/* Layout: architectural drawing sheet — roofline elevation as hero, projects as a title-block schedule */
:root{
  --paper:#eef1f0; --sheet:#f8faf9; --ink:#17232b; --muted:#56656d; --line:#c9d2d3;
  --patina:#2f6f62; --patina-soft:#d7e6e1; --glow:#e7b45a;
  --f-display:"Archivo","Arial Narrow",system-ui,sans-serif;
  --f-body:"Public Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  --f-mono:"IBM Plex Mono",ui-monospace,Menlo,Consolas,monospace;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --paper:#0f171c; --sheet:#152027; --ink:#e4ebec; --muted:#9aaab0; --line:#2b3a42;
  --patina:#6fb7a5; --patina-soft:#1d3530; --glow:#f0c26e; color-scheme:dark}}
:root[data-theme="dark"]{
  --paper:#0f171c; --sheet:#152027; --ink:#e4ebec; --muted:#9aaab0; --line:#2b3a42;
  --patina:#6fb7a5; --patina-soft:#1d3530; --glow:#f0c26e; color-scheme:dark}

*{box-sizing:border-box}
body{background:var(--paper);color:var(--ink);font:400 1rem/1.6 var(--f-body);-webkit-font-smoothing:antialiased}
a{color:inherit}
:focus-visible{outline:2px solid var(--patina);outline-offset:3px;border-radius:2px}
.wrap{max-width:72rem;margin-inline:auto;padding-inline:clamp(1rem,4vw,2.5rem)}
.mono{font-family:var(--f-mono);font-size:.8rem;letter-spacing:.04em}
.eyebrow{font-family:var(--f-mono);font-size:.75rem;text-transform:uppercase;letter-spacing:.14em;color:var(--patina)}
h1,h2,h3{font-family:var(--f-display);text-wrap:balance;margin:0;line-height:1.05}
h2{font-size:clamp(1.8rem,4vw,2.8rem);font-weight:700;font-stretch:112%;letter-spacing:-.01em}
h3{font-size:1.2rem;font-weight:700;font-stretch:112%}
p{margin:0}

/* header */
header{position:sticky;top:env(safe-area-inset-top,0px);z-index:10;background:color-mix(in srgb,var(--paper) 88%,transparent);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;gap:1.5rem;min-height:4rem}
.logo{font-family:var(--f-display);font-weight:800;font-stretch:125%;text-decoration:none;letter-spacing:.02em;font-size:1.05rem;white-space:nowrap}
.logo span{color:var(--patina)}
nav{display:flex;gap:1.4rem;margin-left:auto}
nav a{text-decoration:none;font-weight:500;font-size:.92rem;color:var(--muted)}
nav a:hover{color:var(--ink)}
.lang{display:flex;border:1px solid var(--line);border-radius:999px;overflow:hidden}
.lang button{font:500 .75rem var(--f-mono);background:none;border:0;color:var(--muted);padding:.35rem .7rem;cursor:pointer}
.lang button[aria-pressed="true"]{background:var(--ink);color:var(--paper)}
@media (max-width:760px){nav{display:none}.lang{margin-left:auto}}

/* hero */
.hero{padding-block:clamp(3rem,8vw,6rem) 0}
.hero h1{font-size:clamp(2.4rem,7vw,5.2rem);font-weight:800;font-stretch:125%;letter-spacing:-.02em;max-width:14ch;margin-block:1rem 1.5rem}
.hero h1 em{font-style:normal;color:var(--patina)}
.lead{font-size:clamp(1.05rem,1.6vw,1.2rem);color:var(--muted);max-width:56ch}
.ctas{display:flex;flex-wrap:wrap;gap:.75rem;margin-top:2rem}
.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.85rem 1.4rem;font-weight:600;text-decoration:none;border-radius:2px;border:1.5px solid var(--ink);transition:background .15s,color .15s}
.btn.primary{background:var(--ink);color:var(--paper)}
.btn.primary:hover{background:var(--patina);border-color:var(--patina)}
.btn.ghost:hover{background:var(--ink);color:var(--paper)}
.skyline{display:block;width:100%;height:auto;margin-top:clamp(2.5rem,6vw,4rem)}
.skyline .b{fill:var(--sheet);stroke:var(--ink);stroke-width:1.2}
.skyline .r{fill:var(--line);stroke:var(--ink);stroke-width:1.2}
.skyline .new{fill:var(--patina-soft);stroke:var(--patina);stroke-width:2}
.skyline .w{fill:var(--line)}
.skyline .lit{fill:var(--glow)}
.skyline .ground{stroke:var(--ink);stroke-width:1.5}
.skyline .tag{font:500 11px var(--f-mono);fill:var(--patina);letter-spacing:.05em}
.skyline .dim{stroke:var(--patina);stroke-width:1}

/* stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);border-block:1px solid var(--ink)}
.stat{padding:1.4rem 1rem 1.4rem 0;display:grid;gap:.2rem}
.stat+.stat{border-left:1px solid var(--line);padding-left:1.2rem}
.stat b{font-family:var(--f-display);font-weight:800;font-stretch:125%;font-size:clamp(2rem,4vw,2.8rem);line-height:1;font-variant-numeric:tabular-nums}
.stat span{color:var(--muted);font-size:.9rem}
@media (max-width:640px){.stats{grid-template-columns:1fr 1fr}.stat:nth-child(3){border-left:0;padding-left:0}.stat:nth-child(n+3){border-top:1px solid var(--line)}}

section{padding-block:clamp(4rem,9vw,7rem)}
.head{display:grid;gap:.8rem;margin-bottom:2.5rem;max-width:44rem}
.head p{color:var(--muted)}

/* services */
.services{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.svc{background:var(--sheet);padding:1.8rem;display:grid;gap:.6rem;align-content:start}
.svc .code{font-family:var(--f-mono);font-size:.72rem;color:var(--patina);letter-spacing:.1em}
.svc p{color:var(--muted)}
.svc.main{grid-column:1/-1;background:var(--ink);color:var(--paper)}
.svc.main p{color:color-mix(in srgb,var(--paper) 75%,transparent);max-width:60ch}
.svc.main .code{color:var(--glow)}
.svc.main h3{font-size:1.6rem}
@media (max-width:760px){.services{grid-template-columns:1fr}}

/* gallery */
.gallery{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));grid-auto-rows:13rem;grid-auto-flow:dense;gap:.75rem}
.gallery figure{margin:0;position:relative;overflow:hidden;background:var(--line);border-radius:2px}
.gallery img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s}
.gallery figure:hover img{transform:scale(1.03)}
.gallery figcaption{position:absolute;left:0;bottom:0;padding:.35rem .6rem;font:500 .72rem var(--f-mono);letter-spacing:.04em;background:var(--ink);color:var(--paper)}
.g-wide{grid-column:span 2;grid-row:span 2}
.g-tall{grid-row:span 2}
@media (max-width:760px){.gallery{grid-template-columns:repeat(2,minmax(0,1fr));grid-auto-rows:10rem}}

/* projects */
#kohteet{background:var(--sheet);border-block:1px solid var(--line)}
.schedule{border-top:2px solid var(--ink)}
.proj{display:grid;grid-template-columns:5rem minmax(0,1.3fr) minmax(0,2fr);gap:1.5rem;padding-block:1.8rem;border-bottom:1px solid var(--line);align-items:start}
.proj .yr{font-family:var(--f-mono);font-size:1rem;font-weight:500;color:var(--patina);font-variant-numeric:tabular-nums}
.proj h3{font-size:clamp(1.4rem,3vw,2rem);font-stretch:125%;font-weight:800}
.proj .dist{color:var(--muted);font-size:.9rem;margin-top:.3rem}
.proj .desc{color:var(--muted)}
.specs{display:flex;flex-wrap:wrap;gap:.5rem 1.6rem;margin-top:.8rem}
.specs div{display:grid}
.specs dt{font-family:var(--f-mono);font-size:.68rem;text-transform:uppercase;letter-spacing:.12em;color:var(--muted)}
.specs dd{margin:0;font-weight:600;font-variant-numeric:tabular-nums}
.pill{display:inline-block;font:500 .68rem var(--f-mono);text-transform:uppercase;letter-spacing:.1em;padding:.2rem .55rem;border-radius:999px;background:var(--patina-soft);color:var(--patina);margin-left:.5rem;vertical-align:middle}
@media (max-width:760px){.proj{grid-template-columns:1fr;gap:.5rem}}

