/* ==========================================================================
   Raytrace — render-engine style visualization template · archesign.studio
   1. Tokens  2. Base  3. Header  4. Components  5. Pages  6. Footer  7. Responsive
   ========================================================================== */

/* 1. Tokens ---------------------------------------------------------------- */
:root {
  --grid: #eceef1;
  --panel: #f7f8fa;
  --panel-2: #e2e5ea;
  --ink: #111418;
  --mute: #5f6670;
  --rule: #c9ced6;
  --signal: #2546ff;
  --ok: #14b86a;
  --warn: #ff8a00;

  --font-sans: "IBM Plex Sans", "Helvetica Neue", Arial, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, Menlo, Consolas, monospace;

  --gutter: clamp(16px, 3vw, 40px);
  --max: 1360px;
  --space: clamp(80px, 10vw, 150px);
}

/* 2. Base ------------------------------------------------------------------ */
*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; color: var(--ink); font: 400 16px/1.6 var(--font-sans); -webkit-font-smoothing: antialiased;
  background-color: var(--grid);
  background-image: linear-gradient(rgba(17, 20, 24, .05) 1px, transparent 1px), linear-gradient(90deg, rgba(17, 20, 24, .05) 1px, transparent 1px);
  background-size: 40px 40px; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
p { margin: 0 0 1em; }
h1, h2, h3, h4 { margin: 0; font-weight: 600; line-height: 1.05; letter-spacing: -.02em; }
:focus-visible { outline: 2px solid var(--signal); outline-offset: 2px; }
::selection { background: var(--signal); color: #fff; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--ink); color: #fff; padding: 8px 12px; z-index: 100; }
.skip:focus { left: 8px; }
.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }
.section { padding: var(--space) 0; }
.mono { font-family: var(--font-mono); }
.label { font: 500 11px var(--font-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--mute); margin: 0 0 14px; }
.label b { color: var(--signal); font-weight: 600; }
.dim { color: var(--mute); }
.sig { color: var(--signal); }

/* 3. Header ---------------------------------------------------------------- */
.site-header { position: sticky; top: 0; z-index: 50; background: var(--ink); color: #fff; }
.header-row { display: flex; align-items: center; gap: 28px; height: 58px; }
.logo { display: inline-flex; align-items: center; gap: 10px; font: 600 14px var(--font-mono); letter-spacing: .06em; }
.logo .mark { width: 18px; height: 18px; border: 2px solid var(--signal); border-radius: 50%; box-shadow: inset 0 0 0 3px var(--ink), inset 0 0 0 9px #fff; }
.logo small { font: 400 11px var(--font-mono); color: #8b929c; }
.site-nav { display: flex; gap: 2px; margin-left: auto; }
.site-nav a { font: 500 12px var(--font-mono); letter-spacing: .06em; text-transform: uppercase; padding: 8px 14px; color: #b9bfc8; border: 1px solid transparent; }
.site-nav a span { color: #5f6670; margin-right: 8px; }
.site-nav a:hover { color: #fff; border-color: #2c3138; }
.site-nav a[aria-current="page"] { color: #fff; background: var(--signal); }
.site-nav a[aria-current="page"] span { color: #c9d2ff; }
.status { font-size: 11px; color: #8b929c; display: inline-flex; align-items: center; gap: 8px; white-space: nowrap; }
.status i { width: 8px; height: 8px; background: var(--ok); border-radius: 50%; }
.menu-btn { display: none; }

