/* Layout: dải phim âm bản làm hero; cửa hàng như tờ contact sheet (loại → hãng → máy); trang máy = gallery + thông số + ảnh mẫu có thông số chụp in kiểu mép phim. */
/* Màu lấy từ logo: nâu #4A2C14 và kem #FBF7EC */
:root{
  --paper:#F5EFE4; --paper-2:#EAE0CF; --ink:#2C1B0D; --muted:#6F5E4C; --line:#D9CCB8;
  --edge:#E8C27A; --base:#4A2C14; --accent:#9A4E1C; --card:#FBF7EE; --ok:#3F6B3A; --hold:#9A6A12;
  --brand:#4A2C14;
  --f-display:"Big Shoulders Display","Arial Narrow",Impact,sans-serif;
  --f-body:"Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",sans-serif;
  --f-mono:"JetBrains Mono",ui-monospace,Menlo,Consolas,monospace;
  --wrap:1180px;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --paper:#1B130C;--paper-2:#251A10;--ink:#F3EBDD;--muted:#B5A38E;--line:#3B2C1E;
  --edge:#E8C27A;--base:#3A2210;--accent:#DB8F4E;--card:#22170E;--ok:#8CC27F;--hold:#E0B04E;--brand:#FBF7EC;color-scheme:dark}}
:root[data-theme="dark"]{
  --paper:#1B130C;--paper-2:#251A10;--ink:#F3EBDD;--muted:#B5A38E;--line:#3B2C1E;
  --edge:#E8C27A;--base:#3A2210;--accent:#DB8F4E;--card:#22170E;--ok:#8CC27F;--hold:#E0B04E;--brand:#FBF7EC;color-scheme:dark}

*{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--f-body);font-size:16px;line-height:1.6;padding-inline:16px}
img{max-width:100%;display:block}
.wrap{max-width:var(--wrap);margin-inline:auto}
h1,h2,h3{font-family:var(--f-display);text-transform:uppercase;letter-spacing:.01em;line-height:.95;margin:0;text-wrap:balance}
p{margin:0}
a{color:inherit}
button{font:inherit;color:inherit;cursor:pointer}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.mono{font-family:var(--f-mono);font-size:.75rem;letter-spacing:.08em;text-transform:uppercase}
.muted{color:var(--muted)}

/* Header */
header.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:var(--paper);border-bottom:1px solid var(--line);margin-inline:-16px;padding:12px 16px}
.top .wrap{display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.logo{display:block;text-decoration:none;line-height:0}
.logo-mark{display:block;height:44px;aspect-ratio:879/327;background:var(--brand);
  -webkit-mask:url(logo.png) center/contain no-repeat;mask:url(logo.png) center/contain no-repeat}
footer .logo-mark{height:56px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
nav.main{display:flex;gap:18px;margin-left:auto;flex-wrap:wrap}
nav.main a{text-decoration:none;font-weight:500;font-size:.95rem;padding-block:2px;border-bottom:2px solid transparent}
nav.main a:hover,nav.main a[aria-current="page"]{border-color:var(--accent)}
.pill-btn{border:1.5px solid var(--ink);background:none;border-radius:999px;padding:6px 14px;font-weight:600;font-size:.9rem;text-decoration:none;display:inline-flex;gap:8px;align-items:center}
.pill-btn:hover{background:var(--ink);color:var(--paper)}
.btn{background:var(--accent);color:#fff;border:none;border-radius:999px;padding:11px 20px;font-weight:700;text-decoration:none;display:inline-flex;align-items:center;gap:8px}
.btn:hover{filter:brightness(1.08)}
.btn.ghost{background:none;color:var(--ink);border:1.5px solid var(--ink)}

/* Hero */
.hero{padding-block:52px 28px;display:grid;grid-template-columns:1.3fr 1fr;gap:40px;align-items:end}
.hero h1{font-size:clamp(3.4rem,10vw,7.6rem);font-weight:900}
.hero h1 span{color:var(--accent)}
.hero .lede{font-size:1.08rem;max-width:46ch;color:var(--muted)}
.hero .meta{display:flex;gap:18px;flex-wrap:wrap;margin-top:18px}
.hero .meta div{border-top:2px solid var(--ink);padding-top:6px;min-width:110px}
.hero .meta strong{display:block;font-family:var(--f-display);font-size:1.8rem;font-weight:800;font-variant-numeric:tabular-nums}

