/* ============================================================
   THE AI LAB REPORT — Site Stylesheet
   Magruder Media brand system. Shared by root landing, blog
   index, and every post. Matches the channel + business report.
   ============================================================ */

:root{
  --ink:#0A0E1A;         /* near-black base */
  --ink2:#0C1322;        /* second base */
  --panel:#0F1729;       /* card navy */
  --panel2:#132038;      /* lighter card */
  --line:#22304C;        /* hairline border */
  --blue:#2E7DFF;        /* electric blue */
  --cyan:#22D3EE;        /* cyan accent */
  --white:#EEF4FF;       /* primary text */
  --soft:#C4D2EC;        /* body text */
  --muted:#8194B4;       /* labels */
  --dim:#5B6C8C;         /* faint */
  --green:#34D399;
  --amber:#FBBF24;
  --maxw:1120px;
}

*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:'Inter','Helvetica Neue',Arial,sans-serif;
  background:var(--ink);
  color:var(--soft);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:var(--cyan);text-decoration:none;transition:color .15s ease;}
a:hover{color:var(--blue);}
img{max-width:100%;display:block;}

.display{font-family:'Montserrat','Helvetica Neue',Arial,sans-serif;font-weight:800;letter-spacing:-0.02em;line-height:1.05;}
.eyebrow{font-size:12px;font-weight:700;letter-spacing:0.22em;text-transform:uppercase;color:var(--cyan);}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px;}

/* ---------- ambient background glow ---------- */
.glowfield{
  position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:
    radial-gradient(60% 50% at 82% -5%, rgba(46,125,255,0.16), transparent 60%),
    radial-gradient(50% 45% at 5% 8%, rgba(34,211,238,0.10), transparent 55%),
    var(--ink);
}

/* ---------- top nav ---------- */
header.nav{
  position:sticky;top:0;z-index:50;
  background:rgba(10,14,26,0.82);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
header.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:66px;}
.brand{display:flex;align-items:center;gap:11px;}
.brandmark{
  width:34px;height:34px;border-radius:8px;
  background:linear-gradient(135deg,var(--blue),var(--cyan));
  display:flex;align-items:center;justify-content:center;
  font-family:'Montserrat',sans-serif;font-weight:800;color:var(--ink);font-size:17px;
  box-shadow:0 0 22px rgba(46,125,255,0.45);
}
.brand .name{font-family:'Montserrat',sans-serif;font-weight:800;color:#fff;font-size:15px;letter-spacing:-0.01em;line-height:1;}
.brand .tag{font-size:10px;font-weight:700;letter-spacing:0.16em;text-transform:uppercase;color:var(--muted);margin-top:3px;}
nav.links{display:flex;gap:26px;align-items:center;}
nav.links a{color:var(--soft);font-size:14px;font-weight:600;}
nav.links a:hover{color:var(--cyan);}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  font-family:'Montserrat',sans-serif;font-weight:700;font-size:14px;
  color:var(--ink);background:linear-gradient(135deg,var(--cyan),var(--blue));
  padding:10px 18px;border-radius:8px;letter-spacing:0.01em;
  box-shadow:0 0 20px rgba(46,125,255,0.35);border:0;cursor:pointer;
  transition:transform .15s ease, box-shadow .15s ease;
}
.btn:hover{color:var(--ink);transform:translateY(-1px);box-shadow:0 4px 28px rgba(46,125,255,0.5);}
.btn.ghost{background:transparent;color:var(--white);border:1px solid var(--line);box-shadow:none;}
.btn.ghost:hover{border-color:var(--cyan);color:var(--cyan);}

/* ---------- hero (root landing) ---------- */
.hero{padding:92px 0 70px;position:relative;}
.hero .eyebrow{margin-bottom:20px;}
.hero h1{
  font-family:'Montserrat',sans-serif;font-weight:800;letter-spacing:-0.03em;
  font-size:64px;line-height:0.98;color:#fff;max-width:14ch;
}
.hero h1 .accent{
  background:linear-gradient(120deg,var(--cyan),var(--blue));
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.hero p.lede{font-size:19px;color:var(--soft);max-width:60ch;margin-top:24px;}
.hero .cta-row{display:flex;gap:14px;margin-top:34px;flex-wrap:wrap;}

/* signal divider */
.signal{height:3px;width:100%;max-width:var(--maxw);margin:0 auto;
  background:linear-gradient(90deg,transparent,var(--cyan),var(--blue),transparent);opacity:0.6;}

/* ---------- pillars strip ---------- */
.pillars{padding:64px 0;}
.pillars h2, .section-h{font-family:'Montserrat',sans-serif;font-weight:800;color:#fff;font-size:30px;letter-spacing:-0.02em;margin-bottom:8px;}
.section-sub{color:var(--muted);font-size:15px;margin-bottom:30px;}
.pillar-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}
.pillar{
  background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:22px;
  transition:border-color .2s ease, transform .2s ease;
}
.pillar:hover{border-color:rgba(34,211,238,0.5);transform:translateY(-3px);}
.pillar .k{font-family:'Montserrat',sans-serif;font-weight:800;color:#fff;font-size:17px;margin-bottom:7px;}
.pillar .d{font-size:14px;color:var(--soft);}
.pillar .dot{width:9px;height:9px;border-radius:50%;background:var(--cyan);margin-bottom:14px;box-shadow:0 0 12px var(--cyan);}

