/* Base & Utilities */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    overflow-x: hidden;
}

::selection {
    background: rgba(212, 168, 83, 0.3);
    color: #fff;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #0D0D0D;
}
::-webkit-scrollbar-thumb {
    background: #2E2E2E;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #D4A853;
}

/* Floating Card Animations */
@keyframes float1 {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-16px) rotate(0.5deg); }
}
@keyframes float2 {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-12px) rotate(-0.5deg); }
}
@keyframes float3 {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}
@keyframes float4 {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-10px) rotate(1deg); }
}

.floating-card {
    will-change: transform;
}
.card-1 { animation: float1 5s ease-in-out infinite; }
.card-2 { animation: float2 6s ease-in-out infinite; }
.card-3 { animation: float3 4.5s ease-in-out infinite; }
.card-4 { animation: float4 5.5s ease-in-out infinite; }

/* Reveal Animations (below fold only) */
.reveal {
    opacity: 1;
    transform: none;
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal[data-state="hidden"] {
    opacity: 0;
    transform: translateY(40px);
}

@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(40px);
    }
    .reveal.visible {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Navbar transitions */
.nav-scrolled {
    background: rgba(13, 13, 13, 0.92) !important;
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(212, 168, 83, 0.1);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
}

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

/* Hamburger animation */
.menu-open .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}
.menu-open .menu-line:nth-child(2) {
    opacity: 0;
}
.menu-open .menu-line:nth-child(3) {
    width: 24px;
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Button hover glow */
.btn-glow:hover {
    box-shadow: 0 0 40px rgba(255, 107, 74, 0.3);
}

/* Image hover zoom */
img {
    display: block;
    max-width: 100%;
}

/* Focus visible */
*:focus-visible {
    outline: 2px solid #D4A853;
    outline-offset: 2px;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    html {
        scroll-padding-top: 70px;
    }

    .floating-card {
        display: none;
    }

    #hero {
        min-height: 100vh;
        padding-top: 100px;
    }
}

/* Gold shimmer on hover for special elements */
@keyframes shimmer {
    0% { background-position: -200% center; }
    100% { background-position: 200% center; }
}

.gold-shimmer {
    background: linear-gradient(90deg, #D4A853 0%, #F5D78E 50%, #D4A853 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: background-position 0.5s ease;
}

.gold-shimmer:hover {
    background-position: 200% center;
}