/* ============================================================
   Govern or Fail — book landing page
   Palette drawn from the cover art:
   navy #21395B · cream #EDE6D6 · burnt orange #C14F2E
   ============================================================ */

:root {
  --bg: #21395B;
  --bg-alt: #1C3150;
  --card: #1D3352;
  --footer: #182C4B;
  --border: #3A5680;
  --hairline: #33507A;
  --text: #EDE6D6;
  --heading: #F3EDDE;
  --muted: #9FAEC4;
  --mid: #C9D2DF;
  --mid-strong: #D5DCE6;
  --faint: #7C8DA6;
  --fainter: #64789A;
  --accent: #C14F2E;
  --btn-text: #F6EFE0;
  --sans: 'IBM Plex Sans', system-ui, -apple-system, sans-serif;
  --serif: 'Newsreader', Georgia, serif;
  --mono: 'IBM Plex Mono', ui-monospace, monospace;
  --display: 'Archivo', system-ui, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

::selection { background: rgba(193, 79, 46, 0.4); }

img { max-width: 100%; }

a:focus-visible,
.btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.wrap {
  max-width: 1180px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* ---------- Type ---------- */

.kicker {
  margin: 0 0 20px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
}

.section-title {
  margin: 0 0 24px;
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(26px, 3.4vw, 38px);
  line-height: 1.14;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  color: var(--heading);
  max-width: 820px;
  text-wrap: pretty;
}

.lede {
  margin: 0 0 56px;
  font-size: 17px;
  line-height: 1.7;
  color: var(--muted);
  max-width: 680px;
  text-wrap: pretty;
}

.diamond { color: var(--accent); }

/* ---------- Buttons ---------- */

.btn {
  display: inline-block;
  text-decoration: none;
  font-size: 15px;
  letter-spacing: 0.02em;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.btn-primary {
  font-weight: 600;
  color: var(--btn-text);
  background: var(--accent);
  padding: 14px 28px;
}
.btn-primary:hover { background: var(--text); color: var(--bg); }

.btn-secondary {
  font-weight: 500;
  color: var(--text);
  background: transparent;
  border: 1px solid #56719B;
  padding: 13px 28px;
}
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); }

/* Pre-launch state: buy CTA before the book is on sale */
.btn-soon {
  cursor: default;
  position: relative;
}
.btn-primary.btn-soon,
.btn-primary.btn-soon:hover {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
}
.nav-links .btn-buy.btn-soon,
.nav-links .btn-buy.btn-soon:hover {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
  font-family: var(--mono);
  letter-spacing: 0.08em;
}
.pub-note {
  margin: 0 auto 20px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(33, 57, 91, 0.9);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.site-nav {
  min-height: 60px;
  padding-top: 10px;
  padding-bottom: 10px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--text);
  text-decoration: none;
  white-space: nowrap;
}
.logo .diamond { font-size: 11px; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 26px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav-links a {
  font-size: 14px;
  color: var(--muted);
  text-decoration: none;
}
.nav-links a:hover { color: var(--text); }

.nav-links .btn-buy {
  font-size: 13px;
  font-weight: 600;
  color: var(--btn-text);
  background: var(--accent);
  padding: 8px 16px;
  letter-spacing: 0.02em;
}
.nav-links .btn-buy:hover { background: var(--text); color: var(--bg); }

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

section { border-bottom: 1px solid var(--border); }
.section-pad { padding-top: 96px; padding-bottom: 96px; }
.bg-alt { background: var(--bg-alt); }

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

.hero { position: relative; overflow: hidden; }

.hero-trace {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(90deg, rgba(237, 230, 214, 0.04) 0, rgba(237, 230, 214, 0.04) 1px, transparent 1px, transparent 120px),
    repeating-linear-gradient(0deg, rgba(237, 230, 214, 0.025) 0, rgba(237, 230, 214, 0.025) 1px, transparent 1px, transparent 120px);
}

.hero-grid {
  position: relative;
  padding-top: 88px;
  padding-bottom: 96px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 64px;
  align-items: center;
}

.hero-copy { max-width: 640px; }

.hero-kicker {
  margin: 0 0 28px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
}
.hero-kicker .sep { color: var(--fainter); }

.hero-title {
  margin: 0 0 20px;
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(52px, 7.4vw, 96px);
  line-height: 0.96;
  letter-spacing: -0.01em;
  text-transform: uppercase;
  color: var(--heading);
}
.hero-title .fail { color: var(--accent); }

