/* Network graph styles — append to existing styles */
@import url('https://fonts.googleapis.com/css2?family=Instrument+Serif:ital@0;1&family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --bg: #ECEAF3;
  --bg-soft: #F4F2F9;
  --ink: #0B0B14;
  --ink-2: #2A2A38;
  --muted: #6B6B7B;
  --line: rgba(11, 11, 20, 0.08);
  --accent: #3D5AFE;
  --accent-deep: #2434C7;
  --teal: #0da7ca;
  --teal-deep: #097a93;
  --amber: #F2A23A;
  --rose: #0da7ca;
  --shadow-sm: 0 1px 2px rgba(11,11,20,0.04), 0 2px 8px rgba(11,11,20,0.04);
  --shadow-md: 0 4px 16px rgba(11,11,20,0.08), 0 24px 48px -12px rgba(11,11,20,0.18);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
body::before {
  content: ""; position: fixed; inset: 0;
  pointer-events: none; opacity: 0.4;
  background-image: radial-gradient(rgba(11,11,20,0.04) 1px, transparent 1px);
  background-size: 3px 3px; z-index: 0;
}
.page { position: relative; z-index: 1; }

/* NAV */
.nav { display: flex; align-items: center; justify-content: space-between; padding: 22px 56px; max-width: 1440px; margin: 0 auto; }
.nav-logo { display: flex; align-items: center; gap: 10px; font-family: 'Instrument Serif', serif; font-size: 26px; letter-spacing: -0.01em; color: var(--ink); }
.nav-logo-img { height: 32px; width: auto; display: block; }
.ml-logo-img { height: 22px; width: auto; display: block; }
.ft-logo-img { height: 36px; width: auto; display: block; }
.nav-links { display: flex; align-items: center; gap: 36px; }
.nav-links a { text-decoration: none; color: var(--ink-2); font-size: 14.5px; font-weight: 500; display: inline-flex; align-items: center; gap: 4px; transition: color 0.15s; }
.nav-links a:hover { color: var(--ink); }
.nav-links .chev { width: 10px; height: 10px; border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor; transform: rotate(45deg) translate(-2px, -2px); display: inline-block; }
.nav-cta { display: flex; gap: 10px; align-items: center; }
.btn { font-family: inherit; font-size: 14.5px; font-weight: 600; border: none; cursor: pointer; padding: 11px 20px; border-radius: 999px; transition: all 0.15s; text-decoration: none; display: inline-flex; align-items: center; gap: 8px; white-space: nowrap; }
.btn-ghost-pill { background: #fff; color: var(--ink); box-shadow: var(--shadow-sm); }
.btn-ghost-pill:hover { transform: translateY(-1px); }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-deep); transform: translateY(-1px); box-shadow: 0 8px 20px rgba(61,90,254,0.4); }

/* HERO */
.hero { max-width: 1440px; margin: 0 auto; padding: 20px 56px 80px; display: grid; grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr); gap: 40px; align-items: center; min-height: 80vh; }
.hero-left { padding-right: 20px; }

.eyebrow { display: inline-flex; align-items: center; gap: 10px; background: rgba(255,255,255,0.7); border: 1px solid var(--line); padding: 6px 14px 6px 6px; border-radius: 999px; font-size: 13px; font-weight: 500; color: var(--ink-2); margin-bottom: 28px; backdrop-filter: blur(6px); }
.eyebrow-tag { background: var(--ink); color: #fff; font-size: 11px; font-weight: 600; padding: 3px 9px; border-radius: 999px; letter-spacing: 0.04em; text-transform: uppercase; }
.eyebrow-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--teal); box-shadow: 0 0 0 4px rgba(13,167,202,0.18); animation: pulse 1.8s ease-in-out infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; transform: scale(1); } 50% { opacity: 0.6; transform: scale(0.9); } }

.headline { font-family: 'Instrument Serif', serif; font-weight: 400; font-size: clamp(44px, 5.6vw, 76px); line-height: 0.98; letter-spacing: -0.02em; margin: 0 0 24px; color: var(--ink); text-wrap: balance; }
.headline em { font-style: italic; color: var(--accent-deep); }
.subhead { font-size: 18px; line-height: 1.55; color: var(--muted); max-width: 520px; margin: 0 0 36px; text-wrap: pretty; }
.cta-row { display: flex; align-items: center; gap: 14px; margin-bottom: 44px; flex-wrap: wrap; }
.btn-cta { background: var(--ink); color: #fff; padding: 16px 26px; font-size: 15px; border-radius: 999px; box-shadow: 0 12px 28px -10px rgba(11,11,20,0.5); }
.btn-cta:hover { background: var(--accent-deep); transform: translateY(-1px); }
.btn-cta .arrow { width: 18px; height: 18px; border-radius: 50%; background: #fff; color: var(--ink); display: inline-grid; place-items: center; font-size: 12px; margin-left: 4px; transition: transform 0.2s; }
.btn-cta:hover .arrow { transform: translateX(2px); }
.btn-secondary-cta { background: transparent; color: var(--ink); padding: 16px 22px; font-size: 15px; border-radius: 999px; border: 1px solid var(--line); }
.btn-secondary-cta:hover { background: rgba(255,255,255,0.6); border-color: rgba(11,11,20,0.18); }

