/* Next Retail AI — v4. Layout: one quiet left-aligned column, mono metadata, a single generative field in the hero. */
@font-face { font-family: "Geist"; src: url("/assets/fonts/Geist.woff2") format("woff2"); font-weight: 100 900; font-style: normal; font-display: swap; }
@font-face { font-family: "Geist"; src: url("/assets/fonts/Geist-Italic.woff2") format("woff2"); font-weight: 100 900; font-style: italic; font-display: swap; }
@font-face { font-family: "Geist Mono"; src: url("/assets/fonts/GeistMono.woff2") format("woff2"); font-weight: 100 900; font-display: swap; }

:root {
  --bg: #0b0b0a;
  --ink: #ecebe6;
  --muted: #8d8b84;
  --faint: #55534e;
  --line: #21201e;
  --accent: #ff6a3d;
  --sans: "Geist", ui-sans-serif, -apple-system, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --mono: "Geist Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --col: 760px;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 400 17px/1.6 var(--sans); -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration-color: var(--faint); text-underline-offset: 4px; }
a:hover { color: var(--accent); text-decoration-color: var(--accent); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 2px; }
.wrap { max-width: 1120px; margin: 0 auto; padding-inline: 24px; }
.mono, .label { font-family: var(--mono); font-size: 12px; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
h1, h2, h3 { text-wrap: balance; }

/* Header */
header.site .wrap { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 600; letter-spacing: -.01em; text-decoration: none; white-space: nowrap; }
.brand-mark { width: 16px; height: 16px; display: inline-grid; grid-template-columns: repeat(3, 1fr); gap: 2px; }
.brand-mark i { background: var(--ink); display: block; border-radius: 1px; }
.brand-mark i:nth-child(5) { background: var(--accent); }
nav.main { display: flex; gap: 28px; }
nav.main a { text-decoration: none; font-size: 15px; color: var(--muted); }
nav.main a:hover, nav.main a[aria-current="page"] { color: var(--ink); }

/* Hero */
.hero { position: relative; overflow: hidden; border-bottom: 1px solid var(--line); }
.hero canvas { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.hero .wrap { position: relative; padding-block: 18vh 16vh; }
.hero .label { display: block; margin-bottom: 28px; }
.hero .label b { color: var(--accent); font-weight: 500; }
.hero h1 { font-size: clamp(48px, 8.2vw, 116px); line-height: .95; letter-spacing: -.05em; font-weight: 600; margin: 0 0 32px; max-width: 11ch; }
.hero h1 em { font-style: italic; font-weight: 500; color: var(--accent); }
.hero p { font-size: clamp(18px, 1.8vw, 21px); line-height: 1.5; color: var(--muted); max-width: 40ch; margin: 0; }
.hero p b { color: var(--ink); font-weight: 500; }
.actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 40px; }
.btn { display: inline-flex; align-items: center; gap: 8px; font: 500 15px var(--sans); text-decoration: none; padding: 12px 20px; border-radius: 999px; border: 1px solid var(--faint); color: var(--ink); }
.btn:hover { border-color: var(--accent); color: var(--accent); }
.btn.solid { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.btn.solid:hover { background: var(--accent); border-color: var(--accent); color: var(--bg); }

/* Text sections */
.sec { border-bottom: 1px solid var(--line); }
.sec .wrap { padding-block: 96px; display: grid; grid-template-columns: 240px minmax(0, 1fr); gap: 40px; }
.sec .label { padding-top: 10px; }
.lead { font-size: clamp(26px, 3.2vw, 40px); line-height: 1.15; letter-spacing: -.03em; font-weight: 500; margin: 0; max-width: 24ch; }
.lead span { color: var(--muted); }
.principles { display: grid; gap: 40px; max-width: var(--col); }
.principles p { margin: 0; font-size: clamp(19px, 1.9vw, 23px); line-height: 1.5; color: var(--muted); }
.principles p em { font-style: italic; color: var(--ink); font-weight: 500; }
.list { list-style: none; margin: 0; padding: 0; max-width: var(--col); }
.list li { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.3fr); gap: 24px; padding: 22px 0; border-top: 1px solid var(--line); }
.list li:last-child { border-bottom: 1px solid var(--line); }
.list b { font-weight: 500; font-size: 20px; letter-spacing: -.01em; }
.list span { color: var(--muted); }
.close .wrap { padding-block: 120px; }
.close h2 { font-size: clamp(34px, 5vw, 64px); line-height: 1.02; letter-spacing: -.04em; font-weight: 500; margin: 0 0 36px; max-width: 18ch; }
.close .addr { display: block; margin-top: 20px; font: 14px var(--mono); color: var(--muted); user-select: all; }

