:root {
  --bg: #f8f6f1;
  --bg-alt: #f4f7fb;
  --panel: rgba(255, 255, 255, 0.92);
  --panel-strong: rgba(255, 255, 255, 0.98);
  --line: rgba(15, 23, 42, 0.12);
  --text: #18202d;
  --muted: #485468;
  --warm: #f59e0b;
  --teal: #0ea5a4;
  --coral: #f97316;
  --sky: #7c9cff;
  --shadow: 0 24px 80px rgba(15, 23, 42, 0.08);
  --constellation-dot: rgba(29, 36, 51, 0.34);
  --constellation-line-a: rgba(14, 165, 164, 0.14);
  --constellation-line-b: rgba(245, 158, 11, 0.14);
  --radius-xl: 34px;
  --radius-lg: 26px;
  --radius-md: 18px;
  --max-width: 1220px;
  --font-sans: "Inter", "Segoe UI", sans-serif;
  --font-mono: "Fira Code", "SFMono-Regular", monospace;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-sans);
  color: var(--text);
  background:
    radial-gradient(circle at 15% 18%, rgba(245, 158, 11, 0.18), transparent 26%),
    radial-gradient(circle at 84% 20%, rgba(14, 165, 164, 0.16), transparent 24%),
    radial-gradient(circle at 46% 98%, rgba(249, 115, 22, 0.12), transparent 30%),
    linear-gradient(180deg, #fffdfa 0%, var(--bg) 52%, var(--bg-alt) 100%);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body::before {
  position: fixed;
  inset: 0;
  content: "";
  background-image:
    linear-gradient(rgba(17, 24, 39, 0.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(17, 24, 39, 0.028) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(circle at center, black 40%, transparent 92%);
  pointer-events: none;
}

.page-umbral {
  --page-accent: var(--warm);
}

.page-motor {
  --page-accent: var(--teal);
}

.page-blog,
.page-article {
  --page-accent: var(--sky);
}

.constellation {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.34;
  pointer-events: none;
  z-index: 0;
}

.page-shell {
  position: relative;
  z-index: 1;
  width: min(100% - 40px, var(--max-width));
  margin: 0 auto;
  padding-bottom: 56px;
}

.site-header {
  position: sticky;
  top: 18px;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-top: 20px;
  padding: 14px 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(18px);
  box-shadow: 0 12px 36px rgba(15, 23, 42, 0.08);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  text-decoration: none;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.16), rgba(14, 165, 164, 0.12));
  border: 1px solid rgba(15, 23, 42, 0.08);
  font-weight: 800;
  letter-spacing: 0.08em;
}

.brand-copy {
  display: grid;
  gap: 2px;
}

.brand-copy strong {
  font-size: 0.96rem;
}

.brand-copy small {
  color: var(--muted);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-nav {
  display: inline-flex;
  align-items: center;
  gap: 18px;
}

.site-nav a {
  color: rgba(24, 32, 45, 0.86);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 180ms ease, opacity 180ms ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--page-accent);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 52px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background 180ms ease,
    box-shadow 180ms ease;
}

.button:hover,
.button:focus-visible,
.text-link:hover,
.source-card a:hover {
  transform: translateY(-2px);
}

.button.primary {
  background: linear-gradient(135deg, var(--warm), var(--coral));
  color: #ffffff;
  box-shadow: 0 18px 36px rgba(249, 115, 22, 0.18);
}

.button.ghost {
  background: rgba(255, 255, 255, 0.74);
  border-color: rgba(15, 23, 42, 0.1);
}

.button.compact {
  min-height: 42px;
  padding-inline: 18px;
  font-size: 0.92rem;
}

code,
pre {
  font-family: var(--font-mono);
}

.pulse-ribbon {
  margin-top: 26px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.74);
  backdrop-filter: blur(16px);
}

.pulse-track {
  display: flex;
  gap: 18px;
  width: max-content;
  padding: 14px 20px;
  animation: marquee 28s linear infinite;
}

