*{box-sizing:border-box}
html,body{
  margin:0;
  width:100%;
  height:100%;
  background:#000;
  font-family:Arial,Helvetica,sans-serif;
}
body{
  display:block;
  overflow:hidden;
}
.master-canvas{
  position:relative;
  width:100vw;
  height:100vh;
  height:100dvh;
  overflow:hidden;
  background:#000;
}
.master-image,
.hero-slide{
  position:absolute;
  left:0;
  top:0;
  width:100%;
  height:100%;
  max-width:none;
  object-fit:cover;
  object-position:center center;
}
.master-header{
  position:absolute;
  z-index:10;
  left:0;
  top:0;
  width:100%;
  height:77px;
  display:grid;
  grid-template-columns:minmax(160px,430px) 1fr minmax(120px,195px);
  align-items:center;
  padding:0 clamp(20px,11vw,172px);
  background:#000;
}
.brand{
  display:block;
  width:196px;
  height:61px;
}
.brand img{
  display:block;
  width:196px;
  height:61px;
  object-fit:contain;
  object-position:left center;
}
.primary-nav{
  height:77px;
  display:flex;
  align-items:center;
  justify-content:center;
  gap:clamp(18px,2.6vw,40px);
}
.primary-nav a{
  position:relative;
  height:77px;
  display:flex;
  align-items:center;
  color:#fff;
  text-decoration:none;
  font-size:10px;
  line-height:1;
  font-weight:700;
}
.primary-nav a::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:17px;
  height:1px;
  background:#fff;
  transform:scaleX(0);
  transform-origin:center;
  transition:transform .18s ease;
}
.primary-nav a.active::after,
.primary-nav a:hover::after,
.primary-nav a:focus-visible::after{
  transform:scaleX(1);
}
.enquire{
  justify-self:end;
  width:111px;
  height:38px;
  display:flex;
  align-items:center;
  justify-content:center;
  background:#101010;
  border:1px solid #171717;
  color:#fff;
  text-decoration:none;
  font-size:10px;
  line-height:1;
  font-weight:700;
}
.enquire:hover,
.enquire:focus-visible{
  background:#242424;
}
.home-copy{
  position:absolute;
  left:clamp(24px,3vw,44px);
  bottom:clamp(40px,7vh,88px);
  top:auto;
  width:min(590px,56vw);
  color:#fff;
  transform:none;
}
.service-line{
  margin:0 0 20px;
  font-size:11px;
  line-height:1;
  letter-spacing:.02em;
  font-weight:400;
}
.home-copy h1{
  margin:0 0 23px;
  font-size:clamp(24px,2.2vw,27px);
  line-height:1.05;
  letter-spacing:-.02em;
  font-weight:400;
}
.description{
  margin:0;
  font-size:14px;
  line-height:1.22;
  font-weight:400;
}
.explore-work{
  position:absolute;
  right:clamp(24px,3.3vw,51px);
  bottom:clamp(40px,7vh,88px);
  top:auto;
  color:#fff;
  text-decoration:none;
  font-size:14px;
  line-height:1;
  font-weight:400;
}
.explore-work::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:-5px;
  height:1px;
  background:#fff;
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .18s ease;
}
.explore-work:hover::after,
.explore-work:focus-visible::after{
  transform:scaleX(1);
}

/* Four-image cinematic cross-fade */
.hero-slideshow{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  overflow:hidden;
  background:#000;
  z-index:0;
}
.hero-slide{
  opacity:0;
  transition:opacity 1800ms ease-in-out;
  z-index:0;
  pointer-events:none;
}
.hero-slide.is-active{
  opacity:1;
  z-index:1;
}
@media (prefers-reduced-motion: reduce){
  .hero-slide{
    transition:none;
  }
  .hero-slide:not(:first-child){
    display:none;
  }
}

.master-header{
  z-index:100;
}
.master-canvas > main{
  position:absolute;
  inset:0;
  z-index:50;
  pointer-events:none;
}
.home-copy,
.explore-work{
  z-index:60;
  opacity:1 !important;
  visibility:visible !important;
}
.home-copy{
  pointer-events:none;
}
.explore-work{
  pointer-events:auto;
}

.acknowledgement{
  margin:12px 0 0;
  color:#fff;
  font-family:Arial,Helvetica,sans-serif;
  font-size:11px;
  line-height:1.2;
  font-weight:400;
  text-shadow:0 1px 2px rgba(0,0,0,.55);
}
.home-copy h1,
.description,
.service-line{
  text-shadow:0 1px 2px rgba(0,0,0,.45);
}

/* BLOW / office slides — fill viewport without distorting aspect more than cover */
.hero-slide.blow-proportional,
.hero-slide.office-proportional{
  left:0;
  top:0;
  width:100%;
  height:100%;
  object-fit:cover;
  object-position:center center;
}