.trust { display: flex; align-items: center; gap: 28px; flex-wrap: wrap; padding-top: 28px; border-top: 1px solid var(--line); }
.trust-stat { display: flex; flex-direction: column; gap: 2px; }
.trust-stat-num { font-family: 'Instrument Serif', serif; font-size: 28px; letter-spacing: -0.01em; color: var(--ink); line-height: 1; }
.trust-stat-label { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; }
.trust-divider { width: 1px; height: 28px; background: var(--line); }
.trust-badge { display: inline-flex; align-items: center; gap: 6px; font-size: 12.5px; color: var(--muted); font-weight: 500; }
.trust-badge svg { width: 14px; height: 14px; }

/* ==================== HEART NETWORK STAGE ==================== */
.stage { position: relative; width: 100%; height: 640px; display: grid; place-items: center; }
.stage-heart { perspective: 1400px; }

.heart-glow {
  position: absolute;
  width: 580px; height: 580px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(13,167,202,0.28) 0%, transparent 60%);
  filter: blur(40px);
  z-index: 0;
  animation: heartGlowPulse 1.4s ease-in-out infinite;
}
.heart-glow-2 {
  width: 380px; height: 380px;
  background: radial-gradient(circle, rgba(13,167,202,0.4) 0%, transparent 60%);
  animation-delay: 0.1s;
}
@keyframes heartGlowPulse {
  0%, 100% { transform: scale(1); opacity: 0.7; }
  30% { transform: scale(1.1); opacity: 1; }
  60% { transform: scale(0.95); opacity: 0.5; }
}

.heart-canvas {
  position: relative;
  z-index: 2;
  width: 620px;
  height: 540px;
  background: transparent;
  overflow: visible;
}

/* Starfield removed — sphere sits on page background now */
.heart-canvas::before { content: none; }

/* ===== 3D wireframe sphere ===== */
.heart-sphere {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: grid;
  place-items: center;
  pointer-events: none;
}
.sphere3d-scene {
  width: 420px;
  height: 420px;
  perspective: 2400px;
  perspective-origin: 50% 50%;
  transform: translateY(var(--parallaxY, 0px));
  transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.sphere3d-spin {
  width: 100%;
  height: 100%;
  position: relative;
  transform-style: preserve-3d;
  /* User mouse tilt is layered ON TOP of continuous yaw spin */
  transform: rotateX(var(--userTiltX, 0deg)) rotateY(var(--userTiltY, 0deg));
  transition: transform 0.5s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.sphere3d {
  position: absolute;
  inset: 0;
  transform-style: preserve-3d;
  animation: sphereSpinY 30s linear infinite;
}
@keyframes sphereSpinY {
  from { transform: rotateY(0deg); }
  to   { transform: rotateY(360deg); }
}

/* Each ring is a thin border circle in 3D space */
.sphere3d-ring {
  position: absolute;
  top: 50%; left: 50%;
  width: 100%; height: 100%;
  border-radius: 50%;
  border: 1px solid rgba(13, 167, 202, 0.32);
  box-sizing: border-box;
  transform-style: preserve-3d;
  backface-visibility: visible;
  /* Centering via translate so dynamic width/height stays centered */
  margin: 0;
  translate: -50% -50%;
}

/* Color palette for the wireframe: cyan accent + light gray */
.sphere3d-ring.is-cyan { border-color: rgba(13, 167, 202, 0.42); }
.sphere3d-ring.is-gray { border-color: rgba(160, 168, 184, 0.32); }

/* Longitudes: vertical great circles, rotated around Y by their angle. 
   We give them a subtle stroke-opacity breathing for life */
.sphere3d-long {
  animation: longBreathe 8s ease-in-out infinite;
}
.sphere3d-long.is-cyan { animation-name: longBreatheCyan; }
.sphere3d-long.is-gray { animation-name: longBreatheGray; }
@keyframes longBreatheCyan {
  0%, 100% { border-color: rgba(13, 167, 202, 0.28); }
  50% { border-color: rgba(13, 167, 202, 0.55); }
}
@keyframes longBreatheGray {
  0%, 100% { border-color: rgba(160, 168, 184, 0.20); }
  50% { border-color: rgba(160, 168, 184, 0.42); }
}

/* Latitudes: horizontal circles. Sized smaller per latitude (set inline). */
.sphere3d-lat {
  border-color: rgba(160, 168, 184, 0.28);
}
.sphere3d-lat.is-equator {
  border-color: rgba(13, 167, 202, 0.7);
  border-width: 1.5px;
  box-shadow: 0 0 14px rgba(13, 167, 202, 0.45);
}

/* Glowing nodes at intersections — represent active clinics */
.sphere3d-node {
  position: absolute;
  top: 50%; left: 50%;
  width: 6px; height: 6px;
  margin: -3px 0 0 -3px;
  border-radius: 50%;
  background: #fff;
  box-shadow:
    0 0 0 2px rgba(13, 167, 202, 0.4),
    0 0 12px 2px rgba(13, 167, 202, 0.75),
    0 0 24px 4px rgba(13, 167, 202, 0.4);
  animation: nodePulse 2.4s ease-in-out infinite;
}
@keyframes nodePulse {
  0%, 100% { transform: translate3d(var(--x,0), var(--y,0), 0) scale(0.8); opacity: 0.6; }
  50% { opacity: 1; }
}