.pulse-track span {
  position: relative;
  padding-right: 18px;
  color: rgba(29, 36, 51, 0.78);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  white-space: nowrap;
}

.pulse-track span::after {
  position: absolute;
  top: 50%;
  right: 0;
  width: 5px;
  height: 5px;
  content: "";
  border-radius: 50%;
  background: var(--page-accent);
  transform: translateY(-50%);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.92fr);
  align-items: center;
  gap: 44px;
  padding: 96px 0 52px;
}

.hero-copy h1,
.section-heading h2,
.section-copy h2,
.cta-panel h2 {
  margin: 0;
  font-family: var(--font-sans);
  font-weight: 800;
  color: var(--text);
  line-height: 0.96;
  letter-spacing: -0.04em;
}

.hero-copy h1 {
  max-width: 10ch;
  font-size: clamp(3.2rem, 7.8vw, 6.8rem);
}

.lead {
  max-width: 68ch;
  font-size: 1.12rem;
  line-height: 1.82;
  color: rgba(24, 32, 45, 0.86);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
  color: var(--page-accent);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 34px;
  height: 1px;
  background: currentColor;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.hero-band {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 42px;
}

.hero-band article,
.glass-card,
.map-card,
.sequence-step,
.stack-card,
.flow-card,
.timeline-card,
.protocol-card,
.diagram-card,
.architecture-panel,
.cta-panel,
.atlas-card,
.source-card,
.journal-card,
.editorial-panel article,
.article-layout,
.detail-card {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(255, 255, 255, 0.84));
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow);
}

.hero-band article {
  padding: 18px 18px 20px;
  border-radius: var(--radius-md);
}

.hero-band span,
.signal-ledger span,
.editorial-panel span,
.atlas-tag,
.source-card strong,
.journal-meta,
.stack-label,
.timeline-card span,
.flow-card span,
.sequence-step span,
.card-index {
  display: block;
  margin-bottom: 8px;
  color: var(--page-accent);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero-band strong {
  display: block;
  font-size: 0.96rem;
  line-height: 1.5;
}

.hero-footnote {
  margin-top: 20px;
  max-width: 52ch;
}

.hero-footnote p {
  margin: 0;
  color: rgba(24, 32, 45, 0.74);
  font-size: 0.96rem;
  line-height: 1.7;
}

.hero-visual {
  position: relative;
}

.signal-frame {
  position: relative;
  min-height: 620px;
  border-radius: 38px;
  overflow: hidden;
  border: 1px solid var(--line);
  background:
    radial-gradient(circle at 50% 45%, rgba(14, 165, 164, 0.16), transparent 20%),
    radial-gradient(circle at 50% 45%, rgba(245, 158, 11, 0.14), transparent 36%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(248, 250, 252, 0.96));
  box-shadow: 0 36px 96px rgba(15, 23, 42, 0.12);
}

.signal-grid,
.signal-ring {
  position: absolute;
  inset: 0;
}

.signal-grid {
  background-image:
    linear-gradient(rgba(15, 23, 42, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15, 23, 42, 0.05) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(circle at center, black 48%, transparent 90%);
}

.signal-ring {
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 50%;
}

.ring-a { inset: 12%; animation: pulseRing 7s ease-in-out infinite; }
.ring-b { inset: 24%; animation: pulseRing 6s ease-in-out infinite reverse; }
.ring-c { inset: 36%; animation: pulseRing 5s ease-in-out infinite; }

.hero-figure {
  position: absolute;
  display: block;
  border-radius: 24px;
  box-shadow: 0 18px 48px rgba(15, 23, 42, 0.12);
}

.hero-figure-growth {
  top: 38px;
  right: 34px;
  width: 44%;
}

.hero-figure-actor {
  left: 36px;
  bottom: 34px;
  width: 30%;
}

.node {
  position: absolute;
  display: grid;
  place-items: center;
  min-width: 104px;
  padding: 12px 16px;
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.92);
  text-transform: lowercase;
  box-shadow: 0 18px 38px rgba(15, 23, 42, 0.08);
}

