header{
  background:transparent;
  position:sticky; top:0; z-index:40;
  padding:18px 0 0;
  transition:padding .25s ease;
}

header.scrolled{
  padding-top:10px;
}

.nav{
  display:flex; align-items:center; justify-content:space-between;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:999px;
  padding:10px 12px 10px 28px;
  box-shadow:0 10px 30px rgba(23,31,26,.09);
  transition:box-shadow .25s ease, border-radius .25s ease;
  position:relative;
}

header.scrolled .nav{
  box-shadow:0 16px 38px rgba(23,31,26,.16);
}

/*  Brand  */
.brand{ font-size:19px; display:flex; align-items:center; gap:9px; }
.brand .dot{
  width:9px; height:9px; background:var(--sage); border-radius:50%; display:inline-block;
  box-shadow:0 0 0 5px rgba(78,110,76,0.14);
}

/*  Nav links  */
.nav-links{ display:flex; gap:2px; align-items:center; font-size:14px; font-weight:500; position:relative; }

.nav-links a{
  position:relative;
  padding:9px 15px;
  border-radius:999px;
  color:#3B453D;
  font-weight:500;
  z-index:1;
  transition:color .2s ease;
}

.nav-links a:hover{
  color:var(--sage-deep);
}

.nav-links a.active{
  color:var(--sage-deep);
  font-weight:600;
}

.nav-indicator{
  position:absolute;
  top:0; bottom:0;
  background:var(--mint);
  border-radius:999px;
  z-index:0;
  opacity:0;
  transition:left .3s cubic-bezier(.16,1,.3,1), width .3s cubic-bezier(.16,1,.3,1), opacity .2s ease;
}

@media (max-width:990px){
  .nav-indicator{ display:none; }

  .nav-links a:hover{
    background:var(--mint);
  }

  .nav-links a.active{
    background:var(--mint);
  }

  .nav-links:hover a.active{
    background:none;
  }
  .nav-links a.active:hover{
    background:var(--mint);
  }

  .nav-links a{
    transition: background-color .2s ease;
  }
}

/*  Dropdown wrapper (Services / Sectors)  */
.nav-item.has-dropdown{
  position:relative;
  display:flex;
  align-items:center;
}

.nav-item-row{
  display:flex;
  align-items:center;
}

.dropdown-toggle{
  display:none; 
  background:none;
  border:none;
  color:#3B453D;
  cursor:pointer;
  padding:8px;
  align-items:center;
  justify-content:center;
  transition:transform .25s ease;
}

/* Outer dropdown */
.dropdown{
  position:absolute;
  top:100%;
  left:0;
  padding-top:14px;
  opacity:0;
  visibility:hidden;
  pointer-events:none;
  transition:opacity .2s ease, visibility .2s;
  z-index:50;
}

.nav-item.has-dropdown:hover .dropdown,
.nav-item.has-dropdown:focus-within .dropdown{
  opacity:1;
  visibility:visible;
  pointer-events:auto;
}

/* Visible panel */
.dropdown-inner{
  min-width:220px;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:16px;
  box-shadow:0 20px 44px rgba(23,31,26,.16);
  padding:8px;
  display:flex;
  flex-direction:column;
  gap:2px;
}

.dropdown-inner--wide{
  min-width:440px;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:2px 8px;
}

.dropdown a{
  padding:10px 14px;
  border-radius:10px;
  font-size:13.5px;
  font-weight:500;
  color:#3B453D;
  white-space:nowrap;
  transition:background-color .15s ease, color .15s ease;
}

.dropdown a:hover{
  background:var(--mint);
  color:var(--sage-deep);
}

.dropdown a.active{
  background:var(--mint);
  color:var(--sage-deep);
  font-weight:600;
}

/*  CTA + toggle cluster  */
.nav-cta{ display:flex; align-items:center; gap:8px; }

