:root {
  --accent: #14924f;
  --accent-deep: #0e6e3b;
  --accent-soft: #e1f5e9;
  --overdue: #d6422e;
  --bg: #f5f7f6;
  --card: #ffffff;
  --text: #0f1712;
  --muted: #5b6760;
  --hairline: rgba(15, 23, 18, 0.09);
  --on-accent: #ffffff;
}
@media (prefers-color-scheme: dark) {
  :root {
    --accent: #42d07e;
    --accent-deep: #1b3528;
    --accent-soft: #1b3528;
    --overdue: #ff6b57;
    --bg: #0d0f0e;
    --card: #1b1e1c;
    --text: #eef3f0;
    --muted: #9aa69f;
    --hairline: rgba(255, 255, 255, 0.09);
    --on-accent: #06210f;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.55 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3 { font-family: ui-rounded, "SF Pro Rounded", -apple-system, BlinkMacSystemFont, sans-serif; line-height: 1.15; margin: 0; }
a { color: var(--accent); }
img { max-width: 100%; height: auto; display: block; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 20px; }

/* Header */
.bar { position: sticky; top: 0; z-index: 10; backdrop-filter: saturate(1.6) blur(16px); -webkit-backdrop-filter: saturate(1.6) blur(16px); background: color-mix(in srgb, var(--bg) 78%, transparent); border-bottom: 1px solid var(--hairline); }
.bar .wrap { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 19px; color: var(--text); text-decoration: none; }
.brand img { width: 32px; height: 32px; border-radius: 8px; }
.bar nav { display: flex; gap: 20px; font-size: 15px; }
.bar nav a { color: var(--muted); text-decoration: none; }
.bar nav a:hover, .bar nav a[aria-current] { color: var(--text); }

/* Hero */
.hero { text-align: center; padding: 72px 0 40px; background: radial-gradient(1200px 500px at 50% -120px, color-mix(in srgb, var(--accent) 22%, transparent), transparent 70%); }
.hero .icon { width: 128px; height: 128px; margin: 0 auto 28px; border-radius: 29px; box-shadow: 0 18px 40px color-mix(in srgb, var(--accent) 35%, transparent); }
.hero h1 { font-size: clamp(40px, 7vw, 68px); letter-spacing: -0.02em; }
.hero p.lede { font-size: clamp(18px, 2.4vw, 22px); color: var(--muted); max-width: 620px; margin: 18px auto 30px; }
.cta { display: inline-flex; align-items: center; gap: 10px; padding: 14px 26px; border-radius: 999px; background: var(--accent); color: var(--on-accent); font-weight: 600; text-decoration: none; }
.cta.soon { cursor: default; }
.note { font-size: 14px; color: var(--muted); margin-top: 14px; }

/* Screens */
.screens { display: flex; gap: 22px; justify-content: center; padding: 36px 0 20px; overflow-x: auto; scroll-snap-type: x mandatory; }
.screens img { width: 250px; flex: none; border-radius: 34px; border: 1px solid var(--hairline); box-shadow: 0 20px 50px rgba(0,0,0,.14); scroll-snap-align: center; }
@media (max-width: 700px) { .screens { justify-content: flex-start; padding-left: 20px; padding-right: 20px; } .screens img { width: 70vw; } }

/* Features */
section { padding: 56px 0; }
section > .wrap > h2 { font-size: clamp(28px, 4vw, 38px); text-align: center; margin-bottom: 36px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 18px; }
.card { background: var(--card); border: 1px solid var(--hairline); border-radius: 22px; padding: 26px; }
.card .glyph { width: 44px; height: 44px; border-radius: 12px; background: var(--accent-soft); color: var(--accent); display: grid; place-items: center; font-size: 22px; margin-bottom: 14px; }
.card h3 { font-size: 20px; margin-bottom: 6px; }
.card p { margin: 0; color: var(--muted); font-size: 16px; }

/* Prose pages */
.page { max-width: 720px; margin: 0 auto; padding: 56px 20px 40px; }
.page h1 { font-size: clamp(34px, 5vw, 46px); margin-bottom: 12px; }
.page .sub { color: var(--muted); font-size: 19px; margin: 0 0 36px; }
.page h2 { font-size: 24px; margin: 40px 0 10px; }
.page h3 { font-size: 18px; margin: 0 0 6px; }
.contact { background: var(--card); border: 1px solid var(--hairline); border-radius: 22px; padding: 26px; margin: 0 0 16px; }
.contact p { margin: 6px 0 18px; color: var(--muted); }
details { background: var(--card); border: 1px solid var(--hairline); border-radius: 16px; padding: 16px 20px; margin: 10px 0; }
details summary { font-weight: 600; cursor: pointer; list-style: none; display: flex; justify-content: space-between; gap: 12px; }
details summary::-webkit-details-marker { display: none; }
details summary::after { content: "+"; color: var(--muted); font-weight: 400; font-size: 20px; line-height: 1; }
details[open] summary::after { content: "–"; }
details p, details ul { color: var(--muted); margin: 10px 0 0; }
.updated { color: var(--muted); font-size: 14px; }

footer { border-top: 1px solid var(--hairline); padding: 28px 0 40px; color: var(--muted); font-size: 14px; }
footer .wrap { display: flex; flex-wrap: wrap; gap: 12px 24px; justify-content: space-between; }
footer nav { display: flex; gap: 20px; }
footer a { color: var(--muted); text-decoration: none; }
footer a:hover { color: var(--text); }