//@import "bumbleberry";
@import "settings";

body {
	color: #333;
	position: relative;
	z-index: -1;
}

h1, h2, h3, h4, h5, label, button {
	@include font-family(secondary);
}

h2 {
	margin: 0;
	font-size: 6vw;
}

p {
	font-size: 4vw;
}

a {
	text-decoration: none;
	color: $colour-1;
	border-bottom: 0 solid;
	outline: 0;
	position: relative;

	@include after {
		content: '';
		position: absolute;
		border-bottom: 0 solid;
		right: 0;
		bottom: 0;
		left: 0;
		opacity: 0;
		@include _(transition, all 150ms ease-in-out);
		@include _(transform, translateY(-1em));
	}

	&:hover,
	&:active,
	&:focus {
		@include after {
			border-bottom: 0.1em solid;
			opacity: 1;
			transform: translateY(0);
		}
	}
}

@include selection {
	background-color: rgba($colour-2, 0.75);
	color: rgba(#FFF, 0.75);
}

#main-nav {
	position: relative;
	top: 0;
	left: 0;
	width: 100%;
	background-color: #FFF;
	@include default-box-shadow(top, 2);
	z-index: 1;

	.nav {
		text-align: center;
		clear: left;
		overflow: auto;
		background-color: $colour-3;

		a {
			position: relative;
			display: inline-block;
			margin: 0;
			padding: 1em 0;
			float: left;
			@include font-family(secondary);
			text-decoration: none;
			font-size: 2.25vw;
			outline: none;
			border: 0;
			width: 33.33%;
			background-color: $colour-5;
			color: #FFF;
  			text-shadow: 0 0 0.35em #000;

			@include after {
				display: none;
			}

			@include before {
				background-color: $colour-5;
			}

			&:nth-child(2) {
				background-color: $colour-4;

				@include before {
					background-color: $colour-4;
				}
			}

			&:nth-child(3) {
				background-color: $colour-3;

				@include before {
					background-color: $colour-3;
				}
			}
		}
	}

	.actions {
		text-align: center;
		position: absolute;
		top: rems(1.5);
		right: rems(1);
	}
}

#main {
	position: relative;
	z-index: -1;
	max-width: (rems(68) - $sidebar-width) * 2;
	background-color: #FFF;
	padding-bottom: rems(2);

	article {
		padding: rems(3.5) 7.5%;

		&.supplementary {
			//background-color: $colour-3;
			margin: rems(1) 7.5%;
			overflow: hidden;
			border-radius: 0.33em;
			border: 0.1rem solid #DDD;
			background-color: #F7F7F7;
			@include default-box-shadow(top, 2);
		}

		figure {
			float: left;
			background-size: cover;
			background-position: center;
			background-repeat: no-repeat;
			width: 33%;
			height: 12em;
			margin-left: -1em;
			margin-top: 2em;
			margin-right: 1.5em;
			margin: 2em 1.5em 1.5em -1.5em;
		}
	}
}

a.logo {
	display: inline-block;
	font-size: rems(5);
	text-decoration: none;
	padding: 0.1em;
	border: 0;
	float: left;
	@include clearfix;

	&:hover,
	&:active,
	&:focus {
		@include after {
			display: none;
		}
	}
}

@if capable_of(svg) {

	@include keyframes(active-logo) {
		0% { fill: $colour-1; }
		15% { fill: $colour-5; }
		30% { fill: $colour-3; }
		45% { fill: $colour-4; }
		60% { fill: $colour-2; }
	}

	@include keyframes(banner-load) {
		0% { fill: #888; }
	}

	svg.bb-icon-logo {
		fill: $colour-1;
	}
	svg.bb-icon-logo-text {
		fill: #333;
	}

	.logo svg {
		display: inline-block;
		height: 1em;
		width: 1em;
		float: left;
	}

	.logo:hover svg.bb-icon-logo {
		@include _(animation, active-logo 4s infinite);
	}
}

#banner {
	clear: left;

	figure {
		width: 100%;
		max-width: rems(60);
		margin: 0;
	}

	img {
		width: 100%;
		@include default-box-shadow;
	}
}

$header-tilt: 8deg;

#header-title {
	font-size: 2.25vw;
	background-size: cover;
	background-position: 50% 20%;
	background-repeat: no-repeat;
	background-color: $colour-1;
	color: #EEE;
	overflow: hidden;
	position: relative;
	z-index: -1;

	rect {
		fill: $colour-1;
	}

	svg {
		.colour-1 { fill: $colour-1; }
		.colour-2 { fill: $colour-2; }
		.colour-3 { fill: $colour-3; }
		.colour-4 { fill: $colour-4; }
		.colour-5 { fill: $colour-5; }
	}

