/* PlateO site, "Arc" look. Self-hosted fonts only: no third parties, no cookies, no analytics. */

/* Fonts: SIL Open Font Licence 1.1, see fonts/README.txt */
@font-face {
  font-family: "Bricolage Grotesque";
  src: url("fonts/BricolageGrotesque-Variable.ttf") format("truetype");
  font-weight: 200 800;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Inter";
  src: url("fonts/Inter-Variable.ttf") format("truetype");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "IBM Plex Mono";
  src: url("fonts/IBMPlexMono-SemiBold.ttf") format("truetype");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

/* Tokens: dark by default */
:root {
  color-scheme: dark light;
  --bg: #0B0C0E;
  --surface: #15181C;
  --field: #21262B;
  --line: #262B31;
  --line-strong: #6B747C;
  --ink: #F2F4F5;
  --ink-2: #9BA4AC;
  --accent: #3BE8E0;
  --on-accent: #061214;
  --accent-ink: #5CEFE8;
  --focus: #3BE8E0;
  --error: #F26B63;
  --ok: #5FD98F;
  --glow: rgba(59, 232, 224, .16);
  --head-bg: rgba(11, 12, 14, .86);
  --bezel: #1D2126;
  --shadow: 0 30px 80px rgba(0, 0, 0, .55);

  --display: "Bricolage Grotesque", ui-sans-serif, system-ui, sans-serif;
  --body: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --radius: 22px;
  --max: 1120px;
}
@media (prefers-color-scheme: light) {
  :root {
    --bg: #F3F6F7;
    --surface: #FFFFFF;
    --field: #E6EBEE;
    --line: #D9DFE3;
    --line-strong: #7A848B;
    --ink: #0E1114;
    --ink-2: #4C555B;
    --accent: #0DA69F;
    --on-accent: #061214;
    --accent-ink: #047570;
    --focus: #047570;
    --error: #C8362D;
    --ok: #1E7F4A;
    --glow: rgba(13, 166, 159, .14);
    --head-bg: rgba(243, 246, 247, .88);
    --bezel: #0E1114;
    --shadow: 0 30px 70px rgba(14, 17, 20, .22);
  }
}

/* Base */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 400 1.0625rem/1.6 var(--body);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent-ink); text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; border-radius: 6px; }
::selection { background: var(--accent); color: var(--on-accent); }

.skip {
  position: absolute; left: 16px; top: -100px; z-index: 10;
  background: var(--accent); color: var(--on-accent);
  padding: 10px 16px; border-radius: 10px; font-weight: 700; text-decoration: none;
}
.skip:focus { top: 12px; }

.visually-hidden {
  position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 16px; }
@media (min-width: 720px) { .wrap { padding: 0 32px; } }

/* Type */
h1, h2, h3 { font-family: var(--display); margin: 0; letter-spacing: -.025em; line-height: 1.05; }
h1 { font-size: clamp(2.75rem, 9vw, 5.25rem); font-weight: 800; }
h2 { font-size: clamp(2rem, 5vw, 3.25rem); font-weight: 800; }
h3 { font-size: 1.375rem; font-weight: 700; letter-spacing: -.01em; line-height: 1.2; }
.accent { color: var(--accent-ink); }
.lead { font-size: clamp(1.125rem, 2.4vw, 1.3125rem); color: var(--ink-2); max-width: 34ch; margin: 22px 0 0; }
.muted { color: var(--ink-2); }
.label {
  font-family: var(--mono); font-weight: 600; font-size: .8125rem;
  letter-spacing: .08em; text-transform: uppercase; color: var(--ink-2); margin: 0 0 14px;
}

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 48px; padding: 12px 22px; border-radius: 999px; border: 0;
  background: var(--accent); color: var(--on-accent);
  font: 700 1rem/1.2 var(--body); text-decoration: none; cursor: pointer;
  transition: transform .15s ease, filter .15s ease;
}
.btn:hover { filter: brightness(1.06); text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn[disabled] { opacity: .65; cursor: progress; }
.btn-sm { min-height: 44px; padding: 10px 18px; font-size: .9375rem; }
.btn-ghost { background: transparent; color: var(--ink); box-shadow: inset 0 0 0 1.5px var(--line-strong); }

