:root {
  --wca-dark-bg: #0C1117;
  --wca-dark-alt-bg: #111820;
  --wca-light-bg: #F7F5F2;
  --wca-light-alt-bg: #EDF0EC;
  --wca-white-bg: #FFFFFF;
  --wca-on-dark-primary: #E8EBE9;
  --wca-on-dark-muted: #8FA49C;
  --wca-on-dark-accent: #2BBFA4;
  --wca-bio-teal: #2BBFA4;
  --wca-bio-teal-dark: #0F5C4E;
  --wca-warm-coral: #C4695A;
  --wca-signal-amber: #D4A04A;
  --wca-on-light-primary: #1A1F1D;
  --wca-on-light-muted: #4A5550;
  --wca-on-light-accent: #0F5C4E;
  --wca-nav-h: 68px;
  --wca-container: 1200px;
  --wca-reading: 68ch;
  --wca-section-py: clamp(4rem, 8vw, 7rem);
  --wca-radius: 8px;
  --wca-radius-lg: 16px;
  --wca-transition: 220ms ease;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  background: var(--wca-dark-bg);
  color: var(--wca-on-dark-primary);
  font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  font-size: 1rem;
  line-height: 1.65;
  min-height: 100vh;
}

body.wca-page--dark-top {
  background: var(--wca-dark-bg);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

ul,
ol {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

input,
textarea,
select {
  font-family: inherit;
}

.wca-container {
  max-width: var(--wca-container);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2rem);
}

.wca-prose {
  max-width: var(--wca-reading);
  margin-inline: auto;
}

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

.wca-bg--dark {
  background: var(--wca-dark-bg);
  color: var(--wca-on-dark-primary);
}

.wca-bg--dark-alt {
  background: var(--wca-dark-alt-bg);
  color: var(--wca-on-dark-primary);
}

.wca-bg--light {
  background: var(--wca-light-bg);
  color: var(--wca-on-light-primary);
}

.wca-bg--light-alt {
  background: var(--wca-light-alt-bg);
  color: var(--wca-on-light-primary);
}

.wca-bg--white {
  background: var(--wca-white-bg);
  color: var(--wca-on-light-primary);
}

.wca-eyebrow {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.6875rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--wca-bio-teal);
  display: block;
  margin-bottom: 0.75rem;
}

.wca-bg--light .wca-eyebrow,
.wca-bg--light-alt .wca-eyebrow,
.wca-bg--white .wca-eyebrow {
  color: var(--wca-on-light-accent);
}

.wca-h1 {
  font-family: 'Newsreader', Georgia, serif;
  font-weight: 300;
  font-style: italic;
  font-size: clamp(2.25rem, 5vw, 3.75rem);
  line-height: 1.1;
  letter-spacing: -0.01em;
}

.wca-h2 {
  font-family: 'Newsreader', Georgia, serif;
  font-weight: 700;
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
  line-height: 1.15;
  letter-spacing: -0.01em;
}

.wca-h3 {
  font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
  font-weight: 600;
  font-size: clamp(1.125rem, 2vw, 1.375rem);
  line-height: 1.3;
}

.wca-h4 {
  font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
  font-weight: 600;
  font-size: 1rem;
  line-height: 1.4;
}

.wca-lead {
  font-size: clamp(1rem, 1.5vw, 1.1875rem);
  line-height: 1.65;
  color: var(--wca-on-dark-muted);
}

.wca-bg--light .wca-lead,
.wca-bg--light-alt .wca-lead,
.wca-bg--white .wca-lead {
  color: var(--wca-on-light-muted);
}

.wca-muted {
  color: var(--wca-on-dark-muted);
}

.wca-bg--light .wca-muted,
.wca-bg--light-alt .wca-muted,
.wca-bg--white .wca-muted {
  color: var(--wca-on-light-muted);
}

.wca-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6875rem 1.5rem;
  border-radius: var(--wca-radius);
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1;
  transition: background var(--wca-transition), color var(--wca-transition), border-color var(--wca-transition), box-shadow var(--wca-transition);
  cursor: pointer;
  white-space: nowrap;
}

.wca-btn--primary {
  background: var(--wca-bio-teal);
  color: #0C1117;
  border: 2px solid var(--wca-bio-teal);
}

.wca-btn--primary:hover {
  background: #24a98f;
  border-color: #24a98f;
}

.wca-btn--ghost-on-dark {
  background: transparent;
  color: var(--wca-on-dark-primary);
  border: 2px solid rgba(232, 235, 233, 0.35);
}

.wca-btn--ghost-on-dark:hover {
  border-color: var(--wca-on-dark-primary);
  background: rgba(232, 235, 233, 0.05);
}

.wca-btn--ghost-on-light {
  background: transparent;
  color: var(--wca-on-light-primary);
  border: 2px solid rgba(26, 31, 29, 0.3);
}

.wca-btn--ghost-on-light:hover {
  border-color: var(--wca-on-light-primary);
  background: rgba(26, 31, 29, 0.05);
}

.wca-btn--outline-teal {
  background: transparent;
  color: var(--wca-bio-teal);
  border: 2px solid var(--wca-bio-teal);
}

.wca-btn--outline-teal:hover {
  background: var(--wca-bio-teal);
  color: #0C1117;
}

.wca-bg--light .wca-btn--outline-teal,
.wca-bg--light-alt .wca-btn--outline-teal,
.wca-bg--white .wca-btn--outline-teal {
  color: var(--wca-on-light-accent);
  border-color: var(--wca-on-light-accent);
}

.wca-bg--light .wca-btn--outline-teal:hover,
.wca-bg--light-alt .wca-btn--outline-teal:hover,
.wca-bg--white .wca-btn--outline-teal:hover {
  background: var(--wca-on-light-accent);
  color: #F7F5F2;
  border-color: var(--wca-on-light-accent);
}

.wca-btn--text {
  padding: 0;
  background: none;
  border: none;
  color: var(--wca-bio-teal);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  transition: gap var(--wca-transition);
}

.wca-btn--text:hover {
  gap: 0.6rem;
}

.wca-bg--light .wca-btn--text,
.wca-bg--light-alt .wca-btn--text,
.wca-bg--white .wca-btn--text {
  color: var(--wca-on-light-accent);
}

.wca-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 900;
  height: var(--wca-nav-h);
  background: var(--wca-dark-bg);
  border-bottom: 1px solid rgba(43, 191, 164, 0.12);
  display: flex;
  align-items: center;
}

.wca-nav__inner {
  max-width: var(--wca-container);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2rem);
  width: 100%;
  display: flex;
  align-items: center;
  gap: 2rem;
}

.wca-nav__logo {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  text-decoration: none;
}

.wca-nav__logo img {
  height: 32px;
  width: auto;
}

.wca-nav__links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  margin-left: 1.5rem;
}

.wca-nav__link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--wca-on-dark-primary);
  padding: 0.375rem 0.75rem;
  border-radius: var(--wca-radius);
  transition: color var(--wca-transition), background var(--wca-transition);
  text-decoration: none;
  white-space: nowrap;
}

.wca-nav__link:hover {
  color: var(--wca-bio-teal);
  background: rgba(43, 191, 164, 0.08);
}

.wca-nav__link--active {
  color: var(--wca-bio-teal);
}

.wca-nav__actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
}

.wca-nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  margin-left: auto;
}

