/* Roam Live website
 * Brand tokens (3): Ink #0A0A0A, Paper #F6F4EE, Live #FF2D2D.
 */

:root {
  --ink: #0A0A0A;
  --paper: #F6F4EE;
  --live: #FF2D2D;
  --muted: rgba(246, 244, 238, 0.62);
  --dim: rgba(246, 244, 238, 0.42);
  --line: rgba(246, 244, 238, 0.09);
  --surface: rgba(246, 244, 238, 0.04);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -webkit-text-size-adjust: 100%;
  color-scheme: dark;
}

body {
  background: var(--ink);
  color: var(--paper);
  font-family: -apple-system, BlinkMacSystemFont, 'Inter', 'Segoe UI', Roboto, system-ui, sans-serif;
  font-size: 17px;
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  width: 100%;
  max-width: 720px;
  margin: 0 auto;
  padding: 4.5rem 1.5rem 3rem;
  flex: 1;
}

a {
  color: var(--paper);
  text-decoration: underline;
  text-decoration-color: var(--dim);
  text-underline-offset: 3px;
  transition: text-decoration-color 0.15s, color 0.15s;
}

a:hover {
  text-decoration-color: var(--live);
  color: var(--paper);
}

::selection {
  background: var(--live);
  color: var(--paper);
}

/* ---- Hero ---- */

.hero {
  text-align: center;
  margin-bottom: 4rem;
}

.hero .wordmark {
  display: block;
  margin: 0 auto 1.5rem;
  max-width: 420px;
  width: 80%;
  height: auto;
}

.hero .tagline {
  font-size: 1.125rem;
  color: var(--muted);
  margin-bottom: 2.5rem;
  max-width: 32ch;
  margin-left: auto;
  margin-right: auto;
}

.download {
  display: inline-block;
  background: var(--live);
  color: var(--paper);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 0.01em;
  padding: 0.95rem 1.75rem;
  border-radius: 8px;
  text-decoration: none;
  transition: filter 0.15s, transform 0.05s;
}

.download:hover {
  filter: brightness(1.08);
  text-decoration: none;
}

.download:active {
  transform: translateY(1px);
}

.android-only {
  font-size: 0.875rem;
  color: var(--dim);
  margin-top: 0.85rem;
  font-style: italic;
}

/* ---- Sections ---- */

section + section {
  margin-top: 2.5rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--line);
}

section h2 {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--live);
  margin-bottom: 1.5rem;
}

section p {
  margin-bottom: 1rem;
  max-width: 60ch;
}

section p:last-child {
  margin-bottom: 0;
}

/* ---- Feature list ---- */

ul.features {
  list-style: none;
  margin-top: 1.25rem;
}

ul.features li {
  padding: 0.6rem 0 1.4rem;
}

ul.features li:first-child {
  padding-top: 0;
}

ul.features li:last-child {
  padding-bottom: 0;
}

ul.features h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 0.3rem;
}

ul.features p {
  color: var(--muted);
  font-size: 0.97rem;
  margin: 0;
  max-width: 60ch;
}

/* ---- Privacy ---- */

ul.privacy {
  list-style: none;
  margin-top: 0.5rem;
}

ul.privacy li {
  padding: 0.55rem 0;
  color: var(--paper);
}

ul.privacy li::before {
  content: "•";
  color: var(--live);
  display: inline-block;
  width: 1.5rem;
  font-weight: 600;
}

/* ---- Install ---- */

ol.install {
  margin-top: 0.5rem;
  margin-left: 1.5rem;
  color: var(--muted);
}

ol.install li {
  padding: 0.4rem 0;
}

ol.install li::marker {
  color: var(--live);
  font-weight: 700;
}

ol.install li strong {
  color: var(--paper);
  font-weight: 600;
}

/* ---- Support CTA on home ---- */

.support-cta a.button {
  display: inline-block;
  margin-top: 0.5rem;
  padding: 0.7rem 1.3rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  text-decoration: none;
  color: var(--paper);
  font-size: 0.95rem;
  transition: border-color 0.15s, background 0.15s;
}

.support-cta a.button:hover {
  border-color: var(--live);
  background: rgba(255, 45, 45, 0.06);
}

/* ---- Footer ---- */

footer {
  max-width: 720px;
  width: 100%;
  margin: 0 auto;
  padding: 2.5rem 1.5rem;
  border-top: 1px solid var(--line);
  color: var(--dim);
  font-size: 0.85rem;
  text-align: center;
}

footer a {
  color: var(--muted);
}

footer .footer-row {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

footer .version {
  font-family: ui-monospace, 'JetBrains Mono', 'SF Mono', Menlo, monospace;
  font-size: 0.8rem;
}

/* ---- Support page ---- */

.support-page main {
  max-width: 580px;
}

.support-page h1 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  text-align: center;
}

.support-page .lede {
  text-align: center;
  color: var(--muted);
  margin-bottom: 3rem;
}

.method {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1.5rem;
  margin-bottom: 1rem;
}

.method h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 0.85rem;
}

.method .stripe-embed {
  display: flex;
  justify-content: center;
  margin-top: 0.5rem;
}

.method .qr-code {
  display: block;
  width: 144px;
  height: 144px;
  margin: 0.75rem auto;
  padding: 8px;
  background: var(--paper);
  border-radius: 6px;
}

.wallet-row {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.wallet {
  font-family: ui-monospace, 'JetBrains Mono', 'SF Mono', Menlo, monospace;
  font-size: 0.82rem;
  background: var(--ink);
  padding: 0.7rem 0.85rem;
  border-radius: 6px;
  word-break: break-all;
  color: var(--paper);
  border: 1px solid var(--line);
  flex: 1;
  min-width: 0;
  text-decoration: none;
  display: flex;
  align-items: center;
}

.wallet:hover {
  border-color: var(--live);
}

.copy-btn {
  border: 1px solid var(--line);
  background: var(--ink);
  color: var(--paper);
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 500;
  padding: 0 1rem;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
  white-space: nowrap;
}

.copy-btn:hover {
  background: var(--live);
  border-color: var(--live);
}

.copy-btn.copied {
  background: var(--paper);
  color: var(--ink);
  border-color: var(--paper);
}

.back-link {
  display: inline-block;
  margin-bottom: 2rem;
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
}

.back-link:hover {
  color: var(--live);
}

/* ---- Mobile ---- */

@media (max-width: 480px) {
  body {
    font-size: 16px;
  }
  main {
    padding: 2.5rem 1.25rem 2rem;
  }
  .hero {
    margin-bottom: 3rem;
  }
  .hero .wordmark {
    width: 90%;
  }
  section + section {
    margin-top: 2.5rem;
    padding-top: 2.5rem;
  }
  .download {
    width: 100%;
  }
}