/* Audax OS · website
   Manifesto + field guide. Six pages. Reuses the design system tokens.
   Imports the global tokens and adds the marketing-site rhythm:
   editorial hero scale, manifesto contrasts, framework cards,
   matrix diagram, nested circles, three-modes triad. */
@import url('colors_and_type.css');

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--surface-parchment);
  color: var(--fg-2);
  font-family: var(--font-sans);
  font-weight: var(--w-light);
  font-size: var(--t-body);
  line-height: var(--lh-relaxed);
  min-width: 1180px;
}

/* ---------- nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 56px;
  background: rgba(251,250,243,0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur-3) var(--ease-out);
}
.nav.scrolled { border-bottom-color: var(--border-2); }
.nav-brand { display: flex; align-items: center; gap: 12px; }
.nav-brand img { width: 30px; height: 30px; display: block; }
.nav-brand-text {
  font-size: 11px; font-weight: 500; letter-spacing: 0.22em;
  text-transform: uppercase; color: var(--ink-900);
}
.nav-links { display: flex; align-items: center; gap: 32px; }
.nav-link {
  font-size: 13px; font-weight: 400; color: var(--ink-700);
  text-decoration: none; border: none; padding-bottom: 2px;
  border-bottom: 1px solid transparent;
  transition: color var(--dur-2), border-color var(--dur-2);
  cursor: pointer; background: transparent; font-family: var(--font-sans);
}
.nav-link:hover { color: var(--ink-900); }
.nav-link.active { color: var(--ink-900); border-bottom-color: var(--forest-700); }
.nav-cta {
  font-family: var(--font-sans); font-weight: 400; font-size: 13px;
  padding: 8px 16px; border-radius: 999px;
  background: var(--forest-700); color: #fff;
  border: none; cursor: pointer;
  transition: background var(--dur-2);
}
.nav-cta:hover { background: var(--forest-800); }

/* ---------- layout helpers ---------- */
.container { max-width: 1180px; margin: 0 auto; padding: 0 56px; }
.container-narrow { max-width: 820px; margin: 0 auto; padding: 0 56px; }
.section { padding: 128px 0; }
.section-tight { padding: 96px 0; }
.section-bleed { padding: 128px 56px; }

.eyebrow {
  font-size: 11px; font-weight: 500; letter-spacing: 0.22em;
  text-transform: uppercase; color: var(--forest-800);
  display: inline-block; margin-bottom: 28px;
}
.eyebrow-soft { color: var(--ink-500); }

h1.display, h2.display {
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: -0.028em;
  line-height: 1.02;
  color: var(--ink-900);
  margin: 0;
  text-wrap: balance;
}
h1.display { font-size: clamp(56px, 7vw, 96px); }
h1.display.lg { font-size: clamp(72px, 8.5vw, 120px); }
h2.display { font-size: clamp(40px, 4.5vw, 64px); }
.display em { font-style: italic; color: var(--forest-700); font-weight: 400; }

.lede {
  font-size: clamp(18px, 1.4vw, 22px);
  font-weight: 300; line-height: 1.5;
  color: var(--ink-700);
  max-width: 640px;
  text-wrap: pretty;
}
.lede.center { margin-left: auto; margin-right: auto; text-align: center; }
.body-p {
  font-size: 17px; font-weight: 300; line-height: 1.65;
  color: var(--ink-700); margin: 0;
}

/* ---------- hero ---------- */
.hero {
  position: relative;
  padding: 120px 56px 96px;
  overflow: hidden;
  min-height: 84vh;
  display: flex; align-items: center;
}
.hero-wash {
  position: absolute; top: 0; right: -5%; bottom: 0; left: 35%;
  background-image: var(--hero-image, none);
  background-size: cover; background-position: center;
  opacity: 0.65;
  mix-blend-mode: multiply;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, #000 30%, #000 95%, transparent 100%);
          mask-image: linear-gradient(90deg, transparent 0%, #000 30%, #000 95%, transparent 100%);
}
.hero-fade {
  position: absolute; left: 0; right: 0; bottom: -1px; height: 32%;
  background: linear-gradient(180deg, transparent 0%, var(--surface-parchment) 100%);
  pointer-events: none;
}
.hero-vertical {
  position: absolute; right: 22px; top: 0; bottom: 0;
  display: flex; align-items: center; pointer-events: none;
}
.hero-vertical span {
  writing-mode: vertical-rl; transform: rotate(180deg);
  font-size: 11px; font-weight: 500; letter-spacing: 0.32em;
  text-transform: uppercase; color: var(--ink-700);
}
.hero-inner { position: relative; z-index: 2; max-width: 760px; }
.hero h1 { margin: 0 0 28px; }
.hero h1.display.lg { margin: 0 0 32px; }
.hero .lede { margin-bottom: 40px; }
.hero-ctas { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }

/* small section hero (interior pages) */
.hero-small {
  position: relative;
  padding: 96px 56px 80px;
  overflow: hidden;
}
.hero-small .hero-wash { left: 50%; opacity: 0.5; }
.hero-small .hero-inner { max-width: 760px; }
.hero-small h1 { font-size: clamp(48px, 6vw, 88px); margin: 0 0 22px; }

