/* ============================================
   CRITMS — Chowdhury Research Institute
   for Theoretical Materials Science
   Stylesheet  (Enhanced Edition)
   ============================================ */

/* CSS Variables */
:root {
    --primary: #0f172a;
    --primary-light: #1e293b;
    --accent: #3b82f6;
    --accent-light: #60a5fa;
    --accent-dark: #2563eb;
    --accent-glow: rgba(59, 130, 246, 0.15);
    --accent-glow-strong: rgba(59, 130, 246, 0.25);
    --text: #f8fafc;
    --text-muted: #94a3b8;
    --text-dim: #64748b;
    --bg: #020617;
    --bg-card: #0f172a;
    --bg-card-hover: #1e293b;
    --border: rgba(148, 163, 184, 0.1);
    --border-hover: rgba(59, 130, 246, 0.3);
    --gradient-1: #3b82f6;
    --gradient-2: #8b5cf6;
    --gradient-3: #06b6d4;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.4), 0 2px 4px -2px rgba(0,0,0,0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.5), 0 4px 6px -4px rgba(0,0,0,0.4);
    --shadow-glow: 0 0 40px rgba(59, 130, 246, 0.15);
    --shadow-glow-strong: 0 0 60px rgba(59, 130, 246, 0.25);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --font-display: 'Playfair Display', Georgia, serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

/* Reset & Base */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: inherit;
    text-decoration: none;
}

ul { list-style: none; }
img { max-width: 100%; display: block; }

/* Selection */
::selection {
    background: rgba(59, 130, 246, 0.3);
    color: var(--text);
}

/* Container */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition-base);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(2, 6, 23, 0.9);
    backdrop-filter: blur(24px) saturate(1.2);
    -webkit-backdrop-filter: blur(24px) saturate(1.2);
    border-bottom: 1px solid var(--border);
    padding: 12px 0;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text);
    transition: var(--transition-fast);
}

.logo-icon {
    width: 44px;
    height: 44px;
    background: #0a0f1e;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: white;
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.3);
    transition: transform 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
    overflow: hidden;
}

.logo-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 4px;
}

.logo:hover .logo-icon {
    transform: rotate(180deg) scale(1.05);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav-links a {
    padding: 8px 16px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-muted);
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 16px;
    right: 16px;
    height: 2px;
    background: linear-gradient(90deg, var(--gradient-1), var(--gradient-2));
    border-radius: 2px;
    transform: scaleX(0);
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--text);
}

.nav-links a:hover::after,
.nav-links a.active::after {
    transform: scaleX(1);
}

/* Dropdown Menu */
.dropdown {
    position: relative;
}

.dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 6px;
}

.dropdown-toggle i {
    font-size: 0.7rem;
    transition: transform 0.3s ease;
}

.dropdown:hover .dropdown-toggle i {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%) translateY(-10px);
    background: rgba(15, 23, 42, 0.98);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 8px;
    min-width: 220px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.25s ease;
    box-shadow: var(--shadow-lg);
    z-index: 1001;
}

.dropdown-menu::before {
    content: '';
    position: absolute;
    top: -6px;
    left: 50%;
    transform: translateX(-50%);
    width: 12px;
    height: 12px;
    background: rgba(15, 23, 42, 0.98);
    border-left: 1px solid var(--border);
    border-top: 1px solid var(--border);
    transform: translateX(-50%) rotate(45deg);
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.dropdown-menu li {
    list-style: none;
}

.dropdown-menu a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    font-size: 0.88rem;
    color: var(--text-muted);
    transition: var(--transition-fast);
    white-space: nowrap;
}

.dropdown-menu a i {
    font-size: 0.85rem;
    color: var(--accent-light);
    width: 18px;
    text-align: center;
}

.dropdown-menu a:hover {
    background: rgba(59, 130, 246, 0.1);
    color: var(--text);
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text);
    font-size: 1.4rem;
    cursor: pointer;
    padding: 8px;
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}

.mobile-menu-btn:hover {
    background: var(--bg-card);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 120px 24px 80px;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse at 20% 50%, rgba(59, 130, 246, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(139, 92, 246, 0.06) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 80%, rgba(6, 182, 212, 0.05) 0%, transparent 50%),
        var(--bg);
    z-index: 0;
}

/* Animated gradient orbs */
.hero-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    z-index: 0;
    pointer-events: none;
}

