/* Home page: logo lockup hero → three doors → quote form → build gallery. Design page (design.html): design request with vehicle layout builder. Dark-first steel, brand red/blue/amber from the StroveX X mark. */
:root{
  --bg:#101215; --panel:#181b20; --line:#2a2f37; --fg:#e9ebee; --muted:#9097a3; --field:#0c0e11;
  --red:#ff4a40; --blue:#4f86ff; --amber:#f2a20c; --accent:#e03a30; --accent-fg:#fff;
  --veh:#262b33; --veh-line:#5b636e; --glass:#13171c; --tire:#07080a; --veh-detail:#3a414b;
  --steel:linear-gradient(100deg,rgba(255,255,255,0) 30%,rgba(255,255,255,.18) 48%,rgba(255,255,255,0) 66%),linear-gradient(180deg,#c3c8cf 0%,#8d949d 36%,#4f565f 56%,#6c737c 76%,#a6acb4 100%);
  --xw:#c8cdd4;
  --logo:"Saira","Arial Black",sans-serif;
  --display:"Saira","Arial Black",sans-serif;
  --body:"Archivo","Helvetica Neue",Arial,sans-serif;
  --mono:"Archivo","Helvetica Neue",Arial,sans-serif;
  color-scheme:dark;
}
@media (prefers-color-scheme: light){:root:not([data-theme="dark"]){
  --bg:#f2f3f5; --panel:#fff; --line:#d7dbe1; --fg:#14171c; --muted:#596170; --field:#f8f9fb;
  --red:#d42a22; --blue:#1d5fe0; --amber:#a86400; --accent:#d42a22;
  --veh:#e4e7eb; --veh-line:#7c8590; --glass:#b9c2cc; --tire:#2a2e34; --veh-detail:#cfd4da;
  --steel:linear-gradient(100deg,rgba(255,255,255,0) 30%,rgba(255,255,255,.14) 48%,rgba(255,255,255,0) 66%),linear-gradient(180deg,#6f767f 0%,#4a5058 40%,#23272c 60%,#3a4047 80%,#5a6068 100%);
  --xw:#8a929c; color-scheme:light}}
:root[data-theme="light"]{
  --bg:#f2f3f5; --panel:#fff; --line:#d7dbe1; --fg:#14171c; --muted:#596170; --field:#f8f9fb;
  --red:#d42a22; --blue:#1d5fe0; --amber:#a86400; --accent:#d42a22;
  --veh:#e4e7eb; --veh-line:#7c8590; --glass:#b9c2cc; --tire:#2a2e34; --veh-detail:#cfd4da;
  --steel:linear-gradient(100deg,rgba(255,255,255,0) 30%,rgba(255,255,255,.14) 48%,rgba(255,255,255,0) 66%),linear-gradient(180deg,#6f767f 0%,#4a5058 40%,#23272c 60%,#3a4047 80%,#5a6068 100%);
  --xw:#8a929c; color-scheme:light}

*{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%}
body{margin:0}
img{max-width:100%}
body{background:var(--bg);color:var(--fg);font:16px/1.55 var(--body)}
.wrap{max-width:1160px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
h1,h2,h3{font-family:var(--display);font-stretch:112%;font-weight:700;text-transform:uppercase;letter-spacing:0;line-height:1.02;margin:0;text-wrap:balance}
.doors b,.card h4{font-stretch:112%}
.label{font:600 11px/1.2 var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
a{color:inherit}
:focus-visible{outline:2px solid var(--blue);outline-offset:2px}

