/* Ingepubliweb — estilos del sitio (propuesta A) */
:root{
  --navy:#0B2545;
  --navy-2:#13325C;
  --accent:#1F5FD1;
  --accent-hover:#174CAB;
  --ink:#1B2430;
  --muted:#4A5568;
  --line:#E3E8EF;
  --soft:#F4F7FB;
  --pale:#D6E1F5;
  --pale-2:#A9C4F5;
  --amber:#FFB547;
  --wa:#25D366;
  --radius:12px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:var(--ink);background:#fff;line-height:1.5;-webkit-font-smoothing:antialiased}
h1,h2,h3{font-family:"Space Grotesk",Inter,sans-serif;line-height:1.1;margin:0}
p{margin:0}
img,svg{max-width:100%}
a{color:var(--navy)}
a:hover{color:var(--accent)}
.contenedor{max-width:1200px;margin:0 auto;padding:0 24px}
.seccion{padding:88px 0}
.seccion-titulo{font-size:clamp(28px,4vw,38px);color:var(--navy);margin-bottom:12px}
.seccion-sub{font-size:18px;color:var(--muted);max-width:680px;margin-bottom:40px}
.oscuro{background:var(--navy);color:#fff}
.oscuro .seccion-titulo{color:#fff}
.suave{background:var(--soft)}
.saltar{position:absolute;left:-999px;top:0;background:#fff;padding:12px;z-index:100}
.saltar:focus{left:12px}

/* Botones */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:44px;padding:13px 22px;border-radius:8px;font-weight:600;font-size:16px;text-decoration:none;border:1px solid transparent;cursor:pointer;font-family:inherit;transition:background .2s,color .2s,border-color .2s}
.btn-primario{background:var(--accent);color:#fff}
.btn-primario:hover{background:var(--accent-hover);color:#fff}
.btn-blanco{background:#fff;color:var(--navy)}
.btn-blanco:hover{background:var(--pale);color:var(--navy)}
.btn-borde{border-color:#5E7BA8;color:#fff;background:transparent}
.btn-borde:hover{border-color:#fff;color:#fff}
.btn-borde-oscuro{border-color:var(--navy);color:var(--navy);background:#fff}
.btn-borde-oscuro:hover{background:var(--navy);color:#fff}
.btn-oscuro{background:var(--navy);color:#fff}
.btn-oscuro:hover{background:var(--navy-2);color:#fff}
.btn-wa{background:var(--wa);color:var(--navy);font-weight:700}
.btn-wa:hover{background:#1FB959;color:var(--navy)}
.btn svg{flex:none}

/* Encabezado */
.encabezado{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line)}
.encabezado .contenedor{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:72px}
.marca{display:flex;align-items:center;gap:10px;font-family:"Space Grotesk",sans-serif;font-weight:700;font-size:23px;letter-spacing:-.01em;color:var(--navy);text-decoration:none}
.marca img{width:40px;height:40px}
.marca-web{color:var(--accent)}
.menu{display:flex;align-items:center;gap:24px}
.menu a{text-decoration:none;font-size:15px;font-weight:500}
.menu-boton{display:none;background:none;border:1px solid var(--line);border-radius:8px;width:44px;height:44px;cursor:pointer;align-items:center;justify-content:center;color:var(--navy)}

/* Banner */
.banner{position:relative;overflow:hidden;background:var(--navy);color:#fff}
#particulas{position:absolute;inset:0;z-index:0}
#particulas canvas{display:block}
.banner .contenedor{position:relative;z-index:1;display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:56px;align-items:center;padding-top:96px;padding-bottom:96px}
.banner-texto{display:flex;flex-direction:column;gap:24px}
.eyebrow{font-size:14px;letter-spacing:.08em;text-transform:uppercase;color:var(--pale-2);font-weight:600}
.banner h1{font-size:clamp(38px,5.5vw,56px);font-weight:700}
.banner-lead{font-size:19px;color:var(--pale)}
.botones{display:flex;flex-wrap:wrap;gap:12px}
.tarjeta-incluye{background:rgba(19,50,92,.92);border-radius:16px;padding:32px;display:flex;flex-direction:column;gap:18px}
.tarjeta-incluye h2{font-family:Inter,sans-serif;font-size:17px;font-weight:600}
.lista-check{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:16px}
.lista-check li{display:flex;gap:12px;align-items:flex-start;color:var(--pale)}
.lista-check svg{flex:none;margin-top:1px}