/* Soft breathing aura behind the whole sphere */
.sphere3d-aura {
  position: absolute;
  inset: 50% 0 0 0;
  width: 460px; height: 460px;
  top: 50%; left: 50%;
  margin: -230px 0 0 -230px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 50% 50%, rgba(61,90,254,0.18) 0%, rgba(61,90,254,0.06) 45%, transparent 70%),
    radial-gradient(circle at 35% 30%, rgba(13,167,202,0.10) 0%, transparent 50%);
  filter: blur(28px);
  animation: sphereAura 1.4s ease-in-out infinite;
  pointer-events: none;
  z-index: 0;
}
@keyframes sphereAura {
  0%, 100% { transform: scale(0.95); opacity: 0.55; }
  30% { transform: scale(1.06); opacity: 0.95; }
}

/* Concentric rings emanating on each beat */
.heart-rings {
  position: absolute;
  top: 50%; left: 50%;
  width: 0; height: 0;
  pointer-events: none;
  z-index: 1;
}
.heart-ring {
  position: absolute;
  top: 50%; left: 50%;
  width: 80px; height: 80px;
  margin: -40px 0 0 -40px;
  border-radius: 50%;
  border: 2px solid rgba(13,167,202,0.6);
  animation: heartRing 1.8s ease-out forwards;
  opacity: 0;
}
.heart-ring.r2 { animation-delay: 0.15s; }
.heart-ring.r3 { animation-delay: 0.3s; }
@keyframes heartRing {
  0% { transform: scale(0.4); opacity: 0.8; border-width: 2px; }
  100% { transform: scale(4); opacity: 0; border-width: 0.5px; }
}

/* Arteries */
.heart-arteries {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  z-index: 2;
}
.heart-artery {
  stroke: rgba(13,167,202,0.22);
  stroke-width: 0.5;
  vector-effect: non-scaling-stroke;
  transition: stroke 0.3s, stroke-width 0.3s;
}
.heart-artery.is-active {
  stroke: rgba(255,107,138,0.95);
  stroke-width: 1.4;
}
.heart-artery-glow {
  stroke: rgba(255,107,138,0.4);
  stroke-width: 4;
  vector-effect: non-scaling-stroke;
  filter: blur(2px);
}

.heart-pulse {
  filter: drop-shadow(0 0 4px rgba(255,255,255,0.9)) drop-shadow(0 0 8px rgba(13,167,202,0.8));
}

/* Clinic nodes at end of arteries */
.heart-clinic {
  position: absolute;
  transform: translate(-50%, -50%);
  z-index: 5;
}
.heart-clinic-bubble {
  position: relative; z-index: 2;
  display: grid; place-items: center;
  width: 32px; height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, #0da7ca, #1cc5e8);
  color: #fff;
  font-size: 10px; font-weight: 700;
  border: 2px solid rgba(255,255,255,0.12);
  box-shadow: 0 4px 12px rgba(13,167,202,0.3), 0 0 0 1px rgba(13,167,202,0.4) inset;
  transition: transform 0.3s;
}
.heart-clinic-ring {
  position: absolute;
  top: 50%; left: 50%;
  width: 32px; height: 32px;
  margin: -16px 0 0 -16px;
  border-radius: 50%;
  border: 2px solid #0da7ca;
  opacity: 0;
  pointer-events: none;
}
.heart-clinic.is-active .heart-clinic-bubble {
  transform: scale(1.25);
  box-shadow: 0 4px 16px rgba(13,167,202,0.6), 0 0 0 2px rgba(255,255,255,0.2) inset, 0 0 24px rgba(13,167,202,0.5);
}
.heart-clinic.is-active .heart-clinic-ring {
  animation: clinicPing 1.4s ease-out;
}
@keyframes clinicPing {
  0% { transform: scale(0.8); opacity: 0.9; }
  100% { transform: scale(2.4); opacity: 0; }
}
.heart-clinic-label {
  position: absolute;
  top: 100%; left: 50%;
  transform: translateX(-50%);
  margin-top: 6px;
  font-size: 9.5px;
  color: rgba(255,255,255,0.5);
  font-weight: 500;
  white-space: nowrap;
  opacity: 0;
  transition: opacity 0.3s, color 0.3s;
}
.heart-clinic.is-active .heart-clinic-label {
  opacity: 1;
  color: rgba(255,255,255,0.9);
}