/* logo */
.logo{display:inline-flex;flex-direction:column;align-items:stretch;font-family:var(--logo);font-style:italic;font-stretch:125%}
.logo .word{display:flex;align-items:baseline;font-weight:800;line-height:1;letter-spacing:.02em}
.steel{background:var(--steel);-webkit-background-clip:text;background-clip:text;color:transparent}
.logo .x{height:.72em;width:1.165em;margin-left:-.02em;flex:none}
.logo .stripe{height:3px;margin:0 2%;background:linear-gradient(90deg,transparent 0%,var(--xw) 7%,var(--xw) 21%,#2f6fe4 31%,#2f6fe4 45%,#e03a30 55%,#e03a30 69%,#f2a20c 79%,#f2a20c 93%,transparent 100%)}
.logo .sub{display:flex;justify-content:space-between;padding:0 6%;font-weight:700;line-height:1}
.logo.sm .word{font-size:26px}
.logo.lg{gap:clamp(12px,2.2vw,26px)}
.logo.lg .word{font-size:clamp(54px,11vw,128px)}
.logo.lg .sub{font-size:clamp(18px,3.6vw,42px)}

/* header */
header{border-bottom:1px solid var(--line)}
header .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-block:12px}
.brand{text-decoration:none;display:inline-flex}
nav{display:flex;gap:4px;flex-wrap:wrap}
nav a{text-decoration:none;font:600 14px/1 var(--body);padding:10px 12px;border-radius:6px;color:var(--muted)}
nav a:hover{color:var(--fg);background:var(--panel)}
nav a.inbox-link{color:var(--fg);border:1px solid var(--line)}

/* hero */
.hero{padding-block:48px 44px}
.hero-top{--lw:clamp(40px,5.6vw,92px);--ls:clamp(14px,1.85vw,30px);--lg:clamp(10px,1.9vw,26px);display:flex;align-items:center;gap:clamp(16px,3vw,40px);flex-wrap:wrap}
.hero .logo{max-width:100%;flex:none}
.hero .logo.lg{gap:var(--lg)}
.hero .logo.lg .word{font-size:var(--lw)}
.hero .logo.lg .sub{font-size:var(--ls)}
.hero h1{font-size:clamp(26px,3.4vw,40px);margin-top:28px;max-width:20ch}
.hero p{max-width:60ch;color:var(--muted);font-size:18px;margin:14px 0 0}
.doors{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:10px;overflow:hidden;margin-top:36px}
.doors a{background:var(--panel);padding:18px 20px;text-decoration:none;display:grid;gap:6px;align-content:start}
.doors a:hover{background:var(--field)}
.doors b{font:700 20px/1.05 var(--display);text-transform:uppercase}
.doors span{color:var(--muted);font-size:14px}
@media (max-width:720px){.doors{grid-template-columns:1fr}}

section{padding-block:48px;border-top:1px solid var(--line)}
.sec-head{display:flex;justify-content:space-between;align-items:end;gap:16px;flex-wrap:wrap;margin-bottom:24px}
.sec-head h2{font-size:clamp(28px,4vw,42px)}
.sec-head p{margin:8px 0 0;color:var(--muted);max-width:60ch}

/* forms */
form.card-form{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:24px;display:grid;gap:18px;min-width:0}
.row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.row3{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
@media (max-width:640px){.row,.row3{grid-template-columns:1fr}}
.f{display:grid;gap:6px;min-width:0;align-content:start}
.f > label,.f > .lbl{font-weight:600;font-size:14px}
.f small{color:var(--muted);font-size:13px}
input,select,textarea{font:inherit;color:var(--fg);background:var(--field);border:1px solid var(--line);border-radius:6px;padding:10px 12px;width:100%}
textarea{min-height:96px;resize:vertical}
input:focus,select:focus,textarea:focus{border-color:var(--blue);outline:none}
.chips{display:flex;flex-wrap:wrap;gap:6px}
.chips label{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);border-radius:999px;padding:7px 12px;font-size:14px;cursor:pointer;background:var(--field)}
.chips input{width:auto;accent-color:var(--accent)}
.chips label:has(input:checked){border-color:var(--fg)}
button{font:600 15px/1 var(--body);border:0;border-radius:6px;padding:13px 18px;cursor:pointer;background:var(--accent);color:var(--accent-fg)}
button.ghost{background:transparent;color:var(--fg);border:1px solid var(--line)}
button.small{padding:8px 12px;font-size:14px}
button:disabled{opacity:.5;cursor:wait}
.submit-row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.result{border:1px solid var(--line);border-radius:8px;padding:16px;background:var(--field);display:grid;gap:10px}
.result.ok{border-color:var(--blue)}
.result pre{white-space:pre-wrap;word-break:break-word;font:13px/1.5 var(--mono);margin:0;max-height:260px;overflow:auto;user-select:all}
.result .actions{display:flex;gap:8px;flex-wrap:wrap}
.err{color:var(--red);font-size:14px;margin:0}

