/* Layout: workshop spec sheet. Steel-grey ground, one ember accent, a heat-tint strip
   (the colours steel turns when heated) as the single signature detail. */
:root{
  --bg:#EDEFF0; --surface:#F8F9F9; --ink:#15181B; --muted:#565E66; --line:#CBD1D5;
  --ember:#B93D0B; --ember-ink:#FFFFFF; --steel:#394651; --glow:#F2A15A;
  --t1:#D9B15E; --t2:#A8642E; --t3:#6B3F7A; --t4:#2F5F94;
  --display:"Big Shoulders Display", "Arial Narrow", Impact, sans-serif;
  --body:"Archivo", "Helvetica Neue", Arial, sans-serif;
  --mono:"IBM Plex Mono", ui-monospace, Menlo, Consolas, monospace;
  --wrap:1180px; --r:6px;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#111416; --surface:#191D21; --ink:#E8EBED; --muted:#9BA4AC; --line:#2B3137;
    --ember:#F07A3A; --ember-ink:#1B0D05; --steel:#AFC0CE; --glow:#F07A3A; color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --bg:#111416; --surface:#191D21; --ink:#E8EBED; --muted:#9BA4AC; --line:#2B3137;
  --ember:#F07A3A; --ember-ink:#1B0D05; --steel:#AFC0CE; --glow:#F07A3A; color-scheme:dark;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion: reduce){ html{scroll-behavior:auto} *{animation:none!important;transition:none!important} }
body{background:var(--bg); color:var(--ink); font:16px/1.6 var(--body); margin:0}
a{color:inherit}
:focus-visible{outline:2px solid var(--ember); outline-offset:3px}
.wrap{max-width:var(--wrap); margin-inline:auto; padding-inline:clamp(16px,4vw,40px)}
h1,h2,h3{font-family:var(--display); text-wrap:balance; line-height:1; margin:0; letter-spacing:.005em}
h2{font-size:clamp(2.2rem,5vw,3.4rem); font-weight:800; text-transform:uppercase}
h3{font-size:1.6rem; font-weight:600; text-transform:uppercase}
p{margin:0}
.label{font:500 .74rem/1.2 var(--mono); letter-spacing:.12em; text-transform:uppercase; color:var(--muted)}
.lede{color:var(--muted); max-width:60ch; font-size:1.06rem}
.temper{height:6px; background:linear-gradient(90deg,var(--t1),var(--t2) 35%,var(--t3) 65%,var(--t4))}

/* buttons */
.btn{display:inline-flex; align-items:center; gap:.5em; font:600 1rem/1 var(--body); padding:.95em 1.4em;
  border-radius:var(--r); text-decoration:none; border:1.5px solid transparent; cursor:pointer}
.btn-primary{background:var(--ember); color:var(--ember-ink)}
.btn-primary:hover{filter:brightness(1.08)}
.btn-ghost{border-color:var(--line); color:var(--ink); background:transparent}
.btn-ghost:hover{border-color:var(--ink)}

/* header */
.top{position:sticky; top:env(safe-area-inset-top,0px); z-index:20; background:var(--bg); border-bottom:1px solid var(--line)}
.top .wrap{display:flex; align-items:center; justify-content:space-between; gap:16px; padding-block:12px}
.logo{font:800 1.7rem/1 var(--display); letter-spacing:.06em; text-transform:uppercase; text-decoration:none; display:flex; align-items:center; gap:.4em}
.logo svg{width:22px; height:22px; color:var(--ember)}
.nav{display:flex; gap:24px; font-size:.95rem}
.nav a{text-decoration:none; color:var(--muted)} .nav a:hover{color:var(--ink)}
.top .btn{padding:.7em 1.1em; font-size:.92rem}
@media (max-width:820px){ .nav{display:none} }

/* hero */
.hero{padding-block:clamp(40px,7vw,84px) clamp(32px,5vw,56px)}
.hero .wrap{display:grid; grid-template-columns:1.05fr .95fr; gap:clamp(24px,5vw,64px); align-items:center}
.hero h1{font-size:clamp(3rem,8.4vw,6.4rem); font-weight:800; text-transform:uppercase; line-height:.9}
.hero h1 em{font-style:normal; color:var(--ember)}
.hero .lede{margin-top:22px}
.hero .ctas{display:flex; flex-wrap:wrap; gap:12px; margin-top:28px}
.facts{display:flex; flex-wrap:wrap; gap:10px 28px; margin-top:32px; padding-top:20px; border-top:1px solid var(--line)}
.facts div{display:flex; flex-direction:column; gap:2px}
.facts b{font:600 1.5rem/1 var(--display); text-transform:uppercase}
.drawing{color:var(--steel); width:100%; height:auto; max-width:100%}
@media (max-width:860px){ .hero .wrap{grid-template-columns:1fr} .drawing{max-width:520px} }

section{padding-block:clamp(48px,7vw,88px)}
.sec-head{display:grid; gap:14px; margin-bottom:36px}

