:root {
  --ink: #071014;
  --ink-2: #0b171c;
  --panel: #101f25;
  --line: rgba(202, 224, 230, .16);
  --paper: #eaf1ef;
  --muted: #9aadb1;
  --cyan: #4fd9ee;
  --amber: #ff9d45;
  --max: 1240px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--paper); background: var(--ink); font-family: "Manrope", sans-serif; font-size: 16px; line-height: 1.6; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
.skip-link { position: fixed; left: 1rem; top: -4rem; z-index: 99; background: var(--paper); color: var(--ink); padding: .7rem 1rem; }
.skip-link:focus { top: 1rem; }

.site-header { height: 86px; padding: 0 clamp(1.25rem, 4vw, 4rem); display: flex; align-items: center; justify-content: space-between; gap: 2rem; position: absolute; inset: 0 0 auto; z-index: 10; border-bottom: 1px solid rgba(255,255,255,.12); }
.brand { display: grid; grid-template-columns: auto auto; column-gap: .75rem; align-items: center; font-weight: 800; letter-spacing: -.045em; line-height: 1; }
.brand-mark { width: 42px; grid-row: 1 / 3; }
.brand-mark path { fill: none; stroke: var(--cyan); stroke-width: 2; vector-effect: non-scaling-stroke; }
.brand span { font-size: 1.08rem; }
.brand i { color: var(--cyan); font-style: normal; font-weight: 500; }
.brand small { font: 500 .62rem/1 "DM Mono", monospace; color: var(--muted); letter-spacing: .34em; margin-top: .35rem; }
.site-nav { display: flex; gap: clamp(1.2rem, 2.8vw, 2.5rem); margin-left: auto; }
.site-nav a { font-size: .82rem; font-weight: 600; color: #c7d4d5; }
.site-nav a:hover, .site-nav a:focus-visible { color: var(--cyan); }
.header-cta { border: 1px solid rgba(255,255,255,.35); padding: .7rem 1rem; font-size: .78rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; }
.header-cta:hover { border-color: var(--cyan); color: var(--cyan); }
.menu-toggle { display: none; color: var(--paper); background: transparent; border: 1px solid var(--line); padding: .5rem .7rem; }

.hero { min-height: 780px; height: min(92vh, 960px); position: relative; overflow: hidden; display: flex; align-items: center; }
.hero-image { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center; }
.hero-shade { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(3,10,13,.96) 0%, rgba(3,10,13,.77) 38%, rgba(3,10,13,.08) 72%), linear-gradient(0deg, rgba(3,10,13,.72) 0%, transparent 35%); }
.hero-grid { position: absolute; inset: 0; opacity: .16; background-image: linear-gradient(rgba(79,217,238,.24) 1px, transparent 1px), linear-gradient(90deg, rgba(79,217,238,.24) 1px, transparent 1px); background-size: 90px 90px; mask-image: linear-gradient(90deg, #000, transparent 66%); }
.hero-content { width: min(90%, var(--max)); margin: 76px auto 0; position: relative; z-index: 2; }
.eyebrow { display: flex; align-items: center; gap: .75rem; color: var(--cyan); font: 500 .69rem/1.2 "DM Mono", monospace; text-transform: uppercase; letter-spacing: .16em; }
.eyebrow span { width: 30px; height: 1px; background: currentColor; }
.eyebrow.amber { color: var(--amber); }
h1, h2 { margin: 0; line-height: .96; letter-spacing: -.065em; }
h1 { max-width: 820px; margin-top: 1.35rem; font-size: clamp(4rem, 8.3vw, 8rem); }
h1 em { font-style: normal; font-weight: 400; color: #91a8aa; }
.hero-copy { max-width: 620px; margin: 2rem 0; color: #c3cfd0; font-size: clamp(1rem, 1.5vw, 1.2rem); }
.hero-actions { display: flex; align-items: center; gap: 1.6rem; }
.button { min-height: 48px; display: inline-flex; align-items: center; justify-content: center; gap: 1rem; padding: .75rem 1.15rem; border: 0; cursor: pointer; font-weight: 700; }
.button.primary { background: var(--cyan); color: #061014; }
.button.primary:hover:not(:disabled) { background: #83e8f5; }
.button.primary:disabled { opacity: .35; cursor: not-allowed; }
.text-button { background: transparent; color: var(--paper); padding-inline: 0; }
.text-button:hover { color: var(--cyan); }
.signal-strip { position: absolute; inset: auto 4vw 2rem; z-index: 2; display: grid; grid-template-columns: auto 1fr auto; gap: 1rem; align-items: center; color: #81989c; font: 500 .65rem/1 "DM Mono", monospace; }
.signal-strip svg { height: 30px; width: 100%; }
.signal-strip path { fill: none; stroke: rgba(79,217,238,.55); stroke-width: 1; vector-effect: non-scaling-stroke; }

