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

:root {
    --primary: #000000;
    --primary-light: #171717;
    --accent: #3B82F6;
    --accent-light: #60A5FA;
    --bg-primary: #FFFFFF;
    --bg-secondary: #FAFAFA;
    --bg-tertiary: #F5F5F5;
    --border: #E5E5E5;
    --border-light: #F0F0F0;
    --text-primary: #171717;
    --text-secondary: #525252;
    --text-tertiary: #A3A3A3;
    --success: #22C55E;
    --warning: #F59E0B;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.08);
    --transition: all 0.2s ease;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    line-height: 1.6;
    font-size: 15px;
    -webkit-font-smoothing: antialiased;
}

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-light);
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: var(--text-primary);
}

.logo-icon {
    font-size: 20px;
    color: var(--accent);
}

.logo-text {
    font-size: 16px;
    font-weight: 600;
    letter-spacing: -0.3px;
}

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

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
}

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.nav-actions .btn-lang {
    padding: 6px 12px;
    background: transparent;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.nav-actions .btn-lang:hover {
    color: var(--text-primary);
    border-color: var(--text-secondary);
}

.nav-actions .btn-nav {
    padding: 8px 16px;
    background: var(--primary);
    color: white;
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.nav-actions .btn-nav:hover {
    background: var(--primary-light);
    transform: translateY(-1px);
}

.main-content {
    padding-top: 64px;
    min-height: calc(100vh - 200px);
}

.hero-section {
    padding: 120px 24px 80px;
    text-align: center;
    background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
}

.hero-content {
    max-width: 680px;
    margin: 0 auto;
}

.hero-title {
    font-size: 64px;
    font-weight: 700;
    letter-spacing: -2px;
    margin-bottom: 8px;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-tagline {
    font-size: 24px;
    color: var(--text-secondary);
    font-weight: 400;
    margin-bottom: 24px;
    letter-spacing: -0.5px;
}

.hero-description {
    font-size: 17px;
    color: var(--text-tertiary);
    line-height: 1.7;
    margin-bottom: 40px;
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    align-items: center;
}

.btn-outline {
    padding: 12px 28px;
    border: 1px solid var(--border);
    background: var(--bg-primary);
    color: var(--text-primary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.btn-outline:hover {
    border-color: var(--text-tertiary);
    box-shadow: var(--shadow-sm);
}

.btn-text {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
}

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

.btn-primary {
    padding: 12px 24px;
    background: var(--primary);
    color: white;
    border: none;
    font-size: 14px;
    font-weight: 500;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
}

.btn-primary:hover {
    background: var(--primary-light);
    transform: translateY(-1px);
}

.featured-section {
    padding: 80px 24px;
    max-width: 1200px;
    margin: 0 auto;
}

.section-header {
    margin-bottom: 48px;
}

.section-header h2 {
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-tertiary);
    margin-bottom: 8px;
}

.section-subtitle {
    font-size: 28px;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.content-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.content-card {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px;
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.content-card:hover {
    border-color: var(--text-tertiary);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.content-card.featured {
    grid-column: span 2;
    background: linear-gradient(135deg, #FAFAFA 0%, #FFFFFF 100%);
}

.content-card.coming-soon {
    opacity: 0.7;
}

.content-card.coming-soon:hover {
    transform: none;
    cursor: default;
}

.card-badge {
    display: inline-block;
    padding: 4px 10px;
    background: var(--accent);
    color: white;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: var(--radius-sm);
    margin-bottom: 16px;
}

.card-badge.soon {
    background: var(--text-tertiary);
}

.card-icon {
    font-size: 32px;
    margin-bottom: 16px;
}

.content-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
    letter-spacing: -0.3px;
}

.content-card p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 16px;
}

.card-meta {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.tag {
    padding: 4px 10px;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    font-size: 12px;
    font-weight: 500;
    border-radius: var(--radius-sm);
}

.mini-chart {
    margin-top: 24px;
    height: 80px;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.mini-chart canvas {
    width: 100% !important;
    height: 100% !important;
}