.wca-nav__hamburger-bar {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--wca-on-dark-primary);
  border-radius: 2px;
  transition: transform var(--wca-transition), opacity var(--wca-transition);
}

.wca-nav__drawer {
  display: none;
  position: fixed;
  top: var(--wca-nav-h);
  left: 0;
  right: 0;
  background: var(--wca-dark-bg);
  border-bottom: 1px solid rgba(43, 191, 164, 0.12);
  padding: 1rem clamp(1rem, 4vw, 2rem) 1.5rem;
  z-index: 899;
  flex-direction: column;
  gap: 0.25rem;
}

.wca-nav__drawer--open {
  display: flex;
}

.wca-nav__drawer-link {
  font-size: 1rem;
  font-weight: 500;
  color: var(--wca-on-dark-primary);
  padding: 0.625rem 0.5rem;
  border-radius: var(--wca-radius);
  text-decoration: none;
  transition: color var(--wca-transition);
}

.wca-nav__drawer-link:hover {
  color: var(--wca-bio-teal);
}

.wca-nav__drawer-actions {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid rgba(232, 235, 233, 0.1);
}

.wca-section {
  padding-block: var(--wca-section-py);
}

.wca-section--first {
  padding-top: calc(var(--wca-nav-h) + var(--wca-section-py));
}

.wca-hero {
  padding-bottom: clamp(3rem, 6vw, 5rem);
  background: var(--wca-dark-bg);
}

.wca-hero__inner {
  max-width: var(--wca-container);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2rem);
  display: grid;
  grid-template-columns: 55fr 45fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.wca-hero__text {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.wca-hero__h1 {
  font-family: 'Newsreader', Georgia, serif;
  font-weight: 300;
  font-style: italic;
  font-size: clamp(2.25rem, 5vw, 3.75rem);
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--wca-on-dark-primary);
  margin: 0;
}

.wca-hero__h1 em {
  color: var(--wca-bio-teal);
  font-style: inherit;
}

.wca-hero__sub {
  font-size: clamp(1rem, 1.5vw, 1.125rem);
  line-height: 1.7;
  color: var(--wca-on-dark-muted);
  max-width: 52ch;
}

.wca-hero__actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.wca-hero__visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.wca-cycle-mock {
  background: #0D1520;
  border: 1px solid rgba(43, 191, 164, 0.18);
  border-radius: var(--wca-radius-lg);
  padding: 1.25rem;
  width: 100%;
  max-width: 420px;
  font-family: 'JetBrains Mono', monospace;
}

.wca-cycle-mock__header {
  font-size: 0.6875rem;
  color: var(--wca-on-dark-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 0.875rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.wca-cycle-mock__live-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--wca-bio-teal);
  box-shadow: 0 0 6px var(--wca-bio-teal);
  animation: wca-pulse 2s infinite;
  display: inline-block;
  margin-right: 0.375rem;
}

.wca-cycle-mock__calendar {
  display: grid;
  grid-template-columns: repeat(10, 1fr);
  gap: 3px;
  margin-bottom: 1rem;
}

.wca-cycle-mock__day {
  height: 22px;
  border-radius: 3px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.5rem;
  color: rgba(232, 235, 233, 0.6);
}

.wca-cycle-mock__day--menstrual {
  background: rgba(196, 105, 90, 0.35);
}

.wca-cycle-mock__day--follicular {
  background: rgba(43, 191, 164, 0.25);
}

.wca-cycle-mock__day--ovulatory {
  background: rgba(43, 191, 164, 0.6);
}

.wca-cycle-mock__day--luteal {
  background: rgba(212, 160, 74, 0.3);
}

.wca-cycle-mock__day--active {
  border: 1.5px solid var(--wca-bio-teal);
  background: rgba(43, 191, 164, 0.3);
  color: #FFFFFF;
  font-weight: 700;
}

.wca-cycle-mock__chart {
  margin-bottom: 1rem;
}

.wca-cycle-mock__chart-label {
  font-size: 0.5625rem;
  color: var(--wca-on-dark-muted);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.wca-cycle-mock__ci-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.375rem;
}

.wca-cycle-mock__ci-label {
  font-size: 0.5rem;
  color: var(--wca-on-dark-muted);
  width: 60px;
  flex-shrink: 0;
  white-space: nowrap;
}

.wca-cycle-mock__ci-bar-track {
  flex: 1;
  height: 8px;
  background: rgba(232, 235, 233, 0.07);
  border-radius: 4px;
  position: relative;
  overflow: hidden;
}

.wca-cycle-mock__ci-bar-fill {
  height: 100%;
  border-radius: 4px;
  background: var(--wca-bio-teal);
}

.wca-cycle-mock__ci-bar-fill--high {
  width: 89%;
  background: var(--wca-bio-teal);
}

.wca-cycle-mock__ci-bar-fill--mid {
  width: 72%;
  background: rgba(43, 191, 164, 0.6);
}

.wca-cycle-mock__ci-bar-fill--low {
  width: 44%;
  background: rgba(43, 191, 164, 0.3);
}

.wca-cycle-mock__pct {
  font-size: 0.5625rem;
  color: var(--wca-on-dark-primary);
  width: 24px;
  text-align: right;
  flex-shrink: 0;
}

.wca-cycle-mock__reading {
  background: rgba(43, 191, 164, 0.08);
  border: 1px solid rgba(43, 191, 164, 0.2);
  border-radius: var(--wca-radius);
  padding: 0.75rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.wca-cycle-mock__reading-main {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
}

.wca-cycle-mock__reading-day {
  font-size: 0.625rem;
  color: var(--wca-on-dark-muted);
}

.wca-cycle-mock__reading-phase {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--wca-bio-teal);
}

.wca-cycle-mock__reading-conf {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--wca-on-dark-primary);
}

.wca-cycle-mock__reading-conf-label {
  font-size: 0.5rem;
  color: var(--wca-on-dark-muted);
  text-align: right;
}

.wca-problem-insight {
  background: var(--wca-dark-alt-bg);
}

.wca-problem-insight__inner {
  max-width: var(--wca-container);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2rem);
}

.wca-problem-insight__grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 2rem;
  margin-top: 3rem;
}

.wca-problem-insight__card {
  background: rgba(232, 235, 233, 0.03);
  border: 1px solid rgba(232, 235, 233, 0.08);
  border-radius: var(--wca-radius-lg);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.wca-problem-insight__card-icon {
  width: 36px;
  height: 36px;
  color: var(--wca-bio-teal);
  font-size: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(43, 191, 164, 0.1);
  border-radius: var(--wca-radius);
}

.wca-problem-insight__card-title {
  font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
  font-weight: 600;
  font-size: 1rem;
  color: var(--wca-on-dark-primary);
  line-height: 1.35;
}

.wca-problem-insight__card-text {
  font-size: 0.9375rem;
  color: var(--wca-on-dark-muted);
  line-height: 1.6;
}

.wca-how-it-works {
  background: var(--wca-light-bg);
}

.wca-how-it-works__inner {
  max-width: var(--wca-container);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2rem);
}

.wca-how-it-works__header {
  text-align: center;
  max-width: 52ch;
  margin-inline: auto;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.wca-how-it-works__header .wca-h2 {
  color: var(--wca-on-light-primary);
  margin-bottom: 0.75rem;
}

