/* Base styles & custom properties */
:root {
    --font-display: 'Playfair Display', Georgia, serif;
    --font-body: 'Space Grotesk', system-ui, sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-body);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Marquee animation */
@keyframes marquee {
    0% { transform: translateX(0%); }
    100% { transform: translateX(-50%); }
}

.animate-marquee {
    animation: marquee 25s linear infinite;
}

/* Scroll reveal animations — progressive enhancement */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.7s ease, transform 0.7s ease;
    }
    
    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
    
    /* Staggered delays for grid items */
    .reveal:nth-child(2) { transition-delay: 0.1s; }
    .reveal:nth-child(3) { transition-delay: 0.2s; }
    .reveal:nth-child(4) { transition-delay: 0.3s; }
}

/* Navbar scroll state */
.nav-scrolled {
    background: rgba(15, 10, 20, 0.95) !important;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.nav-scrolled .menu-line {
    background: #faf5f0 !important;
}

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

.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; }

/* Mobile menu button active state */
.menu-toggle.active .menu-line:first-child {
    transform: rotate(45deg) translate(4px, 4px);
}
.menu-toggle.active .menu-line:nth-child(2) {
    opacity: 0;
}
.menu-toggle.active .menu-line:last-child {
    width: 20px;
    transform: rotate(-45deg) translate(4px, -4px);
    margin-left: 0;
    margin-right: auto;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #0f0a14;
}
::-webkit-scrollbar-thumb {
    background: #831443;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #be185d;
}

/* Selection color */
::selection {
    background: rgba(251, 191, 36, 0.3);
    color: #faf5f0;
}

/* Focus visible styles */
:focus-visible {
    outline: 2px solid #fbbf24;
    outline-offset: 2px;
}

/* Image lazy loading fade */
img[loading="lazy"] {
    opacity: 0;
    transition: opacity 0.5s ease;
}
img[loading="lazy"].loaded {
    opacity: 1;
}

/* Smooth image rendering */
img {
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}

/* Prevent layout shift on anchor targets */
section[id] {
    scroll-margin-top: 80px;
}