.orb-1 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.2), transparent 70%);
    top: -10%;
    left: -5%;
    animation: orbFloat1 20s ease-in-out infinite;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.15), transparent 70%);
    bottom: -5%;
    right: -5%;
    animation: orbFloat2 25s ease-in-out infinite;
}

.orb-3 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.12), transparent 70%);
    top: 40%;
    left: 60%;
    animation: orbFloat3 18s ease-in-out infinite;
}

@keyframes orbFloat1 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(60px, 40px) scale(1.1); }
    66% { transform: translate(-30px, 80px) scale(0.95); }
}

@keyframes orbFloat2 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(-50px, -30px) scale(1.05); }
    66% { transform: translate(40px, -60px) scale(0.9); }
}

@keyframes orbFloat3 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(-40px, 50px) scale(1.15); }
}

/* Noise texture overlay */
.noise-overlay {
    position: absolute;
    inset: 0;
    z-index: 1;
    opacity: 0.03;
    pointer-events: none;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
    background-repeat: repeat;
    background-size: 256px 256px;
}

.hero-particles {
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
}

.hero-particles .particle {
    position: absolute;
    width: 3px;
    height: 3px;
    background: var(--accent);
    border-radius: 50%;
    opacity: 0.4;
    animation: float 15s infinite ease-in-out;
}

@keyframes float {
    0%, 100% { transform: translateY(0) translateX(0); opacity: 0.2; }
    25% { transform: translateY(-30px) translateX(20px); opacity: 0.6; }
    50% { transform: translateY(-60px) translateX(-10px); opacity: 0.3; }
    75% { transform: translateY(-30px) translateX(30px); opacity: 0.5; }
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
    text-align: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--accent-light);
    margin-bottom: 32px;
    animation: fadeInUp 0.8s ease 0.2s both;
    backdrop-filter: blur(10px);
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.hero-title .line {
    display: block;
    animation: fadeInUp 0.8s ease both;
}

.hero-title .line:nth-child(1) { animation-delay: 0.3s; }
.hero-title .line:nth-child(2) { animation-delay: 0.4s; }
.hero-title .line:nth-child(3) { animation-delay: 0.5s; }

.hero-title .highlight {
    background: linear-gradient(135deg, var(--gradient-1), var(--gradient-2), var(--gradient-3));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 200% 200%;
    animation: gradientShift 8s ease infinite;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: var(--text-muted);
    max-width: 700px;
    margin: 0 auto 40px;
    line-height: 1.7;
    animation: fadeInUp 0.8s ease 0.6s both;
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 60px;
    animation: fadeInUp 0.8s ease 0.7s both;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 48px;
    animation: fadeInUp 0.8s ease 0.9s both;
    flex-wrap: wrap;
}

.stat {
    text-align: center;
    padding: 16px 24px;
    border-radius: var(--radius-lg);
    background: rgba(15, 23, 42, 0.5);
    border: 1px solid var(--border);
    backdrop-filter: blur(10px);
    transition: var(--transition-base);
}

.stat:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
}

.stat-number {
    display: block;
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--gradient-1), var(--gradient-2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-dim);
    margin-top: 6px;
    display: block;
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--text-dim);
    font-size: 0.8rem;
    animation: fadeIn 1s ease 1.2s both;
}

.mouse {
    width: 24px;
    height: 38px;
    border: 2px solid var(--text-dim);
    border-radius: 12px;
    position: relative;
}

.wheel {
    width: 4px;
    height: 8px;
    background: var(--accent);
    border-radius: 2px;
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    animation: scrollWheel 2s infinite;
}

@keyframes scrollWheel {
    0% { opacity: 1; transform: translateX(-50%) translateY(0); }
    100% { opacity: 0; transform: translateX(-50%) translateY(12px); }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-base);
    border: none;
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.btn:hover::before {
    transform: translateX(100%);
}

.btn-primary {
    background: linear-gradient(135deg, var(--gradient-1), var(--gradient-2));
    color: white;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.4);
}

.btn-outline {
    background: transparent;
    color: var(--text);
    border: 1px solid var(--border);
}

.btn-outline:hover {
    border-color: var(--accent);
    background: var(--accent-glow);
    transform: translateY(-2px);
}