/* thickness gauge */
.gauge{display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:16px; align-items:end}
.g{display:grid; gap:12px; border-top:1px solid var(--line); padding-top:16px}
.g .bar{background:var(--steel); border-radius:1px; width:100%}
.g .mm{font:800 2.4rem/1 var(--display)}
.g p{color:var(--muted); font-size:.92rem}
.g.hot .bar{background:linear-gradient(90deg,var(--t1),var(--t2),var(--t3),var(--t4))}
@media (max-width:720px){ .gauge{grid-template-columns:repeat(2,minmax(0,1fr))} }

/* models */
.models{display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:20px}
@media (max-width:980px){ .models{grid-template-columns:repeat(2,minmax(0,1fr))} }
@media (max-width:620px){ .models{grid-template-columns:1fr} }
.card{background:var(--surface); border:1px solid var(--line); border-radius:var(--r); display:flex; flex-direction:column; overflow:hidden; min-width:0}
.ph{aspect-ratio:4/3; max-width:100%; background:var(--bg); border-bottom:1px solid var(--line); display:grid; place-items:center; position:relative}
.ph img{width:100%; height:100%; object-fit:cover; display:block}
.ph svg{width:72%; color:var(--steel)}
.ph .tag{position:absolute; top:12px; left:12px; background:var(--ink); color:var(--bg); font:500 .72rem/1 var(--mono); letter-spacing:.08em; padding:6px 8px; border-radius:3px; text-transform:uppercase}
.card .body{padding:20px; display:flex; flex-direction:column; gap:14px; flex:1}
.card .sub{color:var(--muted); font-size:.95rem}
.specs{margin:0; display:grid; grid-template-columns:auto 1fr; gap:6px 16px; font-size:.9rem}
.specs dt{font:500 .72rem/1.9 var(--mono); letter-spacing:.08em; text-transform:uppercase; color:var(--muted)}
.specs dd{margin:0; font-variant-numeric:tabular-nums; min-width:0}
.card .foot{margin-top:auto; display:flex; align-items:center; justify-content:space-between; gap:12px; padding-top:14px; border-top:1px solid var(--line); flex-wrap:wrap}
.price{font:800 1.7rem/1 var(--display)}
.price small{display:block; font:400 .72rem/1.4 var(--mono); color:var(--muted); letter-spacing:.04em; margin-top:4px}
.card .btn{padding:.7em 1em; font-size:.92rem}

/* steps */
.steps{list-style:none; margin:0; padding:0; display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:20px; counter-reset:s}
.steps li{border-top:2px solid var(--ink); padding-top:16px; display:grid; gap:8px; counter-increment:s; min-width:0}
.steps li::before{content:counter(s,decimal-leading-zero); font:500 .8rem/1 var(--mono); color:var(--ember)}
.steps p{color:var(--muted); font-size:.95rem}
@media (max-width:860px){ .steps{grid-template-columns:repeat(2,minmax(0,1fr))} }
@media (max-width:520px){ .steps{grid-template-columns:1fr} }

/* delivery band */
.band{background:var(--surface); border-block:1px solid var(--line)}
.cols{display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:32px}
.cols > div{display:grid; gap:10px; align-content:start; min-width:0}
.cols p{color:var(--muted)}
@media (max-width:860px){ .cols{grid-template-columns:1fr} }

/* faq */
.faq{display:grid; gap:0; max-width:820px}
.faq details{border-bottom:1px solid var(--line); padding-block:18px}
.faq summary{cursor:pointer; font-weight:600; font-size:1.06rem; list-style:none; display:flex; justify-content:space-between; gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+"; font:500 1.2rem/1 var(--mono); color:var(--ember)}
.faq details[open] summary::after{content:"–"}
.faq details p{color:var(--muted); margin-top:10px; max-width:68ch}

/* quote form */
.quote .wrap{display:grid; grid-template-columns:.9fr 1.1fr; gap:clamp(24px,5vw,64px)}
@media (max-width:900px){ .quote .wrap{grid-template-columns:1fr} }
.contact-list{display:grid; gap:14px; margin-top:28px}
.contact-list div{display:grid; gap:2px}
.contact-list span:last-child{font-variant-numeric:tabular-nums; user-select:all}
form{background:var(--surface); border:1px solid var(--line); border-radius:var(--r); padding:clamp(18px,3vw,32px); display:grid; gap:16px; min-width:0}
.row2{display:grid; grid-template-columns:1fr 1fr; gap:16px}
@media (max-width:560px){ .row2{grid-template-columns:1fr} }
.field{display:grid; gap:6px; min-width:0}
.field label{font:500 .74rem/1.2 var(--mono); letter-spacing:.1em; text-transform:uppercase; color:var(--muted)}
input,select,textarea{font:inherit; color:var(--ink); background:var(--bg); border:1px solid var(--line); border-radius:4px; padding:.75em .85em; width:100%; min-width:0}
textarea{min-height:110px; resize:vertical}
input:focus,select:focus,textarea:focus{outline:2px solid var(--ember); outline-offset:0; border-color:transparent}
.check{display:flex; gap:10px; align-items:flex-start; font-size:.9rem; color:var(--muted)}
.check input{width:18px; height:18px; margin-top:3px; flex:none; accent-color:var(--ember)}
.err{color:var(--ember); font-size:.9rem; min-height:1.2em}
.result{border:1px solid var(--line); border-radius:var(--r); padding:18px; display:grid; gap:12px; background:var(--bg)}
.result pre{white-space:pre-wrap; font:400 .85rem/1.5 var(--mono); margin:0; max-height:220px; overflow:auto}
.result .actions{display:flex; flex-wrap:wrap; gap:10px}

