html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  font-family: 'Poppins', sans-serif;
  color: #0d1b3f;
  overflow-x: hidden;
}

canvas#fondo {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  background: radial-gradient(circle at top, #0b184a, #03091e 70%);
}

/* === CONTENEDOR === */
.contenido {
  position: relative;
  z-index: 10;
  max-width: 950px;
  margin: 60px auto;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(12px);
  padding: 40px 50px;
  border-radius: 18px;
  box-shadow: 0 0 30px rgba(0,0,0,0.3);
  color: #fff;
}
h1, h3 { color: #fff; }
label { display:block; margin-top:10px; font-weight:600; }

/* === INPUTS Y SELECT === */
input, select {
  width:100%;
  padding:10px;
  border:1px solid rgba(255,255,255,0.4);
  background:rgba(255,255,255,0.1);
  color:#fff;
  border-radius:6px;
  font-size:0.95rem;
}
input::placeholder { color:#ccc; }
select option { background:#fff; color:#000; }

.help-text { color:#ccc; font-size:0.8rem; }
.error-text { color:#ff6666; font-size:0.9rem; display:none; margin-top:5px; }

/* === RUT inline === */
.rut-group { display:flex; align-items:center; gap:6px; }
#rut_num, #rut_dv {
  border:1px solid rgba(255,255,255,0.4);
  background:rgba(255,255,255,0.1);
  color:#fff;
  border-radius:6px;
  font-size:0.95rem;
  padding:8px 10px;
}
#rut_num { width:140px; text-align:right; }
#rut_dv { width:40px; text-align:center; }
#rut_num::placeholder, #rut_dv::placeholder { color:#ccc; }

/* === BOTONES === */
button {
  margin-top:15px; padding:12px 20px;
  background: linear-gradient(135deg,#3c6ef0,#1a2d74);
  color:#fff; border:none; border-radius:8px;
  font-weight:600; cursor:pointer; transition:0.3s;
}
button:hover { transform:scale(1.03); box-shadow:0 4px 10px rgba(0,0,0,0.25); }
.btn-enviar { margin-top:25px; width:100%; }
.boton-eliminar { background:#c0392b!important; }

.nino-bloque {
  background:rgba(255,255,255,0.08);
  border:2px solid rgba(255,255,255,0.2);
  border-radius:10px;
  padding:20px;
  margin-top:20px;
}
.nino-titulo { font-weight:700; margin-bottom:10px; color:#ffda79; }

.imagen-check {
  display:flex;
  align-items:center;
  gap:10px;
  margin-top:15px;
}

/* === TÉRMINOS === */
.btn-ver-terminos {
  background:rgba(255,255,255,0.15);
  color:#fff;
  border:2px solid #4a90ff;
  padding:14px 26px;
  border-radius:8px;
  font-weight:600;
  font-size:1rem;
}
.btn-ver-terminos:hover {
  background:#4a90ff;
  color:#fff;
}
.terminos-box {
  display:flex;
  align-items:center;
  justify-content:center;
  gap:14px;
  margin-top:20px;
  flex-wrap:wrap;
}
.terminos-box input[type="checkbox"] {
  width:28px; height:28px;
  accent-color:#4a90ff;
  cursor:pointer;
}
.terminos-box span {
  font-size:1rem;
  color:#fff;
}

/* === MODAL === */
#modalTerminos {
  display:none;
  position:fixed;
  z-index:1000;
  left:0; top:0;
  width:100%; height:100%;
  background-color:rgba(0,0,0,0.8);
  justify-content:center;
  align-items:center;
}
#modalTerminos .contenido-modal {
  background:#fff;
  color:#000;
  border-radius:12px;
  padding:25px;
  max-width:750px;
  max-height:80vh;
  overflow-y:auto;
  position:relative;
}
#modalTerminos .cerrar {
  position:absolute;
  right:20px; top:10px;
  font-size:1.8rem;
  cursor:pointer;
}
.btn-aceptar {
  margin-top:1rem;
  width:100%;
  background:linear-gradient(135deg,#ffcc33,#ff8800);
  color:#000;
  font-weight:700;
  border:none;
  border-radius:8px;
  padding:12px;
  cursor:pointer;
}

/* === FOOTER === */
footer {
  text-align:center;
  margin-top:40px;
  font-size:0.9rem;
  color:#ccc;
}