:root {
  --paper: #EEF0E9;
  --paper-raised: #F7F8F3;
  --ink: #20241F;
  --ink-soft: #4B5148;
  --line: #C7CCBC;
  --ember: #A93E17;
  --ember-strong: #7D2D10;
  --focus: #2F6FBF;
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #171913;
    --paper-raised: #1F231A;
    --ink: #E9E7DC;
    --ink-soft: #ABB09D;
    --line: #343A2C;
    --ember: #E2894A;
    --ember-strong: #F2A56A;
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Charter, "Bitstream Charter", "Iowan Old Style", "Palatino Linotype", Georgia, "Noto Serif", serif;
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--ember); text-decoration-thickness: 1px; text-underline-offset: 0.15em; }
a:focus-visible, button:focus-visible, .navlink:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
  border-radius: 2px;
}

img { max-width: 100%; display: block; }

.heading, .eyebrow, .doc-label, .navlink, .ticknum, .btn, .brand, nav.primary a {
  font-family: "Bahnschrift", "DIN Condensed", "Arial Narrow", "Helvetica Neue Condensed", "Segoe UI", sans-serif;
}

.mono { font-family: Consolas, "SFMono-Regular", Menlo, "Liberation Mono", monospace; }

.eyebrow {
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
  font-weight: 600;
}

/* ---------- site header / primary nav ---------- */

header.site {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}
.site-nav {
  max-width: 46rem;
  margin: 0 auto;
  padding: 0.9rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: 0.01em;
}
.brand img { width: 28px; height: 28px; border-radius: 6px; }

nav.primary { display: flex; align-items: center; gap: 1.4rem; }
nav.primary a.navlink {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
  text-decoration: none;
  font-weight: 600;
  padding-bottom: 0.2rem;
  border-bottom: 2px solid transparent;
}
nav.primary a.navlink:hover, nav.primary a.navlink.active { color: var(--ink); border-bottom-color: var(--ember); }

.nav-cta {
  background: var(--ember);
  color: #F7F8F3 !important;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 700;
  text-decoration: none;
  padding: 0.5rem 0.9rem;
  border-radius: 3px;
}
.nav-cta:hover { background: var(--ember-strong); }

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 3px;
  color: var(--ink);
  padding: 0.4rem 0.6rem;
  font-size: 1rem;
  cursor: pointer;
}

/* ---------- masthead / hero ---------- */

.masthead {
  border-bottom: 1px solid var(--line);
  padding: 2.75rem 1.5rem 2rem;
}
.masthead-inner { max-width: 46rem; margin: 0 auto; }
.masthead .eyebrow { margin-bottom: 0.6rem; }
h1.heading {
  margin: 0;
  font-weight: 600;
  font-size: clamp(1.8rem, 4.5vw, 2.6rem);
  letter-spacing: 0.01em;
  text-wrap: balance;
}
h1.heading .accent { color: var(--ember); }
.masthead p.dek {
  margin: 0.6rem 0 0;
  max-width: 38rem;
  color: var(--ink-soft);
  font-size: 1.0625rem;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 1.75rem;
}

.store-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: var(--ink);
  color: var(--paper) !important;
  border-radius: 6px;
  padding: 0.55rem 1rem;
  text-decoration: none;
}
.store-badge svg { width: 22px; height: 22px; flex-shrink: 0; }
.store-badge .store-text { display: flex; flex-direction: column; line-height: 1.15; font-family: "Bahnschrift", "Segoe UI", sans-serif; }
.store-badge .store-text small { font-size: 0.6rem; text-transform: uppercase; letter-spacing: 0.05em; opacity: 0.85; }
.store-badge .store-text span { font-size: 1rem; font-weight: 700; }

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border: 1px solid var(--line);
  color: var(--ink);
  text-decoration: none;
  padding: 0.55rem 1rem;
  border-radius: 6px;
  font-family: "Bahnschrift", "Segoe UI", sans-serif;
  font-weight: 600;
  font-size: 0.9rem;
}
.btn-outline:hover { border-color: var(--ember); color: var(--ember); }

