:root {
  --ink: #17231f;
  --ink-soft: #52605a;
  --forest: #173f35;
  --forest-deep: #0d2e27;
  --mint: #9dd5bd;
  --mint-soft: #e8f4ee;
  --paper: #f6f7f3;
  --white: #ffffff;
  --line: #d8ded8;
  --amber: #e8bd63;
  --max-width: 1180px;
  --shadow: 0 22px 60px rgba(23, 35, 31, 0.09);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

a {
  color: inherit;
}

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

.skip-link {
  position: absolute;
  top: -5rem;
  left: 1rem;
  z-index: 20;
  padding: 0.7rem 1rem;
  color: var(--white);
  background: var(--forest-deep);
}

.skip-link:focus {
  top: 1rem;
}

.site-header {
  color: var(--white);
  background: var(--forest-deep);
}

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

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  min-height: 78px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--white);
  font-size: 1.05rem;
  font-weight: 720;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  grid-template-columns: repeat(2, 0.44rem);
  gap: 0.18rem;
}

.brand-mark span {
  width: 0.44rem;
  height: 0.44rem;
  background: var(--mint);
  border-radius: 1px;
}

.brand-mark span:last-child {
  background: var(--amber);
}

.global-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.2rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.global-nav a {
  display: block;
  padding: 0.5rem 0.7rem;
  color: #dce9e3;
  font-size: 0.88rem;
  text-decoration: none;
}

.global-nav a:hover,
.global-nav a[aria-current="page"] {
  color: var(--white);
  background: rgba(255, 255, 255, 0.08);
  border-radius: 4px;
}

.hero {
  position: relative;
  overflow: hidden;
  padding: clamp(4.5rem, 10vw, 8.25rem) 0 clamp(4rem, 8vw, 6.5rem);
  color: var(--white);
  background: var(--forest);
}

.hero::after {
  position: absolute;
  right: -7rem;
  bottom: -12rem;
  width: 32rem;
  height: 32rem;
  border: 1px solid rgba(157, 213, 189, 0.24);
  border-radius: 50%;
  box-shadow: 0 0 0 5rem rgba(157, 213, 189, 0.04), 0 0 0 10rem rgba(157, 213, 189, 0.03);
  content: "";
}

.hero .page-shell {
  position: relative;
  z-index: 1;
}

.eyebrow {
  margin: 0 0 1.2rem;
  color: var(--mint);
  font-size: 0.76rem;
  font-weight: 760;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.hero h1,
.page-intro h1 {
  max-width: 860px;
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2.75rem, 7vw, 5.8rem);
  font-weight: 500;
  letter-spacing: -0.055em;
  line-height: 0.98;
}

.hero-copy {
  max-width: 680px;
  margin: 1.7rem 0 0;
  color: #dce9e3;
  font-size: clamp(1.05rem, 2vw, 1.3rem);
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2.2rem;
}

.status,
.meta-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.35rem 0.65rem;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 999px;
  color: #eaf3ef;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.status::before {
  width: 0.45rem;
  height: 0.45rem;
  background: var(--amber);
  border-radius: 50%;
  content: "";
}

.zone-section,
.content-section {
  padding: clamp(3.5rem, 7vw, 6rem) 0;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(280px, 1.2fr);
  gap: 3rem;
  align-items: end;
  margin-bottom: 2.4rem;
}

.section-heading h2,
.content-section h2 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2rem, 4vw, 3.4rem);
  font-weight: 500;
  letter-spacing: -0.045em;
  line-height: 1.05;
}

.section-heading p {
  max-width: 650px;
  margin: 0;
  color: var(--ink-soft);
}

.zone-grid,
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--line);
  box-shadow: var(--shadow);
}

.zone-card,
.card {
  position: relative;
  min-height: 230px;
  padding: 1.6rem;
  background: var(--white);
}

.zone-card {
  display: flex;
  flex-direction: column;
  text-decoration: none;
}