.section { width: min(90%, var(--max)); margin: 0 auto; padding: clamp(6rem, 10vw, 10rem) 0; }
.section-heading { display: grid; grid-template-columns: 1.25fr .75fr; gap: 4rem; align-items: end; margin-bottom: 5rem; }
.section-heading .eyebrow { grid-column: 1 / -1; }
h2 { font-size: clamp(3rem, 6vw, 6rem); }
.section-heading > p:last-child { color: var(--muted); max-width: 420px; }
.category-list { border-top: 1px solid var(--line); }
.category-item { min-height: 148px; display: grid; grid-template-columns: 72px minmax(280px, 1fr) 180px 30px; gap: 2rem; align-items: center; border-bottom: 1px solid var(--line); transition: padding .25s, background .25s; }
.category-item:hover { padding-inline: 1.2rem; background: rgba(79,217,238,.035); }
.category-number, .category-meta { color: #668088; font: 500 .68rem/1.3 "DM Mono", monospace; letter-spacing: .1em; }
.category-item h3 { margin: 0 0 .35rem; font-size: clamp(1.35rem, 2.7vw, 2.15rem); letter-spacing: -.035em; }
.category-item p { margin: 0; color: var(--muted); }
.category-item .arrow { font-size: 1.5rem; color: var(--cyan); }

.builder-section { padding: clamp(6rem, 10vw, 10rem) max(5vw, calc((100% - var(--max))/2)); display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(3rem, 8vw, 8rem); background: var(--ink-2); border-block: 1px solid var(--line); }
.builder-intro { position: sticky; top: 2rem; align-self: start; }
.builder-intro h2 { margin: 1.5rem 0 2rem; font-size: clamp(3rem, 5vw, 5.2rem); }
.builder-intro > p:last-child { color: var(--muted); max-width: 460px; }
.builder-panel { align-self: start; padding: clamp(1.5rem, 4vw, 3rem); background: #0d1a1f; border: 1px solid var(--line); box-shadow: 18px 18px 0 rgba(0,0,0,.16); }
.builder-progress { height: 2px; background: #24363b; }
.builder-progress span { display: block; width: 50%; height: 100%; background: var(--amber); transition: width .3s; }
.step-label { color: var(--amber); font: 500 .67rem/1 "DM Mono", monospace; letter-spacing: .12em; margin: 1.5rem 0 2.5rem; }
fieldset { padding: 0; margin: 0; border: 0; }
legend { margin-bottom: 1.5rem; font-size: clamp(1.5rem, 3vw, 2.4rem); font-weight: 700; letter-spacing: -.04em; }
fieldset label { display: block; cursor: pointer; border-top: 1px solid var(--line); }
fieldset label:last-child { border-bottom: 1px solid var(--line); }
fieldset input { position: absolute; opacity: 0; }
fieldset label > span { min-height: 82px; display: flex; flex-direction: column; justify-content: center; padding: 1rem 2.8rem 1rem 1rem; position: relative; }
fieldset label > span::after { content: ""; position: absolute; right: 1rem; width: 13px; height: 13px; border: 1px solid #587077; border-radius: 50%; }
fieldset input:checked + span { color: var(--amber); background: rgba(255,157,69,.045); }
fieldset input:checked + span::after { background: var(--amber); border-color: var(--amber); box-shadow: inset 0 0 0 3px #0d1a1f; }
fieldset input:focus-visible + span { outline: 2px solid var(--cyan); outline-offset: -2px; }
fieldset b { font-size: 1rem; }
fieldset small { color: var(--muted); font-size: .84rem; margin-top: .15rem; }
.builder-controls { display: flex; justify-content: space-between; margin-top: 2rem; }
.builder-controls .primary { margin-left: auto; }
.builder-result h3 { font-size: 2.4rem; line-height: 1.05; letter-spacing: -.05em; margin: 0 0 1rem; }
.builder-result p { color: var(--muted); }
.result-kicker { color: var(--amber) !important; font: 500 .67rem/1 "DM Mono", monospace; text-transform: uppercase; letter-spacing: .12em; }
.result-list { display: grid; gap: .5rem; margin: 2rem 0; }
.result-list span { border-top: 1px solid var(--line); padding: .7rem 0; color: #cfdbdc; }

