/* =============================================================
   HYBE Health — v4 (single-accent: health blue)
   Navy gradient · Cream #F5F1E8 · Accent #2D9CDB
   Fraunces (emotional display) · Manrope (assertive display + body) · JetBrains Mono (labels)
   ============================================================= */

:root {
  --navy: #0E1E3A;
  --navy-top: #0A1830;
  --navy-deep: #070F22;
  --cream: #F5F1E8;
  --cream-deep: #EDE7D8;
  --ink: #1A1F2C;
  --ink-soft: #3A4050;

  --gold: #2D9CDB;
  --gold-soft: rgba(45, 156, 219, 0.55);
  --gold-faint: rgba(45, 156, 219, 0.28);
  --gold-line: rgba(45, 156, 219, 0.35);

  --blue: #2D9CDB;
  --blue-soft: rgba(45, 156, 219, 0.30);
  --blue-faint: rgba(45, 156, 219, 0.15);

  --offwhite: #F5F1E8;
  --offwhite-70: rgba(245, 241, 232, 0.72);
  --offwhite-55: rgba(245, 241, 232, 0.55);
  --offwhite-40: rgba(245, 241, 232, 0.40);

  --rule-light: rgba(245, 241, 232, 0.10);
  --rule-light-strong: rgba(245, 241, 232, 0.20);
  --rule-dark: rgba(26, 31, 44, 0.10);
  --rule-dark-strong: rgba(26, 31, 44, 0.22);

  --container: 1240px;
  --pad-x: 40px;
  --section-pad: 160px;

  --serif: 'Fraunces', 'Cormorant Garamond', Georgia, serif;
  --sans: 'Manrope', system-ui, -apple-system, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, Menlo, monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  background: var(--navy);
  color: var(--offwhite);
  font-family: var(--sans);
  font-weight: 400;
  font-size: 16px;
  line-height: 1.6;
  position: relative;
}
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; background: none; border: 0; color: inherit; }

/* ---------- Grain overlay ---------- */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='180' height='180'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1  0 0 0 0 1  0 0 0 0 1  0 0 0 0.35 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
  opacity: 0.05;
  mix-blend-mode: overlay;
  animation: grain-drift 22s ease-in-out infinite;
}
@keyframes grain-drift {
  0%, 100% { opacity: 0.045; transform: translate(0,0); }
  50%      { opacity: 0.075; transform: translate(-1%, 1%); }
}
.bg-cream { position: relative; }
.bg-cream::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='180' height='180'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0  0 0 0 0 0  0 0 0 0 0  0 0 0 0.5 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
  opacity: 0.025;
  pointer-events: none;
  z-index: 1;
}
.bg-cream > * { position: relative; z-index: 2; }

.bg-navy {
  background: linear-gradient(to bottom, var(--navy-top) 0%, var(--navy) 100%);
  color: var(--offwhite);
}
.bg-charcoal { background: var(--navy-deep); color: var(--offwhite); }
.bg-cream { background: var(--cream); color: var(--ink); }

/* ---------- Typography ---------- */
.mono {
  font-family: var(--mono);
  font-weight: 400;
  font-size: 11px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--offwhite-55);
}
.mono.gold { color: var(--gold); }
.mono.on-light { color: rgba(26, 31, 44, 0.72); }
.mono.on-light.gold { color: var(--gold); }

/* Emotional display: Fraunces Light */
.display-serif {
  font-family: var(--serif);
  font-weight: 300;
  letter-spacing: -0.012em;
  line-height: 1.04;
  font-variation-settings: "opsz" 144, "SOFT" 50, "WONK" 0;
}
.display-serif em, .display-serif .it {
  font-style: italic;
  font-weight: 300;
  font-variation-settings: "opsz" 144, "SOFT" 100, "WONK" 1;
}
/* Assertive display: Manrope Bold */
.display-sans {
  font-family: var(--sans);
  font-weight: 700;
  letter-spacing: -0.022em;
  line-height: 1.04;
}

