/* ============================================================
   Monocore Labs — production site
   Shared design system · dark cinematic
   Palette / type / hexmark ported from the websitev2 showcase
   ============================================================ */

:root{
  --core:#0D0F14;
  --deep:#111827;
  --panel:#161C28;
  --panel-2:#1B2230;
  --blue:#3D5AFE;
  --blue-bright:#5b78ff;
  --cyan:#00C2FF;
  --green:#00D26A;
  --steel:#5F6675;
  --light-steel:#F2F4F7;
  --text:#ECEEF2;
  --text-dim:#8C94A6;
  --hair:rgba(255,255,255,.085);
  --hair-2:rgba(255,255,255,.16);
  --ease:cubic-bezier(.16,.84,.30,1);
  --maxw:1240px;
  --nav-h:72px;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  background:var(--core);
  color:var(--text);
  font-family:'Inter',system-ui,sans-serif;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  line-height:1.5;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
::selection{background:rgba(61,90,254,.35);color:#fff}

/* ---------- atmosphere (fixed layers) ---------- */
.bg-grid{
  position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.020) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.020) 1px,transparent 1px);
  background-size:48px 48px;
  mask-image:radial-gradient(ellipse 100% 80% at 50% 0%,#000 30%,transparent 90%);
}
.bg-glow{
  position:fixed;inset:0;z-index:0;pointer-events:none;
  background:radial-gradient(circle 46vw at 78% 8%,rgba(61,90,254,.16),transparent 58%);
}
.bg-vignette{
  position:fixed;inset:0;z-index:0;pointer-events:none;
  background:radial-gradient(ellipse 120% 120% at 50% 40%,transparent 58%,rgba(0,0,0,.5));
}

/* ---------- layout shell ---------- */
.wrap{width:100%;max-width:var(--maxw);margin:0 auto;
  padding-left:clamp(20px,5vw,48px);padding-right:clamp(20px,5vw,48px)}
main{position:relative;z-index:1}
.section{padding:clamp(72px,11vh,140px) 0;position:relative}
.section.tight{padding:clamp(54px,7vh,90px) 0}

/* ============================================================
   NAVIGATION
   ============================================================ */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:50;height:var(--nav-h);
  display:flex;align-items:center;
  background:rgba(13,15,20,.72);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  border-bottom:1px solid transparent;
  transition:border-color .3s var(--ease),background .3s var(--ease);
}
.nav.scrolled{border-bottom-color:var(--hair);background:rgba(13,15,20,.9)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;width:100%}
.brand{display:flex;align-items:center;gap:12px}
.brand .hexmark{width:26px;height:26px;color:#fff;flex:none}
.brand .wordmark{font-family:'Space Grotesk',sans-serif;font-weight:600;
  font-size:17px;letter-spacing:-.01em;color:var(--text)}
.brand .wordmark .ac{color:var(--blue-bright)}
.nav-links{display:flex;align-items:center;gap:clamp(8px,1.6vw,30px)}
.nav-link{font-size:14px;font-weight:500;color:var(--text-dim);
  letter-spacing:.005em;padding:8px 2px;position:relative;
  transition:color .2s var(--ease)}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1.5px;
  background:var(--blue);transform:scaleX(0);transform-origin:left;
  transition:transform .28s var(--ease)}
.nav-link:hover{color:var(--text)}
.nav-link.active{color:var(--text)}
.nav-link.active::after{transform:scaleX(1)}
.nav-cta{margin-left:6px}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--hair-2);
  border-radius:9px;background:var(--panel);color:var(--text);
  align-items:center;justify-content:center;cursor:pointer;flex:none}
.nav-toggle svg{width:20px;height:20px}

