/* ============================================================
   PROJECT RESEARCH LLC — global stylesheet
   Palette derived from the corporate mark: cobalt tetrahedron,
   cyan "eye" rings, cream ground.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Chakra+Petch:wght@400;500;600;700&family=Cinzel:wght@500;600;700&family=Space+Grotesk:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;700&display=swap');

:root{
  --void:#060A16;
  --void-2:#080E20;
  --panel:#0B1630;
  --panel-2:#0E1D3E;
  --line:rgba(122,160,255,.16);
  --line-bright:rgba(53,208,255,.42);

  --cobalt:#1E43C8;
  --cyan:#35D0FF;
  --iris:#7AA0FF;
  --cream:#ECE7D8;
  --magenta:#FF3D9A;

  --ink:#E8ECF7;
  --muted:#8FA0C4;
  --dim:#7A8AB0;

  --display:'Chakra Petch',sans-serif;
  --serif:'Cinzel',serif;
  --body:'Space Grotesk',sans-serif;
  --mono:'JetBrains Mono',ui-monospace,monospace;

  --maxw:1180px;
  --glow:0 0 24px rgba(53,208,255,.35);
  --radius:4px;
  --beta-banner-h:40px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--void);
  color:var(--ink);
  font-family:var(--body);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  position:relative;
}
/* faint engineering grid + scanline atmosphere */
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(122,160,255,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(122,160,255,.035) 1px,transparent 1px);
  background-size:52px 52px;
  mask-image:radial-gradient(circle at 50% 30%,#000 0%,transparent 78%);
}
body::after{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.5;
  background:repeating-linear-gradient(0deg,transparent 0 3px,rgba(0,0,0,.14) 3px 4px);
  mix-blend-mode:multiply;
}
main,header,footer{position:relative;z-index:1}

a{color:var(--cyan);text-decoration:none;transition:color .18s,opacity .18s}
a:hover{color:var(--cream)}
img{max-width:100%;display:block}

::selection{background:var(--cyan);color:var(--void)}

/* ---------- shared layout ---------- */
.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.eyebrow{
  font-family:var(--mono);font-size:.72rem;letter-spacing:.32em;
  text-transform:uppercase;color:var(--cyan);display:inline-flex;gap:.6em;align-items:center;
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--line-bright)}
.hero-eyebrow{display:flex;width:100%;flex-wrap:wrap}
.hero-eyebrow + .hero-eyebrow{margin-top:10px}

h1,h2,h3{font-family:var(--display);line-height:1.05;letter-spacing:-.01em;font-weight:600}
.section{padding:96px 0;position:relative}
.section-title{font-size:clamp(1.8rem,4vw,2.9rem);margin:14px 0 8px}
.section-lead{color:var(--muted);max-width:60ch;font-size:1.02rem}

/* triangulated divider — echoes the three-node mark */
.tri-divider{height:34px;width:100%;display:block;opacity:.6}

/* ---------- accessibility: skip link ---------- */
.skip-link{
  position:absolute;left:8px;top:-48px;z-index:10000;
  background:var(--cyan);color:var(--void);
  font-family:var(--mono);font-size:.8rem;font-weight:700;
  padding:10px 16px;border-radius:var(--radius);
  transition:top .15s;text-decoration:none;
}
.skip-link:focus{top:8px}

