/* ============================================================
   navbar-105.css  — Navbar FIJO con logo 105 años CEPE-UNAM
   Incluir DESPUÉS de riptide-theme.css y coloquio-cepe.css
   ============================================================ */

/* ── COMPENSACIÓN BODY para navbar-fixed-top ─────────────── */
body {
  padding-top: 73px !important;
}

/* ── NAVBAR FIJO ─────────────────────────────────────────── */
.navbar-default {
  background-color: var(--azul, #1A3A6E) !important;
  border: none !important;
  border-bottom: 3px solid var(--dorado-vivo, #b89a00) !important;
  border-radius: 0 !important;
  min-height: 70px;
  box-shadow: 0 3px 16px rgba(0, 0, 0, .30);
  z-index: 1030 !important;
}

.navbar-default .container {
  display: flex;
  align-items: center;
  min-height: 70px;
}

/* ── LOGO 105 AÑOS ────────────────────────────────────────── */
.navbar-brand.navbar-brand-105 {
  padding: 6px 15px 6px 0;
  height: auto;
  line-height: 1;
  display: flex;
  align-items: center;
  position: relative;
}

.navbar-brand.navbar-brand-105 img {
  height: 54px;
  width: auto;
  max-width: none;
  display: block;
  filter: drop-shadow(0 1px 3px rgba(0,0,0,.3));
  transition: opacity .2s;
}

.navbar-brand.navbar-brand-105:hover img,
.navbar-brand.navbar-brand-105:focus img {
  opacity: .88;
}

/* Línea dorada decorativa bajo el logo */
.navbar-brand.navbar-brand-105::after {
  content: '';
  display: block;
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 3px;
  /*background: var(--dorado-vivo, #b89a00);*/
  border-radius: 2px;
}

/* ── LINKS DEL MENÚ ──────────────────────────────────────── */
.navbar-default .navbar-nav > li > a {
  color: rgba(255, 255, 255, .82) !important;
  font-family: var(--fuente-titulo, 'Montserrat', sans-serif);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: .05em;
  text-transform: uppercase;
  padding: 26px 13px;
  line-height: 18px;
  transition: color .18s, border-color .18s;
  border-bottom: 3px solid transparent;
  margin-bottom: -3px;
}

.navbar-default .navbar-nav > li > a:hover,
.navbar-default .navbar-nav > li > a:focus {
  color: var(--dorado-vivo, #b89a00) !important;
  background: transparent !important;
  border-bottom-color: var(--dorado-vivo, #b89a00);
}

.navbar-default .navbar-nav > .active > a,
.navbar-default .navbar-nav > .active > a:hover,
.navbar-default .navbar-nav > .active > a:focus {
  color: var(--dorado-vivo, #b89a00) !important;
  background: transparent !important;
  font-weight: 700;
  border-bottom-color: var(--dorado-vivo, #b89a00);
}

/* Highlight scroll-spy */
#top-menu > li.active > a {
  color: var(--dorado-vivo, #b89a00) !important;
  border-bottom-color: var(--dorado-vivo, #b89a00) !important;
}

/* ── BOTÓN HAMBURGUESA (móvil) ────────────────────────────── */
.navbar-default .navbar-toggle {
  border-color: rgba(255, 255, 255, .35) !important;
  border-radius: 5px;
  padding: 8px 10px;
  margin-top: 16px;
  margin-bottom: 16px;
}
.navbar-default .navbar-toggle .icon-bar {
  background-color: #fff !important;
}
.navbar-default .navbar-toggle:hover,
.navbar-default .navbar-toggle:focus {
  background-color: rgba(255, 255, 255, .12) !important;
}

.navbar-default .navbar-collapse {
  border-top: 1px solid rgba(255, 255, 255, .12);
  background-color: var(--azul, #1A3A6E);
}

@media (max-width: 767px) {
  body { padding-top: 60px !important; }

  .navbar-default .navbar-nav > li > a {
    padding: 13px 20px;
    border-bottom: none;
    border-left: 3px solid transparent;
  }
  .navbar-default .navbar-nav > li > a:hover,
  .navbar-default .navbar-nav > .active > a {
    border-left-color: var(--dorado-vivo, #b89a00);
    border-bottom: none;
  }
  .navbar-brand.navbar-brand-105 img { height: 44px; }
}

/* ── SCROLL TO TOP ────────────────────────────────────────── */
.scrollToTop {
  position: fixed !important;
  bottom: 28px !important;
  right: 24px !important;
  width: 46px !important;
  height: 46px !important;
  display: flex !important;
  align-items: center;
  justify-content: center;
  background-color: var(--azul, #1A3A6E) !important;
  color: #fff !important;
  border: 2px solid var(--dorado-vivo, #b89a00) !important;
  border-radius: 50% !important;
  font-size: 20px !important;
  line-height: 1 !important;
  text-decoration: none !important;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity .3s, transform .3s, background-color .22s, color .22s;
  z-index: 9999 !important;
  box-shadow: 0 4px 14px rgba(26, 58, 110, .40) !important;
  cursor: pointer;
}

/* El custom.js del template añade display:block al hacer scroll > 300px */
.scrollToTop[style*="display: block"],
.scrollToTop[style*="display:block"],
.scrollToTop.show {
  opacity: 1 !important;
  visibility: visible !important;
  transform: translateY(0) !important;
}

.scrollToTop:hover,
.scrollToTop:focus {
  background-color: var(--dorado-vivo, #b89a00) !important;
  color: var(--azul, #1A3A6E) !important;
  border-color: var(--azul, #1A3A6E) !important;
  text-decoration: none !important;
  opacity: 1 !important;
}

.scrollToTop i.fa {
  line-height: 1;
  font-size: 18px;
}

/* ── SCROLL TO TOP (#btnScrollTop) ───────────────────────── */
/* Botón autónomo — no depende del custom.js del template     */
#btnScrollTop {
  position: fixed;
  bottom: 28px;
  right: 24px;
  width: 46px;
  height: 46px;
  background-color: #1A3A6E;
  color: #fff;
  border: 2px solid #b89a00;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  text-decoration: none;
  z-index: 9999;
  box-shadow: 0 4px 14px rgba(26, 58, 110, .45);
  cursor: pointer;
  /* empieza oculto */
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity .28s ease, transform .28s ease,
              background-color .2s, color .2s, border-color .2s;
}

/* clase .visible añadida por el script al superar 300px */
#btnScrollTop.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

#btnScrollTop:hover,
#btnScrollTop:focus {
  background-color: #b89a00;
  color: #1A3A6E;
  border-color: #1A3A6E;
  text-decoration: none;
  outline: none;
}

#btnScrollTop .fa {
  line-height: 1;
  font-size: 20px;
}

/* ── BANNER INSTITUCIONAL (topbar-inner) ─────────────────── */
/* Fluye con el documento — aparece justo debajo del navbar   */
/* fijo. El body padding-top (73px) ya compensa el navbar.    */
.topbar-inner {
  display: block;
  width: 100%;
  line-height: 0;
  overflow: hidden;
}
.topbar-inner img {
  display: block;
  width: 100%;
  height: auto;
}