/* design request: vehicle designer */
.design-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:24px;align-items:start}
.builder{border:1px solid var(--line);border-radius:10px;background:var(--field);padding:16px;display:grid;gap:14px;min-width:0}
.b-main,.b-side{display:grid;gap:14px;min-width:0;align-content:start}
/* desktop: the whole editor fits one screen; vehicle on the left, settings beside it */
@media (min-width:901px){
  #builder{scroll-margin-top:12px}
  .builder{grid-template-columns:minmax(0,1fr) 380px;height:calc(100vh - 24px);height:calc(100dvh - 24px);min-height:560px;max-height:960px;column-gap:16px;padding:12px}
  .b-main{display:flex;flex-direction:column;gap:10px;min-height:0}
  .b-main .stage{flex:1 1 0;min-height:200px;display:flex;flex-direction:column;align-items:center}
  .b-main .stage svg{flex:1 1 0;min-height:0;height:100%;max-height:none}
  .b-main .photo-tools{gap:8px 12px}
  .b-main .photo-tools small{font-size:12px;line-height:1.35}
  .b-side{gap:12px;min-height:0;overflow-y:auto;overscroll-behavior:contain;background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:12px}
  .b-side .seg button{padding:7px 11px;font-size:13px}
  .b-side .toggles label{padding:6px 10px;font-size:13px}
  .b-side .sw{width:30px;height:30px}
  .b-side small{font-size:12px}
}
.step{display:grid;gap:8px}
.step > .lbl{font-weight:600;font-size:14px}
.seg{display:flex;flex-wrap:wrap;gap:6px}
.seg button{padding:9px 14px;font-size:14px;font-weight:600;border-radius:999px;background:var(--panel);color:var(--fg);border:1px solid var(--line)}
.seg button[aria-pressed="true"]{background:var(--fg);color:var(--bg);border-color:var(--fg)}
.seg button .n{margin-left:6px;font-size:12px;opacity:.75}
.stage{position:relative;display:grid;justify-items:center;gap:6px;background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:12px}
.stage .ends{display:flex;justify-content:space-between;width:100%;font-size:12px;color:var(--muted)}
.stage svg{width:100%;max-width:100%;height:auto;max-height:420px;touch-action:none;cursor:crosshair;user-select:none}
.photo-empty{display:grid;justify-items:center;gap:10px;text-align:center;padding:36px 16px;color:var(--muted)}
.veh .b{fill:var(--veh);stroke:var(--veh-line);stroke-width:2}
.veh .g{fill:var(--glass);stroke:var(--veh-line);stroke-width:1.2}
.veh .t{fill:var(--tire)}
.veh .d{fill:var(--veh-detail);stroke:var(--veh-line);stroke-width:1}
.veh .hl{fill:#f4f1df;opacity:.85}
.veh .tl{fill:#8a201c}
.photo-tools{display:grid;grid-template-columns:1fr 1.4fr;gap:12px;align-items:end}
@media (max-width:480px){.photo-tools{grid-template-columns:1fr}}
.photo-tools input[type=range]{padding:0;accent-color:var(--accent)}
.toggles{display:flex;gap:6px;flex-wrap:wrap}
.toggles label{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);border-radius:999px;padding:7px 12px;font-size:14px;cursor:pointer;background:var(--panel)}
.toggles input{width:auto;accent-color:var(--accent)}
.night .bgl{filter:brightness(.38) saturate(.7)}
.stage.night-on{background:#2f3338}
.cline{stroke:#fff;stroke-width:1.5;stroke-dasharray:6 5;opacity:.8}
.cline-k{stroke:#000;stroke-width:3.5;opacity:.35}
.mk{cursor:grab}
.lpop{position:absolute;z-index:5;display:flex;gap:4px;align-items:center;padding:5px;border-radius:10px;background:var(--panel);border:1px solid var(--line);box-shadow:0 6px 20px rgba(0,0,0,.28);white-space:nowrap}
.lpop button{min-width:36px;min-height:36px;padding:0 9px;font-size:13px;border-radius:7px;background:transparent;color:var(--fg);border:1px solid var(--line)}
.lpop button.on{background:var(--fg);color:var(--bg);border-color:var(--fg)}
.lpop button.del{color:#fff;background:var(--accent);border-color:var(--accent)}
.lpop .sep{width:1px;align-self:stretch;background:var(--line);margin:2px 2px}
.lpop.dragging{opacity:0;pointer-events:none}
@media (max-width:560px){.lpop{gap:3px;padding:4px}.lpop button{min-width:34px;min-height:34px;padding:0 6px}.lpop .del .txt{display:none}.lpop .sep{display:none}}