.h-hero { font-size: clamp(48px, 7vw, 88px); line-height: 1.0; }
.h-1    { font-size: clamp(36px, 4.2vw, 60px); line-height: 1.05; }
.h-2    { font-size: clamp(32px, 3.4vw, 48px); line-height: 1.08; }

.subtitle {
  font-family: var(--sans);
  font-weight: 400;
  font-size: 17px;
  line-height: 1.6;
  color: var(--offwhite-70);
}
.subtitle.on-light { color: var(--ink-soft); }
.body {
  font-family: var(--sans);
  font-weight: 400;
  font-size: 15px;
  line-height: 1.65;
  color: var(--offwhite-70);
}
.body.on-light { color: var(--ink-soft); }

.pull-quote {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 300;
  font-size: 19px;
  line-height: 1.4;
  letter-spacing: -0.005em;
  color: var(--offwhite-70);
  font-variation-settings: "opsz" 144, "SOFT" 100, "WONK" 1;
}
.pull-quote.on-light { color: var(--ink-soft); }
.pull-quote.small { font-size: 16px; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 18px;
  font-family: var(--mono);
  font-weight: 500;
  font-size: 14px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 32px;
}
.eyebrow::before {
  content: '';
  width: 44px;
  height: 1px;
  background: var(--gold);
}
.eyebrow.center { justify-content: center; }
.eyebrow.center::after,
.hero-inner .eyebrow::after {
  content: '';
  width: 44px;
  height: 1px;
  background: var(--gold);
}
.eyebrow.blue { color: var(--blue); }
.eyebrow.blue::before,
.eyebrow.blue.center::after,
.hero-inner .eyebrow.blue::after { background: var(--blue-soft); }

/* ---------- Layout ---------- */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding-left: var(--pad-x);
  padding-right: var(--pad-x);
  position: relative;
  z-index: 2;
}
.section { padding-top: var(--section-pad); padding-bottom: var(--section-pad); position: relative; }

/* ---------- Nav ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  transition: background 0.35s ease, border-color 0.35s ease, backdrop-filter 0.35s ease;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(10, 24, 48, 0.78);
  backdrop-filter: saturate(140%) blur(16px);
  -webkit-backdrop-filter: saturate(140%) blur(16px);
  border-bottom-color: var(--rule-light);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.wordmark {
  font-family: var(--sans);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: 0.28em;
  color: var(--offwhite);
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  text-transform: uppercase;
}
.wordmark .sub {
  font-family: var(--sans);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: 0.28em;
  color: var(--offwhite-55);
  text-transform: uppercase;
}

/* ---------- Buttons ---------- */
.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  white-space: nowrap;
  font-family: var(--sans);
  font-weight: 500;
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 16px 32px;
  border-radius: 0;
  border: 1px solid var(--gold-soft);
  background: transparent;
  color: var(--gold);
  transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
}
.btn-outline:hover {
  border-color: var(--gold);
  background: rgba(45, 156, 219, 0.08);
}
.btn-outline:hover .arrow { transform: translateX(3px); }
.btn-outline .arrow {
  width: 12px; height: 12px;
  transition: transform 0.2s ease;
}
.btn-outline.compact {
  padding: 11px 26px;
  font-size: 11px;
  border-color: rgba(45, 156, 219, 0.28);
}
.btn-outline.compact:hover { border-color: var(--gold); }
.btn-outline.block { width: 100%; padding: 20px 32px; }

.btn-text {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--sans);
  font-weight: 500;
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
  padding-bottom: 8px;
  border-bottom: 1px solid var(--gold-soft);
  transition: border-color 0.2s ease, color 0.2s ease;
}
.btn-text:hover { border-color: var(--blue); color: var(--blue); }
.btn-text .arrow { width: 12px; height: 12px; transition: transform 0.2s ease; }
.btn-text:hover .arrow { transform: translateX(3px); }

