/* =====================================================================
   ICCAN Navigation - Optimized & Template-Matched
   ===================================================================== */

/* ---------- Announcement Bar ---------- */
.announcement {
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: #06162a;
  color: #bdcad5;
  font-size: 10px;
  letter-spacing: 0.045em;
}

.announcement-year {
  color: #60d7d0;
  margin-left: 15px;
  font-weight: 700;
  letter-spacing: 0.14em;
  font-size: 11px;
}

.live-dot {
  height: 6px;
  width: 6px;
  border-radius: 50%;
  background: #55d4c8;
  box-shadow: 0 0 0 4px rgba(85, 212, 200, 0.13);
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { box-shadow: 0 0 0 4px rgba(85, 212, 200, 0.13); }
  50% { box-shadow: 0 0 0 8px rgba(85, 212, 200, 0.05); }
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.95);
  border-bottom: 1px solid #e8ecee;
  transition: box-shadow 0.25s ease, background 0.25s ease;
  backdrop-filter: blur(12px);
}

.site-header.is-scrolled {
  box-shadow: 0 8px 28px rgba(16, 33, 55, 0.07);
  background: rgba(255, 255, 255, 0.98);
}

.nav-wrap {
  max-width: 1320px;
  height: 78px;
  margin: auto;
  padding: 0 48px;
}

/* ---------- Brand Logo ---------- */
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 170px;
}

.brand-mark {
  width: 34px;
  height: 34px;
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, 11px);
  grid-template-rows: repeat(2, 11px);
  align-content: center;
  justify-content: center;
  gap: 3px;
  transform: rotate(-8deg);
}

.brand-mark i {
  display: block;
  border-radius: 3px;
  background: #1c73b8;
}

.brand-mark i:nth-child(2) {
  background: #40bfc1;
  border-radius: 50% 3px 3px;
}

.brand-mark i:nth-child(3) {
  background: #5268c7;
  border-radius: 3px 3px 3px 50%;
}

.brand-mark i:nth-child(4) {
  background: #88d7c9;
  border-radius: 3px 50% 3px 3px;
}

.brand-copy strong {
  font: 800 18px/1 'Manrope', sans-serif;
  letter-spacing: -0.07em;
  color: #102b48;
}

.brand-copy small {
  display: block;
  font-size: 10px;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: #718094;
  margin-top: 5px;
  font-weight: 700;
}

/* ---------- Navigation Links ---------- */
.main-nav {
  height: 100%;
}

.main-nav .nav-link {
  font-size: 13px;
  font-weight: 600;
  color: #526176;
  padding: 11px 13px;
  border: 0;
  background: none;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

/* Animated left border on hover/active */
.main-nav .nav-link::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  width: 2px;
  height: 0;
  background: linear-gradient(180deg, #56d9d4 0%, #40c9c9 100%);
  transform: translateY(-50%);
  transition: height 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.main-nav .nav-link:hover,
.main-nav .nav-link:focus {
  color: #0d7a8a;
  background: linear-gradient(135deg, rgba(240, 247, 248, 0.5) 0%, rgba(232, 245, 246, 0.5) 100%);
  transform: translateX(4px);
  text-decoration: none;
}

.main-nav .nav-link:hover::before,
.main-nav .nav-link:focus::before {
  height: 18px;
}

/* Active state - matches hover */
.main-nav .nav-link.active {
  color: #0d7a8a;
  background: linear-gradient(135deg, rgba(240, 247, 248, 0.5) 0%, rgba(232, 245, 246, 0.5) 100%);
  transform: translateX(4px);
}

.main-nav .nav-link.active::before {
  height: 18px;
}

/* Home link special color only when active */
.nav-home.active {
  color: #1579a9 !important;
}

/* ---------- Dropdown Menus ---------- */
.main-nav .dropdown {
  position: relative;
}

.main-nav .dropdown-menu {
  display: none;
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  width: 220px;
  padding: 4px 3px;
  background: white;
  border: 1px solid #dfe5eb;
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(16, 33, 55, 0.08), 0 0 0 1px rgba(86, 217, 212, 0.03);
  gap: 0;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.28s cubic-bezier(0.34, 0.1, 0.64, 0.94),
              visibility 0.28s cubic-bezier(0.34, 0.1, 0.64, 0.94),
              transform 0.28s cubic-bezier(0.34, 0.1, 0.64, 0.94);
  transform: translateY(-10px);
}

.main-nav .dropdown:hover .dropdown-menu,
.main-nav .dropdown-menu:hover,
.main-nav .dropdown-menu.show {
  display: block;
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* ---------- Dropdown Items ---------- */
.main-nav .dropdown-item {
  display: block;
  padding: 9px 13px;
  border-radius: 7px;
  color: #5a7a8a;
  font-size: 13px;
  font-weight: 500;
  transition: all 0.28s cubic-bezier(0.34, 0.1, 0.64, 0.94);
  margin: 0;
  position: relative;
  overflow: hidden;
  text-decoration: none;
}