.zone-card:hover {
  background: var(--mint-soft);
}

.zone-number {
  color: #718078;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.72rem;
}

.zone-card h3,
.card h3 {
  margin: auto 0 0.4rem;
  font-size: 1.2rem;
  letter-spacing: -0.025em;
}

.zone-card p,
.card p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.zone-arrow {
  position: absolute;
  top: 1.45rem;
  right: 1.55rem;
  color: var(--forest);
  font-size: 1.2rem;
}

.principle-band {
  padding: 3.5rem 0;
  color: var(--white);
  background: var(--forest-deep);
}

.principle-band .page-shell {
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  gap: 3rem;
}

.principle-band h2 {
  margin: 0;
  color: var(--mint);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.principle-band p {
  max-width: 760px;
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.45rem, 3vw, 2.35rem);
  letter-spacing: -0.03em;
  line-height: 1.25;
}

.page-intro {
  padding: clamp(3.5rem, 7vw, 6rem) 0 3rem;
  background: var(--white);
  border-bottom: 1px solid var(--line);
}

.page-intro h1 {
  max-width: 820px;
  color: var(--forest-deep);
  font-size: clamp(2.6rem, 6vw, 4.8rem);
}

.page-intro .lede {
  max-width: 720px;
  margin: 1.4rem 0 0;
  color: var(--ink-soft);
  font-size: 1.1rem;
}

.page-intro .eyebrow {
  color: var(--forest);
}

.breadcrumbs {
  margin-bottom: 1.5rem;
  color: var(--ink-soft);
  font-size: 0.82rem;
}

.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.breadcrumbs li:not(:last-child)::after {
  margin-left: 0.45rem;
  color: #98a29d;
  content: "/";
}

.page-status {
  display: inline-flex;
  margin-top: 1.6rem;
  padding: 0.35rem 0.65rem;
  color: var(--forest-deep);
  background: var(--mint-soft);
  border: 1px solid #c9e4d7;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 760;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.content-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(250px, 0.7fr);
  gap: 4rem;
}

.prose p {
  max-width: 720px;
  color: var(--ink-soft);
}

.prose h2 {
  margin-top: 2.8rem;
  font-size: clamp(1.7rem, 3vw, 2.4rem);
}

.link-list {
  margin: 1.5rem 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.link-list a {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--line);
  font-weight: 650;
  text-decoration: none;
}

.link-list a::after {
  content: "→";
}

.link-list a:hover {
  color: var(--forest);
}

.aside-panel {
  align-self: start;
  padding: 1.5rem;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 6px;
}

.aside-panel h2 {
  margin: 0 0 1rem;
  font-family: inherit;
  font-size: 0.78rem;
  font-weight: 760;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.aside-panel dl {
  margin: 0;
}

.aside-panel div {
  padding: 0.8rem 0;
  border-top: 1px solid var(--line);
}

.aside-panel dt {
  color: var(--ink-soft);
  font-size: 0.72rem;
  text-transform: uppercase;
}

.aside-panel dd {
  margin: 0.2rem 0 0;
  font-size: 0.92rem;
  font-weight: 650;
}

.site-footer {
  padding: 2.5rem 0;
  color: #cddbd4;
  background: #0a241e;
}

.site-footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  font-size: 0.82rem;
}

.site-footer p {
  margin: 0;
}

.site-footer a {
  color: var(--white);
}

@media (max-width: 820px) {
  .header-inner {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.55rem;
    padding: 1rem 0;
  }

  .global-nav a {
    padding-left: 0;
    padding-right: 0.9rem;
  }

  .section-heading,
  .principle-band .page-shell,
  .content-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

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

@media (max-width: 540px) {
  .zone-grid,
  .card-grid {
    grid-template-columns: 1fr;
  }

  .zone-card,
  .card {
    min-height: 190px;
  }

  .site-footer-inner {
    flex-direction: column;
  }
}

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