.insight-preview {
    padding: 80px 24px;
    background: var(--bg-secondary);
}

.insight-preview .section-header {
    max-width: 1200px;
    margin: 0 auto 48px;
}

.insight-cards {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.insight-item {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px;
    text-align: center;
}

.insight-number {
    font-size: 48px;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: -2px;
    margin-bottom: 8px;
}

.insight-item p {
    font-size: 14px;
    color: var(--text-secondary);
}

.newsletter-section {
    padding: 80px 24px;
    text-align: center;
}

.newsletter-content {
    max-width: 480px;
    margin: 0 auto;
}

.newsletter-content h2 {
    font-size: 28px;
    font-weight: 600;
    margin-bottom: 12px;
    letter-spacing: -0.5px;
}

.newsletter-content > p {
    font-size: 15px;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.newsletter-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 12px;
}

.newsletter-form input[type="email"] {
    width: 100%;
    padding: 14px 18px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-size: 14px;
    font-family: inherit;
    transition: var(--transition);
}

.newsletter-form input[type="email"]:focus {
    outline: none;
    border-color: var(--text-tertiary);
}

.consent-checkboxes {
    display: flex;
    flex-direction: column;
    gap: 8px;
    text-align: left;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    font-size: 13px;
    color: var(--text-secondary);
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: 16px;
    height: 16px;
    margin-top: 2px;
    accent-color: var(--accent);
    cursor: pointer;
}

.privacy-notice {
    font-size: 12px;
    color: var(--text-tertiary);
    background: var(--bg-tertiary);
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    text-align: left;
}

.newsletter-form .btn-primary {
    width: 100%;
    padding: 14px 24px;
}

.subscribe-message {
    margin-top: 12px;
    font-size: 14px;
    font-weight: 500;
}

.subscribe-message.success {
    color: var(--success);
}

.subscribe-message.error {
    color: #EF4444;
}

.newsletter-note {
    font-size: 13px;
    color: var(--text-tertiary);
}

.about-preview {
    padding: 80px 24px;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-light);
}

.about-content {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.about-content h2 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 16px;
    letter-spacing: -0.3px;
}

.about-content p {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 24px;
}

.footer {
    padding: 48px 24px;
    background: var(--bg-primary);
    border-top: 1px solid var(--border-light);
    text-align: center;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
}

.footer-brand {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 8px;
    font-weight: 600;
}

.footer-tagline {
    color: var(--text-tertiary);
    font-size: 14px;
    margin-bottom: 24px;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-bottom: 24px;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    transition: var(--transition);
}

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

.footer-copyright {
    font-size: 13px;
    color: var(--text-tertiary);
}

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

.page-header {
    text-align: center;
    padding: 80px 24px 48px;
    background: var(--bg-secondary);
}

.page-header h1 {
    font-size: 40px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
    letter-spacing: -1px;
}

.page-header p {
    font-size: 17px;
    color: var(--text-secondary);
}

.park-selector {
    max-width: 1200px;
    margin: 0 auto;
    padding: 32px 24px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.park-selector label {
    font-weight: 500;
    color: var(--text-primary);
}

.select-input {
    flex: 1;
    max-width: 300px;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-size: 14px;
    font-family: inherit;
    background: var(--bg-primary);
    cursor: pointer;
    transition: var(--transition);
}

.select-input:focus {
    outline: none;
    border-color: var(--text-tertiary);
}

.charts-grid {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px 48px;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.chart-card {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 24px;
    min-height: 350px;
}

.chart-card.full-width {
    grid-column: span 2;
}

.chart-card h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.chart-card canvas {
    max-height: 280px;
    min-height: 200px;
}

.park-insights {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px 48px;
}

.insight-card {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 24px;
}

.insight-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--accent);
}

.insight-card ul {
    list-style: none;
}

.insight-card li {
    padding: 8px 0;
    border-bottom: 1px solid var(--border-light);
    font-size: 14px;
}

.insight-card li:last-child {
    border-bottom: none;
}

.insights-hub {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px 80px;
}

.topic-filter {
    display: flex;
    gap: 12px;
    margin-bottom: 40px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border);
    flex-wrap: wrap;
}

