/* Mẫu web quán hải sản — màu "cua luộc" (cam đỏ), kem, nâu than */
:root{
  --cua:#E4572E; --cua-deep:#B8321A; --son:#F28C28; --gold:#F4B942;
  --ink:#2A160F; --ink-2:#5B3B2E; --cream:#FFF7EE; --sand:#F7E7D4; --line:#EBD5BF;
  --ok:#2F7D4F; --r:18px; --shadow:0 10px 30px rgba(74,28,10,.14);
  --f-display:"Playfair Display",Georgia,serif; --f-body:"Be Vietnam Pro",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--f-body);color:var(--ink);background:var(--cream);line-height:1.55;font-size:16px}
img{max-width:100%;display:block}
a{color:inherit}
button,input,select,textarea{font:inherit;color:inherit}
.wrap{width:min(1180px,100% - 32px);margin-inline:auto}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.ph{display:inline-block;border:1.5px dashed currentColor;border-radius:8px;padding:0 .4em;font-weight:600;opacity:.85;font-size:.92em;white-space:nowrap}

/* topbar + header */
.topbar{background:var(--ink);color:var(--sand);font-size:13.5px;text-align:center;padding:8px 12px}
.topbar b{color:var(--gold)}
.hdr{position:sticky;top:0;z-index:40;background:rgba(255,247,238,.92);backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line)}
.hdr .wrap{display:flex;align-items:center;gap:20px;height:68px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;font-family:var(--f-display);font-weight:800;font-size:24px;letter-spacing:.2px;color:var(--cua-deep)}
.logo svg{width:38px;height:38px}
.nav{display:flex;gap:4px;margin-left:auto}
.nav a{text-decoration:none;font-weight:600;font-size:15px;padding:8px 12px;border-radius:999px;color:var(--ink-2)}
.nav a:hover,.nav a[aria-current=page]{background:var(--sand);color:var(--cua-deep)}
.hdr-cta{display:flex;gap:8px;align-items:center;margin-left:auto}
.nav+.hdr-cta{margin-left:0}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;cursor:pointer;text-decoration:none;font-weight:700;border-radius:999px;padding:13px 22px;font-size:15.5px;transition:transform .15s,box-shadow .15s,background .15s;white-space:nowrap}
.btn:active{transform:scale(.97)}
.btn-cua{background:linear-gradient(180deg,#EE6436,var(--cua-deep));color:#fff;box-shadow:0 6px 18px rgba(184,50,26,.35)}
.btn-cua:hover{box-shadow:0 10px 24px rgba(184,50,26,.45)}
.btn-gold{background:var(--gold);color:var(--ink)}
.btn-ghost{background:rgba(255,255,255,.14);color:#fff;border:1.5px solid rgba(255,255,255,.55)}
.btn-line{background:#fff;color:var(--cua-deep);border:1.5px solid var(--line)}
.btn-sm{padding:9px 15px;font-size:14px}
.cart-btn{position:relative;width:44px;height:44px;border-radius:50%;border:1.5px solid var(--line);background:#fff;display:grid;place-items:center;cursor:pointer}
.cart-btn svg{width:22px;height:22px}
.cart-btn .n{position:absolute;top:-4px;right:-4px;min-width:20px;height:20px;border-radius:10px;background:var(--cua);color:#fff;font-size:12px;font-weight:800;display:grid;place-items:center;padding:0 5px}
.cart-btn .n:empty{display:none}
.menu-btn{display:none}

