:root {
  color-scheme: dark light;
  --bg: #070a08;
  --bg-glow: rgba(85, 232, 120, 0.09);
  --surface: #101612;
  --surface-raised: #151d18;
  --surface-sunken: #050806;
  --text: #edf7ef;
  --muted: #a3b2a7;
  --subtle: #738178;
  --border: #2a362e;
  --border-strong: #3a4a40;
  --action: #55e878;
  --action-hover: #72ef90;
  --action-pressed: #3ec963;
  --action-ink: #06130a;
  --focus: #7af398;
  --human: #c4a6ff;
  --max: 75rem;
  --shot-max: 90rem;
  --prose: 44rem;
  --sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Monaco, Consolas, monospace;
  --fast: 160ms cubic-bezier(0.23, 1, 0.32, 1);
  --radius: 12px;
  --shadow: 0 28px 70px -36px rgba(0, 0, 0, 0.72);
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f4f7f2;
    --bg-glow: rgba(22, 115, 55, 0.08);
    --surface: #ffffff;
    --surface-raised: #ffffff;
    --surface-sunken: #e8eee6;
    --text: #142018;
    --muted: #4c5e52;
    --subtle: #66786c;
    --border: #c7d2ca;
    --border-strong: #9aab9f;
    --action: #167337;
    --action-hover: #0f602c;
    --action-pressed: #0b5124;
    --action-ink: #ffffff;
    --focus: #0b6b2a;
    --human: #6b3fd4;
    --shadow: 0 24px 50px -32px rgba(20, 32, 24, 0.28);
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(920px 420px at 12% -10%, var(--bg-glow), transparent 58%),
    radial-gradient(720px 360px at 100% 8%, rgba(85, 232, 120, 0.04), transparent 46%),
    var(--bg);
  color: var(--text);
  font: 16px/1.65 var(--sans);
  -webkit-font-smoothing: antialiased;
}
img, picture { max-width: 100%; }
img { height: auto; display: block; }
a { color: inherit; }
button { font: inherit; }
code, kbd { font-family: var(--mono); font-size: 0.92em; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; }

.wrap { width: min(100% - 40px, var(--max)); margin-inline: auto; min-width: 0; }
.wrap-shot { width: min(100% - 40px, var(--shot-max)); margin-inline: auto; min-width: 0; }
.skip-link {
  position: fixed;
  left: 16px;
  top: 12px;
  z-index: 40;
  padding: 10px 14px;
  background: var(--action);
  color: var(--action-ink);
  transform: translateY(-160%);
  text-decoration: none;
  font-weight: 700;
}
.skip-link:focus { transform: translateY(0); }

.site-nav {
  position: sticky;
  top: 0;
  z-index: 30;
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: blur(16px);
}
.site-nav .wrap {
  min-height: 72px;
  display: flex;
  align-items: center;
  gap: 24px;
}
.brand { display: inline-flex; width: 214px; flex: 0 0 auto; }
.brand img { display: block; width: 100%; height: auto; }
.nav-links { margin-left: auto; display: flex; align-items: center; gap: 22px; }
.nav-links a { color: var(--muted); text-decoration: none; }
.nav-links a:hover,
.nav-links a[aria-current="page"] { color: var(--text); }
.nav-links .nav-install,
.nav-links .nav-install:hover { color: var(--action-ink); }

.button {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 9px 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: background var(--fast), border-color var(--fast), color var(--fast), transform var(--fast);
}
.button:hover { background: var(--surface-raised); border-color: var(--subtle); }
.button-primary { background: var(--action); border-color: var(--action); color: var(--action-ink); }
.button-primary:hover { background: var(--action-hover); border-color: var(--action-hover); }
.button-primary:active { background: var(--action-pressed); }

.hero { padding: 84px 0 36px; }
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(300px, 0.92fr);
  gap: 64px;
  align-items: start;
}
.hero-grid > *,
.section-grid > *,
.shot-stack,
.shot,
.install-list,
.install-method { min-width: 0; }
.eyebrow {
  margin: 0 0 16px;
  color: var(--action);
  font: 700 0.78rem/1.3 var(--mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
h1, h2, h3 { line-height: 1.12; letter-spacing: -0.03em; }
h1 { max-width: 16ch; margin: 0; font-size: clamp(2.5rem, 6vw, 4.6rem); font-weight: 760; }
h1 span { display: block; color: var(--muted); }
.one-liner { max-width: 42rem; margin: 22px 0 0; color: var(--muted); font-size: 1.14rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.requirements { margin: 14px 0 0; color: var(--subtle); font: 0.84rem/1.5 var(--mono); }
.release-facts {
  margin: 26px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  list-style: none;
  color: var(--muted);
  font: 0.84rem/1.5 var(--mono);
}
.release-facts strong { color: var(--text); font-weight: 700; }

