:root {
  --ground: #F7F8FA;
  --surface: #FFFFFF;
  --ink: #0F172A;
  --body: #334155;
  --muted: #5B6577;
  --line: #E3E7ED;
  --line-strong: #D5DBE3;
  --brand: #0B5F98;        /* the app icon's blue */
  --brand-dark: #084876;
  --brand-tint: #E7F0F7;
  --window: #1A99CC;       /* the app's default theme color */
  --code: #0F172A;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --sans: Inter, system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--ground); color: var(--ink); font-family: var(--sans); -webkit-font-smoothing: antialiased; }
a { color: var(--brand); text-decoration: none; }
a:hover { color: var(--brand-dark); text-decoration: underline; }
img { display: block; }

.wrap { max-width: 1200px; margin: 0 auto; padding-left: 32px; padding-right: 32px; }
.mono { font-family: var(--mono); }
.eyebrow { font-family: var(--mono); font-size: 13px; color: var(--brand); margin: 0 0 12px; }
h1, h2, h3 { margin: 0; letter-spacing: -0.015em; }
h2 { font-size: 38px; line-height: 1.15; }

/* Header */
.site-header { background: var(--surface); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 10; }
.nav { min-height: 64px; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px 24px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); font-weight: 700; font-size: 17px; }
.brand:hover { color: var(--ink); text-decoration: none; }
.brand img { width: 30px; height: 30px; }
.nav-links { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 28px; font-size: 14px; }
.nav-links a { color: var(--body); }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 22px; border-radius: 10px; font-weight: 600; font-size: 16px; border: 1px solid transparent; }
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--brand); color: #FFFFFF; }
.btn-primary:hover { background: var(--brand-dark); color: #FFFFFF; }
.btn-secondary { background: var(--surface); color: var(--ink); border-color: var(--line-strong); font-family: var(--mono); font-size: 15px; }
.btn-secondary:hover { color: var(--ink); border-color: var(--muted); }
.nav-links .btn { min-height: 40px; padding: 0 16px; font-size: 14px; background: var(--ink); color: #FFFFFF; }
.nav-links .btn:hover { background: #1E293B; color: #FFFFFF; }

/* Hero */
.hero { padding-top: 88px; padding-bottom: 40px; display: flex; flex-direction: column; align-items: center; text-align: center; gap: 22px; }
.hero .badge { font-family: var(--mono); font-size: 13px; color: var(--brand); background: var(--brand-tint); border: 1px solid #C8DBEA; padding: 6px 12px; border-radius: 999px; }
.hero h1 { font-size: 60px; line-height: 1.06; letter-spacing: -0.02em; max-width: 880px; }
.hero p { margin: 0; font-size: 19px; line-height: 1.6; color: var(--body); max-width: 700px; }
.actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-top: 6px; }
.fineprint { font-size: 13px; color: var(--muted); }

/* App preview */
.preview { padding-top: 16px; padding-bottom: 72px; }
.app-window { background: var(--window); border-radius: 14px; padding: 14px 18px 12px; box-shadow: 0 1px 2px rgba(15,23,42,.06), 0 24px 60px -24px rgba(15,23,42,.35); }
.app-titlebar { display: flex; align-items: center; justify-content: space-between; color: #FFFFFF; padding: 2px 4px 12px; font-size: 15px; }
.app-titlebar .controls { display: flex; gap: 14px; font-size: 13px; font-weight: 700; width: 60px; }
.app-titlebar .spacer { width: 60px; }
.app-search { background: #FFFFFF; border-radius: 7px; padding: 9px 12px; display: flex; align-items: center; gap: 10px; font-family: var(--mono); font-size: 14px; }
.caret { width: 1px; height: 16px; background: var(--ink); animation: blink 1.1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.app-table { margin-top: 12px; background: #FFFFFF; border-radius: 4px; overflow-x: auto; }
.app-table table { width: 100%; min-width: 900px; border-collapse: collapse; font-size: 13px; }
.app-table th { text-align: left; font-weight: 600; padding: 8px 12px; border-bottom: 1px solid var(--line); }
.app-table td { padding: 7px 12px; white-space: nowrap; }
.app-table .num { text-align: right; }
.app-table td.quiet { color: var(--muted); }
.app-table tbody tr:nth-child(even) { background: #F2F4F7; }
.app-table tbody tr.selected, .app-table tbody tr.selected td { background: var(--window); color: #FFFFFF; }
.file { display: flex; align-items: center; gap: 8px; }
.file::before { content: ""; width: 13px; height: 16px; border-radius: 2px; background: #E5484D; flex-shrink: 0; }
.app-status { color: #FFFFFF; font-size: 12px; text-align: center; padding: 10px 0 2px; }

/* Measured */
.measured { background: var(--surface); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.stats { padding-top: 40px; padding-bottom: 20px; display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 24px; }
.stat-value { font-family: var(--mono); font-size: 34px; font-weight: 600; letter-spacing: -0.01em; }
.stat-label { font-size: 14px; line-height: 1.5; color: var(--muted); margin-top: 6px; }
.measured .note { padding-bottom: 28px; font-family: var(--mono); font-size: 12px; color: var(--muted); }

/* Features */
.section { padding-top: 96px; padding-bottom: 48px; }
.section h2 { margin-bottom: 36px; max-width: 760px; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 16px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 24px; }
.card .tag { font-family: var(--mono); font-size: 12px; color: var(--muted); }
.card h3 { font-size: 18px; margin: 10px 0; }
.card p { margin: 0; font-size: 15px; line-height: 1.6; color: var(--body); }