.mk .sel{fill:none;stroke:#fff;stroke-width:2.5;stroke-dasharray:4 3;display:none}
.mk.on .sel{display:block}
.mk .shape{stroke:#000;stroke-opacity:.6;stroke-width:1}
.swatches{display:flex;flex-wrap:wrap;gap:8px}
.sw-group{display:grid;gap:6px}
.equip-details{display:grid;gap:8px;margin-top:6px}
.eq-multi{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:500;align-self:center}
.eq-multi input{width:auto;accent-color:var(--accent)}
.eq-row{display:grid;grid-template-columns:minmax(110px,1fr) minmax(0,1.4fr) minmax(0,1.6fr) 72px minmax(0,1.5fr);gap:10px;align-items:end;padding:12px;border:1px solid var(--line);border-radius:8px;background:var(--field)}
.eq-row .eq-name{font-weight:600;font-size:14px;align-self:center}
.eq-row label{font-size:12px;font-weight:600;color:var(--muted)}
@media (max-width:860px){.eq-row{grid-template-columns:1fr 1fr}.eq-row .eq-name{grid-column:1/-1}}
.linkbtn{background:none;border:0;padding:0;font:inherit;color:var(--blue);text-decoration:underline;cursor:pointer;border-radius:2px}
.modal{position:fixed;inset:0;z-index:50;background:rgba(0,0,0,.55);display:grid;place-items:center;padding:max(16px,env(safe-area-inset-top,0px)) max(16px,env(safe-area-inset-right,0px)) max(16px,env(safe-area-inset-bottom,0px)) max(16px,env(safe-area-inset-left,0px))}
.modal-box{background:var(--panel);color:var(--fg);border:1px solid var(--line);border-radius:12px;padding:24px;max-width:460px;width:100%;display:grid;gap:12px;box-shadow:0 20px 60px rgba(0,0,0,.4)}
.modal-box h3{font-size:24px}
.lib-box{max-width:820px;max-height:min(86vh,760px);overflow:auto;align-content:start}
.lib-head{display:flex;justify-content:space-between;align-items:start;gap:12px}
.lib-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:10px}
.lib-card{display:grid;gap:4px;align-content:start;text-align:left;padding:10px;border-radius:10px;border:1px solid var(--line);background:var(--field);color:var(--fg);font:inherit;cursor:pointer}
.lib-card:hover{border-color:var(--fg)}
.lib-card b{font-size:14px}
.lib-card small{color:var(--muted);font-size:12px}
.lib-img{display:grid;place-items:center;aspect-ratio:16/9;border-radius:6px;background:var(--panel);overflow:hidden}
.lib-img img{width:100%;height:100%;object-fit:contain}
.lib-up{font-size:34px;color:var(--muted);border:1px dashed var(--line)}
.seg button.lib-btn{border-style:dashed}
.seg button.playing{background:var(--accent);border-color:var(--accent);color:#fff}
.seg button.stop{border-color:var(--accent);color:var(--accent)}
.modal-box p{margin:0;color:var(--muted)}
.sw-group small{color:var(--muted);font-size:12px}
.sw{width:36px;height:36px;padding:0;border-radius:50%;border:2px solid var(--line);background:var(--c)}
.sw[aria-pressed="true"]{border-color:var(--fg);box-shadow:0 0 0 3px var(--bg) inset}
.bfoot{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:14px}
.bfoot .grow{flex:1;min-width:120px;color:var(--muted)}
.hint{color:var(--muted);font-size:13px;margin:0}
.drop{border:1px dashed var(--line);border-radius:8px;padding:14px;display:grid;gap:10px;background:var(--field)}
.thumbs{display:flex;gap:8px;flex-wrap:wrap}
.thumb{position:relative;width:96px;height:72px;border-radius:6px;overflow:hidden;border:1px solid var(--line);background:var(--panel);display:grid;place-items:center;font-size:11px;color:var(--muted)}
.thumb img{width:100%;height:100%;object-fit:cover}
.thumb button{position:absolute;top:3px;right:3px;padding:3px 6px;font-size:11px;background:rgba(0,0,0,.7);color:#fff;border-radius:4px}