.pills { display: flex; flex-wrap: wrap; gap: 8px; margin: 22px 0 0; padding: 0; list-style: none; }
.pills li {
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: color-mix(in srgb, var(--surface) 80%, transparent);
  color: var(--muted);
  font: 0.78rem/1.3 var(--mono);
}

.contract {
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface-sunken) 88%, var(--surface));
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow);
}
.contract-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  color: var(--muted);
  font: 0.78rem/1.4 var(--mono);
}
.live-state { color: var(--action); }
.contract ol { margin: 0; padding: 0; list-style: none; counter-reset: contract; }
.contract li {
  counter-increment: contract;
  display: grid;
  grid-template-columns: 36px 1fr auto;
  gap: 12px;
  align-items: center;
  min-height: 58px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  font-family: var(--mono);
}
.contract li:last-child { border-bottom: 0; }
.contract li::before { content: "0" counter(contract); color: var(--subtle); font-size: 0.78rem; }
.contract small { color: var(--muted); font-family: var(--sans); }
.contract .gate { color: var(--action); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.06em; }

.command-bar {
  margin-top: 20px;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: stretch;
  max-width: 100%;
  min-width: 0;
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: 10px;
  overflow: hidden;
}
.command-prompt {
  display: grid;
  place-items: center;
  padding: 12px 0 12px 16px;
  color: var(--action);
  font-family: var(--mono);
}
.command-text {
  min-width: 0;
  padding: 13px 12px;
  overflow-x: auto;
  white-space: nowrap;
  color: var(--text);
  font: 0.86rem/1.5 var(--mono);
}
.copy-button {
  min-width: 78px;
  border: 0;
  border-left: 1px solid var(--border);
  background: transparent;
  color: var(--muted);
  cursor: pointer;
}
.copy-button:hover { color: var(--text); background: var(--surface-raised); }

.proof { padding: 20px 0 72px; }
figure { margin: 0; }
.shot {
  margin: 0;
  width: 100%;
  max-width: 100%;
}
.shot-frame {
  display: block;
  width: 100%;
  max-width: 100%;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #0c0e11;
  box-shadow: var(--shadow);
}
.shot-frame a { display: block; }
.shot-frame picture,
.shot-frame img {
  width: 100%;
  max-width: 100%;
  height: auto;
  display: block;
}
.shot-chrome {
  display: flex;
  align-items: center;
  gap: 6px;
  min-height: 36px;
  padding: 0 14px;
  border-bottom: 1px solid #262c34;
  background: #10141a;
  color: #7d8792;
  font: 0.72rem/1 var(--mono);
}
.shot-chrome i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #3a424c;
}
.shot-chrome i:nth-child(1) { background: #3fb950; }
.shot-chrome span { margin-left: 8px; }
figcaption {
  margin: 12px auto 0;
  max-width: 48rem;
  color: var(--muted);
  font: 0.88rem/1.5 var(--mono);
  text-align: center;
}
figcaption a { color: var(--text); }

section { padding: 76px 0; border-top: 1px solid var(--border); }
.section-grid {
  display: grid;
  grid-template-columns: minmax(210px, 0.38fr) minmax(0, 1fr);
  gap: 56px;
}
.section-index { margin: 0 0 10px; color: var(--action); font: 700 0.78rem/1.4 var(--mono); }
h2 { margin: 0; font-size: clamp(1.8rem, 4vw, 2.6rem); }
.section-intro { max-width: var(--prose); margin: 14px 0 0; color: var(--muted); }

.steps {
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
  list-style: none;
}
.steps li {
  padding: 22px 22px 20px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: color-mix(in srgb, var(--surface) 88%, transparent);
}
.steps .n {
  display: inline-block;
  margin-bottom: 10px;
  color: var(--action);
  font: 700 0.78rem/1 var(--mono);
}
.steps h3 { margin: 0 0 8px; font-size: 1.15rem; }
.steps p { margin: 0; color: var(--muted); }
.steps pre,
.steps .command-bar { margin-top: 14px; }

.feature-list { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--border); }
.feature-list li {
  display: grid;
  grid-template-columns: minmax(170px, 0.36fr) 1fr;
  gap: 28px;
  padding: 24px 0;
  border-bottom: 1px solid var(--border);
}
.feature-list h3 { margin: 0; font-size: 1rem; font-family: var(--mono); letter-spacing: -0.01em; }
.feature-list p { margin: 0; color: var(--muted); }

.section-head { max-width: var(--prose); }
.shot-band { margin-top: 40px; }
.shot-stack {
  display: grid;
  gap: 36px;
  margin: 0;
  width: 100%;
  justify-items: stretch;
}

