/* National Parks Close-To-Me - Park Green Design System */

:root {
    /* Primary Colors - NPS-inspired palette */
    --park-forest: #1a472a;
    --park-pine: #2d5a3d;
    --park-sage: #4a7c59;
    --park-meadow: #6b9b7a;
    
    /* Accent Colors */
    --park-gold: #c9a227;
    --park-amber: #d4a84b;
    --park-sunset: #e8a54d;
    
    /* Neutrals */
    --park-paper: #f5f2eb;
    --park-cream: #faf8f3;
    --park-stone: #e8e4db;
    --park-bark: #4d4639;
    --park-charcoal: #2d2d2d;
    
    /* Semantic */
    --text-primary: var(--park-charcoal);
    --text-secondary: #5c5c5c;
    --text-muted: #8c8c8c;
    --bg-primary: var(--park-cream);
    --bg-secondary: var(--park-paper);
    --border-color: #ddd;
    
    /* Region badge colors */
    --region-pacific: #1e88e5;
    --region-rocky: #5d4e37;
    --region-southwest: #d84315;
    --region-southeast: #2e7d32;
    --region-northeast: #5c6bc0;
    --region-midwest: #ffa000;
    --region-alaska: #00838f;
    --region-hawaii: #e91e63;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-display: 'Outfit', var(--font-primary);
    
    /* Shadows */
    --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);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    
    /* Border radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
}

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

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

body {
    font-family: var(--font-primary);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.3;
    color: var(--park-forest);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

a {
    color: var(--park-forest);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--park-sage);
}

/* Layout */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* Header */
.site-header {
    background: linear-gradient(135deg, var(--park-forest) 0%, var(--park-pine) 100%);
    color: white;
    padding: var(--spacing-lg) 0;
    box-shadow: var(--shadow-md);
}

.site-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.site-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.site-title:hover {
    color: var(--park-gold);
}

.site-nav {
    display: flex;
    gap: var(--spacing-lg);
}

.site-nav a {
    color: rgba(255,255,255,0.9);
    font-weight: 500;
    padding: var(--spacing-sm) 0;
    border-bottom: 2px solid transparent;
    transition: all var(--transition-fast);
}

.site-nav a:hover {
    color: white;
    border-bottom-color: var(--park-gold);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--park-forest) 0%, var(--park-pine) 50%, var(--park-sage) 100%);
    color: white;
    padding: var(--spacing-2xl) 0;
    text-align: center;
}

.hero h1 {
    color: white;
    margin-bottom: var(--spacing-md);
    font-size: 3rem;
}

.hero p {
    font-size: 1.25rem;
    opacity: 0.95;
    max-width: 600px;
    margin: 0 auto;
}

/* Search Box */
.search-container {
    max-width: 500px;
    margin: var(--spacing-xl) auto 0;
}

.search-box {
    display: flex;
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.search-box input {
    flex: 1;
    padding: var(--spacing-md) var(--spacing-lg);
    border: none;
    font-size: 1rem;
    outline: none;
}

.search-box button {
    background: var(--park-gold);
    color: var(--park-forest);
    border: none;
    padding: var(--spacing-md) var(--spacing-lg);
    font-weight: 600;
    cursor: pointer;
    transition: background var(--transition-fast);
}

.search-box button:hover {
    background: var(--park-amber);
}

/* Park Cards */
.parks-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-xl);
    padding: var(--spacing-xl) 0;
}

.park-card {
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    display: flex;
    flex-direction: column;
}

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

.park-card-image {
    height: 200px;
    background-size: cover;
    background-position: center;
    position: relative;
}

.park-card-image::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: linear-gradient(transparent, rgba(0,0,0,0.4));
}

.park-card-content {
    padding: var(--spacing-lg);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.park-card h3 {
    margin-bottom: var(--spacing-sm);
}

.park-card .location {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-md);
}

.park-card .summary {
    color: var(--text-secondary);
    font-size: 0.95rem;
    flex: 1;
    margin-bottom: var(--spacing-md);
}

.park-card .stats {
    display: flex;
    gap: var(--spacing-lg);
    font-size: 0.85rem;
    color: var(--text-muted);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
}

/* Region Badge */
.region-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: white;
}

.region-badge.pacific { background: var(--region-pacific); }
.region-badge.rocky-mountains { background: var(--region-rocky); }
.region-badge.southwest { background: var(--region-southwest); }
.region-badge.southeast { background: var(--region-southeast); }
.region-badge.northeast { background: var(--region-northeast); }
.region-badge.midwest { background: var(--region-midwest); }
.region-badge.alaska { background: var(--region-alaska); }
.region-badge.hawaii { background: var(--region-hawaii); }

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
}

.stat-card {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    text-align: center;
    box-shadow: var(--shadow-sm);
}

.stat-card .value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--park-forest);
    font-family: var(--font-display);
}

.stat-card .label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: var(--spacing-xs);
}

/* Detail Page */
.park-hero {
    height: 400px;
    background-size: cover;
    background-position: center;
    position: relative;
    display: flex;
    align-items: flex-end;
}

.park-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(transparent 50%, rgba(0,0,0,0.7));
}

.park-hero-content {
    position: relative;
    color: white;
    padding: var(--spacing-xl);
    width: 100%;
}

.park-hero h1 {
    color: white;
    margin-bottom: var(--spacing-sm);
}

.park-hero .meta {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
    opacity: 0.9;
}

/* Info Sections */
.info-section {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
}

.info-section h2 {
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--park-gold);
}

/* Highlights List */
.highlights-list {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.highlights-list li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
}

.highlights-list li::before {
    content: '✓';
    color: var(--park-sage);
    font-weight: bold;
}

/* Activity Tags */
.activity-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.activity-tag {
    background: var(--park-paper);
    color: var(--park-forest);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    border: 1px solid var(--border-color);
}

/* Interactive Map */
.map-container {
    height: 400px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    margin: var(--spacing-xl) 0;
}

#park-map {
    height: 100%;
    width: 100%;
}

/* Footer */
.site-footer {
    background: var(--park-forest);
    color: rgba(255,255,255,0.9);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
    margin-top: var(--spacing-2xl);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    text-align: center;
}

.footer-links {
    margin-bottom: var(--spacing-lg);
}

.footer-links a {
    color: rgba(255,255,255,0.8);
    margin: 0 var(--spacing-md);
    transition: color var(--transition-fast);
}

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

.footer-content p {
    font-size: 0.9rem;
    opacity: 0.7;
    margin-top: var(--spacing-sm);
}

/* Breadcrumbs */
.breadcrumbs {
    padding: var(--spacing-md) 0;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.breadcrumbs a {
    color: var(--text-secondary);
}

.breadcrumbs a:hover {
    color: var(--park-forest);
}

.breadcrumbs span {
    margin: 0 var(--spacing-sm);
    opacity: 0.5;
}

/* States Grid */
.states-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.state-card {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-fast);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.state-card:hover {
    transform: translateX(4px);
    box-shadow: var(--shadow-md);
    background: var(--park-paper);
}

.state-card .count {
    background: var(--park-forest);
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 600;
}

/* Responsive */
@media (max-width: 768px) {
    h1 { font-size: 2rem; }
    .hero h1 { font-size: 2.25rem; }
    
    .site-header .container {
        flex-direction: column;
        text-align: center;
    }
    
    .site-nav {
        gap: var(--spacing-md);
    }
    
    .parks-grid {
        grid-template-columns: 1fr;
    }
    
    .park-hero {
        height: 300px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Google Fonts Import */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Outfit:wght@500;600;700&display=swap');