/* LycheeOS homepage. Colors are tokens; dark mode redefines them. */
:root {
  --canvas: #fbf7eb;
  --surface: #fffdf7;
  --sunken: #f4eedf;
  --line: #e2dac6;
  --line-strong: #c9bfa8;
  --text: #24231e;
  --text-muted: #6b675b;
  --text-subtle: #8f8878;
  --accent: #514a22;
  --accent-hover: #3f3a1b;
  --on-accent: #fffdf7;
  --accent-soft: #efeacf;
  --brand: #c2304a;
  --brand-soft: #fbe7ea;
  --ready: #2f7d4f;
  --ready-soft: #e1f1e6;
  --pending: #7a5412;
  --pending-soft: #fbefd3;
  --radius: 12px;
  --radius-lg: 18px;
  --max: 1120px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, "Helvetica Neue", Arial, sans-serif;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --canvas: #16150f;
    --surface: #1f1d16;
    --sunken: #26241b;
    --line: #34312599;
    --line-strong: #4a4635;
    --text: #f1ecdd;
    --text-muted: #b9b29f;
    --text-subtle: #8e8875;
    --accent: #d9cf8f;
    --accent-hover: #e8dfa6;
    --on-accent: #1a1810;
    --accent-soft: #2e2b1c;
    --brand: #f0768a;
    --brand-soft: #3a1d23;
    --ready: #7fd19c;
    --ready-soft: #1b3324;
    --pending: #e8c27a;
    --pending-soft: #372c15;
    color-scheme: dark;
  }
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--canvas);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  -webkit-text-size-adjust: 100%;
}

img, svg { display: block; max-width: 100%; }
h1, h2, h3, p, ul, ol { margin: 0; }
a { color: inherit; }

.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 20px; }

.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 16px; z-index: 10; padding: 8px 12px; background: var(--surface); border-radius: 8px; }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 5; background: color-mix(in srgb, var(--canvas) 88%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.site-header .wrap { display: flex; align-items: center; gap: 24px; min-height: 64px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; font-size: 18px; text-decoration: none; letter-spacing: -0.01em; }
.brand svg { width: 28px; height: 28px; }
.nav { display: flex; gap: 20px; margin-left: auto; font-size: 14px; }
.nav a { color: var(--text-muted); text-decoration: none; }
.nav a:hover { color: var(--text); }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 44px; padding: 0 20px; border: 1px solid var(--line-strong); border-radius: 999px; background: var(--surface); color: var(--text); font-size: 15px; font-weight: 600; text-decoration: none; white-space: nowrap; }
.btn:hover { border-color: var(--text-subtle); }
.btn--primary { border-color: transparent; background: var(--accent); color: var(--on-accent); }
.btn--primary:hover { background: var(--accent-hover); }
.btn--sm { min-height: 36px; padding: 0 16px; font-size: 14px; }

/* Hero */
.hero { padding: 72px 0 64px; }
.hero .wrap { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr); gap: 56px; align-items: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; padding: 4px 12px; border-radius: 999px; background: var(--brand-soft); color: var(--brand); font-size: 13px; font-weight: 600; }
.hero h1 { margin-top: 18px; font-size: clamp(34px, 5vw, 52px); line-height: 1.1; letter-spacing: -0.025em; }
.hero__lead { margin-top: 20px; max-width: 34em; color: var(--text-muted); font-size: 18px; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.hero__note { margin-top: 16px; color: var(--text-subtle); font-size: 14px; }

/* Order flow card (hero visual) */
.flow { padding: 20px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface); }
.flow__head { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; padding-bottom: 14px; border-bottom: 1px solid var(--line); }
.flow__title { font-weight: 650; font-size: 15px; }
.flow__meta { color: var(--text-subtle); font-size: 13px; font-variant-numeric: tabular-nums; }
.flow ol { list-style: none; padding: 0; margin-top: 6px; }
.flow li { display: grid; grid-template-columns: 24px 1fr auto; gap: 12px; align-items: center; padding: 12px 0; border-bottom: 1px solid var(--line); font-size: 14px; }
.flow li:last-child { border-bottom: 0; }
.flow__dot { width: 24px; height: 24px; border-radius: 50%; border: 2px solid var(--line-strong); }
.flow li.is-done .flow__dot { border-color: var(--ready); background: var(--ready); box-shadow: inset 0 0 0 4px var(--surface); }
.flow li.is-now .flow__dot { border-color: var(--accent); background: var(--accent-soft); }
.flow__step { font-weight: 600; }
.flow__step small { display: block; color: var(--text-subtle); font-weight: 400; font-size: 13px; }
.flow__state { color: var(--text-subtle); font-size: 13px; }
.flow li.is-done .flow__state { color: var(--ready); }
.flow li.is-now .flow__state { color: var(--accent); font-weight: 600; }

