:root {
  color-scheme: light;
  --bg: #ffffff;
  --surface: #ffffff;
  --surface-soft: #f7f9fc;
  --surface-result: #f1faf7;
  --border: #dbe4ef;
  --border-strong: #b7c7d9;
  --text: #172033;
  --muted: #64748b;
  --quiet: #8190a5;
  --accent: #087b65;
  --accent-hover: #066651;
  --accent-soft: #dff5ee;
  --source: #b45a42;
  --max-width: 1180px;
  --shadow: 0 10px 28px rgba(15, 23, 42, 0.06);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  color: var(--text);
  background: var(--bg);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  line-height: 1.55;
}

a {
  color: inherit;
}

a:focus-visible,
button:focus-visible,
audio:focus-visible,
video:focus-visible {
  outline: 3px solid #5bc2aa;
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  z-index: 20;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.65rem 0.9rem;
  border-radius: 0.45rem;
  color: #ffffff;
  background: var(--accent);
  font-weight: 700;
  transform: translateY(-150%);
  transition: transform 160ms ease;
}

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

.site-header,
main,
footer {
  width: min(calc(100% - 2.5rem), var(--max-width));
  margin-inline: auto;
}

.site-header {
  display: flex;
  min-height: 4.5rem;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
}

.brand {
  display: inline-flex;
  gap: 0.65rem;
  align-items: center;
  color: var(--text);
  text-decoration: none;
  font-size: 1rem;
  font-weight: 750;
  letter-spacing: -0.02em;
}

.brand-logo {
  display: block;
  width: 2.25rem;
  height: 2.25rem;
  flex: none;
  object-fit: contain;
}

nav {
  display: flex;
  gap: clamp(1rem, 3vw, 2rem);
}

nav a,
footer a {
  color: var(--muted);
  text-underline-offset: 0.22em;
}

nav a {
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 600;
}

nav a:hover,
footer a:hover,
.pipeline-figure a:hover {
  color: var(--accent);
}

.hero {
  max-width: 64rem;
  padding-block: clamp(3.5rem, 7vw, 5rem) clamp(3rem, 5vw, 4rem);
}

.eyebrow,
.card-kicker {
  margin: 0 0 0.75rem;
  color: var(--accent);
  font-size: 0.73rem;
  font-weight: 750;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3,
h4,
p {
  text-wrap: pretty;
}

h1 {
  max-width: 58rem;
  margin: 0;
  font-size: clamp(2.6rem, 5.2vw, 3.75rem);
  line-height: 1.04;
  letter-spacing: -0.05em;
}

.hero-lede {
  max-width: 44rem;
  margin: 1.25rem 0 0;
  color: var(--muted);
  font-size: clamp(1.02rem, 2vw, 1.18rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.5rem;
}

.button {
  display: inline-flex;
  min-height: 2.85rem;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 1.05rem;
  border: 1px solid transparent;
  border-radius: 0.55rem;
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 700;
  transition:
    border-color 140ms ease,
    background-color 140ms ease;
}

.button-primary {
  color: #ffffff;
  background: var(--accent);
}

.button-primary:hover {
  background: var(--accent-hover);
}

.button-secondary {
  border-color: var(--border-strong);
  background: #ffffff;
}

.button-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.examples {
  padding-top: clamp(2.5rem, 5vw, 4rem);
  border-top: 1px solid var(--border);
}

.section-heading {
  max-width: 47rem;
  margin-bottom: 2rem;
}

.section-heading h2,
.cta h2 {
  margin: 0;
  font-size: clamp(2rem, 4.5vw, 3.4rem);
  line-height: 1.08;
  letter-spacing: -0.045em;
}

.section-heading > p:last-child {
  max-width: 41rem;
  margin: 0.9rem 0 0;
  color: var(--muted);
}

.audio-examples {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.demo-card {
  padding: clamp(1rem, 2.5vw, 1.4rem);
  border: 1px solid var(--border);
  border-radius: 0.9rem;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.card-header {
  min-height: 5.5rem;
}

.card-kicker {
  margin-bottom: 0.35rem;
}

.card-header h3 {
  max-width: 24ch;
  margin: 0;
  font-size: clamp(1.15rem, 2.2vw, 1.45rem);
  line-height: 1.2;
  letter-spacing: -0.025em;
}

.player-grid {
  display: grid;
  gap: 0.6rem;
}

.player-panel,
.video-panel {
  padding: 0.85rem;
  border: 1px solid var(--border);
  border-radius: 0.7rem;
  background: var(--surface-soft);
}

.result-panel {
  border-color: #b8ddcf;
  background: var(--surface-result);
}

.player-heading {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 0.5rem;
  align-items: center;
  margin-bottom: 0.6rem;
}