/* 4. Components ------------------------------------------------------------ */
.btn { display: inline-flex; align-items: center; gap: 10px; padding: 13px 20px; border: 1px solid var(--ink); background: var(--panel); color: var(--ink); font: 500 13px var(--font-mono); letter-spacing: .04em; text-transform: uppercase; cursor: pointer; box-shadow: 3px 3px 0 var(--ink); transition: transform .15s, box-shadow .15s; }
.btn:hover { transform: translate(-1px, -1px); box-shadow: 4px 4px 0 var(--ink); }
.btn:active { transform: translate(2px, 2px); box-shadow: 1px 1px 0 var(--ink); }
.btn--signal { background: var(--signal); border-color: var(--ink); color: #fff; }
.panel { background: var(--panel); border: 1px solid var(--ink); }
.panel-head { display: flex; justify-content: space-between; gap: 12px; padding: 8px 12px; border-bottom: 1px solid var(--ink); background: var(--panel-2); font: 500 11px var(--font-mono); letter-spacing: .08em; text-transform: uppercase; }
.panel-head .dots { display: flex; gap: 6px; }
.panel-head .dots i { width: 9px; height: 9px; border: 1px solid var(--ink); border-radius: 50%; }
.panel-head .dots i:first-child { background: var(--signal); }
.kv { display: grid; grid-template-columns: 1fr auto; font: 400 13px var(--font-mono); }
.kv dt, .kv dd { margin: 0; padding: 9px 12px; border-bottom: 1px dashed var(--rule); }
.kv dt { color: var(--mute); }
.kv dd { text-align: right; font-weight: 500; }
.kv dd.ok { color: var(--ok); }
.meter { height: 8px; border: 1px solid var(--ink); background: repeating-linear-gradient(90deg, transparent 0 6px, rgba(17, 20, 24, .08) 6px 7px); }
.meter i { display: block; height: 100%; width: var(--p); background: var(--signal); }
.js .reveal { opacity: 0; transform: translateY(16px); transition: opacity .6s ease-out, transform .6s ease-out; }
.js .reveal.is-in { opacity: 1; transform: none; }

/* 5. Pages ----------------------------------------------------------------- */
/* hero */
.hero { padding: clamp(36px, 5vw, 70px) 0 0; }
.hero-title { display: grid; grid-template-columns: 1fr auto; gap: 30px; align-items: end; margin-bottom: 28px; }
.hero h1 { font-size: clamp(44px, 7vw, 108px); font-weight: 300; letter-spacing: -.045em; line-height: .95; }
.hero h1 b { font-weight: 600; }
.hero h1 em { font: 500 .62em var(--font-mono); font-style: normal; color: var(--signal); letter-spacing: -.04em; }
.hero-title p { max-width: 36ch; color: var(--mute); margin: 0; }
.viewport { display: grid; grid-template-columns: 46px minmax(0, 1fr) 280px; box-shadow: 8px 8px 0 var(--ink); }
.vp-tools { border-right: 1px solid var(--ink); background: var(--panel-2); display: flex; flex-direction: column; }
.vp-tools span { height: 46px; display: grid; place-items: center; border-bottom: 1px solid var(--rule); font: 500 13px var(--font-mono); color: var(--mute); }
.vp-tools span.on { background: var(--ink); color: #fff; }
.vp-main { position: relative; min-width: 0; }
.vp-main img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.vp-main .safe { position: absolute; inset: 7%; border: 1px dashed rgba(255, 255, 255, .7); pointer-events: none; }
.vp-main .safe::before, .vp-main .safe::after { content: ""; position: absolute; left: 50%; top: 50%; background: rgba(255, 255, 255, .8); }
.vp-main .safe::before { width: 20px; height: 1px; transform: translate(-50%, -50%); }
.vp-main .safe::after { width: 1px; height: 20px; transform: translate(-50%, -50%); }
.vp-main .hud { position: absolute; left: 12px; top: 10px; font: 500 11px var(--font-mono); color: #fff; background: rgba(17, 20, 24, .7); padding: 4px 8px; }
.vp-side { border-left: 1px solid var(--ink); background: var(--panel); display: flex; flex-direction: column; }
.vp-side .meter { margin: 14px 12px 6px; }
.vp-side small { display: block; padding: 0 12px 12px; font: 400 11px var(--font-mono); color: var(--mute); }

/* passes */
.passes-head { display: flex; justify-content: space-between; align-items: end; gap: 20px; flex-wrap: wrap; margin-bottom: 20px; }
.passes-head h2 { font-size: clamp(32px, 4vw, 56px); font-weight: 300; letter-spacing: -.035em; }
.tabs { display: flex; border: 1px solid var(--ink); background: var(--panel); }
.tabs button { font: 500 12px var(--font-mono); letter-spacing: .08em; text-transform: uppercase; padding: 11px 16px; border: 0; border-right: 1px solid var(--ink); background: transparent; color: var(--ink); cursor: pointer; }
.tabs button:last-child { border-right: 0; }
.tabs button[aria-pressed="true"] { background: var(--ink); color: #fff; }
.pass-stage { border: 1px solid var(--ink); background: var(--panel); position: relative; }
.pass-stage figure { margin: 0; }
.pass-stage img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.pass-stage figcaption { display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap; padding: 10px 12px; border-top: 1px solid var(--ink); font: 400 12px var(--font-mono); }

