/* Goma Técnica — estilos compartidos de páginas internas (Fase 2 multi-página).
   Reusa el sistema de diseño de la home (navy + rojo, Inter). */
:root{
  --navy:#0E2A47; --navy2:#0A1F38; --navy3:#1C3A5C;
  --accent:#DD2018; --accent-d:#B5170F;
  --ink:#16202E; --sub:#5A6B7E; --grayt:#C7D2DE;
  --bg:#F4F6F8; --line:#E5E9EF; --white:#FFFFFF; --wpp:#25D366;
  --maxw:1200px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;color:var(--ink);background:var(--white);line-height:1.6}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
a{text-decoration:none;color:inherit}
img{display:block;max-width:100%}
.eyebrow{font-size:13px;font-weight:600;letter-spacing:.18em;color:var(--accent);text-transform:uppercase}
h2{font-size:clamp(24px,3.4vw,32px);font-weight:800;letter-spacing:-.01em;color:var(--ink)}
h3{font-size:19px;font-weight:700;color:var(--ink)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:8px;font-weight:600;font-size:16px;padding:14px 24px;cursor:pointer;border:1.5px solid transparent;transition:.15s}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:var(--accent-d)}
.btn-ghost{background:transparent;color:#fff;border-color:#3A5575}
.btn-ghost:hover{border-color:#fff}
.btn-light{background:#fff;color:var(--accent-d);font-weight:700}
.btn-outline-navy{background:transparent;color:var(--navy);border-color:var(--navy)}
.btn-outline-navy:hover{background:var(--navy);color:#fff}

/* HEADER */
header{background:var(--navy);position:sticky;top:0;z-index:50}
.topbar{background:var(--navy2)}
.topbar-in{display:flex;justify-content:flex-end;gap:28px;padding:8px 0;font-size:13.5px}
.topbar-in a{color:var(--grayt);display:flex;align-items:center;gap:7px}
.topbar-in a:hover{color:#fff}
@media(max-width:560px){.topbar-in{justify-content:center;gap:16px;font-size:12px}}
.nav{display:flex;align-items:center;justify-content:space-between;padding:14px 0;gap:20px}
.logo-chip{line-height:0}
.logo-chip img{height:60px}
.menu{display:flex;gap:26px}
.menu a{font-size:15px;font-weight:500;color:var(--grayt)}
.menu a:hover,.menu a.active{color:#fff}
.burger{display:none;background:none;border:0;color:#fff;cursor:pointer;padding:4px}
.burger svg{width:30px;height:30px;display:block}

/* BREADCRUMB */
.crumbs{background:var(--bg);border-bottom:1px solid var(--line)}
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:8px;align-items:center;padding:12px 0;font-size:13.5px;color:var(--sub)}
.crumbs li{display:flex;align-items:center;gap:8px}
.crumbs li+li::before{content:'›';color:var(--grayt)}
.crumbs a:hover{color:var(--accent)}
.crumbs [aria-current]{color:var(--ink);font-weight:600}

/* HERO de página interna */
.phero{background:linear-gradient(90deg,var(--navy2) 0%,var(--navy) 60%);color:#fff}
.phero .in{max-width:820px;padding:56px 0}
.phero h1{font-size:clamp(28px,4.4vw,44px);font-weight:800;line-height:1.12;letter-spacing:-.02em;margin:12px 0 16px}
.phero p{font-size:18px;color:#E4EBF2;margin-bottom:24px}
.phero .btns{display:flex;gap:12px;flex-wrap:wrap}

/* CONTENIDO */
section.block{padding:56px 0}
.block.alt{background:var(--bg)}
.grid2{display:grid;grid-template-columns:1.6fr 1fr;gap:48px;align-items:start}
@media(max-width:900px){.grid2{grid-template-columns:1fr;gap:32px}}
.prose p{font-size:16.5px;color:#33414f;margin-bottom:16px}
.prose h2{margin:34px 0 12px}
.prose h3{margin:24px 0 8px}
.prose ul{margin:0 0 16px 20px}
.prose li{font-size:16px;color:#33414f;margin-bottom:8px}
.lead{font-size:18px;color:var(--sub);max-width:780px;margin-bottom:8px}

/* Ficha lateral (aside) */
.aside{position:sticky;top:100px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px;box-shadow:0 10px 30px rgba(14,42,71,.06)}
.aside h3{font-size:17px;margin-bottom:12px}
.aside .row{display:flex;justify-content:space-between;gap:12px;padding:9px 0;border-top:1px solid var(--line);font-size:14.5px}
.aside .row:first-of-type{border-top:0}
.aside .row .k{color:var(--sub)}
.aside .row .v{color:var(--ink);font-weight:600;text-align:right}
.aside .btn{width:100%;margin-top:16px}
.tag{display:inline-block;background:#FBECEA;color:var(--accent-d);font-size:12.5px;font-weight:600;padding:4px 10px;border-radius:100px;margin:0 6px 6px 0}

