/* Blockhouse Workshop — telemetry (dark), specimen vault (light), archive drawings (blueprint ink). */
:root {
  --graphite: #0E0F11; --graphite-2: #17191C; --rule-dark: #2A2C30; --paper-ink: #E9E6DF; --muted-dark: #9A968E;
  --vault: #F2F0EB; --vault-2: #FFFFFF; --ink: #141414; --muted: #5E5A52; --rule: #D8D2C6;
  --draft: #ECE6D6; --draft-ink: #1E2A44;
  --signal: #FF5A1F; --signal-ink: #B23A0E;
  --sans: Geist, system-ui, sans-serif; --mono: 'Geist Mono', ui-monospace, monospace; --serif: 'Instrument Serif', Georgia, serif;
  color-scheme: light;
}
* { box-sizing: border-box; }
html { background: var(--vault); }
body { margin: 0; min-height: 100vh; display: flex; flex-direction: column; background: var(--vault); color: var(--ink); font: 400 16px/1.55 var(--sans); }
body.dark { background: var(--graphite); color: var(--paper-ink); }
a { color: inherit; }
::selection { background: var(--signal); color: var(--graphite); }

/* ---- top bar: wordmark from board 01, mark from board 06 */
.bar { position: sticky; top: 0; z-index: 20; display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  padding: 14px max(16px, calc((100vw - 1320px) / 2)); border-bottom: 0.5px solid var(--rule); background: color-mix(in srgb, var(--vault) 88%, transparent); backdrop-filter: blur(10px); }
body.dark .bar { border-color: var(--rule-dark); background: color-mix(in srgb, var(--graphite) 85%, transparent); }
.mark { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.mark svg { width: 40px; height: 28px; }
.mark .slit { fill: var(--signal); }
.mark span { font-weight: 600; font-size: 12px; letter-spacing: 0.3em; line-height: 1.35; }
.readout { display: flex; gap: 22px; align-items: center; font: 12px var(--mono); flex-wrap: wrap; }
.readout a { text-decoration: none; color: var(--muted); }
body.dark .readout a, body.dark #clock { color: var(--muted-dark); }
.readout a:hover, .readout a.on { color: var(--ink); }
body.dark .readout a:hover { color: var(--paper-ink); }
#clock b { color: var(--signal); font-weight: 500; }

main { flex: 1; width: 100%; outline: none; }

.wrap { max-width: 1320px; margin: 0 auto; padding: 0 16px; }
.foot { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding: 22px max(16px, calc((100vw - 1320px) / 2)); border-top: 0.5px solid var(--rule); font: 11px var(--mono); color: var(--muted); }
body.dark .foot { border-color: var(--rule-dark); color: var(--muted-dark); }
.eyebrow { font: 11px var(--mono); letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); }
body.dark .eyebrow { color: var(--muted-dark); }

/* ---- 01 telemetry front door */
.flight { height: 420vh; height: 420svh; position: relative; }
.flight .stage { position: sticky; top: 0; height: 100vh; height: 100svh; overflow: hidden; }
.flight svg.trace { position: absolute; inset: 64px 0 56px; width: 100%; height: calc(100% - 120px); }
.flight .intro { position: absolute; left: max(16px, calc((100vw - 1320px) / 2)); top: 96px; max-width: 520px; }
.flight h1 { font: 300 clamp(36px, 5vw, 64px)/1.02 var(--sans); letter-spacing: -0.02em; margin: 10px 0 12px; }
.flight h1 em { font-family: var(--serif); font-style: italic; font-weight: 400; }
.flight .intro p { color: var(--muted-dark); margin: 0; }
.evt { position: absolute; display: flex; flex-direction: column; gap: 2px; text-decoration: none; opacity: 0.18; transform: translateY(6px); transition: opacity .4s, transform .4s; max-width: 220px; }
.evt.lit { opacity: 1; transform: none; }
.evt small { font: 10px var(--mono); color: var(--muted-dark); letter-spacing: 0.06em; }
.evt.now small { color: var(--signal); }
.evt span { font-size: 19px; font-weight: 300; }
.evt span:hover { color: var(--signal); }
.flight .gauges { position: absolute; left: 0; right: 0; bottom: 0; height: 56px; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 0 max(16px, calc((100vw - 1320px) / 2)); border-top: 0.5px solid var(--rule-dark); font: 11px var(--mono); color: var(--muted-dark); }
.flight .gauges b { color: var(--paper-ink); font-weight: 500; }