/* Product page blocks */
.svc { display: grid; gap: 56px; max-width: var(--col); }
.svc h3 { font-size: 26px; letter-spacing: -.02em; font-weight: 500; margin: 0 0 8px; }
.svc > div > p { color: var(--muted); margin: 0 0 18px; }
.pair { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.pair div { background: var(--bg); padding: 18px 20px; }
.pair .label { display: block; margin-bottom: 8px; }
.pair .label.ai { color: var(--accent); }
.pair p { margin: 0; font-size: 15.5px; }

/* Plain documents (legal, FAQ, contact) */
.doc { padding: 72px 0 96px; }
.doc .wrap { max-width: 760px; }
.doc h1 { font-size: clamp(36px, 5vw, 56px); letter-spacing: -.04em; line-height: 1.02; font-weight: 600; margin: 0 0 10px; }
.doc h2 { font-size: 21px; font-weight: 600; margin: 44px 0 10px; letter-spacing: -.01em; }
.doc h3 { font-size: 18px; margin: 24px 0 6px; }
.doc p, .doc li { color: #cfcdc6; }
.doc ul { padding-left: 22px; }
.doc .meta { color: var(--muted); margin-bottom: 32px; font-family: var(--mono); font-size: 13px; }
.doc .callout { border-left: 2px solid var(--accent); padding: 2px 0 2px 16px; margin: 20px 0; }
.faq dt { font-weight: 600; font-size: 19px; margin-top: 32px; letter-spacing: -.01em; }
.faq dd { margin: 8px 0 0; color: var(--muted); }

/* Footer */
footer.site { padding: 32px 0 48px; font-size: 14px; color: var(--muted); }
footer.site .wrap { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
footer.site nav { display: flex; gap: 20px; flex-wrap: wrap; }
footer.site a { text-decoration: none; }

@media (max-width: 760px) {
  body { font-size: 16px; }
  .wrap { padding-inline: 16px; }
  nav.main { gap: 18px; }
  .hero .wrap { padding-block: 72px 80px; }
  .sec .wrap { grid-template-columns: 1fr; gap: 20px; padding-block: 64px; }
  .list li { grid-template-columns: 1fr; gap: 4px; }
  .pair { grid-template-columns: 1fr; }
  .close .wrap { padding-block: 80px; }
}
@media (prefers-reduced-motion: reduce) { * { scroll-behavior: auto !important; } }

/* v4.1 mobile refinements */
footer.site nav a { display: inline-block; padding-block: 8px; }
footer.site .wrap { align-items: center; }
.doc a[href^="mailto:"], .doc .meta a, .faq a { display: inline-block; padding-block: 2px; }
.notfound .btn { margin-top: 8px; }
@media (max-width: 760px) {
  .hero .wrap { padding-block: 64px 200px; }
  .hero h1 { font-size: clamp(42px, 12.5vw, 64px); margin-bottom: 24px; }
  .hero .label { margin-bottom: 20px; }
  .actions { margin-top: 32px; }
  .actions .btn { flex: 1 1 auto; justify-content: center; min-height: 48px; }
  .lead, .principles p { font-size: 19px; }
  .close h2 { font-size: clamp(30px, 9vw, 44px); }
  .close .btn { min-height: 48px; }
  footer.site .wrap { flex-direction: column; align-items: flex-start; gap: 8px; }
  footer.site nav { gap: 4px 18px; }
  .doc { padding: 48px 0 72px; }
  .doc h1 { font-size: clamp(32px, 10vw, 44px); }
  .faq dt { font-size: 18px; }
}
@media (max-width: 360px) {
  nav.main { gap: 14px; }
  nav.main a { font-size: 14px; }
  .brand { font-size: 15px; }
}
nav.main a { display: inline-block; padding-block: 10px; }
@media (min-width: 761px) and (max-width: 900px) { .hero .wrap { padding-block: 96px 220px; } }