/* mobile sheet */
.mobile-menu{position:fixed;inset:var(--nav-h) 0 0;z-index:49;
  background:rgba(13,15,20,.98);backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  display:flex;flex-direction:column;padding:clamp(24px,5vw,40px);gap:6px;
  transform:translateY(-8px);opacity:0;pointer-events:none;
  transition:.32s var(--ease)}
.mobile-menu.open{transform:translateY(0);opacity:1;pointer-events:auto}
.mobile-menu a{font-family:'Space Grotesk',sans-serif;font-weight:500;
  font-size:26px;color:var(--text-dim);padding:16px 0;
  border-bottom:1px solid var(--hair);display:flex;justify-content:space-between;align-items:center}
.mobile-menu a.active{color:var(--text)}
.mobile-menu a .ix{font-family:'JetBrains Mono',monospace;font-size:12px;color:var(--steel)}
.mobile-menu .btn{margin-top:24px;justify-content:center;font-size:16px;padding:16px}

/* ============================================================
   TYPE
   ============================================================ */
.eyebrow{
  font-family:'JetBrains Mono',monospace;
  font-size:clamp(11px,.85vw,12.5px);letter-spacing:.3em;
  text-transform:uppercase;color:var(--blue-bright);
  display:flex;align-items:center;gap:13px;margin-bottom:clamp(18px,2.6vh,28px)}
.eyebrow::before{content:"";width:clamp(26px,3vw,42px);height:1.5px;
  background:linear-gradient(90deg,var(--blue),transparent);flex:none}
.eyebrow.center{justify-content:center}
.eyebrow.center::after{content:"";width:clamp(26px,3vw,42px);height:1.5px;
  background:linear-gradient(270deg,var(--blue),transparent);flex:none}

.display{font-family:'Space Grotesk',sans-serif;font-weight:700;
  letter-spacing:-.035em;line-height:.98;color:#fff;
  font-size:clamp(44px,7vw,104px)}
h1.title,h2.title,h3.title{
  font-family:'Space Grotesk',sans-serif;font-weight:600;
  letter-spacing:-.022em;line-height:1.05;color:var(--light-steel)}
h1.title{font-size:clamp(40px,5.4vw,80px)}
h2.title{font-size:clamp(32px,4.4vw,60px)}
h3.title{font-size:clamp(22px,2vw,30px)}
.hl{color:var(--blue-bright)}
.lead{font-size:clamp(16px,1.3vw,21px);line-height:1.62;
  color:var(--text-dim);max-width:54ch;font-weight:400}
.lead.narrow{max-width:38ch}
.accent-rule{height:3px;width:clamp(52px,7vw,100px);
  background:linear-gradient(90deg,var(--blue),var(--cyan));
  border-radius:2px;margin:clamp(18px,3vh,30px) 0}
.mono-note{font-family:'JetBrains Mono',monospace;font-size:12px;
  letter-spacing:.12em;text-transform:uppercase;color:var(--steel)}

/* ---------- hexmark ---------- */
.hexmark{display:block}
.hx-ring{fill:none;stroke:currentColor;stroke-width:4.4;
  stroke-linejoin:round;opacity:.5}
.hx-top{fill:#5b79ff}
.hx-right{fill:#3D5AFE}
.hx-left{fill:#2536a8}
.hx-cube{filter:drop-shadow(0 0 7px rgba(61,90,254,.55))}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn{font-family:'Space Grotesk',sans-serif;font-weight:500;
  font-size:14px;letter-spacing:.01em;padding:13px 22px;
  border:1px solid var(--hair-2);border-radius:10px;
  background:var(--panel);color:var(--text);cursor:pointer;
  display:inline-flex;align-items:center;gap:10px;
  transition:.24s var(--ease)}
.btn:hover{border-color:var(--blue);color:var(--blue-bright);
  background:var(--panel-2);transform:translateY(-2px)}
.btn svg{width:15px;height:15px;flex:none}
.btn.primary{border-color:var(--blue);background:rgba(61,90,254,.14);
  color:var(--blue-bright)}
.btn.primary:hover{background:rgba(61,90,254,.24);
  box-shadow:0 0 26px rgba(61,90,254,.32)}
.btn.ghost{background:transparent}
.btn-row{display:flex;gap:13px;flex-wrap:wrap;margin-top:clamp(28px,4vh,40px)}
.textlink{display:inline-flex;align-items:center;gap:9px;
  font-family:'Space Grotesk',sans-serif;font-weight:500;
  color:var(--blue-bright);transition:gap .24s var(--ease),color .24s var(--ease)}
.textlink svg{width:15px;height:15px}
.textlink:hover{gap:14px;color:#fff}

