body{
  font-family: Arial, Helvetica, sans-serif;
  margin:0;
  color:#222;
  background:#fff;
  line-height:1.6;
}

/* HEADER */
.header{
  border-bottom:1px solid #eee;
  background:#ffffff;
  position:sticky;
  top:0;
  z-index:50;
  box-shadow:0 2px 12px rgba(0,0,0,0.08);
}

.nav{
  width:100%;
  margin:0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:14px 46px;
  box-sizing:border-box;
  gap:24px;
}

.logo img{
  height:60px;
}

.menu{
  list-style:none;
  display:flex;
  gap:34px;
  margin:0;
  padding:0;
  flex-wrap:wrap;
  justify-content:flex-end;
  align-items:center;
}

.menu a{
  color:#0c1b2a;
  text-decoration:none;
  font-weight:600;
  font-size:15px;
  letter-spacing:0.2px;
  position:relative;
}

.menu a::after{
  content:"";
  position:absolute;
  left:0;
  bottom:-6px;
  width:0;
  height:2px;
  background:#f27c00;
  transition:0.25s ease;
}

.menu a:hover::after{
  width:100%;
}

.menu a.contact-link{
  background:#f27c00;
  color:white;
  padding:10px 16px;
  border-radius:6px;
}

.menu a.contact-link::after{
  display:none;
}

.menu a.contact-link:hover{
  background:#d96d00;
}

/* HERO */
.hero{
  min-height: 80vh;
  display:flex;
  align-items:center;
  color:white;
  position:relative;
  background:
    linear-gradient(rgba(0,0,0,0.45), rgba(0,0,0,0.45)),
    url("images/soil-stabilisation.jpg");
  background-size:cover;
  background-position:center;
  background-repeat:no-repeat;
}

.hero-text{
  position:relative;
  color:white;
  max-width:860px;
  margin-left:46px;
  margin-right:20px;
  z-index:1;
}

.hero h1{
  font-size:52px;
  line-height:1.1;
  margin-bottom:18px;
}

.hero p{
  font-size:21px;
  max-width:760px;
  margin-bottom:25px;
}

/* GLOBAL */
.container{
  max-width:1100px;
  margin:auto;
  padding:60px 20px;
}

.lead{
  font-size:19px;
  color:#444;
}

.button{
  display:inline-block;
  background:#0c1b2a;
  color:white;
  padding:14px 22px;
  margin-right:12px;
  margin-bottom:10px;
  border-radius:6px;
  text-decoration:none;
  font-weight:bold;
}

.button:hover{background:#1e3a5a;}

.button.alt{
  background:#f27c00;
}

.button.alt:hover{
  background:#d96d00;
}

.section-title{
  margin-bottom:14px;
  font-size:34px;
}

.intro-panel{
  background:#f7f8fa;
  border-left:6px solid #f27c00;
  padding:26px;
  border-radius:8px;
  margin-top:25px;
}

/* SERVICES GRID */
.services-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(240px,1fr));
  gap:25px;
  margin-top:30px;
}

.service-box{
  background:#f4f6f8;
  padding:26px;
  border-radius:10px;
  box-shadow:0 4px 18px rgba(0,0,0,0.05);
  border-top:4px solid #f27c00;
}

.service-box h3{
  margin-top:0;
}

/* EXPANDABLE SERVICE BLOCKS */
details.service-detail{
  background:#f8f9fb;
  border:1px solid #dde3ea;
  border-radius:10px;
  padding:0;
  margin-bottom:18px;
  overflow:hidden;
}

details.service-detail summary{
  cursor:pointer;
  list-style:none;
  padding:22px 24px;
  font-size:24px;
  font-weight:bold;
  background:#0c1b2a;
  color:white;
}

details.service-detail summary::-webkit-details-marker{
  display:none;
}

.service-content{
  padding:24px;
}

.service-content h3{
  margin-top:0;
  color:#0c1b2a;
}

.service-content ul{
  margin-top:10px;
  padding-left:20px;
}

/* WHY SECTION */
.why{
  background:#eef2f5;
  padding:80px 20px;
}

.why-inner{
  max-width:1120px;
  margin:auto;
  display:grid;
  grid-template-columns:2fr 1fr;
  gap:60px;
}

.why-text p{
  margin-bottom:18px;
  font-size:17px;
}

.why-side{
  display:grid;
  gap:18px;
  align-content:start;
}

.badge{
  background:white;
  padding:18px;
  border-radius:8px;
  text-align:center;
  font-weight:bold;
  border-left:5px solid #f27c00;
  box-shadow:0 4px 18px rgba(0,0,0,0.05);
}

/* TEAM */
.team-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(320px,1fr));
  gap:32px;
}

.team-member{
  background:#f8f9fb;
  border-radius:10px;
  overflow:hidden;
  box-shadow:0 4px 18px rgba(0,0,0,0.06);
}

.team-member img{
  width:100%;
  height:360px;
  object-fit:cover;
  display:block;
}

.team-copy{
  padding:24px;
}

.tag-list{
  margin-top:18px;
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}

.tag{
  background:#eef2f5;
  border-radius:20px;
  padding:8px 14px;
  font-size:14px;
  font-weight:bold;
  color:#0c1b2a;
}

/* CASE STUDIES */
.case-study-card{
  background:#fff;
  border:1px solid #e2e7ec;
  border-radius:12px;
  overflow:hidden;
  box-shadow:0 8px 24px rgba(0,0,0,0.06);
  margin-top:30px;
}

.case-study-image{
  width:100%;
  display:block;
  max-height:430px;
  object-fit:cover;
}

.case-study-body{
  padding:30px;
}

.case-meta{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
  gap:16px;
  background:#f7f8fa;
  border-radius:10px;
  padding:18px;
  margin:22px 0 26px;
}

.case-meta div{
  font-size:15px;
}

.case-study-body ul{
  padding-left:22px;
}

.highlight-panel{
  background:#f8f9fb;
  border-left:6px solid #f27c00;
  border-radius:8px;
  padding:22px;
  margin-top:26px;
}

/* CONTACT */
.contact-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
  gap:24px;
  margin-top:24px;
}

.contact-card{
  background:#f8f9fb;
  border-radius:10px;
  padding:26px;
  box-shadow:0 4px 18px rgba(0,0,0,0.06);
}

.contact-card a{
  color:#0c1b2a;
  text-decoration:none;
}

.contact-card a:hover{
  color:#f27c00;
}

/* FOOTER */
footer{
  text-align:center;
  padding:30px;
  background:#f4f4f4;
  color:#333;
}

/* RESPONSIVE */
@media (max-width: 900px){
  .nav{
  width:100%;
  margin:0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:14px 46px;
  box-sizing:border-box;
  gap:24px;
}

  .logo img{
    height:50px;
  }

  .menu{
  list-style:none;
  display:flex;
  gap:34px;
  margin:0;
  padding:0;
  flex-wrap:wrap;
  justify-content:flex-end;
  align-items:center;
}

  .menu a{
    font-size:14px;
  }

  .hero-text{
  position:relative;
  color:white;
  max-width:860px;
  margin-left:46px;
  margin-right:20px;
  z-index:1;
}

  .hero{
    min-height:70vh;
    background-position:center center;
  }

  .hero h1{
    font-size:38px;
  }

  .hero p{
    font-size:18px;
  }

  .why-inner{
    grid-template-columns:1fr;
    gap:30px;
  }

  details.service-detail summary{
    font-size:20px;
  }
}


@media (min-width: 1400px){
  .nav{
    padding-left:70px;
    padding-right:70px;
  }

  .hero-text{
    margin-left:70px;
  }
}