/* SUR Drywall — one-page site. Tokens from spec §1. */
:root{
  --navy:#2E4A62; --navy-soft:#496277; --yellow:#F3E063; --yellow-hover:#EAD54A; --yellow-soft:#FFF091;
  --ice:#F0F8FF; --paper:#F7F7F7; --sky:#A3C5D9; --accent:#7EBCF2; --white:#fff;
  --ink:#111; --body:#666; --on-navy:#C9D2DA; --btn-text:#1A1A1A; --border:#E6E6E6; --pill:#F1F3F5;
  --radius:16px; --shadow:0 12px 32px rgba(0,0,0,.12); --shadow-sm:0 2px 8px rgba(0,0,0,.04);
  --nav-h:76px; --pad-x:24px; --sec-y:120px;
  --font:"Figtree","Inter",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
body{margin:0;font-family:var(--font);font-size:17px;line-height:1.6;color:var(--body);background:#fff;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:600;line-height:1.1}
.sec h2,.cta-band h2{font-weight:800}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
section[id],main [id]{scroll-margin-top:calc(var(--nav-h) + 8px)}
.sprite{position:absolute;width:0;height:0;overflow:hidden}
.ic{width:20px;height:20px;flex:none;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.skip{position:absolute;left:-999px;top:8px;background:var(--yellow);color:var(--btn-text);padding:10px 16px;border-radius:10px;z-index:100;font-weight:600}
.skip:focus{left:12px}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px}

.wrap{max-width:1248px;margin:0 auto;padding:0 var(--pad-x)}
.narrow{max-width:868px}
.center{text-align:center}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;font:600 16px/1.2 var(--font);padding:16px 28px;border-radius:12px;text-decoration:none;border:0;cursor:pointer;transition:transform .15s,background-color .15s,box-shadow .15s;white-space:nowrap}
.btn-yellow{background:var(--yellow);color:var(--btn-text);box-shadow:0 8px 20px rgba(0,0,0,.12)}
.btn-yellow:hover{background:var(--yellow-hover);transform:translateY(-2px)}
.btn-outline-light{color:#fff;border:1.5px solid rgba(255,255,255,.6);background:transparent}
.btn-outline-light:hover{background:rgba(255,255,255,.08)}
.btn-outline-navy{color:var(--navy);border:1.5px solid var(--navy);background:transparent}
.btn-outline-navy:hover{background:rgba(46,74,98,.06)}
.btn-sm{padding:12px 22px;font-size:15px}
.btn-block{display:flex;width:100%}
.btn-row{display:flex;flex-wrap:wrap;gap:14px}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:#fff;transition:box-shadow .2s}
.site-header.scrolled{box-shadow:0 6px 24px rgba(17,17,17,.08)}
.nav{height:var(--nav-h);display:flex;align-items:center;gap:24px}
.logo{font-weight:800;font-size:22px;letter-spacing:-.01em;color:var(--navy);text-decoration:none;white-space:nowrap}
.nav-pill{display:flex;gap:4px;background:var(--pill);border-radius:12px;padding:6px 8px;margin-left:auto}
.nav-pill a{color:var(--navy);text-decoration:none;font-weight:600;font-size:15px;padding:6px 14px;border-radius:9px}
.nav-pill a:hover{background:#fff}
.nav-phone{display:inline-flex;align-items:center;gap:8px;color:var(--navy);font-weight:600;font-size:15px;text-decoration:none;margin-left:auto;white-space:nowrap}
.nav-phone .ic{width:18px;height:18px}
.menu-btn{display:none;margin-left:12px;width:44px;height:44px;border:0;border-radius:12px;background:var(--pill);color:var(--navy);cursor:pointer;align-items:center;justify-content:center}
.menu-btn .ic{width:24px;height:24px}
.menu-btn .ic-close,.menu-btn[aria-expanded="true"] .ic-open{display:none}
.menu-btn[aria-expanded="true"] .ic-close{display:block}
.mobile-menu{border-top:1px solid var(--border);background:#fff;box-shadow:0 16px 32px rgba(17,17,17,.1)}
.mobile-menu nav{display:flex;flex-direction:column;padding-top:8px;padding-bottom:20px}
.mobile-menu a{color:var(--navy);text-decoration:none;font-weight:600;font-size:18px;padding:14px 0;border-bottom:1px solid var(--border)}
.mobile-menu .mm-call{display:flex;align-items:center;gap:10px;border-bottom:0;margin-bottom:8px}
.mobile-menu .btn{color:var(--btn-text);border-bottom:0;font-size:17px}

