:root {
  --bg: #0b1020;
  --card: rgba(20, 30, 58, 0.72);
  --text: #f2f5ff;
  --muted: #c5cce3;
  --accent: #57b5ff;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Inter", "Segoe UI", Arial, sans-serif;
  color: var(--text);
  background: radial-gradient(circle at top right, #1c2f5c, var(--bg) 45%);
}

.container {
  width: min(90%, 960px);
  margin: 0 auto;
}

.hero {
  padding: clamp(3rem, 8vw, 7rem) 0 2rem;
  text-align: center;
}

h1 {
  margin: 0;
  font-size: clamp(2rem, 6vw, 4rem);
  line-height: 1.1;
}

.hero p {
  margin: 1rem auto 0;
  max-width: 760px;
  font-size: clamp(1rem, 2.3vw, 1.35rem);
  line-height: 1.6;
  color: var(--muted);
}

.socials {
  padding: 1rem 0 3.5rem;
}

.socials .container {
  background: var(--card);
  backdrop-filter: blur(3px);
  border: 1px solid rgba(153, 182, 255, 0.2);
  border-radius: 20px;
  padding: clamp(1rem, 4vw, 2rem);
}

h2 {
  margin-top: 0;
  font-size: clamp(1.2rem, 3vw, 1.7rem);
  text-align: center;
}

ul {
  list-style: none;
  padding: 0;
  margin: 1.2rem 0 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.75rem;
}

a {
  display: block;
  text-decoration: none;
  color: var(--text);
  text-align: center;
  font-weight: 600;
  padding: 0.9rem 1rem;
  border: 1px solid rgba(87, 181, 255, 0.5);
  border-radius: 12px;
  transition: transform 0.2s ease, background-color 0.2s ease,
    border-color 0.2s ease;
}

a:hover,
a:focus-visible {
  transform: translateY(-2px);
  background: rgba(87, 181, 255, 0.16);
  border-color: var(--accent);
  outline: none;
}

@media (max-width: 420px) {
  .hero {
    padding-top: 2.5rem;
  }

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