:root {
  color-scheme: dark;
  --ink: #fff7ff;
  --muted: #c7b8d8;
  --soft: #9785aa;
  --line: rgba(255, 255, 255, 0.14);
  --surface: rgba(24, 11, 36, 0.86);
  --paper: rgba(17, 8, 27, 0.94);
  --panel: rgba(35, 16, 52, 0.78);
  --accent: #ff4fd8;
  --accent-strong: #ff8af0;
  --violet: #9d5cff;
  --cyan: #68f7ff;
  --code: #0b0711;
  --code-line: rgba(255, 79, 216, 0.26);
  --code-text: #f9eafd;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    linear-gradient(180deg, #08040e 0%, #12081e 36%, #08040e 100%);
  color: var(--ink);
  line-height: 1.55;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 66px;
  padding: 0 32px;
  border-bottom: 1px solid var(--line);
  background: rgba(8, 4, 14, 0.86);
  backdrop-filter: blur(18px);
}

.brand,
.nav {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  color: var(--ink);
  font-weight: 800;
  text-decoration: none;
}

.brand-mark {
  width: 20px;
  height: 20px;
  border: 2px solid var(--accent);
  border-radius: 50%;
  background: radial-gradient(circle at 50% 50%, var(--cyan) 0 18%, transparent 20%);
  box-shadow:
    0 0 18px rgba(255, 79, 216, 0.62),
    0 0 34px rgba(157, 92, 255, 0.34);
}

.nav {
  flex-wrap: wrap;
  gap: 18px;
  color: var(--muted);
  font-size: 14px;
}

.nav a {
  text-decoration: none;
}

.nav a:hover {
  color: var(--accent-strong);
}

.hero {
  position: relative;
  min-height: min(740px, calc(100svh - 66px));
  display: flex;
  align-items: center;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(circle at 18% 18%, rgba(255, 79, 216, 0.18), transparent 32%),
    radial-gradient(circle at 78% 34%, rgba(104, 247, 255, 0.12), transparent 30%),
    linear-gradient(135deg, #090511 0%, #1d0b30 48%, #0a0310 100%);
}

#waveform {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(8, 4, 14, 0.96), rgba(13, 6, 24, 0.76) 48%, rgba(13, 6, 24, 0.16)),
    linear-gradient(0deg, rgba(8, 4, 14, 0.78), rgba(8, 4, 14, 0.04));
}

.hero-content {
  position: relative;
  z-index: 2;
  width: min(900px, calc(100% - 48px));
  margin: 0 auto;
  padding: 92px 0 118px;
}

.eyebrow,
.section-label {
  margin: 0 0 14px;
  color: var(--accent-strong);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  margin: 0;
  max-width: 860px;
  font-size: clamp(56px, 10vw, 132px);
  line-height: 0.9;
  letter-spacing: 0;
  text-shadow: 0 0 40px rgba(255, 79, 216, 0.28);
}

h2 {
  margin: 0;
  font-size: clamp(30px, 5vw, 56px);
  line-height: 1.02;
  letter-spacing: 0;
}

h3 {
  margin: 0 0 10px;
  font-size: 19px;
  line-height: 1.2;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 680px;
  margin: 28px 0 0;
  color: var(--muted);
  font-size: clamp(18px, 2.5vw, 24px);
  line-height: 1.42;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button,
button {
  font: inherit;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 8px;
  font-weight: 800;
  text-decoration: none;
}

.button.primary {
  border-color: transparent;
  background: linear-gradient(135deg, var(--accent), var(--violet));
  color: #08040e;
  box-shadow: 0 16px 42px rgba(255, 79, 216, 0.28);
}

.button.secondary {
  background: rgba(255, 255, 255, 0.06);
  color: var(--ink);
}

.button:hover,
.copy-command:hover,
.preset-tab:hover {
  border-color: rgba(255, 138, 240, 0.78);
}

.band {
  background: #08040e;
  color: var(--ink);
}

.feature-grid,
.section,
.footer {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  padding: 1px 0;
  background: var(--line);
}

.feature-grid article {
  min-height: 220px;
  padding: 32px;
  background: linear-gradient(180deg, rgba(34, 14, 52, 0.95), rgba(15, 7, 25, 0.98));
}

.feature-grid p,
.use-case-grid p {
  margin: 0;
  color: var(--muted);
}

.section {
  padding: 88px 0;
}

.two-column,
.split {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: 52px;
  align-items: start;
}

.split.reverse {
  grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
}

.section p {
  max-width: 620px;
  margin: 20px 0 0;
  color: var(--muted);
  font-size: 17px;
}

code {
  padding: 2px 5px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--ink);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.92em;
}

.command-list {
  display: grid;
  gap: 12px;
}

.command-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  align-items: stretch;
}

pre {
  margin: 0;
  overflow-x: auto;
  border-radius: 8px;
  background: var(--code);
  color: var(--code-text);
}

pre code {
  display: block;
  min-width: 0;
  padding: 18px 20px;
  border-radius: 0;
  background: transparent;
  color: inherit;
  font: 14px/1.65 ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  white-space: pre;
}

