/* ProcessJig — Variant A (faithful-to-spec, copy revision 2026-05-01b)
   Visual direction: warm cream + terra cotta, serif-led, refined-minimal,
   "well-lit Sunday morning" register. No animation beyond hover/focus. */

/* ---------- Tokens ---------- */
:root {
  --bg:           #FAF6F0;  /* warm cream base */
  --bg-card:      #F6F1E8;  /* hero/chain card fill */
  --bg-ribbon:    #F2EBDF;  /* beta ribbon band */
  --ink:          #211C16;  /* deep warm near-black */
  --ink-muted:    #6B5F54;  /* warm grey for captions/footer */
  --ink-faint:    #8A7E72;  /* warm grey, lighter — for de-emphasized footnotes */
  --rule:         #E5DDD2;  /* dividers, card borders */
  --accent:       #C8553D;  /* terra cotta — rationed */
  --accent-deep:  #A8442F;  /* terra cotta on hover */

  --font-serif: 'Source Serif 4', 'Source Serif Pro', Georgia, 'Times New Roman', serif;
  --font-sans:  'Inter', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;

  --content-max: 1120px;
  --prose-max:    640px;

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;
  --space-9: 6rem;
  --space-10: 8rem;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 1.0625rem;          /* 17px body */
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "kern", "liga", "onum";
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; }

/* Focus ring — visible, warm, accessible */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}
:focus:not(:focus-visible) { outline: none; }

/* ---------- Layout primitives ---------- */
.container {
  width: 100%;
  max-width: var(--content-max);
  margin-inline: auto;
  padding-inline: var(--space-5);
}
@media (min-width: 768px) {
  .container { padding-inline: var(--space-7); }
}

.prose {
  max-width: var(--prose-max);
  margin-inline: auto;
}

/* Tighter section rhythm than original — was 8/9/10, now 7/8/9 */
section { padding-block: var(--space-7); }
@media (min-width: 768px) {
  section { padding-block: var(--space-8); }
}
@media (min-width: 1280px) {
  section { padding-block: var(--space-9); }
}

/* ---------- Top nav ---------- */
.site-header {
  border-bottom: 1px solid var(--rule);
  background: var(--bg);
}
/* Tightened from --space-5 to --space-4 — top ribbon was eating too much hero room */
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-4);
}
.wordmark {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 1.375rem;
  letter-spacing: -0.01em;
  color: var(--ink);
  text-decoration: none;
}
.wordmark .mark { color: var(--accent); }
.wordmark:hover .mark { color: var(--accent-deep); }

.nav {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}
.nav a {
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  color: var(--ink-muted);
  text-decoration: none;
  transition: color 160ms ease;
}
.nav a:hover { color: var(--ink); }
.nav .ghost {
  border: 1px solid var(--rule);
  border-radius: 999px;
  padding: 0.5rem 1rem;
  color: var(--ink);
  transition: border-color 160ms ease, color 160ms ease, background 160ms ease;
}
.nav .ghost:hover {
  border-color: var(--ink);
  background: var(--bg-card);
}

/* ---------- Hero ---------- */
/* Tightened: top padding reduced to bring headline up from ~40% to ~20% of viewport */
.hero {
  text-align: center;
  padding-block: var(--space-6) var(--space-8);
}
@media (min-width: 768px) {
  .hero { padding-block: var(--space-8) var(--space-9); }
}
/* H1 sits below the chain visual as supporting copy — moderate scale, not display weight */
.hero__h1 {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: clamp(1.375rem, 1.4vw + 1rem, 2rem);
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin: 0 auto var(--space-6);
  max-width: 32ch;
  color: var(--ink);
}
/* Hero CTA wrapper */
.hero__cta {
  display: flex;
  justify-content: center;
  margin: 0 auto var(--space-7);
}

/* Hero chain — primary visual, sits above the supporting H1 */
.hero-chain {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  margin: 0 0 var(--space-7);
}
.hero-chain__box {
  flex: 0 0 auto;
  min-width: 200px;
  padding: 1rem 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--rule);
  border-radius: 14px;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 1.125rem;
  color: var(--ink);
  text-align: center;
}
.hero-chain__arrow {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 1.25rem;
  color: var(--ink-muted);
  line-height: 1;
  transform: rotate(90deg);
}
@media (min-width: 768px) {
  .hero-chain {
    flex-direction: row;
    justify-content: center;
    gap: var(--space-4);
  }
  .hero-chain__box {
    min-width: 180px;
    font-size: 1.25rem;
    padding: 1.125rem 1.75rem;
  }
  .hero-chain__arrow {
    transform: rotate(0);
    font-size: 1.5rem;
  }
}