.node span {
  font-size: 0.86rem;
  font-weight: 700;
}

.node-core {
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.22), rgba(14, 165, 164, 0.22));
  animation: corePulse 4s ease-in-out infinite;
}

.node-a { top: 18%; left: 16%; animation: floatNode 6s ease-in-out infinite; }
.node-b { top: 14%; right: 18%; animation: floatNode 8s ease-in-out infinite reverse; }
.node-c { bottom: 18%; left: 14%; animation: floatNode 7.5s ease-in-out infinite; }
.node-d { right: 14%; bottom: 22%; animation: floatNode 6.6s ease-in-out infinite reverse; }

.signal-quote,
.signal-ledger {
  position: absolute;
  padding: 16px 18px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(15, 23, 42, 0.08);
}

.signal-quote {
  right: 28px;
  bottom: 28px;
  max-width: 280px;
}

.signal-quote p {
  margin: 0;
  color: rgba(24, 32, 45, 0.92);
  font-size: 0.98rem;
  line-height: 1.7;
}

.signal-ledger {
  left: 28px;
  bottom: 28px;
}

.signal-ledger strong {
  display: block;
  max-width: 220px;
  font-size: 0.92rem;
  line-height: 1.5;
}

.section {
  padding: 78px 0 0;
}

.section-heading,
.section-copy {
  max-width: 760px;
}

.section-heading h2,
.section-copy h2,
.cta-panel h2 {
  font-size: clamp(2.3rem, 5vw, 4.4rem);
}

.section-heading p,
.section-copy p,
.cta-panel p,
.glass-card p,
.map-card p,
.sequence-step p,
.stack-card p,
.flow-card p,
.timeline-card p,
.protocol-line span,
.atlas-card p,
.source-card p,
.journal-card p {
  color: rgba(24, 32, 45, 0.8);
  line-height: 1.8;
}

.card-grid,
.atlas-grid,
.source-grid,
.blog-preview-grid,
.stack-grid,
.flow-grid,
.timeline-grid,
.sequence-rail,
.fundamentals-grid {
  display: grid;
  gap: 22px;
}

.card-grid { margin-top: 34px; }
.card-grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.card-grid.two,
.timeline-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }

.glass-card,
.map-card,
.stack-card,
.flow-card,
.timeline-card,
.atlas-card,
.source-card,
.journal-card,
.cta-panel {
  padding: 28px;
  border-radius: var(--radius-lg);
}

.glass-card h3,
.map-card h3,
.stack-card h3,
.flow-card h3,
.timeline-card h3,
.sequence-step h3,
.atlas-card h3,
.source-card h3,
.journal-card h3 {
  margin: 10px 0;
  font-size: 1.36rem;
}

.split-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.92fr);
  gap: 28px;
  align-items: stretch;
}

.fundamentals-section .section-heading,
.spotlight-section .section-heading,
.source-section .section-heading,
.blog-preview-section .section-heading,
.sequence-section .section-heading {
  margin-bottom: 28px;
}

.detail-card {
  border-radius: 24px;
  overflow: hidden;
  transition: transform 220ms ease, box-shadow 220ms ease, border-color 220ms ease;
}

.detail-card[open] {
  border-color: rgba(15, 23, 42, 0.14);
  box-shadow: 0 26px 72px rgba(15, 23, 42, 0.12);
  transform: translateY(-2px);
}

.detail-card summary {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 18px;
  align-items: start;
  padding: 22px 24px;
  cursor: pointer;
  list-style: none;
}

.detail-card summary::-webkit-details-marker {
  display: none;
}

.detail-card summary span {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(245, 158, 11, 0.12);
  color: var(--warm);
  font-size: 0.8rem;
  font-weight: 800;
}

