:root {
	--Primary-Strong-Cyan: hsl(171, 66%, 44%);
	--Primary-Light-Blue: hsl(233, 100%, 69%);

	--Neutral-Dark-Grayish-Blue: hsl(210, 10%, 33%);
	--Neutral-rayish-Blue: hsl(201, 11%, 66%);
}

*,
*::after,
*::before {
	padding: 0;
	margin: 0;
	box-sizing: border-box;
}

:focus {
	outline: 3px dotted currentColor;
}

a {
	text-decoration: none;
	color: var(--Neutral-Dark-Grayish-Blue);
}

li {
	list-style-type: none;
}

body {
	font-family: "Bai Jamjuree", sans-serif;
	font-size: 16px;
	background-image: url(images/bg-header-mobile.png);
	background-repeat: no-repeat;
	background-size: contain;
	background-position: top;
}

.top-container {
	max-width: 1280px;
	padding: 6rem 2rem 0;
	margin: auto;
}

.logo-container {
	max-width: 8rem;
	margin: auto;
	margin-bottom: 4.5rem;
}

.logo-container img {
	width: 100%;
}

.feature-highlight-container {
	margin: auto;
	max-width: 40rem;
	text-align: center;
	margin-bottom: 4rem;
}

.feature-highlight-container h2 {
	font-size: 1.6rem;
	margin-bottom: 1.5rem;
	color: var(--Neutral-Dark-Grayish-Blue);
}

.feature-highlight-container p {
	font-size: 1.02rem;
	color: var(--Neutral-rayish-Blue);
}

.top-featire-highlight {
	max-width: 45rem;
}

.top-featire-highlight h1 {
	font-size: 1.8rem;
	margin-bottom: 1.5rem;
	color: var(--Neutral-Dark-Grayish-Blue);
}

.top-featire-highlight p {
	font-size: 1.01rem;
}

.download-section {
	display: flex;
	justify-content: center;
	align-items: center;
	flex-direction: column;
	gap: 1rem;
	margin: 3rem auto 10rem;
}

.download-btn {
	border: none;
	border-radius: 28px;
	padding: 1rem 1rem;
	width: 100%;
	max-width: 22rem;
	font-family: inherit;
	color: white;
	font-size: 1.1rem;
	cursor: pointer;
	transition: all 0.3s ease;
	outline: none;
}

.ios-download {
	background-color: var(--Primary-Strong-Cyan);
	border-bottom: 3px solid hsl(171, 66%, 36%);
}

.ios-download:hover,
.ios-download:active {
	background-color: hsl(171, 60%, 60%);
	border-bottom-color: hsl(171, 40%, 60%);
}

.mac-download {
	background-color: var(--Primary-Light-Blue);
	border-bottom: 3px solid hsl(233, 54%, 54%);
}

.mac-download:hover,
.mac-download:active {
	background-color: hsl(233, 100%, 78%);
	border-bottom: 3px solid hsl(233, 39%, 64%);
}

.pc-image-container {
	max-width: 45rem;
	margin: auto;
}

.pc-image-container img {
	width: 100%;
}

.pc-section-container {
	margin-bottom: 12rem;
	text-align: center;
	display: grid;
	grid-template-columns: 1fr;
	row-gap: 3.5rem;
}

.pc-nearby-features {
	display: grid;
	grid-template-columns: 1fr;
	row-gap: 4rem;
	align-items: center;
	max-width: 22rem;
	margin: 0 auto;
}

.pc-nearby-features h3,
.devices-nearby-features h3 {
	margin-bottom: 1rem;
	font-size: 1.4rem;
	color: var(--Neutral-Dark-Grayish-Blue);
}

.pc-nearby-features p,
.devices-nearby-features p {
	font-size: 1.01rem;
	color: var(--Neutral-rayish-Blue);
}

.devices-image-container {
	max-width: 45rem;
	margin: auto;
	margin-bottom: 8rem;
}

.devices-image-container img {
	width: 100%;
}

.devices-nearby-features {
	text-align: center;
	display: grid;
	grid-template-columns: 1fr;
	row-gap: 3.5rem;
	margin-bottom: 8rem;
}

.feature-icon-container {
	margin-bottom: 3rem;
}

.company-logo-container {
	display: grid;
	grid-template-columns: 1fr;
	row-gap: 4rem;
	margin: 0 auto 10rem;
}

.company-logo-container > div {
	max-width: 8rem;
	margin: auto;
}

.company-logo-container img {
	width: 100%;
}

footer {
	display: flex;
	flex-direction: column;
	justify-content: center;
	align-items: center;
	row-gap: 3rem;
	padding: 3rem 0;
	background-color: rgb(238, 238, 238);
}

.footer-logo-container {
	max-width: 3rem;
}

.footer-logo-container img {
	width: 100%;
}

.quick-links {
	display: grid;
	grid-template-columns: 1fr;
	justify-content: center;
	justify-items: center;
	row-gap: 2rem;
}

.social-links {
	display: flex;
	column-gap: 2rem;
	justify-content: center;
	align-items: center;
}

.social-links svg {
	fill: var(--Neutral-Dark-Grayish-Blue);
}

.quick-links a:hover,
.quick-links a:active,
.social-links svg:hover,
.social-links svg:active {
	color: var(--Primary-Strong-Cyan);
	fill: var(--Primary-Strong-Cyan);
}

@media (min-width: 40rem) {
	body {
		background-image: url(images/bg-header-desktop.png);
	}

	.pc-section-container {
		grid-template-columns: 1fr 1fr;
	}

	.pc-nearby-features {
		/* padding-left: 4vw; */
		text-align: left;
		row-gap: 1rem;
		margin-left: 0;
	}

	.pc-image-container {
		position: relative;
		left: -5rem;
	}

	.devices-nearby-features {
		grid-template-columns: repeat(3, 1fr);
		column-gap: 1rem;
	}

	.company-logo-container {
		grid-template-columns: repeat(5, 1fr);
		column-gap: 1rem;
	}

	.download-section {
		flex-direction: row;
	}

	footer {
		justify-content: space-around;
		flex-direction: row;
		column-gap: 1rem;
	}

	.quick-links {
		grid-template-columns: repeat(3, 1fr);
		grid-row-gap: 0.5rem;
		column-gap: 2rem;
	}
}