:root{
  --primary-dark:#001F30;
  --primary-light:#00334E;
  --text-light:#FFFFFF;
  --radius:.5rem;
  --header-h-desktop: 104px;
  --header-h-mobile: 84px;
  --edge-pad-right-desktop: clamp(10px, 1vw, 18px);
  --edge-pad-mobile:        clamp(8px,  2.4vw, 14px);
  --cards-max: min(96vw, 1440px);
  --cards-side-pad: 3rem;
}

*{box-sizing:border-box}
ul{list-style:none;margin:0;padding:0}
html,body{margin:0}

body{
  font-family:Inter,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  padding-top: var(--header-h-desktop) !important;
}
@media (max-width:1024px){
  body{ padding-top: var(--header-h-mobile) !important; }
}
@supports (padding: env(safe-area-inset-top)){
  body{ padding-top: calc(var(--header-h-desktop) + env(safe-area-inset-top)) !important; }
  @media (max-width:1024px){
    body{ padding-top: calc(var(--header-h-mobile) + env(safe-area-inset-top)) !important; }
  }
}

header.main-nav{
  position: fixed !important;
  top:0; left:0; right:0;
  height: var(--header-h-desktop);
  background: var(--primary-dark);
  box-shadow: 0 2px 10px rgba(0,0,0,.14);
  z-index: 1000;
  transform: translateZ(0);
}
@media (max-width:1024px){
  header.main-nav{ height: var(--header-h-mobile); }
}
header.main-nav::before{
  content:''; position:absolute; top:-1px; left:0; right:0; height:1px; background:var(--primary-dark);
}

header.main-nav .container{
  width: 100%;
  max-width: none;
  margin: 0;
  height: 100%;
  padding-left:  calc((100vw - var(--cards-max)) / 2 + var(--cards-side-pad)) !important;
  padding-right: var(--edge-pad-right-desktop) !important;
  display:flex; align-items:center; gap: 1rem;
}

.logo{ line-height:0; flex: 0 0 auto; }
.logo img{
  display:block;
  height: calc(var(--header-h-desktop) - 28px);
}
@media (max-width:1024px){
  .logo img{ height: calc(var(--header-h-mobile) - 22px); }
}

.nav{ flex: 1 1 auto; display:flex; }
.header-actions{
  flex: 0 0 auto;
  margin-left: auto;
  display:flex; align-items:center;
  gap: .6rem;
  padding-right: 0;
}

header.main-nav a{ color:var(--text-light); text-decoration:none; white-space: nowrap; }

.call-link{
  display:inline-flex; align-items:center; gap:.45rem;
  padding:.45rem .6rem;
  border-radius:.5rem;
  transition: background .2s ease, opacity .2s ease;
}
.call-link:hover{ background: rgba(255,255,255,.08); }
.call-link .label{ font-weight:700; letter-spacing:.2px; }

.hamburger{
  display:none; background:none; border:0; cursor:pointer;
  width:32px; height:24px; padding:0;
  flex-direction:column; justify-content:space-between;
}
.hamburger span{ display:block; height:3px; background:var(--text-light); border-radius:2px }

@media (min-width:1025px){
  .nav{ align-items:center; position: static !important; }

  .nav-list{
    display:flex; align-items:center; gap:1.75rem;
    margin-left: auto;
  }
  .nav-list>li{ position:relative; }

  .nav-list>li>a{
    display:inline-flex; align-items:center;
    font-weight:600; font-size:1rem;
    padding:.7rem 1rem;
    border-radius:var(--radius);
    transition: background .25s ease;
  }
  .nav-list>li>a:hover,
  .nav-list>li:focus-within>a{ background:var(--primary-light); }

  .submenu{
    display:none; position:absolute; top:calc(100% - 2px); left:0;
    min-width:220px; background:var(--primary-light);
    border-radius:var(--radius); padding:.5rem 0;
    box-shadow:0 4px 12px rgba(0,0,0,.2); z-index:100;
  }
  .submenu li a{ display:block; padding:.6rem 1rem; font-weight:400; }
  .submenu li a:hover{ background:rgba(255,255,255,.08); }
  .nav-list>li:hover>.submenu,
  .nav-list>li:focus-within>.submenu{ display:block; }

  .nav-list > li.has-submenu > a::after{
    content:"▾";
    display:inline-block; margin-left:.5rem; font-size:.9em; line-height:1;
    transform: translateY(-1px); opacity:.9;
  }
  .nav-list > li.has-submenu:hover > a::after,
  .nav-list > li.has-submenu:focus-within > a::after{ opacity:1; }
}

@media (max-width:1024px){
  header.main-nav .container{
    padding-left:  var(--edge-pad-mobile) !important;
    padding-right: var(--edge-pad-mobile) !important;
  }

  .nav{ display:none !important; position: static; }
  .header-actions{ margin-left: auto; gap: .5rem; }
  .call-link .label{ display:none; }

  .hamburger{
    display: inline-flex !important;
    flex-direction: column; justify-content: center; align-items: center;
    gap: 5px; width: 44px; height: 44px; padding: 0;
    border-radius: 10px;
    background: rgba(255,255,255,.08);
    border: 1px solid rgba(255,255,255,.18);
    color: #fff;
    -webkit-appearance: none; appearance: none;
    -webkit-tap-highlight-color: transparent;
    position: relative; z-index: 1002;
  }
  .hamburger span{
    width: 22px; height: 2px; background: currentColor !important; border-radius: 2px;
  }

  header.main-nav .nav.open{
    display: flex !important;
    position: fixed;
    top: var(--header-h-mobile, 84px);
    left: 0; right: 0;
    background: rgba(0,22,34,.97);
    border-radius: 0 0 var(--radius) var(--radius);
    box-shadow: 0 12px 28px rgba(0,0,0,.35);
    backdrop-filter: saturate(130%) blur(4px);
    max-height: 75vh; overflow-y:auto; z-index:1000;
    padding:.25rem 0; flex-direction:column;
  }

  .nav .nav-list{ width:100%; margin:0 !important; padding:0 !important; }
  .nav-list{ display:flex; flex-direction:column; gap:0; }
  .nav-list > li{ width:100%; border-bottom:1px solid rgba(255,255,255,.12); }
  .nav-list > li:last-child{ border-bottom:0; }

  .nav-list > li > a{
    display:flex; align-items:center; justify-content:space-between;
    padding: 1rem 1rem;
    font-size: 1.05rem;
    border-radius:0; background:transparent;
  }
  .nav-list > li > a:active{ background: rgba(255,255,255,.06); }

  .submenu{
    position: static;
    display: block;
    max-height: 0; overflow: hidden;
    background: rgba(255,255,255,.05);
    border-top: 1px solid rgba(255,255,255,.08);
    border-bottom: 1px solid rgba(255,255,255,.08);
    padding: 0;
    transition: max-height .28s ease;
  }
  .nav-list li.open > .submenu{ max-height: 600px; }
  .submenu li{ border-bottom:1px solid rgba(255,255,255,.06); }
  .submenu li:last-child{ border-bottom:0; }
  .submenu li a{ display:block; padding:.85rem 1rem .85rem 2rem; font-size:.98rem; }

  .nav-list > li.has-submenu > a::after{
    content:"▾";
    margin-left:.75rem;
    transition: transform .22s ease, opacity .2s ease;
  }
  .nav-list li.open > a::after{ transform: rotate(180deg); }
}

header.main-nav[style*="position: sticky"],
header.main-nav.sticky{ position: fixed !important; }