:root{
  --green:    #23443a;
  --green-dk: #183129;
  --sand:     #f5f1ea;
  --sand-dk:  #e8e1d4;
  --clay:     #a5673f;

  --ink:      #1d2420;
  --text:     #3c4540;
  --muted:    #6b736e;
  --line:     #e3ded4;
  --paper:    #ffffff;
  --radius:   4px;
  --maxw:     1180px;
  --header-h: 80px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:96px;}
body{
  margin:0;
  font-family:'Public Sans',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  font-size:17px;line-height:1.65;
  color:var(--text);background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3{
  font-family:'Source Serif 4',Georgia,serif;
  color:var(--ink);line-height:1.12;margin:0 0 0.5em;font-weight:600;
}
h1{font-size:clamp(2.4rem,5.2vw,4.2rem);letter-spacing:-0.015em;}
h2{font-size:clamp(1.7rem,2.8vw,2.4rem);}
h3{font-size:1.25rem;}
p{margin:0 0 1rem;}
a{color:var(--green);}
img{max-width:100%;display:block;}

.container{max-width:var(--maxw);margin:0 auto;padding:0 24px;}
.section{padding:clamp(64px,8vw,112px) 0;}
.section-alt{background:var(--sand);}
.section-head{max-width:680px;margin-bottom:44px;}
.section-head-row{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:12px 32px;margin-bottom:36px;}
.section-head-row h2,.section-head-row .lede{margin:0;}
.lede{font-size:1.15rem;color:var(--muted);}
.text-link{font-weight:600;color:var(--green);text-decoration:none;}
.text-link:hover{text-decoration:underline;text-underline-offset:4px;}

/* Buttons */
.btn{
  display:inline-block;
  font:inherit;font-weight:600;font-size:1rem;line-height:1.2;
  padding:0.85rem 1.4rem;border-radius:var(--radius);
  border:1px solid transparent;text-decoration:none;cursor:pointer;
  transition:background-color 0.15s,border-color 0.15s,color 0.15s;
}
.btn-primary{background:var(--green);color:#fff;}
.btn-primary:hover{background:var(--green-dk);}
.btn-secondary{background:#fff;color:var(--green);border-color:#cfc8ba;}
.btn-secondary:hover{border-color:var(--green);}
.btn-light{background:#fff;color:var(--ink);}
.btn-light:hover{background:var(--sand);}
.btn-outline-light{color:#fff;border-color:rgba(255,255,255,0.6);}
.btn-outline-light:hover{border-color:#fff;background:rgba(255,255,255,0.08);}

/* Header. On pages with a photo header it starts transparent over the photo
   and turns white once the visitor scrolls. */
.site-header{
  position:sticky;top:0;z-index:50;
  background:#fff;border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:var(--header-h);}
.brand{text-decoration:none;color:var(--ink);line-height:1.1;}
.brand-name{display:block;font-family:'Source Serif 4',Georgia,serif;font-weight:600;font-size:1.45rem;}
.brand small{display:block;margin-top:2px;font-size:0.82rem;color:var(--muted);}
.site-nav{display:flex;align-items:center;gap:28px;}
.site-nav a{color:var(--text);text-decoration:none;font-weight:500;font-size:0.97rem;}
.site-nav a:hover,.site-nav a[aria-current="page"]{color:var(--green);text-decoration:underline;text-underline-offset:6px;}
.site-nav .nav-phone{font-weight:600;}
.nav-toggle{display:none;background:none;border:1px solid var(--line);border-radius:var(--radius);padding:8px 12px;font:inherit;font-size:0.95rem;color:var(--ink);cursor:pointer;}

