/* ─── Base & Typography ─── */
html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    overflow-x: hidden;
}

::selection {
    background: color-mix(in srgb, #3ab588 30%, transparent);
    color: #0a1628;
}

/* ─── Scroll Reveal ─── */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

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

@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(28px);
    }
    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

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

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

.mobile-link {
    display: block;
    border-bottom: 1px solid rgba(10, 22, 40, 0.06);
}

.mobile-link:last-child {
    border-bottom: none;
}

/* ─── Header Scrolled State ─── */
#site-header.scrolled {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 1px 0 rgba(10, 22, 40, 0.06), 0 4px 24px rgba(10, 22, 40, 0.04);
}

/* ─── Custom Scrollbar ─── */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #f0faf4;
}
::-webkit-scrollbar-thumb {
    background: #b8ecd3;
    border-radius: 999px;
}
::-webkit-scrollbar-thumb:hover {
    background: #8eddbc;
}

/* ─── Select styling ─── */
select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%230a1628' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

/* ─── Focus visible ─── */
:focus-visible {
    outline: 2px solid #3ab588;
    outline-offset: 2px;
}

/* ─── Print ─── */
@media print {
    #site-header, #mobile-menu { display: none; }
    body { color: #000; background: #fff; }
    .reveal { opacity: 1; transform: none; }
}