/* ---------- buttons ---------- */
.btn {
  font-family: var(--font-sans); font-weight: 400; font-size: 14px;
  padding: 13px 22px; border-radius: 10px;
  border: 1px solid transparent;
  cursor: pointer; line-height: 1; letter-spacing: 0;
  display: inline-flex; align-items: center; gap: 8px;
  transition: background var(--dur-2), color var(--dur-2), border-color var(--dur-2), box-shadow var(--dur-2), transform var(--dur-2);
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--forest-700); color: #fff; }
.btn-primary:hover { background: var(--forest-800); box-shadow: var(--shadow-forest); }
.btn-accent { background: var(--lichen-500); color: var(--forest-900); }
.btn-accent:hover { background: var(--lichen-400); }
.btn-secondary { background: transparent; color: var(--ink-900); border-color: var(--ink-300); }
.btn-secondary:hover { border-color: var(--ink-900); }
.btn-ghost { background: transparent; color: var(--ink-700); }
.btn-ghost:hover { color: var(--ink-900); }
.btn .lucide { width: 14px; height: 14px; stroke-width: 1.5; }
.btn-lg { padding: 16px 28px; font-size: 15px; }

/* ---------- manifesto ---------- */
.manifesto { background: var(--surface-white); border-top: 1px solid var(--border-2); border-bottom: 1px solid var(--border-2); }
.manifesto-intro {
  font-family: var(--font-display);
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 400; letter-spacing: -0.02em; line-height: 1.2;
  color: var(--ink-900);
  max-width: 720px;
  margin: 0 0 64px;
  text-wrap: balance;
}
.manifesto-intro em { font-style: italic; color: var(--forest-700); }
.manifesto-list {
  display: flex; flex-direction: column;
  gap: 4px;
  border-top: 1px solid var(--border-2);
}
.manifesto-pair {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 32px;
  align-items: baseline;
  padding: 28px 0;
  border-bottom: 1px solid var(--border-2);
  font-family: var(--font-display);
  font-size: clamp(24px, 2.4vw, 36px);
  font-weight: 400; letter-spacing: -0.02em; line-height: 1.1;
}
.manifesto-pair .strong { color: var(--ink-900); }
.manifesto-pair .strong em { font-style: italic; color: var(--forest-700); }
.manifesto-pair .over {
  font-size: 11px; font-weight: 500; letter-spacing: 0.22em;
  text-transform: uppercase; color: var(--ink-500); font-family: var(--font-sans);
  align-self: center;
}
.manifesto-pair .weak {
  color: var(--ink-400);
  text-decoration: line-through;
  text-decoration-color: var(--ink-300);
  text-decoration-thickness: 1px;
}

/* ---------- problem/contrast (Old vs Agentic) ---------- */
.contrast-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 0;
  border: 1px solid var(--border-1); border-radius: 16px; overflow: hidden;
  background: var(--surface-white);
}
.contrast-col { padding: 48px 44px; }
.contrast-col + .contrast-col {
  border-left: 1px solid var(--border-1);
  background: var(--forest-050);
}
.contrast-col h6 {
  font-size: 11px; font-weight: 500; letter-spacing: 0.22em;
  text-transform: uppercase; color: var(--ink-500); margin: 0 0 24px;
}
.contrast-col h3 {
  font-family: var(--font-display);
  font-size: 32px; font-weight: 400; letter-spacing: -0.02em;
  color: var(--ink-900); line-height: 1.1; margin: 0 0 24px;
}
.contrast-col ul { list-style: none; padding: 0; margin: 0; }
.contrast-col li {
  font-size: 15px; font-weight: 300; line-height: 1.55;
  color: var(--ink-700);
  padding: 10px 0;
  border-bottom: 1px solid var(--border-2);
}
.contrast-col li:last-child { border-bottom: 0; }
.contrast-col + .contrast-col li { color: var(--ink-800); }

/* ---------- insight cards (why now) ---------- */
.insight-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px;
}
.insight-card {
  background: var(--surface-white);
  border: 1px solid var(--border-1);
  border-radius: 14px;
  padding: 32px 28px;
  display: flex; flex-direction: column;
  min-height: 240px;
}
.insight-card .num {
  font-family: var(--font-display);
  font-size: 32px; font-weight: 400; color: var(--forest-700);
  letter-spacing: -0.02em;
  margin-bottom: 18px;
}
.insight-card h4 {
  font-family: var(--font-display);
  font-size: 22px; font-weight: 400; letter-spacing: -0.015em;
  color: var(--ink-900); line-height: 1.15;
  margin: 0 0 12px;
}
.insight-card p {
  font-size: 14px; font-weight: 300; line-height: 1.6;
  color: var(--ink-600); margin: 0;
}

