:root {
  color-scheme: light;
  --bg: #f5f7fb;
  --bg-strong: #ffffff;
  --text: #101318;
  --muted: #5d6572;
  --tertiary: #8a93a2;
  --line: rgba(16, 19, 24, 0.11);
  --line-strong: rgba(16, 19, 24, 0.18);
  --accent: #007aff;
  --accent-soft: rgba(0, 122, 255, 0.11);
  --bookmark: #ff9500;
  --surface: rgba(255, 255, 255, 0.72);
  --surface-solid: #ffffff;
  --shadow: 0 24px 70px rgba(27, 37, 55, 0.14);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --container: min(1160px, calc(100vw - 40px));
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 76% 10%, rgba(0, 122, 255, 0.09), transparent 30%),
    radial-gradient(circle at 12% 48%, rgba(255, 149, 0, 0.08), transparent 28%),
    var(--bg);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
}

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

button {
  font: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: var(--container);
  min-height: 72px;
  margin: 0 auto;
  border-bottom: 1px solid var(--line);
  background: rgba(245, 247, 251, 0.82);
  backdrop-filter: blur(24px);
}

.brand,
.nav,
.hero-actions,
.footer-links {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  font-size: 14px;
  font-weight: 650;
}

.brand img {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
}

.nav {
  gap: 28px;
  color: var(--muted);
  font-size: 14px;
}

.nav a,
.footer-links a {
  transition: color 160ms ease;
}

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

.header-action {
  min-width: 72px;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.68);
  color: var(--text);
  font-size: 14px;
  font-weight: 600;
  text-align: center;
}

.section,
.section-band {
  width: var(--container);
  margin: 0 auto;
}

.section-band {
  padding: 92px 0;
}

.section {
  padding: 76px 0;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(560px, 1.12fr);
  gap: 56px;
  align-items: center;
  min-height: calc(100vh - 72px);
  padding-top: 54px;
}

.hero-copy h1 {
  max-width: 620px;
  margin: 0;
  font-size: clamp(42px, 6vw, 76px);
  line-height: 1.04;
  letter-spacing: 0;
  overflow-wrap: anywhere;
}

.hero-copy p {
  max-width: 590px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 19px;
  line-height: 1.78;
  overflow-wrap: anywhere;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 11px 18px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 650;
  transition:
    transform 160ms ease,
    box-shadow 160ms ease,
    border-color 160ms ease;
}

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

.button.primary {
  border: 1px solid rgba(0, 86, 210, 0.28);
  background: var(--accent);
  color: #fff;
  box-shadow: 0 14px 34px rgba(0, 122, 255, 0.24);
}

.button.secondary {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.72);
  color: var(--text);
}

.hero-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  max-width: 520px;
  margin: 34px 0 0;
}

.hero-facts div {
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.52);
}

.hero-facts dt {
  margin: 0 0 4px;
  color: var(--tertiary);
  font-size: 12px;
}

.hero-facts dd {
  margin: 0;
  font-size: 14px;
  font-weight: 650;
}

.product-stage {
  position: relative;
  min-height: 580px;
}

.ambient {
  position: absolute;
  filter: blur(46px);
  opacity: 0.58;
  pointer-events: none;
}

.ambient-blue {
  right: 5%;
  top: 0;
  width: 280px;
  height: 280px;
  background: rgba(0, 122, 255, 0.23);
}

.ambient-orange {
  left: 10%;
  bottom: 28px;
  width: 230px;
  height: 230px;
  background: rgba(255, 149, 0, 0.2);
}

.real-hero-shot {
  position: relative;
  display: block;
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.82);
  border-radius: 22px;
  box-shadow: var(--shadow);
}

.app-window {
  position: relative;
  overflow: hidden;
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.82);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.64);
  box-shadow: var(--shadow);
  backdrop-filter: blur(30px);
}

