:root{
  --blue:#0b4da2;
  --blue-dark:#0b2c58;
  --text:#132238;
  --muted:#64748b;
  --line:#e5eaf1;
  --soft:#f7f9fc;
  --white:#fff;
  --shadow:0 10px 28px rgba(11,44,88,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Arial, Helvetica, sans-serif;
  color:var(--text);
  background:#fff;
  line-height:1.55;
}
img{max-width:100%;display:block}
a{color:inherit}
button,input,textarea{font:inherit}
.container{width:min(1180px,calc(100% - 40px));margin:auto}
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{min-height:88px;display:flex;align-items:center;justify-content:space-between;gap:28px}
.brand{display:block;width:230px;flex:0 0 auto}
.brand img{width:100%;height:72px;object-fit:contain;object-position:left center}
.main-nav{display:flex;align-items:center;gap:34px}
.main-nav a{
  text-decoration:none;
  text-transform:uppercase;
  font-size:.84rem;
  font-weight:700;
  letter-spacing:.03em;
  padding:31px 0 27px;
  border-bottom:3px solid transparent;
}
.main-nav a:hover,.main-nav a.active{color:var(--blue);border-color:var(--blue)}
.menu-toggle{display:none;background:none;border:0;font-size:1.8rem;color:var(--blue-dark)}
.hero{background:#fff}
.hero-grid{
  min-height:460px;
  display:grid;
  grid-template-columns:46% 54%;
  align-items:stretch;
}
.hero-copy{
  padding:72px 48px 60px 0;
  display:flex;
  flex-direction:column;
  justify-content:center;
}
.hero-copy h1{
  margin:0;
  text-transform:uppercase;
  font-size:clamp(2.5rem,4.3vw,4.1rem);
  line-height:1.02;
  letter-spacing:-.035em;
  color:var(--blue-dark);
}
.hero-copy h1 span{color:var(--blue)}
.title-line{width:42px;height:3px;background:var(--blue);margin:24px 0 20px}
.hero-copy p{max-width:560px;font-size:1.05rem;margin:0 0 28px}
.hero-visual{
  background:
    linear-gradient(90deg,rgba(255,255,255,.4),rgba(255,255,255,0) 28%),
    url("../assets/images/hero-construction.jpg") center/cover no-repeat;
  min-height:460px;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  border:0;border-radius:5px;
  min-height:46px;padding:0 24px;
  text-decoration:none;font-weight:700;text-transform:uppercase;font-size:.82rem;
  cursor:pointer;
}
.primary{background:var(--blue);color:#fff}
.primary:hover{background:#083f86}
.outline{background:#fff;color:var(--blue);border:1px solid #b7c7dc}
.outline:hover{border-color:var(--blue);background:#f2f7fd}
.section{padding:70px 0}
.alt{background:var(--soft)}
.eyebrow{
  color:var(--blue);
  text-transform:uppercase;
  letter-spacing:.08em;
  font-size:.76rem;font-weight:800;
  margin:0 0 8px;
}
h2{font-size:clamp(1.8rem,3vw,2.6rem);line-height:1.15;margin:0 0 18px}
.about{border-top:1px solid var(--line)}
.about-grid{display:grid;grid-template-columns:1fr 2fr;gap:70px}
.about-copy p:first-child{margin-top:0}
.about-copy{font-size:1.04rem}
.section-heading{text-align:center;max-width:760px;margin:0 auto 32px}
.section-heading h2{margin-bottom:10px}
.muted{color:var(--muted)}
.services{padding-top:60px}
.service-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.service-card{
  border:1px solid var(--line);
  border-radius:8px;
  overflow:hidden;
  background:#fff;
  box-shadow:var(--shadow);
  transition:transform .2s ease,box-shadow .2s ease;
}
.service-card:hover{transform:translateY(-4px);box-shadow:0 16px 34px rgba(11,44,88,.12)}
.service-card img{width:100%;height:165px;object-fit:cover}
.card-body{padding:22px}
.card-body h3{
  margin:0 0 9px;color:var(--blue-dark);