.nav-cta .btn-ghost{
  background: var(--sage);
  color:var(--white);
  border:none;
  border-radius:999px;
  padding:12px 24px;
  transition:background-color .18s ease, transform .15s ease;
}
.nav-cta .btn-ghost:hover{
  background:var(--sage-deep);
  transform:translateY(-1px);
}

.menu-toggle{
  display:none;
  background:var(--paper-dim);
  border:none;
  border-radius:50%;
  width:40px; height:40px;
  cursor:pointer;
  align-items:center; justify-content:center;
  transition:background-color .2s ease;
}
.menu-toggle:hover{ background:var(--sage); }
.menu-toggle:hover span,
.menu-toggle:hover span::before,
.menu-toggle:hover span::after{ background:var(--white); }

.menu-toggle span, .menu-toggle span::before, .menu-toggle span::after{
  content:""; display:block; width:16px; height:2px; background:var(--ink); position:relative;
  transition:transform .25s ease, opacity .2s ease, background-color .2s ease;
}
.menu-toggle span::before{ position:absolute; top:-5px; }
.menu-toggle span::after{ position:absolute; top:5px; }

/* Hamburger → X when nav is open */
.menu-toggle.open span{ background:transparent; }
.menu-toggle.open span::before{ top:0; transform:rotate(45deg); }
.menu-toggle.open span::after{ top:0; transform:rotate(-45deg); }

/*  Mobile  */
@media (max-width:1200px){
  .nav{
    margin-right:15px;
    margin-left:15px;
  }
}

@media (max-width:990px){
  .nav{
    margin:0 14px;
    border-radius:28px;
    padding:10px 10px 10px 22px;
  }

  .nav-links{
    position:absolute; top:calc(100% + 10px); left:0; right:0;
    background:transparent;
    border:1px solid transparent;
    border-radius:22px;
    box-shadow:none;
    flex-direction:column; align-items:stretch; gap:2px;
    padding:0 10px;
    max-height:0; overflow:hidden;
    transition:
      max-height .32s cubic-bezier(.4,0,.2,1),
      padding .32s cubic-bezier(.4,0,.2,1),
      border-color .32s cubic-bezier(.4,0,.2,1),
      box-shadow .32s cubic-bezier(.4,0,.2,1),
      background-color .32s cubic-bezier(.4,0,.2,1);
  }
  .nav-links.open{
    max-height: min(80vh, calc(100vh - 100px));
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    padding:10px;
    background:var(--white);
    border-color:var(--line);
    box-shadow:0 16px 34px rgba(23,31,26,.14);
  }
  .nav-links a{ width:100%; padding:14px 16px; border-radius:14px; }

  .menu-toggle{ display:flex; }
  .nav-cta .btn-ghost{ display:none; }

  .nav-item.has-dropdown{
    flex-direction:column;
    align-items:stretch;
    display:flex;
    width:100%;
  }

  .nav-item-row{
    display:flex;
    align-items:center;
    justify-content:space-between;
    width:100%;
  }

  .nav-item-row a{
    flex:1;
  }

  .dropdown-toggle{
    display:flex;
    width:40px;
    height:40px;
    flex-shrink:0;
  }

  .nav-item.has-dropdown.mobile-open .dropdown-toggle{
    transform:rotate(180deg);
  }

  .dropdown{
    position:static;
    padding-top:0;
    opacity:1;
    visibility:visible;
    pointer-events:auto;
    display:none;
  }

  .nav-item.has-dropdown.mobile-open .dropdown{
    display:flex;
  }

  .dropdown-inner,
  .dropdown-inner--wide{
    background:transparent;
    border:none;
    box-shadow:none;
    border-radius:0;
    padding:0 0 0 14px;
    min-width:0;
    display:flex;
    flex-direction:column;
  }

  .dropdown a{
    padding:12px 16px;
    font-size:14px;
  }
}

@media (max-width:520px){
  .nav{ padding:8px 8px 8px 18px; }
  .brand{ font-size:17px; }
}