/* hero */
.hero{position:relative;color:#fff;min-height:min(86vh,760px);display:flex;align-items:flex-end;overflow:hidden;background:#3a1a0e}
.hero>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(32,12,5,.86) 0%,rgba(32,12,5,.55) 45%,rgba(32,12,5,.1) 75%),linear-gradient(0deg,rgba(32,12,5,.7),transparent 45%)}
.hero .wrap{position:relative;z-index:2;padding:72px 0 56px}
.seal{display:inline-flex;align-items:center;gap:10px;background:var(--gold);color:var(--ink);font-weight:800;letter-spacing:.14em;text-transform:uppercase;font-size:13px;padding:8px 16px;border-radius:999px}
.seal i{width:8px;height:8px;border-radius:50%;background:var(--cua-deep);animation:pulse 1.6s infinite}
@keyframes pulse{50%{transform:scale(1.8);opacity:.4}}
.hero h1{font-family:var(--f-display);font-weight:800;font-size:clamp(40px,6.4vw,82px);line-height:1.02;margin:18px 0 14px;max-width:12ch;letter-spacing:-.5px}
.hero h1 em{font-style:italic;color:var(--son)}
.hero p.lead{font-size:clamp(16px,1.6vw,19px);max-width:46ch;color:#FBE7D6;margin:0 0 26px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.count{display:flex;gap:10px;margin:0 0 28px;align-items:stretch;flex-wrap:wrap}
.count .u{min-width:76px;padding:10px 8px;border-radius:14px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.25);backdrop-filter:blur(6px);text-align:center}
.count .u b{display:block;font-family:var(--f-display);font-size:34px;line-height:1}
.count .u span{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:#F7D9C2}
.count .when{align-self:center;color:#F7D9C2;font-size:14px;margin-left:6px}

/* trust */
.trust{background:#fff;border-bottom:1px solid var(--line)}
.trust .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;padding:18px 0}
.trust div{display:flex;gap:12px;align-items:center;font-size:14.5px;color:var(--ink-2)}
.trust svg{flex:none;width:34px;height:34px;color:var(--cua)}
.trust b{display:block;color:var(--ink);font-size:15.5px}

/* sections */
section.s{padding:84px 0}
.eyebrow{color:var(--cua);font-weight:800;letter-spacing:.16em;text-transform:uppercase;font-size:13px}
h2{font-family:var(--f-display);font-weight:800;font-size:clamp(32px,4.2vw,52px);line-height:1.08;margin:8px 0 14px;letter-spacing:-.3px}
.sub{color:var(--ink-2);max-width:60ch;font-size:17px;margin:0}
.head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:36px;flex-wrap:wrap}

/* 3 pillars */
.pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.pillar{position:relative;border-radius:24px;overflow:hidden;min-height:470px;color:#fff;text-decoration:none;display:flex;flex-direction:column;justify-content:flex-end;box-shadow:var(--shadow);isolation:isolate}
.pillar img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2;transition:transform .6s}
.pillar:after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(0deg,rgba(40,14,5,.92) 8%,rgba(40,14,5,.35) 55%,rgba(40,14,5,0) 80%)}
.pillar:hover img{transform:scale(1.05)}
.pillar .in{padding:26px}
.pillar .num{font-family:var(--f-display);font-size:15px;color:var(--gold);font-weight:700;letter-spacing:.1em}
.pillar h3{font-family:var(--f-display);font-size:30px;line-height:1.1;margin:6px 0 8px}
.pillar .k{display:inline-block;background:var(--cua);font-size:12.5px;font-weight:800;padding:4px 11px;border-radius:999px;letter-spacing:.04em}
.pillar p{color:#F6DCC8;font-size:15px;margin:10px 0 16px}
.pillar .go{font-weight:700;display:inline-flex;gap:8px;align-items:center}

/* products */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:20px}
.card{background:#fff;border-radius:var(--r);overflow:hidden;border:1px solid var(--line);display:flex;flex-direction:column;transition:box-shadow .2s,transform .2s}
.card:hover{box-shadow:var(--shadow);transform:translateY(-2px)}
.card .pic{position:relative;aspect-ratio:4/3;background:var(--sand)}
.card .pic img{width:100%;height:100%;object-fit:cover}
.card .tag{position:absolute;left:12px;top:12px;background:var(--cua);color:#fff;font-size:12px;font-weight:800;padding:4px 10px;border-radius:999px}
.card .bd{padding:16px 16px 18px;display:flex;flex-direction:column;gap:8px;flex:1}
.card h3{margin:0;font-size:18px;line-height:1.3}
.card p{margin:0;color:var(--ink-2);font-size:14.5px}
.sizes{display:flex;flex-wrap:wrap;gap:6px}
.sizes button{border:1.5px solid var(--line);background:var(--cream);border-radius:999px;padding:5px 11px;font-size:13px;cursor:pointer;font-weight:600}
.sizes button[aria-pressed=true]{border-color:var(--cua);background:#FFE8DC;color:var(--cua-deep)}
.price{display:flex;align-items:baseline;gap:6px;margin-top:auto;padding-top:6px}
.price b{font-size:20px;color:var(--cua-deep)}
.price small{color:var(--ink-2)}
.price .daily{font-weight:700;color:var(--cua-deep);font-size:15.5px}
.card .acts{display:flex;gap:8px}
.card .acts .btn{flex:1;padding:11px 12px;font-size:14.5px}

