/* ---------- Tokens (from brand mark: charcoal stone, brushed steel grey, steel blue) ---------- */
:root{
  --bg:#111214;
  --bg-raised:#191b1e;
  --bg-raised-2:#212327;
  --ink:#e5e7e8;
  --ink-dim:#8d9296;
  --ink-faint:#585d61;
  --accent:#5c85ac;
  --accent-strong:#a9c2d9;
  --accent-soft:rgba(92,133,172,0.14);
  --accent-2:#7c8085;
  --on-accent:#0d1216;
  --line:rgba(229,231,232,0.10);
  --line-strong:rgba(229,231,232,0.20);
  --shadow:0 20px 60px -30px rgba(0,0,0,0.6);

  --display:-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --body:-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --mono:ui-monospace,"Cascadia Code","SF Mono",Consolas,"Roboto Mono",monospace;

  --measure:64ch;
  --edge:88px;
}
@media (prefers-color-scheme: light){
  :root{
    --bg:#e7e8e8;
    --bg-raised:#ffffff;
    --bg-raised-2:#dadcdd;
    --ink:#15171a;
    --ink-dim:#565b5e;
    --ink-faint:#8a8f92;
    --accent:#2f5779;
    --accent-strong:#1c3a52;
    --accent-soft:rgba(47,87,121,0.10);
    --accent-2:#6d7377;
    --on-accent:#f2f4f5;
    --line:rgba(21,23,26,0.10);
    --line-strong:rgba(21,23,26,0.20);
    --shadow:0 20px 60px -30px rgba(21,24,27,0.20);
  }
}
:root[data-theme="dark"]{
  --bg:#111214; --bg-raised:#191b1e; --bg-raised-2:#212327;
  --ink:#e5e7e8; --ink-dim:#8d9296; --ink-faint:#585d61;
  --accent:#5c85ac; --accent-strong:#a9c2d9; --accent-soft:rgba(92,133,172,0.14); --accent-2:#7c8085; --on-accent:#0d1216;
  --line:rgba(229,231,232,0.10); --line-strong:rgba(229,231,232,0.20);
  --shadow:0 20px 60px -30px rgba(0,0,0,0.6);
}
:root[data-theme="light"]{
  --bg:#e7e8e8; --bg-raised:#ffffff; --bg-raised-2:#dadcdd;
  --ink:#15171a; --ink-dim:#565b5e; --ink-faint:#8a8f92;
  --accent:#2f5779; --accent-strong:#1c3a52; --accent-soft:rgba(47,87,121,0.10); --accent-2:#6d7377; --on-accent:#f2f4f5;
  --line:rgba(21,23,26,0.10); --line-strong:rgba(21,23,26,0.20);
  --shadow:0 20px 60px -30px rgba(21,24,27,0.20);
}

*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  background:var(--bg);
  color:var(--ink);
  font-family:var(--body);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
::selection{background:var(--accent-soft);color:var(--ink);}
a{color:inherit;}
img,svg{max-width:100%;display:block;}
h1,h2,h3,h4{text-wrap:balance;margin:0;font-family:var(--display);font-weight:800;}
p{text-wrap:pretty;}
button{font:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;}

.eyebrow{
  font-family:var(--mono);
  font-size:0.72rem;
  letter-spacing:0.14em;
  text-transform:uppercase;
  color:var(--accent);
}

/* ---------- Core-sample rail ---------- */
#rail{
  position:fixed;
  left:0; top:0; bottom:0;
  width:var(--edge);
  z-index:5;
  border-right:1px solid var(--line);
  background:var(--bg-raised);
  display:none;
}
#rail canvas{width:100%;height:100%;display:block;}
@media (min-width:1100px){
  #rail{display:block;}
  body{margin-left:var(--edge);}
}

/* ---------- Layout shells ---------- */
.wrap{max-width:1180px;margin:0 auto;padding:0 28px;}
.grid-note{
  display:grid;
  grid-template-columns:1fr;
  gap:20px;
}
@media (min-width:840px){
  .grid-note{grid-template-columns:200px 1fr;gap:56px;}
}
section{
  border-top:1px solid var(--line);
  padding:88px 0;
  position:relative;
}
section.alt{background:var(--bg-raised);}
.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s ease, transform .7s ease;}
.reveal.in{opacity:1;transform:translateY(0);}

