/* ===== CSS Variables ===== */
:root {
    --primary: #0ea5e9;
    --primary-dark: #0284c7;
    --secondary: #10b981;
    --accent: #8b5cf6;
    --background: #0f172a;
    --surface: #1e293b;
    --surface-light: #334155;
    --text: #f1f5f9;
    --text-muted: #94a3b8;
    --text-dark: #64748b;
    --border: #334155;
    --gradient-1: linear-gradient(135deg, #0ea5e9 0%, #8b5cf6 100%);
    --gradient-2: linear-gradient(135deg, #10b981 0%, #0ea5e9 100%);
    --gradient-3: linear-gradient(135deg, #f59e0b 0%, #ef4444 100%);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -2px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -4px rgba(0, 0, 0, 0.3);
    --radius: 12px;
    --radius-lg: 24px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--background);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== Typography ===== */
h1, h2, h3, h4 {
    font-weight: 700;
    line-height: 1.2;
}

.section-title {
    font-family: 'Playfair Display', serif;
    font-size: clamp(2rem, 5vw, 3.5rem);
    margin-bottom: 1rem;
}

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(51, 65, 85, 0.5);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.25rem;
}

.logo-icon {
    font-size: 1.5rem;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: var(--primary);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

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

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

.hero-bg {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(14, 165, 233, 0.15), transparent),
        radial-gradient(ellipse 60% 40% at 80% 60%, rgba(139, 92, 246, 0.1), transparent),
        radial-gradient(ellipse 50% 30% at 20% 80%, rgba(16, 185, 129, 0.1), transparent);
    pointer-events: none;
}

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

.hero-badge {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(14, 165, 233, 0.1);
    border: 1px solid rgba(14, 165, 233, 0.3);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 24px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.hero-title {
    font-family: 'Playfair Display', serif;
    font-size: clamp(3rem, 8vw, 5.5rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 24px;
    background: linear-gradient(135deg, #fff 0%, #94a3b8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1.125rem, 2.5vw, 1.5rem);
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto 48px;
    line-height: 1.6;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 48px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

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

.stat-number {
    display: block;
    font-size: 3rem;
    font-weight: 800;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.hero-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 16px 32px;
    background: var(--gradient-1);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: transform 0.2s, box-shadow 0.2s;
}

.hero-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 40px rgba(14, 165, 233, 0.3);
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    animation: float 3s ease-in-out infinite;
}

.scroll-arrow {
    width: 24px;
    height: 24px;
    border-right: 2px solid var(--text-muted);
    border-bottom: 2px solid var(--text-muted);
    transform: rotate(45deg);
}

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

/* ===== Section Styles ===== */
.section {
    padding: 120px 0;
    position: relative;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 64px;
}

.section-tag {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(14, 165, 233, 0.1);
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 16px;
}

.section-desc {
    color: var(--text-muted);
    font-size: 1.125rem;
}

/* ===== Overview Section ===== */
.overview-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.overview-text .lead {
    font-size: 1.25rem;
    color: var(--text);
    margin-bottom: 24px;
    line-height: 1.7;
}

.overview-text p {
    color: var(--text-muted);
    margin-bottom: 16px;
}

.overview-highlights {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.highlight-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 16px;
    transition: transform 0.2s, box-shadow 0.2s;
}

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

.highlight-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.highlight-icon svg {
    width: 24px;
    height: 24px;
}

.highlight-icon.green { background: rgba(16, 185, 129, 0.15); }
.highlight-icon.green svg { stroke: #10b981; }
.highlight-icon.blue { background: rgba(14, 165, 233, 0.15); }
.highlight-icon.blue svg { stroke: #0ea5e9; }
.highlight-icon.purple { background: rgba(139, 92, 246, 0.15); }
.highlight-icon.purple svg { stroke: #8b5cf6; }
.highlight-icon.orange { background: rgba(245, 158, 11, 0.15); }
.highlight-icon.orange svg { stroke: #f59e0b; }

.highlight-value {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
}

.highlight-label {
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* ===== Methodology Section ===== */
.methodology {
    background: linear-gradient(180deg, var(--background) 0%, var(--surface) 100%);
}

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

.metric-card {
    background: rgba(30, 41, 59, 0.5);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: transform 0.3s, border-color 0.3s;
}

.metric-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary);
}

.metric-icon {
    width: 56px;
    height: 56px;
    background: var(--gradient-1);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.metric-icon svg {
    width: 28px;
    height: 28px;
    stroke: white;
}

.metric-card h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

.metric-card p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 16px;
}

.metric-weight {
    display: inline-block;
    padding: 6px 12px;
    background: rgba(14, 165, 233, 0.1);
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--primary);
}

