/* ============================================================
   Matrix·Riven · Pitch Site — Editorial Redesign
   Visual identity: v7 Spatial tokens + magazine-spread typography
   Less card chrome · more whitespace · serif-driven hierarchy
   ============================================================ */

:root {
  --bg:        #F7F6F2;
  --bg-elev:   #FAFAF7;
  --surface:   #FFFFFF;
  --surface-2: #FBFBF8;

  --ink-1:     #1C1B19;
  --ink-2:     #45433E;
  --ink-3:     #7A776F;
  --ink-4:     #A8A59C;
  --ink-5:     #D8D5CB;
  --hairline:  #ECEAE2;

  --accent:     #6F8B5E;
  --accent-soft:#E8EEDF;
  --accent-ink: #3F5736;

  --warn:      #C8924B;
  --warn-soft: #F4E9D6;
  --danger:    #B0625A;
  --danger-soft:#F1DCD7;
  --calm:      #8A9AAA;
  --calm-soft: #E5EBF0;
  --plum:      #8B6B9C;
  --plum-soft: #EAE0EF;

  --shadow-1:    0 1px 2px rgba(28,27,25,.04), 0 4px 16px rgba(28,27,25,.04);
  --shadow-2:    0 1px 3px rgba(28,27,25,.05), 0 12px 32px rgba(28,27,25,.06);
  --shadow-3:    0 2px 6px rgba(28,27,25,.06), 0 24px 64px rgba(28,27,25,.10);

  --r-sm: 8px; --r-md: 12px; --r-lg: 18px; --r-xl: 24px;
  --ease:   cubic-bezier(.2,.7,.2,1);
  --spring: cubic-bezier(.34,1.56,.64,1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { min-height: 100%; }
body {
  font-family: 'Inter', system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--ink-1);
  font-size: 15px;
  line-height: 1.6;
  font-feature-settings: 'cv11', 'ss01', 'tnum';
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  letter-spacing: -0.005em;
  overflow-x: hidden;
}
body::before {
  content:'';
  position: fixed; inset: 0;
  background:
    radial-gradient(900px 700px at 8% -8%, rgba(111,139,94,.05), transparent 60%),
    radial-gradient(800px 600px at 100% 0%, rgba(200,146,75,.04), transparent 55%);
  pointer-events: none; z-index: 0;
}
::selection { background: var(--accent-soft); color: var(--accent-ink); }

/* ===== LangToggle (中/EN pill) ===== */
.lang-toggle {
  background: transparent;
  border: 1px solid var(--hairline);
  border-radius: 999px;
  padding: 5px 12px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--ink-3);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all .2s var(--ease);
}
.lang-toggle:hover {
  border-color: var(--ink-2);
  color: var(--ink-1);
}
.lang-toggle .active {
  color: var(--accent-ink);
  font-weight: 600;
}
.lang-toggle .sep {
  color: var(--ink-4);
  font-weight: 400;
}

a { color: inherit; text-decoration: none; }
.mono   { font-family: 'JetBrains Mono', ui-monospace, monospace; }
.serif  { font-family: 'Newsreader', 'Iowan Old Style', Georgia, serif; }
.tnum   { font-feature-settings: 'tnum'; font-variant-numeric: tabular-nums; }
img, svg { display: block; }

/* ===== Editorial typography ===== */
h1 {
  font-family: 'Newsreader', Georgia, serif;
  font-weight: 400;
  font-size: clamp(44px, 6.5vw, 88px);
  line-height: 1.02;
  letter-spacing: -0.035em;
  color: var(--ink-1);
}
h1 em { font-style: italic; color: var(--accent-ink); font-weight: 400; }

h2 {
  font-family: 'Newsreader', Georgia, serif;
  font-weight: 400;
  font-size: clamp(32px, 4.4vw, 52px);
  line-height: 1.08;
  letter-spacing: -0.025em;
  color: var(--ink-1);
}
h2 em { font-style: italic; color: var(--accent-ink); font-weight: 400; }

h3 {
  font-family: 'Newsreader', Georgia, serif;
  font-weight: 500;
  font-size: 24px;
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--ink-1);
}
h3 em { font-style: italic; color: var(--accent-ink); font-weight: 500; }

p { color: var(--ink-2); }

/* Editorial body — used inside .prose blocks */
.prose {
  max-width: 660px;
  font-family: 'Newsreader', Georgia, serif;
  font-size: 19px;
  line-height: 1.7;
  color: var(--ink-1);
  letter-spacing: 0;
}
.prose p + p { margin-top: 24px; }
.prose em { font-style: italic; color: var(--accent-ink); }
.prose strong { font-weight: 600; color: var(--ink-1); }

.prose-narrow {
  max-width: 600px;
  font-family: 'Newsreader', Georgia, serif;
  font-size: 18px;
  line-height: 1.7;
  color: var(--ink-1);
}

/* Drop cap — first letter of first paragraph in essay sections */
.dropcap p:first-of-type::first-letter {
  font-family: 'Newsreader', Georgia, serif;
  font-style: italic;
  font-weight: 500;
  font-size: 5.4em;
  line-height: 0.9;
  float: left;
  margin: 6px 14px 0 0;
  color: var(--accent-ink);
}

/* Editorial small-caps eyebrow */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-3);
  font-weight: 500;
}
.eyebrow::before {
  content: ""; width: 24px; height: 1px;
  background: var(--ink-4);
}
.eyebrow.sage { color: var(--accent-ink); }
.eyebrow.sage::before { background: var(--accent); }

/* Pull quote */
.pull-quote {
  font-family: 'Newsreader', Georgia, serif;
  font-style: italic;
  font-size: clamp(28px, 3.6vw, 44px);
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--ink-1);
  max-width: 880px;
}
.pull-quote em { color: var(--accent-ink); font-style: italic; }
.pull-quote-attrib {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--ink-3);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-top: 28px;
  display: flex;
  align-items: center;
  gap: 14px;
}
.pull-quote-attrib::before {
  content: ""; width: 28px; height: 1px; background: var(--ink-4);
}

/* Horizontal rule (editorial divider) */
.rule {
  border: none;
  height: 1px;
  background: var(--hairline);
  margin: 0;
}
.rule.center {
  width: 60px;
  margin: 0 auto;
  background: var(--ink-4);
  height: 2px;
}

/* ===== Layout ===== */
.wrap { max-width: 1280px; margin: 0 auto; padding: 0 56px; }
.wrap-narrow { max-width: 880px; margin: 0 auto; padding: 0 56px; }
.wrap-prose  { max-width: 760px; margin: 0 auto; padding: 0 56px; }
@media (max-width: 768px) {
  .wrap, .wrap-narrow, .wrap-prose { padding: 0 22px; }
}

section.pitch {
  position: relative;
  z-index: 1;
  padding: 120px 0;
  scroll-margin-top: 96px;
}
section.pitch.tight { padding: 72px 0; }
@media (max-width: 768px) {
  section.pitch { padding: 88px 0; }
  section.pitch.tight { padding: 56px 0; }
}

