: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, 0.12);
  --text: #f5f6fd;
  --muted: #9aa2c4;
  --accent: #4dd5ff;
  --accent-strong: #6d84ff;
  --accent-glow: rgba(77, 213, 255, 0.4);
  --shadow: 0 18px 45px rgba(4, 6, 11, 0.6);
  --shadow-glow: 0 0 30px rgba(77, 213, 255, 0.2);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background: 
    radial-gradient(circle at 0% 0%, rgba(77, 213, 255, 0.15), transparent 50%),
    radial-gradient(circle at 100% 0%, rgba(109, 132, 255, 0.2), transparent 50%),
    radial-gradient(circle at 50% 100%, rgba(77, 213, 255, 0.08), transparent 60%),
    var(--bg);
  background-attachment: fixed;
  color: var(--text);
  font-size: 1rem;
  line-height: 1.6;
  position: relative;
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(circle at 20% 30%, rgba(77, 213, 255, 0.03), transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(109, 132, 255, 0.03), transparent 50%);
  pointer-events: none;
  z-index: 0;
}

body > * {
  position: relative;
  z-index: 1;
}

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;
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(77, 213, 255, 0.1), transparent 70%);
  border-radius: 50%;
  filter: blur(60px);
  pointer-events: none;
  animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1) translate(0, 0); opacity: 0.6; }
  50% { transform: scale(1.2) translate(-10%, 10%); opacity: 0.8; }
}

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

.brand {
  font-weight: 700;
  letter-spacing: 0.08em;
  font-size: 1.25rem;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: 0 0 20px var(--accent-glow);
}

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

.nav__links a {
  color: var(--muted);
  font-weight: 500;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  text-decoration: none;
  position: relative;
  padding: 0.5rem 0;
}

.nav__links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-strong));
  transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 0 10px var(--accent-glow);
}

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

.nav__links a:hover::after {
  width: 100%;
}

.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;
  background: linear-gradient(135deg, var(--text) 0%, var(--accent) 50%, var(--accent-strong) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 20px rgba(77, 213, 255, 0.3));
}

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: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
  width: 300px;
  height: 300px;
}

.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(135deg, var(--accent-strong), var(--accent));
  color: #05060a;
  border: none;
  box-shadow: 0 15px 40px rgba(77, 213, 255, 0.3), 0 0 20px rgba(77, 213, 255, 0.2);
  z-index: 1;
}

.btn.primary:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 20px 50px rgba(77, 213, 255, 0.4), 0 0 30px rgba(77, 213, 255, 0.3);
}

.btn.ghost {
  border-color: rgba(255, 255, 255, 0.25);
  color: var(--text);
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(10px);
  z-index: 1;
}

.btn.ghost:hover {
  transform: translateY(-2px);
  border-color: rgba(77, 213, 255, 0.5);
  background: rgba(77, 213, 255, 0.1);
  box-shadow: 0 10px 30px rgba(77, 213, 255, 0.15);
}

.install-command {
  display: block;
  padding: 1rem 1.25rem;
  border-radius: 0.75rem;
  background: rgba(18, 20, 34, 0.8);
  border: 1px solid var(--card-border);
  font-family: 'JetBrains Mono', 'Space Grotesk', monospace;
  font-size: 0.95rem;
  overflow-x: auto;
  backdrop-filter: blur(10px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.1);
  transition: all 0.3s ease;
  position: relative;
}

.install-command:hover {
  border-color: rgba(77, 213, 255, 0.3);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3), 0 0 20px rgba(77, 213, 255, 0.1), inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.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, 0.6);
  backdrop-filter: blur(10px);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.metric::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(77, 213, 255, 0.1), transparent);
  transition: left 0.5s ease;
}

.metric:hover {
  transform: translateY(-4px);
  border-color: rgba(77, 213, 255, 0.3);
  box-shadow: 0 10px 30px rgba(77, 213, 255, 0.15);
}

