@import url(fontawesome-all.min.css);
@import url("https://fonts.googleapis.com/css2?family=Newsreader:opsz,wght@6..72,400;6..72,500;6..72,600&family=Source+Sans+3:ital,wght@0,300;0,400;0,600;1,400&display=swap");

/* Eden McEwen — site theme */

:root {
	--bg: #1f1e1d;
	--bg-raised: #272523;
	--bg-card: rgba(31, 30, 29, 0.82);
	--text: #f5f3eb;
	--text-muted: rgba(245, 243, 235, 0.7);
	--text-faint: rgba(245, 243, 235, 0.45);
	--accent: #b9a779;
	--accent-soft: rgba(185, 167, 121, 0.4);
	--panel: rgba(52, 51, 49, 0.95);
	--border: rgba(245, 243, 235, 0.15);
	--radius: 10px;
	--serif: "Newsreader", Georgia, "Times New Roman", serif;
	--sans: "Source Sans 3", "Source Sans Pro", -apple-system, "Helvetica Neue", Arial, sans-serif;
	--sidebar-space: 9.5rem;
	--measure: 46rem;
}

/* Reset */

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
	margin: 0;
	background: var(--bg);
	color: var(--text);
	font-family: var(--sans);
	font-size: 17px;
	font-weight: 400;
	line-height: 1.7;
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
}

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

/* Typography */

h1, h2, h3, h4, h5, h6 {
	font-family: var(--serif);
	font-weight: 500;
	line-height: 1.2;
	color: var(--text);
	margin: 0 0 0.75rem 0;
	letter-spacing: -0.005em;
}

h1 { font-size: 2.75rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.4rem; }
h4 { font-size: 1.15rem; }

h2.major, h3.major {
	position: relative;
	padding-bottom: 0.7rem;
	margin-bottom: 1.25rem;
}

h2.major::after, h3.major::after {
	content: "";
	position: absolute;
	left: 0;
	bottom: 0;
	width: 2.75rem;
	height: 2px;
	background: var(--accent);
	border-radius: 2px;
}

p { margin: 0 0 1.25rem 0; color: var(--text-muted); }

b, strong { color: var(--text); font-weight: 600; }

a {
	color: var(--accent);
	text-decoration: underline;
	text-decoration-color: var(--accent-soft);
	text-decoration-thickness: 1px;
	text-underline-offset: 3px;
	transition: color 0.2s ease, text-decoration-color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
}

a:hover { color: var(--text); text-decoration-color: var(--text); }

a.image { text-decoration: none; }

hr { border: 0; border-top: 1px solid var(--border); margin: 2.5rem 0; }

ul, ol { color: var(--text-muted); padding-left: 1.25rem; margin: 0 0 1.25rem 0; }

code, pre { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.9em; background: var(--bg-raised); border-radius: 4px; }
code { padding: 0.1em 0.35em; }
pre { padding: 1rem; overflow-x: auto; }

table { width: 100%; border-collapse: collapse; margin: 0 0 1.5rem 0; color: var(--text-muted); }
th, td { padding: 0.6rem 0.75rem; border-bottom: 1px solid var(--border); text-align: left; }
th { color: var(--text); font-weight: 600; }

blockquote { border-left: 2px solid var(--accent); margin: 0 0 1.5rem 0; padding: 0.25rem 0 0.25rem 1.25rem; color: var(--text-muted); font-style: italic; }

/* Site mark and sidebar (table of contents) */

#header {
	position: fixed;
	top: 1.25rem;
	left: 1.25rem;
	z-index: 30;
	margin: 0;
}

#header h1 {
	margin: 0;
	font-family: var(--sans);
	font-size: 0.75rem;
	font-weight: 600;
	letter-spacing: 0.2em;
	text-transform: uppercase;
}

#header h1 a {
	display: inline-block;
	padding: 0.45rem 0.7rem;
	color: var(--text);
	text-decoration: none;
	background: var(--panel);
	border: 1px solid var(--border);
	border-radius: 6px;
}