.section-head {
  margin-bottom: 56px;
}
.section-head .eyebrow { margin-bottom: 22px; }
.section-head h2 { max-width: 880px; }
.section-head .lead {
  margin-top: 28px;
  max-width: 660px;
  font-family: 'Newsreader', Georgia, serif;
  font-size: 19px;
  line-height: 1.7;
  color: var(--ink-2);
}
.section-head .lead em { color: var(--accent-ink); font-style: italic; }
.section-head .lead strong { color: var(--ink-1); font-weight: 600; }

/* ===== Top nav — minimal, lighter ===== */
.pitch-nav {
  position: sticky; top: 14px; z-index: 80;
  background: rgba(255,255,255,.78);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid rgba(255,255,255,.6);
  box-shadow: var(--shadow-1);
  border-radius: 999px;
  padding: 8px 14px 8px 18px;
  display: flex; align-items: center; gap: 18px;
  max-width: 1100px; margin: 14px auto 0;
}
.pitch-brand { display: flex; align-items: center; gap: 10px; font-weight: 600; letter-spacing: -0.01em; font-size: 14.5px; }
.pitch-brand-mark {
  width: 18px; height: 18px; border-radius: 5px;
  background: linear-gradient(135deg, var(--accent), #97B080);
  box-shadow: 0 1px 2px rgba(111,139,94,.4);
}
.pitch-nav-links { display: flex; align-items: center; gap: 2px; flex: 1; flex-wrap: nowrap; overflow-x: auto; }
.pitch-nav-links::-webkit-scrollbar { display: none; }
.pitch-nav-links a {
  font-size: 12.5px; padding: 5px 9px; border-radius: 999px;
  color: var(--ink-3); transition: all .15s var(--ease);
  cursor: pointer; white-space: nowrap;
}
.pitch-nav-links a:hover { color: var(--ink-1); }
.pitch-nav-links a.active { color: var(--accent-ink); background: var(--accent-soft); font-weight: 500; }
.nav-cta {
  font-size: 12.5px; padding: 6px 12px;
  border-radius: 999px;
  background: var(--ink-1); color: var(--bg);
  font-weight: 500;
  display: inline-flex; align-items: center; gap: 6px;
}
.nav-cta:hover { filter: brightness(1.1); color: var(--bg); }

@media (max-width: 768px) {
  .pitch-nav { gap: 10px; padding: 7px 10px; margin: 10px 18px 0; }
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 20px;
  border-radius: 999px;
  border: 1px solid var(--ink-5);
  background: transparent;
  color: var(--ink-1);
  font-family: inherit;
  font-size: 14px; font-weight: 500;
  cursor: pointer;
  transition: all .15s var(--ease);
  text-decoration: none;
}
.btn:hover { border-color: var(--ink-2); }
.btn.primary {
  background: var(--ink-1);
  color: var(--bg);
  border-color: var(--ink-1);
}
.btn.primary:hover { filter: brightness(1.15); color: var(--bg); }
.btn.ghost { border-color: transparent; color: var(--ink-2); padding: 12px 4px; }
.btn.ghost:hover { color: var(--ink-1); border-color: transparent; }
.btn.sage {
  background: var(--accent-ink); color: var(--bg); border-color: var(--accent-ink);
}
.btn.sage:hover { filter: brightness(1.1); color: var(--bg); }
.btn.sm { padding: 7px 14px; font-size: 12.5px; }

/* ===== Pills (lighter) ===== */
.pill {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 3px 9px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px;
  border-radius: 999px;
  background: transparent;
  color: var(--ink-3);
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.pill.dot::before {
  content: ""; width: 5px; height: 5px; border-radius: 50%;
  background: currentColor; margin-right: 2px;
}
.pill.sage   { color: var(--accent-ink); }
.pill.amber  { color: #8C6228; }
.pill.terra  { color: #7E3F38; }
.pill.slate  { color: #4F6175; }
.pill.plum   { color: var(--plum); }
.pill.filled.sage { background: var(--accent-soft); }
.pill.filled.amber { background: var(--warn-soft); }
.pill.filled.terra { background: var(--danger-soft); }

/* ===== Entrance ===== */
@keyframes fade-in { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
.fade-in { animation: fade-in .6s var(--ease) both; }

.fade-up { opacity: 0; transform: translateY(14px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.fade-up.is-visible { opacity: 1; transform: translateY(0); }

/* ===== HERO ===== */
.hero-stage {
  padding-top: 64px;
  padding-bottom: 24px;
}
.hero-meta {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-top: 56px;
  color: var(--ink-3);
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  flex-wrap: wrap;
}
.hero-meta .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
  display: inline-block;
  margin-right: 8px;
  vertical-align: middle;
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(111,139,94,.5); }
  50%      { box-shadow: 0 0 0 8px rgba(111,139,94,0); }
}

.hero-strip {
  margin-top: 80px;
  padding: 28px 0;
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.hero-stat .h-num {
  font-family: 'Newsreader', Georgia, serif;
  font-weight: 400;
  font-size: 36px;
  line-height: 1;
  color: var(--ink-1);
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}
.hero-stat .h-num em { font-style: italic; color: var(--accent-ink); font-weight: 400; }
.hero-stat .h-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px; color: var(--ink-3);
  margin-top: 8px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
@media (max-width: 900px) {
  .hero-strip { grid-template-columns: 1fr 1fr; gap: 32px 24px; }
}
@media (max-width: 500px) {
  .hero-strip { grid-template-columns: 1fr; }
}

/* ===== Manifesto / essay ===== */
.essay {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 64px;
}
.essay-aside {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--ink-3);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding-top: 12px;
}
.essay-aside .aside-h {
  color: var(--ink-1);
  font-weight: 600;
  margin-bottom: 6px;
}
@media (max-width: 900px) {
  .essay { grid-template-columns: 1fr; gap: 24px; }
  .essay-aside { padding-top: 0; }
}

/* ===== Problem (editorial list) ===== */
.problem-list {
  display: grid;
  grid-template-columns: 1fr;
}
.problem-row {
  display: grid;
  grid-template-columns: 110px 1fr 220px;
  gap: 40px;
  padding: 32px 0;
  border-top: 1px solid var(--hairline);
  align-items: start;
}
.problem-row:last-child { border-bottom: 1px solid var(--hairline); }
.problem-num {
  font-family: 'Newsreader', Georgia, serif;
  font-weight: 400;
  font-style: italic;
  font-size: 42px;
  line-height: 1;
  color: var(--ink-3);
  letter-spacing: -0.02em;
}
.problem-title {
  font-family: 'Newsreader', Georgia, serif;
  font-weight: 400;
  font-size: 28px;
  line-height: 1.2;
  color: var(--ink-1);
  letter-spacing: -0.02em;
}
.problem-body {
  font-size: 14px;
  line-height: 1.65;
  color: var(--ink-2);
}
@media (max-width: 900px) {
  .problem-row { grid-template-columns: 80px 1fr; }
  .problem-body { grid-column: 1 / -1; padding-left: 0; }
  .problem-num { font-size: 32px; }
  .problem-title { font-size: 22px; }
}

