:root{
  --ink:#10131f;
  --panel:#171b2c;
  --panel-border:#262c44;
  --ivory:#edeae2;
  --slate:#9aa0b4;
  --teal:#4fd8c4;
  --gold:#e8b24d;
}
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  background:var(--ink);
  color:var(--ivory);
  font-family:'IBM Plex Sans',sans-serif;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;}
.wrap{max-width:1120px;margin:0 auto;padding:0 28px;}
.mono{font-family:'IBM Plex Mono',monospace;}
.eyebrow{
  font-family:'IBM Plex Mono',monospace;
  font-size:13px;
  letter-spacing:.04em;
  color:var(--teal);
  display:inline-flex;
  align-items:center;
  gap:8px;
}
.eyebrow::before{content:"";width:6px;height:6px;background:var(--teal);border-radius:50%;display:inline-block;}
h1,h2,h3{font-family:'Space Grotesk',sans-serif;font-weight:600;letter-spacing:-0.01em;}

header{
  position:sticky;top:0;z-index:50;
  background:rgba(16,19,31,.85);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--panel-border);
}
nav{
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 0;
}
.logo{font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:19px;letter-spacing:-0.01em;text-decoration:none;display:inline-flex;align-items:center;gap:9px;}
.logo .accent{color:var(--teal);}
.logo-mark{height:26px;width:auto;display:block;border-radius:3px;}
.navlinks{display:flex;gap:32px;list-style:none;font-size:15px;}
.navlinks a{text-decoration:none;color:var(--slate);transition:color .15s;}
.navlinks a:hover, .navlinks a:focus-visible{color:var(--ivory);}
.navlinks a:focus-visible{outline:2px solid var(--teal);outline-offset:4px;border-radius:2px;}
.btn{
  font-family:'IBM Plex Mono',monospace;
  font-size:14px;
  padding:10px 18px;
  border-radius:6px;
  text-decoration:none;
  border:1px solid var(--teal);
  color:var(--ink);
  background:var(--teal);
  display:inline-block;
  transition:opacity .15s, transform .15s;
}
.btn:hover{opacity:.88;transform:translateY(-1px);}
.btn:focus-visible{outline:2px solid var(--gold);outline-offset:3px;}
.btn-ghost{background:transparent;color:var(--ivory);border:1px solid var(--panel-border);}

.section{padding:96px 0;}
.section-head{max-width:600px;margin-bottom:56px;}
.section-head h2{font-size:clamp(26px,3vw,36px);margin-top:14px;}
.section-head p{color:var(--slate);margin-top:14px;font-size:16px;}

/* Hero */
.hero{padding:96px 0 88px;}
.hero-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:56px;align-items:center;}
.hero h1{font-size:clamp(34px,4.6vw,54px);line-height:1.08;margin:20px 0 22px;}
.hero h1 em{font-style:normal;color:var(--teal);}
.hero p{color:var(--slate);font-size:17px;max-width:480px;margin-bottom:32px;}
.hero-ctas{display:flex;gap:14px;flex-wrap:wrap;}
.graph-wrap{position:relative;}
#mesh{width:100%;height:auto;}
.node{fill:var(--panel);stroke:var(--panel-border);stroke-width:1.5;}
.node.active{fill:var(--teal);stroke:var(--teal);}
.node.identity{fill:var(--gold);stroke:var(--gold);}
.edge{stroke:var(--panel-border);stroke-width:1;}
@keyframes pulse{0%,100%{opacity:.35;}50%{opacity:1;}}
.pulseline{animation:pulse 3.2s ease-in-out infinite;}
.pulseline:nth-child(3n){animation-delay:.6s;}
.pulseline:nth-child(4n){animation-delay:1.3s;}
@media (prefers-reduced-motion: reduce){.pulseline{animation:none;opacity:.7;}}

/* Trust strip */
.strip{border-top:1px solid var(--panel-border);border-bottom:1px solid var(--panel-border);padding:22px 0;}
.strip .wrap{display:flex;gap:40px;flex-wrap:wrap;color:var(--slate);font-family:'IBM Plex Mono',monospace;font-size:13px;}

/* Service cards (used on services.html) */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.cards.cols-2{grid-template-columns:repeat(2,1fr);}
.card{background:var(--panel);border:1px solid var(--panel-border);border-radius:10px;padding:30px 26px;transition:border-color .15s, transform .15s;}
.card:hover{border-color:var(--teal);transform:translateY(-3px);}
.card .tag{font-family:'IBM Plex Mono',monospace;font-size:12.5px;color:var(--teal);display:block;margin-bottom:16px;}
.card h3{font-size:20px;margin-bottom:10px;}
.card p{color:var(--slate);font-size:14.5px;margin-bottom:18px;}
.card ul{list-style:none;font-size:13.5px;color:var(--slate);font-family:'IBM Plex Mono',monospace;}
.card li{padding:4px 0;border-top:1px solid var(--panel-border);}
.card li:first-child{border-top:none;}

/* Pillar summary (homepage) */
.pillars{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.pillar{background:var(--panel);border:1px solid var(--panel-border);border-radius:12px;padding:36px;}
.pillar .tag{font-family:'IBM Plex Mono',monospace;font-size:12.5px;color:var(--teal);display:block;margin-bottom:14px;}
.pillar h3{font-size:24px;margin-bottom:12px;}
.pillar p{color:var(--slate);font-size:15px;margin-bottom:22px;}
.chip-list{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:24px;}
.chip{
  font-family:'IBM Plex Mono',monospace;font-size:12.5px;color:var(--ivory);
  border:1px solid var(--panel-border);border-radius:20px;padding:6px 14px;
}
.pillar-link{
  font-family:'IBM Plex Mono',monospace;font-size:14px;color:var(--teal);
  text-decoration:none;display:inline-flex;align-items:center;gap:6px;
}
.pillar-link:hover{text-decoration:underline;}