/* ============================================================
   CARDS / PANELS
   ============================================================ */
.card{border:1px solid var(--hair);border-radius:14px;
  background:linear-gradient(160deg,var(--panel),rgba(13,15,20,.3));
  padding:clamp(22px,2.4vw,34px);position:relative;overflow:hidden;
  display:flex;flex-direction:column;transition:.28s var(--ease)}
.card.bar::after{content:"";position:absolute;left:0;top:0;width:100%;height:3px;
  background:linear-gradient(90deg,var(--blue),transparent)}
.card.linkable{cursor:pointer}
.card.linkable:hover{border-color:var(--hair-2);transform:translateY(-4px);
  background:linear-gradient(160deg,var(--panel-2),rgba(13,15,20,.35))}
.card .ix{font-family:'JetBrains Mono',monospace;font-size:11px;
  color:var(--steel);letter-spacing:.18em}
.card .ic{width:38px;height:38px;color:var(--blue-bright)}
.card .ic svg{width:100%;height:100%}
.card h3{font-family:'Space Grotesk',sans-serif;font-weight:600;
  font-size:clamp(18px,1.5vw,22px);color:var(--light-steel);
  letter-spacing:-.01em;margin-bottom:9px}
.card p{font-size:14px;color:var(--text-dim);line-height:1.6}

/* generic grids */
.grid{display:grid;gap:clamp(16px,1.8vw,22px)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}

/* split layout */
.split{display:grid;grid-template-columns:1.1fr .9fr;
  gap:clamp(36px,5vw,84px);align-items:center}
.split.even{grid-template-columns:1fr 1fr}

/* chips / tech tokens */
.chips{display:flex;gap:11px;flex-wrap:wrap}
.chip{font-family:'JetBrains Mono',monospace;font-size:12px;
  letter-spacing:.08em;text-transform:uppercase;color:var(--text);
  padding:10px 15px;border:1px solid var(--hair-2);border-radius:8px;
  background:var(--panel);display:flex;align-items:center;gap:9px}
.chip.dot::before{content:"";width:6px;height:6px;border-radius:50%;
  background:var(--blue);box-shadow:0 0 8px var(--blue);flex:none}
.tech{font-family:'JetBrains Mono',monospace;font-size:12px;
  letter-spacing:.05em;color:var(--text);
  padding:7px 13px;border:1px solid var(--hair-2);border-radius:6px;
  background:rgba(13,15,20,.4)}

/* image placeholder */
.img-slot{position:relative;border:1px solid var(--hair-2);border-radius:12px;
  background-color:var(--panel);overflow:hidden;
  background-image:repeating-linear-gradient(135deg,
    rgba(255,255,255,.03) 0 10px,transparent 10px 20px);
  display:flex;align-items:center;justify-content:center;min-height:200px}
.img-slot span{font-family:'JetBrains Mono',monospace;font-size:11px;
  letter-spacing:.16em;text-transform:uppercase;color:var(--steel);
  text-align:center;padding:0 20px}

/* ============================================================
   HERO (shared, page-level)
   ============================================================ */
.hero{padding-top:calc(var(--nav-h) + clamp(56px,9vh,120px));
  padding-bottom:clamp(56px,9vh,110px);position:relative}
.hero .kicker{font-family:'JetBrains Mono',monospace;font-size:12.5px;
  letter-spacing:.3em;color:var(--blue-bright);text-transform:uppercase;
  margin-bottom:22px;display:flex;align-items:center;gap:13px}
.hero .kicker::before{content:"";width:40px;height:1.5px;background:var(--blue);flex:none}

/* page header (interior pages) */
.page-head{padding-top:calc(var(--nav-h) + clamp(48px,7vh,90px));
  padding-bottom:clamp(36px,5vh,60px)}

