/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2563eb;
    --secondary-color: #1e40af;
    --accent-color: #3b82f6;
    --text-color: #1f2937;
    --text-light: #6b7280;
    --background-color: #ffffff;
    --card-bg: #f8fafc;
    --border-color: #e5e7eb;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --info-color: #06b6d4;
    --purple-color: #8b5cf6;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background-color);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Loading Screen */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    color: white;
}

.loading-content {
    text-align: center;
    max-width: 400px;
}

.loading-icon {
    margin-bottom: 2rem;
    animation: bounce 2s infinite;
}

.loading-bar {
    width: 100%;
    height: 6px;
    background: rgba(255,255,255,0.3);
    border-radius: 3px;
    margin: 2rem 0;
    overflow: hidden;
}

.loading-progress {
    height: 100%;
    background: white;
    border-radius: 3px;
    width: 0%;
    transition: width 0.3s ease;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

/* Header */
.header {
    background: var(--background-color);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

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

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

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

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: color 0.3s;
}

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

.nav-stats {
    background: var(--primary-color);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
}

/* Hero Section */
.hero {
    height: 100vh;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    position: relative;
    overflow: hidden;
    margin-top: 60px;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    animation: fadeInUp 1s ease;
}

.hero-content p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    animation: fadeInUp 1s ease 0.2s both;
}

.cta-button {
    background: white;
    color: var(--primary-color);
    border: none;
    padding: 1rem 2rem;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 50px;
    cursor: pointer;
    transition: transform 0.3s, box-shadow 0.3s;
    animation: fadeInUp 1s ease 0.4s both;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
}

/* Cloud Animation */
.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.cloud {
    position: absolute;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    animation: float 20s infinite linear;
}

.cloud:nth-child(1) {
    width: 100px;
    height: 40px;
    top: 20%;
    left: -100px;
    animation-delay: 0s;
}

.cloud:nth-child(2) {
    width: 150px;
    height: 60px;
    top: 60%;
    left: -150px;
    animation-delay: 5s;
}

.cloud:nth-child(3) {
    width: 80px;
    height: 30px;
    top: 40%;
    left: -80px;
    animation-delay: 10s;
}

/* Sections */
section {
    padding: 5rem 0;
}

section:nth-child(even) {
    background-color: var(--card-bg);
}

h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--text-color);
}

/* Flight Planner */
.planner-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 3rem;
}

.input-section {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.input-group {
    margin-bottom: 1.5rem;
}

.input-hint {
    font-size: 0.8rem;
    color: var(--text-light);
    margin-top: 0.25rem;
}

.input-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-color);
}

label i {
    margin-right: 0.5rem;
    color: var(--primary-color);
}

input, select {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s;
}

input:focus, select:focus {
    outline: none;
    border-color: var(--primary-color);
}

.calculate-btn {
    width: 100%;
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 1rem;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.3s;
}

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

/* Results Section */
.results-section {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.results-card, .weather-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.results-card h3, .weather-card h3 {
    margin-bottom: 1.5rem;
    color: var(--primary-color);
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 0.5rem;
}

.result-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
}

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

.result-item.safety {
    font-weight: 600;
    padding: 1rem;
    border-radius: 8px;
    margin-top: 0.5rem;
}

.result-item.safety.safe {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
}

.result-item.safety.warning {
    background-color: rgba(245, 158, 11, 0.1);
    color: var(--warning-color);
}

.result-item.safety.danger {
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--danger-color);
}

.label {
    font-weight: 500;
}

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

/* Map Container */
.map-container {
    background: white;
    padding: 0;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    overflow: hidden;
    margin-bottom: 2rem;
}

.map-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--border-color);
    background: var(--card-bg);
}

.map-header h3 {
    margin: 0;
    color: var(--primary-color);
    font-size: 1.5rem;
}

.map-controls {
    display: flex;
    gap: 0.5rem;
}

.map-control-btn {
    background: white;
    border: 2px solid var(--border-color);
    border-radius: 6px;
    padding: 0.5rem 0.75rem;
    cursor: pointer;
    transition: all 0.3s ease;
    color: var(--text-color);
}

.map-control-btn:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.flight-map {
    height: 500px;
    width: 100%;
    border-radius: 0 0 15px 15px;
}

/* Leaflet overrides */
.leaflet-container {
    background: #f8f9fa;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.leaflet-popup-content-wrapper {
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.leaflet-popup-content {
    margin: 1rem;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.airport-popup {
    text-align: center;
    min-width: 200px;
}

.airport-popup h4 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.airport-popup .airport-code {
    font-size: 1.25rem;
    font-weight: bold;
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
}

