/* Header Styles */
.site-header{
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  color: #fff;
  background: transparent;
  transition: background 0.3s ease;
}

.site-header.scrolled{
  background: #215761;
}

.site-header__inner{
  max-width: 1220px;
  margin: 0 auto;
  padding: 18px 18px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 20px;
}

.site-header__brand{
  display: flex;
  justify-content: center;
  align-items: center;
}

.site-header__site-title{
  color: #fff;
  text-decoration: none;
  font-weight: 800;
  letter-spacing: .02em;
}

.site-header__nav{ display: flex; }
.site-header__nav--left{ justify-content: flex-end; }
.site-header__nav--right{ justify-content: flex-start; }

.site-menu{
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.site-menu a{
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  font-size: 14px;
  opacity: .95;
}

.site-menu a:hover{ opacity: 1; text-decoration: underline; }

.custom-logo-link img{
  max-height: 50px;
  width: auto;
  height: auto;
  display: block;
}

/* Mobile Header Bar */
.site-header__mobileBar{
  display: none;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: transparent;
  transition: background 0.3s ease;
}

.site-header.scrolled .site-header__mobileBar{
  background: #215761;
}

.site-header__mobileBrand{
  flex: 0 0 auto;
}

.site-header__mobileBrand .custom-logo-link img{
  max-height: 40px;
}

.site-header__toggle{
  display: none;
  flex: 0 0 auto;
  width: 48px;
  height: 48px;
  border: 0;
  background: rgba(255,255,255,.15);
  backdrop-filter: blur(10px);
  border-radius: 12px;
  padding: 0;
  cursor: pointer;
  position: relative;
  transition: all 0.3s ease;
}

.site-header__toggle:hover{
  background: rgba(255,255,255,.25);
  transform: scale(1.05);
}

.site-header__toggle span{
  display: block;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 24px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: all 0.3s ease;
}

.site-header__toggle span:nth-child(1){
  top: 16px;
}

.site-header__toggle span:nth-child(2){
  top: 50%;
  transform: translate(-50%, -50%);
}

.site-header__toggle span:nth-child(3){
  bottom: 16px;
}

.site-header__toggle[aria-expanded="true"] span:nth-child(1){
  top: 50%;
  transform: translate(-50%, -50%) rotate(45deg);
}

.site-header__toggle[aria-expanded="true"] span:nth-child(2){
  opacity: 0;
}

.site-header__toggle[aria-expanded="true"] span:nth-child(3){
  bottom: 50%;
  transform: translate(-50%, 50%) rotate(-45deg);
}

.site-header__contactBtn{
  display: none;
  flex: 0 0 auto;
  padding: 10px 20px;
  background: rgba(255,255,255,.2);
  backdrop-filter: blur(10px);
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  font-size: 14px;
  border-radius: 12px;
  transition: all 0.3s ease;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.site-header__contactBtn:hover{
  background: rgba(255,255,255,.3);
  transform: translateY(-2px);
}

/* Full Screen Mobile Overlay */
.site-header__mobileOverlay{
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  height: 100vh;
  max-height: 100vh;
  background: linear-gradient(135deg, rgba(52, 137, 152, 0.98) 0%, rgba(47, 127, 135, 0.98) 100%);
  backdrop-filter: blur(20px);
  z-index: 9999;
  overflow-y: auto;
  overflow-x: hidden;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.site-header__mobileOverlay:not([hidden]){
  opacity: 1;
  visibility: visible;
}

.site-header__mobileOverlayInner{
  display: flex;
  flex-direction: column;
  padding: 40px 10px;
  max-width: 600px;
  margin: 0 auto;
  min-height: 100%;
  box-sizing: border-box;
}

.site-header__mobileOverlayHeader{
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 40px;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(255,255,255,.2);
}

.site-header__mobileOverlayBrand{
  flex: 1;
}

.site-header__mobileOverlayBrand .custom-logo-link img{
  max-height: 50px;
  width: auto;
  height: auto;
}

.site-header__mobileOverlayBrand .site-header__site-title{
  color: #fff;
  text-decoration: none;
  font-weight: 800;
  font-size: 24px;
  letter-spacing: .02em;
}

