:root {
  --bg: #f4efe4;
  --bg-strong: #e8dcc7;
  --surface: rgba(255, 250, 240, 0.84);
  --surface-strong: rgba(255, 248, 236, 0.96);
  --ink: #1a1713;
  --muted: #5a4f44;
  --line: rgba(38, 29, 21, 0.12);
  --accent: #133c33;
  --accent-2: #9b5b2e;
  --accent-soft: rgba(19, 60, 51, 0.08);
  --shadow: 0 20px 50px rgba(34, 25, 18, 0.12);
  --radius-lg: 28px;
  --radius-md: 18px;
  --max-width: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "IBM Plex Sans", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(155, 91, 46, 0.15), transparent 30%),
    radial-gradient(circle at top right, rgba(19, 60, 51, 0.17), transparent 24%),
    linear-gradient(180deg, #f8f4eb 0%, var(--bg) 44%, #efe6d6 100%);
  min-height: 100vh;
}

a {
  color: inherit;
}

.site-shell {
  width: min(calc(100% - 2rem), var(--max-width));
  margin: 0 auto;
  padding: 1rem 0 3rem;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1rem 0 1.5rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
  text-decoration: none;
}

.brand-mark {
  display: block;
  width: 3rem;
  height: 3rem;
  object-fit: contain;
  border-radius: 0.9rem;
  background: #091014;
  padding: 0.22rem;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.06);
}

.brand-text {
  font-weight: 600;
}

.topnav {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.topnav a {
  text-decoration: none;
  color: var(--muted);
}

.topnav a[aria-current="page"],
.topnav a:hover,
.topnav a:focus-visible {
  color: var(--ink);
}

.hero,
.page-hero,
.section,
.page-section,
.footer {
  animation: rise 560ms ease both;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(280px, 0.8fr);
  gap: 1.5rem;
  align-items: stretch;
  margin-bottom: 1.5rem;
}

.hero-copy,
.hero-panel,
.page-hero,
.section,
.page-section {
  background: var(--surface);
  border: 1px solid var(--line);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow);
}

.hero-copy,
.page-hero {
  border-radius: var(--radius-lg);
  padding: 2.2rem;
}

.hero-logo {
  display: block;
  width: min(100%, 520px);
  height: auto;
  margin: 0 0 1.2rem;
  filter: drop-shadow(0 12px 28px rgba(0, 0, 0, 0.08));
}

.hero h1,
.page-hero h1,
.section-heading h2,
.page-section h2,
.branch-card h3,
.signal-card h3,
.project-card h2,
.stack-card h2,
.focus-list h3 {
  font-family: "Fraunces", serif;
  line-height: 1.05;
}

.hero h1,
.page-hero h1 {
  font-size: clamp(2.5rem, 4vw, 4.6rem);
  margin: 0.2rem 0 1rem;
  max-width: 12ch;
}

.hero-text,
.page-hero p {
  font-size: 1.08rem;
  line-height: 1.7;
  color: var(--muted);
  max-width: 66ch;
}

.eyebrow,
.card-kicker,
.metric-label {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.78rem;
  color: var(--accent);
  font-weight: 600;
}

.hero-actions {
  display: flex;
  gap: 0.9rem;
  flex-wrap: wrap;
  margin-top: 1.5rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.75rem 1.2rem;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
}

.button-primary {
  background: var(--accent);
  color: #f9f5ec;
}

.button-secondary {
  background: transparent;
  color: var(--accent);
  border: 1px solid rgba(19, 60, 51, 0.28);
}

.hero-panel,
.meta-panel {
  border-radius: var(--radius-lg);
  padding: 1rem;
  display: grid;
  gap: 0.85rem;
}

.metric-card,
.meta-item {
  background: var(--surface-strong);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 1rem;
}

.metric-value {
  margin: 0.35rem 0 0;
  font-weight: 600;
  line-height: 1.45;
}

.section,
.page-section {
  border-radius: var(--radius-lg);
  padding: 1.7rem;
  margin: 1.3rem 0;
}

.section-heading {
  margin-bottom: 1.3rem;
}

.section-heading h2,
.page-section h2 {
  font-size: clamp(1.8rem, 2vw, 2.8rem);
  margin: 0.25rem 0 0;
}

.two-column-copy {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem;
}

.two-column-copy p,
.prose p,
.branch-card p,
.signal-card p,
.project-card p,
.stack-card p,
.focus-list p {
  color: var(--muted);
  line-height: 1.72;
  margin: 0;
}

.card-grid,
.signal-grid,
.project-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.branch-card,
.signal-card,
.project-card,
.stack-card {
  background: var(--surface-strong);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 1.2rem;
}