/* ---------- Inputs ---------- */
.input {
  width: 100%;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--rule-light-strong);
  color: var(--offwhite);
  padding: 18px 2px;
  font-family: var(--sans);
  font-size: 16px;
  outline: none;
  transition: border-color 0.25s ease;
}
.input::placeholder { color: rgba(245, 241, 232, 0.55); }
.input:focus { border-color: var(--gold); }
.input.on-light { border-bottom-color: var(--rule-dark-strong); color: var(--ink); }
.input.on-light::placeholder { color: rgba(26, 31, 44, 0.55); }

/* ---------- Pulse rings + heartbeat ---------- */
.pulse-stage {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  display: grid;
  place-items: center;
  z-index: 1;
}
.pulse-stage .ring {
  position: absolute;
  border: 1.5px solid var(--gold);
  border-radius: 50%;
  width: 220px;
  height: 220px;
  opacity: 0;
  box-shadow: 0 0 24px rgba(45, 156, 219, 0.15);
  animation: pulse-out 12s linear infinite;
}
.pulse-stage .ring:nth-child(1) { animation-delay: 0s; }
.pulse-stage .ring:nth-child(2) { animation-delay: 3s; }
.pulse-stage .ring:nth-child(3) { animation-delay: 6s; }
.pulse-stage .ring:nth-child(4) { animation-delay: 9s; }
@keyframes pulse-out {
  0%   { transform: scale(0.25); opacity: 0; }
  12%  { opacity: 0.45; }
  35%  { opacity: 0.22; }
  70%  { opacity: 0.10; }
  100% { transform: scale(5); opacity: 0; }
}
.pulse-stage.faint .ring { animation-duration: 18s; }
.pulse-stage.faint .ring { animation-name: pulse-out-faint; }
@keyframes pulse-out-faint {
  0%   { transform: scale(0.4); opacity: 0; }
  20%  { opacity: 0.05; }
  100% { transform: scale(5); opacity: 0; }
}

/* The single live heartbeat at the centre of the rings */
.heartbeat {
  position: absolute;
  top: 50%; left: 50%;
  width: 5px; height: 5px;
  background: var(--gold);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  z-index: 2;
  box-shadow: 0 0 0 0 rgba(45, 156, 219, 0);
  animation: heartbeat 1.4s ease-out infinite;
}
@keyframes heartbeat {
  0%   { transform: translate(-50%, -50%) scale(1);    box-shadow: 0 0 0 0   rgba(45, 156, 219, 0.5); }
  18%  { transform: translate(-50%, -50%) scale(1.35); box-shadow: 0 0 0 8px rgba(45, 156, 219, 0); }
  36%  { transform: translate(-50%, -50%) scale(1);    box-shadow: 0 0 0 0   rgba(45, 156, 219, 0); }
  100% { transform: translate(-50%, -50%) scale(1);    box-shadow: 0 0 0 0   rgba(45, 156, 219, 0); }
}

