/* ULTRA-ADVANCED THESIS DESIGN - IMAGE-BASED PLOTS */

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

:root {
    --primary: #0a0e27;
    --secondary: #1a1f3a;
    --accent: #6366f1;
    --highlight: #ec4899;
    --success: #10b981;
    --warning: #f59e0b;
    
    --text: #1e293b;
    --text-light: #64748b;
    --text-lighter: #94a3b8;
    
    --bg: #ffffff;
    --bg-alt: #f8fafc;
    --bg-dark: #0f172a;
    
    --font-heading: 'Crimson Pro', Georgia, serif;
    --font-body: 'Work Sans', system-ui, sans-serif;
    --font-mono: 'Fira Code', monospace;
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);
    --shadow-xl: 0 16px 40px rgba(0,0,0,0.15);
    
    --gradient-1: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    --gradient-2: linear-gradient(135deg, #ec4899 0%, #f43f5e 100%);
    --gradient-3: linear-gradient(135deg, #10b981 0%, #14b8a6 100%);
}

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

body {
    font-family: var(--font-body);
    line-height: 1.7;
    color: var(--text);
    background: var(--bg);
    overflow-x: hidden;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* PARTICLE BACKGROUND */
.particle-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    opacity: 0.4;
}

/* NAVIGATION */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0,0,0,0.05);
    transition: all 0.3s;
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.brand-logo {
    width: 40px;
    height: 40px;
    color: var(--accent);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.8; transform: scale(1.05); }
}

.brand-text {
    display: flex;
    flex-direction: column;
}

.brand-title {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--primary);
}

.brand-subtitle {
    font-size: 0.75rem;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
    transition: color 0.3s;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-1);
    transition: width 0.3s;
}

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

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

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-toggle span {
    width: 24px;
    height: 2px;
    background: var(--primary);
    transition: all 0.3s;
}

/* HERO */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: linear-gradient(135deg, #0a0e27 0%, #1a1f3a 50%, #2d1b69 100%);
}

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

.wave-container {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 200px;
    overflow: hidden;
}

.wave {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    animation: wave 10s linear infinite;
}

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

.hero-container {
    position: relative;
    z-index: 1;
    text-align: center;
    color: white;
    padding: 4rem 2rem;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 1px;
    backdrop-filter: blur(10px);
    margin-bottom: 2rem;
    animation: fadeInDown 1s ease-out;
}

@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

.badge-icon {
    font-size: 1.2rem;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 6vw, 5rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    animation: fadeInUp 1s ease-out 0.2s both;
}

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

.title-line {
    display: block;
    position: relative;
}

.title-line.highlight {
    background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.4rem);
    opacity: 0.9;
    margin-bottom: 3rem;
    animation: fadeInUp 1s ease-out 0.4s both;
}

.hero-meta-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    max-width: 900px;
    margin: 0 auto 3rem;
    animation: fadeInUp 1s ease-out 0.6s both;
}

.meta-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-md);
    backdrop-filter: blur(10px);
    transition: all 0.3s;
}

.meta-card:hover {
    background: rgba(255,255,255,0.1);
    transform: translateY(-3px);
}

.meta-icon {
    font-size: 2rem;
}

.meta-content {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
}

.meta-label {
    font-size: 0.75rem;
    opacity: 0.7;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.meta-value {
    font-size: 1rem;
    font-weight: 600;
}

.hero-stats {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    flex-wrap: wrap;
    margin-bottom: 3rem;
    animation: fadeInUp 1s ease-out 0.8s both;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.9rem;
    opacity: 0.8;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: rgba(255,255,255,0.2);
}

.hero-cta-group {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease-out 1s both;
}

.cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    transition: all 0.3s;
}

.cta-btn.primary {
    background: white;
    color: var(--primary);
    box-shadow: 0 4px 16px rgba(255,255,255,0.2);
}

.cta-btn.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255,255,255,0.3);
}

.cta-btn.secondary {
    background: rgba(255,255,255,0.1);
    color: white;
    border: 2px solid rgba(255,255,255,0.3);
    backdrop-filter: blur(10px);
}

.cta-btn.secondary:hover {
    background: rgba(255,255,255,0.2);
}

.scroll-prompt {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: rgba(255,255,255,0.6);
    font-size: 0.85rem;
    animation: bounce 2s infinite;
}

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

.mouse {
    width: 24px;
    height: 40px;
    border: 2px solid rgba(255,255,255,0.3);
    border-radius: 12px;
    position: relative;
}

.wheel {
    width: 4px;
    height: 8px;
    background: rgba(255,255,255,0.5);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0% { transform: translateX(-50%) translateY(0); opacity: 1; }
    100% { transform: translateX(-50%) translateY(20px); opacity: 0; }
}

/* SECTIONS */
.section {
    padding: 6rem 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-tag {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--accent);
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 1rem;
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 1rem;
}

.section-desc {
    font-size: 1.1rem;
    color: var(--text-light);
}

/* RICH CARDS */
.rich-card {
    background: white;
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    margin-bottom: 2rem;
    border-left: 4px solid var(--accent);
    transition: all 0.3s;
}