/* ---------- framework reveal (5x5x3) ---------- */
.fr-reveal {
  background: var(--surface-white);
  border: 1px solid var(--border-1); border-radius: 20px;
  padding: 64px 56px;
}
.fr-axes {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px;
  margin-top: 48px;
}
.fr-axis { text-align: left; }
.fr-axis .ax-num {
  font-family: var(--font-display);
  font-size: 56px; font-weight: 400; color: var(--forest-700);
  letter-spacing: -0.025em; line-height: 1;
}
.fr-axis h4 {
  font-family: var(--font-display);
  font-size: 28px; font-weight: 400; letter-spacing: -0.02em;
  color: var(--ink-900); margin: 8px 0 12px;
}
.fr-axis .meta {
  font-size: 12px; font-weight: 500; letter-spacing: 0.04em;
  color: var(--ink-500); text-transform: uppercase;
  margin-bottom: 14px;
}
.fr-axis ul { list-style: none; padding: 0; margin: 0; }
.fr-axis li {
  font-size: 14px; font-weight: 400; color: var(--ink-700);
  padding: 6px 0; border-bottom: 1px solid var(--border-2);
}
.fr-axis li:last-child { border-bottom: 0; }

/* ---------- framework cards (spheres / layers / modes) ---------- */
.fw-cards {
  display: grid; gap: 24px;
  grid-template-columns: repeat(2, 1fr);
}
.fw-card {
  background: var(--surface-white);
  border: 1px solid var(--border-1);
  border-radius: 18px;
  overflow: hidden;
  display: flex; flex-direction: column;
}
.fw-card-art {
  aspect-ratio: 16/8;
  background-color: var(--forest-050);
  background-size: cover; background-position: center;
  position: relative;
}
.fw-card-art::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(20,19,14,0.16) 100%);
}
.fw-card-body { padding: 32px 36px 36px; }
.fw-card-num {
  font-family: var(--font-mono);
  font-size: 12px; font-weight: 500; color: var(--ink-500);
  letter-spacing: 0.05em;
  margin-bottom: 12px;
}
.fw-card h3 {
  font-family: var(--font-display);
  font-size: 36px; font-weight: 400; letter-spacing: -0.025em;
  color: var(--ink-900); line-height: 1.05;
  margin: 0 0 16px;
}
.fw-card .def {
  font-size: 16px; font-weight: 300; line-height: 1.55;
  color: var(--ink-700);
  margin: 0 0 24px;
  text-wrap: pretty;
}
.fw-card .keys {
  display: flex; flex-direction: column; gap: 0;
  margin-top: 8px;
}
.fw-card .keys h6 {
  font-size: 10px; font-weight: 500; letter-spacing: 0.22em;
  text-transform: uppercase; color: var(--ink-500); margin: 0 0 12px;
}
.fw-card .key {
  font-size: 14px; font-weight: 400; color: var(--ink-800);
  padding: 8px 0;
  border-bottom: 1px solid var(--border-2);
  display: flex; align-items: baseline; gap: 12px;
}
.fw-card .key::before {
  content: ''; width: 6px; height: 6px; border-radius: 999px;
  background: var(--forest-400);
  flex-shrink: 0; transform: translateY(3px);
}
.fw-card .key:last-child { border-bottom: 0; }

/* ---------- matrix table ---------- */
.matrix {
  width: 100%; border-collapse: collapse;
  background: var(--surface-white);
  border: 1px solid var(--border-1); border-radius: 16px;
  overflow: hidden;
}
.matrix th, .matrix td {
  padding: 18px 20px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--border-2);
  border-right: 1px solid var(--border-2);
  font-size: 13px; font-weight: 300; line-height: 1.5;
  color: var(--ink-700);
}
.matrix th:last-child, .matrix td:last-child { border-right: 0; }
.matrix tr:last-child td { border-bottom: 0; }
.matrix thead th {
  background: var(--surface-paper);
  font-family: var(--font-display);
  font-weight: 400; font-size: 16px;
  letter-spacing: -0.01em; color: var(--ink-900);
}
.matrix thead th:first-child {
  font-family: var(--font-sans);
  font-size: 10px; font-weight: 500;
  letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--ink-500);
}
.matrix tbody th {
  font-family: var(--font-display); font-weight: 400; font-size: 18px;
  letter-spacing: -0.015em; color: var(--ink-900);
  background: var(--surface-paper);
  width: 200px;
}
.matrix td em { color: var(--forest-700); font-style: italic; font-weight: 400; }

/* ---------- cta band ---------- */
.cta-band {
  position: relative;
  padding: 120px 56px;
  text-align: center;
  overflow: hidden;
  background: var(--grad-deep);
  color: #fff;
}
.cta-band .wash {
  position: absolute; inset: 0;
  background-image: var(--cta-image, none);
  background-size: cover; background-position: center;
  opacity: 0.25;
  mix-blend-mode: screen;
  pointer-events: none;
}
.cta-band-inner { position: relative; z-index: 2; max-width: 760px; margin: 0 auto; }
.cta-band h2 {
  font-family: var(--font-display);
  font-size: clamp(40px, 4.5vw, 64px);
  font-weight: 400; letter-spacing: -0.025em; line-height: 1.04;
  color: #fff; margin: 0 0 24px;
  text-wrap: balance;
}
.cta-band h2 em { font-style: italic; color: var(--lichen-400); }
.cta-band p {
  font-size: 18px; font-weight: 300; line-height: 1.5;
  color: rgba(255,255,255,0.78);
  max-width: 540px; margin: 0 auto 40px;
}
.cta-band .btn-primary { background: var(--lichen-500); color: var(--forest-900); }
.cta-band .btn-primary:hover { background: var(--lichen-400); box-shadow: none; }
.cta-band .btn-ghost { color: rgba(255,255,255,0.78); }
.cta-band .btn-ghost:hover { color: #fff; }

