/* ============================================
   PREMIUM PORTFOLIO - MODERN THEME
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Syne:wght@400;500;600;700;800&display=swap');

:root {
    /* Primary Theme */
    --primary: #1a1a2e;
    --primary-dark: #0f0f1a;
    --accent: #6c63ff;
    --accent-light: #a29bfe;
    --accent-secondary: #00cec9;
    
    /* Gradients */
    --gradient: linear-gradient(135deg, #FFB646 0%, #FF9330 100%);
    --gradient-dark: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    --gradient-text: linear-gradient(135deg, #FFB646 0%, #FF9330 100%);
    
    /* Neutrals */
    --dark: #1a1a2e;
    --dark-light: #2d2d44;
    --gray: #8b8b9e;
    --gray-light: #c4c4d4;
    --light: #f8f9fc;
    --white: #ffffff;
    
    /* Shadows */
    --shadow: 0 10px 40px rgba(108, 99, 255, 0.1);
    --shadow-lg: 0 20px 60px rgba(108, 99, 255, 0.15);
    --shadow-glow: 0 0 40px rgba(108, 99, 255, 0.2);
    
    /* Spacing */
    --radius: 16px;
    --radius-sm: 8px;
    --radius-lg: 24px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html, body {
    max-width: 100%;
    overflow-x: hidden;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--dark);
    background:#FFE9D9;
    line-height: 1.7;
    overflow-x: hidden;
    margin: 0;
    padding: 0;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Syne', sans-serif;
    font-weight: 700;
    line-height: 1.2;
    color: var(--primary);
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; }
button { font-family: inherit; cursor: pointer; border: none; outline: none; }

.container { 
    max-width: 1200px; 
    margin: 0 auto; 
    padding: 0 24px; 
    width: 100%;
}

.section { 
    padding: 60px 0; 
    width: 100%;
}

.section .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    width: 100%;
}

.gradient-text {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Preloader */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
    overflow: visible;
}

.preloader.hide { opacity: 0; visibility: hidden; }

.loader-content { 
    text-align: center;
    width: 100%;
    max-width: 400px;
    padding: 0 20px;
    overflow: visible;
}

.loader-logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 35px;
    font-size: 48px;
    font-weight: 800;
    font-family: 'Syne', sans-serif;
    margin-bottom: 30px;
    color: var(--white);
}

.loader-ring {
    display: block;
    width: 80px;
    height: 80px;
    border: 3px solid transparent;
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.loader-text {
    display: block;
    font-size: 24px;
    font-weight: 700;
    letter-spacing: 2px;
    white-space: nowrap;
    color: var(--white);
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loader-logo span:nth-child(2) { animation-delay: 0.1s; color: var(--accent-light); }
.loader-logo span:nth-child(3) { animation-delay: 0.2s; color: var(--accent-secondary); }

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.loader-bar {
    width: 200px;
    height: 4px;
    background: var(--light);
    border-radius: 2px;
    overflow: hidden;
}

.loader-progress {
    width: 0;
    height: 100%;
    background: var(--gradient);
    animation: load 2s ease forwards;
}

@keyframes load { to { width: 100%; } }

/* Glassmorphism */
.glass {
    background: rgba(255, 255, 255, 0.1) !important;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 52px;
    left: 0;
    width: 100%;
    padding: 20px 0;
    z-index: 1000;
    background: transparent;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.9) !important;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: var(--shadow);
    padding: 15px 0;
    border-bottom: 1px solid rgba(108, 99, 255, 0.1);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    width: 100%;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: 'Syne', sans-serif;
    font-weight: 700;
    margin-right:10px;
    font-size: 22px;
    color: var(--primary);
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 18px;
    box-shadow: 0 4px 15px rgba(108, 99, 255, 0.3);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 25px;
}

.nav-links .nav-cta {
    display: inline-flex;
    margin: 0;
}

.nav-link {
    font-weight: 500;
    color: var(--dark);
    position: relative;
    padding: 8px 0;
    transition: all 0.3s ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient);
    transition: width 0.3s ease;
}

.nav-link:hover, .nav-link.active {
    color: var(--accent);
}

.nav-link:hover::after, .nav-link.active::after {
    width: 100%;
}

.nav-cta {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 20px;
    background: var(--gradient);
    color: white;
    border-radius: 50px;
    font-size: 13px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(108, 99, 255, 0.3);
}

.nav-cta:hover { 
    transform: translateY(-2px); 
    box-shadow: var(--shadow-lg);
}

.mobile-menu-btn { display: none; flex-direction: column; gap: 5px; background: transparent; padding: 8px; align-self: center; }
.mobile-menu-btn span { width: 24px; height: 2px; background: var(--primary); border-radius: 2px; }

/* Hero Section */
.hero {
    min-height: 100vh;
    display: block;
    position: relative;
    padding: 130px 0 40px;
    background: linear-gradient(135deg, #f8f9fc 0%, #eef0ff 100%);
    overflow: hidden;
}

.hero-bg { position: absolute; inset: 0; overflow: hidden; z-index: 0; }

.hero-content {
    position: relative;
    z-index: 5;
}

.grid-pattern {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(108, 99, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(108, 99, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 40%, transparent 100%);
}

.hero .container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.hero-grid {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 60px;
    position: relative;
    z-index: 1;
    width: 100%;
}

.hero-content {
    flex: 1;
}

.hero-visual {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image-wrapper {
    position: relative;
    width: 350px;
    height: 350px;
}

.hero-image-bg {
    position: absolute;
    inset: -20px;
    background: var(--gradient);
    border-radius: 50%;
    opacity: 0.2;
    filter: blur(40px);
}

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    position: relative;
    z-index: 1;
    box-shadow: var(--shadow-lg);
}

.hero-image-border {
    position: absolute;
    inset: -3px;
    background: var(--gradient);
    border-radius: 50%;
    z-index: 0;
}

.hero-image-wrapper .floating-badge {
    position: absolute;
    z-index: 2;
    background: white;
    padding: 12px 18px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 600;
    color: var(--primary);
    animation: float-badge 3s ease-in-out infinite;
}

.hero-image-wrapper .floating-badge i {
    color: var(--accent);
    font-size: 16px;
}

.hero-image-wrapper .badge-1 {
    top: 20px;
    right: -30px;
    animation-delay: 0s;
}

.hero-image-wrapper .badge-2 {
    bottom: 80px;
    left: -30px;
    animation-delay: 0.5s;
}

.hero-image-wrapper .badge-3 {
    bottom: 20px;
    right: -20px;
    animation-delay: 1s;
}

@keyframes float-badge {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.grid-pattern {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(108, 99, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(108, 99, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 40%, transparent 100%);
}

.hero-shapes .shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
}

.hero-shapes .shape-1 {
    width: 500px; height: 500px;
    background: radial-gradient(circle, rgba(108, 99, 255, 0.2) 0%, transparent 70%);
    top: -150px; right: -100px;
    animation: float 8s ease-in-out infinite;
}

.hero-shapes .shape-2 {
    width: 400px; height: 400px;
    background: radial-gradient(circle, rgba(0, 206, 201, 0.15) 0%, transparent 70%);
    bottom: -100px; left: -100px;
    animation: float 10s ease-in-out infinite reverse;
}

.hero-shapes .shape-3 {
    width: 200px; height: 200px;
    background: radial-gradient(circle, rgba(108, 99, 255, 0.12) 0%, transparent 70%);
    top: 40%; left: 40%;
    animation: float 6s ease-in-out infinite;
}

.hero-shapes .shape-4 {
    width: 150px; height: 150px;
    background: radial-gradient(circle, rgba(162, 155, 254, 0.15) 0%, transparent 70%);
    bottom: 20%; right: 20%;
    animation: float 7s ease-in-out infinite;
}

.hero-shapes .shape-5 {
    width: 100px; height: 100px;
    background: radial-gradient(circle, rgba(0, 206, 201, 0.1) 0%, transparent 70%);
    top: 20%; left: 10%;
    animation: float 5s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(20px, -20px); }
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(108, 99, 255, 0.1);
    padding: 10px 18px;
    border-radius: 30px;
    font-size: 14px;
    font-weight: 600;
    color: var(--accent);
    margin-top: 30px;
    position: relative;
    z-index: 10;
}

.hero-badge span:not(.badge-dot):not(.badge-pulse) {
    color: var(--accent);
    position: relative;
    z-index: 10;
}

.badge-dot {
    width: 8px; height: 8px;
    background: var(--accent-secondary);
    border-radius: 50%;
    animation: pulse 1.5s infinite;
}

@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.5; } }

.hero-title {
    font-size: 52px;
    line-height: 1.2;
    margin-bottom: 16px;
}

.hero-name {
    color: var(--primary);
    display: block;
    white-space: nowrap;
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 36px;
        text-align: center;
    }
    .hero-name {
        font-size: 32px;
    }
    .hero {
        overflow-x: visible !important;
    }
}

@media (max-width: 576px) {
    .hero-title {
        font-size: 28px;
    }
    .hero-name {
        font-size: 26px;
    }
    .hero-role {
        flex-direction: column;
        text-align: center;
        gap: 8px;
    }
    .hero-role span {
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-name {
        font-size: 24px;
    }
}

@media (max-width: 375px) {
    .hero-name {
        font-size: 20px;
    }
}

.hero-role {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 18px;
    color: #000;
    margin-bottom: 20px;
}

.role-icon {
    width: 36px; height: 36px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 14px;
}

.hero-desc {
    font-size: 17px;
    color: #000;
    margin-bottom: 32px;
    line-height: 1.8;
}

.hero-cta { display: flex; gap: 16px; margin-bottom: 40px; }

.hero-stats {
    display: flex;
    gap: 32px;
    padding: 24px;
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.stat-item { text-align: center; }
.stat-num {
    display: block;
    font-size: 32px;
    font-weight: 700;
    color: var(--primary);
    font-family: 'Syne', sans-serif;
}
.stat-label { font-size: 13px; color: var(--gray); }

/* Hero Visual */
.hero-visual { 
    display: flex; 
    justify-content: center; 
    align-items: center; 
}

.profile-container { 
    position: relative; 
    width: 320px;
    height: 320px;
}

.profile-bg-circle {
    width: 300px; height: 300px;
    background: var(--gradient);
    border-radius: 50%;
    opacity: 0.1;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.profile-main {
    position: relative;
    z-index: 1;
}

.avatar {
    width: 160px; height: 160px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 40px;
    font-weight: 700;
    color: white;
    box-shadow: var(--shadow-lg);
}

.floating-badge {
    position: absolute;
    background: var(--white);
    padding: 12px 16px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 600;
    color: var(--primary);
}

.floating-badge i { color: var(--accent); font-size: 16px; }

.badge-1 { top: 10px; right: -15px; }
.badge-2 { bottom: 40px; left: -25px; }
.badge-3 { bottom: 0; right: -10px; }
.badge-4 { top: 40%; right: -30px; }

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: var(--gray);
}

.mouse {
    width: 26px; height: 40px;
    border: 2px solid var(--gray);
    border-radius: 20px;
    margin: 0 auto 10px;
    position: relative;
}

.wheel {
    width: 4px; height: 8px;
    background: var(--accent);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 1.5s infinite;
}

@keyframes scroll {
    0% { opacity: 1; transform: translateX(-50%) translateY(0); }
    100% { opacity: 0; transform: translateX(-50%) translateY(15px); }
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    border-radius: 50px;
    font-size: 15px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-primary {
    background: var(--gradient);
    color: white;
    box-shadow: 0 10px 30px rgba(108, 99, 255, 0.3);
}

