:root {
  --bg: #0e1524;
  --surface: #121a2b;
  --surface-raised: #182338;
  --surface-soft: #1e2b44;
  --line: #24334a;
  --line-strong: #3b4d69;
  --text: #eef3fb;
  --text-secondary: #b9c7db;
  --text-muted: #8b9bb4;
  --accent: #63d3e9;
  --accent-hover: #96e6f6;
  --accent-soft: #10303c;
  --ok: #7fdca4;
  --warn: #f0b36a;
  --font-display: "Fraunces", "Iowan Old Style", "Palatino Linotype", Georgia, serif;
  --font-reading: "Source Serif 4", "Iowan Old Style", Georgia, serif;
  --font-ui: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  --radius: 14px;
  --max: 1080px;
  color-scheme: dark;
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg: #f6f2ea;
    --surface: #fffdf8;
    --surface-raised: #fffdf8;
    --surface-soft: #ebe5d9;
    --line: #ddd6c8;
    --line-strong: #bdb3a0;
    --text: #1a2333;
    --text-secondary: #46556d;
    --text-muted: #6c7990;
    --accent: #0d6e85;
    --accent-hover: #0a5568;
    --accent-soft: #dff0f4;
    --ok: #1f7a4a;
    --warn: #9a5b12;
    color-scheme: light;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-ui);
  font-size: 17px;
  line-height: 1.6;
}
a { color: var(--accent); text-underline-offset: 3px; }
a:hover { color: var(--accent-hover); }
img { max-width: 100%; display: block; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 20px; }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 16px; top: 16px; background: var(--surface); padding: 8px 12px; border-radius: 8px; z-index: 10; }

/* Header */
.site-header { border-bottom: 1px solid var(--line); background: color-mix(in srgb, var(--bg) 88%, transparent); position: sticky; top: 0; z-index: 5; backdrop-filter: blur(10px); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 16px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font-family: var(--font-display); font-size: 22px; font-weight: 600; letter-spacing: -0.01em; }
.brand img { width: 30px; height: 30px; border-radius: 7px; }
.nav { display: flex; gap: 22px; align-items: center; }
.nav a { color: var(--text-secondary); text-decoration: none; font-size: 15px; }
.nav a:hover { color: var(--text); }
.nav .btn { color: var(--bg); }
@media (max-width: 640px) { .nav a:not(.btn) { display: none; } }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; background: var(--accent); color: var(--bg); border: 0; border-radius: 999px; padding: 11px 20px; font: 600 15px/1 var(--font-ui); text-decoration: none; cursor: pointer; white-space: nowrap; }
.btn:hover { background: var(--accent-hover); color: var(--bg); }
.btn.ghost { background: transparent; color: var(--text); border: 1px solid var(--line-strong); }
.btn.ghost:hover { border-color: var(--accent); color: var(--text); }

/* Hero */
.hero { padding-top: 88px; padding-bottom: 64px; }
.eyebrow { display: inline-block; font-family: var(--font-mono); font-size: 12.5px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent); background: var(--accent-soft); border: 1px solid color-mix(in srgb, var(--accent) 35%, transparent); padding: 5px 10px; border-radius: 999px; margin-bottom: 22px; }
h1, h2, h3 { font-family: var(--font-display); letter-spacing: -0.015em; line-height: 1.12; margin: 0; font-weight: 600; }
.hero h1 { font-size: clamp(40px, 7vw, 72px); max-width: 14ch; }
.hero .lede { font-family: var(--font-reading); font-size: clamp(19px, 2.3vw, 22px); color: var(--text-secondary); max-width: 40ch; margin: 22px 0 32px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.hero-note { color: var(--text-muted); font-size: 14px; margin-top: 16px; }