/* Dải phim */
.strip-scroll{overflow-x:auto;margin-inline:-16px;padding-inline:16px;scrollbar-width:thin}
.strip{background:var(--base);padding:34px 18px;display:flex;gap:14px;width:max-content;position:relative;border-radius:4px}
.strip::before,.strip::after{content:"";position:absolute;left:0;right:0;height:14px;background:repeating-linear-gradient(90deg,transparent 0 9px,var(--paper) 9px 19px,transparent 19px 26px);opacity:.85}
.strip::before{top:8px}.strip::after{bottom:8px}
.frame-wrap{position:relative;flex:none}
.frame-wrap button{padding:0;border:none;background:none;display:block}
.frame-wrap img{width:230px;aspect-ratio:3/2;object-fit:cover;border-radius:3px}
.edge{position:absolute;left:2px;color:var(--edge);font-family:var(--f-mono);font-size:.62rem;letter-spacing:.06em;white-space:nowrap}
.edge.t{top:-22px}.edge.b{bottom:-23px}

/* Sections */
section{padding-block:60px 0}
.sec-head{display:flex;align-items:end;justify-content:space-between;gap:16px;flex-wrap:wrap;border-bottom:2px solid var(--ink);padding-bottom:12px;margin-bottom:24px}
.sec-head h2{font-size:clamp(2.4rem,6vw,4rem);font-weight:900}
.sec-head a{font-weight:600;text-decoration:none}
.sec-head a:hover{color:var(--accent)}
.page-head{padding-block:40px 8px}
.page-head h1{font-size:clamp(3rem,9vw,6rem);font-weight:900}
.crumbs{display:flex;gap:8px;flex-wrap:wrap;color:var(--muted);margin-bottom:14px}
.crumbs a{text-decoration:none}.crumbs a:hover{color:var(--accent)}

/* Category tiles */
.cats{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}
.cat{display:flex;flex-direction:column;gap:10px;padding:20px;border:1.5px solid var(--ink);border-radius:4px;text-decoration:none;min-width:0;background:var(--card)}
.cat:hover{background:var(--ink);color:var(--paper)}
.cat h3{font-size:2.2rem;font-weight:900}
.cat .count{font-family:var(--f-mono);font-size:.75rem;color:var(--accent)}
.cat .brands{font-size:.9rem;opacity:.8}

/* Brand chips */
.chips{display:flex;gap:8px;flex-wrap:wrap;margin-block:18px 26px}
.chip{border:1.5px solid var(--line);background:none;border-radius:999px;padding:5px 14px;font-size:.88rem;font-weight:500;text-decoration:none}
.chip b{font-family:var(--f-mono);font-weight:400;font-size:.75rem;color:var(--muted);margin-left:4px}
.chip[aria-current="true"]{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.chip[aria-current="true"] b{color:var(--paper)}
.brand-block+.brand-block{margin-top:40px}
.brand-title{display:flex;align-items:baseline;gap:12px;margin-bottom:14px}
.brand-title h2{font-size:2.4rem;font-weight:900}
.brand-title a{font-size:.9rem;font-weight:600}

/* Product cards */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:20px}
.prod{background:var(--card);border:1px solid var(--line);border-radius:4px;display:flex;flex-direction:column;min-width:0;text-decoration:none;overflow:hidden}
.prod:hover h3{color:var(--accent)}
.prod .shot{aspect-ratio:3/2;background:var(--paper-2);position:relative;border-bottom:1px solid var(--line)}
.prod .shot img{width:100%;height:100%;object-fit:cover}
.prod .grade{position:absolute;top:8px;right:10px;font-family:var(--f-display);font-weight:800;font-size:1.3rem;color:#fff;text-shadow:0 1px 3px rgba(0,0,0,.6)}
.prod .body{padding:14px 16px 16px;display:flex;flex-direction:column;gap:6px;flex:1}
.prod h3{font-size:1.55rem;font-weight:800}
.prod .spec{color:var(--muted);font-size:.88rem}
.prod .row{display:flex;justify-content:space-between;align-items:center;margin-top:auto;padding-top:10px;gap:10px}
.prod.sold .shot img{filter:grayscale(1);opacity:.6}
.status{font-family:var(--f-mono);font-size:.68rem;letter-spacing:.08em;text-transform:uppercase;padding:3px 8px;border-radius:999px;border:1px solid currentColor;white-space:nowrap}
.status.s-con{color:var(--ok)}.status.s-giu{color:var(--hold)}.status.s-ban{color:var(--muted)}
.price{font-family:var(--f-mono);font-weight:600;font-variant-numeric:tabular-nums}

