:root {
  --bg: #0b0d10;
  --bg-elevated: #11151a;
  --bg-soft: #171b21;
  --surface: rgba(255, 255, 255, 0.035);
  --surface-hover: rgba(255, 255, 255, 0.065);
  --line: rgba(255, 255, 255, 0.11);
  --line-strong: rgba(255, 255, 255, 0.19);
  --text: #f2f3f4;
  --muted: #a8afb8;
  --accent: #c7a45a;
  --accent-bright: #dfbd70;
  --accent-soft: rgba(199, 164, 90, 0.13);
  --accent-ink: #111317;
  --danger: #d35d57;
  --radius: 16px;
  --shell: min(1280px, calc(100% - 56px));
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 92px;
}

body {
  min-width: 320px;
  margin: 0;
  overflow-x: hidden;
  background:
    linear-gradient(rgba(255,255,255,.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.018) 1px, transparent 1px),
    radial-gradient(circle at 82% 8%, rgba(199,164,90,.11), transparent 31rem),
    var(--bg);
  background-size: 40px 40px, 40px 40px, auto, auto;
  color: var(--text);
  line-height: 1.65;
}

body.menu-open { overflow: hidden; }
::selection { background: var(--accent); color: var(--accent-ink); }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, code, pre { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { text-wrap: balance; }
code, pre { font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 100;
  padding: 10px 14px;
  border-radius: 10px;
  transform: translateY(-150%);
  background: var(--text);
  color: var(--bg);
  font-weight: 800;
}
.skip-link:focus { transform: translateY(0); }
.shell { width: var(--shell); margin-inline: auto; }

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  border-bottom: 1px solid transparent;
  transition: background 180ms ease, border-color 180ms ease;
}
.site-header.is-scrolled,
.site-header.menu-visible {
  border-color: var(--line);
  background: rgba(11,13,16,.9);
  backdrop-filter: blur(16px);
}
.header-inner {
  display: flex;
  min-height: 72px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-weight: 800;
  letter-spacing: -.02em;
}
.brand-icon,
.hero-icon {
  position: relative;
  display: grid;
  place-items: center;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--bg-elevated);
}
.brand-icon { width: 42px; height: 42px; border-radius: 12px; }
.brand-icon img { width: 34px; height: 34px; }
.brand-fallback,
.hero-fallback { display: none; color: var(--accent); font-weight: 900; }
.logo-error img { display: none; }
.logo-error .brand-fallback,
.logo-error .hero-fallback { display: block; }

.main-nav {
  display: flex;
  align-items: center;
  gap: 26px;
  color: var(--muted);
  font-size: .92rem;
  font-weight: 680;
}
.main-nav a { transition: color 160ms ease, background 160ms ease, border-color 160ms ease; }
.main-nav a:hover,
.main-nav a:focus-visible { color: var(--text); }
.nav-button {
  padding: 9px 14px;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: var(--surface);
  color: var(--text);
}
.nav-button:hover { background: var(--surface-hover); }

.menu-toggle {
  display: none;
  position: relative;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: var(--bg-elevated);
  color: var(--text);
  cursor: pointer;
}
.menu-toggle > span:not(.sr-only) {
  position: absolute;
  left: 12px;
  width: 18px;
  height: 1px;
  background: currentColor;
  transition: transform 180ms ease;
}
.menu-toggle > span:first-child { transform: translateY(-5px); }
.menu-toggle > span:nth-child(2) { transform: translateY(5px); }
.menu-toggle[aria-expanded="true"] > span:first-child { transform: rotate(45deg); }
.menu-toggle[aria-expanded="true"] > span:nth-child(2) { transform: rotate(-45deg); }