.window-toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 44px;
  padding: 0 16px;
  border-bottom: 1px solid var(--line);
  color: var(--tertiary);
  font-size: 12px;
}

.window-toolbar span {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: #ff5f57;
}

.window-toolbar span:nth-child(2) {
  background: #ffbd2e;
}

.window-toolbar span:nth-child(3) {
  background: #28c840;
}

.window-toolbar strong {
  margin-left: auto;
  font-weight: 500;
}

.app-shell {
  display: grid;
  grid-template-columns: 180px minmax(250px, 1fr) 184px;
  min-height: 500px;
}

.playlist,
.subtitle-panel {
  padding: 18px 14px;
  background: rgba(246, 248, 251, 0.78);
}

.playlist {
  border-right: 1px solid var(--line);
}

.subtitle-panel {
  border-left: 1px solid var(--line);
}

.sidebar-title {
  margin: 0 0 14px 4px;
  color: var(--tertiary);
  font-size: 12px;
  font-weight: 650;
}

.track,
.cue {
  width: 100%;
  border: 0;
  text-align: left;
}

.track {
  display: grid;
  gap: 3px;
  margin-bottom: 8px;
  padding: 11px 12px;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text);
}

.track span,
.cue span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.track small {
  color: var(--tertiary);
  font-size: 11px;
}

.track.active {
  background: var(--accent-soft);
}

.player-panel {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: 0;
  padding: 34px 30px 26px;
}

.cover-orb {
  display: grid;
  place-items: center;
  width: 164px;
  height: 164px;
  border: 1px solid rgba(255, 255, 255, 0.74);
  border-radius: 28px;
  background:
    radial-gradient(circle at 32% 30%, rgba(0, 122, 255, 0.28), transparent 45%),
    radial-gradient(circle at 70% 75%, rgba(255, 149, 0, 0.22), transparent 44%),
    rgba(255, 255, 255, 0.48);
  box-shadow: 0 18px 46px rgba(30, 42, 60, 0.14);
}

.cover-orb img {
  width: 92px;
  height: 92px;
  border-radius: 21px;
  box-shadow: 0 14px 28px rgba(15, 22, 32, 0.18);
}

.now-playing {
  max-width: 360px;
  margin-top: 24px;
  text-align: center;
}

.now-playing span {
  color: var(--tertiary);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}

.now-playing h2 {
  margin: 6px 0 8px;
  font-size: 24px;
  line-height: 1.2;
}

.now-playing p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.subtitle-line {
  max-width: 420px;
  margin-top: 28px;
  padding: 12px 16px;
  border: 1px solid rgba(255, 255, 255, 0.74);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.54);
  color: #2f3742;
  font-size: 14px;
  text-align: center;
  box-shadow: 0 10px 30px rgba(30, 42, 60, 0.08);
}

.timeline {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 10px;
  width: 100%;
  max-width: 470px;
  margin-top: 28px;
  color: var(--tertiary);
  font-family: "SF Mono", ui-monospace, monospace;
  font-size: 11px;
}

.rail {
  position: relative;
  height: 5px;
  border-radius: 999px;
  background: rgba(16, 19, 24, 0.12);
}

.rail b {
  position: absolute;
  inset: 0 48% 0 0;
  border-radius: inherit;
  background: var(--accent);
}

.rail i {
  position: absolute;
  top: 50%;
  z-index: 2;
  width: 2px;
  height: 13px;
  border-radius: 999px;
  background: var(--bookmark);
  transform: translateY(-50%);
}

.tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
  margin-bottom: 14px;
}

.tab-button {
  min-height: 32px;
  border: 0;
  border-bottom: 2px solid transparent;
  background: transparent;
  color: var(--tertiary);
  font-size: 12px;
  font-weight: 650;
  cursor: pointer;
}