.hero-subtitle {
  margin: 0 0 36px;
  font-family: var(--mono);
  font-size: 14px;
  letter-spacing: 0.18em;
  line-height: 1.7;
  text-transform: uppercase;
  color: var(--muted);
}

.hero-lede {
  margin: 0 0 18px;
  font-size: 19px;
  line-height: 1.6;
  text-wrap: pretty;
}

.hero-sub {
  margin: 0 0 40px;
  font-size: 16px;
  line-height: 1.7;
  color: var(--muted);
  text-wrap: pretty;
}
.hero-sub .title-ref { font-style: normal; color: var(--mid); }

.hero-ctas { display: flex; gap: 14px; flex-wrap: wrap; }

.hero-cover { display: flex; justify-content: center; }

.hero-cover img {
  width: min(340px, 80vw);
  height: auto;
  display: block;
  border: 1px solid rgba(237, 230, 214, 0.18);
  box-shadow: 24px 32px 60px rgba(10, 20, 38, 0.55);
}

/* ---------- Card grids (hairline gaps) ---------- */

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}

.card {
  background: var(--card);
  padding: 32px 28px;
}

.card h3 {
  margin: 0 0 12px;
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text);
}

.card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.65;
  color: var(--muted);
}

/* ---------- Argument / pull quote ---------- */

.pull-quote {
  margin: 0;
  max-width: 820px;
  border-top: 3px solid var(--accent);
  padding-top: 32px;
}

.pull-quote p {
  margin: 0;
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.35;
  color: var(--text);
  text-wrap: pretty;
}

/* ---------- Audience list ---------- */

.audience-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.audience-list li {
  border-top: 1px solid var(--border);
  padding: 22px 24px 22px 0;
  display: flex;
  gap: 18px;
  align-items: baseline;
}

.audience-list .diamond {
  font-family: var(--mono);
  font-size: 11px;
  flex-shrink: 0;
}

.audience-list span:last-child {
  font-size: 16px;
  color: var(--mid-strong);
}

.tone-note {
  margin: 40px 0 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
  max-width: 620px;
}

/* ---------- Differentiators ---------- */

.diff-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 48px;
}

.diff-grid h3 {
  margin: 0 0 14px;
  font-family: var(--serif);
  font-weight: 500;
  font-size: 23px;
  color: var(--heading);
}

.diff-grid p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- Contents ---------- */

.parts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}

.part {
  background: var(--card);
  padding: 36px 30px;
}

.part-label {
  margin: 0 0 6px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}

.part h3 {
  margin: 0 0 24px;
  font-family: var(--serif);
  font-weight: 500;
  font-size: 22px;
  line-height: 1.25;
  color: var(--heading);
  text-wrap: pretty;
}

.part ol {
  list-style: none;
  margin: 0;
  padding: 0;
}

.part li {
  display: flex;
  gap: 14px;
  align-items: baseline;
  border-top: 1px solid var(--hairline);
  padding: 12px 0;
}

.part .ch-num {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--faint);
  flex-shrink: 0;
}

.part .ch-title {
  font-size: 14px;
  line-height: 1.5;
  color: var(--mid);
}

.contents-note {
  margin: 48px 0 0;
  font-size: 16px;
  line-height: 1.7;
  color: var(--muted);
  max-width: 720px;
  text-wrap: pretty;
}

/* ---------- Core ideas ---------- */

.concepts {
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 40px 48px;
}

.concept {
  border-top: 1px solid var(--border);
  padding-top: 18px;
}

.concept dt {
  margin: 0 0 8px;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text);
}

.concept dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.65;
  color: var(--muted);
}

/* ---------- Author ---------- */

.author-grid {
  padding-top: 96px;
  padding-bottom: 96px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 56px;
  align-items: start;
}

.author-grid .section-title { margin: 0; }

.author-bio {
  margin: 0 0 20px;
  font-size: 17px;
  line-height: 1.75;
  color: var(--mid);
  text-wrap: pretty;
}

.author-loc {
  margin: 0;
  font-size: 15px;
  color: var(--muted);
}

/* ---------- Resources + contact ---------- */

.resource-grid {
  margin-top: 96px;
  margin-bottom: 96px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}

