/* ==========================================
   Goldmine Used Cars — Custom Styles
   Premium Dark Luxury Theme
   ========================================== */

/* ---------- Reset & Base ---------- */
*, *::before, *::after {
    box-sizing: border-box;
}

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

body {
    overflow-x: hidden;
}

/* ---------- Scrollbar ---------- */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #080808;
}
::-webkit-scrollbar-thumb {
    background: #2C2C2C;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #C9A84C;
}

/* ---------- Selection ---------- */
::selection {
    background: rgba(201, 168, 76, 0.3);
    color: #F4D67A;
}

/* ---------- Scroll Indicator Animation ---------- */
.scroll-line {
    animation: scrollDown 1.5s ease-in-out infinite;
    transform-origin: top;
}
@keyframes scrollDown {
    0% { transform: scaleY(0); transform-origin: top; opacity: 1; }
    50% { transform: scaleY(1); transform-origin: top; opacity: 1; }
    51% { transform: scaleY(1); transform-origin: bottom; opacity: 1; }
    100% { transform: scaleY(0); transform-origin: bottom; opacity: 1; }
}

/* ---------- Mobile Menu ---------- */
.mobile-link {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.3s ease, transform 0.3s ease, color 0.3s ease;
}
.js-enabled .mobile-link {
    opacity: 0;
    transform: translateY(10px);
}

/* ---------- Navbar Glass Effect ---------- */
.nav-scrolled {
    background: rgba(8, 8, 8, 0.9) !important;
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(201, 168, 76, 0.1);
}

/* ---------- Form Styles ---------- */
input:focus,
select:focus,
textarea:focus {
    border-color: rgba(201, 168, 76, 0.5) !important;
    box-shadow: 0 0 0 3px rgba(201, 168, 76, 0.1) !important;
}

select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23C9A84C' 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;
}

/* ---------- Scroll Reveal (Progressive Enhancement) ---------- */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
        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; }
    .reveal-delay-6 { transition-delay: 0.6s; }
}

/* Reduced motion: ensure content is always visible */
@media (prefers-reduced-motion: reduce) {
    .reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }
    html {
        scroll-behavior: auto;
    }
}

/* ---------- Mobile Menu States ---------- */
.mobile-menu-open #mobile-menu {
    pointer-events: auto;
    opacity: 1;
}
.js-enabled .mobile-menu-open .mobile-link {
    opacity: 1;
    transform: translateY(0);
}
.js-enabled .mobile-menu-open .mobile-link:nth-child(1) { transition-delay: 0.05s; }
.js-enabled .mobile-menu-open .mobile-link:nth-child(2) { transition-delay: 0.1s; }
.js-enabled .mobile-menu-open .mobile-link:nth-child(3) { transition-delay: 0.15s; }
.js-enabled .mobile-menu-open .mobile-link:nth-child(4) { transition-delay: 0.2s; }

/* Mobile menu button animation */
.menu-open .menu-line:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
}
.menu-open .menu-line:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}
.menu-open .menu-line:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
}

/* ---------- Gold shimmer on buttons ---------- */
.shimmer-btn {
    position: relative;
    overflow: hidden;
}
.shimmer-btn::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
    transition: left 0.5s ease;
}
.shimmer-btn:hover::after {
    left: 100%;
}

/* ---------- Card hover glow ---------- */
.card-glow:hover {
    box-shadow: 0 20px 60px rgba(0,0,0,0.4), 0 0 0 1px rgba(201,168,76,0.15) !important;
}

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
    .scroll-indicator {
        display: none;
    }
}