/* A7B Building Solutions Inc. - main stylesheet */
:root{
  --navy:#0B2250; --navy-2:#081A3D; --navy-3:#122C63;
  --gold:#C8961E; --gold-2:#E3B646; --gold-text:#8A6508;
  --ink:#16213A; --muted:#4A5670; --line:#E1E6EF; --soft:#F6F3EA; --white:#fff;
  --radius:14px; --shadow:0 10px 30px rgba(11,34,80,.12);
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font);color:var(--ink);background:#fff;line-height:1.65;font-size:17px}
img{max-width:100%;height:auto;display:block}
a{color:var(--navy)}
h1,h2,h3,h4{margin:0 0 .5em;line-height:1.18;color:var(--navy);letter-spacing:-.01em}
h1{font-size:clamp(2rem,5.2vw,3.5rem);font-weight:800}
h2{font-size:clamp(1.6rem,3.6vw,2.4rem);font-weight:800}
h3{font-size:1.25rem;font-weight:700}
p{margin:0 0 1em}
.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 22px}
.skip{position:absolute;left:-999px;top:8px;background:var(--gold);color:var(--navy);padding:10px 16px;border-radius:8px;z-index:200;font-weight:700}
.skip:focus{left:8px}
:focus-visible{outline:3px solid var(--gold);outline-offset:3px}
.icon{width:1em;height:1em;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex:none}

/* top bar + header */
.topbar{background:var(--navy-2);color:#D5DDEE;font-size:14px}
.topbar .wrap{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;padding-top:8px;padding-bottom:8px}
.topbar a{color:#fff;text-decoration:none}
.topbar a:hover{color:var(--gold-2)}
.topbar .sep{opacity:.5;margin:0 8px}
.site-header{position:sticky;top:0;z-index:100;background:#fff;border-bottom:1px solid var(--line)}
.site-header.scrolled{box-shadow:0 4px 18px rgba(11,34,80,.1)}
.bar{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:74px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--navy)}
.brand img{height:46px;width:auto}
.brand span{font-weight:800;font-size:1.25rem;letter-spacing:.5px;line-height:1.05}
.brand small{display:block;font-size:.62rem;letter-spacing:1.6px;font-weight:700;color:var(--gold-text);text-transform:uppercase}
.nav{display:flex;align-items:center;gap:6px}
.nav a{text-decoration:none;font-weight:600;font-size:15px;padding:10px 12px;border-radius:8px;color:var(--navy)}
.nav a:hover{color:var(--gold-text)}
.nav a[aria-current="page"]{color:var(--gold-text);box-shadow:inset 0 -3px 0 var(--gold)}
.nav .nav-cta{margin-left:8px;box-shadow:none;color:var(--navy)}
.nav-toggle{display:none;background:#fff;border:2px solid var(--navy);border-radius:10px;width:46px;height:46px;cursor:pointer;align-items:center;justify-content:center}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{display:block;width:22px;height:2px;background:var(--navy);position:relative;content:"";transition:.2s}
.nav-toggle span::before{position:absolute;top:-7px}
.nav-toggle span::after{position:absolute;top:7px}
.nav-toggle[aria-expanded="true"] span{background:transparent}
.nav-toggle[aria-expanded="true"] span::before{top:0;transform:rotate(45deg)}
.nav-toggle[aria-expanded="true"] span::after{top:0;transform:rotate(-45deg)}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:50px;padding:0 26px;border-radius:10px;font-weight:700;font-size:16px;text-decoration:none;border:2px solid transparent;cursor:pointer;font-family:inherit;transition:background .15s,transform .15s,color .15s}
.btn:hover{transform:translateY(-1px)}
.btn-gold{background:var(--gold-2);color:var(--navy)}
.btn-gold:hover{background:#EEC55C}
.btn-navy{background:var(--navy);color:#fff}
.btn-navy:hover{background:var(--navy-3)}
.btn-outline{border-color:var(--navy);color:var(--navy);background:transparent}
.btn-outline:hover{background:var(--navy);color:#fff}
.btn-outline-light{border-color:#fff;color:#fff;background:transparent}
.btn-outline-light:hover{background:#fff;color:var(--navy)}
.btn-wa{background:#1FA855;color:#fff}
.btn-wa:hover{background:#17924A}
.btn-row{display:flex;gap:14px;flex-wrap:wrap}