/* Hero */
.hero{background:var(--navy);color:#fff;padding:96px 0 0;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:55fr 45fr;gap:48px;align-items:center}
.hero-text{padding-bottom:104px}
.eyebrow{font-size:13px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--navy);margin-bottom:14px}
.eyebrow-light{color:#A9C2D8;margin-bottom:22px}
.hero h1{color:#fff;margin:0 0 28px}
.h1-big{display:block;font-weight:900;font-size:clamp(60px,9.4vw,124px);line-height:.95;letter-spacing:-.02em}
.h1-sub{display:block;color:var(--yellow);font-weight:700;font-size:clamp(30px,3.6vw,44px);line-height:1.1;margin-top:18px;letter-spacing:-.01em}
.hero-lead{font-size:21px;line-height:1.45;color:#fff;margin-bottom:12px;max-width:34ch}
.hero-scope{font-size:15px;color:var(--on-navy);margin-bottom:32px}
.hero-trust{font-size:14px;color:var(--on-navy);margin-top:28px}
.hero-media{align-self:end;justify-self:end;width:100%;max-width:470px}
.hero-media img{width:100%;aspect-ratio:460/560;object-fit:cover;object-position:62% 50%;border-radius:16px 16px 0 0;box-shadow:var(--shadow)}

/* Sections */
.sec{padding:var(--sec-y) 0}
.sec-ice{background:var(--ice)} .sec-paper{background:var(--paper)} .sec-sky{background:var(--sky)} .sec-white{background:#fff}
.sec-head{margin-bottom:56px}
.sec h2{color:var(--navy);font-size:clamp(34px,4.4vw,54px);letter-spacing:-.02em;line-height:1.1}
.sec h2.on-dark{color:#fff}
.sub{margin-top:16px;font-size:18px}
.sub-navy{margin-top:14px;font-size:19px;color:rgba(46,74,98,.85);font-weight:500}
.lead{font-size:18px;margin-top:20px}
.accent{color:var(--accent)}
.sec-head.center .sub{max-width:52ch;margin-left:auto;margin-right:auto}

/* Services */
.services{display:grid;grid-template-columns:repeat(5,1fr);gap:24px}
.svc{background:#fff;border-radius:var(--radius);padding:28px 24px 30px;box-shadow:var(--shadow-sm);text-align:center}
.blob{display:inline-flex;align-items:center;justify-content:center;width:68px;height:68px;background:var(--yellow);color:var(--navy);border-radius:42% 58% 55% 45%/50% 45% 55% 50%;margin-bottom:20px}
.blob .ic{width:30px;height:30px}
.svc h3{font-size:20px;margin-bottom:10px}
.svc p{font-size:15.5px;line-height:1.55}

/* Split */
.split{display:grid;grid-template-columns:1fr 1fr;gap:72px;align-items:center}
.split-media{position:relative;border-radius:18px;overflow:hidden;box-shadow:var(--shadow)}
.split-media img{width:100%;aspect-ratio:1/1;object-fit:cover}
.split-media::after{content:"";position:absolute;inset:55% 0 0;background:linear-gradient(transparent,rgba(0,0,0,.55));pointer-events:none}
.overlay-link{position:absolute;left:28px;bottom:24px;z-index:1;color:#fff;font-weight:500;font-size:20px;text-decoration:none;display:inline-flex;align-items:center;gap:10px}
.overlay-link .ic{transition:transform .15s}
.overlay-link:hover .ic{transform:translateX(4px)}
.checklist{display:grid;grid-template-columns:1fr 1fr;gap:16px 24px;margin:32px 0 28px}
.checklist li{display:flex;align-items:center;gap:12px;font-size:20px;font-weight:600;color:var(--ink)}
.checklist .ic{width:26px;height:26px;color:var(--accent);stroke-width:2}
.note{font-size:15px;padding-top:20px;border-top:1px solid var(--border)}

/* Process — stacked sticky cards */
.stack{max-width:480px;margin:0 auto;counter-reset:none}
.stack-card{position:sticky;background:#fff;border-radius:var(--radius);padding:36px 32px 38px;text-align:center;box-shadow:0 14px 40px rgba(46,74,98,.18);margin-bottom:28px}
.stack-card:nth-child(1){top:calc(var(--nav-h) + 24px)}
.stack-card:nth-child(2){top:calc(var(--nav-h) + 40px)}
.stack-card:nth-child(3){top:calc(var(--nav-h) + 56px)}
.stack-card:nth-child(4){top:calc(var(--nav-h) + 72px)}
.stack-card:nth-child(5){top:calc(var(--nav-h) + 88px);margin-bottom:0}
.stack-card-yellow{background:var(--yellow-soft)}
.stack-card-yellow .btn{margin-top:22px}
.stack-icon{display:inline-flex;align-items:center;justify-content:center;width:64px;height:64px;border-radius:50%;background:var(--ice);color:var(--navy);margin-bottom:18px}
.stack-card-yellow .stack-icon{background:rgba(255,255,255,.6)}
.stack-icon .ic{width:28px;height:28px}
.stack-card h3{font-size:22px;margin-bottom:10px}
.stack-card p{font-size:16.5px}
.due-soon{text-align:center;margin-top:64px}
.due-soon h3{color:#fff;font-size:28px;margin-bottom:20px}