/* ---- catalog */
.catalog { padding-top: 48px; padding-bottom: 72px; }   /* keep .wrap's side padding */
.catalog h1, .part h1 { font: 400 clamp(40px, 5vw, 64px)/1 var(--serif); margin: 8px 0 16px; letter-spacing: -0.01em; }
.tabs { display: flex; gap: 8px; flex-wrap: wrap; margin: 20px 0 28px; }
.tabs a { text-decoration: none; padding: 10px 14px; min-height: 44px; display: inline-flex; align-items: center; border: 0.5px solid var(--rule); font: 12px var(--mono); color: var(--muted); }
.tabs a.on { background: var(--ink); color: var(--vault); border-color: var(--ink); }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 0; border-top: 0.5px solid var(--rule); border-left: 0.5px solid var(--rule); }
.card { display: flex; flex-direction: column; gap: 10px; padding: 20px; min-height: 300px; text-decoration: none; border-right: 0.5px solid var(--rule); border-bottom: 0.5px solid var(--rule); background: transparent; transition: background .2s; color: var(--draft-ink); }
.card:hover { background: var(--vault-2); }
.card .sil { flex: 1; display: grid; place-items: center; }
.card b { font: 400 22px/1.1 var(--serif); color: var(--ink); }
.card .meta { font: 11px var(--mono); color: var(--muted); display: flex; justify-content: space-between; }

