:root {
  --ink: #15231f;
  --ink-soft: #53615c;
  --paper: #fbfaf6;
  --surface: #f1f3ee;
  --line: #d9ddd6;
  --accent: #0f6b55;
  --accent-dark: #0a4b3c;
  --warm: #c8914d;
  --max: 1160px;
}

* { 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: 1.65;
  text-rendering: optimizeLegibility;
}

a { color: inherit; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 1rem;
  padding: .7rem 1rem;
  background: var(--ink);
  color: white;
  z-index: 10;
}

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

.site-header {
  width: min(calc(100% - 3rem), var(--max));
  margin: 0 auto;
  min-height: 92px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: .75rem;
  font-size: .95rem;
  font-weight: 750;
  text-decoration: none;
  letter-spacing: .01em;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  color: white;
  background: var(--accent-dark);
  border-radius: 50%;
  font-family: Georgia, serif;
  font-size: 1.1rem;
}

nav { display: flex; gap: 1.7rem; }

nav a {
  color: var(--ink-soft);
  font-size: .9rem;
  text-decoration: none;
}

nav a:hover, nav a:focus { color: var(--accent); }

.hero {
  width: min(calc(100% - 3rem), var(--max));
  margin: 0 auto;
  padding: clamp(5rem, 10vw, 9rem) 0 clamp(4.5rem, 9vw, 8rem);
  max-width: var(--max);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(280px, .65fr);
  gap: clamp(2rem, 6vw, 6rem);
  align-items: center;
}

.eyebrow {
  margin: 0 0 1.15rem;
  color: var(--accent);
  font-size: .76rem;
  font-weight: 800;
  letter-spacing: .13em;
  text-transform: uppercase;
}

h1, h2, h3 { line-height: 1.12; }

h1, h2 {
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 500;
  letter-spacing: -.03em;
}

h1 {
  max-width: 920px;
  margin: 0;
  font-size: clamp(3.2rem, 7vw, 6.5rem);
}

h1 em { color: var(--accent); font-weight: 500; }

.hero-copy {
  max-width: 760px;
  margin: 2rem 0 0;
  color: var(--ink-soft);
  font-size: clamp(1.05rem, 2vw, 1.3rem);
}

.actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 2.2rem; }

.identity-chip {
  display: inline-flex;
  align-items: center;
  gap: .9rem;
  margin-top: 2rem;
  padding: .55rem 1rem .55rem .55rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255,255,255,.55);
}

.identity-chip img,
.article-author img {
  flex: 0 0 auto;
  object-fit: cover;
  border-radius: 50%;
  box-shadow: 0 8px 24px rgba(10,75,60,.14);
}

.identity-chip p { margin: 0; line-height: 1.25; }
.identity-chip strong,
.identity-chip span { display: block; }
.identity-chip strong { font-size: .92rem; }
.identity-chip span { margin-top: .2rem; color: var(--ink-soft); font-size: .76rem; }

.system-visual {
  position: relative;
  width: min(100%, 360px);
  aspect-ratio: 1;
  margin: 0 auto;
  border-radius: 50%;
  background:
    radial-gradient(circle at center, rgba(200,145,77,.18) 0 18%, transparent 18.5%),
    radial-gradient(circle at center, transparent 0 42%, rgba(15,107,85,.08) 42.5% 43%, transparent 43.5%);
}

.orbit {
  position: absolute;
  inset: 12%;
  border: 1px solid var(--line);
  border-radius: 50%;
}

.orbit-two { inset: 27%; border-style: dashed; border-color: rgba(15,107,85,.35); }

.meaning-core {
  position: absolute;
  inset: 34%;
  display: grid;
  place-content: center;
  text-align: center;
  color: white;
  background: var(--accent-dark);
  border-radius: 50%;
  box-shadow: 0 15px 45px rgba(10,75,60,.22);
}

.meaning-core small { font-size: .61rem; letter-spacing: .08em; text-transform: uppercase; opacity: .66; }
.meaning-core strong { font-family: Georgia, serif; font-size: 1.35rem; font-weight: 500; }

