:root{--navy:#1b2a5e;--navy-2:#2c3f82;--navy-soft:#eef1f8;--ink:#111;--muted:#5b6070;--line:#dfe2ea;--ok:#1d7a3e;--warn:#a15c00;--bad:#b3261e;--gray:#e6e7ea;--radius:10px}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:#fff;color:var(--ink);font-family:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;font-size:16px;line-height:1.5}
a{color:var(--navy)}
img{max-width:100%}
h1,h2,h3,h4{line-height:1.25;margin:0 0 .5em}
h1{font-size:1.5rem}h2{font-size:1.25rem}h3{font-size:1.05rem}
p{margin:0 0 .75em}
.wrap{max-width:1120px;margin:0 auto;padding:0 14px}
.muted{color:var(--muted)}
.small{font-size:.875rem}
/* header */
.site-header{position:relative;z-index:20;border-top:4px solid transparent;border-image:linear-gradient(90deg,#041c4d 0 25%,#fecf41 25% 50%,#f88f9b 50% 75%,#7dbe87 75%) 1;background:#fff;border-bottom:1px solid var(--line)}
.top{display:flex;align-items:center;gap:8px;padding-top:8px;padding-bottom:6px;min-height:52px}
.logo{display:inline-flex;align-items:center;flex:0 0 auto;text-decoration:none}
.logo img{height:30px;width:auto;display:block}
.foot-brand{display:inline-flex;flex-direction:column;align-items:flex-start;gap:3px}
.foot-logo{height:28px;width:auto;display:block}
.foot-tagline{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--navy);font-weight:600;line-height:1.2}
.search{flex:1;display:flex;min-width:0}
.search input{flex:1;min-width:0;border:1px solid var(--line);border-right:0;border-radius:8px 0 0 8px;padding:8px 10px;font-size:15px}
.search button{border:0;background:var(--navy);color:#fff;border-radius:0 8px 8px 0;padding:0 12px;font-size:15px}
.cart-link{text-decoration:none;font-weight:600;white-space:nowrap;border:1px solid var(--navy);border-radius:8px;padding:6px 10px}
.badge{display:inline-block;min-width:20px;padding:0 5px;border-radius:10px;background:var(--navy);color:#fff;font-size:.8rem;text-align:center}
.contact-line{display:flex;gap:14px;flex-wrap:wrap;align-items:center;font-size:.9rem;padding-bottom:6px}
#hdrZalo{font-weight:700;text-decoration:none;border:1px solid var(--navy);border-radius:6px;padding:1px 8px}
.menu{background:var(--navy);position:relative}
.menu::after{content:'';position:absolute;right:0;top:0;bottom:0;width:28px;background:linear-gradient(90deg,rgba(27,42,94,0),var(--navy));pointer-events:none}
.menu-inner{display:flex;gap:4px;overflow-x:auto;white-space:nowrap;scrollbar-width:none}
.menu-inner::-webkit-scrollbar{display:none}
.menu a{color:#fff;text-decoration:none;padding:10px 10px;font-size:.95rem;font-weight:500}
.menu a.active{box-shadow:inset 0 -3px 0 #fff}
main{padding-top:16px;padding-bottom:32px;outline:none;min-height:60vh}
/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:46px;padding:10px 18px;border-radius:var(--radius);border:2px solid var(--navy);background:var(--navy);color:#fff;font-weight:600;font-size:1rem;text-decoration:none;cursor:pointer;text-align:center}
.btn.outline{background:#fff;color:var(--navy)}
.btn.block{display:flex;width:100%}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn-row{display:flex;gap:10px;flex-wrap:wrap}
.btn-row .btn{flex:1 1 160px}
/* hero */
.hero{padding:6px 0 18px}
.hero h1{font-size:1.35rem}
.slogan{color:var(--navy);font-weight:600}
/* cards */
.doors{display:grid;gap:12px;grid-template-columns:1fr}
.door{border:1px solid var(--line);border-radius:var(--radius);padding:14px;text-decoration:none;color:var(--ink);display:block}
.door h3{color:var(--navy)}
.door .eta{font-size:.9rem;font-weight:600}
.chips{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;padding:4px 0}
.tabs .chip{flex:1}
.chip{text-align:center;border:1.5px solid var(--navy);color:var(--navy);border-radius:999px;padding:9px 6px;font-size:.9rem;text-decoration:none;font-weight:600;background:#fff;white-space:nowrap}
.chip.on{background:var(--navy);color:#fff}
section{margin:22px 0}
.sec-head{display:flex;justify-content:space-between;align-items:baseline;gap:10px}
.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.card{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;background:#fff}
.card a.card-link{color:inherit;text-decoration:none;display:flex;flex-direction:column;flex:1}
.card .body{padding:10px;display:flex;flex-direction:column;gap:4px;flex:1}
.card .name{font-size:.95rem;font-weight:500;line-height:1.3}
.price{font-weight:800;color:var(--ink);font-size:1.05rem}
.price-big{font-size:1.5rem;font-weight:800}
.tag{display:inline-block;font-size:.78rem;font-weight:700;border-radius:6px;padding:2px 7px;width:max-content;max-width:100%}
.tag.ready{background:#e7f4ec;color:var(--ok)}
.tag.made{background:var(--navy-soft);color:var(--navy)}
.tag.out{background:#fbe9e7;color:var(--bad)}
.ph{background:var(--gray);color:#555;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;aspect-ratio:1/1;font-size:.85rem;padding:6px}
