:root {
  color-scheme: dark;
  --bg: #101820;
  --panel: #18232d;
  --ink: #f1f3ed;
  --muted: #a7b6c2;
  --mint: #8de5bd;
  --line: #2e3b46;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--ink);
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 30px;
}
body {
  margin: 0;
}
a {
  color: inherit;
  text-decoration: none;
}
button {
  font: inherit;
}
button,
a,
summary {
  -webkit-tap-highlight-color: transparent;
}
:focus-visible {
  outline: 3px solid var(--mint);
  outline-offset: 6px;
}
.shell {
  max-width: 1440px;
  padding: 0 64px;
  margin: 0 auto;
}
.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
  gap: 24px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-weight: 700;
  font-size: 20px;
  letter-spacing: -0.6px;
  white-space: nowrap;
}
.site-header nav {
  display: flex;
  align-items: center;
  gap: 30px;
  color: #c5cfd5;
  font-size: 14px;
}
.site-header a:hover {
  color: var(--mint);
}
.nav-cta {
  border: 1px solid #5d726b;
  border-radius: 30px;
  padding: 11px 17px;
}
.nav-cta span {
  margin-left: 14px;
}
.hero {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  align-items: center;
  gap: 25px;
  min-height: 710px;
  padding: 65px 0;
}
.eyebrow {
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 11px;
  font-weight: 700;
  color: var(--mint);
  margin: 0 0 26px;
}
h1 {
  font-size: clamp(56px, 6.4vw, 88px);
  line-height: 1.02;
  letter-spacing: -5px;
  font-weight: 650;
  margin: 0 0 30px;
}
em {
  font-family: Georgia, 'Times New Roman', serif;
  color: var(--mint);
  font-weight: 400;
}
.lead {
  font-size: 18px;
  line-height: 1.8;
  color: #bdc9d1;
  margin: 0 0 30px;
}
.button {
  display: inline-flex;
  gap: 35px;
  border-radius: 40px;
  padding: 17px 25px;
  color: #14251d;
  background: var(--mint);
  font-size: 14px;
  font-weight: 700;
}
.button:hover {
  background: #b2f4d3;
}
.quiet {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.7;
}
.hero-copy > .quiet {
  margin-top: 20px;
}
.hero-art {
  position: relative;
}
.hero-art img {
  width: 100%;
  height: auto;
  display: block;
}
.art-note {
  display: block;
  text-align: center;
  color: #9babba;
  font:
    italic 18px Georgia,
    serif;
  margin-top: -8px;
}
.benefit-strip {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 23px 0;
  border-block: 1px solid var(--line);
  font-size: 10px;
  font-weight: 650;
  letter-spacing: 1.7px;
  color: #adbeca;
}
.section {
  padding: 100px 0;
}
.section-heading {
  display: grid;
  grid-template-columns: 1fr 1fr;
  column-gap: 100px;
  align-items: end;
}
.section-heading .eyebrow {
  grid-column: 1 / -1;
}
h2 {
  font-size: clamp(36px, 4vw, 54px);
  line-height: 1.12;
  letter-spacing: -2.3px;
  margin: 0;
  font-weight: 600;
}
.section-heading > p:last-child {
  max-width: 410px;
  margin: 0;
  font-size: 17px;
  line-height: 1.85;
  color: var(--muted);
}
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 55px;
  margin-top: 70px;
}
.step-number {
  color: #9eaeac;
  font-size: 12px;
  display: block;
  border-bottom: 1px solid var(--line);
  padding-bottom: 18px;
  margin-bottom: 25px;
}
h3 {
  font-size: 21px;
  line-height: 1.35;
  letter-spacing: -0.6px;
  margin: 0 0 13px;
  font-weight: 600;
}
.steps p,
.feature-card p {
  color: var(--muted);
  line-height: 1.8;
  font-size: 15px;
}
.demo-section {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  align-items: center;
  gap: 60px;
  padding: 60px;
  border-radius: 28px;
  background: #e9ecdf;
  color: #1a302b;
}
.demo-section .eyebrow {
  color: #476858;
}
.demo-section h2 {
  font-size: 42px;
}
.demo-section p {
  font-size: 15px;
  line-height: 1.7;
  color: #51635c;
}
.demo-section .quiet {
  font-size: 11px;
}
.demo-keys {
  display: flex;
  gap: 13px;
}
.demo-key {
  display: flex;
  flex: 1;
  flex-direction: column;
  align-items: center;
  gap: 15px;
  min-width: 0;
  padding: 22px 10px;
  border: 2px solid #253541;
  border-radius: 17px;
  background: #111923;
  color: #edf4f8;
  box-shadow:
    0 9px 0 #080e13,
    0 16px 20px #17231b26;
  cursor: pointer;
}
.demo-key span {
  font-size: 15px;
  font-weight: 600;
}
.demo-key strong {
  font-size: 27px;
  letter-spacing: -0.8px;
  white-space: nowrap;
}
.demo-key small {
  color: #8db5ff;
  font-size: 10px;
  font-weight: 600;
}
.demo-key.is-active {
  border-color: #68e0b5;
}
.demo-key.is-active strong,
.demo-key.is-active small {
  color: #68e0b5;
}
.demo-key:hover {
  transform: translateY(-2px);
}
.details-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 22px;
}
.feature-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 36px;
}
.feature-card.large {
  grid-row: span 2;
  padding: 45px;
}
.feature-card.large h2 {
  font-size: 42px;
}
.feature-card.large .quiet {
  font-size: 11px;
}
.feature-symbol {
  color: var(--mint);
  display: block;
  font-size: 29px;
  margin-bottom: 20px;
}
.session-example {
  display: flex;
  align-items: center;
  gap: 14px;
  border: 1px solid #435163;
