:root {
  --bg: #0c111a;
  --panel: #121a27;
  --panel-2: #162133;
  --text: #e9f1ff;
  --muted: #a9bbd8;
  --accent: #48b5ff;
  --accent-2: #44d3a1;
  --border: #2b3a52;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Space Grotesk", system-ui, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 85% 15%, #1a2d4d 0%, transparent 36%),
    radial-gradient(circle at 15% 80%, #153c34 0%, transparent 34%),
    var(--bg);
  line-height: 1.65;
}

.site-header {
  position: relative;
  z-index: 10;
  width: min(980px, 94vw);
  margin: 1rem auto 0;
  display: grid;
  gap: 0.65rem;
  padding: 0.9rem clamp(0.9rem, 3vw, 1.4rem);
  background: color-mix(in srgb, var(--panel) 92%, #0e1624 8%);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: 0 10px 34px rgba(3, 8, 16, 0.45);
}

.brand-wrap h1 {
  margin: 0;
  font-size: clamp(1.25rem, 2.2vw, 1.72rem);
}

.eyebrow {
  margin: 0;
  color: var(--accent-2);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.subtitle {
  margin: 0.15rem 0 0;
  color: var(--muted);
}

.menu-toggle {
  border: 1px solid var(--border);
  background: #172335;
  color: var(--text);
  border-radius: 9px;
  padding: 0.4rem 0.7rem;
  font: inherit;
  font-size: 0.9rem;
  justify-self: start;
}

.main-nav {
  display: none;
  gap: 0.4rem;
  width: 100%;
}

.main-nav.open {
  display: grid;
}

.main-nav a {
  color: var(--text);
  text-decoration: none;
  border: 1px solid var(--border);
  background: #172335;
  border-radius: 8px;
  padding: 0.4rem 0.7rem;
  font-size: 0.9rem;
  font-weight: 500;
}

main {
  width: min(980px, 94vw);
  margin: 0.85rem auto 1.4rem;
  display: grid;
  gap: 0.75rem;
}

.panel {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.05), transparent 45%), var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: clamp(0.85rem, 1.8vw, 1.1rem);
  box-shadow: 0 8px 26px rgba(3, 8, 16, 0.3);
}

.hero {
  background: linear-gradient(120deg, rgba(72, 181, 255, 0.15), rgba(68, 211, 161, 0.1)), var(--panel-2);
}

h2 {
  margin: 0 0 0.45rem;
  font-size: clamp(1.06rem, 1.8vw, 1.3rem);
}

h3 {
  margin-top: 0;
  margin-bottom: 0.4rem;
}

p,
li,
summary {
  color: var(--text);
}

.muted {
  color: var(--muted);
}

.pill-list {
  margin-top: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.pill-list span {
  display: inline-block;
  background: rgba(72, 181, 255, 0.15);
  border: 1px solid rgba(72, 181, 255, 0.3);
  color: #d9f0ff;
  border-radius: 999px;
  padding: 0.25rem 0.7rem;
  font-size: 0.85rem;
}

.grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.9rem;
}

.grid article {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.75rem;
  background: #162133;
}

.code-block {
  border: 1px solid var(--border);
  background: #0f1827;
  border-radius: 10px;
  padding: 0.55rem;
  display: grid;
  gap: 0.5rem;
  margin: 0.5rem 0;
}

code {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.85rem;
  color: #d9eaff;
}

.command-path {
  color: #9ad8ff;
  background: rgba(72, 181, 255, 0.15);
  border: 1px solid rgba(72, 181, 255, 0.32);
  border-radius: 8px;
  padding: 0.15rem 0.4rem;
}

.copy-btn {
  justify-self: end;
  border: 1px solid #3f5f88;
  background: #1c2d44;
  color: #d9ecff;
  border-radius: 8px;
  padding: 0.3rem 0.65rem;
  font: inherit;
  font-size: 0.82rem;
}

.copy-btn[data-state="copied"] {
  background: #1c5a40;
  border-color: #5dd39e;
  color: #e6fff2;
}

details {
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #162133;
  padding: 0.65rem 0.75rem;
  margin-top: 0.55rem;
}

summary {
  cursor: pointer;
  font-weight: 500;
}

.site-footer {
  width: min(980px, 94vw);
  margin: 0 auto 1.5rem;
  padding: 0.65rem 0 0;
  border-top: 1px solid #2a3a52;
  display: grid;
  gap: 0.65rem;
}

.footer-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.65rem;
}

.footer-meta {
  display: grid;
  justify-items: center;
  gap: 0.2rem;
  text-align: center;
}

.footer-meta p {
  margin: 0;
  color: var(--muted);
}

.cta,
.back-top {
  color: #d9ecff;
  text-decoration: none;
  border: 1px solid var(--border);
  background: #172335;
  border-radius: 999px;
  padding: 0.35rem 0.8rem;
}

.menu-toggle:hover,
.menu-toggle:focus-visible,
.main-nav a:hover,
.main-nav a:focus-visible,
.copy-btn:hover,
.copy-btn:focus-visible,
.cta:hover,
.cta:focus-visible,
.back-top:hover,
.back-top:focus-visible {
  border-color: var(--accent);
  background: #21334d;
}

button:focus-visible,
a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

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

@media (max-width: 600px) {
  .site-header {
    padding: 0.75rem 0.8rem;
    gap: 0.5rem;
  }

  .brand-wrap h1 {
    font-size: 1.14rem;
  }

  .subtitle {
    font-size: 0.92rem;
  }

  .code-block {
    display: grid;
    grid-template-columns: 1fr;
    padding: 0.5rem;
  }

  .code-block code {
    display: block;
    overflow-wrap: anywhere;
  }

  .copy-btn {
    justify-self: start;
    white-space: nowrap;
  }
}

@media (min-width: 760px) {
  .site-header {
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 0.8rem 1rem;
  }

  .brand-wrap {
    min-width: 0;
  }

  .menu-toggle {
    display: none;
  }

  .main-nav {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    width: auto;
    flex-wrap: wrap;
  }

  .main-nav a {
    border-radius: 999px;
    padding: 0.34rem 0.68rem;
    font-size: 0.86rem;
  }

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