/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { min-height: 100vh; overflow-x: hidden; }
img { display: block; max-width: 100%; }
a { text-decoration: none; }
button { background: none; border: none; cursor: pointer; color: inherit; }

/* ── Scroll reveal (progressive enhancement) ── */
@media (prefers-reduced-motion: no-preference) {
    .reveal-up { opacity: 0; transform: translateY(30px); transition: opacity 0.7s ease, transform 0.7s ease; }
    .reveal-left { opacity: 0; transform: translateX(-30px); transition: opacity 0.7s ease, transform 0.7s ease; }
    .reveal-right { opacity: 0; transform: translateX(30px); transition: opacity 0.7s ease, transform 0.7s ease; }
    .reveal-up.revealed,
    .reveal-left.revealed,
    .reveal-right.revealed { opacity: 1; transform: translate(0); }
}
/* Fallback: always visible if JS disabled */
.reveal-up, .reveal-left, .reveal-right { opacity: 1; transform: none; }

/* ── Navbar ── */
#nav { background: transparent; }
#nav.scrolled {
    background: rgba(4, 8, 15, 0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255,255,255,0.04);
}
.nav-link { position: relative; }
.nav-link::after {
    content: '';
    position: absolute; bottom: -4px; left: 0;
    width: 0; height: 1px;
    background: #c9a84c;
    transition: width 0.3s ease;
}
.nav-link:hover::after { width: 100%; }

/* ── Mobile menu ── */
#mobile-menu.open { opacity: 1 !important; pointer-events: all !important; }
.mobile-link { position: relative; }
.mobile-link::after {
    content: '';
    position: absolute; bottom: -2px; left: 50%; transform: translateX(-50%);
    width: 0; height: 1px;
    background: #c9a84c;
    transition: width 0.3s ease;
}
.mobile-link:hover::after { width: 80%; }

/* ── Hamburger animation ── */
#menu-toggle.active .menu-line:nth-child(1) { transform: translateY(5px) rotate(45deg); }
#menu-toggle.active .menu-line:nth-child(2) { opacity: 0; }
#menu-toggle.active .menu-line:nth-child(3) { transform: translateY(-5px) rotate(-45deg); width: 1.25rem; }

/* ── Card hover glow ── */
.group:hover .group-hover\:bg-gold-500\/10 { background: rgba(201,168,76,0.1); }

/* ── Selection ── */
::selection { background: rgba(201,168,76,0.25); color: #f0f4f8; }

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: #04080f; }
::-webkit-scrollbar-thumb { background: #1f2d47; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #3d5178; }