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

/* ============================================
   SECTION HEADERS
   ============================================ */
.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.section-tag {
    display: inline-block;
    padding: 6px 16px;
    background: var(--accent-glow);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent-light);
    margin-bottom: 20px;
    backdrop-filter: blur(10px);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.section-desc {
    font-size: 1.1rem;
    color: var(--text-muted);
    line-height: 1.7;
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about {
    padding: 120px 0;
    position: relative;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border), transparent);
}

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

.about-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.about-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--gradient-1), var(--gradient-2));
    transform: scaleX(0);
    transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.about-card:hover {
    transform: translateY(-8px);
    border-color: var(--border-hover);
    box-shadow: var(--shadow-glow-strong);
}

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

.about-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--gradient-1), var(--gradient-2));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: white;
    margin-bottom: 24px;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.25);
    transition: var(--transition-base);
}

.about-card:hover .about-icon {
    transform: scale(1.1) rotate(-5deg);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.35);
}

.about-card h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.about-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ============================================
   RESEARCH GRID (Static)
   ============================================ */
.research {
    padding: 120px 0;
    position: relative;
}

.research::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border), transparent);
}

.research-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    max-width: 1000px;
    margin: 0 auto;
}

.research-group {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 32px;
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.research-group::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--gradient-1), var(--gradient-2), var(--gradient-3));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.research-group:hover {
    transform: translateY(-6px) scale(1.01);
    border-color: var(--border-hover);
    box-shadow: var(--shadow-glow-strong);
}

.research-group:hover::before {
    opacity: 1;
}

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

.group-icon {
    width: 52px;
    height: 52px;
    background: linear-gradient(135deg, var(--gradient-1), var(--gradient-2));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: white;
    flex-shrink: 0;
    transition: var(--transition-base);
}

.research-group:hover .group-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.group-info h3 {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.group-count {
    font-size: 0.8rem;
    color: var(--text-dim);
    font-weight: 500;
}

.group-items {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: auto;
}

.group-items .tag {
    padding: 6px 14px;
    background: rgba(59, 130, 246, 0.08);
    border: 1px solid rgba(59, 130, 246, 0.15);
    border-radius: 100px;
    font-size: 0.82rem;
    color: var(--text-muted);
    transition: var(--transition-fast);
    white-space: nowrap;
}

.group-items .tag:hover {
    background: rgba(59, 130, 246, 0.15);
    border-color: rgba(59, 130, 246, 0.3);
    color: var(--text);
    transform: translateY(-1px);
}

/* ============================================
   METHODS SECTION
   ============================================ */
.methods {
    padding: 120px 0;
    position: relative;
}

.methods::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border), transparent);
}

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

.method-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.method-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, var(--gradient-1), var(--gradient-2));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.method-card:hover {
    transform: translateY(-6px);
    border-color: var(--border-hover);
    box-shadow: var(--shadow-glow-strong);
}

.method-card:hover::before {
    opacity: 1;
}

.method-number {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: rgba(59, 130, 246, 0.15);
    line-height: 1;
    margin-bottom: 16px;
    transition: var(--transition-base);
}

.method-card:hover .method-number {
    color: rgba(59, 130, 246, 0.25);
    transform: scale(1.05);
}

.method-content h3 {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 10px;
}

.method-content p {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 16px;
}

.method-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.method-tags span {
    padding: 4px 10px;
    background: rgba(59, 130, 246, 0.1);
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--accent-light);
    transition: var(--transition-fast);
}

.method-card:hover .method-tags span {
    background: rgba(59, 130, 246, 0.15);
}

/* ============================================
   PEOPLE SECTION
   ============================================ */
.people {
    padding: 120px 0;
    position: relative;
}

.people::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border), transparent);
}

.people-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 1100px;
    margin: 0 auto;
}

.person-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: var(--transition-base);
    display: flex;
    flex-direction: column;
}

.person-card:hover {
    transform: translateY(-8px);
    border-color: var(--border-hover);
    box-shadow: var(--shadow-glow-strong);
}

.person-image {
    position: relative;
    height: 200px;
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
    overflow: hidden;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.person-image img {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
    object-position: center;
    transition: transform 0.5s ease;
}

.person-image img.cover {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
}

.person-card:hover .person-image img {
    transform: scale(1.03);
}

.person-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: rgba(148, 163, 184, 0.3);
    transition: var(--transition-base);
}