/* ===== Insight pull quote section ===== */
.insight-stage {
  padding: 96px 0;
  text-align: center;
}
.insight-stage .pull-quote { margin: 0 auto; }
.insight-stage .insight-key {
  display: inline-block;
  padding: 4px 14px;
  border: 1px solid var(--ink-5);
  border-radius: 999px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--ink-3);
  text-transform: uppercase;
  margin-bottom: 28px;
}

/* ===== Product frame (slimmer) ===== */
.product-frame {
  background: var(--surface);
  border-radius: 16px;
  box-shadow: 0 1px 0 rgba(28,27,25,.04), 0 24px 60px -16px rgba(28,27,25,.10);
  overflow: hidden;
  border: 1px solid var(--hairline);
}
.product-frame-chrome {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 16px;
  background: var(--surface-2);
  border-bottom: 1px solid var(--hairline);
}
.product-frame-dot { width: 11px; height: 11px; border-radius: 50%; background: var(--ink-5); }
.product-frame-dot.r { background: #FB7185; }
.product-frame-dot.y { background: #FCD34D; }
.product-frame-dot.g { background: #34D399; }
.product-frame-url {
  flex: 1; margin-left: 12px;
  padding: 5px 12px;
  background: var(--surface); border: 1px solid var(--hairline);
  border-radius: 999px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px; color: var(--ink-3);
  display: flex; align-items: center; gap: 8px;
}
.product-frame-url::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
}
.product-frame-body { min-height: 600px; background: var(--bg); overflow: hidden; }

/* ===== Annotated product layout ===== */
.product-annotated {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 56px;
  align-items: start;
}
.product-annotated .ann-list {
  font-family: 'Newsreader', Georgia, serif;
  font-size: 15.5px;
  color: var(--ink-2);
  line-height: 1.6;
}
.product-annotated .ann-list .ann-item {
  padding: 16px 0;
  border-bottom: 1px solid var(--hairline);
}
.product-annotated .ann-list .ann-item:last-child { border-bottom: none; }
.product-annotated .ann-list .ann-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px;
  color: var(--accent-ink);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 8px;
}
@media (max-width: 1100px) {
  .product-annotated { grid-template-columns: 1fr; gap: 32px; }
}

/* ===== Narrative tier chapter (editorial) ===== */
.tier-chapter {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}
.tier-card {
  padding: 64px 0;
  border-top: 1px solid var(--hairline);
}
.tier-card:first-child { border-top: none; padding-top: 32px; }
.tier-card:last-child { border-bottom: 1px solid var(--hairline); }
.tier-card-head {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 40px;
  margin-bottom: 32px;
}
.tier-card-key {
  font-family: 'Newsreader', Georgia, serif;
  font-style: italic;
  font-size: 48px;
  font-weight: 400;
  color: var(--accent-ink);
  letter-spacing: -0.02em;
  line-height: 1;
}
.tier-card-key-sub {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--ink-3);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-top: 8px;
}
.tier-card-title {
  font-family: 'Newsreader', Georgia, serif;
  font-weight: 400;
  font-size: 32px;
  line-height: 1.15;
  color: var(--ink-1);
  letter-spacing: -0.02em;
}
.tier-card-desc {
  margin-top: 12px;
  font-size: 15px;
  line-height: 1.65;
  color: var(--ink-2);
  max-width: 640px;
}
.tier-io {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-left: 180px;
}
.tier-io-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--ink-3);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 10px;
  display: flex; align-items: center; gap: 8px;
}
.tier-io-label::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--ink-4); }
.tier-io-label.out::before { background: var(--accent); }
.tier-io-pane {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--ink-2);
  white-space: pre-wrap;
  padding: 18px 20px;
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: 10px;
  min-height: 220px;
}
.tier-io-pane.out {
  font-family: 'Newsreader', Georgia, serif;
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--ink-1);
  background: linear-gradient(180deg, var(--accent-soft), var(--surface-2));
  border-color: rgba(111,139,94,.2);
}
@media (max-width: 900px) {
  .tier-card-head { grid-template-columns: 1fr; gap: 16px; }
  .tier-io { grid-template-columns: 1fr; margin-left: 0; }
}

/* ===== Signal categories (editorial) ===== */
.sig-cat {
  padding: 56px 0;
  border-top: 1px solid var(--hairline);
}
.sig-cat:last-child { border-bottom: 1px solid var(--hairline); }
.sig-cat-head {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 40px;
  margin-bottom: 28px;
}
.sig-cat-name {
  font-family: 'Newsreader', Georgia, serif;
  font-weight: 400;
  font-size: 32px;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--ink-1);
}
.sig-cat-name em { font-style: italic; color: var(--accent-ink); }
.sig-cat-meta {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--ink-3);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-top: 10px;
}
.sig-cat-intro {
  font-family: 'Newsreader', Georgia, serif;
  font-size: 16.5px;
  line-height: 1.65;
  color: var(--ink-2);
  max-width: 580px;
}
.sig-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}
.sig-row {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 18px;
  padding: 20px 24px;
  border-top: 1px solid var(--hairline);
  align-items: start;
}
.sig-row:nth-child(1), .sig-row:nth-child(2) { border-top: none; }
.sig-glyph {
  font-family: 'Newsreader', Georgia, serif;
  font-weight: 500;
  font-size: 22px;
  color: var(--accent-ink);
  text-align: center;
  padding-top: 2px;
}
.sig-body .sig-name {
  font-family: 'Newsreader', Georgia, serif;
  font-weight: 500;
  font-size: 18px;
  color: var(--ink-1);
}
.sig-body .sig-id {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px;
  color: var(--ink-4);
  letter-spacing: 0.06em;
  margin-top: 2px;
  text-transform: uppercase;
}
.sig-body .sig-desc {
  font-size: 13.5px;
  color: var(--ink-2);
  line-height: 1.6;
  margin-top: 8px;
}
.sig-body .sig-example {
  font-family: 'Newsreader', Georgia, serif;
  font-size: 14px;
  font-style: italic;
  color: var(--accent-ink);
  margin-top: 10px;
  line-height: 1.6;
}
@media (max-width: 900px) {
  .sig-cat-head { grid-template-columns: 1fr; gap: 12px; }
  .sig-grid { grid-template-columns: 1fr; }
  .sig-row { padding: 20px 0; }
  .sig-row:nth-child(2) { border-top: 1px solid var(--hairline); }
}

