:root {
  --bg: #f7faf8;
  --bg-deep: #edf4f0;
  --ink: #13201a;
  --ink-soft: rgba(19, 32, 26, 0.72);
  --ink-muted: rgba(19, 32, 26, 0.46);
  --line: rgba(19, 32, 26, 0.07);
  --line-strong: rgba(19, 32, 26, 0.12);
  --surface: rgba(255, 255, 255, 0.82);
  --surface-strong: rgba(255, 255, 255, 0.94);
  --surface-tint: rgba(244, 252, 248, 0.72);
  --teal: #34a892;
  --teal-soft: #b9e8dd;
  --teal-deep: #217c6d;
  --shadow-soft: 0 12px 34px rgba(19, 32, 26, 0.07);
  --shadow-panel: 0 24px 70px rgba(19, 32, 26, 0.11);
  --radius-sm: 12px;
  --radius-md: 18px;
  --radius-lg: 26px;
  --radius-xl: 36px;
  --radius-pill: 999px;
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Inter", "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
html.body-menu-open,
html.body-menu-open body { overflow: hidden; }
body {
  font-family: var(--font);
  color: var(--ink);
  background:
    radial-gradient(940px 520px at 15% -10%, rgba(185, 232, 221, 0.42), transparent 58%),
    radial-gradient(720px 420px at 88% 6%, rgba(255, 255, 255, 0.98), transparent 48%),
    linear-gradient(180deg, #fcfefd 0%, var(--bg) 56%, var(--bg-deep) 100%);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input { font: inherit; }

:focus-visible {
  outline: 3px solid rgba(33, 124, 109, 0.55);
  outline-offset: 3px;
}

summary:focus-visible {
  outline-offset: 6px;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 0;
  padding: 10px 14px;
  background: var(--ink);
  color: white;
  border-radius: 0 0 10px 0;
  z-index: 9999;
}
.skip-link:focus { top: 0; }

.container {
  width: min(1120px, calc(100% - 2.5rem));
  margin: 0 auto;
}

.pill,
.section-eyebrow,
.subpage-card-label,
.page-placeholder-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  border-radius: var(--radius-pill);
  padding: 0.38rem 0.72rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.88);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

.headline-hero {
  margin: 1rem 0 1rem;
  font-size: clamp(2.5rem, 8.8vw, 6rem);
  line-height: 0.95;
  letter-spacing: -0.05em;
  font-weight: 700;
}

.headline-section {
  margin: 0.7rem 0 0;
  font-size: clamp(2rem, 5.2vw, 3.9rem);
  line-height: 1.02;
  letter-spacing: -0.04em;
  font-weight: 650;
}

.headline-card {
  margin: 0;
  font-size: 1.35rem;
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.text-gradient {
  background: linear-gradient(135deg, #203129 0%, var(--teal-deep) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: var(--radius-pill);
  padding: 0.78rem 1.35rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.22s ease, background 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}

.btn-lg {
  padding: 0.98rem 1.55rem;
  font-size: 0.99rem;
}

.btn-primary {
  color: white;
  background: linear-gradient(180deg, #2b8577 0%, #217c6d 100%);
  box-shadow: 0 12px 24px rgba(33, 124, 109, 0.18);
}

.btn-primary:hover { transform: translateY(-1px); }

.btn-secondary {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.62);
  border: 1px solid rgba(15, 23, 32, 0.08);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.75);
}

.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 1200;
  padding: 0.9rem 0;
  transition: all 0.28s ease;
}

.nav.scrolled {
  background: rgba(248, 250, 252, 0.78);
  backdrop-filter: blur(18px) saturate(140%);
  border-bottom: 1px solid rgba(15, 23, 32, 0.06);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.nav-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 650;
  letter-spacing: -0.01em;
}

.nav-logo-img {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  box-shadow: 0 6px 12px rgba(15, 23, 32, 0.08);
}

.nav-links {
  list-style: none;
  display: none;
  align-items: center;
  gap: 1.4rem;
  padding: 0;
  margin: 0;
}