.detail-card summary strong {
  display: block;
  margin-bottom: 6px;
  font-size: 1.18rem;
}

.detail-card summary small {
  color: rgba(24, 32, 45, 0.76);
  font-size: 0.96rem;
  line-height: 1.6;
}

.detail-card-body {
  padding: 0 24px 22px 82px;
}

.detail-card-body p {
  margin: 0;
  color: rgba(24, 32, 45, 0.84);
  line-height: 1.85;
}

.callout {
  margin-top: 24px;
  padding: 20px 22px;
  border-left: 4px solid var(--page-accent);
  border-radius: 0 18px 18px 0;
  background: rgba(255, 255, 255, 0.7);
}

.callout strong {
  display: block;
  margin-bottom: 8px;
}

.callout-expandable {
  padding: 0;
  overflow: hidden;
  border-left-width: 0;
  border-radius: 24px;
  border: 1px solid rgba(15, 23, 42, 0.08);
  background:
    linear-gradient(135deg, rgba(245, 158, 11, 0.06), transparent 44%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(255, 255, 255, 0.86));
  box-shadow: 0 20px 56px rgba(15, 23, 42, 0.08);
}

.callout-expandable summary {
  display: grid;
  gap: 6px;
  padding: 20px 22px;
  cursor: pointer;
  list-style: none;
}

.callout-expandable summary::-webkit-details-marker {
  display: none;
}

.callout-expandable summary strong {
  margin-bottom: 0;
}

.callout-expandable summary span {
  color: rgba(24, 32, 45, 0.76);
  font-size: 0.96rem;
  line-height: 1.65;
}

.callout-body {
  padding: 0 22px 22px;
}

.callout-body p {
  margin: 0 0 14px;
  color: rgba(24, 32, 45, 0.82);
  line-height: 1.8;
}

.callout-body p:last-child {
  margin-bottom: 0;
}

.diagram-card,
.protocol-card,
.architecture-panel,
.editorial-panel {
  display: grid;
  gap: 14px;
  padding: 24px;
  border-radius: 30px;
}

.diagram-layers,
.protocol-card,
.architecture-panel,
.editorial-panel {
  display: grid;
  gap: 14px;
}

.diagram-layer,
.protocol-line,
.architecture-panel article,
.editorial-panel article {
  display: grid;
  gap: 8px;
  padding: 18px 18px 20px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.76);
  border: 1px solid rgba(15, 23, 42, 0.08);
}

.diagram-layer {
  grid-template-columns: auto 1fr;
  gap: 12px 16px;
  align-items: center;
}

.diagram-layer span {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(245, 158, 11, 0.12);
  color: var(--warm);
  font-weight: 800;
}

.diagram-layer small {
  color: rgba(24, 32, 45, 0.76);
}

.atlas-grid {
  grid-template-columns: 1.1fr 0.9fr 0.9fr;
}

.atlas-card,
.source-card,
.journal-card {
  position: relative;
  overflow: hidden;
}

.atlas-card::before,
.source-card::before,
.journal-card::before {
  position: absolute;
  inset: -30% auto auto -10%;
  width: 220px;
  height: 220px;
  content: "";
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.8), transparent 68%);
  opacity: 0.78;
  pointer-events: none;
}

.atlas-branch {
  min-height: 260px;
  background:
    radial-gradient(circle at 80% 24%, rgba(14, 165, 164, 0.16), transparent 26%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(255, 255, 255, 0.88));
}

.atlas-shell {
  min-height: 260px;
  background:
    radial-gradient(circle at 22% 22%, rgba(245, 158, 11, 0.16), transparent 26%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(255, 255, 255, 0.88));
}

.atlas-hive {
  min-height: 260px;
  background:
    radial-gradient(circle at 60% 22%, rgba(124, 156, 255, 0.16), transparent 26%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(255, 255, 255, 0.88));
}

