/* Vua Săn Sale — design system dùng chung (Be Vietnam Pro qua /fonts/_faces.css) */
:root{--bg:#FBF8F4;--surface:#FFFFFF;--ink:#1B1613;--muted:#7C726B;--line:#EBE3DA;--accent:#FF5A3C;--accent-ink:#E23F22;--accent-soft:#FFEDE7;--deep:#17110E;--shadow:0 1px 2px rgba(27,22,19,.04),0 8px 24px rgba(27,22,19,.06);--shadow-lg:0 4px 12px rgba(27,22,19,.08),0 24px 60px rgba(226,63,34,.10);--radius:18px;--maxw:1080px;--font:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif}
@media (prefers-color-scheme:dark){:root{--bg:#141010;--surface:#1E1815;--ink:#F4EEE7;--muted:#A99C92;--line:#312822;--accent:#FF6B4D;--accent-ink:#FF6B4D;--accent-soft:#33201A;--deep:#0D0A08;--shadow:0 1px 2px rgba(0,0,0,.3),0 10px 30px rgba(0,0,0,.4);--shadow-lg:0 8px 40px rgba(0,0,0,.5)}}
:root[data-theme="dark"]{--bg:#141010;--surface:#1E1815;--ink:#F4EEE7;--muted:#A99C92;--line:#312822;--accent:#FF6B4D;--accent-ink:#FF6B4D;--accent-soft:#33201A;--deep:#0D0A08;--shadow:0 1px 2px rgba(0,0,0,.3),0 10px 30px rgba(0,0,0,.4);--shadow-lg:0 8px 40px rgba(0,0,0,.5)}
:root[data-theme="light"]{--bg:#FBF8F4;--surface:#FFFFFF;--ink:#1B1613;--muted:#7C726B;--line:#EBE3DA;--accent:#FF5A3C;--accent-ink:#E23F22;--accent-soft:#FFEDE7;--deep:#17110E;--shadow:0 1px 2px rgba(27,22,19,.04),0 8px 24px rgba(27,22,19,.06);--shadow-lg:0 4px 12px rgba(27,22,19,.08),0 24px 60px rgba(226,63,34,.10)}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);line-height:1.65;-webkit-font-smoothing:antialiased;letter-spacing:-.01em}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 18px}
.narrow{max-width:760px}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
p{text-wrap:pretty}
.eyebrow{font-size:.7rem;font-weight:700;letter-spacing:.13em;text-transform:uppercase;color:var(--accent-ink)}
h1,h2,h3{margin:0;font-weight:800;letter-spacing:-.03em;text-wrap:balance;line-height:1.15}
header{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--bg) 82%,transparent);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:62px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.04rem}
.brand .logo{width:40px;height:40px;border-radius:11px;object-fit:cover;box-shadow:0 3px 10px rgba(27,22,19,.14)}
.brand small{display:block;font-size:.64rem;font-weight:600;color:var(--muted);margin-top:-3px}
.menu{display:flex;align-items:center;gap:24px;font-size:.9rem;font-weight:600;color:var(--muted)}
.menu a:hover{color:var(--ink)}
.menu .cta{padding:9px 17px;border-radius:11px;background:var(--ink);color:var(--bg);font-weight:700}
.themetog{cursor:pointer;width:38px;height:38px;border-radius:11px;border:1px solid var(--line);background:var(--surface);display:grid;place-items:center;font-size:1rem;color:var(--muted)}
@media(max-width:760px){.menu a{display:none}}
.hero{padding:44px 0 8px;text-align:center;position:relative;overflow:hidden}
.hero:before{content:"";position:absolute;inset:0;background:radial-gradient(56% 42% at 50% 0%,var(--accent-soft),transparent 70%);pointer-events:none}
.hero .wrap{position:relative}
.hero h1{font-size:clamp(1.8rem,4.4vw,2.8rem);margin:12px auto 0;max-width:22ch}
.hero h1 .hl{color:var(--accent-ink)}
.hero p{color:var(--muted);max-width:54ch;margin:14px auto 0;font-weight:500}
section.blk{padding:26px 0}
.head{text-align:center;max-width:46ch;margin:0 auto 22px}
.head h2{font-size:clamp(1.4rem,3vw,1.95rem)}
.head p{color:var(--muted);margin:10px 0 0;font-weight:500}
