/* WWW.CELTO.LV (SIA CELTO) — traditional Latvian palette: linen, carmine, rye gold and oak green,
   with a woven belt ornament (jostas raksts) instead of plain stripes. */
:root{
  --bg:#e9e1d1;--panel:#f4eee3;--panel2:#fbf8f1;--panel3:#ece4d5;--line:#d8ccb6;
  --text:#2b2520;--muted:#6d6257;--ink:#fbf8f1;
  --lv:#8c2a33;--lv2:#a33a43;--lv-white:#f4eee3;   /* carmine (karmīnsarkans) */
  --rye:#a8823a;--oak:#3f5a3a;--dark:#2b2520;--text2:#4a4037;--header:rgba(244,238,227,.96);
  /* woven belt band: carmine diamonds with oak-green chevrons on linen */
  --belt:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='28' height='18'%3E%3Crect width='28' height='18' fill='%23f4eee3'/%3E%3Crect width='28' height='2.5' fill='%238c2a33'/%3E%3Crect y='15.5' width='28' height='2.5' fill='%238c2a33'/%3E%3Cpath d='M14 4l5 5-5 5-5-5z' fill='%238c2a33'/%3E%3Cpath d='M14 7l2 2-2 2-2-2z' fill='%23f4eee3'/%3E%3Cpath d='M1 5l4 4-4 4M27 5l-4 4 4 4' fill='none' stroke='%233f5a3a' stroke-width='1.6'/%3E%3C/svg%3E");
  --max:1160px;--gut:44px;
  --sans:"Source Sans 3",system-ui,sans-serif;
}
/* dark theme: smoked wood and charcoal, same carmine a shade lighter for contrast */
:root[data-theme=dark]{
  --bg:#141210;--panel:#1d1a17;--panel2:#25211d;--panel3:#2f2a25;--line:#3f3730;
  --text:#ece4d5;--muted:#a99d8e;--text2:#d3c9b8;--header:rgba(29,26,23,.96);
  --lv:#b5444e;--lv2:#c4545e;--lv-white:#ece4d5;--oak:#4f6e48;--dark:#0f0d0b;
  --belt:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='28' height='18'%3E%3Crect width='28' height='18' fill='%231d1a17'/%3E%3Crect width='28' height='2.5' fill='%23b5444e'/%3E%3Crect y='15.5' width='28' height='2.5' fill='%23b5444e'/%3E%3Cpath d='M14 4l5 5-5 5-5-5z' fill='%23b5444e'/%3E%3Cpath d='M14 7l2 2-2 2-2-2z' fill='%231d1a17'/%3E%3Cpath d='M1 5l4 4-4 4M27 5l-4 4 4 4' fill='none' stroke='%236f8f66' stroke-width='1.6'/%3E%3C/svg%3E");
  color-scheme:dark;
}
:root[data-theme=dark] .house svg{filter:brightness(.88)}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:76px}
body{margin:0;font-family:var(--sans);color:var(--text);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%}
a{color:inherit}
button{font:inherit}
h1,h2,h3{font-family:var(--sans);font-weight:700;letter-spacing:-.005em}
:focus-visible{outline:2px solid var(--lv);outline-offset:3px}
.skip{position:absolute;left:-9999px;top:8px;z-index:100;background:var(--lv);color:var(--ink);padding:10px 14px;font-weight:700}
.skip:focus{left:8px}

.site{max-width:var(--max);margin:0 auto;background:var(--panel);border-left:1px solid var(--line);border-right:1px solid var(--line);box-shadow:0 0 60px rgba(60,40,20,.12)}
.pad{padding:0 var(--gut)}
.tape{height:18px;background:var(--belt) repeat-x left center}

/* header */
header{position:sticky;top:0;z-index:50;background:var(--header);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;gap:22px;height:68px;position:relative}
.logo{text-decoration:none;font-weight:700;font-size:22px;letter-spacing:.03em;display:flex;align-items:center;gap:10px;white-space:nowrap}
.logo svg{flex:none}
.logo b{color:var(--lv)}
nav{display:flex;gap:20px;margin-left:auto}
nav a{text-decoration:none;font-weight:600;font-size:15px;color:var(--text2);padding:6px 0;border-bottom:2px solid transparent}
nav a:hover,nav a.active{color:var(--lv);border-color:var(--lv)}
.langs{display:flex;border:1px solid var(--line)}
.langs button{background:none;border:0;color:var(--muted);font-weight:700;font-size:12.5px;padding:6px 8px;cursor:pointer;letter-spacing:.04em}
.langs button[aria-pressed=true]{background:var(--lv);color:var(--ink)}
.langs button:hover{color:var(--text)}
.langs button[aria-pressed=true]:hover{color:var(--ink)}
.theme{flex:none;width:34px;height:30px;display:grid;place-items:center;background:none;border:1px solid var(--line);color:var(--text2);cursor:pointer;padding:0;margin-left:-12px}
.theme:hover{border-color:var(--lv);color:var(--lv)}
.theme svg{width:17px;height:17px}
.theme .sun{display:none}
:root[data-theme=dark] .theme .sun{display:block}
:root[data-theme=dark] .theme .moon{display:none}
.call{white-space:nowrap;text-decoration:none;font-weight:700;background:var(--lv);color:var(--ink);padding:9px 14px}
.call:hover{background:var(--lv2)}
.burger{display:none;width:46px;height:42px;background:none;border:2px solid var(--lv);color:var(--lv);font-size:20px;cursor:pointer}