.source-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.source-card a,
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 18px;
  color: var(--text);
  font-weight: 700;
  text-decoration: none;
  transition: transform 180ms ease;
}

.source-card a::after,
.text-link::after {
  content: "→";
  transition: transform 180ms ease;
}

.source-card a:hover::after,
.text-link:hover::after {
  transform: translateX(4px);
}

.blog-preview-grid {
  grid-template-columns: 1.2fr 1fr 1fr;
}

.blog-preview-grid.compact {
  grid-template-columns: 1.15fr 1fr;
}

.journal-card.featured {
  min-height: 320px;
}

.preview-cta {
  margin-top: 28px;
}

.sequence-step {
  position: relative;
  padding: 26px;
  border-radius: 26px;
  overflow: hidden;
}

.sequence-step::after {
  position: absolute;
  inset: auto auto 0 0;
  content: "";
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--page-accent), transparent);
}

.cta-section {
  padding-top: 92px;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 28px;
  margin-top: 76px;
  padding: 24px 0 16px;
  border-top: 1px solid rgba(15, 23, 42, 0.1);
}

.site-footer p,
.site-footer span {
  margin: 0;
  color: rgba(24, 32, 45, 0.72);
}

.site-footer strong {
  display: block;
  margin-bottom: 6px;
}

.hero-blog {
  grid-template-columns: 1fr minmax(320px, 0.8fr);
}

.hero-blog h1 {
  max-width: 10ch;
}

.article-shell {
  padding-top: 72px;
}

.article-layout {
  max-width: 840px;
  margin: 0 auto;
  padding: 42px;
  border-radius: 34px;
}

.article-hero {
  padding-bottom: 26px;
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
}

.article-hero h1 {
  max-width: 12ch;
  margin: 0;
  font-family: "Fraunces", Georgia, serif;
  font-size: clamp(2.9rem, 6vw, 5.8rem);
  line-height: 0.98;
  letter-spacing: -0.04em;
}

.article-body {
  padding-top: 28px;
}

.article-body p {
  margin: 0 0 22px;
  color: rgba(24, 32, 45, 0.92);
  font-size: 1.08rem;
  line-height: 1.95;
}

.article-body blockquote {
  margin: 30px 0;
  padding: 24px 26px;
  border-left: 4px solid var(--page-accent);
  border-radius: 0 20px 20px 0;
  background: rgba(245, 247, 250, 0.9);
  color: var(--text);
  font-family: "Fraunces", Georgia, serif;
  font-size: 1.5rem;
  line-height: 1.45;
}

.article-shell-feature {
  padding-top: 54px;
}

.article-layout-feature {
  max-width: 1180px;
  padding: 0;
  background: transparent;
  border: 0;
  box-shadow: none;
}

.feature-hero {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(360px, 1.08fr);
  align-items: end;
  gap: 38px;
}

.feature-hero-copy {
  padding: 20px 0 10px;
}

.feature-hero-copy h1 {
  margin: 0;
  font-family: "Fraunces", Georgia, serif;
  font-size: clamp(3.6rem, 8vw, 7.4rem);
  line-height: 0.92;
  letter-spacing: -0.05em;
}

.feature-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.feature-meta span {
  padding: 10px 14px;
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.74);
  color: rgba(24, 32, 45, 0.78);
  font-size: 0.88rem;
  font-weight: 700;
}

.feature-hero-media,
.story-media {
  margin: 0;
}

.feature-hero-media img,
.story-media img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 34px;
  border: 1px solid rgba(15, 23, 42, 0.08);
  box-shadow: 0 34px 86px rgba(15, 23, 42, 0.12);
}

.feature-hero-media figcaption,
.story-media figcaption {
  margin-top: 14px;
  color: rgba(24, 32, 45, 0.72);
  font-size: 0.96rem;
  line-height: 1.7;
}