.wca-how-it-works__header .wca-lead {
  color: var(--wca-on-light-muted);
}

.wca-how-it-works__steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
  position: relative;
}

.wca-step {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  position: relative;
}

.wca-step__num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.6875rem;
  font-weight: 400;
  color: var(--wca-on-light-accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  display: block;
}

.wca-step__icon {
  width: 48px;
  height: 48px;
  background: rgba(26, 127, 110, 0.1);
  border-radius: var(--wca-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--wca-on-light-accent);
  font-size: 1.375rem;
}

.wca-step__title {
  font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
  font-weight: 600;
  font-size: 1.125rem;
  color: var(--wca-on-light-primary);
  line-height: 1.3;
  margin: 0;
}

.wca-step__desc {
  font-size: 0.9375rem;
  color: var(--wca-on-light-muted);
  line-height: 1.65;
}

.wca-breakout-viz {
  background: var(--wca-dark-bg);
  overflow: hidden;
}

.wca-breakout-viz__inner {
  max-width: var(--wca-container);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2rem);
}

.wca-breakout-viz__header {
  text-align: center;
  max-width: 52ch;
  margin-inline: auto;
  margin-bottom: 2.5rem;
}

.wca-breakout-viz__header .wca-h2 {
  color: var(--wca-on-dark-primary);
  margin-bottom: 0.75rem;
}

.wca-signal-svg {
  width: 100%;
  max-width: 900px;
  display: block;
  margin-inline: auto;
  border: 1px solid rgba(43, 191, 164, 0.12);
  border-radius: var(--wca-radius-lg);
  background: #0A0F14;
  overflow: visible;
}

.wca-arch-diagram {
  background: #0A0F14;
  border: 1px solid rgba(43, 191, 164, 0.15);
  border-radius: var(--wca-radius-lg);
  padding: 2rem;
  overflow-x: auto;
}

.wca-arch-diagram__svg {
  width: 100%;
  min-width: 700px;
  height: auto;
  display: block;
  margin-inline: auto;
}

.wca-science-teaser {
  background: var(--wca-light-alt-bg);
}

.wca-science-teaser__inner {
  max-width: var(--wca-container);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2rem);
}

.wca-science-teaser__text {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.wca-science-teaser__text .wca-h2 {
  color: var(--wca-on-light-primary);
  margin: 0;
}

.wca-science-teaser__body {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--wca-on-light-muted);
}

.wca-science-teaser__stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  padding-top: 0.5rem;
}

.wca-stat {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.wca-stat__num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 2rem;
  font-weight: 700;
  color: var(--wca-on-light-accent);
  line-height: 1;
}

.wca-stat__label {
  font-size: 0.8125rem;
  color: var(--wca-on-light-muted);
}

.wca-science-teaser__img-wrap {
  border-radius: var(--wca-radius-lg);
  overflow: hidden;
  aspect-ratio: 3/2;
}

.wca-science-teaser__img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

.wca-pricing-preview {
  background: var(--wca-light-bg);
}

.wca-pricing-preview__inner {
  max-width: var(--wca-container);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2rem);
}

.wca-pricing-preview__header {
  text-align: center;
  max-width: 52ch;
  margin-inline: auto;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.wca-pricing-preview__header .wca-h2 {
  color: var(--wca-on-light-primary);
  margin-bottom: 0.75rem;
}

.wca-pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  align-items: stretch;
}

.wca-pricing-card {
  background: var(--wca-white-bg);
  border: 2px solid rgba(26, 31, 29, 0.1);
  border-radius: var(--wca-radius-lg);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: box-shadow var(--wca-transition), border-color var(--wca-transition);
}

.wca-pricing-card:hover {
  box-shadow: 0 8px 32px rgba(26, 31, 29, 0.1);
}

.wca-pricing-card--highlight {
  border-color: var(--wca-on-light-accent);
  background: var(--wca-white-bg);
  position: relative;
}

.wca-pricing-card__badge {
  position: absolute;
  top: -1px;
  right: 1.5rem;
  transform: translateY(-50%);
  background: var(--wca-on-light-accent);
  color: #fff;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.25rem 0.625rem;
  border-radius: 100px;
}

.wca-pricing-card__tier {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--wca-on-light-accent);
}

.wca-pricing-card__price-row {
  display: flex;
  align-items: baseline;
  gap: 0.25rem;
}

.wca-pricing-card__price {
  font-family: 'Newsreader', Georgia, serif;
  font-weight: 700;
  font-size: 2.5rem;
  color: var(--wca-on-light-primary);
  line-height: 1;
}

.wca-pricing-card__cadence {
  font-size: 0.875rem;
  color: var(--wca-on-light-muted);
}

.wca-pricing-card__desc {
  font-size: 0.875rem;
  color: var(--wca-on-light-muted);
  line-height: 1.6;
}

.wca-pricing-card__divider {
  border: none;
  border-top: 1px solid rgba(26, 31, 29, 0.08);
}

.wca-pricing-card__features {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex: 1;
}

.wca-pricing-card__feature {
  display: flex;
  align-items: flex-start;
  gap: 0.625rem;
  font-size: 0.875rem;
  color: var(--wca-on-light-primary);
  line-height: 1.45;
}

.wca-pricing-card__feature i {
  color: var(--wca-on-light-accent);
  font-size: 0.75rem;
  margin-top: 0.25rem;
  flex-shrink: 0;
}

.wca-pricing-card__cta {
  margin-top: 0.5rem;
  display: block;
  text-align: center;
}

.wca-early-access-cta {
  background: var(--wca-dark-bg);
}

.wca-early-access-cta__inner {
  max-width: var(--wca-container);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2rem);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
}

.wca-early-access-cta__h2 {
  font-family: 'Newsreader', Georgia, serif;
  font-weight: 300;
  font-style: italic;
  font-size: clamp(2rem, 4vw, 3.25rem);
  line-height: 1.15;
  color: var(--wca-on-dark-primary);
  max-width: 22ch;
  margin: 0;
}

.wca-early-access-cta__sub {
  font-size: 1rem;
  color: var(--wca-on-dark-muted);
  max-width: 48ch;
}

.wca-early-access-cta__form {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  flex-wrap: wrap;
  justify-content: center;
  width: 100%;
  max-width: 480px;
}

.wca-email-field {
  flex: 1;
  min-width: 240px;
  padding: 0.6875rem 1rem;
  border-radius: var(--wca-radius);
  border: 1.5px solid rgba(232, 235, 233, 0.2);
  background: rgba(232, 235, 233, 0.05);
  color: var(--wca-on-dark-primary);
  font-size: 0.9375rem;
  font-family: inherit;
  transition: border-color var(--wca-transition);
  outline: none;
}

.wca-email-field::placeholder {
  color: var(--wca-on-dark-muted);
}

.wca-email-field:focus {
  border-color: var(--wca-bio-teal);
}

.wca-footer {
  background: var(--wca-dark-bg);
  border-top: 1px solid rgba(232, 235, 233, 0.07);
  padding-block: 3rem 2rem;
}

.wca-footer__inner {
  max-width: var(--wca-container);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2rem);
}

.wca-footer__top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid rgba(232, 235, 233, 0.07);
}