.resource-card {
  background: var(--card);
  padding: 48px 40px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.resource-card h2 {
  margin: 0 0 18px;
  font-family: var(--display);
  font-weight: 700;
  font-size: 22px;
  line-height: 1.2;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  color: var(--heading);
}

.resource-card p {
  margin: 0 0 32px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
  text-wrap: pretty;
}

.resource-card .btn {
  margin-top: auto;
  font-size: 14px;
  padding: 12px 24px;
}

/* ---------- Final CTA ---------- */

.final-cta {
  max-width: 860px;
  margin: 0 auto;
  padding: 120px 24px;
  text-align: center;
}

.final-cta h2 {
  margin: 0 0 28px;
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(40px, 5.5vw, 68px);
  line-height: 0.98;
  text-transform: uppercase;
  color: var(--heading);
}
.final-cta .fail { color: var(--accent); }

.final-cta p {
  margin: 0 auto 44px;
  font-size: 17px;
  line-height: 1.75;
  color: var(--muted);
  max-width: 640px;
  text-wrap: pretty;
}

.final-cta .btn-primary {
  font-size: 16px;
  padding: 16px 36px;
}

/* ---------- Source notes page ---------- */

.notes-hero {
  padding-top: 72px;
  padding-bottom: 56px;
}

.notes-hero .back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 32px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
}
.notes-hero .back-link:hover { color: var(--accent); }

.notes-intro {
  max-width: 720px;
  margin: 24px 0 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--muted);
  text-wrap: pretty;
}

.notes-list {
  list-style: none;
  margin: 0;
  padding: 0;
  max-width: 860px;
  counter-reset: note;
}

.notes-list li {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 20px;
  border-top: 1px solid var(--hairline);
  padding: 24px 0;
}

.notes-list li .num {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--accent);
  padding-top: 2px;
}

.notes-list li p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--mid);
  text-wrap: pretty;
}

.notes-list li .src-title { font-style: italic; color: var(--text); }

.notes-disclaimer {
  max-width: 860px;
  margin: 48px 0 0;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
  text-wrap: pretty;
}

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

.site-footer { background: var(--footer); }

.footer-inner {
  padding-top: 56px;
  padding-bottom: 48px;
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  justify-content: space-between;
  align-items: flex-start;
}

.footer-id { max-width: 380px; }

.footer-logo {
  margin: 0 0 8px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--text);
}
.footer-logo .diamond { font-size: 11px; }

.footer-id p {
  margin: 0 0 4px;
  font-size: 13px;
  color: var(--faint);
}

.footer-id .footer-sub {
  margin-bottom: 20px;
  line-height: 1.6;
}

.footer-id .footer-views { color: var(--fainter); }

.footer-links {
  display: flex;
  gap: 32px;
}

.footer-links a {
  font-size: 14px;
  color: var(--muted);
  text-decoration: none;
}
.footer-links a:hover { color: var(--text); }

/* ---------- Utility ---------- */

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- Signup (email capture) ---------- */

.signup { border-top: 1px solid var(--border); }

.signup-inner {
  max-width: 720px;
  margin: 0 auto;
  padding: 88px 24px;
  text-align: center;
}

.signup-inner h2 {
  margin: 0 0 18px;
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.14;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  color: var(--heading);
}

.signup-inner > p {
  margin: 0 auto 32px;
  font-size: 16px;
  line-height: 1.7;
  color: var(--muted);
  max-width: 560px;
  text-wrap: pretty;
}

.signup-form {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  align-items: center;
}

.signup-input {
  flex: 1 1 280px;
  max-width: 360px;
  font-family: var(--sans);
  font-size: 15px;
  color: var(--text);
  background: var(--card);
  border: 1px solid #56719B;
  padding: 13px 16px;
}
.signup-input::placeholder { color: var(--faint); }
.signup-input:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.signup-form .btn-primary { border: 1px solid var(--accent); cursor: pointer; }

.signup-fine {
  flex-basis: 100%;
  margin: 6px 0 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--faint);
}
.signup-fine a { color: var(--muted); }
.signup-fine a:hover { color: var(--accent); }

.signup-success {
  flex-basis: 100%;
  margin: 12px 0 0;
  font-family: var(--mono);
  font-size: 14px;
  letter-spacing: 0.02em;
  color: var(--accent);
}

/* ---------- Instruments page ---------- */

.instruments-list {
  list-style: none;
  margin: 0;
  padding: 0;
  max-width: 820px;
  counter-reset: instrument;
}

