/* Cabecera del sitio en la calculadora ROI (página estática independiente).
   Misma apariencia que la cabecera del rediseño; solo CSS, sin JS (menú móvil con <details>). */
.rdh{position:sticky;top:0;z-index:1000;background:rgba(15,34,51,.96);backdrop-filter:blur(8px);border-bottom:1px solid rgba(255,255,255,.14);font-family:"Manrope","Ubuntu",system-ui,sans-serif}
.rdh__in{max-width:1440px;margin:0 auto;display:flex;align-items:center;gap:20px;padding:12px clamp(14px,2.4vw,32px);min-height:72px}
.rdh__brand{display:flex;align-items:center;gap:12px;color:#fff;text-decoration:none;font-weight:700;font-size:1.35rem;white-space:nowrap}
.rdh__brand img{width:44px;height:44px;border-radius:50%;box-shadow:0 0 18px rgba(43,224,247,.28)}
.rdh__nav{flex:1 1 auto;display:flex;justify-content:center}
.rdh__list{display:flex;align-items:center;gap:2px;list-style:none;margin:0;padding:0}
.rdh__list>li{position:relative}
.rdh-link{display:block;color:#cfe0ee;font-weight:600;font-size:14px;padding:.85rem .6rem;text-decoration:none;white-space:nowrap}
.rdh-link:hover,.rdh-link[aria-current]{color:#fff}
.rdh-has>.rdh-link::after{content:"";display:inline-block;margin-left:6px;border:3px solid transparent;border-top-color:currentColor;vertical-align:-1px}
.rdh-pill{border:1px solid #2be0f7;border-radius:10px;padding:.5rem .8rem;color:#fff}
.rdh-pill i{font:700 10px/1 "Cascadia Mono",Consolas,monospace;font-style:normal;letter-spacing:.08em;text-transform:uppercase;background:rgba(43,224,247,.18);color:#2be0f7;border-radius:6px;padding:4px 7px;margin-left:6px}
.rdh__cta{background:#2be0f7;color:#02222b;font-weight:800;font-size:14px;text-decoration:none;border-radius:12px;padding:12px 18px;white-space:nowrap;box-shadow:0 8px 28px -10px rgba(43,224,247,.7)}
.rdh__cta:hover{background:#6aeefb}
/* desplegables */
.rdh-mega{position:absolute;left:50%;top:100%;transform:translate(-50%,8px);min-width:340px;max-width:min(560px,calc(100vw - 32px));display:grid;grid-template-columns:1fr;background:#fff;border-radius:14px;box-shadow:0 40px 80px -24px rgba(0,0,0,.55);padding:10px;opacity:0;visibility:hidden;pointer-events:none;transition:opacity .2s,transform .2s,visibility .2s;z-index:5}
.rdh-has::after{content:"";position:absolute;left:-6px;right:-6px;top:100%;height:30px}
.rdh-has:hover>.rdh-mega,.rdh-has:focus-within>.rdh-mega{opacity:1;visibility:visible;pointer-events:auto;transform:translate(-50%,0)}
.rdh-mi{display:block;padding:10px 14px;border-radius:10px;text-decoration:none;color:#0f2233;text-align:left;white-space:normal}
.rdh-mi:hover{background:#eaf6fa}
.rdh-mi b{display:block;font-size:14px;font-weight:700}
.rdh-mi small{display:block;font-size:12.5px;color:#4c6479;line-height:1.35;margin-top:2px}
/* menú móvil */
.rdh-m{display:none;margin-left:auto}
.rdh-m summary{list-style:none;cursor:pointer;width:42px;height:42px;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:5px;border:1px solid rgba(255,255,255,.35);border-radius:10px}
.rdh-m summary::-webkit-details-marker{display:none}
.rdh-m summary span{width:20px;height:2px;background:#fff;display:block}
.rdh-m__panel{position:absolute;left:0;right:0;top:100%;background:#0f2233;padding:8px 16px 20px;max-height:calc(100vh - 80px);overflow:auto;border-radius:0 0 14px 14px;box-shadow:0 30px 60px -20px rgba(0,0,0,.6)}
.rdh-m__panel a{display:block;color:#e7f1f8;text-decoration:none;font-weight:600;padding:10px 4px;border-bottom:1px solid rgba(255,255,255,.08)}
.rdh-m__h{margin:14px 0 4px;font:700 11px/1 "Cascadia Mono",Consolas,monospace;letter-spacing:.12em;text-transform:uppercase;color:#9db6c8}
.rdh-m__panel .rdh-m__cta{margin-top:16px;text-align:center;background:#2be0f7;color:#02222b;border:0;border-radius:12px;padding:13px 16px;font-weight:800}
@media (min-width:992px) and (max-width:1219px){.rdh__list>li:nth-child(4),.rdh__list>li:nth-child(5){display:none}}
@media (max-width:991px){.rdh__nav,.rdh__cta{display:none}.rdh-m{display:block}.rdh__in{position:relative}}
@media (prefers-reduced-motion:reduce){.rdh-mega{transition:none}}