@media (min-width: 860px) {
  .nav-links { display: flex; }
}

.nav-link {
  color: var(--ink-soft);
  font-size: 0.93rem;
  transition: color 0.2s ease;
}
.nav-link:hover { color: var(--ink); }

.nav-cta { display: none; }
@media (min-width: 860px) { .nav-cta { display: inline-flex; } }

.nav-mobile-toggle {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 0.5rem;
  border: 0;
  border-radius: 12px;
  background: transparent;
}

.nav-mobile-toggle span {
  width: 22px;
  height: 2px;
  background: var(--ink);
}

@media (min-width: 860px) {
  .nav-mobile-toggle { display: none; }
}

.mobile-menu {
  position: fixed;
  top: 58px;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1000;
  background: rgba(248, 250, 252, 0.94);
  backdrop-filter: blur(18px);
  transform: translateX(102%);
  transition: transform 0.28s ease, visibility 0.28s ease;
  padding: 1.25rem;
  visibility: hidden;
  pointer-events: none;
}
.mobile-menu.active {
  transform: translateX(0);
  visibility: visible;
  pointer-events: auto;
}

.mobile-menu-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.75rem;
}

.mobile-menu-link {
  display: block;
  padding: 0.8rem 0;
  border-bottom: 1px solid rgba(15, 23, 32, 0.08);
  font-size: 1.02rem;
}

.mobile-menu-cta { margin-top: 1rem; }

.waitlist-hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.hero {
  position: relative;
  min-height: 100vh;
  padding: clamp(6.4rem, 9vw, 8rem) 0 4rem;
  display: grid;
  align-items: center;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(50px);
  pointer-events: none;
  opacity: 0.65;
}

.orb-1 {
  width: 420px;
  height: 420px;
  top: 70px;
  left: -140px;
  background: rgba(185, 232, 221, 0.42);
}

.orb-2 {
  width: 480px;
  height: 480px;
  top: 80px;
  right: -190px;
  background: rgba(234, 248, 243, 0.9);
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: center;
}

@media (min-width: 1020px) {
  .hero-grid { grid-template-columns: 1.02fr 0.98fr; gap: 4rem; }
  .hero-proof-band { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

.hero-copy {
  max-width: 640px;
}

.hero-subtitle {
  margin: 0 0 1.6rem;
  font-size: clamp(1.05rem, 2.1vw, 1.32rem);
  color: var(--ink-soft);
  max-width: 590px;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.1rem;
}

.hero-meta span {
  font-size: 0.82rem;
  color: var(--ink-muted);
  padding: 0.34rem 0.62rem;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.44);
  border: 1px solid rgba(15, 23, 32, 0.05);
}

.hero-device {
  justify-self: center;
}

.hero-proof-band {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.85rem;
  margin-top: 2.35rem;
  position: relative;
  z-index: 1;
}

.hero-proof-card {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  padding: 1.05rem 1.18rem;
  border-radius: 20px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.84) 0%, rgba(255, 255, 255, 0.66) 100%);
  border: 1px solid rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow-soft), inset 0 1px 0 rgba(255, 255, 255, 0.74);
}

.hero-proof-number {
  font-size: clamp(1.7rem, 3vw, 2.35rem);
  line-height: 1;
  letter-spacing: -0.05em;
  font-weight: 650;
}

.hero-proof-label {
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.device-shell {
  width: min(344px, 88vw);
  padding: 12px;
  border-radius: 40px;
  background: linear-gradient(180deg, #fdfefe 0%, #eef3f6 100%);
  border: 1px solid rgba(255, 255, 255, 0.95);
  box-shadow: 0 40px 90px rgba(15, 23, 32, 0.16);
}

.device-notch {
  width: 106px;
  height: 24px;
  margin: 0 auto;
  border-radius: 0 0 14px 14px;
  background: #121212;
}

.device-screen {
  margin-top: 8px;
  min-height: 460px;
  padding: 1rem;
  border-radius: 30px;
  background: linear-gradient(180deg, #fbfefd 0%, #eef8f4 100%);
  color: var(--ink);
}

.device-topline {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.9rem;
}

.device-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.34rem 0.62rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(15, 23, 32, 0.06);
  color: var(--ink-soft);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.device-chip-strong {
  color: var(--teal-deep);
}