.instruments-list li {
  counter-increment: instrument;
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 20px;
  border-top: 1px solid var(--hairline);
  padding: 24px 0;
}

.instruments-list li::before {
  content: counter(instrument, decimal-leading-zero);
  font-family: var(--mono);
  font-size: 13px;
  color: var(--accent);
  padding-top: 3px;
}

.instruments-list h3 {
  margin: 0 0 6px;
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text);
}

.instruments-list p {
  margin: 0;
  font-size: 15px;
  line-height: 1.65;
  color: var(--muted);
  text-wrap: pretty;
}

.no-framework {
  max-width: 720px;
  margin: 48px 0 0;
  padding: 24px 0 0;
  border-top: 1px solid var(--border);
  font-family: var(--serif);
  font-size: 18px;
  line-height: 1.7;
  color: var(--mid);
  text-wrap: pretty;
}

/* ---------- Updates / timeline ---------- */

.timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  max-width: 760px;
}

.timeline li {
  border-top: 1px solid var(--hairline);
  padding: 22px 0;
}

.timeline .t-date {
  display: block;
  margin-bottom: 8px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
}

.timeline p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--mid);
  text-wrap: pretty;
}

.errata-empty {
  max-width: 760px;
  margin: 24px 0 0;
  font-size: 15px;
  color: var(--muted);
}
.errata-empty a { color: var(--accent); }

/* ---------- Prose (privacy, generic) ---------- */

.prose { max-width: 720px; }

.prose h2 {
  margin: 40px 0 12px;
  font-family: var(--display);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--heading);
}

.prose p, .prose li {
  font-size: 15px;
  line-height: 1.75;
  color: var(--mid);
  text-wrap: pretty;
}

.prose ul { padding-left: 20px; }
.prose li { margin-bottom: 8px; }
.prose a { color: var(--accent); }
.prose .meta { color: var(--faint); font-size: 13px; }

/* ---------- Essays ---------- */

.essay-list {
  list-style: none;
  margin: 0;
  padding: 0;
  max-width: 760px;
}

.essay-list li {
  border-top: 1px solid var(--hairline);
  padding: 28px 0;
}

.essay-list .e-date {
  display: block;
  margin-bottom: 8px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--faint);
}

.essay-list h2 {
  margin: 0 0 10px;
  font-family: var(--serif);
  font-weight: 500;
  font-size: 24px;
  line-height: 1.25;
  color: var(--heading);
}
.essay-list h2 a { color: inherit; text-decoration: none; }
.essay-list h2 a:hover { color: var(--accent); }

.essay-list p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
  text-wrap: pretty;
}

.essay-empty {
  max-width: 720px;
  font-size: 16px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- Essay article ---------- */

.article { max-width: 720px; }

.article .e-meta {
  margin: 0 0 8px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--faint);
}

.article .article-title {
  margin: 0 0 32px;
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.12;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  color: var(--heading);
  text-wrap: pretty;
}

.article-body { font-size: 17px; line-height: 1.75; color: var(--text); }
.article-body p { margin: 0 0 22px; text-wrap: pretty; }
.article-body h2 {
  margin: 44px 0 16px;
  font-family: var(--serif);
  font-weight: 600;
  font-size: 26px;
  line-height: 1.25;
  color: var(--heading);
}
.article-body h3 {
  margin: 32px 0 12px;
  font-family: var(--mono);
  font-size: 14px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text);
}
.article-body a { color: var(--accent); }
.article-body ul, .article-body ol { padding-left: 22px; margin: 0 0 22px; }
.article-body li { margin-bottom: 8px; }
.article-body blockquote {
  margin: 0 0 22px;
  padding-left: 20px;
  border-left: 3px solid var(--accent);
  font-family: var(--serif);
  font-style: italic;
  color: var(--mid);
}
.article-body code {
  font-family: var(--mono);
  font-size: 0.9em;
  background: var(--bg-alt);
  padding: 2px 6px;
}

.essay-standing {
  margin-top: 56px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}
.essay-standing .plug {
  margin: 0 0 8px;
  font-family: var(--serif);
  font-size: 17px;
  color: var(--mid);
}
.essay-standing .plug .title-ref { font-style: italic; color: var(--text); }