/* top: headline + interactive house */
.top{padding:48px 0 60px}
.top-head{display:grid;grid-template-columns:1.1fr 1fr;gap:36px;align-items:end;margin-bottom:40px}
.sign{display:inline-block;border:1px solid var(--lv);color:var(--lv);font-weight:700;letter-spacing:.12em;padding:4px 12px;font-size:13px}
h1{font-size:clamp(30px,3.6vw,44px);line-height:1.12;margin:14px 0 0}
h1 span{color:var(--lv)}
.top-text{font-size:17.5px;color:var(--text2);margin:0 0 18px}
.btn{display:inline-block;padding:13px 22px;text-decoration:none;font-weight:700;font-size:16px;letter-spacing:.02em;border:2px solid var(--lv);margin:0 8px 8px 0;cursor:pointer;background:none;color:var(--lv);transition:transform .15s,background .15s,color .15s}
.btn.fill{background:var(--lv);color:var(--ink)}
.btn:hover{transform:translateY(-2px)}
.btn.fill:hover{background:var(--lv2)}

/* sections */
section{padding:84px 0}
.sec-no{display:inline-flex;align-items:center;gap:10px;font-weight:700;color:var(--lv);font-size:13.5px;letter-spacing:.16em}
.sec-no::before{content:"";width:10px;height:10px;background:var(--lv);transform:rotate(45deg)}
h2{font-size:clamp(26px,2.8vw,34px);line-height:1.15;margin:8px 0 12px}
.lead{color:var(--muted);max-width:660px;margin:0 0 34px;font-size:17px}

/* services */
.svc-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}
.svc{grid-column:span 2;background:var(--panel2);border:1px solid var(--line);display:flex;flex-direction:column;transition:border-color .2s,transform .2s}
.svc:nth-child(4),.svc:nth-child(5){grid-column:span 3}
.svc:hover{border-color:var(--lv);transform:translateY(-3px)}
.svc-img{position:relative;aspect-ratio:16/9;overflow:hidden}
.svc-img img{width:100%;height:100%;object-fit:cover;filter:saturate(.85) sepia(.08);transition:transform .5s}
.svc:hover .svc-img img{transform:scale(1.05)}
.svc-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1}
.svc h3{font-size:19px;margin:0 0 6px;line-height:1.25}
.svc p{margin:0 0 14px;color:var(--muted);font-size:15.5px}
.svc details{margin-top:auto}
.svc summary{cursor:pointer;color:var(--lv);font-weight:700;font-size:15px;list-style:none}
.svc summary::-webkit-details-marker{display:none}
.svc summary::after{content:" ↓"}
.svc details[open] summary::after{content:" ↑"}
.svc summary:hover{text-decoration:underline}
.svc ul{list-style:none;margin:12px 0 0;padding:0}
.svc li{padding:6px 0 6px 18px;border-top:1px solid var(--line);font-size:15px;position:relative}
.svc li::before{content:"";position:absolute;left:2px;top:14px;width:6px;height:6px;background:var(--lv);transform:rotate(45deg)}
.svc .note{font-size:13px;margin:8px 0 0}

/* process */
.stages{display:grid;grid-template-columns:repeat(6,1fr);gap:2px;background:var(--line);border:2px solid var(--line)}
.stage{background:var(--panel2);display:flex;flex-direction:column}
.stage button{all:unset;cursor:zoom-in;display:block;position:relative;aspect-ratio:1;overflow:hidden}
.stage button:focus-visible{outline:2px solid var(--lv);outline-offset:-2px}
.stage img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.stage button:hover img{transform:scale(1.06)}
.stage div{padding:14px 14px 18px}
.stage h3{font-size:16px;margin:0 0 4px;line-height:1.2}
.stage p{margin:0;color:var(--muted);font-size:14px;line-height:1.5}