/* Why */
.why-grid{display:grid;grid-template-columns:380px 1fr;gap:32px;align-items:stretch}
.why-media{margin:0;border-radius:18px;overflow:hidden;box-shadow:var(--shadow)}
.why-media img{width:100%;height:100%;min-height:100%;object-fit:cover}
.why-cards{display:grid;gap:24px}
.why-card{background:#fff;border-radius:var(--radius);padding:32px;display:flex;gap:28px;align-items:center;box-shadow:var(--shadow-sm)}
.why-icon{flex:none;display:inline-flex;align-items:center;justify-content:center;width:88px;height:88px;border-radius:50%;background:var(--sky);color:var(--navy)}
.why-icon .ic{width:36px;height:36px}
.why-card h3{font-size:22px;margin-bottom:8px}

/* Gallery rail */
.gallery-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px}
.rail-ctrl{display:flex;gap:10px}
.rail-btn{width:48px;height:48px;border-radius:50%;border:1.5px solid var(--navy);background:#fff;color:var(--navy);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:background-color .15s,opacity .15s}
.rail-btn:hover{background:var(--navy);color:#fff}
.rail-btn:disabled{opacity:.35;cursor:default;background:#fff;color:var(--navy)}
.rail-btn .ic{width:22px;height:22px}
.rail-outer{position:relative}
.rail{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;overscroll-behavior-x:contain;-webkit-overflow-scrolling:touch;
  padding:4px max(var(--pad-x),calc((100vw - 1200px)/2)) 28px;scroll-padding-inline:max(var(--pad-x),calc((100vw - 1200px)/2));scrollbar-width:thin;scrollbar-color:var(--sky) transparent}
.rail::-webkit-scrollbar{height:8px}
.rail::-webkit-scrollbar-thumb{background:var(--sky);border-radius:8px}
.rail-item{flex:0 0 clamp(250px,27vw,340px);scroll-snap-align:start}
.rail-link{position:relative;display:block;border-radius:16px;overflow:hidden;background:#dfe7ee;box-shadow:0 8px 22px rgba(46,74,98,.14)}
.rail-link img{width:100%;aspect-ratio:4/5;object-fit:cover;transition:transform .4s}
.rail-link:hover img{transform:scale(1.03)}
.cap{position:absolute;left:12px;bottom:12px;right:12px;width:fit-content;max-width:calc(100% - 24px);background:rgba(0,0,0,.6);color:#fff;font-size:13.5px;font-weight:500;line-height:1.35;padding:6px 12px;border-radius:10px}
#projects .btn-outline-navy{margin-top:28px}

/* Testimonial */
.testimonial{padding-bottom:40px}
.quote-mark{width:64px;height:48px;fill:var(--yellow);margin:0 auto 28px;display:block}
blockquote{margin:0}
blockquote p{font-size:clamp(19px,2vw,23px);line-height:1.55;color:var(--navy);font-weight:500}
blockquote footer{margin-top:24px;font-weight:600;font-size:16px;color:var(--body)}
blockquote footer::before{content:"— "}

/* FAQ */
.faq-grid{display:grid;grid-template-columns:5fr 7fr;gap:64px;align-items:start}
.faq-intro .btn{margin-top:28px}
.faq-intro{position:sticky;top:calc(var(--nav-h) + 32px)}
.faq-list{display:grid;gap:14px}
.faq-list details{border:1px solid var(--border);border-radius:var(--radius);background:#fff;transition:box-shadow .2s}
.faq-list details[open]{box-shadow:0 8px 24px rgba(17,17,17,.06)}
.faq-list summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:22px 26px;font-weight:600;font-size:19px;color:var(--ink);line-height:1.35}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary .ic{width:22px;height:22px;color:var(--navy);transition:transform .2s}
.faq-list details[open] summary .ic{transform:rotate(180deg)}
.faq-list details p{padding:0 26px 24px;font-size:16.5px}
.faq-list details a{color:var(--navy);font-weight:600}