/* khai trương */
.kt{position:relative;color:#fff;overflow:hidden;background:var(--cua-deep)}
.kt>img{position:absolute;inset:-12px;width:calc(100% + 24px);height:calc(100% + 24px);object-fit:cover;opacity:.4;filter:blur(3px)}
.kt:before{content:"";position:absolute;inset:0;background:radial-gradient(1200px 500px at 15% 20%,rgba(242,140,40,.55),transparent),linear-gradient(180deg,rgba(150,36,14,.6),rgba(60,16,6,.92))}
.kt .wrap{position:relative}
.kt h2{color:#fff}
.kt .sub{color:#FBE2CF}
.promos{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:34px 0}
.promos:has(.promo:only-child){grid-template-columns:minmax(0,520px);justify-content:center}
.promo{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.28);border-radius:20px;padding:22px;backdrop-filter:blur(6px)}
.promo .v{font-family:var(--f-display);font-size:42px;font-weight:800;color:var(--gold);line-height:1.05}
.promo .v .ph{font-family:var(--f-body);font-size:20px;color:var(--gold)}
.promo h3{margin:10px 0 4px;font-size:18px}
.promo p{margin:0;color:#F7D6C0;font-size:14.5px}

/* forms */
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:40px;align-items:start}
.panel{background:#fff;border:1px solid var(--line);border-radius:24px;padding:28px;box-shadow:var(--shadow)}
.panel h3{margin:0 0 4px;font-size:22px}
.fgrid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:16px}
.fgrid .full{grid-column:1/-1}
label.f{display:flex;flex-direction:column;gap:6px;font-size:13.5px;font-weight:600;color:var(--ink-2)}
label.f input,label.f select,label.f textarea{border:1.5px solid var(--line);border-radius:12px;padding:12px 13px;background:var(--cream);font-size:16px;font-weight:500;color:var(--ink);width:100%}
label.f input:focus,label.f select:focus,label.f textarea:focus{outline:none;border-color:var(--cua);background:#fff}
.seg{display:flex;gap:6px;background:var(--sand);padding:5px;border-radius:999px}
.seg label{flex:1;text-align:center;cursor:pointer}
.seg input{position:absolute;opacity:0}
.seg span{display:block;padding:9px 6px;border-radius:999px;font-weight:700;font-size:14px;color:var(--ink-2)}
.seg input:checked+span{background:#fff;color:var(--cua-deep);box-shadow:0 2px 8px rgba(0,0,0,.08)}
.send{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:16px}
.send .btn{padding:12px 8px;font-size:14.5px}
.note{font-size:13px;color:var(--ink-2);margin-top:10px}
.points{list-style:none;padding:0;margin:24px 0 0;display:grid;gap:14px}
.points li{display:flex;gap:14px;align-items:flex-start}
.points svg{flex:none;width:26px;height:26px;color:var(--cua);margin-top:2px}

/* sỉ band */
.si{background:var(--ink);color:var(--sand)}
.si h2{color:#fff}
.si .sub{color:#E7CDB8}
.si .panel{background:#fff;color:var(--ink)}
.si .points b{color:#fff}

/* map + footer */
.map{border-radius:24px;overflow:hidden;border:1px solid var(--line);min-height:320px;background:linear-gradient(135deg,var(--sand),#fff);display:grid;place-items:center;text-align:center;color:var(--ink-2);padding:24px}
.map iframe{width:100%;height:100%;min-height:360px;border:0}
.ft{background:#1E0F09;color:#D9BFA9;padding:56px 0 110px;font-size:14.5px}
.ft .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px}
.ft h4{color:#fff;margin:0 0 10px;font-size:16px}
.ft a{color:#F3D9C4;text-decoration:none}
.ft ul{list-style:none;margin:0;padding:0;display:grid;gap:6px}
.ft .logo{color:var(--son)}
.ft .copy{border-top:1px solid #3B2418;margin-top:32px;padding-top:18px;font-size:13px;color:#A88A75}

