/* ---------- tokens ---------- */
:root{
  --black:#101820; --black-2:#0b1219; --black-3:#1a2430;
  --grey:#A7A8AA; --grey-2:#6b6e72; --light:#f2f3f4; --white:#fff;
  --yellow:#FFC600;
  --font-display:"Cornerstone",Impact,"Arial Narrow",sans-serif;
  --font-head:"Oswald","Arial Narrow",sans-serif;
  --font-body:"Roboto",system-ui,sans-serif;
  --wrap:1180px; --gutter:clamp(16px,4vw,40px);
  --header-h:88px; --header-h-small:56px;
}
@font-face{font-family:"Cornerstone";src:url(/fonts/Cornerstone-400.ttf) format("truetype");font-display:swap}

/* ---------- base ---------- */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font:400 17px/1.6 var(--font-body);color:var(--black);background:var(--white)}
img,picture{max-width:100%;display:block}
img{height:auto}
a{color:inherit}
h1,h2,h3,h4{margin:0 0 .4em;line-height:1.05}
h1,.display{font-family:var(--font-display);font-weight:400;text-transform:uppercase;letter-spacing:.01em}
h3,h4,.head{font-family:var(--font-head);font-weight:600;text-transform:uppercase;letter-spacing:.02em}
h1{font-size:clamp(2.4rem,6vw,4.6rem)}
h2{font-size:clamp(1.7rem,3.6vw,2.6rem);font-family:var(--font-display);font-weight:400;text-transform:uppercase;letter-spacing:.01em}
h3{font-size:1.25rem}
p{margin:0 0 1em}
.wrap{max-width:var(--wrap);margin-inline:auto;padding-inline:var(--gutter)}
.skip{position:absolute;left:-999px;top:0;background:var(--yellow);color:var(--black);padding:8px 12px;z-index:100}
.skip:focus{left:8px;top:8px}
:focus-visible{outline:3px solid var(--yellow);outline-offset:2px}
.eyebrow{font-family:var(--font-head);font-size:.8rem;letter-spacing:.18em;text-transform:uppercase;color:var(--grey-2);margin-bottom:.5rem}
.dark .eyebrow{color:var(--grey)}
.dark{background:var(--black);color:var(--white)}
.darker{background:var(--black-2);color:var(--white)}
.light{background:var(--light)}
.section{padding-block:clamp(56px,8vw,110px)}
.section-tight{padding-block:clamp(36px,5vw,64px)}
.lead{font-size:1.2rem}

/* ---------- buttons ---------- */
.btn{display:inline-block;font-family:var(--font-head);font-weight:600;letter-spacing:.1em;text-transform:uppercase;font-size:.9rem;padding:14px 26px;text-decoration:none;border:2px solid var(--yellow);background:var(--yellow);color:var(--black);cursor:pointer;transition:transform .15s,background .15s}
.btn:hover{transform:translateY(-2px);background:#ffd333}
.btn-outline{background:transparent;color:var(--white);border-color:var(--grey)}
.btn-outline:hover{background:var(--white);color:var(--black);border-color:var(--white)}
.link-more{font-family:var(--font-head);text-transform:uppercase;letter-spacing:.1em;font-size:.85rem;text-decoration:none;border-bottom:2px solid var(--yellow);padding-bottom:2px}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:50;background:var(--black);color:var(--white);height:var(--header-h);transition:height .25s;box-shadow:0 1px 0 rgba(255,255,255,.06)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;height:100%}
.logo{display:block;height:44px;transition:height .25s}
.logo img{height:100%;width:auto}
.logo .s{display:none;height:100%}
.site-header.small{height:var(--header-h-small)}
.site-header.small .logo{height:30px}
.site-header.small .logo .full{display:none}
.site-header.small .logo .s{display:block}
.nav{display:flex;align-items:center;gap:28px;font-family:var(--font-head);text-transform:uppercase;letter-spacing:.12em;font-size:.85rem}
.nav a{text-decoration:none;color:var(--grey);padding:6px 0;border-bottom:2px solid transparent}
.nav a:hover,.nav a[aria-current=page]{color:var(--white);border-color:var(--yellow)}
.nav .phone{color:var(--yellow)}
.has-sub{position:relative}
.has-sub>a::after{content:" ▾"}
.has-sub .sub{position:absolute;left:0;top:100%;min-width:240px;background:var(--black-3);padding:8px 0;display:none;flex-direction:column}
.has-sub .sub a{padding:10px 18px;border:0;letter-spacing:.08em;font-size:.8rem}
.has-sub:hover .sub,.has-sub:focus-within .sub{display:flex}
.menu-btn{display:none;background:none;border:2px solid var(--grey);color:var(--white);font-family:var(--font-head);letter-spacing:.1em;padding:8px 12px;cursor:pointer}
@media (max-width:900px){
  .menu-btn{display:block}
  .nav{display:none;position:fixed;inset:var(--header-h) 0 0 0;background:var(--black);flex-direction:column;align-items:flex-start;padding:24px var(--gutter);gap:18px;font-size:1.1rem;overflow:auto}
  .site-header.small .nav{top:var(--header-h-small)}
  .nav.open{display:flex}
  .has-sub .sub{position:static;display:flex;background:none;padding:0 0 0 16px}
}

