* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--text);
  background: var(--background-main, var(--bg));
  line-height: 1.6;
  position: relative;
  min-height: 100vh;
}

.landing-shader-background {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

#landing-shader-canvas {
  display: block;
  width: 100vw;
  height: 100vh;
}

main,
.site-footer {
  position: relative;
  z-index: 1;
}

body.theme-modern,
body.theme-modern-light {
  --managed-video-placeholder-bg: #fff;
}

@media (prefers-color-scheme: dark) {
  body.theme-modern {
    --managed-video-placeholder-bg: #000;
  }
}

body.theme-modern-dark,
body.theme-modern-red-alert {
  --managed-video-placeholder-bg: #000;
}

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

a:hover,
a:focus {
  color: var(--accent);
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.75rem max((100vw - var(--max-width)) / 2, 1.5rem);
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--bg) 90%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.brand a {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: 'Inter', system-ui, sans-serif;
  font-weight: 700;
  letter-spacing: 0.04em;
  font-size: 1.1rem;
}

.brand a::before {
  content: '';
  display: inline-block;
  width: 28px;
  height: 28px;
  background: url('/logo.png') center / contain no-repeat;
  flex-shrink: 0;
}

.site-nav {
  display: flex;
  gap: 1.5rem;
  font-size: 0.95rem;
}

.header-cta {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.2rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, border 0.2s ease;
}

.button.primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #fff;
  box-shadow: 0 18px 40px color-mix(in srgb, var(--accent) 35%, transparent);
}

.button.primary:hover,
.button.primary:focus {
  transform: translateY(-2px);
  box-shadow: 0 18px 45px color-mix(in srgb, var(--accent) 45%, transparent);
}

.button.secondary {
  background: color-mix(in srgb, var(--text) 4%, transparent);
  border-color: var(--border);
  color: var(--text);
}

.button.secondary:hover,
.button.secondary:focus {
  border-color: color-mix(in srgb, var(--text) 25%, transparent);
  transform: translateY(-1px);
}

.button.ghost {
  background: transparent;
  border: 1px solid color-mix(in srgb, var(--text) 15%, transparent);
  color: var(--text);
}

main {
  padding: 0 1.5rem 5rem;
}

section {
  margin: 0 auto;
  padding: 4.5rem 0;
  max-width: var(--max-width);
}

.hero {
  display: grid;
  gap: 2.5rem;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  align-items: stretch;
  padding-top: 4.5rem;
}



.hero-copy {
  display: flex;
  flex-direction: column;
  gap: clamp(1.4rem, 2.5vw, 2.1rem);
  align-self: stretch;
  height: 100%;
  min-height: 100%;
}

.hero-copy h1 {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: clamp(2rem, 4vw, 3.3rem);
  line-height: 1.1;
  margin: 0 0 2rem 0;
}

.hero-copy p {
  margin: 0;
  color: var(--text-muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1.5rem 0 2rem;
}

.hero-highlights {
  display: grid;
  gap: 2.1rem;
  margin: 0;
}

.hero-copy .hero-actions {
  margin: clamp(0.75rem, 2vw, 1.5rem) 0 0;
}

.hero-copy .hero-highlights {
  margin-top: auto;
  padding-top: clamp(1.25rem, 2vw, 2rem);
}

.hero-highlights dt {
  font-weight: 600;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  /* Use theme-aware text color for contrast in light and dark */
  color: var(--text);
}

.hero-highlights dd {
  margin: 0.4rem 0 0;
  color: var(--text-muted);
}

.hero-media {
  display: grid;
  gap: 1.5rem;
}

.audio-demo,
.hero-card {
  background: color-mix(in srgb, var(--surface) 90%, transparent);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
}

.hero-card {
  margin: 0;
  width: 100%;
}

.hero-card.hero-copy {
  padding: clamp(1.9rem, 3vw, 2.6rem);
}

.audio-demo figcaption {
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.audio-demo audio {
  width: 100%;
  margin-bottom: 0.5rem;
}