/* Core (center heart) */
.heart-core {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  z-index: 6;
  display: flex; flex-direction: column; align-items: center; gap: 14px;
}
.heart-core-shell {
  position: relative;
  width: 120px; height: 120px;
  display: grid; place-items: center;
}
.heart-core-pulse {
  position: absolute; inset: 0;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(13,167,202,0.4) 0%, transparent 70%);
  animation: heartCorePulse 1.4s ease-in-out infinite;
}
@keyframes heartCorePulse {
  0%, 100% { transform: scale(0.8); opacity: 0.6; }
  30% { transform: scale(1.15); opacity: 1; }
  60% { transform: scale(0.9); opacity: 0.4; }
}
.heart-core-inner {
  position: relative; z-index: 2;
  width: 80px; height: 80px;
  display: grid; place-items: center;
  background: radial-gradient(circle, #1A1D40 0%, #0B0E26 100%);
  border-radius: 50%;
  border: 1px solid rgba(13,167,202,0.4);
  box-shadow: 0 0 0 1px rgba(255,255,255,0.06), 0 8px 24px rgba(13,167,202,0.3), 0 0 40px rgba(13,167,202,0.4);
  animation: heartBeat 1.4s ease-in-out infinite;
}
.heart-core-inner svg { width: 44px; height: 44px; filter: drop-shadow(0 0 8px rgba(13,167,202,0.6)); }
@keyframes heartBeat {
  0%, 100% { transform: scale(1); }
  20% { transform: scale(1.12); }
  35% { transform: scale(0.98); }
  50% { transform: scale(1.08); }
  65% { transform: scale(1); }
}

.heart-core-stats {
  display: flex; align-items: center; gap: 12px;
  background: var(--ink);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 999px;
  padding: 6px 14px;
  box-shadow: 0 8px 24px -6px rgba(11,11,20,0.4);
}
.heart-core-bpm { display: flex; align-items: baseline; gap: 6px; }
.heart-core-bpm-num {
  font-family: 'Instrument Serif', serif;
  font-size: 22px; color: #fff; line-height: 1;
}
.heart-core-bpm-unit {
  font-size: 10px; color: rgba(255,255,255,0.5);
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* Toast */
.heart-toast {
  position: absolute;
  top: 18px; right: 18px;
  z-index: 10;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(8px);
  border-radius: 12px;
  padding: 8px 14px 8px 10px;
  display: flex; align-items: center; gap: 10px;
  box-shadow: 0 12px 32px -8px rgba(0,0,0,0.5);
  animation: heartToastIn 0.4s cubic-bezier(0.4,0,0.2,1), heartToastOut 0.5s ease 1.6s forwards;
}
@keyframes heartToastIn {
  from { opacity: 0; transform: translateY(-8px) scale(0.95); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
@keyframes heartToastOut {
  to { opacity: 0; transform: translateY(-4px); }
}
.heart-toast-pulse {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--rose);
  box-shadow: 0 0 0 4px rgba(13,167,202,0.2);
  flex-shrink: 0;
}
.heart-toast-title {
  font-size: 10.5px; font-weight: 700;
  color: var(--ink);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  line-height: 1.2;
}
.heart-toast-sub {
  font-size: 12px; color: var(--ink-2);
  font-weight: 500;
  margin-top: 1px;
}

/* ECG line */
.heart-ecg {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 60px;
  z-index: 4;
  pointer-events: none;
  opacity: 0.7;
}
.heart-ecg svg { width: 100%; height: 100%; }
.heart-ecg-dot {
  filter: drop-shadow(0 0 4px rgba(255,255,255,0.9));
}

/* Footer */
.heart-footer {
  position: absolute;
  bottom: 14px; left: 0; right: 0;
  z-index: 7;
  display: flex; justify-content: space-between; align-items: center;
  padding: 0 20px;
  pointer-events: none;
}
.heart-footer-item {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 11px;
  color: var(--muted);
  font-weight: 500;
}
.heart-footer-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 0 3px rgba(13,167,202,0.2);
}
.heart-footer-stat {
  font-size: 11px;
  color: var(--muted);
}
.heart-footer-stat b { color: var(--ink); font-weight: 600; }

/* ==================== FLOATING ELEMENTS ==================== */
.float { position: absolute; z-index: 3; filter: drop-shadow(0 20px 30px rgba(11,11,20,0.12)); }
.float.f1 { top: 2%; left: -2%; animation: floatBob1 6s ease-in-out infinite; }
.float.f2 { top: 14%; right: -3%; animation: floatBob2 6s ease-in-out infinite 1s; }
.float.f5 { bottom: 6%; left: -3%; animation: floatBob5 6s ease-in-out infinite 0.5s; }

@keyframes floatBob1 { 0%, 100% { transform: translateY(0) rotate(-8deg); } 50% { transform: translateY(-14px) rotate(-8deg); } }
@keyframes floatBob2 { 0%, 100% { transform: translateY(0) rotate(6deg); } 50% { transform: translateY(-14px) rotate(6deg); } }
@keyframes floatBob5 { 0%, 100% { transform: translateY(0) rotate(8deg); } 50% { transform: translateY(-14px) rotate(8deg); } }

.case-card { padding: 0; width: 200px; }
.case-card-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; }
.case-card-id { font-family: 'JetBrains Mono', monospace; font-size: 10px; color: var(--muted); letter-spacing: 0.04em; }
.case-card-tag { font-size: 9px; font-weight: 700; padding: 2px 6px; border-radius: 4px; letter-spacing: 0.06em; text-transform: uppercase; }
.case-card-tag.urgent { background: rgba(229,68,109,0.12); color: #E5446D; }
.case-card-title { font-size: 13.5px; font-weight: 600; color: var(--ink); line-height: 1.25; margin-bottom: 6px; }
.case-card-meta { display: flex; align-items: center; gap: 8px; font-size: 11px; color: var(--muted); }
.case-card-meta svg { width: 11px; height: 11px; opacity: 0.6; }