.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 15px 40px rgba(108, 99, 255, 0.4); }

.btn-secondary {
    background: var(--white);
    color: var(--primary);
    border: 2px solid var(--accent);
}

.btn-secondary:hover { background: var(--accent); color: white; }

/* Page Hero */
.page-hero {
    padding: 100px 0 60px;
    text-align: center;
    position: relative;
    background: linear-gradient(135deg, #f8f9fc 0%, #eef0ff 100%);
    width: 100%;
    margin-top: 132px;
}

.page-hero .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    width: 100%;
}

.page-tag {
    display: inline-block;
    background: rgba(108, 99, 255, 0.1);
    color: var(--accent);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 16px;
}

.page-hero h1 { font-size: 48px; margin-bottom: 12px; }
.page-hero p { font-size: 18px; color: var(--gray); }

/* Section Headers */
.section-header { text-align: center; margin-bottom: 30px; }
.section-header.left { text-align: left; }

.section-tag {
    display: inline-block;
    color: var(--accent);
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 12px;
}

.section-header h2 { font-size: 36px; color: var(--primary); }

/* Services Section */
.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.service-card {
    background: var(--white);
    padding: 32px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    text-align: center;
    transition: all 0.3s ease;
}

.service-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }

.service-icon {
    width: 60px; height: 60px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.service-icon i { font-size: 24px; color: white; }

.service-card h3 { font-size: 18px; margin-bottom: 12px; }
.service-card p { font-size: 14px; color: var(--gray); margin-bottom: 16px; }

.service-bar {
    height: 6px;
    background: var(--light);
    border-radius: 3px;
    overflow: hidden;
}

.bar-fill {
    height: 100%;
    background: var(--gradient);
    border-radius: 3px;
    width: 0;
    transition: width 1s ease;
}

/* Quick Links */
.quick-links { padding: 60px 0; background: var(--light); }

.links-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.link-card {
    background: var(--white);
    padding: 32px;
    border-radius: var(--radius);
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.link-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }

.link-icon {
    width: 60px; height: 60px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.link-icon i { font-size: 24px; color: white; }

.link-card h3 { font-size: 18px; margin-bottom: 8px; }
.link-card p { font-size: 14px; color: var(--gray); }

.link-arrow {
    position: absolute;
    bottom: 16px;
    right: 16px;
    color: var(--accent);
    opacity: 0;
    transform: translateX(-10px);
    transition: all 0.3s ease;
}

.link-card:hover .link-arrow { opacity: 1; transform: translateX(0); }

/* Featured Publication */
.featured-wrapper {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 50px;
    box-shadow: var(--shadow-lg);
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 40px;
    align-items: center;
}

.featured-badge {
    background: var(--gradient);
    color: white;
    padding: 12px 20px;
    border-radius: 30px;
    font-size: 14px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.featured-journal {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.featured-journal span:first-child { font-size: 14px; font-weight: 600; color: var(--accent); }
.pub-if { font-size: 13px; color: var(--gray); }

.featured-wrapper h2 { font-size: 24px; margin-bottom: 12px; }
.featured-wrapper p { color: var(--gray); margin-bottom: 24px; }

.journal-badge {
    background: var(--light);
    padding: 30px;
    border-radius: var(--radius);
    text-align: center;
}

.journal-icon { font-size: 48px; color: var(--accent); display: block; margin-bottom: 12px; }
.journal-name { font-size: 16px; font-weight: 600; color: var(--primary); }

/* CTA Section */
.cta-section {
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.cta-bg {
    position: absolute;
    inset: 0;
    background: var(--gradient);
}

.cta-content { position: relative; text-align: center; color: white; }
.cta-content h2 { font-size: 36px; color: white; margin-bottom: 12px; }
.cta-content p { font-size: 18px; opacity: 0.9; margin-bottom: 24px; }

.cta-buttons { display: flex; justify-content: center; gap: 16px; }

.btn-white { background: white; color: var(--primary); }
.btn-white:hover { transform: translateY(-3px); }

.btn-outline-white {
    background: transparent;
    color: white;
    border: 2px solid white;
    padding: 14px 28px;
    border-radius: 50px;
    font-size: 15px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-outline-white:hover { background: white; color: var(--primary); }

/* About Section */
.about-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 60px;
    align-items: center;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
}

.about-image { 
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.about-content {
    width: 100%;
}

.image-wrapper { 
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.image-bg {
    display: none;
}

.avatar-large {
    display: none;
}

.profile-img {
    width: 300px;
    height: 300px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--accent);
    box-shadow: 0 10px 30px rgba(108,99,255,0.2);
    transition: transform 0.4s ease;
}

.profile-img:hover {
    transform: scale(1.02);
}

.image-decoration {
    display: none;
}

.inside-audio {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    width: 100%;
}

.audio-bio-pro {
    text-align: center;
}

.audio-bio-pro .subtitle {
    font-size: 14px;
    margin-bottom: 10px;
    color: var(--accent);
}

.audio-card {
    background: rgba(255,255,255,0.8);
    padding: 12px 20px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    max-width: 350px;
}

.audio-card .icon {
    font-size: 24px;
}

.audio-card h4 {
    font-size: 14px;
    margin: 0;
    min-width: 50px;
}

.audio-card audio {
    height: 30px;
    width: 180px;
}

.about-content .section-tag { 
    text-align: left; 
    display: inline-block;
    background: linear-gradient(135deg, rgba(108,99,255,0.1), rgba(0,206,201,0.1));
    padding: 8px 18px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    color: var(--accent);
    margin-bottom: 16px;
}

.about-content h2 { 
    font-size: 32px; 
    text-align: left; 
    margin-bottom: 20px;
    line-height: 1.3;
}

.about-lead { 
    font-size: 17px; 
    font-weight: 500; 
    color: var(--dark); 
    margin-bottom: 24px; 
    line-height: 1.8;
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(0,0,0,0.08);
}

.about-content p { 
    color: #000; 
    margin-bottom: 18px; 
    line-height: 1.9; 
    font-size: 15px; 
    text-align: justify;
}
.about-content strong { color: var(--accent); }

.about-tags { 
    display: flex; 
    flex-wrap: wrap; 
    gap: 10px; 
    margin: 25px 0; 
}

.tag {
    background: linear-gradient(135deg, rgba(108,99,255,0.1), rgba(0,206,201,0.1));
    color: var(--accent);
    padding: 10px 20px;
    border-radius: 25px;
    font-size: 13px;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 1px solid rgba(108,99,255,0.15);
}

.tag:hover { 
    background: var(--gradient); 
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(108,99,255,0.3);
}

.about-actions { 
    display: flex; 
    gap: 15px; 
    margin-top: 30px; 
    padding-top: 20px;
}

.about-full-content {
    margin-top: 50px;
    padding-top: 40px;
    border-top: 1px solid rgba(0,0,0,0.08);
}

.about-full-content p {
    color: #000;
    margin-bottom: 18px;
    line-height: 1.9;
    font-size: 15px;
    text-align: justify;
}

.about-full-content strong {
    color: var(--accent);
}

/* Skills Section */
.skills-wrapper {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-bottom: 50px;
}

.skill-category {
    background: var(--white);
    padding: 30px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.category-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
}

.category-icon {
    width: 48px; height: 48px;
    background: var(--gradient);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.category-icon i { font-size: 20px; color: white; }
.category-header h3 { font-size: 18px; }

.skill-list { display: flex; flex-direction: column; gap: 20px; }

.skill-item {}

.skill-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
}

.skill-name { font-size: 14px; font-weight: 500; color: var(--dark); }
.skill-percent { font-size: 14px; font-weight: 600; color: var(--accent); }

.skill-bar {
    height: 8px;
    background: var(--light);
    border-radius: 4px;
    overflow: hidden;
}

/* Soft Skills */
.soft-skills { text-align: center; }

.soft-tags { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }

.soft-tag {
    background: var(--white);
    padding: 12px 24px;
    border-radius: 30px;
    font-size: 14px;
    font-weight: 500;
    border: 1px solid var(--gray-light);
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
}

.soft-tag:hover { border-color: var(--accent); color: var(--accent); }
.soft-tag i { color: var(--accent); }

/* Languages Section - About Page */
.languages-section-about {
    margin-top: 60px;
}

.languages-grid-about {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
    margin-top: 30px;
}

.language-card {
    background: var(--white);
    padding: 25px 20px;
    border-radius: var(--radius);
    text-align: center;
    box-shadow: var(--shadow);
    border: 1px solid rgba(0,0,0,0.05);
    transition: all 0.3s ease;
}

.language-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.language-card i {
    font-size: 28px;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 12px;
    display: block;
}

.language-card h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 8px;
}

.lang-proficiency {
    font-size: 12px;
    color: var(--gray);
    line-height: 1.4;
}

/* Education Section */
.education-section {
    margin-top: 60px;
}

.education-timeline {
    position: relative;
    margin-top: 30px;
    padding-left: 35px;
}

.education-timeline::before {
    content: '';
    position: absolute;
    left: 8px;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, var(--accent) 0%, var(--accent-secondary) 100%);
    border-radius: 3px;
}

.edu-timeline-item {
    position: relative;
    padding-bottom: 35px;
}

.edu-timeline-item:last-child {
    padding-bottom: 0;
}

.edu-timeline-marker {
    position: absolute;
    left: -31px;
    top: 5px;
    width: 18px;
    height: 18px;
    background: var(--white);
    border: 3px solid var(--accent);
    border-radius: 50%;
    box-shadow: 0 0 0 4px rgba(108, 99, 255, 0.15);
}

.edu-timeline-content {
    background: var(--white);
    padding: 25px 28px;
     margin-inline-end:15px;
    border-radius: 16px;
    box-shadow: 0 5px 25px rgba(0,0,0,0.06);
    border: 1px solid rgba(0,0,0,0.04);
    transition: all 0.3s ease;
}

.edu-timeline-content:hover {
    transform: translateX(8px);
    box-shadow: 0 8px 30px rgba(108, 99, 255, 0.12);
}

.edu-year {
    display: inline-block;
    background: #000;
    color: #fff;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 14px;
    letter-spacing: 0.5px;
}

.edu-timeline-content h3 {
    font-size: 19px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 10px;
}

.edu-institution {
    font-size: 14px;
    color: #000;
    margin-bottom: 10px;
    line-height: 1.6;
}

.edu-institution a {
    color: var(--accent);
    text-decoration: none;
    transition: all 0.3s ease;
}

.edu-institution a:hover {
    color: var(--accent-secondary);
    text-decoration: underline;
}

.edu-grade {
    display: inline-block;
    background: linear-gradient(135deg, rgba(108,99,255,0.1), rgba(0,206,201,0.1));
    color: var(--accent);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    border: 1px solid rgba(108, 99, 255, 0.15);
}

/* Certifications Full Section */
.certifications-full-section {
    margin-top: 60px;
}

.cert-list-full {
    margin-top: 30px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.cert-item-full {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    background: var(--white);
    padding: 20px 25px;
    margin-inline:20px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid rgba(0,0,0,0.05);
    transition: all 0.3s ease;
}

.cert-item-full:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-lg);
}

.cert-item-full i {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient);
    border-radius: 12px;
    font-size: 20px;
    color: white;
    flex-shrink: 0;
}

