/* Constructio — brand static site */
:root{
  --orange:#FD8003;        /* brand accent — fills, logo, highlights */
  --orange-hover:#e57200;
  --orange-ink:#8a4600;    /* accessible orange for text on white (~5:1) */
  --navy:#1F3864;          /* headings, primary text accents */
  --navy-deep:#162a4d;
  --ink:#1b2230;           /* body text */
  --muted:#5b6470;         /* secondary text */
  --line:#e6e9ee;
  --soft:#f6f8fa;
  --soft2:#eef2f6;
  --white:#ffffff;
  --radius:12px;
  --radius-sm:8px;
  --maxw:1080px;
  --shadow:0 1px 2px rgba(22,42,77,.04);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  color:var(--ink);background:var(--white);line-height:1.62;font-size:17px;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:var(--navy);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3{color:var(--navy);line-height:1.2;font-weight:700;letter-spacing:-.01em}
h1{font-size:clamp(2rem,4.4vw,3.1rem)}
h2{font-size:clamp(1.5rem,3vw,2.15rem)}
h3{font-size:1.15rem}
p{margin:0 0 1rem}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.section{padding:72px 0}
.section--tight{padding:48px 0}
.eyebrow{color:var(--orange-ink);font-weight:700;font-size:.82rem;letter-spacing:.09em;text-transform:uppercase;margin-bottom:14px}
.lead{font-size:1.2rem;color:var(--muted);max-width:60ch}
.center{text-align:center}
.center .lead{margin-left:auto;margin-right:auto}

/* accessibility */
.skip{position:absolute;left:-999px;top:0;background:var(--navy);color:#fff;padding:10px 16px;border-radius:0 0 8px 0;z-index:100}
.skip:focus{left:0}
:focus-visible{outline:3px solid var(--orange);outline-offset:2px;border-radius:4px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:1rem;padding:13px 22px;border-radius:var(--radius-sm);border:1.5px solid transparent;cursor:pointer;transition:background .15s,border-color .15s,transform .05s;text-decoration:none}
.btn:hover{text-decoration:none}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--orange);color:#1a1204;border-color:var(--orange)}
.btn-primary:hover{background:var(--orange-hover);border-color:var(--orange-hover)}
.btn-secondary{background:#fff;color:var(--navy);border-color:#cdd4de}
.btn-secondary:hover{background:var(--soft);border-color:var(--navy)}
.btn-ghost{background:transparent;color:var(--navy);padding:0;font-weight:700}
.btn-lg{padding:16px 28px;font-size:1.05rem}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:saturate(1.4) blur(8px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;height:70px}
.brand{display:flex;align-items:center;gap:10px}
.brand img{height:26px;width:auto}
.brand .wordmark{font-weight:700;color:var(--navy);font-size:1.15rem;letter-spacing:-.01em}
.nav-links{display:flex;align-items:center;gap:26px;list-style:none}
.nav-links a{color:var(--ink);font-weight:500;font-size:.97rem}
.nav-links a:hover{color:var(--navy);text-decoration:none}
.nav-cta{display:flex;align-items:center;gap:14px}
.nav-toggle{display:none;background:none;border:1.5px solid #cdd4de;border-radius:8px;padding:10px 10px;cursor:pointer}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--navy);border-radius:2px}
.nav-toggle span+span{margin-top:4px}

/* hero */
.hero{padding:80px 0 40px}
.hero h1{margin-bottom:18px;max-width:20ch}
.hero .lead{margin-bottom:28px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:40px}
.board{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;max-width:640px}
.tile{background:var(--soft);border:1px solid var(--line);border-radius:var(--radius);padding:18px}
.tile .k{font-size:.85rem;color:var(--muted);margin-bottom:6px}
.tile .v{font-size:1.6rem;font-weight:700;color:var(--navy);line-height:1.1}
.tile .v.ok{color:#1a7a4a}

/* trust strip */
.trust{background:var(--soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.trust-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px 18px;padding:20px 0}
.trust-lead{font-weight:700;color:var(--navy);display:flex;align-items:center;gap:8px}
.dot-ok{width:9px;height:9px;border-radius:50%;background:#1a7a4a;display:inline-block}
.chip{display:inline-flex;align-items:center;gap:7px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:7px 14px;font-size:.9rem;color:var(--ink);font-weight:500}
.chip .ic{color:var(--orange-ink)}

/* cards / grids */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow)}
.card h3{margin-bottom:8px}
.card p{color:var(--muted);margin-bottom:12px}
.card .ic{font-size:1.5rem;color:var(--orange);display:inline-block;margin-bottom:6px}
.card .go{font-weight:700;color:var(--navy)}
.mini{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.mini .ic{color:var(--navy);font-size:1.3rem}
.mini .t{font-weight:600;margin-top:8px;color:var(--ink);font-size:.98rem}
.num{color:var(--orange-ink);font-weight:800;font-size:1.05rem}

