:root {
  --bg: #050a15;
  --panel: rgba(255, 255, 255, 0.05);
  --text: #ffffff;
  --muted: #a1a1aa;
  --accent: #3b82f6;
  --accent-glow: rgba(59, 130, 246, 0.5);
  --border: rgba(255, 255, 255, 0.1);
  --radius: 12px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

/* Scroll offset to prevent sticky header from hiding titles */
section { padding: 80px 0; scroll-margin-top: 100px; }

body {
  margin: 0;
  font-family: 'Inter', -apple-system, system-ui, sans-serif;
  color: var(--text);
  background-color: var(--bg);
  line-height: 1.6;
}

body::before {
  content: ""; position: fixed; top: 0; left: 0; width: 100%; height: 100%;
  background: radial-gradient(circle at 10% 10%, rgba(59, 130, 246, 0.1), transparent 40%),
              radial-gradient(circle at 90% 90%, rgba(59, 130, 246, 0.05), transparent 40%);
  z-index: -1;
}

.container { width: min(1100px, 90%); margin: 0 auto; }
a { color: inherit; text-decoration: none; transition: 0.3s; }

/* Navigation */
.topbar {
  position: sticky; top: 0; z-index: 100;
  background: rgba(5, 10, 21, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 12px 0;
}
.nav { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 15px; font-weight: 700; font-size: 1.2rem; }
.logo-img { height: 64px; width: auto; display: block; filter: drop-shadow(0 0 10px var(--accent-glow)); cursor: pointer; }

.navlinks { display: flex; gap: 20px; flex-wrap: wrap; justify-content: center;}
.navlinks a { font-size: 0.9rem; color: var(--muted); }
.navlinks a:hover { color: #fff; }

/* Buttons */
.btn { display: inline-flex; align-items: center; padding: 12px 24px; border-radius: 8px; font-weight: 600; cursor: pointer; transition: 0.3s; border: none; font-family: inherit; font-size: 1rem; }
.btn.primary { background: var(--accent); color: #fff; }
.btn.primary:hover { transform: translateY(-2px); box-shadow: 0 5px 15px var(--accent-glow); }
.btn.secondary { background: transparent; border: 1px solid var(--border); color: var(--text); }
.btn.secondary:hover { background: var(--panel); }

/* Panels & Grids */
.panel { background: var(--panel); border: 1px solid var(--border); padding: 40px; border-radius: var(--radius); }
.highlight-border { border-color: var(--accent); }
.grid { display: grid; gap: 30px; grid-template-columns: 1fr 1fr; }
.cards { display: grid; gap: 20px; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.card { background: rgba(255,255,255,0.03); border: 1px solid var(--border); padding: 25px; border-radius: var(--radius); }

h2 { font-size: 2rem; margin-top: 0; }
h3 { color: var(--accent); margin-top: 0; }
.bullets { padding-left: 20px; color: var(--muted); }
.bullets li { margin-bottom: 10px; }
.tag { display: inline-block; background: var(--accent); color: #fff; padding: 4px 12px; border-radius: 4px; font-size: 0.8rem; margin-top: 15px; font-weight: 600; }

/* Hero */
.hero { text-align: center; padding-top: 100px; }
.kicker { color: var(--accent); font-weight: 700; text-transform: uppercase; font-size: 0.85rem; letter-spacing: 1px; margin-bottom: 20px; }
h1 { font-size: clamp(2.5rem, 5vw, 4rem); line-height: 1.1; margin: 0 0 20px; }
.subhead { font-size: 1.2rem; color: var(--muted); max-width: 800px; margin: 0 auto 30px; }
.chips { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 15px; margin-top: 50px; }
.chip { background: var(--panel); border: 1px solid var(--border); padding: 20px; border-radius: var(--radius); font-size: 0.95rem; text-align: left; }

.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 20px; }
.step { background: var(--panel); padding: 25px; border-radius: var(--radius); border: 1px solid var(--border); }
.num { font-size: 2rem; font-weight: 800; color: var(--accent); opacity: 0.5; margin-bottom: 10px; }

/* Case Studies Links */
.case-study-link {
  color: var(--text);
  text-decoration: underline;
  text-decoration-color: var(--border);
  transition: color 0.3s ease, text-decoration-color 0.3s ease;
}
.case-study-link:hover {
  color: var(--accent);
  text-decoration-color: var(--accent);
}

/* CTA */
.cta-box { background: linear-gradient(135deg, #0044cc, #001133); padding: 60px; border-radius: 20px; text-align: center; }
.cta-box h2 { margin-bottom: 15px; }

/* Symmetrical Footer */
.main-footer { border-top: 1px solid var(--border); margin-top: 80px; width: 100%; }
.footer-container { display: flex; flex-wrap: wrap; align-items: stretch; }

.footer-left { flex: 0 0 70%; background: #000; padding: 80px 5%; display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }
.footer-right { flex: 0 0 30%; background: var(--accent); padding: 80px 4%; display: flex; flex-direction: column; color: #fff;}

.footer-logo { height: 45px; width: auto; margin-bottom: 20px; display: block; }
.footer-col h4, .footer-right h4 { margin: 0 0 20px; text-transform: uppercase; font-size: 0.85rem; letter-spacing: 1px; color: #fff; }
.tagline { color: var(--muted); margin-bottom: 25px; font-size: 0.9rem; font-style: italic; }

.social-icons { display: flex; gap: 15px; flex-wrap: wrap; margin-bottom: 30px; }
.social-icons a { color: #fff; opacity: 0.6; font-size: 1.25rem; transition: 0.3s; }
.social-icons a:hover { opacity: 1; color: var(--accent); transform: translateY(-3px); }

.footer-nav a, address { display: block; color: var(--muted); font-size: 0.9rem; margin-bottom: 12px; font-style: normal; }
.footer-nav a:hover { color: #fff; }

.legal-info { border-top: 1px solid #222; padding-top: 25px; font-size: 0.8rem; color: #444; display: flex; gap: 20px; flex-wrap: wrap; justify-content: space-between;}
.legal-link { color: #444; text-decoration: underline; }

.newsletter-form { display: flex; flex-direction: column; gap: 15px; margin-top: auto; }
.newsletter-form input { padding: 14px; border-radius: 6px; border: 1px solid rgba(255,255,255,0.2); background: rgba(0,0,0,0.1); color: #fff; font-family: inherit;}
.btn-submit { padding: 14px; border-radius: 6px; border: none; background: #fff; color: var(--accent); font-weight: 700; cursor: pointer; font-family: inherit;}

@media (max-width: 950px) {
  .grid, .steps { grid-template-columns: 1fr; }
  .navlinks { display: none; }
  .footer-left, .footer-right { flex: 0 0 100%; }
  .footer-left { grid-template-columns: 1fr 1fr; }
}