.metric:hover::before {
  left: 100%;
}

.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;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(10px);
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  transform: translateX(-100%);
  transition: transform 0.6s ease;
}

.card:hover {
  transform: translateY(-6px);
  border-color: rgba(77, 213, 255, 0.4);
  box-shadow: 0 20px 50px rgba(77, 213, 255, 0.2), var(--shadow);
}

.card:hover::before {
  transform: translateX(100%);
}

.card h3 {
  transition: color 0.3s ease;
}

.card:hover h3 {
  color: var(--accent);
}

.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, 0.6);
  backdrop-filter: blur(10px);
  counter-increment: install-step;
  position: relative;
  padding-left: 4.5rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.install-steps li:hover {
  transform: translateX(8px);
  border-color: rgba(77, 213, 255, 0.3);
  background: rgba(5, 6, 10, 0.7);
  box-shadow: 0 10px 30px rgba(77, 213, 255, 0.1);
}

.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;
  transition: all 0.3s ease;
  box-shadow: 0 0 15px rgba(77, 213, 255, 0.3);
}

.install-steps li:hover::before {
  background: rgba(77, 213, 255, 0.3);
  box-shadow: 0 0 25px rgba(77, 213, 255, 0.5);
  transform: scale(1.1);
}

.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);
  backdrop-filter: blur(10px);
  box-shadow: 0 8px 32px rgba(255, 196, 87, 0.1);
  transition: all 0.3s ease;
}

.callout:hover {
  border-color: rgba(255, 196, 87, 0.5);
  box-shadow: 0 8px 32px rgba(255, 196, 87, 0.2);
}

.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);
  backdrop-filter: blur(10px);
  min-height: 15rem;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

figure::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(77, 213, 255, 0.1), transparent 70%);
  opacity: 0;
  transition: opacity 0.4s ease;
}

figure:hover {
  transform: translateY(-8px) scale(1.02);
  border-color: rgba(77, 213, 255, 0.4);
  box-shadow: 0 20px 50px rgba(77, 213, 255, 0.2);
}

figure:hover::before {
  opacity: 1;
}

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

pre {
  background: rgba(5, 6, 10, 0.8);
  padding: 1rem;
  border-radius: 0.75rem;
  overflow: auto;
  font-size: 0.85rem;
  line-height: 1.3;
  border: 1px solid rgba(77, 213, 255, 0.1);
  box-shadow: inset 0 2px 10px rgba(0, 0, 0, 0.3);
  position: relative;
  backdrop-filter: blur(5px);
}

pre::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(77, 213, 255, 0.3), transparent);
}

.statusbar-demo {
  display: flex;
  justify-content: space-between;
  background: linear-gradient(135deg, var(--accent-strong), var(--accent));
  color: #05060a;
  padding: 0.65rem 1rem;
  border-radius: 0.5rem;
  font-weight: 600;
  box-shadow: 0 4px 20px rgba(77, 213, 255, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.2);
  position: relative;
  overflow: hidden;
}

.statusbar-demo::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  animation: shimmer 3s infinite;
}

@keyframes shimmer {
  0% { left: -100%; }
  100% { left: 100%; }
}

.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, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.9rem;
  color: var(--muted);
  background: rgba(5, 6, 10, 0.5);
  backdrop-filter: blur(10px);
  position: relative;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(77, 213, 255, 0.3), transparent);
}

.footer a {
  transition: all 0.3s ease;
}

.footer a:hover {
  color: var(--accent);
  text-shadow: 0 0 10px var(--accent-glow);
}

@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;
    background: rgba(5, 6, 10, 0.95);
    backdrop-filter: blur(20px);
    border-radius: 0.5rem;
    padding: 1rem;
    margin-top: 1rem;
    border: 1px solid var(--card-border);
  }

  .nav__links.is-open {
    display: flex;
    animation: slideDown 0.3s ease;
  }

  @keyframes slideDown {
    from {
      opacity: 0;
      transform: translateY(-10px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }
}