/* ---------- Nav ---------- */
header{
  position:sticky; top:0; z-index:10;
  background:color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
nav.wrap{
  display:flex; align-items:center; justify-content:space-between;
  height:76px;
}
.brand{
  font-family:var(--display); font-weight:800; font-size:1.05rem;
  letter-spacing:0.02em; text-transform:uppercase;
  display:flex; align-items:center; gap:10px;
}
/* ---------- Logo crop (source art is a square lockup: mark + wordmark; this clips to just the hex mark) ---------- */
.logo-crop{position:relative; overflow:hidden; display:block;}
.logo-crop img{
  position:absolute;
  width:182.9%; height:182.9%; max-width:none;
  left:-44.6%; top:-22.3%;
  -webkit-user-select:none; user-select:none;
}

.brand-mark{
  display:flex; flex:none;
  width:30px; height:30px;
  border-radius:7px;
}
.navlinks{display:none; gap:34px; list-style:none; margin:0; padding:0;}
.navlinks a{
  text-decoration:none; font-size:0.88rem; color:var(--ink-dim);
  transition:color .15s ease;
}
.navlinks a:hover{color:var(--ink);}
@media (min-width:900px){.navlinks{display:flex;}}

/* ---------- Hero ---------- */
#hero{border-top:none; padding:64px 0 96px;}
.hero-grid{
  display:grid; grid-template-columns:1fr; gap:56px; align-items:center;
}
@media (min-width:980px){.hero-grid{grid-template-columns:1.15fr 0.85fr;}}
.hero-head h1{
  font-size:clamp(2.6rem, 6vw, 4.6rem);
  line-height:0.98; letter-spacing:-0.02em;
  text-transform:uppercase;
  margin:18px 0 22px;
}
.hero-head h1 em{
  font-style:normal; color:var(--accent);
}
.hero-sub{
  font-size:1.18rem; color:var(--ink-dim); max-width:46ch; margin-bottom:34px;
}
.cta-row{display:flex; flex-wrap:wrap; gap:14px;}
.btn{
  display:inline-flex; align-items:center; gap:10px;
  padding:15px 26px; text-decoration:none;
  font-family:var(--mono); font-size:0.85rem; letter-spacing:0.03em;
  border:1px solid transparent;
  transition:transform .15s ease, background .15s ease, border-color .15s ease;
}
.btn-primary{background:var(--accent); color:#161311;}
.btn-primary:hover{transform:translateY(-2px);}
.btn-ghost{border-color:var(--line-strong); color:var(--ink);}
.btn-ghost:hover{border-color:var(--accent); color:var(--accent);}

.slab{
  position:relative; aspect-ratio:4/5; overflow:hidden;
  border:1px solid var(--line-strong);
  background:var(--bg-raised);
}
.slab canvas{position:absolute; inset:0; width:100%; height:100%;}
.slab-mark{
  position:absolute; inset:0;
  display:flex; align-items:center; justify-content:center;
  padding:16% 20%;
}
.slab-mark .logo-crop{
  width:100%; aspect-ratio:1/1;
  filter:drop-shadow(0 24px 48px rgba(0,0,0,0.5));
}
/* ---------- What we build ---------- */
.card-grid{
  display:grid; grid-template-columns:1fr; gap:1px;
  background:var(--line);
  border:1px solid var(--line);
}
@media (min-width:700px){.card-grid{grid-template-columns:1fr 1fr;}}
@media (min-width:1050px){.card-grid{grid-template-columns:repeat(3,1fr);}}
.card{
  background:var(--bg); padding:30px 26px;
  display:flex; flex-direction:column; gap:14px;
}
section.alt .card{background:var(--bg-raised);}
.card .num{font-family:var(--mono); font-size:0.72rem; color:var(--ink-faint);}
.card h3{font-size:1.15rem; text-transform:none; letter-spacing:0; font-weight:700;}
.card p{color:var(--ink-dim); font-size:0.94rem; margin:0;}