/* ---------- footer ---------- */
.footer {
  background: var(--surface-white);
  padding: 80px 56px 40px;
  border-top: 1px solid var(--border-2);
}
.footer-inner {
  max-width: 1180px; margin: 0 auto;
  display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 56px;
}
.footer-brand img { width: 36px; height: 36px; }
.footer-brand-text {
  margin-top: 16px; font-size: 11px; font-weight: 500;
  letter-spacing: 0.22em; text-transform: uppercase; color: var(--ink-500);
}
.footer-tagline {
  margin-top: 14px;
  font-family: var(--font-display);
  font-size: 18px; font-weight: 400; letter-spacing: -0.01em;
  color: var(--ink-800);
  max-width: 280px;
  line-height: 1.25;
}
.footer-col h6 {
  font-size: 11px; font-weight: 500; letter-spacing: 0.22em;
  text-transform: uppercase; color: var(--ink-500); margin: 0 0 16px;
}
.footer-col { display: flex; flex-direction: column; gap: 10px; }
.footer-col a {
  font-size: 14px; font-weight: 300; color: var(--ink-700);
  text-decoration: none; border: none; cursor: pointer;
}
.footer-col a:hover { color: var(--forest-800); }
.footer-bottom {
  max-width: 1180px; margin: 64px auto 0;
  padding-top: 24px; border-top: 1px solid var(--border-2);
  display: flex; justify-content: space-between; align-items: center;
  font-size: 12px; color: var(--ink-500); font-weight: 300;
}

/* ---------- diagram primitives ---------- */
/* Three-axis matrix diagram (5x5x3) */
.diagram-axes {
  position: relative; width: 100%; aspect-ratio: 1.4/1;
  max-width: 760px; margin: 0 auto;
}
.diagram-axes svg { width: 100%; height: 100%; display: block; }

/* Nested circles */
.nested-circles {
  position: relative; width: 100%; max-width: 720px; aspect-ratio: 1/1;
  margin: 0 auto;
}
.nested-circles svg { width: 100%; height: 100%; display: block; }

/* Three modes triad */
.triad {
  position: relative; width: 100%; max-width: 760px; aspect-ratio: 1.3/1;
  margin: 0 auto;
}
.triad svg { width: 100%; height: 100%; display: block; }

/* ---------- audience / who-for cards ---------- */
.aud-row {
  display: grid; grid-template-columns: 280px 1fr; gap: 56px;
  padding: 56px 0;
  border-bottom: 1px solid var(--border-2);
  align-items: start;
}
.aud-row:first-of-type { border-top: 1px solid var(--border-2); }
.aud-row h6 {
  font-size: 11px; font-weight: 500; letter-spacing: 0.22em;
  text-transform: uppercase; color: var(--ink-500); margin: 0 0 12px;
}
.aud-row h3 {
  font-family: var(--font-display);
  font-size: 36px; font-weight: 400; letter-spacing: -0.025em;
  color: var(--ink-900); line-height: 1.05;
  margin: 0;
}
.aud-row .who-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 40px;
}
.aud-row .who-grid h6 {
  font-size: 10px; font-weight: 500; letter-spacing: 0.22em;
  text-transform: uppercase; color: var(--ink-500); margin: 0 0 14px;
}
.aud-row ul { list-style: none; padding: 0; margin: 0 0 24px; }
.aud-row li {
  font-size: 14px; font-weight: 400; color: var(--ink-700);
  padding: 8px 0; border-bottom: 1px solid var(--border-2);
}
.aud-row li:last-child { border-bottom: 0; }
.aud-row .aud-cta {
  font-size: 14px; font-weight: 400; color: var(--forest-700);
  display: inline-flex; align-items: center; gap: 6px;
  border-bottom: 1px solid var(--forest-300); padding-bottom: 2px;
  text-decoration: none;
}
.aud-row .aud-cta:hover { border-bottom-color: var(--forest-700); }

/* ---------- ways-to-join cards ---------- */
.join-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
}
.join-card {
  background: var(--surface-white);
  border: 1px solid var(--border-1);
  border-radius: 16px;
  padding: 36px 30px;
}
.join-card .num {
  font-family: var(--font-mono);
  font-size: 12px; font-weight: 500; color: var(--forest-700);
  margin-bottom: 16px;
}
.join-card h4 {
  font-family: var(--font-display);
  font-size: 24px; font-weight: 400; letter-spacing: -0.02em;
  color: var(--ink-900); line-height: 1.1; margin: 0 0 10px;
}
.join-card p {
  font-size: 13px; font-weight: 300; line-height: 1.55;
  color: var(--ink-600); margin: 0;
}

