:root {
  --bg: #0a0b0d;
  --panel: #101216;
  --panel-deep: #0c0e11;
  --line: rgba(255, 255, 255, 0.08);
  --line-soft: rgba(255, 255, 255, 0.05);
  --ink: #e9ecef;
  --ink-soft: #c3c8ce;
  --muted: #8b929b;
  --faint: #626a74;
  --accent: #9bc0da;
  --accent-soft: rgba(155, 192, 218, 0.12);
  --good: #59c98d;
  --warn: #d7a45a;
  --radius: 10px;
  --page: min(1120px, calc(100% - 48px));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(900px 500px at 15% -10%, rgba(155, 192, 218, 0.07), transparent 65%),
    radial-gradient(700px 420px at 95% 0%, rgba(89, 201, 141, 0.04), transparent 70%),
    var(--bg);
  color: var(--ink);
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

button {
  font: inherit;
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.86em;
  padding: 0.12em 0.35em;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: rgba(255, 255, 255, 0.03);
  color: var(--ink-soft);
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -60px;
  z-index: 30;
  padding: 10px 14px;
  border-radius: 8px;
  background: var(--ink);
  color: var(--bg);
  font-size: 13px;
  font-weight: 600;
}

.skip-link:focus {
  top: 16px;
}

.site-header,
main,
.site-footer {
  width: var(--page);
  margin-inline: auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line-soft);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.brand-mark {
  display: inline-flex;
  width: 26px;
  height: 26px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--panel);
}

.brand-mark svg {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: var(--good);
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  font-size: 13px;
  color: var(--muted);
}

.site-nav a {
  padding: 6px 0;
  transition: color 160ms ease;
}

.site-nav a:hover {
  color: var(--ink);
}

.site-nav .nav-button {
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  color: var(--ink-soft);
}

.site-nav .nav-button:hover {
  border-color: rgba(255, 255, 255, 0.16);
  color: var(--ink);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  gap: 56px;
  align-items: center;
  padding: 88px 0 72px;
}

.hero-copy {
  animation: rise 700ms cubic-bezier(0.22, 1, 0.36, 1) both;
}

.kicker {
  margin: 0 0 20px;
  color: var(--muted);
  font-size: 13px;
}

h1 {
  margin: 0;
  max-width: 14ch;
  font-size: clamp(2.6rem, 5vw, 4.35rem);
  line-height: 1.02;
  letter-spacing: -0.045em;
  font-weight: 500;
}

.lede {
  margin: 24px 0 0;
  max-width: 46ch;
  color: var(--ink-soft);
  font-size: 16px;
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: -0.005em;
  cursor: pointer;
  transition:
    background-color 160ms ease,
    border-color 160ms ease,
    color 160ms ease;
}

.button-primary {
  background: var(--ink);
  color: #0a0b0d;
}

.button-primary:hover {
  background: #ffffff;
}

.button-quiet {
  border-color: var(--line);
  background: transparent;
  color: var(--ink-soft);
}

.button-quiet:hover {
  border-color: rgba(255, 255, 255, 0.18);
  color: var(--ink);
}

.button-block {
  width: 100%;
}

.hero-note {
  margin: 18px 0 0;
  color: var(--faint);
  font-size: 12px;
}

.console {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel-deep);
  box-shadow: 0 30px 80px -40px rgba(0, 0, 0, 0.9);
  animation: rise 800ms 120ms cubic-bezier(0.22, 1, 0.36, 1) both;
}

.console-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line-soft);
  font-size: 12px;
}

.console-title {
  font-weight: 600;
  letter-spacing: -0.01em;
}

.console-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  font-size: 11px;
}

.console-link i {
  width: 6px;
  height: 6px;
  border-radius: 99px;
  background: var(--good);
}

.console-body {
  padding: 18px;
}

.trace-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  color: var(--muted);
  font-size: 11px;
}

.trace-value {
  color: var(--ink);
  font-size: 20px;
  font-variant-numeric: tabular-nums;
}

.trace-value small {
  margin-left: 3px;
  color: var(--muted);
  font-size: 10px;
  font-weight: 400;
}

.trace {
  display: block;
  width: 100%;
  height: 112px;
  margin-top: 8px;
  border: 1px solid var(--line-soft);
  border-radius: 8px;
  background:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    #06070a;
  background-size: 12px 12px;
}

.trace-line {
  fill: none;
  stroke: var(--good);
  stroke-width: 1.9;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 1200;
  stroke-dashoffset: 1200;
  animation: draw 2600ms 350ms ease forwards;
}

.console-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin-top: 12px;
  overflow: hidden;
  border: 1px solid var(--line-soft);
  border-radius: 8px;
  background: var(--line-soft);
}

.console-metrics div {
  padding: 11px 12px;
  background: #0a0c0f;
}

.console-metrics span {
  display: block;
  color: var(--faint);
  font-size: 10.5px;
}

.console-metrics strong {
  display: block;
  margin-top: 3px;
  font-size: 18px;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
}

.console-metrics small {
  margin-left: 3px;
  color: var(--muted);
  font-size: 9.5px;
  font-weight: 400;
}

.console-status {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 12px;
  padding: 10px 12px;
  border: 1px solid var(--line-soft);
  border-radius: 8px;
  color: var(--ink-soft);
  font-size: 11.5px;
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 99px;
  background: var(--good);
}

.status-ref {
  margin-left: auto;
  color: var(--faint);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 9.5px;
}

.fact-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  border-block: 1px solid var(--line-soft);
  background: var(--line-soft);
}

.fact-strip p {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 0;
  padding: 20px 6px;
  background: var(--bg);
  color: var(--ink-soft);
  font-size: 12.5px;
}