.cert-info-full h4 {
    font-size: 15px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 6px;
}

.cert-info-full p {
    font-size: 13px;
    color: #000;
    line-height: 1.5;
    margin: 0;
}

.cert-info-full p a {
    color: var(--accent);
    text-decoration: none;
    transition: all 0.3s ease;
}

.cert-info-full p a:hover {
    color: var(--accent-secondary);
    text-decoration: underline;
}

/* Skills Section */
.skills-section {
    margin-top: 60px;
}

.skills-wrapper {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-top: 30px;
}

.skill-category {
    background: var(--white);
    padding: 30px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    border: 1px solid rgba(0,0,0,0.05);
}

.category-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 25px;
}

.category-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient);
    border-radius: 12px;
    font-size: 22px;
    color: white;
}

.category-header h3 {
    font-size: 18px;
    color: var(--primary);
}

.skill-list {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.skill-item {
    width: 100%;
}

.skill-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
}

.skill-name {
    font-size: 14px;
    color: var(--dark);
    font-weight: 500;
}

.skill-percent {
    font-size: 13px;
    color: var(--accent);
    font-weight: 600;
}

.skill-bar {
    height: 6px;
    background: var(--light);
    border-radius: 3px;
    overflow: hidden;
}

.skill-bar .bar-fill {
    height: 100%;
    background: var(--gradient);
    border-radius: 3px;
    width: 85%;
    transition: width 1s ease;
}

/* Interests */
.interests-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.interest-card {
    background: var(--white);
    padding: 32px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    text-align: center;
    transition: all 0.3s ease;
}

.interest-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }

.interest-icon {
    width: 60px; height: 60px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.interest-icon i { font-size: 24px; color: white; }
.interest-card h3 { font-size: 16px; margin-bottom: 8px; }
.interest-card p { font-size: 14px; color: #000; }

/* Experience Timeline */
.experience-layout {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 50px;
}

.timeline { position: relative; padding-left: 30px; }
.timeline::before {
    content: '';
    position: absolute;
    left: 0; top: 0; bottom: 0;
    width: 3px;
    background: var(--gradient);
    border-radius: 2px;
}

.timeline-item { position: relative; margin-bottom: 24px; padding-left: 30px; }

.timeline-marker {
    position: absolute;
    left: 0;
    top: 24px;
    width: 14px; height: 14px;
    background: white;
    border: 3px solid var(--accent);
    border-radius: 50%;
    z-index: 1;
}

.timeline-item.current .timeline-marker { 
    background: var(--accent); 
    width: 18px; height: 18px;
    left: -2px;
}

.marker-pulse {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: 30px; height: 30px;
    background: rgba(108, 99, 255, 0.2);
    border-radius: 50%;
    animation: pulse-ring 1.5s infinite;
}

@keyframes pulse-ring {
    0% { transform: translate(-50%, -50%) scale(0.8); opacity: 1; }
    100% { transform: translate(-50%, -50%) scale(2); opacity: 0; }
}

.timeline-card {
    background: var(--white);
    padding: 24px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.timeline-content {
    background: var(--white);
    padding: 24px;
    border-radius: var(--radius-lg);
    box-shadow: 0 10px 40px rgba(0,0,0,0.06);
    border: 1px solid rgba(108, 99, 255, 0.1);
    margin-left: 20px;
    position: relative;
    transition: all 0.3s ease;
}

.timeline-content:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 50px rgba(108, 99, 255, 0.15);
    border-color: rgba(108, 99, 255, 0.3);
}

.timeline-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; flex-wrap: wrap; gap: 8px; }

.timeline-date { font-size: 14px; font-weight: 600; color: var(--accent); }

.timeline-badge {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
    color: white;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.timeline-content h3 { font-size: 20px; margin-bottom: 8px; color: var(--primary); }

.timeline-org {
    font-size: 14px;
    color: var(--accent);
    font-weight: 500;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.timeline-desc { font-size: 15px; color: #000; line-height: 1.7; }

/* Experience Logo Header */
.exp-logo-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
}

.exp-logo {
    width: 80px;
    height: 80px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #f8f9fc 0%, #eef0ff 100%);
    border: 2px solid rgba(108, 99, 255, 0.15);
    overflow: hidden;
    flex-shrink: 0;
}

.exp-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 6px;
}

.exp-logo i {
    font-size: 24px;
    color: var(--accent);
}

.exp-title-section {
    flex: 1;
}

.exp-title-section h3 {
    font-size: 18px;
    margin-bottom: 6px;
    color: var(--primary);
}

/* Main Experience Section */
.main-experience {
    background: var(--white);
}

/* Remove timeline tags if exists */
.timeline-tags { display: none; }

/* Overlapping Experience Section */
.exp-summary-section {
    background: linear-gradient(135deg, #f8f9fc 0%, #eef0ff 100%);
}

.overlap-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 20px;
}

.overlap-card {
    background: var(--white);
    padding: 30px 20px;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: 0 10px 40px rgba(0,0,0,0.06);
    border: 1px solid rgba(108, 99, 255, 0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.overlap-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient);
}

.overlap-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 60px rgba(108, 99, 255, 0.15);
}

.overlap-icon {
    width: 50px;
    height: 50px;
    background: rgba(108, 99, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
    font-size: 22px;
    color: var(--accent);
}

.overlap-count {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 5px;
    font-family: 'Syne', sans-serif;
}

.overlap-label {
    font-size: 14px;
    color: #000;
    font-weight: 500;
}

.overlap-note {
    text-align: center;
    font-size: 14px;
    color: #000;
    font-style: italic;
    padding: 15px;
    background: rgba(108, 99, 255, 0.1);
    border-radius: var(--radius);
}

/* Timeline Container */
.timeline-container {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
}

.timeline-container::before {
    content: '';
    position: absolute;
    left: 5px;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, var(--accent) 0%, var(--accent-light) 100%);
    border-radius: 3px;
}

.timeline-tags { display: none; }

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.timeline-tags span {
    background: var(--light);
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    color: #000;
}

/* Sidebar */
.sidebar { display: flex; flex-direction: column; gap: 24px; }

.sidebar-card {
    background: var(--white);
    padding: 24px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.sidebar-card h3 {
    font-size: 16px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.sidebar-card h3 i { color: var(--accent); }

.edu-list { display: flex; flex-direction: column; gap: 16px; }

.edu-item {
    padding: 16px;
    background: var(--light);
    border-radius: var(--radius-sm);
}

.edu-item.featured { background: var(--gradient); color: white; }

.edu-item .edu-year { font-size: 12px; font-weight: 600; color: var(--accent); display: block; }
.edu-item.featured .edu-year { color: rgba(255,255,255,0.8); }
.edu-degree { font-size: 15px; font-weight: 600; display: block; margin: 4px 0; }
.edu-school { font-size: 13px; color: #000; }
.edu-item.featured .edu-school { color: rgba(255,255,255,0.9); }

/* Awards Card */
.awards-card { background: var(--gradient); color: white; }

.awards-card h3 { color: white; }
.awards-card h3 i { color: white; }

.award-list { display: flex; flex-direction: column; gap: 16px; }

.award-item {
    display: flex;
    gap: 16px;
    padding: 16px;
    background: rgba(255,255,255,0.15);
    border-radius: var(--radius-sm);
}

.award-item.gold { background: linear-gradient(135deg, #FFD700, #FFA500); }

.award-icon {
    width: 44px; height: 44px;
    background: rgba(255,255,255,0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.award-icon i { font-size: 18px; }
.award-info h4 { font-size: 14px; font-weight: 600; margin-bottom: 2px; }
.award-info p { font-size: 12px; opacity: 0.9; }

.cert-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 0;
    border-bottom: 1px solid var(--light);
    font-size: 14px;
    color: #000;
}

.cert-list li:last-child { border-bottom: none; }
.cert-list li i { color: var(--accent); }

/* Publications Stats */
.pub-stats-section { background: var(--gradient); padding: 50px 0; }

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    text-align: center;
}

.stat-card { color: white; }
.stat-card .stat-num { color: white; font-size: 36px; }
.stat-card .stat-label { font-size: 14px; opacity: 0.9; }

/* Publications Grid */
.pub-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.pub-card {
    background: var(--white);
    padding: 28px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    position: relative;
}

.pub-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }

.pub-card.featured { border: 2px solid var(--accent); }
.pub-card.editor { border: 2px solid var(--accent-secondary); }

.pub-header { display: flex; justify-content: space-between; margin-bottom: 12px; }

.pub-journal { font-size: 12px; font-weight: 600; color: var(--accent); }
.pub-if { font-size: 11px; color: #000; }

.pub-card h3 { font-size: 16px; margin-bottom: 8px; line-height: 1.4; }
.pub-desc { font-size: 13px; color: var(--gray); margin-bottom: 8px; }
.pub-year { font-size: 13px; color: var(--gray); display: block; margin-top: 8px; }

.pub-badge {
    display: inline-block;
    background: var(--accent);
    color: white;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
    margin-top: 12px;
}

.pub-badge.topic { background: var(--accent-secondary); }

.pub-more { text-align: center; margin-top: 30px; font-size: 16px; color: var(--gray); }

/* Books Grid */
.books-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.book-card {
    background: var(--white);
    padding: 32px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    display: flex;
    gap: 24px;
}

.book-icon {
    width: 80px; height: 100px;
    background: var(--gradient);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.book-icon i { font-size: 32px; color: white; }

.book-type { font-size: 13px; color: var(--accent); font-weight: 600; display: block; margin-bottom: 4px; }
.book-card h3 { font-size: 18px; margin-bottom: 8px; }
.book-publisher { font-size: 14px; color:#000; display: block; margin-bottom: 4px; }
.book-isbn { font-size: 13px; color: #000; display: block; margin-bottom: 8px; }
.book-desc { font-size: 14px; color: #000; }

/* Conferences */
.conf-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.conf-card {
    background: var(--white);
    padding: 32px;
    border-radius: var(--radius);
    text-align: center;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

.conf-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.conf-card.gold { background: linear-gradient(135deg, #FFD700, #FFA500); color: white; }

.conf-icon {
    width: 60px; height: 60px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.conf-card.gold .conf-icon { background: rgba(255,255,255,0.2); }
.conf-icon i { font-size: 24px; color: white; }

.conf-card h3 { font-size: 16px; margin-bottom: 8px; }
.conf-card.gold h3 { color: white; }
.conf-event { font-size: 14px; font-weight: 600; color: var(--dark); }
.conf-card.gold .conf-event { color: white; }
.conf-location { font-size: 13px; color: var(--gray); }
.conf-card.gold .conf-location { color: rgba(255,255,255,0.8); }

/* Video */
.video-wrapper {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    max-width: 800px;
    margin: 0 auto;
}

.video-wrapper iframe {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
}

/* Contact Section */
.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 50px;
}

.contact-intro {
    font-size: 16px;
    color: #000;
    margin-bottom: 30px;
    line-height: 1.8;
}

.contact-cards { display: flex; flex-direction: column; gap: 16px; }

.contact-card {
    display: flex;
    gap: 20px;
    padding: 24px;
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

.contact-card:hover { transform: translateX(10px); }

.card-icon {
    width: 56px; height: 56px;
    background: var(--gradient);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.card-icon i { font-size: 22px; color: white; }
.card-content h4 { font-size: 16px; margin-bottom: 4px; }
.card-content a, .card-content p { font-size: 14px; color: var(--gray); }
.card-content a:hover { color: var(--accent); }