.ph b{font-weight:600;color:#333}
.logo-block{background:var(--navy);color:#fff;border-radius:var(--radius);padding:18px}
.logo-block h2{color:#fff}
.logo-block .btn{background:#fff;color:var(--navy);border-color:#fff}
.promises{display:grid;grid-template-columns:1fr;gap:10px}
.promise{border-left:4px solid var(--navy);padding:8px 12px;background:var(--navy-soft);border-radius:0 8px 8px 0}
/* product */
.pd{display:grid;gap:18px;grid-template-columns:minmax(0,1fr)}
.gallery{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
.gallery .ph{aspect-ratio:1/1}
.gallery .ph:first-child{grid-column:1/-1;aspect-ratio:16/10}
.sizes{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.size-btn{border:1.5px solid var(--navy);background:#fff;color:var(--navy);border-radius:8px;padding:8px 4px;display:flex;flex-direction:column;align-items:center;cursor:pointer;font-size:.8rem;min-height:58px}
.size-btn b{font-size:1.05rem}
.size-btn.sel{background:var(--navy);color:#fff}
.size-btn:disabled{border-color:#ccc;color:#999;background:#f4f4f4;cursor:not-allowed;text-decoration:line-through}
.qty{display:inline-flex;border:1px solid var(--line);border-radius:8px;overflow:hidden}
.qty button{width:40px;height:40px;border:0;background:var(--navy-soft);font-size:1.2rem;cursor:pointer}
.qty input,.qty input[type=number]{width:56px;padding:0;border-radius:0;border:0;text-align:center;font-size:1rem}
table{border-collapse:collapse;width:100%;font-size:.9rem}
th,td{border:1px solid var(--line);padding:6px 8px;text-align:left}
th{background:var(--navy-soft)}
.table-wrap{overflow-x:auto}
dl.spec{display:grid;grid-template-columns:110px 1fr;gap:4px 10px;margin:0}
dl.spec dt{color:var(--muted)}dl.spec dd{margin:0}
.note{background:#fff8e6;border:1px solid #f1d9a6;border-radius:8px;padding:10px;font-size:.9rem}
.box{border:1px solid var(--line);border-radius:var(--radius);padding:14px}
/* forms */
form .field{margin-bottom:12px}
label{display:block;font-weight:600;margin-bottom:4px;font-size:.95rem}
input[type=text],input[type=tel],input[type=email],input[type=number],input[type=date],select,textarea{width:100%;padding:10px;border:1px solid #bfc4d0;border-radius:8px;font-size:16px;background:#fff;font-family:inherit}
textarea{min-height:80px}
.radio-row{display:flex;flex-wrap:wrap;gap:8px}
.radio-row label{font-weight:500;border:1px solid var(--line);border-radius:8px;padding:8px 12px;display:flex;gap:6px;align-items:center;cursor:pointer}
.two{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.err{color:var(--bad);font-size:.85rem;margin-top:4px}
.req{color:var(--bad)}
/* cart */
.line{display:grid;grid-template-columns:64px 1fr;gap:10px;border-bottom:1px solid var(--line);padding:10px 0}
.line .ph{aspect-ratio:1/1;font-size:.6rem}
.sum-row{display:flex;justify-content:space-between;padding:4px 0}
.sum-row.total{font-weight:800;font-size:1.15rem;border-top:1px solid var(--line);margin-top:6px;padding-top:8px}
.success{text-align:center;padding:20px 0}
.code{display:inline-block;font-size:2rem;font-weight:800;color:var(--navy);border:2px dashed var(--navy);border-radius:10px;padding:6px 18px;letter-spacing:1px;margin:8px 0}
/* filters */
details.filters{border:1px solid var(--line);border-radius:var(--radius);padding:10px 12px;margin-bottom:14px}
details.filters summary{font-weight:700;cursor:pointer}
.fgroup{margin:10px 0}
.fgroup h4{font-size:.9rem;margin-bottom:6px}
.fopts{display:flex;flex-wrap:wrap;gap:6px}
.fopt{border:1px solid var(--line);border-radius:999px;padding:5px 12px;font-size:.88rem;text-decoration:none;color:var(--ink);background:#fff}
.fopt.on{background:var(--navy);color:#fff;border-color:var(--navy)}
/* owner */
.tabs{display:flex;gap:8px;margin-bottom:12px}
.item{border:1px solid var(--line);border-radius:var(--radius);padding:12px;margin-bottom:10px}
.item-head{display:flex;justify-content:space-between;gap:8px;flex-wrap:wrap;align-items:center}
.item select{width:auto}
.faq details{border-bottom:1px solid var(--line);padding:10px 0}
.faq summary{font-weight:600;cursor:pointer}
.crumbs{font-size:.85rem;margin-bottom:10px;color:var(--muted)}
.crumbs a{color:var(--muted)}
/* footer */
.site-footer{background:#f6f7fa;border-top:1px solid var(--line);padding:22px 0 10px;font-size:.92rem}
.foot-grid{display:grid;gap:16px}
.foot-links{list-style:none;padding:0;margin:0}
.foot-links li{margin:4px 0}
.copy{padding-top:12px;font-size:.8rem}
.toast{position:fixed;left:50%;bottom:20px;transform:translateX(-50%);background:var(--ink);color:#fff;padding:10px 16px;border-radius:8px;opacity:0;pointer-events:none;transition:opacity .2s;z-index:50;max-width:90vw}
.toast.show{opacity:1}
@media (min-width:720px){
  .logo img{height:34px}