/* interactive house */
.house-head{display:flex;justify-content:space-between;align-items:end;gap:24px;flex-wrap:wrap;margin-bottom:16px}
.house-head h2{margin:6px 0 0;font-size:clamp(22px,2.4vw,28px)}
.house-head p{margin:0;color:var(--muted);max-width:460px;font-size:15.5px}
.house-wrap{display:grid;grid-template-columns:1.55fr 1fr;border:2px solid var(--line);background:var(--panel2)}
.house{position:relative;background:#cfdadb}
.house svg{display:block;width:100%;height:auto}
.part{transition:opacity .45s,filter .3s}
.house.ghosting .part.future{opacity:.12}
.part.hl{filter:drop-shadow(0 0 2px #fff) drop-shadow(0 0 8px rgba(140,42,51,.85))}
.spot{position:absolute;transform:translate(-50%,-50%);width:30px;height:30px;border-radius:50%;border:2px solid var(--ink);background:var(--lv);color:var(--ink);cursor:pointer;padding:0;font-weight:700;font-size:15px;line-height:1;box-shadow:0 0 0 0 rgba(140,42,51,.6);animation:pulse 2.6s infinite}
.spot::before{content:"";position:absolute;inset:-9px}
.spot[aria-pressed=true]{background:var(--ink);color:var(--lv);border-color:var(--lv);animation:none;box-shadow:0 0 0 6px rgba(140,42,51,.35)}
.spot.hide{display:none}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(140,42,51,.55)}70%{box-shadow:0 0 0 12px rgba(140,42,51,0)}100%{box-shadow:0 0 0 0 rgba(140,42,51,0)}}
.house-info{padding:24px 26px;border-left:2px solid var(--line);display:flex;flex-direction:column}
.house-info .phase{display:inline-block;align-self:flex-start;background:var(--oak);color:var(--ink);font-size:12.5px;font-weight:700;letter-spacing:.05em;padding:4px 10px}
.house-info h3{font-size:22px;margin:10px 0 8px;line-height:1.2;display:flex;align-items:center;gap:10px}
.house-info h3 i{flex:none;font-style:normal;display:grid;place-items:center;width:30px;height:30px;border-radius:50%;background:var(--lv);color:var(--ink);font-size:15px}
.house-info .desc{margin:0 0 14px;font-size:16px;color:var(--text2)}
.house-info small{color:var(--lv);font-size:12.5px;font-weight:700;text-transform:uppercase;letter-spacing:.1em}
.house-info ul{list-style:none;margin:6px 0 0;padding:0}
.house-info li{padding:7px 0 7px 20px;border-top:1px solid var(--line);position:relative;font-size:15.5px}
.house-info li::before{content:"";position:absolute;left:2px;top:15px;width:7px;height:7px;background:var(--lv);transform:rotate(45deg)}
.house-info li button{all:unset;cursor:pointer;color:var(--lv);font-weight:600;text-decoration:underline;text-underline-offset:3px}
.house-info .step-nav{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;padding-top:18px}
.house-info .step-nav span{color:var(--muted);font-size:14px}
.house-info .step-nav button{background:none;border:1px solid var(--line);color:var(--text);padding:8px 12px;cursor:pointer;font-weight:600;font-size:14px}
.house-info .step-nav button:hover{border-color:var(--lv);color:var(--lv)}
.house-info .guide h3{font-size:20px;margin:0 0 12px}
.house-info .guide ol{margin:0 0 18px;padding:0;list-style:none;counter-reset:g}
.house-info .guide ol li{counter-increment:g;padding:8px 0 8px 40px;font-size:15.5px}
.house-info .guide ol li::before{content:counter(g);top:7px;left:0;width:28px;height:28px;border-radius:50%;transform:none;background:var(--panel3);color:var(--lv);font-weight:700;display:grid;place-items:center;font-size:14px}
.house-info .guide .btn{align-self:flex-start;margin:0}

