@font-face {
  font-family: 'JetBrains Mono';
  src: local('JetBrains Mono');
}

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

html, body {
  height: 100%;
  overflow: hidden;
  background: #05070c;
}

body {
  font-family: 'Inter', -apple-system, 'Segoe UI', system-ui, sans-serif;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

/* sutil textura de dígitos binarios de fondo, referencia directa al nombre de marca */
.bits {
  position: fixed;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  color: #0d1c2e;
  font-family: 'JetBrains Mono', 'Courier New', monospace;
  font-size: 13px;
  line-height: 1.9;
  letter-spacing: 0.35em;
  white-space: pre;
  user-select: none;
}

main {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2.6rem;
  padding: 2rem;
}

.logo {
  width: 320px;
  max-width: 60vw;
  height: auto;
  display: block;
  filter: drop-shadow(0 0 26px rgba(0, 187, 253, 0.14));
}

.tagline {
  font-family: 'JetBrains Mono', 'Courier New', monospace;
  font-size: 0.8rem;
  color: #5c6b85;
  letter-spacing: 0.02em;
}

.tagline .cursor {
  display: inline-block;
  width: 7px;
  height: 1em;
  margin-left: 2px;
  background: #00bbfd;
  vertical-align: -0.15em;
  animation: blink 1.1s steps(1) infinite;
}

@keyframes blink {
  0%, 49% { opacity: 1; }
  50%, 100% { opacity: 0; }
}

nav {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
}

.btn {
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 500;
  color: #e7ecf3;
  text-decoration: none;
  padding: 0.95rem 1.7rem;
  border-radius: 8px;
  border: 1px solid #1b2a3d;
  background: #0a0f18;
  transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
  white-space: nowrap;
}

.btn:hover {
  border-color: #00bbfd;
  background: #0d1520;
  transform: translateY(-1px);
}

.btn.primary {
  border-color: #00bbfd;
  background: linear-gradient(135deg, #0a2438, #0a1826);
  color: #f2fbff;
}

.btn.primary:hover {
  background: linear-gradient(135deg, #0d2c44, #0d1e30);
  box-shadow: 0 0 22px rgba(0, 187, 253, 0.18);
}

@media (max-width: 480px) {
  nav { flex-direction: column; width: 100%; }
  .btn { text-align: center; }
}