.article-body-feature {
  padding-top: 44px;
}

.story-intro {
  max-width: 780px;
  margin: 0 auto 18px;
}

.story-intro p {
  font-size: 1.14rem;
}

.story-section {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(320px, 0.92fr);
  gap: 34px;
  align-items: center;
  padding: 48px 0;
}

.story-section-reverse {
  grid-template-columns: minmax(320px, 0.92fr) minmax(0, 0.88fr);
}

.story-section-reverse .story-section-copy {
  order: 2;
}

.story-section-reverse .story-media {
  order: 1;
}

.story-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
  color: var(--page-accent);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.story-kicker::before {
  content: "";
  width: 34px;
  height: 1px;
  background: currentColor;
}

.story-section-copy h2,
.spike-bar-header h2 {
  margin: 0;
  font-family: "Fraunces", Georgia, serif;
  font-size: clamp(2.2rem, 4.8vw, 4rem);
  line-height: 1.02;
  letter-spacing: -0.04em;
}

.story-summary {
  margin: 18px 0 22px;
  color: rgba(24, 32, 45, 0.82);
  font-size: 1.08rem;
  font-weight: 700;
  line-height: 1.78;
}

.story-section-copy p {
  margin: 0 0 18px;
  color: rgba(24, 32, 45, 0.84);
  line-height: 1.9;
}

.prompt-drawer {
  margin-top: 28px;
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 24px;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(245, 158, 11, 0.05), transparent 38%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(255, 255, 255, 0.86));
  box-shadow: 0 22px 64px rgba(15, 23, 42, 0.08);
}

.prompt-drawer summary {
  display: grid;
  gap: 6px;
  padding: 20px 22px;
  cursor: pointer;
  list-style: none;
}

.prompt-drawer summary::-webkit-details-marker {
  display: none;
}

.prompt-drawer summary strong {
  font-size: 1rem;
}

.prompt-drawer summary span {
  color: rgba(24, 32, 45, 0.72);
  font-size: 0.92rem;
}

.prompt-drawer-body {
  padding: 0 22px 22px;
}

.prompt-drawer-body p {
  margin: 0;
  color: rgba(24, 32, 45, 0.78);
  font-size: 0.96rem;
  line-height: 1.85;
}

.story-section-territory {
  grid-template-columns: 1fr;
  gap: 24px;
}

.story-media-wide img {
  border-radius: 38px;
}

.spike-bar {
  margin-top: 24px;
  padding: 34px;
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 34px;
  background:
    linear-gradient(135deg, rgba(124, 156, 255, 0.08), transparent 42%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(255, 255, 255, 0.9));
  box-shadow: 0 28px 74px rgba(15, 23, 42, 0.09);
}

.spike-bar-header {
  max-width: 780px;
}

.spike-bar-header p {
  margin: 16px 0 0;
  color: rgba(24, 32, 45, 0.78);
  line-height: 1.85;
}

.spike-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 28px;
}

.spike-chip {
  padding: 22px;
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.82);
}

.spike-chip span {
  display: block;
  margin-bottom: 10px;
  color: var(--page-accent);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.spike-chip strong {
  display: block;
  color: var(--text);
  font-size: 0.98rem;
  line-height: 1.65;
  overflow-wrap: anywhere;
}

.detail-card summary:focus-visible,
.callout-expandable summary:focus-visible,
.prompt-drawer summary:focus-visible {
  outline: 2px solid rgba(14, 165, 164, 0.3);
  outline-offset: -2px;
}

.progress-bar {
  position: fixed;
  inset: 0 auto auto 0;
  z-index: 50;
  width: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--page-accent), var(--coral));
  box-shadow: 0 0 24px rgba(249, 115, 22, 0.25);
}

[data-reveal] {
  opacity: 0;
  transform: translateY(26px);
  transition:
    opacity 700ms ease,
    transform 700ms ease;
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes pulseRing {
  0%, 100% { transform: scale(1); opacity: 0.68; }
  50% { transform: scale(1.03); opacity: 1; }
}