/* Header */
.site-head {
  position: sticky; top: 0; z-index: 5;
  background: var(--head-bg);
  backdrop-filter: saturate(160%) blur(14px); -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid var(--line);
}
.site-head .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 68px; }

/* Wordmark: "Plate" in Bricolage ExtraBold + the plate-O mark */
.brand {
  display: inline-flex; align-items: center; gap: .06em;
  color: var(--ink); text-decoration: none;
  font: 800 1.75rem/1 var(--display); letter-spacing: -.03em;
}
.brand svg { width: .8em; height: .8em; color: var(--accent); flex: none; position: relative; top: .01em; }
.brand-sm { font-size: 1.375rem; }

/* Hero */
.hero { position: relative; padding: 48px 0 72px; overflow: hidden; }
.hero::before {
  content: ""; position: absolute; inset: auto -20% -10% auto; width: 720px; height: 720px;
  background: radial-gradient(closest-side, var(--glow), transparent); pointer-events: none;
}
.hero .wrap { position: relative; display: grid; gap: 48px; align-items: center; }
@media (min-width: 900px) {
  .hero { padding: 88px 0 112px; }
  .hero .wrap { grid-template-columns: 1.1fr .9fr; gap: 64px; }
}
.pill {
  display: inline-flex; align-items: center; gap: 10px; margin: 0 0 22px;
  padding: 7px 14px; border-radius: 999px; border: 1px solid var(--line-strong);
  background: var(--surface);
  font-family: var(--mono); font-weight: 600; font-size: .78rem; letter-spacing: .08em; text-transform: uppercase;
  color: var(--ink);
}
.pill::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--accent); flex: none; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.fine { font-size: .9375rem; color: var(--ink-2); margin: 16px 0 0; }

/* Phone mockup: the image already carries its own bezel and shadow (900 x 1899, transparent), so it is shown big enough for the screen text to read. */
.phone { margin: 0 auto; width: min(380px, 90vw); }
.phone img { width: 100%; height: auto; aspect-ratio: 900 / 1899; border-radius: 0; }
@media (min-width: 900px) { .phone { width: 440px; } }

/* Sections */
.section { padding: 72px 0; border-top: 1px solid var(--line); }
@media (min-width: 900px) { .section { padding: 104px 0; } }
.section-head { max-width: 40rem; margin-bottom: 40px; }

.features { display: grid; gap: 48px; align-items: center; }
@media (min-width: 900px) { .features { grid-template-columns: 1fr 340px; gap: 72px; } }
.feature-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 16px; }
.feature {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 24px;
}
.feature .num { font-family: var(--mono); font-weight: 600; font-size: .8125rem; letter-spacing: .08em; color: var(--accent-ink); margin: 0 0 10px; }
.feature p:last-child { margin: 10px 0 0; color: var(--ink-2); }

/* Privacy strip */
.strip { background: var(--surface); border-block: 1px solid var(--line); padding: 56px 0; }
.strip p.big {
  font: 700 clamp(1.5rem, 4vw, 2.25rem)/1.2 var(--display); letter-spacing: -.02em;
  margin: 0; max-width: 28ch;
}
.strip .more { margin: 18px 0 0; }

/* Closing CTA */
.closing { text-align: center; padding: 88px 0; }
.closing p { color: var(--ink-2); max-width: 36rem; margin: 18px auto 0; }
.closing .cta-row { justify-content: center; }

/* Footer */
.site-foot { border-top: 1px solid var(--line); padding: 40px 0 48px; color: var(--ink-2); font-size: .9375rem; }
.site-foot .wrap { display: grid; gap: 20px; }
@media (min-width: 720px) { .site-foot .wrap { grid-template-columns: auto 1fr; align-items: center; } }
.site-foot nav ul { display: flex; flex-wrap: wrap; gap: 6px 22px; list-style: none; margin: 0; padding: 0; }
@media (min-width: 720px) { .site-foot nav ul { justify-content: flex-end; } }
.site-foot nav a { color: var(--ink); display: inline-block; padding: 6px 0; }
.site-foot .copy { margin: 0; grid-column: 1 / -1; }

