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

body {
    overflow-x: hidden;
}

::selection {
    background: rgba(20, 184, 166, 0.25);
    color: #0f766e;
}

/* ── Fade-up for hero (no JS required — visible by default) ── */
.fade-up {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

/* ── Scroll-reveal (progressive enhancement — content visible without JS) ── */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 1;
        transform: translateY(0);
        transition: opacity 0.7s ease, transform 0.7s ease;
    }
}

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

/* ── Custom scrollbar ── */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #0f172a;
}
::-webkit-scrollbar-thumb {
    background: #1e293b;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #334155;
}