*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif}
.container{max-width:1120px;margin:0 auto;padding:0 16px}
.site-header{position:sticky;top:0;background:rgba(11,15,20,.6);backdrop-filter:saturate(150%) blur(10px);border-bottom:1px solid #1c2430;z-index:50}
.site-header .container{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:.6rem;color:var(--text);font-weight:700}
.nav{display:flex;align-items:center;gap:12px}
.nav-link{color:var(--muted);text-decoration:none;padding:8px 10px;border-radius:8px}
.nav-link:hover{color:var(--text);background:#0f1723}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 18px;border-radius:12px;text-decoration:none;border:1px solid transparent;cursor:pointer;font-weight:700}
.btn.small{padding:8px 12px;border-radius:10px;font-weight:600}
.btn.primary{background:linear-gradient(135deg,var(--shopee),var(--red));color:#fff}
.btn.ghost{border-color:#203047;color:var(--text)}
.btn.cta{background:linear-gradient(135deg,var(--shopee),var(--gold));color:#0b0f14}
.hero{background:radial-gradient(1200px 400px at 20% -10%,rgba(255,95,31,.25),transparent),radial-gradient(1000px 300px at 120% 10%,rgba(212,175,55,.15),transparent)}
.hero .container{display:grid;grid-template-columns:1.1fr .9fr;gap:24px;min-height:62vh;padding:48px 16px 24px}
.hero-content{display:flex;flex-direction:column;gap:16px;align-self:center}
.hero h1{font-size:clamp(28px,4vw,44px);line-height:1.1;margin:0}
.hero p{color:var(--muted);margin:0 0 8px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.countdown{margin-top:8px;padding:10px 12px;background:#101824;border:1px solid #1f2a39;border-radius:12px;color:#e6edf7;width:max-content}
.hero-art{position:relative;min-height:280px}
.twinkle,.tree,.snow{position:absolute;inset:0;border-radius:24px}
.twinkle{background:repeating-radial-gradient(circle at 10% 20%,rgba(255,255,255,.15) 0 1px,transparent 2px 40px)}
.tree{mask:radial-gradient(200px 100px at 50% 80%,#0000 40%,#000 41%);background:conic-gradient(from 200deg,#0d1b2a,#0b0f14);opacity:.4}
.snow{background:repeating-linear-gradient(#ffffff10 0 2px,transparent 3px 20px)}
.section{padding:40px 0 8px}
.section h2{font-size:clamp(22px,3.2vw,32px);margin:0 0 8px}
.muted{color:var(--muted)}
.grid{display:grid;gap:16px}
.coupons{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.products{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.card{background:var(--card);border:1px solid #1c2430;border-radius:16px;padding:16px}
.card.product img{width:100%;height:180px;object-fit:cover;border-radius:12px}
.card .actions{display:flex;gap:8px;margin-top:8px}
.price{color:#9ae6b4;font-weight:800}
.list{list-style:none;margin:0;padding:0;display:grid;gap:6px}
.site-footer{margin-top:32px;border-top:1px solid #1c2430;padding:24px 0;background:#0b1119}
.footer-grid{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.copy{text-align:center;color:#8a96a8;margin-top:12px}
@media (max-width:900px){.hero .container{grid-template-columns:1fr}}