.clinic-badge { padding: 0; display: flex; align-items: center; gap: 10px; }
.clinic-icon { width: 36px; height: 36px; border-radius: 10px; background: linear-gradient(135deg, #0da7ca, #1cc5e8); display: grid; place-items: center; color: #fff; flex-shrink: 0; }
.clinic-icon svg { width: 18px; height: 18px; }
.clinic-name { font-size: 12.5px; font-weight: 600; color: var(--ink); line-height: 1.1; }
.clinic-meta { font-size: 10.5px; color: var(--muted); margin-top: 2px; display: flex; align-items: center; gap: 4px; }
.clinic-meta .star { color: var(--amber); }

.stat-pill { padding: 0; display: flex; align-items: center; gap: 8px; }
.stat-pill-num { background: var(--accent); color: #fff; width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center; font-size: 11px; font-weight: 700; }
.stat-pill-label { font-size: 11.5px; font-weight: 600; color: var(--ink); }
.stat-pill-label small { display: block; font-size: 9.5px; color: var(--muted); font-weight: 500; }

/* ==================== HOW IT WORKS ==================== */
.hiw {
  width: 100%;
  padding: 100px 48px 120px;
  background: linear-gradient(180deg, transparent 0%, rgba(255,255,255,0.55) 22%, rgba(255,255,255,0.55) 100%);
  border-top: 1px solid rgba(11,11,20,0.06);
  position: relative;
  overflow: hidden;
}
.hiw-inner {
  max-width: 1240px;
  margin: 0 auto;
}
.hiw-header {
  max-width: 720px;
  margin-bottom: 80px;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s cubic-bezier(0.2,0.8,0.2,1), transform 0.7s cubic-bezier(0.2,0.8,0.2,1);
}
.hiw.is-in .hiw-header { opacity: 1; transform: translateY(0); }
.hiw-eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  background: rgba(255,255,255,0.7);
  border: 1px solid var(--line);
  padding: 6px 16px;
  border-radius: 999px;
  font-size: 12.5px; font-weight: 600;
  color: var(--ink);
  letter-spacing: 0.02em;
  margin-bottom: 24px;
}
.hiw-eyebrow-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 0 4px rgba(13,167,202,0.18);
  animation: pulse 1.8s ease-in-out infinite;
}
.hiw-title {
  font-family: 'Instrument Serif', serif;
  font-size: clamp(40px, 5vw, 64px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--ink);
  font-weight: 400;
  margin: 0;
}
.hiw-title em {
  font-style: italic;
  color: var(--teal);
  font-weight: 400;
}

/* Steps */
.hiw-steps {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
  padding-top: 60px;
}
.hiw-rail {
  position: absolute;
  top: 86px; left: 6%; right: 6%;
  height: 2px;
  background: rgba(11,11,20,0.08);
  border-radius: 999px;
  overflow: visible;
}
.hiw-rail-fill {
  position: absolute;
  top: 0; left: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--teal), #1cc5e8);
  border-radius: 999px;
  transition: width 1.4s cubic-bezier(0.5, 0.1, 0.2, 1);
}
.hiw-rail-pulse {
  position: absolute;
  top: 50%;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--teal);
  transform: translate(-50%, -50%);
  box-shadow: 0 0 0 6px rgba(13,167,202,0.18), 0 0 16px rgba(13,167,202,0.5);
  transition: left 1.4s cubic-bezier(0.5, 0.1, 0.2, 1);
  animation: pulse 1.8s ease-in-out infinite;
}

.hiw-step {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  cursor: pointer;
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s cubic-bezier(0.2,0.8,0.2,1), transform 0.6s cubic-bezier(0.2,0.8,0.2,1);
}
.hiw.is-in .hiw-step { opacity: 1; transform: translateY(0); }
.hiw.is-in .hiw-step:nth-child(2) { transition-delay: 0.12s; }
.hiw.is-in .hiw-step:nth-child(3) { transition-delay: 0.24s; }
.hiw.is-in .hiw-step:nth-child(4) { transition-delay: 0.36s; }

