:root{
  --ink:#1B1A16;
  --paper:#E6E1D2;
  --paper-soft:#F1EDE1;
  --paper-deep:#DAD3BF;
  --green:#2B4A3E;
  --green-deep:#1E362D;
  --rust:#A8532E;
  --amber:#C98A2C;
  --grey:#6B6558;
  --line: rgba(27,26,22,0.15);
  --font-display:'Fraunces', Georgia, serif;
  --font-body:'IBM Plex Sans', -apple-system, sans-serif;
  --font-mono:'IBM Plex Mono', 'Courier New', monospace;
  --container: 1180px;
}

*{box-sizing:border-box; margin:0; padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:var(--font-body);
  background:var(--paper);
  color:var(--ink);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img,svg{display:block; max-width:100%;}
a{color:inherit;}
ul{list-style:none;}

.wrap{max-width:var(--container); margin:0 auto; padding:0 1.75rem;}

.skip-link{position:absolute; left:-999px; top:0; background:var(--ink); color:var(--paper); padding:0.75rem 1.25rem; z-index:200;}
.skip-link:focus{left:1rem; top:1rem;}

:focus-visible{outline:2px solid var(--rust); outline-offset:3px;}

/* ---------- Type helpers ---------- */
.eyebrow{
  font-family:var(--font-mono);
  font-size:0.72rem;
  letter-spacing:0.14em;
  text-transform:uppercase;
  color:var(--grey);
}
h1,h2,h3{font-family:var(--font-display); font-weight:500; letter-spacing:-0.01em; color:var(--ink);}
.lede{font-size:1.08rem; color:var(--ink); max-width:46ch;}
.muted{color:var(--grey);}
.mono{font-family:var(--font-mono);}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex; align-items:center; gap:0.5rem;
  font-family:var(--font-body); font-weight:600; font-size:0.95rem;
  padding:0.85rem 1.5rem; border-radius:3px; text-decoration:none;
  transition:transform .15s ease, background .15s ease, color .15s ease;
  border:1.5px solid transparent; cursor:pointer;
}
.btn:hover{transform:translateY(-1px);}
.btn-primary{background:var(--amber); color:var(--ink);}
.btn-primary:hover{background:var(--rust); color:var(--paper-soft);}
.btn-ghost{border-color:var(--ink); color:var(--ink);}
.btn-ghost:hover{background:var(--ink); color:var(--paper);}

/* ---------- Strata divider (signature element) ---------- */
.strata{
  height:10px; width:100%; display:flex; position:relative;
  border-top:1px solid var(--line); border-bottom:1px solid var(--line);
}
.strata span{display:block; height:100%;}
.strata .s1{background:var(--green); width:22%;}
.strata .s2{background:var(--paper-deep); width:14%;}
.strata .s3{background:var(--amber); width:26%;}
.strata .s4{background:var(--green-deep); width:12%;}
.strata .s5{background:var(--rust); width:26%;}

/* ---------- Nav ---------- */
header.site{
  position:sticky; top:0; z-index:100;
  background:rgba(230,225,210,0.92); backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex; align-items:center; justify-content:space-between; padding:1rem 1.75rem;}
.brand{display:flex; align-items:center; gap:0.6rem; text-decoration:none;}
.brand svg{width:32px; height:32px; flex-shrink:0;}
.brand-word{font-family:var(--font-display); font-size:1.25rem; font-weight:500; color:var(--ink);}
.brand-word b{font-family:var(--font-mono); font-weight:700; color:var(--rust);}
.nav-links{display:flex; gap:2rem; align-items:center;}
.nav-links a{font-size:0.92rem; text-decoration:none; color:var(--ink); font-weight:500;}
.nav-links a:hover{color:var(--rust);}
.nav-links a.active{color:var(--rust);}
.nav-cta{display:flex; align-items:center; gap:1.25rem;}
.nav-toggle{display:none;}

.nav-lang{display:flex; align-items:center; gap:0.4rem; font-family:var(--font-mono); font-size:0.78rem;}
.nav-lang a{text-decoration:none; color:var(--grey); padding:0.15rem 0.05rem;}
.nav-lang a.active{color:var(--ink); font-weight:700;}
.nav-lang span{color:var(--line);}