/* ---------- Built recently ---------- */
.build-list{display:flex; flex-direction:column; gap:1px; background:var(--line); border:1px solid var(--line);}
.build{
  background:var(--bg-raised); padding:32px;
  display:grid; grid-template-columns:1fr; gap:18px;
}
@media (min-width:760px){.build{grid-template-columns:1fr 1fr 1fr; align-items:start;}}
.build .b-name{font-family:var(--display); font-weight:800; font-size:1.3rem;}
.build .b-name span{display:block; font-family:var(--mono); font-weight:400; font-size:0.72rem; letter-spacing:0.08em; color:var(--accent); text-transform:uppercase; margin-bottom:8px;}
.build p{color:var(--ink-dim); font-size:0.93rem; margin:0;}
.stack-tags{display:flex; flex-wrap:wrap; gap:8px; align-content:flex-start;}
.tag{
  font-family:var(--mono); font-size:0.68rem; letter-spacing:0.03em;
  padding:5px 10px; border:1px solid var(--line-strong); color:var(--ink-dim);
  white-space:nowrap;
}

/* ---------- Industries ---------- */
.industry-grid{display:flex; flex-wrap:wrap; gap:1px; background:var(--line); border:1px solid var(--line);}
.industry{
  flex:1 1 200px; background:var(--bg); padding:26px;
  font-family:var(--display); font-weight:700; font-size:1.02rem;
}
section.alt .industry{background:var(--bg-raised);}
.industry .sub{display:block; font-family:var(--body); font-weight:400; font-size:0.85rem; color:var(--ink-dim); margin-top:6px;}

/* ---------- Trust check mark ---------- */
.check{color:var(--accent); font-family:var(--mono); font-weight:700; margin-right:2px;}

/* ---------- Process ---------- */
.flow-row{display:flex; flex-wrap:wrap; align-items:center; gap:10px 14px; margin-bottom:32px;}
.flow-chip{
  font-family:var(--mono); font-size:0.78rem; letter-spacing:0.03em;
  padding:9px 16px; border:1px solid var(--line-strong); color:var(--ink);
  background:var(--bg-raised);
}
.flow-arrow{color:var(--accent); font-family:var(--mono); font-size:0.9rem;}
.process-list{display:flex; flex-direction:column;}
.step{
  display:grid; grid-template-columns:64px 1fr; gap:24px;
  padding:26px 0; border-top:1px solid var(--line);
  align-items:baseline;
}
.step:first-child{border-top:none;}
.step .idx{font-family:var(--mono); font-size:0.95rem; color:var(--accent);}
.step h3{font-size:1.08rem; font-weight:700; margin-bottom:6px;}
.step p{margin:0; color:var(--ink-dim); font-size:0.93rem; max-width:56ch;}

/* ---------- Why us ---------- */
.why-list{display:grid; grid-template-columns:1fr; gap:0;}
@media (min-width:700px){.why-list{grid-template-columns:1fr 1fr;}}
.why-item{
  padding:22px 0; border-top:1px solid var(--line);
  display:flex; gap:16px; align-items:flex-start;
}
@media (min-width:700px){.why-item:nth-child(odd){padding-right:28px;}
  .why-item:nth-child(even){padding-left:28px; border-left:1px solid var(--line);}}
.why-item .mark{color:var(--accent); font-family:var(--mono); font-size:0.9rem; flex:none; margin-top:3px;}
.why-item h3{font-size:1rem; font-weight:700; margin-bottom:4px;}
.why-item p{margin:0; color:var(--ink-dim); font-size:0.9rem;}

/* ---------- Stack ---------- */
.stack-cloud{display:flex; flex-wrap:wrap; gap:10px;}
.stack-cloud .tag{font-size:0.78rem; padding:9px 16px;}

/* ---------- Case study ---------- */
.case{
  background:var(--bg-raised); border:1px solid var(--line);
  padding:40px; display:grid; grid-template-columns:1fr; gap:32px;
}
@media (min-width:820px){.case{grid-template-columns:repeat(3,1fr); padding:48px;}}
.case .col span{font-family:var(--mono); font-size:0.7rem; letter-spacing:0.1em; color:var(--accent-2); text-transform:uppercase;}
.case .col h4{margin:10px 0 8px; font-size:1.02rem; font-weight:700;}
.case .col p{margin:0; color:var(--ink-dim); font-size:0.92rem;}

