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

:root {
  --blue-dark:  #0a1628;
  --blue-light: #2563eb;
  --white:      #ffffff;
}

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--blue-dark);
  height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ── Banner ── */
.env-banner {
  text-align: center;
  padding: 0.45rem 1rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.env-banner.dev  { background: #92400e; color: #fef3c7; }
.env-banner.prod { background: #14532d; color: #dcfce7; }

.dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
  animation: blink 1.2s ease-in-out infinite;
}
.dev  .dot { background: #fbbf24; }
.prod .dot { background: #4ade80; }

@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.15; }
}

/* ── Logo ── */
main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo {
  font-size: clamp(3rem, 10vw, 6rem);
  font-weight: 800;
  letter-spacing: 0.05em;
}

.logo-creo { color: var(--white); }
.logo-tech { color: var(--blue-light); }