/* ---------- Section heading shared ---------- */
.section-h {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(1.625rem, 1.5vw + 1rem, 2.375rem);
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--ink);
  margin: 0 0 var(--space-5);
  text-align: center;
}

/* ---------- How it works (merged: lede + chain stages + closing line) ---------- */
.how {
  border-top: 1px solid var(--rule);
}
.how__lede {
  max-width: var(--prose-max);
  margin: 0 auto var(--space-7);
  text-align: center;
  font-size: 1.125rem;
  line-height: 1.6;
  color: var(--ink);
}
.chain__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
  margin-top: 0;
}
@media (min-width: 920px) {
  .chain__grid {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-5);
  }
}
.stage {
  padding: var(--space-5);
  background: var(--bg-card);
  border: 1px solid var(--rule);
  border-radius: 14px;
}
.stage__name {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.0625rem;
  letter-spacing: -0.005em;
  margin: 0 0 var(--space-3);
  color: var(--ink);
}
.stage__copy {
  font-size: 1rem;
  line-height: 1.55;
  color: var(--ink-muted);
  margin: 0;
}
.how__close {
  margin: var(--space-7) auto 0;
  max-width: 640px;
  text-align: center;
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--ink-muted);
  font-size: 1.0625rem;
}

/* ---------- Who it's for (fit lede + privacy footnote) ---------- */
.who {
  border-top: 1px solid var(--rule);
}
.who__lede {
  max-width: 640px;
  margin: 0 auto var(--space-6);
  text-align: center;
  font-size: 1.25rem;
  line-height: 1.45;
  color: var(--ink);
}
.who__privacy {
  text-align: center;
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  color: var(--ink-faint);
  margin: 0;
}
.who__privacy a {
  color: var(--ink-faint);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.who__privacy a:hover { color: var(--accent); }

/* ---------- Beta ribbon ---------- */
.ribbon {
  background: var(--bg-ribbon);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  padding-block: var(--space-6);
  text-align: center;
}
.ribbon p {
  max-width: 680px;
  margin: 0 auto;
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--ink);
}

/* ---------- Final CTA ---------- */
.cta {
  text-align: center;
  padding-block: var(--space-8);
}
@media (min-width: 768px) {
  .cta { padding-block: var(--space-9); }
}
.cta__btn {
  display: inline-block;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 1.125rem;
  line-height: 1.2;
  background: var(--accent);
  color: #FFF8F0;
  text-decoration: none;
  padding: 1rem 2rem;
  border-radius: 999px;
  letter-spacing: -0.005em;
  transition: background 160ms ease, transform 160ms ease, box-shadow 160ms ease;
  box-shadow: 0 1px 0 rgba(33, 28, 22, 0.04);
}
.cta__btn:hover {
  background: var(--accent-deep);
  box-shadow: 0 6px 18px rgba(168, 68, 47, 0.18);
  transform: translateY(-1px);
}
.cta__btn:active { transform: translateY(0); }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--rule);
  background: var(--bg);
  padding-block: var(--space-6);
}
.site-footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  color: var(--ink-muted);
}
.site-footer a {
  color: var(--ink-muted);
  text-decoration: none;
  transition: color 160ms ease;
}
.site-footer a:hover { color: var(--ink); text-decoration: underline; text-underline-offset: 3px; }
@media (min-width: 768px) {
  .site-footer__inner {
    flex-direction: row;
    justify-content: space-between;
    gap: var(--space-5);
  }
}

/* ---------- Privacy page ---------- */
.privacy main { padding-block: var(--space-8) var(--space-9); }
@media (min-width: 768px) {
  .privacy main { padding-block: var(--space-9) var(--space-10); }
}
.privacy__title {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(2rem, 2vw + 1rem, 2.75rem);
  line-height: 1.15;
  letter-spacing: -0.015em;
  margin: 0 0 var(--space-3);
  color: var(--ink);
}
.privacy__lede {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.125rem;
  line-height: 1.55;
  color: var(--ink-muted);
  margin: 0 0 var(--space-7);
}
.privacy h2 {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.005em;
  margin: var(--space-7) 0 var(--space-3);
  color: var(--ink);
}
.privacy h2:first-of-type { margin-top: var(--space-5); }
.privacy p {
  margin: 0 0 var(--space-4);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--ink);
}
.privacy p:last-child { margin-bottom: 0; }

/* ---------- Skip link ---------- */
.skip {
  position: absolute;
  top: -40px;
  left: var(--space-4);
  background: var(--ink);
  color: var(--bg);
  padding: 0.5rem 0.875rem;
  border-radius: 6px;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  text-decoration: none;
  z-index: 100;
  transition: top 160ms ease;
}
.skip:focus { top: var(--space-4); }