/* floating */
.fab{position:fixed;right:16px;bottom:18px;z-index:50;display:flex;flex-direction:column;gap:10px}
.fab a,.fab button{width:54px;height:54px;border-radius:50%;display:grid;place-items:center;box-shadow:0 8px 22px rgba(0,0,0,.25);border:0;cursor:pointer;color:#fff;text-decoration:none;font-weight:800;font-size:12px}
.fab .z{background:#0068FF}
.fab .p{background:var(--cua);animation:ring 2.4s infinite}
.fab .m{background:linear-gradient(135deg,#00B2FF,#A033FF)}
.fab svg{width:26px;height:26px}
@keyframes ring{0%,100%{box-shadow:0 0 0 0 rgba(228,87,46,.55),0 8px 22px rgba(0,0,0,.25)}60%{box-shadow:0 0 0 14px rgba(228,87,46,0),0 8px 22px rgba(0,0,0,.25)}}
.cartbar{position:fixed;left:12px;right:84px;bottom:18px;z-index:49;display:none;align-items:center;justify-content:space-between;gap:10px;background:var(--ink);color:#fff;border-radius:999px;padding:8px 8px 8px 20px;box-shadow:0 10px 28px rgba(0,0,0,.3);font-weight:600}
.cartbar.on{display:flex}

/* drawer */
.sheet{position:fixed;inset:0;z-index:60;display:none}
.sheet.on{display:block}
.sheet .bg{position:absolute;inset:0;background:rgba(30,12,5,.55)}
.sheet .box{position:absolute;right:0;top:0;bottom:0;width:min(460px,100%);background:var(--cream);display:flex;flex-direction:column;animation:slide .25s ease-out}
@keyframes slide{from{transform:translateX(40px);opacity:0}}
.sheet .top{display:flex;justify-content:space-between;align-items:center;padding:18px 20px;border-bottom:1px solid var(--line)}
.sheet .top h3{margin:0;font-family:var(--f-display);font-size:26px}
.sheet .x{width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:#fff;cursor:pointer;font-size:20px}
.sheet .mid{flex:1;overflow:auto;padding:16px 20px}
.line{display:flex;gap:12px;align-items:center;padding:10px 0;border-bottom:1px dashed var(--line)}
.line img{width:58px;height:58px;border-radius:12px;object-fit:cover}
.line .t{flex:1;font-size:14.5px}
.line .t b{display:block;font-size:15px}
.qty{display:flex;align-items:center;gap:6px}
.qty button{width:30px;height:30px;border-radius:50%;border:1.5px solid var(--line);background:#fff;cursor:pointer;font-weight:800}
.empty{text-align:center;color:var(--ink-2);padding:40px 10px}
.toast{position:fixed;left:50%;bottom:90px;transform:translateX(-50%);background:var(--ink);color:#fff;padding:12px 18px;border-radius:14px;z-index:80;font-size:14.5px;max-width:min(92vw,520px);box-shadow:var(--shadow);display:none}
.toast.on{display:block}
.demo-flag{position:fixed;left:12px;top:auto;bottom:86px;z-index:45;background:#fff;border:1.5px dashed var(--cua);color:var(--cua-deep);font-size:12px;font-weight:700;padding:5px 10px;border-radius:10px;display:none}

/* category page */
.cat-hero{position:relative;color:#fff;padding:90px 0 60px;overflow:hidden;background:#3a1a0e}
.cat-hero>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.cat-hero:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(32,12,5,.88),rgba(32,12,5,.35))}
.cat-hero .wrap{position:relative;z-index:1}
.cat-hero h1{font-family:var(--f-display);font-size:clamp(36px,5vw,64px);margin:10px 0;line-height:1.05}
.cat-hero p{max-width:56ch;color:#FBE2CF;font-size:17px}
.crumb{font-size:13.5px;color:#F3CDB4}
.crumb a{text-decoration:none}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 24px}
.chips a{text-decoration:none;border:1.5px solid var(--line);background:#fff;padding:8px 14px;border-radius:999px;font-weight:600;font-size:14px}
.chips a[aria-current=page]{background:var(--cua);border-color:var(--cua);color:#fff}
.faq details{background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px 18px;margin-bottom:10px}
.faq summary{font-weight:700;cursor:pointer}
.faq p{margin:10px 0 0;color:var(--ink-2)}

