:root {

/*===== SIZES =====*/
	--size-0: 8px;
	--size-1: 16px;
	--size-2: 24px;
	--size-3: 32px;
	--size-4: 48px;
	--size-5: 64px;
	--size-6: 80px;
	--size-7: 96px;
	--size-8: 112px;
	--size-9: 144px;
	--size-10: 160px;

/*========== COLORS ==========*/
	--color-black:#121113;
	--color-white:#f1f1f7;
	--color-beige:#ececee;
	--color-light-gray:#dfdfe1;
	--color-gray: #cdcdd3;
	--color-dark-gray: #70707d;
	--color-blue: #2200ff;

/*=============== FONTS ===============*/
	--font-1: "gotham", sans-serif;
	--font-2: "forma-djr-mono", sans-serif;

/* ======= NAV LAYOUT ======= */
	--nav-size: 14px;
	--nav-letter: 0.02em;
	--header-height: 120px;
	--anchor-gap: var(--size-0);
	--scroll-offset: calc(var(--header-height) + var(--anchor-gap));
}

/* ====== SITE STYLES ====== */
html { scroll-behavior: smooth; }

body {
	font-family: var(--font-1);
	background: var(--color-light-gray);
	margin: 0;
}

main {
	padding-top: 45vh;
}

.container {
	margin: 0 auto;
	max-width: 1200px;
	display: flex;
	flex-direction: column;
	gap: var(--size-1);
}

.section-title {
	scroll-margin-top: var(--scroll-offset);
}

.card-tags {
		list-style: none;
		display: flex;
		flex-wrap: wrap;
		gap: 10px var(--size-0);
		padding: 0 0 var(--size-1) 0;
		margin: 0;
}

.tag {
	font-family: var(--font-2);
	font-size: 14px;
	font-weight: 500;
	line-height: 1.4;
	background: var(--color-gray);
	padding-inline: calc(.5*var(--size-0));
	display: inline-flex;
}

/* ========== NAV ========== */
.site-header {
	background: var(--color-light-gray);
	padding-inline: var(--size-1);
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	z-index: 200;
}

.site-nav {
	position: relative;
	display: flex;
	justify-content: center;
	width: 100%;
}

.nav-links {
	margin: 0;
	padding: 0;
	display: flex;
	align-items: center;
	width: 100%;
	gap: var(--size-0);
	list-style: none;
}

.nav-links li {
	flex: 1;
	display: flex;
}

.nav-link {
	font-size: var(--nav-size);
	font-weight: 400;
	letter-spacing: var(--nav-letter);
	color: var(--color-blue);
	background: var(--color-beige);
	border-radius: var(--size-0);
	white-space: nowrap;
	padding: var(--size-0);
	display: flex;
	align-items: center;
	justify-content: center;
	width: 100%;
	text-align: center;
	transition: transform 180ms ease, background 180ms ease, color 180ms ease;
}

.nav-link:active {
	color: var(--color-dark-gray);
	transform: translateY(1px);
}

/* ========== SITE TITLE ========== */
.site-title {
	text-align: center;
}

.home-link {
	font-size: calc(1.2 * var(--size-4));
	font-weight: 800;
	letter-spacing: -0.01em;
	color: var(--color-blue);
	white-space: nowrap;
	text-transform: uppercase;
	display: inline-block;
}

/* ========== INTRO ========== */
.intro {
	margin: 0;
	padding: var(--size-1);
	max-width: 34ch;
}

.intro-paragraph p {
	font-size: calc(1.3 * var(--size-1));
	font-weight: 400;
	line-height: 1.6;
	color: var(--color-blue);
	display: inline;
	margin: 0;
}

.intro-reveal {
	display: inline-block;
	margin-left: 4px;
	vertical-align: baseline;
	position: relative;
}

.intro-reveal summary {
	display: inline-block;
	list-style: none;
	cursor: pointer;
}

.intro-reveal summary::-webkit-details-marker {
	display: none;
}

.intro-short {
	font-family: var(--font-2);
	font-size: calc(1.2 * var(--size-1));
	font-weight: 500;
	color: var(--color-blue);
	background: var(--color-beige);
	padding-inline: var(--size-0);
	display: inline-block;
	cursor: pointer;
	user-select: none;
}