/* Sections */
section { padding: 64px 0; border-top: 1px solid var(--line); }
.section-head { max-width: 640px; margin-bottom: 36px; }
.section-head h2 { font-size: clamp(28px, 4vw, 40px); }
.section-head p { color: var(--text-secondary); font-family: var(--font-reading); font-size: 19px; margin: 12px 0 0; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.card h3 { font-size: 21px; margin-bottom: 8px; }
.card p { margin: 0; color: var(--text-secondary); font-size: 16px; }
.card .num { font-family: var(--font-mono); font-size: 12.5px; color: var(--accent); margin-bottom: 14px; display: block; letter-spacing: 0.06em; }

.keys { display: inline-flex; gap: 6px; vertical-align: middle; }
kbd { font-family: var(--font-mono); font-size: 13px; background: var(--surface-soft); border: 1px solid var(--line-strong); border-bottom-width: 2px; border-radius: 6px; padding: 2px 8px; color: var(--text); }

.promise { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 16px; }
.promise li { list-style: none; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 22px; color: var(--text-secondary); font-size: 16px; }
.promise li strong { display: block; color: var(--text); font-size: 17px; margin-bottom: 4px; }
.promise { padding: 0; margin: 0; }

/* Waitlist */
.waitlist { background: var(--surface); border: 1px solid var(--line); border-radius: 20px; padding: clamp(24px, 5vw, 48px); display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: center; }
@media (max-width: 820px) { .waitlist { grid-template-columns: 1fr; } }
.waitlist h2 { font-size: clamp(28px, 4vw, 38px); }
.waitlist p { color: var(--text-secondary); margin: 12px 0 0; }
form.join { display: grid; gap: 12px; }
form.join label { font-size: 14px; color: var(--text-secondary); display: block; }
form.join label input { margin-top: 6px; }
form.join input { font: 16px var(--font-ui); color: var(--text); background: var(--bg); border: 1px solid var(--line-strong); border-radius: 10px; padding: 12px 14px; width: 100%; }
form.join input:focus { outline: 2px solid var(--accent); outline-offset: 1px; border-color: transparent; }
form.join .hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
form.join .btn { justify-self: start; padding: 13px 24px; }
.form-status { min-height: 1.5em; font-size: 15px; margin: 0; }
.form-status.ok { color: var(--ok); }
.form-status.err { color: var(--warn); }
.fine { font-size: 13px; color: var(--text-muted); margin: 0; }

/* FAQ */
details { border-bottom: 1px solid var(--line); padding: 18px 0; }
details summary { cursor: pointer; font-family: var(--font-display); font-size: 20px; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
details summary::-webkit-details-marker { display: none; }
details summary::after { content: "+"; color: var(--accent); font-family: var(--font-mono); }
details[open] summary::after { content: "–"; }
details p { color: var(--text-secondary); margin: 10px 0 0; max-width: 70ch; }

/* Footer */
.site-footer { border-top: 1px solid var(--line); padding: 36px 0 48px; color: var(--text-muted); font-size: 14px; }
.site-footer .wrap { display: flex; flex-wrap: wrap; gap: 16px 28px; justify-content: space-between; align-items: center; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 18px; }
.site-footer a { color: var(--text-secondary); text-decoration: none; }
.site-footer a:hover { color: var(--text); }

/* Legal pages */
.legal { padding: 56px 0 80px; }
.legal .wrap { max-width: 760px; }
.legal h1 { font-size: clamp(34px, 5vw, 48px); margin-bottom: 8px; }
.legal .updated { color: var(--text-muted); font-size: 14px; margin: 0 0 32px; }
.legal h2 { font-size: 24px; margin: 40px 0 12px; }
.legal h3 { font-size: 19px; margin: 24px 0 8px; }
.legal p, .legal li { font-family: var(--font-reading); font-size: 18px; color: var(--text-secondary); }
.legal li { margin: 6px 0; }
.legal strong { color: var(--text); }
.legal .summary { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 24px; margin-bottom: 8px; }
.legal .summary ul { margin: 8px 0 0; padding-left: 20px; }
.legal table { width: 100%; border-collapse: collapse; font-size: 15.5px; margin: 12px 0; }
.legal th, .legal td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; color: var(--text-secondary); }
.legal th { color: var(--text); font-weight: 600; }
.table-scroll { overflow-x: auto; }