/* ── Base ───────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    background-color: #060E1F;
    color: #ffffff;
    font-family: 'DM Sans', sans-serif;
    -webkit-font-smoothing: antialiased;
}

/* ── Typography ─────────────────────────────────────────────────────────── */
h1, h2, h3 {
    font-family: 'Playfair Display', serif;
    font-weight: 700;
    line-height: 1.15;
}

/* ── Scrollbar ──────────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: #030814; }
::-webkit-scrollbar-thumb { background: #ffffff15; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #ffffff25; }

/* ── Focus ──────────────────────────────────────────────────────────────── */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
    outline: 2px solid #a3e635;
    outline-offset: 2px;
}

/* ── Header scroll state ────────────────────────────────────────────────── */
#site-header {
    background: transparent;
    transition: background 0.3s ease, box-shadow 0.3s ease;
}
#site-header.scrolled {
    background: rgba(3, 8, 20, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(255,255,255,0.05);
}

/* ── Reveal animations (below-fold only) ───────────────────────────────── */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(24px);
        transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
    }
    .reveal.visible {
        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; }
}

/* ── Reduced motion ─────────────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
    html { scroll-behavior: auto; }
    .reveal { opacity: 1; transform: none; }
}