:root {
  --espresso: #2B1B12;
  --cream: #FFF8EC;
  --amber: #C89116;
  --sprout: #2F6F5E;
  --brick: #B5432D;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, sans-serif;
  background: var(--cream);
  color: var(--espresso);
}

.contenedor {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 20px;
}

.topbar {
  border-bottom: 1px solid rgba(43,27,18,0.1);
  padding: 16px 0;
}

.topbar .contenedor {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.topbar nav a {
  color: var(--espresso);
  text-decoration: none;
  margin-left: 20px;
  font-weight: 500;
}

.hero {
  padding: 80px 0;
  text-align: center;
}

.hero h1 {
  font-size: 2.4rem;
  margin-bottom: 12px;
}

.buscador {
  display: flex;
  max-width: 480px;
  margin: 32px auto 0;
  border: 1px solid rgba(43,27,18,0.2);
  border-radius: 999px;
  overflow: hidden;
  background: white;
}

.buscador input {
  flex: 1;
  border: none;
  padding: 14px 20px;
  font-size: 1rem;
  outline: none;
}

.buscador button {
  border: none;
  background: var(--amber);
  color: var(--espresso);
  padding: 0 24px;
  font-weight: 600;
  cursor: pointer;
}

.resultados {
  list-style: none;
  max-width: 480px;
  margin: 20px auto 0;
  padding: 0;
  text-align: left;
}

.resultados li {
  display: flex;
  justify-content: space-between;
  padding: 10px 16px;
  border-bottom: 1px solid rgba(43,27,18,0.08);
  font-family: monospace;
}

.resultados .disponible { color: var(--sprout); font-weight: bold; }
.resultados .no-disponible { color: var(--brick); }
.resultados .error { color: var(--brick); }

.planes {
  padding: 60px 0;
  text-align: center;
}