	&.no-image,
	&.short {
		h1 {
			text-align: center;
			font-size: 3.5em;
			margin: 0.25em 0.5em;
			position: relative;
			z-index: 1;
			text-shadow: 0 0 0.15em #000;
		}
	}

	svg {
		display: none;
		position: absolute;
		width: 100%;
		height: 100%;
	}

	.title {
		position: relative;
		padding: 1%;
		overflow: hidden;
		text-align: center;
		@include _(text-shadow, 0 0.2em 0.5em rgba(32, 32, 32, 0.5))
	}

	.background {
		position: absolute;
		@include _(transform, rotate($header-tilt));
		color: $colour-1;
		@include _(opacity, 0.65);
		margin: -4% -2%;
		@if capable_of(calc) {
			font-size: calc(5vw + #{rems(7)});
		} @else {
			font-size: rems(11);
		}
		display: none;
	}

	.details {
		position: relative;
		display: inline-block;
		color: #FFF;
		@include _(text-shadow, 0 0.2em 0.5em rgba(32, 32, 32, 0.75));
	}

	.primary {
		font-size: 2.5em;
		margin: 0;
	}

	.secondary {
		font-size: 1.5em;
	}
}

#footer {
	padding: 1em;

	.copy {
		@include clearfix;

		a {
			float: right;
			color: #666;
		}
	}

	.facebook {
		float: left;

		a {
			@include after {
				display: none;
			}
			svg {
				@include _(transition, fill 250ms ease-in-out);
			}
			&:hover, &:active, &:focus {
				svg {
					fill: #3B579D;
				}
			}
		}
	}

	.github, .facebook {
		.icons {
			width: 1.5em;
			height: 1.5em;
			fill: #333;
			vertical-align: middle;
		}
	}
	.github {
		position: relative;
		background-color: #FFF;
		border-radius: 0.25em;
		border: 0.1em solid #DDD;
		padding: 0.5em 0.5em 0.5em 2em;
		text-align: center;
		z-index: 1;
		margin-bottom: 0.5em;

		a {
			margin: 0 0.5em;
			font-size: 0.8em;
			font-weight: bold;
			color: inherit;
		}

		.icons {
			position: absolute;
			left: 0.5em;
			top: 0.45em;
		}
	}
}

@include breakpoint(medium) {
	h2 {
		font-size: 2.25em;
	}

	p {
		font-size: 1.4em;
	}

	#banner {
		figure {
			margin: rems(-20) auto rems(2);
		}
	}
	
	#main {
		clear: right;
	}

	#main-nav {
		height: rems(6);

		.nav {
			width: 80%;
			clear: none;
			padding-top: rems(1.5);
			background-color: transparent;
			overflow: visible;

			a {
				padding: 0;
				float: none;
				width: auto;
				margin: 0 0.5em 0.75em;
				font-size: 1em;
				color: #666;
				background-color: transparent;
				@include _(text-shadow, 0 0.125em 0.25em #888);

				&:nth-child(n) {
					background-color: transparent;
				}

				&.current {
					color: $colour-1;
				}

				@include after {
					content: '';
					display: block;
					position: absolute;
					bottom: -0.1em;
					right: 0;
					left: 0;
					width: 0;
					margin: 0 auto;
					opacity: 1;
					border-bottom: 0.15em solid;
					@include _(box-shadow, 0 0.075em 0.15em #888);
					@include _(transition, width 250ms ease-in-out);
					@include _(transform, none);
				}

				&:hover,
				&:active,
				&:focus {
					@include after {
						width: 100%;
					}
				}
			}
		}

		.actions {
			font-size: 2vw;
		}
	}

	#header-title {
		min-height: rems(35);
		font-size: 1em;

		&.short {
			font-size: 2em;
			min-height: rems(15);

			h1 {
				position: absolute;
				bottom: 0;
				text-align: left;
				font-size: 2em;
			}

			@include before {
				content: '';
				position: absolute;
				top: 0;
				right: 0;
				bottom: 0;
				left: 0;
				z-index: 1;
				@include _(box-shadow, inset 0 -13rem 3em -4rem rgba(0, 0, 0, 0.8));
				@include _(transition, opacity 250ms ease-in-out);
			}
		}

		&.no-image {
			min-height: 0;
			font-size: 2em;
		}

		svg {
			display: block;
		}

		svg rect {
			@include _(animation, banner-load 1s ease-in-out);
		}

		.title {
			text-align: left;
			width: 110%;
			background-color: rgba(#FFF, 0.5);
			@include _(transform, rotate(-$header-tilt) translate3d(0, 0, 0));
			@include _(transform-origin, 0 100%);
		}

		.details {
			text-align: right;
			color: #000;
		}

		.background {
			display: block;
		}
		
		.primary {
			padding: 12% 0 0 0.25em;
		}
	}

	#footer {
		.github {
			bottom: 0.5em;
			left: 2em;
			float: left;
		}
		.facebook {
			position: absolute;
			left: 0.5em;
		}
	}
}

