@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@400;500;600;700&family=Fraunces:opsz,wght@9..144,600;9..144,700&display=swap");

:root {
  --paper: #f2ede3;
  --paper-deep: #e0d8ca;
  --ink: #171717;
  --ink-soft: #4f4a44;
  --border: #26221d;
  --line: rgba(23, 23, 23, 0.22);
  --rust: #b6522f;
  --olive: #66705b;
  --ash: #d9d1c4;
  --light: #faf7f1;
  --dark-panel: #191816;
  --container: 1160px;
  --radius: 22px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  line-height: 1.65;
  background:
    linear-gradient(90deg, rgba(23, 23, 23, 0.04) 0, rgba(23, 23, 23, 0.04) 1px, transparent 1px, transparent 72px),
    linear-gradient(180deg, #f7f2ea 0%, var(--paper) 100%);
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: min(calc(100% - 2rem), var(--container));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(242, 237, 227, 0.94);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}

.topbar {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.65rem 0;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.nav-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0 1.2rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 3.2rem;
  height: 3.2rem;
  border-radius: 0.9rem;
  border: 1px solid var(--border);
  background: var(--light);
  font-weight: 700;
  letter-spacing: 0.06em;
}

.brand-copy {
  display: grid;
  gap: 0.14rem;
}

.brand-copy strong,
h1,
h2,
h3 {
  font-family: "Fraunces", Georgia, serif;
}

.brand-copy span {
  color: var(--ink-soft);
  font-size: 0.9rem;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.45rem;
}

.site-nav a {
  padding: 0.7rem 0.9rem;
  border: 1px solid transparent;
  border-radius: 999px;
  color: var(--ink-soft);
  font-weight: 600;
  transition: transform 180ms ease, border-color 180ms ease, background-color 180ms ease;
}

.site-nav a:hover,
.site-nav a.is-active {
  transform: translateY(-1px);
  border-color: var(--border);
  background: var(--light);
  color: var(--ink);
}

.hero-manual,
.page-shell,
.policy-page {
  padding-top: 3rem;
}

.hero-grid,
.split-grid,
.policy-layout,
.card-grid,
.ledger-grid,
.footer-grid {
  display: grid;
  gap: 1.2rem;
}

.hero-grid,
.split-grid {
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  align-items: start;
}

.page-intro,
.section,
.policy-page {
  padding-bottom: 2rem;
}

.hero-copy h1,
.page-intro h1 {
  margin: 0.35rem 0 1rem;
  font-size: clamp(2.8rem, 6vw, 5.4rem);
  line-height: 0.97;
  letter-spacing: -0.04em;
  max-width: 11ch;
}

.page-intro h1 {
  max-width: 15ch;
}

.lead,
.hero-copy p,
.page-intro p,
.section-shell p,
.signal-card p,
.feature-panel p,
.ledger-card p,
.policy-block p,
.footer-grid p {
  color: var(--ink-soft);
}

.kicker,
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.4rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--light);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.section-tag-light {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.44);
  color: #f5efe7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.75rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.2rem;
  padding: 0.85rem 1.2rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  font-weight: 700;
  transition: transform 180ms ease, background-color 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  background: var(--ink);
  color: var(--light);
}

.button-secondary {
  background: var(--light);
}

.hero-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
}

.hero-pills li {
  padding: 0.65rem 0.85rem;
  border: 1px dashed var(--border);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.38);
  font-weight: 600;
}

.signal-board,
.feature-stack {
  display: grid;
  gap: 1rem;
}

.signal-card,
.feature-panel,
.ledger-card,
.policy-nav,
.policy-block,
.section-shell,
.callout-band {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: rgba(250, 247, 241, 0.84);
  box-shadow: 0 12px 30px rgba(23, 23, 23, 0.06);
}

.signal-card,
.feature-panel,
.ledger-card,
.policy-block {
  padding: 1.35rem;
}

.signal-card h2,
.signal-card h3,
.feature-panel h3,
.ledger-card strong,
.policy-block h2 {
  margin: 0 0 0.55rem;
}

.signal-card-strong {
  background: linear-gradient(135deg, var(--ink) 0%, #2b2926 100%);
  color: var(--light);
}

.signal-card-strong p {
  color: rgba(250, 247, 241, 0.78);
}

.signal-label,
.signal-index {
  display: inline-block;
  margin-bottom: 0.85rem;
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--rust);
}

.signal-card-strong .signal-label {
  color: #f1d0be;
}

.section-shell,
.callout-band {
  padding: 1.4rem;
}

.section-heading {
  margin-bottom: 1.2rem;
}

.section-heading h2,
.split-grid h2,
.callout-band h2 {
  margin: 0.55rem 0 0.75rem;
  font-size: clamp(2rem, 4vw, 3.5rem);
  line-height: 1.06;
}

.ledger-grid,
.card-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.split-grid.reverse-grid {
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
}

.section-accent .section-shell,
.section-accent .feature-panel,
.section-accent .signal-card,
.section-accent .ledger-card,
.section-accent .policy-block {
  background: rgba(224, 216, 202, 0.62);
}

.section-dark .callout-band {
  background: var(--dark-panel);
  color: var(--light);
}

.contact-rail {
  display: grid;
  gap: 0.8rem;
}

.contact-rail a {
  display: block;
  padding: 0.9rem 1rem;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 1rem;
}

.callout-band {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
  align-items: center;
  gap: 1.2rem;
}

.policy-layout {
  grid-template-columns: minmax(240px, 280px) minmax(0, 1fr);
  align-items: start;
}

.policy-nav {
  position: sticky;
  top: 8rem;
  display: grid;
  gap: 0.6rem;
  padding: 1.3rem;
}

.policy-nav a {
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--line);
  color: var(--ink-soft);
}

.policy-content {
  display: grid;
  gap: 1rem;
}

.site-footer {
  padding: 1rem 0 2.5rem;
}

.footer-grid {
  grid-template-columns: 1.25fr 0.8fr 0.8fr 1fr;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
}

.footer-grid h3 {
  margin-top: 0;
  margin-bottom: 0.65rem;
}

.footer-grid a {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--ink-soft);
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 600ms ease, transform 600ms ease;
}

.js-ready .reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 960px) {
  .hero-grid,
  .split-grid,
  .split-grid.reverse-grid,
  .policy-layout,
  .callout-band,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .policy-nav {
    position: static;
  }

  .ledger-grid,
  .card-grid {
    grid-template-columns: 1fr;
  }

  .nav-shell {
    flex-direction: column;
    align-items: flex-start;
  }

  .site-nav {
    justify-content: flex-start;
  }
}

@media (max-width: 640px) {
  body {
    background:
      linear-gradient(180deg, rgba(23, 23, 23, 0.03) 0, rgba(23, 23, 23, 0.03) 1px, transparent 1px, transparent 56px),
      linear-gradient(180deg, #f7f2ea 0%, var(--paper) 100%);
  }

  .hero-copy h1,
  .page-intro h1 {
    font-size: clamp(2.2rem, 12vw, 3.5rem);
  }

  .topbar {
    flex-direction: column;
  }
}