.hero {
  display: grid;
  min-height: 100svh;
  padding-top: 140px;
  padding-bottom: 94px;
  align-items: center;
  grid-template-columns: minmax(0,1.08fr) minmax(440px,.92fr);
  gap: 48px;
}
.hero-copy,
.hero-panel { min-width: 0; }
.eyebrow,
.section-label {
  margin-bottom: 18px;
  color: var(--accent-bright);
  font-size: .76rem;
  font-weight: 800;
  letter-spacing: .13em;
  text-transform: uppercase;
}
.hero-brand {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 26px;
}
.hero-icon {
  width: 96px;
  height: 96px;
  flex: 0 0 auto;
  border-radius: 24px;
  box-shadow: 0 24px 80px rgba(0,0,0,.32);
}
.hero-icon img { width: 76px; height: 76px; }
h1 {
  min-width: 0;
  margin: 0;
  font-size: clamp(4.2rem,7.1vw,6.45rem);
  line-height: .9;
  letter-spacing: -.067em;
  white-space: nowrap;
}
.hero-lead {
  max-width: 650px;
  margin-bottom: 20px;
  font-size: clamp(1.25rem,2.1vw,1.72rem);
  line-height: 1.45;
  letter-spacing: -.02em;
}
.hero-meta { margin-bottom: 34px; color: var(--muted); }
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 32px;
}
.button {
  position: relative;
  z-index: 1;
  display: inline-flex;
  min-height: 50px;
  padding: 0 20px;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 11px;
  font-size: .94rem;
  font-weight: 780;
  cursor: pointer;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
}
.button:hover,
.button:focus-visible { transform: translateY(-2px); }
.button-primary { background: var(--accent); color: var(--accent-ink); }
.button-primary:hover { background: var(--accent-bright); }
.button-secondary { border-color: var(--line-strong); background: var(--surface); }
.button-secondary:hover { background: var(--surface-hover); }
.quick-links {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  color: var(--muted);
  font-size: .88rem;
}
.quick-links a:hover { color: var(--text); }

.hero-panel {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: linear-gradient(180deg,rgba(255,255,255,.045),rgba(255,255,255,.018));
  box-shadow: 0 32px 100px rgba(0,0,0,.28);
}
.panel-topline {
  display: flex;
  padding: 18px 20px;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.status { display: inline-flex; align-items: center; gap: 7px; color: var(--text); }
.status i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent-bright);
  box-shadow: 0 0 0 5px var(--accent-soft);
}
.platform-list article {
  display: grid;
  padding: 24px 22px;
  grid-template-columns: 42px 1fr;
  gap: 16px;
  border-bottom: 1px solid var(--line);
}
.platform-list article:last-child { border-bottom: 0; }
.platform-list article > span {
  color: var(--accent-bright);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: .78rem;
}
.platform-list h2 { margin-bottom: 5px; font-size: 1.05rem; }
.platform-list p { margin-bottom: 0; color: var(--muted); font-size: .91rem; }

.section {
  padding-top: 112px;
  padding-bottom: 112px;
  border-top: 1px solid var(--line);
}
.section-heading {
  display: grid;
  grid-template-columns: minmax(160px,.35fr) minmax(0,1fr);
  gap: 40px;
  align-items: start;
  margin-bottom: 42px;
}
.section-heading h2,
.warning-section h2,
.status-section h2,
.final-cta h2 {
  margin-bottom: 0;
  font-size: clamp(2rem,4vw,3.8rem);
  line-height: 1.08;
  letter-spacing: -.045em;
}
.section-copy {
  max-width: 790px;
  margin-left: auto;
  color: var(--muted);
  font-size: 1.08rem;
}
.focus-grid {
  display: grid;
  margin-top: 54px;
  grid-template-columns: repeat(4,minmax(0,1fr));
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.focus-grid article {
  min-height: 210px;
  padding: 28px;
  border-right: 1px solid var(--line);
  background: var(--surface);
}
.focus-grid article:last-child { border-right: 0; }
.focus-grid h3 { margin-bottom: 14px; font-size: 1.12rem; }
.focus-grid p { margin-bottom: 0; color: var(--muted); }