.part-chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px}
.part-chips button{background:var(--panel2);color:var(--text2);border:1px solid var(--line);padding:7px 12px;cursor:pointer;font-weight:600;font-size:14.5px}
.part-chips button b{color:var(--lv);margin-right:6px}
.part-chips button:hover{border-color:var(--lv)}
.part-chips button[aria-pressed=true]{background:var(--lv);color:var(--ink);border-color:var(--lv)}
.part-chips button[aria-pressed=true] b{color:var(--ink)}
.timeline{margin-top:30px}
.tl-head{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;margin-bottom:14px}
.tl-head h3{font-size:20px;margin:0}
.tl-head .btn{margin:0 0 0 8px;font-size:15px;padding:9px 16px}
.tl{list-style:none;margin:0;padding:0;display:flex;gap:3px}
.tl li{min-width:96px}
.tl button{all:unset;box-sizing:border-box;cursor:pointer;display:block;width:100%;padding:0 0 10px}
.tl .bar{display:block;height:12px;background:var(--panel3);border:1px solid var(--line);transition:background .3s}
.tl .done .bar{background:color-mix(in srgb,var(--lv) 35%,var(--panel));border-color:transparent}
.tl .now .bar{background:var(--lv);border-color:var(--lv)}
.tl b{display:block;font-size:15px;margin-top:8px;line-height:1.2;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tl span{display:block;font-size:13px;color:var(--muted)}
.tl .now b{color:var(--lv)}
.tl button:hover .bar{border-color:var(--lv)}
.tl button:focus-visible{outline:2px solid var(--lv);outline-offset:2px}
.tl-note{color:var(--muted);font-size:14px;margin:6px 0 0}

/* gallery */
.chips{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:14px}
.chips button{background:var(--panel2);color:var(--text2);border:1px solid var(--line);padding:8px 14px;cursor:pointer;font-weight:600;font-size:15px}
.chips button:hover{border-color:var(--lv)}
.chips button[aria-pressed=true]{background:var(--lv);color:var(--ink);border-color:var(--lv)}
.chips small{opacity:.7;font-weight:500;margin-left:4px}
.viewer{position:relative;background:var(--dark);aspect-ratio:16/9;overflow:hidden;border:2px solid var(--line)}
.viewer .bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:blur(26px) brightness(.45);transform:scale(1.15)}
.viewer .main{all:unset;cursor:zoom-in;display:block;position:relative;width:100%;height:100%}
.viewer .main img{width:100%;height:100%;object-fit:contain}
.viewer .cap{position:absolute;left:0;bottom:0;background:var(--lv);color:var(--ink);font-weight:600;padding:8px 14px;max-width:calc(100% - 20px)}
.viewer .nav{position:absolute;top:50%;transform:translateY(-50%);width:50px;height:64px;background:rgba(43,37,32,.6);color:var(--ink);border:0;font-size:32px;cursor:pointer;line-height:1}
.viewer .nav:hover{background:var(--lv)}
.viewer .p{left:0}.viewer .n{right:0}
.viewer .full{position:absolute;right:10px;top:10px;background:rgba(43,37,32,.6);color:#fff;font-size:13px;padding:6px 10px;pointer-events:none}
.thumbs{display:flex;gap:6px;overflow-x:auto;padding:8px 0 4px;scrollbar-color:var(--lv) var(--panel3)}
.thumbs button{flex:none;width:112px;height:76px;padding:0;border:2px solid transparent;background:var(--dark);cursor:pointer;opacity:.6;transition:opacity .2s}
.thumbs button:hover{opacity:.9}
.thumbs button[aria-current=true]{border-color:var(--lv);opacity:1}
.thumbs img{width:100%;height:100%;object-fit:cover}

/* about */
.about{display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center}
.about p{color:var(--text2);font-size:17px}
.about figure{margin:0;position:relative}
.about figure img{width:100%;aspect-ratio:4/5;object-fit:cover;border:6px solid var(--panel2);box-shadow:0 0 0 1px var(--line)}
.about figure::after{content:"";position:absolute;right:-12px;bottom:-12px;width:60%;height:18px;background:var(--belt) repeat-x}
.values{display:grid;grid-template-columns:1fr 1fr;gap:2px;background:var(--line);border:2px solid var(--line);margin-top:26px}
.values div{background:var(--panel2);padding:16px 18px}
.values b{display:block;font-size:17px;color:var(--lv)}
.values span{font-size:15px;color:var(--muted)}

/* contacts */
.contacts{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.person{display:flex;gap:20px;align-items:center;background:var(--panel2);border:1px solid var(--line);border-left:6px solid var(--lv);padding:22px}
.avatar{flex:none;width:96px;height:96px;background:var(--panel3);border:1px solid var(--line);display:grid;place-items:center}
.person small{color:var(--oak);font-weight:700;text-transform:uppercase;font-size:12.5px;letter-spacing:.06em}
.person h3{font-size:21px;margin:2px 0 8px}
.person a{display:block;text-decoration:none;font-weight:700;font-size:17px}
.person a+a{font-weight:400;font-size:15.5px;color:var(--muted)}
.person a:hover{color:var(--lv)}

