:root{--teal:#0f766e;--teal-d:#115e59;--leaf:#4d9a3f;--sun:#f5b82e;--bird:#f26b3a;--cream:#fffaf0;--ink:#1d2b27;--mut:#667a73;--line:#e6ede9;--card:#fff;--r:16px;--sh:0 6px 24px rgba(15,118,110,.08)}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Be Vietnam Pro','Segoe UI',system-ui,sans-serif;background:var(--cream);color:var(--ink);line-height:1.55;-webkit-text-size-adjust:100%}
a{color:inherit}button,input,select,textarea{font:inherit;color:inherit}
img{max-width:100%}
.wrap{max-width:1120px;margin:0 auto;padding:0 16px}
.mut{color:var(--mut)}
.notice{background:var(--sun);color:#3a2a00;font-size:.84rem;text-align:center;padding:7px 12px}
header.top{position:sticky;top:0;z-index:20;background:rgba(255,250,240,.93);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
header.top .wrap{display:flex;align-items:center;gap:12px;height:62px}
.logo{font-weight:800;font-size:1.3rem;color:var(--teal);text-decoration:none;letter-spacing:-.01em}
.logo i{color:var(--leaf);font-style:normal}
nav.links{margin-left:auto;margin-right:6px;display:flex;gap:20px;font-size:.92rem}
nav.links a{text-decoration:none;color:var(--mut);padding:4px 0;border-bottom:2px solid transparent}nav.links a:hover,nav.links a.on{color:var(--teal);border-color:var(--leaf)}
.cartbtn{border:0;background:var(--teal);color:#fff;border-radius:999px;padding:9px 16px;font-weight:700;cursor:pointer;display:flex;gap:8px;align-items:center}
.cartbtn b{background:var(--sun);color:#3a2a00;border-radius:999px;min-width:22px;height:22px;display:grid;place-items:center;font-size:.8rem;padding:0 6px}
/* hero */
.hero{padding:54px 0 36px;background:radial-gradient(1200px 400px at 85% -10%,#cfeee0 0,transparent 60%),linear-gradient(135deg,#e7f6ee 0%,#fff3d1 100%);border-bottom:1px solid var(--line)}
.hero h1{font-size:clamp(1.7rem,5vw,2.8rem);line-height:1.15;letter-spacing:-.02em;color:var(--teal-d);max-width:680px}
.hero p{margin-top:14px;color:var(--mut);max-width:560px;font-size:1.02rem}
.hero .cta-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}
.cta{display:inline-block;background:var(--bird);color:#fff;text-decoration:none;font-weight:700;padding:12px 22px;border-radius:999px;border:0;cursor:pointer}
.cta.alt{background:#fff;color:var(--teal);border:1.5px solid var(--teal)}
.trust{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:28px}
.trust div{background:rgba(255,255,255,.75);border:1px solid var(--line);border-radius:14px;padding:12px 14px;font-size:.88rem;font-weight:600;color:var(--teal-d);display:flex;gap:8px;align-items:center}
.trust span{font-size:1.2rem}
section{padding:36px 0}
h2.sec{font-size:1.4rem;margin-bottom:6px;color:var(--teal-d);letter-spacing:-.01em}
.sec-sub{color:var(--mut);margin-bottom:18px;font-size:.92rem}
.tools{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:14px}
.tools input[type=search]{flex:1;min-width:180px;border:1.5px solid var(--line);border-radius:999px;padding:9px 16px;background:#fff}
.tools select{border:1.5px solid var(--line);border-radius:999px;padding:9px 14px;background:#fff}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px}
.chip{border:1.5px solid var(--line);background:#fff;border-radius:999px;padding:6px 14px;cursor:pointer;font-size:.88rem}
.chip.on{background:var(--teal);border-color:var(--teal);color:#fff}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:18px}
.card{background:var(--card);border-radius:var(--r);overflow:hidden;border:1px solid var(--line);display:flex;flex-direction:column;transition:box-shadow .2s,transform .2s;box-shadow:var(--sh)}
.card:hover{transform:translateY(-2px);box-shadow:0 10px 30px rgba(15,118,110,.14)}
.card .img{aspect-ratio:4/3;background:linear-gradient(135deg,#d9f0e3,#f7e6b0);display:grid;place-items:center;font-size:3rem;overflow:hidden;cursor:pointer;position:relative}
.card .img img{width:100%;height:100%;object-fit:cover}