/* contact */
.contact{display:flex;gap:28px;flex-wrap:wrap;margin-top:28px;font-size:15px}
.contact b{display:block;font:500 11px/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:6px}
.contact span{user-select:all}

/* gallery */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:10px;overflow:hidden;display:grid;grid-template-rows:auto 1fr}
.card .img{aspect-ratio:4/3;background:var(--field);max-width:100%}
.card img{width:100%;height:100%;object-fit:cover;display:block}
.card .meta{padding:14px 16px;display:grid;gap:4px;align-content:start}
.card h4{margin:0;font:700 19px/1.05 var(--display);text-transform:uppercase}
.card p{margin:0;color:var(--muted);font-size:14px}
.card .del{justify-self:start;margin-top:6px;padding:7px 10px;font-size:13px}
.empty{border:1px dashed var(--line);border-radius:10px;padding:36px 24px;display:grid;gap:8px;justify-items:start}
.empty h3{font-size:28px}
.empty p{margin:0;color:var(--muted);max-width:52ch}
.uploader{margin-bottom:20px}

/* inbox */
.filters{display:flex;gap:6px;flex-wrap:wrap}
.filters button{padding:8px 12px;font-size:14px;background:transparent;color:var(--muted);border:1px solid var(--line)}
.filters button[aria-pressed="true"]{color:var(--fg);border-color:var(--fg)}
.tablewrap{overflow-x:auto;border:1px solid var(--line);border-radius:10px;background:var(--panel)}
table{border-collapse:collapse;width:100%;min-width:780px;font-size:14px}
th,td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--line);vertical-align:top}
th{font:500 11px/1 var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
tbody tr:last-child td{border-bottom:0}
td .who{font-weight:600}
td .sub{color:var(--muted)}
td details summary{cursor:pointer;color:var(--blue)}
td details pre{white-space:pre-wrap;font:12px/1.5 var(--mono);margin:8px 0 0}
.minis{display:flex;gap:10px;flex-wrap:wrap;margin-top:10px}
.mini{width:150px;border:1px solid var(--line);border-radius:6px;padding:6px;background:var(--field)}
.mini svg{width:100%;height:auto;max-height:150px}
.mini .label{display:block;margin-bottom:4px}
.minis a img{width:150px;height:110px;object-fit:cover;border-radius:6px;border:1px solid var(--line);display:block}
.type{font:500 11px/1 var(--mono);letter-spacing:.1em;text-transform:uppercase;padding:5px 8px;border-radius:4px;border:1px solid var(--line);white-space:nowrap}
.type.quote{color:var(--red);border-color:var(--red)}
.type.design{color:var(--blue);border-color:var(--blue)}
td select{padding:6px 8px;width:auto}
.num{font-variant-numeric:tabular-nums}
footer{border-top:1px solid var(--line);padding-block:28px;color:var(--muted);font-size:14px}