/* numbers */
.specs { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--ink); background: var(--panel); }
.specs div { padding: 22px 20px; border-right: 1px solid var(--ink); }
.specs div:last-child { border-right: 0; }
.specs b { display: block; font: 300 clamp(34px, 3.6vw, 52px) var(--font-sans); letter-spacing: -.04em; }
.specs span { font: 400 12px var(--font-mono); color: var(--mute); text-transform: uppercase; letter-spacing: .06em; }

/* render log */
.log { border: 1px solid var(--ink); background: var(--panel); }
.log-head, .log-row { display: grid; grid-template-columns: 56px minmax(0, 2.2fr) 1fr 1fr 1fr 110px; gap: 14px; align-items: center; padding: 12px 14px; font: 400 13px var(--font-mono); }
.log-head { border-bottom: 1px solid var(--ink); background: var(--panel-2); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: var(--mute); }
.log-row { position: relative; border-bottom: 1px dashed var(--rule); transition: background .15s; }
.log-row:last-child { border-bottom: 0; }
.log-row:hover { background: #fff; }
.log-row .id { color: var(--mute); }
.log-row .name { font: 600 17px var(--font-sans); letter-spacing: -.01em; }
.log-row .name small { display: block; font: 400 12px var(--font-mono); color: var(--mute); letter-spacing: 0; }
.log-row .st { justify-self: end; font-size: 11px; padding: 3px 8px; border: 1px solid currentColor; text-transform: uppercase; letter-spacing: .08em; }
.st--done { color: var(--ok); }
.st--wip { color: var(--warn); }
.log-thumb { display: none; }
.log-img { position: fixed; left: 0; top: 0; z-index: 40; width: 300px; aspect-ratio: 3 / 2; object-fit: cover; border: 1px solid var(--ink); box-shadow: 6px 6px 0 var(--ink); pointer-events: none; opacity: 0; visibility: hidden; transform: translate(26px, -50%); transition: opacity .2s, visibility .2s; }
.log-row:hover .log-img { opacity: 1; visibility: visible; }
.filters { display: flex; flex-wrap: wrap; margin-bottom: 18px; border: 1px solid var(--ink); background: var(--panel); width: fit-content; max-width: 100%; }
.filters button { font: 500 12px var(--font-mono); letter-spacing: .08em; text-transform: uppercase; padding: 10px 16px; border: 0; border-right: 1px solid var(--ink); background: transparent; color: var(--ink); cursor: pointer; }
.filters button:last-child { border-right: 0; }
.filters button[aria-pressed="true"] { background: var(--signal); color: #fff; }

/* page head */
.page-head { padding: clamp(50px, 7vw, 100px) 0 clamp(30px, 4vw, 50px); }
.page-head h1 { font-size: clamp(46px, 7.4vw, 112px); font-weight: 300; letter-spacing: -.045em; line-height: .95; }
.page-head h1 b { font-weight: 600; }
.page-head p { max-width: 56ch; color: var(--mute); font-size: 18px; margin-top: 20px; }

/* case */
.case-grid { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 24px; align-items: start; }
.case-text { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(24px, 4vw, 60px); }
.case-text h2 { font-size: clamp(28px, 3vw, 40px); font-weight: 300; letter-spacing: -.03em; grid-column: 1 / -1; }
.case-text p { color: #343a42; }
.pipeline { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; }
.node { position: relative; border: 1px solid var(--ink); background: var(--panel); padding: 16px 16px 18px; margin-right: 28px; }
.node:last-child { margin-right: 0; }
.node::after { content: ""; position: absolute; right: -29px; top: 50%; width: 28px; height: 1px; background: var(--ink); }
.node:last-child::after { display: none; }
.node::before { content: ""; position: absolute; right: -5px; top: calc(50% - 4px); width: 7px; height: 7px; border-radius: 50%; background: var(--signal); border: 1px solid var(--ink); }
.node .label { margin-bottom: 8px; }
.node h3 { font-size: 18px; margin-bottom: 6px; }
.node p { margin: 0; font-size: 13px; color: var(--mute); }

