/* Reset básico y tipografía */
* {
  box-sizing: border-box;
}
html, body {
  height: 100%;
}
body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  color: #0f172a; /* slate-900 */
  background: radial-gradient(1000px 600px at 50% -10%, #eef2ff 0%, #ffffff 50%, #f8fafc 100%);
  display: grid;
  grid-template-rows: 1fr auto;
  min-height: 100dvh;
}

.container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 24px;
  gap: 16px;
}

.logo {
  width: min(480px, 80vw);
  height: auto;
  border-radius: 16px;
  box-shadow: 0 10px 30px rgba(2, 6, 23, 0.12);
  object-fit: cover;
}

h1 {
  font-size: clamp(28px, 4vw, 40px);
  line-height: 1.15;
  margin: 8px 0 0 0;
}

.subtitle {
  font-size: clamp(16px, 2.5vw, 18px);
  color: #334155; /* slate-700 */
  margin: 4px 0 0 0;
}

.footer {
  padding: 16px 24px;
  text-align: center;
  color: #475569; /* slate-600 */
}

@media (prefers-color-scheme: dark) {
  body {
    color: #e5e7eb; /* gray-200 */
    background: radial-gradient(1000px 600px at 50% -10%, #0b1220 0%, #0b1220 30%, #0f172a 100%);
  }
  .subtitle { color: #cbd5e1; }
  .footer { color: #94a3b8; }
  .logo { box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35); }
}