/* spaces gallery — density-style iso illustrations on a dark band */
.spaces{background:#0c1526;color:#fff;padding:76px 0}
.spaces .eyebrow{color:var(--orange)}
.spaces h2{color:#fff}
.spaces .sub{color:#aeb9cc;max-width:640px;font-size:1.1rem;margin-top:10px}
.space-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:40px}
.space{background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.08);border-radius:16px;padding:12px 14px 22px;text-align:center;transition:border-color .15s,background .15s}
.space:hover{border-color:rgba(253,128,3,.5);background:rgba(255,255,255,.05)}
.space .fig{height:160px;display:flex;align-items:center;justify-content:center}
.space .fig img{height:100%;width:auto;max-width:100%}
.space .t{color:#eef2f9;font-weight:600;margin-top:8px;font-size:1rem}
.space .d{color:#8a97ad;font-size:.84rem;margin-top:5px;line-height:1.5}

/* callout (coronial hook) */
.callout{background:#fff;border:1px solid var(--line);border-left:4px solid var(--orange);border-radius:0 var(--radius) var(--radius) 0;padding:24px 26px}
.callout .h{font-weight:700;color:var(--navy);margin-bottom:6px}
.callout p{color:var(--muted);margin:0}

/* banded sections */
.band-navy{background:var(--navy);color:#eaf0fb}
.band-navy h2,.band-navy h3{color:#fff}
.band-navy .lead{color:#c7d3ea}
.band-soft{background:var(--soft)}
.cta-band{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px}
.cta-band .txt h2{margin-bottom:6px}

/* case study */
.article{max-width:760px;margin:0 auto}
.article h2{margin:34px 0 12px}
.article h3{color:var(--orange-ink);margin:22px 0 6px;font-size:1.05rem}
.article p{color:var(--ink)}
.kv{display:flex;flex-wrap:wrap;gap:10px 26px;background:var(--soft);border:1px solid var(--line);border-radius:var(--radius);padding:18px 22px;margin:20px 0;font-size:.95rem}
.kv b{color:var(--navy)}
.quote{border-left:4px solid var(--orange);background:var(--soft);border-radius:0 var(--radius) var(--radius) 0;padding:20px 24px;margin:24px 0;font-style:italic;color:var(--muted)}
.quote cite{display:block;font-style:normal;font-size:.85rem;margin-top:10px;color:var(--muted)}

/* forms */
.form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow)}
.field{margin-bottom:18px}
label{display:block;font-weight:600;color:var(--navy);margin-bottom:6px;font-size:.95rem}
input,select,textarea{width:100%;font:inherit;font-size:1rem;color:var(--ink);background:#fff;border:1.5px solid #cdd4de;border-radius:var(--radius-sm);padding:12px 14px}
input:focus,select:focus,textarea:focus{border-color:var(--navy);outline:none;box-shadow:0 0 0 3px rgba(31,56,100,.12)}
textarea{min-height:120px;resize:vertical}
.contact-cards{display:flex;flex-wrap:wrap;gap:16px;margin-bottom:8px}
.contact-cards a{display:inline-flex;align-items:center;gap:10px;background:var(--soft);border:1px solid var(--line);border-radius:var(--radius-sm);padding:14px 18px;color:var(--navy);font-weight:600}

/* footer */
.footer{background:var(--navy-deep);color:#c3cfe4;padding:48px 0 32px;font-size:.92rem}
.footer a{color:#dbe6f7}
.footer-top{display:flex;flex-wrap:wrap;justify-content:space-between;gap:24px;margin-bottom:24px}
.footer .brand .wordmark{color:#fff}
.footer nav{display:flex;flex-wrap:wrap;gap:8px 22px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.14);padding-top:18px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px;color:#93a4c4}

/* responsive */
@media (max-width:820px){
  .nav-links,.nav-cta .btn{display:none}
  .nav-toggle{display:inline-flex}
  .nav[data-open="true"] .nav-links{display:flex;position:absolute;left:0;right:0;top:70px;flex-direction:column;background:#fff;border-bottom:1px solid var(--line);padding:16px 24px;gap:14px}
  .grid-2,.grid-3,.grid-4,.board{grid-template-columns:1fr}
  .grid-4,.space-grid{grid-template-columns:1fr 1fr}
  .section{padding:52px 0}
  .hero{padding:48px 0 24px}
}
@media (max-width:520px){.grid-4,.space-grid{grid-template-columns:1fr}}