/* ---------- form ---------- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field.full { grid-column: 1 / -1; }
.field label {
  font-size: 11px; font-weight: 500; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--ink-700);
}
.field input, .field textarea, .field select {
  font-family: var(--font-sans); font-weight: 300;
  font-size: 15px; color: var(--ink-900);
  padding: 14px 16px; border-radius: 10px;
  border: 1px solid var(--border-1);
  background: var(--surface-white);
  outline: none; resize: vertical;
  transition: border-color var(--dur-2), box-shadow var(--dur-2);
}
.field input:focus, .field textarea:focus, .field select:focus {
  border-color: var(--forest-500);
  box-shadow: var(--ring-focus);
}
.field input::placeholder, .field textarea::placeholder { color: var(--ink-400); }
.field-radios {
  display: grid; grid-template-columns: 1fr 1fr; gap: 10px;
}
.field-radios label {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 14px;
  border: 1px solid var(--border-1); border-radius: 10px;
  font-size: 14px; font-weight: 400; color: var(--ink-700);
  cursor: pointer; letter-spacing: 0; text-transform: none;
  background: var(--surface-white);
  transition: border-color var(--dur-2), background var(--dur-2);
}
.field-radios label:hover { border-color: var(--ink-400); }
.field-radios input { display: none; }
.field-radios label.checked {
  border-color: var(--forest-500);
  background: var(--forest-050);
  color: var(--forest-900);
}

/* ---------- question block (Join page) ---------- */
.q-list { list-style: none; padding: 0; margin: 0; }
.q-list li {
  padding: 28px 0;
  border-bottom: 1px solid var(--border-2);
  font-family: var(--font-display);
  font-size: clamp(22px, 2vw, 30px);
  font-weight: 400; letter-spacing: -0.018em; line-height: 1.2;
  color: var(--ink-900);
  display: flex; gap: 20px; align-items: baseline;
}
.q-list li::before {
  content: counter(q, decimal-leading-zero);
  counter-increment: q;
  font-family: var(--font-mono);
  font-size: 11px; font-weight: 500;
  color: var(--forest-700); letter-spacing: 0.04em;
  flex-shrink: 0; min-width: 40px;
  transform: translateY(-4px);
}
.q-list { counter-reset: q; }

/* ---------- network credit ---------- */
.credit {
  background: var(--surface-white);
  border: 1px solid var(--border-1);
  border-radius: 18px;
  padding: 56px 56px;
  display: grid; grid-template-columns: 1fr 1fr; gap: 64px;
  align-items: center;
}
.credit .visual {
  aspect-ratio: 1/1;
  background: var(--credit-image, var(--forest-050)) center/cover no-repeat;
  border-radius: 14px;
  position: relative;
  overflow: hidden;
}
.credit .visual::after {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(60% 60% at 50% 50%, transparent 0%, var(--surface-parchment) 110%);
  mix-blend-mode: lighten;
}
.credit h3 {
  font-family: var(--font-display);
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 400; letter-spacing: -0.02em; line-height: 1.05;
  color: var(--ink-900);
  margin: 0 0 24px;
}
.credit h3 em { font-style: italic; color: var(--forest-700); }
.credit p { font-size: 16px; font-weight: 300; line-height: 1.6; color: var(--ink-700); margin: 0 0 16px; text-wrap: pretty; }

/* ---------- section eyebrow + title row ---------- */
.section-head {
  display: flex; flex-direction: column; align-items: flex-start;
  margin-bottom: 56px; max-width: 720px;
}
.section-head.center {
  margin-left: auto; margin-right: auto;
  align-items: center; text-align: center;
}
.section-head h2 {
  font-family: var(--font-display);
  font-size: clamp(36px, 4vw, 56px);
  font-weight: 400; letter-spacing: -0.025em;
  line-height: 1.05; color: var(--ink-900);
  margin: 0 0 16px;
}
.section-head h2 em { font-style: italic; color: var(--forest-700); }
.section-head p {
  font-size: 17px; font-weight: 300; line-height: 1.55;
  color: var(--ink-600); margin: 0; max-width: 560px;
}

/* ---------- entrance ---------- */
@keyframes fadeUp { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: translateY(0); } }
.reveal { opacity: 1; transform: none; }
.reveal-2 { }
.reveal-3 { }

/* ============================================================
   Why-page additions (manifesto sections)
   ============================================================ */

/* Question-as-h1 (big section opener) */
.q-h1 {
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: -0.028em;
  line-height: 1.05;
  color: var(--ink-900);
  font-size: clamp(40px, 5vw, 72px);
  margin: 0 0 40px;
  max-width: 920px;
  text-wrap: balance;
}
.q-h1 em { font-style: italic; color: var(--forest-700); }
.q-h1 .num {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px; font-weight: 500;
  letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--ink-500); margin-bottom: 24px;
  font-style: normal;
}