/* process */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem;counter-reset:s}
.step{border-top:2px solid var(--ink);padding-top:1rem;display:grid;gap:.5rem;align-content:start}
.step::before{counter-increment:s;content:"0" counter(s);font-family:var(--f-mono);color:var(--patina);font-size:.85rem}
.step p{color:var(--muted);font-size:.95rem}
@media (max-width:860px){.steps{grid-template-columns:1fr 1fr}}
@media (max-width:480px){.steps{grid-template-columns:1fr}}

/* about */
.about{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(2rem,5vw,4rem);align-items:start}
.about .body{display:grid;gap:1rem;color:var(--muted);font-size:1.05rem}
.checks{list-style:none;padding:0;margin:0;display:grid;gap:0;border-top:1px solid var(--line)}
.checks li{padding:.9rem 0;border-bottom:1px solid var(--line);display:flex;gap:.8rem}
.checks li::before{content:"";flex:none;width:.6rem;height:.6rem;margin-top:.5rem;background:var(--patina);transform:rotate(45deg)}
@media (max-width:760px){.about{grid-template-columns:1fr}}

/* contact */
#yhteystiedot{background:var(--ink);color:var(--paper)}
#yhteystiedot .eyebrow{color:var(--glow)}
#yhteystiedot .head p{color:color-mix(in srgb,var(--paper) 72%,transparent)}
.contact{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:color-mix(in srgb,var(--paper) 18%,transparent);border:1px solid color-mix(in srgb,var(--paper) 18%,transparent)}
.cbox{background:var(--ink);padding:1.6rem;display:grid;gap:.5rem;min-width:0}
.cbox .mono{color:color-mix(in srgb,var(--paper) 60%,transparent);text-transform:uppercase;letter-spacing:.12em;font-size:.7rem}
.cbox .val{font-family:var(--f-display);font-weight:700;font-stretch:112%;font-size:clamp(1.1rem,2.2vw,1.45rem);overflow-wrap:anywhere;user-select:all}
.copy{justify-self:start;font:500 .75rem var(--f-mono);background:none;color:var(--paper);border:1px solid color-mix(in srgb,var(--paper) 35%,transparent);padding:.35rem .7rem;border-radius:2px;cursor:pointer}
.copy:hover{background:var(--paper);color:var(--ink)}
@media (max-width:760px){.contact{grid-template-columns:1fr}}

footer{padding-block:2rem;font-size:.85rem;color:var(--muted)}
footer .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:1rem}

[data-en]{display:none}
html[lang="en"] [data-en]{display:revert}
html[lang="en"] [data-fi]{display:none}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}