/* Bid */
.sec-bid{padding-top:40px}
.bid-grid{display:grid;grid-template-columns:5fr 7fr;gap:64px;align-items:start}
.small-line{margin-top:14px}
.small-line a{color:var(--navy);text-decoration:none}
.contact-rows{margin-top:36px;display:grid;gap:18px}
.contact-rows li{display:flex;align-items:center;gap:16px}
.contact-rows a{color:var(--ink);font-weight:500;text-decoration:none;font-size:17px}
.contact-rows a:hover{color:var(--navy);text-decoration:underline}
.c-ic{flex:none;width:48px;height:48px;border-radius:50%;background:var(--accent);color:#fff;display:inline-flex;align-items:center;justify-content:center}
.form-card{background:var(--ice);border-radius:20px;box-shadow:var(--shadow);padding:40px}
.form-title{color:var(--navy);text-align:center;font-size:26px;margin-bottom:28px}
.fgrid{display:grid;grid-template-columns:1fr 1fr;gap:18px 20px;margin-bottom:24px}
.field{display:flex;flex-direction:column;gap:7px;min-width:0}
.field-full{grid-column:1/-1}
.field label{font-size:14.5px;font-weight:600;color:var(--ink)}
.req{color:#C0392B}
.field input,.field textarea{font:400 16px/1.4 var(--font);color:var(--ink);background:#fff;border:1px solid var(--border);border-radius:10px;padding:13px 14px;width:100%;min-width:0;transition:border-color .15s,box-shadow .15s}
.field input[type="date"]{min-height:49px}
.field textarea{resize:vertical;min-height:120px}
.field input::placeholder,.field textarea::placeholder{color:#9AA3AB}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(126,188,242,.3)}
.field.invalid input,.field.invalid textarea{border-color:#C0392B}
.field .hint{font-size:13px;color:#7A838B;margin-top:-2px}
.field .err{font-size:13.5px;color:#C0392B}
.hp{position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden}
.form-status{margin-top:14px;font-size:15px;text-align:center;min-height:1px}
.form-status.error{color:#C0392B}
.form-status a{color:inherit;font-weight:600}
button[disabled]{opacity:.7;cursor:progress}
.form-success{text-align:center;padding:40px 12px}
.form-success p{font-size:22px;color:var(--navy);font-weight:600;line-height:1.35}
.success-ic{display:inline-flex;width:72px;height:72px;border-radius:50%;background:var(--yellow);color:var(--navy);align-items:center;justify-content:center;margin-bottom:20px}
.success-ic .ic{width:36px;height:36px;stroke-width:2}
.mailto-fallback{margin-top:18px;text-align:center;font-size:15px}
.mailto-fallback a{color:var(--navy);font-weight:600}

/* CTA band */
.cta-band{position:relative;background:var(--navy);color:#fff;padding:88px 0;overflow:hidden;isolation:isolate}
.cta-band::before{content:"";position:absolute;inset:0;background:url("/images/gallery/sur-15-corridor-insulated-metal-channel-board-staged-600.jpg") center 40%/cover;opacity:.1;z-index:-1}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-band h2{color:#fff;font-size:clamp(32px,4vw,50px);letter-spacing:-.02em}

/* Footer */
.site-footer{background:#fff;padding:80px 0 0;font-size:15.5px}
.foot-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:48px}
.logo-dark{font-size:24px}
.foot-brand p{margin:14px 0 20px;max-width:30ch}
.social{display:inline-flex;width:42px;height:42px;border-radius:50%;background:var(--navy);color:#fff;align-items:center;justify-content:center}
.foot-thumbs{display:grid;grid-template-columns:repeat(3,64px);gap:10px;align-content:start}
.foot-thumbs img{width:64px;height:64px;object-fit:cover;border-radius:12px}
.foot-col h4{font-size:17px;color:var(--ink);margin-bottom:14px}
.foot-col p{line-height:1.8}
.foot-col a{text-decoration:none}
.foot-col a:hover{color:var(--navy);text-decoration:underline}
.foot-link{display:inline-flex;align-items:center;gap:8px;margin-top:12px;color:var(--navy)!important;font-weight:600}
.foot-link .ic{width:18px;height:18px}
.foot-bar{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;margin-top:64px;padding-top:24px;padding-bottom:28px;border-top:1px solid var(--border);font-size:14.5px}
.foot-bar nav{display:flex;gap:22px}
.foot-bar a{text-decoration:none}
.foot-bar a:hover{color:var(--navy)}