@include breakpoint(large) {
	#banner {
		body.fixed-banner & {
			position: fixed;
			top: 0;
			right: 0;
			left: $sidebar-width;
			z-index: 1;
		}

		figure {
			width: 90%;
		}
	}
	
	#main-nav {
		position: fixed;
		width: $sidebar-width;
		height: 100%;
		@include default-box-shadow(left, 2);

		.nav {
			text-align: left;
			padding-top: rems(9);
			width: 100%;

			a {
				font-size: 1.6em;
				margin: 0.75em 1em;
				display: block;

				@include after {
					display: none;
					@include _(transition, none);
					position: absolute;
					font-size: 0.25em;
					top: 1.5em;
					right: -1em;
					bottom: 0;
					left: auto;
					margin: auto;
					width: 0;
					height: 0;
					border-style: solid;
					border-width: 1em 0 1em 1.5em;
					border-color: transparent transparent transparent rgba(#000, 0.25);
					max-width: 0;
					@include _(box-shadow, none);
				}

				@include before {
					content: '';
					position: absolute;
					top: -0.5em;
					right: -1em;
					left: -1em;
					height: 2em;
					z-index: -1;
					@include _(transform, skewY(3.3deg) translate3d(0, 0, 0));
					@include _(opacity, 0.5)
				}

				&.current {
					color: #333;
					@include before {
						@include _(opacity, 0.75);
					}
					@include after {
						display: block;
					}
				}

				&:hover, &:active, &:focus {
					color: #333;

					@include before {
						@include _(opacity, 1)
					}
				}
			}
		}

		.actions {
			position: relative;
			top: 0;
			right: 0;
			font-size: 1em;
		}
	}

	#main {
		padding-left: $sidebar-width;
	}

	#header-title {
		&.no-image {
			min-height: rems(10);
		}
		&.short {
			min-height: rems(25);
		}
		&.no-image,
		&.short {
			h1 {
				position: absolute;
				bottom: 0;
			}
		}
	}

	a.logo {
		display: block;
		float: none;
		font-size: rems(7.5);
		padding: 0.2em;
	}

	.paypal-button {
		margin: 4em 2em 0 0;
	}
	
	#footer {
		position: fixed;
		z-index: 1;
		bottom: 0;
		left: 0;
		width: $sidebar-width;

		.github {
			position: absolute;
			border-color: transparent;
			max-width: 2.25em;
			height: 2.25em;
			left: 0.5em;
			overflow: hidden;
			color: transparent;
			@include _(transition, all 250ms ease-in-out);

			&:hover {
				@if capable_of(calc) {
					max-width: calc(100% - 1em);
				} @else {
					max-width: 100%;
				}
				color: #333;
				border-color: #DDD;
				@include default-box-shadow(top, 2, true);
			}

			.icons {
				left: 0.5em;
				top: 0.45em;
				width: 1.5em;
				height: 1.5em;
				fill: #333;
				vertical-align: middle;
				position: absolute;
			}

			a {
				margin: 0 0.5em;
				font-size: 0.8em;
				font-weight: bold;
				color: inherit;
			}
		}
		.facebook {
			position: relative;
			left: 2.5em;
  			bottom: 0.25em;
		}
	}
}

button {
	position: relative;
	color: #FFF;
	background-color: $colour-1;
	border: 0;
	padding: 0.5em 1em;
	font-size: 1.25em;
	outline: 0;
	border-bottom: 0.125em solid rgba(0, 0, 0, 0.15);
	@include _(border-radius, 0.15em);
	@include default-box-shadow(top, 2);
	overflow: hidden;
	cursor: pointer;

	@include before-and-after {
		content: '';
		position: absolute;
		display: block;
		top: 0;
		right: 100%;
		font-size: 1.15em;
		background-color: rgba(0, 0, 0, 0);
		border-color: transparent;
		@include _(transition, all 250ms ease-in-out);
	}
	@include before {
		height: 100%;
		width: 100%;
		margin-right: 1em;
	}
	@include after {
		border-style: solid;
		border-width: 1em 0 1em 1em;
	}

	&:hover,
	&:focus,
	&:hover,
	&:focus {
		@include before-and-after {
			right: -1em;
			border-left-color: rgba(0, 0, 0, 0.15);
		}
	}
	&:hover,
	&:focus {
		@include before {
			background-color: rgba(0, 0, 0, 0.15);
		}
	}

	&:active {
		@include _(transform, scale(0.95));

		@include after {
			left: 120%;
		}
	}

	&:disabled {
		@include _(opacity, 0.5);
		cursor: inherit;

		@include before-and-after {
			display: none;
		}
	}
}

@mixin header-colour($page, $colour) {
	body.#{$page} {
		#header-title {
			background-color: $colour;

			rect {
				fill: $colour;
			}
		}
	}
}

@include header-colour(about, $colour-4);
@include header-colour(policy, $colour-3);