.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  cursor: pointer;
}

.menu-toggle span {
  width: 26px;
  height: 3px;
  background: #0b1c2d;
  border-radius: 2px;
  transition: 0.3s ease;
}

header {
  width: 100%;
  background: #fff;
  z-index: 1000;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.06);
}

.header {
  max-width: 1300px;
  margin: auto;
  padding: 18px 30px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header .logo img {
  height: 53px;
}

@media (max-width: 768px) {
  .header {
    position: relative;
    padding: 18px 24px;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
  }

  .header .logo {
    display: flex;
    align-items: center;
    flex: 0 1 auto;
  }

  .header .logo img {
    height: 53px;
    width: auto;
    display: block;
  }

  .menu-toggle {
    display: flex;
    margin-left: auto;
    flex-shrink: 0;
  }

  #mainNav {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: #fff;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    display: none;
    z-index: 20;
  }

  #mainNav.active {
    display: block;
  }

  #mainNav ul {
    margin: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 20px;
  }

  #mainNav ul li {
    width: 100%;
  }

  #mainNav ul li a {
    display: block;
    width: 100%;
    padding: 14px 0;
  }

  .btn {
    text-align: center;
    margin-top: 10px;
  }
}

@media (max-width: 640px) {
  .header {
    flex-direction: row !important;
    align-items: center !important;
    justify-content: space-between !important;
  }
}