/* ---------- top nav ---------- */
.nav{
  position:sticky;top:var(--beta-banner-h);z-index:50;
  backdrop-filter:blur(14px);
  background:linear-gradient(180deg,rgba(6,10,22,.92),rgba(6,10,22,.6));
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:12px}
.brand img{width:34px;height:34px;filter:drop-shadow(0 0 10px rgba(53,208,255,.5))}
.brand .name{font-family:var(--serif);font-weight:600;letter-spacing:.14em;font-size:.98rem;color:var(--cream)}
.brand .name small{display:block;font-family:var(--mono);font-size:.56rem;letter-spacing:.34em;color:var(--dim);font-weight:400}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{
  font-family:var(--mono);font-size:.76rem;letter-spacing:.06em;color:var(--muted);
  padding:8px 12px;border-radius:var(--radius);text-transform:uppercase;position:relative;
}
.nav-links a:hover{color:var(--cream);background:rgba(122,160,255,.07)}
.nav-links a.active{color:var(--cyan)}
.nav-links a.active::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:1px;background:var(--cyan);box-shadow:var(--glow)}
.nav-cta{
  border:1px solid var(--line-bright);color:var(--cyan)!important;
  padding:8px 16px!important;border-radius:var(--radius);
}
.nav-cta:hover{background:var(--cyan);color:var(--void)!important;box-shadow:var(--glow)}
.burger{display:none;background:none;border:1px solid var(--line);color:var(--cyan);
  width:42px;height:38px;border-radius:var(--radius);cursor:pointer;font-size:1.1rem}

/* ---------- hero ---------- */
.hero{position:relative;min-height:82vh;display:flex;align-items:center;overflow:hidden}
#node-canvas{position:absolute;inset:0;width:100%;height:100%;z-index:0}
.hero-media{
  position:absolute;right:-4%;top:50%;transform:translateY(-50%);
  width:min(560px,52vw);z-index:1;opacity:.9;
  mask-image:radial-gradient(circle,#000 55%,transparent 78%);
  filter:drop-shadow(0 0 60px rgba(30,67,200,.6));
}
.hero-media video{width:100%;border-radius:8px;mix-blend-mode:screen}
.hero-glow{position:absolute;inset:0;z-index:0;
  background:radial-gradient(60% 60% at 30% 45%,rgba(30,67,200,.28),transparent 70%);}
.hero-inner{position:relative;z-index:2;padding:60px 0}
.hero h1{font-size:clamp(2.6rem,7vw,5.2rem);margin:18px 0}
.hero h1 .grad{
  background:linear-gradient(100deg,#9aa0a8,#f5f7fa 35%,#ffffff 50%,#f5f7fa 65%,#9aa0a8 100%);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.hero p.lead{font-size:1.15rem;color:var(--muted);max-width:52ch;margin-bottom:30px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}

.btn{
  font-family:var(--mono);font-size:.82rem;letter-spacing:.08em;text-transform:uppercase;
  padding:14px 24px;border-radius:var(--radius);border:1px solid var(--line-bright);
  color:var(--cyan);display:inline-flex;align-items:center;gap:10px;cursor:pointer;
  background:rgba(53,208,255,.04);transition:.2s;
}
.btn:hover{background:var(--cyan);color:var(--void);box-shadow:var(--glow);transform:translateY(-1px)}
.btn.solid{background:var(--cobalt);border-color:var(--cobalt);color:#fff}
.btn.solid:hover{background:var(--cyan);border-color:var(--cyan);color:var(--void)}
.btn.ghost{border-color:var(--line);color:var(--muted);background:transparent}
.btn.ghost:hover{border-color:var(--iris);color:var(--cream);background:rgba(122,160,255,.06);box-shadow:none}

/* ---------- cards / grids ---------- */
.grid{display:grid;gap:20px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}

.card{
  position:relative;background:linear-gradient(160deg,var(--panel),var(--void-2));
  border:1px solid var(--line);border-radius:6px;padding:26px;overflow:hidden;
  transition:transform .22s,border-color .22s,box-shadow .22s;
}
.card::before{content:"";position:absolute;left:0;top:0;width:100%;height:2px;
  background:linear-gradient(90deg,var(--cyan),transparent);opacity:.5;transition:.22s}
.card:hover{transform:translateY(-4px);border-color:var(--line-bright);box-shadow:0 18px 50px -20px rgba(30,67,200,.6)}
.card:hover::before{opacity:1;box-shadow:var(--glow)}
.card .idx{font-family:var(--mono);font-size:.7rem;color:var(--dim);letter-spacing:.2em}
.card h3{font-size:1.32rem;margin:10px 0 8px;color:var(--cream)}
.card p{color:var(--muted);font-size:.96rem}
.card .card-link{font-family:var(--mono);font-size:.76rem;letter-spacing:.06em;text-transform:uppercase;margin-top:16px;display:inline-flex;gap:8px;align-items:center}
.card .card-link::after{content:"→";transition:transform .2s}
.card:hover .card-link::after{transform:translateX(5px)}