.topic-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
}

.topic-btn:hover:not(.disabled) {
    border-color: var(--text-tertiary);
    color: var(--text-primary);
}

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

.topic-btn.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.topic-icon {
    font-size: 18px;
}

.soon-label {
    font-size: 10px;
    padding: 2px 6px;
    background: var(--text-tertiary);
    color: white;
    border-radius: 4px;
    text-transform: uppercase;
}

.topic-content {
    display: none;
}

.topic-content.active {
    display: block;
}

.topic-header {
    margin-bottom: 32px;
}

.topic-header h2 {
    font-size: 28px;
    font-weight: 600;
    margin-bottom: 8px;
    letter-spacing: -0.5px;
}

.topic-header p {
    color: var(--text-secondary);
    font-size: 16px;
    margin-bottom: 16px;
}

.coming-soon-content {
    text-align: center;
    padding: 80px 24px;
}

.coming-soon-icon {
    font-size: 64px;
    margin-bottom: 24px;
}

.coming-soon-badge {
    display: inline-block;
    padding: 8px 16px;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: var(--radius-sm);
    margin-top: 16px;
}

.key-findings {
    margin-top: 48px;
}

.key-findings h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.insights-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-bottom: 24px;
}

.chart-description {
    margin-top: 16px;
    padding: 16px;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    font-size: 14px;
    color: var(--text-primary);
}

.summary-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 48px 24px;
}

.summary-section h2 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 24px;
}

.findings-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.finding-card {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 24px;
}

.finding-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--accent);
}

.finding-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.data-hub {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px 80px;
}

.data-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.data-header h2 {
    font-size: 20px;
    font-weight: 600;
    letter-spacing: -0.3px;
}

.data-source-toggle {
    display: flex;
    gap: 8px;
}

.source-btn {
    padding: 8px 16px;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
}

.source-btn:hover {
    border-color: var(--text-tertiary);
}

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

.trend-data-section {
    display: none;
}

.trend-data-section.active {
    display: block;
}

.data-controls {
    max-width: 1200px;
    margin: 0 auto;
    padding: 32px 24px;
    text-align: right;
}

.data-table-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow-x: auto;
}

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

.data-table thead {
    background: var(--bg-secondary);
}

.data-table th {
    padding: 14px 16px;
    text-align: left;
    font-weight: 600;
    font-size: 12px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border);
}

.data-table td {
    padding: 14px 16px;
    font-size: 14px;
    border-bottom: 1px solid var(--border-light);
}

.data-table tbody tr:hover {
    background: var(--bg-secondary);
}

.pagination {
    max-width: 1200px;
    margin: 0 auto;
    padding: 32px 24px;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 16px;
}

.pagination span {
    color: var(--text-secondary);
    font-size: 14px;
}

.btn-secondary {
    padding: 10px 20px;
    background: var(--bg-primary);
    color: var(--text-primary);
    border: 1px solid var(--border);
    font-size: 14px;
    font-weight: 500;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
}

.btn-secondary:hover:not(:disabled) {
    border-color: var(--text-tertiary);
}

.btn-secondary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.about-content-page {
    max-width: 800px;
    margin: 0 auto;
    padding: 48px 24px 80px;
}

.about-card {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px;
    margin-bottom: 24px;
}

.about-card h2 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 16px;
    letter-spacing: -0.3px;
}

.about-card p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 12px;
}

.source-list, .roadmap-list {
    list-style: none;
}

.source-list li, .roadmap-list li {
    padding: 10px 0;
    padding-left: 20px;
    position: relative;
    color: var(--text-secondary);
    font-size: 14px;
    border-bottom: 1px solid var(--border-light);
}

.source-list li:last-child, .roadmap-list li:last-child {
    border-bottom: none;
}

.source-list li::before, .roadmap-list li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--accent);
}

.link-list {
    list-style: none;
}

.link-list li {
    margin: 12px 0;
}

.external-link {
    color: var(--accent);
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
    transition: var(--transition);
}

