/* GLOBAL DARK THEME */
:root {
  --bg-main: #0d0d0d;
  --bg-card: #1a1a1a;
  --bg-header: #111111;
  --accent: #00aeef;
  --accent-light: #4cc9f0;
  --accent-secondary: #00f5d4;
  --text-main: #ffffff;
  --text-secondary: #cccccc;
  --text-muted: #888888;
  --radius-card: 8px;
  --radius-btn: 6px;
  --shadow-card: 0 0 24px rgba(0, 174, 239, 0.15);
}

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

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: radial-gradient(circle at top, #111 0%, #050505 40%, #000 100%);
  color: var(--text-main);
  line-height: 1.6;
}

a {
  color: var(--accent-light);
  text-decoration: none;
}

a:hover {
  color: var(--accent-secondary);
}

/* HEADER */
header {
  background: var(--bg-header);
  border-bottom: 1px solid #222;
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0.75rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-weight: 700;
  letter-spacing: 0.08em;
  font-size: 0.95rem;
  text-transform: uppercase;
  color: var(--accent-light);
}

nav ul {
  list-style: none;
  display: flex;
  gap: 1.25rem;
}

nav a {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

nav a.active,
nav a:hover {
  color: var(--accent);
}

/* MAIN */
main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 3rem;
}

/* HERO */
.hero {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1.3fr);
  gap: 2rem;
  align-items: center;
  margin-bottom: 3rem;
}

.hero-title {
  font-size: 2.4rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.hero-title span {
  color: var(--accent);
}

.hero-subtitle {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.badge {
  border-radius: 999px;
  border: 1px solid #333;
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.6rem 1.3rem;
  border-radius: var(--radius-btn);
  border: 1px solid var(--accent);
  color: var(--accent-light);
  font-size: 0.9rem;
  font-weight: 600;
  background: transparent;
  cursor: pointer;
  transition: all 0.18s ease-out;
}

.btn-primary {
  background: linear-gradient(135deg, #00aeef, #00f5d4);
  color: #000;
  border-color: transparent;
  box-shadow: 0 0 18px rgba(0, 174, 239, 0.4);
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 0 18px rgba(0, 174, 239, 0.35);
}

/* CARDS */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1.25rem;
}

.card {
  background: var(--bg-card);
  border-radius: var(--radius-card);
  border: 1px solid #222;
  box-shadow: var(--shadow-card);
  padding: 1rem;
}

.card-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
}

.card-text {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* FOOTER */
footer {
  border-top: 1px solid #222;
  background: var(--bg-header);
  padding: 1.25rem 1.5rem;
  color: var(--text-muted);
  font-size: 0.8rem;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.8rem;
}

.footer-links a:hover {
  color: var(--accent-light);
}

/* RESPONSIVE */
@media (max-width: 800px) {
  .hero {
    grid-template-columns: 1fr;
  }
}