/* Product detail */
.pd{display:grid;grid-template-columns:1.25fr 1fr;gap:36px;align-items:start;padding-top:8px}
.gallery{min-width:0}
.gallery .main{width:100%;aspect-ratio:3/2;object-fit:cover;border-radius:4px;background:var(--paper-2);cursor:zoom-in}
.thumbs{display:flex;gap:8px;margin-top:10px;overflow-x:auto;padding-bottom:4px}
.thumbs button{padding:0;border:2px solid transparent;border-radius:3px;background:none;flex:none}
.thumbs button[aria-current="true"]{border-color:var(--accent)}
.thumbs img{width:88px;aspect-ratio:3/2;object-fit:cover;border-radius:2px}
.info{display:flex;flex-direction:column;gap:14px;min-width:0}
.info h1{font-size:clamp(2.6rem,6vw,4.2rem);font-weight:900}
.info .tags{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.grade-big{font-family:var(--f-display);font-weight:900;font-size:1.6rem;color:var(--accent)}
.specs{border-top:2px solid var(--ink)}
.specs div{display:grid;grid-template-columns:130px 1fr;gap:12px;padding:9px 0;border-bottom:1px solid var(--line);font-size:.94rem}
.specs dt{font-family:var(--f-mono);font-size:.7rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);padding-top:3px}
.specs dd{margin:0}
.cta{display:flex;gap:10px;flex-wrap:wrap}
.prose{max-width:68ch;font-size:1.04rem;display:flex;flex-direction:column;gap:14px}
.prose h2,.prose h3{font-size:1.6rem;margin-top:10px}
.prose ul,.prose ol{margin:0;padding-left:1.3em;display:flex;flex-direction:column;gap:6px}

/* Samples (ảnh mẫu) */
.samples{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:22px}
.sample{margin:0;min-width:0}
.sample button{padding:0;border:none;background:none;width:100%;display:block}
.sample img{width:100%;aspect-ratio:3/2;object-fit:cover;border-radius:3px;cursor:zoom-in}
.exif{margin-top:8px;display:flex;flex-wrap:wrap;gap:4px 12px;font-family:var(--f-mono);font-size:.72rem;letter-spacing:.05em;color:var(--muted)}
.exif b{color:var(--ink);font-weight:600}
.exif span::before{content:"▸ ";color:var(--accent)}

/* Feedback */
.fb-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:22px;align-items:start}
.fb{background:var(--card);border:1px solid var(--line);border-radius:4px;overflow:hidden;min-width:0}
.fb .pics{display:grid;grid-template-columns:repeat(3,1fr);gap:3px;background:var(--base)}
.fb .pics button{padding:0;border:none;background:none}
.fb .pics img{width:100%;aspect-ratio:1;object-fit:cover;cursor:zoom-in}
.fb .pics button:first-child{grid-column:1/-1}
.fb .pics button:first-child img{aspect-ratio:3/2}
.fb .pics.n2 button:first-child{grid-column:auto}
.fb .pics.n2{grid-template-columns:1fr 1fr}
.fb .pics.n2 button:first-child img{aspect-ratio:1}
.fb .txt{padding:16px;display:flex;flex-direction:column;gap:10px}
.fb blockquote{margin:0;font-size:1.02rem}
.fb .who{display:flex;justify-content:space-between;gap:10px;align-items:baseline;flex-wrap:wrap}
.fb .who strong{font-family:var(--f-display);text-transform:uppercase;font-size:1.3rem}
.fb .roll{display:flex;flex-direction:column;gap:2px;border-top:1px dashed var(--line);padding-top:10px;font-family:var(--f-mono);font-size:.74rem;letter-spacing:.04em}
.fb .roll span{color:var(--muted)}
.fb .roll a{color:var(--accent);text-decoration:none}