/* Lightbox */
.lightbox{border:0;padding:0;background:transparent;max-width:min(92vw,1100px);max-height:92vh;overflow:visible}
.lightbox::backdrop{background:rgba(17,24,32,.88)}
.lightbox img{max-width:min(92vw,1100px);max-height:84vh;width:auto;height:auto;border-radius:12px;margin:0 auto}
.lightbox p{color:#fff;text-align:center;margin-top:12px;font-size:15px}
.lb-close{position:absolute;top:12px;right:12px;box-shadow:0 4px 12px rgba(0,0,0,.25);width:44px;height:44px;border-radius:50%;border:0;background:#fff;color:var(--navy);cursor:pointer;display:flex;align-items:center;justify-content:center}

/* ---------- Responsive ---------- */
@media (max-width:1180px){
  .services{display:flex;flex-wrap:wrap;justify-content:center}
  .services .svc{flex:0 0 calc((100% - 48px)/3)}
}
@media (max-width:1040px){
  .nav-pill,.nav-phone{display:none}
  .nav-cta{margin-left:auto}
  .menu-btn{display:inline-flex}
}
@media (max-width:899px){
  :root{--sec-y:96px}
  .hero{padding-top:64px}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-text{padding-bottom:0}
  .hero-media{justify-self:stretch;max-width:none}
  .hero-media img{aspect-ratio:4/3;object-position:50% 45%}
  .split{grid-template-columns:1fr;gap:44px}
  .split-media img{aspect-ratio:4/3}
  .why-grid{grid-template-columns:1fr}
  .why-media img{aspect-ratio:16/10;height:auto}
  .faq-grid,.bid-grid{grid-template-columns:1fr;gap:40px}
  .faq-intro{position:static}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:700px){
  .services{display:grid;grid-template-columns:1fr 1fr}
  .services .svc:last-child{grid-column:1/-1}
}
@media (max-width:600px){
  :root{--nav-h:64px;--pad-x:20px;--sec-y:72px}
  body{font-size:16px}
  .logo{font-size:20px}
  .nav{gap:10px}
  .nav-cta{padding:10px 16px;font-size:14.5px}
  .menu-btn{margin-left:4px}
  .hero{padding-top:48px}
  .eyebrow-light{margin-bottom:16px}
  .h1-big{font-size:clamp(56px,17vw,68px)}
  .h1-sub{font-size:30px;margin-top:12px}
  .hero-lead{font-size:19px}
  .btn-row .btn{flex:1 1 100%}
  .hero-media img{aspect-ratio:4/4.2}
  .sec-head{margin-bottom:40px}
  .sub{font-size:17px}
  .services{gap:14px}
  .svc{padding:22px 16px 24px}
  .svc h3{font-size:18px}
  .svc p{font-size:14.5px}
  .blob{width:58px;height:58px;margin-bottom:14px}
  .blob .ic{width:26px;height:26px}
  .overlay-link{font-size:18px;left:20px;bottom:18px}
  .split-media img{aspect-ratio:1/1}
  .checklist{grid-template-columns:1fr;gap:14px}
  .checklist li{font-size:18px}
  .stack-card{padding:28px 22px 30px}
  .stack-card h3{font-size:20px}
  .why-card{flex-direction:column;align-items:flex-start;gap:18px;padding:26px 24px}
  .why-icon{width:72px;height:72px}
  .why-icon .ic{width:30px;height:30px}
  .gallery-head{display:block}
  .rail-ctrl{display:none}
  .rail{gap:14px}
  .rail-item{flex-basis:78vw}
  .faq-list summary{padding:18px 20px;font-size:17px}
  .faq-list details p{padding:0 20px 20px;font-size:15.5px}
  .form-card{padding:28px 20px;border-radius:18px}
  .form-title{font-size:23px;margin-bottom:22px}
  .fgrid{grid-template-columns:1fr;gap:16px}
  .contact-rows a{font-size:16px;word-break:break-word}
  .cta-band{padding:64px 0}
  .cta-inner .btn-row{width:100%}
  .foot-grid{grid-template-columns:1fr;gap:36px}
  .foot-bar{flex-direction:column;align-items:flex-start}
}

/* Plain pages (thanks / form error) */
.plain-page{background:var(--ice);min-height:100vh}
.plain{padding-top:72px;padding-bottom:72px}
.plain h1{color:var(--navy);font-size:clamp(30px,4vw,44px);letter-spacing:-.02em;margin:32px 0 18px}
.plain p{margin-bottom:18px}
.plain p a:not(.btn){color:var(--navy);font-weight:600}
.plain ul{margin:0 0 18px 20px;list-style:disc}