/* Importing a Google Font */
@import url("https://fonts.googleapis.com/css2?family=Red+Hat+Text:wght@700&display=swap");

/* Global CSS Reset */
* {
	margin: 0;
	box-sizing: border-box;
}

html,
body {
	height: 100%;
}

body {
	font-family: "Red Hat Text", sans-serif;
}

img {
	display: block;
	max-width: 100%;
}

.logo {
	display: flex;
	justify-content: center;
	margin-bottom: 2em;
}

.preview {
	width: 15rem;
	height: 15rem;
	border-radius: 50%;
	border: 0.25em solid var(--Soft_red);
	box-shadow: 0 0 1em var(--Soft_red);
}

/* Custom CSS Variables */
:root {
	/* Colors */
	--Grayish_blue: hsl(237, 18%, 59%);
	--Soft_red: hsl(345, 95%, 68%);
	--White: hsl(0, 0%, 100%);
	--Dark_desaturated_blue: hsl(236, 21%, 26%);
	--Very_dark_blue: hsl(235, 16%, 14%);
	--Very_dark_blac_blue: hsl(234, 17%, 12%);

	/* font size */
	--h-text: 1.1rem;
	--p-text: 1.8rem;
	--s-text: 0.5rem;

	/* custom-shape */
	--circle-width: 0.25em;
	--circle-height: 0.45em;
}

/* Font Styles */
.heading {
	font-size: var(--h-text);
	color: var(--White);
	letter-spacing: 0.5ch;
	text-align: center;
	margin-bottom: 3rem;
}

.primary {
	font-size: var(--p-text);
	color: var(--Soft_red);
	text-align: center;
}

.sub-heading {
	font-size: var(--s-text);
	color: var(--Grayish_blue);
	text-align: center;
	letter-spacing: 0.5ch;
	margin-top: 1em;
}

/* General CSS */

main {
	min-height: 100%;
	display: grid;
	justify-content: center;
}

.background {
	background-color: var(--Very_dark_blue);
	background-image: url(https://i.postimg.cc/rmwYwjnp/bg-stars.png),
		url(https://i.postimg.cc/hGg5HcVT/pattern-hills.png);
	background-position: top, bottom;
	background-repeat: repeat-x;
	background-size: 100% 75%, 100% 25%;
	position: relative;
	z-index: 2;
}

.background::after {
	content: "";
	position: absolute;
	width: 100%;
	height: 75%;
	background-color: #322338;
	filter: blur(100px);
	opacity: 0.35;
	z-index: -1;
}

.container {
	margin: 1em;
}

.center {
	align-self: flex-end;
}

.countdown-timer {
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	gap: 1em;
}

.timer-box {
	width: 4rem;
	padding: 0.5rem;
	text-align: center;
	background-color: var(--Dark_desaturated_blue);
	position: relative;
	border-radius: 0.25em;
}

.sheet {
	position: absolute;
	width: 100%;
	height: 50%;
	left: 0;
	top: 0;
	right: 0;
	background-color: var(--Very_dark_blue);
	opacity: 0.35;
}

.flip {
	transition: transform 1s;
	transform: translate(0%, 100%) scaleY(-1);
}

.circle-left {
	width: var(--circle-width);
	height: var(--circle-height);
	position: absolute;
	background-color: var(--Very_dark_blac_blue);
	border-top-right-radius: 100%;
	border-bottom-right-radius: 100%;
	top: 45%;
	left: 0;
}

.circle-right {
	width: var(--circle-width);
	height: var(--circle-height);
	position: absolute;
	background-color: var(--Very_dark_blac_blue);
	border-top-left-radius: 100%;
	border-bottom-left-radius: 100%;
	top: 45%;
	right: 0;
}

.bottom {
	align-self: end;
	margin-bottom: 4em;
	display: flex;
	justify-content: center;
	gap: 2em;
}

.social-icon {
	cursor: pointer;
}

.social-icon:hover {
	filter: brightness(0) saturate(100%) invert(54%) sepia(7%) saturate(5054%)
		hue-rotate(297deg) brightness(99%) contrast(99%);
}

/* Media Queries for Responsive Design */
@media (min-width: 430px) {
	:root {
		--h-text: 1.25rem;
		--p-text: 2rem;
		--s-text: 0.5rem;

		--circle-width: 0.35em;
		--circle-height: 0.65em;
	}

	.timer-box {
		width: 5rem;
		padding: 0.75rem;
	}
}

@media (min-width: 550px) {
	:root {
		--p-text: 3rem;
		--s-text: 0.75rem;

		--circle-width: 0.4em;
		--circle-height: 0.7em;
	}

	.timer-box {
		width: 6rem;
		padding: 0.75rem;
	}
}

@media (min-width: 800px) {
	:root {
		--p-text: 4rem;
	}

	.timer-box {
		width: 8rem;
		padding: 1rem;
	}
}