*{box-sizing:border-box;margin:0;padding:0;}
body{font-family:'Segoe UI',Arial,sans-serif;color:#1C1C1C;}

:root{
  --nav-blue:#3F9CD9;
  --nav-teal:#eec008;
  --nav-teal-dark:#e30000;
  --nav-text:#1C1C1C;
  --nav-border:#EDEDED;
}

.site-header{
  position: sticky;
  top: 0;
  z-index: 1000;
  background: #fff;
  border-bottom: 1px solid var(--nav-border);
}

.navbar{
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  position: relative;
}
.brand{
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
}

.brand img{
  height: 60px;
  width: auto;
  max-width: 160px;
  object-fit: contain;
  display: block;
}

/* Tablet / Mobile */
@media (max-width: 900px){
  .brand img{
    height: 32px;
    max-width: 130px;
  }
}

/* Small phones */
@media (max-width: 380px){
  .brand img{
    height: 28px;
    max-width: 110px;
  }
}

/* Hamburger */
.nav-toggle{
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 32px;
  height: 32px;
  position: relative;
}
.nav-toggle span{
  position: absolute;
  left: 4px; right: 4px;
  height: 2px;
  background: var(--nav-text);
  transition: .25s ease;
}
.nav-toggle span:nth-child(1){ top: 9px; }
.nav-toggle span:nth-child(2){ top: 15px; }
.nav-toggle span:nth-child(3){ top: 21px; }
.nav-toggle.open span:nth-child(1){ transform: translateY(6px) rotate(45deg); }
.nav-toggle.open span:nth-child(2){ opacity: 0; }
.nav-toggle.open span:nth-child(3){ transform: translateY(-6px) rotate(-45deg); }

/* Menu */
.nav-menu{
  display: flex;
  align-items: center;
  gap: 30px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-menu > li{ position: relative; }
.nav-menu a{
  text-decoration: none;
  color: var(--nav-text);
  font-size: 15px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 8px 0;
}
.nav-menu a:hover,
.nav-menu a:focus-visible,
.nav-menu a.active{ color: var(--nav-teal); }

.caret{
  width: 9px; height: 9px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
  margin-top: -3px;
  transition: transform .2s ease;
}
.has-dropdown.open .caret{ transform: rotate(225deg); margin-top: 3px; }

/* Regular Dropdown (Case Studies etc.) */
.dropdown{
  list-style: none;
  position: absolute;
  top: 100%; left: 0;
  background: #fff;
  border: 1px solid var(--nav-border);
  border-radius: 8px;
  min-width: 190px;
  box-shadow: 0 12px 28px rgba(0,0,0,.08);
  padding: 8px;
  margin: 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: .18s ease;
}
.has-dropdown:hover .dropdown,
.has-dropdown:focus-within .dropdown,
.has-dropdown.open .dropdown{
  opacity: 1; visibility: visible; transform: translateY(0);
}
.dropdown a{ padding: 8px 10px; border-radius: 6px; font-weight: 400; }
.dropdown a:hover{ background: #F3FAF7; color: var(--nav-teal); }

/* ===== Mega Menu (Services) ===== */
.has-mega{ position: relative; }
.mega{
  list-style: none;
  position: absolute;
  top: 100%;
  left: 50%;
  width: min(700px, 92vw);
  background: #fff;
  border-top: 3px solid var(--nav-teal);
  box-shadow: 0 20px 40px rgba(0,0,0,.10);
  padding: 0;
  margin: 0;
  opacity: 0;
  visibility: hidden;
  transform: translate(-50%, 10px);
  transition: .2s ease;
  z-index: 999;
}
.has-mega:hover .mega,
.has-mega:focus-within .mega,
.has-mega.open .mega{
  opacity: 1; visibility: visible; transform: translate(-50%, 0);
}
.mega-inner{
  margin: 0 auto;
  padding: 30px 24px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}
.mega-col h4{
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: .5px;
  color: var(--nav-teal-dark);
  margin-bottom: 12px;
  font-weight: 700;
}
.mega-col ul{ list-style: none; }
.mega-col ul li + li{ margin-top: 4px; }
.mega-col a{
  display: block;
  padding: 6px 8px;
  margin: 0 -8px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 400;
  color: var(--nav-text);
}
.mega-col a:hover{ background: #F3FAF7; color: var(--nav-teal); }

/* Contact button */
.btn-contact{
  /* background: var(--nav-teal-dark); */
  color: #fff !important;
  padding: 10px 40px;
  border-radius: 24px;
  font-weight: 600;
}
.nav-menu li a.btn-contact{ padding: 10px 40px; }
.btn-contact:hover{ background: var(--nav-teal); color: #fff !important; }

/* FIX: .btn-contact used !important on color, which was silently
   beating .nav-menu a.active's color rule whenever the Contact link
   also matched .active — so it never visibly turned yellow.
   This rule wins the specificity/!important battle and restores the
   active highlight on the contact button too. */
.nav-menu a.active.btn-contact{
  color: var(--nav-teal) !important;
}

/* Responsive */
@media (max-width: 900px){
  .nav-toggle{ display: block; }
  .nav-menu{
    position: fixed;
    top: 64px; left: 0; right: 0; bottom: 0;
    background: #fff;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 10px 24px 30px;
    overflow-y: auto;
    transform: translateX(100%);
    transition: transform .3s ease;
  }
  .nav-menu.open{ transform: translateX(0); }
  .nav-menu > li{ width: 100%; border-bottom: 1px solid var(--nav-border); }
  .nav-menu a{ padding: 14px 0; width: 100%; justify-content: space-between; }

  .dropdown{
    position: static; box-shadow: none; border: none;
    opacity: 1; visibility: visible; transform: none;
    display: none; padding: 0 0 8px 12px;
    max-height: 0; overflow: hidden; transition: max-height .25s ease;
  }
  .has-dropdown.open .dropdown{ display: block; max-height: 300px; }

  /* Mega menu -> stacked accordion on mobile */
  .mega{
    position: static; box-shadow: none; border-top: none;
    opacity: 1; visibility: visible; transform: none;
    display: none; max-height: 0; overflow: hidden;
    transition: max-height .3s ease;
  }
  .has-mega.open .mega{ display: block; max-height: 1200px; }

  /* FIX: on mobile, the general hover/focus/open rule further down the
     cascade re-applies "transform: translate(-50%, 0)" to .mega, which
     shifts it half its own width to the left and pushes it off-screen.
     This rule has the same specificity (3 chained classes) and comes
     later in the file, so it wins and correctly cancels the transform. */
  .has-mega:hover .mega,
  .has-mega:focus-within .mega,
  .has-mega.open .mega{
    transform: none;
  }

  .mega-inner{
    grid-template-columns: 1fr;
    padding: 6px 0 14px 12px;
    gap: 18px;
  }
  .mega-col a{ padding: 8px 0; margin: 0; }

  .btn-contact{ margin-top: 14px; text-align: center; }
}

/* Demo page content */
.hero{
  max-width:1200px;margin:0 auto;padding:80px 24px;text-align:center;
}
.hero h1{font-size:36px;margin-bottom:14px;}
.hero p{color:#666;font-size:16px;max-width:560px;margin:0 auto;}