#header h1 a:hover { border-color: var(--accent); color: var(--accent); }

.nav-toggle { display: none; }

#sidebar {
	position: fixed;
	left: 0;
	top: 50%;
	transform: translateY(-50%);
	z-index: 25;
	background: var(--panel);
	border: 1px solid var(--border);
	border-left: 0;
	border-radius: 0 var(--radius) var(--radius) 0;
	padding: 0.85rem 0.75rem;
	backdrop-filter: blur(6px);
	-webkit-backdrop-filter: blur(6px);
}

#sidebar ul { list-style: none; margin: 0; padding: 0; }

#sidebar li + li { margin-top: 0.15rem; }

#sidebar a {
	display: block;
	padding: 0.45rem 0.6rem;
	font-size: 0.9rem;
	line-height: 1.3;
	text-transform: lowercase;
	color: var(--text-muted);
	text-decoration: none;
	border-radius: 6px;
	white-space: nowrap;
}

#sidebar a:hover { color: var(--text); background: rgba(245, 243, 235, 0.06); }

#sidebar a.is-active { color: var(--accent); background: rgba(185, 167, 121, 0.1); }

#page-wrapper { padding-left: var(--sidebar-space); }

/* Home: banner card (Natasha-style) */

.hero {
	position: relative;
	min-height: 64vh;
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 6rem 1.5rem 4rem;
	background-color: var(--bg);
	background-repeat: no-repeat;
	background-image:
		linear-gradient(180deg, rgba(31, 30, 29, 0.15) 0%, rgba(31, 30, 29, 0.35) 60%, var(--bg) 99%, var(--bg) 100%),
		url("../../images/bg.jpg");
	background-size: cover;
	background-position: center 58%;
	margin-left: calc(-1 * var(--sidebar-space));
	padding-left: calc(var(--sidebar-space) + 1.5rem);
}

.hero-card {
	width: 100%;
	max-width: 26rem;
	text-align: center;
	padding: 2.5rem 2rem 2rem;
	background: var(--bg-card);
	border: 1px solid var(--border);
	border-radius: 14px;
	backdrop-filter: blur(8px);
	-webkit-backdrop-filter: blur(8px);
	box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
}

.hero-card .logo { color: var(--accent); font-size: 1.1rem; margin-bottom: 1rem; }

.hero-card h2 {
	font-size: 2.6rem;
	font-weight: 600;
	margin-bottom: 0.4rem;
}

.hero-card p {
	font-size: 1rem;
	color: var(--text-muted);
	margin-bottom: 0;
}

.profile-links {
	display: flex;
	flex-wrap: wrap;
	gap: 0.6rem;
	list-style: none;
	margin: 1.75rem 0 0 0;
	padding: 0;
}

.profile-links a {
	display: inline-flex;
	align-items: center;
	gap: 0.5rem;
	padding: 0.45rem 0.95rem;
	font-size: 0.9rem;
	color: var(--text-muted);
	text-decoration: none;
	border: 1px solid var(--border);
	border-radius: 999px;
}

.profile-links a::before { font-size: 1rem; color: var(--text); transition: color 0.2s ease; }

.profile-links a:hover { color: var(--accent); border-color: var(--accent-soft); }
.profile-links a:hover::before { color: var(--accent); }

/* Home: sections */

.section {
	padding: 4.5rem 2rem;
}

.section > .inner {
	max-width: 62rem;
	margin: 0 auto;
}

.section + .section { border-top: 1px solid var(--border); }

/* About Me row (Vikram-style) */

.about .inner {
	display: grid;
	grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
	gap: 3.5rem;
	align-items: center;
}

.about p { font-size: 1.12rem; line-height: 1.75; color: var(--text); opacity: 0.88; }

