/* Layout: steel-frame grid — a wide header strip, then full-width bands with one inner column; projects as a dated ledger. */
:root{
  --bg:#f5f6f7; --surface:#ffffff; --fg:#14202b; --muted:#56636f; --line:#d9dee3;
  --accent:#363a6b; --accent-fg:#ffffff; --signal:#e0a100; --dark:#0f1a24; --dark-fg:#e9eef3; --dark-muted:#9aa9b6;
  --ph:#e6eaee; --tile:#ffffff;
  --f-display:"Archivo","Arial Narrow",Arial,sans-serif;
  --f-body:"IBM Plex Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  --f-mono:"IBM Plex Mono",ui-monospace,Menlo,Consolas,monospace;
  --max:1160px;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg:#0e151c; --surface:#151f29; --fg:#e6ecf1; --muted:#9aa8b4; --line:#26333f;
  --accent:#9ea6e8; --accent-fg:#0b1520; --signal:#f0b72e; --dark:#0a1016; --dark-fg:#e6ecf1; --dark-muted:#8e9daa; --ph:#1b2732; color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#0e151c; --surface:#151f29; --fg:#e6ecf1; --muted:#9aa8b4; --line:#26333f;
  --accent:#9ea6e8; --accent-fg:#0b1520; --signal:#f0b72e; --dark:#0a1016; --dark-fg:#e6ecf1; --dark-muted:#8e9daa; --ph:#1b2732; color-scheme:dark}

*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:80px}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.6 var(--f-body);-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit}
:focus-visible{outline:3px solid var(--signal);outline-offset:2px}
.wrap{max-width:var(--max);margin:0 auto;padding-left:max(20px,env(safe-area-inset-left,0px));padding-right:max(20px,env(safe-area-inset-right,0px))}
h1,h2,h3{font-family:var(--f-display);text-wrap:balance;margin:0;letter-spacing:-.01em}

body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:30;background:var(--surface)}
.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:var(--surface);border-bottom:1px solid var(--line)}
.top-in{display:flex;align-items:center;gap:24px;height:72px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none}
.logo{height:44px;width:auto;display:block}
.logo-on-dark{display:none}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]) .logo-on-light{display:none}:root:not([data-theme="light"]) .logo-on-dark{display:block}}
:root[data-theme="dark"] .logo-on-light{display:none}
:root[data-theme="dark"] .logo-on-dark{display:block}
@media (max-width:420px){.logo{height:36px}}
.nav{display:flex;gap:4px;margin-left:auto}
.nav a{text-decoration:none;font-weight:500;font-size:15px;padding:8px 12px;border-radius:4px;color:var(--muted)}
.nav a:hover{color:var(--fg);background:var(--bg)}
.lang{font-family:var(--f-mono);font-size:13px;text-decoration:none;border:1px solid var(--line);padding:5px 10px;border-radius:4px}
.lang:hover{border-color:var(--accent);color:var(--accent)}
@media (max-width:760px){.nav{display:none}.lang{margin-left:auto}}

.hero{border-bottom:1px solid var(--line);background:
  linear-gradient(var(--line) 1px,transparent 1px) 0 0/48px 48px,
  linear-gradient(90deg,var(--line) 1px,transparent 1px) 0 0/48px 48px,var(--bg);}
.hero-in{padding-block:clamp(56px,9vw,112px) clamp(40px,6vw,72px)}
.kicker{font-family:var(--f-mono);font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin:0 0 18px;display:flex;align-items:center;gap:10px}
.kicker::before{content:"";width:28px;height:3px;background:var(--signal)}
.hero h1{font-size:clamp(34px,5.6vw,68px);line-height:1.04;font-weight:800;font-stretch:88%;max-width:16ch}
.lead{font-size:clamp(17px,1.6vw,19px);color:var(--muted);max-width:60ch;margin:22px 0 0}
.cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.btn{display:inline-flex;align-items:center;min-height:48px;padding:0 22px;border-radius:4px;font-weight:600;text-decoration:none;font-size:15px}
.btn-primary{background:var(--accent);color:var(--accent-fg)}
.btn-primary:hover{filter:brightness(1.08)}
.btn-ghost{border:1.5px solid var(--fg);background:var(--surface)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}
.facts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;margin-top:56px;max-width:720px;border-top:2px solid var(--fg)}
.fact{padding:16px 16px 0 0;display:flex;flex-direction:column;gap:2px}
.fact+.fact{padding-left:16px;border-left:1px solid var(--line)}
.fact-n{font-family:var(--f-display);font-weight:800;font-size:clamp(28px,4vw,40px);line-height:1;font-variant-numeric:tabular-nums}
.fact-l{color:var(--muted);font-size:14px}