.tag{font-family:var(--mono);font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--iris);border:1px solid var(--line);padding:3px 8px;border-radius:20px;display:inline-block}

/* ---------- page header (inner pages) ---------- */
.page-head{padding:78px 0 30px;border-bottom:1px solid var(--line);position:relative}
.page-head h1{font-size:clamp(2.1rem,5vw,3.4rem);margin:14px 0 10px}
.page-head p{color:var(--muted);max-width:64ch}
.crumb{font-family:var(--mono);font-size:.72rem;color:var(--dim);letter-spacing:.1em}
.crumb a{color:var(--muted)}

/* ---------- legal / prose ---------- */
.prose{max-width:820px}
.prose h2{font-size:1.35rem;color:var(--cyan);margin:38px 0 12px;padding-top:14px;border-top:1px solid var(--line)}
.prose h3{font-size:1.05rem;color:var(--cream);margin:22px 0 8px}
.prose p,.prose li{color:var(--muted);margin-bottom:12px}
.prose ul,.prose ol{margin:0 0 12px 22px}
.prose strong{color:var(--ink)}
.prose .updated{font-family:var(--mono);font-size:.76rem;color:var(--dim);letter-spacing:.08em}

/* ---------- tool list (cybersecurity) ---------- */
.tool{display:grid;grid-template-columns:auto 1fr auto;gap:20px;align-items:center;
  background:linear-gradient(160deg,var(--panel),var(--void-2));border:1px solid var(--line);
  border-radius:6px;padding:20px 22px;transition:.2s}
.tool:hover{border-color:var(--line-bright);box-shadow:0 14px 40px -22px rgba(30,67,200,.7)}
.tool .glyph{width:46px;height:46px;border:1px solid var(--line-bright);border-radius:8px;
  display:grid;place-items:center;font-family:var(--mono);color:var(--cyan);font-size:1.2rem;
  background:rgba(53,208,255,.05)}
.tool h3{font-size:1.12rem;color:var(--cream);margin-bottom:3px}
.tool .meta{font-family:var(--mono);font-size:.72rem;color:var(--dim);letter-spacing:.05em}
.tool p{color:var(--muted);font-size:.9rem;margin-top:4px}
.tool .dl{white-space:nowrap}
.notice{border:1px solid rgba(255,61,154,.4);background:rgba(255,61,154,.06);
  border-radius:6px;padding:16px 20px;color:var(--muted);font-size:.9rem;margin-top:10px}
.notice strong{color:var(--magenta)}

/* ---------- research lists ---------- */
.reslist{list-style:none;display:grid;gap:2px}
.reslist li{display:flex;gap:16px;padding:14px 0;border-bottom:1px solid var(--line);align-items:baseline}
.reslist .k{font-family:var(--mono);font-size:.72rem;color:var(--dim);min-width:34px;letter-spacing:.05em}
.reslist .t{color:var(--cream);font-weight:500}
.reslist .d{color:var(--muted);font-size:.9rem}
.reslist a{color:var(--cyan)}

/* ---------- contact ---------- */
.field{margin-bottom:18px}
.field label{display:block;font-family:var(--mono);font-size:.72rem;letter-spacing:.1em;
  text-transform:uppercase;color:var(--iris);margin-bottom:7px}
.field input,.field textarea,.field select{
  width:100%;background:var(--void-2);border:1px solid var(--line);border-radius:var(--radius);
  padding:12px 14px;color:var(--ink);font-family:var(--body);font-size:.96rem;transition:.18s}
.field input:focus,.field textarea:focus,.field select:focus{
  outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(53,208,255,.14)}
.field textarea{min-height:130px;resize:vertical}
.contact-meta{display:grid;gap:16px}
.contact-meta .row{border:1px solid var(--line);border-radius:6px;padding:16px 18px;background:var(--panel)}
.contact-meta .lbl{font-family:var(--mono);font-size:.68rem;letter-spacing:.16em;text-transform:uppercase;color:var(--dim)}
.contact-meta .val{color:var(--cream);margin-top:4px;font-size:1.02rem}

