/* ============================================
   MD Nails — Custom Styles
   ============================================ */

*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: 'DM Sans', system-ui, sans-serif;
    color: #2a2320;
    background-color: #fdfcfa;
    overflow-x: hidden;
}

/* Skip link */
.skip-link {
    position: absolute;
    top: -100%;
    left: 1rem;
    background: #de522e;
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 0 0 0.5rem 0.5rem;
    z-index: 9999;
    font-weight: 600;
    text-decoration: none;
    transition: top 0.2s;
}
.skip-link:focus {
    top: 0;
}

/* ============================================
   Navigation
   ============================================ */
#site-header {
    background: rgba(253, 252, 250, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(42, 35, 32, 0.06);
}

#site-header.scrolled {
    background: rgba(253, 252, 250, 0.95);
    box-shadow: 0 1px 20px rgba(42, 35, 32, 0.06);
}

.nav-link {
    position: relative;
}
.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: #de522e;
    transition: width 0.3s ease;
}
.nav-link:hover::after {
    width: 100%;
}

/* ============================================
   Mobile Menu
   ============================================ */
.mobile-menu {
    transition: opacity 0.3s ease, visibility 0.3s ease;
}
.mobile-menu.open {
    opacity: 1;
    pointer-events: all;
}
.mobile-menu.closed {
    opacity: 0;
    pointer-events: none;
}

.mobile-menu-link {
    position: relative;
}

/* ============================================
   Hero
   ============================================ */
.hero-accent-line {
    background: linear-gradient(90deg, #e87352, #c93d1e);
}

/* ============================================
   Service Cards
   ============================================ */
.service-card {
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 16px;
    border: 1px solid rgba(42, 35, 32, 0.06);
    pointer-events: none;
    transition: border-color 0.5s ease;
}

.service-card:hover::before {
    border-color: transparent;
}

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

.gallery-item img {
    transition: transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* ============================================
   Scroll Reveal (progressive enhancement)
   ============================================ */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(32px);
        transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
                    transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .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; }
    .reveal-delay-5 { transition-delay: 0.5s; }
}

/* ============================================
   Footer
   ============================================ */
footer a {
    text-decoration: none;
}

/* ============================================
   Responsive adjustments
   ============================================ */
@media (max-width: 767px) {
    .font-serif {
        line-height: 1.15;
    }
}

@media (min-width: 768px) and (max-width: 1023px) {
    .service-card {
        padding: 2rem;
    }
}