:root {
  --pink: #E85A7A;
  --pink-deep: #C43C5C;
  --pink-soft: #F4A5B8;
  --pink-pale: #FBE5EA;
  --green: #4A7B5C;
  --green-deep: #2E5740;
  --green-soft: #8FB29A;
  --green-pale: #DDE8DF;
  --gold: #E8B04A;
  --cream: #FAF6EF;
  --ink: #2A2420;
  --ink-soft: #4A4138;
  --rule: #E8E2D6;
  --surface: #ffffff;
  --radius: 14px;
  --shadow: 0 1px 3px rgba(42, 36, 32, 0.04), 0 8px 24px rgba(46, 87, 64, 0.08);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--cream);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3 {
  letter-spacing: -0.01em;
  color: var(--ink);
}

a { color: var(--pink-deep); text-decoration: none; }
a:hover { text-decoration: underline; }

.container {
  max-width: 880px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.site-header {
  padding: 24px 0;
  border-bottom: 1px solid var(--rule);
  background: var(--cream);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.logo {
  display: inline-flex;
  align-items: center;
}
.logo img {
  height: 144px;
  width: auto;
  display: block;
}
.nav a {
  margin-left: 24px;
  font-size: 15px;
  color: var(--ink-soft);
}
.nav a:hover { color: var(--pink-deep); text-decoration: none; }
.nav a.nav-cta {
  padding: 8px 16px;
  background: var(--green-deep);
  color: var(--cream);
  border-radius: 999px;
  font-weight: 500;
}
.nav a.nav-cta:hover { background: var(--pink-deep); color: var(--cream); }

/* Hero */
.hero {
  padding: 80px 0 24px;
  text-align: center;
}
.hero h1 {
  font-size: clamp(32px, 3.5vw, 44px);
  line-height: 1.05;
  margin: 0 0 16px;
}
.hero .tagline {
  font-size: 20px;
  color: var(--ink-soft);
  max-width: 640px;
  margin: 0 auto 32px;
  line-height: 1.4;
}
.hero .badges {
  display: inline-flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: 12px;
  color: var(--ink);
  font-size: 14px;
  box-shadow: var(--shadow);
}
.badge-note {
  font-size: 13px;
  color: var(--ink-soft);
  margin-top: 16px;
  display: block;
}

/* Features */
.features {
  padding: 60px 0;
}
.features h2 {
  text-align: center;
  font-size: 36px;
  margin: 0 0 40px;
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}
.feature {
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
}
.feature-icon {
  font-size: 28px;
  margin-bottom: 10px;
}
.feature h3 {
  margin: 0 0 8px;
  font-size: 22px;
  font-weight: 700;
  line-height: 1.2;
}
.feature p {
  margin: 0;
  font-size: 15px;
  color: var(--ink-soft);
  line-height: 1.6;
}

/* Section */
section.content {
  padding: 40px 0 80px;
}
section.content h1 {
  font-size: 52px;
  margin: 0 0 8px;
  line-height: 1.05;
}
section.content .updated {
  color: var(--ink-soft);
  font-size: 14px;
  margin-bottom: 32px;
}
section.content h2 {
  font-size: 30px;
  margin: 40px 0 12px;
  line-height: 1.15;
}
section.content h3 {
  font-size: 22px;
  margin: 28px 0 10px;
  line-height: 1.2;
}
section.content p,
section.content li { font-size: 16px; color: var(--ink-soft); }
section.content ul { padding-left: 22px; }
section.content hr {
  border: 0;
  border-top: 1px solid var(--rule);
  margin: 32px 0;
}
section.content code {
  background: var(--pink-pale);
  color: var(--pink-deep);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 13px;
}
section.content strong { color: var(--ink); }

/* Footer */
.site-footer {
  border-top: 1px solid var(--rule);
  padding: 32px 0;
  text-align: center;
  color: var(--ink-soft);
  font-size: 14px;
}
.site-footer a { margin: 0 10px; color: var(--ink-soft); }
.site-footer a:hover { color: var(--pink-deep); }