.person-card:hover .person-placeholder {
    transform: scale(1.05);
    color: rgba(148, 163, 184, 0.4);
}

.person-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 40%, rgba(2, 6, 23, 0.9) 100%);
}

.person-info {
    padding: 28px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.person-role {
    display: inline-block;
    padding: 4px 12px;
    background: var(--accent-glow);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent-light);
    margin-bottom: 12px;
    width: fit-content;
}

.person-info h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 10px;
}

.person-info p {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 20px;
    flex-grow: 1;
}

.person-links {
    display: flex;
    gap: 10px;
    margin-top: auto;
}

.person-links a {
    width: 38px;
    height: 38px;
    background: var(--primary-light);
    border: 1px solid var(--border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 0.9rem;
    transition: var(--transition-fast);
}

.person-links a:hover {
    background: var(--accent);
    border-color: var(--accent);
    color: white;
    transform: translateY(-3px) scale(1.1);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

/* ============================================
   PUBLICATIONS SECTION
   ============================================ */
.publications {
    padding: 120px 0;
    position: relative;
}

.publications::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border), transparent);
}

.output-tabs-wrapper {
    max-width: 900px;
    margin: 0 auto;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.output-tabs {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    border-bottom: 1px solid var(--border);
}
.output-tab:only-child {
    grid-column: 1 / -1;
}

.output-tab {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 20px 24px;
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-base);
    position: relative;
}

.output-tab i {
    font-size: 1.1rem;
}

.output-tab::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 20%;
    right: 20%;
    height: 3px;
    background: linear-gradient(90deg, var(--gradient-1), var(--gradient-2));
    border-radius: 3px 3px 0 0;
    transform: scaleX(0);
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.output-tab:hover {
    color: var(--text);
    background: rgba(59, 130, 246, 0.05);
}

.output-tab.active {
    color: var(--text);
    background: rgba(59, 130, 246, 0.08);
}

.output-tab.active::after {
    transform: scaleX(1);
}

.output-panel {
    display: none;
    padding: 32px;
    animation: fadeIn 0.4s ease;
}

.output-panel.active {
    display: block;
}

.pub-list {
    max-width: 100%;
    margin: 0;
}

.pub-cta {
    display: none;
}

.pub-item {
    display: flex;
    gap: 24px;
    padding: 28px 32px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    margin-bottom: 16px;
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.pub-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 3px;
    height: 100%;
    background: linear-gradient(180deg, var(--gradient-1), var(--gradient-2));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.pub-item:hover {
    border-color: var(--border-hover);
    transform: translateX(8px);
    box-shadow: var(--shadow-md);
}

.pub-item:hover::before {
    opacity: 1;
}

.thesis-item .pub-year {
    background: linear-gradient(135deg, var(--gradient-2), var(--gradient-3));
}

.thesis-item::before {
    background: linear-gradient(180deg, var(--gradient-2), var(--gradient-3));
}

.pub-year {
    flex-shrink: 0;
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--gradient-1), var(--gradient-2));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 0.85rem;
    font-weight: 700;
    color: white;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.25);
}

.pub-content h4 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 8px;
    line-height: 1.4;
}

.pub-authors {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 6px;
}

.pub-journal {
    font-size: 0.85rem;
    color: var(--accent-light);
    font-weight: 500;
}

.pub-journal i {
    margin-right: 6px;
    font-size: 0.8rem;
}

.pub-cta {
    text-align: center;
}

.pub-doi {
    font-size: 0.8rem;
    color: var(--text-dim);
    margin-top: 6px;
}

.pub-doi i {
    margin-right: 6px;
    font-size: 0.75rem;
    color: var(--accent-light);
}

.pub-doi a {
    color: var(--accent-light);
    transition: var(--transition-fast);
}

.pub-doi a:hover {
    color: var(--text);
    text-decoration: underline;
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact {
    padding: 120px 0;
    position: relative;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border), transparent);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    align-items: start;
}

.contact-info h2 {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.contact-info > p {
    color: var(--text-muted);
    font-size: 1.05rem;
    line-height: 1.7;
    margin-bottom: 40px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-bottom: 40px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 16px;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    transition: var(--transition-base);
}

.contact-item > div:last-child {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
}

.contact-item > div:last-child .label {
    margin-bottom: 2px;
}

.contact-item p {
    margin: 0;
}

.contact-item:hover {
    background: var(--bg-card);
    border-color: var(--border);
    transform: translateX(4px);
}