.player-heading h4 {
  margin: 0;
  font-size: 0.78rem;
}

.player-heading > span:last-child {
  color: var(--quiet);
  font-size: 0.69rem;
  font-variant-numeric: tabular-nums;
}

.status-dot {
  width: 0.42rem;
  height: 0.42rem;
  border-radius: 50%;
  background: var(--source);
}

.result-panel .status-dot {
  background: var(--accent);
}

audio,
video {
  display: block;
  width: 100%;
}

audio {
  height: 2.7rem;
}

video {
  aspect-ratio: 16 / 9;
  border-radius: 0.5rem;
  background: #0f172a;
}

.card-note {
  margin: 0.9rem 0 0;
  color: var(--muted);
  font-size: 0.8rem;
}

.video-card {
  margin-top: 1rem;
}

.video-card .card-header {
  min-height: auto;
  padding-bottom: 1rem;
}

.video-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.how-it-works {
  padding-block: clamp(5rem, 9vw, 7.5rem);
}

.pipeline-figure {
  overflow: hidden;
  margin: 0;
  border: 1px solid var(--border);
  border-radius: 0.9rem;
  background: var(--surface-soft);
}

.pipeline-image-link {
  display: block;
  padding: clamp(0.5rem, 2vw, 1.25rem);
  background: #f8fafc;
}

.pipeline-figure img {
  display: block;
  width: 100%;
  height: auto;
}

.pipeline-figure figcaption {
  padding: 0.9rem 1.1rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  background: #ffffff;
  font-size: 0.8rem;
}

.pipeline-figure figcaption a {
  margin-left: 0.35rem;
  color: var(--accent);
  font-weight: 650;
}

.cta {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(18rem, 0.72fr) auto;
  gap: 1.25rem;
  align-items: end;
  margin-bottom: 4rem;
  padding: clamp(1.3rem, 3.5vw, 2rem);
  border: 1px solid var(--border);
  border-radius: 0.9rem;
  background: var(--surface-soft);
}

.cta h2 {
  max-width: 18ch;
  font-size: clamp(1.7rem, 3.5vw, 2.6rem);
}

.command-wrap {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.4rem;
}

.command-wrap code,
.command-wrap button {
  min-height: 2.8rem;
  border: 1px solid var(--border-strong);
  border-radius: 0.5rem;
}

.command-wrap code {
  display: flex;
  align-items: center;
  padding-inline: 0.8rem;
  overflow: auto;
  color: var(--text);
  background: #ffffff;
  font-size: 0.75rem;
  white-space: nowrap;
}

.command-wrap button {
  padding-inline: 0.75rem;
  color: var(--text);
  background: #ffffff;
  cursor: pointer;
  font: inherit;
  font-size: 0.69rem;
  font-weight: 700;
}

.command-wrap button:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.copy-status {
  min-height: 1rem;
  grid-column: 1 / -1;
  color: var(--accent);
  font-size: 0.67rem;
}

footer {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 2rem;
  align-items: center;
  padding-block: 2rem 3rem;
  border-top: 1px solid var(--border);
}

footer p {
  margin: 0;
  color: var(--quiet);
  font-size: 0.75rem;
}

footer > div {
  display: flex;
  gap: 1rem;
  font-size: 0.74rem;
}

@media (max-width: 920px) {
  .audio-examples {
    grid-template-columns: 1fr;
  }

  .cta {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .cta .button {
    justify-self: start;
  }
}

@media (max-width: 720px) {
  .site-header,
  main,
  footer {
    width: min(calc(100% - 1.5rem), var(--max-width));
  }

  .site-header {
    align-items: flex-start;
    padding-block: 1rem;
  }

  nav {
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 0.65rem 1rem;
  }

  .hero {
    padding-block: 3rem 2.75rem;
  }

  .video-grid {
    grid-template-columns: 1fr;
  }

  .pipeline-figure {
    overflow-x: auto;
  }

  .pipeline-image-link {
    width: 48rem;
  }

  .pipeline-figure figcaption {
    min-width: 48rem;
  }

  footer {
    grid-template-columns: 1fr;
    gap: 0.8rem;
  }

  footer > div {
    flex-wrap: wrap;
  }
}

@media (max-width: 480px) {
  h1 {
    font-size: 2.55rem;
  }

  .site-header {
    display: grid;
    gap: 0.9rem;
  }

  nav {
    justify-content: flex-start;
  }

  .hero-actions,
  .hero-actions .button {
    width: 100%;
  }

  .command-wrap {
    grid-template-columns: 1fr;
  }

  .command-wrap button {
    grid-row: 2;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .skip-link {
    transition: none;
  }
}