.system-node {
  position: absolute;
  padding: .35rem .62rem;
  color: var(--accent-dark);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: .68rem;
  font-weight: 800;
  letter-spacing: .04em;
  box-shadow: 0 8px 20px rgba(21,35,31,.06);
}

.node-data { left: 1%; top: 46%; }
.node-systems { left: 36%; top: 2%; }
.node-decisions { right: -2%; top: 45%; }
.node-ai { left: 43%; bottom: 3%; }

.proof-line {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: clamp(4rem, 8vw, 7rem);
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
}

.proof-line div { display: flex; flex-direction: column; padding-right: 1.5rem; }
.proof-line div + div { padding-left: 1.5rem; border-left: 1px solid var(--line); }
.proof-line strong { font-family: Georgia, serif; font-size: 1.4rem; font-weight: 500; }
.proof-line span { margin-top: .15rem; color: var(--ink-soft); font-size: .75rem; text-transform: uppercase; letter-spacing: .06em; }

.button {
  display: inline-block;
  padding: .78rem 1.1rem;
  border: 1px solid var(--accent-dark);
  border-radius: 3px;
  font-size: .9rem;
  font-weight: 750;
  text-decoration: none;
}

.primary { color: white; background: var(--accent-dark); }
.primary:hover { background: var(--accent); }
.secondary:hover { color: white; background: var(--accent-dark); }

.statement {
  padding: 3.5rem 1.5rem;
  color: white;
  background: var(--accent-dark);
  text-align: center;
  font-family: Georgia, serif;
  font-size: clamp(1.55rem, 4vw, 2.4rem);
}

.statement p { display: inline; margin: 0; opacity: .7; }
.statement strong { margin-left: .35rem; color: #f0d7ae; font-weight: 500; }

.section {
  width: min(calc(100% - 3rem), var(--max));
  margin: 0 auto;
  padding: clamp(4.5rem, 9vw, 7.5rem) 0;
}

.section-heading { max-width: 800px; margin-bottom: 3rem; }
.section-heading h2 { margin: 0; font-size: clamp(2.25rem, 5vw, 4.25rem); }

.journey-section { padding-bottom: 3.5rem; }

.journey-line {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
}

.journey-line article { position: relative; padding: 2rem 1.6rem 2rem 0; }
.journey-line article + article { padding-left: 1.6rem; border-left: 1px solid var(--line); }
.journey-line article::before {
  content: "";
  position: absolute;
  top: -5px;
  left: 0;
  width: 9px;
  height: 9px;
  background: var(--warm);
  border-radius: 50%;
}
.journey-line article + article::before { left: -5px; }
.journey-line span { color: var(--accent); font-size: .72rem; font-weight: 800; letter-spacing: .09em; text-transform: uppercase; }
.journey-line h3 { margin: .7rem 0; font-size: 1.15rem; }
.journey-line p { margin: 0; color: var(--ink-soft); font-size: .92rem; }

blockquote {
  margin: 2.5rem 0 0;
  padding: 2rem clamp(1.4rem, 4vw, 3rem);
  color: var(--ink);
  background: linear-gradient(135deg, #fff8ec 0%, #f6efe0 100%);
  border-left: 5px solid var(--warm);
  border-radius: 0 14px 14px 0;
  box-shadow: 0 18px 45px rgba(21,35,31,.08);
}

blockquote p { max-width: 900px; margin: 0; color: var(--ink) !important; font-family: Georgia, serif; font-size: clamp(1.25rem, 2.4vw, 1.8rem); line-height: 1.35; }
.compact-top { padding-top: 3.5rem; }

.split-heading {
  max-width: none;
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 2rem;
}

.text-link { color: var(--accent); font-weight: 750; white-space: nowrap; }

.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
}

.pillars article { padding: 2rem 2.1rem 1rem 0; }
.pillars article + article { padding-left: 2.1rem; border-left: 1px solid var(--line); }
.pillars span { color: var(--warm); font-weight: 800; font-size: .78rem; }
.pillars h3 { margin: 1rem 0; font-size: 1.3rem; }
.pillars p { margin: 0; color: var(--ink-soft); }