.tab-button.active {
  border-color: var(--accent);
  color: var(--accent);
}

.cue-list {
  display: grid;
  gap: 8px;
}

.hidden {
  display: none;
}

.cue {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 8px;
  padding: 10px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.44);
  color: var(--tertiary);
  font-family: "SF Mono", ui-monospace, monospace;
  font-size: 11px;
}

.cue span {
  color: var(--muted);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
  font-size: 12px;
}

.cue.active {
  background: var(--accent-soft);
}

.feature-intro {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(320px, 0.72fr);
  gap: 80px;
  align-items: start;
  border-top: 1px solid var(--line);
}

.feature-intro h2,
.section-heading h2,
.compatibility h2,
.release-card h2 {
  margin: 0;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.12;
  letter-spacing: 0;
}

.feature-intro p,
.section-heading p,
.compatibility li,
.release-card p,
.faq p {
  color: var(--muted);
}

.feature-intro p {
  margin: 0;
  font-size: 18px;
  line-height: 1.8;
}

.screenshot-section {
  padding-top: 0;
}

.screenshot-section img {
  display: block;
  width: min(100%, 920px);
  margin: 0 auto;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface-solid);
  box-shadow: var(--shadow);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  padding-top: 0;
}

.feature-card {
  min-height: 245px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.62);
  backdrop-filter: blur(18px);
}

.feature-card.large {
  grid-column: span 2;
}

.feature-card.quiet {
  background:
    linear-gradient(135deg, rgba(0, 122, 255, 0.08), rgba(255, 149, 0, 0.09)),
    rgba(255, 255, 255, 0.62);
}

.feature-icon {
  display: block;
  margin-bottom: 52px;
  color: var(--tertiary);
  font-family: "SF Mono", ui-monospace, monospace;
  font-size: 13px;
}

.feature-card h3 {
  margin: 0 0 10px;
  font-size: 21px;
}

.feature-card p {
  margin: 0;
  color: var(--muted);
}

.workflow {
  border-top: 1px solid var(--line);
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 0.62fr);
  gap: 64px;
  align-items: end;
  margin-bottom: 36px;
}

.section-heading p {
  margin: 0;
  font-size: 17px;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.steps li {
  min-height: 248px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
}

.steps span {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  margin-bottom: 60px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-family: "SF Mono", ui-monospace, monospace;
  font-size: 13px;
}

.steps h3 {
  margin: 0 0 10px;
  font-size: 22px;
}

.steps p {
  margin: 0;
  color: var(--muted);
}

.details {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 420px);
  gap: 18px;
}

.compatibility,
.release-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.66);
  backdrop-filter: blur(18px);
}

.compatibility {
  padding: 32px;
}

.compatibility ul {
  display: grid;
  gap: 14px;
  margin: 32px 0 0;
  padding: 0;
  list-style: none;
}

.compatibility li {
  padding: 14px 0;
  border-top: 1px solid var(--line);
}

.release-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-end;
  padding: 28px;
}

.release-card img {
  width: 74px;
  height: 74px;
  margin-bottom: 62px;
  border-radius: 18px;
  box-shadow: 0 16px 34px rgba(17, 24, 38, 0.16);
}

.release-card h2 {
  font-size: 30px;
}

.release-card p {
  margin: 14px 0 22px;
}

.faq {
  border-top: 1px solid var(--line);
}

.faq-list {
  display: grid;
  gap: 10px;
}

details {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.68);
}

summary {
  cursor: pointer;
  padding: 20px 22px;
  color: var(--text);
  font-size: 17px;
  font-weight: 650;
}

details p {
  margin: 0;
  padding: 0 22px 22px;
}

.site-footer {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 28px;
  width: var(--container);
  margin: 0 auto;
  padding: 42px 0 54px;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.site-footer strong {
  color: var(--text);
}

