:root {
  --bg: #0e1116;
  --bg-soft: #141920;
  --panel: rgba(255, 255, 255, 0.05);
  --cream: #f7f2e7;
  --mist: #e2ebe4;
  --sand: #efce8a;
  --moss: #2b5a43;
  --moss-deep: #173326;
  --ink: #16211a;
  --text: #edf1ec;
  --muted: #afbbb3;
  --line: rgba(255, 255, 255, 0.08);
  --shadow: 0 32px 90px rgba(0, 0, 0, 0.34);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --max: 1240px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  font-family: "Manrope", system-ui, sans-serif;
  background:
    radial-gradient(circle at 15% 15%, rgba(239, 206, 138, 0.14), transparent 22%),
    radial-gradient(circle at 82% 8%, rgba(43, 90, 67, 0.2), transparent 22%),
    linear-gradient(180deg, #0e1116 0%, #090c10 100%);
  color: var(--text);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 76px 76px;
  mask-image: radial-gradient(circle at center, black 48%, transparent 95%);
  pointer-events: none;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input {
  font: inherit;
}

.fractal-shell {
  position: relative;
  z-index: 1;
  width: min(calc(100% - 40px), var(--max));
  margin: 0 auto;
  padding: 28px 0 72px;
}

.fractal-header {
  position: sticky;
  top: 12px;
  z-index: 20;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  margin-bottom: 24px;
  padding: 14px 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(14, 17, 22, 0.74);
  backdrop-filter: blur(18px);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.22);
}

.fractal-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--sand) 0%, #d1a153 100%);
  color: var(--ink);
  font-weight: 800;
  letter-spacing: 0.08em;
}

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

.brand-copy strong {
  font-size: 0.95rem;
}

.brand-copy span {
  color: var(--muted);
  font-size: 0.82rem;
}

.fractal-nav {
  display: inline-flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 14px;
}

.fractal-nav a {
  color: var(--muted);
  font-size: 0.92rem;
  transition: color 160ms ease;
}

.fractal-nav a:hover,
.fractal-nav a:focus-visible {
  color: var(--text);
}

.hero-grid,
.section-block {
  margin-bottom: 28px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.92fr);
  gap: 28px;
  padding: 42px;
  border: 1px solid rgba(247, 242, 231, 0.12);
  border-radius: var(--radius-xl);
  background:
    radial-gradient(circle at 12% 14%, rgba(239, 206, 138, 0.18), transparent 22%),
    radial-gradient(circle at 88% 12%, rgba(43, 90, 67, 0.2), transparent 22%),
    linear-gradient(135deg, rgba(247, 242, 231, 0.96), rgba(226, 235, 228, 0.94));
  color: var(--ink);
  box-shadow: var(--shadow);
}

.eyebrow,
.signal-label,
.control-label,
.path-step,
.lens-kicker {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.eyebrow,
.lens-kicker {
  background: rgba(43, 90, 67, 0.12);
  color: var(--moss-deep);
}

.hero-copy h1,
.section-heading h2,
.closing-panel h2,
.signal-card h2 {
  margin: 0;
  font-family: "Fraunces", Georgia, serif;
  font-weight: 700;
  line-height: 0.96;
  letter-spacing: -0.04em;
}

.hero-copy h1 {
  margin-top: 18px;
  max-width: 12ch;
  font-size: clamp(3rem, 6vw, 5.4rem);
}

.hero-lead,
.section-heading p,
.signal-card p,
.concept-card p,
.path-card p,
.lens-copy p,
.lens-copy li,
.theory-note p {
  line-height: 1.6;
}

.hero-lead {
  max-width: 60ch;
  margin: 22px 0 0;
  color: #465b4e;
  font-size: 1.05rem;
}

.hero-actions,
.closing-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
}

.button-primary {
  background: linear-gradient(135deg, var(--moss) 0%, #43715b 100%);
  color: #f8f4ec;
}

.button-secondary {
  border-color: rgba(22, 33, 26, 0.12);
  background: rgba(255, 255, 255, 0.48);
  color: var(--ink);
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 30px;
}