/* Coming-soon pill */
.coming-soon {
  display: inline-block;
  margin-left: 6px;
  padding: 2px 10px;
  font-size: 11px;
  font-weight: 600;
  color: var(--green-deep);
  background: var(--green-pale);
  border-radius: 999px;
  vertical-align: middle;
}

/* ============================================================ */
/* Tester guide (public/testers.html)                            */
/* ============================================================ */

.toc {
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 20px 28px;
  margin: 24px 0 40px;
  box-shadow: var(--shadow);
}
.toc h2 {
  font-size: 13px;
  margin: 0 0 12px;
  color: var(--ink-soft);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 600;
}
.toc ol {
  list-style: none;
  padding: 0;
  margin: 0;
  columns: 2;
  column-gap: 32px;
}
@media (max-width: 600px) {
  .toc ol { columns: 1; }
}
.toc li {
  margin: 5px 0;
  break-inside: avoid;
  font-size: 15px;
}
.toc a { color: var(--ink); }
.toc a:hover { color: var(--pink-deep); }
.toc .toc-num {
  display: inline-block;
  width: 22px;
  color: var(--ink-soft);
  font-variant-numeric: tabular-nums;
}

.callout {
  background: var(--green-pale);
  border-left: 3px solid var(--green-deep);
  border-radius: 6px;
  padding: 14px 18px;
  margin: 16px 0;
}
.callout.note {
  background: var(--pink-pale);
  border-left-color: var(--pink-deep);
}
.callout p { margin: 0; font-size: 15px; color: var(--ink); }
.callout p + p { margin-top: 8px; }

.expected {
  margin: 12px 0;
  padding: 8px 14px;
  background: var(--green-pale);
  border-left: 3px solid var(--green-soft);
  border-radius: 4px;
  font-size: 15px;
  color: var(--ink);
}
.expected strong { color: var(--green-deep); }

.checklist {
  list-style: none;
  padding: 0;
  margin: 16px 0 0;
}
.checklist li {
  padding: 4px 0;
  font-size: 15px;
  color: var(--ink);
}

.session {
  border-top: 1px solid var(--rule);
  padding-top: 28px;
  margin-top: 40px;
  page-break-inside: avoid;
  break-inside: avoid;
}
.session h2 { font-size: 26px; margin: 0 0 6px; }
.session .goal {
  font-style: italic;
  color: var(--ink-soft);
  margin: 0 0 16px;
}
.session h3 {
  font-size: 18px;
  margin-top: 28px;
  margin-bottom: 10px;
}

pre.bug-template {
  background: var(--ink);
  color: var(--cream);
  padding: 20px 24px;
  border-radius: var(--radius);
  overflow-x: auto;
  font-family: ui-monospace, SFMono-Regular, 'SF Mono', Menlo, Consolas, monospace;
  font-size: 13px;
  line-height: 1.6;
  white-space: pre-wrap;
  margin: 16px 0;
}

.back-to-top {
  display: block;
  margin-top: 16px;
  font-size: 13px;
  color: var(--ink-soft);
}
.back-to-top:hover { color: var(--pink-deep); }

section.content .version {
  display: inline-block;
  margin-left: 10px;
  padding: 2px 10px;
  font-size: 12px;
  font-weight: 600;
  color: var(--green-deep);
  background: var(--green-pale);
  border-radius: 999px;
  vertical-align: middle;
}

@media print {
  .site-header,
  .site-footer,
  .toc,
  .back-to-top,
  .nav-cta { display: none !important; }
  body { background: white; color: black; font-size: 11pt; line-height: 1.5; }
  section.content { padding: 0; }
  section.content h1 { font-size: 24pt; }
  section.content h2 { font-size: 16pt; }
  .session { page-break-inside: avoid; break-inside: avoid; border-top: 1px solid #999; }
  .callout, .expected, pre.bug-template, .checklist { page-break-inside: avoid; break-inside: avoid; }
  a { color: black; text-decoration: none; }
  pre.bug-template { background: #f4f4f4; color: black; border: 1px solid #ccc; }
  .container { max-width: none; padding: 0; }
}