.wca-footer__brand-logo {
  display: block;
  margin-bottom: 0.75rem;
}

.wca-footer__brand-logo img {
  height: 28px;
  width: auto;
}

.wca-footer__brand-tagline {
  font-size: 0.875rem;
  color: var(--wca-on-dark-muted);
  line-height: 1.6;
  max-width: 28ch;
}

.wca-footer__col-heading {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.625rem;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--wca-on-dark-muted);
  margin-bottom: 1rem;
  display: block;
}

.wca-footer__col-links {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.wca-footer__col-link {
  font-size: 0.875rem;
  color: rgba(232, 235, 233, 0.65);
  text-decoration: none;
  transition: color var(--wca-transition);
}

.wca-footer__col-link:hover {
  color: var(--wca-on-dark-primary);
}

.wca-footer__bottom {
  padding-top: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.wca-footer__copy {
  font-size: 0.8125rem;
  color: var(--wca-on-dark-muted);
}

.wca-footer__legal-links {
  display: flex;
  gap: 1.5rem;
}

.wca-footer__legal-link {
  font-size: 0.8125rem;
  color: var(--wca-on-dark-muted);
  text-decoration: none;
  transition: color var(--wca-transition);
}

.wca-footer__legal-link:hover {
  color: var(--wca-on-dark-primary);
}

.wca-faq {
  background: var(--wca-light-bg);
}

.wca-faq__inner {
  max-width: var(--wca-container);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2rem);
}

.wca-faq__header {
  text-align: center;
  max-width: 48ch;
  margin-inline: auto;
  margin-bottom: 3rem;
}

.wca-faq__header .wca-h2 {
  color: var(--wca-on-light-primary);
  margin-bottom: 0.75rem;
}

.wca-faq__list {
  max-width: 720px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.wca-faq__item {
  border-top: 1px solid rgba(26, 31, 29, 0.12);
}

.wca-faq__item:last-child {
  border-bottom: 1px solid rgba(26, 31, 29, 0.12);
}

.wca-faq__trigger {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 0;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  gap: 1rem;
  font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
}

.wca-faq__question {
  font-weight: 600;
  font-size: 1rem;
  color: var(--wca-on-light-primary);
  line-height: 1.4;
}

.wca-faq__chevron {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  color: var(--wca-on-light-accent);
  transition: transform var(--wca-transition);
  font-size: 0.875rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.wca-faq__item--open .wca-faq__chevron {
  transform: rotate(180deg);
}

.wca-faq__answer {
  overflow: hidden;
  max-height: 0;
  transition: max-height 300ms ease;
}

.wca-faq__answer-inner {
  padding-bottom: 1.25rem;
  font-size: 0.9375rem;
  color: var(--wca-on-light-muted);
  line-height: 1.7;
}

.wca-faq--dark {
  background: var(--wca-dark-bg);
}

.wca-faq--dark .wca-faq__item {
  border-top-color: rgba(232, 235, 233, 0.1);
}

.wca-faq--dark .wca-faq__item:last-child {
  border-bottom-color: rgba(232, 235, 233, 0.1);
}

.wca-faq--dark .wca-faq__question {
  color: var(--wca-on-dark-primary);
}

.wca-faq--dark .wca-faq__chevron {
  color: var(--wca-bio-teal);
}

.wca-faq--dark .wca-faq__answer-inner {
  color: var(--wca-on-dark-muted);
}

.wca-faq--dark .wca-faq__header .wca-h2 {
  color: var(--wca-on-dark-primary);
}

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  background: #111820;
  border-top: 1px solid rgba(43, 191, 164, 0.2);
  padding: 1rem clamp(1rem, 4vw, 2rem);
}

.cookie-banner__inner {
  max-width: var(--wca-container);
  margin-inline: auto;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.cookie-banner__text {
  flex: 1;
  font-size: 0.875rem;
  color: var(--wca-on-dark-muted);
  line-height: 1.5;
  min-width: 200px;
}

.cookie-banner__text a {
  color: var(--wca-bio-teal);
  text-decoration: underline;
}

.cookie-banner__actions {
  display: flex;
  gap: 0.625rem;
  flex-shrink: 0;
  flex-wrap: wrap;
}

.cookie-banner__btn {
  padding: 0.5rem 1.125rem;
  border-radius: var(--wca-radius);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  transition: background var(--wca-transition), color var(--wca-transition), border-color var(--wca-transition);
  border: 2px solid transparent;
}

.cookie-banner__btn--primary {
  background: var(--wca-bio-teal);
  color: #0C1117;
  border-color: var(--wca-bio-teal);
}

.cookie-banner__btn--primary:hover {
  background: #24a98f;
  border-color: #24a98f;
}

.cookie-banner__btn--secondary {
  background: transparent;
  color: var(--wca-on-dark-muted);
  border-color: rgba(232, 235, 233, 0.2);
}

.cookie-banner__btn--secondary:hover {
  border-color: var(--wca-on-dark-primary);
  color: var(--wca-on-dark-primary);
}

.wca-section-header {
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.wca-section-header--center {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.wca-section-header__h2 {
  margin-bottom: 0.75rem;
}

.wca-blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.wca-blog-card {
  background: var(--wca-white-bg);
  border-radius: var(--wca-radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  border: 1px solid rgba(26, 31, 29, 0.08);
  transition: box-shadow var(--wca-transition);
}

.wca-blog-card:hover {
  box-shadow: 0 6px 24px rgba(26, 31, 29, 0.1);
}

.wca-blog-card--featured {
  grid-column: span 2;
}

.wca-blog-card__cover-wrap {
  display: block;
  aspect-ratio: 1200 / 630;
  overflow: hidden;
}

.wca-blog-card__cover-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  transition: transform 400ms ease;
}

.wca-blog-card:hover .wca-blog-card__cover-wrap img {
  transform: scale(1.03);
}

.wca-blog-card__body {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex: 1;
}

.wca-blog-card__cat {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--wca-on-light-accent);
  font-weight: 400;
}

.wca-blog-card__title {
  font-weight: 600;
  font-size: 1rem;
  line-height: 1.35;
  color: var(--wca-on-light-primary);
  margin: 0;
}

.wca-blog-card--featured .wca-blog-card__title {
  font-size: 1.25rem;
}

.wca-blog-card__meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: auto;
  padding-top: 0.5rem;
}

.wca-blog-card__date {
  font-size: 0.8125rem;
  color: var(--wca-on-light-muted);
  font-family: 'JetBrains Mono', monospace;
}

.wca-blog-card__author {
  font-size: 0.8125rem;
  color: var(--wca-on-light-muted);
}

.wca-blog-card__sep {
  color: var(--wca-on-light-muted);
  font-size: 0.75rem;
}

.wca-article-back {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.875rem;
  color: var(--wca-bio-teal);
  text-decoration: none;
  transition: gap var(--wca-transition);
  margin-bottom: 1.5rem;
}

.wca-article-back:hover {
  gap: 0.6rem;
}

.wca-article-hero {
  background: var(--wca-dark-bg);
  padding-top: calc(var(--wca-nav-h) + 3rem);
  padding-bottom: 0;
}

.wca-article-hero__inner {
  max-width: var(--wca-container);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2rem);
  padding-bottom: 2.5rem;
}

.wca-article-hero__cat {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--wca-bio-teal);
  display: block;
  margin-bottom: 0.875rem;
}