/* ===== Flow steps (editorial vertical timeline) ===== */
.flow-timeline {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
}
.flow-rail-col {
  position: sticky;
  top: 100px;
  align-self: start;
  display: flex; flex-direction: column;
  gap: 0;
}
.flow-rail-item {
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: 18px;
  padding: 18px 0;
  cursor: pointer;
  border-top: 1px solid var(--hairline);
  transition: opacity .2s var(--ease);
  opacity: 0.45;
  background: transparent;
  border-bottom: none; border-left: none; border-right: none;
  text-align: left;
  font-family: inherit;
  color: var(--ink-1);
}
.flow-rail-item.active { opacity: 1; }
.flow-rail-item.is-passed { opacity: 0.7; }
.flow-rail-item:first-child { border-top: none; }
.flow-rail-dot {
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--surface-2);
  border: 1.5px solid var(--ink-5);
  color: var(--ink-3);
  display: grid; place-items: center;
  font-family: 'JetBrains Mono', monospace;
  font-weight: 600; font-size: 12px;
  transition: all .25s var(--ease);
  margin-top: 4px;
}
.flow-rail-item.active .flow-rail-dot {
  background: var(--accent); border-color: var(--accent);
  color: white;
  box-shadow: 0 0 0 5px var(--accent-soft);
}
.flow-rail-item.is-passed .flow-rail-dot {
  background: var(--accent-ink); border-color: var(--accent-ink); color: white;
}
.flow-rail-title {
  font-family: 'Newsreader', Georgia, serif;
  font-size: 20px;
  font-weight: 500;
  line-height: 1.25;
  color: var(--ink-1);
}
.flow-rail-sub {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--ink-3);
  margin-top: 4px;
}

.flow-detail-col {
  padding-left: 0;
}
.flow-detail-key {
  font-family: 'Newsreader', Georgia, serif;
  font-style: italic;
  font-size: 14px;
  color: var(--accent-ink);
  letter-spacing: 0;
  margin-bottom: 8px;
}
.flow-detail-title {
  font-family: 'Newsreader', Georgia, serif;
  font-weight: 400;
  font-size: 36px;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}
.flow-detail-body {
  font-family: 'Newsreader', Georgia, serif;
  font-size: 17px;
  line-height: 1.7;
  color: var(--ink-2);
  margin-bottom: 24px;
}
.flow-detail-body em { color: var(--accent-ink); font-style: italic; }
.flow-detail-body strong { color: var(--ink-1); font-weight: 600; }
.flow-metrics {
  display: flex; gap: 36px; margin-bottom: 24px;
  flex-wrap: wrap;
}
.flow-metric .fm-num {
  font-family: 'Newsreader', Georgia, serif;
  font-weight: 400;
  font-size: 28px;
  line-height: 1;
  color: var(--accent-ink);
  letter-spacing: -0.02em;
}
.flow-metric .fm-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px;
  color: var(--ink-3);
  margin-top: 6px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.term {
  background: #181A1F;
  border-radius: 10px;
  padding: 16px 18px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12.5px;
  line-height: 1.85;
  min-height: 220px;
  color: #E5E1D7;
}
.term-dots { display: flex; gap: 6px; margin-bottom: 12px; }
.term-dots span { width: 9px; height: 9px; border-radius: 50%; }
.term-dots .r { background: #ff5f57; }
.term-dots .y { background: #febc2e; }
.term-dots .g { background: #28c840; }
.term .c { color: #6B7280; font-style: italic; }
.term .k { color: #7CB9F1; }
.term .s { color: #9CD49E; }
.term .n { color: #E8B96A; }
.term .d { color: #C5C0B0; }

@media (max-width: 900px) {
  .flow-timeline { grid-template-columns: 1fr; gap: 32px; }
  .flow-rail-col { position: static; }
  .flow-detail-title { font-size: 28px; }
}

/* ===== Pact (safety) list ===== */
.pact-list {
  display: grid;
  grid-template-columns: 1fr;
}
.pact-row {
  display: grid;
  grid-template-columns: 60px 1fr 1fr;
  gap: 40px;
  padding: 36px 0;
  border-top: 1px solid var(--hairline);
  align-items: start;
}
.pact-row:last-child { border-bottom: 1px solid var(--hairline); }
.pact-num {
  font-family: 'Newsreader', Georgia, serif;
  font-style: italic;
  font-weight: 400;
  font-size: 24px;
  color: var(--accent-ink);
  letter-spacing: -0.01em;
}
.pact-title {
  font-family: 'Newsreader', Georgia, serif;
  font-weight: 400;
  font-size: 24px;
  line-height: 1.2;
  color: var(--ink-1);
  letter-spacing: -0.02em;
}
.pact-title em { font-style: italic; color: var(--accent-ink); }
.pact-body {
  font-family: 'Newsreader', Georgia, serif;
  font-size: 15.5px;
  line-height: 1.65;
  color: var(--ink-2);
}
.pact-body em { font-style: italic; color: var(--accent-ink); }
.pact-body code, .pact-body .mono { font-family: 'JetBrains Mono', monospace; font-size: 13px; color: var(--ink-2); }
@media (max-width: 900px) {
  .pact-row { grid-template-columns: 40px 1fr; }
  .pact-body { grid-column: 1 / -1; padding-left: 40px; margin-top: -16px; }
}

/* ===== PII demo (cleaner) ===== */
.redactor-shell {
  display: grid; grid-template-columns: 1fr 1fr; gap: 14px;
  margin-top: 32px;
}
.redactor-pane {
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: 14px;
  overflow: hidden;
}
.redactor-pane-head {
  padding: 12px 18px;
  border-bottom: 1px solid var(--hairline);
  display: flex; justify-content: space-between; align-items: center;
}
.redactor-pane-head .label {
  font-family: 'JetBrains Mono', monospace; font-size: 11px;
  text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--ink-3); font-weight: 500;
}
.redactor-rules {
  margin-top: 14px;
  display: flex; gap: 10px; flex-wrap: wrap;
}
.redactor-rule {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--ink-5);
  background: transparent;
  cursor: pointer;
  transition: all .15s var(--ease);
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--ink-2);
}
.redactor-rule.on { background: var(--accent-soft); border-color: rgba(111,139,94,.3); color: var(--accent-ink); }
.redactor-rule .lr-dot { width: 7px; height: 7px; border-radius: 2px; }
.redactor-rule .lr-count {
  background: var(--surface); padding: 1px 6px; border-radius: 999px; font-size: 10.5px;
  border: 1px solid var(--hairline); color: var(--ink-3); min-width: 22px; text-align: center;
}
.redactor-rule.on .lr-count { color: var(--accent-ink); }
@media (max-width: 900px) {
  .redactor-shell { grid-template-columns: 1fr; }
}