/* sections */
section{padding:84px 0}
.sec-soft{background:var(--soft)}
.sec-navy{background:var(--navy);color:#D5DDEE}
.sec-navy h2,.sec-navy h3{color:#fff}
.eyebrow{display:inline-block;font-weight:700;font-size:13px;letter-spacing:2.2px;text-transform:uppercase;color:var(--gold-text);margin-bottom:12px}
.sec-navy .eyebrow{color:var(--gold-2)}
.sec-head{max-width:720px;margin-bottom:44px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.lead{font-size:1.15rem;color:var(--muted)}
.grid{display:grid;gap:24px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}

/* page hero (inner pages) */
.page-hero{background:linear-gradient(135deg,var(--navy-2),var(--navy) 60%,var(--navy-3));color:#D5DDEE;padding:64px 0 56px;position:relative}
.page-hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:5px;background:linear-gradient(90deg,var(--gold),var(--gold-2),var(--gold))}
.page-hero h1{color:#fff;margin-bottom:.35em}
.page-hero p{max-width:680px;font-size:1.15rem;margin:0}
.crumbs{font-size:14px;margin-bottom:14px;color:#AEBBD6}
.crumbs a{color:#fff}

/* home hero */
.hero{background:linear-gradient(135deg,var(--navy-2),var(--navy) 58%,var(--navy-3));color:#D5DDEE;padding:78px 0 86px;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:6px;background:linear-gradient(90deg,var(--gold),var(--gold-2),var(--gold))}
.hero .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:54px;align-items:center}
.hero h1{color:#fff}
.hero h1 em{font-style:normal;color:var(--gold-2)}
.hero .lead{color:#D5DDEE;max-width:560px;margin-bottom:28px}
.hero-photo{position:relative;padding:0 0 22px 22px}
.hero-photo::before{content:"";position:absolute;left:0;bottom:0;right:22px;top:22px;border:3px solid var(--gold);border-radius:18px}
.hero-photo img{position:relative;border-radius:18px;width:100%;aspect-ratio:4/4.6;object-fit:cover;box-shadow:var(--shadow)}
.hero-points{list-style:none;padding:0;margin:26px 0 0;display:flex;flex-wrap:wrap;gap:10px 22px;font-weight:600;font-size:15px}
.hero-points li{display:flex;align-items:center;gap:8px}
.hero-points .icon{color:var(--gold-2);width:20px;height:20px}

/* trust strip */
.strip{background:#fff;padding:0;margin-top:-1px}
.strip .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.strip-item{display:flex;align-items:center;gap:14px;padding:26px 18px;border-right:1px solid var(--line)}
.strip-item:last-child{border-right:0}
.strip-item .icon{width:34px;height:34px;color:var(--gold-text)}
.strip-item strong{display:block;color:var(--navy);line-height:1.2}
.strip-item span{font-size:14px;color:var(--muted)}

/* cards */
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column}
.card-body{padding:26px;display:flex;flex-direction:column;gap:6px;flex:1}
.card-body p{color:var(--muted);margin-bottom:.6em}
.card-body .more{margin-top:auto;font-weight:700;text-decoration:none;color:var(--navy);display:inline-flex;align-items:center;gap:8px}
.card-body .more:hover{color:var(--gold-text)}
.ico-box{width:58px;height:58px;border-radius:14px;background:#FBF3DD;color:var(--gold-text);display:flex;align-items:center;justify-content:center;font-size:30px;margin-bottom:10px}
.svc-card{transition:transform .2s,box-shadow .2s}
.svc-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.svc-banner{aspect-ratio:16/9;background:linear-gradient(135deg,var(--navy-2),var(--navy-3));display:flex;align-items:center;justify-content:center;color:var(--gold-2);font-size:64px}
.svc-banner img{width:100%;height:100%;object-fit:cover}
.checks{list-style:none;padding:0;margin:8px 0 14px;display:grid;gap:6px;font-size:15.5px;color:var(--ink)}
.checks li{display:flex;gap:10px;align-items:flex-start}
.checks .icon{color:var(--gold-text);margin-top:4px;width:18px;height:18px}

/* split */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split img{border-radius:18px;box-shadow:var(--shadow);width:100%}
.split.rev>:first-child{order:2}

/* steps */
.step{position:relative;padding-top:6px}
.step b{display:block;font-size:46px;font-weight:800;color:var(--gold-2);line-height:1;margin-bottom:10px}
.step p{color:#C9D3E6;margin:0}