@media (max-width: 860px){
  .nav-links{position:fixed; inset:64px 0 0 0; background:var(--paper); flex-direction:column; padding:2rem; gap:1.5rem; transform:translateX(100%); transition:transform .25s ease; border-top:1px solid var(--line); align-items:flex-start;}
  .nav-links.open{transform:translateX(0);}
  .nav-toggle{display:block; background:none; border:1.5px solid var(--ink); border-radius:3px; width:40px; height:36px; cursor:pointer;}
  .nav-cta .btn-ghost{display:none;}
}

/* ---------- Hero ---------- */
.hero{padding:5rem 0 4rem;}
.hero .wrap{display:grid; grid-template-columns:1.05fr 0.95fr; gap:3.5rem; align-items:center;}
.hero h1{font-size:clamp(2.6rem, 5vw, 4.1rem); line-height:1.04; margin:1rem 0 1.4rem;}
.hero h1 em{font-style:italic; color:var(--green);}
.hero-ctas{display:flex; gap:1rem; margin-top:2rem; flex-wrap:wrap;}

/* Hero illustration: specimen tags -> data record (percentage-based so it never overflows) */
.hero-art{position:relative; height:380px; overflow:hidden;}
.tag{
  position:absolute; width:47%; background:var(--paper-soft);
  border:1px solid var(--line); border-radius:4px;
  padding:1rem 0.9rem 0.9rem 1.3rem; box-shadow:0 10px 24px -14px rgba(27,26,22,0.35);
}
.tag .eyelet{position:absolute; top:12px; left:12px; width:9px; height:9px; border-radius:50%; border:1.5px solid var(--ink); opacity:0.4;}
.tag .tag-label{font-family:var(--font-mono); font-size:0.66rem; color:var(--grey); letter-spacing:0.04em; white-space:nowrap;}
.tag .tag-title{font-family:var(--font-display); font-style:italic; font-size:1rem; margin-top:0.25rem;}
.tag-1{top:1%; left:0; transform:rotate(-7deg); z-index:2;}
.tag-2{top:22%; left:23%; transform:rotate(4deg); z-index:1; border-left:3px solid var(--amber);}
.tag-3{top:9%; left:44%; transform:rotate(-3deg); z-index:3; border-left:3px solid var(--rust);}

.record{
  position:absolute; bottom:0; right:0; width:60%; min-width:220px;
  background:var(--ink); color:var(--paper); border-radius:4px;
  padding:1.15rem 1.3rem; font-family:var(--font-mono); font-size:0.74rem;
  box-shadow:0 20px 40px -18px rgba(27,26,22,0.5);
}
.record .rec-head{display:flex; justify-content:space-between; align-items:center; margin-bottom:0.8rem; padding-bottom:0.6rem; border-bottom:1px solid rgba(230,225,210,0.2);}
.record .rec-dot{width:8px; height:8px; border-radius:50%; background:var(--amber); flex-shrink:0;}
.record dl{display:grid; grid-template-columns:auto 1fr; gap:0.35rem 0.6rem;}
.record dt{color:rgba(230,225,210,0.55);}
.record dd{color:var(--paper); overflow-wrap:anywhere;}

.flow-arrow{
  position:absolute; bottom:30%; left:47%; width:15%; height:auto; max-width:60px;
  color:var(--grey); opacity:0.55;
}

@media (max-width: 980px){
  .hero .wrap{grid-template-columns:1fr; gap:2.5rem;}
  .hero-art{height:340px; max-width:480px; margin:0 auto;}
}
@media (max-width: 400px){
  .tag .tag-title{font-size:0.9rem;}
  .record{font-size:0.68rem;}
}

/* ---------- Section shell ---------- */
section{padding:4.5rem 0;}
.section-head{max-width:640px; margin-bottom:3rem;}
.section-head h2{font-size:clamp(1.7rem, 3vw, 2.4rem); margin-top:0.6rem;}

