:root {
  --bg: #07090f;
  --bg-soft: #111526;
  --ink: #f8f8f1;
  --muted: #b7bdcd;
  --accent: #ff8a00;
  --accent-2: #ffd166;
  --line: rgba(255, 255, 255, 0.12);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  background: #05070d;
  overscroll-behavior: none;
}

body {
  font-family: "Space Grotesk", sans-serif;
  color: var(--ink);
  background: radial-gradient(circle at 75% 0%, #2c1d0a 0%, var(--bg) 42%),
    linear-gradient(155deg, #05070d 0%, #0a1020 52%, #0e1324 100%);
  overflow-x: hidden;
  isolation: isolate;
}

.world-logo {
  position: fixed;
  left: 50%;
  top: 50%;
  width: min(110vmin, 1280px);
  aspect-ratio: 1;
  transform: translate3d(-50%, -50%, 0);
  transform-origin: center;
  z-index: -4;
  pointer-events: none;
  opacity: 0.42;
  mix-blend-mode: screen;
  will-change: transform;
}

.world-logo img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  border-radius: 50%;
}

.noise {
  pointer-events: none;
  position: fixed;
  inset: 0;
  opacity: 0.18;
  background-image: radial-gradient(rgba(255, 255, 255, 0.08) 0.5px, transparent 0.5px);
  background-size: 4px 4px;
  z-index: -2;
}

.glow {
  position: fixed;
  border-radius: 999px;
  filter: blur(48px);
  opacity: 0.26;
  pointer-events: none;
  z-index: -3;
}

.glow-a {
  width: min(42vw, 440px);
  aspect-ratio: 1;
  background: #ff8a00;
  top: -120px;
  right: -80px;
}

.glow-b {
  width: min(40vw, 380px);
  aspect-ratio: 1;
  background: #2f6fff;
  left: -120px;
  bottom: -160px;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 5;
  padding: 16px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  backdrop-filter: blur(8px);
  background: rgba(9, 11, 18, 0.6);
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.03em;
}

.brand img {
  width: 32px;
  height: 32px;
  border-radius: 50%;
}

main {
  max-width: 1060px;
  margin: 0 auto;
  padding: 26px 22px 64px;
}

.hero {
  padding-top: 40px;
}

.kicker {
  margin: 0 0 12px;
  font-family: "IBM Plex Mono", monospace;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--accent-2);
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(2.1rem, 7vw, 4.7rem);
  line-height: 0.96;
  letter-spacing: -0.04em;
  max-width: 780px;
}

.lead {
  margin: 20px 0 0;
  max-width: 620px;
  color: var(--muted);
  font-size: clamp(1rem, 2.3vw, 1.2rem);
  line-height: 1.55;
}


.cta-row {
  margin-top: 28px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.primary-btn,
.ghost-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 42px;
  padding: 0 16px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
  transition: transform 180ms ease, background 180ms ease;
}

.primary-btn {
  background: linear-gradient(135deg, var(--accent) 0%, #ff5a3a 100%);
  color: #111;
}

.ghost-btn {
  border: 1px solid var(--line);
  color: var(--ink);
  background: rgba(255, 255, 255, 0.03);
}

.primary-btn:hover,
.ghost-btn:hover {
  transform: translateY(-1px);
}

.cards {
  margin-top: 46px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.cards article {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.01));
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 18px;
}

.cards h2 {
  margin: 0 0 8px;
  font-size: 1.1rem;
}

.cards p {
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
}

.install-guide {
  margin-top: 46px;
}

.install-shell {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.01));
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 22px;
}

.install-shell h2 {
  margin: 0;
  font-size: 1.35rem;
  line-height: 1.2;
}

.install-shell ol {
  margin: 18px 0 0;
  padding-left: 22px;
  color: var(--muted);
  line-height: 1.65;
}

.install-shell li + li {
  margin-top: 8px;
}

.install-shell a {
  color: var(--accent-2);
}

.install-shell code {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.95em;
  color: #d6dbeb;
}

.mini-spec {
  margin-top: 20px;
  background: var(--bg-soft);
  border-radius: 14px;
  border: 1px solid var(--line);
  padding: 14px 16px;
}

.mini-spec p {
  margin: 0;
  font-family: "IBM Plex Mono", monospace;
  font-size: 12px;
  color: #d6dbeb;
}

.mini-spec p + p {
  margin-top: 7px;
}

footer {
  margin: 22px auto 0;
  max-width: 1060px;
  padding: 0 22px 28px;
  display: flex;
  justify-content: space-between;
  color: var(--muted);
  font-size: 13px;
}

footer a {
  color: var(--accent-2);
  text-decoration: none;
}

@media (max-width: 840px) {
  .world-logo {
    width: min(132vmin, 900px);
    opacity: 0.2;
  }

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

  footer {
    flex-direction: column;
    gap: 8px;
  }
}