:root {
  --ink: #172a35;
  --muted: #5b6d77;
  --line: #d8e3e4;
  --surface: #ffffff;
  --surface-soft: #f2f8f8;
  --brand: #0f6f70;
  --brand-dark: #0a4f50;
  --brand-soft: #dff1f0;
  --accent: #f0b429;
  --caution: #7b4c00;
  --caution-bg: #fff6df;
  --shadow: 0 18px 50px rgba(21, 55, 65, 0.08);
  --content-width: 72rem;
}
* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--surface);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

a {
  color: var(--brand);
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--brand-dark);
}

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

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 100;
  padding: 0.65rem 0.9rem;
  color: #ffffff;
  background: var(--brand-dark);
  border-radius: 0.4rem;
  transform: translateY(-180%);
}

.skip-link:focus {
  color: #ffffff;
  transform: translateY(0);
}

.site-header {
  color: #ffffff;
  background:
    radial-gradient(circle at 86% 18%, rgba(255, 255, 255, 0.14), transparent 22rem),
    linear-gradient(135deg, var(--brand) 0%, #183d4b 100%);
}

.site-header-inner,
.main-content,
.site-footer-inner {
  width: min(calc(100% - 2rem), var(--content-width));
  margin-inline: auto;
}

.site-header-inner {
  padding: 1.4rem 0 2rem;
}

.brand-row,
.header-summary,
.site-footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.site-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: #ffffff;
  font-size: 1.12rem;
  font-weight: 750;
  text-decoration: none;
}

.site-brand:hover {
  color: #ffffff;
}

.site-brand small {
  margin-left: 0.32rem;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.brand-mark {
  display: grid;
  width: 2.4rem;
  height: 2.4rem;
  place-items: center;
  color: var(--brand-dark);
  background: #ffffff;
  border-radius: 0.7rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-weight: 800;
}

.language-nav {
  display: inline-flex;
  padding: 0.22rem;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 999px;
}

.language-nav a {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  padding: 0.35rem 0.7rem;
  color: rgba(255, 255, 255, 0.84);
  border-radius: 999px;
  font-size: 0.84rem;
  text-decoration: none;
}

.language-nav a[aria-current="page"] {
  color: var(--brand-dark);
  background: #ffffff;
  font-weight: 700;
}

.header-summary {
  align-items: flex-end;
  margin-top: 2rem;
}

.header-summary > p {
  max-width: 39rem;
  margin: 0;
  color: rgba(255, 255, 255, 0.9);
  font-size: clamp(1rem, 2vw, 1.18rem);
}

.header-summary ul {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.35rem 1rem;
  margin: 0;
  padding: 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.8rem;
  list-style: none;
}

.header-summary a {
  color: #ffffff;
}

.main-content {
  padding: clamp(2.5rem, 7vw, 5.25rem) 0;
}

.main-content > h1 {
  max-width: 50rem;
  margin: 0 0 1rem;
  color: var(--ink);
  font-size: clamp(2.35rem, 7vw, 4.75rem);
  line-height: 1.04;
  letter-spacing: -0.045em;
}

.main-content > h1 + p {
  max-width: 48rem;
  margin: 0;
  color: var(--muted);
  font-size: clamp(1.03rem, 2vw, 1.22rem);
}

.main-content > h2 {
  margin-top: 4.5rem;
  font-size: clamp(1.7rem, 4vw, 2.35rem);
  letter-spacing: -0.025em;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 2rem 0 1.4rem;
}

.button {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 1rem;
  color: var(--brand-dark);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 0.65rem;
  font-weight: 700;
  text-decoration: none;
}

.button:hover {
  color: var(--brand-dark);
  background: var(--surface-soft);
  border-color: #acc8c9;
}

.button-primary,
.button-primary:hover {
  color: #ffffff;
  background: var(--brand);
  border-color: var(--brand);
}

.catalog-note {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 0.55rem;
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.catalog-note strong {
  color: var(--ink);
}

.path-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.9rem;
  margin: 3.5rem 0 5rem;
}