/* ---------- Capability strip ---------- */
.capstrip{background:var(--green-deep); color:var(--paper);}
.capstrip .wrap{display:grid; grid-template-columns:repeat(4,1fr); gap:2rem; padding:3rem 1.75rem;}
.cap-item .cap-num{font-family:var(--font-display); font-size:2.1rem; color:var(--amber);}
.cap-item .cap-label{font-size:0.85rem; color:rgba(230,225,210,0.75); margin-top:0.25rem;}
@media (max-width: 760px){ .capstrip .wrap{grid-template-columns:1fr 1fr;} }

/* ---------- Discipline tags ---------- */
.disciplines-grid{display:grid; grid-template-columns:repeat(4,1fr); gap:1.5rem;}
.disc-card{
  position:relative; background:var(--paper-soft); border:1px solid var(--line);
  border-radius:4px; padding:1.75rem 1.5rem 1.5rem; padding-top:2.5rem;
  transition:transform .18s ease, box-shadow .18s ease;
}
.disc-card:hover{transform:translateY(-4px) rotate(-0.4deg); box-shadow:0 16px 30px -18px rgba(27,26,22,0.35);}
.disc-card .eyelet{position:absolute; top:16px; left:16px; width:10px; height:10px; border-radius:50%; border:1.5px solid var(--ink); opacity:0.35;}
.disc-card .disc-id{font-family:var(--font-mono); font-size:0.7rem; color:var(--grey); letter-spacing:0.05em;}
.disc-card h3{font-size:1.3rem; margin:0.5rem 0 0.6rem;}
.disc-card p{font-size:0.9rem; color:var(--grey);}
.disc-card .bar{position:absolute; left:0; top:0; height:4px; width:100%; border-radius:4px 4px 0 0;}
.disc-1 .bar{background:var(--green);} .disc-2 .bar{background:var(--amber);}
.disc-3 .bar{background:var(--rust);} .disc-4 .bar{background:var(--green-deep);}
@media (max-width: 980px){ .disciplines-grid{grid-template-columns:1fr 1fr;} }
@media (max-width: 560px){ .disciplines-grid{grid-template-columns:1fr;} }

/* ---------- Features ---------- */
.features{background:var(--paper-soft); border-top:1px solid var(--line); border-bottom:1px solid var(--line);}
.features-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:var(--line); border:1px solid var(--line);}
.feat{background:var(--paper-soft); padding:2.1rem 1.9rem;}
.feat .feat-icon{width:34px; height:34px; margin-bottom:1.1rem; color:var(--green);}
.feat h3{font-size:1.08rem; margin-bottom:0.5rem;}
.feat p{font-size:0.9rem; color:var(--grey);}
@media (max-width: 900px){ .features-grid{grid-template-columns:1fr 1fr;} }
@media (max-width: 600px){ .features-grid{grid-template-columns:1fr;} }

/* ---------- Process ---------- */
.process-list{display:grid; grid-template-columns:repeat(4,1fr); gap:2rem; counter-reset:step;}
.step{position:relative; padding-top:1rem; border-top:2px solid var(--ink);}
.step .step-num{font-family:var(--font-mono); font-size:0.85rem; color:var(--rust); font-weight:700;}
.step h3{font-size:1.05rem; margin:0.6rem 0 0.5rem;}
.step p{font-size:0.88rem; color:var(--grey);}
@media (max-width: 900px){ .process-list{grid-template-columns:1fr 1fr;} }
@media (max-width: 560px){ .process-list{grid-template-columns:1fr;} }

/* ---------- CTA band ---------- */
.cta-band{background:var(--ink); color:var(--paper);}
.cta-band .wrap{display:flex; align-items:center; justify-content:space-between; gap:2rem; flex-wrap:wrap; padding:3.5rem 1.75rem;}
.cta-band h2{color:var(--paper); font-size:clamp(1.6rem,3vw,2.2rem); max-width:20ch;}
.cta-band p{color:rgba(230,225,210,0.7); margin-top:0.6rem; max-width:42ch;}
.cta-band .btn-ghost{border-color:var(--paper); color:var(--paper);}
.cta-band .btn-ghost:hover{background:var(--paper); color:var(--ink);}