.section-heading.compact { grid-template-columns: 1fr; }
.principles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.principles article { background: var(--ink); padding: clamp(1.5rem, 3vw, 2.5rem); min-height: 265px; }
.principles span { color: var(--cyan); font: 500 .67rem "DM Mono", monospace; }
.principles h3 { margin: 4rem 0 .7rem; font-size: 1.45rem; }
.principles p { color: var(--muted); margin: 0; }

.launch-section { padding: clamp(7rem, 13vw, 13rem) 5vw; text-align: center; background: #09151a; position: relative; overflow: hidden; }
.launch-section::before { content: ""; position: absolute; width: 60vw; aspect-ratio: 1; border: 1px solid rgba(79,217,238,.12); border-radius: 50%; left: 50%; top: 50%; transform: translate(-50%,-50%); box-shadow: 0 0 0 8vw rgba(79,217,238,.018), 0 0 0 16vw rgba(79,217,238,.012); }
.launch-section > * { position: relative; }
.launch-section .eyebrow { justify-content: center; }
.launch-section h2 { margin: 1.5rem 0 2rem; font-size: clamp(4rem, 9vw, 9rem); }
.launch-section > p:not(.eyebrow) { max-width: 650px; margin: 0 auto 3rem; color: var(--muted); font-size: 1.1rem; }
.launch-section strong { color: var(--paper); }
.handle-row { display: flex; flex-wrap: wrap; justify-content: center; gap: 1rem; }
.handle-row span { padding: .55rem .8rem; border: 1px solid var(--line); color: #8ea1a5; font: 500 .65rem "DM Mono", monospace; letter-spacing: .1em; }

footer { min-height: 130px; width: min(90%, var(--max)); margin: 0 auto; display: grid; grid-template-columns: 1fr auto auto; gap: 3rem; align-items: center; color: #72878c; font: 500 .64rem/1.5 "DM Mono", monospace; text-transform: uppercase; letter-spacing: .06em; }
.footer-brand { display: inline-grid; justify-self: start; }