  .site-header{position:sticky;top:0}
  .gallery .ph:first-child{aspect-ratio:1/1}
  .grid{grid-template-columns:repeat(4,minmax(0,1fr))}
  .doors,.promises{grid-template-columns:repeat(3,1fr)}
  .doors.four{grid-template-columns:repeat(2,1fr)}
  .pd{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
  .sizes{grid-template-columns:repeat(4,1fr)}
  .foot-grid{grid-template-columns:2fr 1fr 1fr}
  .cat-layout{display:grid;grid-template-columns:240px 1fr;gap:18px}
  .hero h1{font-size:1.7rem}
}

/* ảnh sản phẩm */
.pimg{position:relative;aspect-ratio:1/1;background:#f1f2f5;overflow:hidden}
.pimg img{display:block;width:100%;height:100%;object-fit:cover}
.pimg-label{position:absolute;left:6px;top:6px;background:rgba(255,255,255,.88);color:#333;font-size:.68rem;font-weight:600;padding:1px 6px;border-radius:4px;border:1px solid #dfe2ea;pointer-events:none}
.pimg-fallback{display:none}
.pimg.noimg{display:flex;align-items:center;justify-content:center;background:var(--gray)}
.pimg.noimg .pimg-fallback{display:block;color:#555;font-size:.85rem}
.pimg.noimg .pimg-label{display:none}
.gallery .pimg.main{grid-column:1/-1}
.line .pimg .pimg-label{font-size:.5rem;left:2px;top:2px;padding:0 3px}
@media (min-width:720px){.gallery .pimg.main{aspect-ratio:1/1}}

.tag.thu{background:#fff1c9;color:#6b3f00;border:1px solid #f3d27a}
.autumn .sec-head h2::before{content:'';display:inline-block;width:10px;height:10px;border-radius:50%;background:#c8743a;margin-right:8px;vertical-align:middle}
.designer{display:flex;gap:14px;align-items:center;border:1px solid var(--line);border-radius:14px;padding:12px;max-width:640px;background:#fffdf8}
.designer img{width:132px;height:auto;aspect-ratio:3/2;object-fit:cover;border-radius:12px;flex:0 0 auto;display:block}
.designer h3{margin:0 0 4px;color:var(--navy)}
.designer p{margin:0 0 4px}
.about-photo{margin:14px 0}
.about-photo img{width:100%;max-width:640px;height:auto;border-radius:14px;display:block}
@media (min-width:720px){.designer img{width:220px}}

.pimg.portrait{aspect-ratio:3/4}
.pimg-real{position:absolute;left:6px;top:6px;background:rgba(4,28,77,.82);color:#fff;font-size:.66rem;font-weight:600;padding:1px 6px;border-radius:4px;pointer-events:none;letter-spacing:.02em}
.line .pimg .pimg-real{font-size:.5rem;left:2px;top:2px;padding:0 3px}
.gallery .pimg.main.portrait{aspect-ratio:3/4}
@media (min-width:720px){.gallery .pimg.main.portrait{aspect-ratio:3/4}}
.pimg.noimg .pimg-real{display:none}

/* footer: wordmark + ảnh nhà thiết kế */
.foot-brand-row{display:flex;align-items:center;gap:16px;margin-bottom:10px;flex-wrap:nowrap}
.foot-designer{margin:0;flex:0 0 auto}
.foot-designer img{display:block;height:100px;width:150px;object-fit:cover;object-position:center 30%;border-radius:12px;box-shadow:0 2px 8px rgba(4,28,77,.14)}
.foot-designer figcaption{font-size:12px;color:var(--muted);margin-top:4px;line-height:1.2}
@media (max-width:599px){
  .foot-brand-row{flex-direction:column;align-items:flex-start;gap:10px}
  .foot-designer img{height:84px;width:126px}
}