:root {
  --bg: #070b14;
  --surface: #0f172a;
  --surface-strong: #18243b;
  --text: #e2e8f0;
  --muted: #a2b0c8;
  --accent: #13b7a6;
  --accent-strong: #0f766e;
  --highlight: #f59e0b;
  --accent-light: #14b8a6;
  --accent-lighter: #2dd4bf;
  --button-primary-text: #03140f;
  --button-primary-shadow: rgba(20, 184, 166, 0.32);
  --button-secondary-border: rgba(45, 212, 191, 0.38);
  --surface-translucent: rgba(15, 23, 42, 0.68);
  --border: rgba(148, 163, 184, 0.28);
  --shadow: rgba(2, 6, 23, 0.42);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  min-height: 100%;
}

body {
  color: var(--text);
  font-family: "Space Grotesk", "Avenir Next", "Segoe UI", sans-serif;
  background:
    radial-gradient(950px 500px at 10% -10%, rgba(19, 183, 166, 0.16), transparent 58%),
    radial-gradient(820px 420px at 92% 2%, rgba(245, 158, 11, 0.11), transparent 56%),
    linear-gradient(160deg, #050912 0%, #0a1020 50%, #0d162b 100%);
  line-height: 1.55;
  letter-spacing: 0.01em;
  overflow-x: hidden;
}

.bg-shape {
  position: fixed;
  z-index: -1;
  filter: blur(22px);
  pointer-events: none;
}

.bg-shape-one {
  width: 22rem;
  height: 22rem;
  border-radius: 42% 58% 61% 39%;
  background: linear-gradient(150deg, rgba(19, 183, 166, 0.24), rgba(15, 118, 110, 0.15));
  top: 7rem;
  left: -8rem;
  animation: driftA 14s ease-in-out infinite;
}

.bg-shape-two {
  width: 20rem;
  height: 20rem;
  border-radius: 63% 37% 51% 49%;
  background: linear-gradient(160deg, rgba(245, 158, 11, 0.21), rgba(239, 68, 68, 0.1));
  right: -7rem;
  top: 16rem;
  animation: driftB 18s ease-in-out infinite;
}

.site-header,
main,
.site-footer {
  width: min(70rem, calc(100% - 3rem));
  margin: 0 auto;
}

.error-page-main {
  max-width: 48rem;
  margin-top: 5rem;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.2rem 0 0.4rem;
}

.brand {
  color: var(--text);
  text-decoration: none;
  font-size: clamp(1.2rem, 2vw, 1.45rem);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 700;
}

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

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--text);
}

main {
  display: grid;
  gap: 1.4rem;
  padding: 1.4rem 0 2rem;
}

.hero {
  animation: riseIn 520ms ease-out;
}

.eyebrow {
  margin: 0 0 0.55rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.76rem;
  font-weight: 700;
}

h1 {
  margin: 0;
  font-size: clamp(2rem, 6vw, 3.6rem);
  line-height: 1.05;
  max-width: 14ch;
}

.error-page-title {
  font-size: clamp(1.8rem, 6vw, 2.6rem);
  max-width: none;
}

.lede {
  color: var(--muted);
  margin-top: 1rem;
  max-width: 58ch;
  font-size: 1.05rem;
}

.cta-row {
  margin-top: 1.2rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  padding: 0.65rem 1rem;
  border-radius: 0.6rem;
  border: 1px solid transparent;
  font-weight: 600;
  transition: transform 140ms ease, box-shadow 140ms ease;
}

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

.button:focus-visible {
  transform: translateY(-1px);
  outline: 2px solid var(--highlight);
  outline-offset: 2px;
  box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.3);
}

.button-primary {
  color: var(--button-primary-text);
  background: linear-gradient(140deg, var(--accent-light) 0%, var(--accent-lighter) 90%);
  box-shadow: 0 8px 20px var(--button-primary-shadow);
}

.button-secondary {
  color: var(--text);
  border-color: var(--button-secondary-border);
  background: var(--surface-translucent);
}

.panel {
  border: 1px solid var(--border);
  background: linear-gradient(160deg, rgba(15, 23, 42, 0.9), rgba(11, 18, 32, 0.85));
  backdrop-filter: blur(4px);
  border-radius: 0.95rem;
  padding: 1.05rem 1.05rem 0.9rem;
  box-shadow: 0 14px 30px -16px var(--shadow);
}