.site-header__closeBtn{
  width: 48px;
  height: 48px;
  border: 0;
  background: rgba(255,255,255,.15);
  backdrop-filter: blur(10px);
  border-radius: 12px;
  cursor: pointer;
  position: relative;
  transition: all 0.3s ease;
}

.site-header__closeBtn:hover{
  background: rgba(255,255,255,.25);
  transform: rotate(90deg);
}

.site-header__closeBtn span{
  position: absolute;
  left: 50%;
  top: 50%;
  width: 24px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
}

.site-header__closeBtn span:nth-child(1){
  transform: translate(-50%, -50%) rotate(45deg);
}

.site-header__closeBtn span:nth-child(2){
  transform: translate(-50%, -50%) rotate(-45deg);
}

.site-header__mobileSearch{
  margin-bottom: 32px;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.3s ease 0.1s, transform 0.3s ease 0.1s;
}

.site-header__mobileOverlay:not([hidden]) .site-header__mobileSearch{
  opacity: 1;
  transform: translateY(0);
}

.site-header__mobileSearch form{
  display: flex;
  justify-content: space-around;
  gap: 12px;
}

.site-header__mobileSearch input[type="search"],
.site-header__mobileSearch .search-field{
  flex: 1;
  padding: 16px 20px;
  background: rgba(255,255,255,.15);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 12px;
  color: #fff;
  font-size: 16px;
  font-weight: 500;
  transition: all 0.3s ease;
}

.site-header__mobileSearch input[type="search"]:focus,
.site-header__mobileSearch .search-field:focus{
  outline: none;
  background: rgba(255,255,255,.2);
  border-color: rgba(255,255,255,.4);
}

.site-header__mobileSearch input[type="search"]::placeholder,
.site-header__mobileSearch .search-field::placeholder{
  color: rgba(255,255,255,.7);
}

.site-header__mobileSearch input[type="submit"],
.site-header__mobileSearch .search-submit{
  padding: 16px 24px;
  background: rgba(255,255,255,.2);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 12px;
  color: #fff;
  font-weight: 700;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: all 0.3s ease;
}

.site-header__mobileSearch input[type="submit"]:hover,
.site-header__mobileSearch .search-submit:hover{
  background: rgba(255,255,255,.3);
  transform: translateY(-2px);
}

.site-header__mobileNav{
  flex: 1;
}

.site-menu--mobile{
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.site-menu--mobile li{
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.3s ease, transform 0.3s ease;
  border-bottom: 1px solid rgba(255,255,255,.15);
}

.site-menu--mobile li:last-child{
  border-bottom: none;
}

.site-header__mobileOverlay:not([hidden]) .site-menu--mobile li{
  opacity: 1;
  transform: translateY(0);
}

.site-menu--mobile li:nth-child(1){ transition-delay: 0.05s; }
.site-menu--mobile li:nth-child(2){ transition-delay: 0.1s; }
.site-menu--mobile li:nth-child(3){ transition-delay: 0.15s; }
.site-menu--mobile li:nth-child(4){ transition-delay: 0.2s; }
.site-menu--mobile li:nth-child(5){ transition-delay: 0.25s; }
.site-menu--mobile li:nth-child(6){ transition-delay: 0.3s; }
.site-menu--mobile li:nth-child(7){ transition-delay: 0.35s; }
.site-menu--mobile li:nth-child(8){ transition-delay: 0.4s; }

.site-menu--mobile a{
  display: block;
  padding: 18px 20px;
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-radius: 0;
  background: transparent;
  transition: all 0.3s ease;
  text-align: center;
}

.site-menu--mobile a:hover,
.site-menu--mobile a:focus{
  background: rgba(255,255,255,.1);
}

@media (max-width: 900px){
  .site-header__inner{
    grid-template-columns: 1fr;
    padding: 16px 10px;
  }

  .site-header__nav{
    display: none;
  }

  .site-header__brand{
    display: none;
  }

  .site-header__mobileBar{
    display: flex;
  }

  .site-header__toggle{
    display: block;
  }

  .site-header__contactBtn{
    display: block;
  }
}