.contact-icon {
    width: 48px;
    height: 48px;
    background: var(--accent-glow);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: var(--accent-light);
    flex-shrink: 0;
    transition: var(--transition-base);
}

.contact-item:hover .contact-icon {
    background: rgba(59, 130, 246, 0.2);
    transform: scale(1.1);
}

.contact-item .label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-dim);
    margin-bottom: 4px;
}

.contact-item a,
.contact-item p {
    color: var(--text);
    font-size: 0.95rem;
    transition: var(--transition-fast);
}

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

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

.social-links a {
    width: 44px;
    height: 44px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: var(--text-muted);
    transition: var(--transition-fast);
}

.social-links a:hover {
    background: var(--accent);
    border-color: var(--accent);
    color: white;
    transform: translateY(-4px) scale(1.05);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.3);
}

.contact-form-wrapper {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 40px;
    transition: var(--transition-base);
}

.contact-form-wrapper:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-glow);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-muted);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 14px 16px;
    background: var(--primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text);
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: var(--transition-fast);
    outline: none;
    resize: vertical;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-dim);
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2394a3b8' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
}

.form-group select option {
    background: var(--primary);
    color: var(--text);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    padding: 80px 0 30px;
    border-top: 1px solid var(--border);
    background: var(--primary);
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-glow), transparent);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-brand .logo {
    margin-bottom: 20px;
}

.footer-brand p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.7;
    max-width: 400px;
}

.footer-links h4 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 20px;
}

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

.footer-links a {
    color: var(--text-muted);
    font-size: 0.9rem;
    transition: var(--transition-fast);
    position: relative;
    padding-left: 0;
}

.footer-links a::before {
    content: '';
    position: absolute;
    left: -12px;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 0;
    border-top: 4px solid transparent;
    border-bottom: 4px solid transparent;
    border-left: 4px solid var(--accent);
    opacity: 0;
    transition: var(--transition-fast);
}

.footer-links a:hover {
    color: var(--accent-light);
    padding-left: 12px;
}

.footer-links a:hover::before {
    opacity: 1;
    left: 0;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 30px;
    border-top: 1px solid var(--border);
    font-size: 0.85rem;
    color: var(--text-dim);
}

.footer-bottom i {
    color: #ef4444;
    animation: heartbeat 2s ease-in-out infinite;
}

@keyframes heartbeat {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.15); }
}

/* ============================================
   SCROLL REVEAL ANIMATIONS
   ============================================ */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 1200px) {
    .about-grid { grid-template-columns: repeat(2, 1fr); }
    .methods-grid { grid-template-columns: repeat(2, 1fr); }
    .research-grid { grid-template-columns: repeat(2, 1fr); }
}

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

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: rgba(2, 6, 23, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 24px;
        gap: 4px;
        border-bottom: 1px solid var(--border);
        transform: translateY(-150%);
        transition: transform 0.4s ease;
    }

    .nav-links.active {
        transform: translateY(0);
    }

    .nav-links a {
        padding: 12px 16px;
        width: 100%;
        text-align: center;
    }

    .mobile-menu-btn {
        display: block;
    }

    .hero-stats {
        gap: 32px;
    }

    .about-grid { grid-template-columns: 1fr; }
    .methods-grid { grid-template-columns: 1fr; }
    .research-grid { grid-template-columns: 1fr; }
    .people-grid { grid-template-columns: 1fr; max-width: 500px; }
    .footer-grid { grid-template-columns: 1fr; gap: 40px; }

    .pub-item {
        flex-direction: column;
        gap: 16px;
    }

    .pub-year {
        width: 48px;
        height: 48px;
        font-size: 0.75rem;
    }

    .hero-cta {
        flex-direction: column;
        align-items: center;
    }

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

    .contact-form-wrapper {
        padding: 28px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .hero {
        padding: 100px 16px 60px;
    }

    .about, .research, .methods, .people, .publications, .contact {
        padding: 80px 0;
    }

    .section-header {
        margin-bottom: 40px;
    }

    .about-card, .method-card, .research-group {
        padding: 24px 20px;
    }

    .person-info {
        padding: 20px;
    }

    .contact-form-wrapper {
        padding: 20px;
    }
}

/* ============================================
   REDUCED MOTION
   ============================================ */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }
}