/* Animated left border on hover/active */
.main-nav .dropdown-item::before {
  content: '';
  position: absolute;
  left: 3px;
  top: 50%;
  width: 2px;
  height: 0;
  background: linear-gradient(180deg, #56d9d4 0%, #40c9c9 100%);
  transform: translateY(-50%);
  transition: height 0.3s cubic-bezier(0.34, 0.1, 0.64, 0.94);
}

.main-nav .dropdown-item:hover,
.main-nav .dropdown-item:focus {
  background: linear-gradient(135deg, #f5f9fa 0%, #eef7f9 100%);
  color: #0e7a8f;
  box-shadow: inset 0 1px 6px rgba(86, 217, 212, 0.1);
  transform: translateX(5px);
  border-radius: 7px;
  text-decoration: none;
}

.main-nav .dropdown-item:hover::before,
.main-nav .dropdown-item:focus::before {
  height: 14px;
}

/* Active state - matches hover */
.main-nav .dropdown-item.active {
  background: linear-gradient(135deg, #f5f9fa 0%, #eef7f9 100%);
  color: #0e7a8f;
  box-shadow: inset 0 1px 6px rgba(86, 217, 212, 0.1);
  transform: translateX(5px);
}

.main-nav .dropdown-item.active::before {
  height: 14px;
}

/* ---------- Dropdown Submenu ---------- */
.dropdown-submenu {
  position: relative;
}

.dropdown-submenu .dropdown-toggle::after {
  content: '';
  position: absolute;
  right: 11px;
  top: 50%;
  width: 4px;
  height: 4px;
  border-right: 1.2px solid currentColor;
  border-bottom: 1.2px solid currentColor;
  transform: translateY(-50%) rotate(-45deg);
  transition: transform 0.28s cubic-bezier(0.34, 0.1, 0.64, 0.94);
}

.dropdown-submenu:hover .dropdown-toggle::after {
  transform: translateY(-50%) rotate(0deg);
}

.dropdown-submenu .dropdown-menu {
  position: absolute;
  top: -4px;
  left: 100%;
  margin-left: 10px;
  opacity: 0;
  visibility: hidden;
  transform: translateX(-10px);
  z-index: 1001;
  width: 240px;
  padding: 4px 3px;
  border: 1px solid #dfe5eb;
  border-radius: 12px;
  background: white;
  box-shadow: 0 8px 24px rgba(16, 33, 55, 0.08);
}

.dropdown-submenu:hover > .dropdown-menu,
.dropdown-submenu > .dropdown-menu:hover,
.dropdown-submenu > .dropdown-menu.show {
  display: block;
  opacity: 1;
  visibility: visible;
  transform: translateX(0);
}

/* ---------- Dropdown Divider ---------- */
.dropdown-divider {
  height: 1px;
  margin: 3px 0;
  background-color: #e8ecf0;
  border: 0;
}

/* ---------- Mobile Menu Toggle ---------- */
.menu-toggle {
  display: none;
  border: 0;
  background: none;
}

/* ---------- Responsive Styles ---------- */
@media (max-width: 1199.98px) {
  .nav-wrap {
    padding: 0 28px;
  }

  .main-nav .nav-link {
    padding-left: 8px;
    padding-right: 8px;
    font-size: 12px;
  }

  .brand {
    min-width: 145px;
  }
}

@media (max-width: 1199.98px) {
  .menu-toggle {
    display: block;
    padding: 8px;
    z-index: 22;
  }

  .menu-toggle .navbar-toggler-icon {
    width: 21px;
    height: 21px;
  }

  .main-nav {
    position: absolute;
    top: 77px;
    left: 0;
    right: 0;
    height: auto;
    padding: 12px 20px 19px;
    background: #fff;
    border-bottom: 1px solid #e7ecee;
    box-shadow: 0 18px 25px rgba(16, 33, 55, 0.07);
  }

  .main-nav .navbar-nav {
    align-items: stretch !important;
  }

  .main-nav .nav-link {
    display: block;
    text-align: left;
    width: 100%;
    padding: 12px 10px;
    font-size: 14px;
    transform: none !important;
  }

  .main-nav .nav-link::before {
    display: none;
  }

  .main-nav .dropdown-menu,
  .main-nav .dropdown-menu.show {
    position: static !important;
    width: auto;
    margin: 0;
    border: 0;
    box-shadow: none;
    padding: 0 0 6px 12px;
    transform: none !important;
    opacity: 1;
    visibility: visible;
  }

  .main-nav .dropdown-item {
    font-size: 13px;
    padding: 10px 12px;
    transform: none !important;
  }

  .main-nav .dropdown-item::before {
    display: none;
  }

  .nav-contact {
    margin: 7px 0 0 0;
    padding: 11px 10px !important;
  }
}

@media (max-width: 760px) {
  .announcement {
    font-size: 10px;
    padding: 0 10px;
  }

  .announcement-year {
    margin-left: 2px;
  }

  .nav-wrap {
    height: 67px;
    padding: 0 21px;
  }

  .brand {
    min-width: 0;
  }
}