.warning-section {
  display: grid;
  margin-top: 36px;
  margin-bottom: 36px;
  padding: 34px;
  grid-template-columns: 52px 1fr;
  gap: 24px;
  border: 1px solid rgba(199,164,90,.36);
  border-radius: var(--radius);
  background: var(--accent-soft);
}
.warning-icon {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border: 1px solid rgba(199,164,90,.52);
  border-radius: 12px;
  color: var(--accent-bright);
  font-size: 1.25rem;
  font-weight: 900;
}
.warning-section h2 { margin-bottom: 20px; font-size: clamp(1.8rem,3vw,2.8rem); }
.warning-section p:last-child { margin-bottom: 0; }
.link-stack { display: flex; flex-direction: column; align-items: flex-start; gap: 9px; }
.link-stack a,
.text-link,
.audience-grid article > a {
  color: var(--text);
  font-weight: 750;
  text-decoration: underline;
  text-decoration-color: var(--accent);
  text-underline-offset: 5px;
}

.install-layout {
  display: grid;
  margin-top: 58px;
  grid-template-columns: minmax(0,.8fr) minmax(480px,1.2fr);
  gap: 54px;
  align-items: start;
}
.windows-layout { margin-top: 34px; padding-top: 34px; border-top: 1px solid var(--line); }
.install-copy h3 { margin-bottom: 18px; font-size: clamp(1.5rem,2.5vw,2.2rem); line-height: 1.2; }
.install-copy > p:not(.section-label) { color: var(--muted); }
.requirements { display: flex; margin-top: 28px; flex-direction: column; gap: 8px; }
.requirements span::before { content: "•"; margin-right: 9px; color: var(--accent-bright); }

.terminal {
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: #090b0e;
  box-shadow: 0 22px 70px rgba(0,0,0,.25);
}
.terminal-wide { margin-bottom: 24px; }
.terminal-header,
.terminal-footer {
  display: flex;
  padding: 14px 18px;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: .78rem;
}
.terminal-header button { border: 0; background: transparent; color: var(--text); cursor: pointer; font-weight: 750; }
.terminal-header button:hover { color: var(--accent-bright); }
.terminal pre { margin: 0; padding: 22px; overflow-x: auto; }
.terminal pre code { color: #d4dae1; font-size: .84rem; line-height: 1.8; }
.terminal-footer { justify-content: flex-start; gap: 8px; border-top: 1px solid var(--line); border-bottom: 0; }
.terminal-footer code { color: var(--text); }

.audience-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 18px; }
.audience-grid article { padding: 30px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.audience-grid h3 { margin-bottom: 16px; font-size: 1.45rem; line-height: 1.22; }
.audience-grid p,
.audience-grid li { color: var(--muted); }
.audience-grid ul { padding-left: 20px; }
.tag-list { display: flex; flex-wrap: wrap; gap: 8px; margin: 18px 0 22px; }
.tag-list span { padding: 6px 10px; border: 1px solid var(--line); border-radius: 999px; background: var(--bg-elevated); font-family: "SFMono-Regular", Consolas, monospace; font-size: .78rem; }

.contribute-layout { display: grid; grid-template-columns: 1fr .75fr; gap: 56px; }
.plain-list { columns: 2; gap: 44px; padding-left: 20px; color: var(--muted); }
.resource-card { overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); }
.resource-card a { display: flex; min-height: 58px; padding: 0 18px; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); background: var(--surface); font-weight: 700; }
.resource-card a:last-child { border-bottom: 0; }
.resource-card a:hover { background: var(--surface-hover); }