/* ============================================
   LAB FACILITIES PAGE
   ============================================ */

/* Page Header */
.page-header {
    position: relative;
    padding: 160px 24px 80px;
    background: var(--bg);
    overflow: hidden;
}

.page-header-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 30% 40%, rgba(59, 130, 246, 0.06) 0%, transparent 50%),
        radial-gradient(ellipse at 70% 60%, rgba(139, 92, 246, 0.04) 0%, transparent 50%),
        var(--bg);
    z-index: 0;
}

.page-header .noise-overlay {
    z-index: 1;
}

.page-header-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.page-header-content h1 {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.page-header-content p {
    font-size: 1.1rem;
    color: var(--text-muted);
    line-height: 1.7;
}

/* Lab Sections */
.lab-section {
    padding: 100px 0;
    position: relative;
}

.lab-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border), transparent);
}

.lab-section-alt {
    background: rgba(15, 23, 42, 0.3);
}

.lab-section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 60px;
}

.lab-section-header .lab-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--gradient-1), var(--gradient-2));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    color: white;
    margin: 0 auto 24px;
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.25);
}

.lab-section-header h2 {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 3vw, 2.4rem);
    font-weight: 700;
    margin-bottom: 16px;
}

.lab-section-header p {
    color: var(--text-muted);
    font-size: 1.05rem;
    line-height: 1.7;
}

/* Hardware Cards */
.lab-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
    max-width: 1100px;
    margin: 0 auto;
    justify-content: center;
}

.lab-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 32px;
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.lab-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--gradient-1), var(--gradient-2), var(--gradient-3));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.lab-card:hover {
    transform: translateY(-6px);
    border-color: var(--border-hover);
    box-shadow: var(--shadow-glow-strong);
}

.lab-card:hover::before {
    opacity: 1;
}

.lab-card-header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 24px;
}

.lab-card-header i {
    width: 44px;
    height: 44px;
    background: var(--accent-glow);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: var(--accent-light);
    flex-shrink: 0;
}

.lab-card-header h3 {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 600;
}

.lab-specs {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.lab-specs li {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
}

.lab-specs li:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.spec-label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-dim);
    flex-shrink: 0;
}

.spec-value {
    font-size: 0.9rem;
    color: var(--text);
    text-align: right;
    font-weight: 500;
}

/* Software Grid */
.software-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 1100px;
    margin: 0 auto;
}

.software-category {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 28px;
    transition: var(--transition-base);
}

.software-category:hover {
    transform: translateY(-4px);
    border-color: var(--border-hover);
    box-shadow: var(--shadow-glow);
}

.software-category h3 {
    font-family: var(--font-display);
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text);
}

.software-category h3 i {
    color: var(--accent-light);
    font-size: 1rem;
}

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

.sw-tag {
    padding: 6px 14px;
    background: rgba(59, 130, 246, 0.08);
    border: 1px solid rgba(59, 130, 246, 0.15);
    border-radius: 100px;
    font-size: 0.82rem;
    color: var(--text-muted);
    transition: var(--transition-fast);
    white-space: nowrap;
}

.sw-tag:hover {
    background: rgba(59, 130, 246, 0.15);
    border-color: rgba(59, 130, 246, 0.3);
    color: var(--text);
    transform: translateY(-1px);
}

/* Access Section */
.access-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 24px;
    max-width: 1000px;
    margin: 0 auto 40px;
}

.access-grid .access-card {
    flex: 1 1 280px;
    max-width: 450px;
}

.access-card:hover {
    transform: translateY(-6px);
    border-color: var(--border-hover);
    box-shadow: var(--shadow-glow-strong);
}

.access-card i {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--gradient-1), var(--gradient-2));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: white;
    margin: 0 auto 20px;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.25);
}

.access-card h3 {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.access-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
}

.access-cta {
    text-align: center;
    margin-top: 20px;
}

/* Lab Page Responsive */
@media (max-width: 992px) {
    .lab-grid { grid-template-columns: 1fr; max-width: 500px; }
    .software-grid { grid-template-columns: repeat(2, 1fr); }
    .access-grid { grid-template-columns: 1fr; max-width: 500px; }
}

@media (max-width: 768px) {
    .page-header { padding: 140px 16px 60px; }
    .lab-section { padding: 80px 0; }
    .software-grid { grid-template-columns: 1fr; }
    .lab-card, .software-category, .access-card { padding: 24px 20px; }
}


