/* ============================================================
   BUILDTRUST — Blueprint / Engineering Drawing Design System
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Oswald:wght@400;500;600;700&family=IBM+Plex+Sans:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

:root{
  --ink:        #0B2440;   /* deep blueprint navy — primary text / hero bg */
  --ink-2:      #123258;   /* slightly lighter navy for panels */
  --paper:      #EAEFF2;   /* cool vellum paper background */
  --paper-2:    #F6F8F9;   /* lighter card surface */
  --line:       rgba(11,36,64,0.16);
  --line-soft:  rgba(11,36,64,0.09);
  --steel:      #52697D;   /* muted steel for secondary text */
  --amber:      #E29A2E;   /* safety amber — in progress / accent */
  --green:      #2E6E49;   /* steel green — completed */
  --white:      #FFFFFF;

  --display: 'Oswald', 'Arial Narrow', sans-serif;
  --body: 'IBM Plex Sans', -apple-system, sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, monospace;
}

*{ box-sizing:border-box; margin:0; padding:0; }

html{ scroll-behavior:smooth; }

body{
  font-family:var(--body);
  color:var(--ink);
  background:var(--paper);
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}

a{ color:inherit; text-decoration:none; }

img, svg{ display:block; max-width:100%; }

/* ---------- Blueprint grid texture ---------- */
.grid-bg{
  background-image:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 40px 40px;
}

.grid-bg-dark{
  background-color: var(--ink);
  background-image:
    linear-gradient(rgba(255,255,255,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.06) 1px, transparent 1px);
  background-size: 40px 40px;
}

/* ---------- Layout shell ---------- */
.wrap{
  max-width:1120px;
  margin:0 auto;
  padding:0 32px;
}

/* ---------- Header / Nav ---------- */
header.site{
  border-bottom:1px solid var(--line);
  background:var(--paper);
  position:sticky; top:0; z-index:50;
}
.nav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:18px 32px;
  max-width:1120px;
  margin:0 auto;
}
.wordmark{
  font-family:var(--display);
  font-size:22px;
  font-weight:600;
  letter-spacing:0.5px;
  text-transform:uppercase;
}
.wordmark span{ color:var(--amber); }
.tagline-mini{
  display:block;
  font-family:var(--mono);
  font-size:10px;
  letter-spacing:1.5px;
  color:var(--steel);
  text-transform:uppercase;
  margin-top:2px;
}
nav.links{ display:flex; align-items:center; gap:28px; }
nav.links a{
  font-family:var(--mono);
  font-size:13px;
  letter-spacing:0.5px;
  text-transform:uppercase;
  color:var(--ink);
  padding-bottom:4px;
  border-bottom:2px solid transparent;
  transition:border-color .15s ease;
}
nav.links a:hover, nav.links a.active{ border-bottom-color:var(--amber); }
.btn-contact{
  font-family:var(--mono);
  font-size:12px;
  text-transform:uppercase;
  letter-spacing:0.5px;
  background:var(--ink);
  color:var(--white) !important;
  padding:10px 18px;
  border:1px solid var(--ink);
  border-bottom:none !important;
}
.btn-contact:hover{ background:var(--amber); border-color:var(--amber); }

/* ---------- Hero ---------- */
.hero{
  position:relative;
  color:var(--white);
  padding:96px 0 88px;
}
.hero .wrap{ position:relative; z-index:2; }
.eyebrow{
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:2px;
  text-transform:uppercase;
  color:var(--amber);
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:22px;
}
.eyebrow::before{
  content:"";
  width:28px; height:1px;
  background:var(--amber);
  display:inline-block;
}
h1.headline{
  font-family:var(--display);
  font-weight:600;
  font-size:clamp(38px, 5.5vw, 68px);
  line-height:1.04;
  max-width:760px;
  text-transform:uppercase;
  letter-spacing:0.5px;
}
h1.headline em{ font-style:normal; color:var(--amber); }
.hero-sub{
  margin-top:24px;
  max-width:560px;
  font-size:17px;
  color:rgba(255,255,255,0.82);
}

/* Corner crop marks — blueprint sheet motif */
.crop{ position:absolute; width:22px; height:22px; opacity:0.55; z-index:2; }
.crop::before, .crop::after{ content:""; position:absolute; background:rgba(255,255,255,0.55); }
.crop::before{ width:100%; height:1px; top:0; left:0; }
.crop::after{ width:1px; height:100%; top:0; left:0; }
.crop.tl{ top:24px; left:24px; }
.crop.tr{ top:24px; right:24px; transform:scaleX(-1); }

/* ---------- Sections ---------- */
section{ padding:80px 0; }
section.alt{ background:var(--paper-2); border-top:1px solid var(--line); border-bottom:1px solid var(--line); }

.section-head{ margin-bottom:44px; max-width:640px; }
.kicker{
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:2px;
  text-transform:uppercase;
  color:var(--steel);
  margin-bottom:12px;
  display:block;
}
h2.title{
  font-family:var(--display);
  font-size:clamp(28px, 3.4vw, 40px);
  text-transform:uppercase;
  letter-spacing:0.3px;
  font-weight:600;
}
p.lead{ font-size:17px; color:var(--steel); margin-top:14px; }

