:root {
  color-scheme: dark;
  font-family: 'Space Grotesk', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --bg: #05060a;
  --bg-alt: #0e1018;
  --card: #121422;
  --card-border: rgba(255, 255, 255, 0.08);
  --text: #f5f6fd;
  --muted: #9aa2c4;
  --accent: #4dd5ff;
  --accent-strong: #6d84ff;
  --shadow: 0 18px 45px rgba(4, 6, 11, 0.6);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(circle at top, rgba(77, 213, 255, 0.12), transparent 55%),
              radial-gradient(circle at 20% 20%, rgba(109, 132, 255, 0.25), transparent 35%),
              var(--bg);
  color: var(--text);
  font-size: 1rem;
  line-height: 1.6;
}

img {
  max-width: 100%;
  height: auto;
}

a {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-color: rgba(77, 213, 255, 0.6);
}

a:hover {
  color: var(--text);
  text-decoration-color: var(--text);
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid rgba(77, 213, 255, 0.8);
  outline-offset: 3px;
}

.hero {
  padding: 2.5rem clamp(1.5rem, 5vw, 5rem) 5rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.brand {
  font-weight: 700;
  letter-spacing: 0.08em;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav__links a {
  color: var(--muted);
  font-weight: 500;
  transition: color 0.2s ease;
  text-decoration: none;
}

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

.nav__toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  gap: 0.4rem;
  flex-direction: column;
}

.nav__toggle span {
  display: block;
  width: 1.5rem;
  height: 2px;
  background: var(--text);
}

.hero__content {
  max-width: 48rem;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.3em;
  font-size: 0.75rem;
  color: var(--accent);
  margin-bottom: 1rem;
}

h1 {
  font-size: clamp(2.7rem, 5vw, 4.8rem);
  margin: 0 0 1rem;
  line-height: 1.05;
}

h2 {
  font-size: clamp(2rem, 3vw, 3rem);
  margin-bottom: 0.75rem;
}

h3 {
  margin-bottom: 0.35rem;
}

.lead {
  color: var(--muted);
  font-size: 1.15rem;
  margin-bottom: 1.5rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.btn {
  border: 1px solid transparent;
  padding: 0.85rem 1.4rem;
  border-radius: 999px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
  text-decoration: none;
}

.btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(77, 213, 255, 0.35), 0 12px 30px rgba(109, 132, 255, 0.25);
}

.nav__toggle:focus-visible {
  outline-offset: 6px;
}

.btn.primary {
  background: linear-gradient(90deg, var(--accent-strong), var(--accent));
  color: #05060a;
  border: none;
  box-shadow: 0 15px 40px rgba(77, 213, 255, 0.3);
}

.btn.ghost {
  border-color: rgba(255, 255, 255, 0.2);
  color: var(--text);
  background: transparent;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 30px rgba(109, 132, 255, 0.25);
}

.install-command {
  display: block;
  padding: 1rem 1.25rem;
  border-radius: 0.75rem;
  background: rgba(18, 20, 34, 0.7);
  border: 1px solid var(--card-border);
  font-family: 'JetBrains Mono', 'Space Grotesk', monospace;
  font-size: 0.95rem;
  overflow-x: auto;
}

.hero__metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr));
  gap: 1rem;
}

.metric {
  padding: 1.25rem;
  border-radius: 1rem;
  border: 1px solid var(--card-border);
  background: rgba(5, 6, 10, 0.55);
}

.metric__label {
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.25em;
  color: var(--muted);
}

.metric__value {
  font-size: 1.2rem;
  margin: 0.35rem 0 0;
  font-weight: 600;
}

.section {
  padding: clamp(3rem, 8vw, 6rem) clamp(1.5rem, 5vw, 5rem);
}

.section__intro {
  max-width: 42rem;
  margin-bottom: 2.5rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: 1.25rem;
}

.card {
  padding: 1.5rem;
  border-radius: 1.2rem;
  border: 1px solid var(--card-border);
  background: var(--card);
  box-shadow: var(--shadow);
  min-height: 10rem;
}

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

.install {
  background: var(--bg-alt);
}

.install-steps {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 1.25rem;
}

.install-steps li {
  padding: 1.5rem;
  border-radius: 1rem;
  border: 1px solid var(--card-border);
  background: rgba(5, 6, 10, 0.5);
  counter-increment: install-step;
  position: relative;
  padding-left: 4.5rem;
}

.install-steps li::before {
  content: counter(install-step);
  position: absolute;
  left: 1.5rem;
  top: 1.5rem;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: rgba(77, 213, 255, 0.2);
  border: 1px solid var(--accent);
  display: grid;
  place-items: center;
  font-weight: 600;
}

.callout {
  margin-top: 2rem;
  padding: 1.25rem 1.5rem;
  border-radius: 1rem;
  background: rgba(255, 196, 87, 0.12);
  border: 1px solid rgba(255, 196, 87, 0.35);
}

.showcase__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
  gap: 1.35rem;
}

figure {
  margin: 0;
  border: 1px solid var(--card-border);
  border-radius: 1rem;
  padding: 1rem;
  background: rgba(9, 10, 18, 0.8);
  min-height: 15rem;
}

figcaption {
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--accent);
}

pre {
  background: rgba(5, 6, 10, 0.65);
  padding: 1rem;
  border-radius: 0.75rem;
  overflow: auto;
  font-size: 0.85rem;
  line-height: 1.3;
}

.statusbar-demo {
  display: flex;
  justify-content: space-between;
  background: linear-gradient(90deg, var(--accent-strong), var(--accent));
  color: #05060a;
  padding: 0.65rem 1rem;
  border-radius: 0.5rem;
  font-weight: 600;
}

.community__actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-top: 1rem;
}

.footer {
  padding: 2rem clamp(1.5rem, 5vw, 5rem);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.9rem;
  color: var(--muted);
}

@media (max-width: 720px) {
  .nav {
    flex-wrap: wrap;
  }

  .nav__toggle {
    display: inline-flex;
  }

  .nav__links {
    display: none;
    width: 100%;
    flex-direction: column;
    padding: 1rem 0 0;
    gap: 0.75rem;
  }

  .nav__links.is-open {
    display: flex;
  }
}