.wca-article-hero__h1 {
  font-family: 'Newsreader', Georgia, serif;
  font-weight: 700;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.15;
  color: var(--wca-on-dark-primary);
  max-width: 24ch;
  margin-bottom: 1.25rem;
}

.wca-article-byline {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  flex-wrap: wrap;
}

.wca-article-byline__name {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--wca-on-dark-primary);
}

.wca-article-byline__date {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8125rem;
  color: var(--wca-on-dark-muted);
}

.wca-article-byline__sep {
  color: var(--wca-on-dark-muted);
  font-size: 0.75rem;
}

.wca-article-cover {
  max-width: var(--wca-container);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2rem);
}

.wca-article-cover img {
  width: 100%;
  aspect-ratio: 1200 / 630;
  object-fit: cover;
  object-position: center;
  border-radius: var(--wca-radius-lg);
  display: block;
}

.wca-article-body {
  background: var(--wca-light-bg);
  padding-block: 3rem 5rem;
}

.wca-article-content {
  max-width: 720px;
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2rem);
}

.wca-article-content h2 {
  font-family: 'Newsreader', Georgia, serif;
  font-weight: 700;
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  color: var(--wca-on-light-primary);
  line-height: 1.2;
  margin-top: 2.5rem;
  margin-bottom: 0.875rem;
}

.wca-article-content h3 {
  font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
  font-weight: 600;
  font-size: 1.125rem;
  color: var(--wca-on-light-primary);
  line-height: 1.3;
  margin-top: 2rem;
  margin-bottom: 0.625rem;
}

.wca-article-content p {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--wca-on-light-muted);
  margin-bottom: 1.25rem;
}

.wca-article-content ul {
  list-style: disc;
  padding-left: 1.5rem;
  margin-bottom: 1.25rem;
}

.wca-article-content li {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--wca-on-light-muted);
  margin-bottom: 0.375rem;
}

.wca-article-content strong {
  color: var(--wca-on-light-primary);
  font-weight: 600;
}

.wca-article-content a {
  color: var(--wca-on-light-accent);
  text-decoration: underline;
}

.wca-article-content a:hover {
  text-decoration: none;
}

.wca-article-chip {
  display: inline-block;
  background: rgba(26, 127, 110, 0.1);
  color: var(--wca-on-light-accent);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  padding: 0.25rem 0.625rem;
  border-radius: 100px;
  margin-right: 0.375rem;
  margin-bottom: 0.375rem;
  text-decoration: none;
}

.wca-article-chips {
  margin-bottom: 1.5rem;
}

.wca-article-pull-quote {
  border-left: 3px solid var(--wca-on-light-accent);
  padding: 1rem 1.5rem;
  margin: 2rem 0;
  font-family: 'Newsreader', Georgia, serif;
  font-weight: 300;
  font-style: italic;
  font-size: 1.25rem;
  line-height: 1.5;
  color: var(--wca-on-light-primary);
  background: rgba(26, 127, 110, 0.05);
  border-radius: 0 var(--wca-radius) var(--wca-radius) 0;
}

.wca-article-related {
  max-width: 720px;
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2rem);
  margin-top: 3rem;
  border-top: 1px solid rgba(26, 31, 29, 0.12);
  padding-top: 2.5rem;
}

.wca-article-related__heading {
  font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
  font-weight: 600;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--wca-on-light-muted);
  margin-bottom: 1rem;
}

.wca-article-related__list {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.wca-article-related__link {
  font-size: 0.9375rem;
  color: var(--wca-on-light-accent);
  text-decoration: none;
  line-height: 1.4;
  transition: opacity var(--wca-transition);
}

.wca-article-related__link:hover {
  opacity: 0.75;
}

.wca-team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.wca-team-card {
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
}

.wca-team-card__avatar-wrap {
  display: block;
  aspect-ratio: 1 / 1;
  border-radius: var(--wca-radius-lg);
  overflow: hidden;
  background: rgba(43, 191, 164, 0.1);
}

.wca-team-card__avatar-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
}

.wca-team-card__initials {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Newsreader', Georgia, serif;
  font-weight: 700;
  font-size: 2.5rem;
  color: var(--wca-bio-teal);
  background: rgba(43, 191, 164, 0.08);
  border-radius: var(--wca-radius-lg);
}

.wca-team-card__name {
  font-weight: 600;
  font-size: 1.0625rem;
  color: var(--wca-on-light-primary);
  margin: 0;
  line-height: 1.3;
}

.wca-bg--dark .wca-team-card__name,
.wca-bg--dark-alt .wca-team-card__name {
  color: var(--wca-on-dark-primary);
}

.wca-team-card__role {
  font-size: 0.875rem;
  color: var(--wca-on-light-accent);
  font-weight: 500;
  margin: 0;
}

.wca-bg--dark .wca-team-card__role,
.wca-bg--dark-alt .wca-team-card__role {
  color: var(--wca-bio-teal);
}

.wca-team-card__bio {
  font-size: 0.875rem;
  color: var(--wca-on-light-muted);
  line-height: 1.65;
  margin: 0;
}

.wca-bg--dark .wca-team-card__bio,
.wca-bg--dark-alt .wca-team-card__bio {
  color: var(--wca-on-dark-muted);
}

.wca-auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--wca-dark-bg);
  padding: 2rem;
}

.wca-auth-card {
  width: 100%;
  max-width: 440px;
  background: var(--wca-dark-alt-bg);
  border: 1px solid rgba(43, 191, 164, 0.15);
  border-radius: var(--wca-radius-lg);
  padding: clamp(1.75rem, 5vw, 2.5rem);
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.wca-auth-card__logo {
  display: flex;
  justify-content: center;
  margin-bottom: -0.5rem;
}

.wca-auth-card__logo img {
  height: 30px;
  width: auto;
}

.wca-auth-card__heading {
  font-family: 'Newsreader', Georgia, serif;
  font-weight: 700;
  font-size: 1.625rem;
  line-height: 1.2;
  color: var(--wca-on-dark-primary);
  text-align: center;
  margin: 0;
}

.wca-auth-card__sub {
  font-size: 0.875rem;
  color: var(--wca-on-dark-muted);
  text-align: center;
  margin: -0.875rem 0 0;
  line-height: 1.5;
}

.wca-auth-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.wca-form-group {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.wca-form-label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--wca-on-dark-primary);
}

.wca-form-input {
  width: 100%;
  padding: 0.6875rem 1rem;
  background: rgba(232, 235, 233, 0.05);
  border: 1.5px solid rgba(232, 235, 233, 0.15);
  border-radius: var(--wca-radius);
  color: var(--wca-on-dark-primary);
  font-size: 0.9375rem;
  font-family: inherit;
  transition: border-color var(--wca-transition);
  outline: none;
}

.wca-form-input::placeholder {
  color: var(--wca-on-dark-muted);
}

.wca-form-input:focus {
  border-color: var(--wca-bio-teal);
}

.wca-form-submit {
  width: 100%;
  padding: 0.75rem;
  background: var(--wca-bio-teal);
  color: #0C1117;
  border: none;
  border-radius: var(--wca-radius);
  font-size: 0.9375rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: background var(--wca-transition);
  margin-top: 0.25rem;
}

.wca-form-submit:hover {
  background: #24a98f;
}

.wca-auth-card__links {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-size: 0.875rem;
}

.wca-auth-card__link {
  color: var(--wca-on-dark-muted);
  text-decoration: none;
  transition: color var(--wca-transition);
}