/* ===== Moat (editorial essay grid) ===== */
.moat-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}
.moat-cell {
  padding: 40px 36px 40px 0;
  border-top: 1px solid var(--hairline);
  border-right: 1px solid var(--hairline);
}
.moat-cell:nth-child(2n) { padding-right: 0; padding-left: 36px; border-right: none; }
.moat-cell:nth-child(1), .moat-cell:nth-child(2) { border-top: none; padding-top: 16px; }
.moat-cell .moat-h {
  font-family: 'Newsreader', Georgia, serif;
  font-weight: 400;
  font-size: 26px;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--ink-1);
  margin-bottom: 14px;
}
.moat-cell .moat-h em { font-style: italic; color: var(--accent-ink); }
.moat-cell .moat-body {
  font-family: 'Newsreader', Georgia, serif;
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink-2);
}
.moat-cell .moat-proof {
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px dashed var(--hairline);
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--ink-3);
  letter-spacing: 0.02em;
  line-height: 1.55;
}
@media (max-width: 900px) {
  .moat-list { grid-template-columns: 1fr; }
  .moat-cell { padding: 32px 0; border-right: none; }
  .moat-cell:nth-child(2n) { padding-left: 0; }
  .moat-cell:nth-child(2) { border-top: 1px solid var(--hairline); padding-top: 32px; }
}

/* ===== Numbers (editorial, oversized) ===== */
.numbers-feature {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  margin-bottom: 56px;
}
.numbers-feature .nf-cell {
  padding: 56px 36px;
  border-top: 1px solid var(--hairline);
  border-right: 1px solid var(--hairline);
}
.numbers-feature .nf-cell:nth-child(2n) { border-right: none; }
.numbers-feature .nf-cell:nth-child(1), .numbers-feature .nf-cell:nth-child(2) { border-top: none; padding-top: 24px; }
.nf-num {
  font-family: 'Newsreader', Georgia, serif;
  font-weight: 400;
  font-size: clamp(72px, 8vw, 120px);
  line-height: 0.95;
  letter-spacing: -0.04em;
  color: var(--ink-1);
  font-variant-numeric: tabular-nums;
}
.nf-num .unit {
  font-size: 0.4em;
  color: var(--ink-3);
  margin-left: 8px;
  font-weight: 400;
  letter-spacing: -0.01em;
}
.nf-num em { font-style: italic; color: var(--accent-ink); }
.nf-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--ink-3);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 24px;
}
.nf-foot {
  margin-top: 24px;
  font-family: 'Newsreader', Georgia, serif;
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink-2);
  max-width: 360px;
}
.numbers-side {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}
.ns-cell .ns-num {
  font-family: 'Newsreader', Georgia, serif;
  font-weight: 400;
  font-size: 32px;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--ink-1);
  font-variant-numeric: tabular-nums;
}
.ns-cell .ns-num .unit { font-size: 0.5em; color: var(--ink-3); margin-left: 4px; }
.ns-cell .ns-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px;
  color: var(--ink-3);
  margin-top: 8px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.ns-cell .ns-foot {
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--ink-2);
}
@media (max-width: 900px) {
  .numbers-feature { grid-template-columns: 1fr; }
  .numbers-feature .nf-cell { padding: 40px 0; border-right: none; }
  .numbers-feature .nf-cell:nth-child(2) { border-top: 1px solid var(--hairline); padding-top: 40px; }
  .numbers-side { grid-template-columns: 1fr 1fr; gap: 24px; }
}

/* ===== Roadmap (editorial timeline) ===== */
.roadmap-list {
  display: grid;
  grid-template-columns: 1fr;
}
.roadmap-row {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 40px;
  padding: 40px 0;
  border-top: 1px solid var(--hairline);
}
.roadmap-row:last-child { border-bottom: 1px solid var(--hairline); }
.roadmap-row .rm-when {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--ink-3);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
}
.roadmap-row .rm-when .rm-when-lbl {
  display: block;
  font-family: 'Newsreader', Georgia, serif;
  font-style: italic;
  font-size: 22px;
  letter-spacing: -0.01em;
  text-transform: none;
  margin-top: 6px;
  color: var(--ink-1);
}
.roadmap-row .rm-items {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.roadmap-row .rm-item {
  display: grid;
  grid-template-columns: 22px 1fr;
  gap: 12px;
  font-family: 'Newsreader', Georgia, serif;
  font-size: 16.5px;
  line-height: 1.55;
  color: var(--ink-2);
}
.roadmap-row .rm-item .rm-mark {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11.5px;
  color: var(--accent-ink);
  padding-top: 6px;
}
.roadmap-row.shipped .rm-when { color: var(--accent-ink); }
.roadmap-row.next .rm-when { color: #8C6228; }
@media (max-width: 900px) {
  .roadmap-row { grid-template-columns: 1fr; gap: 16px; }
}

/* ===== CTA (quiet) ===== */
.cta-stage {
  text-align: center;
  padding: 64px 0;
}
.cta-stage h2 { max-width: 760px; margin: 24px auto 28px; }

/* ===== Slide-over (member/project detail) ===== */
.scrim {
  position: fixed; inset: 0;
  background: rgba(28,27,25,.22);
  backdrop-filter: blur(6px);
  opacity: 0; pointer-events: none;
  transition: opacity .35s var(--ease);
  z-index: 90;
}
.scrim.open { opacity: 1; pointer-events: auto; }
.slideover {
  position: fixed; right: 16px; top: 16px; bottom: 16px;
  width: 520px; max-width: calc(100vw - 32px);
  background: var(--surface);
  border-radius: 18px;
  box-shadow: var(--shadow-3);
  z-index: 100;
  transform: translateX(calc(100% + 24px));
  transition: transform .45s var(--spring);
  overflow: hidden;
  display: flex; flex-direction: column;
}
.slideover.open { transform: translateX(0); }
.so-head {
  padding: 22px 26px 18px;
  border-bottom: 1px solid var(--hairline);
  display: flex; align-items: center; gap: 14px;
  background: linear-gradient(180deg, var(--surface-2), transparent);
}
.so-avatar {
  width: 48px; height: 48px; border-radius: 50%;
  color: white; font-size: 16px; font-weight: 600;
  display: grid; place-items: center;
  box-shadow: inset 0 -1px 0 rgba(0,0,0,.1), 0 2px 6px rgba(0,0,0,.15);
}
.so-name { font-size: 17px; font-weight: 600; color: var(--ink-1); letter-spacing: -0.01em; }
.so-meta { font-size: 12.5px; color: var(--ink-3); margin-top: 2px; }
.so-close {
  width: 32px; height: 32px; border-radius: 10px;
  background: transparent; border: 0; color: var(--ink-3);
  cursor: pointer; display: grid; place-items: center;
  margin-left: auto;
}
.so-close:hover { background: var(--surface-2); color: var(--ink-1); }
.so-body { overflow-y: auto; padding: 20px 26px 28px; flex: 1; }
.so-callout {
  background: var(--warn-soft);
  border-radius: 12px;
  padding: 14px 16px;
  margin-bottom: 20px;
  display: flex; gap: 12px;
  border: 1px solid rgba(200,146,75,.18);
  font-family: 'Newsreader', Georgia, serif;
  font-size: 14px; line-height: 1.55;
  color: #6B4A1F;
}
.so-callout em { font-style: italic; }
.so-h {
  font-size: 11.5px; font-weight: 500;
  color: var(--ink-3);
  text-transform: uppercase; letter-spacing: 0.08em;
  margin: 18px 0 12px;
}
.so-stats {
  display: grid; grid-template-columns: 1fr 1fr 1fr;
  gap: 1px; background: var(--hairline);
  border-radius: 12px; overflow: hidden;
}
.so-stat { background: var(--surface); padding: 14px 12px; text-align: center; }
.so-stat-num { font-size: 14px; font-weight: 500; color: var(--ink-1); letter-spacing: -0.01em; line-height: 1.2; }
.so-stat-label { font-size: 11px; color: var(--ink-3); margin-top: 6px; }
.so-evolve { display: flex; flex-direction: column; gap: 12px; }
.so-evolve-item { display: grid; grid-template-columns: 60px 1fr; gap: 12px; align-items: flex-start; }
.so-evolve-time { font-size: 11px; color: var(--ink-4); font-family: 'JetBrains Mono', monospace; padding-top: 1px; }
.so-evolve-text {
  font-family: 'Newsreader', Georgia, serif;
  font-size: 13.5px; color: var(--ink-1); line-height: 1.5;
  padding-left: 12px; border-left: 2px solid var(--hairline);
}
.so-evolve-item.latest .so-evolve-text { border-left-color: var(--warn); }
.so-evolve-item.latest .so-evolve-time { color: var(--warn); font-weight: 500; }

