/* ============================================
   NAIL COUTURE — Premium Dark Luxury Styles
   ============================================ */

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #0a0f14;
}
::-webkit-scrollbar-thumb {
    background: #2d3748;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #c9a84c;
}

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

body {
    overflow-x: hidden;
}

/* Selection Color */
::selection {
    background: rgba(201, 168, 76, 0.3);
    color: #f5f0e8;
}

/* ============================================
   HERO ANIMATIONS
   ============================================ */
.hero-subtitle {
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
    animation-delay: 0.2s;
}

.hero-title {
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
    animation-delay: 0.5s;
}

.hero-desc {
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
    animation-delay: 0.8s;
}

.hero-buttons {
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
    animation-delay: 1.1s;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================
   SECTION LABELS & HEADINGS
   ============================================ */
.section-label {
    display: block;
}

.section-title {
    line-height: 1.15;
}

.section-desc {
    line-height: 1.7;
}

/* ============================================
   SERVICE CARDS
   ============================================ */
.service-card {
    transform: translateY(0);
    transition: transform 0.5s ease, border-color 0.5s ease, box-shadow 0.5s ease;
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

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

/* ============================================
   TESTIMONIAL CARDS
   ============================================ */
.testimonial-card {
    transition: transform 0.5s ease, border-color 0.5s ease;
}

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

/* ============================================
   NAVBAR
   ============================================ */
#navbar {
    background: transparent;
    transition: background 0.4s ease, box-shadow 0.4s ease, backdrop-filter 0.4s ease;
}

#navbar.scrolled {
    background: rgba(10, 15, 20, 0.92);
    backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(201, 168, 76, 0.1);
}

/* ============================================
   MOBILE MENU
   ============================================ */
.mobile-link {
    position: relative;
}

.mobile-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: #c9a84c;
    transition: width 0.3s ease;
}

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

/* ============================================
   SCROLL REVEAL (Progressive Enhancement)
   Gated behind prefers-reduced-motion
   ============================================ */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(40px);
        transition: opacity 0.8s ease, transform 0.8s 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; }
    .reveal-delay-5 { transition-delay: 0.5s; }
    .reveal-delay-6 { transition-delay: 0.6s; }
}

/* ============================================
   GOLD SHIMMER EFFECT
   ============================================ */
@keyframes shimmer {
    0% { background-position: -200% center; }
    100% { background-position: 200% center; }
}

/* ============================================
   RESPONSIVE ADJUSTMENTS
   ============================================ */
@media (max-width: 768px) {
    .hero-title {
        font-size: 3rem;
    }
    
    .section-title {
        font-size: 2.5rem;
    }
}

@media (max-width: 640px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
}