@keyframes floatNode {
  0%, 100% { transform: translate3d(0, 0, 0); }
  50% { transform: translate3d(0, -10px, 0); }
}

@keyframes corePulse {
  0%, 100% { transform: translate(-50%, -50%) scale(1); }
  50% { transform: translate(-50%, -50%) scale(1.08); }
}

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

@media (max-width: 1080px) {
  .hero,
  .split-section,
  .hero-blog,
  .feature-hero,
  .story-section,
  .story-section-reverse {
    grid-template-columns: 1fr;
  }

  .story-section-reverse .story-section-copy,
  .story-section-reverse .story-media {
    order: initial;
  }

  .card-grid.three,
  .sequence-rail,
  .stack-grid,
  .flow-grid,
  .atlas-grid,
  .source-grid,
  .blog-preview-grid,
  .blog-preview-grid.compact,
  .timeline-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero-figure-growth { width: 48%; }
  .hero-figure-actor { width: 32%; }
}

@media (max-width: 820px) {
  .page-shell {
    width: min(100% - 24px, var(--max-width));
  }

  .site-header {
    flex-wrap: wrap;
    justify-content: center;
    border-radius: 30px;
  }

  .site-nav {
    order: 3;
    flex-wrap: wrap;
    justify-content: center;
  }

  .hero {
    padding-top: 72px;
  }

  .hero-band,
  .card-grid.two,
  .card-grid.three,
  .sequence-rail,
  .stack-grid,
  .flow-grid,
  .atlas-grid,
  .source-grid,
  .blog-preview-grid,
  .blog-preview-grid.compact,
  .timeline-grid {
    grid-template-columns: 1fr;
  }

  .signal-frame {
    min-height: 500px;
  }

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

  .article-layout {
    padding: 28px 22px;
  }

  .article-layout-feature {
    padding: 0;
  }

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

@media (max-width: 560px) {
  .button,
  .button.compact {
    width: 100%;
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-copy h1 {
    max-width: 9ch;
  }

  .signal-frame {
    min-height: 420px;
  }

  .hero-figure-growth {
    top: 16px;
    right: 16px;
    width: 46%;
  }

  .hero-figure-actor {
    left: 18px;
    width: 34%;
  }

  .node {
    min-width: 82px;
    padding: 10px 12px;
  }

  .node span {
    font-size: 0.74rem;
  }

  .signal-quote {
    right: 16px;
    left: 16px;
    bottom: 16px;
    max-width: none;
  }

  .signal-ledger {
    left: 16px;
    bottom: 144px;
  }

  .cta-panel,
  .glass-card,
  .map-card,
  .stack-card,
  .flow-card,
  .timeline-card,
  .protocol-card,
  .diagram-card,
  .atlas-card,
  .source-card,
  .journal-card,
  .article-layout,
  .detail-card summary {
    padding: 22px;
  }

  .detail-card-body {
    padding: 0 18px 20px 18px;
  }

  .feature-hero-copy h1 {
    font-size: clamp(3rem, 16vw, 4.8rem);
  }

  .spike-bar {
    padding: 24px;
  }
}

.section-portal {
  padding-top: 24px;
}

.portal-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(320px, 0.82fr);
  gap: 24px;
  align-items: start;
}

.portal-card {
  border: 1px solid var(--line);
  border-radius: 32px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(255, 255, 255, 0.9));
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.portal-card-swarm,
.portal-card-registration {
  padding: 28px;
}

.portal-card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.portal-card-head h2,
.site-footer-copy h2 {
  margin: 6px 0 0;
  font-family: var(--font-sans);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  line-height: 1.02;
  letter-spacing: -0.04em;
}

.portal-kicker {
  color: var(--page-accent);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.portal-chip {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 14px;
  border: 1px solid rgba(14, 165, 164, 0.16);
  border-radius: 999px;
  background: rgba(240, 249, 255, 0.86);
  color: #0f4d59;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.portal-chip-code {
  letter-spacing: 0.04em;
  text-transform: none;
}

