/* Base & Typography */
html {
    scroll-behavior: smooth;
}

body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Scroll Reveal — progressive enhancement, hidden by default */
.scroll-reveal {
    opacity: 1;
    transform: none;
    transition: opacity 0.6s ease, transform 0.6s ease;
}

@media (prefers-reduced-motion: no-preference) {
    .scroll-reveal.is-visible {
        opacity: 1;
        transform: translateY(0);
    }
}

.scroll-reveal {
    transform: translateY(24px);
}

@media (prefers-reduced-motion: no-preference) {
    .scroll-reveal {
        transform: translateY(24px);
        transition: opacity 0.6s ease, transform 0.6s ease;
    }
}

/* Navbar scroll state */
.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 50%;
    width: 0;
    height: 2px;
    background: currentColor;
    border-radius: 9999px;
    transform: translateX(-50%);
    transition: width 0.2s ease;
}

.nav-link:hover::after {
    width: 60%;
}

/* 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='%237B2D3B' stroke-width='2.5' 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;
}

/* Subtle card hover glow */
.group:hover .group-hover\:bg-burgundy-800 {
    background-color: #7B2D3B;
}

/* Smooth focus outlines for accessibility */
*:focus-visible {
    outline: 2px solid #F49AAD;
    outline-offset: 2px;
    border-radius: 0.5rem;
}

/* Mobile menu animation */
#mobile-menu {
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Navbar transition */
#navbar {
    transition: background-color 0.3s ease, box-shadow 0.3s ease, padding 0.3s ease;
}

#navbar.scrolled {
    background-color: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 20px rgba(123, 45, 59, 0.08);
}

/* Back to top button */
#back-to-top {
    transition: opacity 0.3s ease, transform 0.3s ease, background-color 0.2s ease, box-shadow 0.2s ease;
}

#back-to-top.visible {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

#back-to-top:not(.visible) {
    opacity: 0;
    pointer-events: none;
    transform: translateY(16px);
}

/* Print styles */
@media print {
    nav, #back-to-top, .scroll-reveal { display: none; }
    body { color: #000; background: #fff; }
    a { color: #7B2D3B; }
}