:root {
  color-scheme: light;
  --ink: #16211b;
  --muted: #56645c;
  --paper: #f3f1e9;
  --surface: #fffdf7;
  --soft: #eaf2ed;
  --line: #cfd8d1;
  --accent: #276a52;
  --accent-dark: #174b39;
  --focus: #064b37;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--paper);
  color: var(--ink);
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", sans-serif;
}

a {
  color: inherit;
}

a:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 4px;
  border-radius: 4px;
}

.skip-link {
  position: fixed;
  z-index: 10;
  top: 8px;
  left: 8px;
  padding: 10px 14px;
  border-radius: 8px;
  background: var(--ink);
  color: #ffffff;
  font-weight: 750;
  transform: translateY(-150%);
}

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

.shell {
  width: min(1080px, calc(100% - 32px));
  margin: 0 auto;
}

.site-header {
  padding: 18px 0;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px 28px;
}

.brand {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  gap: 12px;
  padding: 3px 2px;
  color: var(--ink);
  font-weight: 780;
  letter-spacing: 0.13em;
  text-decoration: none;
  text-transform: uppercase;
}

.brand-mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border-radius: 11px;
  background: var(--accent);
  color: #ffffff;
  letter-spacing: 0;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 2px 20px;
}

.site-nav a {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  color: var(--accent-dark);
  font-size: 0.92rem;
  font-weight: 720;
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  text-decoration: underline;
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.3em;
}

.hero {
  padding: clamp(28px, 5vw, 58px) 0 clamp(34px, 5vw, 54px);
}

.kicker {
  margin: 0 0 16px;
  color: var(--accent-dark);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1 {
  max-width: 900px;
  margin: 0;
  font-size: clamp(2.35rem, 6vw, 4.6rem);
  line-height: 1.01;
  letter-spacing: -0.048em;
}

.lead {
  max-width: 760px;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: clamp(1.05rem, 2.1vw, 1.3rem);
}

.projects {
  padding-bottom: 64px;
}

.section-heading {
  margin: 0 0 18px;
  font-size: 1.1rem;
  letter-spacing: -0.01em;
}

.project-card {
  display: grid;
  gap: 13px;
  padding: clamp(24px, 4vw, 36px);
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--surface);
  box-shadow: 0 18px 54px rgba(22, 33, 27, 0.06);
  color: var(--ink);
  text-decoration: none;
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

.project-card:hover {
  border-color: #8da99b;
  box-shadow: 0 22px 62px rgba(22, 33, 27, 0.1);
  transform: translateY(-3px);
}

.status {
  width: fit-content;
  padding: 5px 10px;
  border-radius: 999px;
  background: var(--soft);
  color: var(--accent-dark);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.project-card h2 {
  margin: 0;
  font-size: clamp(1.42rem, 3vw, 2.05rem);
  line-height: 1.15;
  letter-spacing: -0.025em;
}

.project-card p {
  max-width: 720px;
  margin: 0;
  color: var(--muted);
}

.card-link {
  margin-top: 6px;
  color: var(--accent-dark);
  font-weight: 760;
  text-decoration: underline;
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.2em;
}

.resources {
  padding-bottom: 84px;
}

.section-intro {
  max-width: 760px;
  margin-bottom: 24px;
}

.section-intro .section-heading {
  font-size: clamp(1.55rem, 3vw, 2.35rem);
  line-height: 1.14;
}

.section-intro p:last-child {
  margin: 0;
  color: var(--muted);
}

.resource-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

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

.resource-card {
  display: flex;
  min-height: 235px;
  flex-direction: column;
  align-items: flex-start;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 253, 247, 0.7);
  color: var(--ink);
  text-decoration: none;
  transition: border-color 0.18s ease, background 0.18s ease;
}

.resource-card:hover {
  border-color: #8da99b;
  background: var(--surface);
}

.resource-card h3 {
  margin: 12px 0 8px;
  font-size: 1.22rem;
  line-height: 1.2;
}

.resource-card p {
  margin: 0 0 20px;
  color: var(--muted);
}

.resource-card .card-link {
  margin-top: auto;
}

.resource-number,
.term-label {
  color: var(--accent-dark);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.site-footer {
  padding: 28px 0 38px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
}

.footer-inner {
  display: grid;
  gap: 14px;
}

.footer-inner p {
  max-width: 900px;
  margin: 0;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 18px;
}

.footer-nav a,
.back-link {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  color: var(--accent-dark);
  font-weight: 720;
  text-decoration: underline;
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.2em;
}

.project-main,
.document-main {
  padding: clamp(34px, 6vw, 72px) 0 84px;
}

.breadcrumbs {
  display: flex;
  min-height: 44px;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 30px;
  color: var(--muted);
  font-size: 0.92rem;
}

