:root {
  --bg: #100b1a;
  --panel: rgba(28, 19, 46, 0.78);
  --panel-strong: rgba(40, 28, 66, 0.9);
  --line: rgba(167, 122, 255, 0.18);
  --text: #f2ecff;
  --muted: #c1b4dd;
  --accent: #8f5cff;
  --accent-strong: #6fd488;
  --accent-soft: rgba(111, 212, 136, 0.18);
  --shadow: 0 18px 50px rgba(5, 4, 14, 0.42);
  --radius: 24px;
  --radius-sm: 16px;
  --content-width: 1160px;
  --code-bg: #0d0917;
  --code-text: #efe8ff;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(143, 92, 255, 0.28), transparent 28%),
    radial-gradient(circle at top right, rgba(111, 212, 136, 0.18), transparent 26%),
    radial-gradient(circle at 50% 20%, rgba(83, 51, 153, 0.22), transparent 34%),
    linear-gradient(180deg, #120c1d 0%, var(--bg) 55%, #09060f 100%);
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  line-height: 1.55;
}

img {
  display: block;
}

a {
  color: inherit;
}

code,
pre {
  font-family: "IBM Plex Mono", "SFMono-Regular", monospace;
}

.page-shell {
  width: min(calc(100% - 2rem), var(--content-width));
  margin: 0 auto;
  padding: 1rem 0 4rem;
}

.topbar,
.summary-card,
.install-card,
.flow-card,
.security-card,
.cta-section {
  backdrop-filter: blur(14px);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.25rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(18, 13, 31, 0.72);
  box-shadow: var(--shadow);
  position: sticky;
  top: 1rem;
  z-index: 10;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.nav-links a {
  text-decoration: none;
  color: var(--muted);
}

.brand img {
  width: 36px;
  height: 36px;
  object-fit: contain;
}

.hero {
  padding-top: 1rem;
}

.hero-copy {
  padding: 6rem 0 3rem;
  max-width: 50rem;
}

.eyebrow {
  margin: 0 0 0.75rem;
  color: #97f0ae;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: "Space Grotesk", "Avenir Next", sans-serif;
  line-height: 1.05;
}

h1 {
  font-size: clamp(3rem, 9vw, 5.8rem);
  letter-spacing: -0.05em;
}

h2 {
  font-size: clamp(2rem, 4.4vw, 3.2rem);
  letter-spacing: -0.04em;
}

h3 {
  font-size: 1.2rem;
  letter-spacing: -0.03em;
}

.lede,
.supporting-note,
.content-section p,
.summary-card p,
.install-card p,
.security-card p,
li {
  color: var(--muted);
}

.lede {
  max-width: 42rem;
  margin: 1.5rem 0 0;
  font-size: 1.12rem;
}

.hero-actions,
.cta-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2rem;
}

.supporting-note {
  margin-top: 1rem;
  max-width: 42rem;
  font-size: 0.95rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.8rem 1.2rem;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  transition: transform 160ms ease, background-color 160ms ease, border-color 160ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

.button-primary {
  background: var(--accent);
  color: #f8f4ff;
  border: 1px solid transparent;
}

.button-primary:hover,
.button-primary:focus-visible {
  background: var(--accent-strong);
  color: #08110a;
}

.button-secondary {
  background: rgba(23, 17, 38, 0.68);
  border: 1px solid var(--line);
}

.summary-grid,
.install-grid,
.security-grid {
  display: grid;
  gap: 1rem;
}

.summary-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 1rem 0 2rem;
}

.summary-card,
.install-card,
.flow-card,
.security-card,
.cta-section {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.summary-card,
.install-card,
.flow-card,
.security-card {
  padding: 1.4rem;
}

.content-section {
  padding: 3.5rem 0 0;
}

.section-heading {
  max-width: 42rem;
  margin-bottom: 1.5rem;
}

.install-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.install-card.featured {
  background:
    linear-gradient(180deg, rgba(143, 92, 255, 0.2), rgba(19, 14, 34, 0.9)),
    var(--panel-strong);
}

.inline-link {
  display: inline-block;
  margin-top: 0.5rem;
  color: #97f0ae;
  font-weight: 700;
}

pre {
  margin: 1rem 0 0;
  padding: 1rem;
  overflow-x: auto;
  border-radius: var(--radius-sm);
  background: var(--code-bg);
  color: var(--code-text);
  font-size: 0.92rem;
}

.two-column {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(18rem, 0.8fr);
  gap: 1rem;
  align-items: start;
}

.flow-card ol {
  margin: 1rem 0 0;
  padding-left: 1.2rem;
}

.security-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.cta-section {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  margin-top: 3.5rem;
  padding: 1.5rem;
}

@media (max-width: 900px) {
  .summary-grid,
  .install-grid,
  .security-grid,
  .two-column {
    grid-template-columns: 1fr;
  }

  .topbar,
  .cta-section {
    border-radius: 28px;
  }

  .topbar,
  .cta-section,
  .nav-links {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 640px) {
  .page-shell {
    width: min(calc(100% - 1rem), var(--content-width));
    padding-bottom: 2rem;
  }

  .topbar {
    padding: 1rem;
  }

  .hero-copy {
    padding: 4rem 0 2rem;
  }

  .summary-card,
  .install-card,
  .flow-card,
  .security-card,
  .cta-section {
    border-radius: 20px;
  }
}