/* ---------- hero ---------- */
.hero{padding-block:clamp(56px,9vw,120px)}
.hero .wrap{display:grid;grid-template-columns:1.1fr 1fr;gap:clamp(24px,5vw,64px);align-items:center}
.hero h1{margin-bottom:.5em}
.hero .rotate{color:var(--yellow);border-bottom:.08em solid var(--yellow);display:inline-block;min-width:8ch}
.hero .lead{font-size:1.15rem;color:var(--grey);max-width:34rem}
.hero .actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:1.5rem}
.hero picture img{border-top:6px solid var(--yellow);aspect-ratio:4/3;object-fit:cover;width:100%}
@media (max-width:820px){.hero .wrap{grid-template-columns:1fr}}
/* full-screen variant: photo fills the viewport behind the headline */
.hero-full{position:relative;min-height:calc(100vh - var(--header-h));display:flex;align-items:center;overflow:hidden;padding-block:clamp(64px,10vw,140px)}
.hero-full .hero-slides,.hero-full .hero-bg{position:absolute;inset:0}
.hero-full .hero-bg{opacity:0;transition:opacity 1.2s ease}
.hero-full .hero-bg.is-active{opacity:1}
.hero-full .hero-bg img{width:100%;height:100%;object-fit:cover;aspect-ratio:auto;border:0}
.hero-full::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(16,24,32,.88) 0%,rgba(16,24,32,.7) 50%,rgba(16,24,32,.35) 100%)}
.hero-full .wrap{position:relative;z-index:1;display:block}
.hero-full .hero-content{max-width:52rem}
.hero-full h1{font-size:clamp(3rem,8.5vw,7rem);margin-bottom:.35em}
.hero-full .lead{font-size:clamp(1.15rem,1.8vw,1.6rem);max-width:44rem;color:#d7d9db}
.hero-full .actions{margin-top:2.2rem;gap:18px}
.hero-full .btn{font-size:1.1rem;padding:20px 40px}

/* ---------- stats ---------- */
.stats .wrap{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:24px;text-align:center}
.stat .num{font-family:var(--font-display);font-size:clamp(2.4rem,5vw,3.6rem);color:var(--yellow);line-height:1}
.stat .lbl{font-family:var(--font-head);letter-spacing:.14em;text-transform:uppercase;font-size:.8rem;color:var(--grey);margin-top:6px}

/* ---------- cards / services ---------- */
.grid-3{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px}
.card{background:var(--light);padding:28px;border-top:4px solid var(--yellow);text-decoration:none;color:inherit;display:flex;flex-direction:column;gap:10px;transition:transform .2s,box-shadow .2s}
.card:hover{transform:translateY(-4px);box-shadow:0 12px 30px rgba(16,24,32,.12)}
.card p{color:#333;margin:0;flex:1}
.card-photo{padding:0;border-top:0;overflow:hidden}
.card-photo picture img{aspect-ratio:3/2;object-fit:cover;width:100%;border-top:4px solid var(--yellow);transition:transform .5s}
.card-photo:hover picture img{transform:scale(1.04)}
.card-body{padding:22px 24px 26px;display:flex;flex-direction:column;gap:10px;flex:1}

/* ---------- two-column feature ---------- */
.feature .wrap{display:grid;grid-template-columns:1fr 1.2fr;gap:clamp(24px,5vw,64px);align-items:center}
.feature picture img{aspect-ratio:4/3;object-fit:cover;width:100%}
blockquote.pull{font-family:var(--font-head);font-size:1.3rem;text-transform:uppercase;letter-spacing:.02em;border-left:5px solid var(--yellow);padding-left:18px;margin:1.2em 0;color:var(--black)}
@media (max-width:820px){.feature .wrap{grid-template-columns:1fr}}

/* ---------- mosaic ---------- */
.mosaic{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:200px;gap:10px}
.mosaic figure{margin:0;position:relative;overflow:hidden;background:var(--black)}
.mosaic figure:first-child{grid-column:span 2;grid-row:span 2}
.mosaic figure:last-child{grid-column:span 2}
.mosaic picture,.mosaic img{width:100%;height:100%}
.mosaic img{object-fit:cover;transition:transform .5s,opacity .3s}
.mosaic figcaption{position:absolute;left:14px;bottom:10px;color:var(--white);font-family:var(--font-head);text-transform:uppercase;letter-spacing:.12em;font-size:.8rem;opacity:0;transition:opacity .3s}
.mosaic figure:hover img{transform:scale(1.05);opacity:.55}
.mosaic figure:hover figcaption{opacity:1}
@media (max-width:820px){.mosaic{grid-template-columns:repeat(2,1fr);grid-auto-rows:150px}}