.q-body p {
  font-size: clamp(17px, 1.3vw, 19px);
  font-weight: 300; line-height: 1.6;
  color: var(--ink-800);
  margin: 0 0 22px;
  max-width: 720px;
  text-wrap: pretty;
}
.q-body p.tight { margin-bottom: 6px; }
.q-body p.lead {
  font-family: var(--font-display);
  font-size: clamp(24px, 2.3vw, 34px);
  font-weight: 400; letter-spacing: -0.02em; line-height: 1.2;
  color: var(--ink-900);
  margin: 32px 0;
  max-width: 760px;
}
.q-body p.lead em { font-style: italic; color: var(--forest-700); }
.q-body strong {
  font-weight: 500; color: var(--ink-900);
}

/* The two big questions (old vs new) */
.shift-block {
  display: flex; flex-direction: column; gap: 32px;
  margin: 56px 0;
}
.shift-card {
  background: var(--surface-white);
  border: 1px solid var(--border-1);
  border-radius: 18px;
  padding: 36px 44px;
  position: relative;
}
.shift-card.then { background: var(--ink-050); }
.shift-card.now { background: var(--forest-050); border-color: var(--forest-200); }
.shift-card .label {
  font-family: var(--font-mono);
  font-size: 11px; font-weight: 500;
  letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--ink-500); margin-bottom: 14px;
}
.shift-card .label.now-label { color: var(--forest-800); }
.shift-card .q {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.2vw, 44px);
  font-weight: 400; letter-spacing: -0.025em; line-height: 1.1;
  color: var(--ink-900); margin: 0;
  text-wrap: balance;
}
.shift-card.then .q { color: var(--ink-500); text-decoration: line-through; text-decoration-color: var(--ink-300); text-decoration-thickness: 1px; }
.shift-card.now .q em { font-style: italic; color: var(--forest-700); }

/* Pull quote */
.pull-quote {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.2vw, 44px);
  font-weight: 400; font-style: italic;
  letter-spacing: -0.022em; line-height: 1.18;
  color: var(--ink-900);
  text-wrap: balance;
  max-width: 880px;
  margin: 56px auto;
  padding: 32px 0;
  border-top: 1px solid var(--border-1);
  border-bottom: 1px solid var(--border-1);
  position: relative;
}
.pull-quote em { color: var(--forest-700); font-style: italic; }
.pull-quote::before {
  content: '';
  position: absolute; left: 0; top: -1px;
  width: 56px; height: 2px;
  background: var(--forest-700);
}

/* Protocol grid (Context · Permission · Memory · ...) */
.protocol-grid {
  display: grid; grid-template-columns: repeat(6, 1fr);
  gap: 12px; margin: 40px 0;
}
.protocol-chip {
  padding: 24px 18px;
  background: var(--surface-white);
  border: 1px solid var(--border-1);
  border-radius: 12px;
  text-align: center;
  display: flex; flex-direction: column;
  align-items: center; gap: 10px;
}
.protocol-chip .num {
  font-family: var(--font-mono);
  font-size: 10px; font-weight: 500;
  color: var(--forest-700); letter-spacing: 0.05em;
}
.protocol-chip .name {
  font-family: var(--font-display);
  font-size: 18px; font-weight: 400;
  letter-spacing: -0.015em; color: var(--ink-900);
  line-height: 1.1;
}

/* Communication → Coordination → Coherence */
.progression {
  display: grid; grid-template-columns: 1fr auto 1fr auto 1fr;
  align-items: center; gap: 8px;
  margin: 56px 0;
}
.progression-step {
  text-align: center;
  padding: 36px 24px;
  background: var(--surface-white);
  border: 1px solid var(--border-1);
  border-radius: 16px;
  min-height: 200px;
  display: flex; flex-direction: column;
  justify-content: center; align-items: center; gap: 10px;
}
.progression-step.target {
  background: var(--forest-050);
  border-color: var(--forest-200);
}
.progression-step .meta {
  font-family: var(--font-mono);
  font-size: 10px; font-weight: 500;
  letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--ink-500); margin-bottom: 8px;
}
.progression-step h4 {
  font-family: var(--font-display);
  font-size: 32px; font-weight: 400;
  letter-spacing: -0.025em; line-height: 1; margin: 0 0 8px;
  color: var(--ink-900);
}
.progression-step p {
  font-size: 12px; font-weight: 300; line-height: 1.5;
  color: var(--ink-600); margin: 0; max-width: 200px;
}
.progression-arrow {
  font-family: var(--font-mono);
  font-size: 24px; color: var(--ink-300);
  font-weight: 200;
}