/* studio */
.ops { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }
.op { border: 1px solid var(--ink); background: var(--panel); }
.op img { width: 100%; aspect-ratio: 1; object-fit: cover; border-bottom: 1px solid var(--ink); filter: grayscale(1) contrast(1.1); }
.op .kv dt, .op .kv dd { padding: 7px 12px; font-size: 12px; }
.op h3 { font-size: 18px; padding: 12px 12px 4px; }

/* presets */
.presets { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.preset .body { padding: 18px 16px 20px; }
.preset h3 { font-size: 26px; font-weight: 300; letter-spacing: -.03em; margin-bottom: 8px; }
.preset .price { font: 600 22px var(--font-mono); margin: 14px 0; }
.preset .price small { font: 400 12px var(--font-mono); color: var(--mute); }
.toggle { display: flex; justify-content: space-between; align-items: center; padding: 9px 0; border-top: 1px dashed var(--rule); font: 400 13px var(--font-mono); }
.toggle i { width: 30px; height: 16px; border: 1px solid var(--ink); border-radius: 9px; position: relative; background: var(--panel-2); }
.toggle i::after { content: ""; position: absolute; top: 2px; left: 2px; width: 10px; height: 10px; border-radius: 50%; background: var(--ink); }
.toggle i.on { background: var(--signal); }
.toggle i.on::after { left: auto; right: 2px; background: #fff; }
.faq { max-width: 900px; border: 1px solid var(--ink); background: var(--panel); }
.faq details { border-bottom: 1px dashed var(--rule); }
.faq details:last-child { border-bottom: 0; }
.faq summary { display: block; position: relative; padding: 16px 48px 16px 16px; cursor: pointer; list-style: none; font: 600 17px var(--font-sans); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::before { content: "> "; font-family: var(--font-mono); color: var(--signal); }
.faq summary::after { content: "[+]"; position: absolute; right: 16px; top: 17px; font: 500 13px var(--font-mono); color: var(--mute); }
.faq details[open] summary::after { content: "[−]"; color: var(--signal); }
.faq details p { margin: 0; padding: 0 16px 18px 34px; color: #343a42; }

/* contact */
.contact { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr); gap: 24px; align-items: start; }
.form { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; padding: 18px 16px 20px; }
.form > *, .field { min-width: 0; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field--full, .actions, .form-note, .radios { grid-column: 1 / -1; }
.field label, .radios legend { font: 500 11px var(--font-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--mute); }
.field input, .field select, .field textarea { font: 400 15px var(--font-mono); color: var(--ink); background: #fff; border: 1px solid var(--ink); border-radius: 0; padding: 11px 12px; min-width: 0; max-width: 100%; }
.field textarea { min-height: 130px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: 2px solid var(--signal); outline-offset: 0; }
.radios { border: 0; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 0; }
.radios legend { margin-bottom: 8px; width: 100%; }
.radios label { position: relative; }
.radios input { position: absolute; opacity: 0; }
.radios span { display: block; padding: 9px 14px; border: 1px solid var(--ink); margin: 0 -1px -1px 0; font: 500 12px var(--font-mono); cursor: pointer; background: #fff; }
.radios input:checked + span { background: var(--ink); color: #fff; }
.radios input:focus-visible + span { outline: 2px solid var(--signal); outline-offset: 1px; position: relative; z-index: 1; }
.form-note { margin: 0; padding: 12px 14px; border: 1px solid var(--ok); color: #0b6e40; background: #e8f8f0; font: 400 13px var(--font-mono); }

