/* PIB Contractors - Watford */
:root{
  --navy:#2b3a5e; --navy-deep:#1f2b46; --navy-soft:#eceef4;
  --blue:#4d72b3; --blue-deep:#3a5a96; --blue-soft:#e9eef7;
  --ink:#23262b; --muted:#5c626c; --bg:#f4f6f9; --white:#fff; --line:#e0e4ea;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Open Sans',Arial,sans-serif;font-size:16px;line-height:1.66;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{font-family:'Montserrat',Arial,sans-serif;line-height:1.16;color:var(--navy);font-weight:800}
h2{font-size:clamp(1.7rem,3.5vw,2.5rem);letter-spacing:-.01em}
h3{font-size:1.13rem;font-weight:700}
p{margin-bottom:1rem}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:1180px;margin:0 auto;padding:0 22px}
.eyebrow{font-family:'Montserrat',sans-serif;font-weight:700;font-size:.77rem;letter-spacing:.18em;text-transform:uppercase;color:var(--blue);margin-bottom:.55rem}
section{padding:74px 0}
.center{text-align:center}
.lead{font-size:1.07rem;color:var(--muted);max-width:700px}
.center .lead{margin:0 auto}

.btn{display:inline-flex;align-items:center;gap:9px;font-family:'Montserrat',sans-serif;font-weight:700;font-size:.9rem;padding:14px 28px;border-radius:5px;cursor:pointer;border:2px solid transparent;transition:.18s;white-space:nowrap}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:var(--blue-deep)}
.btn-dark{background:var(--navy);color:#fff}
.btn-dark:hover{background:var(--navy-deep)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.btn-ghost:hover{background:#fff;color:var(--navy)}
.btn-outline{background:transparent;color:var(--navy);border-color:var(--navy)}
.btn-outline:hover{background:var(--navy);color:#fff}

/* header */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:82px}
.brand{display:flex;align-items:baseline;gap:8px;line-height:1}
.brand .b1{font-family:'Montserrat',sans-serif;font-weight:800;font-size:2rem;color:var(--blue);letter-spacing:-.02em}
.brand .b2{font-family:'Montserrat',sans-serif;font-weight:700;font-size:.86rem;letter-spacing:.13em;text-transform:lowercase;color:var(--navy);background:var(--navy-soft);padding:4px 9px;border-radius:3px}
.nav-links{display:flex;gap:2px;list-style:none}
.nav-links li{position:relative}
.nav-links>li>a{display:block;padding:11px 16px;font-family:'Montserrat',sans-serif;font-weight:600;font-size:.89rem;text-transform:uppercase;letter-spacing:.04em;color:var(--navy)}
.nav-links>li>a::after{content:'';position:absolute;left:16px;right:16px;bottom:6px;height:2px;background:var(--blue);transform:scaleX(0);transform-origin:left;transition:transform .22s}
.nav-links>li>a:hover::after,.nav-links>li>a.active::after{transform:scaleX(1)}
.has-sub>a .caret{display:inline-block;margin-left:5px;font-size:.7em;vertical-align:1px}
.submenu{position:absolute;top:100%;left:0;min-width:210px;background:var(--navy);border-radius:0 0 6px 6px;padding:6px 0;box-shadow:0 14px 26px rgba(0,0,0,.22);opacity:0;visibility:hidden;transform:translateY(6px);transition:.16s;list-style:none}
.has-sub:hover .submenu,.has-sub:focus-within .submenu{opacity:1;visibility:visible;transform:translateY(0)}
.submenu a{display:block;padding:11px 18px;font-family:'Montserrat',sans-serif;font-weight:600;font-size:.85rem;color:#d6dbe6}
.submenu a:hover,.submenu a.active{background:var(--blue);color:#fff}
.nav-phone{display:inline-flex;align-items:center;gap:9px;background:var(--navy);color:#fff;font-family:'Montserrat',sans-serif;font-weight:700;font-size:.96rem;padding:13px 22px;border-radius:5px;white-space:nowrap}
.nav-phone:hover{background:var(--blue)}
.nav-phone svg{width:17px;height:17px}
.burger{display:none;background:none;border:0;cursor:pointer;padding:8px}
.burger span{display:block;width:24px;height:2px;background:var(--navy);margin:5px 0}

/* hero */
.hero{position:relative;min-height:600px;display:flex;align-items:center;color:#fff;overflow:hidden}
.hero-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero::after{content:'';position:absolute;inset:0;background:linear-gradient(100deg,rgba(25,33,54,.95) 0%,rgba(25,33,54,.82) 45%,rgba(25,33,54,.4) 100%)}
.hero .wrap{position:relative;z-index:2;padding:78px 22px}
.hero h1{color:#fff;font-size:clamp(2.2rem,5vw,3.7rem);max-width:17ch}
.hero .eyebrow{color:#9db4dc}
.hero p{font-size:1.12rem;color:#d3d8e2;max-width:52ch;margin:1rem 0 1.7rem}
.hero-cta{display:flex;gap:13px;flex-wrap:wrap}