.install-list { display: grid; gap: 14px; }
.install-method {
  display: grid;
  grid-template-columns: 110px minmax(0, 1fr);
  gap: 22px;
  align-items: start;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
}
.install-method:first-child { border-top: 1px solid var(--border); }
.install-label {
  padding-top: 12px;
  color: var(--muted);
  font: 0.8rem/1.4 var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.install-method .command-bar { margin: 0; }
.after-install { margin: 26px 0 0; color: var(--muted); }

.faq-list { border-top: 1px solid var(--border); }
details { border-bottom: 1px solid var(--border); }
summary {
  min-height: 58px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  cursor: pointer;
  font-weight: 700;
  list-style: none;
}
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; color: var(--action); font: 1rem/1 var(--mono); }
details[open] summary::after { content: "−"; }
details p { max-width: var(--prose); margin: 0; padding: 0 0 22px; color: var(--muted); }

footer {
  padding: 28px 0 36px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.88rem;
}
footer .wrap { display: flex; flex-wrap: wrap; gap: 8px 14px; align-items: center; }
footer a { text-decoration: none; }
footer a:hover { color: var(--text); }

.doc { padding: 56px 0 88px; }
.doc-layout {
  display: grid;
  grid-template-columns: 200px minmax(0, 1fr);
  gap: 48px;
  align-items: start;
}
.doc-layout > * { min-width: 0; }
.doc-side { position: sticky; top: 96px; }
.doc-side a { color: var(--muted); text-decoration: none; }
.doc-side a[aria-current="page"],
.doc-side a:hover { color: var(--text); }
.doc h1 { max-width: 18ch; margin: 0 0 16px; font-size: clamp(2rem, 4vw, 3rem); }
.doc h2 { margin: 36px 0 12px; font-size: 1.35rem; }
.doc h3 { margin: 28px 0 10px; font-size: 1.05rem; }
.doc p, .doc li { color: var(--muted); max-width: var(--prose); }
.doc .shot {
  margin: 28px 0;
  width: 100%;
  max-width: min(64rem, 100%);
}
.doc figcaption {
  margin-left: 0;
  margin-right: 0;
  max-width: var(--prose);
  text-align: left;
}
.doc strong, .doc h1, .doc h2, .doc h3 { color: var(--text); }
.doc pre,
.doc .command-bar {
  overflow-x: auto;
  padding: 14px 16px;
  border: 1px solid var(--border);
  background: var(--surface-sunken);
  font: 0.86rem/1.5 var(--mono);
  color: var(--text);
  border-radius: 10px;
}
.doc pre { max-width: min(52rem, 100%); }
.doc table { width: 100%; max-width: min(52rem, 100%); border-collapse: collapse; font-size: 0.94rem; display: block; overflow-x: auto; }
.doc th, .doc td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}
.doc th { color: var(--text); font: 0.78rem/1.4 var(--mono); letter-spacing: 0.04em; text-transform: uppercase; }
.doc td { color: var(--muted); }
.doc-nav { margin: 8px 0 0; padding: 0; list-style: none; }
.doc-nav li { margin: 0; padding: 12px 0; border-bottom: 1px solid var(--border); }
.doc-nav a { color: var(--text); font-weight: 700; text-decoration: none; }
.doc-nav small { display: block; color: var(--muted); font-weight: 400; }
.callout {
  max-width: var(--prose);
  margin: 20px 0;
  padding: 14px 16px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--muted);
  border-radius: 10px;
}
.note { color: var(--subtle); font-size: 0.92rem; }

.video-frame {
  max-width: 52rem;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #0c0e11;
}
.video-frame video { width: 100%; display: block; }

@media (max-width: 900px) {
  .hero { padding-top: 56px; }
  .hero-grid, .section-grid, .doc-layout { grid-template-columns: 1fr; gap: 32px; }
  .doc-side { position: static; }
  .doc-side .doc-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 0 18px; }
  .contract { max-width: 620px; }
  .feature-list li { grid-template-columns: 1fr; gap: 8px; }
}

@media (max-width: 620px) {
  .wrap { width: min(100% - 24px, var(--max)); }
  .wrap-shot { width: min(100% - 24px, var(--shot-max)); }
  .site-nav .wrap { min-height: 64px; gap: 10px; }
  .brand { width: 156px; }
  .nav-links { gap: 8px; }
  .nav-links a:not(.nav-install):not(.nav-keep) { display: none; }
  .hero { padding: 44px 0 28px; }
  h1 { font-size: clamp(2.2rem, 12vw, 3.3rem); }
  .contract li { grid-template-columns: 28px 1fr; }
  .contract small { display: none; }
  section { padding: 56px 0; }
  .install-method { grid-template-columns: 1fr; gap: 8px; }
  .install-label { padding-top: 0; }
  .command-text { font-size: 0.76rem; }
  .shot-band { margin-top: 28px; }
  .shot-stack { gap: 24px; }
  .doc-side .doc-nav { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.01ms !important; }
}