/* Catalog and product pages */
.inner-header { position: relative; background: rgba(7,16,20,.96); }
.inner-header .brand { min-width: 225px; }
.page-main { min-height: 75vh; }
.page-hero { width: min(90%, var(--max)); margin: 0 auto; padding: clamp(5rem, 9vw, 9rem) 0 3.5rem; border-bottom: 1px solid var(--line); }
.page-hero h1 { font-size: clamp(3.4rem, 7vw, 7rem); margin-top: 1.25rem; }
.page-hero h1 em { color: var(--cyan); }
.page-hero-copy { max-width: 680px; color: var(--muted); font-size: 1.05rem; margin: 1.8rem 0 0; }
.catalog-toolbar { width: min(90%, var(--max)); margin: 0 auto; padding: 1.3rem 0; display: flex; gap: 1rem; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); }
.inventory-count { margin: 0; color: var(--muted); font: 500 .72rem/1 "DM Mono", monospace; text-transform: uppercase; letter-spacing: .1em; }
.inventory-notice { width: min(90%, var(--max)); margin: 1rem auto 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; border: 1px solid var(--line); background: var(--line); }
.inventory-notice div { padding: 1rem 1.2rem; display: grid; gap: .25rem; background: var(--ink-2); }
.inventory-notice strong { color: var(--cyan); font: 500 .75rem/1.3 "DM Mono", monospace; text-transform: uppercase; letter-spacing: .08em; }
.inventory-notice span { color: var(--muted); font-size: .875rem; }
.filters { display: flex; flex-wrap: wrap; gap: .55rem; }
.filter-button { border: 1px solid var(--line); background: transparent; color: #aebfc1; padding: .55rem .8rem; cursor: pointer; font: 500 .69rem/1 "DM Mono", monospace; text-transform: uppercase; letter-spacing: .07em; }
.filter-button[aria-pressed="true"], .filter-button:hover { border-color: var(--cyan); color: var(--cyan); }
.catalog-grid { width: min(90%, var(--max)); margin: 0 auto; padding: 2.2rem 0 clamp(6rem, 10vw, 10rem); display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); }
.product-card { min-width: 0; display: flex; flex-direction: column; background: var(--ink); transition: background .2s, transform .2s; }
.product-card:hover { background: #0c191e; transform: translateY(-3px); }
.product-visual { aspect-ratio: 4 / 3; padding: 1.25rem; display: flex; flex-direction: column; justify-content: space-between; position: relative; overflow: hidden; background: #0d1b20; border-bottom: 1px solid var(--line); }
.product-visual img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; padding: 1.1rem; background: #f1f0eb; }
.product-visual.has-image::before, .product-visual.has-image::after { display: none; }
.product-visual.has-image .product-make, .product-visual.has-image .photo-note { padding: .35rem .5rem; width: fit-content; color: var(--paper); background: rgba(4,12,15,.78); backdrop-filter: blur(5px); }
.product-visual::before { content: ""; position: absolute; inset: 18% 8%; border: 1px solid rgba(79,217,238,.15); background: repeating-linear-gradient(90deg, transparent 0 9%, rgba(79,217,238,.06) 9% 9.5%); }
.product-visual::after { content: ""; position: absolute; width: 44%; height: 1px; background: var(--amber); top: 50%; right: 12%; box-shadow: 0 -12px 0 rgba(255,157,69,.35), 0 12px 0 rgba(79,217,238,.35); }
.product-make, .photo-note { position: relative; z-index: 1; font: 500 .65rem/1.3 "DM Mono", monospace; text-transform: uppercase; letter-spacing: .11em; }
.product-make { color: var(--cyan); }
.photo-note { color: #60767b; align-self: flex-end; }
.stock-badge { align-self: flex-start; position: relative; z-index: 1; padding: .45rem .6rem; color: #c5ced0; background: rgba(7,16,20,.86); border: 1px solid #43545a; font: 500 .64rem/1 "DM Mono", monospace; text-transform: uppercase; letter-spacing: .08em; }
.product-info { min-height: 210px; padding: 1.35rem; display: flex; flex-direction: column; }
.product-info h2 { font-size: 1.25rem; line-height: 1.18; letter-spacing: -.035em; margin: .35rem 0 .7rem; }
.product-meta { color: var(--muted); font-size: .79rem; margin: 0; }
.product-description { margin: .85rem 0 0; color: #b7c1c3; font-size: .88rem; line-height: 1.55; }
.product-price { margin: auto 0 0; padding-top: 1.3rem; display: grid; gap: .35rem; color: var(--paper); font: 500 .95rem/1 "DM Mono", monospace; }
.product-price small, .price-label { color: var(--muted); font: 500 .65rem/1.3 "DM Mono", monospace; text-transform: uppercase; letter-spacing: .08em; }
.empty-state { width: min(90%, var(--max)); margin: 4rem auto 8rem; color: var(--muted); }
.empty-state h2 { color: var(--paper); margin: .8rem 0; font-size: clamp(1.6rem, 3vw, 2.6rem); }
.empty-state a, .image-credit a { color: var(--cyan); text-decoration: underline; text-underline-offset: 3px; }
.product-detail { width: min(90%, var(--max)); margin: 0 auto; padding: clamp(4rem, 8vw, 8rem) 0; display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2.5rem, 7vw, 7rem); }
.detail-visual { min-height: 520px; }
.detail-copy .eyebrow { margin-bottom: 1.4rem; }
.detail-copy h1 { font-size: clamp(2.8rem, 5.5vw, 5.6rem); }
.detail-copy .product-price { margin: 1.7rem 0; font-size: 1.15rem; }
.detail-copy .price-label { margin: 1.8rem 0 -.9rem; }
.estimate-note { margin: -1rem 0 1.8rem; color: var(--muted); font-size: .82rem; }
.detail-description { color: #c7cecf; font-size: 1rem; line-height: 1.7; margin: 1.4rem 0; max-width: 42rem; }
.image-credit { margin: 1.1rem 0 0; color: var(--muted); font: 500 .68rem/1.5 "DM Mono", monospace; text-transform: uppercase; letter-spacing: .06em; }
.detail-data { margin: 2rem 0; border-top: 1px solid var(--line); }
.detail-data div { display: flex; justify-content: space-between; gap: 2rem; padding: .8rem 0; border-bottom: 1px solid var(--line); }
.detail-data dt { color: var(--muted); }
.detail-data dd { margin: 0; text-align: right; }
.condition-report, .shipping-box { margin: 2.2rem 0; padding: 1.4rem; border: 1px solid var(--line); background: var(--ink-2); }
.condition-report h2, .shipping-box h2 { margin: .8rem 0 1.2rem; font-size: 1.7rem; letter-spacing: -.04em; }
.condition-report ul { padding: 0; margin: 0; list-style: none; }
.condition-report li { display: flex; justify-content: space-between; gap: 1rem; padding: .7rem 0; border-top: 1px solid var(--line); }
.condition-report li span, .shipping-box p:last-child, .interest-note { color: var(--muted); font-size: .84rem; }
.condition-report li strong { font-size: .84rem; text-align: right; }
.shipping-box p:last-child { margin-bottom: 0; }
.out-button { width: 100%; background: #243238; color: #829499; cursor: not-allowed; }
.interest-button { width: 100%; margin-top: .65rem; border: 1px solid var(--cyan); color: var(--cyan); background: transparent; }
.interest-button:hover { color: var(--ink); background: var(--cyan); }
.interest-note { margin: .7rem 0 0; }
.back-link { display: inline-flex; margin-top: 1.3rem; color: var(--muted); font-size: .84rem; }
.back-link:hover { color: var(--cyan); }
.catalog-error { padding: 8rem 5vw; text-align: center; }

