/* =========================================
   BIBCO HEADER
========================================= */

:root {
  --bibco-navy: #1b2a4a;
  --bibco-red: #c8202f;
  --bibco-green: #2e7d32;
  --bibco-gray: #5b6472;
}

.bibco-header {
  background: #ffffff;
  border-bottom: 1px solid #eaeaea;
  position: sticky;
  top: 0;
  z-index: 9999;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.04);
}

.bibco-header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.bibco-logo img {
  height: 70px;
  width: auto;
  display: block;
}


/* =========================================
   MAIN NAVIGATION
========================================= */

.bibco-nav > ul {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.bibco-nav > ul > li {
  position: relative;
}

.bibco-nav a {
  color: var(--bibco-navy);
  text-decoration: none;
  font-weight: 600;
  font-size: 18px;
  letter-spacing: 0.3px;
  position: relative;
  padding: 6px 0;
  transition: color 0.25s ease;
}

.bibco-nav > ul > li > a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 2px;
  background: var(--bibco-red);
  transition: width 0.25s ease;
}

.bibco-nav > ul > li > a:hover {
  color: var(--bibco-red);
}

.bibco-nav > ul > li > a:hover::after {
  width: 100%;
}


/* =========================================
   DROPDOWN ARROW
========================================= */

.bibco-nav li.menu-item-has-children > a::before {
  content: "";
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 8px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg);
  vertical-align: 3px;
}


/* =========================================
   FIRST LEVEL DROPDOWN
========================================= */

.bibco-nav ul.sub-menu {
  position: absolute;
  top: calc(100% + 12px);
  left: 0;

  min-width: 240px;

  display: block;

  margin: 0;
  padding: 8px 0;

  background: #ffffff;

  list-style: none;

  border-radius: 5px;

  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);

  opacity: 0;
  visibility: hidden;

  transform: translateY(10px);

  transition:
    opacity 0.25s ease,
    visibility 0.25s ease,
    transform 0.25s ease;

  z-index: 99999;
}


/* Show dropdown */

.bibco-nav li:hover > ul.sub-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}


/* Dropdown items */

.bibco-nav ul.sub-menu li {
  position: relative;
  width: 100%;
  margin: 0;
  padding: 0;
  border: none;
}

.bibco-nav ul.sub-menu li a {
  display: block;
  width: 100%;
  box-sizing: border-box;

  padding: 12px 18px;

  font-size: 15px;
  font-weight: 500;

  color: var(--bibco-navy);

  white-space: nowrap;
}

.bibco-nav ul.sub-menu li a:hover {
  background: #f7f7f7;
  color: var(--bibco-red);
}


/* Remove main underline from dropdown */

.bibco-nav ul.sub-menu li a::after {
  display: none;
}


/* =========================================
   SECOND LEVEL DROPDOWN
========================================= */

.bibco-nav ul.sub-menu ul.sub-menu {
  top: -8px;
  left: 100%;

  margin-left: 3px;

  transform: translateX(10px);
}

.bibco-nav ul.sub-menu li:hover > ul.sub-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(0);
}


/* Arrow for dropdown children */

.bibco-nav ul.sub-menu li.menu-item-has-children > a::before {
  transform: rotate(-45deg);
  float: right;
  margin-top: 5px;
}


/* =========================================
   CATALOGUE BUTTON
========================================= */

.bibco-btn {
  background: var(--bibco-red);
  color: #fff;

  padding: 11px 24px;

  border-radius: 4px;

  font-weight: 600;
  font-size: 16px;

  text-decoration: none;

  letter-spacing: 0.3px;

  border-bottom: 3px solid var(--bibco-green);

  transition:
    background 0.25s ease,
    transform 0.2s ease;
}

.bibco-btn:hover {
  background: var(--bibco-navy);
  transform: translateY(-1px);
}


/* =========================================
   MOBILE MENU BUTTON
========================================= */

.bibco-menu-toggle {
  display: none;

  flex-direction: column;
  gap: 5px;

  background: none;
  border: none;

  cursor: pointer;

  padding: 5px;
}

.bibco-menu-toggle span {
  width: 26px;
  height: 3px;

  background: var(--bibco-navy);

  border-radius: 2px;

  transition: 0.3s ease;
}


/* =========================================
   MOBILE
========================================= */

@media (max-width: 900px) {

  .bibco-header-inner {
    padding: 10px 20px;
  }

  .bibco-logo img {
    height: 60px;
  }

  .bibco-menu-toggle {
    display: flex;
  }

  .bibco-nav {
    display: none;

    position: absolute;

    top: 100%;
    left: 0;
    right: 0;

    width: 100%;

    background: #ffffff;

    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
  }

  .bibco-nav-open {
    display: block !important;
  }


  /* Main menu */

  .bibco-nav > ul {
    display: flex;

    flex-direction: column;

    align-items: stretch;

    gap: 0;

    padding: 10px 20px;

    margin: 0;
  }

  .bibco-nav > ul > li {
    width: 100%;

    border-bottom: 1px solid #eeeeee;
  }

  .bibco-nav > ul > li:last-child {
    border-bottom: none;
  }

  .bibco-nav a {
    display: block;

    width: 100%;

    padding: 14px 5px;

    font-size: 16px;

    box-sizing: border-box;
  }


  /* Hide desktop dropdown */

  .bibco-nav ul.sub-menu {
    position: static;

    display: none;

    width: 100%;

    min-width: 0;

    padding: 0;

    margin: 0;

    box-shadow: none;

    border-radius: 0;

    opacity: 1;

    visibility: visible;

    transform: none;

    background: #f8f8f8;
  }


  /* Show mobile submenu */

  .bibco-nav li.submenu-open > ul.sub-menu {
    display: block;
  }


  /* Dropdown item */

  .bibco-nav ul.sub-menu li {
    border-top: 1px solid #eeeeee;
  }

  .bibco-nav ul.sub-menu li a {
    padding: 12px 15px;

    font-size: 15px;

    white-space: normal;
  }


  /* Nested submenu */

  .bibco-nav ul.sub-menu ul.sub-menu {
    position: static;

    display: none;

    margin: 0;

    padding: 0;

    transform: none;

    background: #f1f1f1;
  }

  .bibco-nav ul.sub-menu li.submenu-open > ul.sub-menu {
    display: block;
  }


  /* Catalogue */

  .bibco-cta {
    display: none;
  }

  .bibco-btn {
    display: none;
  }
}


/* =========================================
   SMALL MOBILE
========================================= */

@media (max-width: 500px) {

  .bibco-header-inner {
    padding: 8px 15px;
  }

  .bibco-logo img {
    height: 52px;
  }

  .bibco-nav > ul {
    padding: 8px 15px;
  }
}