*, *::before, *::after {
    box-sizing: border-box;
}

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

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

.skip-link {
    position: absolute;
    top: -100%;
    left: 50%;
    transform: translateX(-50%);
    z-index: 9999;
    padding: 0.75rem 1.5rem;
    background: #D4A853;
    color: #0B1F3C;
    font-weight: 600;
    border-radius: 0 0 8px 8px;
    text-decoration: none;
    transition: top 0.2s;
}

.skip-link:focus {
    top: 0;
}

#site-header.scrolled {
    background: rgba(4, 13, 26, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

#site-header.scrolled .flex.items-center {
    border: none;
}

/* FAQ */
.faq-item {
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: border-color 0.3s ease;
}

.faq-item:hover {
    border-color: rgba(45, 212, 191, 0.15);
}

.faq-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.3s ease;
}

.faq-content.open {
    max-height: 300px;
}

/* Scroll reveal (below fold only, progressive enhancement) */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 1;
        transform: none;
        transition: opacity 0.7s ease, transform 0.7s ease;
    }

    .reveal[data-reveal] {
        opacity: 0;
        transform: translateY(30px);
    }

    .reveal[data-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; }
}

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

::-webkit-scrollbar-track {
    background: #040D1A;
}

::-webkit-scrollbar-thumb {
    background: #16355C;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #2DD4BF;
}

/* Gold gradient text utility */
.text-gold-gradient {
    background: linear-gradient(135deg, #F0D68A 0%, #D4A853 50%, #C4973E 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}