  border-radius: 14px;
  background: #111923;
  padding: 20px;
  margin-top: 38px;
}
.dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #8db5ff;
}
.session-example div {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.session-example div span {
  color: var(--muted);
  font-size: 12px;
}
.session-total {
  margin-left: auto;
  font-size: 24px;
  font-weight: 650;
}
.privacy-section {
  text-align: center;
  padding: 30px 50px 85px;
  border-bottom: 1px solid var(--line);
}
.privacy-section > p:not(.eyebrow) {
  max-width: 660px;
  margin: 25px auto 45px;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.85;
}
.privacy-notes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 35px;
  text-align: left;
}
.privacy-notes p {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.8;
}
.privacy-notes strong {
  color: var(--ink);
  display: block;
  margin-bottom: 8px;
}
.setup {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 90px;
}
.setup ol {
  list-style: decimal-leading-zero;
  padding-left: 28px;
  margin: 0;
  color: var(--mint);
}
.setup li {
  padding: 0 0 27px 13px;
  margin-bottom: 25px;
  border-bottom: 1px solid var(--line);
}
.setup li strong {
  display: block;
  color: var(--ink);
  font-size: 18px;
  margin-bottom: 12px;
}
.setup li span {
  color: var(--muted);
  line-height: 1.7;
  font-size: 14px;
}
.faq {
  padding-top: 0;
  max-width: 840px;
  margin: auto;
}
.faq h2 {
  font-size: 34px;
  margin-bottom: 30px;
}
details {
  border-bottom: 1px solid var(--line);
  padding: 22px 0;
}
summary {
  cursor: pointer;
  font-size: 16px;
  padding-right: 15px;
  line-height: 1.6;
}
details p {
  color: var(--muted);
  line-height: 1.8;
  font-size: 14px;
}
.site-footer {
  border-top: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 25px;
  padding: 35px 0;
}
.site-footer p {
  color: #afc0b5;
  font:
    italic 17px Georgia,
    serif;
}
.site-footer > span {
  font-size: 11px;
  color: var(--muted);
}
.skip {
  position: absolute;
  top: -60px;
  padding: 12px;
  background: var(--mint);
  color: #101820;
  z-index: 3;
}
.skip:focus {
  top: 10px;
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
@media (max-width: 1100px) {
  .shell {
    padding: 0 35px;
  }
  .hero {
    min-height: 600px;
  }
  h1 {
    font-size: 65px;
    letter-spacing: -3px;
  }
  .demo-section {
    gap: 30px;
    padding: 40px 30px;
  }
  .demo-key strong {
    font-size: 22px;
  }
  .demo-key span {
    font-size: 13px;
  }
  .steps {
    gap: 30px;
  }
  .privacy-section {
    padding-inline: 0;
  }
}
@media (max-width: 800px) {
  .hero {
    grid-template-columns: 1fr;
    padding: 60px 0;
    gap: 10px;
  }
  .hero-copy {
    text-align: center;
  }
  h1 {
    font-size: 75px;
  }
  .hero-art {
    max-width: 600px;
    margin: auto;
  }
  .section {
    padding: 70px 0;
  }
  .section-heading,
  .demo-section,
  .setup {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .section-heading > p:last-child {
    max-width: none;
  }
  .demo-keys {
    max-width: 480px;
  }
  .steps {
    gap: 25px;
    margin-top: 40px;
  }
  .details-grid {
    grid-template-columns: 1fr;
  }
  .feature-card.large {
    grid-row: auto;
  }
  .privacy-notes {
    gap: 22px;
  }
  .site-footer {
    flex-wrap: wrap;
  }
  .site-header nav {
    gap: 15px;
    font-size: 12px;
  }
  .faq {
    padding-top: 0;
  }
}
@media (max-width: 540px) {
  .shell {
    padding: 0 22px;
  }
  .site-header {
    padding: 22px 0;
  }
  .brand {
    font-size: 17px;
  }
  .site-header nav a:not(.nav-cta) {
    display: none;
  }
  .nav-cta {
    padding: 9px 12px;
  }
  .nav-cta span {
    margin-left: 4px;
  }
  .hero {
    padding-top: 50px;
  }
  h1 {
    font-size: 58px;
    letter-spacing: -3px;
  }
  .lead {
    font-size: 16px;
  }
  .eyebrow {
    font-size: 10px;
    letter-spacing: 1.6px;
  }
  .desktop-break {
    display: none;
  }
  .benefit-strip {
    flex-direction: column;
    gap: 14px;
    text-align: center;
    font-size: 9px;
  }
  .steps,
  .privacy-notes {
    grid-template-columns: 1fr;
    gap: 26px;
  }
  .step-number {
    margin-bottom: 17px;
  }
  .demo-section {
    padding: 30px 18px;
    margin-inline: -4px;
  }
  .demo-section h2,
  .feature-card.large h2 {
    font-size: 34px;
  }
  .demo-keys {
    gap: 8px;
  }
  .demo-key {
    padding: 18px 5px;
    border-radius: 12px;
    gap: 14px;
  }
  .demo-key strong {
    font-size: 20px;
  }
  .demo-key span {
    font-size: 12px;
  }
  .demo-key small {
    font-size: 8px;
  }
  .feature-card,
  .feature-card.large {
    padding: 28px;
  }
  .privacy-section {
    padding-bottom: 40px;
  }
  .privacy-notes {
    gap: 4px;
  }
  .privacy-section h2 {
    font-size: 34px;
  }
  .site-footer {
    flex-direction: column;
    text-align: center;
    gap: 12px;
  }
  .site-footer p {
    margin: 0;
  }
  h2 {
    letter-spacing: -1.6px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .demo-key:hover {
    transform: none;
  }
}