.fact-strip span {
  color: var(--faint);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 10px;
}

.section {
  padding: 88px 0 0;
}

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 40px;
  align-items: end;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--line);
}

.section-head h2 {
  margin: 0;
  max-width: 19ch;
  font-size: clamp(1.7rem, 3vw, 2.5rem);
  line-height: 1.1;
  letter-spacing: -0.035em;
  font-weight: 500;
}

.section-head p {
  margin: 0;
  max-width: 52ch;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

.pieces {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin-top: 1px;
  background: var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

.piece {
  padding: 28px 26px 32px 0;
  background: var(--bg);
}

.piece + .piece {
  padding-left: 26px;
  border-left: 1px solid var(--line-soft);
}

.piece-number,
.step-number {
  color: var(--faint);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 10px;
}

.piece h3 {
  margin: 18px 0 8px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.piece p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
}

.downloads .section-head {
  align-items: start;
}

.config {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr) minmax(0, 0.9fr);
  gap: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  overflow: hidden;
}

.step {
  padding: 26px;
}

.step + .step {
  border-left: 1px solid var(--line-soft);
}

.step h3 {
  margin: 14px 0 14px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.device-summary {
  margin: 0 0 16px;
  color: var(--ink-soft);
  font-size: 12.5px;
  line-height: 1.65;
}

.facts {
  display: grid;
  gap: 0;
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-soft);
}

.facts li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 0;
  border-bottom: 1px solid var(--line-soft);
  font-size: 11.5px;
}

.facts span {
  color: var(--faint);
}

.facts strong {
  color: var(--ink-soft);
  font-weight: 500;
  text-align: right;
}

.text-button {
  padding: 0;
  border: 0;
  background: none;
  color: var(--accent);
  font-size: 11.5px;
  cursor: pointer;
}

.text-button:hover {
  color: var(--ink);
}

.models {
  display: grid;
  gap: 8px;
}

.model {
  display: block;
  width: 100%;
  padding: 12px 13px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-deep);
  color: inherit;
  text-align: left;
  cursor: pointer;
  transition:
    border-color 150ms ease,
    background-color 150ms ease;
}

.model:hover {
  border-color: rgba(255, 255, 255, 0.16);
}

.model[aria-checked="true"] {
  border-color: rgba(155, 192, 218, 0.55);
  background: var(--accent-soft);
}

.model-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
}

.model-name {
  font-size: 12.5px;
  font-weight: 600;
}

.model-badge {
  color: var(--accent);
  font-size: 10px;
}

.model-note {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 10.5px;
  line-height: 1.5;
}

.model-size {
  display: block;
  margin-top: 6px;
  color: var(--faint);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 9.5px;
}

.step-download {
  display: flex;
  flex-direction: column;
  background: var(--panel-deep);
}

.download-meta {
  margin: 14px 0 0;
  color: var(--ink-soft);
  font-size: 11.5px;
  line-height: 1.6;
}

.fineprint {
  margin: 12px 0 0;
  color: var(--faint);
  font-size: 10.5px;
  line-height: 1.7;
}

.download-error {
  margin: 12px 0 0;
  color: var(--warn);
  font-size: 11px;
}

.disclaimer {
  margin: 22px 0 0;
  color: var(--faint);
  font-size: 11.5px;
  line-height: 1.7;
}

.how-list {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
}

.how-list li {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: 20px;
  padding: 26px 0;
  border-bottom: 1px solid var(--line-soft);
  counter-increment: step;
}

.how-list li::before {
  content: "0" counter(step);
  color: var(--faint);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 10px;
  padding-top: 4px;
}

.how-list h3 {
  margin: 0 0 6px;
  font-size: 14px;
  font-weight: 600;
}

.how-list p {
  margin: 0;
  max-width: 62ch;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
}

.site-footer {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 32px;
  margin-top: 88px;
  padding: 28px 0 44px;
  border-top: 1px solid var(--line);
}

.footer-brand {
  margin: 0;
  font-size: 13px;
  font-weight: 600;
}

.footer-note {
  margin: 8px 0 0;
  max-width: 52ch;
  color: var(--faint);
  font-size: 11.5px;
  line-height: 1.7;
}

.build-label {
  margin: 0;
  max-width: 34ch;
  color: var(--faint);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 10px;
  line-height: 1.7;
  text-align: right;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes draw {
  to {
    stroke-dashoffset: 0;
  }
}

@media (max-width: 980px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 40px;
    padding-top: 64px;
  }

  .console {
    max-width: 560px;
  }

  .section-head {
    grid-template-columns: 1fr;
    gap: 16px;
  }

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

  .step + .step {
    border-left: 0;
    border-top: 1px solid var(--line-soft);
  }

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

  .piece {
    padding: 24px 0;
  }

  .piece + .piece {
    padding-left: 0;
    border-left: 0;
    border-top: 1px solid var(--line-soft);
  }
}

@media (max-width: 640px) {
  :root {
    --page: calc(100% - 32px);
  }

  .site-nav {
    gap: 14px;
  }

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

  h1 {
    font-size: clamp(2.2rem, 10vw, 3rem);
  }

  .hero {
    padding: 52px 0 56px;
  }

  .fact-strip {
    grid-template-columns: 1fr;
  }

  .fact-strip p {
    padding: 14px 4px;
  }

  .section {
    padding-top: 64px;
  }

  .console-metrics {
    grid-template-columns: 1fr;
  }

  .site-footer {
    display: block;
  }

  .build-label {
    margin-top: 18px;
    text-align: left;
  }
}

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

  .hero-copy,
  .console {
    animation: none;
  }

  .trace-line {
    animation: none;
    stroke-dashoffset: 0;
  }
}