/* ============================================
   Platinum Finish Auto Detailing — Custom Styles
   ============================================ */

/* --- Base & Typography --- */
html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    overflow-x: hidden;
}

::selection {
    background: rgba(201, 168, 76, 0.3);
    color: #ffffff;
}

/* --- Scrollbar --- */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #0a1628;
}
::-webkit-scrollbar-thumb {
    background: #1e3a6b;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #c9a84c;
}

/* --- Navigation --- */
.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: #c9a84c;
    transition: width 0.3s ease;
}

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

.nav-link:hover {
    color: #d4b965;
}

/* Navbar scrolled state */
.navbar-scrolled {
    background: rgba(10, 22, 40, 0.95) !important;
    backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(201, 168, 76, 0.1);
}

/* --- Mobile Menu --- */
.mobile-link {
    font-family: 'Playfair Display', Georgia, serif;
}

.mobile-menu-open {
    opacity: 1 !important;
    pointer-events: all !important;
}

/* --- Hero --- */
#hero {
    position: relative;
}

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

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, #c9a84c, transparent);
    opacity: 0;
    transition: opacity 0.5s ease;
}

.service-card:hover::before {
    opacity: 1;
}

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

/* --- Scroll Reveal Animations --- */
/* Note: These are progressive enhancement — content is visible without JS */
.reveal {
    opacity: 1;
    transform: none;
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.revealed {
    opacity: 1;
    transform: none;
}

@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
    }
    
    .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 accent --- */
@keyframes shimmer {
    0% { background-position: -200% center; }
    100% { background-position: 200% center; }
}

.gold-shimmer {
    background: linear-gradient(90deg, #c9a84c 0%, #e0ca85 50%, #c9a84c 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: shimmer 4s linear infinite;
}

/* --- Button hover glow --- */
.btn-glow:hover {
    box-shadow: 0 0 40px rgba(201, 168, 76, 0.3);
}

/* --- Form focus states --- */
input:focus,
textarea:focus,
select:focus {
    outline: none;
}

/* --- Responsive adjustments --- */
@media (max-width: 768px) {
    .font-serif {
        font-size: clamp(1.75rem, 5vw, 2.5rem);
    }
}