.portrait {
	width: 100%;
	max-width: 21rem;
	aspect-ratio: 1 / 1;
	margin: 0 auto;
	border-radius: 50%;
	overflow: hidden;
	border: 1px solid var(--border);
	box-shadow: 0 0 0 8px rgba(185, 167, 121, 0.08);
}

.portrait img { width: 100%; height: 100%; object-fit: cover; object-position: center 30%; }

/* Text + image feature rows (also used by comphoto/projects.html) */

.spotlight > .inner {
	display: grid;
	grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
	gap: 3rem;
	align-items: center;
}

.spotlight.flip > .inner > .image { order: 2; }

.spotlight > .inner > .image {
	display: block;
	border-radius: var(--radius);
	overflow: hidden;
	border: 1px solid var(--border);
}

.spotlight > .inner > .image img {
	width: 100%;
	aspect-ratio: 4 / 3;
	object-fit: cover;
	transition: transform 0.4s ease;
}

.spotlight > .inner > .image:hover img { transform: scale(1.03); }

.spotlight .content > a.special + a.special { margin-left: 1.5rem; }

/* "Learn more" style links */

a.special {
	display: inline-flex;
	align-items: center;
	gap: 0.45rem;
	font-size: 0.85rem;
	font-weight: 600;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	text-decoration: none;
	color: var(--accent);
}

a.special::after {
	content: "\f061";
	font-family: "Font Awesome 5 Free";
	font-weight: 900;
	font-size: 0.75em;
	transition: transform 0.2s ease;
}

a.special:hover { color: var(--text); }
a.special:hover::after { transform: translateX(3px); }

a.special.is-unavailable,
a.is-unavailable {
	color: var(--text-faint);
	cursor: default;
	pointer-events: none;
}

a.special.is-unavailable::after { content: "\f023"; }

/* Buttons */

.button,
input[type="submit"],
button.button {
	display: inline-block;
	padding: 0.6rem 1.35rem;
	font-family: var(--sans);
	font-size: 0.8rem;
	font-weight: 600;
	letter-spacing: 0.1em;
	text-transform: uppercase;
	line-height: 1.4;
	color: var(--text);
	background: transparent;
	border: 1px solid var(--accent-soft);
	border-radius: 999px;
	text-decoration: none;
	cursor: pointer;
	transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
}

.button:hover,
input[type="submit"]:hover {
	color: var(--bg);
	background: var(--accent);
	border-color: var(--accent);
}

ul.actions {
	display: flex;
	flex-wrap: wrap;
	gap: 0.75rem;
	list-style: none;
	padding: 0;
	margin: 1.5rem 0 0 0;
}

/* Research card grid */

.features {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(15rem, 1fr));
	gap: 1.5rem;
	margin: 2rem 0 0 0;
}

.features.four-up { grid-template-columns: repeat(2, minmax(0, 1fr)); }

@media (min-width: 1400px) {
	.features.four-up { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

.features article {
	display: flex;
	flex-direction: column;
	background: var(--bg-raised);
	border: 1px solid var(--border);
	border-radius: var(--radius);
	overflow: hidden;
	transition: border-color 0.2s ease, transform 0.2s ease;
}

.features article:hover { border-color: var(--accent-soft); transform: translateY(-2px); }

.features article > .image { display: block; }

.features article > .image img {
	width: 100%;
	aspect-ratio: 16 / 10;
	object-fit: cover;
}

.features article h3,
.features article p,
.features article a.special { margin-left: 1.25rem; margin-right: 1.25rem; }

.features article h3 { font-size: 1.2rem; margin-top: 1.25rem; }
.features article h3.major::after { left: 0; }
.features article p { font-size: 0.95rem; flex: 1; }
.features article a.special { margin-bottom: 1.25rem; align-self: flex-start; }

/* Subpages: page header + reading column */

#wrapper > header {
	padding: 7rem 2rem 2.5rem;
	border-bottom: 1px solid var(--border);
}