.device-age-panel {
  display: grid;
  grid-template-columns: 108px minmax(0, 1fr);
  gap: 0.95rem;
  align-items: center;
  margin-bottom: 0.95rem;
  padding: 0.95rem;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.74);
  border: 1px solid rgba(15, 23, 32, 0.05);
}

.device-age-ring-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
}

.device-age-ring {
  width: 92px;
  height: 92px;
  padding: 9px;
  border-radius: 50%;
  background: conic-gradient(from 210deg, #34a892 0deg, #7dd7c3 210deg, rgba(19, 32, 26, 0.09) 210deg, rgba(19, 32, 26, 0.09) 360deg);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.5);
}

.device-age-ring-center {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: linear-gradient(180deg, rgba(255,255,255,0.96) 0%, rgba(248,253,250,0.94) 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.device-age-label {
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-muted);
}

.device-age-ring-center strong {
  margin-top: 0.12rem;
  font-size: 1.2rem;
  letter-spacing: -0.05em;
}

.device-age-copy h3 {
  margin: 0;
  font-size: 1.04rem;
  letter-spacing: -0.03em;
}

.device-card {
  padding: 1rem;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(33, 124, 109, 0.06);
  box-shadow: 0 18px 34px rgba(19, 32, 26, 0.07);
}

.device-label {
  margin: 0 0 0.2rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--teal-deep);
}

.device-card h3 {
  margin: 0;
  font-size: 1.02rem;
  letter-spacing: -0.02em;
}

.device-value {
  margin: 0.48rem 0;
  font-size: 1.76rem;
  letter-spacing: -0.04em;
  font-weight: 650;
}

.device-bar {
  height: 8px;
  border-radius: 999px;
  overflow: hidden;
  background: rgba(15, 23, 32, 0.08);
}
.device-bar span {
  display: block;
  width: 76%;
  height: 100%;
  background: linear-gradient(90deg, var(--teal-soft) 0%, var(--teal) 100%);
}

.device-note {
  margin: 0.56rem 0 0;
  font-size: 0.8rem;
  color: var(--ink-muted);
}

.device-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 0.72rem;
  padding: 0.78rem 0.88rem;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.65);
  border: 1px solid rgba(15, 23, 32, 0.05);
}
.device-row span { color: var(--ink-soft); }
.device-row strong { color: var(--ink); font-weight: 600; }

.features,
.subpages-overview,
.waitlist-section {
  position: relative;
  padding: 5rem 0;
}

.section-intro,
.section-difference,
.section-integrations,
.section-beta-benefits,
.section-waitlist,
.section-faq {
  background:
    radial-gradient(540px 220px at 100% 0%, rgba(52, 168, 146, 0.08), transparent 64%),
    linear-gradient(180deg, rgba(255,255,255,0.04) 0%, rgba(255,255,255,0) 100%);
}

.section-pillars,
.section-onboarding {
  background:
    radial-gradient(380px 180px at 0% 100%, rgba(185, 232, 221, 0.14), transparent 66%);
}

.section-audience .audience-panel {
  background:
    radial-gradient(360px 180px at 100% 0%, rgba(255, 255, 255, 0.18), transparent 60%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.88) 0%, rgba(255, 255, 255, 0.72) 100%);
}

.subpages-overview-editorial {
  padding-top: 2rem;
  padding-bottom: 2.5rem;
}

.editorial-panel {
  overflow: hidden;
  background:
    radial-gradient(440px 180px at 100% 0%, rgba(52, 168, 146, 0.12), transparent 62%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.9) 0%, rgba(255, 255, 255, 0.72) 100%);
}

.editorial-copy {
  max-width: 820px;
}

.editorial-headline {
  margin-bottom: 0.85rem;
  font-size: clamp(1.45rem, 3vw, 2.1rem);
  line-height: 1.08;
}

.section-heading {
  position: relative;
  max-width: 760px;
  padding-top: 0.2rem;
}

