:root {
  --bg-light: #f8fafc;
  --bg-card: rgba(255, 255, 255, 0.8);
  --border-color: rgba(0, 0, 0, 0.07);
  --text-main: #0f172a;
  --text-muted: #64748b;
  --primary: #1e3a8a;
  --primary-hover: #1d4ed8;
  --red: #dc2626;
  --red-hover: #b91c1c;
  --shadow-sm: 0 10px 30px -10px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 20px 40px -15px rgba(30, 58, 138, 0.1);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--bg-light);
  color: var(--text-main);
  font-family: 'Plus Jakarta Sans', sans-serif;
  overflow-x: hidden;
  scroll-behavior: smooth;
}

::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-light); }
::-webkit-scrollbar-thumb { background: rgba(0, 0, 0, 0.12); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary); }

.bg-orb {
  position: absolute;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(30, 58, 138, 0.05) 0%, rgba(255,255,255,0) 70%);
  z-index: -1;
  filter: blur(80px);
  pointer-events: none;
}

.orb-1 { top: 10%; left: -150px; }
.orb-2 { bottom: 10%; right: -200px; }

.navbar {
  background: rgba(255, 255, 255, 0.92) !important;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  transition: all 0.3s ease;
  padding: 14px 0;
}

.navbar-brand {
  font-weight: 800;
  font-size: 1.5rem;
  letter-spacing: -0.5px;
  color: #000000 !important;
  text-decoration: none;
}

.navbar-brand span {
  color: var(--red);
  -webkit-text-fill-color: var(--red);
  background: none;
}

.nav-link {
  color: var(--text-muted) !important;
  font-weight: 600;
  font-size: 0.9rem;
  padding: 6px 12px !important;
  transition: color 0.2s ease;
}

.nav-link:hover, .nav-link.active {
  color: var(--primary) !important;
}

.btn-nav {
  background: var(--primary);
  color: white !important;
  font-weight: 700;
  font-size: 0.9rem;
  padding: 8px 22px;
  border-radius: 8px;
  border: none;
  text-decoration: none;
  transition: background 0.2s ease, transform 0.2s ease;
  display: inline-block;
}

.btn-nav:hover {
  background: var(--primary-hover);
  color: white !important;
  transform: translateY(-1px);
}

/* Shared page footer */
footer {
  border-top: 1px solid var(--border-color);
  background: #ffffff;
  padding: 30px 0;
  color: var(--text-muted);
  font-size: 0.9rem;
  text-align: center;
}

footer a {
  color: var(--text-muted);
  text-decoration: none;
}

footer a:hover {
  color: var(--primary);
}