.quickstart {
  animation: riseIn 640ms ease-out;
}

.quickstart h2 {
  margin-top: 0;
  margin-bottom: 0.35rem;
}

.doc-main {
  width: min(72rem, calc(100% - 3rem));
}

.doc-hero h1 {
  max-width: 20ch;
}

.breadcrumbs {
  margin: 0;
  font-size: 0.9rem;
  color: var(--muted);
}

.breadcrumbs a {
  color: var(--text);
}

.link-grid {
  display: grid;
  gap: 0.8rem;
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
}

.link-card {
  display: grid;
  gap: 0.3rem;
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  padding: 0.8rem;
  text-decoration: none;
  color: var(--text);
  background: rgba(15, 23, 42, 0.7);
  transition: transform 140ms ease, box-shadow 140ms ease;
}

.link-card:hover,
.link-card:focus-visible {
  transform: translateY(-1px);
  box-shadow: 0 10px 20px -12px var(--shadow);
}

.link-card span {
  color: var(--muted);
  font-size: 0.95rem;
}

.md-content > :first-child {
  margin-top: 0;
}

.md-content h1,
.md-content h2,
.md-content h3 {
  line-height: 1.2;
}

.md-content h1 {
  font-size: clamp(1.7rem, 4.5vw, 2.4rem);
  margin-bottom: 0.8rem;
  max-width: none;
}

.md-content h2 {
  font-size: 1.2rem;
  margin-top: 1.4rem;
}

.doc-panel.md-content > h2:first-of-type {
  margin-top: 0;
}

.md-content h3 {
  font-size: 1.05rem;
  margin-top: 1rem;
}

.md-content a {
  color: var(--accent-lighter);
}

.md-content ul,
.md-content ol {
  padding-left: 1.2rem;
}

.md-content li + li {
  margin-top: 0.3rem;
}

.md-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 0.8rem 0;
}

.md-content th,
.md-content td {
  border: 1px solid var(--border);
  padding: 0.45rem 0.55rem;
  text-align: left;
}

.md-content blockquote {
  margin: 0.8rem 0;
  padding: 0.6rem 0.8rem;
  border-left: 3px solid rgba(45, 212, 191, 0.6);
  background: rgba(15, 23, 42, 0.6);
  color: var(--muted);
}

.cta-panel {
  margin-top: 0.2rem;
}

pre {
  overflow-x: auto;
  margin: 0.8rem 0 0.65rem;
  border-radius: 0.7rem;
  padding: 0.85rem 0.95rem;
  background: rgba(2, 6, 23, 0.95);
  border: 1px solid rgba(56, 189, 248, 0.2);
}

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

.muted {
  color: var(--muted);
  margin-bottom: 0;
}

.feature-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  animation: riseIn 760ms ease-out;
}

.feature-card h3 {
  margin: 0;
  font-size: 1rem;
}

.feature-card p {
  margin: 0.55rem 0 0;
  color: var(--muted);
}

.site-footer {
  border-top: 1px solid rgba(148, 163, 184, 0.2);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
  font-size: 0.92rem;
  color: var(--muted);
  padding: 1rem 0 1.5rem;
}

.site-footer a {
  color: var(--text);
}

@keyframes riseIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes driftA {
  0%,
  100% {
    transform: translateY(0) rotate(0deg);
  }

  50% {
    transform: translateY(20px) rotate(10deg);
  }
}

@keyframes driftB {
  0%,
  100% {
    transform: translateY(0) rotate(0deg);
  }

  50% {
    transform: translateY(-18px) rotate(-12deg);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

@media (max-width: 900px) {
  .feature-grid {
    grid-template-columns: 1fr;
  }

  .site-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }

  .nav-links {
    flex-wrap: wrap;
  }

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

@media (max-width: 560px) {
  .site-header,
  main,
  .site-footer {
    width: min(70rem, calc(100% - 1.4rem));
  }

  .panel {
    padding: 0.95rem 0.88rem 0.8rem;
  }

  .button {
    width: 100%;
  }
}