/* ============================================================
   COGNITIVE DEFENSE LABS LLC — Core Stylesheet
   A Perpetual Knowledge Holding Company
   Dark "skunkworks" defense aesthetic
   ============================================================ */
:root{
  --bg:#07090c;
  --bg-2:#0c1015;
  --panel:#10151c;
  --panel-2:#141b24;
  --steel:#c6ccd4;
  --steel-dim:#7d8794;
  --steel-line:#2a323d;
  --crimson:#b01b2e;
  --crimson-deep:#7d1220;
  --crimson-glow:rgba(176,27,46,.55);
  --blue:#39b4ff;
  --blue-deep:#1e6fd6;
  --blue-glow:rgba(57,180,255,.55);
  --text:#d7dde4;
  --text-dim:#8b95a1;
  --white:#f2f5f8;
  --mono:'IBM Plex Mono','Consolas',ui-monospace,monospace;
  --sans:'Rajdhani','Segoe UI',system-ui,-apple-system,sans-serif;
  --sans-body:'Inter','Segoe UI',system-ui,sans-serif;
  --maxw:1200px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--text);
  font-family:var(--sans-body);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
/* Carbon-fiber + grid texture layer */
body::before{
  content:"";position:fixed;inset:0;z-index:-2;
  background:
    repeating-linear-gradient(45deg,rgba(255,255,255,.015) 0 2px,transparent 2px 4px),
    repeating-linear-gradient(-45deg,rgba(0,0,0,.35) 0 2px,transparent 2px 4px),
    radial-gradient(circle at 50% 0%,#12181f 0%,#07090c 60%);
  background-size:6px 6px,6px 6px,100% 100%;
}
body::after{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:linear-gradient(rgba(57,180,255,.02) 1px,transparent 1px);
  background-size:100% 3px;opacity:.5;
}
a{color:var(--blue);text-decoration:none;transition:.2s}
a:hover{color:var(--white)}
h1,h2,h3,h4{font-family:var(--sans);font-weight:700;letter-spacing:.02em;color:var(--white);line-height:1.15}
.mono{font-family:var(--mono)}
.container{max-width:var(--maxw);margin:0 auto;padding:0 28px}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:linear-gradient(180deg,rgba(7,9,12,.97),rgba(7,9,12,.86));
  border-bottom:1px solid var(--steel-line);
  backdrop-filter:blur(8px);
  box-shadow:0 2px 24px rgba(0,0,0,.6);
}
.site-header .bar{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:14px}
.brand img{height:46px;width:46px;border-radius:6px;border:1px solid var(--steel-line);
  box-shadow:0 0 14px rgba(57,180,255,.15)}
.brand .txt{display:flex;flex-direction:column;line-height:1}
.brand .txt .name{font-family:var(--sans);font-weight:700;font-size:1.18rem;letter-spacing:.14em;color:var(--white)}
.brand .txt .sub{font-family:var(--mono);font-size:.6rem;letter-spacing:.32em;color:var(--crimson);margin-top:4px;text-transform:uppercase}
nav.main-nav{display:flex;gap:6px;align-items:center}
nav.main-nav a{
  font-family:var(--sans);font-weight:600;font-size:.9rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--text-dim);padding:10px 15px;border:1px solid transparent;border-radius:4px;position:relative
}
nav.main-nav a:hover{color:var(--white);background:rgba(57,180,255,.06)}
nav.main-nav a.active{color:var(--white);border-color:var(--steel-line)}
nav.main-nav a.active::after{content:"";position:absolute;left:15px;right:15px;bottom:4px;height:2px;
  background:linear-gradient(90deg,var(--crimson),var(--blue))}
.nav-toggle{display:none;background:none;border:1px solid var(--steel-line);color:var(--steel);
  font-size:1.4rem;width:44px;height:40px;border-radius:4px;cursor:pointer}