/* legal + footer */
.legal{display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:16px 40px}
@media (max-width:760px){ .legal{grid-template-columns:1fr} }
.legal details{border-top:1px solid var(--line); padding-block:14px}
.legal summary{cursor:pointer; font-weight:600}
.legal .txt{color:var(--muted); font-size:.92rem; display:grid; gap:10px; margin-top:12px; max-width:70ch}
footer{border-top:1px solid var(--line); padding-block:32px 96px; font-size:.88rem; color:var(--muted)}
footer .wrap{display:flex; flex-wrap:wrap; justify-content:space-between; gap:16px}
footer nav{display:flex; flex-wrap:wrap; gap:16px}

/* cookie banner */
.consent{position:fixed; left:0; right:0; bottom:0; z-index:40; background:var(--ink); color:var(--bg);
  padding:16px clamp(16px,4vw,40px) calc(16px + env(safe-area-inset-bottom,0px))}
.consent .in{max-width:var(--wrap); margin-inline:auto; display:flex; flex-wrap:wrap; gap:12px 24px; align-items:center; justify-content:space-between}
.consent p{font-size:.9rem; max-width:70ch}
.consent .btns{display:flex; gap:10px; flex-wrap:wrap}
.consent .btn{padding:.65em 1.1em; font-size:.9rem}
.consent .btn-ghost{color:var(--bg); border-color:currentColor}

/* bonus offer */
.offer{background:#C8102E; color:#fff}
.offer .wrap{display:flex; flex-wrap:wrap; align-items:center; justify-content:center; gap:6px 12px; padding-block:9px; font-size:.98rem; text-align:center}
.offer .bonus{background:#fff; color:#C8102E; font:800 .9rem/1 var(--display); letter-spacing:.12em; text-transform:uppercase; padding:5px 9px 4px; border-radius:3px}
.gift-line{font-weight:600; font-size:.9rem; color:#C8102E; margin:0}
@media (prefers-color-scheme: dark){ :root:not([data-theme="light"]) .gift-line{color:#FF6B7F} }

/* inner pages */
.doc{padding-block:clamp(40px,6vw,72px)}
.doc .wrap{display:grid; grid-template-columns:220px minmax(0,1fr); gap:clamp(24px,5vw,64px)}
.doc aside nav{position:sticky; top:calc(env(safe-area-inset-top,0px) + 84px); display:grid; gap:10px; font-size:.95rem}
.doc aside a{text-decoration:none; color:var(--muted)} .doc aside a[aria-current]{color:var(--ink); font-weight:600}
.doc article{max-width:72ch; display:grid; gap:18px; min-width:0}
.doc article h1{font-size:clamp(2.6rem,6vw,4.2rem); font-weight:800; text-transform:uppercase}
.doc article h2{font-size:1.7rem; margin-top:18px}
.doc article p,.doc article li{color:var(--muted)}
.doc article strong{color:var(--ink)}
.doc article ul,.doc article ol{margin:0; padding-left:1.2em; display:grid; gap:6px}
.doc .box{background:var(--surface); border:1px solid var(--line); border-radius:var(--r); padding:20px; display:grid; gap:10px}
.doc .box pre{white-space:pre-wrap; font:400 .88rem/1.6 var(--mono); margin:0; color:var(--ink)}
.doc table{border-collapse:collapse; width:100%; font-size:.95rem}
.doc .tbl{overflow-x:auto}
.doc th,.doc td{text-align:left; padding:10px 12px; border-bottom:1px solid var(--line); vertical-align:top}
.doc th{font:500 .74rem/1.4 var(--mono); letter-spacing:.08em; text-transform:uppercase; color:var(--muted)}
@media (max-width:820px){ .doc .wrap{grid-template-columns:1fr} .doc aside{display:none} }
.policy-links{display:flex; flex-wrap:wrap; gap:10px}
.policy-links a{border:1px solid var(--line); border-radius:999px; padding:.55em 1em; text-decoration:none; font-size:.95rem}
.policy-links a:hover{border-color:var(--ink)}