@media (max-width:980px){
  .nav{display:none}
  .pillars{grid-template-columns:1fr}
  .pillar{min-height:380px}
  .promos{grid-template-columns:1fr}
  .split{grid-template-columns:1fr}
  .trust .wrap{grid-template-columns:1fr 1fr}
  .ft .cols{grid-template-columns:1fr}
  .menu-btn{display:grid}
  .nav.open{display:flex;position:absolute;top:68px;left:0;right:0;flex-direction:column;background:var(--cream);padding:12px 16px;border-bottom:1px solid var(--line)}
}
@media (max-width:600px){
  body{font-size:15.5px}
  .hdr .wrap{height:60px;gap:10px}
  .logo{font-size:21px}
  .logo svg{width:32px;height:32px}
  .hdr-cta .btn{display:none}
  .nav+.hdr-cta{margin-left:auto}
  .nav.open{top:60px}
  .hero{min-height:auto}
  .hero .wrap{padding:150px 0 34px}
  .hero:after{background:linear-gradient(0deg,rgba(32,12,5,.94) 30%,rgba(32,12,5,.35) 70%,rgba(32,12,5,.2))}
  .hero-actions .btn{flex:1}
  .count .u{min-width:64px;flex:1}
  .count .u b{font-size:28px}
  .count .when{width:100%;margin:0}
  section.s{padding:56px 0}
  .grid{grid-template-columns:1fr 1fr;gap:12px}
  .card .bd{padding:12px}
  .card h3{font-size:15.5px}
  .card p{font-size:13px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
  .card .acts{flex-direction:column}
  .card .acts .btn{padding:9px 8px;font-size:13.5px}
  .sizes button{font-size:12px;padding:4px 9px}
  .price b{font-size:17px}
  .price .daily{font-size:14px}
  .fgrid{grid-template-columns:1fr}
  .panel{padding:20px}
  .trust .wrap{gap:14px}
  .trust div{font-size:13px}
  .trust svg{width:28px;height:28px}
  .fab a,.fab button{width:50px;height:50px}
}
@media (max-width:600px){
  body{padding-bottom:64px}
  .topbar .more{display:none}
  .price small{display:none}
  .fab{left:0;right:0;bottom:0;flex-direction:row;gap:0;background:#fff;border-top:1px solid var(--line);padding:6px 8px calc(6px + env(safe-area-inset-bottom));box-shadow:0 -6px 20px rgba(0,0,0,.08)}
  .fab a,.fab button{flex:1;width:auto;height:46px;border-radius:12px;margin:0 4px;box-shadow:none;animation:none;font-size:14px;gap:6px;display:flex;align-items:center;justify-content:center}
  .fab svg{width:20px;height:20px}
  .fab .lbl{display:inline!important}
  .cartbar{left:12px;right:12px;bottom:74px}
  .ft{padding-bottom:90px}
  .toast{bottom:140px}
}
.fab .lbl{display:none}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}
.mau{display:inline-block;font-size:11px;font-weight:600;letter-spacing:.02em;padding:1px 7px;border-radius:999px;background:rgba(232,163,61,.16);color:inherit;opacity:.8;vertical-align:middle;white-space:nowrap}

/* Ảnh thật tại quán */
.real{background:#fff}
.real-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.real-grid figure{margin:0;border-radius:20px;overflow:hidden;box-shadow:var(--shadow);aspect-ratio:4/5;background:#3a1a0e}
.real-grid img{width:100%;height:100%;object-fit:cover;display:block}
.cat-hero>img[src*="tom-cang-that"]{object-position:50% 70%}
@media(max-width:720px){.real-grid{grid-template-columns:1fr 1fr}.real-grid figure:first-child{grid-column:1/-1;aspect-ratio:4/3}}