nav.css

.nav-links a,
nav {
  transition: all .3s ease;
}

nav {
  position: fixed;
  width: 100%;
  height: var(--nav-height);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 1%;
  z-index: 1000;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

nav.hidden {
  transform: translateY(-100%);
}

.logo {
  font-size: clamp(2rem,4vw,3rem);
  font-weight: 700;
  color:  var(--primary-color);
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  gap: clamp(1rem,2vw,2rem);
}

.nav-links a {
  color: #000;
  text-decoration: none;
  font-size: clamp(1rem,1.5vw,1.2rem);
  font-weight: 500;
  padding: .5rem 1rem;
  border-radius: 25px;
}

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


.menu-toggle,
.mobile-menu {
  position: fixed;
  transition: all .3s ease;
}

.menu-toggle {
  top: 1.5%;
  right: 1.5%;
  width: 50px;
  height: 50px;
  background: rgba(10,10,10,.9);
  border-radius: 50%;
  display: none;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  z-index: 1001;
  opacity: 0;
  transform: scale(.8);
}

.menu-toggle.visible {
  display: flex;
  opacity: 1;
  transform: scale(1);
}

.menu-toggle i {
  color:  var(--primary-color);
  font-size: 1.5rem;
}

.menu-toggle:hover {
  transform: scale(1.05);
}

.mobile-menu {
  top: 0;
  right: -100%;
  width: 100%;
  height: 100vh;
  background: rgba(10,10,10,.95);
  padding: 80px 40px;
  z-index: 1000;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

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

.mobile-menu a {
  display: flex;
  justify-content: center;
  align-items: center;
}

.mobile-menu a {
  color: #fff;
  text-decoration: none;
  font-size: 1.2rem;
  padding: 35px;
  border-bottom: 1px solid rgba(255,255,255,.1);
  transition: all .3s ease;
}

.mobile-menu a:hover {
  color: var(--primary-color);
}