.wca-auth-card__link span {
  color: var(--wca-bio-teal);
  text-decoration: underline;
}

.wca-auth-card__link:hover span {
  text-decoration: none;
}

.wca-auth-card__terms {
  font-size: 0.75rem;
  color: var(--wca-on-dark-muted);
  text-align: center;
  line-height: 1.5;
}

.wca-auth-card__terms a {
  color: var(--wca-on-dark-muted);
  text-decoration: underline;
}

.wca-subhero {
  padding-top: calc(var(--wca-nav-h) + clamp(3rem, 6vw, 5rem));
  padding-bottom: clamp(3rem, 6vw, 5rem);
}

.wca-subhero--dark {
  background: var(--wca-dark-bg);
}

.wca-subhero--light {
  background: var(--wca-light-bg);
}

.wca-subhero__inner {
  max-width: var(--wca-container);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2rem);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.wca-subhero__inner--centered {
  grid-template-columns: 1fr;
  text-align: center;
  max-width: 700px;
}

.wca-subhero__text {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.wca-subhero__h1 {
  font-family: 'Newsreader', Georgia, serif;
  font-weight: 700;
  font-size: clamp(2.25rem, 4vw, 3rem);
  line-height: 1.15;
  margin: 0;
}

.wca-subhero--dark .wca-subhero__h1 {
  color: var(--wca-on-dark-primary);
}

.wca-subhero--light .wca-subhero__h1 {
  color: var(--wca-on-light-primary);
}

.wca-subhero__lead {
  font-size: clamp(1rem, 1.5vw, 1.125rem);
  line-height: 1.7;
}

.wca-subhero--dark .wca-subhero__lead {
  color: var(--wca-on-dark-muted);
}

.wca-subhero--light .wca-subhero__lead {
  color: var(--wca-on-light-muted);
}

.wca-subhero__visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.wca-science-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
  margin-bottom: clamp(4rem, 8vw, 6rem);
}

.wca-science-block--flip {
  direction: rtl;
}

.wca-science-block--flip > * {
  direction: ltr;
}

.wca-science-block__text {
  display: flex;
  flex-direction: column;
  gap: 1.125rem;
}

.wca-science-block__h3 {
  font-family: 'Newsreader', Georgia, serif;
  font-weight: 700;
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  line-height: 1.2;
  margin: 0;
}

.wca-bg--dark .wca-science-block__h3 {
  color: var(--wca-on-dark-primary);
}

.wca-bg--light .wca-science-block__h3,
.wca-bg--light-alt .wca-science-block__h3 {
  color: var(--wca-on-light-primary);
}

.wca-science-block__body {
  font-size: 0.9375rem;
  line-height: 1.75;
}

.wca-bg--dark .wca-science-block__body {
  color: var(--wca-on-dark-muted);
}

.wca-bg--light .wca-science-block__body,
.wca-bg--light-alt .wca-science-block__body {
  color: var(--wca-on-light-muted);
}

.wca-science-block__visual {
  display: block;
}

.wca-data-card {
  background: var(--wca-dark-alt-bg);
  border: 1px solid rgba(43, 191, 164, 0.15);
  border-radius: var(--wca-radius-lg);
  padding: 1.5rem;
  font-family: 'JetBrains Mono', monospace;
}

.wca-data-card--light {
  background: var(--wca-white-bg);
  border-color: rgba(26, 31, 29, 0.1);
}

.wca-data-card__label {
  font-size: 0.5625rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--wca-on-dark-muted);
  margin-bottom: 0.75rem;
  display: block;
}

.wca-data-card--light .wca-data-card__label {
  color: var(--wca-on-light-muted);
}

.wca-data-card__table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.75rem;
}

.wca-data-card__table th {
  text-align: left;
  padding: 0.375rem 0.5rem;
  color: var(--wca-on-dark-muted);
  border-bottom: 1px solid rgba(43, 191, 164, 0.12);
  font-weight: 400;
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.wca-data-card--light .wca-data-card__table th {
  color: var(--wca-on-light-muted);
  border-bottom-color: rgba(26, 31, 29, 0.1);
}

.wca-data-card__table td {
  padding: 0.4375rem 0.5rem;
  color: var(--wca-on-dark-primary);
  border-bottom: 1px solid rgba(232, 235, 233, 0.04);
}

.wca-data-card--light .wca-data-card__table td {
  color: var(--wca-on-light-primary);
  border-bottom-color: rgba(26, 31, 29, 0.04);
}

.wca-data-card__table tr:last-child td {
  border-bottom: none;
}

.wca-data-card__bar-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.3125rem 0;
  font-size: 0.6875rem;
}

.wca-data-card__bar-track {
  flex: 1;
  height: 6px;
  background: rgba(232, 235, 233, 0.07);
  border-radius: 3px;
  overflow: hidden;
}

.wca-data-card--light .wca-data-card__bar-track {
  background: rgba(26, 31, 29, 0.07);
}

.wca-data-card__bar-fill {
  height: 100%;
  border-radius: 3px;
  background: var(--wca-bio-teal);
}

.wca-data-card__bar-fill--warn {
  background: var(--wca-signal-amber);
}

.wca-data-card__val {
  width: 36px;
  text-align: right;
  color: var(--wca-on-dark-primary);
}

.wca-data-card--light .wca-data-card__val {
  color: var(--wca-on-light-primary);
}

.wca-data-card__name {
  width: 80px;
  color: var(--wca-on-dark-muted);
}

.wca-data-card--light .wca-data-card__name {
  color: var(--wca-on-light-muted);
}

.wca-clin-integration {
  background: var(--wca-light-alt-bg);
}

.wca-clin-integration__inner {
  max-width: var(--wca-container);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2rem);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.wca-clin-integration__text {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.wca-clin-integration__text .wca-h2 {
  color: var(--wca-on-light-primary);
  margin: 0;
}

.wca-clin-integration__body {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--wca-on-light-muted);
}

.wca-clin-integration__img-wrap {
  border-radius: var(--wca-radius-lg);
  overflow: hidden;
  aspect-ratio: 3 / 2;
}

.wca-clin-integration__img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

.wca-clinic-mock {
  background: #0D1520;
  border: 1px solid rgba(43, 191, 164, 0.15);
  border-radius: var(--wca-radius-lg);
  overflow: hidden;
  font-family: 'JetBrains Mono', monospace;
}

.wca-clinic-mock__bar {
  background: rgba(43, 191, 164, 0.08);
  border-bottom: 1px solid rgba(43, 191, 164, 0.12);
  padding: 0.5rem 0.875rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.5625rem;
  color: var(--wca-on-dark-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.wca-clinic-mock__table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.6875rem;
}

.wca-clinic-mock__table th {
  text-align: left;
  padding: 0.5rem 0.875rem;
  color: var(--wca-on-dark-muted);
  border-bottom: 1px solid rgba(43, 191, 164, 0.08);
  font-weight: 400;
  font-size: 0.5625rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  white-space: nowrap;
}

.wca-clinic-mock__table td {
  padding: 0.5rem 0.875rem;
  color: var(--wca-on-dark-primary);
  border-bottom: 1px solid rgba(232, 235, 233, 0.04);
  white-space: nowrap;
}