.band{padding-block:clamp(56px,8vw,96px)}
.band-alt{background:var(--surface);border-block:1px solid var(--line)}
.sec-head{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.4fr);gap:24px;align-items:end;margin-bottom:40px}
.sec-head h2{font-size:clamp(28px,3.6vw,44px);font-weight:800;font-stretch:90%}
.sec-head p{margin:0;color:var(--muted);max-width:52ch}
@media (max-width:760px){.sec-head{grid-template-columns:1fr;gap:10px}}

.svc-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));border-top:1px solid var(--line)}
.svc{padding:28px 28px 32px 0;border-bottom:1px solid var(--line);display:flex;flex-direction:column;gap:10px;min-width:0}
.svc:nth-child(even){padding-left:28px;border-left:1px solid var(--line)}
.svc-code{font-family:var(--f-mono);font-size:12px;letter-spacing:.14em;color:var(--accent)}
.svc h3{font-size:22px;font-weight:700;font-stretch:95%}
.svc p{margin:0;color:var(--muted);max-width:56ch}
@media (max-width:760px){.svc-grid{grid-template-columns:1fr}.svc,.svc:nth-child(even){padding:24px 0;border-left:0}}

.prj-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px 24px}
@media (max-width:960px){.prj-list{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:560px){.prj-list{grid-template-columns:1fr}}
.prj{display:flex;flex-direction:column;gap:14px;min-width:0}
.prj-img{position:relative;margin:0;aspect-ratio:4/3;max-width:100%;background:var(--ph);overflow:hidden;border-radius:2px}
.prj-img img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:1}
.prj-ph{position:absolute;inset:auto 0 0 0;padding:12px 14px;font-family:var(--f-mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);
  background:repeating-linear-gradient(135deg,transparent 0 10px,color-mix(in srgb,var(--line) 60%,transparent) 10px 11px);height:100%;display:flex;align-items:flex-end}
.prj-meta{display:grid;grid-template-columns:auto minmax(0,1fr);column-gap:14px;row-gap:2px;align-items:baseline}
.prj-year{font-family:var(--f-mono);font-size:14px;color:var(--accent);font-variant-numeric:tabular-nums;grid-row:span 2;padding-top:2px}
.prj h3{font-size:18px;line-height:1.3;font-weight:700;font-stretch:95%}
.prj-place{color:var(--muted);font-size:14px}

.refs{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px}
.refs li{background:var(--tile);border:1px solid var(--line);border-radius:4px;height:120px;padding:18px 20px;display:flex;align-items:center;justify-content:center;min-width:0}
.refs img{max-width:100%;max-height:72px;width:auto;height:auto;object-fit:contain}
@media (max-width:860px){.refs{grid-template-columns:repeat(2,minmax(0,1fr))}}

.band-dark{background:var(--dark);color:var(--dark-fg)}
.band-dark .sec-head p{color:var(--dark-muted)}
.con-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;margin:0;border-top:1px solid color-mix(in srgb,var(--dark-fg) 20%,transparent)}
.con-list>div{padding:24px 24px 0 0;min-width:0}
.con-list>div+div{padding-left:24px;border-left:1px solid color-mix(in srgb,var(--dark-fg) 20%,transparent)}
.con-list dt{font-family:var(--f-mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--signal);margin-bottom:8px}
.con-list dd{margin:0;font-size:18px;line-height:1.5}
.con-list dd a{color:var(--dark-fg)}
.mail{font-family:var(--f-display);font-weight:700;font-size:clamp(20px,2.2vw,24px);text-decoration:none;margin-right:12px;overflow-wrap:anywhere}
.tel{font-family:var(--f-display);font-weight:800;font-size:clamp(24px,2.6vw,30px);text-decoration:none;font-variant-numeric:tabular-nums;margin-right:12px}
.copy{font:500 13px var(--f-mono);background:transparent;color:var(--dark-fg);border:1px solid color-mix(in srgb,var(--dark-fg) 35%,transparent);border-radius:4px;padding:6px 10px;cursor:pointer;vertical-align:middle}
.copy:hover{border-color:var(--signal);color:var(--signal)}
@media (max-width:960px){.con-list{grid-template-columns:1fr}.con-list>div+div{padding-left:0;border-left:0}}

.foot{background:var(--dark);color:var(--dark-muted);border-top:1px solid color-mix(in srgb,var(--dark-fg) 12%,transparent);font-size:14px}
.foot-in{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;padding-block:22px}
.foot a{color:var(--dark-fg)}