/* Shopify catalog */
.shopify-toolbar { margin-bottom: 0; }
.shopify-sync-note { width: min(90%, var(--max)); margin: 1.25rem auto 0; padding: 1rem 1.2rem; display: grid; grid-template-columns: auto 1fr; gap: 1rem 1.5rem; align-items: center; border: 1px solid var(--line); background: var(--ink-2); }
.shopify-sync-note strong { color: var(--cyan); font: 500 .75rem/1.3 "DM Mono", monospace; text-transform: uppercase; letter-spacing: .08em; }
.shopify-sync-note span { color: var(--muted); font-size: .875rem; }
.shopify-catalog { width: min(90%, var(--max)); min-height: 340px; margin: 0 auto; padding: 2.5rem 0 clamp(6rem, 10vw, 10rem); }
.shopify-loading { margin: 0; padding: 4rem 1rem; color: var(--muted); text-align: center; font: 500 .78rem/1.5 "DM Mono", monospace; text-transform: uppercase; letter-spacing: .08em; border: 1px solid var(--line); }
.shopify-empty { padding: 4rem 1rem; text-align: center; border: 1px solid var(--line); }
.shopify-empty h2 { font-size: clamp(1.7rem, 3vw, 2.8rem); }
.shopify-empty p { color: var(--muted); }
.shopify-empty a { color: var(--cyan); text-decoration: underline; text-underline-offset: 3px; }

