:root{
  --ink:#14171C;
  --ink-soft:#1C2024;
  --paper:#EEF1EC;
  --paper-dim:#E3E7DF;
  --brass:#B08A4E;
  --brass-deep:#8C6C39;
  --slate:#4B5A6B;
  --line:#D3D7CD;
  --line-on-ink:rgba(238,241,236,0.16);
  --max:1180px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:'Newsreader', Georgia, serif;
  font-size:17px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,.wordmark,nav a,.btn-link,.tag,.fact-strip,.card-name,.status,.back-link{
  font-family:'Bricolage Grotesque', 'Segoe UI', sans-serif;
}
h1,h2,h3{margin:0; font-weight:600; letter-spacing:-0.01em;}
p{margin:0;}
a{color:inherit;}
img,svg{display:block; max-width:100%;}
.wrap{max-width:var(--max); margin:0 auto; padding:0 32px;}

@media (prefers-reduced-motion: reduce){
  *{animation-duration:0.01ms !important; animation-iteration-count:1 !important; transition-duration:0.01ms !important;}
}

/* ---------- Header ---------- */
header{
  position:sticky; top:0; z-index:50;
  background:rgba(238,241,236,0.9);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex; align-items:center; justify-content:space-between;
  padding:20px 0;
}
.brand{display:flex; align-items:center; gap:14px; text-decoration:none; color:var(--ink);}
.mark{width:30px; height:30px; flex:none;}
.mark path,.mark circle{stroke:currentColor;}
.wordmark-group{display:flex; align-items:baseline; gap:10px;}
.wordmark{font-weight:600; font-size:16px; letter-spacing:0.05em;}
.lab-suffix{width:1px; height:14px; background:var(--line); display:inline-block;}
.sub-word{font-size:12px; letter-spacing:0.08em; color:var(--slate); font-weight:500;}

nav{display:flex; align-items:center; gap:36px;}
nav a{
  font-size:14.5px; font-weight:500; text-decoration:none; color:var(--ink-soft);
  position:relative; padding-bottom:3px;
}
nav a::after{
  content:''; position:absolute; left:0; right:0; bottom:0; height:1px;
  background:var(--brass); transform:scaleX(0); transform-origin:left;
  transition:transform 0.25s ease;
}
nav a:hover::after,nav a.active::after{transform:scaleX(1);}

.nav-toggle{display:none; background:none; border:1px solid var(--line); border-radius:2px; padding:8px 10px; cursor:pointer;}
.nav-toggle span{display:block; width:18px; height:2px; background:var(--ink); margin:3px 0;}

@media (max-width:820px){
  nav{
    position:absolute; top:100%; left:0; right:0;
    flex-direction:column; align-items:flex-start; gap:0;
    background:var(--paper); border-bottom:1px solid var(--line);
    max-height:0; overflow:hidden; transition:max-height 0.3s ease;
  }
  nav.open{max-height:320px;}
  nav a{width:100%; padding:16px 32px; border-top:1px solid var(--line);}
  nav a::after{display:none;}
  .nav-toggle{display:inline-block;}
}

/* ---------- Hero (home) ---------- */
.hero{padding:96px 0 88px;}
.hero-grid{display:grid; grid-template-columns:1.15fr 0.85fr; gap:64px; align-items:center;}
.eyebrow-note{font-size:14px; color:var(--slate); font-family:'Bricolage Grotesque',sans-serif; margin-bottom:22px;}
h1.headline{
  font-size:clamp(34px,4.6vw,54px);
  line-height:1.12;
  max-width:14ch;
  margin-bottom:28px;
}
.hero-sub{
  font-size:19px; max-width:46ch; color:var(--ink-soft); margin-bottom:34px;
}
.hero-links{display:flex; gap:32px; flex-wrap:wrap;}
.btn-link{
  font-size:14.5px; font-weight:600; text-decoration:none; color:var(--ink);
  border-bottom:1px solid var(--ink); padding-bottom:4px;
}
.btn-link.brass{color:var(--brass-deep); border-bottom-color:var(--brass);}
.btn-link.ghost{color:var(--slate); border-bottom-color:var(--line);}

.hero-diagram{position:relative;}
.diagram-caption{
  display:flex; justify-content:space-between; margin-top:14px;
  font-family:'Bricolage Grotesque',sans-serif; font-size:12.5px; color:var(--slate);
}

@media (max-width:900px){
  .hero-grid{grid-template-columns:1fr; gap:48px;}
  .hero{padding:56px 0 64px;}
}

