header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 9999;
  padding: 25px 0;
  transition: all .35s ease;
}

header.scrolled {
  background: #000;
  padding: 10px 0;
}

.nav-container {
  margin: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 25px;
}

.logo img {
  height: 90px;
  transition: all .35s ease;
}

header.scrolled .logo img {
  height: 45px;
}

.nav-menu {
  display: flex;
  gap: 35px;
  align-items: center;
}

.nav-menu a {
  color: #fff;
  text-decoration: none;
  font-size: 15px;
  letter-spacing: .05em;
  font-weight: 500;
  transition: opacity .3s;
}

.nav-menu a:hover {
  opacity: .7;
}

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

.menu-toggle span {
  display: block;
  background: #fff;
  height: 2px;
  margin: 5px 0;
  transition: .3s;
}

.menu-toggle span:nth-child(1) {
  width: 32px;
}

.menu-toggle span:nth-child(2) {
  width: 24px;
}

.menu-toggle span:nth-child(3) {
  width: 16px;
}

.menu-close {
  display: none;
}

@media (max-width:991px) {

  .logo img {
    height: 56px;
  }

  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: #000;
    flex-direction: column;
    justify-content: center;
    gap: 25px;
    transition: .35s;
  }

  .nav-menu.active {
    right: 0;
  }

  .menu-toggle {
    display: flex;
  }

  .menu-close {
    display: block;
    position: absolute;
    top: 25px;
    right: 25px;
    color: #fff;
    font-size: 26px;
    cursor: pointer;
  }

}