/* page hero */
.page-hero{position:relative;color:#fff;overflow:hidden;padding:0}
.page-hero img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.page-hero::after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,rgba(25,33,54,.95),rgba(25,33,54,.72))}
.page-hero .wrap{position:relative;z-index:2;padding:62px 22px}
.page-hero h1{color:#fff;font-size:clamp(2rem,4.4vw,3rem)}
.page-hero .crumb{color:#9db4dc;font-size:.86rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;margin-top:8px}
.page-hero .crumb a:hover{color:#fff}

/* trust */
.trust{background:var(--navy);color:#fff;padding:0}
.trust .wrap{display:flex;flex-wrap:wrap;gap:12px 36px;justify-content:center;padding:20px 22px}
.trust-item{display:flex;align-items:center;gap:9px;font-family:'Montserrat',sans-serif;font-weight:600;font-size:.88rem;text-transform:uppercase;letter-spacing:.03em}
.trust-item svg{width:19px;height:19px;color:var(--blue);flex:none}

/* stats */
.stats{background:var(--bg)}
.stats .wrap{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;text-align:center}
.stat{border-top:3px solid var(--blue);padding-top:16px}
.stat .num{font-family:'Montserrat',sans-serif;font-weight:800;font-size:clamp(2.6rem,5.5vw,4rem);color:var(--navy);line-height:1}
.stat .lab{font-family:'Montserrat',sans-serif;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);margin-top:6px;font-size:.92rem}

/* split */
.split{background:#fff}
.split .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:50px;align-items:center}
.split.rev .wrap{direction:rtl}
.split.rev .wrap>*{direction:ltr}
.split-media img{width:100%;border-radius:8px;object-fit:cover;min-height:340px}
.split .ticks{list-style:none;margin:16px 0}
.split .ticks li{display:flex;gap:11px;padding:5px 0;font-size:.97rem}
.split .ticks svg{width:20px;height:20px;color:var(--blue);flex:none;margin-top:3px}

/* cards */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:40px}
.card{background:#fff;border:1px solid var(--line);border-radius:8px;overflow:hidden;transition:.18s;display:flex;flex-direction:column}
.card:hover{box-shadow:0 14px 32px rgba(25,33,54,.13);transform:translateY(-3px)}
.card .ci{aspect-ratio:16/10;overflow:hidden}
.card .ci img{width:100%;height:100%;object-fit:cover}
.card .cb{padding:24px;display:flex;flex-direction:column;flex:1}
.card h3{margin-bottom:7px;color:var(--navy)}
.card p{font-size:.93rem;color:var(--muted);margin:0 0 14px}
.card .cl{margin-top:auto;font-family:'Montserrat',sans-serif;font-weight:700;font-size:.85rem;color:var(--blue)}

/* svc rows */
.svc-row{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;margin-bottom:42px}
.svc-row:last-child{margin-bottom:0}
.svc-row:nth-child(even) .sr-media{order:2}
.svc-row .sr-media img{width:100%;border-radius:8px;object-fit:cover;aspect-ratio:4/3}
.svc-row .tag{display:inline-block;background:var(--blue-soft);color:var(--blue-deep);font-family:'Montserrat',sans-serif;font-weight:700;font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;padding:5px 12px;margin-bottom:10px}
.svc-row h2{font-size:1.65rem;margin-bottom:8px}
.svc-row .btn{margin-top:6px}

/* disciplines */
.disc{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:34px}
.disc div{display:flex;align-items:center;gap:11px;background:#fff;border:1px solid var(--line);border-left:3px solid var(--blue);padding:16px 18px;font-family:'Montserrat',sans-serif;font-weight:600;font-size:.95rem}
.disc svg{width:20px;height:20px;color:var(--blue);flex:none}

/* project gallery + lightbox */
.proj-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:36px}
.proj{position:relative;display:block;width:100%;border:0;padding:0;cursor:pointer;background:#fff;overflow:hidden;border-radius:8px;text-align:left;font:inherit}
.proj .pi{aspect-ratio:4/3;overflow:hidden;background:var(--navy-soft)}
.proj .pi img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.proj:hover .pi img{transform:scale(1.07)}
.proj .pc{padding:15px 16px;border:1px solid var(--line);border-top:0;border-radius:0 0 8px 8px}
.proj .pc b{display:block;font-family:'Montserrat',sans-serif;font-size:.98rem;color:var(--navy)}
.proj .pc span{font-size:.82rem;color:var(--blue);font-weight:600}
.proj .pview{position:absolute;top:12px;right:12px;background:var(--blue);color:#fff;font-family:'Montserrat',sans-serif;font-weight:700;font-size:.7rem;letter-spacing:.06em;text-transform:uppercase;padding:6px 11px;border-radius:4px;opacity:0;transition:.2s}
.proj:hover .pview{opacity:1}
.lb{position:fixed;inset:0;z-index:200;background:rgba(20,26,42,.88);display:none;align-items:center;justify-content:center;padding:24px}
.lb.open{display:flex}
.lb-box{background:#fff;max-width:920px;width:100%;max-height:90vh;overflow:auto;border-radius:10px;display:grid;grid-template-columns:1.15fr .85fr;position:relative}
.lb-box img{width:100%;height:100%;object-fit:cover;min-height:280px}
.lb-info{padding:32px 30px}
.lb-info h3{font-family:'Montserrat',sans-serif;font-size:1.4rem;color:var(--navy);margin-bottom:14px;font-weight:800}
.lb-info dl{margin:0}
.lb-info dt{font-family:'Montserrat',sans-serif;font-weight:700;font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--blue);margin-top:14px}
.lb-info dd{font-size:.96rem;color:var(--ink);margin:2px 0 0}
.lb-close{position:absolute;top:10px;right:12px;width:36px;height:36px;border-radius:50%;border:0;background:var(--navy);color:#fff;font-size:1.3rem;cursor:pointer;line-height:1;z-index:2}
.lb-close:hover{background:var(--blue)}

