/* PATCH START: V10.2 video background display and translucent SarDev AI Labs styling
   REASON: Keep the existing premium Lab layout while fixing the hidden video layer caused by negative z-index placement behind the page background. */
:root{
  --gold:#d8b45b;
  --text:#f5f7fb;
  --muted:#b8c0d4;
  --panel:rgba(7,12,24,.68);
  --panel-strong:rgba(2,4,10,.72);
  --line:rgba(255,255,255,.14);
  --shadow:0 24px 80px rgba(0,0,0,.30);
}
*{box-sizing:border-box}
html{margin:0;min-height:100%;background:#02040a;scroll-behavior:smooth}
body{margin:0;min-height:100%;font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:transparent;color:var(--text);position:relative;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.bg-video,.site-bg-video{position:fixed;inset:0;width:100vw;height:100vh;object-fit:cover;z-index:0;display:block;filter:saturate(1.08) contrast(1.08) brightness(.70);transform:scale(1.01);pointer-events:none;background:#02040a}
.bg-overlay,.site-overlay{position:fixed;inset:0;z-index:1;pointer-events:none;background:radial-gradient(circle at 20% 10%,rgba(216,180,91,.18),transparent 34%),linear-gradient(120deg,rgba(1,4,12,.78),rgba(4,8,18,.46),rgba(1,4,12,.82))}
.wrap{width:min(1180px,92vw);margin:0 auto}
.site-header,.topbar{position:sticky;top:0;z-index:30;background:rgba(2,4,10,.58);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
.nav,.lab-nav{display:flex;align-items:center;justify-content:space-between;gap:22px;padding:15px 0}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;letter-spacing:.04em}
.brand img{width:42px;height:42px;object-fit:contain}
.brand span{font-weight:900;color:#fff;white-space:nowrap}
.nav-links,.navlinks{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:8px}
.nav-links a,.navlinks a,.lab-nav a{font-size:12px;color:var(--muted);padding:8px 10px;border:1px solid transparent;border-radius:999px}
.nav-links a:hover,.nav-links a.active,.navlinks a:hover,.navlinks a.active,.lab-nav a:hover,.lab-nav a[aria-current="page"]{color:#fff;border-color:rgba(216,180,91,.4);background:rgba(216,180,91,.08)}
main,.lab-main{position:relative;z-index:2}
.hero,.lab-hero{width:min(1180px,92vw);margin:0 auto;padding:86px 0 54px}
.eyebrow{color:var(--gold);font-size:13px;letter-spacing:.22em;text-transform:uppercase;font-weight:800}
.hero h1,.lab-hero h1{font-size:clamp(42px,7vw,86px);line-height:.95;margin:18px 0 20px;letter-spacing:-.06em;text-shadow:0 18px 70px rgba(0,0,0,.55)}
.hero p,.lab-hero p,.hero-copy{font-size:clamp(18px,2vw,23px);line-height:1.55;color:#d9deeb;max-width:850px;text-shadow:0 12px 40px rgba(0,0,0,.55)}
.cta-row,.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.btn,.btn-primary,.btn-secondary{display:inline-flex;align-items:center;justify-content:center;border:1px solid rgba(216,180,91,.5);background:linear-gradient(135deg,rgba(216,180,91,.24),rgba(255,255,255,.06));padding:13px 18px;border-radius:999px;font-weight:800;color:#fff;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}
.btn.secondary,.btn-secondary{border-color:var(--line);background:rgba(255,255,255,.06);color:#dce4f8}
.grid,.lab-grid{width:min(1180px,92vw);margin:0 auto;display:grid;grid-template-columns:repeat(3,1fr);gap:18px;padding:30px 0 80px}
.lab-page .grid,.lab-section .lab-grid{grid-template-columns:repeat(2,1fr)}
.card,.lab-card{background:var(--panel);border:1px solid var(--line);border-radius:24px;padding:24px;box-shadow:var(--shadow);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}
.card h2,.card h3,.lab-card h2{margin:0 0 12px;letter-spacing:-.03em}
.card p,.lab-card p{color:var(--muted);line-height:1.65;margin:0 0 16px}
.pill,.lab-card span{display:inline-block;color:var(--gold);font-size:12px;letter-spacing:.14em;text-transform:uppercase;margin-bottom:12px;font-weight:800}
.site-footer,.footer{position:relative;z-index:2;border-top:1px solid var(--line);background:rgba(2,4,10,.58);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);padding:28px 0;color:var(--muted);font-size:13px}
@media(max-width:900px){.grid,.lab-grid,.lab-page .grid,.lab-section .lab-grid{grid-template-columns:1fr}.nav,.lab-nav{align-items:flex-start;flex-direction:column}.nav-links,.navlinks{justify-content:flex-start}.hero,.lab-hero{padding-top:56px}.hero h1,.lab-hero h1{font-size:44px}}
@media(prefers-reduced-motion:reduce){.bg-video,.site-bg-video{display:none}body{background:#02040a}}
/* PATCH END */

/* PATCH START: V10.3 canonical video background compatibility
   REASON: Subdomains already render correctly, but their video layer must match the known-good sardev.io shared header pattern and remain behind translucent content. */
html {
  background: #02040a;
}

body {
  background: transparent;
}

.bg-video,
.site-bg-video {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  object-fit: cover;
  z-index: 0;
  display: block;
  pointer-events: none;
  filter: saturate(1.08) contrast(1.08) brightness(.64);
  transform: scale(1.01);
  background: #02040a;
}

.bg-overlay,
.site-overlay {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    radial-gradient(circle at 20% 10%, rgba(216,180,91,.18), transparent 34%),
    linear-gradient(120deg, rgba(1,4,12,.78), rgba(4,8,18,.46), rgba(1,4,12,.82));
}

.site-header,
.topbar,
main,
.lab-main,
.site-footer,
.footer {
  position: relative;
}

main,
.lab-main,
.site-footer,
.footer {
  z-index: 2;
}

.site-header,
.topbar {
  z-index: 30;
  background-color: rgba(2,4,10,.58);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.card,
.lab-card {
  background-color: rgba(7,12,24,.68);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.site-footer,
.footer {
  background-color: rgba(2,4,10,.58);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}
/* PATCH END */