:root {
  color-scheme: dark;
  --bg: #07111f;
  --bg-elevated: rgba(11, 24, 41, 0.8);
  --bg-panel: rgba(10, 20, 34, 0.92);
  --line: rgba(122, 238, 255, 0.18);
  --line-strong: rgba(122, 238, 255, 0.38);
  --text: #ecf7ff;
  --text-dim: rgba(236, 247, 255, 0.72);
  --accent: #79f0ff;
  --accent-strong: #9dffb8;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.4);
  --content-width: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at top left, rgba(121, 240, 255, 0.18), transparent 28%),
    radial-gradient(circle at 85% 10%, rgba(157, 255, 184, 0.12), transparent 18%),
    linear-gradient(180deg, #050b14, #091426 45%, #07111f 100%);
  color: var(--text);
  font-family: "Manrope", system-ui, sans-serif;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(121, 240, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(121, 240, 255, 0.05) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(180deg, rgba(255, 255, 255, 0.45), transparent 82%);
}

.page-shell {
  width: min(calc(100% - 32px), var(--content-width));
  margin: 0 auto;
  padding: 24px 0 56px;
}

.topbar,
.hero-content,
.section,
.footer-cta {
  backdrop-filter: blur(18px);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 22px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(6, 14, 25, 0.7);
}

.brand,
.text-link,
.button,
.inline-link {
  text-decoration: none;
}

.brand {
  color: var(--text);
  font-family: "Chakra Petch", sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.text-link {
  color: var(--text-dim);
  font-size: 0.95rem;
}

.language-toggle {
  display: inline-flex;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
}

.lang-btn {
  border: 0;
  min-width: 60px;
  padding: 9px 14px;
  border-radius: 999px;
  background: transparent;
  color: var(--text-dim);
  font: inherit;
  cursor: pointer;
}

.lang-btn.is-active {
  background: linear-gradient(135deg, rgba(121, 240, 255, 0.22), rgba(157, 255, 184, 0.18));
  color: var(--text);
}

.hero-content {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
  gap: 28px;
  margin-top: 20px;
  padding: 36px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background:
    linear-gradient(145deg, rgba(8, 21, 36, 0.96), rgba(8, 17, 31, 0.86)),
    radial-gradient(circle at top right, rgba(121, 240, 255, 0.12), transparent 26%);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.docs-entry-section {
  margin-top: 20px;
  padding: 24px 26px;
  border: 1px solid var(--line-strong);
  border-radius: 24px;
  background:
    linear-gradient(145deg, rgba(8, 20, 34, 0.94), rgba(8, 16, 29, 0.84)),
    radial-gradient(circle at right center, rgba(121, 240, 255, 0.12), transparent 28%);
  box-shadow: var(--shadow);
}

.docs-entry-header,
.docs-link-grid {
  display: grid;
}

.docs-entry-header {
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 18px;
  align-items: end;
  margin-bottom: 18px;
}

.docs-entry-header h2 {
  max-width: 18ch;
  font-family: "Chakra Petch", sans-serif;
  font-size: clamp(1.6rem, 2.6vw, 2.5rem);
  line-height: 1.02;
}

.docs-entry-button {
  min-width: 180px;
}

.docs-link-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.docs-link-card {
  display: grid;
  gap: 8px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.02);
  text-decoration: none;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.docs-link-card:hover {
  transform: translateY(-1px);
  border-color: var(--line-strong);
  background: rgba(121, 240, 255, 0.06);
}

.docs-link-kicker {
  color: var(--accent);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.docs-link-card strong {
  color: var(--text);
  font-size: 1.02rem;
}

.docs-link-copy {
  color: var(--text-dim);
  line-height: 1.6;
  font-size: 0.92rem;
}

.hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.eyebrow,
.card-kicker,
.command-label,
.node-file,
.metric-label {
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 700;
}

h1,
h2,
h3,
p {
  margin: 0;
}

h1 {
  max-width: 10ch;
  font-family: "Chakra Petch", sans-serif;
  font-size: clamp(3rem, 7vw, 5.8rem);
  line-height: 0.95;
}

.hero-description {
  margin-top: 18px;
  max-width: 58ch;
  color: var(--text-dim);
  font-size: 1.04rem;
  line-height: 1.75;
}

.hero-actions,
.footer-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.hero-actions {
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.button:hover,
.lang-btn:hover,
.text-link:hover {
  transform: translateY(-1px);
}

