:root {
  color-scheme: dark;
  --bg: #0b0d11;
  --bg-soft: #0f1319;
  --panel: #14171d;
  --panel-2: #191d24;
  --line: #262a32;
  --line-soft: #1e222a;
  --text: #eaeef3;
  --dim: #98a1ad;
  --faint: #697280;
  --accent: #3b82f6;
  --accent-2: #60a5fa;
  --accent-soft: rgba(59, 130, 246, 0.14);
  --good: #34d399;
  --mono: ui-monospace, "SFMono-Regular", "Cascadia Code", "Roboto Mono", Consolas, monospace;
  --sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --max: 1160px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

code,
pre {
  font-family: var(--mono);
}

.wrap {
  width: min(calc(100% - 40px), var(--max));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 100;
  padding: 10px 14px;
  border-radius: 8px;
  background: white;
  color: #111;
  transform: translateY(-150%);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(11, 13, 17, 0.84);
  backdrop-filter: blur(18px);
}

.nav-wrap {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-size: 17px;
  font-weight: 750;
  letter-spacing: -0.35px;
}

.brand img {
  border-radius: 10px;
}

nav {
  display: flex;
  align-items: center;
  gap: 28px;
  color: var(--dim);
  font-size: 14px;
}

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

.nav-github {
  padding: 7px 13px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--text);
  background: var(--panel);
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 106px 0 96px;
  border-bottom: 1px solid var(--line-soft);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.24;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(to bottom, black, transparent 88%);
}

.hero-glow {
  position: absolute;
  width: 760px;
  height: 760px;
  right: -180px;
  top: -330px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.18), transparent 66%);
  pointer-events: none;
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  align-items: center;
  gap: 70px;
}

.release-strip {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 7px 11px;
  border: 1px solid rgba(96, 165, 250, 0.24);
  border-radius: 999px;
  background: rgba(59, 130, 246, 0.08);
  color: #b9d7ff;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.release-strip i {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--accent-2);
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 680px;
  margin: 24px 0 22px;
  font-size: clamp(43px, 5.2vw, 68px);
  line-height: 1.03;
  letter-spacing: -0.055em;
}

h1 code {
  color: var(--accent-2);
  font-size: 0.83em;
  letter-spacing: -0.045em;
}

.hero-lead {
  max-width: 620px;
  margin-bottom: 30px;
  color: #b5bdc8;
  font-size: 18px;
  line-height: 1.68;
}

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

.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 11px 18px;
  border: 1px solid transparent;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 700;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button.primary {
  color: white;
  background: linear-gradient(135deg, var(--accent-2), var(--accent));
  box-shadow: 0 12px 32px rgba(37, 99, 235, 0.23);
}

.button.secondary {
  border-color: var(--line);
  background: var(--panel);
  color: var(--text);
}

.button.secondary:hover {
  border-color: #3a414d;
  background: var(--panel-2);
}

.button-icon {
  font-size: 18px;
  line-height: 1;
}

.prerequisite {
  max-width: 590px;
  margin: 15px 0 0;
  color: var(--faint);
  font-size: 12px;
  line-height: 1.55;
}

.prerequisite code {
  color: var(--dim);
}

.prerequisite a {
  color: var(--dim);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.prerequisite a:hover {
  color: var(--text);
}

.trust-list {
  display: flex;
  flex-wrap: wrap;
  gap: 17px;
  margin: 23px 0 0;
  padding: 0;
  color: var(--dim);
  font-size: 12px;
  list-style: none;
}

.trust-list li {
  display: flex;
  align-items: center;
  gap: 7px;
}

.trust-list span {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--good);
  box-shadow: 0 0 9px rgba(52, 211, 153, 0.6);
}

.app-stage {
  position: relative;
  min-width: 0;
  perspective: 1200px;
}

.app-window {
  overflow: hidden;
  border: 1px solid #2c323c;
  border-radius: 16px;
  background: var(--panel);
  box-shadow: 0 40px 90px rgba(0, 0, 0, 0.43), 0 0 0 8px rgba(255, 255, 255, 0.018);
  transform: rotateY(-3deg) rotateX(1deg);
}

.window-bar {
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 13px 16px;
  border-bottom: 1px solid var(--line);
  background: #11141a;
}

.window-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.window-brand img {
  border-radius: 7px;
}

