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

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

body {
    background-color: #030710;
    color: #ffffff;
    font-family: 'Inter', system-ui, sans-serif;
    overflow-x: hidden;
}

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

/* ── Scroll Reveal (progressive enhancement) ── */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(32px);
        transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
                    transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    }

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

    .reveal:nth-child(2) { transition-delay: 0.1s; }
    .reveal:nth-child(3) { transition-delay: 0.2s; }
    .reveal:nth-child(4) { transition-delay: 0.3s; }
}

/* When JS is enabled, add the revealed class via JS observer */
.js-enabled .reveal {
    opacity: 0;
    transform: translateY(32px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* ── Service Cards ── */
.service-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 0 0 1rem 1rem;
    padding: 0 1.5rem 1.5rem;
    transition: border-color 0.3s ease, background 0.3s ease;
}

.service-card:hover {
    border-color: rgba(201, 168, 76, 0.2);
    background: rgba(255, 255, 255, 0.04);
}

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

.mobile-link {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.3s ease, transform 0.3s ease, color 0.2s 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; }

/* ── Header scroll state ── */
#site-header.scrolled {
    background-color: rgba(3, 7, 16, 0.95);
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.05);
}

/* ── Custom scrollbar ── */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #030710;
}
::-webkit-scrollbar-thumb {
    background: rgba(201, 168, 76, 0.3);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(201, 168, 76, 0.5);
}