/* Social Links */
.social-section { margin-top: 30px; }
.social-section h3 { font-size: 18px; margin-bottom: 20px; }

.social-links { display: flex; flex-direction: column; gap: 12px; }

.social-link {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

.social-link:hover { transform: translateX(10px); }

.link-icon {
    width: 48px; height: 48px;
    background: var(--light);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.social-link.linkedin:hover .link-icon { background: #0077b5; color: white; }
.social-link.orcid:hover .link-icon { background: #a6ce39; color: white; }
.social-link.scopus:hover .link-icon { background: #f68c1f; color: white; }
.social-link.frontiers:hover .link-icon { background: #0070f3; color: white; }
.social-link.youtube:hover .link-icon { background: #ff0000; color: white; }

.link-icon i { color: var(--primary); }
.social-link:hover .link-icon i { color: white; }

.link-text span { display: block; font-size: 15px; font-weight: 600; color: var(--primary); }
.link-text small { font-size: 12px; color: var(--gray); }

/* Contact Form */
.form-card {
    background: var(--white);
    padding: 40px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.form-header { margin-bottom: 30px; }
.form-header h3 { font-size: 22px; margin-bottom: 8px; }
.form-header p { font-size: 14px; color: var(--gray); }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }

.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 8px; color: var(--dark); }

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid var(--light);
    border-radius: var(--radius-sm);
    font-size: 15px;
    transition: all 0.3s ease;
    background: var(--light);
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--accent);
    background: white;
}

.form-group textarea { resize: vertical; min-height: 120px; }

.btn-full { width: 100%; justify-content: center; }

/* References */
.ref-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.ref-card {
    background: var(--white);
    padding: 32px;
    border-radius: var(--radius);
    text-align: center;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

.ref-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }

.ref-avatar {
    width: 70px; height: 70px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
    color: white;
    margin: 0 auto 16px;
}

.ref-info h4 { font-size: 16px; margin-bottom: 4px; }
.ref-role { font-size: 13px; color: var(--gray); }
.ref-org { font-size: 13px; color: var(--accent); font-weight: 500; margin-bottom: 12px; }

.ref-contact { display: flex; flex-direction: column; gap: 8px; }
.ref-contact a {
    font-size: 13px;
    color: var(--gray);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.ref-contact a:hover { color: var(--accent); }

/* Footer */
.footer { 
    background: var(--primary); 
    color: white; 
    padding: 60px 0 20px; 
    width: 100%;
}

.footer .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    width: 100%;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand .logo { color: white; margin-bottom: 16px; }
.footer-brand .logo-icon { background: rgba(255,255,255,0.2); }
.footer-brand p { font-size: 14px; opacity: 0.8; }

.footer-social { display: flex; gap: 12px; margin-top: 20px; }
.footer-social a {
    width: 40px; height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.1);
    border-radius: 10px;
    color: white;
    transition: all 0.3s ease;
}

.footer-social a:hover { background: var(--accent); transform: translateY(-3px); }

.footer h4 { color: white; font-size: 16px; margin-bottom: 20px; }

.footer-links ul,
.footer-contact ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a,
.footer-contact li {
    font-size: 14px;
    opacity: 0.8;
    transition: all 0.3s ease;
}

.footer-links a:hover { opacity: 1; color: var(--accent-light); }
.footer-contact li i { margin-right: 8px; }

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.footer-bottom p { font-size: 13px; opacity: 0.6; }

/* Back to Top */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px; height: 50px;
    background: var(--gradient);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    box-shadow: var(--shadow);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
}

.back-to-top.visible { opacity: 1; visibility: visible; }
.back-to-top:hover { transform: translateY(-3px); }

/* Responsive */
@media (max-width: 1024px) {
    .hero-grid { 
        flex-direction: column; 
        text-align: center; 
    }
    .hero h1 { font-size: 42px; }
    .hero-cta { justify-content: center; }
    .hero-stats { justify-content: center; }
    .hero-visual { 
        margin-top: 40px;
    }
    .hero-image-wrapper {
        width: 280px;
        height: 320px;
    }
    .hero-image-wrapper .floating-badge {
        padding: 8px 12px;
        font-size: 11px;
    }
    .hero-image-wrapper .badge-1 { right: -15px; }
    .hero-image-wrapper .badge-2 { left: -15px; bottom: 60px; }
    .hero-image-wrapper .badge-3 { right: -10px; bottom: 10px; }
    .hero-content {
        flex: none;
        width: 100%;
    }
}

/* ============================================
   WORKSHOPS SECTION
   ============================================ */

.workshops-section {
    background: var(--light);
}

.workshops-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
}

.workshop-card {
    background: white;
    padding: 25px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    border-left: 4px solid var(--accent);
}

.workshop-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.workshop-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 15px;
}

.workshop-card-header i {
    font-size: 28px;
    color: var(--accent);
}

.workshop-badge {
    background: var(--gradient);
    color: white;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
}

.workshop-badge.corona {
    background: linear-gradient(135deg, #00cec9, #0984e3);
}

.workshop-card h3 {
    font-size: 15px;
    margin-bottom: 10px;
    color: var(--dark);
    line-height: 1.4;
}

.workshop-org {
    font-size: 13px;
    color: var(--accent);
    font-weight: 600;
    margin-bottom: 8px;
}

.workshop-desc {
    font-size: 13px;
    color: #000;
    line-height: 1.6;
    margin-bottom: 12px;
}

.workshop-date {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: #000;
    padding-top: 10px;
    border-top: 1px solid var(--light);
}

.workshop-date i {
    color: var(--accent);
}

@media (max-width: 768px) {
    .workshops-grid {
        grid-template-columns: 1fr;
    }
    
    .workshop-card h3 {
        font-size: 14px;
    }
    
    .interests-grid {
        grid-template-columns: 1fr;
    }
    
    .cert-tabs {
        flex-direction: column;
    }
    
    .cert-tab {
        width: 100%;
    }
    
    .edu-timeline-marker {
        left: -32px;
    }
}

/* Awards Timeline Section */
.awards-timeline-section {
    background: linear-gradient(180deg, var(--bg) 0%, #f8f9fc 100%);
}

.awards-timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.awards-timeline::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, var(--accent) 0%, var(--accent-light) 100%);
    border-radius: 2px;
}

.awards-timeline .timeline-item {
    position: relative;
    margin-bottom: 30px;
    padding-left: 50px;
}

.awards-timeline .timeline-marker {
    position: absolute;
    left: 8px;
    top: 20px;
    width: 28px;
    height: 28px;
    background: var(--white);
    border: 3px solid var(--accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
    box-shadow: 0 4px 15px rgba(108, 99, 255, 0.2);
}

.awards-timeline .timeline-marker i {
    font-size: 12px;
    color: var(--accent);
}

.awards-timeline .timeline-marker.corona {
    border-color: #00d9a5;
    box-shadow: 0 4px 15px rgba(0, 217, 165, 0.3);
}

.awards-timeline .timeline-marker.corona i {
    color: #00d9a5;
}

.awards-timeline .timeline-content {
    background: var(--white);
    border-radius: 16px;
    padding: 28px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.06);
    border: 1px solid rgba(108, 99, 255, 0.08);
    margin-left: 10px;
    transition: all 0.3s ease;
}

.awards-timeline .timeline-content:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(108, 99, 255, 0.12);
    border-color: rgba(108, 99, 255, 0.2);
}

.award-card-full {
    position: relative;
}

.award-card-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.award-card-header .award-year {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
    color: white;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 700;
}

.award-card-header .award-badge {
    background: rgba(108, 99, 255, 0.1);
    color: var(--accent);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.award-card-header .award-badge.corona {
    background: rgba(0, 217, 165, 0.15);
    color: #00a87d;
}

.award-card-full h3 {
    font-size: 22px;
    color: var(--primary);
    margin-bottom: 8px;
    font-weight: 700;
}

.award-card-full > p {
    font-size: 14px;
    color: #666;
    margin-bottom: 12px;
    font-weight: 500;
}

.award-description {
    font-size: 15px;
    color: #555;
    line-height: 1.7;
    padding-top: 12px;
    border-top: 1px solid rgba(108, 99, 255, 0.1);
}

@media (max-width: 768px) {
    .awards-timeline::before {
        left: 15px;
    }
    
    .awards-timeline .timeline-item {
        padding-left: 40px;
    }
    
    .awards-timeline .timeline-marker {
        left: 3px;
        width: 24px;
        height: 24px;
    }
    
    .awards-timeline .timeline-marker i {
        font-size: 10px;
    }
    
    .awards-timeline .timeline-content {
        padding: 20px;
    }
    
    .award-card-full h3 {
        font-size: 18px;
    }
}

/* Responsive for Education and Certs */
@media (max-width: 768px) {
    .education-section,
    .certifications-full-section {
        padding: 30px 20px;
    }
    
    .cert-tabs {
        justify-content: center;
    }
    
    .cert-tab {
        padding: 10px 16px;
        font-size: 13px;
    }
    
    .edu-timeline-content {
        padding: 15px 20px;
    }
    
    .edu-timeline-content h3 {
        font-size: 16px;
    }
}

/* ============================================
   NEW HOME PAGE DESIGN
   ============================================ */

/* Stats Section */
.stats-section {
    background: var(--gradient);
    padding: 40px 0;
    margin-top: -60px;
    position: relative;
    z-index: 10;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 20px;
}

.stats-section .stat-card {
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(10px);
    padding: 25px 15px;
    border-radius: var(--radius);
    text-align: center;
    transition: all 0.3s ease;
}

.stats-section .stat-card:hover {
    background: rgba(255,255,255,0.25);
    transform: translateY(-5px);
}

.stats-section .stat-icon {
    font-size: 24px;
    color: white;
    margin-bottom: 10px;
}

.stats-section .stat-num {
    display: block;
    font-size: 32px;
    font-weight: 700;
    font-family: 'Syne', sans-serif;
    color: white;
}

.stats-section .stat-label {
    font-size: 12px;
    color: rgba(255,255,255,0.8);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* About Preview Section */
.about-preview {
    background: var(--white);
}

.about-preview-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-preview-content .section-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(108, 99, 255, 0.1);
    color: var(--accent);
    padding: 8px 16px;
    border-radius: 30px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 20px;
}

.about-preview-content h2 {
    font-size: 36px;
    margin-bottom: 25px;
}

.about-preview-content .about-lead {
    font-size: 16px;
    color: #000;
    line-height: 1.8;
    margin-bottom: 20px;
}

.about-preview-content p {
    font-size: 15px;
    color: #000;
    line-height: 1.8;
    margin-bottom: 25px;
}

.about-preview-content .about-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 30px;
}

.about-preview-content .tag {
    background: rgba(108, 99, 255, 0.1);
    color: var(--accent);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
}

.about-preview-card {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    border: 1px solid rgba(108, 99, 255, 0.1);
}

.preview-card-header {
    background: var(--gradient);
    padding: 30px;
    color: white;
    display: flex;
    align-items: center;
    gap: 15px;
}

.preview-card-header i {
    font-size: 32px;
}

.preview-card-header h3 {
    color: white;
    font-size: 18px;
}

.preview-card-content {
    padding: 30px;
}

.preview-card-content h4 {
    font-size: 18px;
    margin-bottom: 10px;
    color: var(--dark);
}