.rich-card:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-4px);
}

.rich-card.highlight {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    border-left-color: var(--warning);
}

.card-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
}

.card-icon.gradient-1 {
    background: var(--gradient-1);
}

.card-icon.gradient-2 {
    background: var(--gradient-2);
}

.rich-card h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 1rem;
}

.rich-card p {
    margin-bottom: 1rem;
    line-height: 1.8;
}

/* PROBLEM GRID */
.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.problem-card {
    padding: 1.5rem;
    background: var(--bg-alt);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--highlight);
    transition: all 0.3s;
}

.problem-card:hover {
    background: #fce7f3;
    transform: translateX(5px);
}

.problem-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.problem-card h4 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.problem-card p {
    font-size: 0.95rem;
    color: var(--text-light);
    margin: 0;
}

/* ADVANTAGE LIST */
.advantage-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 1.5rem;
}

.advantage-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.adv-num {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-2);
    color: white;
    font-weight: 700;
    border-radius: 50%;
}

.advantage-item strong {
    display: block;
    margin-bottom: 0.25rem;
    color: var(--primary);
}

.advantage-item p {
    margin: 0;
    font-size: 0.95rem;
}

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

.timeline::before {
    content: '';
    position: absolute;
    left: 40px;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(to bottom, var(--accent), var(--highlight));
}

.timeline-item {
    display: flex;
    gap: 2rem;
    margin-bottom: 3rem;
    position: relative;
}

.timeline-marker {
    flex-shrink: 0;
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: white;
    border: 4px solid var(--accent);
    border-radius: 50%;
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent);
    box-shadow: var(--shadow-md);
    z-index: 1;
}

.timeline-content {
    flex: 1;
    background: white;
    padding: 1.5rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    border-left: 3px solid var(--accent);
}

.timeline-content h4 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.timeline-content p {
    font-size: 0.95rem;
    color: var(--text-light);
    margin: 0;
}

/* METHOD SHOWCASE */
.method-showcase {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.method-box {
    background: white;
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.method-box h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 1.5rem;
    border-bottom: 2px solid var(--accent);
    padding-bottom: 0.5rem;
}

.model-grid {
    display: grid;
    gap: 1rem;
}

.model-chip {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-alt);
    border-radius: var(--radius-sm);
    transition: all 0.3s;
}

.model-chip:hover {
    background: #e0e7ff;
    transform: translateX(5px);
}

.model-chip.highlight {
    background: linear-gradient(135deg, #fef3c7, #fde68a);
    border: 2px solid var(--warning);
}

.chip-badge {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary);
    color: white;
    font-family: var(--font-mono);
    font-weight: 700;
    border-radius: var(--radius-sm);
}

.model-chip.highlight .chip-badge {
    background: var(--gradient-1);
}

.chip-name {
    font-weight: 600;
    color: var(--text);
}

.feature-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.feature-tag {
    padding: 0.75rem 1.25rem;
    background: var(--primary);
    color: white;
    font-family: var(--font-mono);
    font-weight: 600;
    border-radius: var(--radius-sm);
    font-size: 1rem;
    transition: all 0.3s;
}

.feature-tag:hover {
    background: var(--accent);
    transform: translateY(-2px);
}

/* PLOTS SECTION - IMAGE BASED */
.plots-section {
    background: linear-gradient(to bottom, var(--bg), var(--bg-alt));
}

.instructions-box {
    background: linear-gradient(135deg, #eff6ff, #dbeafe);
    border: 2px solid var(--accent);
    border-radius: var(--radius-lg);
    padding: 2rem;
    margin-bottom: 3rem;
    box-shadow: var(--shadow-md);
}

.instruction-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    border-bottom: 2px solid var(--accent);
    padding-bottom: 1rem;
}

.instruction-header .icon {
    font-size: 2rem;
}

.instruction-header h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    margin: 0;
}

.instruction-content p {
    margin-bottom: 1rem;
    font-size: 1rem;
    color: var(--text);
}

.instruction-content strong {
    color: var(--primary);
}

.instruction-content ol {
    margin-left: 1.5rem;
    margin-bottom: 1.5rem;
}

.instruction-content li {
    margin-bottom: 0.75rem;
    line-height: 1.7;
}

.instruction-content code {
    background: rgba(99, 102, 241, 0.1);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--accent);
}

.plots-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 2rem;
}

.plot-card {
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    border: 1px solid rgba(0,0,0,0.05);
    transition: all 0.4s;
}

.plot-card:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-6px);
}

.plot-card.full-width {
    grid-column: 1 / -1;
}

.plot-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    border-bottom: 2px solid var(--bg-alt);
}

.plot-header h3 {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary);
    margin: 0;
}

.plot-badge {
    padding: 0.5rem 1rem;
    background: var(--gradient-1);
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.plot-image-container {
    position: relative;
    width: 100%;
    overflow: hidden;
    background: var(--bg-alt);
}

