/* Layout: line-sheet catalogue. Light paper by default, obsidian band for the AMD system, mono for SKUs and prices. */
/* Fonts are self-hosted (Latin subsets, SIL OFL 1.1, licenses in /fonts) so no request leaves the site. */
@font-face { font-family: 'Space Grotesk'; src: url('/fonts/space-grotesk-latin.woff2') format('woff2'); font-weight: 300 700; font-display: swap; }
@font-face { font-family: 'Plus Jakarta Sans'; src: url('/fonts/plus-jakarta-sans-latin.woff2') format('woff2'); font-weight: 200 800; font-display: swap; }
@font-face { font-family: 'JetBrains Mono'; src: url('/fonts/jetbrains-mono-latin.woff2') format('woff2'); font-weight: 100 800; font-display: swap; }
:root {
  --bg: #F6F8FA;
  --surface: #FFFFFF;
  --ink: #07111E;
  --muted: #4A5563;
  --line: #D9DFE6;
  --accent: #005F4B;
  --accent-ink: #00483A;
  --accent-tint: #E4EFEB;
  --band: #07111E;
  --band-ink: #F6F8FA;
  --band-muted: #A3B0BF;
  --band-line: rgba(203, 213, 225, 0.18);
  --signal: #00F5D4;
  --flag: #FFF1B8;
  --font-display: 'Space Grotesk', 'Segoe UI', system-ui, sans-serif;
  --font-body: 'Plus Jakarta Sans', 'Segoe UI', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, Consolas, monospace;
  --radius: 6px;
  --wrap: 1200px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #07111E; --surface: #0E192B; --ink: #F1F4F7; --muted: #A3B0BF; --line: #22324A;
    --accent: #34D399; --accent-ink: #6EE7B7; --accent-tint: rgba(52, 211, 153, 0.12);
    --band: #040A12; --band-line: rgba(203, 213, 225, 0.14); --flag: #4A3F12;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--font-body); font-size: 16px; line-height: 1.55; -webkit-font-smoothing: antialiased; }
h1, h2, h3 { font-family: var(--font-display); margin: 0; text-wrap: balance; letter-spacing: -0.015em; }
p { margin: 0; }
a { color: inherit; }
img { max-width: 100%; display: block; }
button { font: inherit; color: inherit; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }
.skip { position: absolute; left: -999px; top: 8px; background: var(--ink); color: var(--bg); padding: 8px 12px; z-index: 50; }
.skip:focus { left: 12px; }
.flag { background: var(--flag); padding: 0 0.25em; border-radius: 3px; }

/* Header */
.strip { background: var(--band); color: var(--band-muted); font-size: 0.8rem; }
.strip .wrap { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; padding-block: 0.45rem; }
.strip strong { color: var(--band-ink); font-weight: 600; }
header.site { position: sticky; top: 0; z-index: 20; background: color-mix(in srgb, var(--bg) 92%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
header.site .wrap { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; min-height: 68px; }
.logo { display: flex; align-items: center; gap: 0.65rem; text-decoration: none; }
.logo img { width: 36px; height: 36px; }
.logo b { font-family: var(--font-display); font-size: 1.05rem; letter-spacing: 0.02em; display: block; line-height: 1.1; }
.logo small { font-size: 0.72rem; color: var(--muted); letter-spacing: 0.04em; }
nav.main { display: flex; gap: 0.25rem; }
nav.main a { text-decoration: none; font-size: 0.92rem; font-weight: 500; padding: 0.55rem 0.75rem; border-radius: var(--radius); color: var(--muted); }
nav.main a:hover { color: var(--ink); background: var(--accent-tint); }
.quote-btn { display: inline-flex; align-items: center; gap: 0.5rem; background: var(--ink); color: var(--bg); border: 0; border-radius: var(--radius); padding: 0.6rem 0.95rem; font-weight: 600; font-size: 0.92rem; cursor: pointer; min-height: 44px; }
.quote-btn .count { font-family: var(--font-mono); background: var(--signal); color: #07111E; border-radius: 4px; padding: 0 0.4rem; font-size: 0.8rem; min-width: 1.5rem; text-align: center; }
@media (max-width: 860px) { nav.main { display: none; } }

/* Intro */
.intro { padding-block: 3.5rem 3rem; border-bottom: 1px solid var(--line); }
.intro .wrap { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr); gap: 3rem; align-items: end; }
.eyebrow { font-family: var(--font-mono); font-size: 0.75rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent); margin-bottom: 1rem; }
.intro h1 { font-size: clamp(2rem, 4.2vw, 3.1rem); line-height: 1.08; max-width: 18ch; }