#wrapper > header .inner {
	max-width: var(--measure);
	margin: 0 auto;
}

#wrapper > header h2 {
	font-size: 3rem;
	font-weight: 500;
	margin-bottom: 0.5rem;
}

#wrapper > header p {
	font-size: 1.15rem;
	color: var(--text-muted);
	margin: 0;
}

#wrapper > .wrapper,
#wrapper > section > .wrapper,
#wrapper .wrapper:not(.spotlight):not(.section) {
	padding: 3rem 2rem;
}

#wrapper .wrapper > .inner {
	max-width: var(--measure);
	margin: 0 auto;
}

#wrapper .wrapper.spotlight > .inner { max-width: var(--measure); gap: 2.25rem; }

#wrapper .wrapper.spotlight h2.major { font-size: 1.6rem; }

#wrapper .wrapper .wrapper:not(.spotlight) > .inner { max-width: none; }

#wrapper .wrapper.alt { background: rgba(245, 243, 235, 0.025); }

#wrapper .wrapper .wrapper,
#wrapper .wrapper .wrapper:not(.spotlight):not(.section) { padding: 2.5rem 0 0; background: none; }

#wrapper .inner > h2.major,
#wrapper .inner > h3.major { margin-top: 2.75rem; }

#wrapper .inner > h2.major:first-child,
#wrapper .inner > h3.major:first-child { margin-top: 0; }

/* Publication / presentation entries */

.entry {
	display: flow-root;
	padding: 0 0 2.5rem 0;
	margin: 0 0 2.5rem 0;
	border-bottom: 1px solid var(--border);
}

.entry:last-child { border-bottom: 0; margin-bottom: 0; padding-bottom: 0; }

.entry h3 { margin-top: 0; }

.entry p.meta {
	font-size: 0.95rem;
	color: var(--text-faint);
	margin-bottom: 0.85rem;
}

.entry p.meta b { color: var(--text-muted); }

.entry > a.special { margin-bottom: 1.25rem; }

.entry > p:not(.meta) { font-size: 0.98rem; }

.entry > .image.left { max-width: 13rem; margin-top: 0.25rem; }

.image.placeholder,
.image.left.placeholder {
	display: flex;
	align-items: center;
	justify-content: center;
	aspect-ratio: 4 / 3;
	background: var(--bg-raised);
	border: 1px dashed var(--border);
}

.image.placeholder::before {
	content: "\f03e";
	font-family: "Font Awesome 5 Free";
	font-weight: 400;
	font-size: 1.5rem;
	color: var(--text-faint);
}

/* Publication lists */

ol.pub-list {
	list-style: none;
	counter-reset: pub;
	margin: 0 0 3rem 0;
	padding: 0;
}

ol.pub-list li {
	position: relative;
	counter-increment: pub;
	padding: 0 0 1.1rem 2.5rem;
	margin: 0 0 1.1rem 0;
	font-size: 0.95rem;
	line-height: 1.6;
	color: var(--text-muted);
	border-bottom: 1px solid var(--border);
}

ol.pub-list li:last-child { border-bottom: 0; }

ol.pub-list li::before {
	content: counter(pub);
	position: absolute;
	left: 0;
	top: 0.1rem;
	font-family: var(--serif);
	font-size: 1rem;
	color: var(--accent);
}

ol.pub-list .authors { display: block; color: var(--text-faint); font-size: 0.9rem; }
ol.pub-list .authors b { color: var(--text-muted); }
ol.pub-list .venue { font-style: italic; }
ol.pub-list a { word-break: break-all; }

/* Awards */

.award {
	display: grid;
	grid-template-columns: 4.5rem minmax(0, 1fr);
	gap: 1.25rem;
	padding: 0 0 1.5rem 0;
	margin: 0 0 1.5rem 0;
	border-bottom: 1px solid var(--border);
}