/* Living-systems visual: machine boxes → living circles */
.machine-living {
  display: grid; grid-template-columns: 1fr auto 1fr;
  align-items: center; gap: 36px;
  margin: 56px 0;
  background: var(--surface-white);
  border: 1px solid var(--border-1);
  border-radius: 18px;
  padding: 56px 56px;
}
.ml-side { display: flex; flex-direction: column; gap: 14px; }
.ml-side h6 {
  font-family: var(--font-mono);
  font-size: 11px; font-weight: 500;
  letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--ink-500); margin: 0;
}
.ml-side h4 {
  font-family: var(--font-display);
  font-size: 24px; font-weight: 400;
  letter-spacing: -0.02em; color: var(--ink-900); margin: 0 0 8px;
}
.ml-machine .boxes {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px;
}
.ml-machine .boxes div {
  aspect-ratio: 1; background: var(--ink-200);
  border-radius: 2px;
}
.ml-living { position: relative; height: 200px; }
.ml-living svg { width: 100%; height: 100%; }
.ml-arrow {
  width: 56px; height: 56px;
  border-radius: 999px;
  background: var(--forest-700); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
}

/* Single illuminated node in field (Living Lab) */
.node-field {
  position: relative;
  width: 100%; aspect-ratio: 16/9;
  background: var(--surface-paper);
  border-radius: 18px; overflow: hidden;
  border: 1px solid var(--border-1);
}
.node-field svg { width: 100%; height: 100%; }

/* ---------- Spheres-page additions ---------- */

/* Hero spheres orbit */
.spheres-orbit {
  position: relative; width: 100%; max-width: 720px; aspect-ratio: 1/1;
  margin: 0 auto;
}
.spheres-orbit svg { width: 100%; height: 100%; display: block; }

/* Sphere vs Layer (definition split) */
.def-split {
  display: grid; grid-template-columns: 1fr 1fr; gap: 24px;
  margin: 48px 0 40px;
}
.def-block {
  background: var(--surface-white);
  border: 1px solid var(--border-1);
  border-radius: 18px;
  padding: 32px 36px;
}
.def-block.layer { background: var(--surface-paper); }
.def-block h6 {
  font-family: var(--font-mono);
  font-size: 11px; font-weight: 500;
  letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--forest-700); margin: 0 0 12px;
}
.def-block.layer h6 { color: var(--ink-600); }
.def-block h3 {
  font-family: var(--font-display);
  font-size: 28px; font-weight: 400;
  letter-spacing: -0.02em; line-height: 1.1;
  color: var(--ink-900); margin: 0 0 12px;
}
.def-block p {
  font-size: 15px; font-weight: 300; line-height: 1.55;
  color: var(--ink-700); margin: 0;
}
.def-summary {
  display: grid; grid-template-columns: 1fr 1fr; gap: 24px;
  margin-top: 24px;
  padding: 24px 32px;
  background: var(--forest-050);
  border: 1px solid var(--forest-200);
  border-radius: 16px;
}
.def-summary div {
  font-family: var(--font-display);
  font-size: 22px; font-weight: 400;
  letter-spacing: -0.015em; line-height: 1.2;
  color: var(--forest-900);
}
.def-summary em { font-style: italic; color: var(--forest-700); }
.def-summary .key { font-family: var(--font-sans); font-size: 11px; font-weight: 500; letter-spacing: 0.22em; text-transform: uppercase; color: var(--ink-500); display: block; margin-bottom: 6px; }

/* Causal loop */
.causal-loop {
  width: 100%; max-width: 640px;
  margin: 32px auto 0;
}
.causal-loop svg { width: 100%; height: 100%; display: block; }

/* Two loops side-by-side */
.two-loops {
  display: grid; grid-template-columns: 1fr 1fr; gap: 20px;
  margin: 48px 0 16px;
}
.loop {
  background: var(--surface-white);
  border: 1px solid var(--border-1);
  border-radius: 16px;
  padding: 32px 32px;
}
.loop.loop-ink { background: var(--ink-050); }
.loop.loop-forest { background: var(--forest-050); border-color: var(--forest-200); }
.loop-title {
  font-family: var(--font-mono);
  font-size: 11px; font-weight: 500;
  letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--ink-500); margin-bottom: 18px;
}
.loop.loop-forest .loop-title { color: var(--forest-800); }
.loop-list { list-style: none; padding: 0; margin: 0; counter-reset: q; }
.loop-list li {
  display: flex; align-items: baseline; gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border-2);
  font-family: var(--font-display);
  font-size: 18px; font-weight: 400; letter-spacing: -0.015em;
  color: var(--ink-900); line-height: 1.3;
}
.loop.loop-ink .loop-list li { color: var(--ink-500); }
.loop-list li:last-child { border-bottom: 0; }
.loop-list li .i {
  font-family: var(--font-mono); font-size: 10px; font-weight: 500;
  letter-spacing: 0.04em; color: var(--forest-700);
  flex-shrink: 0; min-width: 28px;
}
.loop.loop-ink .loop-list li .i { color: var(--ink-400); }
.loop-list li.close { font-style: italic; color: var(--forest-700); font-size: 14px; }
.loop.loop-ink .loop-list li.close { color: var(--ink-500); }