.muted-section {
  width: 100%;
  max-width: none;
  padding-left: max(1.5rem, calc((100vw - var(--max)) / 2));
  padding-right: max(1.5rem, calc((100vw - var(--max)) / 2));
  background: var(--surface);
}

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

.insight-card {
  min-height: 360px;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  background: var(--paper);
  border: 1px solid var(--line);
}

.insight-card.featured { color: white; background: var(--accent-dark); border-color: var(--accent-dark); }
.card-type { margin: 0 0 2rem; color: var(--warm); font-size: .75rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.insight-card h3 { margin: 0; font-family: Georgia, serif; font-size: 1.65rem; font-weight: 500; }
.insight-card p:not(.card-type) { color: var(--ink-soft); }
.insight-card.featured p:not(.card-type) { color: rgba(255,255,255,.72); }
.insight-card a { margin-top: auto; color: var(--accent); font-weight: 800; }
.insight-card.featured a { color: #f0d7ae; }

.evidence-list { border-top: 1px solid var(--line); }
.evidence-list a {
  display: grid;
  grid-template-columns: 180px 1fr auto;
  gap: 1.5rem;
  align-items: center;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
}
.evidence-list a:hover strong { color: var(--accent); }
.evidence-list span { color: var(--ink-soft); font-size: .78rem; font-weight: 800; text-transform: uppercase; }
.evidence-list strong { font-family: Georgia, serif; font-size: 1.35rem; font-weight: 500; }
.evidence-list small { color: var(--accent); font-weight: 750; }
.evidence-note { max-width: 720px; margin: 2rem 0 0 auto; color: var(--ink-soft); font-family: Georgia, serif; font-size: 1.25rem; }

.channel-section {
  width: 100%;
  max-width: none;
  padding-left: max(1.5rem, calc((100vw - var(--max)) / 2));
  padding-right: max(1.5rem, calc((100vw - var(--max)) / 2));
  background: var(--surface);
}

.channel-intro { max-width: 330px; margin: 0; color: var(--ink-soft); }

.channel-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.channel-grid a {
  min-height: 330px;
  padding: 1.7rem 1.4rem;
  display: flex;
  flex-direction: column;
  text-decoration: none;
  transition: background-color .18s ease, color .18s ease;
}

.channel-grid a + a { border-left: 1px solid var(--line); }
.channel-grid a:hover, .channel-grid a:focus { color: white; background: var(--accent-dark); }
.channel-grid span { color: var(--warm); font-size: .7rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.channel-grid strong { margin-top: 1.2rem; font-family: Georgia, serif; font-size: 1.45rem; font-weight: 500; }
.channel-grid p { color: var(--ink-soft); font-size: .88rem; }
.channel-grid a:hover p, .channel-grid a:focus p { color: rgba(255,255,255,.72); }
.channel-grid small { margin-top: auto; color: var(--accent); font-weight: 800; }
.channel-grid a:hover small, .channel-grid a:focus small { color: #f0d7ae; }

.channel-principle { margin: 2rem 0 0; text-align: center; color: var(--ink-soft); }
.channel-principle strong { color: var(--ink); }

.connect-section {
  padding: clamp(4.5rem, 10vw, 8rem) max(1.5rem, calc((100vw - var(--max)) / 2));
  color: white;
  background: var(--ink);
}
.connect-section h2 { max-width: 850px; margin: 0; font-size: clamp(2.3rem, 5vw, 4.6rem); }
.connect-section > p:not(.eyebrow) { color: rgba(255,255,255,.7); }
.social-links { display: flex; flex-wrap: wrap; gap: 1rem 1.6rem; margin-top: 2rem; }
.social-links a { color: #f0d7ae; font-weight: 750; }

footer {
  display: flex;
  justify-content: space-between;
  padding: 1.5rem max(1.5rem, calc((100vw - var(--max)) / 2));
  color: var(--ink-soft);
  background: var(--paper);
  font-size: .82rem;
}

