/**
 * Ketabbin 3.5 — lightweight in-header logo motion.
 */

.kb-motion-logo {
	--kb-logo-eye-x: 0;
	--kb-logo-eye-y: 0;
	position: relative;
	display: grid;
	width: 135px;
	height: 60px;
	place-items: center;
	isolation: isolate;
	animation: kb-logo-breathe 5.8s ease-in-out infinite;
	transform-origin: 50% 75%;
}

.kb-commerce-head .kb-brand .kb-motion-logo img {
	animation: none !important;
	transform: none !important;
}

.kb-motion-logo > a { position: relative; z-index: 1; }

.kb-motion-logo__stage {
	position: absolute;
	z-index: 2;
	inset: 0;
	pointer-events: none;
}

.kb-motion-logo__eye {
	position: absolute;
	top: 58%;
	display: block;
	width: 10.1%;
	aspect-ratio: 1;
	overflow: hidden;
	border: 1px solid rgba(7, 27, 44, .2);
	border-radius: 50%;
	background: #fffaf0;
	box-shadow: inset 0 0 4px rgba(7, 27, 44, .11);
	transform: translate(-50%, -50%);
}

.kb-motion-logo__eye--right { left: 53.55%; }
.kb-motion-logo__eye--left { left: 71.4%; }

.kb-motion-logo__eye > i {
	position: absolute;
	top: 31%;
	left: 31%;
	display: block;
	width: 45%;
	aspect-ratio: 1;
	border-radius: 50%;
	background: #071b2c;
	box-shadow: inset -1px -1px 0 rgba(255, 255, 255, .12);
	transform: translate(calc(var(--kb-logo-eye-x) * 1em), calc(var(--kb-logo-eye-y) * 1em));
	transition: transform .24s cubic-bezier(.2, .75, .25, 1);
}

.kb-motion-logo__eye > i::after {
	position: absolute;
	top: 13%;
	left: 16%;
	width: 28%;
	aspect-ratio: 1;
	border-radius: 50%;
	background: #fff;
	content: "";
}

.kb-motion-logo__eye::after {
	position: absolute;
	z-index: 3;
	top: -1px;
	right: -1px;
	left: -1px;
	height: calc(100% + 2px);
	border-radius: 50%;
	background: var(--kb-brand-orange, #fbaa0e);
	content: "";
	transform: scaleY(0);
	transform-origin: 50% 0;
	animation: kb-logo-blink 6.4s linear infinite;
}

.kb-motion-logo__eye--left::after { animation-delay: .07s; }

.kb-motion-logo__pages {
	position: absolute;
	top: 76%;
	left: 50%;
	width: 38%;
	height: 18%;
	perspective: 90px;
	transform: translateX(-50%);
}

.kb-motion-logo__pages > i {
	position: absolute;
	top: 0;
	left: 49%;
	display: block;
	width: 48%;
	height: 86%;
	border-top: 1.5px solid var(--kb-brand-orange, #fbaa0e);
	border-radius: 15% 85% 15% 70%;
	opacity: 0;
	filter: drop-shadow(0 2px 2px rgba(246, 172, 8, .22));
	transform: rotateY(8deg) rotateZ(-3deg);
	transform-origin: 0 82%;
	animation: kb-logo-page-turn 5.4s cubic-bezier(.5, .05, .25, .98) infinite;
}

.kb-motion-logo__pages > i:nth-child(2) { animation-delay: 1.8s; }
.kb-motion-logo__pages > i:nth-child(3) { animation-delay: 3.6s; }

.kb-motion-logo::before,
.kb-motion-logo::after {
	position: absolute;
	z-index: 3;
	color: var(--kb-brand-orange, #fbaa0e);
	content: "✦";
	pointer-events: none;
	text-shadow: 0 0 8px rgba(246, 172, 8, .55);
	animation: kb-logo-spark 3.8s ease-in-out infinite;
}

.kb-motion-logo::before { top: 3%; right: -2%; font-size: 7px; }
.kb-motion-logo::after { right: 16%; bottom: 8%; font-size: 4px; animation-delay: -1.7s; }

@keyframes kb-logo-breathe {
	0%, 100% { transform: translate3d(0, 0, 0) rotate(0); }
	50% { transform: translate3d(0, -1.5px, 0) rotate(-.15deg); }
}

@keyframes kb-logo-blink {
	0%, 89%, 93%, 100% { transform: scaleY(0); }
	90%, 92% { transform: scaleY(1); }
}

@keyframes kb-logo-page-turn {
	0%, 70%, 100% { opacity: 0; transform: rotateY(8deg) rotateZ(-3deg); }
	75% { opacity: .9; }
	84% { opacity: 1; transform: rotateY(88deg) rotateZ(-1deg) translateX(-2%); }
	94% { opacity: .15; transform: rotateY(168deg) rotateZ(4deg) translateX(-6%); }
}

@keyframes kb-logo-spark {
	0%, 100% { opacity: .25; transform: scale(.7) rotate(0); }
	48% { opacity: 1; transform: scale(1.12) rotate(35deg); }
}

@media (max-width: 980px) {
	.kb-motion-logo { width: 106px; height: 48px; }
}

@media (max-width: 700px) {
	.kb-motion-logo { width: 76px; height: 44px; }
	.kb-motion-logo__eye { top: 56.7%; width: 10.6%; }
	.kb-motion-logo__eye--right { left: 53.75%; }
	.kb-motion-logo__eye--left { left: 72.4%; }
	.kb-motion-logo__pages { top: 72.5%; width: 38%; }
	.kb-motion-logo::before { right: -4%; }
}

@media (prefers-reduced-motion: reduce) {
	.kb-motion-logo,
	.kb-motion-logo__eye::after,
	.kb-motion-logo__pages > i,
	.kb-motion-logo::before,
	.kb-motion-logo::after { animation: none !important; }
	.kb-motion-logo__pages { display: none; }
	.kb-motion-logo__eye > i { transform: none; transition: none; }
}