/* footer */
footer{background:var(--dark);padding:44px 0 26px;font-size:15px;color:#c9bfae}
footer .logo{color:#f4eee3}
.foot{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:30px}
.foot h4{color:#f4eee3;margin:0 0 10px;font-size:16px}
.foot a{display:block;text-decoration:none;padding:2px 0}
.foot a:hover{color:#d9b56a}
.foot p{margin:12px 0 0;max-width:340px}
.foot-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;border-top:1px solid #4a4037;margin-top:30px;padding-top:18px;font-size:14px}
.foot-bottom a{text-decoration:none}

.mobile-bar{display:none}

/* lightbox */
.lb{position:fixed;inset:0;z-index:1000;background:rgba(25,20,16,.96);display:none;align-items:center;justify-content:center;padding:60px 76px}
.lb.open{display:flex}
.lb img{max-width:100%;max-height:100%;object-fit:contain}
.lb button{position:absolute;background:rgba(255,255,255,.1);color:#fff;border:0;width:52px;height:52px;font-size:30px;line-height:1;cursor:pointer}
.lb button:hover{background:var(--lv)}
.lb .c{top:12px;right:12px}
.lb .p{left:12px;top:50%;transform:translateY(-50%)}
.lb .n{right:12px;top:50%;transform:translateY(-50%)}
.lb p{position:absolute;bottom:12px;left:0;right:0;text-align:center;margin:0;color:#ddd;font-size:15px}
.lb p b{color:#d9b56a}

@media (max-width:1100px){
  nav{gap:14px}
  nav a{font-size:14px}
  .call{display:none}
}
@media (max-width:960px){
  :root{--gut:18px}
  .site{border:0}
  nav{display:none;position:absolute;top:68px;left:calc(-1*var(--gut));right:calc(-1*var(--gut));flex-direction:column;gap:0;background:var(--panel);border-bottom:2px solid var(--lv);padding:4px var(--gut) 14px}
  nav.open{display:flex}
  nav a{padding:14px 0;border-bottom:1px solid var(--line);font-size:16px}
  .bar{gap:10px}
  .theme{margin-left:0}
  .langs{margin-left:auto}
  .burger{display:block}
  .top{padding:26px 0 44px}
  .top-head{grid-template-columns:1fr;gap:14px;margin-bottom:28px}
  .top-text{font-size:16px;margin:0}
  .top-head .btn{display:none}
  .house-wrap{border-left:0;border-right:0;margin:0 calc(-1*var(--gut))}
  .logo{font-size:19px;gap:8px}
  .part-chips{flex-wrap:nowrap;overflow-x:auto;margin:10px calc(-1*var(--gut)) 0;padding:0 var(--gut) 4px}
  .part-chips button{flex:none}
  section{padding:58px 0}
  .house-wrap{grid-template-columns:1fr}
  .house-info{border-left:0;border-top:2px solid var(--line);padding:20px 16px}
  .spot{width:26px;height:26px;font-size:13px}
  .tl{flex-direction:column;gap:6px}
  .tl li{flex:none!important}
  .tl button{display:grid;grid-template-columns:14px 1fr auto;gap:10px;align-items:center;padding:6px 0}
  .tl .bar{height:14px;width:14px}
  .tl b{margin:0;white-space:normal}
  .tl-head .btn{margin:8px 8px 0 0}
  .svc-grid{grid-template-columns:1fr}
  .svc,.svc:nth-child(4),.svc:nth-child(5){grid-column:auto}
  .stages{grid-template-columns:repeat(6,72%);overflow-x:auto;scroll-snap-type:x mandatory;border-right:0}
  .stage{scroll-snap-align:start}
  .viewer{aspect-ratio:4/3}
  .viewer .nav{width:42px;height:56px}
  .thumbs button{width:84px;height:58px}
  .about{grid-template-columns:1fr;gap:30px}
  .about figure img{aspect-ratio:4/3}
  .contacts{grid-template-columns:1fr}
  .person{padding:18px}
  .avatar{width:72px;height:72px}
  .foot{grid-template-columns:1fr;gap:22px}
  footer{padding-bottom:90px}
  .mobile-bar{display:flex;gap:8px;position:fixed;left:0;right:0;bottom:0;z-index:60;padding:10px 12px;background:var(--panel);border-top:2px solid var(--lv)}
  .mobile-bar .btn{flex:1;text-align:center;margin:0;padding:12px}
  .lb{padding:60px 6px}
}
@media (max-width:420px){
  .logo{font-size:17px}
  .logo svg{width:26px;height:26px}
  .langs button{padding:6px 6px}
  .values{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition:none!important}
  .spot{animation:none}
}