/* Tarjetas genéricas */
.rejilla-3{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:24px}
.tarjeta{border:1px solid var(--line);border-radius:var(--radius);padding:28px;background:#fff}
.tarjeta h3{font-size:21px;color:var(--navy);margin-bottom:10px}
.tarjeta p{color:var(--muted)}

/* Planes */
.planes{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px}
.plan{background:#fff;border:1px solid var(--line);border-radius:16px;padding:32px;display:flex;flex-direction:column;gap:16px}
.plan-destacado{border:2px solid var(--accent)}
.plan-etiqueta{font-size:13px;font-weight:700;color:var(--accent);text-transform:uppercase;letter-spacing:.06em}
.plan h3{font-size:22px;color:var(--navy)}
.plan-para{color:var(--muted)}
.precio{font-size:34px;font-weight:700;color:var(--navy);font-family:"Space Grotesk",sans-serif}
.precio small{font-size:16px;font-weight:500;color:var(--muted);font-family:Inter,sans-serif}
.plan ul{margin:0;padding-left:20px;color:var(--muted);display:flex;flex-direction:column;gap:6px}
.plan .btn{margin-top:auto}
.franja-web{margin-top:24px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:28px 32px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px}
.franja-web h3{font-size:22px;color:var(--navy);margin-bottom:6px}
.franja-web p{color:var(--muted);max-width:720px}
.franja-web strong{color:var(--navy)}
.nota-precios{margin-top:20px;font-size:14px;color:var(--muted)}

/* Vidrios */
.vidrios .contenedor{display:flex;flex-direction:column;gap:48px}
.dos-col{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:48px}
.dos-col.abajo{align-items:end}
.dos-col.arriba{align-items:start}
.insignia{align-self:flex-start;background:var(--amber);color:var(--navy);padding:6px 14px;border-radius:999px;font-size:13px;font-weight:700;letter-spacing:.06em;text-transform:uppercase}
.vidrios-intro{display:flex;flex-direction:column;gap:18px}
.vidrios h2{font-size:clamp(30px,4.5vw,44px)}
.vidrios .lead{font-size:18px;color:var(--pale)}
.caja-medidas{background:var(--navy-2);border-radius:16px;padding:28px;display:flex;flex-direction:column;gap:10px}
.caja-medidas h3{font-family:Inter,sans-serif;font-size:17px;font-weight:600}
.caja-medidas p{color:var(--pale)}
.caja-medidas .aviso{color:var(--pale-2);font-size:14px}
.pasos{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px}
.pasos li{border-top:3px solid var(--amber);padding-top:18px;display:flex;flex-direction:column;gap:8px}
.pasos h3{font-size:20px}
.pasos p{color:var(--pale)}
.opciones{display:flex;flex-direction:column;gap:16px}
.opciones h3{font-size:24px}
.chips{display:flex;flex-wrap:wrap;gap:10px;list-style:none;margin:0;padding:0}
.chips li{border:1px solid #5E7BA8;border-radius:999px;padding:10px 18px;color:var(--pale)}
.precio-vidrio{font-size:32px;font-weight:700;font-family:"Space Grotesk",sans-serif;margin-top:8px}
.vidrios .nota{color:var(--pale-2)}
.gabinete{width:100%;max-width:460px;height:auto;margin-top:12px}