.button-primary {
  background: linear-gradient(135deg, rgba(121, 240, 255, 0.2), rgba(157, 255, 184, 0.22));
  color: var(--text);
  border-color: var(--line-strong);
}

.button-secondary {
  background: rgba(255, 255, 255, 0.02);
  color: var(--text);
  border-color: var(--line);
}

.panel-surface {
  width: 100%;
  min-height: 100%;
  padding: 22px;
  border: 1px solid rgba(121, 240, 255, 0.18);
  border-radius: 22px;
  background:
    linear-gradient(180deg, rgba(8, 18, 30, 0.94), rgba(12, 29, 46, 0.88)),
    radial-gradient(circle at top left, rgba(121, 240, 255, 0.08), transparent 30%);
}

.panel-header,
.panel-grid,
.capability-grid,
.command-deck,
.architecture-strip {
  display: grid;
}

.panel-header {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  color: var(--text-dim);
  font-size: 0.78rem;
}

.panel-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 18px;
}

.metric,
.capability-card,
.command-card,
.architecture-node,
.footer-cta {
  border: 1px solid var(--line);
  background: var(--bg-elevated);
}

.metric {
  padding: 14px;
  border-radius: 16px;
}

.metric strong {
  display: block;
  margin-top: 6px;
  font-size: 1.35rem;
}

.signal-code {
  margin-top: 18px;
  padding: 18px;
  border-radius: 18px;
  background: rgba(4, 10, 18, 0.92);
  color: #b8ffe0;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.88rem;
  line-height: 1.7;
  overflow: auto;
}

.section,
.footer-cta {
  margin-top: 24px;
  padding: 28px;
  border-radius: 26px;
  background: rgba(6, 15, 27, 0.72);
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.section-heading h2,
.footer-cta h2 {
  max-width: 22ch;
  font-family: "Chakra Petch", sans-serif;
  font-size: clamp(1.8rem, 3vw, 2.9rem);
  line-height: 1.02;
}

.capability-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.capability-card,
.architecture-node {
  padding: 20px;
  border-radius: 18px;
}

.card-kicker,
.command-label,
.node-file,
.metric-label {
  color: var(--accent);
  font-size: 0.76rem;
  font-weight: 700;
}

.capability-card h3,
.architecture-node h3 {
  margin-top: 14px;
  font-size: 1.18rem;
}

.capability-card p,
.architecture-node p {
  margin-top: 10px;
  color: var(--text-dim);
  line-height: 1.65;
}

.chip {
  display: inline-flex;
  margin-top: 14px;
  padding: 7px 10px;
  border-radius: 999px;
  background: rgba(121, 240, 255, 0.08);
  color: var(--text);
  font-size: 0.82rem;
}

.inline-link {
  display: inline-flex;
  margin-top: 14px;
  color: var(--accent-strong);
  font-weight: 700;
}

.command-deck {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.command-card {
  padding: 18px;
  border-radius: 18px;
}

.command-card-wide {
  grid-column: 1 / -1;
}

.command-card pre,
.command-card code {
  margin: 0;
  white-space: pre-wrap;
}

.command-card pre {
  overflow: auto;
  margin-top: 12px;
  padding: 16px;
  border-radius: 14px;
  background: rgba(3, 9, 18, 0.94);
  color: #d8fff0;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  line-height: 1.7;
}

.architecture-strip {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.footer-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

@media (max-width: 1080px) {
  .hero-content,
  .docs-link-grid,
  .capability-grid,
  .architecture-strip {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 820px) {
  .page-shell {
    width: min(calc(100% - 20px), var(--content-width));
    padding-top: 12px;
  }

  .topbar,
  .hero-content,
  .docs-entry-section,
  .section,
  .footer-cta {
    padding: 20px;
  }

  .hero-content,
  .docs-entry-header,
  .capability-grid,
  .docs-link-grid,
  .command-deck,
  .architecture-strip,
  .footer-cta {
    grid-template-columns: 1fr;
  }

  .footer-cta {
    display: grid;
  }
}

@media (max-width: 560px) {
  h1 {
    max-width: none;
    font-size: clamp(2.4rem, 15vw, 3.5rem);
  }

  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .topbar-actions {
    width: 100%;
    justify-content: space-between;
  }

  .hero-actions,
  .footer-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .button {
    width: 100%;
  }
}