/* Sections */
.section { padding: 72px 0; border-top: 1px solid var(--line); }
.section--sunken { background: var(--sunken); }
.section__head { max-width: 640px; margin-bottom: 36px; }
.section__kicker { color: var(--brand); font-size: 13px; font-weight: 700; }
.section h2 { margin-top: 8px; font-size: clamp(26px, 3.4vw, 34px); line-height: 1.2; letter-spacing: -0.02em; }
.section__lead { margin-top: 12px; color: var(--text-muted); font-size: 17px; }

/* Feature columns */
.features { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.feature-group { padding: 28px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface); }
.feature-group h3 { font-size: 20px; letter-spacing: -0.01em; }
.feature-group > p { margin-top: 6px; color: var(--text-muted); font-size: 15px; }
.feature-list { list-style: none; padding: 0; margin-top: 20px; display: grid; gap: 18px; }
.feature-list li { padding-left: 18px; border-left: 2px solid var(--accent-soft); }
.feature-list strong { display: block; font-size: 15px; }
.feature-list span { color: var(--text-muted); font-size: 15px; }

/* Platforms */
.platforms { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.platform { display: flex; flex-direction: column; gap: 10px; padding: 24px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface); }
.platform h3 { font-size: 20px; }
.platform p { color: var(--text-muted); font-size: 15px; }
.badge { align-self: flex-start; padding: 2px 10px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.badge--ready { background: var(--ready-soft); color: var(--ready); }
.badge--pending { background: var(--pending-soft); color: var(--pending); }

/* Steps */
.steps { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; counter-reset: step; }
.steps li { counter-increment: step; }
.steps li::before { content: counter(step); display: inline-grid; place-items: center; width: 36px; height: 36px; border-radius: 50%; background: var(--accent); color: var(--on-accent); font-weight: 700; }
.steps h3 { margin-top: 14px; font-size: 18px; }
.steps p { margin-top: 6px; color: var(--text-muted); font-size: 15px; }

/* Trust */
.trust { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px 32px; }
.trust li { display: grid; grid-template-columns: 22px 1fr; gap: 12px; font-size: 15px; }
.trust svg { width: 22px; height: 22px; margin-top: 1px; color: var(--ready); }
.trust strong { display: block; }
.trust span { color: var(--text-muted); }

/* Contact */
.contact { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 24px; padding: 40px; border-radius: var(--radius-lg); background: var(--accent); color: var(--on-accent); }
.contact h2 { margin: 0; font-size: clamp(24px, 3vw, 30px); }
.contact p { margin-top: 8px; opacity: 0.85; }
.contact .btn { border-color: transparent; background: var(--on-accent); color: var(--accent); }

/* Footer */
.site-footer { padding: 40px 0 48px; border-top: 1px solid var(--line); color: var(--text-muted); font-size: 14px; }
.site-footer .wrap { display: grid; gap: 16px; }
.footer__row { display: flex; flex-wrap: wrap; gap: 8px 24px; align-items: center; }
.footer__row a { text-decoration: none; }
.footer__row a:hover { color: var(--text); text-decoration: underline; }
.footer__legal { color: var(--text-subtle); font-size: 13px; max-width: 760px; }

/* Legal pages */
.legal { padding: 56px 0 72px; }
.legal .wrap { max-width: 760px; }
.legal h1 { font-size: clamp(30px, 4vw, 40px); letter-spacing: -0.02em; }
.legal__updated { margin-top: 8px; color: var(--text-subtle); font-size: 14px; }
.legal h2 { margin-top: 36px; font-size: 20px; }
.legal h3 { margin-top: 20px; font-size: 16px; }
.legal p, .legal ul { margin-top: 12px; color: var(--text-muted); }
.legal ul { padding-left: 22px; }
.legal li + li { margin-top: 6px; }
.legal strong { color: var(--text); }

/* 404 */
.notfound { padding: 120px 0; text-align: center; }
.notfound h1 { font-size: 40px; }
.notfound p { margin-top: 12px; color: var(--text-muted); }
.notfound .btn { margin-top: 24px; }

@media (max-width: 900px) {
  .hero .wrap { grid-template-columns: 1fr; gap: 40px; }
  .features, .platforms, .steps, .trust { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .nav { display: none; }
  .site-header .btn { margin-left: auto; }
  .hero { padding: 48px 0; }
  .section { padding: 56px 0; }
  .feature-group, .platform { padding: 22px; }
  .contact { padding: 28px; }
}