:root {
  --bg: #050914;
  --panel: rgba(12, 21, 42, 0.78);
  --panel-solid: #0b1428;
  --text: #f5f8ff;
  --muted: #9eacc7;
  --cyan: #00aaff;
  --cyan-soft: rgba(0, 170, 255, 0.18);
  --border: rgba(255, 255, 255, 0.12);
  --shadow: 0 24px 80px rgba(0, 170, 255, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(0, 170, 255, 0.22), transparent 34rem),
    radial-gradient(circle at bottom right, rgba(74, 39, 180, 0.22), transparent 32rem),
    var(--bg);
}

.stars {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    radial-gradient(circle, rgba(255,255,255,.75) 1px, transparent 1px),
    radial-gradient(circle, rgba(0,170,255,.55) 1px, transparent 1px);
  background-size: 72px 72px, 128px 128px;
  opacity: 0.28;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px clamp(18px, 5vw, 72px);
  backdrop-filter: blur(16px);
  background: rgba(5, 9, 20, 0.76);
  border-bottom: 1px solid var(--border);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  text-decoration: none;
  font-weight: 800;
  letter-spacing: 0.2px;
}

.logo {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--cyan-soft);
  color: var(--cyan);
  font-size: 30px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 22px;
}

.nav a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 650;
}

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

.menu-button {
  display: none;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--panel);
  color: var(--text);
  font-size: 24px;
  padding: 6px 12px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
  gap: 34px;
  align-items: center;
  min-height: calc(100vh - 80px);
  padding: 72px clamp(18px, 5vw, 72px);
}

.hero-content h1 {
  max-width: 780px;
  margin: 0;
  font-size: clamp(44px, 8vw, 96px);
  line-height: 0.95;
  letter-spacing: -0.06em;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--cyan);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.82rem;
}

.hero-text {
  max-width: 640px;
  color: var(--muted);
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.65;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.button,
.copy-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 20px;
  border-radius: 999px;
  border: 1px solid var(--border);
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
}

.primary {
  background: var(--cyan);
  color: #00111c;
  border-color: transparent;
}

.secondary,
.copy-button {
  background: var(--panel);
  color: var(--text);
}

.hero-card,
.card,
.wide-card {
  border: 1px solid var(--border);
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.hero-card {
  padding: 34px;
  border-radius: 32px;
  text-align: center;
}

.hero-card .moon {
  margin: 0 auto 18px;
  display: grid;
  place-items: center;
  width: 132px;
  height: 132px;
  border-radius: 42px;
  background: var(--cyan-soft);
  color: var(--cyan);
  font-size: 100px;
}

.hero-card h2 {
  margin: 0;
  font-size: 34px;
}

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

.status-pill {
  display: inline-flex;
  margin-top: 12px;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255,255,255,0.08);
  color: var(--muted);
  font-weight: 800;
}

.status-pill.online {
  background: rgba(0, 255, 136, 0.12);
  color: #70ffb8;
}

.section {
  padding: 62px clamp(18px, 5vw, 72px);
}

.section-heading {
  margin-bottom: 22px;
}

.section-heading h2 {
  margin: 0;
  font-size: clamp(32px, 5vw, 58px);
  letter-spacing: -0.045em;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.card,
.wide-card {
  border-radius: 26px;
  padding: 26px;
}

.card h3,
.wide-card h3 {
  margin: 0 0 10px;
  font-size: 24px;
}

.card p,
.wide-card p {
  margin: 0 0 14px;
  color: var(--muted);
  line-height: 1.65;
}

.wide-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
}

.text-link {
  color: var(--cyan);
  font-weight: 800;
  text-decoration: none;
}

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

.link-grid a {
  padding: 22px;
  border: 1px solid var(--border);
  border-radius: 22px;
  background: var(--panel);
  color: var(--text);
  text-decoration: none;
  font-weight: 850;
  text-align: center;
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 26px clamp(18px, 5vw, 72px);
  border-top: 1px solid var(--border);
  color: var(--muted);
}

@media (max-width: 780px) {
  .menu-button {
    display: block;
  }

  .nav {
    position: absolute;
    top: 78px;
    left: 18px;
    right: 18px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 18px;
    border: 1px solid var(--border);
    border-radius: 22px;
    background: var(--panel-solid);
  }

  .nav.open {
    display: flex;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 46px;
  }

  .card-grid,
  .link-grid {
    grid-template-columns: 1fr;
  }

  .wide-card,
  .footer {
    flex-direction: column;
    align-items: flex-start;
  }
}