/* ── Base ── */
html {
    scroll-behavior: smooth;
}

body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ── Scroll Reveal (progressive enhancement — content visible without JS) ── */
@media (prefers-reduced-motion: no-preference) {
    .scroll-reveal {
        opacity: 1;
        transform: translateY(0);
        transition: opacity 0.6s ease, transform 0.6s ease;
    }

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

/* ── Header scroll state ── */
#site-header.scrolled {
    background: rgba(26, 29, 35, 0.95);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(255,255,255,0.05);
}

/* ── Custom scrollbar ── */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #f5f5f4;
}
::-webkit-scrollbar-thumb {
    background: #d6d3d1;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #a8a29e;
}

/* ── Focus visible ── */
*:focus-visible {
    outline: 2px solid #F97316;
    outline-offset: 2px;
    border-radius: 4px;
}

/* ── Mobile menu animation ── */
#mobile-menu {
    animation: slideDown 0.25s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ── Form input autofill ── */
input:-webkit-autofill,
textarea:-webkit-autofill,
select:-webkit-autofill {
    -webkit-box-shadow: 0 0 0 30px #fff inset !important;
}