.airport-popup .airport-details {
    color: var(--text-light);
    font-size: 0.9rem;
    line-height: 1.4;
}

/* Map Legend */
.map-legend {
    position: absolute;
    bottom: 20px;
    left: 20px;
    background: white;
    padding: 1rem;
    border-radius: 8px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.2);
    z-index: 1000;
    border: 1px solid var(--border-color);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.5rem;
}

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

.legend-color {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 2px solid white;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.legend-color.route-line {
    width: 30px;
    height: 4px;
    border-radius: 2px;
    background: var(--primary-color);
}

.legend-color.departure-marker {
    background: var(--success-color);
}

.legend-color.destination-marker {
    background: var(--danger-color);
}

.legend-color.alternate-marker {
    background: var(--purple-color);
}

.legend-item span {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-color);
}

/* Flight info overlay */
.flight-info-overlay {
    position: absolute;
    top: 80px;
    right: 20px;
    background: white;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.2);
    z-index: 1000;
    border: 1px solid var(--border-color);
    min-width: 250px;
}

.flight-info-overlay h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 0.5rem;
}

.flight-info-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
    padding: 0.25rem 0;
}

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

.flight-info-label {
    color: var(--text-light);
    font-weight: 500;
}

.flight-info-value {
    font-weight: 600;
    color: var(--text-color);
}

/* Weather Section */
.weather-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 2rem;
}

.weather-card.large {
    grid-column: span 1;
}

.weather-input {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.weather-input input {
    flex: 1;
}

.weather-input button {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.weather-input button:hover {
    background: var(--secondary-color);
}

.weather-data {
    min-height: 200px;
    line-height: 1.8;
}

/* Airport Database Section */
.database-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.stat-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
    border: 1px solid var(--border-color);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-light);
    font-weight: 500;
}

/* Search Box */
.search-box {
    position: relative;
    max-width: 600px;
    margin: 0 auto 2rem;
}

.search-box input {
    width: 100%;
    padding: 1rem 3rem 1rem 1.5rem;
    border: 2px solid var(--border-color);
    border-radius: 50px;
    font-size: 1.1rem;
    transition: border-color 0.3s, box-shadow 0.3s;
}

.search-box input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.search-box i {
    position: absolute;
    right: 1.5rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-light);
}

/* Search Filters */
.search-filters {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
}

.search-filters select, .search-filters button {
    padding: 0.75rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    background: white;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.search-filters select:focus, .search-filters button:focus {
    outline: none;
    border-color: var(--primary-color);
}

#nearby-airports-btn, #export-airports-btn {
    background: var(--info-color);
    color: white;
    border: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
}

#nearby-airports-btn:hover, #export-airports-btn:hover {
    background: #0891b2;
    transform: translateY(-1px);
}

/* Search Results Header */
.search-results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding: 1rem 0;
    border-bottom: 2px solid var(--border-color);
}

#results-count {
    font-weight: 600;
    color: var(--text-color);
}

.sort-btn {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    padding: 0.5rem 1rem;
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

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

/* Airport Cards Grid */
.airports-results {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.airport-card {
    background: white;
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.airport-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
}

.airport-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
    border-color: var(--primary-color);
}

.airport-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 0.75rem;
}

.airport-code {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
    font-family: 'Courier New', monospace;
}

/* Airport Type Badges */
.airport-type-badge {
    padding: 0.35rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.airport-type-badge.large_airport {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
}

.airport-type-badge.medium_airport {
    background: linear-gradient(135deg, var(--accent-color), #2563eb);
    color: white;
}

.airport-type-badge.small_airport {
    background: linear-gradient(135deg, var(--success-color), #059669);
    color: white;
}

.airport-type-badge.heliport {
    background: linear-gradient(135deg, var(--warning-color), #d97706);
    color: white;
}

.airport-type-badge.seaplane_base {
    background: linear-gradient(135deg, #8b5cf6, #7c3aed);
    color: white;
}

.airport-type-badge.balloonport {
    background: linear-gradient(135deg, #ec4899, #db2777);
    color: white;
}

.airport-type-badge.closed {
    background: linear-gradient(135deg, var(--danger-color), #dc2626);
    color: white;
}

.airport-name {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 0.5rem;
    line-height: 1.4;
}

.airport-location {
    color: var(--text-light);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
}

.airport-location i {
    color: var(--primary-color);
}

.airport-details {
    background: var(--card-bg);
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
}

.detail-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.25rem 0;
    font-size: 0.9rem;
}

.detail-item .label {
    color: var(--text-light);
    font-weight: 500;
}

.detail-item .value {
    font-weight: 600;
    color: var(--text-color);
    font-family: 'Courier New', monospace;
}