/* Cards de features / especificaciones */
.feat{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:8px}
@media(max-width:800px){.feat{grid-template-columns:1fr}}
.feat .c{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px}
.feat .c .ic{width:44px;height:44px;border-radius:10px;background:var(--accent);display:flex;align-items:center;justify-content:center;color:#fff;margin-bottom:12px;font-size:20px;font-weight:800}
.feat .c h3{font-size:16.5px;margin-bottom:6px}
.feat .c p{font-size:14.5px;color:var(--sub)}

/* Tabla técnica */
.tbl{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;margin:8px 0 4px}
.tbl thead th{background:var(--navy);color:#fff;font-size:13px;font-weight:700;letter-spacing:.04em;text-align:left;padding:13px 20px}
.tbl td{padding:13px 20px;font-size:14.5px;color:var(--sub);border-top:1px solid var(--line)}
.tbl td:first-child{font-weight:600;color:var(--ink)}
.tbl tbody tr:nth-child(even){background:#FAFBFC}
.tblwrap{overflow-x:auto}

/* Galería */
.gal{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
@media(max-width:700px){.gal{grid-template-columns:1fr 1fr}}
.gal img{width:100%;height:220px;object-fit:cover;border-radius:12px;border:1px solid var(--line)}

/* FAQ (details/summary, sin JS) */
.faq{max-width:820px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:12px;overflow:hidden}
.faq summary{cursor:pointer;list-style:none;padding:18px 22px;font-weight:600;font-size:16px;color:var(--ink);display:flex;justify-content:space-between;align-items:center;gap:12px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:'+';color:var(--accent);font-size:24px;font-weight:700;line-height:1}
.faq details[open] summary::after{content:'–'}
.faq details[open] summary{border-bottom:1px solid var(--line)}
.faq .a{padding:16px 22px;font-size:15.5px;color:#33414f}

/* Related */
.rel{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
@media(max-width:900px){.rel{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.rel{grid-template-columns:1fr}}
.rel a{background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px 20px;transition:.15s;display:block}
.rel a:hover{box-shadow:0 12px 26px rgba(14,42,71,.1);transform:translateY(-3px);border-color:#d8dee7}
.rel .n{font-weight:700;color:var(--ink);font-size:15.5px}
.rel .m{font-size:13px;color:var(--accent);font-weight:600;margin-top:6px}

/* Banda CTA */
.ctaf{background:var(--accent);color:#fff;text-align:center;padding:56px 0}
.ctaf h2{color:#fff}
.ctaf p{font-size:18px;color:#FFE2DF;max-width:640px;margin:12px auto 22px}
.ctaf .btns{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}

/* Formulario */
.cform{background:#fff;border:1px solid var(--line);border-radius:16px;padding:28px}
.cform .row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media(max-width:560px){.cform .row2{grid-template-columns:1fr}}
.cform input,.cform textarea,.cform select{width:100%;padding:12px 13px;border:1px solid var(--line);border-radius:8px;font-family:inherit;font-size:15px;margin-bottom:12px;background:var(--bg)}
.cform textarea{min-height:120px;resize:vertical}
.cform button{width:100%}

/* Aviso de placeholder (solo interno, se puede quitar) */
.confirmar{background:#FFF7E6;border:1px dashed #E0A93B;color:#7a5b17;font-size:13px;border-radius:8px;padding:8px 12px;margin:10px 0}

/* FOOTER */
footer{background:var(--navy);color:var(--grayt)}
.fcols{display:grid;grid-template-columns:1.8fr 1.2fr 1.2fr 1.4fr;gap:40px;padding:56px 0 36px}
.logo-chip.foot{display:inline-block;margin-bottom:14px}
.logo-chip.foot img{height:56px}
.fcols p{font-size:14px;line-height:1.6;max-width:300px}
.fcols h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:12px}
.fcols ul{list-style:none}
.fcols li{font-size:14px;margin-bottom:9px}
.fcols li a:hover{color:#fff}
.fbottom{border-top:1px solid #1d3a5c;padding:18px 0;display:flex;justify-content:space-between;font-size:13px;flex-wrap:wrap;gap:8px}
@media(max-width:900px){.fcols{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.fcols{grid-template-columns:1fr}}

/* WhatsApp flotante */
.floatbtns{position:fixed;right:22px;bottom:22px;z-index:99}
.fbtn{width:56px;height:56px;border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 24px rgba(0,0,0,.24);transition:.15s;background:#25D366}
.fbtn:hover{transform:translateY(-2px)}
.fbtn svg{width:28px;height:28px;fill:#fff}

/* Responsive nav */
@media(max-width:860px){
  .burger{display:block}
  .nav-cta{display:none}
  .menu{display:none;position:absolute;top:100%;left:0;right:0;background:var(--navy2);flex-direction:column;gap:0;padding:6px 0;box-shadow:0 14px 24px rgba(0,0,0,.35)}
  .menu.open{display:flex}
  .menu a{padding:13px 24px;font-size:16px;border-top:1px solid rgba(255,255,255,.06)}
}