/* ---- 02 specimen + 03 drawing */
.part { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); min-height: calc(100vh - 120px); }
@media (max-width: 900px) { .part { grid-template-columns: 1fr; } .part .stage3d { position: relative; top: 0; height: 70vh; } }
.stage3d { position: sticky; top: 57px; align-self: start; height: calc(100vh - 57px); min-height: 520px; background: radial-gradient(60% 55% at 50% 45%, #FFFFFF 0%, var(--vault) 72%); }
.stage3d .gl { position: absolute; inset: 0; }
.stage3d .crumbs { position: absolute; top: 20px; left: 24px; font: 11px var(--mono); color: var(--muted); z-index: 2; }
.stage3d .crumbs a { color: var(--muted); }
.stage3d .controls { position: absolute; left: 24px; right: 24px; bottom: 20px; display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; z-index: 2; }
.seg { display: flex; gap: 0; flex-wrap: wrap; }
.seg[aria-label="Material"] button { margin: 0 0 -0.5px; }
.seg button { font: 12px var(--mono); min-height: 40px; padding: 0 14px; background: rgba(255,255,255,.6); color: var(--ink); border: 0.5px solid var(--rule); cursor: pointer; }
.seg button + button { border-left: 0; }
.seg button.on { background: var(--ink); color: var(--vault); border-color: var(--ink); }
.photo { position: absolute; inset: 0; margin: 0; display: grid; place-items: center; background: #E2DED6; }
.photo img { width: 100%; height: 100%; object-fit: contain; display: block; }
.photo img:not([src]) { visibility: hidden; }
.photo figcaption { position: absolute; left: 24px; right: 24px; bottom: 72px; font: 11px var(--mono); color: var(--muted); }
.card .sil { margin: 0 -20px; background: #DCD9D3; overflow: hidden; }
.card .sil img { width: 100%; height: 240px; object-fit: cover; object-position: center 55%; display: block; }
.loading { position: absolute; inset: 0; display: grid; place-items: center; font: 12px var(--mono); color: var(--muted); }
.side { border-left: 0.5px solid var(--rule); padding: 40px 36px 48px; display: flex; flex-direction: column; gap: 22px; }
@media (max-width: 900px) { .side { border-left: 0; border-top: 0.5px solid var(--rule); padding: 28px 16px; } }
.side p.lede { margin: 0; color: #3D3A35; }
.sheet { background-color: var(--draft); background-image: linear-gradient(#DDD4BF 0.5px, transparent 0.5px), linear-gradient(90deg, #DDD4BF 0.5px, transparent 0.5px); background-size: 16px 16px; color: var(--draft-ink); }
.specs { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); border-top: 0.5px solid var(--rule); font-size: 13px; }
.specs div { padding: 9px 0; border-bottom: 0.5px solid var(--rule); }
.specs div:nth-child(odd) { color: var(--muted); }
.specs div:nth-child(even) { font-family: var(--mono); font-size: 12px; }
.actions { display: flex; flex-direction: column; gap: 10px; }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 50px; padding: 0 18px; font: 600 15px var(--sans); text-decoration: none; border: 0.5px solid var(--ink); background: transparent; color: var(--ink); cursor: pointer; }
.btn.signal { background: var(--signal); border-color: var(--signal); color: var(--ink); }
.note { font: 12px var(--mono); color: var(--muted); }
.about { max-width: 760px; padding: 64px 16px 96px; margin: 0 auto; }
.about h1 { font: 400 56px/1 var(--serif); margin: 8px 0 20px; }
.about p { color: #3D3A35; font-size: 18px; }
/* ---- shop */
.cartlink b { background: var(--signal); color: var(--ink); font-weight: 600; padding: 1px 6px; margin-left: 4px; }
.buy { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; }
.buy .price { font: 400 34px/1 var(--serif); }
.btn.ghost { border-color: var(--rule); color: var(--muted); font-weight: 400; }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.banner { border: 0.5px solid var(--signal); background: #FFF1EA; padding: 10px 14px; font: 12px var(--mono); }
.cart-lines { border-top: 0.5px solid var(--rule); margin: 18px 0; }
.cart-line { display: grid; grid-template-columns: 72px minmax(0, 1fr) auto auto auto; gap: 16px; align-items: center; padding: 12px 0; border-bottom: 0.5px solid var(--rule); }
.cart-line img { width: 72px; height: 88px; object-fit: cover; background: #DCD9D3; }
.cart-line a { color: var(--ink); text-decoration: none; }
.cart-line > div:nth-child(2) { display: flex; flex-direction: column; gap: 4px; }
@media (max-width: 640px) { .cart-line { grid-template-columns: 56px minmax(0, 1fr) auto; } .cart-line img { width: 56px; height: 70px; } .cart-line .link { grid-column: 2; justify-self: start; } }
.qty { display: inline-flex; align-items: center; border: 0.5px solid var(--rule); }
.qty button { all: unset; cursor: pointer; width: 40px; height: 40px; text-align: center; font: 18px var(--mono); }
.qty span { min-width: 28px; text-align: center; font: 14px var(--mono); }
.link { all: unset; cursor: pointer; font: 12px var(--mono); color: var(--muted); text-decoration: underline; }
.totals { max-width: 420px; margin-left: auto; display: flex; flex-direction: column; gap: 10px; }
.totals > div { display: flex; justify-content: space-between; font-size: 15px; }
.totals .grand { border-top: 0.5px solid var(--ink); padding-top: 10px; font-size: 18px; }
.agree { display: flex; gap: 10px; align-items: flex-start; font-size: 13px; color: #3D3A35; }
.agree input { margin-top: 3px; width: 18px; height: 18px; accent-color: var(--signal); flex: none; }
.commission form { display: flex; flex-direction: column; gap: 16px; margin-top: 20px; }
.commission .fields { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; }
.commission label { display: flex; flex-direction: column; gap: 6px; font: 12px var(--mono); color: var(--muted); }
.commission label.wide { grid-column: 1 / -1; }
.commission input, .commission select, .commission textarea { font: 15px var(--sans); color: var(--ink); background: var(--vault-2); border: 0.5px solid var(--rule); padding: 10px 12px; min-height: 44px; }
.commission .hp { position: absolute; left: -9999px; }
@media (prefers-reduced-motion: reduce) { .evt { transition: none; } }