.intro p.lede { margin-top: 1.1rem; font-size: 1.08rem; color: var(--muted); max-width: 54ch; }
.actions { display: flex; gap: 0.75rem; flex-wrap: wrap; margin-top: 1.75rem; }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 0.7rem 1.15rem; border-radius: var(--radius); font-weight: 600; text-decoration: none; border: 1px solid var(--line); background: var(--surface); cursor: pointer; transition: background-color 0.15s, border-color 0.15s; }
.btn:hover { border-color: var(--ink); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #FFFFFF; }
.btn.primary:hover { background: var(--accent-ink); border-color: var(--accent-ink); }
@media (prefers-color-scheme: dark) { .btn.primary { color: #07111E; } }
.sheet { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); }
.sheet dl { margin: 0; display: grid; grid-template-columns: 1fr 1fr; }
.sheet dl div { padding: 1rem 1.15rem; border-bottom: 1px solid var(--line); }
.sheet dl div:nth-child(odd) { border-right: 1px solid var(--line); }
.sheet dl div:nth-last-child(-n+2) { border-bottom: 0; }
.sheet dt { font-size: 0.78rem; color: var(--muted); }
.sheet dd { margin: 0.2rem 0 0; font-family: var(--font-mono); font-size: 1.35rem; font-weight: 600; }
.sheet dd.small { font-family: var(--font-body); font-size: 0.95rem; font-weight: 600; }
@media (max-width: 860px) { .intro .wrap { grid-template-columns: minmax(0, 1fr); gap: 2rem; } }

/* AMD band */
.amd { background: var(--band); color: var(--band-ink); padding-block: 4rem; }
.amd .wrap { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr); gap: 3rem; align-items: start; }
.amd .lockup { height: 46px; width: auto; margin-bottom: 1.5rem; }
.amd h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); line-height: 1.15; }
.amd p.sub { color: var(--band-muted); margin-top: 0.75rem; max-width: 56ch; }
.spec-list { list-style: none; padding: 0; margin: 1.5rem 0 0; display: grid; grid-template-columns: 1fr 1fr; gap: 0.5rem 1.5rem; font-size: 0.93rem; }
.spec-list li { padding-left: 0.9rem; position: relative; color: var(--band-ink); }
.spec-list li::before { content: ""; position: absolute; left: 0; top: 0.62em; width: 5px; height: 5px; background: var(--signal); }
.price-table { width: 100%; border-collapse: collapse; margin-top: 2rem; font-size: 0.92rem; }
.price-table th { text-align: left; font-family: var(--font-mono); font-size: 0.72rem; font-weight: 500; letter-spacing: 0.06em; text-transform: uppercase; color: var(--band-muted); padding: 0 0.75rem 0.6rem 0; border-bottom: 1px solid var(--band-line); }
.price-table td { padding: 0.75rem 0.75rem 0.75rem 0; border-bottom: 1px solid var(--band-line); vertical-align: middle; }
.price-table td.num, .price-table th.num { text-align: right; font-family: var(--font-mono); font-variant-numeric: tabular-nums; white-space: nowrap; }
.price-table .sku { display: block; font-family: var(--font-mono); font-size: 0.75rem; color: var(--band-muted); }
.table-scroll { overflow-x: auto; }
.add-mini { background: transparent; border: 1px solid var(--band-line); color: var(--band-ink); border-radius: var(--radius); min-width: 44px; min-height: 36px; cursor: pointer; font-weight: 600; }
.add-mini:hover { border-color: var(--signal); }
.add-mini[aria-pressed="true"] { background: var(--signal); color: #07111E; border-color: var(--signal); }
/* Phone: each price row becomes name on top, then dealer, MSRP and the add button on one line. */
@media (max-width: 560px) {
  .price-table thead { display: none; }
  .price-table, .price-table tbody { display: block; }
  .price-table tr { display: grid; grid-template-columns: auto auto minmax(0, 1fr); gap: 0.35rem 1.25rem; align-items: center; padding: 0.85rem 0; border-bottom: 1px solid var(--band-line); }
  .price-table td { padding: 0; border: 0; }
  .price-table td:first-child { grid-column: 1 / -1; }
  .price-table td.num { text-align: left; }
  .price-table td.num:last-child { justify-self: end; }
  .price-table td:nth-child(2)::before, .price-table td:nth-child(3)::before { display: block; font-size: 0.66rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--band-muted); }
