:root {
  --bg: #0f172a;
  --bg-accent: #1e293b;
  --card: #ffffff;
  --text: #0f172a;
  --muted: #64748b;
  --border: #e2e8f0;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --badge-bg: #eff6ff;
  --badge-text: #2563eb;
  --ok-bg: #ecfdf5;
  --ok-text: #047857;
  --error-bg: #fef2f2;
  --error-text: #b91c1c;
}

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

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  padding: 1.5rem;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background: radial-gradient(circle at top, var(--bg-accent), var(--bg));
}

.card {
  width: 100%;
  max-width: 520px;
  background: var(--card);
  border-radius: 20px;
  padding: 3rem 2.5rem;
  text-align: center;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
}

/* --- Barra superior con selector de idioma --- */
.topbar {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  margin-bottom: 0.75rem;
}

.lang-form {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.lang-icon {
  font-size: 0.95rem;
  line-height: 1;
  opacity: 0.7;
}

.lang-select {
  font-family: inherit;
  font-size: 0.85rem;
  color: var(--text);
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.3rem 0.6rem;
  cursor: pointer;
}

.lang-select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.lang-go {
  font: inherit;
  font-size: 0.8rem;
  margin-left: 0.3rem;
  padding: 0.3rem 0.6rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
  cursor: pointer;
}

.badge {
  display: inline-block;
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  background: var(--badge-bg);
  color: var(--badge-text);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.domain {
  margin: 1.25rem 0 0.75rem;
  font-size: clamp(1.8rem, 6vw, 2.75rem);
  font-weight: 800;
  word-break: break-word;
  color: var(--text);
}

.lead {
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.price {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 1.5rem;
}

/* --- Alertas --- */
.alert {
  text-align: left;
  border-radius: 12px;
  padding: 0.85rem 1rem;
  margin-bottom: 1.25rem;
  font-size: 0.95rem;
  line-height: 1.5;
}

.alert--ok {
  background: var(--ok-bg);
  color: var(--ok-text);
}

.alert--error {
  background: var(--error-bg);
  color: var(--error-text);
}

.alert ul {
  margin: 0;
  padding-left: 1.1rem;
}

/* --- Formulario --- */
.form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  text-align: left;
  margin-top: 0.5rem;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.field span {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
}

.field input,
.field textarea {
  width: 100%;
  padding: 0.7rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 1rem;
  font-family: inherit;
  color: var(--text);
  background: #fff;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.field textarea {
  resize: vertical;
  min-height: 110px;
}

.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.field input::placeholder,
.field textarea::placeholder {
  color: #94a3b8;
}

/* Campo trampa anti-spam: fuera de pantalla pero relleno por bots */
.hp {
  position: absolute;
  left: -5000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.cta {
  display: inline-block;
  width: 100%;
  padding: 0.85rem 2.2rem;
  border: none;
  border-radius: 12px;
  background: var(--accent);
  color: #fff;
  font-size: 1.05rem;
  font-weight: 600;
  font-family: inherit;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.1s ease;
}

.cta:hover {
  background: var(--accent-hover);
}

.cta:active {
  transform: translateY(1px);
}

/* --- Cabecera de la sección de formulario --- */
.form-header {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  text-align: left;
}

.form-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
}

.form-subtitle {
  margin-top: 0.25rem;
  font-size: 0.9rem;
  color: var(--muted);
}

/* Nota de plazo bajo el formulario */
.note {
  margin-top: 1.1rem;
  text-align: center;
  font-size: 0.82rem;
  color: var(--muted);
}

.footer {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.85rem;
}

@media (max-width: 480px) {
  .card {
    padding: 2.25rem 1.5rem;
  }
}