:root{
  --reu:#0F684C;        /* xanh Artisan */
  --reu-dam:#0B2E22;
  --do:#AA1F2E;         /* đỏ Artisan */
  --suong:#EDF4F1;      /* nền sương lạnh */
  --suong-dam:#DCE9E4;
  --nghe:#E8B54A;       /* vàng nghệ — trạng thái "nóng" */
  --trang:#FFFFFF;
  --xam:#5C6E67;
}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:'Nunito Sans',sans-serif;color:var(--reu-dam);background:var(--suong)}
h1,h2,h3,.disp{font-family:'Oswald',sans-serif;text-transform:uppercase;letter-spacing:.01em}
img{max-width:100%}
a{text-decoration:none;color:inherit}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}

/* ── Banner phác thảo ─────────────────────── */
.draft{background:var(--do);color:#fff;text-align:center;font-size:12px;letter-spacing:.12em;padding:6px;text-transform:uppercase}

/* ── Topbar ───────────────────────────────── */
.topbar{background:var(--reu-dam);color:#CFE3DA;font-size:13px}
.topbar .wrap{display:flex;justify-content:space-between;padding-top:7px;padding-bottom:7px;flex-wrap:wrap;gap:6px}
.topbar b{color:#fff}

/* ── Header ───────────────────────────────── */
header{background:var(--trang);border-bottom:1px solid var(--suong-dam);position:sticky;top:0;z-index:50}
.hd{display:flex;align-items:center;gap:26px;padding:14px 20px;max-width:1180px;margin:0 auto}
.logo{font-family:'Be Vietnam Pro';font-weight:900;font-size:21px;line-height:1;color:var(--reu)}
.logo span{color:var(--do)}
.logo small{display:block;font-weight:600;font-size:9.5px;letter-spacing:.34em;color:var(--xam)}
.search{flex:1;display:flex;border:2px solid var(--reu);border-radius:999px;overflow:hidden}
.search input{flex:1;border:0;padding:10px 18px;font-size:14px;font-family:inherit;outline:none}
.search button{background:var(--reu);color:#fff;border:0;padding:0 22px;font-weight:700;cursor:pointer}
.hd-act{display:flex;gap:20px;font-size:13px;font-weight:700;color:var(--reu-dam)}
.hd-act .cart{position:relative}
.hd-act .cart i{position:absolute;top:-9px;right:-13px;background:var(--do);color:#fff;font-style:normal;font-size:10px;border-radius:999px;padding:1px 6px}

/* ── Nav danh mục ─────────────────────────── */
nav{background:var(--reu)}
nav .wrap{display:flex;gap:4px;overflow-x:auto;padding-top:0;padding-bottom:0}
nav a{color:#EAF5F0;font-size:13.5px;font-weight:600;padding:11px 13px;white-space:nowrap}
nav a:hover,nav a.on{background:rgba(255,255,255,.14);color:#fff}

/* ── Hero ─────────────────────────────────── */
.hero{background:linear-gradient(180deg,var(--suong) 0%,#F7FAF8 100%);padding:52px 0 46px}
.hero .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.eyebrow{display:inline-block;font-size:12px;font-weight:800;letter-spacing:.22em;color:var(--do);text-transform:uppercase;margin-bottom:14px}
.hero h1{font-size:clamp(30px,4.4vw,50px);font-weight:900;line-height:1.12;letter-spacing:-.015em}
.hero h1 em{font-style:normal;color:var(--reu)}
.hero p.lead{margin:18px 0 24px;font-size:16.5px;line-height:1.65;color:var(--xam);max-width:46ch}
.chips{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:26px}
.chip{background:var(--trang);border:1px solid var(--suong-dam);border-radius:999px;padding:7px 14px;font-size:12.5px;font-weight:700;color:var(--reu)}
.chip b{color:var(--reu-dam)}
.cta-row{display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-block;border-radius:999px;padding:13px 28px;font-weight:800;font-size:15px;font-family:'Be Vietnam Pro';cursor:pointer;border:0}
.btn-do{background:var(--do);color:#fff}
.btn-vien{background:transparent;color:var(--reu);border:2px solid var(--reu)}