.hiw-step-marker {
  position: relative;
  width: 56px; height: 56px;
  display: grid; place-items: center;
  margin-bottom: 28px;
  background: #fff;
  border: 1px solid rgba(11,11,20,0.1);
  border-radius: 50%;
  transition: border-color 0.4s, box-shadow 0.4s, transform 0.4s;
  z-index: 2;
}
.hiw-step-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
  letter-spacing: 0.04em;
  transition: color 0.3s;
}
.hiw-step-ring {
  position: absolute; inset: -8px;
  border: 1px solid rgba(13,167,202,0.4);
  border-radius: 50%;
  opacity: 0;
  transform: scale(0.7);
  transition: opacity 0.4s, transform 0.4s;
}
.hiw-step-dot {
  position: absolute; inset: -3px;
  border-radius: 50%;
  border: 2px solid var(--teal);
  opacity: 0;
  transform: scale(0.7);
  transition: opacity 0.4s, transform 0.4s;
}
.hiw-step.is-active .hiw-step-marker {
  border-color: var(--teal);
  box-shadow: 0 12px 32px -10px rgba(13,167,202,0.45);
  transform: scale(1.05);
}
.hiw-step.is-active .hiw-step-num {
  color: var(--teal);
}
.hiw-step.is-active .hiw-step-ring {
  opacity: 1; transform: scale(1);
  animation: hiwRingPulse 2s ease-in-out infinite;
}
.hiw-step.is-active .hiw-step-dot {
  opacity: 1; transform: scale(1);
}
.hiw-step.is-past .hiw-step-marker {
  background: var(--teal);
  border-color: var(--teal);
}
.hiw-step.is-past .hiw-step-num { color: #fff; }

@keyframes hiwRingPulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.15); opacity: 0.4; }
}

.hiw-step-body { max-width: 340px; }
.hiw-step-label {
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 10px;
}
.hiw-step-title {
  font-family: 'Instrument Serif', serif;
  font-size: 28px;
  line-height: 1.15;
  font-weight: 400;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin: 0 0 14px;
}
.hiw-step-desc {
  font-size: 15px;
  line-height: 1.55;
  color: var(--muted);
  margin: 0 0 22px;
  text-wrap: pretty;
}
.hiw-step-meta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 500;
  color: var(--ink);
  background: rgba(255,255,255,0.7);
  border: 1px solid rgba(11,11,20,0.07);
  padding: 6px 12px;
  border-radius: 999px;
}
.hiw-step-meta svg { width: 13px; height: 13px; color: var(--teal); }

.hiw-footer {
  margin-top: 96px;
  padding-top: 36px;
  border-top: 1px solid rgba(11,11,20,0.07);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
  font-size: 13.5px;
  color: var(--muted);
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s 0.4s cubic-bezier(0.2,0.8,0.2,1), transform 0.7s 0.4s cubic-bezier(0.2,0.8,0.2,1);
}
.hiw.is-in .hiw-footer { opacity: 1; transform: translateY(0); }
.hiw-footer-stat b {
  font-family: 'Instrument Serif', serif;
  font-style: italic;
  font-weight: 400;
  font-size: 22px;
  color: var(--ink);
  margin-right: 6px;
}
.hiw-footer-divider {
  width: 1px; height: 18px;
  background: rgba(11,11,20,0.12);
}

@media (max-width: 920px) {
  .hiw { padding: 72px 24px 88px; }
  .hiw-steps { grid-template-columns: 1fr; gap: 40px; padding-top: 16px; }
  .hiw-rail { display: none; }
  .hiw-step-marker { margin-bottom: 18px; }
  .hiw-step-title { font-size: 24px; }
}

/* ==================== AUDIENCES (two cards) ==================== */
.aud {
  width: 100%;
  padding: 100px 48px 120px;
  position: relative;
  border-top: 1px solid rgba(11,11,20,0.06);
}
.aud-inner { max-width: 1240px; margin: 0 auto; }
.aud-header {
  max-width: 720px;
  margin-bottom: 64px;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s cubic-bezier(0.2,0.8,0.2,1), transform 0.7s cubic-bezier(0.2,0.8,0.2,1);
}
.aud.is-in .aud-header { opacity: 1; transform: translateY(0); }
.aud-eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  background: rgba(255,255,255,0.7);
  border: 1px solid var(--line);
  padding: 6px 16px;
  border-radius: 999px;
  font-size: 12.5px; font-weight: 600;
  color: var(--ink);
  margin-bottom: 24px;
}
.aud-eyebrow-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 0 4px rgba(13,167,202,0.18);
  animation: pulse 1.8s ease-in-out infinite;
}
.aud-title {
  font-family: 'Instrument Serif', serif;
  font-size: clamp(40px, 5vw, 60px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--ink);
  font-weight: 400;
  margin: 0;
}
.aud-title em { font-style: italic; color: var(--teal); }

.aud-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}
.aud-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 36px 36px 32px;
  border-radius: 22px;
  background: rgba(255,255,255,0.78);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(11,11,20,0.07);
  box-shadow: 0 1px 2px rgba(11,11,20,0.04), 0 30px 60px -28px rgba(11,11,20,0.18);
  overflow: hidden;
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s cubic-bezier(0.2,0.8,0.2,1), transform 0.7s cubic-bezier(0.2,0.8,0.2,1), box-shadow 0.4s, border-color 0.4s;
  transition-delay: calc(var(--idx) * 0.12s);
}
.aud.is-in .aud-card { opacity: 1; transform: translateY(0); }
.aud-card:hover {
  border-color: rgba(13,167,202,0.35);
  box-shadow: 0 1px 2px rgba(11,11,20,0.04), 0 36px 72px -28px rgba(13,167,202,0.32);
}
.aud-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--teal), #1cc5e8);
  opacity: 0.85;
}
.aud-card-providers::before {
  background: linear-gradient(90deg, #1cc5e8, var(--teal));
}

