/* ── Base & Utilities ── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { overflow-x: hidden; }

/* ── Scroll Reveal ── */
.scroll-reveal {
    opacity: 1;
    transform: none;
    transition: opacity 0.6s ease, transform 0.6s ease;
}

@media (prefers-reduced-motion: no-preference) {
    .scroll-reveal {
        opacity: 0;
        transform: translateY(28px);
        transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
    }
    .scroll-reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ── Navbar scroll state ── */
#navbar.scrolled {
    background: rgba(9, 18, 34, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 1px 0 rgba(255,255,255,0.06);
}

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

/* ── Custom selection ── */
::selection {
    background: #e89a1f;
    color: #091222;
}

/* ── Focus styles ── */
a:focus-visible, button:focus-visible {
    outline: 2px solid #f7df9a;
    outline-offset: 3px;
    border-radius: 4px;
}

/* ── Image lazy load placeholder ── */
img {
    background: linear-gradient(135deg, #e8e0d4 0%, #d4ccc0 100%);
}