/* Formularios */
.formulario{background:#fff;color:var(--ink);border-radius:16px;padding:32px;display:flex;flex-direction:column;gap:12px}
.formulario h3{font-family:Inter,sans-serif;font-size:18px;font-weight:700;color:var(--navy);margin-bottom:4px}
.formulario label{font-weight:600;font-size:14px}
.formulario input,.formulario select,.formulario textarea{width:100%;padding:12px;border:1px solid #C5CFDC;border-radius:8px;font-size:16px;min-height:44px;font-family:inherit;background:#fff;color:var(--ink)}
.formulario input:focus,.formulario select:focus,.formulario textarea:focus{outline:2px solid var(--accent);outline-offset:1px;border-color:var(--accent)}
.campo{display:flex;flex-direction:column;gap:6px}
.fila-2{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:12px}
.formulario .btn{margin-top:8px;width:100%}
.formulario .ayuda{font-size:13px;color:var(--muted)}

/* Clientes */
.logos{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;list-style:none;margin:0 0 40px;padding:0}
.logos li>a,.logos li>div{height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;border:1px solid var(--line);border-radius:12px;padding:24px 20px;background:#fff;text-decoration:none;color:var(--muted);font-weight:600;transition:border-color .2s,box-shadow .2s}
.logos li>a:hover{border-color:var(--accent);box-shadow:0 6px 18px rgba(11,37,69,.08);color:var(--navy)}
.logos img{width:auto;height:80px;max-width:100%;object-fit:contain}
.testimonio{margin:0;background:var(--soft);border-radius:var(--radius);padding:28px}
.testimonio blockquote{margin:0 0 14px;font-size:18px;color:var(--ink)}
.testimonio figcaption{color:var(--muted);font-size:15px}

/* Contacto */
.contacto .contenedor{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:48px;align-items:start}
.contacto-texto{display:flex;flex-direction:column;gap:18px}
.contacto-texto .lead{font-size:18px;color:var(--pale)}
.condiciones{font-size:14px;color:var(--pale-2);border-left:0;background:rgba(255,255,255,.06);border-radius:10px;padding:14px 16px}
.datos-lista{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px;color:var(--pale)}
.datos-lista li{display:flex;gap:12px;align-items:center}
.datos-lista svg{flex:none;color:var(--pale-2)}
.datos-lista a{color:#fff;font-weight:600}

/* Pie */
.pie{border-top:1px solid var(--line)}
.pie .contenedor{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;padding-top:32px;padding-bottom:32px;color:var(--muted);font-size:14px}

/* Botón flotante WhatsApp */
.wa-flotante{position:fixed;right:20px;bottom:20px;z-index:60;width:58px;height:58px;border-radius:50%;background:var(--wa);display:flex;align-items:center;justify-content:center;box-shadow:0 8px 24px rgba(0,0,0,.25)}
.wa-flotante:hover{transform:scale(1.05)}

/* Animaciones del gabinete */
@keyframes giro{to{transform:rotate(360deg)}}
@keyframes brillo{0%{transform:translateX(-200px) skewX(-18deg)}55%,100%{transform:translateX(380px) skewX(-18deg)}}
@keyframes tono{to{filter:hue-rotate(360deg)}}
@keyframes pulso{0%,100%{opacity:.55}50%{opacity:1}}
.fan{transform-box:fill-box;transform-origin:center;animation:giro 1.4s linear infinite}
.shine{animation:brillo 4s ease-in-out infinite}
.rgb{animation:tono 8s linear infinite}
.glow{animation:pulso 3s ease-in-out infinite}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  .fan,.shine,.rgb,.glow{animation:none}
}

/* Móvil */
@media (max-width: 860px){
  .menu-boton{display:inline-flex}
  .menu{display:none;position:absolute;top:72px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;gap:0;padding:8px 24px 20px}
  .menu.abierto{display:flex}
  .menu a{padding:12px 0;border-bottom:1px solid var(--line)}
  .menu .btn{margin-top:12px;border-bottom:0}
  .seccion{padding:64px 0}
  .banner .contenedor{padding-top:64px;padding-bottom:64px;gap:36px}
  .formulario,.plan,.tarjeta-incluye{padding:24px}
}

/* Garantías */
.sub-titulo{font-size:24px;color:var(--navy);margin:8px 0 24px}
.garantias{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
.garantias .tarjeta{display:flex;flex-direction:column;gap:10px}
.garantias .tarjeta h3{margin-bottom:0}