:root {
  color-scheme: dark;
  --bg: #0a0a0f;
  --panel: #141416;
  --panel-strong: #101015;
  --muted: #1f1f23;
  --border: #27272a;
  --border-strong: #3f3f46;
  --text: #f4f4f5;
  --text-soft: #d4d4d8;
  --text-muted: #a1a1aa;
  --primary: #06b6d4;
  --primary-dark: #083344;
  --green: #22c55e;
  --yellow: #eab308;
  --pink: #ec4899;
  --purple: #a855f7;
  --max: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--bg);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
  letter-spacing: 0;
}

body.page-simple {
  min-height: 100vh;
}

a {
  color: inherit;
}

img,
svg {
  display: block;
  max-width: 100%;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: .75rem;
  z-index: 10;
  transform: translateY(-160%);
  border: 1px solid var(--primary);
  border-radius: 8px;
  background: var(--panel);
  padding: .6rem .8rem;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 5;
  border-bottom: 1px solid rgba(63, 63, 70, .75);
  background: rgba(10, 10, 15, .88);
  backdrop-filter: blur(16px);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: min(100% - 2rem, var(--max));
  min-height: 64px;
  margin: 0 auto;
}

.wordmark {
  color: var(--text);
  font-size: 1.15rem;
  font-weight: 800;
  text-decoration: none;
}

.nav-links {
  display: none;
  align-items: center;
  gap: 1rem;
  color: var(--text-muted);
  font-size: .92rem;
}

.nav-links a {
  text-decoration: none;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--text);
}

.nav-cta {
  flex: 0 0 auto;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border: 1px solid transparent;
  border-radius: 8px;
  padding: .72rem 1rem;
  font-size: .95rem;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
}

.button.primary {
  background: var(--primary);
  color: #031114;
  box-shadow: 0 0 22px rgba(6, 182, 212, .24);
}

.button.secondary {
  border-color: var(--border-strong);
  background: rgba(31, 31, 35, .64);
  color: var(--text);
}

.button.small {
  min-height: 38px;
  padding: .56rem .8rem;
  font-size: .86rem;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

main {
  overflow: hidden;
}

.section,
.hero {
  width: min(100% - 2rem, var(--max));
  margin: 0 auto;
}

.hero {
  display: grid;
  gap: 2rem;
  padding: 4rem 0 3rem;
}

.eyebrow {
  margin: 0 0 .9rem;
  color: var(--primary);
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.02;
  letter-spacing: 0;
}

h1 {
  max-width: 900px;
  font-size: 4rem;
}

.hero h1 {
  max-width: 11ch;
}

h2 {
  font-size: 2.1rem;
}

h3 {
  font-size: 1.2rem;
}

p {
  margin: 0;
}

.lede {
  max-width: 680px;
  margin-top: 1rem;
  color: var(--text-soft);
  font-size: 1.24rem;
  line-height: 1.18;
}

.copy {
  max-width: 760px;
  color: var(--text-muted);
  font-size: 1.02rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-top: 1.4rem;
}

.hero-art {
  align-self: center;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel);
  padding: .5rem;
  box-shadow: 0 24px 90px rgba(0, 0, 0, .42);
}

.hero-art img {
  border-radius: 6px;
}

.section {
  padding: 4rem 0;
}

.section-head {
  display: grid;
  gap: 1rem;
  margin-bottom: 2rem;
}

.layer-grid {
  display: grid;
  gap: .9rem;
  margin-top: 2rem;
}

.layer,
.principle,
.price-panel,
.privacy-panel {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: rgba(20, 20, 22, .76);
}

.layer {
  min-height: 210px;
  padding: 1.2rem;
}

.layer strong,
.principle strong {
  display: block;
  margin-bottom: .65rem;
  color: var(--text);
  font-size: 1.05rem;
}

.layer p,
.principle p,
.price-panel p,
.privacy-panel p {
  color: var(--text-muted);
}

.layer-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  margin-bottom: 1.1rem;
  border-radius: 8px;
  background: var(--primary-dark);
  color: var(--primary);
  font-weight: 900;
}

.story-figure {
  margin-top: 2rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel-strong);
  padding: .5rem;
}

.demo-list {
  display: grid;
  gap: 1.5rem;
}

.demo {
  display: grid;
  gap: 1rem;
  padding: 1rem 0 2rem;
  border-bottom: 1px solid var(--border);
}

.demo:last-child {
  border-bottom: 0;
}

.demo-copy {
  display: grid;
  align-content: start;
  gap: .75rem;
}

.demo-id {
  display: inline-flex;
  width: fit-content;
  border: 1px solid rgba(6, 182, 212, .44);
  border-radius: 8px;
  background: rgba(8, 51, 68, .72);
  color: #a5f3fc;
  padding: .24rem .5rem;
  font-size: .8rem;
  font-weight: 800;
}