.section-heading-wide {
  max-width: 860px;
}

.section-heading::before {
  content: "";
  display: block;
  width: 72px;
  height: 1px;
  margin-bottom: 0.95rem;
  background: linear-gradient(90deg, rgba(52, 168, 146, 0.75) 0%, rgba(52, 168, 146, 0.12) 100%);
}
.section-heading p,
.page-hero p,
.waitlist-copy p,
.feature-card p,
.subpage-card p,
.page-card p,
.page-placeholder p {
  color: var(--ink-soft);
}

.feature-grid,
.subpage-cards-grid,
.page-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.1rem;
  margin-top: 1.8rem;
}

@media (min-width: 860px) {
  .feature-grid,
  .subpage-cards-grid,
  .page-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .feature-grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .page-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .science-signal-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .science-layout { grid-template-columns: minmax(0, 1.65fr) minmax(280px, 0.95fr); align-items: start; }
  .section-intro,
  .subpages-overview,
  .waitlist-section { padding: 5.8rem 0; }
  .subpages-overview-editorial { padding-top: 2.3rem; padding-bottom: 2.9rem; }
  .subpage-cards-grid .subpage-card:nth-child(2),
  .subpage-cards-grid .subpage-card:nth-child(5) { transform: translateY(18px); }
}

.feature-card,
.subpage-card,
.page-card,
.waitlist-panel,
.page-frame {
  position: relative;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.82) 0%, rgba(255, 255, 255, 0.62) 100%);
  border: 1px solid rgba(255, 255, 255, 0.88);
  box-shadow: var(--shadow-soft), inset 0 1px 0 rgba(255, 255, 255, 0.7);
  border-radius: var(--radius-lg);
}

.feature-card,
.subpage-card,
.page-card {
  padding: 1.45rem;
}

.subpage-card,
.page-card,
.feature-card {
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}

.feature-card::before,
.subpage-card::before,
.page-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 1px;
  border-radius: inherit;
  background: linear-gradient(90deg, rgba(52, 168, 146, 0) 0%, rgba(52, 168, 146, 0.55) 50%, rgba(52, 168, 146, 0) 100%);
  opacity: 0.55;
}
.subpage-card:hover,
.page-card:hover,
.feature-card:hover {
  transform: translateY(-3px);
  border-color: rgba(52, 168, 146, 0.14);
  box-shadow: 0 20px 48px rgba(15, 23, 32, 0.1);
}

.feature-card h3,
.subpage-card h3,
.page-card h3 {
  margin: 0 0 0.45rem;
  font-size: 1.15rem;
  letter-spacing: -0.03em;
}

.beta-steps-panel {
  margin-top: 1.4rem;
}

.beta-steps-copy {
  max-width: none;
}

.beta-steps-list {
  display: grid;
  gap: 0.85rem;
  margin-top: 1rem;
}

.beta-step-item {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.95rem 1rem;
  border-radius: calc(var(--radius-lg) - 8px);
  background: rgba(255, 255, 255, 0.68);
  border: 1px solid rgba(15, 23, 32, 0.06);
}

.beta-step-item strong {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: 999px;
  background: rgba(52, 168, 146, 0.12);
  color: var(--teal-deep);
  font-size: 0.95rem;
}

.beta-step-item span {
  color: var(--ink-soft);
  font-weight: 500;
}

.waitlist-panel {
  display: grid;
  gap: 1rem;
  padding: 1.6rem;
  background:
    radial-gradient(360px 160px at 100% 0%, rgba(52, 168, 146, 0.1), transparent 64%),
    linear-gradient(180deg, rgba(255,255,255,0.9) 0%, rgba(255,255,255,0.72) 100%);
}

@media (min-width: 900px) {
  .waitlist-panel {
    grid-template-columns: 1.08fr 1fr;
    align-items: center;
    padding: 1.8rem;
  }
}

.waitlist-perks {
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.6rem;
}

.waitlist-perks li {
  position: relative;
  padding-left: 1.35rem;
  color: var(--ink-soft);
}

.waitlist-perks li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.48rem;
  width: 0.52rem;
  height: 0.52rem;
  border-radius: 999px;
  background: linear-gradient(180deg, var(--teal) 0%, var(--teal-deep) 100%);
  box-shadow: 0 0 0 4px rgba(52, 168, 146, 0.12);
}

