/* Piano Rhythm — legal pages, restyled to match the app's own visual
   identity: deep-space indigo background, electric violet + cyan accents,
   warm gold for emphasis. The app itself is dark-only (no light mode), so
   this page commits to the same single dark world rather than branching
   on prefers-color-scheme. */

:root {
  --bg: #0B0B14;
  --bg-elevated: #12121F;
  --surface: rgba(255,255,255,0.06);
  --surface-border: rgba(255,255,255,0.10);
  --surface-strong: rgba(255,255,255,0.14);

  --text: #F5F4FF;
  --text-soft: rgba(245,244,255,0.66);
  --text-faint: rgba(245,244,255,0.40);

  --accent: #7B5CFA;
  --accent-light: #A78BFA;
  --accent-dark: #5B3FD9;
  --cyan: #33E1ED;
  --gold: #FFC85C;

  --white-key: #F7F6FF;
  --black-key: #1A1A28;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', -apple-system, 'Segoe UI', Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent-light); }
a:focus-visible, button:focus-visible, .navlink:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

h1, h2, h3 {
  font-family: 'Inter', -apple-system, 'Segoe UI', Roboto, sans-serif;
  font-weight: 800;
  letter-spacing: -0.02em;
  text-wrap: balance;
  color: var(--text);
  margin: 0;
}

.mono {
  font-family: 'IBM Plex Mono', ui-monospace, Menlo, monospace;
  font-variant-numeric: tabular-nums;
}

/* ---- piano-key strip (decorative, restrained) ---- */
.keystrip {
  height: 6px;
  display: flex;
  width: 100%;
}
.keystrip span { flex: 1; }
.keystrip span:nth-child(odd) { background: var(--white-key); }
.keystrip span:nth-child(even) { background: var(--black-key); }

/* ---- sticky nav ---- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(11,11,20,0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--surface-border);
}
.topbar-inner {
  max-width: 760px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.wordmark {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  letter-spacing: -0.01em;
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
}
.wordmark .note { color: var(--accent-light); font-size: 17px; }
.navlinks { display: flex; gap: 4px; }
.navlink {
  font-size: 12.5px;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--text-soft);
  text-decoration: none;
  padding: 7px 13px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-family: 'IBM Plex Mono', monospace;
}
.navlink:hover { border-color: var(--surface-border); color: var(--text); }
.navlink.active {
  color: var(--accent-light);
  background: rgba(123,92,250,0.14);
  border-color: rgba(123,92,250,0.35);
}

.wrap { max-width: 760px; margin: 0 auto; padding: 0 24px; }

/* ---- hero: subtle violet/cyan glow behind the title, like the app's
   gradientBackground + judgement-color glow effects ---- */
.doc-hero {
  position: relative;
  padding: 64px 0 32px 0;
  border-bottom: 1px solid var(--surface-border);
  background:
    radial-gradient(480px 220px at 12% -20%, rgba(123,92,250,0.24), transparent 70%),
    radial-gradient(420px 200px at 88% -30%, rgba(51,225,237,0.14), transparent 70%);
}
.eyebrow {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--text-faint);
  text-transform: uppercase;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 9px;
}
.eyebrow .dots { display: inline-flex; gap: 4px; }
.eyebrow .dots span {
  width: 5px; height: 5px; border-radius: 50%;
  background: var(--cyan);
}
.eyebrow .dots span:nth-child(2) { background: var(--accent-light); }
.eyebrow .dots span:nth-child(3) { background: var(--gold); }
.doc-hero h1 { font-size: clamp(32px, 5vw, 44px); }
.doc-sub {
  margin-top: 12px;
  font-size: 16px;
  color: var(--text-soft);
  max-width: 60ch;
  line-height: 1.55;
}

.summary-box {
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-left: 3px solid var(--accent);
  border-radius: 10px;
  padding: 22px 24px;
  margin: 32px 0 8px 0;
}
.summary-box .label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-light);
  margin-bottom: 10px;
}
.summary-box ul { margin: 0; padding-left: 20px; }
.summary-box li { margin-bottom: 7px; line-height: 1.5; font-size: 15px; color: var(--text-soft); }
.summary-box li:last-child { margin-bottom: 0; }

section.doc-body { padding: 24px 0 64px 0; display: flex; flex-direction: column; gap: 14px; }

.clause {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 18px;
  padding: 24px;
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: 12px;
  transition: border-color 0.15s ease;
}
.clause:hover { border-color: var(--surface-strong); }
.clause .num {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 13px;
  color: var(--cyan);
  padding-top: 4px;
}
.clause h3 {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 10px;
}
.clause p, .clause li {
  font-size: 15.5px;
  line-height: 1.65;
  color: var(--text-soft);
  max-width: 62ch;
}
.clause p + p { margin-top: 12px; }
.clause ul { margin: 10px 0 0 0; padding-left: 20px; }
.clause li { margin-bottom: 8px; }
.clause li:last-child { margin-bottom: 0; }
.clause strong { color: var(--text); font-weight: 700; }

footer {
  border-top: 1px solid var(--surface-border);
  padding: 32px 0 56px 0;
}
footer .wrap {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
footer .mono-line {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12.5px;
  color: var(--text-faint);
}
footer .disclaimer {
  margin-top: 14px;
  font-size: 13px;
  color: var(--text-faint);
  max-width: 62ch;
  line-height: 1.6;
}
.backtotop {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px;
  color: var(--accent-light);
  text-decoration: none;
}

/* ---- landing page (index.html) ---- */
.landing-hero {
  position: relative;
  padding: 96px 0 52px 0;
  text-align: center;
  background:
    radial-gradient(560px 260px at 50% -25%, rgba(123,92,250,0.26), transparent 70%),
    radial-gradient(360px 200px at 80% 10%, rgba(51,225,237,0.12), transparent 70%);
}
.landing-hero .eyebrow { justify-content: center; }
.landing-hero h1 { font-size: clamp(30px, 6vw, 42px); }
.landing-hero p { color: var(--text-soft); margin-top: 14px; font-size: 16px; }
.landing-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  padding: 0 0 80px 0;
}
.landing-card {
  display: block;
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: 14px;
  padding: 28px 24px;
  text-decoration: none;
  transition: border-color 0.15s ease, transform 0.15s ease, background 0.15s ease;
}
.landing-card:hover {
  border-color: var(--accent);
  background: rgba(123,92,250,0.10);
  transform: translateY(-2px);
}
.landing-card .card-eyebrow {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 10px;
}
.landing-card h2 {
  font-size: 22px;
  color: var(--text);
  margin-bottom: 8px;
}
.landing-card p {
  font-size: 14px;
  color: var(--text-soft);
  margin: 0;
}

@media (prefers-reduced-motion: reduce) {
  .landing-card { transition: none; }
}

@media (max-width: 480px) {
  .clause { grid-template-columns: 28px 1fr; gap: 12px; padding: 18px; }
  .topbar-inner { padding: 12px 16px; }
  .wrap { padding: 0 16px; }
  .landing-cards { grid-template-columns: 1fr; }
}