/* ECG line behind the Inside section — anatomically modelled, smooth beziers */
.ecg-bg {
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  transform: translateY(-50%);
  height: 620px;
  z-index: 1;
  overflow: hidden;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(to right,
    rgba(0,0,0,0.18) 0%,
    rgba(0,0,0,0.28) 55%,
    rgba(0,0,0,0.55) 85%,
    rgba(0,0,0,1)    100%);
  mask-image: linear-gradient(to right,
    rgba(0,0,0,0.18) 0%,
    rgba(0,0,0,0.28) 55%,
    rgba(0,0,0,0.55) 85%,
    rgba(0,0,0,1)    100%);
}
.ecg-bg svg {
  width: 200%;
  height: 100%;
  display: block;
  animation: ecg-pan 12s linear infinite;
}
.ecg-bg .ecg-line {
  stroke: var(--blue);
  stroke-width: 1.2;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
  opacity: 0.55;
  vector-effect: non-scaling-stroke;
}
.ecg-bg .ecg-bloom {
  stroke: var(--blue);
  stroke-width: 4;
  fill: none;
  opacity: 0.20;
  vector-effect: non-scaling-stroke;
}
.ecg-playhead {
  position: absolute;
  top: 50%;
  right: 0;
  transform: translate(50%, -50%);
  width: 7px;
  height: 7px;
  background: var(--blue);
  border-radius: 50%;
  z-index: 3;
  box-shadow:
    0 0 12px 2px rgba(45, 156, 219, 0.75),
    0 0 28px 8px rgba(45, 156, 219, 0.30);
  animation: playhead-throb 1.2s ease-out infinite;
}
@keyframes playhead-throb {
  0%, 100% { box-shadow: 0 0 10px 2px rgba(45, 156, 219, 0.55), 0 0 22px 6px rgba(45, 156, 219, 0.18); }
  35%      { box-shadow: 0 0 16px 3px rgba(45, 156, 219, 0.85), 0 0 32px 10px rgba(45, 156, 219, 0.35); }
}
@keyframes ecg-pan {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* Dial-marker motif */
.dial-marker {
  width: 22px;
  height: 22px;
  border: 1px solid var(--gold-soft);
  border-radius: 50%;
  position: relative;
  display: block;
  margin: 0 auto;
}
.dial-marker::after {
  content: '';
  position: absolute;
  inset: 4px;
  border: 1px solid var(--gold-faint);
  border-radius: 50%;
}
.dial-marker.center { display: block; margin: 0 auto; }

/* Standalone heartbeat marker (waitlist top, etc.) */
.heartbeat-marker {
  position: relative;
  display: block;
  width: 22px; height: 22px;
  border: 1px solid var(--gold-soft);
  border-radius: 50%;
  margin: 0 auto;
}
.heartbeat-marker::after {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--gold);
  transform: translate(-50%, -50%);
  animation: heartbeat 1.4s ease-out infinite;
}

/* ---------- Hero (centred) ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  overflow: hidden;
  padding: 100px 0 120px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-inner {
  position: relative;
  z-index: 3;
  width: 100%;
  text-align: center;
  max-width: 880px;
  margin: 0 auto;
}
.hero-inner .eyebrow { justify-content: center; }
.hero-headline {
  margin: 28px 0 32px;
}
.hero-sub {
  margin: 0 auto 48px;
  max-width: 540px;
  font-size: 18px;
}
.scroll-cue {
  position: absolute;
  bottom: 48px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  z-index: 3;
  color: var(--offwhite-55);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
}
.scroll-cue::after {
  content: '';
  display: block;
  width: 1px;
  height: 36px;
  background: linear-gradient(to bottom, var(--gold-soft), transparent);
}

/* ---------- Section heads ---------- */
.section-head { max-width: 820px; margin-bottom: 80px; }
.section-head.center { text-align: center; margin-left: auto; margin-right: auto; }
.section-head.narrow { max-width: 680px; }
.section-head .lede {
  margin-top: 28px;
  max-width: 560px;
}

/* ---------- Problem (comparison table · smartwatch vs HYBE) ---------- */
.problem-head {
  max-width: 1040px;
  margin-bottom: clamp(40px, 6vh, 72px);
}
.problem-headline {
  margin: 16px 0 0;
}

