/* Layout concept: a technician's build ticket pinned to a bench grid, then plain ruled sections. One accent (board teal), everything else graphite. */
:root {
  --bg: #EDEFF1;
  --surface: #F8F9FA;
  --ink: #13181D;
  --ink-2: #47525C;
  --line: #C6CDD3;
  --track: #DCE1E5;
  --bar-muted: #7D8A95;
  --grid: rgba(19, 24, 29, 0.06);
  --accent: #0B7A6E;
  --accent-ink: #FFFFFF;
  --accent-soft: #D3EBE7;
  --danger: #A32D2D;
  --font-display: "Big Shoulders Display", "Arial Narrow", Impact, sans-serif;
  --font-body: "Instrument Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, Menlo, Consolas, monospace;
  color-scheme: light;
  padding-top: env(safe-area-inset-top, 0px);
  padding-bottom: env(safe-area-inset-bottom, 0px);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0F1317;
    --surface: #171D22;
    --ink: #E6EAED;
    --ink-2: #9AA6B0;
    --line: #2B343C;
    --track: #222B32;
    --bar-muted: #55646F;
    --grid: rgba(230, 234, 237, 0.05);
    --accent: #4FD1B5;
    --accent-ink: #06211C;
    --accent-soft: #16332E;
    --danger: #F09595;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0F1317;
  --surface: #171D22;
  --ink: #E6EAED;
  --ink-2: #9AA6B0;
  --line: #2B343C;
  --track: #222B32;
  --bar-muted: #55646F;
  --grid: rgba(230, 234, 237, 0.05);
  --accent: #4FD1B5;
  --accent-ink: #06211C;
  --accent-soft: #16332E;
  --danger: #F09595;
  color-scheme: dark;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
}
img, svg { max-width: 100%; }
.shell { max-width: 1120px; margin: 0 auto; }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
h1, h2, h3 { font-family: var(--font-display); text-transform: uppercase; text-wrap: balance; margin: 0; }
h1 { font-weight: 800; font-size: clamp(3.2rem, 9vw, 5.8rem); line-height: 0.92; letter-spacing: 0.005em; margin-bottom: 22px; }
h1.page { font-size: clamp(2.6rem, 7vw, 4.4rem); margin-bottom: 14px; }
h2 { font-weight: 800; font-size: clamp(2.2rem, 5vw, 3.4rem); line-height: 0.95; margin-bottom: 14px; }
h3 { font-weight: 700; font-size: 1.7rem; line-height: 1; letter-spacing: 0.02em; }
.mono { font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-2); }

/* Header + footer */
.site-head {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: 12px 28px; padding-block: 20px; border-bottom: 1px solid var(--line);
}
.brand {
  font-family: var(--font-display); font-weight: 800; font-size: 1.7rem; line-height: 1;
  letter-spacing: 0.04em; text-transform: uppercase; text-decoration: none;
}
.brand small { display: block; margin-top: 5px; font-family: var(--font-mono); font-weight: 400; font-size: 0.68rem; letter-spacing: 0.08em; color: var(--ink-2); }
.site-nav { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 22px; }
.site-nav a.link { text-decoration: none; font-weight: 500; font-size: 0.95rem; }
.site-nav a.link:hover { text-decoration: underline; text-underline-offset: 5px; }
.site-nav a.link[aria-current="page"] { text-decoration: underline; text-decoration-thickness: 2px; text-decoration-color: var(--accent); text-underline-offset: 6px; }
.site-foot {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px 24px;
  padding-block: 28px 36px; border-top: 1px solid var(--line);
  font-family: var(--font-mono); font-size: 0.75rem; letter-spacing: 0.04em; color: var(--ink-2);
}
.site-foot nav { display: flex; flex-wrap: wrap; gap: 6px 18px; }

.btn {
  display: inline-block; padding: 11px 18px; border-radius: 4px; border: 1px solid var(--accent);
  background: var(--accent); color: var(--accent-ink); font: 600 0.95rem var(--font-body);
  text-decoration: none; cursor: pointer;
}
.btn:hover { filter: brightness(1.08); }
.btn.ghost { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn.ghost:hover { background: var(--ink); color: var(--bg); filter: none; }
.mini { display: inline-block; padding: 6px 12px; border: 1px solid var(--ink); border-radius: 4px; background: transparent; color: var(--ink); font: 600 0.82rem var(--font-body); cursor: pointer; text-decoration: none; }
.mini:hover { background: var(--ink); color: var(--bg); }