/* doc-control block, styled like an ICS form header strip */
.doc-control {
  margin-top: 1.75rem;
  border: 1px solid var(--line);
  background: var(--paper-raised);
  border-radius: 3px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.doc-field { padding: 0.65rem 0.9rem; border-right: 1px solid var(--line); }
.doc-field:last-child { border-right: none; }
.doc-label {
  font-size: 0.625rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
  display: block;
  margin-bottom: 0.2rem;
}
.doc-value { font-size: 0.875rem; font-weight: 600; }
.doc-value.mono { font-weight: 400; }

/* platform / download cards */
.platform-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1rem; margin-bottom: 1.5rem; }
.platform-card {
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 1.3rem 1.4rem;
}
.platform-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 0.6rem; }
.platform-head h3 { margin: 0; font-size: 1.05rem; font-family: "Bahnschrift", "Segoe UI", sans-serif; font-weight: 700; }
.status-pill {
  font-family: "Bahnschrift", "Segoe UI", sans-serif;
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 700;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  border: 1px solid;
}
.status-pill.live { color: #2E7D32; border-color: #2E7D32; }
@media (prefers-color-scheme: dark) { .status-pill.live { color: #7BC67E; border-color: #7BC67E; } }
.status-pill.testing { color: var(--ember); border-color: var(--ember); }

.platform-card p { color: var(--ink-soft); font-size: 0.9rem; margin: 0 0 1rem; }
.platform-card ol { margin: 0 0 1.1rem; padding-left: 1.2rem; color: var(--ink-soft); font-size: 0.9rem; }
.platform-card ol li { margin-bottom: 0.4rem; }
.platform-card .actions { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.platform-card .store-badge, .platform-card .btn-outline { padding: 0.5rem 0.85rem; }

/* sticky secondary nav (legal page) */
.subnav {
  position: sticky;
  top: 61px;
  z-index: 5;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
  padding: 0 1.5rem;
}
.subnav-inner {
  max-width: 46rem;
  margin: 0 auto;
  display: flex;
  gap: 1.5rem;
  align-items: center;
  padding: 0.75rem 0;
}
.navlink {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
  text-decoration: none;
  font-weight: 600;
  padding-bottom: 0.15rem;
  border-bottom: 2px solid transparent;
}
.navlink:hover { color: var(--ink); }
.subnav-spacer { flex: 1; }
.btn {
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 600;
  font-family: "Bahnschrift", "Segoe UI", sans-serif;
  background: transparent;
  color: var(--ink-soft);
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: 0.35rem 0.7rem;
  cursor: pointer;
}
.btn:hover { color: var(--ink); border-color: var(--ink-soft); }

main {
  max-width: 46rem;
  margin: 0 auto;
  padding: 0 1.5rem 5rem;
}

/* ---------- generic content sections ---------- */

section.block { padding-top: 3rem; scroll-margin-top: 3.5rem; }
section.block + section.block { border-top: 1px solid var(--line); }
section.block .eyebrow { margin-bottom: 0.4rem; }
.block-title { font-size: 1.6rem; font-weight: 600; margin: 0 0 0.6rem; text-wrap: balance; }
.block-sub { color: var(--ink-soft); font-size: 1rem; margin: 0 0 2rem; max-width: 42ch; }

/* plain-language summary / highlight card */
.summary, .card {
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-left: 3px solid var(--ember);
  border-radius: 2px;
  padding: 1.1rem 1.3rem;
  margin-bottom: 1.5rem;
}
.summary .eyebrow, .card .eyebrow { color: var(--ember); margin-bottom: 0.5rem; }
.summary ul { margin: 0; padding-left: 1.15rem; }
.summary li { margin-bottom: 0.4rem; }
.summary li:last-child { margin-bottom: 0; }