/* Hero media enhancements */
.hero-video video {
  width: 100%;
  height: auto;
  display: block;
  background: var(--managed-video-placeholder-bg, #000);
  border-radius: calc(var(--radius) - 6px);
  border: 1px solid var(--border);
  box-shadow: 0 18px 32px color-mix(in srgb, var(--bg) 45%, transparent);
}

.hero-video figcaption {
  margin-top: 0.75rem;
  color: var(--text-muted);
}

.hero-samples h2 {
  margin-top: 0;
  font-size: 1.1rem;
}

.sample-list {
  display: grid;
  gap: 0.75rem;
  margin: 0.5rem 0 0;
}

.sample-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.35rem;
}

.sample-item label {
  font-weight: 600;
  font-size: 0.95rem;
}

.sample-item audio {
  width: 100%;
}

.hero-card h2 {
  margin-top: 0;
  font-size: 1.1rem;
}

.hero-card ol {
  margin: 0;
  padding-left: 1.2rem;
  color: var(--text-muted);
}

.how-it-works h2,
.use-cases h2,
.what-is h2,
.features h2,
.resources h2,
.pricing h2,
.faq h2 {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 2rem;
  margin-bottom: 2rem;
}

.steps {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.steps article {
  background: color-mix(in srgb, var(--surface) 75%, transparent);
  border-radius: var(--radius);
  padding: 1.75rem;
  border: 1px solid var(--border);
}

.steps h3 {
  margin-top: 0;
  font-size: 1.1rem;
}

.use-case-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.use-card {
  display: block;
  padding: 1.75rem;
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--surface) 85%, transparent);
  border: 1px solid var(--border);
  transition: transform 0.2s ease, border 0.2s ease;
}

.use-card:hover,
.use-card:focus {
  transform: translateY(-4px);
  border-color: color-mix(in srgb, var(--accent) 45%, transparent);
}

.what-is {
  text-align: center;
}

.what-is p {
  max-width: 720px;
  margin: 0 auto;
  color: var(--text-muted);
}

.features {
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: clamp(2.5rem, 5vw, 4rem);
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.features-heading h2 {
  margin-bottom: 1rem;
}

.features-heading p {
  margin: 0;
  max-width: 680px;
  color: var(--text-muted);
}

.feature-grid {
  display: grid;
  gap: 2.5rem;
}

.feature-card {
  display: flex;
  flex-direction: column;
  gap: clamp(1.75rem, 3vw, 2.5rem);
  background: color-mix(in srgb, var(--surface) 75%, transparent);
  border-radius: calc(var(--radius) - 4px);
  border: 1px solid var(--border);
  padding: clamp(2rem, 4vw, 3rem);
  box-shadow: 0 24px 40px color-mix(in srgb, var(--bg) 55%, transparent);
}

.feature-layout {
  display: grid;
  gap: clamp(1.5rem, 3vw, 2.5rem);
  grid-template-columns: minmax(320px, 1.1fr) minmax(320px, 1fr);
  align-items: start;
}

.feature-copy {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-inline-size: 64ch;
}

.feature-kicker {
  margin: 0;
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--text) 65%, transparent);
}

.feature-summary {
  font-weight: 600;
  margin-bottom: 0.25rem;
  color: var(--text);
}

.feature-demo {
  margin-top: 0.5rem;
}

.feature-demo audio {
  width: 100%;
  margin-top: 0.35rem;
}

.feature-demo-label {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.feature-links {
  margin-top: auto;
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  align-items: center;
}

.feature-cta {
  font-size: 0.95rem;
  padding-inline: 1.4rem;
}

.feature-media {
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 1rem;
  text-align: left;
  color: var(--text-muted);
}

.feature-media img,
.feature-media video {
  border-radius: calc(var(--radius) - 6px);
  border: 1px solid var(--border);
  width: 100%;
  height: auto;
  box-shadow: 0 18px 32px color-mix(in srgb, var(--bg) 45%, transparent);
}

.feature-video {
  aspect-ratio: 16 / 9;
  background: var(--managed-video-placeholder-bg, #000);
}

.js-managed-video {
  cursor: pointer;
  background: var(--managed-video-placeholder-bg, #000);
}

.video-overlay-container {
  position: relative;
  width: 100%;
  line-height: 0;
}

