/* Topbar */

/* Iconos de Bootstrap */
@import url("https://cdn.jsdelivr.net/npm/bootstrap-icons@1.13.1/font/bootstrap-icons.css");

:root{
  --topbar-h: 82px;
  --topbar-logo-h: 46px;
  --topbar-solid: #b3b1b2;
  --glass-bg: rgba(255,255,255,0.12);
  --glass-tint: rgba(208,39,39,0.06);
  --glass-border: rgba(255,255,255,0.32);
  --glass-shadow: 0 18px 60px rgba(0,0,0,.20);
  --glass-blur: 22px;
  --topbar-icon: #fff;
}

body.has-topbar{ padding-top: var(--topbar-h); }
.s-topbar{
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 999;
  background: var(--topbar-solid) !important;
  border-bottom: 0 !important;
  box-shadow: none !important;
  transition:
    background-color 220ms var(--ease),
    box-shadow 220ms var(--ease),
    border-color 220ms var(--ease),
    backdrop-filter 220ms var(--ease),
    -webkit-backdrop-filter 220ms var(--ease);
}

.s-topbar.is-scrolled{
  background:
    linear-gradient(0deg, var(--glass-tint), var(--glass-tint)),
    var(--glass-bg) !important;
  border-bottom: 1px solid var(--glass-border) !important;
  box-shadow: var(--glass-shadow) !important;
}

@supports ((-webkit-backdrop-filter: blur(1px)) or (backdrop-filter: blur(1px))){
  .s-topbar.is-scrolled{
    -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(160%) contrast(105%) !important;
    backdrop-filter: blur(var(--glass-blur)) saturate(160%) contrast(105%) !important;
  }
}

@supports not ((-webkit-backdrop-filter: blur(1px)) or (backdrop-filter: blur(1px))){
  .s-topbar.is-scrolled{
    background:
      linear-gradient(0deg, rgba(208,39,39,0.08), rgba(208,39,39,0.08)),
      rgba(217, 210, 210, 0.22) !important;
  }
}

.topbar__inner{
  height: var(--topbar-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.topbar__brand{
  display: flex;
  align-items: center;
}

.topbar__logo{
  height: var(--topbar-logo-h);
  width: auto;
  display: block;
  flex-shrink: 0;
}

.topbar__nav{ display: block; }

.topbar__menu{
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 20px;
}

.topbar__burger{
  display: none;
  width: 44px;
  height: 44px;
  border: 0;
  background: transparent;
  cursor: pointer;
  padding: 8px;
  border-radius: 10px;
  -webkit-tap-highlight-color: transparent;
}

.topbar__burger span{
  display: block;
  height: 2px;
  background: #222;
  border-radius: 2px;
  margin: 6px 0;
}

.topbar__burger:focus{ outline: none; }
.topbar__burger:focus-visible{
  outline: 2px solid rgba(255,255,255,0.75);
  outline-offset: 3px;
}

/* Responsive */
@media (max-width: 768px){
  :root{ --topbar-logo-h: 40px; }
  .topbar__burger{
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }
  .topbar__burger span{ display: none; }
  .topbar__burger::before{
    content: "\F479"; /* bi-list */
    font-family: "bootstrap-icons";
    font-style: normal;
    font-weight: normal;
    line-height: 1;
    font-size: 28px;
    color: var(--topbar-icon);
    filter: drop-shadow(0 2px 10px rgba(0,0,0,.35));
  }
  .s-topbar.is-open .topbar__burger::before{
    content: "\F659"; /* bi-x-lg */
  }
  .topbar__nav{
    position: absolute;
    top: var(--topbar-h);
    left: 0;
    right: 0;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transform: translateY(-8px);
    pointer-events: none;
    transition:
      max-height 240ms var(--ease),
      opacity 200ms var(--ease),
      transform 200ms var(--ease);
    z-index: 60;
    background: rgba(179,177,178,0.92);
    border-bottom: 1px solid rgba(255,255,255,0.22);
  }
  .s-topbar.is-open .topbar__nav{
    max-height: 320px;
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }
  .topbar__menu{
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
    padding: 14px 20px 18px;
  }
}

@media (prefers-reduced-motion: reduce){
  .s-topbar,
  .topbar__nav{
    transition: none !important;
  }
}