/* ===================================
   HEADER & NAVIGATION
   =================================== */

.modern-header {
  background: var(--white);
  padding: 10px 0;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
  transition: all 0.3s ease;
}

.modern-header.scrolled {
  padding: 5px 0;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo img {
  height: 50px;
  width: auto;
}

/* Navigation */
.main-nav ul {
  display: flex;
  list-style: none;
  gap: 40px;
}

.main-nav a {
  text-decoration: none;
  color: var(--text-dark);
  font-weight: 500;
  font-size: 16px;
  transition: color 0.3s ease;
}

.main-nav a:hover {
  color: var(--accent-blue);
}

.nav-link.active {
  color: var(--accent-blue);
  font-weight: 600;
  position: relative;
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--accent-blue);
  border-radius: 2px;
  animation: slideIn 0.3s ease;
}

@keyframes slideIn {
  from {
    width: 0;
  }
  to {
    width: 100%;
  }
}

/* Mobile active state */
@media (max-width: 991px) {
  .nav-link.active {
    background: rgba(46, 92, 154, 0.1);
  }

  .nav-link.active::after {
    display: none;
  }
}

/* Login Button */
.btn-login {
  display: inline-block;
  padding: 10px 24px;
  background: var(--accent-blue);
  color: var(--white);
  text-decoration: none;
  border-radius: 6px;
  font-weight: 500;
  font-size: 15px;
  transition: all 0.3s ease;
  margin-left: 20px;
}

.btn-login:hover {
  background: var(--primary-navy);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(46, 92, 154, 0.3);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 28px;
  cursor: pointer;
  color: var(--text-dark);
}

/* Mobile Navigation */
@media (max-width: 991px) {
  .mobile-menu-toggle {
    display: block;
  }

  .btn-login {
    display: none;
  }

  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--white);
    display: none;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  }

  .main-nav.active {
    display: block;
  }

  .main-nav ul {
    flex-direction: column;
    gap: 0;
  }

  .main-nav li {
    border-bottom: 1px solid #eee;
  }

  .main-nav a {
    display: block;
    padding: 14px 20px;
  }
}