/* ===== Avatar palette ===== */
.av-1 { background: linear-gradient(135deg, #B85F5A, #D87B71); }
.av-2 { background: linear-gradient(135deg, #5C7A9C, #82A0BD); }
.av-3 { background: linear-gradient(135deg, #9B7B4F, #BF9E73); }
.av-4 { background: linear-gradient(135deg, #6F8B5E, #97B080); }
.av-5 { background: linear-gradient(135deg, #8B6B9C, #AC8FBD); }
.av-6 { background: linear-gradient(135deg, #C8924B, #DDAE73); }

/* ===== Scrollbar ===== */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb { background: var(--ink-5); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: var(--ink-4); }
::-webkit-scrollbar-track { background: transparent; }

/* Inline link */
a.link {
  color: var(--ink-1);
  border-bottom: 1px solid var(--ink-4);
  transition: border-color .15s var(--ease);
}
a.link:hover { border-color: var(--accent-ink); color: var(--accent-ink); }

/* Footer */
.pitch-foot {
  padding: 56px 0 80px;
  border-top: 1px solid var(--hairline);
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 40px;
}
.pitch-foot .ft-col h4 {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--ink-3);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 600;
  margin-bottom: 14px;
}
.pitch-foot .ft-col ul {
  list-style: none;
  display: flex; flex-direction: column; gap: 8px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12.5px;
  color: var(--ink-2);
}
.pitch-foot .ft-col p {
  font-family: 'Newsreader', Georgia, serif;
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink-2);
  max-width: 320px;
}
@media (max-width: 900px) {
  .pitch-foot { grid-template-columns: 1fr; gap: 32px; }
}

/* ============================================================
   Animation layer — scroll reveals, micro-interactions, motion
   ============================================================ */

/* Scroll progress bar (very top of viewport) */
.scroll-progress {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: transparent;
  z-index: 100;
  pointer-events: none;
}
.scroll-progress .sp-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-ink));
  transform-origin: left center;
  transform: scaleX(0);
  transition: transform .12s linear;
  box-shadow: 0 0 12px rgba(111,139,94,.4);
}

/* Cursor blob — soft glow following the pointer */
.cursor-blob {
  position: fixed;
  top: 0; left: 0;
  width: 380px; height: 380px;
  border-radius: 50%;
  pointer-events: none;
  z-index: 2;
  background:
    radial-gradient(closest-side, rgba(111,139,94,.16), rgba(111,139,94,0) 70%);
  transform: translate3d(-50%, -50%, 0);
  mix-blend-mode: multiply;
  transition: opacity .4s var(--ease), width .35s var(--spring), height .35s var(--spring);
  opacity: 0;
}
.cursor-blob.on { opacity: 1; }
.cursor-blob.hover-target { width: 260px; height: 260px; }
@media (max-width: 900px), (pointer: coarse) {
  .cursor-blob { display: none; }
}

/* Reveal classes — set baseline, .is-in animates to final */
.reveal-up {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity .85s var(--ease) var(--delay, 0ms),
    transform .85s var(--ease) var(--delay, 0ms);
  will-change: opacity, transform;
}
.reveal-up.is-in { opacity: 1; transform: translateY(0); }

.reveal-blur {
  opacity: 0;
  filter: blur(14px);
  transform: translateY(12px);
  transition:
    opacity 1.1s var(--ease) var(--delay, 0ms),
    filter 1.1s var(--ease) var(--delay, 0ms),
    transform 1.1s var(--ease) var(--delay, 0ms);
}
.reveal-blur.is-in { opacity: 1; filter: blur(0); transform: translateY(0); }

.reveal-scale {
  opacity: 0;
  transform: translateY(14px) scale(.96);
  transition: opacity .8s var(--ease) var(--delay, 0ms),
              transform .9s var(--spring) var(--delay, 0ms);
}
.reveal-scale.is-in { opacity: 1; transform: translateY(0) scale(1); }

/* Stagger container — children animate up with auto delays */
.reveal-stagger > * {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
  will-change: opacity, transform;
}
.reveal-stagger > *.is-in { opacity: 1; transform: translateY(0); }
.reveal-stagger > *:nth-child(1).is-in { transition-delay: 0ms; }
.reveal-stagger > *:nth-child(2).is-in { transition-delay: 80ms; }
.reveal-stagger > *:nth-child(3).is-in { transition-delay: 160ms; }
.reveal-stagger > *:nth-child(4).is-in { transition-delay: 240ms; }
.reveal-stagger > *:nth-child(5).is-in { transition-delay: 320ms; }
.reveal-stagger > *:nth-child(6).is-in { transition-delay: 400ms; }
.reveal-stagger > *:nth-child(7).is-in { transition-delay: 480ms; }
.reveal-stagger > *:nth-child(8).is-in { transition-delay: 560ms; }
.reveal-stagger > *:nth-child(9).is-in { transition-delay: 640ms; }
.reveal-stagger > *:nth-child(10).is-in { transition-delay: 720ms; }

/* Hero h1 line-by-line reveal */
.hero h1 .line {
  display: inline-block;
  overflow: hidden;
  vertical-align: top;
}
.hero h1 .line > span {
  display: inline-block;
  transform: translateY(110%);
  opacity: 0;
  transition: transform 1.1s var(--ease), opacity 1.1s var(--ease);
}
.hero h1.is-in .line > span { transform: translateY(0); opacity: 1; }
.hero h1.is-in .line:nth-child(1) > span { transition-delay: 80ms; }
.hero h1.is-in .line:nth-child(2) > span { transition-delay: 220ms; }
.hero h1.is-in .line:nth-child(3) > span { transition-delay: 360ms; }

