@use "@/_styles/theme" as *;

.section
{
	@include flex(column);
	gap: $spacingXXXL;

	h2
	{
		text-align: center;
	}

	// Properties shared between horizontal and vertical timelines
	.timeline
	{
		@include maxCenter(1600px);
		display: grid;
		position: relative;

		.line
		{
			z-index: -1;
			position: absolute;
			display: grid;

			> *
			{
				grid-row: 1;
				grid-column: 1;
			}

			.strip
			{
				border-radius: $borderRadiusMedium;
			}

			.trailHorizontal
			{
				width: 100%;
				height: auto;
			}

			.trailVertical
			{
				height: 100%;
				width: auto;
			}
		}

		.item
		{
			display: grid;

			.year
			{
				@include subtitle1($fontFamilyBaseAlt);
			}

			> i
			{
				display: block;
				height: 32px;
				width: 32px;

				border: $strokeWidthThickest solid $colorNeutralForeground1;
				border-radius: $borderRadiusCircular;
				background-color: $colorNeutralForeground1;
				box-shadow: inset 0 0 0 16px $colorNeutralBackground1;
			}

			.description
			{
				p
				{
					@include body2($fontFamilyBaseAlt);
					color: $colorNeutralForeground3;
				}

				.title
				{
					@include subtitle1($fontFamilyBaseAlt);
				}
			}
		}

		// Vertical timeline
		@media screen and (max-width: 860px)
		{
			gap: $spacingXXXL;

			.line
			{
				height: 100%;
				width: 8px;
				left: 88px;
				justify-content: center;
				justify-items: center;

				.strip
				{
					width: 8px;
					height: 100%;
					background-image:
						repeating-linear-gradient($colorNeutralForeground1 0 $spacingM, transparent 0 $spacingXXL);
				}

				.trailHorizontal
				{
					display: none;
				}
			}

			.item
			{
				grid-template-columns: 64px auto 1fr;
				padding: $spacingXXXL $spacingNone;
				gap: $spacingM;
				align-items: center;
			}
		}

		// Horizontal timeline
		@media screen and (min-width: 861px)
		{
			grid-auto-flow: column;

			.line
			{
				bottom: 72px;
				width: 100%;
				height: 8px;
				align-content: center;
				align-items: center;

				.strip
				{
					height: 8px;
					background-image:
						repeating-linear-gradient(90deg, $colorNeutralForeground1 0 $spacingM, transparent 0 $spacingXXL);
				}

				.trailVertical
				{
					display: none;
				}
			}

			.item
			{
				grid-template-rows: 128px auto 48px;
				padding: $spacingNone $spacingM;
				row-gap: $spacingM;

				.year
				{
					grid-row: 3/3;
				}

				> i
				{
					grid-row: 2/2;
					transition: box-shadow $durationNormal $curveEasyEaseMax;
				}

				h3,
				p
				{
					transition-property: font-size, line-height, opacity;
					transition-duration: $durationNormal;
					transition-timing-function: $curveEasyEaseMax;
				}

				.description
				{
					grid-row: 1/1;
					align-self: self-end;

					p
					{
						font-size: 0;
						opacity: 0;
					}

					@media screen and (max-width: 1200px)
					{
						.title
						{
							opacity: 0;
							font-size: 0;
						}
					}
				}
			}

			// When there's something hovered or focused inside the timeline
			&:has(:hover, :focus-visible, :focus-within) .item
			{

				// Item that is being hovered or focused
				&:is(:hover, :focus-visible, :focus-within)
				{

					.year,
					.title
					{
						@include title1($fontFamilyBaseAlt);
						opacity: 1;
					}

					> i
					{
						box-shadow: inset 0 0 0 0 $colorNeutralBackground1;
					}

					.description > p
					{
						@include subtitle2($fontFamilyBaseAlt);
						opacity: 1;
					}
				}

				// Other not focused items
				&:not(:hover, :focus-visible, :focus-within)
				{

					.year,
					.title
					{
						@include body1($fontFamilyBaseAlt);
						color: $colorNeutralForeground3;

						@media screen and (max-width: 1200px)
						{
							opacity: 0;
							font-size: 0;
						}
					}
				}
			}
		}
	}
}