.site-header.overlay{position:fixed;left:0;right:0;background:transparent;border-bottom-color:transparent;transition:background-color 0.25s,border-color 0.25s;}
.site-header.overlay .brand,
.site-header.overlay .site-nav a{color:#fff;}
.site-header.overlay .brand small{color:rgba(255,255,255,0.8);}
.site-header.overlay .site-nav a:hover,
.site-header.overlay .site-nav a[aria-current="page"]{color:#fff;}
.site-header.overlay .nav-toggle{color:#fff;border-color:rgba(255,255,255,0.5);}
.site-header.overlay.scrolled{background:#fff;border-bottom-color:var(--line);}
.site-header.overlay.scrolled .brand,
.site-header.overlay.scrolled .site-nav a{color:var(--text);}
.site-header.overlay.scrolled .brand{color:var(--ink);}
.site-header.overlay.scrolled .brand small{color:var(--muted);}
.site-header.overlay.scrolled .site-nav a:hover,
.site-header.overlay.scrolled .site-nav a[aria-current="page"]{color:var(--green);}
.site-header.overlay.scrolled .nav-toggle{color:var(--ink);border-color:var(--line);}

/* Photo headers: full-bleed photos behind the page title */
.photo-hero{
  position:relative;display:flex;align-items:flex-end;
  min-height:clamp(560px,92vh,940px);
  background:var(--green-dk);color:#fff;overflow:hidden;
}
.photo-hero.short{min-height:clamp(420px,62vh,640px);}
.photo-hero-media,.photo-hero-media img{position:absolute;inset:0;width:100%;height:100%;}
.photo-hero-media img{object-fit:cover;opacity:0;transition:opacity 1.6s ease;}
.photo-hero-media img.active{opacity:1;}
.photo-hero::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(to right, rgba(14,20,17,0.55) 0%, rgba(14,20,17,0.2) 55%, rgba(14,20,17,0) 80%),
    linear-gradient(to top, rgba(14,20,17,0.8) 0%, rgba(14,20,17,0.35) 45%, rgba(14,20,17,0.12) 70%, rgba(14,20,17,0.4) 100%);
}
.photo-hero .container{position:relative;z-index:1;width:100%;padding-top:calc(var(--header-h) + 48px);padding-bottom:clamp(48px,8vh,96px);}
.photo-hero h1{color:#fff;max-width:14em;margin-bottom:18px;}
.photo-hero .lede{color:rgba(255,255,255,0.88);max-width:34em;margin-bottom:30px;}
.photo-hero .crumbs,.photo-hero .crumbs a{color:rgba(255,255,255,0.8);}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;}
.hero-foot{
  display:flex;flex-wrap:wrap;gap:8px 36px;margin-top:48px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,0.25);font-size:0.95rem;color:rgba(255,255,255,0.85);
}
.hero-foot a{color:#fff;font-weight:600;text-decoration:none;}
.hero-foot a:hover{text-decoration:underline;}
.crumbs{font-size:0.92rem;color:var(--muted);margin-bottom:14px;}
.crumbs a{color:var(--muted);}

/* Home: recent work mosaic */
.mosaic{
  display:grid;gap:10px;
  grid-template-columns:repeat(4,1fr);
  grid-auto-rows:clamp(150px,17vw,230px);
}
.mosaic a{position:relative;display:block;overflow:hidden;border-radius:var(--radius);background:var(--sand-dk);color:#fff;text-decoration:none;}
.mosaic a:nth-child(1){grid-column:span 2;grid-row:span 2;}
.mosaic a:nth-child(4){grid-row:span 2;}
.mosaic a:nth-child(6){grid-column:span 2;}
.mosaic img{width:100%;height:100%;object-fit:cover;transition:transform 0.6s ease;}
.mosaic a:hover img{transform:scale(1.03);}
.mosaic span{
  position:absolute;left:0;right:0;bottom:0;padding:28px 14px 10px;font-size:0.9rem;line-height:1.3;
  background:linear-gradient(to top,rgba(14,20,17,0.7),rgba(14,20,17,0));
  opacity:0;transition:opacity 0.25s;
}
.mosaic a:hover span,.mosaic a:focus-visible span{opacity:1;}