.window-brand strong,
.window-brand small {
  display: block;
}

.window-brand strong {
  font-size: 13px;
  line-height: 1.25;
}

.window-brand small {
  color: var(--faint);
  font-size: 9px;
}

.offline {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--good);
  font-family: var(--mono);
  font-size: 9px;
  text-transform: uppercase;
}

.offline b {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--good);
}

.window-body {
  padding: 24px;
}

.window-body label {
  display: block;
  margin: 0 0 7px;
  color: #cbd1da;
  font-size: 10px;
  font-weight: 700;
}

.fake-input {
  min-width: 0;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  min-height: 45px;
  margin-bottom: 15px;
  padding: 7px 9px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--panel-2);
  font-family: var(--mono);
  font-size: 9px;
}

.file-chip {
  padding: 3px 6px;
  border: 1px solid rgba(96, 165, 250, 0.3);
  border-radius: 5px;
  background: var(--accent-soft);
  color: #b9d7ff;
  font-weight: 700;
}

.file-chip.mp4 {
  border-color: rgba(52, 211, 153, 0.3);
  background: rgba(52, 211, 153, 0.1);
  color: #8be8c5;
}

.filename {
  overflow: hidden;
  color: #cad1db;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.browse {
  padding: 5px 8px;
  border: 1px solid #343a45;
  border-radius: 6px;
  color: #cbd1db;
}

.muted-input {
  opacity: 0.82;
}

.checks {
  display: flex;
  gap: 17px;
  margin: 2px 0 19px;
  color: var(--dim);
  font-size: 10px;
}

.checks span::first-letter {
  color: var(--good);
}

.convert-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-top: 17px;
  border-top: 1px solid var(--line-soft);
}

.convert-row small,
.convert-row strong {
  display: block;
}

.convert-row small {
  color: var(--faint);
  font-size: 8px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.convert-row strong {
  margin-top: 2px;
  font-family: var(--mono);
  font-size: 10px;
}

.convert-button {
  padding: 8px 13px;
  border-radius: 7px;
  background: linear-gradient(135deg, var(--accent-2), var(--accent));
  color: white;
  font-size: 9px;
  font-weight: 700;
}

.progress-head {
  display: flex;
  justify-content: space-between;
  margin: 22px 0 7px;
  color: var(--dim);
  font-size: 9px;
}

.progress-head strong {
  color: #c7dfff;
  font-family: var(--mono);
}

.progress {
  overflow: hidden;
  height: 5px;
  border-radius: 999px;
  background: #242a33;
}

.progress i {
  display: block;
  width: 68%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 18px rgba(59, 130, 246, 0.55);
}

.format-float {
  position: absolute;
  z-index: 2;
  min-width: 82px;
  padding: 10px 12px;
  border: 1px solid #303744;
  border-radius: 10px;
  background: rgba(20, 23, 29, 0.95);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.35);
  font-family: var(--mono);
}

.format-float span,
.format-float strong {
  display: block;
}

.format-float span {
  color: var(--faint);
  font-size: 8px;
  text-transform: uppercase;
}

.format-float strong {
  margin-top: 2px;
  color: var(--accent-2);
  font-size: 16px;
}

.float-one {
  top: -25px;
  right: 24px;
  transform: rotate(3deg);
}

.float-two {
  bottom: -30px;
  left: -22px;
  transform: rotate(-4deg);
}

.float-two strong {
  color: var(--good);
}

.proof-bar {
  border-bottom: 1px solid var(--line-soft);
  background: #0d1015;
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.proof-grid div {
  padding: 25px 24px;
  border-right: 1px solid var(--line-soft);
}

.proof-grid div:first-child {
  border-left: 1px solid var(--line-soft);
}

.proof-grid strong,
.proof-grid span {
  display: block;
}

.proof-grid strong {
  color: #d7e8ff;
  font-family: var(--mono);
  font-size: 13px;
}

.proof-grid span {
  margin-top: 3px;
  color: var(--faint);
  font-size: 10px;
}

.section {
  padding: 110px 0;
}

.section-heading {
  max-width: 700px;
  margin-bottom: 48px;
}

.section-heading.compact {
  margin-bottom: 32px;
}

.eyebrow {
  margin-bottom: 13px;
  color: var(--accent-2);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.065em;
  text-transform: uppercase;
}

h2 {
  margin-bottom: 17px;
  font-size: clamp(33px, 4vw, 50px);
  line-height: 1.08;
  letter-spacing: -0.045em;
}