/* Hero */
.hero {
  position: relative; isolation: isolate; display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr); gap: 44px; align-items: center;
  padding-block: 56px 68px;
}
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background-image: linear-gradient(var(--grid) 1px, transparent 1px), linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 32px 32px;
  -webkit-mask-image: linear-gradient(to bottom, #000 35%, transparent);
  mask-image: linear-gradient(to bottom, #000 35%, transparent);
}
.lede { max-width: 46ch; margin: 0 0 28px; font-size: 1.125rem; color: var(--ink-2); }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 22px; }
.fineprint { margin: 0; font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.04em; color: var(--ink-2); }

/* Ticket */
.ticket { background: var(--surface); border: 1px solid var(--line); border-radius: 4px; box-shadow: 0 18px 40px -26px rgba(0, 0, 0, 0.45); }
.ticket-head {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px;
  padding: 14px 18px; border-bottom: 1px dashed var(--line);
  font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-2);
}
.seg { display: inline-flex; border: 1px solid var(--line); border-radius: 4px; overflow: hidden; }
.seg button { padding: 8px 16px; border: 0; background: transparent; color: var(--ink); cursor: pointer; font: 600 0.9rem var(--font-body); }
.seg button[aria-pressed="true"] { background: var(--accent); color: var(--accent-ink); }
.ticket dl, .ticket .rows { margin: 0; padding: 4px 18px; }
.ticket .row { display: grid; grid-template-columns: 92px minmax(0, 1fr); gap: 16px; padding: 11px 0; border-bottom: 1px solid var(--line); }
.ticket .row:last-child { border-bottom: 0; }
.ticket dt { padding-top: 3px; font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-2); }
.ticket dd { margin: 0; font-weight: 500; overflow-wrap: anywhere; }
.ticket dd.auto { color: var(--ink-2); font-weight: 400; font-style: italic; }
.ticket-foot { padding: 14px 18px; border-top: 1px dashed var(--line); font-size: 0.88rem; color: var(--ink-2); }
.ticket-foot p { margin: 0 0 6px; }
.ticket-foot p:last-child { margin: 0; font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.04em; }
.empty { margin: 0; padding: 22px 18px; color: var(--ink-2); font-size: 0.95rem; }

/* Sections */
.section { padding-block: 68px; border-top: 1px solid var(--line); }
.page-head { padding-block: 48px 36px; }
.intro { max-width: 58ch; margin: 0; color: var(--ink-2); font-size: 1.05rem; }
.note { margin: 26px 0 0; max-width: 62ch; font-size: 0.9rem; color: var(--ink-2); }

.services { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 36px; margin-top: 40px; }
.svc { border-top: 3px solid var(--ink); padding-top: 16px; }
.svc h3 { margin-bottom: 10px; }
.svc p { margin: 0; color: var(--ink-2); }

.ways { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; margin-top: 36px; }
.way { display: block; text-decoration: none; padding: 24px; background: var(--surface); border: 1px solid var(--line); border-radius: 4px; }
.way:hover { border-color: var(--accent); }
.way h3 { margin-bottom: 10px; }
.way p { margin: 0 0 14px; color: var(--ink-2); }
.way .go { font-weight: 600; color: var(--accent); }

.split { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 56px; margin-top: 40px; }
.split h3 { margin-bottom: 18px; }
.bars { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.bars li { display: grid; grid-template-columns: 150px minmax(0, 1fr) 46px; align-items: center; gap: 12px; }
.bars .lab { font-size: 0.92rem; }
.bars .track { height: 14px; background: var(--track); }
.bars .fill { display: block; height: 100%; width: var(--v); background: var(--bar-muted); }
.bars .hi .fill { background: var(--accent); }
.bars .hi .lab { font-weight: 700; }
.bars .val { font-family: var(--font-mono); font-size: 0.82rem; text-align: right; font-variant-numeric: tabular-nums; }

.steps { list-style: none; margin: 40px 0 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 28px; }
.steps li { border-top: 1px solid var(--ink); padding-top: 14px; }
.steps .n { font-family: var(--font-display); font-weight: 800; font-size: 3.2rem; line-height: 1; color: var(--accent); }
.steps h3 { font-size: 1.45rem; margin: 6px 0 8px; }
.steps p { margin: 0; color: var(--ink-2); font-size: 0.97rem; }

.symptoms { list-style: none; margin: 36px 0 0; padding: 0; border-top: 1px solid var(--ink); }
.symptoms li { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 2fr); gap: 8px 32px; padding: 16px 0; border-bottom: 1px solid var(--line); }
.symptoms .sym { font-weight: 600; }
.symptoms .chk { color: var(--ink-2); }
.symptoms .chk b { font-family: var(--font-mono); font-weight: 500; font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; margin-right: 8px; color: var(--accent); }