.description {
	font-family: var(--font-2);
	font-size: var(--size-1);
	font-weight: 500;
	line-height: 1.3;
	color: var(--color-black);
	background: var(--color-gray);
	text-wrap: pretty;
	padding: var(--size-0);
	position: absolute;
	z-index: 50;
	bottom: calc(100% + var(--size-0));
	left: 50%;
	transform: translateX(-50%);
	width: 20ch;
	max-width: min(30ch, calc(100vw - (var(--size-1)* 2)));
	box-sizing: border-box;
	display: none;
}

.intro-reveal[open] .description {
	display: block;
}

/* ========== CASE STUDIES ========== */
.portfolio-container {
	min-height: 100vh;
	padding-top: var(--size-1);
}

h2.section-title {
	font-family: var(--font-1);
	font-size: var(--size-3);
	font-weight: 600;
	color: var(--color-blue);
	padding-inline: var(--size-1);
	padding-bottom: var(--size-0);
	margin: 0 0;
	border-bottom: 2px solid var(--color-blue);
}

.case-studies {
	display: grid;
	padding-inline: var(--size-1);
	gap: var(--size-1);
}

.case-card {
	display: grid;
	gap: var(--size-1);
	padding: var(--size-1) 0;
	border-bottom: 2px solid var(--color-gray);
}

#primary, #spotify, #peffer-photography{
	scroll-margin-top: var(--scroll-offset);
}

.case-head {
	display: flex;
	justify-content: space-between;
	align-items: center;
	gap: var(--size-1);
}

.case-title {
	font-family: var(--font-1);
	font-size: calc(1.5 * var(--size-1));
	font-weight: 600;
	color: var(--color-blue);
	line-height: 1.2;
	margin: 0;
}

.case-open {
	font-family: var(--font-1);
	font-size: var(--nav-size);
	font-weight: 400;
	color: var(--color-blue);
	background: var(--color-beige);
	padding: var(--size-0);
	border-radius: var(--size-0);
	text-decoration: none;
	white-space: nowrap;
}

.case-open:active {
	transform: translateY(1px);
}

.case-description {
	font-size: var(--size-1);
	line-height: 1.5;
	text-wrap: pretty;
	max-width: 32ch;
	margin: 0;
}

/* ======== COOL STUFF ======== */
.cool-container {
	min-height: auto;
	padding-top: var(--size-1);
}
.cool-stuff {
	display: grid;
	padding-inline: var(--size-1);
	gap: var(--size-1);
}

.cool-card {
	display: grid;
	gap: var(--size-1);
	padding: var(--size-1) 0;
	border-bottom: 2px solid var(--color-gray);
}

#brooklyn-museum, #pharmpro, #sheep-festival, #sketchbook {
	scroll-margin-top: var(--scroll-offset);
}

.cool-heading {
	display: flex;
	justify-content: space-between;
	align-items: center;
	gap: var(--size-1);
}

.cool-title {
	font-family: var(--font-1);
	font-size: calc(1.5 * var(--size-1));
	font-weight: 600;
	color: var(--color-blue);
	line-height: 1.2;
	margin: 0;
}

.cool-open {
	font-family: var(--font-1);
	font-size: var(--nav-size);
	font-weight: 500;
	color: var(--color-blue);
	background: var(--color-beige);
	padding: var(--size-0);
	border-radius: var(--size-0);
	text-decoration: none;
	white-space: nowrap;
}

.cool-open:active {
	transform: translateY(1px);
}

.cool-description {
	font-size: var(--size-1);
	line-height: 1.5;
	text-wrap: pretty;
	max-width: 32ch;
	margin: 0;
}

.case-card:last-child,
.cool-card:last-child{
	border-bottom: none;
}

/* ======== CONNECT ======== */
.connect-container {
	min-height: auto;
	padding-top: var(--size-1);
}

.connect-heading {
	display: flex;
	justify-content: space-between;
	align-items: center;
	padding-inline: var(--size-1);
	padding-top: var(--size-1);
	gap: var(--size-1);
}