.section-heading > p:last-child,
.technical-lead {
  color: var(--dim);
  font-size: 17px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.feature-card {
  min-height: 285px;
  position: relative;
  overflow: hidden;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: linear-gradient(145deg, var(--panel), #101318);
}

.feature-card::after {
  content: "";
  position: absolute;
  width: 180px;
  height: 180px;
  right: -80px;
  bottom: -100px;
  border-radius: 50%;
  background: rgba(96, 165, 250, 0.035);
}

.feature-card.accent-card {
  border-color: rgba(96, 165, 250, 0.32);
  background: linear-gradient(145deg, rgba(59, 130, 246, 0.13), var(--panel) 58%);
}

.feature-number {
  color: var(--accent-2);
  font-family: var(--mono);
  font-size: 10px;
}

.feature-card h3 {
  margin: 25px 0 10px;
  font-size: 20px;
  letter-spacing: -0.025em;
}

.feature-card p {
  max-width: 480px;
  margin-bottom: 26px;
  color: var(--dim);
  font-size: 14px;
}

.overlay-demo {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 10px 12px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 7px;
  background: #080a0d;
  color: white;
  font-family: var(--mono);
  font-size: 9px;
}

.time-demo {
  height: 38px;
  display: flex;
  align-items: end;
  gap: 8px;
}

.time-demo i {
  width: var(--w);
  height: 24px;
  border: 1px solid rgba(96, 165, 250, 0.28);
  border-radius: 4px 4px 1px 1px;
  background: var(--accent-soft);
}

.wave-demo {
  height: 40px;
  display: flex;
  align-items: center;
  gap: 5px;
}

.wave-demo i {
  width: 4px;
  height: 12px;
  border-radius: 999px;
  background: var(--good);
  opacity: 0.72;
}

.wave-demo i:nth-child(2n) { height: 26px; }
.wave-demo i:nth-child(3n) { height: 36px; }
.wave-demo i:nth-child(5n) { height: 18px; }

.encoder-demo {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  font-family: var(--mono);
  font-size: 9px;
}

.encoder-demo span,
.encoder-demo b {
  padding: 6px 8px;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--dim);
  background: var(--panel-2);
}

.encoder-demo b {
  border-color: rgba(52, 211, 153, 0.3);
  color: var(--good);
  background: rgba(52, 211, 153, 0.09);
}

.technical-section {
  border-block: 1px solid var(--line-soft);
  background: #0d1015;
}

.technical-grid {
  display: grid;
  grid-template-columns: 0.86fr 1.14fr;
  align-items: center;
  gap: 90px;
}

.technical-lead {
  max-width: 520px;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: #c8ddfa;
  font-size: 14px;
  font-weight: 700;
}

.text-link span {
  color: var(--accent-2);
  transition: transform 150ms ease;
}

.text-link:hover span {
  transform: translateX(4px);
}

.code-card {
  overflow: hidden;
  border: 1px solid #2d333d;
  border-radius: 13px;
  background: #090b0e;
  box-shadow: 0 28px 65px rgba(0, 0, 0, 0.28);
}

.code-title {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 11px 14px;
  border-bottom: 1px solid var(--line-soft);
  background: #11141a;
}

.code-title span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #343a44;
}

.code-title b {
  margin-left: 7px;
  color: var(--faint);
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 500;
}

.code-card pre {
  margin: 0;
  padding: 28px;
  overflow-x: auto;
  color: #d5dbe3;
  font-size: 12px;
  line-height: 1.75;
}

.code-dim { color: #606977; }
.code-blue { color: #7db6ff; }
.code-green { color: #63dfb1; }

.steps-section {
  padding-bottom: 80px;
}

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

.steps li {
  display: flex;
  gap: 16px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: var(--panel);
}

.steps li > span {
  flex: 0 0 30px;
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(96, 165, 250, 0.3);
  border-radius: 8px;
  background: var(--accent-soft);
  color: var(--accent-2);
  font-family: var(--mono);
  font-size: 11px;
}