.waitlist-form {
  display: grid;
  gap: 0.8rem;
}

.waitlist-input {
  width: 100%;
  padding: 0.95rem 1rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(15, 23, 32, 0.08);
  background: rgba(255, 255, 255, 0.78);
  color: var(--ink);
  outline: none;
}

.waitlist-input::placeholder { color: var(--ink-muted); }
.waitlist-input:focus {
  border-color: rgba(15, 148, 137, 0.32);
  box-shadow: 0 0 0 4px rgba(15, 148, 137, 0.08);
}

.waitlist-note {
  margin: 0;
  font-size: 0.88rem;
  color: var(--ink-muted);
}

.waitlist-status {
  min-height: 1.2rem;
  font-size: 0.9rem;
  color: var(--ink-soft);
}
.waitlist-status.success { color: var(--teal-deep); }
.waitlist-status.error { color: #b44a4a; }

.page-shell {
  min-height: 100vh;
  padding: 6.8rem 0 3.4rem;
}

.page-hero {
  max-width: 760px;
  margin-bottom: 1.2rem;
}

.page-frame {
  max-width: 980px;
  margin-top: 1rem;
  padding: 1.55rem;
}

.page-frame-minimal {
  min-height: 320px;
  display: grid;
  place-items: center;
  text-align: center;
}

.page-placeholder {
  max-width: 620px;
}

.legal-card {
  max-width: 900px;
  min-height: 0;
  display: block;
  text-align: left;
}

.legal-meta {
  margin: 0.35rem 0 0;
  color: var(--ink-muted);
  font-size: 0.95rem;
}

.legal-copy {
  max-width: 760px;
}

.legal-copy > p:first-child {
  margin-top: 0;
}

.legal-copy p {
  color: var(--ink-soft);
  line-height: 1.72;
}

.legal-section + .legal-section {
  margin-top: 1.5rem;
}

.legal-section h2 {
  margin-bottom: 0.6rem;
}

.fallback-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.35rem;
}

.fallback-status {
  min-height: 1.35rem;
  margin: 0.9rem 0 0;
  color: var(--ink-soft);
}

.fallback-detail-list {
  display: grid;
  gap: 0.85rem;
  margin-top: 1.05rem;
}

.fallback-detail-item {
  padding: 1rem 1.05rem;
  border-radius: calc(var(--radius-lg) - 8px);
  background: rgba(255, 255, 255, 0.66);
  border: 1px solid rgba(15, 23, 32, 0.06);
}

.fallback-detail-item strong {
  display: block;
  margin-bottom: 0.2rem;
  letter-spacing: -0.01em;
}

.fallback-path {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.9rem;
  padding: 0.55rem 0.85rem;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(15, 23, 32, 0.08);
  color: var(--ink-soft);
  font-size: 0.9rem;
}

.fallback-code {
  margin-top: 1rem;
  padding: 0.95rem 1rem;
  border-radius: calc(var(--radius-lg) - 8px);
  background: rgba(19, 32, 26, 0.92);
  color: rgba(255, 255, 255, 0.92);
  font-size: 0.94rem;
  overflow-x: auto;
}

.fallback-code code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

.fallback-meta-note {
  margin-top: 0.95rem;
  color: var(--ink-muted);
  font-size: 0.92rem;
}

.legal-list {
  margin: 0.5rem 0 0;
  padding-left: 1.2rem;
  color: var(--ink-soft);
  line-height: 1.72;
}

.legal-list li + li {
  margin-top: 0.3rem;
}

.faq-list {
  display: grid;
  gap: 0.85rem;
}

.faq-item {
  padding: 0.2rem 1rem 0.95rem;
  border-radius: calc(var(--radius-lg) - 6px);
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(15, 23, 32, 0.07);
  box-shadow: var(--shadow-soft);
}

.faq-item summary {
  cursor: pointer;
  list-style: none;
  padding: 1rem 2rem 0.15rem 0;
  font-weight: 600;
  letter-spacing: -0.02em;
  position: relative;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: '+';
  position: absolute;
  right: 0;
  top: 0.9rem;
  font-size: 1.2rem;
  color: var(--teal-deep);
}