/* ---- part options: colour, personalization, fitment */
.opts { display: flex; flex-direction: column; gap: 12px; margin: 4px 0 8px; }
.optrow { display: flex; flex-direction: column; gap: 6px; }
.optrow input:not([type=color]), .optrow select { font: 14px var(--sans); padding: 10px 12px; border: 0.5px solid var(--rule); background: rgba(255,255,255,.7); color: var(--ink); border-radius: 0; min-height: 44px; }
.optrow input[type=color] { width: 64px; height: 40px; padding: 0; border: 0.5px solid var(--rule); background: none; }
.swatches { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.swatches button { width: 30px; height: 30px; border-radius: 50%; background: var(--c); border: 0.5px solid rgba(0,0,0,.25); cursor: pointer; padding: 0; box-shadow: inset 0 -4px 8px rgba(0,0,0,.12); }
.swatches button.on { outline: 2px solid var(--signal); outline-offset: 2px; }
.swatches button.custom { background: conic-gradient(#E8501A, #F2C230, #2E6B3A, #1F4FA8, #C62828, #E8501A); }
.swatches .note { margin-left: 4px; }
.dot { display: inline-block; width: 10px; height: 10px; border-radius: 50%; background: var(--c); margin-right: 4px; vertical-align: -1px; }
.cart-line.fee { padding-top: 6px; padding-bottom: 6px; }
@media (max-width: 719px) { .stage3d .controls { left: 12px; right: 12px; bottom: 12px; } .seg button { padding: 0 10px; font-size: 11px; } }

/* ---- phones: one-row header, tall flight track, gauges above the Safari toolbar */
@media (max-width: 719px) {
  .bar { padding: 10px 16px 8px; gap: 8px 12px; }
  .mark svg { width: 32px; height: 22px; }
  .mark span { font-size: 10.5px; letter-spacing: 0.24em; }
  .readout { order: 3; width: 100%; flex-wrap: nowrap; gap: 18px; overflow-x: auto; scrollbar-width: none; -webkit-overflow-scrolling: touch; padding-bottom: 2px; font-size: 12.5px; }
  .readout::-webkit-scrollbar { display: none; }
  .readout a { white-space: nowrap; padding: 6px 0; }
  .readout a[href="#/parts/nose"], .readout a[href="#/about"] { display: none; }
  #clock { white-space: nowrap; }
  .flight .stage { display: flex; flex-direction: column; }
  .flight .intro { position: relative; left: auto; top: auto; max-width: none; padding: calc(var(--bar-h, 96px) + 12px) 16px 0; }
  .flight h1 { font-size: clamp(28px, 8.2vw, 36px); margin: 8px 0 8px; }
  .flight .intro p { font-size: 14px; }
  .flight svg.trace { position: relative; inset: auto; flex: 1 1 auto; min-height: 0; width: 100%; height: auto; }
  .evt { max-width: 46vw; background: rgba(14,15,17,.78); padding: 2px 6px; border-radius: 2px; }
  .evt span { font-size: 16px; line-height: 1.2; }
  .evt small { font-size: 9.5px; }
  .flight .gauges { position: relative; height: auto; flex-wrap: wrap; gap: 4px 14px; padding: 10px 16px calc(10px + env(safe-area-inset-bottom)); font-size: 10.5px; }
  .flight .gauges .wide-only { display: none; }
}
.optrow[hidden] { display: none; }