/* ThreatAI - styles.css (light professional theme) */
:root{
  --bg-1: #ffffff;
  --bg-2: #f7fafc;
  --accent: #0ea5a4; /* teal */
  --accent-2: #2563eb; /* blue */
  --muted: #6b7280; /* gray */
  --glass: rgba(15,23,42,0.03);
  --card: #ffffff;
  --radius: 12px;
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  background:linear-gradient(180deg,var(--bg-1),var(--bg-2));
  color:#0f1724;
  -webkit-font-smoothing:antialiased;
}
.container{max-width:1100px;margin:0 auto;padding:24px}
.header-inner{display:flex;align-items:center;justify-content:space-between}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:inherit}
.logo{width:42px;height:42px}
.brand-name{font-weight:700;letter-spacing:0.4px;color:#0b1220}
.nav{display:flex;gap:20px;align-items:center}
.nav a{color:var(--muted);text-decoration:none}
.nav a.btn-ghost{border:1px solid rgba(11,17,32,0.06);padding:8px 12px;border-radius:8px;color:var(--muted);background:transparent}
.nav-toggle{display:none;background:none;border:0;color:inherit}
.nav-toggle span{display:block;width:22px;height:2px;background:currentColor;margin:4px 0}

.hero{padding:64px 0}
.hero-inner{display:flex;gap:40px;align-items:center}
.hero-copy{flex:1}
.hero-visual{flex:1;display:flex;justify-content:center}
h1{font-size:clamp(28px,4vw,48px);margin:0 0 12px;color:#061024}
.tagline{color:var(--muted);margin-bottom:20px}
.btn{display:inline-flex;align-items:center;gap:10px;padding:12px 18px;border-radius:10px;text-decoration:none;cursor:pointer}
.btn-primary{background:linear-gradient(90deg,var(--accent),var(--accent-2));color:#fff;font-weight:600}
.btn-outline{border:1px solid rgba(11,17,32,0.06);color:var(--muted);background:transparent}
.cta{display:flex;gap:12px;margin-bottom:14px}
.stats{display:flex;gap:18px;margin-top:18px;list-style:none;padding:0}
.stats li{color:var(--muted);font-size:14px}
.stats strong{display:block;color:#0b1220}

.glass-card{width:320px;padding:18px;border-radius:12px;background:var(--card);box-shadow:0 6px 18px rgba(8,15,30,0.06);border:1px solid rgba(11,17,32,0.04)}
.fake-chart{height:120px;background:linear-gradient(90deg,rgba(37,99,235,0.08),rgba(14,165,164,0.08));border-radius:8px;margin-top:12px}

.section-title{text-align:center;font-size:22px;margin-top:8px;color:#061024}
.section-sub{text-align:center;color:var(--muted);margin-bottom:20px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px}
.card{background:var(--card);padding:18px;border-radius:12px;border:1px solid rgba(11,17,32,0.04);box-shadow:0 6px 20px rgba(8,15,30,0.04)}
.card h3{margin:10px 0;color:#071127}
.icon{width:36px;height:36px;color:var(--accent-2)}

.how{padding:36px 0}
.how-steps{display:flex;gap:16px;flex-wrap:wrap;justify-content:center}
.step{background:var(--glass);padding:16px;border-radius:12px;width:220px;text-align:center;border:1px solid rgba(11,17,32,0.03)}
.num{width:44px;height:44px;border-radius:50%;background:linear-gradient(90deg,var(--accent),var(--accent-2));display:inline-flex;align-items:center;justify-content:center;color:#fff;font-weight:700;margin-bottom:8px}

.pricing{padding:40px 0}
.pricing-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px}
.pricing-card{background:linear-gradient(180deg,rgba(255,255,255,1),rgba(250,252,255,1));padding:20px;border-radius:12px;text-align:center;border:1px solid rgba(11,17,32,0.04);box-shadow:0 8px 30px rgba(8,15,30,0.04)}
.pricing-card.featured{transform:scale(1.02);box-shadow:0 18px 40px rgba(8,15,30,0.06)}
.price{font-size:28px;margin:12px 0;color:#071127}
.pricing-card ul{list-style:none;padding:0;margin:12px 0}
.pricing-card li{color:var(--muted);margin:8px 0}

.contact{padding:40px 0}
.contact-inner{display:flex;gap:30px;align-items:flex-start}
.contact-copy{flex:1}
.contact-form{flex:1;display:flex;flex-direction:column;gap:10px;background:var(--card);padding:18px;border-radius:12px;border:1px solid rgba(11,17,32,0.04);box-shadow:0 6px 20px rgba(8,15,30,0.04)}
.contact-form label{display:flex;flex-direction:column;color:var(--muted);font-size:14px}
.contact-form input, .contact-form textarea{margin-top:8px;padding:10px;border-radius:8px;border:1px solid rgba(11,17,32,0.06);background:transparent;color:inherit}

.site-footer{border-top:1px solid rgba(11,17,32,0.04);padding:16px 0;margin-top:36px;background:transparent}
.footer-inner{display:flex;justify-content:space-between;align-items:center}
.footer-links a{color:var(--muted);text-decoration:none;margin-left:12px}

@media (max-width:880px){
  .hero-inner{flex-direction:column}
  .contact-inner{flex-direction:column}
  .nav{position:absolute;top:70px;right:24px;background:var(--card);padding:12px;border-radius:10px;flex-direction:column;display:none;border:1px solid rgba(11,17,32,0.04);box-shadow:0 10px 30px rgba(8,15,30,0.06)}
  .nav-toggle{display:block}
  .nav.open{display:flex}
}

/* small animations */
.card, .pricing-card, .glass-card{transition:transform .28s ease, box-shadow .28s ease}
.card:hover, .pricing-card:hover, .glass-card:hover{transform:translateY(-6px);box-shadow:0 22px 44px rgba(8,15,30,0.07)}