/* gallery */
.filters{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:28px}
.filter{border:2px solid var(--line);background:#fff;color:var(--navy);font-weight:700;font-size:15px;padding:9px 18px;border-radius:999px;cursor:pointer;font-family:inherit}
.filter:hover{border-color:var(--gold)}
.filter[aria-pressed="true"]{background:var(--navy);border-color:var(--navy);color:#fff}
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.tile{margin:0;position:relative;border-radius:var(--radius);overflow:hidden;background:#E8ECF3;cursor:zoom-in;border:0;padding:0;text-align:left;display:block;width:100%}
.tile img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .35s}
.tile:hover img{transform:scale(1.04)}
.tile figcaption,.tile .cap{position:absolute;left:0;right:0;bottom:0;padding:34px 16px 14px;background:linear-gradient(transparent,rgba(8,26,61,.88));color:#fff;font-weight:600;font-size:15px}
.tile[hidden]{display:none}
.ba{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.ba .tile img{aspect-ratio:auto}

/* lightbox */
.lb{position:fixed;inset:0;background:rgba(5,15,38,.94);z-index:300;display:none;align-items:center;justify-content:center;padding:24px}
.lb.open{display:flex}
.lb figure{margin:0;max-width:min(1100px,100%);max-height:100%;display:flex;flex-direction:column;align-items:center;gap:12px}
.lb img{max-height:80vh;width:auto;max-width:100%;border-radius:10px}
.lb figcaption{color:#fff;font-weight:600;text-align:center}
.lb button{position:absolute;background:rgba(255,255,255,.14);color:#fff;border:0;width:48px;height:48px;border-radius:50%;font-size:26px;cursor:pointer;display:flex;align-items:center;justify-content:center}
.lb button:hover{background:var(--gold);color:var(--navy)}
.lb .x{top:16px;right:16px}.lb .p{left:14px;top:50%}.lb .n{right:14px;top:50%}

/* testimonials */
.tcard{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;display:flex;flex-direction:column;gap:14px}
.tcard blockquote{margin:0;font-size:1.05rem}
.tcard .stars{color:var(--gold);display:flex;gap:2px;font-size:20px}
.tcard .stars .icon{fill:currentColor;stroke:none}
.tcard cite{font-style:normal;font-weight:700;color:var(--navy)}
.tcard cite small{display:block;font-weight:500;color:var(--muted)}
.tempty{grid-column:1/-1;text-align:center;max-width:720px;margin:0 auto;background:#fff;border:2px dashed #D9C892;border-radius:var(--radius);padding:38px 28px}
.tempty .icon{width:40px;height:40px;color:var(--gold-text);margin:0 auto 10px}

/* cta band */
.cta{background:linear-gradient(135deg,var(--navy-2),var(--navy));color:#D5DDEE;text-align:center;padding:72px 0;position:relative}
.cta::before{content:"";position:absolute;left:0;right:0;top:0;height:5px;background:linear-gradient(90deg,var(--gold),var(--gold-2),var(--gold))}
.cta h2{color:#fff}
.cta p{max-width:620px;margin:0 auto 26px;font-size:1.1rem}
.cta .btn-row{justify-content:center}

/* forms */
.form-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:34px;box-shadow:var(--shadow)}
.fgrid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:6px}
.field.full{grid-column:1/-1}
label{font-weight:700;font-size:14.5px;color:var(--navy)}
label .req{color:#B3261E}
input,select,textarea{font:inherit;font-size:16px;color:var(--ink);background:#fff;border:1.5px solid #9AA6BD;border-radius:10px;padding:12px 14px;min-height:50px;width:100%}
textarea{min-height:140px;resize:vertical}
input:focus,select:focus,textarea:focus{outline:3px solid rgba(200,150,30,.45);border-color:var(--gold)}
input:user-invalid,select:user-invalid,textarea:user-invalid{border-color:#B3261E}
.fnote{font-size:14px;color:var(--muted);margin:16px 0 0}
.fmsg{margin-top:18px;padding:14px 16px;border-radius:10px;background:#EAF6EE;color:#14532D;font-weight:600;display:none}
.fmsg.show{display:block}
.fmsg.err{background:#FDECEA;color:#8C1D18}
.hp{position:absolute;left:-9999px;height:0;overflow:hidden}

/* contact cards */
.ccard{display:flex;gap:16px;align-items:flex-start;padding:22px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;text-decoration:none;color:inherit}
a.ccard:hover{border-color:var(--gold);box-shadow:var(--shadow)}
.ccard .ico-box{margin:0;flex:none}
.ccard strong{display:block;color:var(--navy);font-size:1.05rem}
.ccard span{color:var(--muted);word-break:break-word}