.connect-title {
	font-family: var(--font-1);
	font-size: calc(1.5 * var(--size-1));
	font-weight: 600;
	color: var(--color-blue);
	line-height: 1.2;
	margin: 0;
}

.connect-body {
	display: flex;
	align-items: flex-start;
	gap: var(--size-1);
	padding-inline: var(--size-1);
}

.connect-intro {
	flex: 1;
}

.connect-intro p{
	font-size: var(--size-1);
	line-height: 1.6;
	color: var(--color-black);
	margin: 0;
	text-wrap: pretty;
}

.connect-image {
	order: 2;
	flex-shrink: 0;
	aspect-ratio: 1 / 1.3;
	width: var(--size-9);
	margin: var(--size-0) 0;
	overflow: hidden;
	border-radius: var(--size-0);
}

.connect-image img {
	display: block;
	width: 100%;
	height: 100%;
	object-fit: cover;
	object-position: center;
	transform: scale(1.15);
}

.connect-text{
	padding-inline: var(--size-1);
	margin-bottom: var(--size-2);
	font-size: var(--size-1);
	line-height: 1.6;
	color: var(--color-black);
	text-wrap: pretty;
}

.connect-text p{
	margin: 0;
	max-width: 75ch;
}

.connect-text p + p{
	margin-top: var(--size-1);
}

.footer-row {
	display: flex;
	flex-wrap: wrap;
	gap: var(--size-0);
}

.footer-row a {
	font-family: var(--font-1);
	font-size: var(--nav-size);
	font-weight: 400;
	color: var(--color-blue);
	background: var(--color-beige);
	padding: var(--size-0);
	border-radius: var(--size-0);
	text-decoration: none;
}

.contact-button{
	transition: background-color 180ms ease,
	color 180ms ease;
}

.contact-button.copied{
	background: var(--color-blue);
	color: var(--color-white);
}

/* ========== FOOTER ========== */
footer{
	margin: 0 auto;
	padding: var(--size-2)var(--size-1);
	border-top: 2px solid var(--color-gray);
}

footer h4{
	font-size: var(--size-1);
	font-weight: 600;
	color: var(--color-blue);
	margin: 0;
}

footer p{
	font-family: var(--font-1);
	font-size: var(--nav-size);
	font-weight: 400;
	color: var(--color-black);
	margin: calc(0.5 * var(--size-0)) 0 0;
}

/* ========== RESPONSIVE ========== */
@media (max-width: 720px) {
	.site-nav {
		top: var(--size-1);
		left: 50%;
		transform: translateX(-50%);
	}

	.nav-links {
		display: flex;
		flex-direction: row;
		flex-wrap: nowrap;
		justify-content: center;
		gap: var(--size-1);
	}

	.nav-link:hover {
		background: var(--color-gray);
	}

	.hero {
		max-width: none;
		margin: 0;
		padding-left: var(--size-1);
		padding-right: var(--size-1);
		padding-top: var(--size-6);
		text-align: center;
	}
	
	.hero-title {
		width: 100%;
		margin-top: var(--size-2);
		letter-spacing: -0.03em;
	}

	.site-nav{ 
		justify-content: flex-start; 
	}

	/*.home-link{
		font-size: clamp(88px, 18vw, 240px);
		letter-spacing: -0.04em;
		line-height: 0.85;
		transform-origin: top center;
		transition: transform 220ms ease, letter-spacing 220ms ease;
	}*/

	body.is-scrolled .hero-title {
		position: fixed;
		top: var(--size-1);
		left: 50%;
		transform: translateX(-50%);
		z-index: 110;
	}
	
	body.is-scrolled .home-link{
		transform: scale(0.2);
		letter-spacing: -0.02em;
	}

	.intro-grid{
		padding-top: var(--size-3);
	}

	.intro{
		text-align: left;
	}

	.intro-button:hover {
		color: var(--color-beige);
		background: var(--color-blue);
	}
	
	.intro-button:active {
		transform: translateY(1px);
	}

	.intro-reveal:hover .description,
	.intro-reveal:focus-within .description{
	opacity: 1;
	transform: translateX(-50%) translateY(0);
	pointer-events: auto;
}
}