.award:last-child { border-bottom: 0; margin-bottom: 0; }

.award-year {
	font-family: var(--serif);
	font-size: 1.35rem;
	line-height: 1.3;
	color: var(--accent);
}

.award h3 { font-size: 1.2rem; margin-bottom: 0.4rem; }

.award h3 a {
	color: var(--text);
	text-decoration-color: var(--border);
}

.award h3 a::after {
	content: "\f35d";
	font-family: "Font Awesome 5 Free";
	font-weight: 900;
	font-size: 0.6em;
	margin-left: 0.45em;
	vertical-align: 0.2em;
	color: var(--text-faint);
}

.award h3 a:hover,
.award h3 a:hover::after { color: var(--accent); text-decoration-color: var(--accent-soft); }
.award p { font-size: 0.95rem; margin: 0; }

ul.award-list { list-style: none; padding: 0; margin: 0; }

/* Images inside content */

.image.left {
	float: left;
	width: 38%;
	max-width: 15rem;
	margin: 0.35rem 1.75rem 1rem 0;
	border-radius: var(--radius);
	overflow: hidden;
	border: 1px solid var(--border);
}

.image.left img { width: 100%; }

.image.fit {
	display: block;
	width: 100%;
	border-radius: 6px;
	overflow: hidden;
}

.image.fit img { width: 100%; }

#wrapper .wrapper > .inner { display: flow-root; }
#wrapper .wrapper.spotlight > .inner { display: grid; }

h2.major, h3.major { clear: both; }

/* Legacy grid (box alt / row / col-*) */

.box { margin: 0 0 1.5rem 0; }

.row {
	display: flex;
	flex-wrap: wrap;
	margin: 0 -0.5rem;
}

.row > * { padding: 0.5rem; }

.col-12 { width: 100%; }
.col-6 { width: 50%; }
.col-4 { width: 33.3333%; }
.col-3 { width: 25%; }

/* In-page section list for long project pages */

.page-toc {
	margin: 0 0 2.5rem 0;
	padding: 1.1rem 1.35rem;
	background: var(--bg-raised);
	border: 1px solid var(--border);
	border-radius: var(--radius);
}

.page-toc ul {
	display: flex;
	flex-wrap: wrap;
	gap: 0.35rem 1.25rem;
	list-style: none;
	margin: 0;
	padding: 0;
}

.page-toc a {
	font-size: 0.9rem;
	color: var(--text-muted);
	text-decoration: none;
}

.page-toc a:hover { color: var(--accent); }

/* Footer / Get in touch */

#footer {
	margin-left: calc(-1 * var(--sidebar-space));
	padding: 4.5rem 2rem 2.5rem calc(var(--sidebar-space) + 2rem);
	border-top: 1px solid var(--border);
	background: #1a1918;
}

#footer > .inner {
	max-width: 62rem;
	margin: 0 auto;
	display: grid;
	grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
	column-gap: 3.5rem;
}

#footer h2.major,
#footer > .inner > p,
#footer ul.copyright { grid-column: 1 / -1; }

#footer > .inner > p:empty { display: none; }

#footer .fields {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 1rem;
}

#footer .field:last-child { grid-column: 1 / -1; }

label {
	display: block;
	margin-bottom: 0.35rem;
	font-size: 0.75rem;
	font-weight: 600;
	letter-spacing: 0.12em;
	text-transform: uppercase;
	color: var(--text-muted);
}

input[type="text"],
input[type="email"],
textarea {
	width: 100%;
	padding: 0.65rem 0.85rem;
	font-family: var(--sans);
	font-size: 1rem;
	color: var(--text);
	background: var(--bg-raised);
	border: 1px solid var(--border);
	border-radius: 6px;
	outline: none;
	transition: border-color 0.2s ease;
}

input[type="text"]:focus,
input[type="email"]:focus,
textarea:focus { border-color: var(--accent); }