/* ---------- certifications ---------- */
.certs .wrap{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:clamp(24px,5vw,64px)}
.certs img{height:110px;width:auto}

/* ---------- contact band + form ---------- */
.contact-band .wrap{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,5vw,64px)}
.contact-band address{font-style:normal;color:var(--grey);line-height:1.8}
.contact-band address a{color:var(--white);text-decoration:underline;text-underline-offset:3px}
.form{background:var(--black-3);padding:28px;display:grid;gap:14px;position:relative}
.form label{display:grid;gap:6px;font-family:var(--font-head);font-size:.8rem;letter-spacing:.12em;text-transform:uppercase;color:var(--grey)}
.form input,.form textarea{font:inherit;padding:12px;border:1px solid var(--grey-2);background:var(--black-2);color:var(--white)}
.form textarea{min-height:130px;resize:vertical}
.form .hp{position:absolute;left:-9999px}
.form .status{min-height:1.4em;color:var(--yellow);font-weight:500;margin:0}
.form .status.err{color:#ff8a80}
@media (max-width:820px){.contact-band .wrap{grid-template-columns:1fr}}

/* ---------- inner banner ---------- */
.banner{position:relative;background:var(--black);color:var(--white);padding-block:clamp(48px,8vw,96px);overflow:hidden}
.banner picture{position:absolute;inset:0}
.banner img{width:100%;height:100%;object-fit:cover;opacity:.28}
.banner .wrap{position:relative}
.crumb{font-family:var(--font-head);font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;color:var(--grey);margin-bottom:12px}
.crumb a{text-decoration:none}
.banner .sub{font-size:1.2rem;color:var(--grey);max-width:40rem}

/* ---------- portfolio mosaic + lightbox ---------- */
.intro-split{display:grid;grid-template-columns:1.1fr 1fr;gap:clamp(24px,5vw,64px);align-items:start}
.portfolio{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.portfolio .tile{padding:0;border:0;background:var(--black);cursor:zoom-in;overflow:hidden;aspect-ratio:3/2;position:relative}
.portfolio .tile img{width:100%;height:100%;object-fit:cover;display:block;transition:opacity .6s ease,transform .5s}
.portfolio .tile.fading img{opacity:0}
.portfolio .tile:hover img{transform:scale(1.04)}
.portfolio .tile:focus-visible{outline:3px solid var(--yellow);outline-offset:2px}
.lightbox{border:0;padding:0;background:transparent;max-width:min(92vw,1600px);max-height:92vh}
.lightbox::backdrop{background:rgba(16,24,32,.92)}
.lightbox img{max-width:min(92vw,1600px);max-height:92vh;display:block;box-shadow:0 20px 60px rgba(0,0,0,.6)}
.lightbox-close{position:fixed;top:16px;right:20px;font:400 40px/1 var(--font-body);color:#fff;background:none;border:0;cursor:pointer}
@media (max-width:820px){.intro-split{grid-template-columns:1fr}}

/* ---------- prose / lists ---------- */
.prose{max-width:46rem}
.checks{list-style:none;padding:0;margin:0;display:grid;gap:10px;grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.checks li{padding-left:28px;position:relative}
.checks li::before{content:"";position:absolute;left:0;top:.45em;width:14px;height:14px;background:var(--yellow)}
.photo-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:14px}
.photo-row img{aspect-ratio:3/2;object-fit:cover;width:100%}
.next-service{display:flex;justify-content:space-between;align-items:center;gap:20px;border-top:1px solid #ddd;padding-top:24px;flex-wrap:wrap}
.timeline{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px}
.timeline div{border-top:4px solid var(--yellow);padding-top:12px}
.timeline .yr{font-family:var(--font-display);font-size:2rem;line-height:1;margin-bottom:6px}
.map{aspect-ratio:16/9;width:100%;border:0;filter:grayscale(1) contrast(1.1)}

/* ---------- footer ---------- */
.site-footer{background:var(--black);color:var(--grey);padding-block:56px 28px;font-size:.95rem}
.site-footer .cols{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:32px}
.site-footer h3{color:var(--white);font-size:.85rem;letter-spacing:.14em}
.site-footer a{color:var(--grey);text-decoration:none}
.site-footer a:hover{color:var(--white)}
.site-footer ul{list-style:none;padding:0;margin:0;display:grid;gap:6px}
.site-footer .legal{border-top:1px solid #2a3440;margin-top:36px;padding-top:18px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:.85rem}
.site-footer .legal img{height:18px;width:auto}
@media (max-width:820px){.site-footer .cols{grid-template-columns:1fr}}

/* ---------- reveal (progressive: visible without JS) ---------- */
.js .reveal{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease}
.js .reveal.in{opacity:1;transform:none}
.js .card.reveal.in:hover{transform:translateY(-4px)}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .js .reveal{opacity:1;transform:none;transition:none}
  .mosaic img,.card,.btn{transition:none}
}