/* 6. Footer ---------------------------------------------------------------- */
.site-footer { margin-top: var(--space); background: var(--ink); color: #fff; padding: clamp(60px, 8vw, 110px) 0 24px; }
.site-footer .label { color: #8b929c; }
.f-top { display: grid; grid-template-columns: 1fr auto; align-items: end; gap: 24px; padding-bottom: 50px; border-bottom: 1px solid #2c3138; }
.f-top .label { grid-column: 1 / -1; margin: 0; }
.f-top .btn { justify-self: start; }
.f-top h2 { font-size: clamp(40px, 6vw, 92px); font-weight: 300; letter-spacing: -.045em; line-height: .95; }
.site-footer .btn { box-shadow: 3px 3px 0 #fff; }
.f-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: var(--gutter); padding: 36px 0; font-size: 13px; }
.f-logo { font-weight: 600; letter-spacing: .06em; margin: 0 0 6px; }
.site-footer .dim { color: #8b929c; }
.f-grid a:hover { color: #9fb0ff; }
.f-base { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; font-size: 11px; color: #8b929c; border-top: 1px solid #2c3138; padding-top: 18px; margin: 0; }

/* 7. Responsive ------------------------------------------------------------ */
@media (max-width: 1100px) {
  .viewport { grid-template-columns: 46px minmax(0, 1fr); }
  .vp-side { grid-column: 1 / -1; border-left: 0; border-top: 1px solid var(--ink); }
  .status { display: none; }
  .presets { grid-template-columns: 1fr 1fr; }
  .ops { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .pipeline { grid-template-columns: 1fr; gap: 22px; }
  .node { margin-right: 0; }
  .node::after { right: auto; left: 30px; top: auto; bottom: -23px; width: 1px; height: 22px; }
  .node::before { right: auto; left: 26px; top: auto; bottom: -5px; }
}
@media (max-width: 860px) {
  .header-row { height: 56px; }
  .menu-btn { display: inline-block; margin-left: auto; position: relative; z-index: 60; font: 500 12px var(--font-mono); letter-spacing: .08em; color: #fff; background: transparent; border: 0; cursor: pointer; padding: 8px 0; }
  .site-nav { position: fixed; inset: 0; z-index: 55; flex-direction: column; justify-content: center; gap: 0; padding: 0 var(--gutter); background: var(--ink); opacity: 0; visibility: hidden; transition: opacity .25s, visibility .25s; }
  .site-nav a { font: 300 38px var(--font-sans); letter-spacing: -.03em; text-transform: none; color: #fff; padding: 14px 0; border: 0; border-bottom: 1px solid #2c3138; }
  .site-nav a span { font: 500 12px var(--font-mono); vertical-align: 10px; color: var(--signal); }
  .site-nav a[aria-current="page"] { background: transparent; color: #9fb0ff; }
  .menu-open .site-nav { opacity: 1; visibility: visible; }
  .menu-open { overflow: hidden; }
  .hero-title, .case-grid, .case-text, .contact, .form, .f-top { grid-template-columns: 1fr; }
  .specs { grid-template-columns: 1fr 1fr; }
  .specs div:nth-child(2) { border-right: 0; }
  .specs div:nth-child(-n + 2) { border-bottom: 1px solid var(--ink); }
  .log-head { display: none; }
  .log-row { grid-template-columns: 96px minmax(0, 1fr) auto; grid-template-areas: "t n s" "t m m"; row-gap: 4px; }
  .log-row .id, .log-row .res, .log-row .spp { display: none; }
  .log-row .time { grid-area: m; font-size: 12px; color: var(--mute); }
  .log-row .name { grid-area: n; }
  .log-row .st { grid-area: s; }
  .log-thumb { display: block; grid-area: t; width: 96px; aspect-ratio: 3 / 2; object-fit: cover; border: 1px solid var(--ink); }
  .log-img { display: none; }
  .presets { grid-template-columns: 1fr; }
  .f-grid { grid-template-columns: 1fr 1fr; }
  .f-grid > :first-child { grid-column: 1 / -1; }
}
@media (max-width: 560px) {
  .viewport { grid-template-columns: minmax(0, 1fr); box-shadow: 5px 5px 0 var(--ink); }
  .vp-tools { display: none; }
  .ops { grid-template-columns: 1fr 1fr; }
  .tabs, .filters { width: 100%; }
  .tabs button, .filters button { flex: 1 1 auto; padding: 10px 8px; }
  .log-row { grid-template-columns: 76px minmax(0, 1fr); grid-template-areas: "t n" "t m" "t s"; }
  .log-row .st { justify-self: start; }
  .log-thumb { width: 76px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
}