.code-panel,
.preset-panel,
.demo-console {
  border: 1px solid var(--code-line);
  box-shadow: 0 20px 56px rgba(0, 0, 0, 0.34), 0 0 34px rgba(157, 92, 255, 0.12);
}

.copy-command {
  min-width: 78px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--ink);
  font-weight: 800;
  cursor: pointer;
}

.copy-command.copied {
  border-color: rgba(104, 247, 255, 0.72);
  color: var(--cyan);
}

.preset-panel {
  overflow: hidden;
  border-radius: 8px;
  background: var(--paper);
}

.preset-tabs {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
}

.preset-tab {
  min-height: 46px;
  border: 0;
  background: rgba(255, 255, 255, 0.06);
  color: var(--muted);
  font-weight: 800;
  cursor: pointer;
}

.preset-tab.active {
  background: linear-gradient(135deg, rgba(255, 79, 216, 0.22), rgba(157, 92, 255, 0.22));
  color: var(--ink);
}

.preset-readout {
  padding: 26px;
}

.preset-kicker {
  margin: 0 0 10px;
  color: var(--cyan);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.preset-readout p {
  margin-top: 10px;
}

.preset-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 24px 0 0;
}

.preset-stats div {
  min-height: 96px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.05);
}

.preset-stats dt {
  color: var(--soft);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.preset-stats dd {
  margin: 8px 0 0;
  color: var(--ink);
  font-weight: 800;
}

.use-cases,
.demo-section {
  border-top: 1px solid var(--line);
}

.demo-header {
  max-width: 760px;
}

.source-header {
  margin-top: 52px;
}

.demo-console {
  margin-top: 28px;
  padding: 24px;
  border-radius: 8px;
  background: linear-gradient(180deg, rgba(31, 13, 48, 0.88), rgba(13, 6, 22, 0.96));
}

.audio-demo {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 430px);
  gap: 24px;
  align-items: center;
}

.audio-demo h3 {
  margin: 0;
}

.audio-demo p {
  margin-top: 8px;
  font-size: 15px;
}

.audio-demo audio {
  width: 100%;
  accent-color: var(--accent);
}

.demo-meter {
  display: grid;
  grid-template-columns: repeat(16, 1fr);
  gap: 8px;
  align-items: end;
  height: 96px;
  margin-top: 24px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(8, 4, 14, 0.5);
}

.demo-meter span {
  display: block;
  min-height: 10px;
  border-radius: 999px 999px 4px 4px;
  background: linear-gradient(180deg, var(--accent-strong), var(--violet));
  transform-origin: bottom;
  opacity: 0.72;
}

.transition-timeline {
  position: relative;
  display: grid;
  grid-template-columns: 42fr 22fr 36fr;
  gap: 8px;
  margin-top: 18px;
  overflow: hidden;
}

.timeline-track {
  min-height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.timeline-a {
  background: rgba(157, 92, 255, 0.18);
}

.timeline-x {
  background: rgba(255, 79, 216, 0.24);
}

.timeline-b {
  background: rgba(104, 247, 255, 0.14);
}

.timeline-playhead {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 3px;
  border-radius: 999px;
  background: var(--accent-strong);
  box-shadow: 0 0 18px rgba(255, 138, 240, 0.8);
}

.demo-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 34px;
}

.demo-grid article,
.use-case-grid article {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.demo-grid p {
  margin-top: 10px;
  font-size: 14px;
}

.demo-grid a {
  color: var(--accent-strong);
}

.demo-command {
  margin-top: 18px;
}

.use-case-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 28px;
}

.use-case-grid article {
  min-height: 190px;
}

.use-case-grid p {
  color: var(--muted);
}

.footer {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  padding: 34px 0 48px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}

.footer a {
  text-decoration: none;
}

.footer a:hover {
  color: var(--accent-strong);
}

@media (max-width: 900px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    padding: 16px 20px;
  }

  .nav {
    gap: 14px;
  }

  .hero {
    min-height: 700px;
  }

  .hero::after {
    background: rgba(8, 4, 14, 0.78);
  }

  .feature-grid,
  .two-column,
  .split,
  .split.reverse,
  .audio-demo,
  .demo-grid,
  .use-case-grid {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 64px 0;
  }

  .feature-grid article,
  .use-case-grid article {
    min-height: auto;
  }

  .feature-grid article {
    padding: 24px;
  }

  .preset-tabs,
  .preset-stats {
    grid-template-columns: 1fr 1fr;
  }

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

  .copy-command {
    min-height: 42px;
  }

  pre code {
    font-size: 13px;
  }
}

@media (max-width: 560px) {
  .feature-grid,
  .section,
  .footer {
    width: min(100% - 32px, 1180px);
  }

  .hero-content {
    width: min(100% - 32px, 900px);
    padding-top: 74px;
  }

  .preset-tabs,
  .preset-stats,
  .transition-timeline {
    grid-template-columns: 1fr;
  }

  .demo-meter {
    gap: 5px;
    padding: 12px;
  }
}