.faq { margin-top: 32px; max-width: 760px; border-top: 1px solid var(--ink); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { cursor: pointer; padding: 16px 0; font-weight: 600; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-family: var(--font-mono); color: var(--accent); }
.faq details[open] summary::after { content: "\2013"; }
.faq details p { margin: 0 0 16px; color: var(--ink-2); max-width: 62ch; }

/* Shop listing */
.product { display: grid; grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr); gap: 0; background: var(--surface); border: 1px solid var(--line); border-radius: 4px; overflow: hidden; }
.product-art { display: grid; place-items: center; padding: 32px; border-right: 1px dashed var(--line); background-image: linear-gradient(var(--grid) 1px, transparent 1px), linear-gradient(90deg, var(--grid) 1px, transparent 1px); background-size: 24px 24px; }
.product-art svg { width: min(220px, 100%); height: auto; }
.art .s { fill: none; stroke: var(--ink); stroke-width: 2; vector-effect: non-scaling-stroke; }
.art .a { fill: var(--accent-soft); stroke: var(--accent); stroke-width: 2; vector-effect: non-scaling-stroke; }
.product-info { padding: 32px; display: grid; gap: 14px; align-content: start; }
.product-info h2 { margin: 0; }
.product-info p { margin: 0; color: var(--ink-2); }
.tag { justify-self: start; padding: 4px 10px; border: 1px solid var(--accent); color: var(--accent); font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; }
.opt-list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.opt-list li { padding: 12px 0; border-bottom: 1px solid var(--line); color: var(--ink-2); }
.opt-list b { color: var(--ink); display: block; }

/* Custom Build order page */
.builder { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.7fr); gap: 44px; align-items: start; padding-bottom: 68px; }
.builder aside { position: sticky; top: 16px; }
.builder aside .ticket { max-height: calc(100vh - 32px); overflow: auto; }
.block { padding-block: 28px; border-top: 1px solid var(--ink); }
.block:first-child { border-top: 0; padding-top: 0; }
.step { margin: 0 0 6px; font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent); }
.block h2 { font-size: 2rem; margin-bottom: 8px; }
.hint { margin: 0 0 18px; color: var(--ink-2); max-width: 56ch; }
.paths { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.path { position: relative; display: block; }
.path input { position: absolute; opacity: 0; pointer-events: none; }
.path .body { display: block; height: 100%; padding: 18px; background: var(--surface); border: 1px solid var(--line); border-radius: 4px; cursor: pointer; }
.path .body b { display: block; margin-bottom: 4px; font-size: 1.05rem; }
.path .body span { color: var(--ink-2); font-size: 0.93rem; }
.path input:checked + .body { border-color: var(--accent); box-shadow: inset 0 0 0 1px var(--accent); background: var(--accent-soft); }
.path input:focus-visible + .body { outline: 2px solid var(--accent); outline-offset: 3px; }

.parts { border-top: 1px solid var(--line); }
.part { display: grid; grid-template-columns: 120px minmax(0, 1fr) auto; gap: 8px 14px; align-items: center; padding: 12px 0; border-bottom: 1px solid var(--line); }
.part > label:first-child { font-family: var(--font-mono); font-size: 0.74rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-2); }
.chk-inline { display: flex; align-items: center; gap: 6px; font-size: 0.86rem; white-space: nowrap; cursor: pointer; }
.chk-inline input { width: 18px; height: 18px; accent-color: var(--accent); }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { position: relative; }
.chip input { position: absolute; opacity: 0; pointer-events: none; }
.chip span { display: inline-block; padding: 8px 12px; border: 1px solid var(--line); border-radius: 4px; background: var(--surface); font-size: 0.92rem; cursor: pointer; }
.chip input:checked + span { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); font-weight: 600; }
.chip input:focus-visible + span { outline: 2px solid var(--accent); outline-offset: 3px; }

.fields { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.field { display: grid; gap: 6px; min-width: 0; align-content: start; }
.field.wide { grid-column: 1 / -1; }
.field label, .lbl { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-2); }
.field input, .field select, .field textarea, .part input[type="text"], .part select {
  width: 100%; padding: 11px 12px; border: 1px solid var(--line); border-radius: 4px;
  background: var(--surface); color: var(--ink); font: 400 1rem var(--font-body);
}
.part input[type="text"]:disabled, .part select:disabled { background: var(--track); color: var(--ink-2); }
.field textarea { min-height: 100px; resize: vertical; }
.form-actions { margin-top: 20px; display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.msg { margin: 12px 0 0; color: var(--danger); font-size: 0.93rem; }
.review { padding: 22px; background: var(--surface); border: 1px solid var(--accent); border-radius: 4px; }
.review textarea { width: 100%; min-height: 220px; padding: 12px; border: 1px solid var(--line); border-radius: 4px; background: var(--bg); color: var(--ink); font: 400 0.86rem var(--font-mono); }
.status { margin: 10px 0 0; font-size: 0.92rem; color: var(--ink-2); }