/* ===== Rankings Section ===== */
.rankings {
    background: var(--surface);
}

.podium {
    display: flex;
    justify-content: center;
    align-items: flex-end;
    gap: 24px;
    margin-bottom: 64px;
    padding: 0 24px;
}

.podium-item {
    text-align: center;
    padding: 32px 48px;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    position: relative;
}

.podium-item.first {
    background: linear-gradient(180deg, rgba(245, 158, 11, 0.2) 0%, rgba(245, 158, 11, 0.05) 100%);
    border: 1px solid rgba(245, 158, 11, 0.3);
    border-bottom: none;
    padding-bottom: 80px;
}

.podium-item.second {
    background: linear-gradient(180deg, rgba(148, 163, 184, 0.2) 0%, rgba(148, 163, 184, 0.05) 100%);
    border: 1px solid rgba(148, 163, 184, 0.3);
    border-bottom: none;
    padding-bottom: 48px;
}

.podium-item.third {
    background: linear-gradient(180deg, rgba(180, 83, 9, 0.2) 0%, rgba(180, 83, 9, 0.05) 100%);
    border: 1px solid rgba(180, 83, 9, 0.3);
    border-bottom: none;
    padding-bottom: 32px;
}

.podium-flag {
    font-size: 3rem;
    margin-bottom: 8px;
}

.podium-rank {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.podium-item.first .podium-rank { color: #f59e0b; }
.podium-item.second .podium-rank { color: #94a3b8; }
.podium-item.third .podium-rank { color: #b45309; }

.podium-country {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.podium-score {
    font-size: 2rem;
    font-weight: 800;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===== Ranking Controls ===== */
.ranking-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
    gap: 24px;
    flex-wrap: wrap;
}

.search-box {
    display: flex;
    align-items: center;
    background: var(--background);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 12px 16px;
    gap: 12px;
    flex: 1;
    max-width: 400px;
}

.search-box svg {
    width: 20px;
    height: 20px;
    stroke: var(--text-muted);
}

.search-box input {
    background: none;
    border: none;
    outline: none;
    color: var(--text);
    font-size: 0.9rem;
    width: 100%;
}

.search-box input::placeholder {
    color: var(--text-dark);
}

.filter-buttons {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 20px;
    background: var(--background);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-muted);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.filter-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.filter-btn.active {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

/* ===== Rankings Table ===== */
.rankings-table-container {
    overflow-x: auto;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
}

.rankings-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.rankings-table th {
    background: var(--background);
    padding: 16px;
    text-align: left;
    font-weight: 600;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}

.rankings-table td {
    padding: 16px;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}

.rankings-table tr:last-child td {
    border-bottom: none;
}

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

.rankings-table tbody tr:hover {
    background: rgba(14, 165, 233, 0.05);
}

.rank-cell {
    font-weight: 700;
    color: var(--text-muted);
    width: 60px;
}

.country-cell {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 500;
}

.country-flag {
    font-size: 1.5rem;
}

.score-cell {
    font-weight: 700;
}

.score-high { color: #10b981; }
.score-medium { color: #f59e0b; }
.score-low { color: #ef4444; }

.change-positive {
    color: #10b981;
    font-weight: 600;
}

.change-negative {
    color: #ef4444;
    font-weight: 600;
}

.change-neutral {
    color: var(--text-muted);
}

.score-bar {
    width: 60px;
    height: 6px;
    background: var(--border);
    border-radius: 3px;
    overflow: hidden;
}

.score-bar-fill {
    height: 100%;
    background: var(--gradient-2);
    border-radius: 3px;
}

/* ===== Metrics Deep Dive ===== */
.metrics-section {
    background: var(--background);
}

.metrics-tabs {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 12px 24px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-muted);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.tab-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.tab-btn.active {
    background: var(--gradient-1);
    border-color: transparent;
    color: white;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.metric-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 48px;
    align-items: start;
}

.metric-detail-info h3 {
    font-size: 1.75rem;
    margin-bottom: 16px;
}

.metric-detail-info > p {
    color: var(--text-muted);
    margin-bottom: 32px;
}

.metric-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 32px;
}

.metric-stat {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    text-align: center;
}

.stat-value {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

.stat-unit {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 4px;
}

.stat-desc {
    display: block;
    font-size: 0.7rem;
    color: var(--text-dark);
    margin-top: 8px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.metric-detail-info h4 {
    font-size: 1rem;
    margin-bottom: 16px;
    color: var(--text-muted);
}

.top-performers {
    list-style: none;
    counter-reset: performer;
}

.top-performers li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--surface);
    border-radius: var(--radius);
    margin-bottom: 8px;
    counter-increment: performer;
}

.top-performers li::before {
    content: counter(performer);
    width: 24px;
    height: 24px;
    background: var(--gradient-1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
}

.top-performers .flag {
    font-size: 1.25rem;
}

.top-performers .score {
    margin-left: auto;
    font-weight: 700;
    color: var(--secondary);
}