/* cta */
.cta-band{background:var(--navy);color:#fff;text-align:center}
.cta-band h2{color:#fff;max-width:22ch;margin:0 auto}
.cta-band p{color:#c4cad6;max-width:50ch;margin:13px auto 22px}
.cta-band .phone-xl{display:block;margin-top:14px;font-family:'Montserrat',sans-serif;font-weight:800;font-size:1.6rem;color:#fff}
.cta-band .phone-xl:hover{color:var(--blue)}

/* contact */
.contact{background:var(--bg)}
.contact .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:44px}
.c-form{background:#fff;border:1px solid var(--line);border-radius:8px;padding:32px}
.c-form label{display:block;font-family:'Montserrat',sans-serif;font-weight:600;font-size:.85rem;color:var(--navy);margin-bottom:14px}
.c-form input,.c-form select,.c-form textarea{width:100%;margin-top:6px;padding:11px 13px;border:1px solid var(--line);border-radius:5px;font-family:inherit;font-size:.95rem;background:#fcfcfd}
.c-form input:focus,.c-form select:focus,.c-form textarea:focus{outline:2px solid var(--blue-soft);border-color:var(--blue)}
.c-form .btn{width:100%;justify-content:center;margin-top:6px}
.form-note{font-size:.78rem;color:var(--muted);margin-top:10px}
.c-info h3{margin-bottom:6px;color:var(--navy)}
.c-info .row{display:flex;gap:13px;padding:15px 0;border-bottom:1px solid var(--line)}
.c-info .row svg{width:21px;height:21px;color:var(--blue);flex:none;margin-top:3px}
.c-info .row b{font-family:'Montserrat',sans-serif;color:var(--navy);font-size:.95rem}
.c-info .row a,.c-info .row span{color:var(--muted);font-size:.95rem}
.c-map{margin-top:20px;border-radius:8px;overflow:hidden;border:1px solid var(--line)}
.c-map iframe{display:block;width:100%;height:250px;border:0}

/* footer */
.site-footer{background:var(--navy-deep);color:#9aa3b6;padding:54px 0 24px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1.1fr;gap:34px}
.foot-grid h4{color:#fff;font-size:1rem;margin-bottom:13px}
.foot-grid .b1{font-family:'Montserrat',sans-serif;font-weight:800;color:#7e9bd0;font-size:1.7rem;letter-spacing:-.02em}
.foot-grid .b2{font-family:'Montserrat',sans-serif;font-weight:700;font-size:.78rem;letter-spacing:.12em;text-transform:lowercase;color:#fff;margin:2px 0 13px}
.foot-grid a{color:#9aa3b6;display:block;padding:4px 0;font-size:.93rem}
.foot-grid a:hover{color:#fff}
.foot-grid p{font-size:.92rem}
.foot-bottom{border-top:1px solid #313d57;margin-top:32px;padding-top:20px;font-size:.83rem;text-align:center}

@media(max-width:1080px){
  .nav-links{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;flex-direction:column;gap:0;border-bottom:1px solid var(--line);box-shadow:0 14px 26px rgba(0,0,0,.1);padding:8px 0}
  .nav-links.open{display:flex}
  .nav-links>li>a{padding:14px 22px;min-height:44px}
  .nav-links>li>a::after{display:none}
  .submenu{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;background:var(--bg);border-radius:0;padding:0}
  .submenu a{color:var(--navy);padding-left:38px}
  .submenu a:hover,.submenu a.active{background:var(--blue-soft);color:var(--navy)}
  .burger{display:block}
}
@media(max-width:980px){
  .split .wrap,.contact .wrap{grid-template-columns:1fr;gap:32px}
  .split.rev .wrap{direction:ltr}
  .svc-row{grid-template-columns:1fr;gap:20px}
  .svc-row:nth-child(even) .sr-media{order:0}
  .cards,.disc,.proj-grid{grid-template-columns:repeat(2,1fr)}
  .stats .wrap{grid-template-columns:1fr;gap:26px}
  .foot-grid{grid-template-columns:1fr 1fr}
  .lb-box{grid-template-columns:1fr}
  .lb-box img{min-height:200px;max-height:300px}
}
@media(max-width:680px){
  section{padding:54px 0}
  .cards,.disc,.proj-grid{grid-template-columns:1fr}
  .proj-grid{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr}
  .hero{min-height:520px}
}