.faq-item[open] summary::after {
  content: '–';
}

.faq-item p {
  margin: 0.35rem 0 0;
  color: var(--ink-soft);
}

.science-hero {
  max-width: 840px;
}

.science-summary-grid {
  margin-bottom: 1.1rem;
}

.science-card-label,
.science-kicker {
  display: inline-block;
  margin-bottom: 0.65rem;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--teal-deep);
  font-weight: 650;
}

.science-frame {
  padding: 1.5rem;
}

.science-layout {
  display: grid;
  gap: 1rem;
}

.science-prose {
  max-width: 760px;
}

.science-prose p {
  color: var(--ink-soft);
  line-height: 1.8;
}

.science-aside {
  display: grid;
  gap: 0.9rem;
}

.science-callout {
  padding: 1.15rem;
  border-radius: calc(var(--radius-lg) - 6px);
  background: rgba(255, 255, 255, 0.6);
  border: 1px solid rgba(15, 23, 32, 0.06);
}

.science-callout-soft {
  background: linear-gradient(180deg, rgba(15, 148, 137, 0.08) 0%, rgba(158, 133, 235, 0.08) 100%);
}

.science-callout h3 {
  margin: 0 0 0.55rem;
  font-size: 1.05rem;
  letter-spacing: -0.03em;
}

.science-callout p {
  margin: 0;
  color: var(--ink-soft);
}

.science-points {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--ink-soft);
  line-height: 1.72;
}

.science-points li + li {
  margin-top: 0.35rem;
}

.science-signals {
  padding: 1.25rem 0 0.5rem;
}

.science-signal-grid {
  display: grid;
  gap: 1rem;
  margin-top: 1.4rem;
}

.science-signal-card {
  padding: 1.2rem;
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.82) 0%, rgba(255, 255, 255, 0.66) 100%);
  border: 1px solid rgba(255, 255, 255, 0.88);
  box-shadow: var(--shadow-soft), inset 0 1px 0 rgba(255, 255, 255, 0.7);
}

.science-signal-card h3 {
  margin: 0 0 0.4rem;
  font-size: 1.06rem;
  letter-spacing: -0.03em;
}

.science-signal-card p,
.science-note p,
.science-reference-list li {
  color: var(--ink-soft);
  line-height: 1.75;
}

.science-note-frame {
  margin-top: 1.5rem;
}

.science-note {
  max-width: 760px;
}

.science-references-copy {
  max-width: 860px;
}

.science-reference-list {
  margin: 1rem 0 0;
  padding-left: 1.25rem;
}

.science-reference-list li + li {
  margin-top: 0.95rem;
}

.science-reference-list a {
  display: inline-block;
  margin-top: 0.25rem;
}

.integration-strip {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
  margin-top: 1.4rem;
}

.integration-logo,
.onboarding-step {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 62px;
  padding: 0.9rem 1rem;
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.84) 0%, rgba(255, 255, 255, 0.66) 100%);
  border: 1px solid rgba(255, 255, 255, 0.88);
  box-shadow: var(--shadow-soft), inset 0 1px 0 rgba(255, 255, 255, 0.7);
  text-align: center;
}

.integration-logo {
  overflow: hidden;
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease, background 0.22s ease;
}

.integration-logo:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 40px rgba(15, 23, 32, 0.08);
  border-color: rgba(15, 23, 32, 0.08);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.94) 0%, rgba(255, 255, 255, 0.78) 100%);
}

.integration-logo img {
  display: block;
  margin: 0 auto;
  max-width: 120px;
  max-height: 24px;
  width: auto;
  height: auto;
  opacity: 0.62;
  filter: grayscale(1) saturate(0) brightness(0.72) contrast(1);
  transform-origin: center center;
  transition: opacity 0.22s ease, filter 0.22s ease, transform 0.22s ease;
}

.integration-logo:hover img {
  opacity: 1;
  filter: grayscale(0) saturate(1) brightness(1) contrast(1);
  transform: translateY(-0.5px);
}

