/* Contacto | PREDESA. Parallax de fondo en toda la sección, como en Quiénes Somos.
   Aspecto recuperado de captura histórica.
   El formulario es únicamente visual: sin conexión a servidor ni envío. */
.ct-intro{background:#162836;color:#f7f8fa;padding:42px 0 62px}
.ct-intro h1{margin:0 0 25px;text-align:center;font-size:clamp(32px,4vw,45px);font-weight:400;letter-spacing:.025em;line-height:1.25}
.ct-intro p{margin:0;font-size:17px;line-height:1.72;color:#fff}
.ct-cuerpo{position:relative;isolation:isolate;padding:70px 0 115px;min-height:690px;background:linear-gradient(rgba(255,255,255,.68),rgba(255,255,255,.68)),url('../img/RTG-Guay.jpg') center center/cover fixed no-repeat}
.ct-cuerpo>.contenedor{position:relative;z-index:1}
.ct-distribucion{display:grid;grid-template-columns:26% minmax(0,1fr);column-gap:32px;align-items:start}
.ct-datos{text-align:center;color:#162836;padding-top:5px}
.ct-datos a{color:inherit;text-decoration:none}
.ct-datos h2{margin:0 0 18px;font-size:20px;line-height:1.3;font-weight:600}
.ct-datos p{margin:5px 0;font-size:16px;line-height:1.5}
.ct-datos a:hover{text-decoration:underline}
.ct-formulario h2{margin:0 0 24px;color:#192630;font-size:20px;font-weight:500;line-height:1.4}
.ct-formulario form{display:grid;gap:30px}
.ct-campos-dobles{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.ct-campo{min-width:0}
.ct-campo label{display:block;margin-bottom:10px;color:#1d2428;font-size:12px;line-height:1.3}
.ct-campo input,.ct-campo textarea{display:block;width:100%;border:2px solid #252525;border-radius:0;padding:10px 12px;color:#162836;background:transparent;box-sizing:border-box}
.ct-campo input{height:45px}.ct-campo textarea{height:165px;resize:vertical}
.ct-campo input:disabled,.ct-campo textarea:disabled{opacity:1;-webkit-text-fill-color:#162836;cursor:not-allowed}
.ct-enviar{justify-self:start;width:140px;height:49px;border:2px solid #252525;border-radius:0;background:#fff;color:#222;font-size:12px;cursor:not-allowed;opacity:.65}
.ct-aviso{margin:-14px 0 0;color:#52616b;font-size:13px;line-height:1.5}
@media(max-width:750px){.ct-intro{padding:36px 0 45px}.ct-intro p{font-size:15px}.ct-cuerpo{padding:40px 0 70px;min-height:auto}.ct-cuerpo{background-attachment:scroll}.ct-distribucion{grid-template-columns:1fr;gap:36px}.ct-datos{padding:0}.ct-formulario h2{text-align:center}.ct-campos-dobles{grid-template-columns:1fr;gap:24px}.ct-formulario form{gap:24px}}