.site-footer p {
  margin: 6px 0 0;
}

.footer-links {
  gap: 20px;
  font-size: 14px;
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --bg: #0b0d11;
    --bg-strong: #11151b;
    --text: #f5f7fb;
    --muted: #a4adba;
    --tertiary: #727b89;
    --line: rgba(255, 255, 255, 0.11);
    --line-strong: rgba(255, 255, 255, 0.18);
    --surface: rgba(21, 26, 34, 0.66);
    --surface-solid: #151a22;
    --shadow: 0 28px 78px rgba(0, 0, 0, 0.44);
  }

  body {
    background:
      radial-gradient(circle at 76% 10%, rgba(0, 122, 255, 0.16), transparent 30%),
      radial-gradient(circle at 12% 48%, rgba(255, 149, 0, 0.13), transparent 28%),
      var(--bg);
  }

  .site-header {
    background: rgba(11, 13, 17, 0.82);
  }

  .header-action,
  .button.secondary,
  .hero-facts div,
  .app-window,
  .feature-card,
  .compatibility,
  .release-card,
  details {
    background: rgba(21, 26, 34, 0.66);
  }

  .playlist,
  .subtitle-panel {
    background: rgba(15, 19, 25, 0.78);
  }

  .subtitle-line,
  .cue {
    background: rgba(255, 255, 255, 0.08);
    color: #e4e8ef;
  }

  .cover-orb {
    border-color: rgba(255, 255, 255, 0.12);
    background:
      radial-gradient(circle at 32% 30%, rgba(0, 122, 255, 0.24), transparent 45%),
      radial-gradient(circle at 70% 75%, rgba(255, 149, 0, 0.2), transparent 44%),
      rgba(255, 255, 255, 0.08);
  }
}

@media (max-width: 1040px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .product-stage {
    min-height: auto;
  }

  .feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 820px) {
  :root {
    --container: min(calc(100vw - 28px), 680px);
  }

  .site-header {
    min-height: 64px;
  }

  .brand span {
    display: none;
  }

  .nav {
    gap: 16px;
  }

  .section,
  .section-band {
    padding: 56px 0;
  }

  .hero {
    padding-top: 34px;
    gap: 38px;
  }

  .hero-copy,
  .hero-copy h1,
  .hero-copy p {
    max-width: 100%;
    min-width: 0;
  }

  .hero-copy p {
    font-size: 17px;
  }

  .hero-facts,
  .feature-intro,
  .section-heading,
  .details,
  .steps {
    grid-template-columns: 1fr;
  }

  .feature-intro,
  .section-heading {
    gap: 22px;
  }

  .app-window {
    border-radius: 16px;
  }

  .app-shell {
    grid-template-columns: 1fr;
  }

  .playlist {
    display: none;
  }

  .subtitle-panel {
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .player-panel {
    padding: 30px 20px 24px;
  }

  .feature-card.large {
    grid-column: span 1;
  }
}

@media (max-width: 620px) {
  .nav {
    display: none;
  }

  .hero-copy,
  .hero-actions,
  .hero-facts,
  .product-stage {
    width: calc(100vw - 56px);
    max-width: calc(100vw - 56px);
  }

  .header-action {
    min-width: 64px;
  }

  .hero-copy h1 {
    font-size: 40px;
    line-height: 1.1;
    word-break: break-all;
  }

  .hero-copy p {
    font-size: 16px;
    line-height: 1.72;
    word-break: break-all;
  }

  .button {
    width: 100%;
  }

  .hero-actions {
    align-items: stretch;
  }

  .hero-facts,
  .feature-grid {
    grid-template-columns: 1fr;
  }

  .feature-card,
  .steps li,
  .compatibility,
  .release-card {
    padding: 22px;
  }

  .feature-icon,
  .steps span,
  .release-card img {
    margin-bottom: 34px;
  }

  .window-toolbar strong {
    display: none;
  }

  .cover-orb {
    width: 138px;
    height: 138px;
    border-radius: 24px;
  }

  .cover-orb img {
    width: 78px;
    height: 78px;
  }

  .site-footer {
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}