.btn{display:inline-flex;align-items:center;gap:9px;background:linear-gradient(135deg,var(--accent),var(--accent-ink));color:#fff;font-weight:800;font-size:1.02rem;padding:15px 28px;border-radius:14px;box-shadow:0 8px 22px rgba(226,63,34,.3);transition:transform .12s}
.btn:hover{transform:translateY(-2px)}
.cta-band{text-align:center;background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:34px 22px;box-shadow:var(--shadow-lg)}
.cta-band h2{font-size:clamp(1.35rem,3vw,1.9rem)}
.cta-band p{color:var(--muted);margin:10px auto 0;max-width:44ch}
.cta-band .btn{margin-top:20px}
/* prose (trang chính sách / blog) */
.prose{max-width:720px;margin:0 auto}
.prose h2{font-size:clamp(1.2rem,2.6vw,1.55rem);margin:30px 0 10px}
.prose h3{font-size:1.08rem;margin:20px 0 8px}
.prose p,.prose li{color:var(--ink);opacity:.92;margin:0 0 12px}
.prose ul,.prose ol{padding-left:22px;margin:0 0 14px}
.prose li{margin:0 0 7px}
.prose a:not(.btn){color:var(--accent-ink);font-weight:700}
.prose a:not(.btn):hover{text-decoration:underline}
.prose .btn{color:#fff}
.prose .lead{font-size:1.08rem;color:var(--muted);font-weight:500}
.prose .updated{font-size:.82rem;color:var(--muted);margin-bottom:22px}
.card-box{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);margin:0 0 14px}
/* blog list */
.posts{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;max-width:900px;margin:0 auto}
@media(max-width:720px){.posts{grid-template-columns:1fr}}
.pcard{display:block;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);transition:transform .15s,box-shadow .15s}
.pcard:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.pcard .tag{font-size:.7rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--accent-ink)}
.pcard h3{font-size:1.14rem;margin:8px 0 8px}
.pcard p{color:var(--muted);font-size:.92rem;margin:0}
.pcard .more{margin-top:12px;font-weight:700;color:var(--accent-ink);font-size:.88rem}
/* floating group buttons (platform logo) */
.float{position:fixed;right:14px;top:50%;transform:translateY(-50%);z-index:60;display:flex;flex-direction:column;gap:10px}
.float a{display:flex;align-items:center;gap:9px;background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-lg);border-radius:100px;padding:8px 15px 8px 8px;font-weight:700;font-size:.82rem;color:var(--ink);transition:transform .14s}
.float a:hover{transform:scale(1.04)}
.float .fi{width:34px;height:34px;flex:0 0 34px;border-radius:50%;overflow:hidden;display:block;box-shadow:0 1px 4px rgba(0,0,0,.15)}
.float .fi svg{width:34px;height:34px;display:block}
@media(max-width:900px){.float{right:10px;top:34%;bottom:auto;transform:none}.float a span.lbl{display:none}.float a{padding:6px}}
/* footer + disclosure */
footer{border-top:1px solid var(--line);margin-top:40px;padding:32px 0 34px}
.foot{display:flex;flex-direction:column;align-items:center;gap:14px;text-align:center;color:var(--muted);font-size:.84rem}
.foot .fl{display:flex;gap:16px 20px;flex-wrap:wrap;justify-content:center}
.foot a:hover{color:var(--ink)}
.foot .fb{display:flex;align-items:center;gap:9px;font-weight:800;color:var(--ink);font-size:1.02rem}
.foot .fb img{width:32px;height:32px;border-radius:9px;object-fit:cover}
.foot .cprt{font-size:.82rem}
.disclosure{max-width:var(--maxw);margin:18px auto 0;padding:0 18px;color:var(--muted);font-size:.76rem;opacity:.85;text-align:center;line-height:1.5}