/* Navigation active state styles */
.main-nav a {
  position: relative;
  padding: 18px 15px;
  color: #fff;
  text-decoration: none;
  font-weight: 500;
  transition: all 0.3s ease;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-size: 14px;
  display: inline-block;
}

/* Underline for active and hover states */
.main-nav a::after {
  content: '';
  position: absolute;
  bottom: 10px;
  left: 15px;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width 0.3s ease;
}

/* Active state */
.main-nav a.active {
  color: #fff;
  font-weight: 600;
}

.main-nav a.active::after,
.main-nav a:hover::after {
  width: calc(100% - 30px);
}

/* Smooth scroll behavior */
html {
  scroll-behavior: smooth;
}