.navbar{position:sticky;top:0;z-index:40;background:rgba(12,12,16,.65);backdrop-filter:blur(8px);border-bottom:1px solid var(--border)}
.navbar .inner{display:flex;align-items:center;justify-content:space-between;padding:10px 0}
.logo img{height:32px}
.nav-links{display:flex;align-items:center;gap:16px}
.nav-item{position:relative}
.nav-link{padding:8px 10px;border-radius:10px}
.nav-item[data-open="true"]>.nav-link,.nav-link:hover{background:rgba(255,255,255,.05)}
.mega{position:absolute;inset:calc(100% + 8px) auto auto 0;background:var(--surface);border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow-lg);padding:16px;display:grid;grid-template-columns:1fr 1fr .7fr .9fr;gap:16px;min-width:760px;opacity:0;pointer-events:none;transform:translateY(6px);transition:all var(--normal) var(--easing)}
.nav-item[data-open="true"] .mega{opacity:1;pointer-events:auto;transform:none}
.mega h4{margin:0 0 8px;color:var(--gold)}
.mega-list{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.mega-grid{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.mega-grid img{width:56px;height:56px;border-radius:12px;border:1px solid var(--border)}
.coupon-tile{background:linear-gradient(135deg, rgba(197,157,95,.12), rgba(107,76,255,.12));border:1px solid var(--border);border-radius:14px;padding:10px}
.preview3d .preview-box{position:relative;background:radial-gradient(400px 200px at 50% 30%, rgba(107,76,255,.2), transparent);border:1px solid var(--border);border-radius:14px;aspect-ratio:1.2/1;display:grid;place-items:center;overflow:hidden}
.preview3d .preview-glow{position:absolute;inset:auto 20% -30% auto;width:140px;height:140px;background:var(--gold);filter:blur(40px);opacity:.25;border-radius:50%}