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

body {
    min-height: 100vh;
}

::selection {
    background: rgba(212, 168, 75, 0.3);
    color: #fff;
}

/* Geometric Animations */
@keyframes float-slow {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(20px, -30px) rotate(5deg); }
    66% { transform: translate(-15px, 15px) rotate(-3deg); }
}

@keyframes float-medium {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    50% { transform: translate(-25px, 20px) rotate(-5deg); }
}

@keyframes float-fast {
    0%, 100% { transform: translate(0, 0) rotate(45deg); }
    50% { transform: translate(15px, -25px) rotate(50deg); }
}

@keyframes pulse-ring {
    0%, 100% { transform: scale(1); opacity: 0.1; }
    50% { transform: scale(1.1); opacity: 0.15; }
}

.geo-shape-1 {
    animation: float-slow 20s ease-in-out infinite;
}

.geo-shape-2 {
    animation: float-medium 25s ease-in-out infinite;
}

.geo-shape-3 {
    animation: float-fast 15s ease-in-out infinite;
}

.geo-shape-4 {
    animation: float-medium 18s ease-in-out infinite reverse;
}

.geo-shape-5, .geo-shape-6 {
    animation: pulse-ring 6s ease-in-out infinite;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: #d4a84b;
    transition: width 0.3s ease;
}

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

/* Mobile menu */
.mobile-link {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

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

#mobile-menu.open .mobile-link:nth-child(1) { transition-delay: 0.05s; }
#mobile-menu.open .mobile-link:nth-child(2) { transition-delay: 0.1s; }
#mobile-menu.open .mobile-link:nth-child(3) { transition-delay: 0.15s; }
#mobile-menu.open .mobile-link:nth-child(4) { transition-delay: 0.2s; }
#mobile-menu.open .mobile-link:nth-child(5) { transition-delay: 0.25s; }

/* Menu tabs */
.menu-tab {
    background: transparent;
    color: rgba(255, 255, 255, 0.5);
    border: none;
    cursor: pointer;
}

.menu-tab.active {
    background: rgba(212, 168, 75, 0.15);
    color: #e0be6e;
    border: 1px solid rgba(212, 168, 75, 0.3);
}

.menu-tab:hover:not(.active) {
    color: rgba(255, 255, 255, 0.8);
}

/* Scroll reveal (below fold only, progressive enhancement) */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 1;
        transform: translateY(0);
        transition: opacity 0.7s ease, transform 0.7s ease;
    }
}

@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.7s ease, transform 0.7s ease;
    }

    .reveal.visible {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Button hover lift */
button, a {
    transition: all 0.3s ease;
}

/* Image hover */
.rounded-2xl.overflow-hidden,
.rounded-3xl.overflow-hidden {
    transition: transform 0.4s ease;
}

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

::-webkit-scrollbar-track {
    background: #0a1628;
}

::-webkit-scrollbar-thumb {
    background: rgba(212, 168, 75, 0.3);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(212, 168, 75, 0.5);
}

/* Focus visible */
*:focus-visible {
    outline: 2px solid rgba(212, 168, 75, 0.6);
    outline-offset: 2px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }
}