  .price-table td:nth-child(2)::before { content: 'Dealer'; }
  .price-table td:nth-child(3)::before { content: 'MSRP'; }
}
.diagram { background: rgba(255, 255, 255, 0.03); border: 1px solid var(--band-line); border-radius: var(--radius); padding: 1.5rem; }
.diagram svg { width: 100%; height: auto; display: block; }
.diagram figcaption { font-family: var(--font-mono); font-size: 0.75rem; color: var(--band-muted); margin-top: 1rem; display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.cell { fill: rgba(0, 245, 212, 0.08); stroke: rgba(0, 245, 212, 0.45); stroke-width: 1.2; }
.cell-num { fill: var(--band-muted); font-family: var(--font-mono); font-size: 11px; }
@media (prefers-reduced-motion: no-preference) {
  .cell { animation: inflate 8s infinite; animation-delay: calc(var(--i) * 0.4s); }
}
@keyframes inflate {
  0%, 2% { fill: rgba(0, 245, 212, 0.08); }
  6%, 55% { fill: rgba(0, 245, 212, 0.55); }
  70%, 100% { fill: rgba(0, 245, 212, 0.08); }
}
.amd .note { font-size: 0.82rem; color: var(--band-muted); margin-top: 1rem; }
@media (max-width: 960px) { .amd .wrap { grid-template-columns: minmax(0, 1fr); } }
@media (max-width: 520px) { .spec-list { grid-template-columns: 1fr; } }

/* Catalogue */
.catalog { padding-block: 4rem; }
.section-head { display: flex; justify-content: space-between; align-items: end; gap: 1.5rem; flex-wrap: wrap; margin-bottom: 1.75rem; }
.section-head h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); }
.section-head p { color: var(--muted); max-width: 60ch; margin-top: 0.5rem; }
.cat-layout { display: grid; grid-template-columns: 240px minmax(0, 1fr); gap: 2.5rem; align-items: start; }
.rail { position: sticky; top: 88px; display: flex; flex-direction: column; gap: 2px; }
.rail button { display: flex; justify-content: space-between; gap: 0.75rem; text-align: left; background: transparent; border: 0; border-radius: var(--radius); padding: 0.6rem 0.75rem; cursor: pointer; font-size: 0.93rem; color: var(--muted); min-height: 40px; }
.rail button:hover { background: var(--accent-tint); color: var(--ink); }
.rail button[aria-pressed="true"] { background: var(--ink); color: var(--bg); }
.rail button span.mono { font-size: 0.8rem; opacity: 0.8; }
.toolbar { display: flex; gap: 0.75rem; flex-wrap: wrap; margin-bottom: 1rem; }
.toolbar label { position: absolute; left: -999px; }
.toolbar input, .toolbar select { font: inherit; min-height: 46px; padding: 0.6rem 0.85rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); color: var(--ink); }
.toolbar input { flex: 1 1 260px; min-width: 0; }
.toolbar select { display: none; }
.result-meta { font-size: 0.85rem; color: var(--muted); margin-bottom: 0.75rem; }
.group-title { font-family: var(--font-display); font-size: 1.15rem; margin: 2rem 0 0.25rem; display: flex; align-items: baseline; gap: 0.6rem; }
.group-title:first-child { margin-top: 0; }
.group-title small { font-family: var(--font-mono); font-size: 0.78rem; color: var(--muted); font-weight: 400; }
.group-blurb { color: var(--muted); font-size: 0.9rem; margin-bottom: 0.75rem; }
.more { margin-top: 0.75rem; background: transparent; border: 1px solid var(--line); border-radius: var(--radius); color: var(--ink); font: inherit; font-size: 0.88rem; font-weight: 600; padding: 0.55rem 0.9rem; min-height: 44px; cursor: pointer; }
.more:hover { border-color: var(--accent); }
.rows { border-top: 1px solid var(--line); }
.row { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1.3fr) 128px 112px; gap: 1.25rem; padding: 1rem 0; border-bottom: 1px solid var(--line); align-items: start; }
.row h3 { font-size: 1rem; font-family: var(--font-body); font-weight: 650; letter-spacing: 0; line-height: 1.35; }
.row .sku { font-family: var(--font-mono); font-size: 0.75rem; color: var(--muted); margin-top: 0.15rem; }
.row .summary { font-size: 0.9rem; color: var(--muted); margin-top: 0.35rem; }
.row .badge { display: inline-block; font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.06em; padding: 0.05rem 0.4rem; border-radius: 3px; background: var(--accent-tint); color: var(--accent); margin-left: 0.4rem; vertical-align: 0.15em; }
.row ul { list-style: none; padding: 0; margin: 0; font-size: 0.86rem; display: flex; flex-direction: column; gap: 0.15rem; }