.metric-detail-chart {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 24px;
    min-height: 400px;
}

/* ===== Regional Analysis ===== */
.regional {
    background: linear-gradient(180deg, var(--background) 0%, var(--surface) 100%);
}

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

.regional-grid > .regional-card:nth-child(4),
.regional-grid > .regional-card:nth-child(5) {
    grid-column: span 1;
}

.regional-card {
    background: rgba(30, 41, 59, 0.5);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 24px;
    transition: transform 0.3s;
}

.regional-card:hover {
    transform: translateY(-4px);
}

.regional-card.europe { border-top: 3px solid #3b82f6; }
.regional-card.asia { border-top: 3px solid #ef4444; }
.regional-card.americas { border-top: 3px solid #10b981; }
.regional-card.africa { border-top: 3px solid #f59e0b; }
.regional-card.middle-east { border-top: 3px solid #8b5cf6; }

.regional-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.regional-header h3 {
    font-size: 1.25rem;
}

.regional-score {
    font-size: 1.75rem;
    font-weight: 800;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.regional-chart {
    height: 180px;
    margin-bottom: 20px;
}

.regional-highlights p {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.regional-leaders {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.regional-leaders span {
    padding: 6px 12px;
    background: var(--background);
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

/* ===== Key Findings ===== */
.findings {
    background: var(--background);
}

.findings-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 64px;
}

.finding-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: transform 0.3s, border-color 0.3s;
}

.finding-card:hover {
    transform: translateY(-4px);
    border-color: var(--primary);
}

.finding-card.featured {
    grid-column: span 3;
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
    border-color: rgba(14, 165, 233, 0.3);
}

.finding-number {
    font-size: 3rem;
    font-weight: 800;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0.5;
    margin-bottom: 16px;
}

.finding-card h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

.finding-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* ===== CTA Section ===== */
.cta-section {
    text-align: center;
    padding: 64px;
    background: var(--surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
}

.cta-section h3 {
    font-size: 2rem;
    margin-bottom: 16px;
}

.cta-section p {
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto 32px;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: var(--radius);
    font-weight: 600;
    text-decoration: none;
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn-primary {
    background: var(--gradient-1);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 40px rgba(14, 165, 233, 0.3);
}

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

.btn-secondary:hover {
    border-color: var(--primary);
    color: var(--primary);
}

/* ===== Footer ===== */
.footer {
    background: var(--surface);
    border-top: 1px solid var(--border);
    padding: 64px 0 32px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.25rem;
    margin-bottom: 16px;
}

.footer-brand p {
    color: var(--text-muted);
    font-size: 0.9rem;
    max-width: 300px;
}

.footer-links h4 {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: var(--primary);
}

.footer-bottom {
    padding-top: 32px;
    border-top: 1px solid var(--border);
    text-align: center;
}

.footer-bottom p {
    color: var(--text-dark);
    font-size: 0.85rem;
}

/* ===== Responsive Design ===== */
@media (max-width: 1200px) {
    .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .findings-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .finding-card.featured {
        grid-column: span 2;
    }
    
    .regional-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 1024px) {
    .overview-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .metric-detail-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background: var(--surface);
        padding: 24px;
        gap: 16px;
        border-bottom: 1px solid var(--border);
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero-stats {
        gap: 24px;
    }
    
    .stat-number {
        font-size: 2.25rem;
    }
    
    .metrics-grid {
        grid-template-columns: 1fr;
    }
    
    .podium {
        flex-direction: column;
        align-items: center;
    }
    
    .podium-item {
        width: 100%;
        max-width: 280px;
        border-radius: var(--radius-lg);
    }
    
    .podium-item.first,
    .podium-item.second,
    .podium-item.third {
        padding: 32px;
        border: 1px solid var(--border);
    }
    
    .ranking-controls {
        flex-direction: column;
    }
    
    .search-box {
        max-width: 100%;
    }
    
    .metrics-tabs {
        justify-content: flex-start;
        overflow-x: auto;
        padding-bottom: 8px;
        flex-wrap: nowrap;
    }
    
    .tab-btn {
        white-space: nowrap;
    }
    
    .metric-stats {
        grid-template-columns: 1fr;
    }
    
    .findings-grid {
        grid-template-columns: 1fr;
    }
    
    .finding-card.featured {
        grid-column: span 1;
    }
    
    .regional-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .cta-section {
        padding: 32px;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    .section {
        padding: 80px 0;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .overview-highlights {
        grid-template-columns: 1fr;
    }
    
    .filter-buttons {
        width: 100%;
        overflow-x: auto;
        flex-wrap: nowrap;
        padding-bottom: 8px;
    }
    
    .filter-btn {
        white-space: nowrap;
    }
}

/* ===== Utilities ===== */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}