.preview-card-content p {
    font-size: 14px;
    color: #000;
}

.preview-card-footer {
    padding: 20px 30px;
    background: var(--light);
    border-top: 1px solid rgba(108, 99, 255, 0.1);
}

.preview-card-footer span {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 600;
    color: var(--accent);
}

/* Partners Section */
.partners-section {
    background: var(--light);
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 25px;
}

.partner-card {
    background: white;
    padding: 30px 20px;
    border-radius: var(--radius);
    text-align: center;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

.partner-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.partner-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
}

.partner-icon i {
    font-size: 24px;
    color: white;
}

.partner-card h3 {
    font-size: 14px;
    color: var(--dark);
}

/* Experience Preview Section */
.exp-preview-section {
    background: var(--white);
}

.exp-preview-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
}

.exp-card {
    background: white;
    padding: 30px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border-left: 4px solid var(--accent);
    transition: all 0.3s ease;
}

.exp-card:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-lg);
}

.exp-card.current {
    background: var(--gradient);
    color: white;
    border-left: none;
}

.exp-card.current h3, .exp-card.current p {
    color: white;
}

.exp-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.exp-year {
    font-size: 13px;
    font-weight: 600;
    color: var(--accent);
}

.exp-card.current .exp-year {
    color: rgba(255,255,255,0.8);
}

.exp-badge {
    background: white;
    color: var(--accent);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
}

.exp-card h3 {
    font-size: 18px;
    margin-bottom: 8px;
}

.exp-card p {
    font-size: 14px;
    color: #000;
    margin-bottom: 15px;
}

.exp-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.exp-tags span {
    background: rgba(108, 99, 255, 0.1);
    color: var(--accent);
    padding: 4px 12px;
    border-radius: 15px;
    font-size: 12px;
}

.exp-card.current .exp-tags span {
    background: rgba(255,255,255,0.2);
    color: white;
}

/* Expertise Section */
.expertise-section {
    background: var(--light);
}

.expertise-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.expertise-card {
    background: white;
    padding: 35px 30px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    text-align: center;
    transition: all 0.3s ease;
}

.expertise-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.expertise-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.expertise-icon i {
    font-size: 32px;
    color: white;
}

.expertise-card h3 {
    font-size: 18px;
    margin-bottom: 12px;
}

.expertise-card p {
    font-size: 14px;
    color: #000;
    line-height: 1.6;
}

/* Featured Publication */
.featured-pub-section {
    background: var(--white);
}

.featured-pub-card {
    background: var(--gradient);
    padding: 50px;
    border-radius: var(--radius-lg);
    color: white;
    position: relative;
    overflow: hidden;
}

.featured-pub-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 500px;
    height: 500px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
}

.pub-card-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255,255,255,0.2);
    padding: 8px 16px;
    border-radius: 30px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 25px;
}

.pub-card-content {
    position: relative;
    z-index: 1;
}

.pub-journal {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
}

.journal-name {
    font-size: 16px;
    font-weight: 600;
}

.journal-if {
    background: rgba(255,255,255,0.2);
    padding: 4px 12px;
    border-radius: 15px;
    font-size: 12px;
}

.featured-pub-card h2 {
    font-size: 28px;
    color: white;
    margin-bottom: 15px;
}

.featured-pub-card p {
    font-size: 15px;
    opacity: 0.9;
    margin-bottom: 20px;
}

.pub-meta {
    display: flex;
    gap: 25px;
    margin-bottom: 25px;
    flex-wrap: wrap;
}

.pub-meta span {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
}

.featured-pub-card .btn-white {
    background: white;
    color: var(--accent);
}

.featured-pub-card .btn-white:hover {
    background: rgba(255,255,255,0.9);
}

/* Skills Preview Layout */
.skills-preview-layout {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 50px;
}

.skills-lists .section-header {
    margin-bottom: 30px;
}

.skills-lists .section-header.left {
    text-align: left;
}

.skill-category {
    margin-bottom: 25px;
}

.skill-category h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 16px;
    margin-bottom: 15px;
}

.skill-category h3 i {
    color: var(--accent);
}

.skill-category .skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.skill-category .skill-tag {
    background: var(--light);
    color: var(--dark);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.skill-category .skill-tag:hover {
    background: var(--accent);
    color: white;
}

.languages-preview .section-header {
    margin-bottom: 25px;
}

.lang-list {
    background: white;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.lang-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 25px;
    border-bottom: 1px solid var(--light);
    transition: all 0.3s ease;
}

.lang-item:last-child {
    border-bottom: none;
}

.lang-item:hover {
    background: var(--light);
}

.lang-item .lang-name {
    font-size: 15px;
    font-weight: 600;
    color: var(--dark);
}

.lang-item .lang-level {
    font-size: 13px;
    color: var(--accent);
    font-weight: 500;
}

/* Quick Links Section */
.quick-links-section {
    background: var(--light);
    padding: 80px 0;
}

.quick-links-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.quick-link-card {
    background: white;
    padding: 35px 25px;
    border-radius: var(--radius);
    text-align: center;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

.quick-link-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.ql-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.ql-icon i {
    font-size: 28px;
    color: white;
}

.quick-link-card h3 {
    font-size: 18px;
    margin-bottom: 8px;
}

.quick-link-card p {
    font-size: 13px;
    color: #000;
}

/* Responsive */
@media (max-width: 1024px) {
    .stats-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .about-preview-grid {
        grid-template-columns: 1fr;
    }
    
    .partners-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .exp-preview-grid {
        grid-template-columns: 1fr;
    }
    
    .expertise-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .skills-preview-layout {
        grid-template-columns: 1fr;
    }
    
    .quick-links-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .stats-section .stat-num {
        font-size: 24px;
    }
    
    .partners-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .expertise-grid {
        grid-template-columns: 1fr;
    }
    
    .quick-links-grid {
        grid-template-columns: 1fr;
    }
    
    .featured-pub-card {
        padding: 30px;
    }
    
    .featured-pub-card h2 {
        font-size: 22px;
    }
    
    .pub-meta {
        flex-direction: column;
        gap: 10px;
    }
}

/* ============================================
   SIMPLIFIED HOME PAGE
   ============================================ */

.profile-main {
    padding: 40px 0 80px;
    min-height: calc(100vh - 200px);
}

.profile-grid {
    display: grid;
    grid-template-columns: 350px 1fr;
    gap: 60px;
    align-items: start;
}

/* Profile Left */
.profile-left {
    position: sticky;
    top: 100px;
}

.profile-image-wrapper {
    position: relative;
    margin-bottom: 30px;
}

.profile-image {
    width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.profile-image-border {
    position: absolute;
    inset: -10px;
    border: 3px solid var(--accent);
    border-radius: var(--radius-lg);
    z-index: -1;
}

/* Social Links Card */
.social-links-card {
    background: white;
    padding: 25px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.social-links-card h3 {
    font-size: 16px;
    margin-bottom: 20px;
    text-align: center;
}

.social-links-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
}

.social-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 15px;
    background: var(--light);
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.social-btn:hover {
    transform: translateY(-2px);
}

.social-btn i {
    font-size: 16px;
}

.social-btn.linkedin:hover { background: #0077b5; color: white; }
.social-btn.scopus:hover { background: #f68c1f; color: white; }
.social-btn.orcid:hover { background: #a6ce39; color: white; }
.social-btn.scholar:hover { background: #4285f4; color: white; }
.social-btn.frontiers:hover { background: #0070f3; color: white; }
.social-btn.facebook:hover { background: #1877f2; color: white; }
.social-btn.twitter:hover { background: #000; color: white; }
.social-btn.instagram:hover { background: linear-gradient(45deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888); color: white; }

/* Social Profiles Grid - Premium */
.social-links-section {
    background: linear-gradient(180deg, var(--light) 0%, var(--white) 100%);
    padding: 40px 0;
}

.social-profiles-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.social-profile-card {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px 25px;
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    border: 1px solid rgba(0,0,0,0.05);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
}

.social-profile-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--gradient);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.social-profile-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(108, 99, 255, 0.2);
}

.social-profile-card:hover::before {
    opacity: 1;
}

.social-profile-card:hover .social-arrow {
    transform: translateX(5px);
    opacity: 1;
}

.social-profile-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    font-size: 22px;
    color: white;
    flex-shrink: 0;
}

.social-profile-card.linkedin .social-profile-icon { background: linear-gradient(135deg, #0077b5, #00a0dc); }
.social-profile-card.scopus .social-profile-icon { background: linear-gradient(135deg, #f68c1f, #f9a825); }
.social-profile-card.orcid .social-profile-icon { background: linear-gradient(135deg, #a6ce39, #6db33f); }
.social-profile-card.scholar .social-profile-icon { background: linear-gradient(135deg, #4285f4, #34a853); }
.social-profile-card.frontiers .social-profile-icon { background: linear-gradient(135deg, #0070f3, #00b2ff); }
.social-profile-card.facebook .social-profile-icon { background: linear-gradient(135deg, #1877f2, #0d65d9); }
.social-profile-card.twitter .social-profile-icon { background: linear-gradient(135deg, #1a1a1a, #333); }
.social-profile-card.instagram .social-profile-icon { background: linear-gradient(135deg, #f09433, #e6683c, #dc2743, #cc2366); }

.social-profile-info {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.social-name {
    font-family: 'Syne', sans-serif;
    font-weight: 700;
    font-size: 15px;
    color: var(--primary);
}

.social-desc {
    font-size: 12px;
    color: #000;
}

.social-arrow {
    color: var(--accent);
    opacity: 0.5;
    transition: all 0.3s ease;
}

/* Research Interests Cards - Premium */
.interests-section {
    background: var(--white);
    padding: 40px 0;
}

.interests-cards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.interest-card {
    background: white;
    padding: 30px;
    border-radius: var(--radius-lg);
    box-shadow: 0 10px 40px rgba(0,0,0,0.06);
    border: 1px solid rgba(0,0,0,0.05);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
    text-align: center;
}

.interest-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.interest-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(108, 99, 255, 0.15);
    border-color: rgba(108, 99, 255, 0.2);
}

.interest-card:hover::before {
    transform: scaleX(1);
}

.interest-card .interest-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(108, 99, 255, 0.1), rgba(0, 206, 201, 0.1));
    border-radius: 16px;
    margin-bottom: 20px;
    transition: all 0.3s ease;
}

.interest-card:hover .interest-icon {
    background: var(--gradient);
}

.interest-card .interest-icon i {
    font-size: 26px;
    color: var(--accent);
    transition: color 0.3s ease;
}

.interest-card:hover .interest-icon i {
    color: white;
}

.interest-card {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease, box-shadow 0.4s ease, border-color 0.4s ease;
    text-align: center;
}

.interest-card.animate {
    opacity: 1;
    transform: translateY(0);
}

.interest-card h3 {
    font-family: 'Syne', sans-serif;
    font-size: 18px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 10px;
}

.interest-card p {
    font-size: 14px;
    color: #000;
    line-height: 1.6;
    margin-bottom: 20px;
}

.interest-bar {
    height: 4px;
    background: var(--light);
    border-radius: 2px;
    overflow: hidden;
}

.interest-bar .bar-fill {
    height: 100%;
    background: var(--gradient);
    border-radius: 2px;
    width: 0;
    transition: width 1s ease;
}

/* International Section - Premium */
.international-section {
    background: linear-gradient(180deg, var(--white) 0%, var(--light) 100%);
    padding: 60px 0;
}