/* multi-page additions */
nav a[aria-current="page"]{color:var(--ink);box-shadow:inset 0 -2px 0 var(--patina)}
.menu-btn{display:none;font:500 .8rem var(--f-mono);background:none;border:1px solid var(--line);color:var(--ink);padding:.4rem .7rem;border-radius:2px;cursor:pointer}
@media (max-width:760px){
  .menu-btn{display:inline-block}
  .lang{margin-left:auto}
  nav{position:absolute;left:0;right:0;top:100%;flex-direction:column;gap:0;background:var(--paper);border-bottom:1px solid var(--line);padding-inline:clamp(1rem,4vw,2.5rem)}
  nav a{padding:.9rem 0;border-top:1px solid var(--line)}
  header.open nav{display:flex}
}
.page-hero{padding-block:clamp(3rem,7vw,5rem) clamp(2rem,4vw,3rem);border-bottom:1px solid var(--line)}
.page-hero h1{font-size:clamp(2.2rem,6vw,4rem);font-weight:800;font-stretch:125%;letter-spacing:-.02em;margin-block:.8rem 1rem;max-width:18ch}
.more{display:inline-flex;gap:.4rem;margin-top:1.5rem;font-weight:600;text-decoration:none;border-bottom:1.5px solid var(--patina);padding-bottom:.15rem}
.more:hover{color:var(--patina)}
.svc-link{text-decoration:none;color:inherit;transition:background .15s}
.svc-link:hover{background:var(--patina-soft)}
.cta-band{background:var(--patina);color:#fff}
.cta-band .wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:1.5rem;padding-block:clamp(2.5rem,6vw,4rem)}
.cta-band h2{color:#fff;max-width:22ch}
.cta-band .btn{border-color:#fff;background:#fff;color:#17232b}
.cta-band .btn:hover{background:transparent;color:#fff}
.svc-detail{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,2fr);gap:clamp(1.5rem,4vw,3rem);padding-block:2.2rem;border-top:1px solid var(--line)}
.svc-detail:first-child{border-top:2px solid var(--ink)}
.svc-detail .code{font-family:var(--f-mono);font-size:.75rem;color:var(--patina);letter-spacing:.1em}
.svc-detail h2{font-size:clamp(1.5rem,3vw,2.1rem);margin-top:.4rem}
.svc-detail .txt{display:grid;gap:.8rem;color:var(--muted)}
.svc-detail ul{margin:0;padding-left:1.1rem;display:grid;gap:.3rem}
@media (max-width:760px){.svc-detail{grid-template-columns:1fr}}
.proj-photos{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:.5rem;margin-top:1rem}
.proj-photos .ph{aspect-ratio:4/3;max-width:100%;border:1px dashed var(--line);display:grid;place-items:center;font:500 .7rem var(--f-mono);color:var(--muted);text-transform:uppercase;letter-spacing:.1em}
.area{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:1.5rem}
.area span{font:500 .78rem var(--f-mono);border:1px solid color-mix(in srgb,var(--paper) 35%,transparent);padding:.35rem .7rem;border-radius:999px}
.hero-photo{margin:clamp(2.5rem,6vw,4rem) 0 0;position:relative;max-width:100%}
.hero-photo img{width:100%;aspect-ratio:21/9;object-fit:cover;display:block;border-radius:2px}
.hero-photo figcaption{position:absolute;left:0;bottom:0;padding:.4rem .7rem;font:500 .72rem var(--f-mono);letter-spacing:.04em;background:var(--ink);color:var(--paper)}
@media (max-width:640px){.hero-photo img{aspect-ratio:4/3}}

.proj-gallery{padding-block:0 2.5rem;border-bottom:1px solid var(--line)}
.proj-gallery .gallery{grid-auto-rows:11rem}
@media (max-width:760px){.proj-gallery .gallery{grid-auto-rows:9rem}}
.ig-icon{width:1.1em;height:1.1em;flex:none}
.ig-link{display:inline-flex;align-items:center;gap:.4rem;text-decoration:none;font-weight:600;color:var(--ink)}
.ig-link:hover{color:var(--patina)}
.ig-band{padding-block:clamp(3rem,6vw,4.5rem);border-top:1px solid var(--line)}
.ig-band .wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:1.5rem}
.ig-band .wrap>div{display:grid;gap:.6rem;max-width:40rem}
.ig-band p:not(.eyebrow){color:var(--muted)}
.contact{grid-template-columns:repeat(auto-fit,minmax(min(100%,15rem),1fr))}
.ig-top{display:inline-grid;place-items:center;width:2.1rem;height:2.1rem;border:1px solid var(--line);border-radius:999px;color:var(--muted);text-decoration:none;flex:none}
.ig-top:hover{color:var(--patina);border-color:var(--patina)}
.ig-top .ig-icon{width:1.05rem;height:1.05rem}
@media (max-width:760px){.ig-top{margin-left:auto}.ig-top + .lang{margin-left:0}}

/* mobile header fit */
html,body{overflow-x:clip}
.lang,.menu-btn,.ig-top,.logo{flex:none}
@media (max-width:760px){
  .bar{gap:.55rem}
  .logo{font-size:.76rem;letter-spacing:0;font-stretch:112%}
  .ig-top{width:1.9rem;height:1.9rem}
  .lang button{padding:.3rem .5rem}
  .menu-btn{font-size:0;width:2.1rem;height:2.1rem;padding:0;display:inline-grid;place-items:center;border-radius:2px}
  .menu-btn::before{content:"☰";font-size:1.05rem;line-height:1}
}
@media (max-width:400px){
  .logo{font-size:.7rem}
  .bar{gap:.4rem}
}