.path-card {
  display: flex;
  min-height: 15.5rem;
  flex-direction: column;
  padding: 1.25rem;
  color: var(--ink);
  background: linear-gradient(180deg, #ffffff 0%, var(--surface-soft) 100%);
  border: 1px solid var(--line);
  border-radius: 1rem;
  box-shadow: var(--shadow);
  text-decoration: none;
  transition: transform 160ms ease, border-color 160ms ease;
}

.path-card:hover {
  color: var(--ink);
  border-color: #9dbfc0;
  transform: translateY(-3px);
}

.path-number,
.section-eyebrow {
  color: var(--brand);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.path-card strong {
  margin: 1.6rem 0 0.55rem;
  font-size: 1.15rem;
  line-height: 1.3;
}

.path-card > span:not(.path-number) {
  color: var(--muted);
  font-size: 1rem;
}

.path-card small {
  margin-top: auto;
  padding-top: 1rem;
  color: var(--brand);
  font-weight: 700;
}

.path-section {
  margin: 5rem 0;
  scroll-margin-top: 1.5rem;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(14rem, 0.75fr) minmax(18rem, 1.25fr);
  gap: 2rem;
  align-items: end;
  margin-bottom: 1.5rem;
  padding-bottom: 1.2rem;
  border-bottom: 1px solid var(--line);
}

.section-heading h2 {
  margin: 0.3rem 0 0;
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  letter-spacing: -0.03em;
}

.section-heading > p {
  margin: 0;
  color: var(--muted);
}

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

.resource-card {
  display: flex;
  min-width: 0;
  flex-direction: column;
  padding: 1.25rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 0.9rem;
}

.resource-card.featured {
  border-color: #86b8b9;
  box-shadow: inset 0 3px 0 var(--brand);
}

.resource-card-header {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
}

.source-badge,
.featured-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.16rem 0.48rem;
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.source-badge {
  color: var(--brand-dark);
  background: var(--brand-soft);
}

.featured-badge {
  color: #6d4600;
  background: #fff0bd;
}

.resource-card h3 {
  margin: 1rem 0 0.5rem;
  font-size: 1.15rem;
  line-height: 1.35;
}

.resource-card h3 a {
  color: var(--ink);
  text-decoration-thickness: 1px;
  text-decoration-color: #a9c8c9;
}

.resource-card h3 a::after {
  content: " ↗";
  color: var(--brand);
  font-size: 0.78em;
}

.resource-card > p:not(.resource-caution) {
  margin: 0;
  color: var(--muted);
  font-size: 1rem;
}

.resource-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem 0.8rem;
  margin: auto 0 0;
  padding: 1.2rem 0 0;
  color: var(--muted);
  font-size: 0.74rem;
  list-style: none;
  text-transform: capitalize;
}

.resource-meta li:not(:first-child)::before {
  content: "·";
  margin-right: 0.8rem;
  color: #9aa9ae;
}

.resource-caution {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 0.45rem;
  margin: 0.85rem 0 0;
  padding: 0.55rem 0.7rem;
  color: var(--caution);
  background: var(--caution-bg);
  border-radius: 0.5rem;
  font-size: 1rem;
}

.site-footer {
  padding: 2rem 0;
  color: var(--muted);
  background: var(--surface-soft);
  border-top: 1px solid var(--line);
}

.site-footer p {
  margin: 0;
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.site-footer a {
  font-weight: 650;
}

@media (max-width: 58rem) {
  .path-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .path-card {
    min-height: 13rem;
  }
}

@media (max-width: 42rem) {
  .brand-row,
  .header-summary,
  .site-footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .site-brand small {
    display: block;
    margin: 0;
  }

  .header-summary ul {
    justify-content: flex-start;
  }

  .path-grid,
  .resource-grid,
  .section-heading {
    grid-template-columns: 1fr;
  }

  .path-grid {
    margin-bottom: 4rem;
  }

  .path-card {
    min-height: 0;
  }

  .section-heading {
    gap: 0.75rem;
  }

  .cta-row .button {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .path-card {
    transition: none;
  }
}

@media print {
  .site-header,
  .site-footer,
  .cta-row,
  .path-grid {
    display: none;
  }

  .main-content {
    width: 100%;
    padding: 0;
  }

  .resource-card {
    break-inside: avoid;
  }
}