.international-card {
    background: white;
    padding: 40px;
    border-radius: var(--radius-lg);
    box-shadow: 0 10px 50px rgba(0,0,0,0.08);
    border: 1px solid rgba(0,0,0,0.05);
}

.international-content {
    margin-top: 30px;
}

.current-role {
    background: linear-gradient(135deg, rgba(108,99,255,0.1), rgba(0,206,201,0.1));
    padding: 25px 30px;
    border-radius: var(--radius);
    margin-bottom: 30px;
    border-left: 4px solid var(--accent);
}

.role-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--gradient);
    color: white;
    padding: 8px 18px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 15px;
}

.current-role p {
    font-size: 15px;
    color: var(--dark);
    line-height: 1.8;
}

.international-content p {
    font-size: 15px;
    color: #000;
    line-height: 1.8;
    margin-bottom: 20px;
}

.partner-logos {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 15px;
    margin: 30px 0;
}

.partner-logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 20px 15px;
    background: var(--light);
    border-radius: var(--radius);
    text-align: center;
    transition: all 0.3s ease;
}

.partner-logo:hover {
    background: white;
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.partner-logo i {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient);
    border-radius: 12px;
    font-size: 22px;
    color: white;
}

.partner-logo span {
    font-size: 12px;
    font-weight: 600;
    color: var(--dark);
    line-height: 1.3;
}

.award-highlight-box {
    display: flex;
    align-items: center;
    gap: 20px;
    background: linear-gradient(135deg, #FFD700, #FFA500);
    padding: 25px 30px;
    border-radius: var(--radius);
    margin-top: 30px;
    color: white;
}

.award-highlight-icon {
    width: 60px;
    height: 60px;
    background: rgba(255,255,255,0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.award-highlight-icon i {
    font-size: 28px;
    color: white;
}

.award-highlight-content h3 {
    font-size: 18px;
    font-weight: 700;
    color: white;
    margin-bottom: 5px;
}

.award-highlight-content p {
    font-size: 14px;
    color: rgba(255,255,255,0.9);
    margin: 0;
}

@media (max-width: 992px) {
    .interests-cards-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .interests-cards-grid {
        grid-template-columns: 1fr;
    }
    
    .interest-card {
        padding: 25px;
        text-align: center;
    }
    
    .interest-icon {
        width: 50px;
        height: 50px;
    }
    
    .interest-icon i {
        font-size: 22px;
    }
    
    .interest-card h3 {
        font-size: 16px;
    }
    
    .interest-card p {
        font-size: 13px;
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    .about-content h2 {
        font-size: 22px;
    }
    
    .about-lead {
        font-size: 14px;
    }
    
    .profile-highlights {
        gap: 15px;
    }
    
    .highlight-card {
        padding: 20px;
    }
    
    .highlight-card i {
        font-size: 24px;
        width: 45px;
        height: 45px;
    }
    
    .highlight-card h3 {
        font-size: 16px;
    }
    
    .languages-grid-about {
        grid-template-columns: 1fr;
    }
    
    .workshop-card h3 {
        font-size: 14px;
    }
    
    .interests-grid {
        grid-template-columns: 1fr;
    }
    
    .cert-tabs {
        flex-direction: column;
    }
    
    .cert-tab {
        width: 100%;
    }
    
    .edu-timeline-marker {
        left: -32px;
    }
}

/* Laptop - Large Tablet */
@media (min-width: 993px) and (max-width: 1200px) {
    .about-grid {
        gap: 50px;
    }
    
    .about-content h2 {
        font-size: 30px;
    }
    
    .profile-highlights {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }
    
    .languages-grid-about {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .workshops-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Stats Section Mobile */
@media (max-width: 768px) {
    .stats-section {
        padding: 40px 0;
        position: relative;
        z-index: 1;
        margin-top: 0;
        border-radius: 20px 20px 0 0;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
        padding: 0 15px;
    }
    
    .stat-card {
        padding: 15px 12px;
    }
    
    .stat-icon {
        font-size: 20px;
        margin-bottom: 8px;
    }
    
    .stat-num {
        font-size: 24px;
    }
    
    .stat-label {
        font-size: 10px;
    }
}

/* Social Links Mobile */
@media (max-width: 768px) {
    .social-links-section {
        padding: 60px 0;
    }
    
    .section-header {
        text-align: center;
    }
    
    .section-header h2 {
        font-size: 28px;
    }
    
    .social-profiles-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
        padding: 0 15px;
    }
    
    .social-profile-card {
        padding: 12px 15px;
        gap: 10px;
    }
    
    .social-profile-icon {
        width: 44px;
        height: 44px;
        font-size: 18px;
        border-radius: 10px;
    }
    
    .social-name {
        font-size: 14px;
    }
    
    .social-desc {
        font-size: 11px;
    }
    
    .social-arrow {
        display: none;
    }
}

/* Small Mobile - Social Cards */
@media (max-width: 480px) {
    .social-profiles-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
        padding: 0 10px;
    }
    
    .social-profile-card {
        padding: 10px 12px;
        gap: 8px;
    }
    
    .social-profile-icon {
        width: 36px;
        height: 36px;
        font-size: 14px;
    }
    
    .social-name {
        font-size: 12px;
    }
    
    .social-desc {
        font-size: 10px;
    }
}

/* Interests Section Mobile */
@media (max-width: 768px) {
    .interests-section {
        padding: 60px 0;
    }
    
    .section-header h2 {
        font-size: 28px;
    }
    
    .interests-cards-grid {
        grid-template-columns: 1fr;
        gap: 15px;
        padding: 0 15px;
    }
    
    .interest-card {
        padding: 22px;
        text-align: center;
    }
    
    .interest-card .interest-icon {
        width: 50px;
        height: 50px;
        margin-bottom: 15px;
    }
    
    .interest-card .interest-icon i {
        font-size: 22px;
    }
    
    .interest-card h3 {
        font-size: 16px;
        margin-bottom: 8px;
    }
    
    .interest-card p {
        font-size: 13px;
    }
    
    /* Improved Mobile Card Styles */
    .language-card {
        padding: 25px 20px !important;
    }
    
    .language-card i {
        font-size: 32px !important;
    }
    
    .language-card h4 {
        font-size: 16px !important;
    }
    
    .lang-proficiency {
        font-size: 12px !important;
    }
    
    .workshop-card {
        padding: 25px !important;
    }
    
    .workshop-card-header i {
        width: 48px;
        height: 48px;
        font-size: 26px;
    }
    
    .workshop-card h3 {
        font-size: 16px !important;
    }
    
    .workshop-org,
    .workshop-desc {
        font-size: 14px !important;
    }
    
    .cert-item-full {
        padding: 20px !important;
        gap: 18px !important;
    }
    
    .cert-item-full i {
        font-size: 26px !important;
        width: 48px !important;
        height: 48px !important;
    }
    
    .cert-info-full h4 {
        font-size: 16px !important;
    }
    
    .cert-info-full p {
        font-size: 13px !important;
    }
}

/* International Section Mobile */
@media (max-width: 768px) {
    .international-section {
        padding: 60px 0;
    }
    
    .international-card {
        padding: 25px 20px;
        margin: 0 15px;
        border-radius: var(--radius);
    }
    
    .section-header.left {
        text-align: center;
    }
    
    .section-header.left h2 {
        font-size: 28px;
    }
    
    .role-badge {
        font-size: 11px;
        padding: 8px 16px;
    }
    
    .international-content p {
        font-size: 14px;
        line-height: 1.7;
        text-align: left;
    }
    
    .partner-logos {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
        margin: 20px 0;
    }
    
    .partner-logo {
        padding: 18px 1px;
    }
    
    .partner-logo i {
        width: 40px;
        height: 40px;
        font-size: 16px;
        border-radius: 10px;
    }
    
    .partner-logo span {
        font-size: 10px;
        line-height: 1.3;
    }
    
    .award-highlight-box {
        flex-direction: column;
        text-align: center;
        padding: 20px;
        gap: 15px;
    }
    
    .award-highlight-icon {
        width: 50px;
        height: 50px;
    }
    
    .award-highlight-icon i {
        font-size: 24px;
    }
    
    .award-highlight-content h3 {
        font-size: 16px;
    }
    
    .award-highlight-content p {
        font-size: 13px;
    }
}

/* Video Section Mobile */
@media (max-width: 768px) {
    .video-section-home {
        padding: 60px 0;
    }
    
    .video-wrapper {
        margin: 0 15px;
        border-radius: var(--radius);
    }
    
    .video-wrapper iframe {
        min-height: 220px;
    }
}

/* CTA Section Mobile */
@media (max-width: 768px) {
    .cta-section {
        padding: 60px 0;
    }
    
    .cta-content {
        text-align: center;
    }
    
    .cta-content h2 {
        font-size: 28px;
        margin-bottom: 10px;
    }
    
    .cta-content p {
        font-size: 14px;
        margin-bottom: 25px;
    }
    
    .cta-buttons {
        flex-direction: column;
        gap: 12px;
        align-items: center;
    }
    
    .cta-buttons .btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }
}

/* Footer Mobile */
@media (max-width: 768px) {
    .footer {
        padding: 50px 0 20px;
    }
    
    .footer .container {
        padding: 0 20px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }
    
    .footer-brand .logo {
        justify-content: center;
        font-size: 16px;
    }
    
    .footer-social {
        justify-content: center;
    }
    
    .footer-brand .logo-text {
        max-width: 150px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    
    .footer-nav h4 {
        margin-bottom: 15px;
    }
    
    .footer-nav ul {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }
    
    .footer-contact h4 {
        margin-bottom: 15px;
    }
    
    .footer-contact ul li {
        justify-content: center;
    }
}

/* Very Small Screens */
@media (max-width: 375px) {
    .hero-title {
        font-size: 24px;
    }
    
    .hero-desc {
        font-size: 13px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }
    
    .stat-card {
        padding: 15px 10px;
    }
    
    .stat-num {
        font-size: 22px;
    }
    
    .section-header h2 {
        font-size: 24px;
    }
    
    .partner-logos {
        grid-template-columns: 1fr 1fr;
    }
    
    .international-card {
        padding: 20px 15px;
    }
}

/* Landscape Mode */
@media (max-height: 500px) and (orientation: landscape) {
    .hero {
        padding: 100px 0 40px;
    }
    
    .hero-grid {
        flex-direction: row;
        align-items: center;
    }
    
    .hero-image-wrapper {
        width: 150px;
        height: 150px;
    }
    
    .floating-badge {
        display: none;
    }
    
    .scroll-indicator {
        display: none;
    }
}

/* ============================================
   ABOUT PAGE RESPONSIVE STYLES
   ============================================ */

/* Desktop - Large Screens */
@media (min-width: 1200px) {
    .about-grid {
        gap: 80px;
    }
    
    .about-content h2 {
        font-size: 36px;
    }
    
    .about-content p {
        font-size: 16px;
    }
}

/* Tablet - Medium Screens */
@media (max-width: 992px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .about-image {
        order: -1;
    }
    
    .image-wrapper {
        display: inline-block;
    }
    
    .avatar-large {
        width: 180px;
        height: 180px;
        font-size: 40px;
    }
    
    .image-bg {
        width: 220px;
        height: 220px;
    }
    
    .image-decoration {
        position: relative;
        bottom: auto;
        left: auto;
        transform: none;
        justify-content: center;
        margin-top: 20px;
    }
    