.row .opts { font-size: 0.82rem; color: var(--muted); margin-top: 0.35rem; }
.row .pick { display: flex; flex-direction: column; gap: 0.3rem; margin-top: 0.6rem; font-size: 0.82rem; color: var(--muted); }
.row .pick select { font: inherit; font-size: 0.86rem; color: var(--ink); background: var(--surface); min-height: 44px; max-width: 100%; padding: 0.4rem 0.6rem; border: 1px solid var(--line); border-radius: var(--radius); cursor: pointer; }
.row .pick select:hover { border-color: var(--ink); }
.row .price small { font-family: var(--font-body); font-size: 0.72rem; font-weight: 400; color: var(--muted); }
.row .price { text-align: right; font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
.row .price b { display: block; font-size: 1rem; }
.row .price span { display: block; font-size: 0.74rem; color: var(--muted); }
.row .price em { font-style: normal; font-size: 0.82rem; color: var(--muted); font-family: var(--font-body); }
.row .act { display: flex; justify-content: flex-end; }
.add { min-height: 44px; padding: 0.5rem 0.8rem; border-radius: var(--radius); border: 1px solid var(--line); background: var(--surface); cursor: pointer; font-weight: 600; font-size: 0.86rem; white-space: nowrap; }
.add:hover { border-color: var(--ink); }
.add[aria-pressed="true"] { background: var(--accent); border-color: var(--accent); color: #FFFFFF; }
@media (prefers-color-scheme: dark) { .add[aria-pressed="true"] { color: #07111E; } }
.empty { padding: 2rem 0; color: var(--muted); }
@media (max-width: 960px) {
  .cat-layout { grid-template-columns: minmax(0, 1fr); }
  .rail { display: none; }
  .toolbar select { display: block; flex: 1 1 200px; }
  .row { grid-template-columns: minmax(0, 1fr) auto; }
  .row .specs { grid-column: 1 / -1; grid-row: 2; }
  .row .price { grid-column: 2; grid-row: 1; }
  .row .act { grid-column: 1 / -1; justify-content: flex-start; }
}

/* Ordering */
.ordering { padding-block: 4rem; border-top: 1px solid var(--line); }
.terms { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.terms div { padding: 1.25rem; border-right: 1px solid var(--line); }
.terms div:last-child { border-right: 0; }
.terms h3 { font-size: 1rem; margin-bottom: 0.4rem; }
.terms p { font-size: 0.9rem; color: var(--muted); }
@media (max-width: 860px) { .terms { grid-template-columns: minmax(0, 1fr); } .terms div { border-right: 0; border-bottom: 1px solid var(--line); } .terms div:last-child { border-bottom: 0; } }

footer.site { background: var(--band); color: var(--band-muted); padding-block: 2.5rem; font-size: 0.86rem; }
footer.site .wrap { display: flex; justify-content: space-between; gap: 2rem; flex-wrap: wrap; }
footer.site strong { color: var(--band-ink); display: block; margin-bottom: 0.3rem; }
footer.site a { color: var(--band-ink); text-underline-offset: 3px; }
footer.site .legal-nav { margin-top: 2rem; padding-top: 1.25rem; border-top: 1px solid var(--band-line); align-items: baseline; }
footer.site .legal-nav nav { display: flex; flex-wrap: wrap; gap: 0.25rem 1.25rem; }
footer.site .legal-nav nav a { display: inline-flex; align-items: center; min-height: 32px; }
footer.site .legal-nav p { margin: 0; }

/* Legal pages */
.legal-page { padding-block: 3rem 4rem; }
.legal-page .wrap { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 3rem; align-items: start; }
.legal-side { position: sticky; top: 96px; display: flex; flex-direction: column; gap: 0.15rem; font-size: 0.88rem; }
.legal-side a { color: var(--muted); text-decoration: none; padding: 0.45rem 0.6rem; border-left: 2px solid var(--line); }
.legal-side a:hover { color: var(--ink); border-left-color: var(--muted); }
.legal-side a[aria-current="page"] { color: var(--ink); font-weight: 600; border-left-color: var(--accent); }
.legal-doc { max-width: 72ch; }
.legal-doc .draft { background: var(--flag); border-radius: var(--radius); padding: 0.75rem 1rem; font-size: 0.88rem; margin-bottom: 1.5rem; }
.legal-doc h1 { font-size: clamp(1.8rem, 3vw, 2.4rem); margin-bottom: 0.5rem; }
.legal-doc .doc-meta { font-family: var(--font-mono); font-size: 0.78rem; color: var(--muted); margin-bottom: 2rem; }