.wca-clinic-mock__table tr:last-child td {
  border-bottom: none;
}

.wca-clinic-mock__row--flagged td {
  background: rgba(212, 160, 74, 0.06);
}

.wca-clinic-mock__phase-badge {
  display: inline-block;
  padding: 0.125rem 0.375rem;
  border-radius: 3px;
  font-size: 0.5625rem;
  font-weight: 400;
}

.wca-clinic-mock__phase-badge--luteal {
  background: rgba(212, 160, 74, 0.2);
  color: var(--wca-signal-amber);
}

.wca-clinic-mock__phase-badge--follicular {
  background: rgba(43, 191, 164, 0.15);
  color: var(--wca-bio-teal);
}

.wca-clinic-mock__phase-badge--ovulatory {
  background: rgba(43, 191, 164, 0.3);
  color: #4DD4BE;
}

.wca-clinic-mock__phase-badge--menstrual {
  background: rgba(196, 105, 90, 0.2);
  color: #D4857A;
}

.wca-clinic-mock__conf {
  display: inline-block;
  font-size: 0.625rem;
  padding: 0.125rem 0.25rem;
}

.wca-clinic-mock__conf--high {
  color: var(--wca-bio-teal);
}

.wca-clinic-mock__conf--mid {
  color: var(--wca-signal-amber);
}

.wca-features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.wca-feature-card {
  background: rgba(232, 235, 233, 0.03);
  border: 1px solid rgba(232, 235, 233, 0.08);
  border-radius: var(--wca-radius-lg);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
}

.wca-feature-card--light {
  background: var(--wca-white-bg);
  border-color: rgba(26, 31, 29, 0.08);
}

.wca-feature-card__icon {
  width: 40px;
  height: 40px;
  border-radius: var(--wca-radius);
  background: rgba(43, 191, 164, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--wca-bio-teal);
  font-size: 1.125rem;
}

.wca-feature-card--light .wca-feature-card__icon {
  background: rgba(26, 127, 110, 0.1);
  color: var(--wca-on-light-accent);
}

.wca-feature-card__title {
  font-weight: 600;
  font-size: 1rem;
  color: var(--wca-on-dark-primary);
  line-height: 1.35;
  margin: 0;
}

.wca-feature-card--light .wca-feature-card__title {
  color: var(--wca-on-light-primary);
}

.wca-feature-card__desc {
  font-size: 0.875rem;
  line-height: 1.65;
  color: var(--wca-on-dark-muted);
  margin: 0;
}

.wca-feature-card--light .wca-feature-card__desc {
  color: var(--wca-on-light-muted);
}

.wca-404 {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--wca-dark-bg);
  padding: 2rem;
}

.wca-404__inner {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  max-width: 480px;
}

.wca-404__code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 7rem;
  font-weight: 700;
  color: var(--wca-bio-teal);
  line-height: 1;
  opacity: 0.25;
}

.wca-404__h1 {
  font-family: 'Newsreader', Georgia, serif;
  font-weight: 700;
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  color: var(--wca-on-dark-primary);
  margin: 0;
}

.wca-404__body {
  font-size: 1rem;
  color: var(--wca-on-dark-muted);
  line-height: 1.65;
}

.wca-fade-in {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 500ms ease, transform 500ms ease;
}

.wca-fade-in--pending {
  opacity: 0;
  transform: translateY(20px);
}

@keyframes wca-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

@keyframes wca-dash {
  to { stroke-dashoffset: 0; }
}

.wca-cycle-mock__day--ovulatory .wca-cycle-mock__pct { color: #ffffff; }

.wca-cycle-mock__reading-main { color: var(--wca-on-dark-primary); }

@media (prefers-reduced-motion: reduce) {
  .wca-fade-in--pending {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .wca-live-dot {
    animation: none;
  }
}

.wca-divider {
  border: none;
  border-top: 1px solid rgba(232, 235, 233, 0.08);
  margin-block: 0;
}

.wca-bg--light .wca-divider,
.wca-bg--light-alt .wca-divider,
.wca-bg--white .wca-divider {
  border-top-color: rgba(26, 31, 29, 0.1);
}

.wca-page--pricing .wca-pricing-grid {
  align-items: start;
}

.wca-docs-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 3rem;
  align-items: start;
}

.wca-docs-sidebar {
  position: sticky;
  top: calc(var(--wca-nav-h) + 2rem);
}

.wca-docs-sidebar__nav {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.wca-docs-sidebar__link {
  font-size: 0.875rem;
  color: var(--wca-on-light-muted);
  padding: 0.375rem 0.625rem;
  border-radius: var(--wca-radius);
  text-decoration: none;
  transition: color var(--wca-transition), background var(--wca-transition);
}

.wca-docs-sidebar__link:hover,
.wca-docs-sidebar__link--active {
  color: var(--wca-on-light-accent);
  background: rgba(26, 127, 110, 0.07);
}

.wca-use-case-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.wca-use-case-card {
  background: var(--wca-white-bg);
  border: 1px solid rgba(26, 31, 29, 0.1);
  border-radius: var(--wca-radius-lg);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: box-shadow var(--wca-transition);
}

.wca-use-case-card:hover {
  box-shadow: 0 6px 24px rgba(26, 31, 29, 0.08);
}

.wca-use-case-card--dark {
  background: rgba(232, 235, 233, 0.03);
  border-color: rgba(232, 235, 233, 0.08);
}

.wca-use-case-card__icon {
  width: 44px;
  height: 44px;
  border-radius: var(--wca-radius);
  background: rgba(26, 127, 110, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: var(--wca-on-light-accent);
}

.wca-use-case-card--dark .wca-use-case-card__icon {
  background: rgba(43, 191, 164, 0.1);
  color: var(--wca-bio-teal);
}

.wca-use-case-card__title {
  font-weight: 600;
  font-size: 1.0625rem;
  color: var(--wca-on-light-primary);
  line-height: 1.3;
  margin: 0;
}

.wca-use-case-card--dark .wca-use-case-card__title {
  color: var(--wca-on-dark-primary);
}

.wca-use-case-card__desc {
  font-size: 0.9375rem;
  color: var(--wca-on-light-muted);
  line-height: 1.65;
}

.wca-use-case-card--dark .wca-use-case-card__desc {
  color: var(--wca-on-dark-muted);
}

.wca-about-timeline {
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
  padding-left: 2rem;
}

.wca-about-timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.5rem;
  bottom: 0.5rem;
  width: 2px;
  background: rgba(43, 191, 164, 0.2);
}

.wca-about-timeline__item {
  position: relative;
  padding-left: 1.5rem;
  padding-bottom: 2rem;
}

.wca-about-timeline__item::before {
  content: '';
  position: absolute;
  left: -2.25rem;
  top: 0.5rem;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--wca-bio-teal);
  border: 2px solid var(--wca-dark-bg);
}

.wca-about-timeline__date {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.6875rem;
  color: var(--wca-bio-teal);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  display: block;
  margin-bottom: 0.25rem;
}

.wca-about-timeline__title {
  font-weight: 600;
  font-size: 1rem;
  color: var(--wca-on-light-primary);
  margin-bottom: 0.375rem;
  line-height: 1.35;
}

.wca-bg--dark .wca-about-timeline__title {
  color: var(--wca-on-dark-primary);
}

.wca-about-timeline__body {
  font-size: 0.875rem;
  color: var(--wca-on-light-muted);
  line-height: 1.65;
}