/* Shimmer accent on hero italic em */
@keyframes shimmer-em {
  0%   { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}
h1 em.shimmer, h2 em.shimmer {
  background: linear-gradient(
    90deg,
    var(--accent-ink) 0%,
    var(--accent) 40%,
    color-mix(in srgb, var(--accent) 50%, #C8924B) 50%,
    var(--accent) 60%,
    var(--accent-ink) 100%
  );
  background-size: 200% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: shimmer-em 8s linear infinite;
}

/* Animated dot grid mesh in hero (very subtle drift) */
@keyframes mesh-drift {
  0%, 100% { transform: translate3d(0, 0, 0); }
  50%      { transform: translate3d(-12px, -10px, 0); }
}
body::before { animation: mesh-drift 18s ease-in-out infinite; }

/* Float / breath / pulse on accent glyphs */
@keyframes float-y {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-6px); }
}
.float { animation: float-y 4.5s ease-in-out infinite; }
.float-soft { animation: float-y 7s ease-in-out infinite; }

@keyframes breathe {
  0%, 100% { opacity: .55; transform: scale(1); }
  50%      { opacity: 1;   transform: scale(1.06); }
}
.breathe { animation: breathe 3.6s ease-in-out infinite; }

/* Magnetic buttons — micro lift on hover (pairs with JS magnetic translate) */
.btn { transition: all .25s var(--ease), transform .25s var(--ease); }
.btn:hover { transform: translateY(-1px); }
.btn.primary:hover { box-shadow: 0 12px 32px -10px rgba(28,27,25,.4); }
.btn.sage:hover    { box-shadow: 0 12px 32px -10px rgba(63,87,54,.5); }

/* Animated active nav underline */
.pitch-nav-links a {
  position: relative;
  overflow: hidden;
}
.pitch-nav-links a::after {
  content: "";
  position: absolute;
  left: 14%; right: 14%; bottom: 4px;
  height: 1.5px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform .35s var(--spring);
  border-radius: 2px;
}
.pitch-nav-links a.active::after { transform: scaleX(1); }
.pitch-nav-links a:hover::after { transform: scaleX(.4); }
.pitch-nav-links a.active:hover::after { transform: scaleX(1); }

/* Hover-lift cards / tiles */
.member-tile,
.product-frame,
.moat-cell,
.problem-row,
.pact-row,
.tier-card,
.sig-row {
  transition: transform .35s var(--ease), background .35s var(--ease);
}
.problem-row:hover,
.pact-row:hover,
.sig-row:hover {
  background: var(--surface-2);
}
.problem-row,
.pact-row {
  cursor: default;
}
.sig-row { border-radius: 12px; }
.sig-row:hover .sig-glyph { transform: scale(1.1) rotate(-6deg); transition: transform .4s var(--spring); }
.sig-glyph { transition: transform .35s var(--ease); }

/* Product frame lift */
.product-frame { transition: transform .5s var(--ease), box-shadow .5s var(--ease); }
.product-frame.is-in { transform: translateY(0); }

/* Pull quote reveal — blur to clear with offset */
.insight-stage .pull-quote {
  opacity: 0;
  filter: blur(20px);
  transform: scale(.97);
  transition: opacity 1.4s var(--ease), filter 1.4s var(--ease), transform 1.4s var(--ease);
}
.insight-stage .pull-quote.is-in {
  opacity: 1;
  filter: blur(0);
  transform: scale(1);
}

/* Drop cap entrance — scale + rotate slight */
.dropcap p:first-of-type {
  position: relative;
}
.dropcap p:first-of-type::first-letter {
  display: inline-block;
  transition: transform .9s var(--spring) .2s, opacity .9s var(--ease) .2s;
}
.dropcap.reveal-up p:first-of-type::first-letter {
  transform: scale(0.6) rotate(-8deg);
  opacity: 0.4;
}
.dropcap.reveal-up.is-in p:first-of-type::first-letter {
  transform: scale(1) rotate(0deg);
  opacity: 1;
}

/* Tier card alternating side slide */
.tier-card {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity .9s var(--ease), transform .9s var(--ease);
}
.tier-card.is-in { opacity: 1; transform: translateY(0); }
.tier-card-key.serif { transition: transform .4s var(--spring); }
.tier-card:hover .tier-card-key.serif { transform: translateX(6px); }

/* Tier IO pane staggered */
.tier-card.is-in .tier-io > div:nth-child(1) { animation: fade-up .8s var(--ease) .2s both; }
.tier-card.is-in .tier-io > div:nth-child(2) { animation: fade-up .8s var(--ease) .35s both; }
@keyframes fade-up {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: none; }
}

/* Signal category reveal + signal grid stagger */
.sig-cat {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .9s var(--ease), transform .9s var(--ease);
}
.sig-cat.is-in { opacity: 1; transform: translateY(0); }
.sig-cat.is-in .sig-row { animation: fade-up .7s var(--ease) both; }
.sig-cat.is-in .sig-row:nth-child(1) { animation-delay: .1s; }
.sig-cat.is-in .sig-row:nth-child(2) { animation-delay: .18s; }
.sig-cat.is-in .sig-row:nth-child(3) { animation-delay: .26s; }
.sig-cat.is-in .sig-row:nth-child(4) { animation-delay: .34s; }

/* Flow rail active item — animated dot scale + ring */
.flow-rail-item .flow-rail-dot {
  transition: all .35s var(--spring);
}
.flow-rail-item.active .flow-rail-dot {
  animation: dot-pop .5s var(--spring);
}
@keyframes dot-pop {
  0%   { transform: scale(.9); }
  60%  { transform: scale(1.18); }
  100% { transform: scale(1); }
}
.flow-detail-col { transition: opacity .4s var(--ease); }
.flow-detail-col.swap-out { opacity: 0; }

/* Pact rows reveal */
.pact-row {
  opacity: 0; transform: translateY(20px);
  transition: opacity .7s var(--ease), transform .7s var(--ease), background .35s var(--ease);
}
.pact-row.is-in { opacity: 1; transform: translateY(0); }
.pact-row.is-in:nth-child(2) { transition-delay: .08s; }
.pact-row.is-in:nth-child(3) { transition-delay: .16s; }
.pact-row.is-in:nth-child(4) { transition-delay: .24s; }
.pact-row.is-in:nth-child(5) { transition-delay: .32s; }
.pact-row.is-in:nth-child(6) { transition-delay: .4s; }
.pact-num { transition: transform .4s var(--spring); }
.pact-row:hover .pact-num { transform: translateX(6px) rotate(-2deg); }