.aud-card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 28px;
}
.aud-card-eyebrow {
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--teal);
  padding-top: 8px;
}
.aud-card-visual {
  width: 64px; height: 64px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(13,167,202,0.12), rgba(13,167,202,0.04));
  border: 1px solid rgba(13,167,202,0.18);
  display: grid; place-items: center;
  color: var(--teal);
  flex-shrink: 0;
}
.aud-card-visual svg { width: 32px; height: 32px; }

.aud-card-title {
  font-family: 'Instrument Serif', serif;
  font-size: clamp(28px, 2.6vw, 34px);
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--ink);
  font-weight: 400;
  margin: 0 0 14px;
  text-wrap: pretty;
}
.aud-card-desc {
  font-size: 15px;
  line-height: 1.55;
  color: var(--muted);
  margin: 0 0 24px;
  text-wrap: pretty;
}
.aud-card-bullets {
  list-style: none;
  margin: 0 0 32px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.aud-card-bullets li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 14px;
  line-height: 1.4;
  color: var(--ink);
}
.aud-card-check {
  width: 20px; height: 20px;
  border-radius: 50%;
  background: linear-gradient(135deg, #0da7ca, #1cc5e8);
  display: grid; place-items: center;
  color: #fff;
  flex-shrink: 0;
  margin-top: 1px;
  box-shadow: 0 2px 6px rgba(13,167,202,0.35);
}
.aud-card-check svg { width: 11px; height: 11px; }

.aud-card-foot {
  margin-top: auto;
  padding-top: 24px;
  border-top: 1px solid rgba(11,11,20,0.07);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.aud-card-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--ink);
  color: #fff;
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: 0.005em;
  padding: 12px 20px;
  border-radius: 999px;
  text-decoration: none;
  transition: transform 0.3s, box-shadow 0.3s;
  box-shadow: 0 8px 20px -8px rgba(11,11,20,0.4);
}
.aud-card-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 24px -8px rgba(11,11,20,0.5);
}
.aud-card-cta svg { width: 13px; height: 13px; transition: transform 0.3s; }
.aud-card-cta:hover svg { transform: translateX(2px); }
.aud-card-stat {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  line-height: 1;
}
.aud-card-stat-num {
  font-family: 'Instrument Serif', serif;
  font-style: italic;
  font-size: 26px;
  font-weight: 400;
  color: var(--ink);
}
.aud-card-stat-lbl {
  font-size: 11px;
  color: var(--muted);
  margin-top: 4px;
  letter-spacing: 0.02em;
}

@media (max-width: 920px) {
  .aud { padding: 72px 24px 88px; }
  .aud-grid { grid-template-columns: 1fr; gap: 20px; }
  .aud-card { padding: 28px 24px 24px; }
}

/* ==================== FLOW MAP STAGE ==================== */
.stage-flow {
  position: relative;
  width: 100%;
  height: 640px;
  display: grid;
  place-items: center;
  perspective: 1400px;
}
.flow-canvas {
  position: relative;
  width: 600px;
  height: 600px;
  transform-style: preserve-3d;
  transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.flow-svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  overflow: visible;
}

/* Source + output node cards */
.flow-node {
  position: absolute;
  transform: translate(-50%, -50%);
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 18px 12px 12px;
  background: rgba(255,255,255,0.78);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(13,167,202,0.22);
  border-radius: 14px;
  box-shadow: 0 10px 32px -14px rgba(13,167,202,0.35), 0 1px 2px rgba(11,11,20,0.04);
  min-width: 168px;
  transition: box-shadow 0.3s, transform 0.3s, border-color 0.3s;
}
.flow-node.is-active {
  border-color: rgba(13,167,202,0.7);
  box-shadow: 0 14px 40px -10px rgba(13,167,202,0.5), 0 0 0 4px rgba(13,167,202,0.12);
  transform: translate(-50%, -50%) scale(1.04);
}
.flow-node-icon {
  width: 32px; height: 32px;
  display: grid; place-items: center;
  border-radius: 9px;
  background: linear-gradient(135deg, #0da7ca, #1cc5e8);
  color: #fff;
  flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(13,167,202,0.3);
}
.flow-node-icon svg { width: 16px; height: 16px; }
.flow-node-check {
  width: 22px; height: 22px;
  border-radius: 50%;
  background: linear-gradient(135deg, #0da7ca, #1cc5e8);
  display: grid; place-items: center;
  flex-shrink: 0;
  box-shadow: 0 3px 8px rgba(13,167,202,0.35);
}
.flow-node-check svg { width: 12px; height: 12px; }
.flow-node-body { display: flex; flex-direction: column; gap: 1px; }
.flow-node-label {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.15;
  letter-spacing: -0.005em;
}
.flow-node-sub {
  font-size: 11px;
  color: var(--muted);
  font-weight: 500;
  line-height: 1.2;
}