.status-section {
  display: grid;
  padding-top: 86px;
  padding-bottom: 86px;
  grid-template-columns: 1.35fr .65fr;
  gap: 70px;
  border-top: 1px solid var(--line);
}
.status-section h2 { margin-bottom: 22px; font-size: clamp(2rem,3.4vw,3rem); }
.status-section p:not(.section-label) { color: var(--muted); }
.status-section strong { color: var(--text); }
.final-cta {
  display: grid;
  margin-bottom: 70px;
  padding: 34px;
  grid-template-columns: 72px 1fr auto;
  gap: 26px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: linear-gradient(135deg,var(--surface-hover),var(--accent-soft));
}
.final-cta h2 { margin-bottom: 0; font-size: clamp(1.5rem,2.6vw,2.35rem); }

.site-footer { padding: 28px 0; border-top: 1px solid var(--line); color: var(--muted); font-size: .88rem; }
.footer-inner { display: grid; grid-template-columns: 1fr auto auto; gap: 28px; align-items: center; }
.footer-brand { color: var(--text); }
.footer-inner p { margin: 0; }
.toast {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 80;
  padding: 12px 16px;
  border: 1px solid var(--line-strong);
  border-radius: 11px;
  transform: translateY(20px);
  opacity: 0;
  pointer-events: none;
  background: var(--bg-soft);
  box-shadow: 0 18px 50px rgba(0,0,0,.35);
  transition: opacity 180ms ease, transform 180ms ease;
}
.toast.is-visible { transform: translateY(0); opacity: 1; }
:focus-visible { outline: 2px solid var(--accent-bright); outline-offset: 3px; }

@media (max-width: 1180px) {
  .hero { grid-template-columns: 1fr; min-height: auto; padding-top: 146px; }
  .hero-copy { max-width: 820px; }
  .hero-panel { width: 100%; }
}

@media (max-width: 980px) {
  .focus-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .focus-grid article:nth-child(2) { border-right: 0; }
  .focus-grid article:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .audience-grid { grid-template-columns: 1fr; }
  .install-layout,
  .contribute-layout,
  .status-section { grid-template-columns: 1fr; }
  .install-layout { gap: 30px; }
  .final-cta { grid-template-columns: 64px 1fr; }
  .final-cta .button { grid-column: 1 / -1; }
}

@media (max-width: 760px) {
  :root { --shell: min(100% - 28px,1280px); }
  .menu-toggle { display: block; }
  .main-nav {
    position: fixed;
    top: 72px;
    right: 14px;
    left: 14px;
    display: flex;
    padding: 16px;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    border: 1px solid var(--line);
    border-radius: 14px;
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    background: rgba(17,21,26,.98);
    box-shadow: 0 22px 70px rgba(0,0,0,.42);
    transition: transform 180ms ease, opacity 180ms ease;
  }
  .main-nav.is-open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .main-nav a { padding: 13px 12px; border-bottom: 1px solid var(--line); }
  .main-nav a:last-child { border-bottom: 0; }
  .nav-button { margin-top: 8px; text-align: center; }
  .hero { padding-top: 122px; padding-bottom: 74px; gap: 48px; }
  .hero-brand { align-items: flex-start; flex-direction: column; gap: 18px; }
  .hero-icon { width: 90px; height: 90px; border-radius: 22px; }
  .hero-icon img { width: 70px; height: 70px; }
  h1 { font-size: clamp(3.15rem,17vw,5.2rem); white-space: normal; }
  .section { padding-top: 78px; padding-bottom: 78px; }
  .section-heading { grid-template-columns: 1fr; gap: 10px; }
  .section-copy { margin-left: 0; }
  .focus-grid { grid-template-columns: 1fr; }
  .focus-grid article { min-height: auto; border-right: 0; border-bottom: 1px solid var(--line); }
  .focus-grid article:last-child { border-bottom: 0; }
  .warning-section { grid-template-columns: 1fr; }
  .install-layout { grid-template-columns: minmax(0,1fr); }
  .terminal pre { padding: 18px; }
  .plain-list { columns: 1; }
  .status-section { gap: 42px; }
  .final-cta { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 12px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}