.prose{ max-width:760px; }
.prose p{ margin-bottom:18px; font-size:16.5px; color:var(--ink-2); }
.prose p:last-child{ margin-bottom:0; }

/* Vision / Mission split */
.vm-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:0;
  border:1px solid var(--line);
  margin-top:12px;
}
.vm-cell{ padding:36px; }
.vm-cell + .vm-cell{ border-left:1px solid var(--line); }
.vm-label{
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:2px;
  text-transform:uppercase;
  color:var(--amber);
  margin-bottom:14px;
  display:block;
}
.vm-cell p{ font-size:15.5px; color:var(--ink-2); }

/* Stat strip */
.stat-strip{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  margin-top:56px;
}
.stat{ padding:26px 28px; border-left:1px solid var(--line); }
.stat:first-child{ border-left:none; }
.stat .num{ font-family:var(--display); font-size:34px; color:var(--ink); }
.stat .lbl{ font-family:var(--mono); font-size:11px; letter-spacing:1px; text-transform:uppercase; color:var(--steel); margin-top:4px; }

/* ---------- Team ---------- */
.team-tier-label{
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:2px;
  text-transform:uppercase;
  color:var(--steel);
  margin:44px 0 18px;
  padding-bottom:8px;
  border-bottom:1px solid var(--line);
}
.team-tier-label:first-of-type{ margin-top:0; }
.team-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill, minmax(230px, 1fr));
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
}
.person{
  background:var(--paper-2);
  padding:26px 22px;
}
.person .id-tag{
  font-family:var(--mono);
  font-size:10px;
  letter-spacing:1px;
  color:var(--amber);
  text-transform:uppercase;
}
.person .name{
  font-family:var(--display);
  font-size:20px;
  margin-top:10px;
  font-weight:500;
}
.person .role{
  font-family:var(--body);
  font-size:13.5px;
  color:var(--steel);
  margin-top:4px;
}

/* ---------- Contact card ---------- */
.contact-block{
  display:grid;
  grid-template-columns:1.2fr 1fr;
  border:1px solid var(--line);
  margin-top:16px;
}
.contact-main{ padding:38px; }
.contact-side{ padding:38px; background:var(--ink); color:var(--white); }
.contact-side .field{ margin-bottom:20px; }
.contact-side .field:last-child{ margin-bottom:0; }
.contact-side .f-label{
  font-family:var(--mono);
  font-size:10.5px;
  letter-spacing:1.5px;
  text-transform:uppercase;
  color:var(--amber);
  display:block;
  margin-bottom:6px;
}
.contact-side .f-value{ font-size:15px; line-height:1.5; }
.contact-main .f-label{
  font-family:var(--mono);
  font-size:10.5px;
  letter-spacing:1.5px;
  text-transform:uppercase;
  color:var(--steel);
  display:block;
  margin-bottom:6px;
}
.contact-main .f-value{ font-size:15.5px; color:var(--ink-2); margin-bottom:22px; }
.contact-main .f-value:last-child{ margin-bottom:0; }

/* ---------- Project cards ---------- */
.project-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:28px;
  margin-top:12px;
}
.project-card{
  border:1px solid var(--line);
  background:var(--paper-2);
  overflow:hidden;
}
.project-art{
  aspect-ratio:16/10;
  background:var(--ink);
  position:relative;
}
.project-body{ padding:26px 26px 28px; }
.project-top{ display:flex; justify-content:space-between; align-items:flex-start; margin-bottom:10px; }
.project-name{ font-family:var(--display); font-size:21px; text-transform:uppercase; letter-spacing:0.3px; }
.project-loc{ font-family:var(--mono); font-size:12px; color:var(--steel); margin-top:4px; }
.status{
  font-family:var(--mono);
  font-size:10.5px;
  letter-spacing:1px;
  text-transform:uppercase;
  padding:5px 10px;
  border:1px solid currentColor;
  white-space:nowrap;
}
.status.progress{ color:var(--amber); }
.status.done{ color:var(--green); }
.project-desc{ font-size:14.5px; color:var(--steel); margin-top:14px; }

.note-illustration{
  font-family:var(--mono);
  font-size:10.5px;
  color:var(--steel);
  text-align:center;
  margin-top:18px;
}

/* ---------- Footer ---------- */
footer.titleblock{
  border-top:1px solid var(--line);
  background:var(--paper-2);
  margin-top:40px;
}
.tb-bottom{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:24px 0;
  font-family:var(--mono);
  font-size:11px;
  color:var(--steel);
  flex-wrap:wrap;
  gap:8px;
}

/* ---------- Responsive ---------- */
@media (max-width: 780px){
  .vm-grid, .contact-block, .project-grid{ grid-template-columns:1fr; }
  .vm-cell + .vm-cell{ border-left:none; border-top:1px solid var(--line); }
  .stat-strip{ grid-template-columns:1fr; }
  .stat{ border-left:none; border-top:1px solid var(--line); }
  .stat:first-child{ border-top:none; }
  .tb-grid{ grid-template-columns:1fr 1fr; }
  nav.links{ display:none; }
  .nav-inner{ justify-content:space-between; }
}

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *{ transition:none !important; }
}