/* Hub */
.flow-hub {
  position: absolute;
  transform: translate(-50%, -50%);
  width: 120px;
  height: 120px;
  display: grid;
  place-items: center;
}
.flow-hub-rings {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.flow-hub-ring {
  position: absolute;
  inset: 50% 50% 50% 50%;
  border-radius: 50%;
  border: 1.5px solid rgba(13,167,202,0.45);
  translate: -50% -50%;
  transform-origin: center;
}
.flow-hub-ring.r1 { width: 56px; height: 56px; animation: hubRotate 16s linear infinite; }
.flow-hub-ring.r2 { width: 76px; height: 76px; animation: hubRotate 24s linear infinite reverse; opacity: 0.6; border-style: dashed; }
.flow-hub-ring.r3 { width: 100px; height: 100px; animation: hubRotate 36s linear infinite; opacity: 0.35; border-style: dotted; }
@keyframes hubRotate {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}
.flow-hub-core {
  position: relative;
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--ink);
  display: grid; place-items: center;
  box-shadow:
    0 12px 30px -8px rgba(11,11,20,0.55),
    0 0 0 1px rgba(255,255,255,0.06) inset,
    0 0 24px rgba(229,68,109,0.45);
  z-index: 2;
  animation: hubBeat 1.6s ease-in-out infinite;
}
.flow-hub-core svg { width: 26px; height: 26px; }
@keyframes hubBeat {
  0%, 100% { transform: scale(1); box-shadow: 0 12px 30px -8px rgba(11,11,20,0.55), 0 0 0 1px rgba(255,255,255,0.06) inset, 0 0 22px rgba(229,68,109,0.4); }
  20%      { transform: scale(1.06); box-shadow: 0 12px 30px -8px rgba(11,11,20,0.55), 0 0 0 1px rgba(255,255,255,0.06) inset, 0 0 32px rgba(229,68,109,0.7); }
  40%      { transform: scale(1); }
  55%      { transform: scale(1.04); }
  70%      { transform: scale(1); }
}
.flow-hub.is-pinging .flow-hub-ring.r1 { border-color: rgba(13,167,202,0.85); }
.flow-hub.is-pinging .flow-hub-ring.r2 { border-color: rgba(13,167,202,0.6); }
.flow-hub-label {
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  white-space: nowrap;
}

/* Match toast — anchored to the stage, sits below the footer line */
.flow-toast {
  position: absolute;
  bottom: -56px; right: 0;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: var(--ink);
  border-radius: 12px;
  box-shadow: 0 14px 32px -10px rgba(11,11,20,0.4);
  color: #fff;
  z-index: 10;
}
.flow-toast-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 0 3px rgba(13,167,202,0.25);
  animation: pulse 1.5s ease-in-out infinite;
}
.flow-toast-title {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.6);
}
.flow-toast-sub {
  font-size: 12.5px;
  font-weight: 600;
  color: #fff;
  margin-top: 1px;
}

/* Footer */
.flow-footer {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 640px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 16px;
  align-items: center;
  font-size: 12px;
  color: var(--muted);
  pointer-events: none;
}
.flow-footer-pulse {
  width: 100%;
  height: 32px;
}

/* Floats need different anchor positions in the flow stage to avoid overlapping nodes */
.stage-flow .float.f1 { top: -2%; left: -8%; }
.stage-flow .float.f2 { top: 4%; right: -10%; }
.stage-flow .float.f5 { bottom: 12%; left: -8%; }


@media (max-width: 1100px) {
  .nav { padding: 18px 28px; }
  .nav-links { display: none; }
  .hero { grid-template-columns: 1fr; padding: 24px 28px 60px; gap: 60px; }
  .stage { height: 540px; }
  .net-frame { width: 100%; max-width: 560px; }
}

/* ==================== MOBILE / PHONE ==================== */
@media (max-width: 720px) {
  .nav { padding: 14px 18px; gap: 12px; }
  .nav-logo-img { height: 26px; }
  .nav-cta { display: flex; align-items: center; gap: 8px; }
  .nav-cta .btn { padding: 8px 14px; font-size: 13px; }

  .hero { padding: 8px 18px 48px; gap: 32px; min-height: 0; }
  .hero-left { padding-right: 0; }
  .headline { font-size: clamp(36px, 9vw, 52px); margin-bottom: 18px; }
  .subhead { font-size: 16px; margin-bottom: 28px; }
  .cta-row { flex-wrap: wrap; gap: 10px; }
  .cta-row .btn { width: 100%; justify-content: center; }
  .trust { gap: 16px 20px; padding-top: 22px; }
  .trust-divider { display: none; }

  /* Heart / sphere stage — was overflowing on phones */
  .stage { height: 380px; overflow: hidden; }
  .heart-canvas { width: 100%; max-width: 360px; height: 360px; }
  .heart-glow { width: 320px; height: 320px; }
  .heart-glow.heart-glow-2 { width: 260px; height: 260px; }
  .sphere3d-scene { width: 280px; height: 280px; }

  /* Section paddings */
  .hiw { padding: 56px 20px 64px; }
  .aud { padding: 56px 20px 72px; }
}

@media (max-width: 420px) {
  .nav-cta .btn-ghost-pill { display: none; }
  .stage { height: 320px; }
  .heart-canvas { max-width: 300px; height: 300px; }
  .sphere3d-scene { width: 240px; height: 240px; }
}