/* ============================================
   PUBLICATION SUPPORT PAGE
   ============================================ */

/* Approach Cards */
.approach-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 1100px;
    margin: 0 auto;
}

.approach-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 36px 28px;
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.approach-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, var(--gradient-1), var(--gradient-2));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.approach-card:hover {
    transform: translateY(-6px);
    border-color: var(--border-hover);
    box-shadow: var(--shadow-glow-strong);
}

.approach-card:hover::before {
    opacity: 1;
}

.approach-number {
    font-family: var(--font-display);
    font-size: 2.8rem;
    font-weight: 700;
    color: rgba(59, 130, 246, 0.12);
    line-height: 1;
    margin-bottom: 16px;
    transition: var(--transition-base);
}

.approach-card:hover .approach-number {
    color: rgba(59, 130, 246, 0.22);
}

.approach-card h3 {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.approach-card p {
    color: var(--text-muted);
    font-size: 0.92rem;
    line-height: 1.65;
}

/* Audience Cards */
.audience-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    max-width: 1100px;
    margin: 0 auto;
}

.audience-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 32px 24px;
    text-align: center;
    transition: var(--transition-base);
}

.audience-card:hover {
    transform: translateY(-6px);
    border-color: var(--border-hover);
    box-shadow: var(--shadow-glow-strong);
}

.audience-card i {
    width: 52px;
    height: 52px;
    background: linear-gradient(135deg, var(--gradient-1), var(--gradient-2));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: white;
    margin: 0 auto 18px;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.25);
}

.audience-card h3 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 10px;
}

.audience-card p {
    color: var(--text-muted);
    font-size: 0.88rem;
    line-height: 1.6;
}

/* Offerings List */
.offerings-list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.offering-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 24px 28px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: var(--transition-base);
}

.offering-item:hover {
    border-color: var(--border-hover);
    transform: translateX(8px);
    box-shadow: var(--shadow-md);
}

.offering-icon {
    width: 48px;
    height: 48px;
    background: var(--accent-glow);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: var(--accent-light);
    flex-shrink: 0;
    transition: var(--transition-base);
}

.offering-item:hover .offering-icon {
    background: rgba(59, 130, 246, 0.2);
    transform: scale(1.1);
}

.offering-content h4 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 6px;
}

.offering-content p {
    color: var(--text-muted);
    font-size: 0.92rem;
    line-height: 1.6;
}

/* Support CTA */
.support-cta {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
    padding: 40px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
}

.support-cta h2 {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.support-cta p {
    color: var(--text-muted);
    font-size: 1.05rem;
    line-height: 1.7;
    margin-bottom: 28px;
}

/* Publication Support Responsive */
@media (max-width: 992px) {
    .approach-grid { grid-template-columns: repeat(2, 1fr); }
    .audience-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .approach-grid { grid-template-columns: 1fr; max-width: 500px; }
    .audience-grid { grid-template-columns: 1fr; max-width: 500px; }
    .offering-item { flex-direction: column; gap: 16px; }
    .support-cta { padding: 28px 20px; }
}


/* ============================================
   THESIS GUIDELINES PAGE
   ============================================ */

/* Thesis Flow */
.thesis-flow {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    max-width: 1000px;
    margin: 0 auto;
    flex-wrap: wrap;
}

.flow-step {
    flex: 1;
    min-width: 160px;
    max-width: 200px;
    text-align: center;
    padding: 28px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    transition: var(--transition-base);
}

.flow-step:hover {
    transform: translateY(-6px);
    border-color: var(--border-hover);
    box-shadow: var(--shadow-glow-strong);
}

.flow-icon {
    width: 52px;
    height: 52px;
    background: linear-gradient(135deg, var(--gradient-1), var(--gradient-2));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: white;
    margin: 0 auto 16px;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.25);
}

.flow-step h4 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.flow-step p {
    color: var(--text-muted);
    font-size: 0.88rem;
    line-height: 1.6;
}

.flow-arrow {
    color: var(--accent);
    font-size: 1.2rem;
    opacity: 0.6;
    flex-shrink: 0;
}

/* Conditions List */
.conditions-list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.condition-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 24px 28px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: var(--transition-base);
}

.condition-item:hover {
    border-color: var(--border-hover);
    transform: translateX(8px);
    box-shadow: var(--shadow-md);
}

