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

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    overflow-x: hidden;
}

::selection {
    background: rgba(201, 168, 76, 0.3);
    color: #f1f5f9;
}

/* ── Gold Button ──────────────────────────────────────── */
.gold-btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #c9a84c 0%, #b08d3a 50%, #c9a84c 100%);
    color: #0c1520;
    border: none;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

.gold-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #dfca7e 0%, #c9a84c 50%, #b08d3a 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.gold-btn:hover::before {
    opacity: 1;
}

.gold-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 20px 40px rgba(201, 168, 76, 0.25), 0 8px 16px rgba(201, 168, 76, 0.15);
}

.gold-btn span,
.gold-btn svg,
.gold-btn p {
    position: relative;
    z-index: 1;
}

/* ── Scroll Reveal ────────────────────────────────────── */
.reveal-up {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-up.revealed {
    opacity: 1;
    transform: translateY(0);
}

.reveal-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-left.revealed {
    opacity: 1;
    transform: translateX(0);
}

.reveal-right {
    opacity: 0;
    transform: translateX(40px);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-right.revealed {
    opacity: 1;
    transform: translateX(0);
}

/* ── Hero Content Animation ───────────────────────────── */
.hero-content {
    opacity: 0;
    transform: translateY(30px);
    animation: heroReveal 1s cubic-bezier(0.4, 0, 0.2, 1) 0.3s forwards;
}

@keyframes heroReveal {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ── Scroll Line Animation ────────────────────────────── */
.scroll-line {
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 0.3; transform: scaleY(0.5); transform-origin: top; }
    50% { opacity: 1; transform: scaleY(1); }
}

/* ── Navbar Scroll State ──────────────────────────────── */
.nav-scrolled {
    background: rgba(12, 21, 32, 0.95) !important;
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(201, 168, 76, 0.1);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.nav-scrolled .menu-line {
    background: #d4b965 !important;
}

/* ── Mobile Menu ──────────────────────────────────────── */
.mobile-menu-open {
    opacity: 1 !important;
    pointer-events: all !important;
}

.mobile-link {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.4s ease, transform 0.4s ease, color 0.3s ease;
}

.mobile-menu-open .mobile-link {
    opacity: 1;
    transform: translateY(0);
}

.mobile-menu-open .mobile-link:nth-child(1) { transition-delay: 0.1s; }
.mobile-menu-open .mobile-link:nth-child(2) { transition-delay: 0.15s; }
.mobile-menu-open .mobile-link:nth-child(3) { transition-delay: 0.2s; }
.mobile-menu-open .mobile-link:nth-child(4) { transition-delay: 0.25s; }
.mobile-menu-open .mobile-link:nth-child(5) { transition-delay: 0.3s; }

/* ── Hamburger Animation ──────────────────────────────── */
.menu-active .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(4px, 4px);
}

.menu-active .menu-line:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.menu-active .menu-line:nth-child(3) {
    transform: rotate(-45deg) translate(4px, -4px);
    width: 24px;
}

/* ── Product Card Hover ───────────────────────────────── */
.group:hover .group-hover\:scale-110 {
    transform: scale(1.1);
}

/* ── Custom Scrollbar ─────────────────────────────────── */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #0c1520;
}

::-webkit-scrollbar-thumb {
    background: #2d4055;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #c9a84c;
}

/* ── Focus Styles ─────────────────────────────────────── */
input:focus, textarea:focus {
    outline: none;
}

/* ── Responsive ───────────────────────────────────────── */
@media (max-width: 768px) {
    .font-serif {
        line-height: 1.1;
    }
}