.metric-card,
.signal-card,
.concept-card,
.path-card,
.control-panel,
.canvas-panel,
.lens-grid,
.closing-panel {
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.metric-card {
  display: grid;
  gap: 4px;
  padding: 16px 18px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.62);
  border-color: rgba(22, 33, 26, 0.08);
}

.metric-value {
  font-family: "Fraunces", Georgia, serif;
  font-size: 2.1rem;
  font-weight: 700;
}

.metric-label {
  color: #5c6d62;
  font-size: 0.92rem;
}

.hero-rail {
  display: grid;
  gap: 18px;
  align-content: start;
}

.signal-card {
  padding: 24px;
  border-radius: 28px;
}

.signal-card-dark {
  background: linear-gradient(155deg, #1d3c2f 0%, #2e5e46 100%);
  color: #f8f4ec;
}

.signal-card-dark .signal-label {
  background: rgba(247, 242, 231, 0.16);
  color: #dfe8e1;
}

.signal-card-light {
  background: rgba(255, 255, 255, 0.52);
  color: var(--ink);
  border-color: rgba(22, 33, 26, 0.08);
}

.signal-card-light .signal-label {
  background: rgba(43, 90, 67, 0.12);
  color: #446150;
}

.signal-card h2 {
  margin-top: 16px;
  font-size: 2rem;
}

.signal-card p:last-child {
  margin-bottom: 0;
}

.section-heading {
  max-width: 74ch;
  margin-bottom: 20px;
}

.section-heading h2 {
  font-size: clamp(2.3rem, 4vw, 3.7rem);
}

.section-heading p {
  margin: 12px 0 0;
  color: var(--muted);
}

.explorer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(280px, 0.82fr);
  gap: 24px;
}

.case-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(300px, 0.92fr);
  gap: 24px;
}

.canvas-panel,
.control-panel,
.case-panel,
.case-notes,
.closing-panel,
.lens-grid {
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.04);
}

.canvas-panel {
  overflow: hidden;
}

#mandelbrot-canvas {
  display: block;
  width: 100%;
  height: auto;
  background:
    radial-gradient(circle at 20% 20%, rgba(239, 206, 138, 0.08), transparent 30%),
    linear-gradient(180deg, #07090d 0%, #111824 100%);
  cursor: crosshair;
}

.canvas-caption {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 18px 18px;
  color: var(--muted);
  font-size: 0.92rem;
}

.control-panel {
  display: grid;
  gap: 18px;
  padding: 20px;
}

.case-panel,
.case-notes {
  display: grid;
  gap: 18px;
  padding: 22px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.case-notes {
  align-content: start;
}

.control-block {
  display: grid;
  gap: 12px;
}

.control-label {
  background: rgba(239, 206, 138, 0.12);
  color: #f2dca7;
}

.preset-grid,
.palette-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.preset-button,
.palette-button,
.lens-button {
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  padding: 10px 14px;
  font-weight: 700;
  cursor: pointer;
  transition: background 160ms ease, transform 160ms ease, border-color 160ms ease;
}

.preset-button:hover,
.palette-button:hover,
.lens-button:hover,
.preset-button:focus-visible,
.palette-button:focus-visible,
.lens-button:focus-visible,
.preset-button.is-active,
.palette-button.is-active,
.lens-button.is-active {
  background: rgba(239, 206, 138, 0.16);
  border-color: rgba(239, 206, 138, 0.28);
  transform: translateY(-1px);
}

input[type="range"] {
  width: 100%;
}

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

.stat-list div {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.stat-list dt {
  color: var(--muted);
}

.stat-list dd {
  margin: 0;
  font-weight: 700;
}

.case-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.case-stat {
  display: grid;
  gap: 4px;
  padding: 16px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.case-stat-value {
  font-family: "Fraunces", Georgia, serif;
  font-size: 2rem;
  line-height: 1;
}

.case-stat-label {
  color: var(--muted);
  font-size: 0.9rem;
}

.cluster-board {
  display: grid;
  gap: 14px;
}

.cluster-card {
  display: grid;
  gap: 12px;
  padding: 16px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.cluster-card header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}