    .about-content .section-tag {
        text-align: center;
    }
    
    .about-content h2 {
        text-align: center;
        font-size: 28px;
    }
    
    .about-lead {
        font-size: 16px;
    }
    
    .about-tags {
        justify-content: center;
    }
    
    .about-actions {
        justify-content: center;
    }
    
    .profile-highlights {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .skills-wrapper {
        grid-template-columns: 1fr;
    }
    
    .interests-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .languages-grid-about {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .education-timeline {
        padding-left: 0;
    }
    
    .edu-timeline-item {
        padding-left: 30px;
    }
    
    .workshops-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Mobile */
@media (max-width: 768px) {
    .about-intro {
        padding: 60px 0;
    }
    
    .about-grid {
        gap: 30px;
    }
    
    .avatar-large {
        width: 150px;
        height: 150px;
        font-size: 36px;
    }
    
    .image-bg {
        width: 180px;
        height: 180px;
        top: 15px;
        left: 15px;
    }
    
    .image-decoration {
        flex-wrap: wrap;
        gap: 10px;
    }
    
    .image-decoration span {
        font-size: 11px;
        padding: 6px 12px;
    }
    
    .about-content h2 {
        font-size: 24px;
        line-height: 1.3;
    }
    
    .about-lead {
        font-size: 15px;
    }
    
    .about-content p {
        font-size: 14px;
        line-height: 1.7;
    }
    
    .about-tags {
        gap: 8px;
    }
    
    .tag {
        font-size: 12px;
        padding: 8px 14px;
    }
    
    .about-actions {
        flex-direction: column;
        gap: 12px;
        align-items: center;
    }
    
    .about-actions .btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }
    
    /* Professional Profile */
    .professional-profile {
        padding: 60px 0;
    }
    
    .profile-highlights {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .highlight-card {
        padding: 25px;
    }
    
    .highlight-card i {
        font-size: 28px;
        width: 50px;
        height: 50px;
    }
    
    .highlight-card h3 {
        font-size: 18px;
    }
    
    .highlight-card p {
        font-size: 14px;
    }
    
    /* Skills Section */
    .skills-section {
        padding: 60px 0;
    }
    
    .section-header h2 {
        font-size: 26px;
    }
    
    .skill-category {
        padding: 20px;
    }
    
    .category-header {
        margin-bottom: 20px;
    }
    
    .category-icon {
        width: 40px;
        height: 40px;
    }
    
    .category-header h3 {
        font-size: 16px;
    }
    
    .skill-list {
        gap: 16px;
    }
    
    .skill-name {
        font-size: 13px;
    }
    
    .skill-percent {
        font-size: 13px;
    }
    
    /* Soft Skills */
    .soft-tags {
        gap: 8px;
    }
    
    .soft-tag {
        font-size: 12px;
        padding: 10px 16px;
    }
    
    /* Languages */
    .languages-grid-about {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .language-card {
        padding: 20px 15px;
    }
    
    .language-card i {
        font-size: 28px;
    }
    
    .language-card h4 {
        font-size: 15px;
    }
    
    .lang-proficiency {
        font-size: 11px;
    }
    
    /* Education Timeline */
    .education-section {
        padding: 60px 0;
    }
    
    .edu-timeline-item {
        margin-bottom: 25px;
    }
    
    .edu-timeline-content {
        padding: 20px;
    }
    
    .edu-year {
        font-size: 12px;
    }
    
    .edu-timeline-content h3 {
        font-size: 16px;
    }
    
    .edu-institution {
        font-size: 13px;
    }
    
    .edu-grade {
        font-size: 12px;
    }
    
    /* Certifications */
    .certifications-full-section {
        padding: 60px 0;
    }
    
    .cert-tabs {
        flex-wrap: wrap;
        gap: 10px;
    }
    
    .cert-tab {
        flex: 1;
        min-width: 140px;
        padding: 12px 16px;
        font-size: 13px;
    }
    
    .cert-item-full {
        padding: 18px;
        gap: 15px;
    }
    
    .cert-item-full i {
        font-size: 24px;
        width: 45px;
        height: 45px;
    }
    
    .cert-info-full h4 {
        font-size: 15px;
    }
    
    .cert-info-full p {
        font-size: 12px;
    }
    
    /* Workshops */
    .workshops-section {
        padding: 60px 0;
    }
    
    .workshops-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .workshop-card {
        padding: 22px;
    }
    
    .workshop-card-header {
        margin-bottom: 15px;
    }
    
    .workshop-card-header i {
        font-size: 26px;
        width: 45px;
        height: 45px;
    }
    
    .workshop-badge {
        font-size: 10px;
        padding: 4px 10px;
    }
    
    .workshop-card h3 {
        font-size: 15px;
        line-height: 1.4;
    }
    
    .workshop-org,
    .workshop-desc {
        font-size: 13px;
    }
    
    .workshop-date {
        font-size: 11px;
    }
    
    /* Interests */
    .interests-section {
        padding: 60px 0;
    }
    
    .interests-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .interest-card {
        padding: 25px;
        text-align: center;
    }
    
    .interest-icon {
        width: 50px;
        height: 50px;
    }
    
    .interest-icon i {
        font-size: 22px;
    }
    
    .interest-card h3 {
        font-size: 16px;
    }
    
    .interest-card p {
        font-size: 13px;
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    .about-content h2 {
        font-size: 22px;
    }
    
    .about-lead {
        font-size: 14px;
    }
    
    .profile-highlights {
        gap: 15px;
    }
    
    .highlight-card {
        padding: 20px;
    }
    
    .highlight-card i {
        font-size: 24px;
        width: 45px;
        height: 45px;
    }
    
    .highlight-card h3 {
        font-size: 16px;
    }
    
    .languages-grid-about {
        grid-template-columns: 1fr;
    }
    
    .workshop-card h3 {
        font-size: 14px;
    }
    
    .interests-grid {
        grid-template-columns: 1fr;
    }
    
    .cert-tabs {
        flex-direction: column;
    }
    
    .cert-tab {
        width: 100%;
    }
    
    .edu-timeline-marker {
        left: -32px;
    }
}

/* Laptop - Large Tablet */
@media (min-width: 993px) and (max-width: 1200px) {
    .about-grid {
        gap: 50px;
    }
    
    .about-content h2 {
        font-size: 30px;
    }
    
    .profile-highlights {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }
    
    .languages-grid-about {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .workshops-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}


/* Moving Frame Gallery Section */
.moving-frame-section {
    background: linear-gradient(135deg, #f8f9fc 0%, #eef1f8 100%);
    overflow: hidden;
}

.moving-frame-container {
    position: relative;
    width: 100%;
    padding: 20px 0;
}

.frame-wrapper {
    width: 100%;
    overflow: hidden;
}

.moving-frame {
    display: flex;
    gap: 20px;
    animation: scroll-left 30s linear infinite;
    width: max-content;
}

@keyframes scroll-left {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

.frame-item {
    flex-shrink: 0;
    width: 280px;
    height: 200px;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    transition: all 0.3s ease;
    position: relative;
}

.frame-item:hover {
    transform: scale(1.05);
    box-shadow: 0 20px 60px rgba(108, 99, 255, 0.25);
}

.frame-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 0.3s ease;
}

.frame-item:hover img {
    transform: scale(1.1);
}

.frame-item::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: linear-gradient(to top, rgba(0,0,0,0.7), transparent);
    pointer-events: none;
}

@media (max-width: 768px) {
    .moving-frame {
        gap: 15px;
    }
    
    .frame-item {
        width: 220px;
        height: 160px;
    }
    
    .moving-frame-container {
        padding: 15px 0;
    }
}

@media (max-width: 576px) {
    .frame-item {
        width: 180px;
        height: 140px;
    }
    
    .moving-frame {
        gap: 10px;
    }
}

/* Conferences Page */
.conferences-list-section {
    background: linear-gradient(180deg, var(--bg) 0%, #f8f9fc 100%);
}

.conferences-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    max-width: 1100px;
    margin: 0 auto;
}

.conf-card {
    background: var(--white);
    border-radius: 16px;
    padding: 24px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.06);
    border: 1px solid rgba(108, 99, 255, 0.1);
    transition: all 0.3s ease;
    display: flex;
    gap: 20px;
}

.conf-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(108, 99, 255, 0.12);
    border-color: rgba(108, 99, 255, 0.25);
}

.conf-year {
    min-width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    font-weight: 800;
    color: white;
    font-family: 'Syne', sans-serif;
    flex-shrink: 0;
}

.conf-content {
    flex: 1;
}

.conf-content h3 {
    font-size: 17px;
    color: var(--primary);
    margin-bottom: 8px;
    font-weight: 600;
    line-height: 1.4;
}

.conf-content p {
    font-size: 14px;
    color: #666;
    margin-bottom: 12px;
    line-height: 1.5;
}

.conf-venue, .conf-date {
    display: block;
    font-size: 13px;
    color: var(--accent);
    margin-bottom: 4px;
}

.conf-venue i, .conf-date i {
    margin-right: 6px;
}

@media (max-width: 992px) {
    .conferences-grid {
        grid-template-columns: 1fr;
    }
    
    .conf-card {
        padding: 20px;
    }
    
    .conf-content h3 {
        font-size: 16px;
    }
}

@media (max-width: 576px) {
    .conf-card {
        flex-direction: column;
        gap: 15px;
    }
    
    .conf-year {
        align-self: flex-start;
    }
}

/* Gallery Styles */
.gallery-section {
    background: linear-gradient(180deg, var(--bg) 0%, #f0f3f8 100%);
}

.gallery-block {
    background: var(--white);
    border-radius: 16px;
    padding: 28px;
    margin-bottom: 32px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.06);
    border: 1px solid rgba(108, 99, 255, 0.08);
}

.gallery-block-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--accent);
}

.gallery-block-header.covid {
    border-color: #2ecc71;
}

.gallery-block-header.professional {
    border-color: #e74c3c;
}

.gallery-block-header.academic {
    border-color: #f39c12;
}

.gallery-block-header .gallery-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: white;
}

.gallery-block-header.covid .gallery-icon {
    background: linear-gradient(135deg, #2ecc71, #27ae60);
}

.gallery-block-header.professional .gallery-icon {
    background: linear-gradient(135deg, #e74c3c, #c0392b);
}

.gallery-block-header.academic .gallery-icon {
    background: linear-gradient(135deg, #f39c12, #e67e22);
}

.gallery-block-info h3 {
    font-size: 20px;
    color: var(--primary);
    font-weight: 700;
    margin-bottom: 4px;
}

.gallery-block-info p {
    font-size: 14px;
    color: #777;
}

.gallery-photos {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
}

.photo-card {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    aspect-ratio: 4/3;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.photo-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 30px rgba(108, 99, 255, 0.2);
}

.photo-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.photo-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
    padding: 30px 12px 12px;
    opacity: 0;
    transition: all 0.3s ease;
}

.photo-card:hover .photo-overlay {
    opacity: 1;
}

.photo-overlay span {
    color: white;
    font-size: 12px;
    font-weight: 600;
}

@media (max-width: 992px) {
    .gallery-photos {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .gallery-photos {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .gallery-block-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .gallery-block {
        padding: 20px;
    }
    
    .gallery-block-info h3 {
        font-size: 18px;
    }
}

@media (max-width: 576px) {
    .gallery-photos {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }
}

