/* ===== CUSTOM STYLES ===== */

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Navbar scroll state */
#navbar.scrolled {
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(12px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.2);
}

/* Nav link underline on hover */
.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: #2dd4bf;
    transition: width 0.2s ease;
}

.nav-link:hover::after {
    width: 100%;
}

/* Mobile menu transitions */
#mobileMenu {
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Room card hover */
.room-card {
    transform: translateY(0);
}

.room-card:hover {
    transform: translateY(-4px);
}

/* Amenity card hover */
.amenity-card {
    transform: translateY(0);
}

.amenity-card:hover {
    transform: translateY(-4px);
}

/* Gallery items */
.gallery-item {
    cursor: pointer;
}

.gallery-item::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(15, 23, 42, 0.3), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
    border-radius: inherit;
}

.gallery-item:hover::after {
    opacity: 1;
}

/* Scroll reveal animations (below-fold only, progressive enhancement) */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 1;
        transform: translateY(0);
        transition: opacity 0.6s ease, transform 0.6s ease;
    }
    
    .reveal-hidden {
        opacity: 0;
        transform: translateY(24px);
        transition: opacity 0.6s ease, transform 0.6s ease;
    }
    
    .reveal-hidden.is-visible {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Ensure all images have smooth loading */
img {
    loading: lazy;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #0f172a;
}

::-webkit-scrollbar-thumb {
    background: #14b8a6;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #2dd4bf;
}

/* Focus styles for accessibility */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 2px solid #14b8a6;
    outline-offset: 2px;
}

/* Mobile menu link */
.mobile-link {
    display: block;
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.mobile-link:last-child {
    border-bottom: none;
}

/* Input date styling */
input[type="date"] {
    color-scheme: light;
}

/* Prevent layout shift on image load */
.room-card img,
.gallery-item img,
#about img {
    will-change: transform;
}