/* Home: two divisions as full-bleed photo panels */
.panels{display:grid;grid-template-columns:1fr 1fr;}
.panel{
  position:relative;display:flex;align-items:flex-end;min-height:clamp(420px,70vh,680px);
  background:var(--green);color:#fff;text-decoration:none;overflow:hidden;
}
.panel + .panel{background:var(--green-dk);}
.panel img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform 0.8s ease;}
.panel:hover img{transform:scale(1.03);}
.panel::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(14,20,17,0.8) 0%,rgba(14,20,17,0.15) 60%);}
.panel-body{position:relative;z-index:1;padding:clamp(28px,4vw,56px);max-width:34em;}
.panel h2{color:#fff;margin-bottom:10px;}
.panel p{color:rgba(255,255,255,0.88);margin-bottom:16px;}
.panel .more{font-weight:600;border-bottom:1px solid rgba(255,255,255,0.6);padding-bottom:2px;}
.panel:hover .more{border-bottom-color:#fff;}

/* Home: about with offset photo pair */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(40px,6vw,88px);align-items:center;}
.about-grid p{max-width:34em;}
.photo-pair{position:relative;padding:0 0 18% 14%;}
.photo-pair img{border-radius:var(--radius);object-fit:cover;background:var(--sand-dk);}
.photo-pair img:first-child{width:100%;aspect-ratio:4/3;}
.photo-pair img:last-child{position:absolute;left:0;bottom:0;width:52%;aspect-ratio:1/1;border:8px solid #fff;}
.photo-pair img:only-child{position:static;width:100%;border:0;}

/* Home: scrolling photo strip */
.strip{display:flex;gap:10px;overflow-x:auto;scroll-snap-type:x mandatory;scroll-padding-left:max(24px,calc((100vw - var(--maxw)) / 2 + 24px));padding:0 24px 8px max(24px,calc((100vw - var(--maxw)) / 2 + 24px));scrollbar-width:thin;}
.strip a{flex:none;scroll-snap-align:start;height:clamp(220px,30vw,340px);border-radius:var(--radius);overflow:hidden;background:var(--sand-dk);}
.strip img{height:100%;width:auto;max-width:none;}

/* Services list */
.services{display:grid;grid-template-columns:repeat(3,1fr);gap:28px 40px;list-style:none;margin:0;padding:0;}
.services li{border-top:2px solid var(--green);padding-top:16px;}
.services h3{font-size:1.12rem;margin-bottom:6px;}
.services p{margin:0;color:var(--muted);font-size:0.98rem;}

/* Portfolio */
.project{padding:48px 0;border-top:1px solid var(--line);}
.project:first-child{border-top:0;padding-top:0;}
.project-head{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:4px 24px;margin-bottom:6px;}
.project-head h3{margin:0;font-size:1.45rem;}
.project-meta{color:var(--muted);font-size:0.95rem;}
.project-desc{max-width:44em;color:var(--text);margin-bottom:20px;}
.gallery{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:clamp(130px,15vw,210px);grid-auto-flow:dense;gap:10px;margin-top:18px;}
.gallery button{display:block;padding:0;border:0;background:var(--sand-dk);border-radius:var(--radius);overflow:hidden;cursor:zoom-in;}
.gallery button:first-child{grid-column:span 2;grid-row:span 2;}
.gallery img{width:100%;height:100%;object-fit:cover;transition:transform 0.5s ease;}
.gallery button:hover img{transform:scale(1.03);}
.gallery-empty{padding:40px;border:1px dashed #cfc8ba;border-radius:var(--radius);color:var(--muted);text-align:center;}

/* Lightbox */
.lightbox{border:0;padding:0;background:rgba(20,24,22,0.96);max-width:100vw;max-height:100vh;width:100vw;height:100vh;}
.lightbox::backdrop{background:rgba(20,24,22,0.94);}
.lightbox-inner{position:relative;width:100%;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:56px 72px 24px;}
.lightbox img{max-width:100%;max-height:calc(100vh - 140px);object-fit:contain;}
.lightbox-caption{color:#d9d6cf;font-size:0.95rem;margin-top:14px;text-align:center;}
.lightbox button{position:absolute;background:none;border:0;color:#fff;font:inherit;cursor:pointer;padding:12px;opacity:0.8;}
.lightbox button:hover{opacity:1;}
.lightbox .lb-close{top:10px;right:14px;font-size:1rem;}
.lightbox .lb-prev,.lightbox .lb-next{top:50%;transform:translateY(-50%);font-size:3rem;line-height:1;padding:12px 18px;}
.lightbox .lb-prev{left:8px;}
.lightbox .lb-next{right:8px;}