/* ---------- Page hero (subpages) ---------- */
.back-link{
  display:inline-block; font-size:13.5px; color:var(--slate); text-decoration:none;
  margin-bottom:28px; border-bottom:1px solid var(--line); padding-bottom:2px;
}
.back-link:hover{color:var(--brass-deep); border-bottom-color:var(--brass);}
.page-hero{padding:72px 0 60px; border-bottom:1px solid var(--line);}
.page-hero .status{margin-bottom:18px;}
.page-hero h1{font-size:clamp(30px,4.2vw,46px); max-width:16ch; margin-bottom:20px;}
.page-hero .sub{font-size:18px; color:var(--ink-soft); max-width:52ch;}
.page-hero .meta-row{display:flex; gap:28px; flex-wrap:wrap; margin-top:28px; font-family:'Bricolage Grotesque',sans-serif; font-size:13px; color:var(--slate);}

.section-block{padding:72px 0; border-bottom:1px solid var(--line);}
.section-block:last-of-type{border-bottom:none;}
.section-block h2{font-size:clamp(24px,3vw,30px); max-width:18ch; margin-bottom:28px;}
.section-block .lede{font-size:17px; color:var(--ink-soft); max-width:60ch; margin-bottom:32px;}

.feature-list{list-style:none; padding:0; margin:0; display:grid; gap:20px; max-width:64ch;}
.feature-list li{padding-left:24px; position:relative; font-size:16.5px; color:var(--ink-soft);}
.feature-list li::before{content:''; position:absolute; left:0; top:10px; width:9px; height:1.5px; background:var(--brass);}
.feature-list li strong{color:var(--ink); font-weight:600;}

.callout{background:var(--paper-dim); border-left:3px solid var(--brass); padding:26px 30px; margin:8px 0 0; max-width:60ch; font-size:16px; color:var(--ink-soft);}

.cta-row{display:flex; gap:32px; flex-wrap:wrap; margin-top:8px;}

/* ---------- Philosophy (dark) ---------- */
.philosophy{background:var(--ink); color:var(--paper); padding:96px 0;}
.philosophy h1,.philosophy h2{color:var(--paper);}
.philosophy h2{font-size:clamp(28px,3.6vw,38px); max-width:16ch; margin-bottom:16px;}
.philosophy .lede{
  font-family:'Newsreader',serif; font-size:18px; color:#B9C0BC; max-width:56ch; margin-bottom:56px;
}
.principles{border-top:1px solid var(--line-on-ink);}
.principle{
  display:grid; grid-template-columns:280px 1fr; gap:40px;
  padding:36px 0; border-bottom:1px solid var(--line-on-ink);
}
.principle h3{font-size:20px; color:var(--paper); font-weight:600;}
.principle p{color:#C4CAC6; max-width:58ch; font-size:16.5px;}
@media (max-width:720px){
  .principle{grid-template-columns:1fr; gap:10px;}
}
.philosophy-closing{padding-top:56px;}
.philosophy-closing p{color:#C4CAC6; max-width:58ch; font-size:17px;}

/* ---------- Portfolio ---------- */
.portfolio{padding:100px 0;}
.section-head{display:flex; justify-content:space-between; align-items:flex-end; gap:24px; margin-bottom:56px; flex-wrap:wrap;}
.section-head h2{font-size:clamp(28px,3.6vw,36px); max-width:14ch;}
.section-head .desc{max-width:36ch; color:var(--slate); font-family:'Bricolage Grotesque',sans-serif; font-size:14.5px; line-height:1.55;}

.product-feature{
  display:grid; grid-template-columns:0.9fr 1.1fr; gap:56px; align-items:center;
  padding:56px 0; border-top:1px solid var(--line);
}
.product-feature:nth-of-type(even) .art{order:2;}
.product-feature .status{
  display:inline-block; font-size:11.5px; letter-spacing:0.06em; color:var(--brass-deep);
  background:rgba(176,138,78,0.12); padding:4px 9px; border-radius:2px; margin-bottom:16px; font-weight:600;
}
.status.dev{color:var(--slate); background:rgba(75,90,107,0.1);}
.status.soon{color:var(--ink-soft); background:transparent; border:1px dashed var(--brass);}
.product-feature h3{font-size:26px; margin-bottom:14px;}
.product-feature h3 a{text-decoration:none; color:inherit; border-bottom:1px solid transparent;}
.product-feature h3 a:hover{border-bottom-color:var(--brass);}
.product-feature p.desc-p{color:var(--ink-soft); font-size:16.5px; max-width:48ch; margin-bottom:18px;}
.product-feature .meta{font-family:'Bricolage Grotesque',sans-serif; font-size:13px; color:var(--slate);}
.product-feature .meta a{color:var(--slate); text-decoration:none; border-bottom:1px solid var(--line);}
.art{background:var(--paper-dim); border:1px solid var(--line); aspect-ratio:4/3; display:flex; align-items:center; justify-content:center; padding:28px;}

