blog/sass/_nav.scss

#site-nav {
	-webkit-backdrop-filter: var(--blur);
	position: sticky;
	top: 1rem;
	z-index: 999;
	backdrop-filter: var(--blur);
	margin: 1rem auto;
	box-shadow: var(--edge-highlight), 0px 12px 24px -16px rgba(0, 0, 0, 0.5);
	border-radius: 26px;
	background-color: var(--nav-bg);
	max-width: min(var(--container-width), 90%);

	nav {
		display: flex;
		flex-wrap: wrap;
		justify-content: center;
		align-items: center;
		padding: 0.5rem;

		ul {
			display: flex;
			flex-wrap: wrap;
			justify-content: center;
			gap: 0.25rem;
			margin: 0;
			padding: 0;
		}

		li {
			display: inline-flex;
			list-style: none;

			@media only screen and (max-width: 480px) {
				&.link {
					display: none;
				}
			}
		}

		a,
		summary {
			position: relative;
			transition-duration: var(--transition);
			transition-property: box-shadow, background-color, color, transform;
			border-radius: 999px;
			padding: 0.325rem 0.75rem;
			color: var(--fg-muted-4);

			&:hover {
				box-shadow: var(--edge-highlight);
				background-color: var(--fg-muted-1);
				color: var(--primary-color);
			}

			&:active {
				transform: scale(var(--active));
			}
		}

		a {
			text-decoration: none;

			&:hover {
				text-decoration: none;
			}

			&.active {
				&:hover::before {
					right: 1rem;
					left: 1rem;
					border-bottom: 0.25rem solid var(--primary-color);
				}

				&:active::before {
					border-radius: 0.25rem;
				}

				&::before {
					display: block;
					position: absolute;
					top: -0.5rem;
					right: 1.5rem;
					left: 1.5rem;
					transition-duration: var(--transition);
					transition-property: right, left, border-bottom, border-radius;
					border-bottom: 0.25rem solid var(--fg-muted-2);
					border-radius: 0 0 0.25rem 0.25rem;
					content: "";
				}
			}
		}

		#main-content {
			position: absolute;
			transform: translateY(-100%);
			opacity: 0;
			z-index: 999;
			transition-duration: var(--transition);
			transition-property: transform, opacity;
			background: var(--bg-color), var(--primary-color);
			pointer-events: none;

			&:focus {
				transform: translateY(0);
				opacity: 1;
			}
		}

		#home {
			position: relative;
			margin-right: 0.625rem;

			&::after {
				position: absolute;
				top: 0;
				right: -0.5rem;
				background-color: var(--fg-muted-2);
				width: 1px;
				height: 110%;
				content: "";
			}

			a {
				color: var(--fg-muted-5);
				font-weight: 800;

				&:hover {
					color: var(--primary-color);
				}
			}
		}

		#feed a,
		#dropdown summary {
			padding: 0.325rem 0.625rem;

			&:hover i {
				background-color: var(--primary-color);
			}

			span {
				display: none;
			}
		}

		#dropdown {
			display: none;

			details {
				position: relative;
				border-radius: unset;
				background-color: unset;
				padding: 0;

				summary {
					transition-duration: var(--transition);
					transition-property: box-shadow, background-color, color, transform;
					border-radius: 999px;
					background-color: unset;
					color: var(--fg-muted-4);
					list-style: none;

					&::marker,
					&::-webkit-details-marker {
						display: none;
					}

					&:hover {
						box-shadow: var(--edge-highlight);
						background-color: var(--fg-muted-1);
						color: var(--primary-color);

						i {
							background-color: var(--primary-color);
						}
					}

					&:active {
						transform: scale(var(--active));
					}
				}

				ul {
					-webkit-backdrop-filter: var(--blur);
					position: absolute;
					left: 50%;
					transform: translate(-50%, 1rem);
					z-index: 1;
					backdrop-filter: var(--blur);
					box-shadow: var(--edge-highlight), var(--shadow);
					border-radius: var(--rounded-corner);
					background-color: var(--nav-bg);
					padding: 0.25rem;
					text-align: center;

					li {
						width: 100%;

						a {
							border-radius: calc(var(--rounded-corner) - 0.25rem);
							width: 100%;

							&.active::before {
								top: 0;
								border-radius: 0.25rem;
							}
						}
					}
				}
			}

			@media only screen and (max-width: 480px) {
				display: inline-flex;
			}
		}

		#feed-icon,
		#menu-icon {
			vertical-align: -0.125em;
			transition: background-color var(--transition);
			background-color: var(--fg-muted-4);
			width: 1rem;
			height: 1rem;
		}

		#feed-icon {
			$icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16'%3E%3Cpath d='M1.988 1.988V3c.008.547.453.984 1 .988.004-.004.008-.004.012-.004v.028A8.977 8.977 0 0 1 11.988 13a.991.991 0 0 0 1 .984h1V13h-.004c0-.004 0-.004.004-.008C13.984 7.02 9.184 2.148 3.242 2.02A1.004 1.004 0 0 0 3 1.988v-.004zm0 4V7c.008.547.453.984 1 .988.004-.004.008-.004.012-.004V8a4.985 4.985 0 0 1 4.996 4.844 1.002 1.002 0 0 0 .988 1.145c.008-.005.012-.005.016-.005v.004h.984V13H10c0-3.793-3.047-6.898-6.82-6.992 0-.004-.004-.004-.004-.004A.892.892 0 0 0 3 5.988v-.004zm2 4a1.999 1.999 0 1 0-.002 3.998 1.999 1.999 0 0 0 .002-3.998m0 0'%3E%3C/path%3E%3C/svg%3E");
			-webkit-mask-image: $icon;
			mask-image: $icon;
		}

		#menu-icon {
			$icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16'%3E%3Cpath d='M1 2h14v2H1zm0 5h14v2H1zm0 5h14v2H1zm0 0'/%3E%3C/svg%3E");
			-webkit-mask-image: $icon;
			mask-image: $icon;
		}
	}
}