/* Contact */
.quote { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); gap: 48px; align-items: start; }
.mailbox { margin-top: 28px; padding: 16px 18px; background: var(--accent-soft); border: 1px solid var(--line); border-radius: 4px; }
.mailbox .k { display: block; margin-bottom: 6px; font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-2); }
.mail-line { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 14px; }
.mailbox code { font-family: var(--font-mono); font-size: 0.95rem; user-select: all; overflow-wrap: anywhere; }
.panel { background: var(--surface); border: 1px solid var(--line); border-radius: 4px; padding: 24px; }
.panel .field input, .panel .field select, .panel .field textarea { background: var(--bg); }
.out { margin-top: 22px; padding-top: 18px; border-top: 1px dashed var(--line); }
.out textarea { width: 100%; min-height: 150px; padding: 12px; border: 1px solid var(--line); border-radius: 4px; background: var(--bg); color: var(--ink); font: 400 0.88rem var(--font-mono); }

/* Ordering flow */
.flow { list-style: none; margin: 28px 0 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; counter-reset: f; }
.flow li { counter-increment: f; border-top: 2px solid var(--ink); padding-top: 10px; font-size: 0.93rem; color: var(--ink-2); }
.flow li::before { content: counter(f); display: block; margin-bottom: 2px; font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.08em; color: var(--accent); }
.flow li b { display: block; color: var(--ink); font-weight: 600; }
.next { list-style: none; margin: 22px 0 0; padding: 0; counter-reset: n; }
.next li { counter-increment: n; display: grid; grid-template-columns: 40px minmax(0, 1fr); gap: 4px 12px; padding: 16px 0; border-top: 1px solid var(--line); }
.next li::before { content: counter(n); grid-row: 1 / span 3; font-family: var(--font-display); font-weight: 800; font-size: 2rem; line-height: 1; color: var(--accent); }
.next h3 { font-size: 1.25rem; margin: 0; }
.next p { margin: 0; color: var(--ink-2); font-size: 0.95rem; overflow-wrap: anywhere; }
.next .acts { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 10px; }

/* Price estimate */
.ctl { display: grid; gap: 8px; min-width: 0; }
.part-note { font-size: 0.84rem; color: var(--ink-2); }
.est { padding: 14px 18px; border-top: 1px dashed var(--line); }
.est-row { display: flex; justify-content: space-between; gap: 12px; padding: 4px 0; font-size: 0.93rem; color: var(--ink-2); }
.est-row b { color: var(--ink); font-weight: 600; font-variant-numeric: tabular-nums; text-align: right; }
.est-total { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; margin-top: 8px; padding-top: 10px; border-top: 1px solid var(--ink); }
.est-total span { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-2); }
.est-total strong { font-family: var(--font-display); font-weight: 800; font-size: 2.3rem; line-height: 1; font-variant-numeric: tabular-nums; }
.est-note { margin: 10px 0 0; font-size: 0.8rem; color: var(--ink-2); }

.band { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 18px 32px; padding: 28px; border: 1px solid var(--ink); border-radius: 4px; }
.band p { margin: 0; max-width: 52ch; }

@media (max-width: 900px) {
  .hero, .quote, .product, .builder { grid-template-columns: minmax(0, 1fr); }
  .hero { padding-block: 40px 52px; }
  .services, .ways { grid-template-columns: minmax(0, 1fr); gap: 24px; }
  .split { grid-template-columns: minmax(0, 1fr); gap: 44px; }
  .steps, .flow { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .section { padding-block: 52px; }
  .product-art { border-right: 0; border-bottom: 1px dashed var(--line); }
  .builder aside { position: static; }
  .builder aside .ticket { max-height: none; }
}
@media (max-width: 560px) {
  .steps, .flow, .paths, .fields { grid-template-columns: minmax(0, 1fr); }
  .symptoms li { grid-template-columns: minmax(0, 1fr); }
  .bars li { grid-template-columns: minmax(0, 1fr) 46px; }
  .bars .lab { grid-column: 1 / -1; }
  .bars .track { grid-column: 1; }
  .ticket .row { grid-template-columns: minmax(0, 1fr); gap: 2px; }
  .part { grid-template-columns: minmax(0, 1fr); }
  .panel, .product-info { padding: 18px; }
  .site-nav { gap: 8px 16px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation: none !important; transition: none !important; }
}