/* Services page groups */
.service-group{margin-bottom:72px;}
.service-group:last-child{margin-bottom:0;}
.service-group-head{display:flex;align-items:baseline;gap:16px;margin-bottom:32px;flex-wrap:wrap;}
.service-group-head h2{font-size:clamp(24px,3vw,32px);}
.service-group-head p{color:var(--slate);font-size:15px;}

/* About page */
.about-grid{display:grid;grid-template-columns:0.9fr 1.1fr;gap:56px;align-items:center;}
.about-mark{font-family:'Space Grotesk',sans-serif;font-size:15vw;line-height:0.8;color:var(--panel);-webkit-text-stroke:1px var(--panel-border);user-select:none;}
.about blockquote{font-family:'Space Grotesk',sans-serif;font-size:clamp(22px,2.6vw,30px);line-height:1.35;font-weight:500;}
.about blockquote span{color:var(--teal);}
.about cite{display:block;margin-top:24px;font-style:normal;color:var(--slate);font-family:'IBM Plex Mono',monospace;font-size:13.5px;}

.value-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:16px;}
.value-grid .card h3{font-size:17px;}

/* CTA band */
.cta-band{background:var(--panel);border:1px solid var(--panel-border);border-radius:14px;padding:56px;display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap;}
.cta-band h2{font-size:clamp(22px,2.8vw,30px);max-width:480px;}

/* 404 page */
.error-page{padding:140px 0;text-align:center;}
.error-code{font-family:'Space Grotesk',sans-serif;font-size:clamp(60px,12vw,140px);color:var(--panel);-webkit-text-stroke:1.5px var(--panel-border);line-height:1;}
.error-page h1{font-size:clamp(22px,3vw,30px);margin:16px 0 12px;}
.error-page p{color:var(--slate);margin-bottom:28px;}

@media (max-width: 860px){
  .hero-grid{grid-template-columns:1fr;}
  .cards{grid-template-columns:1fr;}
  .cards.cols-2{grid-template-columns:1fr;}
  .pillars{grid-template-columns:1fr;}
  .value-grid{grid-template-columns:1fr;}
  .about-grid{grid-template-columns:1fr;}
  .about-mark{display:none;}
}

footer{
  border-top:1px solid var(--panel-border);
  padding:40px 0;
  color:var(--slate);
  font-size:13.5px;
}
footer .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:16px;}
footer a{text-decoration:none;color:var(--slate);}
footer a:hover{color:var(--ivory);}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
}

/* ---- Blog index ---- */
.post-list{list-style:none;border-top:1px solid var(--panel-border);}
.post-list li{
  border-bottom:1px solid var(--panel-border);
  padding:28px 0;
  display:flex;
  justify-content:space-between;
  align-items:baseline;
  gap:24px;
  flex-wrap:wrap;
}
.post-list a{text-decoration:none;}
.post-list h3{font-size:19px;transition:color .15s;}
.post-list a:hover h3{color:var(--teal);}
.post-list time{
  font-family:'IBM Plex Mono',monospace;
  font-size:13px;
  color:var(--slate);
  white-space:nowrap;
}
.post-list p{color:var(--slate);font-size:14.5px;margin-top:6px;max-width:600px;}
.empty-state{color:var(--slate);padding:40px 0;font-family:'IBM Plex Mono',monospace;font-size:14px;}

/* ---- Blog post / article ---- */
.post-header{max-width:720px;margin:0 auto 48px;}
.post-header h1{font-size:clamp(28px,4vw,42px);margin-top:16px;line-height:1.15;}
.post-meta{
  font-family:'IBM Plex Mono',monospace;
  font-size:13px;
  color:var(--slate);
  margin-top:16px;
}
.prose{max-width:720px;margin:0 auto;font-size:17px;}
.prose > * + *{margin-top:1.2em;}
.prose h2{font-size:24px;margin-top:2em;}
.prose h3{font-size:19px;margin-top:1.6em;}
.prose p{color:var(--ivory);}
.prose a{color:var(--teal);text-underline-offset:3px;}
.prose ul,.prose ol{padding-left:1.4em;color:var(--ivory);}
.prose li + li{margin-top:.4em;}
.prose blockquote{
  border-left:2px solid var(--teal);
  padding-left:20px;
  color:var(--slate);
  font-style:italic;
}
.prose code{
  font-family:'IBM Plex Mono',monospace;
  background:var(--panel);
  border:1px solid var(--panel-border);
  padding:2px 6px;
  border-radius:4px;
  font-size:.9em;
}
.prose pre{
  background:var(--panel);
  border:1px solid var(--panel-border);
  border-radius:8px;
  padding:18px 20px;
  overflow-x:auto;
}
.prose pre code{background:none;border:none;padding:0;}
.prose img{max-width:100%;border-radius:8px;border:1px solid var(--panel-border);}
.post-footer{
  max-width:720px;margin:64px auto 0;
  border-top:1px solid var(--panel-border);
  padding-top:32px;
}

@media (max-width: 860px){
  .navlinks{display:none;}
}