:root {
    --primary-color: #0d6efd;
    --dark-overlay: rgba(0, 0, 0, 0.5);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    scroll-behavior: smooth;
}

.hero-section {
    height: 80vh;
    background: linear-gradient(var(--dark-overlay), var(--dark-overlay)), 
                url('https://images.unsplash.com/photo-1469854523086-cc02fe5d8800?auto=format&fit=crop&w=1920&q=80');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.destination-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    overflow: hidden;
}

.destination-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.15) !important;
}

.destination-card img {
    height: 250px;
    object-fit: cover;
}

.search-box {
    margin-top: -20px;
}

.navbar {
    transition: background-color 0.3s ease;
}

.nav-link {
    font-weight: 500;
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 1px;
}

.error-block {
    white-space: pre-line;
    font-size: 0.9rem;
    border-left: 4px solid #dc3545;
}

@media (max-width: 768px) {
    .hero-section {
        height: auto;
        padding: 100px 0;
    }
    .search-box {
        margin-top: 20px;
    }
}