/* Moat reveal */
.moat-cell {
  opacity: 0; transform: translateY(22px);
  transition: opacity .8s var(--ease), transform .8s var(--ease);
}
.moat-cell.is-in { opacity: 1; transform: translateY(0); }
.moat-cell.is-in:nth-child(2) { transition-delay: .08s; }
.moat-cell.is-in:nth-child(3) { transition-delay: .16s; }
.moat-cell.is-in:nth-child(4) { transition-delay: .24s; }
.moat-cell.is-in:nth-child(5) { transition-delay: .32s; }
.moat-cell.is-in:nth-child(6) { transition-delay: .4s; }
.moat-cell { position: relative; }
.moat-cell::after {
  content: "";
  position: absolute;
  left: 0; right: 0; top: 0;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .8s var(--ease) var(--moat-delay, 0ms);
}
.moat-cell.is-in::after { transform: scaleX(1); }
.moat-cell:nth-child(1) { --moat-delay: 0ms; }
.moat-cell:nth-child(2) { --moat-delay: 80ms; }
.moat-cell:nth-child(3) { --moat-delay: 160ms; }
.moat-cell:nth-child(4) { --moat-delay: 240ms; }
.moat-cell:nth-child(5) { --moat-delay: 320ms; }
.moat-cell:nth-child(6) { --moat-delay: 400ms; }
.moat-cell:nth-child(1)::after,
.moat-cell:nth-child(2)::after { /* keep top rule but smaller */ display: none; }
.moat-cell:nth-child(n+3)::after { display: block; }

/* Number cards count-up flicker (tab-num to avoid layout shift) */
.nf-num, .ns-num, .hero-stat .h-num { font-variant-numeric: tabular-nums; }

.nf-cell {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .9s var(--ease), transform .9s var(--ease);
}
.nf-cell.is-in { opacity: 1; transform: translateY(0); }
.nf-cell.is-in:nth-child(2) { transition-delay: .12s; }
.nf-cell.is-in:nth-child(3) { transition-delay: .24s; }
.nf-cell.is-in:nth-child(4) { transition-delay: .36s; }

.ns-cell {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
}
.ns-cell.is-in { opacity: 1; transform: translateY(0); }
.ns-cell.is-in:nth-child(2) { transition-delay: .08s; }
.ns-cell.is-in:nth-child(3) { transition-delay: .16s; }
.ns-cell.is-in:nth-child(4) { transition-delay: .24s; }

/* Roadmap row reveal */
.roadmap-row {
  opacity: 0; transform: translateY(20px);
  transition: opacity .8s var(--ease), transform .8s var(--ease);
}
.roadmap-row.is-in { opacity: 1; transform: translateY(0); }
.roadmap-row.is-in:nth-child(2) { transition-delay: .12s; }
.roadmap-row.is-in:nth-child(3) { transition-delay: .24s; }
.roadmap-row.is-in .rm-item { animation: fade-up .6s var(--ease) both; }
.roadmap-row.is-in:nth-child(1) .rm-item:nth-child(2) { animation-delay: .05s; }
.roadmap-row.is-in:nth-child(1) .rm-item:nth-child(3) { animation-delay: .1s; }
.roadmap-row.is-in:nth-child(1) .rm-item:nth-child(4) { animation-delay: .15s; }
.roadmap-row.is-in:nth-child(1) .rm-item:nth-child(5) { animation-delay: .2s; }

/* Problem row reveal with italic numeral */
.problem-row {
  opacity: 0; transform: translateY(20px);
  transition: opacity .8s var(--ease), transform .8s var(--ease), background .25s var(--ease);
}
.problem-row.is-in { opacity: 1; transform: translateY(0); }
.problem-row.is-in:nth-child(2) { transition-delay: .08s; }
.problem-row.is-in:nth-child(3) { transition-delay: .16s; }
.problem-row.is-in:nth-child(4) { transition-delay: .24s; }
.problem-num { transition: transform .4s var(--spring), color .25s var(--ease); }
.problem-row:hover .problem-num { color: var(--accent-ink); transform: translateX(6px) rotate(-3deg); }

/* Hero strip stagger */
.hero-strip { position: relative; }
.hero-strip .hero-stat {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .8s var(--ease), transform .8s var(--ease);
}
.hero-strip.is-in .hero-stat { opacity: 1; transform: translateY(0); }
.hero-strip.is-in .hero-stat:nth-child(2) { transition-delay: .1s; }
.hero-strip.is-in .hero-stat:nth-child(3) { transition-delay: .2s; }
.hero-strip.is-in .hero-stat:nth-child(4) { transition-delay: .3s; }

/* CTA stage */
.cta-stage { animation: fade-up 1.2s var(--ease) both; }
.cta-stage::before {
  content: "";
  position: absolute;
  inset: -40px;
  background:
    radial-gradient(400px 240px at 20% 30%, var(--accent-soft), transparent 70%),
    radial-gradient(400px 240px at 80% 70%, var(--warn-soft), transparent 70%);
  filter: blur(40px);
  z-index: -1;
  opacity: 0;
  transition: opacity 1.5s var(--ease);
}
section#cta:has(.cta-stage.is-in) .cta-stage::before { opacity: 0.6; }
.cta-stage { position: relative; }

/* Slideover content stagger when opened */
.slideover.open .so-callout { animation: fade-up .55s var(--ease) .08s both; }
.slideover.open .so-actions { animation: fade-up .55s var(--ease) .14s both; }
.slideover.open .so-section { animation: fade-up .55s var(--ease) both; }
.slideover.open .so-section:nth-of-type(2) { animation-delay: .2s; }
.slideover.open .so-section:nth-of-type(3) { animation-delay: .28s; }
.slideover.open .so-evolve-item { animation: fade-up .55s var(--ease) both; }
.slideover.open .so-evolve-item:nth-child(1) { animation-delay: .32s; }
.slideover.open .so-evolve-item:nth-child(2) { animation-delay: .38s; }
.slideover.open .so-evolve-item:nth-child(3) { animation-delay: .44s; }
.slideover.open .so-evolve-item:nth-child(4) { animation-delay: .5s; }

/* Live viz pulse extras */
.live-viz {
  transition: transform .9s var(--ease), box-shadow .9s var(--ease);
}
.live-viz.is-in { transform: none; }

/* Reduce motion preference */
@media (prefers-reduced-motion: reduce) {
  .reveal-up, .reveal-blur, .reveal-scale,
  .reveal-stagger > *,
  .tier-card, .sig-cat, .pact-row, .moat-cell, .nf-cell, .ns-cell,
  .roadmap-row, .problem-row, .hero-strip .hero-stat,
  .insight-stage .pull-quote {
    opacity: 1 !important;
    transform: none !important;
    filter: none !important;
    animation: none !important;
  }
  body::before { animation: none !important; }
  .float, .float-soft, .breathe { animation: none !important; }
  .cursor-blob { display: none !important; }
}