/* ---------- Quadrant assessment ---------- */

.quad-wrap { max-width: 760px; }

.quad-intro .quad-lead {
  margin: 0 0 32px;
  font-size: 19px;
  line-height: 1.6;
  color: var(--mid);
  max-width: 560px;
  text-wrap: pretty;
}
.quad-intro .btn-primary { border: 1px solid var(--accent); cursor: pointer; }
.quad-free {
  margin: 16px 0 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--faint);
}

/* progress */
.quad-progress { margin-bottom: 32px; }
.quad-progress-label {
  margin-bottom: 10px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}
.quad-progress-bar {
  height: 3px;
  background: var(--hairline);
  overflow: hidden;
}
.quad-progress-bar span {
  display: block;
  height: 100%;
  background: var(--accent);
  transition: width 0.25s ease;
}

/* question */
.quad-qtext {
  margin: 0 0 28px;
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(22px, 3vw, 28px);
  line-height: 1.3;
  color: var(--heading);
  text-wrap: pretty;
}
.quad-options { display: grid; gap: 12px; }
.quad-option {
  text-align: left;
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.5;
  color: var(--text);
  background: var(--card);
  border: 1px solid var(--border);
  padding: 18px 20px;
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease;
}
.quad-option:hover { border-color: var(--accent); }
.quad-option:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.quad-option.is-selected { border-color: var(--accent); background: var(--bg-alt); }

.quad-nav { margin-top: 28px; display: flex; gap: 12px; }
.quad-nav .btn-secondary { cursor: pointer; }

/* result */
.quad-figure {
  margin: 0 0 40px;
  border: 1px solid var(--border);
  background: #F3EDDE;
}
.quad-figure svg { display: block; width: 100%; height: auto; }

.quad-headline {
  margin: 0 0 8px;
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(24px, 3.2vw, 34px);
  line-height: 1.14;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  color: var(--heading);
}
.quad-headline .quad-place { color: var(--accent); }
.quad-note {
  margin: 0 0 24px;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--faint);
}
.quad-interp {
  margin: 0 0 28px;
  font-size: 17px;
  line-height: 1.75;
  color: var(--mid);
  text-wrap: pretty;
}
.quad-callout {
  margin: 0 0 28px;
  padding: 24px 26px;
  background: var(--bg-alt);
  border-left: 3px solid var(--accent);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  text-wrap: pretty;
}
.quad-callout strong { color: var(--accent); }
.quad-honesty {
  margin: 0 0 8px;
  padding-top: 24px;
  border-top: 1px solid var(--hairline);
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
  text-wrap: pretty;
}
.quad-honesty em { color: var(--mid); font-style: italic; }

.quad-gate { border-top: none; margin-top: 8px; }
.quad-gate .signup-inner { padding: 40px 0; text-align: left; }
.quad-gate .signup-inner > p { margin-left: 0; }
.quad-gate .signup-form { justify-content: flex-start; }
.quad-gate .signup-fine, .quad-gate .signup-success { text-align: left; }

.quad-share {
  margin-top: 8px;
  padding-top: 28px;
  border-top: 1px solid var(--hairline);
}
.quad-share .btn-secondary { cursor: pointer; }
.quad-share-note {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--faint);
  max-width: 520px;
}
.quad-retake {
  margin-top: 20px;
  display: inline-block;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.quad-retake:hover { color: var(--accent); }

.quad-fallback {
  max-width: 620px;
}
.quad-fallback > p {
  margin: 0 0 24px;
  font-size: 16px;
  line-height: 1.7;
  color: var(--mid);
}

/* ---------- Download page ---------- */

.download-wrap { max-width: 620px; }
.download-recap {
  margin: 0 0 32px;
  font-size: 17px;
  line-height: 1.7;
  color: var(--mid);
  text-wrap: pretty;
}
.download-auto {
  margin: 16px 0 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--faint);
}
.download-help {
  margin: 40px 0 0;
  font-size: 14px;
  color: var(--faint);
}
.download-help a { color: var(--muted); }

/* ---------- Small screens ---------- */

@media (max-width: 640px) {
  .section-pad { padding-top: 72px; padding-bottom: 72px; }
  .hero-grid { padding-top: 56px; padding-bottom: 64px; gap: 48px; }
  .nav-links { gap: 14px 18px; }
  .final-cta { padding-top: 88px; padding-bottom: 88px; }
  .signup-inner { padding: 64px 24px; }
  .instruments-list li { grid-template-columns: 36px 1fr; gap: 14px; }
}

/* ---------- Reduced motion ---------- */

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