/* ---------- Buttons ---------- */
.btn{display:inline-block;font-family:var(--sans);font-weight:700;letter-spacing:.12em;text-transform:uppercase;
  font-size:.82rem;padding:14px 30px;border:1px solid var(--blue-deep);color:var(--white);
  background:linear-gradient(180deg,rgba(30,111,214,.22),rgba(30,111,214,.06));
  clip-path:polygon(10px 0,100% 0,100% calc(100% - 10px),calc(100% - 10px) 100%,0 100%,0 10px);
  transition:.2s;cursor:pointer}
.btn:hover{background:linear-gradient(180deg,rgba(57,180,255,.4),rgba(30,111,214,.15));
  box-shadow:0 0 22px var(--blue-glow);color:var(--white)}
.btn.crimson{border-color:var(--crimson);
  background:linear-gradient(180deg,rgba(176,27,46,.25),rgba(176,27,46,.06))}
.btn.crimson:hover{box-shadow:0 0 22px var(--crimson-glow);
  background:linear-gradient(180deg,rgba(176,27,46,.45),rgba(176,27,46,.15))}
.btn.ghost{background:transparent;border-color:var(--steel-line);color:var(--steel)}
.btn.ghost:hover{border-color:var(--steel);color:var(--white);box-shadow:none}

/* ---------- Section scaffolding ---------- */
section{padding:88px 0;position:relative}
.section-tag{font-family:var(--mono);font-size:.72rem;letter-spacing:.34em;text-transform:uppercase;
  color:var(--blue);display:inline-flex;align-items:center;gap:10px;margin-bottom:16px}
.section-tag::before{content:"";width:26px;height:1px;background:var(--crimson)}
h2.section-title{font-size:2.2rem;letter-spacing:.03em;margin-bottom:14px}
.lead{font-size:1.08rem;color:var(--text-dim);max-width:760px}
.divider{height:1px;background:linear-gradient(90deg,transparent,var(--steel-line),transparent);margin:0}

/* ---------- Hero ---------- */
.hero{min-height:calc(100vh - 72px);display:flex;align-items:center;position:relative;overflow:hidden;
  padding:60px 0}
.hero .bg-emblem{position:absolute;right:-120px;top:50%;transform:translateY(-50%);
  width:640px;max-width:60vw;opacity:.10;filter:grayscale(.2) contrast(1.1);pointer-events:none;
  mask-image:radial-gradient(circle,#000 40%,transparent 72%)}
.hero-inner{position:relative;z-index:2;max-width:820px}
.hero h1{font-size:clamp(2.4rem,6vw,4.2rem);letter-spacing:.02em;margin:8px 0 20px}
.hero h1 .accent{background:linear-gradient(90deg,var(--steel),var(--blue));-webkit-background-clip:text;
  background-clip:text;-webkit-text-fill-color:transparent}
.hero p.lead{font-size:1.2rem;margin-bottom:34px}
.hero .cta-row{display:flex;gap:16px;flex-wrap:wrap}
.priority-strip{display:flex;gap:0;margin-top:46px;border:1px solid var(--steel-line);
  clip-path:polygon(14px 0,100% 0,100% 100%,0 100%,0 14px);max-width:680px}
.priority-strip div{flex:1;padding:16px 20px;border-right:1px solid var(--steel-line)}
.priority-strip div:last-child{border-right:none}
.priority-strip .n{font-family:var(--mono);font-size:.68rem;letter-spacing:.2em;color:var(--crimson)}
.priority-strip .l{font-family:var(--sans);font-weight:700;font-size:1.05rem;color:var(--white);letter-spacing:.08em}

