:root{
  /* Paleta azul clara consistente */
  --bg:#f2f7ff;
  --card:#ffffff;
  --muted:#54617a;
  --text:#0b1220;
  --accent:#1769ff;
  --accent-2:#00b0ff;
  --border:rgba(0,0,0,.12);
  --chip:#ffffff;
}
/* Fuerza esquema claro (evita que el SO active modo oscuro) */
:root{ color-scheme: light; }
@media (prefers-color-scheme: dark){
  :root{ color-scheme: light; }
}
/* Reset base + tipografía */
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,'Noto Sans',sans-serif;
  color:var(--text);
  background:var(--bg) !important; /* ¡Evita fondo negro en desktop! */
  min-height:100dvh;
}
/* Layout contenedor */
.container{max-width:980px;margin:32px auto;padding:0 20px}
.header{display:flex;align-items:center;gap:16px;margin-bottom:16px;flex-wrap:wrap}
.header img{height:48px;width:auto;border-radius:8px;border:1px solid var(--border);background:#fff}
.title{font-size:clamp(20px,2.6vw,30px);font-weight:700;letter-spacing:.2px;color:#081020}
.card{
  background:var(--card) !important;
  border:1px solid var(--border) !important;
  border-radius:16px;
  padding:22px;
  box-shadow:0 6px 18px rgba(0,0,0,.08);
}
/* Grid del formulario */
.grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.grid-1{grid-template-columns:1fr}
/* Campos */
label{display:block;font-weight:600;margin:8px 0 6px;color:#12213a}
input[type=text],input[type=email],input[type=tel],textarea,select{
  width:100%;padding:12px 14px;border-radius:12px;
  border:1px solid var(--border);background:#fff;color:var(--text);
  outline:none;transition:.15s border,.15s box-shadow;font-size:16px;
}
textarea{min-height:110px;resize:vertical}
input:focus,textarea:focus,select:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(23,105,255,.15)}
.helper{color:var(--muted);font-size:.92rem;margin-top:4px}
.section-title{margin:20px 0 10px;font-weight:800;color:#0a1a33}
/* Chips radios/checkbox */
.chip-group{display:flex;flex-wrap:wrap;gap:10px}
.radio-chip,.check-chip{
  display:inline-flex;align-items:flex-start;gap:10px;
  background:var(--chip);border:1px solid var(--border);
  padding:10px 14px;border-radius:12px;user-select:none;
  box-shadow:0 2px 8px rgba(0,0,0,.04)
}
.radio-chip input,.check-chip input{accent-color:var(--accent);margin-top:2px}
.radio-chip:hover,.check-chip:hover{box-shadow:0 4px 12px rgba(0,0,0,.06)}
.chip-text{line-height:1.35}
/* Bloque consentimientos */
.consent-card{background:#fff;border:1px solid var(--border);border-radius:14px;padding:14px;margin-top:14px}
.consent-title{font-weight:700;margin-bottom:8px}
.consent-desc{font-size:.92rem;color:var(--muted);margin-bottom:6px}
.consent-links a{color:var(--accent);text-decoration:none;border-bottom:1px dashed rgba(23,105,255,.4);padding-bottom:1px}
.consent-links a:hover{opacity:.85}
/* Selects de centro (3 columnas → stack en móvil) */
.center-select{display:grid;grid-template-columns:1fr 1fr 2fr;gap:12px}
/* Botón */
.btn{
  padding:12px 16px;border-radius:12px;border:1px solid var(--border);
  background:linear-gradient(90deg,var(--accent),var(--accent-2));
  color:#fff;font-weight:700;cursor:pointer;box-shadow:0 8px 24px rgba(23,105,255,.25)
}
.btn:disabled{opacity:.6;cursor:not-allowed}
/* Otros */
hr{border:none;border-top:1px solid var(--border);margin:18px 0}
.hide{display:none!important}
.note{font-size:.9rem;color:var(--muted);margin-top:8px}
.badge{display:inline-block;padding:6px 10px;border-radius:999px;background:#d7e8ff;border:1px solid var(--border);font-size:.86rem;color:#0a1a33}
/* Responsividad real */
@media (max-width: 920px){
  .grid{grid-template-columns:1fr}
  .center-select{grid-template-columns:1fr}
  .btn{width:100%}
  .header{justify-content:flex-start}
}
@media (max-width: 520px){
  .container{padding:0 14px}
  .card{padding:16px}
  .radio-chip,.check-chip{width:100%}
  .badge{width:100%}
  .header img{height:40px}
}
/* Targets táctiles */
input[type=checkbox],input[type=radio]{width:18px;height:18px}
label, .radio-chip, .check-chip{touch-action:manipulation}
/* File input */
input[type=file]{background:#fff;border-radius:12px;border:1px solid var(--border);padding:10px}