/* faq */
details{border:1px solid var(--line);border-radius:12px;padding:0;background:#fff;margin-bottom:12px}
summary{cursor:pointer;font-weight:700;color:var(--navy);padding:18px 22px;list-style:none;display:flex;justify-content:space-between;gap:12px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";font-size:24px;line-height:1;color:var(--gold-text)}
details[open] summary::after{content:"\2212"}
details p{padding:0 22px 20px;margin:0;color:var(--muted)}

/* footer */
.site-footer{background:var(--navy-2);color:#C3CDE3;padding:64px 0 0;font-size:15.5px}
.fgrid4{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:38px}
.site-footer h3{color:#fff;font-size:1.05rem;margin-bottom:14px}
.site-footer a{color:#C3CDE3;text-decoration:none}
.site-footer a:hover{color:var(--gold-2)}
.site-footer ul{list-style:none;padding:0;margin:0;display:grid;gap:9px}
.flogo{background:#fff;border-radius:12px;padding:10px 14px;display:inline-block;margin-bottom:16px}
.flogo img{width:190px;height:auto}
.contact-list li{display:flex;gap:10px;align-items:flex-start}
.contact-list .icon{color:var(--gold-2);margin-top:5px;width:18px;height:18px}
.fbottom{border-top:1px solid rgba(255,255,255,.12);margin-top:44px;padding:20px 0;font-size:14px;display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap}

/* floating actions */
.fab{position:fixed;right:18px;bottom:22px;z-index:90;width:58px;height:58px;border-radius:50%;background:#1FA855;color:#fff;display:flex;align-items:center;justify-content:center;font-size:30px;box-shadow:0 8px 22px rgba(0,0,0,.28)}
.fab:hover{background:#17924A}
.mbar{display:none}

/* responsive */
@media (max-width:1020px){
  .g4{grid-template-columns:repeat(2,1fr)}
  .g3{grid-template-columns:repeat(2,1fr)}
  .gallery{grid-template-columns:repeat(2,1fr)}
  .fgrid4{grid-template-columns:1fr 1fr}
  .strip .wrap{grid-template-columns:repeat(2,1fr)}
  .strip-item:nth-child(2){border-right:0}
  .strip-item:nth-child(-n+2){border-bottom:1px solid var(--line)}
}
@media (max-width:860px){
  body{font-size:16.5px;padding-bottom:64px}
  section{padding:62px 0}
  .nav-toggle{display:flex}
  .nav{position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;padding:10px 22px 22px;gap:2px;display:none;box-shadow:0 14px 24px rgba(11,34,80,.12)}
  .nav.open{display:flex}
  .nav a{padding:14px 8px;font-size:17px;border-bottom:1px solid var(--line);border-radius:0}
  .nav a[aria-current="page"]{box-shadow:none}
  .nav .nav-cta{margin:14px 0 0;border:0;text-align:center}
  .hero .wrap,.split{grid-template-columns:1fr;gap:38px}
  .split.rev>:first-child{order:0}
  .hero{padding:54px 0 66px}
  .hero-photo{max-width:440px}
  .topbar .wrap{justify-content:center;text-align:center}
  .topbar .loc{display:none}
  .fab{display:none}
  .mbar{display:grid;grid-template-columns:repeat(3,1fr);position:fixed;left:0;right:0;bottom:0;z-index:120;background:#fff;border-top:1px solid var(--line);box-shadow:0 -6px 20px rgba(11,34,80,.12);padding-bottom:env(safe-area-inset-bottom)}
  .mbar a{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;min-height:60px;font-size:13px;font-weight:700;text-decoration:none;color:var(--navy)}
  .mbar a .icon{font-size:22px}
  .mbar a.mw{color:#128C45}
  .mbar a.mg{background:var(--gold-2)}
}
@media (max-width:620px){
  .g2,.g3,.g4,.gallery,.ba,.fgrid,.fgrid4{grid-template-columns:1fr}
  .strip .wrap{grid-template-columns:1fr}
  .strip-item{border-right:0;border-bottom:1px solid var(--line)}
  .brand span{font-size:1.05rem}
  .brand img{height:40px}
  .form-card{padding:22px}
  .btn{width:100%}
  .btn-row{flex-direction:column}
  .lb .p{left:6px}.lb .n{right:6px}
}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
@media print{.topbar,.site-header,.mbar,.fab,.cta{display:none}}