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

:root {
  --bg: #0a0a0a;
  --surface: #141414;
  --border: #2a2a2a;
  --text: #e8e8e8;
  --text-muted: #777;
  --accent: #d4ff00;
}

body {
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

header {
  text-align: center;
  padding: 5rem 2rem 3rem;
}

.logo {
  font-size: 3.5rem;
  font-weight: 700;
  letter-spacing: 0.35em;
  color: var(--accent);
}

.tagline {
  margin-top: 0.75rem;
  font-size: 0.95rem;
  color: var(--text-muted);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

main {
  flex: 1;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 0 2rem 4rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  width: 100%;
  max-width: 640px;
}

.card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 2rem 2.25rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  text-decoration: none;
  color: var(--text);
  transition: border-color 0.2s, background 0.2s;
}

.card:hover {
  border-color: var(--accent);
  background: #1a1a1a;
}

.card-label {
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: 0.05em;
}

.card-arrow {
  font-size: 1.4rem;
  color: var(--text-muted);
  transition: color 0.2s, transform 0.2s;
}

.card:hover .card-arrow {
  color: var(--accent);
  transform: translateX(4px);
}

footer {
  text-align: center;
  padding: 2rem;
  color: var(--text-muted);
  font-size: 0.8rem;
  letter-spacing: 0.05em;
}

@media (max-width: 500px) {
  .grid {
    grid-template-columns: 1fr;
  }

  .logo {
    font-size: 2.5rem;
  }

  header {
    padding: 3rem 1.5rem 2rem;
  }
}