/* ============================================================
   STAT STRIP
   ============================================================ */
.stat-strip{display:grid;grid-template-columns:repeat(4,1fr);
  gap:clamp(18px,2.4vw,30px);border-top:1px solid var(--hair);
  border-bottom:1px solid var(--hair);padding:clamp(28px,4vh,42px) 0}
.stat b{display:block;font-family:'Space Grotesk',sans-serif;font-weight:600;
  font-size:clamp(28px,3vw,44px);color:#fff;letter-spacing:-.02em;
  font-variant-numeric:tabular-nums}
.stat span{font-family:'JetBrains Mono',monospace;font-size:11px;
  letter-spacing:.18em;text-transform:uppercase;color:var(--steel);
  margin-top:8px;display:block}

/* ============================================================
   CTA BAND
   ============================================================ */
.cta-band{border:1px solid var(--hair);border-radius:20px;overflow:hidden;
  background:linear-gradient(150deg,var(--panel-2),rgba(13,15,20,.5));
  padding:clamp(40px,6vw,72px);text-align:center;position:relative}
.cta-band::before{content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(circle 40vw at 50% -20%,rgba(61,90,254,.2),transparent 60%)}
.cta-band > *{position:relative}
.cta-band .hexmark{width:48px;height:48px;color:#fff;margin:0 auto 26px}

/* ============================================================
   FOOTER
   ============================================================ */
.footer{position:relative;z-index:1;border-top:1px solid var(--hair);
  background:rgba(13,15,20,.5);padding:clamp(56px,8vh,90px) 0 36px}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:clamp(28px,4vw,56px);padding-bottom:clamp(40px,6vh,64px);
  border-bottom:1px solid var(--hair)}
.footer-brand .brand{margin-bottom:18px}
.footer-brand p{font-size:14px;color:var(--text-dim);line-height:1.6;max-width:34ch}
.footer-col h4{font-family:'JetBrains Mono',monospace;font-size:11px;
  letter-spacing:.2em;text-transform:uppercase;color:var(--steel);margin-bottom:18px}
.footer-col a{display:block;font-size:14.5px;color:var(--text-dim);
  padding:7px 0;transition:color .2s var(--ease)}
.footer-col a:hover{color:var(--blue-bright)}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;
  flex-wrap:wrap;gap:16px;padding-top:30px;
  font-family:'JetBrains Mono',monospace;font-size:11.5px;
  letter-spacing:.13em;text-transform:uppercase;color:var(--steel)}
.footer-bottom .status{color:var(--blue-bright);display:flex;align-items:center;gap:8px}
.footer-bottom .status::before{content:"";width:6px;height:6px;border-radius:50%;
  background:var(--green);box-shadow:0 0 9px var(--green)}

/* ============================================================
   REVEAL ANIMATIONS
   ============================================================ */
.r{opacity:0;transform:translateY(24px);
  transition:opacity .7s var(--ease),transform .7s var(--ease);transition-delay:var(--d,0s)}
.r-fade{opacity:0;transition:opacity .85s var(--ease);transition-delay:var(--d,0s)}
.r-scale{opacity:0;transform:scale(.95);
  transition:opacity .9s var(--ease),transform .9s var(--ease);transition-delay:var(--d,0s)}
.shown .r,.r.shown{opacity:1;transform:translateY(0)}
.shown .r-fade,.r-fade.shown{opacity:1}
.shown .r-scale,.r-scale.shown{opacity:1;transform:scale(1)}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width:1080px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .split,.split.even{grid-template-columns:1fr;gap:36px}
  .footer-top{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:820px){
  .nav-links{display:none}
  .nav-toggle{display:flex}
  .stat-strip{grid-template-columns:1fr 1fr;gap:28px 18px}
}
@media (max-width:600px){
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr 1fr}
  .footer-brand{grid-column:1/-1}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .r,.r-fade,.r-scale{opacity:1!important;transform:none!important;transition:none!important}
}