.legal-doc h2 { font-size: 1.25rem; margin: 2.25rem 0 0.6rem; padding-top: 1.25rem; border-top: 1px solid var(--line); }
.legal-doc h3 { font-size: 1rem; margin: 1.5rem 0 0.4rem; }
.legal-doc p, .legal-doc li { color: var(--ink); }
.legal-doc p { margin: 0 0 0.9rem; }
.legal-doc ul, .legal-doc ol { margin: 0 0 1rem; padding-left: 1.3rem; display: grid; gap: 0.35rem; }
.legal-doc a { color: var(--accent-ink); text-underline-offset: 3px; overflow-wrap: anywhere; }
.legal-doc .table-scroll { overflow-x: auto; margin: 0 0 1.25rem; border: 1px solid var(--line); border-radius: var(--radius); }
.legal-doc table { border-collapse: collapse; width: 100%; font-size: 0.88rem; min-width: 560px; }
.legal-doc th, .legal-doc td { text-align: left; vertical-align: top; padding: 0.6rem 0.75rem; border-bottom: 1px solid var(--line); }
.legal-doc th { font-family: var(--font-mono); font-size: 0.72rem; font-weight: 500; letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); background: var(--surface); }
.legal-doc tr:last-child td { border-bottom: 0; }
.legal-doc .ph { background: var(--flag); padding: 0 0.2em; border-radius: 3px; }
@media (max-width: 860px) { .legal-page .wrap { grid-template-columns: minmax(0, 1fr); gap: 1.5rem; } .legal-side { position: static; flex-direction: row; flex-wrap: wrap; } .legal-side a { border-left: 0; border-bottom: 2px solid var(--line); } .legal-side a[aria-current="page"] { border-bottom-color: var(--accent); } }

/* Quote drawer */
.drawer { position: fixed; inset: 0; z-index: 40; display: flex; justify-content: flex-end; background: rgba(7, 17, 30, 0.45); }
.drawer[hidden] { display: none; }
.panel { width: min(520px, 100%); height: 100%; background: var(--surface); display: flex; flex-direction: column; box-shadow: -20px 0 40px rgba(0, 0, 0, 0.2); padding-top: env(safe-area-inset-top, 0px); padding-bottom: env(safe-area-inset-bottom, 0px); }
.panel-head { display: flex; justify-content: space-between; align-items: center; padding: 1rem 1.25rem; border-bottom: 1px solid var(--line); }
.panel-head h2 { font-size: 1.2rem; }
.close { background: transparent; border: 1px solid var(--line); border-radius: var(--radius); min-width: 44px; min-height: 44px; cursor: pointer; font-size: 1.2rem; }
.panel-body { overflow-y: auto; padding: 1rem 1.25rem 1.5rem; flex: 1; }
.qitem { display: grid; grid-template-columns: minmax(0, 1fr) auto auto; gap: 0.6rem; align-items: center; padding: 0.7rem 0; border-bottom: 1px solid var(--line); font-size: 0.9rem; }
.qitem .sku { font-family: var(--font-mono); font-size: 0.72rem; color: var(--muted); display: block; }
.qitem input { width: 76px; min-height: 40px; font: inherit; font-family: var(--font-mono); padding: 0.3rem 0.5rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg); color: var(--ink); }
.qitem .rm { background: transparent; border: 0; color: var(--muted); cursor: pointer; min-width: 40px; min-height: 40px; text-decoration: underline; font-size: 0.8rem; }
.qtotal { display: flex; justify-content: space-between; padding: 0.9rem 0; font-size: 0.9rem; }
.qtotal .mono { font-weight: 600; }
.form { display: grid; grid-template-columns: 1fr 1fr; gap: 0.85rem; margin-top: 1rem; }
.form .full { grid-column: 1 / -1; }
.form label { display: flex; flex-direction: column; gap: 0.3rem; font-size: 0.85rem; font-weight: 600; }
.form input, .form select, .form textarea { font: inherit; font-weight: 400; padding: 0.6rem 0.7rem; min-height: 44px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg); color: var(--ink); }
.form textarea { min-height: 84px; resize: vertical; }
.form .err { color: #B42318; font-size: 0.8rem; font-weight: 500; }
.form .fine { margin: 0; font-size: 0.8rem; color: var(--muted); }
.form .fine a { color: inherit; text-underline-offset: 2px; }
.form .hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
@media (prefers-color-scheme: dark) { .form .err { color: #FDA29B; } }
.status { margin-top: 1rem; padding: 0.85rem 1rem; border-radius: var(--radius); font-size: 0.9rem; }
.status.ok { background: var(--accent-tint); }
.status.bad { background: var(--flag); }
@media (max-width: 520px) { .form { grid-template-columns: 1fr; } }