/* DroneBrain.tech base styles */
:root{
  --bg:#0b0f14;
  --bg-grad:radial-gradient(1200px 800px at 70% -10%,#17415b33,transparent),
             radial-gradient(900px 600px at -10% 80%,#3f1a4a33,transparent),
             linear-gradient(180deg,#0b0f14 0%,#0b0f14 100%);
  --text:#e6f0ff;
  --muted:#b6c2d4;
  --accent:#6ae3ff;
  --accent-2:#9b8cff;
  --glass:rgba(255,255,255,0.08);
  --glass-2:rgba(255,255,255,0.06);
  --stroke:rgba(255,255,255,0.18);
  --shadow:0 10px 30px rgba(0,0,0,0.35), inset 0 1px 0 rgba(255,255,255,0.06);
  --radius-lg:1rem;
  --radius-xl:1.25rem;
  --radius-full:9999px;
}
*{box-sizing:border-box}
html,body{padding:0;margin:0;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,sans-serif;background:var(--bg-grad);color:var(--text);line-height:1.6}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:1100px;margin:0 auto;padding:0 20px}

/* Navigation */
.nav{position:sticky;top:0;z-index:50;background:linear-gradient(180deg,rgba(11,15,20,0.9),rgba(11,15,20,0.6) 40%,rgba(11,15,20,0));backdrop-filter:blur(10px)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;padding:14px 0}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--text)}
.brand-badge{width:36px;height:36px;border-radius:var(--radius-full);background:linear-gradient(145deg,rgba(106,227,255,0.35),rgba(155,140,255,0.35));box-shadow:var(--shadow);display:grid;place-items:center;border:1px solid var(--stroke)}
.badge-dot{width:8px;height:8px;border-radius:var(--radius-full);background:var(--text);box-shadow:0 0 12px var(--accent)}
.menu{display:flex;gap:16px;align-items:center}
.menu a{padding:8px 12px;border-radius:12px;color:var(--muted)}
.menu a.active,.menu a:hover{color:var(--text);background:var(--glass);border:1px solid var(--stroke);box-shadow:var(--shadow);text-decoration:none}
.menu-toggle{display:none;background:var(--glass);border:1px solid var(--stroke);border-radius:12px;padding:8px 12px;color:var(--text)}

/* Hero */
.hero{padding:72px 0 24px}
.glass{background:linear-gradient(160deg,rgba(255,255,255,0.12),rgba(255,255,255,0.06));border:1px solid var(--stroke);border-radius:var(--radius-xl);box-shadow:var(--shadow);backdrop-filter:blur(16px)}
.hero-inner{display:grid;grid-template-columns:1.2fr 1fr;gap:28px;align-items:center}
.hero h1{font-size:44px;line-height:1.1;margin:0 0 12px}
.hero p{margin:0 0 20px;color:var(--muted)}
.cta{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 16px;border-radius:14px;border:1px solid var(--stroke);background:var(--glass);color:var(--text);box-shadow:var(--shadow)}
.btn.primary{background:linear-gradient(135deg,rgba(106,227,255,0.35),rgba(155,140,255,0.35));border-color:transparent}
.btn:hover{transform:translateY(-1px);transition:transform .2s ease}

/* Sections */
.section{padding:36px 0}
.section .section-card{padding:22px}
.kicker{color:var(--accent);font-weight:700;letter-spacing:.08em;text-transform:uppercase;font-size:12px}
.h2{font-size:28px;margin:10px 0 8px}
.muted{color:var(--muted)}
.grid{display:grid;gap:16px}
.grid.cols-3{grid-template-columns:repeat(3,1fr)}
.grid.cols-2{grid-template-columns:repeat(2,1fr)}
.card{padding:18px;border-radius:16px;border:1px solid var(--stroke);background:linear-gradient(180deg,var(--glass),var(--glass-2));box-shadow:var(--shadow)}
.card h3{margin:0 0 6px;font-size:18px}
.card p{margin:0;color:var(--muted)}
.icon{width:28px;height:28px;border-radius:10px;background:linear-gradient(145deg,rgba(106,227,255,0.35),rgba(155,140,255,0.35));display:grid;place-items:center;margin-bottom:8px;border:1px solid var(--stroke)}

/* Pricing */
.pricing{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.tier{padding:22px}
.price{font-size:32px;font-weight:800;margin:8px 0}
.features{margin:8px 0 0;padding-left:18px}
.features li{margin:6px 0;color:var(--muted)}

/* Footer */
.footer{padding:40px 0;color:var(--muted)}
.footer-inner{display:flex;justify-content:space-between;flex-wrap:wrap;gap:16px}
.small{font-size:12px}

/* Links page */
.links-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.link-card h4{margin:0 0 6px}
.link-card ul{margin:0;padding-left:18px}
.link-card li{margin:6px 0}

/* Responsive */
@media (max-width: 900px){
  .hero-inner{grid-template-columns:1fr}
  .grid.cols-3{grid-template-columns:1fr}
  .grid.cols-2{grid-template-columns:1fr}
  .pricing{grid-template-columns:1fr}
  .links-list{grid-template-columns:1fr}
  .menu{display:none}
  .menu.open{display:flex;flex-direction:column;position:absolute;right:20px;top:56px;background:var(--glass);border:1px solid var(--stroke);padding:10px;border-radius:12px}
  .menu-toggle{display:inline-flex}
}