/* Enhanced CSS with better visual design and feature badges */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-cyan: #06b6d4;
    --primary-blue: #0ea5e9;
    --dark-blue: #0c4a6e;
    --light-cyan: #67e8f9;
    --bg-gradient: linear-gradient(135deg, #0ea5e9 0%, #06b6d4 100%);
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #1e293b;
    background: #f8fafc;
}

/* Enhanced Header with glassmorphism */
header {
    background: var(--bg-gradient);
    color: white;
    padding: 3rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 120"><path d="M0,60 Q300,0 600,60 T1200,60 L1200,120 L0,120 Z" fill="rgba(255,255,255,0.1)"/></svg>') no-repeat bottom;
    background-size: cover;
    opacity: 0.3;
}

header h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    position: relative;
    z-index: 1;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
}

header p {
    font-size: 1.1rem;
    opacity: 0.95;
    position: relative;
    z-index: 1;
}

/* Stats Section */
.stats-section {
    background: white;
    padding: 2rem;
    margin: -2rem auto 2rem;
    max-width: 1200px;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    position: relative;
    z-index: 10;
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--primary-cyan);
    display: block;
}

.stat-label {
    color: #64748b;
    font-size: 0.9rem;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Search and Filter Section */
.search-section {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    margin-bottom: 2rem;
}

.search-box {
    width: 100%;
    padding: 1rem 1.5rem;
    font-size: 1.1rem;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    transition: all 0.3s;
}

.search-box:focus {
    outline: none;
    border-color: var(--primary-cyan);
    box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.1);
}

/* Filter and Sort Controls */
.controls-row {
    display: flex;
    gap: 2rem;
    margin-top: 1.5rem;
    flex-wrap: wrap;
}

.filter-group, .sort-group {
    flex: 1;
    min-width: 250px;
}

.filter-group h3, .sort-group h3 {
    font-size:0.9rem;
    color: #64748b;
    margin-bottom: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.filter-options {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.filter-options label {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: #f1f5f9;
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 0.9rem;
}

.filter-options label:hover {
    background: #e2e8f0;
}

.filter-options input[type="checkbox"] {
    accent-color: var(--primary-cyan);
}

.filter-options input[type="checkbox"]:checked + span {
    font-weight: 600;
}

.sort-group select {
    width: 100%;
    padding: 0.75rem;
    font-size: 1rem;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    background: white;
    cursor: pointer;
}

/* Parks Grid */
.parks-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

/* Enhanced Park Card */
.park-card {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    transition: all 0.3s;
    border: 1px solid #e2e8f0;
}

.park-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0,0,0,0.1);
    border-color: var(--primary-cyan);
}

.park-card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

.park-card h3 a {
    color: #0f172a;
    text-decoration: none;
    transition: color 0.2s;
}

.park-card h3 a:hover {
    color: var(--primary-cyan);
}

.park-location {
    color: #64748b;
    font-size: 0.95rem;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.park-location::before {
    content: '📍';
}

.park-type {
    color: #475569;
    font-size: 0.85rem;
    margin-bottom: 0.75rem;
}

/* Feature Badges */
.park-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.75rem;
}

.feature-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: linear-gradient(135deg, var(--primary-cyan), var(--primary-blue));
    color: white;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: capitalize;
    box-shadow: 0 2px 4px rgba(6, 182, 212, 0.2);
}

/* States Grid */
.states-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.state-card {
    background: white;
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    transition: all 0.3s;
    border: 1px solid #e2e8f0;
}

.state-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(0,0,0,0.1);
    border-color: var(--primary-blue);
}

.state-card h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.state-card h3 a {
    color: #0f172a;
    text-decoration: none;
}

.state-card h3 a:hover {
    color: var(--primary-blue);
}

.park-count {
    color: #64748b;
    font-size: 0.9rem;
}

/* Footer */
footer {
    background: #0f172a;
    color: #cbd5e1;
    padding: 3rem 0 1.5rem;
    margin-top: 4rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    text-align: center;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.footer-links a {
    color: #cbd5e1;
    text-decoration: none;
    transition: color 0.2s;
}

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

/* Responsive */
@media (max-width: 768px) {
    header h1 {
        font-size: 2rem;
    }
    
    .stats-section {
        grid-template-columns: 1fr;
        gap: 1rem;
        margin: -1rem 1rem 1rem;
    }
    
    .parks-grid {
        grid-template-columns: 1fr;
    }
    
    .controls-row {
        flex-direction: column;
    }
}