/* ---------- Contact page ---------- */
.contact-intro{padding-bottom:1rem;}
.contact-main{padding-top:0;}
.contact-grid{display:grid; grid-template-columns:1.3fr 1fr; gap:2.5rem; align-items:start;}
@media (max-width: 900px){ .contact-grid{grid-template-columns:1fr;} }

.form-card{background:var(--paper-soft); border:1px solid var(--line); border-radius:4px; padding:2.25rem;}
.field{margin-bottom:1.35rem;}
.field-row{display:grid; grid-template-columns:1fr 1fr; gap:1.2rem;}
@media (max-width: 560px){ .field-row{grid-template-columns:1fr;} }
.field label{display:block; font-size:0.85rem; font-weight:600; margin-bottom:0.45rem;}
.field .optional{font-weight:400; color:var(--grey); font-size:0.8rem;}
.field input[type="text"], .field input[type="email"], .field select, .field textarea{
  width:100%; font-family:var(--font-body); font-size:0.95rem; padding:0.75rem 0.9rem;
  border:1.5px solid var(--line); border-radius:3px; background:var(--paper); color:var(--ink);
}
.field input:focus, .field select:focus, .field textarea:focus{border-color:var(--ink);}
.field textarea{min-height:130px; resize:vertical; font-family:var(--font-body);}
.checkbox-grid{display:grid; grid-template-columns:1fr 1fr; gap:0.7rem;}
@media (max-width: 480px){ .checkbox-grid{grid-template-columns:1fr;} }
.checkbox-item{display:flex; align-items:center; gap:0.55rem; font-size:0.92rem;}
.checkbox-item input{width:16px; height:16px; accent-color:var(--rust);}
.form-note{font-size:0.8rem; color:var(--grey); margin-top:0.9rem;}

.sidebar-card{background:var(--paper-soft); border:1px solid var(--line); border-radius:4px; padding:1.75rem; margin-bottom:1.5rem;}
.sidebar-card h3{font-size:1.02rem; margin-bottom:0.7rem;}
.sidebar-card p{font-size:0.9rem; color:var(--grey);}
.contact-email{display:inline-block; margin-top:0.75rem; font-family:var(--font-mono); font-size:0.95rem; color:var(--rust); text-decoration:none;}
.contact-email:hover{color:var(--green);}
.checklist{margin-top:0.6rem;}
.checklist li{position:relative; padding-left:1.3rem; font-size:0.88rem; color:var(--grey); margin-bottom:0.65rem;}
.checklist li::before{content:"—"; position:absolute; left:0; color:var(--amber); font-family:var(--font-mono);}

/* ---------- Footer ---------- */
footer{padding:3.5rem 0 2.5rem;}
.foot-top{display:flex; justify-content:space-between; gap:2rem; flex-wrap:wrap; padding-bottom:2.5rem; border-bottom:1px solid var(--line);}
.foot-brand{max-width:320px;}
.foot-brand p{font-size:0.88rem; color:var(--grey); margin-top:0.8rem;}
.foot-cols{display:flex; gap:3.5rem; flex-wrap:wrap;}
.foot-col h4{font-family:var(--font-mono); font-size:0.72rem; letter-spacing:0.1em; text-transform:uppercase; color:var(--grey); margin-bottom:0.9rem;}
.foot-col a{display:block; font-size:0.9rem; text-decoration:none; margin-bottom:0.6rem; color:var(--ink);}
.foot-col a:hover{color:var(--rust);}
.foot-bottom{display:flex; justify-content:space-between; padding-top:1.5rem; font-size:0.8rem; color:var(--grey); flex-wrap:wrap; gap:0.75rem;}

/* ---------- Reveal ---------- */
.reveal{opacity:0; transform:translateY(14px); transition:opacity .6s ease, transform .6s ease;}
.reveal.in{opacity:1; transform:none;}
@media (prefers-reduced-motion: reduce){
  .reveal{opacity:1; transform:none; transition:none;}
  html{scroll-behavior:auto;}
}