.cluster-card h3 {
  margin: 0;
  font-size: 1rem;
}

.cluster-score {
  color: var(--muted);
  font-size: 0.9rem;
}

.cluster-members {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.record-pill {
  display: inline-flex;
  flex-direction: column;
  gap: 2px;
  min-width: 104px;
  padding: 10px 12px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(239, 206, 138, 0.12), rgba(255, 255, 255, 0.06));
  border: 1px solid rgba(239, 206, 138, 0.14);
}

.record-pill strong {
  font-size: 0.92rem;
}

.record-pill span {
  color: var(--muted);
  font-size: 0.78rem;
}

.record-pill.is-unstable {
  background: linear-gradient(135deg, rgba(239, 143, 138, 0.14), rgba(255, 255, 255, 0.06));
  border-color: rgba(239, 143, 138, 0.22);
}

.review-panel {
  padding: 16px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.review-panel h3 {
  margin: 0 0 10px;
  font-size: 1rem;
}

.review-panel ul {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.6;
}

.theory-note {
  padding: 18px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.03);
}

.concept-grid,
.path-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.concept-card,
.path-card {
  padding: 22px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.04);
}

.concept-card h3,
.path-card h3,
.lens-copy h3 {
  margin: 0 0 12px;
  font-size: 1.25rem;
}

.lens-grid {
  display: grid;
  grid-template-columns: 220px minmax(220px, 0.7fr) minmax(0, 1fr);
  gap: 22px;
  padding: 24px;
}

.lens-rail {
  display: grid;
  gap: 10px;
  align-content: start;
}

.lens-visual {
  position: relative;
  min-height: 320px;
  border-radius: var(--radius-md);
  background:
    radial-gradient(circle at 22% 24%, rgba(239, 206, 138, 0.16), transparent 32%),
    rgba(255, 255, 255, 0.03);
  overflow: hidden;
}

.lens-layer {
  position: absolute;
  inset: 0;
  margin: auto;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 26px;
  opacity: 0.2;
  transition: opacity 200ms ease, transform 220ms ease, border-color 200ms ease;
}

.lens-layer.is-active {
  opacity: 1;
  border-color: rgba(239, 206, 138, 0.38);
}

.layer-field {
  width: 72px;
  height: 72px;
  background: rgba(239, 206, 138, 0.2);
}

.layer-record {
  width: 128px;
  height: 128px;
  background: rgba(144, 179, 157, 0.14);
}

.layer-entity {
  width: 186px;
  height: 186px;
}

.layer-domain {
  width: 246px;
  height: 246px;
}

.layer-enterprise {
  width: 306px;
  height: 306px;
}

.lens-copy {
  align-self: center;
}

.lens-copy ul {
  padding-left: 18px;
  color: var(--muted);
}

.path-card {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.03));
}

.path-step {
  background: rgba(239, 206, 138, 0.14);
  color: #f2dca7;
  margin-bottom: 14px;
}

.closing-panel {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding: 28px;
}

[data-reveal] {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 460ms ease, transform 460ms ease;
}

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

@media (max-width: 1040px) {
  .hero-grid,
  .explorer-grid,
  .case-grid,
  .lens-grid,
  .concept-grid,
  .path-grid {
    grid-template-columns: 1fr;
  }

  .hero-metrics,
  .case-stats {
    grid-template-columns: 1fr;
  }

  .closing-panel {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 760px) {
  .fractal-shell {
    width: min(calc(100% - 24px), var(--max));
    padding-top: 16px;
  }

  .fractal-header {
    position: static;
    border-radius: 24px;
    flex-direction: column;
    align-items: stretch;
  }

  .fractal-nav {
    justify-content: flex-start;
  }

  .hero-grid,
  .section-block,
  .canvas-panel,
  .control-panel,
  .closing-panel,
  .lens-grid {
    border-radius: 24px;
  }

  .hero-grid {
    padding: 28px;
  }

  .hero-copy h1,
  .section-heading h2,
  .closing-panel h2 {
    line-height: 1;
  }
}