/* Documents (privacy, terms) */
.doc { max-width: 46rem; padding-top: 48px; padding-bottom: 72px; }
.doc h1 { font-size: clamp(2.25rem, 7vw, 3.5rem); }
.doc h2 { font-size: clamp(1.5rem, 4vw, 1.875rem); font-weight: 700; margin: 48px 0 14px; scroll-margin-top: 88px; }
.doc .meta { font-family: var(--mono); font-weight: 600; font-size: .8125rem; letter-spacing: .04em; color: var(--ink-2); margin: 16px 0 32px; }
.doc ul { padding-left: 1.25rem; }
.doc li { margin: 0 0 12px; }
.doc li::marker { color: var(--accent-ink); }
.box { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 4px 22px; margin: 24px 0; }
.back { margin-top: 48px; }

/* Forms (beta sign-up) */
.form-wrap { max-width: 36rem; padding-top: 48px; padding-bottom: 80px; }
.form-wrap h1 { font-size: clamp(2.25rem, 7vw, 3.5rem); }
.form-wrap .lead { max-width: none; }
.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 24px 20px; margin-top: 32px;
}
@media (min-width: 600px) { .card { padding: 32px; } }
.field { margin: 0 0 22px; }
.field > label, .field legend { display: block; font-weight: 600; margin: 0 0 8px; }
.opt { font-weight: 400; color: var(--ink-2); }
.hint { display: block; font-size: .875rem; color: var(--ink-2); margin: -4px 0 8px; }
input[type="text"], input[type="email"], select, textarea {
  width: 100%; min-height: 48px; padding: 12px 14px;
  font: 400 1rem/1.4 var(--body); color: var(--ink);
  background: var(--field); border: 1.5px solid var(--line-strong); border-radius: 12px;
}
textarea { min-height: 120px; resize: vertical; }
select {
  appearance: none; -webkit-appearance: none; padding-right: 44px;
  background-image: linear-gradient(45deg, transparent 50%, var(--ink-2) 50%), linear-gradient(135deg, var(--ink-2) 50%, transparent 50%);
  background-position: calc(100% - 22px) 50%, calc(100% - 16px) 50%;
  background-size: 6px 6px; background-repeat: no-repeat;
}
input:focus-visible, select:focus-visible, textarea:focus-visible { outline-offset: 1px; border-color: var(--focus); }
[aria-invalid="true"] { border-color: var(--error) !important; }
.error { display: block; color: var(--error); font-size: .9375rem; font-weight: 600; margin: 8px 0 0; }
.error:empty { display: none; }
.count { display: block; text-align: right; font-size: .8125rem; color: var(--ink-2); margin-top: 6px; font-variant-numeric: tabular-nums; }

.check { display: grid; grid-template-columns: 24px 1fr; gap: 12px; align-items: start; }
.check input { width: 22px; height: 22px; margin: 2px 0 0; accent-color: var(--focus); }
.check label { font-weight: 400; margin: 0; }

.hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }

.status { margin: 18px 0 0; }
.status:empty { display: none; }
.status.is-error {
  padding: 14px 16px; border-radius: 12px; border: 1.5px solid var(--error);
  background: var(--field); color: var(--ink);
}
.success { text-align: left; }
.success h2 { font-size: clamp(1.75rem, 5vw, 2.25rem); margin: 0 0 12px; }
.success h2:focus { outline: none; }
.success-mark { width: 52px; height: 52px; color: var(--accent); margin-bottom: 18px; }
.alt { color: var(--ink-2); font-size: .9375rem; margin: 22px 0 0; }
.noscript { padding: 16px; border-radius: 12px; border: 1.5px solid var(--line-strong); background: var(--surface); margin-top: 24px; }

/* 404 */
.notfound { padding: 96px 0 120px; }
.notfound p { color: var(--ink-2); max-width: 32rem; }

/* Reduce Motion */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}

/* Windows high contrast */
@media (forced-colors: active) {
  .btn { border: 2px solid ButtonText; }
  .brand svg { color: CanvasText; }
}