/* ============================================================
   Ladrilloinv — layout.css
   Estructura: cabecera C (logotipo centrado, navegacion debajo),
   pie A (4 columnas sobre fondo oscuro), contenedores y secciones.
   ============================================================ */

/* ---------- Contenedores ---------- */
.cfes-wrap { width: 100%; max-width: var(--cfes-maxw); margin-inline: auto; padding-inline: 22px; }
.cfes-wrap-narrow { max-width: 820px; }
.cfes-main { display: block; }

/* ---------- Secciones ---------- */
.cfes-section { padding: 60px 0; }
.cfes-section-alt { background: var(--cfes-accent-soft); }
.cfes-section-head { display: flex; align-items: baseline; justify-content: space-between; gap: 20px; flex-wrap: wrap; margin-bottom: 28px; }
.cfes-section-head h2 { margin: 0; }
.cfes-section-link { font-weight: 600; font-size: 15px; color: var(--cfes-secondary); white-space: nowrap; }
.cfes-section-link:hover { color: var(--cfes-primary); }

/* ---------- Cabecera (variante C: logotipo centrado) ---------- */
.cfes-header { background: var(--cfes-surface); border-bottom: 1px solid var(--cfes-border); position: sticky; top: 0; z-index: 200; }
.cfes-header-top { position: relative; display: flex; justify-content: center; align-items: center; padding: 20px 22px 14px; }
.cfes-brand { display: flex; justify-content: center; }
.cfes-brand-text { display: inline-flex; flex-direction: column; align-items: center; gap: 2px; text-align: center; }
.cfes-brand-name { font-family: var(--cfes-font-head); font-size: 25px; color: var(--cfes-primary); letter-spacing: .3px; }
.cfes-brand-sub { font-size: 12px; color: var(--cfes-muted); max-width: 52ch; }
.cfes-rule { height: 1px; background: var(--cfes-border); margin: 0 22px; }
.cfes-nav { display: flex; align-items: center; justify-content: center; gap: 26px; padding: 12px 22px; flex-wrap: wrap; }
.cfes-menu { list-style: none; display: flex; align-items: center; gap: 24px; margin: 0; padding: 0; }
.cfes-menu a { font-size: 15px; font-weight: 500; color: var(--cfes-text); }
.cfes-menu a:hover { color: var(--cfes-secondary); }

/* Desplegable de plataformas */
.cfes-nav-platforms { position: relative; }
.cfes-platforms-toggle { display: inline-flex; align-items: center; gap: 6px; background: none; border: 0; cursor: pointer; font: 500 15px/1 var(--cfes-font-body); color: var(--cfes-text); }
.cfes-caret { width: 7px; height: 7px; border-right: 2px solid currentColor; border-bottom: 2px solid currentColor; transform: rotate(45deg); margin-top: -3px; }
.cfes-platforms-panel { position: absolute; top: calc(100% + 12px); left: 50%; transform: translateX(-50%) translateY(-8px); min-width: 240px; background: var(--cfes-surface); border: 1px solid var(--cfes-border); border-radius: var(--cfes-radius); box-shadow: var(--cfes-shadow-lg); padding: 10px; opacity: 0; visibility: hidden; transition: opacity .2s ease, transform .2s ease, visibility .2s ease; z-index: 50; }
.cfes-nav-platforms:hover .cfes-platforms-panel, .cfes-nav-platforms:focus-within .cfes-platforms-panel { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.cfes-platforms-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 2px; }
.cfes-platforms-list a { display: block; padding: 8px 12px; border-radius: var(--cfes-radius-sm); font-size: 14.5px; color: var(--cfes-text); }
.cfes-platforms-list a:hover { background: var(--cfes-accent-soft); color: var(--cfes-primary); }

/* ---------- Pie (variante A: 4 columnas oscuras) ---------- */
.cfes-footer { background: var(--cfes-primary-dark); color: rgba(255,255,255,.8); margin-top: 70px; }
.cfes-footer .cfes-footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 32px; max-width: var(--cfes-maxw); margin-inline: auto; padding: 54px 22px 40px; }
.cfes-footer-col h4 { color: #fff; margin: 0 0 14px; font-size: 16px; font-family: var(--cfes-font-head); }
.cfes-footer-col p { font-size: 14px; color: rgba(255,255,255,.72); }
.cfes-footer-note { font-size: 13px; color: rgba(255,255,255,.6); }
.cfes-footer .cfes-footer-menu { list-style: none; margin: 0; padding: 0; display: grid; gap: 9px; }
.cfes-footer .cfes-footer-menu a { color: rgba(255,255,255,.76); font-size: 14.5px; }
.cfes-footer .cfes-footer-menu a:hover { color: var(--cfes-accent); }
.cfes-footer .cfes-footer-bottom { border-top: 1px solid rgba(255,255,255,.12); max-width: var(--cfes-maxw); margin-inline: auto; padding: 18px 22px; display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap; font-size: 13.5px; color: rgba(255,255,255,.6); }
.cfes-footer .cfes-footer-bottom a { color: rgba(255,255,255,.6); }
.cfes-footer .cfes-footer-bottom a:hover { color: var(--cfes-accent); }