.integration-apple-health-lockup {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.42rem;
  transform: translateX(2px);
}

.integration-apple-health-icon {
  margin: 0;
  width: 14px;
  height: 14px;
  max-width: 14px;
  max-height: 14px;
}

.integration-apple-health-text {
  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', Inter, sans-serif;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: rgba(19, 32, 26, 0.56);
  transition: color 0.22s ease, transform 0.22s ease;
}

.integration-logo-apple-health:hover .integration-apple-health-text {
  color: #111111;
  transform: translateY(-0.5px);
}

.integration-logo-oura img { max-width: 90px; transform: translateX(6px); }
.integration-logo-whoop img { max-width: 96px; }
.integration-logo-garmin img { max-width: 90px; transform: translateX(6px); }
.integration-logo-fitbit img { max-width: 30px; max-height: 20px; }
.integration-logo-polar img { max-width: 84px; }
.integration-logo-strava img { max-width: 26px; max-height: 20px; }
.integration-logo-withings img { max-width: 112px; }

.integration-hint {
  margin: 0.8rem 0 0;
  text-align: center;
  color: var(--ink-muted);
  font-size: 0.88rem;
}

.onboarding-step {
  color: var(--ink-soft);
  font-weight: 600;
  letter-spacing: -0.01em;
}

.onboarding-flow {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
  margin-top: 1.35rem;
}

.footer {
  padding: 2.7rem 0 1.2rem;
  background: rgba(255, 255, 255, 0.22);
  border-top: 1px solid rgba(255, 255, 255, 0.7);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.2rem;
}

@media (min-width: 860px) {
  .footer-inner { grid-template-columns: 1.7fr 1fr 1fr; }
}

.footer-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 650;
  letter-spacing: -0.02em;
}
.footer-logo img {
  width: 34px;
  height: 34px;
  border-radius: 11px;
}

.footer-tagline,
.footer-copyright {
  color: var(--ink-muted);
  font-size: 0.9rem;
}

.footer-column h3 {
  margin: 0 0 0.62rem;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.45rem;
}

.footer-link {
  color: var(--ink-soft);
  font-size: 0.94rem;
}
.footer-link:hover { color: var(--ink); }

.footer-bottom {
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(15, 23, 32, 0.06);
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

@media (min-width: 760px) {
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }

  .integration-strip {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .onboarding-flow {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
}

.fade-in {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}
.fade-in-delay-1 { transition-delay: 0.08s; }
.fade-in-delay-2 { transition-delay: 0.16s; }
.fade-in-delay-3 { transition-delay: 0.24s; }

@media (max-width: 640px) {
  .container {
    width: min(100%, calc(100% - 1.3rem));
  }

  .orb {
    display: none;
  }

  .fade-in {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .hero {
    padding: 5.8rem 0 3rem;
  }

  .hero-grid {
    gap: 1.55rem;
  }

  .hero-copy,
  .page-hero,
  .section-heading {
    text-align: center;
  }

  .hero-subtitle,
  .page-hero p,
  .section-heading p {
    margin-left: auto;
    margin-right: auto;
    max-width: none;
  }

  .hero-ctas {
    display: grid;
    grid-template-columns: 1fr;
    width: 100%;
  }

  .hero-ctas .btn,
  .waitlist-form .btn {
    width: 100%;
  }

  .hero-meta {
    justify-content: center;
  }

  .device-shell {
    width: min(100%, 318px);
  }

  .device-screen {
    min-height: 405px;
  }

  .device-shell {
    box-shadow: 0 18px 36px rgba(19, 32, 26, 0.12);
  }

  .features,
  .subpages-overview,
  .waitlist-section {
    padding: 3.2rem 0;
  }

  .feature-grid,
  .subpage-cards-grid,
  .page-grid {
    gap: 0.85rem;
  }

  .feature-card,
  .subpage-card,
  .page-card,
  .waitlist-panel,
  .page-frame {
    padding: 1rem;
    box-shadow: 0 10px 24px rgba(19, 32, 26, 0.05);
  }

  .footer {
    padding-top: 2rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .fade-in {
    opacity: 1;
    transform: none;
  }
}