/* ---------- Cards / grids ---------- */
.grid{display:grid;gap:22px}
.grid.cols-2{grid-template-columns:repeat(2,1fr)}
.grid.cols-3{grid-template-columns:repeat(3,1fr)}
.card{background:linear-gradient(160deg,var(--panel),var(--bg-2));border:1px solid var(--steel-line);
  padding:30px 26px;position:relative;transition:.25s;
  clip-path:polygon(0 0,calc(100% - 16px) 0,100% 16px,100% 100%,16px 100%,0 calc(100% - 16px))}
.card::before{content:"";position:absolute;left:0;top:0;width:3px;height:38px;
  background:linear-gradient(180deg,var(--crimson),transparent)}
.card:hover{border-color:var(--blue-deep);transform:translateY(-4px);
  box-shadow:0 14px 40px rgba(0,0,0,.55),0 0 0 1px rgba(57,180,255,.15)}
.card .idx{font-family:var(--mono);font-size:.72rem;letter-spacing:.2em;color:var(--blue)}
.card h3{font-size:1.24rem;margin:10px 0 12px;letter-spacing:.03em}
.card p{color:var(--text-dim);font-size:.96rem}
.card ul{list-style:none;margin-top:14px}
.card ul li{padding:7px 0 7px 20px;position:relative;font-size:.92rem;color:var(--text);border-top:1px solid rgba(42,50,61,.6)}
.card ul li::before{content:"▸";position:absolute;left:0;color:var(--crimson)}

/* ---------- Service detail blocks ---------- */
.svc-block{border:1px solid var(--steel-line);background:linear-gradient(160deg,var(--panel),var(--bg-2));
  margin-bottom:26px;overflow:hidden;
  clip-path:polygon(0 0,calc(100% - 20px) 0,100% 20px,100% 100%,20px 100%,0 calc(100% - 20px))}
.svc-block .head{display:flex;align-items:baseline;gap:16px;padding:26px 30px 6px}
.svc-block .head .num{font-family:var(--mono);font-size:1.6rem;color:var(--crimson);font-weight:700;line-height:1}
.svc-block .head h3{font-size:1.5rem}
.svc-block .body{padding:8px 30px 30px}
.svc-block .body>p{color:var(--text-dim);margin-bottom:18px;max-width:900px}
.svc-block .items{display:grid;grid-template-columns:repeat(2,1fr);gap:0 34px}
.svc-block .items .it{padding:16px 0;border-top:1px solid rgba(42,50,61,.7)}
.svc-block .items .it .t{font-family:var(--sans);font-weight:700;color:var(--white);letter-spacing:.03em;
  font-size:1.02rem;display:flex;align-items:center;gap:9px}
.svc-block .items .it .t::before{content:"";width:8px;height:8px;background:var(--blue);
  box-shadow:0 0 10px var(--blue-glow);transform:rotate(45deg);flex:none}
.svc-block .items .it p{font-size:.9rem;color:var(--text-dim);margin-top:5px}

/* ---------- Callout / notes ---------- */
.note{border-left:3px solid var(--blue);background:rgba(57,180,255,.05);padding:20px 24px;margin:30px 0;
  font-size:.98rem;color:var(--text)}
.note.crimson{border-left-color:var(--crimson);background:rgba(176,27,46,.06)}
.note .lbl{font-family:var(--mono);font-size:.7rem;letter-spacing:.24em;text-transform:uppercase;color:var(--blue);
  display:block;margin-bottom:6px}
.note.crimson .lbl{color:var(--crimson)}

/* ---------- Stats ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:20px}
.stat{border:1px solid var(--steel-line);padding:24px 20px;text-align:center;background:var(--panel)}
.stat .v{font-family:var(--sans);font-weight:700;font-size:2rem;color:var(--white);
  background:linear-gradient(90deg,var(--steel),var(--blue));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.stat .k{font-family:var(--mono);font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:var(--text-dim);margin-top:6px}

/* ---------- Compliance badges ---------- */
.badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.badge{font-family:var(--mono);font-size:.74rem;letter-spacing:.12em;padding:9px 16px;
  border:1px solid var(--steel-line);color:var(--steel);background:var(--panel-2);text-transform:uppercase}
.badge b{color:var(--blue)}