.external-link:hover {
    color: var(--accent-light);
}

.analysis-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-top: 16px;
}

.analysis-item {
    padding: 20px;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
}

.analysis-item h3 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--accent);
}

.analysis-item p {
    font-size: 13px;
    margin: 0;
}

.tech-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 16px;
}

.tech-badge {
    padding: 8px 14px;
    background: var(--text-primary);
    color: white;
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-weight: 500;
}

/* Temperature Reference Card */
.temp-reference {
    max-width: 1200px;
    margin: 40px auto;
    padding: 0 24px;
}

.reference-card {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-sm);
}

.reference-card h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.temp-table {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.temp-row {
    display: grid;
    grid-template-columns: 150px 140px 1fr;
    gap: 16px;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    align-items: center;
}

.temp-row.header {
    background: var(--bg-tertiary);
    font-weight: 600;
    font-size: 13px;
    color: var(--text-secondary);
}

.temp-row.very-cold {
    background: linear-gradient(90deg, rgba(147, 197, 253, 0.2) 0%, transparent 100%);
    border-left: 3px solid #93C5FD;
}

.temp-row.cold {
    background: linear-gradient(90deg, rgba(96, 165, 250, 0.2) 0%, transparent 100%);
    border-left: 3px solid #60A5FA;
}

.temp-row.cool {
    background: linear-gradient(90deg, rgba(34, 197, 94, 0.15) 0%, transparent 100%);
    border-left: 3px solid #22C55E;
}

.temp-row.mild {
    background: linear-gradient(90deg, rgba(16, 185, 129, 0.15) 0%, transparent 100%);
    border-left: 3px solid #10B981;
}

.temp-row.warm {
    background: linear-gradient(90deg, rgba(251, 146, 60, 0.15) 0%, transparent 100%);
    border-left: 3px solid #FB923C;
}

.temp-row.hot {
    background: linear-gradient(90deg, rgba(239, 68, 68, 0.15) 0%, transparent 100%);
    border-left: 3px solid #EF4444;
}

.temp-label {
    font-weight: 600;
    font-size: 14px;
    color: var(--text-primary);
}

.temp-range {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    font-family: 'SF Mono', Monaco, Consolas, monospace;
}

.temp-desc {
    font-size: 13px;
    color: var(--text-tertiary);
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    padding: 8px;
    background: transparent;
    border: none;
    cursor: pointer;
    gap: 5px;
    order: 3;
}

.hamburger-line {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition);
}

.mobile-menu-btn.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.active .hamburger-line:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: flex;
    }

    .nav-container {
        flex-wrap: wrap;
        position: relative;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 16px 24px;
        gap: 0;
        border-bottom: 1px solid var(--border);
        box-shadow: var(--shadow-md);
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links li {
        border-bottom: 1px solid var(--border-light);
    }

    .nav-links li:last-child {
        border-bottom: none;
    }

    .nav-links a {
        display: block;
        padding: 14px 0;
        font-size: 15px;
    }

    .nav-actions {
        order: 2;
        margin-left: auto;
    }

    .nav-actions .btn-nav {
        display: none;
    }

    .hero-title {
        font-size: 40px;
    }

    .hero-tagline {
        font-size: 18px;
    }

    .content-grid {
        grid-template-columns: 1fr;
    }

    .content-card.featured {
        grid-column: span 1;
    }

    .insight-cards {
        grid-template-columns: 1fr;
    }

    .charts-grid, .insights-grid, .findings-grid {
        grid-template-columns: 1fr;
    }

    .chart-card.full-width {
        grid-column: span 1;
    }

    .newsletter-form {
        flex-direction: column;
    }

    .hero-cta {
        flex-direction: column;
    }

    .analysis-grid {
        grid-template-columns: 1fr;
    }

    .temp-row {
        grid-template-columns: 1fr;
        gap: 4px;
    }

    .temp-row.header {
        display: none;
    }

    .temp-range {
        font-size: 12px;
    }

    .temp-desc {
        font-size: 12px;
    }

}

.footer-datasource {
    font-size: 0.82rem;
    color: #777;
    margin-top: 6px;
}