textarea { resize: vertical; min-height: 7rem; }

ul.contact {
	list-style: none;
	margin: 0;
	padding: 0;
}

ul.contact li {
	position: relative;
	padding: 0 0 1.1rem 2.1rem;
	margin: 0 0 1.1rem 0;
	color: var(--text-muted);
	border-bottom: 1px solid var(--border);
	line-height: 1.6;
	word-break: break-word;
}

ul.contact li:last-child { border-bottom: 0; }

ul.contact li::before {
	position: absolute;
	left: 0;
	top: 0.2rem;
	width: 1.25rem;
	text-align: center;
	color: var(--accent);
}

ul.copyright {
	display: flex;
	flex-wrap: wrap;
	gap: 0.5rem 1.5rem;
	list-style: none;
	margin: 3rem 0 0 0;
	padding: 1.5rem 0 0 0;
	border-top: 1px solid var(--border);
	font-size: 0.8rem;
	color: var(--text-faint);
}

/* Icons (Font Awesome 5) */

.icon { text-decoration: none; }

.icon::before {
	display: inline-block;
	font-family: "Font Awesome 5 Free";
	font-style: normal;
	font-weight: 400;
	line-height: 1;
	text-rendering: auto;
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
}

.icon.solid::before { font-weight: 900; }
.icon.brands::before { font-family: "Font Awesome 5 Brands"; }

.icon > .label {
	position: absolute;
	width: 1px;
	height: 1px;
	overflow: hidden;
	clip: rect(0 0 0 0);
	white-space: nowrap;
}

/* Mobile */

@media (max-width: 900px) {
	:root { --sidebar-space: 0rem; }

	body { font-size: 16px; }

	#header {
		top: 0;
		left: 0;
		right: 0;
		display: flex;
		align-items: center;
		justify-content: space-between;
		padding: 0.6rem 1rem;
		background: var(--panel);
		border-bottom: 1px solid var(--border);
	}

	#header h1 a { padding: 0.35rem 0; background: none; border: 0; }

	.nav-toggle {
		display: inline-flex;
		align-items: center;
		gap: 0.5rem;
		padding: 0.4rem 0.75rem;
		font-family: var(--sans);
		font-size: 0.85rem;
		text-transform: lowercase;
		color: var(--text);
		background: transparent;
		border: 1px solid var(--border);
		border-radius: 6px;
		cursor: pointer;
	}

	#sidebar {
		top: 3.4rem;
		left: auto;
		right: 0.75rem;
		transform: none;
		border-left: 1px solid var(--border);
		border-radius: var(--radius);
		display: none;
	}

	body.nav-open #sidebar { display: block; }

	.hero {
		min-height: 88vh;
		align-items: flex-end;
		padding-top: 5.5rem;
		padding-bottom: 2.5rem;
		background-position: center 52%;
	}
	.hero-card h2 { font-size: 2.1rem; }
	.section { padding: 3.25rem 1.25rem; }

	.about .inner,
	.spotlight > .inner {
		grid-template-columns: 1fr;
		gap: 2rem;
	}

	.about .portrait { order: -1; max-width: 15rem; }

	.spotlight.flip > .inner > .image { order: 0; }

	#wrapper > header { padding: 5.5rem 1.25rem 2rem; }
	#wrapper > header h2 { font-size: 2.25rem; }

	#wrapper > .wrapper,
	#wrapper > section > .wrapper,
	#wrapper .wrapper:not(.spotlight):not(.section) { padding: 2.25rem 1.25rem; }

	#footer { padding: 3.25rem 1.25rem 2rem; }
	#footer > .inner { grid-template-columns: 1fr; row-gap: 2.5rem; }
	#footer .fields { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
	.image.left { float: none; width: 100%; max-width: none; margin: 0 0 1.25rem 0; }
	.image.placeholder { display: none; }
	.col-6, .col-4 { width: 100%; }
	.features.four-up { grid-template-columns: 1fr; }
	h1 { font-size: 2.2rem; }
	h2 { font-size: 1.7rem; }
}