/* base styles */
* {margin: 0; padding: 0; box-sizing: border-box;}
html {
	font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
	scroll-behavior: smooth;
}
body {
	width: 100vw;
	position: relative;
}
/* layout */
.section {
	padding: 1em 0;
}
@media (min-width: 480px) {
	.section {padding: 2em 0;}
}
@media (min-width: 900px) {
	.section {padding: 4em 0;}
}
.container {
	width: 100%;
	max-width: 960px;
	margin: 0 auto;
	padding: 0 1em;
}
.section-heading {
	font-size: 1.2em;
	font-weight: 400;
	line-height: 1.2;
	text-align: center;
	max-width: 18ch;
	margin: 0 auto;
	margin-bottom: 4em;
	padding-bottom: 1em;
	border-bottom: 2px solid rgba(0,0,0,0.25)
}
/* site header */
.site-header {
	padding: 0.5em 0;
}
.site-header .container {
	display: grid;
	grid-template-columns: auto 1fr;
	gap: 1em;
}
.site-title {
	font-size: 1em;
	align-self: center;
	font-weight: 400;
	line-height: 1;
}
.site-nav {
	position: fixed;
	bottom: 0;
	left: 0;
	z-index: 2;
	width: 100vw;
	height: 4em;
	background: #212121;
	color: white;
	display: grid;
	grid-template-columns: repeat(3, 1fr);
}
.site-nav__item {
	display: flex;
	flex-flow: column;
	align-items: center;
	justify-content: center;
	text-decoration: none;
		color: inherit;
		border-top: 4px solid rgba(255,255,255,0.5);
}
.site-nav__item.active {
		border-top: 4px solid #0060ff;
}
body {margin-bottom: 4em;}
@media (min-width: 480px) {
	.site-header .container {
		grid-template-columns: auto 1fr auto;
	}
	.site-nav {
		position: unset;
		background: unset;
		color: unset;
		width: unset;
		height: unset;
	}
	.site-nav__item.active {
		background: unset;
		color: #0060ff;
	}
	body {margin-bottom: 0}
}
/* hero section */
.hero .container {
	display: grid;
	grid-template-columns: 1fr 1fr;
	grid-template-rows: auto auto;
	gap: 1em;
}
.hero img {
	width: 100%;
	grid-row: 1/3;
}
.headline {
	font-size: clamp(1.4em, 7vw, 3em);
	max-width: 11ch;
	line-height: 1.2;
	align-self: end;
}
.button {
	background: #0060ff;
	color: white;
	width: max-content;
	font-size: clamp(0.75em,2vw,1em);
	padding: 0.75em;
	display: flex;
	justify-content: center;
	text-decoration: none;
	border-radius: 100em;
	font-weight: 700;
}
.cta {grid-column: 1; grid-row: 2; align-self: start;}

/* praise and testimonials */
.testimonials {
	display: flex;
	flex-flow: row wrap;
	gap: 1em;
	justify-content: center;
}
.testimonial {
	display: grid;
	grid-template-columns: auto 1fr;
	grid-template-rows: auto auto;
	grid-gap: 1em;
	margin-bottom: 1em;
	flex-basis: 18em;
}
.avatar {
	margin-left: 1em;
	width: 2em;
	height: 2em;
	border-radius: 1em;
	background: #212121;
}
.name {
	align-self: center;
}
.bubble {
	background-color: #212121;
	color: white;
	padding: 0.5em;
	border-radius: 0.5em;
	position: relative;
	grid-column: span 2;
	height: 80px;
	display: flex;
	justify-content: center;
	align-items: center;
	text-align: center;
}
.bubble:after {
	content: '';
	position: absolute;
	top: 0;
	left: 2em;
	width: 0;
	height: 0;
	border: 0.5em solid transparent;
	border-bottom-color: #212121;
	border-top: 0;
	margin-left: -0.5em;
	margin-top: -0.5em;
}
/* skills */
.skills {
	list-style: none;
	max-width: 18em;
}
.skill:before {
	content: "+";
	margin-right: 0.5em;
}
/* process */
.cards {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(15em,1fr));
	gap: 1em;
}
.card {
	background: white;
}
.card img {
	width: 100%;
	height: auto;
}
#process .card img {
	height: 200px;
}
.card h3 {
	margin: 1em 0;
}
.card p {
	margin-bottom: 1em;
}