.badge{position:absolute;top:10px;left:10px;background:var(--bird);color:#fff;font-size:.74rem;font-weight:800;padding:3px 9px;border-radius:999px}
.card .body{padding:12px 14px 14px;display:flex;flex-direction:column;gap:6px;flex:1}
.card h3{font-size:1rem;line-height:1.3;cursor:pointer}
.card .desc{color:var(--mut);font-size:.85rem;flex:1;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.price{font-weight:800;color:var(--bird);font-size:1.08rem}.price s{color:var(--mut);font-weight:400;font-size:.82rem;margin-left:6px}
.stock{font-size:.78rem;color:var(--mut)}.stock.low{color:var(--bird)}
.add{border:0;border-radius:10px;background:var(--leaf);color:#fff;font-weight:700;padding:9px;cursor:pointer}
.add:disabled{background:#c5cfca;cursor:not-allowed}
.empty{color:var(--mut);padding:24px 0}
/* bài viết */
.posts{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:18px}
.post{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;text-decoration:none;display:flex;flex-direction:column;box-shadow:var(--sh)}
.post .pimg{aspect-ratio:16/9;background:linear-gradient(135deg,#d9f0e3,#f7e6b0);display:grid;place-items:center;font-size:2.4rem;overflow:hidden}
.post .pimg img{width:100%;height:100%;object-fit:cover}
.post .pb{padding:14px;display:flex;flex-direction:column;gap:6px}
.post .tag{font-size:.74rem;font-weight:700;color:var(--leaf);text-transform:uppercase;letter-spacing:.04em}
.post h3{font-size:1.02rem;line-height:1.35}
.post p{font-size:.86rem;color:var(--mut)}
.article{max-width:740px;margin:0 auto;padding:30px 16px 50px}
.article h1{font-size:clamp(1.5rem,4vw,2.2rem);line-height:1.2;color:var(--teal-d);letter-spacing:-.02em}
.article .meta{color:var(--mut);font-size:.86rem;margin:8px 0 18px}
.article .cover{width:100%;border-radius:var(--r);margin-bottom:18px;aspect-ratio:16/9;object-fit:cover}
.md h2{font-size:1.3rem;margin:26px 0 8px;color:var(--teal-d)}.md h3{font-size:1.08rem;margin:18px 0 6px}
.md p{margin:10px 0}.md ul,.md ol{margin:10px 0 10px 22px}.md li{margin:4px 0}.md a{color:var(--teal);font-weight:600}
.md-img{max-width:100%;border-radius:12px;display:block;margin:8px auto}
/* CTA CTV */
.band{background:linear-gradient(135deg,var(--teal),#14917f);color:#fff;border-radius:22px;padding:30px 24px;display:flex;gap:18px;align-items:center;justify-content:space-between;flex-wrap:wrap}
.band h2{font-size:1.4rem;line-height:1.25;max-width:520px}.band p{opacity:.9;margin-top:6px;max-width:520px;font-size:.94rem}
.band .cta{background:var(--sun);color:#3a2a00}
/* drawer & modal */
.ov{position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:40;display:none}.ov.on{display:block}
.drawer{position:fixed;top:0;right:0;bottom:0;width:min(420px,100%);background:#fff;z-index:50;transform:translateX(100%);transition:transform .25s;display:flex;flex-direction:column}
.drawer.on{transform:none}
.drawer header{padding:16px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;font-weight:800}
.x{border:0;background:none;font-size:1.5rem;cursor:pointer;line-height:1}
.drawer .items{flex:1;overflow:auto;padding:8px 16px}
.drawer .foot{padding:0 16px 16px}
.line{display:grid;grid-template-columns:1fr auto;gap:4px 10px;padding:12px 0;border-bottom:1px solid var(--line);font-size:.92rem}
.qty{display:inline-flex;align-items:center;border:1.5px solid var(--line);border-radius:8px}
.qty button{border:0;background:none;width:30px;height:30px;cursor:pointer;font-size:1.1rem}
.qty span{min-width:26px;text-align:center}
.rm{border:0;background:none;color:var(--mut);font-size:.8rem;cursor:pointer;text-decoration:underline}
.sum{padding:14px 16px;border-top:1px solid var(--line);font-size:.92rem}
.sum div{display:flex;justify-content:space-between;padding:2px 0}.sum .tot{font-weight:800;font-size:1.1rem;color:var(--teal-d)}.sum .disc{color:var(--leaf);font-weight:700}
