.main-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 80px;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  display: flex;
  align-items: center;
  box-shadow: 0 2px 15px rgba(0, 0, 0, 0.05);
  transition: var(--transition);
}

.header-container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo-wrapper {
  display: flex;
  align-items: center;
  text-decoration: none;
  gap: 0.75rem;
}

.logo-icon {
  background: var(--primary);
  color: var(--white);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  font-size: 1.25rem;
}

.logo-text {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.5px;
}

.logo-text span {
  color: var(--primary);
}

.nav-menu {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  align-items: center;
  gap: 2.5rem;
}

.nav-link {
  text-decoration: none;
  color: var(--text);
  font-weight: 500;
  font-size: 1rem;
  transition: var(--transition);
}

.nav-link:hover {
  color: var(--primary);
}

.cta-button {
  background-color: var(--primary);
  color: var(--white);
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius);
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
  box-shadow: 0 4px 12px rgba(var(--primary-rgb), 0.2);
}

.cta-button:hover {
  background-color: var(--primary-dark);
  transform: translateY(-2px);
}

.mobile-toggle-btn {
  display: none;
}

@media (max-width: 768px) {
  .main-header {
    height: 70px;
  }

  .mobile-toggle-btn {
    display: block;
    cursor: pointer;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text);
    padding: 0.5rem;
  }

  .nav-menu {
    display: block;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--white);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease-in-out;
    box-shadow: var(--shadow);
  }

  .nav-menu.active {
    max-height: 450px;
    padding: 1.5rem 0;
  }

  .nav-list {
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    padding: 0;
  }

  .nav-link {
    font-size: 1.1rem;
    display: block;
    width: 100%;
    text-align: center;
  }

  .nav-cta-item {
    width: 80%;
    text-align: center;
  }

  .cta-button {
    display: block;
    width: 100%;
  }
}