/* ---------- blog index ---------- */
.page-head{padding:70px 0 26px;}
.page-head h1{font-family:'Montserrat',sans-serif;font-weight:800;color:#fff;font-size:46px;letter-spacing:-0.025em;}
.page-head p{color:var(--muted);font-size:16px;margin-top:12px;max-width:60ch;}

.post-list{padding:20px 0 90px;display:grid;gap:18px;}
.post-card{
  display:grid;grid-template-columns:200px 1fr;gap:22px;
  background:var(--panel);border:1px solid var(--line);border-radius:14px;
  padding:18px;transition:border-color .2s ease, transform .2s ease;
}
.post-card:hover{border-color:rgba(34,211,238,0.5);transform:translateY(-2px);}
.post-card .thumb{
  border-radius:9px;overflow:hidden;aspect-ratio:16/9;background:var(--panel2);
  border:1px solid var(--line);display:flex;align-items:center;justify-content:center;
}
.post-card .thumb img{width:100%;height:100%;object-fit:cover;}
.post-card .meta{display:flex;gap:10px;align-items:center;margin-bottom:9px;flex-wrap:wrap;}
.tag{
  font-size:10.5px;font-weight:700;letter-spacing:0.1em;text-transform:uppercase;
  color:var(--cyan);border:1px solid rgba(34,211,238,0.4);border-radius:999px;padding:3px 10px;
}
.tag.blue{color:var(--blue);border-color:rgba(46,125,255,0.45);}
.date{font-size:12px;color:var(--dim);font-weight:600;letter-spacing:0.04em;}
.post-card h3{font-family:'Montserrat',sans-serif;font-weight:800;color:#fff;font-size:21px;line-height:1.2;letter-spacing:-0.01em;margin-bottom:8px;}
.post-card p{font-size:14px;color:var(--soft);}
.post-card .readmore{margin-top:11px;font-size:13px;font-weight:700;color:var(--cyan);letter-spacing:0.02em;}

/* ---------- single post ---------- */
.post-wrap{max-width:760px;margin:0 auto;padding:0 24px;}
.post-hero{padding:56px 0 8px;}
.post-hero .meta{display:flex;gap:12px;align-items:center;margin-bottom:20px;flex-wrap:wrap;}
.post-hero h1{
  font-family:'Montserrat',sans-serif;font-weight:800;color:#fff;
  font-size:42px;line-height:1.08;letter-spacing:-0.025em;
}
.post-hero .dek{font-size:19px;color:var(--muted);margin-top:18px;line-height:1.55;}

.video-embed{position:relative;aspect-ratio:16/9;border-radius:14px;overflow:hidden;
  border:1px solid var(--line);margin:34px 0;box-shadow:0 0 40px rgba(46,125,255,0.14);}
.video-embed iframe{position:absolute;inset:0;width:100%;height:100%;border:0;}

.post-body{font-size:17px;line-height:1.75;color:var(--soft);padding-bottom:20px;}
.post-body h2{font-family:'Montserrat',sans-serif;font-weight:800;color:#fff;font-size:26px;letter-spacing:-0.02em;margin:38px 0 14px;}
.post-body h3{font-family:'Montserrat',sans-serif;font-weight:700;color:#fff;font-size:20px;margin:28px 0 10px;}
.post-body p{margin-bottom:18px;}
.post-body a{text-decoration:underline;text-underline-offset:2px;}
.post-body strong{color:#fff;font-weight:700;}
.post-body ul,.post-body ol{margin:0 0 18px 22px;}
.post-body li{margin-bottom:8px;}
.post-body blockquote{
  border-left:3px solid var(--cyan);padding:6px 0 6px 20px;margin:24px 0;
  color:var(--white);font-size:19px;font-style:italic;
}

/* Kit CTA block */
.kit-cta{
  background:linear-gradient(150deg,rgba(46,125,255,0.14),rgba(34,211,238,0.05));
  border:1px solid rgba(46,125,255,0.4);border-radius:16px;padding:28px;margin:40px 0;
}
.kit-cta .eyebrow{margin-bottom:10px;}
.kit-cta h3{font-family:'Montserrat',sans-serif;font-weight:800;color:#fff;font-size:22px;margin-bottom:8px;letter-spacing:-0.01em;}
.kit-cta p{font-size:15px;color:var(--soft);margin-bottom:18px;}

/* affiliate / tools note */
.tools-note{border-top:1px solid var(--line);margin-top:30px;padding-top:22px;font-size:13px;color:var(--muted);}
.tools-note a{color:var(--cyan);}

/* ---------- footer ---------- */
footer.site{border-top:1px solid var(--line);background:var(--ink2);padding:44px 0 40px;margin-top:40px;}
footer.site .wrap{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap;}
footer.site .fbrand{max-width:340px;}
footer.site .fbrand p{font-size:13px;color:var(--muted);margin-top:12px;}
footer.site .fcol h4{font-size:11px;font-weight:700;letter-spacing:0.14em;text-transform:uppercase;color:var(--dim);margin-bottom:12px;}
footer.site .fcol a{display:block;color:var(--soft);font-size:14px;margin-bottom:9px;}
footer.site .legal{width:100%;border-top:1px solid var(--line);margin-top:26px;padding-top:20px;font-size:12px;color:var(--dim);}

/* ---------- responsive ---------- */
@media (max-width:820px){
  .hero h1{font-size:44px;}
  .pillar-grid{grid-template-columns:1fr;}
  .post-card{grid-template-columns:1fr;}
  .post-card .thumb{max-width:100%;}
  nav.links{display:none;}
  .post-hero h1{font-size:32px;}
  footer.site .wrap{flex-direction:column;gap:24px;}
}