.condition-number {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--gradient-1), var(--gradient-2));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 0.9rem;
    font-weight: 700;
    color: white;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.25);
}

.condition-content h4 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 6px;
}

.condition-content p {
    color: var(--text-muted);
    font-size: 0.92rem;
    line-height: 1.6;
}

/* Thesis Responsive */
@media (max-width: 768px) {
    .thesis-flow { flex-direction: column; }
    .flow-arrow { transform: rotate(90deg); }
    .flow-step { max-width: 100%; width: 100%; }
    .condition-item { flex-direction: column; gap: 16px; }
}


/* ============================================
   PROJECT GUIDELINES PAGE
   ============================================ */

/* Scope Notice */
.scope-notice {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    align-items: flex-start;
    gap: 24px;
    padding: 32px;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.08), rgba(139, 92, 246, 0.05));
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: var(--radius-xl);
    position: relative;
    overflow: hidden;
}

.scope-notice::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, var(--gradient-1), var(--gradient-2));
}

.scope-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--gradient-1), var(--gradient-2));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: white;
    flex-shrink: 0;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.25);
}

.scope-content h3 {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 10px;
}

.scope-content p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.7;
}

.scope-content strong {
    color: var(--text);
}

/* Project Responsive */
@media (max-width: 768px) {
    .scope-notice {
        flex-direction: column;
        text-align: center;
        padding: 24px;
    }
    .scope-icon {
        margin: 0 auto;
    }
}


/* ============================================
   COMING SOON / MEMBERSHIP PAGE
   ============================================ */

.coming-soon {
    position: relative;
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 160px 24px 80px;
    overflow: hidden;
}

.coming-soon-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 50% 50%, rgba(59, 130, 246, 0.06) 0%, transparent 50%),
        var(--bg);
    z-index: 0;
}

.coming-soon .noise-overlay {
    z-index: 1;
}

.coming-soon-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 560px;
    margin: 0 auto;
}

.coming-soon-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--gradient-1), var(--gradient-2));
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
    margin: 0 auto 32px;
    box-shadow: 0 8px 30px rgba(59, 130, 246, 0.3);
    animation: pulseGlow 3s ease-in-out infinite;
}

@keyframes pulseGlow {
    0%, 100% { box-shadow: 0 8px 30px rgba(59, 130, 246, 0.3); }
    50% { box-shadow: 0 8px 40px rgba(59, 130, 246, 0.5); }
}

.coming-soon-content h1 {
    font-family: var(--font-display);
    font-size: clamp(2.2rem, 5vw, 3rem);
    font-weight: 700;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.coming-soon-content p {
    font-size: 1.1rem;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 12px;
}

.coming-soon-sub {
    font-size: 0.95rem;
    color: var(--text-dim);
    margin-bottom: 32px;
}

.coming-soon-content .btn {
    margin-top: 8px;
}

/* ============================================
   ORGANIC AESTHETIC ENHANCEMENTS
   ============================================ */

/* Spotlight effect on cards */
.about-card, .method-card, .research-group, .person-card, 
.pub-item, .lab-card, .approach-card {
    position: relative;
    overflow: hidden;
}

.about-card::after, .method-card::after, .research-group::after,
.person-card::after, .pub-item::after, .lab-card::after, .approach-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(
        600px circle at var(--spotlight-x, 50%) var(--spotlight-y, 50%),
        rgba(59, 130, 246, 0.06),
        transparent 40%
    );
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
    z-index: 1;
}

.about-card:hover::after, .method-card:hover::after, .research-group:hover::after,
.person-card:hover::after, .pub-item:hover::after, .lab-card:hover::after, .approach-card:hover::after {
    opacity: 1;
}

/* Smooth magnetic transition */
.btn, .person-links a, .social-links a, .contact-icon {
    transition: transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1), 
                background 0.3s ease, 
                border-color 0.3s ease, 
                box-shadow 0.3s ease;
}

/* Cursor glow — hide on touch devices */
@media (hover: hover) and (pointer: fine) {
    .cursor-glow {
        display: block;
    }
}

@media (hover: none) {
    .cursor-glow {
        display: none !important;
    }
}

/* Enhanced reveal animation */
.reveal {
    opacity: 0;
    transform: translateY(40px) scale(0.98);
    transition: opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.9s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0) scale(1);
}