.video-overlay-container .js-managed-video {
  display: block;
}

.video-overlay-controls {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0.68rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 0.7rem;
  opacity: 0;
  transform: translateY(6px);
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.video-overlay-container:hover .video-overlay-controls,
.video-overlay-container:focus-within .video-overlay-controls {
  opacity: 1;
  transform: translateY(0);
}

.video-overlay-btn {
  width: 2.2rem;
  height: 2.2rem;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, #fff 28%, transparent);
  background: color-mix(in srgb, #07090c 70%, transparent);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
  pointer-events: auto;
  transition: transform 0.16s ease, border-color 0.16s ease, background 0.16s ease;
  backdrop-filter: blur(4px);
}

.video-overlay-btn--fullscreen {
  font-size: 1rem;
}

.video-overlay-btn .material-symbols-outlined {
  font-family: 'Material Symbols Outlined';
  font-size: 1.15rem;
  line-height: 1;
  font-variation-settings: 'FILL' 0, 'wght' 500, 'GRAD' 0, 'opsz' 24;
  user-select: none;
}

.video-overlay-btn:hover,
.video-overlay-btn:focus-visible {
  border-color: color-mix(in srgb, var(--accent) 48%, #fff 22%);
  background: color-mix(in srgb, #07090c 58%, var(--accent) 14%);
  transform: translateY(-1px);
  outline: none;
}

.feature-card-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.feature-info-card {
  background: color-mix(in srgb, var(--surface) 70%, transparent);
  border-radius: calc(var(--radius) - 6px);
  border: 1px solid var(--border);
  padding: clamp(1.2rem, 2vw, 1.6rem);
  display: grid;
  gap: 0.75rem;
  color: var(--text-muted);
}

.feature-info-card h4 {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
}

.feature-info-card ul {
  margin: 0;
  padding-left: 1.1rem;
  display: grid;
  list-style: disc;
  gap: 0.4rem;
}

.feature-info-card a {
  color: var(--accent);
  font-weight: 600;
}

.feature-illustration {
  max-width: 100%;
  height: auto;
}

.feature-support {
  background: color-mix(in srgb, var(--surface) 65%, transparent);
  border-radius: calc(var(--radius) - 6px);
  border: 1px solid var(--border);
  padding: clamp(1.75rem, 4vw, 2.5rem);
  display: grid;
  gap: 1.25rem;
}

.feature-support h3 {
  margin: 0;
  font-size: 1.2rem;
}

.feature-support ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.75rem;
  color: var(--text-muted);
}

.feature-support li strong {
  color: var(--text);
}

.feature-support a {
  color: var(--accent);
  font-weight: 600;
}

.feature-note {
  margin: 0;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.resources {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: linear-gradient(140deg, color-mix(in srgb, var(--accent) 15%, transparent), color-mix(in srgb, var(--accent-strong) 20%, transparent));
  border-radius: var(--radius);
  padding: 3rem;
}

.resources-content {
  max-width: 640px;
}

.resource-actions {
  margin-top: 1.5rem;
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.pricing {
  text-align: center;
}

.pricing p {
  margin-bottom: 1.5rem;
  color: var(--text-muted);
}

.faq {
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 3rem;
}

.faq-item + .faq-item {
  margin-top: 1.5rem;
  border-top: 1px solid color-mix(in srgb, var(--text) 6%, transparent);
  padding-top: 1.5rem;
}

.faq h3 {
  margin-bottom: 0.75rem;
}

.site-footer {
  text-align: center;
  padding: 3rem 1.5rem;
  border-top: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg) 95%, transparent);
  color: var(--text-muted);
}

.site-footer nav {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin: 1.5rem 0;
}

@media (max-width: 768px) {
  .site-header {
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
  }

  .site-nav {
    flex-wrap: wrap;
    justify-content: center;
  }

  .header-cta {
    width: 100%;
    justify-content: center;
  }

  .hero {
    padding-top: 2.5rem;
  }

  .feature-card {
    padding: 1.75rem;
  }

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

  .feature-copy {
    max-inline-size: none;
  }

  .feature-media {
    align-items: flex-start;
    text-align: left;
  }
}