:root {
  color-scheme: dark;
  --bg: #060b1a;
  --bg-deep: #03060f;
  --glow: #5eb8ff;
  --glow-soft: rgba(94, 184, 255, 0.18);
  --glow-faint: rgba(94, 184, 255, 0.08);
  --text: #e7f2ff;
  --muted: #9db3d1;
  --card: rgba(10, 22, 45, 0.72);
  --border: rgba(45, 168, 255, 0.2);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: "Space Grotesk", system-ui, -apple-system, sans-serif;
  background: radial-gradient(circle at top, #0b152f 0%, var(--bg) 50%, var(--bg-deep) 100%);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
}

.bg {
  position: fixed;
  inset: 0;
  background: radial-gradient(circle at 20% 10%, var(--glow-faint), transparent 50%),
    radial-gradient(circle at 80% 0%, rgba(28, 82, 190, 0.22), transparent 50%),
    radial-gradient(circle at 50% 80%, rgba(24, 84, 180, 0.1), transparent 55%);
  filter: blur(8px);
  z-index: -1;
}

.wrap {
  max-width: 1100px;
  margin: 0 auto;
  padding: 64px 24px 72px;
  display: flex;
  flex-direction: column;
  gap: 56px;
}

.hero {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.tag {
  text-transform: uppercase;
  letter-spacing: 0.4em;
  font-size: 12px;
  color: var(--muted);
}

h1 {
  font-size: clamp(2.4rem, 4vw, 4rem);
  font-weight: 600;
  max-width: 800px;
}

h1 span {
  color: var(--glow);
  display: block;
}

.sub {
  max-width: 700px;
  color: var(--muted);
  font-size: 1.05rem;
}

.cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.btn {
  padding: 14px 28px;
  border-radius: 14px;
  background: var(--glow);
  color: #04101f;
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  box-shadow: 0 8px 22px var(--glow-soft);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 26px rgba(94, 184, 255, 0.35);
}

.btn.ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
  box-shadow: none;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

article {
  padding: 18px 18px 16px;
  border-radius: 16px;
  background: var(--card);
  border: 1px solid var(--border);
  backdrop-filter: blur(6px);
  min-height: 150px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: transform 0.2s ease, border 0.2s ease, box-shadow 0.2s ease;
}

article:hover {
  transform: translateY(-2px);
  border-color: rgba(94, 184, 255, 0.45);
  box-shadow: 0 14px 28px rgba(9, 25, 50, 0.4);
}

article h3 {
  font-size: 1.1rem;
}

article p {
  color: var(--muted);
  font-size: 0.95rem;
}

article .link {
  margin-top: auto;
  font-size: 0.82rem;
  color: var(--glow);
  letter-spacing: 0.05em;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

article .link::after {
  content: "↗";
  font-size: 0.75rem;
  opacity: 0.8;
}

article .link:hover {
  color: #a8d7ff;
}

.footer {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--muted);
}

.pulse {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--glow);
  box-shadow: 0 0 18px var(--glow);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0% {
    transform: scale(1);
    opacity: 0.7;
  }
  50% {
    transform: scale(1.4);
    opacity: 1;
  }
  100% {
    transform: scale(1);
    opacity: 0.7;
  }
}

@media (max-width: 720px) {
  .wrap {
    padding-top: 48px;
  }

  h1 {
    font-size: clamp(2.1rem, 7vw, 3rem);
  }

  .grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 1024px) {
  .grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}