/* Homepage Tiles & Main Navigation */

.main-nav {
    background: #1a252f;
    border-bottom: 3px solid var(--secondary-color, #3498db);
}

.main-nav ul {
    display: flex;
    justify-content: center;
    list-style: none;
    margin: 0;
    padding: 0;
    flex-wrap: wrap;
    max-width: 1400px;
    margin: 0 auto;
}

.main-nav li a {
    display: block;
    padding: 0.85rem 1.25rem;
    color: white;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: background 0.2s ease;
}

.main-nav li a:hover,
.main-nav li a.active {
    background: var(--secondary-color, #3498db);
}

.homepage {
    max-width: 1200px;
}

.hero {
    text-align: center;
    padding: 2rem 1rem 1rem;
    background: none;
    box-shadow: none;
}

.hero h2 {
    border: none;
    font-size: 2.2rem;
    margin-bottom: 0.75rem;
}

.tiles {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.25rem;
    margin: 2rem 0;
}

@media (min-width: 640px) {
    .tiles {
        grid-template-columns: 1fr 1fr;
    }
}

@media (min-width: 1024px) {
    .tiles {
        grid-template-columns: 1fr 1fr 1fr 1fr;
    }
}

.tile {
    display: block;
    text-decoration: none;
    color: white;
    border-radius: 12px;
    min-height: 220px;
    padding: 1.75rem 1.5rem;
    position: relative;
    overflow: hidden;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    box-shadow: 0 4px 14px rgba(0,0,0,0.15);
}

.tile:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 24px rgba(0,0,0,0.2);
}

.tile-content {
    position: relative;
    z-index: 2;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}

.tile h3 {
    margin: 0 0 0.5rem 0;
    font-size: 1.5rem;
    color: white;
    border: none;
}

.tile p {
    margin: 0 0 1rem 0;
    opacity: 0.95;
    font-size: 0.95rem;
}

.tile-cta {
    font-weight: 700;
    font-size: 0.9rem;
    letter-spacing: 0.02em;
}

.tile-blog {
    background: linear-gradient(145deg, #2c3e50 0%, #34495e 100%);
}

.tile-gallery {
    background: linear-gradient(145deg, #1a5276 0%, #2980b9 100%);
}

.tile-calc {
    background: linear-gradient(145deg, #1e8449 0%, #27ae60 100%);
}

.tile-map {
    background: linear-gradient(145deg, #b9770e 0%, #f39c12 100%);
}

.feature-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

@media (min-width: 768px) {
    .feature-grid {
        grid-template-columns: 1fr 1fr 1fr;
    }
}

.feature {
    background: white;
    padding: 1.5rem;
    border-radius: 10px;
    box-shadow: var(--shadow, 0 2px 8px rgba(0,0,0,0.1));
}

.feature h4 {
    margin-top: 0;
    color: var(--primary-color, #2c3e50);
}

@media (max-width: 480px) {
    .tile {
        min-height: 180px;
        padding: 1.25rem;
    }
    .hero h2 {
        font-size: 1.7rem;
    }
}