/* Cachi — tokens lifted from apps/cachi_mobile_v2/lib/theme/app_colors.dart
   so the site and the app read as the same product. */
:root {
  --bg: #f9f9ff;
  --surface: #ffffff;
  --surface-low: #f1f3ff;
  --surface-high: #e1e8fd;
  --ink: #141b2b;
  --ink-soft: #464555;
  --ink-mute: #585f6c;
  --outline: #c7c4d8;
  --brand: #3525cd;
  --primary: #4f46e5;
  --accent: #f59e0b;
  --success: #10b981;
  --radius: 16px;
  --measure: 68ch;
  --shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 12px 32px rgba(53, 37, 205, 0.12);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0e1220;
    --surface: #161b2e;
    --surface-low: #1b2137;
    --surface-high: #232a44;
    --ink: #eef0f8;
    --ink-soft: #c2c6d6;
    --ink-mute: #9aa0b4;
    --outline: #333a55;
    --brand: #a9a2ff;
    --primary: #7c74f0;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.45);
  }
}

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--primary); text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover { color: var(--brand); }

.wrap {
  max-width: 1040px;
  margin: 0 auto;
  padding-inline: 20px;
}

/* ------------------------------------------------------------- site chrome */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--outline);
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-block: 12px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--brand);
  text-decoration: none;
  letter-spacing: -0.02em;
}
.brand img { width: 32px; height: 32px; border-radius: 8px; display: block; }
.site-header nav { display: flex; gap: 20px; font-size: 0.92rem; flex-wrap: wrap; }
.site-header nav a { color: var(--ink-mute); text-decoration: none; }
.site-header nav a:hover { color: var(--brand); }

.site-footer {
  border-top: 1px solid var(--outline);
  margin-top: 72px;
  padding-block: 32px 48px;
  color: var(--ink-mute);
  font-size: 0.88rem;
}
.site-footer .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
  align-items: center;
  justify-content: space-between;
}
.site-footer nav { display: flex; gap: 20px; flex-wrap: wrap; }

/* ------------------------------------------------------------------- hero */
.hero { padding-block: 72px 56px; text-align: center; }
.hero h1 {
  font-size: clamp(2.1rem, 6vw, 3.4rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin: 0 0 18px;
}
.hero h1 em { font-style: normal; color: var(--brand); }
.hero p.lede {
  font-size: clamp(1.05rem, 2.4vw, 1.25rem);
  color: var(--ink-soft);
  max-width: 62ch;
  margin: 0 auto 32px;
}
.hero-logo {
  width: 88px; height: 88px;
  border-radius: 22px;
  margin: 0 auto 24px;
  display: block;
  box-shadow: var(--shadow-lg);
}
.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  border-radius: 999px;
  padding: 5px 14px;
  margin-bottom: 20px;
}

.cta-row { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.98rem;
  text-decoration: none;
  border: 1px solid transparent;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.btn-primary { background: var(--primary); color: #fff; box-shadow: var(--shadow-lg); }
.btn-primary:hover { color: #fff; transform: translateY(-1px); }
.btn-ghost { border-color: var(--outline); color: var(--ink); background: var(--surface); }
.btn-ghost:hover { color: var(--brand); border-color: var(--primary); }
.btn[aria-disabled="true"] { opacity: 0.55; pointer-events: none; }

/* --------------------------------------------------------------- features */
section { padding-block: 40px; }
.section-title {
  font-size: clamp(1.5rem, 3.5vw, 2rem);
  letter-spacing: -0.02em;
  margin: 0 0 8px;
}
.section-sub { color: var(--ink-mute); margin: 0 0 32px; max-width: 60ch; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 18px;
}
.card {
  background: var(--surface);
  border: 1px solid var(--outline);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
}
.card h3 { margin: 0 0 8px; font-size: 1.05rem; letter-spacing: -0.01em; }
.card p { margin: 0; color: var(--ink-soft); font-size: 0.94rem; }
.card .icon {
  width: 38px; height: 38px;
  border-radius: 11px;
  display: grid; place-items: center;
  background: var(--surface-high);
  color: var(--brand);
  margin-bottom: 14px;
}
.card .icon svg { width: 20px; height: 20px; }

.stat-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 18px;
  background: var(--surface-low);
  border: 1px solid var(--outline);
  border-radius: var(--radius);
  padding: 28px 24px;
}
.stat { text-align: center; }
.stat b {
  display: block;
  font-size: 1.9rem;
  letter-spacing: -0.03em;
  color: var(--brand);
  line-height: 1.2;
}
.stat span { font-size: 0.86rem; color: var(--ink-mute); }

/* ------------------------------------------------------------ legal pages */
.legal { padding-block: 48px 24px; }
.legal .measure { max-width: var(--measure); }
.legal h1 {
  font-size: clamp(1.8rem, 5vw, 2.5rem);
  letter-spacing: -0.03em;
  margin: 0 0 8px;
}
.legal .updated {
  color: var(--ink-mute);
  font-size: 0.9rem;
  margin: 0 0 32px;
}
.legal h2 {
  font-size: 1.25rem;
  letter-spacing: -0.01em;
  margin: 40px 0 12px;
  padding-top: 16px;
  border-top: 1px solid var(--outline);
}
.legal h3 { font-size: 1rem; margin: 24px 0 8px; }
.legal p, .legal li { color: var(--ink-soft); }
.legal ul, .legal ol { padding-left: 22px; }
.legal li { margin-bottom: 6px; }
.legal strong { color: var(--ink); }

.toc {
  background: var(--surface-low);
  border: 1px solid var(--outline);
  border-radius: var(--radius);
  padding: 20px 24px;
  margin-bottom: 40px;
}
.toc p { margin: 0 0 10px; font-weight: 600; color: var(--ink); font-size: 0.9rem; }
.toc ol { margin: 0; columns: 2; column-gap: 32px; font-size: 0.92rem; }
@media (max-width: 560px) { .toc ol { columns: 1; } }

.callout {
  background: var(--surface-low);
  border-left: 3px solid var(--primary);
  border-radius: 0 12px 12px 0;
  padding: 16px 20px;
  margin: 24px 0;
}
.callout p:last-child { margin-bottom: 0; }
.callout p:first-child { margin-top: 0; }

.table-scroll { overflow-x: auto; margin: 20px 0; }
table {
  border-collapse: collapse;
  width: 100%;
  min-width: 520px;
  font-size: 0.92rem;
}
th, td {
  text-align: left;
  padding: 11px 14px;
  border-bottom: 1px solid var(--outline);
  vertical-align: top;
}
th {
  background: var(--surface-low);
  font-weight: 600;
  color: var(--ink);
  font-size: 0.85rem;
  letter-spacing: 0.01em;
}
td { color: var(--ink-soft); }

.pill {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 2px 9px;
  border-radius: 999px;
  white-space: nowrap;
}
.pill-no { background: color-mix(in srgb, var(--success) 15%, transparent); color: var(--success); }
.pill-yes { background: color-mix(in srgb, var(--accent) 18%, transparent); color: #a86800; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .pill-yes { color: var(--accent); }
}

/* ------------------------------------------------------------------ steps */
.steps { counter-reset: step; list-style: none; padding: 0; margin: 24px 0; }
.steps li {
  counter-increment: step;
  position: relative;
  padding-left: 46px;
  margin-bottom: 20px;
}
.steps li::before {
  content: counter(step);
  position: absolute;
  left: 0; top: 0;
  width: 30px; height: 30px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: grid; place-items: center;
  font-size: 0.88rem;
  font-weight: 700;
}
.steps li strong { display: block; color: var(--ink); margin-bottom: 2px; }