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

:root {
  --bg: #08111f;
  --panel: #0f1b2d;
  --text: #f5f7fb;
  --muted: #a9b4c4;
  --accent: #3aa8ff;
  --border: rgba(255, 255, 255, 0.09);
}

html,
body {
  min-height: 100%;
}

body {
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 20% 20%, rgba(58, 168, 255, 0.15), transparent 32%),
    radial-gradient(circle at 80% 80%, rgba(40, 95, 180, 0.12), transparent 30%),
    var(--bg);
  color: var(--text);
}

.hero {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.card {
  width: min(760px, 100%);
  padding: 56px;
  border: 1px solid var(--border);
  border-radius: 24px;
  background: rgba(15, 27, 45, 0.86);
  backdrop-filter: blur(14px);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
}

h1 {
  display: inline-block;
  margin-bottom: 20px;
  font-size: clamp(2.6rem, 6vw, 4.2rem);
  font-weight: 900;
  letter-spacing: 0.16em;
  color: var(--accent);
  line-height: 1;
}

.tagline {
  max-width: 620px;
  font-size: clamp(1.35rem, 2.6vw, 2.1rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
  font-weight: 800;
}

.lead {
  margin-top: 24px;
  max-width: 560px;
  color: var(--muted);
  font-size: 1.1rem;
  line-height: 1.7;
}

.divider {
  height: 1px;
  margin: 40px 0;
  background: var(--border);
}

.contact {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
}

.contact h2 {
  margin-bottom: 2px;
  font-size: 0.95rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

.contact a {
  color: var(--text);
  text-decoration: none;
  font-size: 1.35rem;
  font-weight: 700;
}

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

footer {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.7;
}

@media (max-width: 640px) {
  .card {
    padding: 34px 24px;
    border-radius: 18px;
  }

  h1 {
    margin-bottom: 16px;
  }

  .contact a {
    font-size: 1.08rem;
  }
}