.wca-bg--dark .wca-about-timeline__body {
  color: var(--wca-on-dark-muted);
}

.wca-contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.wca-contact-info {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.wca-contact-info-p {
  font-size: 0.9375rem;
  color: var(--wca-on-light-muted);
  line-height: 1.7;
}

.wca-contact-form-wrap {
  background: var(--wca-white-bg);
  border: 1px solid rgba(26, 31, 29, 0.1);
  border-radius: var(--wca-radius-lg);
  padding: 2rem;
}

.wca-contact-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.wca-form-input--light {
  background: var(--wca-light-bg);
  border-color: rgba(26, 31, 29, 0.15);
  color: var(--wca-on-light-primary);
}

.wca-form-input--light::placeholder {
  color: var(--wca-on-light-muted);
}

.wca-form-input--light:focus {
  border-color: var(--wca-on-light-accent);
}

.wca-form-textarea {
  resize: vertical;
  min-height: 120px;
}

.wca-partners-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  align-items: center;
}

.wca-partner-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  background: rgba(232, 235, 233, 0.03);
  border: 1px solid rgba(232, 235, 233, 0.08);
  border-radius: var(--wca-radius);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8125rem;
  color: var(--wca-on-dark-muted);
  letter-spacing: 0.05em;
  text-align: center;
}

.wca-partner-logo--light {
  background: var(--wca-white-bg);
  border-color: rgba(26, 31, 29, 0.08);
  color: var(--wca-on-light-muted);
}

.wca-testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.wca-testimonial-card {
  background: rgba(232, 235, 233, 0.03);
  border: 1px solid rgba(232, 235, 233, 0.08);
  border-radius: var(--wca-radius-lg);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.wca-testimonial-card--light {
  background: var(--wca-white-bg);
  border-color: rgba(26, 31, 29, 0.08);
}

.wca-testimonial-card__quote {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--wca-on-dark-primary);
  font-style: italic;
}

.wca-testimonial-card--light .wca-testimonial-card__quote {
  color: var(--wca-on-light-primary);
}

.wca-testimonial-card__attribution {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
  margin-top: auto;
}

.wca-testimonial-card__name {
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--wca-on-dark-primary);
}

.wca-testimonial-card--light .wca-testimonial-card__name {
  color: var(--wca-on-light-primary);
}

.wca-testimonial-card__role {
  font-size: 0.8125rem;
  color: var(--wca-on-dark-muted);
}

.wca-testimonial-card--light .wca-testimonial-card__role {
  color: var(--wca-on-light-muted);
}

.wca-stats-band {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  padding: 3rem 0;
  text-align: center;
}

.wca-stats-band__stat {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.wca-stats-band__num {
  font-family: 'Newsreader', Georgia, serif;
  font-weight: 700;
  font-size: clamp(2rem, 3vw, 2.75rem);
  color: var(--wca-bio-teal);
  line-height: 1;
}

.wca-bg--light .wca-stats-band__num,
.wca-bg--light-alt .wca-stats-band__num,
.wca-bg--white .wca-stats-band__num {
  color: var(--wca-on-light-accent);
}

.wca-stats-band__label {
  font-size: 0.875rem;
  color: var(--wca-on-dark-muted);
}

.wca-bg--light .wca-stats-band__label,
.wca-bg--light-alt .wca-stats-band__label,
.wca-bg--white .wca-stats-band__label {
  color: var(--wca-on-light-muted);
}

.wca-comparison-table-wrap {
  overflow-x: auto;
}

.wca-comparison-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
  min-width: 600px;
}

.wca-comparison-table th {
  text-align: center;
  padding: 1rem;
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--wca-on-light-primary);
  border-bottom: 2px solid rgba(26, 31, 29, 0.12);
}

.wca-comparison-table th:first-child {
  text-align: left;
}

.wca-comparison-table td {
  padding: 0.875rem 1rem;
  text-align: center;
  border-bottom: 1px solid rgba(26, 31, 29, 0.06);
  color: var(--wca-on-light-muted);
  font-size: 0.875rem;
}

.wca-comparison-table td:first-child {
  text-align: left;
  color: var(--wca-on-light-primary);
  font-weight: 500;
}

.wca-comparison-table .wca--check {
  color: var(--wca-on-light-accent);
}

.wca-comparison-table .wca--x {
  color: rgba(26, 31, 29, 0.3);
}

.wca-science-teaser__stats-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.wca-about-twin {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

@media (max-width: 1024px) {
  .wca-how-it-works__steps {
    grid-template-columns: 1fr 1fr;
  }

  .wca-pricing-grid {
    grid-template-columns: 1fr;
    max-width: 420px;
    margin-inline: auto;
  }

  .wca-footer__top {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }

  .wca-docs-layout {
    grid-template-columns: 200px 1fr;
  }

  .wca-partners-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .wca-stats-band {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .wca-nav__links {
    display: none;
  }

  .wca-nav__actions {
    display: none;
  }

  .wca-nav__hamburger {
    display: flex;
  }

  .wca-hero__inner {
    grid-template-columns: 1fr;
  }

  .wca-hero__visual {
    order: -1;
  }

  .wca-problem-insight__grid {
    grid-template-columns: 1fr;
  }

  .wca-how-it-works__steps {
    grid-template-columns: 1fr;
  }

  .wca-science-teaser__inner {
    grid-template-columns: 1fr;
  }

  .wca-science-teaser__stats-inner {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .wca-science-teaser__stats {
    grid-template-columns: 1fr;
  }

  .wca-about-twin {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .wca-science-block {
    grid-template-columns: 1fr;
    direction: ltr;
  }

  .wca-science-block--flip {
    direction: ltr;
  }

  .wca-subhero__inner {
    grid-template-columns: 1fr;
  }

  .wca-subhero__visual {
    display: none;
  }

  .wca-clin-integration__inner {
    grid-template-columns: 1fr;
  }

  .wca-contact-grid {
    grid-template-columns: 1fr;
  }

  .wca-team-grid {
    grid-template-columns: 1fr 1fr;
  }

  .wca-features-grid {
    grid-template-columns: 1fr 1fr;
  }

  .wca-use-case-cards {
    grid-template-columns: 1fr;
  }

  .wca-testimonial-grid {
    grid-template-columns: 1fr;
  }

  .wca-blog-grid {
    grid-template-columns: 1fr;
  }

  .wca-blog-card--featured {
    grid-column: span 1;
  }

  .wca-footer__top {
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
  }

  .wca-footer__bottom {
    flex-direction: column;
    align-items: flex-start;
  }

  .wca-docs-layout {
    grid-template-columns: 1fr;
  }

  .wca-docs-sidebar {
    position: static;
  }

  .wca-docs-sidebar__nav {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 0.375rem;
  }

  .wca-pricing-grid {
    max-width: 100%;
  }
}

@media (max-width: 480px) {
  .wca-team-grid {
    grid-template-columns: 1fr;
  }

  .wca-features-grid {
    grid-template-columns: 1fr;
  }

  .wca-footer__top {
    grid-template-columns: 1fr;
  }

  .wca-early-access-cta__form {
    flex-direction: column;
  }

  .wca-early-access-cta__form .wca-email-field {
    min-width: 100%;
  }

  .wca-stats-band {
    grid-template-columns: 1fr 1fr;
  }
}