/* ── Base & Reset ── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { margin: 0; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }

/* ── Gold Button ── */
.gold-btn {
    background: linear-gradient(135deg, #c9a22d 0%, #dbb94e 50%, #a88520 100%);
    color: #0a1628;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    position: relative;
    overflow: hidden;
}
.gold-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #dbb94e 0%, #e8d07b 50%, #c9a22d 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}
.gold-btn:hover::before { opacity: 1; }
.gold-btn:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(201, 162, 45, 0.3); }
.gold-btn span, .gold-btn svg, .gold-btn p { position: relative; z-index: 1; }

/* ── Scroll Indicator ── */
.scroll-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    animation: bobble 2s ease-in-out infinite;
}
@keyframes bobble {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(8px); }
}

/* ── Reveal Animations (progressive enhancement) ── */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 1;
        transform: translateY(0);
        transition: opacity 0.7s ease, transform 0.7s ease;
    }
    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}
@media (prefers-reduced-motion: reduce) {
    .reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }
}

/* ── Navbar Scroll State ── */
#navbar.scrolled {
    background: rgba(6, 13, 31, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(201, 162, 45, 0.15);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

/* ── Mobile Menu ── */
#mobile-menu {
    animation: slideDown 0.3s ease;
}
@keyframes slideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}
.mobile-link {
    display: block;
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(201, 162, 45, 0.1);
}
.mobile-link:last-child { border-bottom: none; }

/* ── Input Focus States ── */
input:focus, textarea:focus {
    box-shadow: 0 0 0 3px rgba(201, 162, 45, 0.15);
}

/* ── Selection Color ── */
::selection {
    background: rgba(201, 162, 45, 0.3);
    color: #e8d07b;
}