:root {
  --primary: #3f69ff;
  --secondary: #0027a7;
  --accent: #4df6b3;
  --dark: #2d2d3a;
  --light: #f8f9fa;
  --gradient: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  --gradient-reverse: linear-gradient(
    135deg,
    var(--secondary) 0%,
    var(--primary) 100%
  );
}

body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background-color: #f5f7ff;
  color: var(--dark);
  padding: 0;
  margin: 0;
  overflow-x: hidden;
}

.navbar {
  background: var(--gradient);
  box-shadow: 0 4px 20px rgba(108, 77, 246, 0.3);
  transition: all 0.3s ease;
}

.navbar.scrolled {
  background: rgba(45, 45, 58, 0.95);
  backdrop-filter: blur(10px);
}

.navbar-brand {
  font-weight: 700;
  font-size: 1.8rem;
  color: white !important;
}

.nav-link {
  font-weight: 500;
  position: relative;
  padding: 8px 15px !important;
  transition: all 0.3s ease;
}

.nav-link:hover {
  transform: translateY(-2px);
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 15px;
  width: 0;
  height: 2px;
  background: white;
  transition: width 0.3s ease;
}

.nav-link:hover::after {
  width: calc(100% - 30px);
}

footer {
  background: var(--secondary);
  color: white;
  padding: 20px 0;
  margin-top: 40px;
}