.steps h3 {
  margin: 2px 0 7px;
  font-size: 15px;
}

.steps p {
  margin: 0;
  color: var(--dim);
  font-size: 12px;
}

.faq-section {
  padding-top: 70px;
}

.faq-grid {
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  gap: 80px;
}

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

details {
  border-bottom: 1px solid var(--line);
}

summary {
  padding: 20px 38px 20px 0;
  position: relative;
  cursor: pointer;
  font-weight: 700;
  list-style: none;
}

summary::-webkit-details-marker {
  display: none;
}

summary::after {
  content: "+";
  position: absolute;
  right: 2px;
  color: var(--accent-2);
  font-family: var(--mono);
  font-size: 18px;
  font-weight: 400;
}

details[open] summary::after {
  content: "−";
}

details p {
  max-width: 680px;
  margin: -4px 0 21px;
  color: var(--dim);
  font-size: 14px;
}

.closing-section {
  padding: 20px 0 110px;
}

.closing-card {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 25px;
  padding: 36px;
  border: 1px solid rgba(96, 165, 250, 0.3);
  border-radius: 18px;
  background:
    radial-gradient(circle at 80% 20%, rgba(59, 130, 246, 0.14), transparent 34%),
    linear-gradient(145deg, #141922, var(--panel));
}

.closing-card img {
  border-radius: 16px;
}

.closing-card .eyebrow {
  margin-bottom: 7px;
}

.closing-actions {
  display: grid;
  justify-items: center;
  gap: 9px;
}

.closing-actions p {
  margin: 0;
  color: var(--faint);
  font-size: 13px;
}

.closing-card h2 {
  max-width: 660px;
  margin: 0;
  font-size: clamp(25px, 3vw, 36px);
}

footer {
  padding: 48px 0 25px;
  border-top: 1px solid var(--line-soft);
  background: #090b0e;
}

.footer-grid {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 30px;
}

.footer-brand {
  font-size: 15px;
}

footer p {
  margin: 10px 0 0;
  color: var(--faint);
  font-size: 12px;
}

footer p a {
  color: var(--dim);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  color: var(--dim);
  font-size: 12px;
}

.legal-line {
  margin-top: 38px;
  padding-top: 20px;
  border-top: 1px solid var(--line-soft);
  color: #565e69;
  font-size: 10px;
}

@media (max-width: 950px) {
  .hero {
    padding-top: 76px;
  }

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

  .hero-grid {
    gap: 75px;
  }

  .hero-copy {
    max-width: 730px;
  }

  .app-stage {
    width: min(100%, 650px);
    margin-inline: auto;
  }

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

  .proof-grid div:nth-child(3) {
    border-left: 1px solid var(--line-soft);
  }

  .proof-grid div:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line-soft);
  }

  .technical-grid {
    gap: 40px;
  }

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

  .faq-grid {
    grid-template-columns: 1fr;
    gap: 25px;
  }

  .closing-card {
    grid-template-columns: auto 1fr;
  }

  .closing-actions {
    grid-column: 1 / -1;
  }
}

@media (max-width: 680px) {
  .wrap {
    width: min(calc(100% - 28px), var(--max));
  }

  .nav-wrap {
    min-height: 64px;
  }

  nav a:not(.nav-github) {
    display: none;
  }

  .hero {
    padding: 58px 0 72px;
  }

  h1 {
    font-size: clamp(39px, 12vw, 54px);
  }

  .hero-lead {
    font-size: 16px;
  }

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

  .trust-list {
    gap: 10px 15px;
  }

  .app-window {
    transform: none;
  }

  .float-one {
    right: 8px;
  }

  .float-two {
    left: 8px;
  }

  .window-body {
    padding: 17px;
  }

  .filename {
    max-width: 155px;
  }

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

  .proof-grid div,
  .proof-grid div:first-child,
  .proof-grid div:nth-child(3) {
    border-left: 1px solid var(--line-soft);
    border-right: 1px solid var(--line-soft);
    border-bottom: 1px solid var(--line-soft);
  }

  .proof-grid div:last-child {
    border-bottom: 0;
  }

  .section {
    padding: 78px 0;
  }

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

  .feature-card {
    min-height: 260px;
    padding: 23px;
  }

  .overlay-demo {
    flex-direction: column;
    gap: 5px;
  }

  .code-card pre {
    padding: 21px;
    font-size: 10px;
  }

  .closing-section {
    padding-bottom: 75px;
  }

  .closing-card {
    grid-template-columns: 1fr;
    padding: 26px;
  }

  .closing-card img {
    width: 54px;
  }

  .footer-grid {
    display: grid;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}