/* feature grid */
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 1rem; margin-bottom: 2.5rem; }
.grid .card { margin-bottom: 0; border-left: 1px solid var(--line); }
.grid .card h3 {
  font-family: "Bahnschrift", "Segoe UI", sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
  margin: 0 0 0.4rem;
  color: var(--ink);
}
.grid .card p { margin: 0; color: var(--ink-soft); font-size: 0.9rem; }
.grid .card .ticknum { position: static; display: block; margin-bottom: 0.5rem; }

/* numbered sections with contour-tick rule (features + legal) */
section.clause {
  position: relative;
  padding-left: 2.75rem;
  margin-bottom: 2.1rem;
  scroll-margin-top: 7rem;
}
section.clause::before {
  content: "";
  position: absolute;
  left: 0.85rem;
  top: 0.35rem;
  bottom: -2.1rem;
  width: 1px;
  background: var(--line);
}
section.clause:last-child::before { display: none; }
.ticknum {
  position: absolute;
  left: 0;
  top: 0;
  width: 1.7rem;
  text-align: right;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--ember);
  padding-top: 0.15rem;
}
h3.clause-title { margin: 0 0 0.5rem; font-size: 1.05rem; font-weight: 600; letter-spacing: 0.01em; }
section.clause p { margin: 0 0 0.75rem; }
section.clause p:last-child { margin-bottom: 0; }
section.clause ul { margin: 0 0 0.75rem; padding-left: 1.2rem; }
section.clause li { margin-bottom: 0.35rem; }

.callout {
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 0.9rem 1.1rem;
  font-size: 0.9375rem;
  margin: 0.9rem 0;
}
.callout strong { color: var(--ember); }

/* quote */
.quote-block { text-align: center; max-width: 34rem; margin: 0 auto 2.5rem; }
.stars { color: var(--ember); letter-spacing: 0.2em; margin-bottom: 0.9rem; font-size: 1rem; }
.quote-block blockquote { font-size: 1.2rem; font-style: italic; line-height: 1.5; margin: 0 0 0.8rem; }
.quote-block cite { color: var(--ink-soft); font-style: normal; font-size: 0.85rem; }

/* legal-specific document titles */
.doc { padding-top: 3rem; scroll-margin-top: 7rem; }
.doc + .doc { border-top: 1px solid var(--line); }
.doc-title { font-size: 1.7rem; font-weight: 600; margin: 0 0 0.3rem; text-wrap: balance; }
.doc-sub { color: var(--ink-soft); font-size: 0.9375rem; margin: 0 0 2rem; }

/* CTA band */
.cta-band {
  text-align: center;
  padding: 3rem 1.5rem;
  margin: 0 -1.5rem;
  background: var(--paper-raised);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.cta-band h2 { margin: 0 0 0.5rem; font-size: 1.4rem; }
.cta-band p { color: var(--ink-soft); margin: 0 0 1.5rem; }

footer.site {
  max-width: 46rem;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 4rem;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 0.875rem;
}
footer.site a { color: var(--ink); }
.footer-links { display: flex; gap: 1.2rem; flex-wrap: wrap; margin-top: 0.9rem; }
.footer-links a { color: var(--ink-soft); font-size: 0.8rem; }
.footer-links a:hover { color: var(--ember); }

@media (max-width: 640px) {
  .doc-control { grid-template-columns: repeat(2, 1fr); }
  .doc-field:nth-child(2) { border-right: none; }
  section.clause { padding-left: 2.1rem; }
  .ticknum { width: 1.3rem; }

  nav.primary {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    align-items: flex-start;
    padding: 1rem 1.5rem 1.5rem;
    gap: 0.9rem;
    display: none;
  }
  nav.primary.open { display: flex; }
  .nav-toggle { display: inline-flex; }
  .site-nav { position: relative; }
}

@media print {
  header.site, .subnav, .btn, .nav-toggle { position: static; }
}