.plot-img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.3s ease;
}

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

.plot-caption {
    padding: 1.5rem 2rem;
    background: var(--bg-alt);
}

.plot-caption p {
    font-size: 0.95rem;
    color: var(--text-light);
    line-height: 1.7;
    margin: 0;
}

/* METRICS TABLE */
.metrics-table-container {
    background: white;
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    margin-top: 3rem;
}

.metrics-table-container h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 1.5rem;
}

.table-wrapper {
    overflow-x: auto;
}

.metrics-table {
    width: 100%;
    border-collapse: collapse;
}

.metrics-table thead {
    background: var(--primary);
    color: white;
}

.metrics-table th {
    padding: 1rem;
    text-align: left;
    font-weight: 600;
}

.metrics-table td {
    padding: 1rem;
    border-bottom: 1px solid var(--bg-alt);
}

.metrics-table tbody tr {
    transition: background 0.2s;
}

.metrics-table tbody tr:hover {
    background: var(--bg-alt);
}

.metrics-table tbody tr.best {
    background: linear-gradient(to right, #fef3c7, transparent);
    font-weight: 600;
}

/* RESULTS */
.results-hero {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.result-card {
    background: white;
    padding: 2.5rem;
    border-radius: var(--radius-xl);
    text-align: center;
    box-shadow: var(--shadow-lg);
    border-top: 6px solid var(--accent);
    transition: all 0.4s;
}

.result-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-xl);
}

.result-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.result-value {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 900;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.result-label {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 0.5rem;
}

.result-desc {
    font-size: 0.9rem;
    color: var(--text-light);
}

/* INSIGHTS */
.insights-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 2rem;
}

.insight-card {
    background: white;
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.insight-card h3 {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 1.5rem;
    border-bottom: 2px solid var(--accent);
    padding-bottom: 0.5rem;
}

.rank-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.rank-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    padding: 1rem;
    background: var(--bg-alt);
    border-radius: var(--radius-sm);
    transition: all 0.3s;
}

.rank-item:hover {
    background: #e0e7ff;
    transform: translateX(5px);
}

.rank {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-1);
    color: white;
    font-weight: 700;
    border-radius: 50%;
}

.rank-content strong {
    display: block;
    margin-bottom: 0.25rem;
    color: var(--primary);
}

.rank-content p {
    font-size: 0.95rem;
    color: var(--text-light);
    margin: 0;
}

.comparison-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.comp-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.comp-name {
    flex-shrink: 0;
    width: 140px;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text);
}

.comp-bar {
    flex: 1;
    height: 32px;
    background: var(--bg-alt);
    border-radius: var(--radius-sm);
    overflow: hidden;
    position: relative;
}

.comp-bar .bar {
    height: 100%;
    background: var(--gradient-1);
    transition: width 1s ease-out;
}

.comp-item.highlight .bar {
    background: var(--gradient-3);
}

.comp-value {
    flex-shrink: 0;
    width: 80px;
    text-align: right;
    font-weight: 700;
    color: var(--text);
}

/* IMPACT */
.impact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.impact-card {
    background: white;
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: all 0.4s;
}

.impact-card:hover {
    transform: translateY(-8px) rotate(1deg);
    box-shadow: var(--shadow-xl);
}

.impact-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-3);
    color: white;
    font-size: 2rem;
    border-radius: 50%;
    margin: 0 auto 1rem;
}

.impact-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 1rem;
}

.impact-card p {
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--text-light);
}

.application-boxes {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 2rem;
}

.app-box {
    background: white;
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.app-box h3 {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 1.5rem;
    border-bottom: 2px solid var(--accent);
    padding-bottom: 0.5rem;
}

.app-box ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.app-box li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 1rem;
    line-height: 1.7;
}

.app-box li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: 700;
}

/* FOOTER */
.footer {
    background: var(--bg-dark);
    color: white;
    padding: 3rem 0 1.5rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-col h4 {
    color: white;
    margin-bottom: 1rem;
}

.footer-col p {
    color: rgba(255,255,255,0.7);
    margin-bottom: 0.5rem;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-links a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 1.5rem;
    color: rgba(255,255,255,0.5);
    font-size: 0.9rem;
}

/* ANIMATIONS */
[data-aos] {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

[data-aos].aos-animate {
    opacity: 1;
    transform: translateY(0);
}

/* RESPONSIVE */
@media (max-width: 1024px) {
    .plots-grid {
        grid-template-columns: 1fr;
    }
    
    .plot-card.full-width {
        grid-column: 1;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 2rem;
        box-shadow: var(--shadow-lg);
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .mobile-toggle {
        display: flex;
    }
    
    .mobile-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translateY(10px);
    }
    
    .mobile-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translateY(-10px);
    }
    
    .hero-meta-grid,
    .method-showcase,
    .insights-grid,
    .application-boxes {
        grid-template-columns: 1fr;
    }
    
    .timeline::before {
        left: 20px;
    }
    
    .timeline-marker {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
    
    .plots-grid {
        grid-template-columns: 1fr;
    }
}

@media print {
    .navbar,
    .scroll-prompt,
    .footer,
    .instructions-box {
        display: none;
    }
}