/* ---------- Split feature ---------- */
.split{display:grid;grid-template-columns:1.1fr .9fr;gap:50px;align-items:center}
.split img{width:100%;border:1px solid var(--steel-line);
  clip-path:polygon(0 0,calc(100% - 24px) 0,100% 24px,100% 100%,24px 100%,0 calc(100% - 24px))}

/* ---------- Contact ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:46px}
form.cdl-form label{display:block;font-family:var(--mono);font-size:.72rem;letter-spacing:.16em;
  text-transform:uppercase;color:var(--blue);margin:18px 0 7px}
form.cdl-form input,form.cdl-form select,form.cdl-form textarea{
  width:100%;background:var(--bg-2);border:1px solid var(--steel-line);color:var(--white);
  font-family:var(--sans-body);font-size:.98rem;padding:13px 15px;transition:.2s}
form.cdl-form input:focus,form.cdl-form select:focus,form.cdl-form textarea:focus{
  outline:none;border-color:var(--blue);box-shadow:0 0 0 1px var(--blue),0 0 18px rgba(57,180,255,.12)}
form.cdl-form textarea{min-height:150px;resize:vertical}
.hp{position:absolute;left:-9999px;opacity:0;height:0;width:0}
.contact-detail{border:1px solid var(--steel-line);background:var(--panel);padding:22px 24px;margin-bottom:16px}
.contact-detail .k{font-family:var(--mono);font-size:.7rem;letter-spacing:.2em;text-transform:uppercase;color:var(--crimson)}
.contact-detail .v{font-family:var(--sans);font-size:1.1rem;color:var(--white);margin-top:5px;letter-spacing:.03em}
.form-note{font-size:.82rem;color:var(--text-dim);margin-top:16px}

/* ---------- Footer ---------- */
.site-footer{border-top:1px solid var(--steel-line);background:var(--bg-2);padding:56px 0 30px;margin-top:40px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px;margin-bottom:40px}
.site-footer .brand-f{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.site-footer .brand-f img{height:40px;width:40px;border-radius:5px;border:1px solid var(--steel-line)}
.site-footer h4{font-size:.82rem;letter-spacing:.2em;text-transform:uppercase;color:var(--steel);margin-bottom:16px}
.site-footer ul{list-style:none}
.site-footer ul li{margin-bottom:9px}
.site-footer ul li a{color:var(--text-dim);font-size:.92rem}
.site-footer ul li a:hover{color:var(--white)}
.parent-line{font-family:var(--mono);font-size:.78rem;letter-spacing:.1em;color:var(--text-dim)}
.parent-line b{color:var(--steel)}
.footer-bottom{border-top:1px solid var(--steel-line);padding-top:22px;display:flex;justify-content:space-between;
  flex-wrap:wrap;gap:12px;font-family:var(--mono);font-size:.72rem;letter-spacing:.08em;color:var(--text-dim)}

/* ---------- Reveal animation ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

/* ---------- Responsive ---------- */
@media(max-width:900px){
  .grid.cols-3{grid-template-columns:1fr}
  .grid.cols-2{grid-template-columns:1fr}
  .svc-block .items{grid-template-columns:1fr}
  .split{grid-template-columns:1fr;gap:30px}
  .contact-grid{grid-template-columns:1fr;gap:30px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .stats{grid-template-columns:repeat(2,1fr)}
  nav.main-nav{position:fixed;top:72px;right:0;left:0;flex-direction:column;gap:0;
    background:var(--bg-2);border-bottom:1px solid var(--steel-line);
    max-height:0;overflow:hidden;transition:max-height .3s ease}
  nav.main-nav.open{max-height:420px}
  nav.main-nav a{padding:16px 28px;border-radius:0;border-bottom:1px solid var(--steel-line)}
  nav.main-nav a.active::after{display:none}
  .nav-toggle{display:block}
  .priority-strip{flex-direction:column}
  .priority-strip div{border-right:none;border-bottom:1px solid var(--steel-line)}
}