.btn{border:0;border-radius:12px;background:var(--bird);color:#fff;font-weight:800;padding:13px;cursor:pointer;width:100%;margin-top:10px}
.btn:disabled{opacity:.6;cursor:wait}
.btn.alt{background:#fff;color:var(--teal);border:1.5px solid var(--teal)}
.modal{position:fixed;left:50%;top:50%;transform:translate(-50%,-50%);width:min(500px,calc(100% - 24px));max-height:92vh;overflow:auto;background:#fff;border-radius:var(--r);z-index:60;padding:20px;display:none}
.modal.wide{width:min(860px,calc(100% - 24px))}
.modal.on{display:block}
.modal h3{margin-bottom:12px;color:var(--teal-d)}
.gal{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.gal .main{aspect-ratio:1;border-radius:14px;overflow:hidden;background:linear-gradient(135deg,#d9f0e3,#f7e6b0);display:grid;place-items:center;font-size:4rem}
.gal .main img{width:100%;height:100%;object-fit:cover}
.thumbs{display:flex;gap:8px;margin-top:8px;flex-wrap:wrap}
.thumbs img{width:56px;height:56px;object-fit:cover;border-radius:8px;border:2px solid transparent;cursor:pointer}.thumbs img.on{border-color:var(--teal)}
.gal .info h3{font-size:1.3rem;margin-bottom:6px}.gal .info .price{font-size:1.3rem;margin:6px 0}
.gal .info p.d{color:var(--mut);white-space:pre-line;margin:10px 0}
label{display:block;font-size:.8rem;font-weight:700;margin:10px 0 4px}
input[type=text],input[type=tel],input[type=password],input[type=search],input[type=number],input[type=email],input[type=date],textarea,select{width:100%;border:1.5px solid var(--line);border-radius:10px;padding:10px 12px;background:#fff}
input:focus,textarea:focus,select:focus{outline:2px solid var(--teal);outline-offset:1px;border-color:transparent}
.pay{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.pay label{margin:0;border:1.5px solid var(--line);border-radius:10px;padding:10px;font-weight:600;font-size:.88rem;cursor:pointer;display:flex;gap:8px;align-items:center}
.pay input:checked+span{color:var(--teal);font-weight:800}
.promo-row{display:flex;gap:8px}.promo-row button{border:0;background:var(--teal);color:#fff;border-radius:10px;padding:0 16px;font-weight:700;cursor:pointer}
.err{background:#fdecea;border-left:4px solid #c0392b;border-radius:8px;padding:9px 12px;font-size:.85rem;margin-top:10px}
.ok{background:#e7f6ee;border-left:4px solid var(--leaf);border-radius:8px;padding:12px;font-size:.9rem;margin:8px 0}
.bank{background:var(--cream);border:1.5px dashed var(--sun);border-radius:12px;padding:12px;margin-top:10px;font-size:.9rem}
.bank code{background:#fff;border-radius:6px;padding:1px 7px;font-weight:800;color:var(--teal-d)}
.hp{position:absolute;left:-9999px;opacity:0;height:0;width:0}
.track{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:18px;max-width:560px}
.track .row{display:flex;gap:8px;flex-wrap:wrap}.track input{flex:1;min-width:140px}
.track button{border:0;background:var(--teal);color:#fff;border-radius:10px;padding:10px 18px;font-weight:700;cursor:pointer}
footer{background:var(--teal-d);color:#cfe8e2;padding:30px 0;font-size:.88rem}
footer a{color:#fff;display:block;text-decoration:none;margin-top:5px}footer a:hover{text-decoration:underline}
footer .foot{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:22px}
footer b{color:#fff;display:block;margin-bottom:4px}footer .mut{color:#9fc7be;display:block;margin-top:5px}
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);background:var(--ink);color:#fff;padding:10px 18px;border-radius:999px;z-index:90;font-size:.88rem;opacity:0;pointer-events:none;transition:opacity .2s;max-width:92vw;text-align:center}
.toast.on{opacity:1}.toast.bad{background:#b3261e}
@media(max-width:700px){.gal{grid-template-columns:1fr}.trust{grid-template-columns:1fr}}
@media(max-width:560px){nav.links{display:none}header.top .cartbtn{margin-left:auto}.grid{grid-template-columns:repeat(2,1fr);gap:10px}.card h3{font-size:.92rem}.hero{padding:34px 0 24px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}