.recording-slot {
  min-height: 360px;
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  background: #09090d;
  padding: .7rem;
}

.slot-top {
  display: flex;
  align-items: center;
  gap: .4rem;
  height: 26px;
  padding: 0 .2rem .5rem;
}

.slot-top span {
  width: .55rem;
  height: .55rem;
  border-radius: 999px;
  background: var(--border-strong);
}

.slot-top span:first-child {
  background: var(--pink);
}

.slot-top span:nth-child(2) {
  background: var(--yellow);
}

.slot-top span:nth-child(3) {
  background: var(--green);
}

.slot-screen {
  display: grid;
  place-items: center;
  min-height: 300px;
  border: 1px solid #1f1f23;
  border-radius: 6px;
  background:
    linear-gradient(rgba(255, 255, 255, .025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .025) 1px, transparent 1px),
    #101015;
  background-size: 24px 24px;
  padding: 1.1rem;
  text-align: center;
}

.slot-label {
  max-width: 360px;
}

.slot-label b {
  display: block;
  color: var(--text);
  font-size: 1.05rem;
}

.slot-label span {
  display: block;
  margin-top: .45rem;
  color: var(--text-muted);
  font-size: .92rem;
}

.poly-band {
  display: grid;
  gap: 1.2rem;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 3rem 0;
}

.poly-command {
  display: grid;
  gap: .7rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel-strong);
  padding: 1rem;
}

.command-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .8rem;
  min-height: 48px;
  border-radius: 8px;
  background: var(--muted);
  padding: .8rem;
  color: var(--text-soft);
}

.command-line small {
  color: var(--primary);
  font-weight: 800;
  white-space: nowrap;
}

.privacy-panel,
.price-panel {
  display: grid;
  gap: 1rem;
  padding: 1.2rem;
}

.check-list {
  display: grid;
  gap: .8rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  display: grid;
  grid-template-columns: 1.2rem 1fr;
  gap: .65rem;
  color: var(--text-soft);
}

.check-list li::before {
  content: "";
  width: .72rem;
  height: .72rem;
  margin-top: .38rem;
  border-radius: 999px;
  background: var(--primary);
  box-shadow: 0 0 14px rgba(6, 182, 212, .4);
}

.manifesto-grid {
  display: grid;
  gap: 1rem;
}

.principle {
  padding: 1.1rem;
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 2rem 0;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  width: min(100% - 2rem, var(--max));
  margin: 0 auto;
  color: var(--text-muted);
  font-size: .92rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: .9rem;
}

.footer-links a:hover,
.footer-links a:focus-visible {
  color: var(--text);
}

.simple-wrap {
  display: grid;
  align-content: center;
  gap: 1.5rem;
  width: min(100% - 2rem, 720px);
  min-height: calc(100vh - 65px);
  margin: 0 auto;
  padding: 4rem 0;
}

.simple-wrap h1 {
  max-width: none;
  font-size: 3.2rem;
}

@media (min-width: 720px) {
  .nav-links {
    display: flex;
  }

  .hero {
    grid-template-columns: minmax(0, .86fr) minmax(360px, 1fr);
    align-items: center;
    min-height: calc(100vh - 64px);
    padding: 3rem 0;
  }

  h1 {
    font-size: 7.5rem;
  }

  h2 {
    font-size: 4rem;
  }

  h3 {
    font-size: 1.55rem;
  }

  .lede {
    font-size: 1.8rem;
  }

  .simple-wrap h1 {
    font-size: 5.7rem;
  }

  .layer-grid,
  .manifesto-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .demo {
    grid-template-columns: minmax(0, .7fr) minmax(420px, 1fr);
    align-items: center;
    padding: 2.5rem 0;
  }

  .poly-band {
    grid-template-columns: minmax(0, .85fr) minmax(420px, 1fr);
    align-items: center;
  }

  .privacy-panel,
  .price-panel {
    grid-template-columns: minmax(0, .7fr) minmax(0, 1fr);
    align-items: start;
  }

  .footer-inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

@media (max-width: 420px) {
  .nav {
    width: min(100% - 1rem, var(--max));
  }

  .section,
  .hero,
  .footer-inner,
  .simple-wrap {
    width: min(100% - 1.25rem, var(--max));
  }

  .button {
    width: 100%;
  }

  .nav-cta {
    display: none;
  }

  .recording-slot {
    min-height: 300px;
  }

  .slot-screen {
    min-height: 240px;
  }
}