.breadcrumbs a {
  color: var(--accent-dark);
  font-weight: 720;
  text-decoration: underline;
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.2em;
}

.back-link {
  margin-bottom: 36px;
}

.project-main h1,
.document-main h1 {
  max-width: 920px;
  font-size: clamp(2.25rem, 5.6vw, 4.75rem);
}

.notice {
  max-width: 860px;
  margin: 36px 0;
  padding: 22px 24px;
  border-left: 4px solid var(--accent);
  border-radius: 4px 15px 15px 4px;
  background: var(--soft);
}

.content-grid {
  display: grid;
  max-width: 920px;
  margin-top: 36px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.info-card {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface);
}

.info-card h2,
.document-section h2 {
  margin: 0 0 10px;
  font-size: 1.18rem;
}

.info-card p,
.info-card ul,
.document-section p,
.document-section ul {
  margin: 0;
  color: var(--muted);
}

.info-card ul,
.document-section ul {
  padding-left: 20px;
}

.source-links {
  display: flex;
  max-width: 920px;
  flex-wrap: wrap;
  gap: 12px 24px;
  margin-top: 28px;
}

.source-links a,
.inline-link,
address a {
  color: var(--accent-dark);
  font-weight: 700;
  text-decoration: underline;
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.2em;
}

.source-links a {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
}

.document-intro {
  max-width: 780px;
}

.document-stack {
  display: grid;
  max-width: 860px;
  gap: 18px;
  margin-top: 36px;
}

.document-section {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface);
}

.document-section p + p,
.document-section p + ul,
.document-section ul + p {
  margin-top: 12px;
}

.document-section code {
  padding: 0.12em 0.38em;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: var(--paper);
  color: var(--ink);
  font: 0.92em/1.4 ui-monospace, "SFMono-Regular", Consolas, monospace;
}

.link-list {
  display: grid;
  gap: 8px;
}

.link-list a,
.related-links a {
  color: var(--accent-dark);
  font-weight: 720;
  text-decoration: underline;
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.2em;
}

.step-list {
  display: grid;
  max-width: 880px;
  gap: 18px;
  margin: 36px 0;
  padding: 0;
  list-style: none;
  counter-reset: guide-step;
}

.step-list li {
  position: relative;
  padding: 24px 24px 24px 78px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface);
  counter-increment: guide-step;
}

.step-list li::before {
  position: absolute;
  top: 24px;
  left: 24px;
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border-radius: 50%;
  background: var(--soft);
  color: var(--accent-dark);
  content: counter(guide-step);
  font-weight: 800;
}

.step-list h2 {
  margin: 0 0 6px;
  font-size: 1.16rem;
}

.step-list p {
  margin: 0;
  color: var(--muted);
}

.guide-next,
.about-note {
  max-width: 880px;
  margin-top: 34px;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

.button-link {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  padding: 9px 16px;
  border: 1px solid var(--accent-dark);
  border-radius: 10px;
  background: var(--accent-dark);
  color: #ffffff;
  font-weight: 760;
  text-decoration: none;
}

.button-secondary {
  background: transparent;
  color: var(--accent-dark);
}

.related-links {
  display: flex;
  max-width: 880px;
  flex-wrap: wrap;
  gap: 4px 24px;
  margin-top: 34px;
}

.related-links a {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
}

.term-grid {
  display: grid;
  max-width: 920px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 36px;
}

.term-card {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface);
}

.term-card h2 {
  margin: 6px 0 10px;
  font-size: 1.15rem;
}

.term-card p:last-child {
  margin: 0;
  color: var(--muted);
}

.definition-list {
  display: grid;
  gap: 12px;
  margin: 0;
}

.definition-list div {
  display: grid;
  grid-template-columns: minmax(150px, 0.36fr) 1fr;
  gap: 12px 24px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.definition-list div:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.definition-list dt {
  font-weight: 800;
}

.definition-list dd {
  margin: 0;
  color: var(--muted);
}

.about-grid {
  max-width: 920px;
}

address {
  margin-top: 10px;
  font-style: normal;
}

@media (max-width: 700px) {
  .header-inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .site-nav {
    width: 100%;
    justify-content: flex-start;
    gap: 0 18px;
  }

  .content-grid {
    grid-template-columns: 1fr;
  }

  .resource-grid,
  .resource-grid-four,
  .term-grid {
    grid-template-columns: 1fr;
  }

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

  .definition-list div {
    grid-template-columns: 1fr;
    gap: 2px;
  }

  .hero {
    padding-top: 30px;
  }

  .project-main,
  .document-main {
    padding-top: 28px;
  }
}

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

  .project-card,
  .resource-card,
  .skip-link {
    transition: none;
  }

  .project-card:hover {
    transform: none;
  }
}