.comparison { display: flex; flex-direction: column; }
.comparison-head,
.comparison-row {
  display: grid;
  grid-template-columns: 160px 1fr 1fr;
  gap: clamp(24px, 3vw, 56px);
  align-items: baseline;
}
.comparison-head {
  padding-bottom: 16px;
  border-bottom: 1px solid var(--gold-line);
}
.comparison-head .mono { color: var(--offwhite-55); }
.comparison-head .mono.accent { color: var(--blue); }
.comparison-row {
  padding: clamp(18px, 2.4vh, 30px) 0;
  border-bottom: 1px solid var(--gold-line);
}
.comp-cat {
  font-family: var(--mono);
  font-weight: 500;
  font-size: 11px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--gold);
}
.comp-cell {
  font-family: var(--sans);
  font-weight: 400;
  font-size: clamp(14px, 1.05vw, 16px);
  line-height: 1.55;
  color: var(--offwhite-55);
  margin: 0;
}
.comp-cell.comp-hybe { color: var(--offwhite); }

@media (max-width: 800px) {
  .comparison-head { display: none; }
  .comparison-row {
    grid-template-columns: 1fr;
    gap: 10px;
    padding: 22px 0;
  }
  .comp-cell::before {
    display: block;
    font-family: var(--mono);
    font-size: 10px;
    letter-spacing: 0.32em;
    text-transform: uppercase;
    margin-bottom: 4px;
    color: var(--offwhite-55);
  }
  .comp-cell:not(.comp-hybe)::before { content: 'Most smartwatches'; }
  .comp-cell.comp-hybe::before { content: 'HYBE Health'; color: var(--blue); }
}

/* ---------- Problem section · whole section locked to 100vh ---------- */
.problem-section {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: clamp(80px, 10vh, 140px);
  padding-bottom: clamp(80px, 10vh, 140px);
}
.problem-section .container { width: 100%; }
.problem-headline {
  font-size: clamp(28px, 3.2vw, 44px);
  line-height: 1.1;
  letter-spacing: -0.018em;
}

/* ---------- Problem tagline · full-width brand line, no divider ---------- */
.problem-tagline {
  margin-top: clamp(48px, 7vh, 88px);
  text-align: center;
}
.problem-tagline p {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 300;
  font-size: clamp(40px, 5.6vw, 84px);
  line-height: 1.0;
  letter-spacing: -0.018em;
  color: var(--offwhite);
  margin: 0;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  font-variation-settings: "opsz" 144, "SOFT" 100, "WONK" 1;
}

/* ---------- Approach (cream) ---------- */
.approach-pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 56px;
  margin-top: 88px;
}
.pillar .pillar-marker {
  width: 16px;
  height: 16px;
  border: 1px solid var(--gold);
  border-radius: 50%;
  position: relative;
  margin-bottom: 24px;
}
.pillar .pillar-marker::after {
  content: '';
  position: absolute;
  inset: 4px;
  background: var(--gold);
  border-radius: 50%;
  opacity: 0.6;
}
.pillar .pillar-num {
  font-family: var(--mono);
  font-weight: 500;
  font-size: 11px;
  letter-spacing: 0.32em;
  color: rgba(26, 31, 44, 0.50);
  margin-bottom: 12px;
  text-transform: uppercase;
  display: block;
}
.pillar h3 {
  font-family: var(--sans);
  font-weight: 700;
  font-size: 22px;
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin: 0 0 14px;
  color: var(--ink);
}
.pillar .body { color: var(--ink-soft); }

/* ---------- Inside — spec list (no cards) ---------- */
.inside-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 16px;
}
.inside-meta .mono { color: var(--blue); }
.inside-meta .mono.right { color: var(--offwhite-55); }
.spec-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  column-gap: 80px;
  position: relative;
  z-index: 2;
}
.spec-list .spec {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 24px;
  padding: 32px 0;
  border-top: 1px solid var(--gold-line);
  align-items: baseline;
}
.spec-list .spec:nth-last-child(-n+2) { border-bottom: 1px solid var(--gold-line); }
.spec .num {
  font-family: var(--mono);
  font-weight: 500;
  font-size: 11px;
  letter-spacing: 0.32em;
  color: var(--gold);
  text-transform: uppercase;
}
.spec h3 {
  font-family: var(--sans);
  font-weight: 700;
  font-size: 19px;
  line-height: 1.25;
  margin: 0 0 6px;
  color: var(--offwhite);
  letter-spacing: -0.01em;
}
.spec p { margin: 0; font-size: 14px; color: var(--offwhite-70); }
.inside-footnote {
  margin-top: 28px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--blue);
  display: flex;
  align-items: center;
  gap: 14px;
}
.inside-footnote::before {
  content: '';
  width: 28px;
  height: 1px;
  background: var(--blue-soft);
}