/* ── Thẻ nhiệt độ (signature) ─────────────── */
.temp-card{background:var(--trang);border-radius:22px;box-shadow:0 24px 60px rgba(15,104,76,.14);overflow:hidden;position:relative}
.temp-stage{position:relative;height:290px;display:flex;align-items:center;justify-content:center;font-size:110px;transition:background .6s}
.temp-stage.lanh{background:linear-gradient(160deg,#DFF0EA,#C6DFD6)}
.temp-stage.nong{background:linear-gradient(160deg,#FCEFD4,#F6DCA6)}
.temp-stage .frost,.temp-stage .steam{position:absolute;inset:0;pointer-events:none;transition:opacity .6s}
.frost{background:
  radial-gradient(circle at 15% 20%, rgba(255,255,255,.85) 0 2px, transparent 3px),
  radial-gradient(circle at 80% 30%, rgba(255,255,255,.8) 0 2px, transparent 3px),
  radial-gradient(circle at 30% 75%, rgba(255,255,255,.8) 0 2px, transparent 3px),
  radial-gradient(circle at 65% 60%, rgba(255,255,255,.85) 0 2px, transparent 3px),
  radial-gradient(circle at 90% 85%, rgba(255,255,255,.8) 0 2px, transparent 3px)}
.steam{opacity:0;background:repeating-linear-gradient(100deg,transparent 0 26px,rgba(255,255,255,.5) 26px 30px)}
.nong .steam{opacity:.8;animation:hoi 3s linear infinite}
.nong .frost{opacity:0}
@keyframes hoi{to{background-position:60px 0}}
.temp-body{padding:20px 24px 24px}
.temp-badge{position:absolute;top:16px;left:16px;background:var(--reu-dam);color:#fff;font-size:12px;font-weight:800;border-radius:999px;padding:6px 14px;transition:background .5s}
.nong~.temp-body .temp-badge{background:var(--do)}
.temp-name{font-family:'Be Vietnam Pro';font-weight:800;font-size:18px}
.temp-note{color:var(--xam);font-size:13.5px;margin:4px 0 14px}
.temp-toggle{display:flex;background:var(--suong);border-radius:999px;padding:4px;gap:4px}
.temp-toggle button{flex:1;border:0;border-radius:999px;padding:10px;font-family:'Be Vietnam Pro';font-weight:800;font-size:13.5px;cursor:pointer;background:transparent;color:var(--xam);transition:.3s}
.temp-toggle button.on{background:var(--reu);color:#fff}
.temp-toggle button.on.n{background:var(--nghe);color:var(--reu-dam)}

/* ── 4 trụ cảm xúc ────────────────────────── */
.pillars{background:var(--trang);border-top:1px solid var(--suong-dam);border-bottom:1px solid var(--suong-dam)}
.pillars .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:0;padding-top:0;padding-bottom:0}
.pillar{padding:24px 20px;border-left:1px solid var(--suong-dam)}
.pillar:first-child{border-left:0}
.pillar b{display:block;font-family:'Be Vietnam Pro';font-size:14.5px;margin-bottom:5px;color:var(--reu)}
.pillar span{font-size:12.5px;color:var(--xam);line-height:1.5;display:block}

/* ── Section chung ────────────────────────── */
section{padding:52px 0}
.sec-head{display:flex;align-items:end;justify-content:space-between;margin-bottom:26px;gap:16px;flex-wrap:wrap}
.sec-head h2{font-size:clamp(21px,2.6vw,28px);font-weight:900;letter-spacing:-.01em}
.sec-head .more{font-size:13.5px;font-weight:800;color:var(--do)}
.kicker{font-size:11.5px;font-weight:800;letter-spacing:.2em;color:var(--reu);text-transform:uppercase;display:block;margin-bottom:6px}

/* ── Danh mục ─────────────────────────────── */
.cats{display:grid;grid-template-columns:repeat(9,1fr);gap:12px}
.cat{background:var(--trang);border-radius:16px;text-align:center;padding:18px 8px 14px;border:1px solid var(--suong-dam);transition:.25s;cursor:pointer;text-decoration:none;color:inherit;display:block}
.cat:hover{border-color:var(--reu);transform:translateY(-3px)}
.cat i{font-style:normal;font-size:30px;display:block;margin-bottom:8px}
.cat b{font-size:12px;font-weight:700;line-height:1.3;display:block}

/* ── Bộ lọc + sản phẩm ────────────────────── */
.filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:20px}
.f-chip{border:1.5px solid var(--suong-dam);background:var(--trang);border-radius:999px;padding:7px 15px;font-size:13px;font-weight:700;color:var(--xam);cursor:pointer;font-family:inherit;transition:.2s}
.f-chip.on{background:var(--reu);border-color:var(--reu);color:#fff}
.f-lbl{align-self:center;font-size:12px;font-weight:800;letter-spacing:.08em;color:var(--xam);margin-right:2px}
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.card{background:var(--trang);border-radius:18px;overflow:hidden;border:1px solid var(--suong-dam);transition:.25s;display:flex;flex-direction:column}
.card:hover{box-shadow:0 16px 40px rgba(15,104,76,.12);transform:translateY(-3px)}
.card .ph{height:150px;display:flex;align-items:center;justify-content:center;font-size:56px;background:linear-gradient(160deg,#E9F3EF,#DCEAE3);position:relative}
.tag{position:absolute;top:10px;left:10px;font-size:10.5px;font-weight:800;border-radius:6px;padding:3px 8px;color:#fff}
.tag.artisan{background:var(--reu)}
.tag.doitac{background:#5C6E67}
.tag.hot{background:var(--do);left:auto;right:10px}
.card .bd{padding:14px 16px 16px;display:flex;flex-direction:column;gap:6px;flex:1}
.card .nm{font-weight:800;font-size:14.5px;line-height:1.35}
.card .meta{display:flex;gap:6px;flex-wrap:wrap}
.mini{font-size:10.5px;font-weight:700;background:var(--suong);border-radius:5px;padding:2px 7px;color:var(--reu)}
.mini.rth{background:#FBEFD8;color:#8A6A1F}
.card .row{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:8px}
.price{font-family:'Be Vietnam Pro';font-weight:900;color:var(--do);font-size:16.5px}
.add{background:var(--reu);color:#fff;border:0;border-radius:10px;width:34px;height:34px;font-size:19px;font-weight:800;cursor:pointer}