/* Contact */
.contact-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;}
.contact-card h3{font-size:1.1rem;margin-bottom:4px;}
.contact-card p{margin:0;color:var(--muted);}
.contact-card a{font-weight:600;text-decoration:none;}
.contact-card a:hover{text-decoration:underline;}

/* CTA band, with a photo behind it when one is available */
.cta-band{position:relative;background:var(--green);color:#e6ece9;padding:clamp(72px,10vw,128px) 0;overflow:hidden;}
.cta-band > img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
.cta-band::after{content:"";position:absolute;inset:0;background:rgba(18,34,28,0.72);}
.cta-band .container{position:relative;z-index:1;}
.cta-band h2{color:#fff;margin-bottom:8px;}
.cta-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;}
.cta-band p{margin:0;max-width:36em;}

/* Footer */
.site-footer{background:var(--green-dk);color:#b9c4bf;padding:56px 0 32px;font-size:0.95rem;}
.site-footer a{color:#fff;text-decoration:none;}
.site-footer a:hover{text-decoration:underline;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;margin-bottom:40px;}
.footer-grid h4{color:#fff;font-size:1rem;margin:0 0 10px;font-weight:600;}
.footer-grid p{margin:0 0 6px;}
.footer-brand{font-family:'Source Serif 4',Georgia,serif;font-size:1.3rem;color:#fff;margin-bottom:8px;}
.footer-bottom{border-top:1px solid rgba(255,255,255,0.12);padding-top:22px;}

/* Responsive */
@media (max-width:960px){
  .about-grid{grid-template-columns:1fr;}
  .services{grid-template-columns:1fr 1fr;}
  .contact-grid,.footer-grid{grid-template-columns:1fr 1fr;}
  .mosaic{grid-template-columns:repeat(2,1fr);grid-auto-rows:clamp(140px,34vw,240px);}
  .mosaic a:nth-child(4){grid-row:auto;}
  .gallery{grid-template-columns:repeat(2,1fr);grid-auto-rows:clamp(120px,30vw,220px);}
}
@media (max-width:760px){
  :root{--header-h:68px;}
  .brand-name{font-size:1.2rem;}
  .nav-toggle{display:block;}
  .site-nav{display:none;position:absolute;top:var(--header-h);left:0;right:0;background:#fff;border-bottom:1px solid var(--line);flex-direction:column;align-items:flex-start;gap:0;padding:8px 24px 16px;}
  .site-nav.open{display:flex;}
  .site-nav a,.site-header.overlay .site-nav a{padding:10px 0;width:100%;color:var(--text);}
  .panels,.services{grid-template-columns:1fr;}
  .panel{min-height:420px;}
  .photo-hero::after{background:linear-gradient(to top,rgba(14,20,17,0.85) 0%,rgba(14,20,17,0.55) 55%,rgba(14,20,17,0.45) 100%);}
  .panel::after{background:linear-gradient(to top,rgba(14,20,17,0.88) 0%,rgba(14,20,17,0.45) 70%,rgba(14,20,17,0.25) 100%);}
  .mosaic a:nth-child(6){grid-column:auto;}
  .mosaic span{opacity:1;}
  .lightbox-inner{padding:56px 8px 16px;}
  .lightbox .lb-prev,.lightbox .lb-next{top:auto;bottom:4px;transform:none;}
}
@media (max-width:520px){
  .contact-grid,.footer-grid{grid-template-columns:1fr;}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *{transition:none !important;}
}