/* ---------- How it works ---------- */
.steps {
  display: grid;
  grid-template-columns: 1fr 80px 1fr 80px 1fr;
  align-items: start;
  gap: 24px;
  margin-top: 88px;
}
.step .step-num {
  font-family: var(--mono);
  font-weight: 500;
  font-size: 12px;
  letter-spacing: 0.32em;
  color: var(--gold);
  line-height: 1;
  margin-bottom: 24px;
  display: block;
}
.step h3 {
  font-family: var(--sans);
  font-weight: 700;
  font-size: 22px;
  margin: 0 0 12px;
  color: var(--ink);
  letter-spacing: -0.01em;
}
.step .body { color: var(--ink-soft); }

/* Connector: gradient flow line from gold → blue, animated */
.step-connector {
  position: relative;
  width: 100%;
  height: 1px;
  margin-top: 14px;
  align-self: start;
  background: linear-gradient(
    to right,
    rgba(45, 156, 219, 0.0) 0%,
    rgba(45, 156, 219, 0.6) 30%,
    rgba(45, 156, 219, 0.6) 70%,
    rgba(45, 156, 219, 0.0) 100%
  );
}
.step-connector::after {
  content: '';
  position: absolute;
  top: -1px; left: 0;
  width: 30%; height: 3px;
  background: linear-gradient(to right, transparent, var(--blue), transparent);
  filter: blur(2px);
  animation: flow 4.5s ease-in-out infinite;
  opacity: 0.7;
}
@keyframes flow {
  0%   { transform: translateX(-30%); opacity: 0; }
  20%  { opacity: 0.9; }
  100% { transform: translateX(130%); opacity: 0; }
}

/* ---------- Story ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 120px;
  margin-top: 56px;
  align-items: stretch;
}
.about-text p {
  font-family: var(--sans);
  font-weight: 400;
  font-size: 17px;
  line-height: 1.65;
  color: var(--offwhite-70);
  margin: 0 0 26px;
}
.about-text p:last-child { margin-bottom: 0; }
.founder-mark {
  position: relative;
  border-left: 1px solid var(--gold-soft);
  padding: 12px 0 12px 32px;
  min-height: 320px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 32px;
}
.founder-mark .name {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 15px;
  color: var(--offwhite);
  margin-top: 8px;
  letter-spacing: 0.01em;
}
.founder-quote {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 300;
  font-size: 17px;
  line-height: 1.5;
  color: var(--offwhite-70);
  font-variation-settings: "opsz" 144, "SOFT" 100, "WONK" 1;
}

/* ---------- CTA section ---------- */
.cta-block { text-align: center; max-width: 720px; margin: 0 auto; }
.cta-form {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 32px;
  max-width: 520px;
  margin: 48px auto 24px;
  align-items: end;
}
.cta-form .input { padding: 16px 0; }

/* ---------- Footer ---------- */
.footer {
  background: var(--navy-deep);
  position: relative;
}
.footer::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: var(--gold-soft);
}
.footer-inner {
  padding: 64px 0 56px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  text-align: center;
}
.footer-inner .wordmark { margin: 0; }
.footer-inner .meta {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.32em;
  color: var(--offwhite-55);
  text-transform: uppercase;
}
.footer-inner .links {
  display: flex;
  gap: 36px;
  justify-content: center;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  margin-top: 8px;
}
.footer-inner .links a { color: var(--offwhite-55); transition: color 0.2s ease; }
.footer-inner .links a:hover { color: var(--blue); }

