/* ─── Base & Utilities ─── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { overflow-x: hidden; }

::selection { background: #c9a227; color: #0e1b2d; }

/* ─── Scroll Reveal (progressive enhancement) ─── */
@media (prefers-reduced-motion: no-preference) {
    .reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94); }
    .reveal.revealed { 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; }
}

/* ─── Navbar scroll state ─── */
#nav.scrolled {
    box-shadow: 0 1px 0 rgba(30, 58, 95, 0.06);
}

/* ─── Testimonial card hover ─── */
.testimonial-card {
    transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94), box-shadow 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.testimonial-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(14, 27, 45, 0.08);
}

/* ─── Program card hover ─── */
.program-card {
    transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.program-card:hover {
    transform: translateY(-4px);
}

/* ─── Mobile menu animation ─── */
#mobile-menu {
    transition: max-height 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94), opacity 0.25s ease;
    max-height: 0;
    opacity: 0;
    overflow: hidden;
}
#mobile-menu.open {
    max-height: 400px;
    opacity: 1;
}

/* ─── Custom select arrow ─── */
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='%2394a3b8' stroke-width='2' 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 0 center;
    padding-right: 2rem;
}

/* ─── Focus visible ─── */
:focus-visible {
    outline: 2px solid #c9a227;
    outline-offset: 2px;
}

/* ─── Smooth image loading ─── */
img {
    opacity: 1;
    transition: opacity 0.3s ease;
}