.branch-card h3,
.signal-card h3,
.focus-list h3,
.stack-card h2,
.project-card h2 {
  margin: 0.3rem 0 0.7rem;
  font-size: 1.45rem;
}

.section-highlight {
  background:
    linear-gradient(180deg, rgba(19, 60, 51, 0.06), rgba(19, 60, 51, 0.02)),
    var(--surface);
}

.focus-list {
  display: grid;
  gap: 1rem;
}

.focus-list article {
  padding: 0 0 1rem;
  border-bottom: 1px solid var(--line);
}

.focus-list article:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.card-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem 1rem;
  margin-top: 0.9rem !important;
}

.card-links a,
.project-examples a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
}

.card-links a:hover,
.card-links a:focus-visible,
.project-examples a:hover,
.project-examples a:focus-visible,
.link-stack a:hover,
.link-stack a:focus-visible {
  text-decoration: underline;
  text-underline-offset: 0.18em;
}

.contact-strip {
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  align-items: end;
}

.contact-strip h2 {
  margin: 0.25rem 0 0;
}

.link-stack {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.link-stack a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
}

.contact-panel {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.contact-panel a,
.prose a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
}

.contact-panel a:hover,
.contact-panel a:focus-visible,
.prose a:hover,
.prose a:focus-visible {
  text-decoration: underline;
  text-underline-offset: 0.18em;
}

.page {
  display: grid;
  gap: 1.2rem;
}

.convergence-page .page {
  display: block;
}

.prose h2 {
  margin-top: 0;
}

.branch-stack {
  display: grid;
  gap: 1rem;
}

.stewardship-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.evidence-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.evidence-levels {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.convergence-stack {
  display: grid;
  gap: 1rem;
}

.convergence-card {
  background: var(--surface-strong);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 1.2rem;
}

.convergence-card h3 {
  font-family: "Fraunces", serif;
  font-size: 1.4rem;
  line-height: 1.08;
  margin: 0.3rem 0 0.9rem;
}

.convergence-card p {
  color: var(--muted);
  line-height: 1.72;
  margin: 0.45rem 0 0;
}

.project-examples {
  margin-top: 0.8rem !important;
  color: var(--ink) !important;
  font-weight: 600;
}

.repo-directory-copy {
  display: grid;
  gap: 0.9rem;
}

.repo-directory-copy p {
  color: var(--muted);
  line-height: 1.72;
  margin: 0;
}

.repo-summary-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.repo-directory-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.repo-card {
  background: var(--surface-strong);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 1.2rem;
}

.repo-card-header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: start;
  margin-bottom: 0.8rem;
}

.repo-card h3 {
  font-family: "Fraunces", serif;
  font-size: 1.4rem;
  line-height: 1.08;
  margin: 0;
}

.repo-card p {
  color: var(--muted);
  line-height: 1.72;
  margin: 0;
}

.repo-card .card-links {
  margin-top: 1rem !important;
}

.repo-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1rem;
}

.repo-pill {
  display: inline-flex;
  align-items: center;
  min-height: 2rem;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.92rem;
  font-weight: 600;
}

.footer {
  border-radius: var(--radius-lg);
  padding: 1.4rem 1.7rem;
  text-align: center;
  color: var(--muted);
  margin-top: 1.5rem;
}

.footer p {
  margin: 0.2rem 0;
}

code {
  font-family: "IBM Plex Sans", sans-serif;
  background: var(--accent-soft);
  padding: 0.15rem 0.35rem;
  border-radius: 0.35rem;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 980px) {
  .hero,
  .two-column-copy,
  .card-grid,
  .signal-grid,
  .project-grid,
  .repo-summary-grid,
  .repo-directory-grid,
  .stewardship-grid,
  .evidence-grid,
  .evidence-levels,
  .contact-panel,
  .contact-strip {
    grid-template-columns: 1fr;
    flex-direction: column;
  }

  .hero {
    display: grid;
  }

  .contact-strip {
    align-items: start;
  }
}

@media (max-width: 720px) {
  .site-shell {
    width: min(calc(100% - 1rem), var(--max-width));
  }

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

  .hero-copy,
  .page-hero,
  .section,
  .page-section {
    padding: 1.35rem;
  }

  .hero h1,
  .page-hero h1 {
    max-width: none;
  }

  .convergence-page .page-hero,
  .convergence-page .page-section,
  .convergence-page .footer {
    animation: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }

  .convergence-page .convergence-card,
  .convergence-page .stack-card,
  .convergence-page .meta-item {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }
}