/* ---------- Waitlist page ---------- */
.waitlist-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: linear-gradient(to bottom, var(--navy-top) 0%, var(--navy) 100%);
  position: relative;
  overflow: hidden;
}
.waitlist-stage {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: 120px 0 80px;
  min-height: 100vh;
}
.waitlist-content {
  position: relative;
  z-index: 3;
  max-width: 540px;
  width: 100%;
  text-align: center;
}
.waitlist-content .eyebrow { justify-content: center; }
.form-stack {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 40px;
  text-align: left;
}
.waitlist-fine {
  margin-top: 24px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--offwhite-55);
}
.live-counter {
  margin-top: 28px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: rgba(45, 156, 219, 0.65);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.live-counter .pip {
  width: 6px; height: 6px; border-radius: 50%; background: var(--blue);
  box-shadow: 0 0 0 0 rgba(45, 156, 219, 0.5);
  animation: heartbeat 1.4s ease-out infinite;
}
.waitlist-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 80px;
  padding-top: 48px;
  border-top: 1px solid var(--gold-line);
}
.waitlist-stats .stat-num {
  font-family: var(--sans);
  font-weight: 700;
  font-size: 32px;
  letter-spacing: -0.02em;
  color: var(--offwhite);
  line-height: 1;
  margin-bottom: 12px;
}
.waitlist-stats .stat-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--offwhite-55);
}
.waitlist-back {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--offwhite-55);
}
.waitlist-back:hover { color: var(--gold); }

/* ---------- Anti-spam honeypot · hidden visually, present in DOM ---------- */
.honeypot {
  position: absolute;
  left: -10000px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
}

/* ---------- Accessibility · skip-to-main + focus rings ---------- */
.skip-link {
  position: absolute;
  top: -100px;
  left: 24px;
  z-index: 999;
  background: var(--cream);
  color: var(--ink);
  padding: 12px 20px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  transition: top 0.15s ease;
}
.skip-link:focus {
  top: 12px;
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}
*:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 3px;
  border-radius: 2px;
}
.btn-outline:focus-visible,
.btn-text:focus-visible {
  outline-offset: 4px;
}
.input:focus-visible {
  outline: none; /* uses existing border-bottom focus style */
}

/* ---------- Reduced-motion preference ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .pulse-stage .ring,
  .heartbeat,
  .ecg-bg svg,
  .ecg-playhead,
  .step-connector::after,
  body::before {
    animation: none !important;
  }
}

/* ---------- FAQ (editorial two-column) ---------- */
.faq-list {
  border-top: 1px solid var(--gold-line);
}
.faq-item {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 64px;
  padding: 36px 0;
  border-bottom: 1px solid var(--gold-line);
  align-items: start;
}
.faq-item h3 {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 19px;
  line-height: 1.3;
  letter-spacing: -0.005em;
  margin: 0;
  color: var(--offwhite);
}
.faq-item p {
  font-family: var(--sans);
  font-weight: 400;
  font-size: 15px;
  line-height: 1.65;
  margin: 0;
  color: var(--offwhite-70);
}

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  :root { --section-pad: 120px; }
  .spec-list { grid-template-columns: 1fr; column-gap: 0; }
  .about-grid { grid-template-columns: 1fr; gap: 64px; }
  .approach-pillars { grid-template-columns: 1fr; gap: 48px; }
  .steps { grid-template-columns: 1fr; gap: 40px; }
  .step-connector { display: none; }
  .faq-item { grid-template-columns: 1fr; gap: 14px; }
}
@media (max-width: 640px) {
  :root { --pad-x: 24px; --section-pad: 96px; }
  .nav-inner { height: 64px; }
  .cta-form { grid-template-columns: 1fr; }
  .waitlist-stats { grid-template-columns: 1fr; gap: 28px; }
}