/* Sunny 16 */
.s16{display:grid;grid-template-columns:1fr 1.2fr;gap:28px;background:var(--base);color:#F1E6D8;border-radius:4px;padding:28px}
.s16 h2{font-size:clamp(2.2rem,5vw,3.4rem);color:var(--edge)}
.s16 p{color:#d7c8b6;margin-top:10px;max-width:46ch}
.s16 .lbl{display:block;font-family:var(--f-mono);font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--edge);margin:14px 0 6px}
.seg{display:flex;flex-wrap:wrap;gap:6px}
.seg button{background:transparent;border:1px solid #6b5444;color:#F1E6D8;border-radius:3px;padding:5px 10px;font-family:var(--f-mono);font-size:.8rem}
.seg button[aria-pressed="true"]{background:var(--edge);color:#1E110B;border-color:var(--edge)}
.readout{display:grid;grid-template-columns:repeat(auto-fill,minmax(110px,1fr));gap:8px}
.readout div{border:1px solid #4a372b;border-radius:3px;padding:8px 10px;font-family:var(--f-mono);font-variant-numeric:tabular-nums}
.readout span{display:block;font-size:.65rem;color:#b39a84;letter-spacing:.08em}
.readout strong{font-size:1.05rem;color:#fff}
.readout .main{border-color:var(--edge);background:rgba(227,169,28,.12)}

/* Blog */
.blog{display:grid;grid-template-columns:1.4fr 1fr;gap:28px}
.post{display:flex;flex-direction:column;gap:10px;text-decoration:none;min-width:0}
.post img{width:100%;aspect-ratio:3/2;object-fit:cover;border-radius:3px}
.post h3{font-size:1.8rem;font-weight:800;margin-top:6px}
.post:hover h3{color:var(--accent)}
.post .ex{color:var(--muted);font-size:.95rem;margin-top:8px}
.side{display:flex;flex-direction:column;gap:22px}
.side .post{display:grid;grid-template-columns:120px 1fr;gap:14px;align-items:start;border-top:1px solid var(--line);padding-top:18px}
.side .post h3{font-size:1.3rem}
.side .post .ex{display:none}
.feat img{aspect-ratio:16/10}
.feat h3{font-size:clamp(2rem,4vw,2.8rem)}
.blog-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:28px}
article.read{max-width:700px;margin-inline:auto;padding-top:32px}
article.read h1{font-size:clamp(2.6rem,7vw,4.4rem);font-weight:900;margin-top:10px}
article.read .cover{width:100%;aspect-ratio:21/9;object-fit:cover;border-radius:3px;margin:22px 0 26px}

/* Contact */
.contact{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}
.cbox{display:flex;flex-direction:column;gap:6px;padding:20px;border:1.5px solid var(--ink);border-radius:4px;text-decoration:none;min-width:0}
.cbox strong{font-family:var(--f-display);text-transform:uppercase;font-size:1.7rem;line-height:1;overflow-wrap:anywhere}
.cbox .mono{color:var(--accent)}
.cbox .go{font-weight:600;font-size:.9rem;margin-top:6px}
a.cbox:hover{background:var(--ink);color:var(--paper)}
.float-zalo{position:fixed;right:16px;bottom:calc(16px + env(safe-area-inset-bottom,0px));z-index:30;background:var(--accent);color:#fff;text-decoration:none;font-weight:700;border-radius:999px;padding:12px 18px;box-shadow:0 6px 20px rgba(0,0,0,.25)}

footer{margin-top:80px;border-top:2px solid var(--ink);padding-block:28px 90px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;color:var(--muted);font-size:.9rem}
footer .logo{color:var(--ink)}

/* Lightbox */
.lb{position:fixed;inset:0;z-index:60;background:rgba(8,6,5,.94);display:grid;grid-template-rows:1fr auto;padding:calc(16px + env(safe-area-inset-top,0px)) 16px calc(16px + env(safe-area-inset-bottom,0px));color:#eee}
.lb img{max-width:100%;max-height:100%;margin:auto;object-fit:contain;align-self:center;justify-self:center;min-height:0}
.lb .cap{text-align:center;font-family:var(--f-mono);font-size:.78rem;letter-spacing:.05em;padding-top:12px;color:#d9cfc4}
.lb button{position:absolute;background:rgba(255,255,255,.1);border:none;color:#fff;border-radius:999px;width:44px;height:44px;font-size:1.4rem}
.lb .x{top:calc(14px + env(safe-area-inset-top,0px));right:14px}
.lb .pv{left:14px;top:50%}.lb .nx{right:14px;top:50%}

.loading,.empty{padding:80px 0;text-align:center;color:var(--muted)}

@media (max-width:860px){
  .hero,.s16,.blog,.pd{grid-template-columns:1fr}
  nav.main{order:3;width:100%;margin-left:0}
  .top .pill-btn{margin-left:auto}
}
@media (max-width:480px){.side .post{grid-template-columns:96px 1fr}.frame-wrap img{width:180px}.specs div{grid-template-columns:100px 1fr}.samples,.fb-grid{grid-template-columns:1fr}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}