.article-shell {
  width: min(calc(100% - 3rem), 820px);
  margin: 0 auto;
  padding: clamp(4rem, 8vw, 7rem) 0;
}

.article-content > h1:first-of-type {
  margin: 0 0 2rem;
  font-size: clamp(2.7rem, 6vw, 4.8rem);
}

.article-deck {
  max-width: 720px;
  margin: -1rem 0 0;
  color: var(--ink-soft) !important;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.2rem, 2.5vw, 1.55rem) !important;
  line-height: 1.4;
}

.article-meta {
  margin: 1.2rem 0 2.5rem;
  color: var(--accent) !important;
  font-size: .78rem !important;
  font-weight: 800;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.article-figure { margin: 2rem 0 3rem; }
.article-figure img { margin: 0; border: 1px solid var(--line); }
.article-figure figcaption { margin-top: .75rem; color: var(--ink-soft); font-size: .82rem; }

.article-content h2 { margin: 2.7rem 0 1rem; font-size: clamp(1.8rem, 4vw, 2.6rem); }
.article-content h3 { margin-top: 2rem; font-size: 1.25rem; }
.article-content p, .article-content li { color: #33433d; font-size: 1.06rem; }
.article-content img { width: 100%; height: auto; margin: 1rem 0 2.5rem; border-radius: 4px; }
.article-content table { width: 100%; margin: 2rem 0; border-collapse: collapse; font-size: .92rem; }
.article-content th, .article-content td { padding: .85rem; border: 1px solid var(--line); text-align: left; vertical-align: top; }
.article-content th { color: white; background: var(--accent-dark); }
.article-content tr:nth-child(even) { background: var(--surface); }
.article-content hr { margin: 2.5rem 0; border: 0; border-top: 1px solid var(--line); }
.article-content a { color: var(--accent); }

.article-author {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 1.1rem;
  align-items: center;
  margin-top: 4rem;
  padding: 1.6rem 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.article-author p { max-width: 660px; color: var(--ink-soft); }
.article-author a { color: var(--accent); font-weight: 800; }

@media (max-width: 800px) {
  .site-header { min-height: 76px; }
  nav { display: none; }
  .hero-grid, .pillars, .card-grid { grid-template-columns: 1fr; }
  .system-visual { width: min(86vw, 340px); margin-top: 1.5rem; }
  .proof-line { grid-template-columns: 1fr; gap: 1rem; }
  .proof-line div, .proof-line div + div { padding: 0 0 1rem; border-left: 0; border-bottom: 1px solid var(--line); }
  .journey-line { grid-template-columns: 1fr 1fr; }
  .journey-line article:nth-child(3) { border-left: 0; }
  .channel-grid { grid-template-columns: 1fr 1fr; }
  .channel-grid a { min-height: 285px; border-bottom: 1px solid var(--line); }
  .channel-grid a:nth-child(odd) { border-left: 0; }
  .pillars article, .pillars article + article { padding: 1.5rem 0; border-left: 0; border-bottom: 1px solid var(--line); }
  .split-heading { display: block; }
  .text-link { display: inline-block; margin-top: 1.2rem; }
  .evidence-list a { grid-template-columns: 1fr; gap: .4rem; }
  .insight-card { min-height: 310px; }
}

@media (max-width: 520px) {
  .site-header, .hero, .section { width: min(calc(100% - 2rem), var(--max)); }
  .hero { padding-top: 4rem; }
  h1 { font-size: clamp(2.8rem, 14vw, 4.3rem); }
  .identity-chip { border-radius: 24px; }
  .statement p, .statement strong { display: block; margin: 0; }
  .journey-line { grid-template-columns: 1fr; }
  .journey-line article, .journey-line article + article { padding: 1.5rem 0; border-left: 0; border-bottom: 1px solid var(--line); }
  .journey-line article + article::before { left: 0; }
  .channel-grid { grid-template-columns: 1fr; }
  .channel-grid a, .channel-grid a + a { min-height: 245px; border-left: 0; }
  footer { flex-direction: column; gap: .25rem; }
}