.airport-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
}

.select-airport-btn {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    padding: 0.75rem 0.5rem;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.8rem;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
    text-align: center;
}

.select-airport-btn:hover {
    background: linear-gradient(135deg, var(--secondary-color), #1e3a8a);
    transform: translateY(-1px);
}

.select-airport-btn.departure {
    background: linear-gradient(135deg, var(--success-color), #059669);
}

.select-airport-btn.destination {
    background: linear-gradient(135deg, var(--danger-color), #dc2626);
}

/* Load More Button */
.load-more-container {
    text-align: center;
    margin-top: 2rem;
}

.load-more-btn {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.load-more-btn:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
}

/* No Results State */
.no-results {
    text-align: center;
    padding: 3rem 2rem;
    color: var(--text-light);
    grid-column: 1 / -1;
}

.no-results i {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--border-color);
    opacity: 0.5;
}

.no-results h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-light);
}

.no-results p {
    font-size: 1rem;
    opacity: 0.8;
}

/* Custom marker styles */
.custom-marker {
    background: white;
    border: 3px solid;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.marker-departure {
    border-color: var(--success-color);
    color: var(--success-color);
}

.marker-destination {
    border-color: var(--danger-color);
    color: var(--danger-color);
}

.marker-alternate {
    border-color: var(--purple-color);
    color: var(--purple-color);
}

.marker-departure::after {
    content: 'D';
}

.marker-destination::after {
    content: 'A';
}

.marker-alternate::after {
    content: 'ALT';
    font-size: 0.6em;
}

/* Footer */
.footer {
    background: var(--text-color);
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-section h3, .footer-section h4 {
    margin-bottom: 1rem;
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: #d1d5db;
    text-decoration: none;
    transition: color 0.3s;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #374151;
    color: #9ca3af;
}

/* ==========================================================================
   ANIMATIONS
   ========================================================================== */

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

@keyframes float {
    from {
        transform: translateX(-100px);
    }
    to {
        transform: translateX(calc(100vw + 100px));
    }
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ==========================================================================
   RESPONSIVE DESIGN
   ========================================================================== */

@media (max-width: 1200px) {
    .container {
        max-width: 100%;
        padding: 0 30px;
    }
    
    .airports-results {
        grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    }
}

@media (max-width: 768px) {
    .navbar {
        flex-direction: column;
        gap: 1rem;
        padding: 1rem;
    }

    .nav-links {
        gap: 1rem;
        flex-wrap: wrap;
        justify-content: center;
    }

    .nav-stats {
        order: -1;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .planner-container {
        grid-template-columns: 1fr;
    }

    .input-row {
        grid-template-columns: 1fr;
    }

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

    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .container {
        padding: 0 15px;
    }

    /* Enhanced mobile styles */
    .search-filters {
        flex-direction: column;
        align-items: stretch;
    }

    .search-filters select, .search-filters button {
        width: 100%;
        justify-content: center;
    }

    .airports-results {
        grid-template-columns: 1fr;
    }

    .airport-header {
        flex-direction: column;
        gap: 0.5rem;
        align-items: flex-start;
    }

    .airport-type-badge {
        align-self: flex-start;
    }

    .airport-actions {
        grid-template-columns: 1fr;
    }

    section {
        padding: 3rem 0;
    }

    h2 {
        font-size: 2rem;
        margin-bottom: 2rem;
    }

    /* Map responsive */
    .map-header {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }

    .flight-map {
        height: 400px;
    }

    .map-legend {
        position: relative;
        bottom: auto;
        left: auto;
        margin: 1rem;
        width: calc(100% - 2rem);
    }

    .flight-info-overlay {
        position: relative;
        top: auto;
        right: auto;
        margin: 1rem;
        width: calc(100% - 2rem);
    }

    .database-stats {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 2rem;
    }

    .hero-content p {
        font-size: 1rem;
    }

    .cta-button {
        padding: 0.75rem 1.5rem;
        font-size: 1rem;
    }

    .input-section, .results-card, .weather-card {
        padding: 1.5rem;
    }

    .airport-card {
        padding: 1rem;
    }

    .airport-code {
        font-size: 1.25rem;
    }

    .airport-name {
        font-size: 1rem;
    }

    .database-stats {
        grid-template-columns: 1fr;
    }

    .stat-card {
        padding: 1.5rem;
    }

    .stat-number {
        font-size: 2rem;
    }
}

/* Print Styles */
@media print {
    .header, .footer, .cta-button, .select-airport-btn {
        display: none;
    }

    .hero {
        height: auto;
        margin-top: 0;
    }

    .planner-container {
        break-inside: avoid;
    }

    .airport-card {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ccc;
    }
}