/* ---------- kaspersky embed frame ---------- */
.map-frame{border:1px solid var(--line-bright);border-radius:8px;overflow:hidden;
  background:var(--panel);box-shadow:0 20px 60px -30px rgba(30,67,200,.7)}
.map-frame .bar{display:flex;align-items:center;gap:8px;padding:10px 16px;border-bottom:1px solid var(--line);font-family:var(--mono);font-size:.72rem;color:var(--muted);letter-spacing:.08em}
.dot{width:9px;height:9px;border-radius:50%;background:var(--magenta);box-shadow:0 0 8px var(--magenta);animation:pulse 1.6s infinite}
@keyframes pulse{50%{opacity:.35}}

/* ---------- sitemap ---------- */
.map-col h3{font-family:var(--display);color:var(--cyan);font-size:1.05rem;margin-bottom:12px;letter-spacing:.02em}
.map-col ul{list-style:none;display:grid;gap:8px}
.map-col a{color:var(--muted);font-size:.95rem;display:inline-flex;gap:8px;align-items:center}
.map-col a::before{content:"▹";color:var(--dim)}
.map-col a:hover{color:var(--cyan)}

/* ---------- footer ---------- */
.foot{border-top:1px solid var(--line);margin-top:40px;padding:56px 0 30px;background:linear-gradient(180deg,transparent,rgba(11,22,48,.5))}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.foot .brand .name{font-size:1.05rem}
.foot p.tag-line{color:var(--muted);font-size:.9rem;margin-top:14px;max-width:34ch}
.foot h3{font-family:var(--mono);font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--dim);margin-bottom:14px}
.foot ul{list-style:none;display:grid;gap:9px}
.foot ul a{color:var(--muted);font-size:.9rem}
.foot ul a:hover{color:var(--cyan)}
.foot-base{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  font-family:var(--mono);font-size:.72rem;color:var(--dim);letter-spacing:.05em}

.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s,transform .7s}
.reveal.in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media(max-width:900px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
  .hero-media{opacity:.35;width:70vw;right:-10%}
}
@media(max-width:680px){
  .nav-links{position:fixed;inset:68px 0 auto 0;flex-direction:column;align-items:stretch;
    background:var(--void);border-bottom:1px solid var(--line);padding:12px 24px 20px;
    transform:translateY(-140%);transition:transform .3s;gap:2px}
  .nav-links.open{transform:none}
  .nav-links a{padding:12px}
  .burger{display:block}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .tool{grid-template-columns:1fr;text-align:left}
  .tool .dl{justify-self:start}
  .contact-cols{grid-template-columns:1fr!important}
  .section{padding:64px 0}
  .hero{min-height:auto;padding:40px 0}
  .foot-grid{grid-template-columns:1fr}
  .hero-eyebrow{flex-direction:column;align-items:flex-start;gap:4px}
  .hero-eyebrow .eyebrow-sep{display:none}
  .hero-eyebrow .eyebrow-sub{width:100%;text-align:center}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}

.beta-banner {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  background: transparent;
  border-bottom: 1px solid var(--line-bright);
  backdrop-filter: blur(2px);
  color: var(--cyan);
  text-shadow: 0 1px 4px rgba(0,0,0,.75), 0 0 14px rgba(0,0,0,.55);
  text-align: center;
  font-family: var(--mono);
  text-transform: uppercase;
  font-size: 11px;
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: 0.12em;
  padding: 9px 14px;
  z-index: 9999;
  box-sizing: border-box;
  pointer-events: none;
}
.beta-banner h2{ margin: 0; font: inherit; }