@media (max-width:820px){
  .product-feature, .product-feature:nth-of-type(even){grid-template-columns:1fr;}
  .product-feature:nth-of-type(even) .art{order:0;}
}

.lab-row{margin-top:36px;}
.lab-row > p.label{font-family:'Bricolage Grotesque',sans-serif; font-size:14px; color:var(--slate); margin-bottom:24px;}
.lab-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:28px;}
.lab-card{position:relative; padding:26px 22px 24px; text-decoration:none; color:inherit; display:block;}
.lab-card::before,.lab-card::after{
  content:''; position:absolute; width:16px; height:16px; border-color:var(--ink); border-style:solid; opacity:0.55;
}
.lab-card::before{top:0; left:0; border-width:1.5px 0 0 1.5px;}
.lab-card::after{bottom:0; right:0; border-width:0 1.5px 1.5px 0;}
.lab-card .card-name{font-size:16.5px; font-weight:600; margin-bottom:10px;}
.lab-card p{font-size:14.5px; color:var(--ink-soft); margin-bottom:16px;}
.lab-card .status{font-size:11px; color:var(--slate); font-family:'Bricolage Grotesque',sans-serif; letter-spacing:0.04em;}

@media (max-width:820px){
  .lab-grid{grid-template-columns:1fr; gap:24px;}
}

/* ---------- About ---------- */
.about{background:var(--paper-dim); padding:96px 0;}
.about-grid{display:grid; grid-template-columns:1fr 0.7fr; gap:56px;}
.about h1,.about h2{font-size:clamp(26px,3.2vw,32px); max-width:16ch; margin-bottom:22px;}
.about p{font-size:17.5px; color:var(--ink-soft); max-width:52ch;}
.about p + p{margin-top:18px;}
.fact-strip{display:flex; flex-direction:column; gap:18px; padding-left:28px; border-left:1px solid var(--line);}
.fact-strip .fact{font-size:14px;}
.fact-strip .fact .k{display:block; color:var(--slate); font-size:12px; letter-spacing:0.04em; margin-bottom:4px;}
.fact-strip .fact .v{font-weight:600;}
@media (max-width:820px){
  .about-grid{grid-template-columns:1fr; gap:36px;}
  .fact-strip{border-left:none; padding-left:0; border-top:1px solid var(--line); padding-top:24px; flex-direction:row; flex-wrap:wrap; gap:32px;}
}

.values-grid{display:grid; grid-template-columns:repeat(2,1fr); gap:32px 48px; margin-top:48px;}
.values-grid .value h3{font-size:17px; margin-bottom:10px;}
.values-grid .value p{font-size:15.5px; color:var(--ink-soft);}
@media (max-width:720px){.values-grid{grid-template-columns:1fr;}}

/* ---------- Contact ---------- */
.contact-grid{display:grid; grid-template-columns:1fr 1fr; gap:48px; margin-top:8px;}
.contact-card{border-top:1px solid var(--line); padding-top:24px;}
.contact-card h3{font-size:18px; margin-bottom:10px;}
.contact-card p{color:var(--ink-soft); font-size:15.5px; margin-bottom:14px;}
.contact-card a.email{
  font-family:'Bricolage Grotesque',sans-serif; color:var(--brass-deep); text-decoration:none;
  font-weight:600; border-bottom:1px solid var(--brass); padding-bottom:2px; font-size:15px;
}
@media (max-width:720px){.contact-grid{grid-template-columns:1fr;}}

/* ---------- Footer ---------- */
footer{background:var(--ink); color:var(--paper); padding:56px 0 32px;}
.footer-top{display:flex; justify-content:space-between; align-items:flex-start; gap:32px; flex-wrap:wrap; padding-bottom:40px; border-bottom:1px solid var(--line-on-ink); margin-bottom:24px;}
footer .brand{color:var(--paper);}
.footer-links{display:flex; gap:40px; flex-wrap:wrap;}
.footer-col h4{font-size:12.5px; letter-spacing:0.05em; color:#9AA29D; margin-bottom:14px; font-weight:500; font-family:'Bricolage Grotesque',sans-serif;}
.footer-col a{display:block; font-size:14.5px; color:#D8DCD6; text-decoration:none; margin-bottom:10px; font-family:'Bricolage Grotesque',sans-serif;}
.footer-col a:hover{color:var(--brass);}
.footer-bottom{display:flex; justify-content:space-between; flex-wrap:wrap; gap:12px; font-size:12.5px; color:#8A928D; font-family:'Bricolage Grotesque',sans-serif;}

/* boundary diagram animation */
.pulse-dot{animation:travel 3.2s ease-in-out 0.4s infinite;}
@keyframes travel{
  0%{transform:translateX(0);}
  40%{transform:translateX(38px);}
  55%{transform:translateX(38px);}
  100%{transform:translateX(0);}
}