/* Private Shopify checkout handoff test */
.checkout-test-main { min-height: calc(100vh - 216px); display: grid; place-items: center; padding: clamp(5rem, 10vw, 9rem) 5vw; background: radial-gradient(circle at 75% 20%, rgba(79,217,238,.08), transparent 32%), var(--ink); }
.checkout-test-panel { width: min(100%, 760px); padding: clamp(1.5rem, 5vw, 4rem); border: 1px solid var(--line); background: var(--ink-2); box-shadow: 18px 18px 0 rgba(0,0,0,.16); }
.checkout-test-panel h1 { margin: 1.3rem 0 2rem; font-size: clamp(3.2rem, 8vw, 6.5rem); }
.checkout-test-panel h1 em { color: var(--cyan); }
.checkout-test-copy { max-width: 650px; color: #c3cfd0; font-size: 1.05rem; }
.checkout-test-status { display: grid; gap: .35rem; margin: 2rem 0; padding: 1.1rem 1.2rem; border: 1px solid var(--line); background: rgba(7,16,20,.55); }
.checkout-test-status strong { color: var(--amber); font: 500 .72rem/1.3 "DM Mono", monospace; text-transform: uppercase; letter-spacing: .09em; }
.checkout-test-status span, .checkout-test-note { color: var(--muted); font-size: .86rem; }
.checkout-test-button { width: 100%; }
.checkout-test-note { margin: .8rem 0 0; }

@media (max-width: 900px) {
  .site-header { height: 74px; }
  .header-cta { display: none; }
  .menu-toggle { display: block; margin-left: auto; }
  .site-nav { display: none; position: absolute; left: 1rem; right: 1rem; top: 68px; padding: 1rem; background: #0c181d; border: 1px solid var(--line); flex-direction: column; }
  .site-nav.open { display: flex; }
  .hero { min-height: 720px; height: 100svh; }
  .hero-image { object-position: 63% center; }
  .hero-shade { background: linear-gradient(90deg, rgba(3,10,13,.95) 0%, rgba(3,10,13,.75) 58%, rgba(3,10,13,.25)), linear-gradient(0deg, rgba(3,10,13,.8), transparent 60%); }
  .section-heading { grid-template-columns: 1fr; gap: 1.5rem; }
  .category-item { grid-template-columns: 42px 1fr 24px; gap: 1rem; padding-block: 1.5rem; }
  .category-meta { display: none; }
  .builder-section { grid-template-columns: 1fr; }
  .builder-intro { position: static; }
  .principles { grid-template-columns: 1fr; }
  footer { grid-template-columns: 1fr; gap: 1rem; padding: 2rem 0; }
  .catalog-grid { grid-template-columns: repeat(2, 1fr); }
  .product-detail { grid-template-columns: 1fr; }
  .detail-visual { min-height: 390px; }
}

@media (max-width: 560px) {
  .brand-mark { width: 34px; }
  .brand span { font-size: .92rem; }
  .hero-content { width: calc(100% - 2.5rem); }
  h1 { font-size: clamp(3.5rem, 17vw, 5rem); }
  .hero-copy { font-size: .96rem; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: .6rem; }
  .section, .builder-section { padding-block: 5.5rem; }
  .category-item { grid-template-columns: 32px 1fr; }
  .category-item .arrow { display: none; }
  .builder-panel { padding: 1.2rem; box-shadow: 8px 8px 0 rgba(0,0,0,.16); }
  .catalog-toolbar { align-items: flex-start; flex-direction: column; }
  .catalog-grid { grid-template-columns: 1fr; }
  .inventory-notice { grid-template-columns: 1fr; }
  .shopify-sync-note { grid-template-columns: 1fr; }
  .product-info { min-height: 185px; }
  .checkout-test-panel { box-shadow: 8px 8px 0 rgba(0,0,0,.16); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}