/* Sphere overview cards (5 across) */
.sphere-overview {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px;
}
.sphere-overview-card {
  background: var(--surface-white);
  border: 1px solid var(--border-1);
  border-radius: 16px;
  padding: 28px 22px;
  display: flex; flex-direction: column;
  min-height: 240px;
}
.sphere-overview-card .roman {
  font-family: var(--font-mono);
  font-size: 11px; font-weight: 500;
  letter-spacing: 0.22em; color: var(--forest-700);
  margin-bottom: 14px;
}
.sphere-overview-card h4 {
  font-family: var(--font-display);
  font-size: 22px; font-weight: 400;
  letter-spacing: -0.02em; line-height: 1.05;
  color: var(--ink-900); margin: 0 0 12px;
}
.sphere-overview-card .q {
  font-size: 13px; font-weight: 300; line-height: 1.45;
  color: var(--ink-600); margin: 0 0 16px;
  font-style: italic;
}
.sphere-overview-card .visible {
  margin-top: auto;
  font-size: 11px; font-weight: 500;
  letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--ink-500); padding-top: 14px;
  border-top: 1px solid var(--border-2);
}

/* Deep sphere block */
.sphere-deep {
  display: grid; grid-template-columns: 1fr 1fr; gap: 56px;
  margin: 56px 0;
}
.sphere-deep .col h6 {
  font-family: var(--font-mono);
  font-size: 11px; font-weight: 500;
  letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--ink-500); margin: 0 0 14px;
}
.sphere-deep .col h6.holds { color: var(--forest-700); }
.sphere-deep .col h6.weak { color: var(--danger); }
.sphere-deep ul { list-style: none; padding: 0; margin: 0 0 32px; }
.sphere-deep li {
  font-size: 14px; font-weight: 400; color: var(--ink-800);
  padding: 7px 0;
  border-bottom: 1px solid var(--border-2);
}
.sphere-deep li:last-child { border-bottom: 0; }
.sphere-deep .adds {
  background: var(--forest-050);
  border: 1px solid var(--forest-200);
  border-radius: 14px;
  padding: 24px 28px;
  margin-top: 16px;
}
.sphere-deep .adds h6 {
  color: var(--forest-800);
  margin-bottom: 10px;
}
.sphere-deep .adds .name {
  font-family: var(--font-display);
  font-size: 22px; font-weight: 400;
  letter-spacing: -0.015em; line-height: 1.1;
  color: var(--forest-900);
  margin: 0 0 8px;
}
.sphere-deep .adds p {
  font-size: 14px; font-weight: 300; line-height: 1.55;
  color: var(--ink-800); margin: 0;
}

/* Sphere header (deep section) */
.sphere-header {
  display: flex; align-items: baseline; gap: 16px;
  margin-bottom: 24px;
}
.sphere-header .roman {
  font-family: var(--font-mono);
  font-size: 12px; font-weight: 500;
  letter-spacing: 0.22em; color: var(--forest-700);
}
.sphere-header .name {
  font-family: var(--font-display);
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 400; letter-spacing: -0.025em;
  color: var(--ink-900); line-height: 1.1;
}

/* Mini matrix (Spheres in agentic age) */
.mini-matrix {
  width: 100%; border-collapse: collapse;
  background: var(--surface-white);
  border: 1px solid var(--border-1);
  border-radius: 16px;
  overflow: hidden;
  margin: 40px 0;
}
.mini-matrix th, .mini-matrix td {
  padding: 18px 22px;
  text-align: left; vertical-align: top;
  border-bottom: 1px solid var(--border-2);
  border-right: 1px solid var(--border-2);
  font-size: 14px; font-weight: 300; line-height: 1.5;
  color: var(--ink-700);
}
.mini-matrix th:last-child, .mini-matrix td:last-child { border-right: 0; }
.mini-matrix tr:last-child td { border-bottom: 0; }
.mini-matrix thead th {
  background: var(--surface-paper);
  font-family: var(--font-display);
  font-weight: 400; font-size: 17px;
  letter-spacing: -0.01em; color: var(--ink-900);
}
.mini-matrix thead th:first-child {
  font-family: var(--font-sans);
  font-size: 10px; font-weight: 500;
  letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--ink-500);
}
.mini-matrix tbody th {
  font-family: var(--font-display); font-weight: 400; font-size: 18px;
  letter-spacing: -0.015em; color: var(--ink-900);
  background: var(--surface-paper);
  width: 220px;
}

/* Diagnostic cards (5 columns, one per sphere) */
.diagnostic-cards {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px;
  margin: 40px 0;
}
.diag-card {
  background: var(--surface-white);
  border: 1px solid var(--border-1);
  border-radius: 14px;
  padding: 24px 22px;
}
.diag-card .roman {
  font-family: var(--font-mono); font-size: 11px;
  font-weight: 500; letter-spacing: 0.22em; color: var(--forest-700);
  margin-bottom: 12px;
}
.diag-card h5 {
  font-family: var(--font-display);
  font-size: 18px; font-weight: 400;
  letter-spacing: -0.015em; line-height: 1.15;
  color: var(--ink-900); margin: 0 0 10px;
}
.diag-card p {
  font-size: 13px; font-weight: 300; line-height: 1.5;
  color: var(--ink-600); font-style: italic; margin: 0;
}

/* Health wheel */
.health-wheel {
  width: 100%; max-width: 600px; margin: 0 auto;
}
.health-wheel svg { width: 100%; height: 100%; display: block; }