/* Custom styles for Driftwood Auction Co. */

/* Smooth scroll offset for fixed header */
html {
    scroll-padding-top: 80px;
}

/* Skip link */
.skip-link {
    position: absolute;
    top: -100%;
    left: 1rem;
    z-index: 100;
    padding: 0.75rem 1.5rem;
    background: #0f2644;
    color: #88dbbe;
    border-radius: 0 0 0.5rem 0.5rem;
    font-weight: 600;
    text-decoration: none;
    transition: top 0.2s;
}
.skip-link:focus {
    top: 0;
}

/* Header transition */
#header {
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
}
#header.scrolled {
    background-color: rgba(9, 25, 46, 0.98);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

/* Navigation link underline animation */
.nav-link {
    position: relative;
}
.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: #4ec49d;
    transition: all 0.2s ease;
    transform: translateX(-50%);
}
.nav-link:hover::after {
    width: 60%;
}

/* Mobile nav link */
.mobile-nav-link {
    border-radius: 0.75rem;
}

/* Custom select arrow */
select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

/* Back to top button */
#back-to-top.visible {
    opacity: 1;
    pointer-events: all;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    html {
        scroll-behavior: auto;
    }
    .reveal {
        opacity: 1 !important;
        transform: none !important;
    }
}

/* Scroll reveal animations (progressive enhancement) */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* Card hover glow */
.group:hover .group-hover\:bg-mint-400\/15 {
    background-color: rgba(78, 196, 157, 0.15);
}

/* Image aspect ratio fallbacks */
.aspect-\[4\/5\] {
    aspect-ratio: 4 / 5;
}
.aspect-\[3\/4\] {
    aspect-ratio: 3 / 4;
}
.aspect-\[4\/3\] {
    aspect-ratio: 4 / 3;
}
.aspect-\[3\/2\] {
    aspect-ratio: 3 / 2;
}