/* ── Base & Utilities ── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { margin: 0; overflow-x: hidden; }

/* ── Scroll Reveal (progressive enhancement) ── */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(24px);
        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);
    }
}
/* Fallback: always visible if JS is disabled or prefers-reduced-motion */
@media (prefers-reduced-motion: reduce) {
    .reveal { opacity: 1; transform: none; }
}

/* ── Navbar ── */
#navbar {
    background: transparent;
}
#navbar.scrolled {
    background: rgba(8, 19, 38, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(212, 154, 10, 0.1);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

/* ── Mobile Menu ── */
#mobile-menu {
    animation: slideDown 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}
@keyframes slideDown {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ── FAQ ── */
.faq-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.22, 1, 0.36, 1), padding 0.3s ease;
}
.faq-content.open {
    max-height: 300px;
}

/* ── Custom Scrollbar ── */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: #0d1d3b; }
::-webkit-scrollbar-thumb { background: #1e3a6e; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #2d5191; }

/* ── Selection ── */
::selection { background: rgba(212, 154, 10, 0.3); color: #f0f3f9; }

/* ── Pulse animation for hero orbs ── */
@keyframes pulse {
    0% { opacity: 0.6; transform: scale(1); }
    100% { opacity: 1; transform: scale(1.1); }
}

/* ── Responsive tweaks ── */
@media (max-width: 640px) {
    .font-display { line-height: 1.15; }
}