/* ---------- About ---------- */
.about-block p{font-size:1.15rem; color:var(--ink-dim); max-width:var(--measure);}

/* ---------- Portfolio strip ---------- */
.portfolio-strip{
  display:flex; flex-wrap:wrap; gap:1px; background:var(--line); border:1px solid var(--line);
}
.portfolio-item{
  flex:1 1 240px; background:var(--bg-raised-2); padding:26px;
}
.portfolio-item .p-name{font-family:var(--display); font-weight:800; font-size:1rem; text-transform:uppercase; letter-spacing:0.01em;}
.portfolio-item p{margin:8px 0 0; color:var(--ink-dim); font-size:0.85rem;}

/* ---------- CTA ---------- */
#cta{text-align:left;}
#cta h2{font-size:clamp(2rem,4.4vw,3.2rem); text-transform:uppercase; letter-spacing:-0.01em;}
#cta .cta-sub{color:var(--ink-dim); font-size:1.05rem; margin:18px 0 30px; max-width:52ch;}

/* ---------- Footer ---------- */
footer{border-top:1px solid var(--line); padding:44px 0; }
.foot-grid{display:flex; flex-wrap:wrap; justify-content:space-between; gap:24px; font-size:0.85rem; color:var(--ink-dim);}
.foot-links{display:flex; flex-wrap:wrap; gap:22px; list-style:none; margin:0; padding:0;}
.foot-links a{text-decoration:none; color:var(--ink-dim);}
.foot-links a:hover{color:var(--ink);}

@media (prefers-reduced-motion:reduce){
  .reveal{transition:none; opacity:1; transform:none;}
  .btn-primary:hover{transform:none;}
}

/* ---------- Case studies index/detail pages ---------- */
.case-list{display:flex; flex-direction:column; gap:1px; background:var(--line); border:1px solid var(--line);}
.case-list-item{
  background:var(--bg-raised); padding:32px;
  display:grid; grid-template-columns:1fr; gap:14px;
  text-decoration:none; color:inherit;
  transition:background .15s ease;
}
.case-list-item:hover{background:var(--bg-raised-2);}
@media (min-width:760px){.case-list-item{grid-template-columns:200px 1fr; align-items:start;}}
.case-list-item .cl-name{font-family:var(--display); font-weight:800; font-size:1.2rem;}
.case-list-item .cl-name span{display:block; font-family:var(--mono); font-weight:400; font-size:0.72rem; letter-spacing:0.08em; color:var(--accent); text-transform:uppercase; margin-bottom:8px;}
.case-list-item p{margin:0; color:var(--ink-dim); font-size:0.93rem;}

.case-hero{padding:56px 0 40px;}
.case-hero .eyebrow{margin-bottom:14px; display:block;}
.case-hero h1{font-size:clamp(2rem,4.4vw,3rem); text-transform:none; letter-spacing:-0.01em; max-width:24ch;}
.case-hero .case-meta{margin-top:18px; color:var(--ink-dim); font-size:1.02rem; max-width:60ch;}
.case-links{display:flex; flex-wrap:wrap; gap:14px; margin-top:28px;}

.article-grid{display:grid; grid-template-columns:1fr; gap:36px;}
@media (min-width:840px){.article-grid{grid-template-columns:repeat(3,1fr);}}
.article-grid .col span{font-family:var(--mono); font-size:0.7rem; letter-spacing:0.1em; color:var(--accent-2); text-transform:uppercase;}
.article-grid .col h4{margin:10px 0 10px; font-size:1.1rem; font-weight:700;}
.article-grid .col p{margin:0 0 10px; color:var(--ink-dim); font-size:0.95rem;}

.result-strip{display:flex; flex-wrap:wrap; gap:1px; background:var(--line); border:1px solid var(--line);}
.result-item{flex:1 1 180px; background:var(--bg-raised); padding:26px; text-align:left;}
.result-item .r-num{font-family:var(--display); font-weight:800; font-size:1.7rem; color:var(--accent);}
.result-item .r-label{display:block; margin-top:6px; color:var(--ink-dim); font-size:0.85rem;}