/* ── Combo linh hoạt ──────────────────────── */
.combo{background:var(--reu);color:#EAF5F0;border-radius:26px;padding:40px;display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.combo h2{color:#fff;font-size:clamp(21px,2.6vw,28px);margin-bottom:12px}
.combo p{line-height:1.65;font-size:15px;margin-bottom:20px}
.combo .steps{display:grid;gap:12px}
.step{display:flex;gap:14px;align-items:start}
.step i{font-style:normal;background:rgba(255,255,255,.14);border-radius:12px;min-width:40px;height:40px;display:flex;align-items:center;justify-content:center;font-size:19px}
.step b{display:block;font-size:14.5px;color:#fff}
.step span{font-size:12.5px;opacity:.85}
.combo-cta{background:#fff;color:var(--reu);text-align:center;border-radius:18px;padding:28px 24px}
.combo-cta .big{font-family:'Be Vietnam Pro';font-weight:900;font-size:42px;line-height:1;color:var(--do)}
.combo-cta p{color:var(--xam);margin:8px 0 18px;font-size:13.5px}

/* ── Gian hàng thương hiệu ────────────────── */
.brands{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.brand{background:var(--trang);border-radius:18px;padding:24px 22px;border:1px solid var(--suong-dam)}
.brand.self{border:2px solid var(--reu)}
.brand .lg{font-family:'Be Vietnam Pro';font-weight:900;font-size:17px;margin-bottom:4px}
.brand .role{font-size:11px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;margin-bottom:10px;display:inline-block;border-radius:5px;padding:3px 8px}
.brand.self .role{background:#E3F1EB;color:var(--reu)}
.brand:not(.self) .role{background:var(--suong);color:var(--xam)}
.brand p{font-size:12.5px;color:var(--xam);line-height:1.55}

/* ── Chuỗi lạnh an toàn ───────────────────── */
.chain{background:var(--reu-dam);color:#DCEAE3}
.chain .wrap{padding-top:52px;padding-bottom:52px}
.chain h2{color:#fff}
.chain-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:30px;position:relative}
.chain-steps::before{content:"";position:absolute;top:26px;left:12%;right:12%;height:2px;background:repeating-linear-gradient(90deg,#3E6355 0 10px,transparent 10px 18px)}
.cstep{text-align:center;position:relative;padding:0 14px}
.cstep i{font-style:normal;background:var(--reu);border:3px solid var(--reu-dam);width:52px;height:52px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;font-size:22px;position:relative;z-index:1}
.cstep b{display:block;margin:12px 0 5px;font-family:'Be Vietnam Pro';font-size:14px;color:#fff}
.cstep span{font-size:12px;opacity:.8;line-height:1.5;display:block}
.certs{display:flex;gap:14px;flex-wrap:wrap;margin-top:34px;justify-content:center}
.cert{background:rgba(255,255,255,.07);border:1px solid #2E5044;border-radius:12px;padding:12px 20px;font-size:12.5px}
.cert b{color:#fff;display:block;font-size:13px}

/* ── Footer ───────────────────────────────── */
footer{background:var(--trang);border-top:1px solid var(--suong-dam);padding:44px 0 26px;font-size:13.5px;color:var(--xam)}
.ft{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:30px;max-width:1180px;margin:0 auto;padding:0 20px}
.ft b{display:block;color:var(--reu-dam);font-family:'Be Vietnam Pro';margin-bottom:10px;font-size:14px}
.ft p,.ft a{display:block;line-height:1.8}
.copy{text-align:center;margin-top:34px;font-size:12px;color:#9AAAA3}

@media(max-width:960px){
  .hero .wrap,.combo{grid-template-columns:1fr}
  .cats{grid-template-columns:repeat(3,1fr)}
  .grid{grid-template-columns:repeat(2,1fr)}
  .pillars .wrap{grid-template-columns:repeat(2,1fr)}
  .pillar{border-left:0;border-top:1px solid var(--suong-dam)}
  .brands,.chain-steps{grid-template-columns:repeat(2,1fr)}
  .chain-steps::before{display:none}
  .ft{grid-template-columns:1fr 1fr}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}