  text-transform:uppercase;font-size:1rem
}
.card-body p{margin:0 0 15px;color:#46566e;font-size:.92rem}
.text-link{
  border:0;background:none;padding:0;color:var(--blue);
  font-weight:700;cursor:pointer
}
.category-buttons{display:flex;flex-wrap:wrap;justify-content:center;gap:12px}
.contact-grid{display:grid;grid-template-columns:.82fr 1.3fr;gap:70px}
.contact-info ul{padding:0;margin:28px 0 0;list-style:none}
.contact-info li{margin:12px 0}
.contact-info a{color:var(--blue);text-decoration:none}
.contact-form{
  background:#fff;border:1px solid var(--line);
  padding:28px;border-radius:10px;box-shadow:var(--shadow)
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.contact-form label{display:block;margin-bottom:14px}
.contact-form label span{display:block;font-size:.82rem;font-weight:700;margin-bottom:6px}
.contact-form input,.contact-form textarea{
  width:100%;
  border:1px solid #cfd8e6;
  border-radius:5px;
  padding:12px 13px;
  outline:none;
  background:#fff;
}
.contact-form input:focus,.contact-form textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(11,77,162,.10)}
.hp{position:absolute!important;left:-9999px!important}
.form-status{margin:12px 0 0;font-size:.9rem;min-height:1.4em}
.form-status.success{color:#157347}
.form-status.error{color:#b42318}
.site-footer{background:var(--blue-dark);color:#fff;padding:22px 0}
.footer-wrap{display:flex;justify-content:space-between;gap:20px;font-size:.9rem}

/* Modal gallery */
.modal{position:fixed;inset:0;z-index:100;display:none}
.modal.open{display:block}
.modal-backdrop{position:absolute;inset:0;background:rgba(3,18,38,.72)}
.modal-panel{
  position:relative;
  width:min(920px,calc(100% - 32px));
  max-height:88vh;overflow:auto;
  margin:6vh auto 0;
  background:#fff;border-radius:12px;padding:34px;
  box-shadow:0 24px 80px rgba(0,0,0,.28)
}
.modal-close{
  position:absolute;right:18px;top:13px;
  border:0;background:none;font-size:2rem;color:#52627a;cursor:pointer
}
.gallery-note{color:var(--muted);margin-top:-6px}
.gallery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:24px}
.gallery-placeholder{
  min-height:190px;
  border:2px dashed #b9c7d9;
  border-radius:8px;
  background:#f7f9fc;
  display:flex;align-items:center;justify-content:center;
  text-align:center;padding:22px;color:#6b7b91;
  font-weight:700
}
body.modal-open{overflow:hidden}

@media (max-width:980px){
  .menu-toggle{display:block}
  .main-nav{
    display:none;
    position:absolute;left:0;right:0;top:88px;
    background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
    flex-direction:column;align-items:stretch;gap:0;padding:10px 20px 18px
  }
  .main-nav.open{display:flex}
  .main-nav a{padding:15px 0;border-bottom:1px solid var(--line)}
  .hero-grid{grid-template-columns:1fr}
  .hero-copy{padding:50px 0 36px}
  .hero-visual{min-height:320px}
  .service-grid{grid-template-columns:repeat(2,1fr)}
  .contact-grid{grid-template-columns:1fr;gap:34px}
  .about-grid{grid-template-columns:1fr;gap:12px}
}
@media (max-width:620px){
  .container{width:min(100% - 28px,1180px)}
  .nav-wrap{min-height:76px}
  .brand{width:190px}
  .brand img{height:60px}
  .main-nav{top:76px}
  .hero-copy{padding-top:38px}
  .hero-visual{min-height:250px}
  .section{padding:50px 0}
  .service-grid{grid-template-columns:1fr}
  .service-card img{height:190px}
  .form-row{grid-template-columns:1fr;gap:0}
  .footer-wrap{flex-direction:column}
  .gallery-grid{grid-template-columns:1fr}
}