/* Syntax */
.split { display: flex; flex-wrap: wrap; gap: 40px; }
.split .intro { flex: 1 1 320px; }
.split .intro h2 { margin-bottom: 14px; }
.split .intro p { margin: 0 0 14px; font-size: 16px; line-height: 1.65; color: var(--body); }
.codeblock { flex: 2 1 560px; min-width: 0; background: var(--code); border-radius: 12px; padding: 22px 26px; font-family: var(--mono); font-size: 14px; line-height: 2; overflow-x: auto; }
.codeblock table { border-collapse: collapse; white-space: nowrap; }
.codeblock td { padding: 0 32px 0 0; color: #E2E8F0; }
.codeblock td + td { color: #8FA3BF; }

/* Keys */
.keys { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 12px; }
.key { display: flex; align-items: center; justify-content: space-between; gap: 12px; background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; font-size: 15px; color: var(--body); }
kbd { font-family: var(--mono); font-size: 13px; background: #F1F4F8; border: 1px solid var(--line-strong); border-bottom-width: 2px; border-radius: 6px; padding: 3px 8px; color: var(--ink); white-space: nowrap; }

/* Changelog */
.changes { display: grid; gap: 16px; }
.release { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 22px 24px; display: grid; grid-template-columns: 180px minmax(0, 1fr); gap: 16px; }
.release .version { font-family: var(--mono); font-weight: 600; }
.release .date { font-size: 13px; color: var(--muted); margin-top: 4px; }
.release ul { margin: 0; padding-left: 18px; color: var(--body); line-height: 1.7; font-size: 15px; }

/* Download */
.download { background: var(--surface); border-top: 1px solid var(--line); margin-top: 48px; }
.download .wrap { padding-top: 80px; padding-bottom: 80px; display: flex; flex-direction: column; align-items: center; text-align: center; gap: 18px; }
.download img { width: 96px; height: 96px; }
.download h2 { font-size: 40px; }
.download p { margin: 0; font-size: 17px; color: var(--body); max-width: 560px; line-height: 1.6; }

/* Footer */
.site-footer { border-top: 1px solid var(--line); }
.site-footer .wrap { padding-top: 28px; padding-bottom: 28px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; font-size: 13px; color: var(--muted); }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 22px; }
.site-footer a { color: var(--muted); }

/* Text pages (privacy, support) */
.page { max-width: 760px; padding-top: 72px; padding-bottom: 96px; }
.page h1 { font-size: 40px; margin-bottom: 8px; }
.page .updated { color: var(--muted); font-size: 14px; margin-bottom: 36px; }
.page h2 { font-size: 22px; margin: 36px 0 10px; }
.page p, .page li { font-size: 16px; line-height: 1.7; color: var(--body); }

@media (max-width: 720px) {
  .wrap { padding-left: 16px; padding-right: 16px; }
  .hero { padding-top: 56px; }
  .hero h1 { font-size: 38px; }
  .hero p { font-size: 17px; }
  h2, .download h2 { font-size: 30px; }
  .section { padding-top: 64px; }
  .nav-links { gap: 8px 18px; }
  .release { grid-template-columns: minmax(0, 1fr); gap: 8px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .caret { animation: none; }
}

/* Guides */
.guide { max-width: 760px; padding-top: 64px; padding-bottom: 80px; }
.guide .crumbs { font-family: var(--mono); font-size: 13px; color: var(--muted); margin-bottom: 18px; }
.guide .crumbs a { color: var(--muted); }
.guide h1 { font-size: 42px; line-height: 1.12; letter-spacing: -0.02em; margin-bottom: 16px; }
.guide .lede { font-size: 19px; line-height: 1.6; color: var(--body); margin: 0 0 12px; }
.guide .meta { font-size: 13px; color: var(--muted); margin-bottom: 36px; }
.guide h2 { font-size: 26px; margin: 44px 0 12px; }
.guide h3 { font-size: 18px; margin: 28px 0 8px; }
.guide p, .guide li { font-size: 16px; line-height: 1.75; color: var(--body); }
.guide ol, .guide ul { padding-left: 22px; }
.guide li + li { margin-top: 6px; }
.guide code { font-family: var(--mono); font-size: 0.9em; background: #EEF1F5; border-radius: 5px; padding: 1px 5px; color: var(--ink); }
.guide pre { background: var(--code); color: #E2E8F0; border-radius: 10px; padding: 16px 20px; overflow-x: auto; font-family: var(--mono); font-size: 14px; line-height: 1.7; }
.guide pre code { background: none; padding: 0; color: inherit; font-size: inherit; }
.guide pre .c { color: #8FA3BF; }
.guide table { width: 100%; border-collapse: collapse; font-size: 15px; margin: 12px 0; }
.guide th, .guide td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; color: var(--body); }
.guide th { color: var(--ink); font-weight: 600; }
.guide td code { white-space: nowrap; }
.tip { background: var(--brand-tint); border: 1px solid #C8DBEA; border-radius: 10px; padding: 14px 18px; margin: 20px 0; }
.tip p { margin: 0; }
.cta { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 24px; margin-top: 44px; display: flex; flex-wrap: wrap; gap: 18px; align-items: center; }
.cta img { width: 56px; height: 56px; }
.cta div { flex: 1 1 300px; }
.cta h2 { font-size: 20px; margin: 0 0 6px; }
.cta p { margin: 0; font-size: 15px; }
.guide-list { display: grid; gap: 14px; margin-top: 28px; }
.guide-list a { display: block; background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 20px 22px; color: var(--ink); }
.guide-list a:hover { border-color: var(--brand); text-decoration: none; }
.guide-list strong { display: block; font-size: 18px; margin-bottom: 6px; }
.guide-list span { color: var(--body); font-size: 15px; line-height: 1.6; }
@media (max-width: 720px) { .guide h1 { font-size: 32px; } .guide h2 { font-size: 22px; } }