.portal-copy {
  margin: 0 0 20px;
  line-height: 1.8;
  color: rgba(24, 32, 45, 0.82);
}

.swarm-stage {
  position: relative;
  min-height: 460px;
  overflow: hidden;
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 28px;
  background:
    radial-gradient(circle at top, rgba(125, 211, 252, 0.36), rgba(255, 255, 255, 0.98) 54%, rgba(244, 247, 251, 1) 100%);
}

.swarm-lines {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.swarm-lines line {
  stroke: rgba(14, 165, 164, 0.16);
  stroke-width: 1.5;
  stroke-dasharray: 8 8;
}

.swarm-node {
  position: absolute;
  display: grid;
  gap: 4px;
  min-width: 152px;
  padding: 16px 18px;
  border: 1px solid rgba(255, 255, 255, 0.76);
  border-radius: 26px;
  background: rgba(255, 255, 255, 0.88);
  text-align: left;
  cursor: pointer;
  transition: transform 200ms ease, box-shadow 200ms ease, opacity 200ms ease;
}

.swarm-node:hover,
.swarm-node:focus-visible {
  transform: translate(-50%, -50%) scale(1.04) !important;
}

.swarm-node.is-birthed {
  border-color: rgba(34, 211, 238, 0.72);
}

.swarm-node-eyebrow {
  color: rgba(100, 116, 139, 0.86);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.swarm-node strong {
  font-size: 0.94rem;
  line-height: 1.35;
}

.swarm-node small {
  color: rgba(71, 85, 105, 0.88);
  font-size: 0.78rem;
}

.swarm-ledger {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 18px;
}

.swarm-ledger article {
  padding: 14px 16px;
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.86);
}

.swarm-ledger span {
  display: block;
  margin-bottom: 8px;
  color: rgba(71, 85, 105, 0.88);
}

.swarm-ledger code {
  color: rgba(15, 23, 42, 0.86);
  font-size: 0.76rem;
}

.registration-form {
  display: grid;
  gap: 16px;
}

.registration-form label {
  display: grid;
  gap: 8px;
}

.registration-form span {
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(71, 85, 105, 0.92);
}

.registration-form input,
.registration-form textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid rgba(15, 23, 42, 0.1);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.98);
  font: inherit;
  color: var(--text);
}

.registration-form input:focus-visible,
.registration-form textarea:focus-visible {
  outline: 2px solid rgba(14, 165, 164, 0.24);
  border-color: rgba(14, 165, 164, 0.42);
}

.registration-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.registration-status {
  display: grid;
  gap: 4px;
  margin-top: 16px;
  padding: 16px 18px;
  border-radius: 20px;
  background: rgba(240, 249, 255, 0.78);
  border: 1px solid rgba(14, 165, 164, 0.12);
}

.site-footer {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(320px, 1.08fr);
  gap: 24px;
  margin-top: 40px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 32px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(255, 255, 255, 0.9));
  box-shadow: var(--shadow);
}

.site-footer-copy p {
  line-height: 1.8;
  color: rgba(24, 32, 45, 0.82);
}

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

.site-footer-ledger article {
  padding: 18px 20px;
  border-radius: 22px;
  background: rgba(244, 247, 251, 0.88);
  border: 1px solid rgba(15, 23, 42, 0.08);
}

.site-footer-ledger span {
  color: rgba(71, 85, 105, 0.88);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.site-footer-ledger code {
  display: block;
  margin-top: 6px;
  font-size: 0.82rem;
  color: rgba(15, 23, 42, 0.92);
  word-break: break-all;
}

@media (max-width: 1100px) {
  .portal-grid,
  .site-footer {
    grid-template-columns: 1fr;
  }

  .swarm-ledger {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .registration-actions {
    width: 100%;
  }

  .swarm-node {
    min-width: 132px;
    padding: 14px 15px;
  }
}