/* Contact Page Enhanced */
.contact-section {
    background: linear-gradient(180deg, var(--bg) 0%, #f5f7fa 100%);
    padding: 60px 0;
}

.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 40px;
    align-items: start;
}

.contact-info {
    position: sticky;
    top: 100px;
}

.section-header.left {
    text-align: left;
    margin-bottom: 24px;
}

.section-header.left .section-tag {
    display: inline-block;
}

.section-header.left h2 {
    font-size: 28px;
}

.contact-intro {
    font-size: 15px;
    color: #666;
    line-height: 1.7;
    margin-bottom: 24px;
}

.contact-cards {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.contact-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 18px 20px;
    background: var(--white);
    border-radius: 14px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
    border: 1px solid rgba(108, 99, 255, 0.08);
    transition: all 0.3s ease;
}

.contact-card:hover {
    transform: translateX(8px);
    box-shadow: 0 8px 30px rgba(108, 99, 255, 0.12);
    border-color: rgba(108, 99, 255, 0.2);
}

.contact-card .card-icon {
    width: 48px;
    height: 48px;
    min-width: 48px;
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-card .card-icon i {
    font-size: 18px;
    color: white;
}

.contact-card .card-content h4 {
    font-size: 13px;
    color: var(--accent);
    font-weight: 600;
    margin-bottom: 4px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.contact-card .card-content p,
.contact-card .card-content a {
    font-size: 14px;
    color: var(--primary);
    font-weight: 500;
    line-height: 1.4;
}

.contact-card .card-content a:hover {
    color: var(--accent);
}

.social-section {
    margin-top: 28px;
    padding-top: 24px;
    border-top: 1px solid rgba(108, 99, 255, 0.1);
}

.social-section h3 {
    font-size: 16px;
    color: var(--primary);
    margin-bottom: 16px;
    font-weight: 600;
}

.social-link .link-icon {
    width: 36px;
    height: 36px;
    min-width: 36px;
    background: var(--gradient);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.social-link .link-icon i {
    font-size: 14px;
    color: white;
}

.social-link .link-text {
    display: flex;
    flex-direction: column;
}

.social-link .link-text span {
    font-size: 12px;
    font-weight: 600;
    color: var(--primary);
}

.social-link .link-text small {
    font-size: 10px;
    color: #888;
}

/* Contact Form */
.contact-form-wrapper {
    position: relative;
}

.form-card {
    background: var(--white);
    border-radius: 20px;
    padding: 36px;
    box-shadow: 0 15px 50px rgba(0,0,0,0.08);
    border: 1px solid rgba(108, 99, 255, 0.1);
}

.form-header {
    margin-bottom: 28px;
}

.form-header h3 {
    font-size: 22px;
    color: var(--primary);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.form-header h3 i {
    color: var(--accent);
}

.form-header p {
    font-size: 14px;
    color: #666;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--dark);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid rgba(108, 99, 255, 0.1);
    border-radius: 10px;
    font-size: 14px;
    font-family: inherit;
    transition: all 0.3s ease;
    background: #f8f9fc;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--accent);
    background: white;
    outline: none;
    box-shadow: 0 0 0 4px rgba(108, 99, 255, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 140px;
}

.btn-full {
    width: 100%;
    padding: 16px 24px;
    font-size: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background: var(--gradient);
    color: white;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 600;
}

.btn-full:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(108, 99, 255, 0.3);
}

/* Visitor Counter */
.visitor-section {
    background: var(--white);
    padding: 20px 0;
    border-top: 1px solid rgba(108, 99, 255, 0.1);
    border-bottom: 1px solid rgba(108, 99, 255, 0.1);
}

.visitor-counter {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    color: #000;
    font-size: 14px;
}

.visitor-counter i {
    color: var(--accent);
}

.visitor-counter .counter {
    font-weight: 700;
    color: var(--accent);
}

/* Responsive */
@media (max-width: 1200px) {
    .social-links {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 992px) {
    .contact-layout {
        grid-template-columns: 1fr;
    }
    
    .contact-info {
        position: static;
    }
    
    .form-card {
        padding: 28px;
    }
}

@media (max-width: 768px) {
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .social-links {
        grid-template-columns: 1fr 1fr;
    }
    
    .contact-card {
        padding: 14px 16px;
    }
    
    .contact-card .card-icon {
        width: 40px;
        height: 40px;
        min-width: 40px;
    }
}

@media (max-width: 576px) {
    .container {
        padding: 0 15px;
    }
    
    .form-card {
        padding: 20px;
    }
    
    .social-links {
        grid-template-columns: 1fr;
    }
    
    .form-header h3 {
        font-size: 18px;
    }
}

/* Social Grid */
.social-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    width: 100%;
}

.social-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 14px 8px;
    background: var(--white);
    border-radius: 10px;
    text-decoration: none;
    border: 1px solid rgba(108, 99, 255, 0.08);
    transition: all 0.3s ease;
}

.social-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(108, 99, 255, 0.12);
    border-color: var(--accent);
}

.social-item .social-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    color: white;
}

.social-item .social-name {
    font-size: 11px;
    font-weight: 600;
    color: var(--primary);
    text-align: center;
}

/* Social colors */
.social-item.linkedin .social-icon { background: #0077b5; }
.social-item.orcid .social-icon { background: #a6ce39; }
.social-item.scopus .social-icon { background: #004fa8; }
.social-item.scholar .social-icon { background: #4285f4; }
.social-item.frontiers .social-icon { background: #1d8a99; }
.social-item.youtube .social-icon { background: #ff0000; }
.social-item.facebook .social-icon { background: #1877f2; }
.social-item.twitter .social-icon { background: #000000; }
.social-item.instagram .social-icon { background: linear-gradient(45deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888); }

@media (max-width: 768px) {
    .social-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 8px;
        max-width: 100%;
    }
    
    .social-item {
        padding: 12px 6px;
    }
    
    .social-item .social-icon {
        width: 32px;
        height: 32px;
        font-size: 13px;
    }
    
    .social-item .social-name {
        font-size: 10px;
    }
}

@media (max-width: 480px) {
    .social-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .logo {
        font-size: 14px;
    }
    
    .logo-text {
        max-width: 120px;
    }
    
    .logo-icon {
        width: 28px;
        height: 28px;
        font-size: 12px;
    }
    
    .loader-text {
        font-size: 16px;
        letter-spacing: 2px;
    }
    
    .loader-logo {
        font-size: 32px;
    }
}

/* About Page Mobile Fix */
@media (max-width: 768px) {
    .about-intro {
        padding: 40px 0 !important;
    }
    
    .about-intro .container {
        padding: 0 20px !important;
    }
    
    .about-grid {
        grid-template-columns: 1fr !important;
        gap: 25px !important;
        display: flex !important;
        flex-direction: column-reverse;
    }
    
    .about-image {
        display: flex !important;
        justify-content: center !important;
        order: -1;
    }
    
    .about-content {
        text-align: left !important;
    }
    
    .about-content .section-tag {
        text-align: left !important;
    }
    
    .about-content h2 {
        text-align: left !important;
        font-size: 22px !important;
        line-height: 1.3 !important;
    }
    
    .about-content p {
        font-size: 14px !important;
        line-height: 1.8 !important;
        text-align: left !important;
        margin-bottom: 16px !important;
    }
    
    .about-lead {
        font-size: 15px !important;
        line-height: 1.7 !important;
    }
    
    .page-hero h1 {
        font-size: 32px !important;
    }
    
    .page-hero p {
        font-size: 14px !important;
    }
    
    .section {
        padding: 40px 0 !important;
    }
    
    .section .container {
        padding: 0 20px !important;
    }
    
    .section-header {
        text-align: center;
        margin-bottom: 25px;
    }
    
    .section-header h2 {
        font-size: 24px !important;
    }
    
    .section-header p {
        font-size: 14px !important;
    }
    
    .about-tags {
        display: flex !important;
        flex-wrap: wrap !important;
        gap: 10px !important;
        justify-content: flex-start !important;
        margin: 20px 0 !important;
    }
    
    .about-actions {
        display: flex !important;
        gap: 12px !important;
        flex-wrap: wrap !important;
        margin-top: 20px !important;
    }
    
    .about-actions .btn {
        flex: 1;
        min-width: 140px;
        justify-content: center;
    }
    
    .tag {
        font-size: 12px !important;
        padding: 8px 14px !important;
    }
    
    .about-actions {
        display: flex !important;
        gap: 12px !important;
        flex-wrap: wrap !important;
        margin-top: 20px !important;
    }
}

/* Mobile Menu Responsive */
@media (max-width: 992px) {
    .mobile-menu-btn {
        display: flex !important;
        z-index: 1001;
        position: relative;
        cursor: pointer;
        background: none;
        border: none;
        padding: 10px;
    }
    
    .mobile-menu-btn span {
        display: block;
        width: 24px;
        height: 2px;
        background: var(--primary);
        border-radius: 2px;
        transition: all 0.3s ease;
    }
    
    .nav-links {
        position: fixed;
        top: 0;
        right: 0;
        width: 280px;
        height: 100vh;
        background: var(--white);
        flex-direction: column;
        padding: 100px 20px 30px;
        gap: 12px;
        box-shadow: -5px 0 30px rgba(0,0,0,0.15);
        transition: transform 0.3s ease;
        transform: translateX(100%);
        z-index: 1000;
        overflow-y: auto;
    }
    
    .nav-links.active {
        transform: translateX(0);
    }
    
    .nav-link:hover,
    .nav-link.active {
        color: var(--accent);
        background: rgba(108, 99, 255, 0.08);
        transform: translateX(-5px);
    }
    
    .nav-links.active {
        transform: translateX(0);
    }
    
    .nav-link {
        padding: 16px 20px;
        width: 100%;
        font-size: 16px;
        font-weight: 500;
        color: var(--dark);
        background: var(--light);
        border-radius: 10px;
        transition: all 0.3s ease;
    }
    
    .nav-link:hover,
    .nav-link.active {
        color: var(--accent);
        background: rgba(108, 99, 255, 0.08);
        transform: translateX(5px);
    }
    
    .nav-links .nav-cta {
        margin-top: 20px;
        margin-bottom: 10px;
        width: 100%;
        justify-content: center;
        padding: 16px 24px;
        border-radius: 10px;
        font-weight: 600;
    }
    
    .mobile-menu-overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0,0,0,0.5);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
        z-index: 999;
    }
    
    .mobile-menu-overlay.active {
        opacity: 1;
        visibility: visible;
    }
    
    .mobile-menu-btn span {
        transition: all 0.3s ease;
    }
    
    .mobile-menu-btn.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .mobile-menu-btn.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-btn.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }
}

.top-social-bar {
    width: 100%;
    background: var(--gradient);
    padding: 10px 0;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1001;
}

.top-social-container {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.social-icons {
    display: flex;
    align-items: center;
    gap: 12px;
}

.social-icons a {
    color: #fff;
    font-size: 14px;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    transition: all 0.3s ease;
}

.social-icons a:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

/* Responsive Top Social Bar */
@media (max-width: 768px) {
    .top-social-bar {
        padding: 8px 0;
    }
    
    .top-social-container {
        justify-content: center;
    }
    
    .social-icons {
        gap: 10px;
    }
    
    .social-icons a {
        width: 28px;
        height: 28px;
        font-size: 12px;
    }
    
    .navbar {
        top: 44px;
    }
    
    .hero {
        padding-top: 110px;
    }
    
    .page-hero {
        margin-top: 112px;
    }
}