/* ===================================
   Modern Academic Website Styling
   Inspired by 21-cm Radio Astronomy
   =================================== */

/* CSS Reset & Base Styles */
* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}

:root {
	/* Color Palette - Inspired by radio astronomy and deep space */
	--primary-color: #667eea;
	--primary-dark: #5568d3;
	--secondary-color: #764ba2;
	--accent-color: #f093fb;
	--text-dark: #1a1a2e;
	--text-medium: #333;
	--text-light: #666;
	--text-lighter: #999;
	--bg-white: #ffffff;
	--bg-light: #f8f9fa;
	--bg-lighter: #fafbfc;
	--border-color: #e1e4e8;
	--border-light: #eaecef;

	/* Typography */
	--font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
	--font-serif: 'Crimson Pro', Georgia, serif;

	/* Spacing */
	--spacing-xs: 0.5rem;
	--spacing-sm: 1rem;
	--spacing-md: 1.5rem;
	--spacing-lg: 2rem;
	--spacing-xl: 3rem;
	--spacing-xxl: 4rem;

	/* Layout */
	--container-max: 1200px;
	--container-narrow: 800px;
	--nav-height: 70px;

	/* Transitions */
	--transition-fast: 0.2s ease;
	--transition-normal: 0.3s ease;
	--transition-slow: 0.5s ease;

	/* Shadows */
	--shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
	--shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
	--shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
	--shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.15);
}

/* Base Typography */
html {
	font-size: 16px;
	scroll-behavior: smooth;
}

body {
	font-family: var(--font-sans);
	font-size: 1rem;
	line-height: 1.7;
	color: var(--text-medium);
	background-color: var(--bg-white);
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
	font-family: var(--font-serif);
	font-weight: 600;
	line-height: 1.3;
	color: var(--text-dark);
	margin-bottom: var(--spacing-sm);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.1rem; }
h6 { font-size: 1rem; }

p {
	margin-bottom: var(--spacing-md);
}

a {
	color: var(--primary-color);
	text-decoration: none;
	transition: color var(--transition-fast);
}

a:hover {
	color: var(--primary-dark);
}

ul, ol {
	margin-left: var(--spacing-md);
	margin-bottom: var(--spacing-md);
}

/* Container */
.container {
	max-width: var(--container-max);
	margin: 0 auto;
	padding: 0 var(--spacing-lg);
}

.content-container {
	max-width: var(--container-narrow);
	margin: 0 auto;
}

/* ===================================
   Dark Mode
   =================================== */

html[data-theme="dark"] {
	--text-dark: #e4e4e7;
	--text-medium: #d4d4d8;
	--text-light: #a1a1aa;
	--text-lighter: #71717a;
	--bg-white: #18181b;
	--bg-light: #27272a;
	--bg-lighter: #3f3f46;
	--border-color: #52525b;
	--border-light: #3f3f46;
}

html[data-theme="dark"] body {
	background-color: var(--bg-white);
	color: var(--text-medium);
}

html[data-theme="dark"] .nav-bar {
	background-color: rgba(24, 24, 27, 0.95);
	border-bottom-color: var(--border-color);
}

html[data-theme="dark"] .nav-logo,
html[data-theme="dark"] .nav-menu li a {
	color: var(--text-medium);
}

html[data-theme="dark"] .nav-menu {
	background-color: rgba(24, 24, 27, 0.98);
}

html[data-theme="dark"] .nav-toggle span {
	background-color: var(--text-medium);
}

html[data-theme="dark"] .about-section {
	background-color: var(--bg-light);
}

html[data-theme="dark"] .highlight-card,
html[data-theme="dark"] .link-card {
	background-color: var(--bg-lighter);
	border-color: var(--border-color);
}

html[data-theme="dark"] .highlight-card h3 {
	color: var(--text-lighter);
}

html[data-theme="dark"] .highlight-card p {
	color: var(--text-dark);
}

html[data-theme="dark"] .highlight-card p a {
	color: var(--text-dark);
	border-bottom-color: var(--border-light);
}

html[data-theme="dark"] .highlight-card p a:hover {
	color: var(--primary-color);
	border-bottom-color: var(--primary-color);
}

html[data-theme="dark"] .link-card-content h3 {
	color: var(--text-dark);
}

html[data-theme="dark"] .link-card-content p {
	color: var(--text-light);
}

html[data-theme="dark"] .research-intro,
html[data-theme="dark"] .publications-list,
html[data-theme="dark"] .misc-intro {
	background-color: var(--bg-lighter);
}

html[data-theme="dark"] .talk-item {
	background-color: var(--bg-lighter);
	border-color: var(--border-color);
}

html[data-theme="dark"] .talk-title {
	color: var(--text-dark);
}

html[data-theme="dark"] .talk-venue {
	color: var(--text-light);
}

html[data-theme="dark"] .talk-date {
	color: var(--text-lighter);
}

html[data-theme="dark"] .contact-info-card {
	background-color: var(--bg-lighter);
}

html[data-theme="dark"] .contact-info-content h3 {
	color: var(--text-dark);
}

html[data-theme="dark"] .contact-info-content p {
	color: var(--text-light);
}

html[data-theme="dark"] .form-group input,
html[data-theme="dark"] .form-group textarea {
	background-color: var(--bg-lighter);
	border-color: var(--border-color);
	color: var(--text-medium);
}

html[data-theme="dark"] .form-group input:focus,
html[data-theme="dark"] .form-group textarea:focus {
	border-color: var(--primary-color);
}

html[data-theme="dark"] .btn-secondary {
	background-color: var(--bg-lighter);
	border-color: var(--border-color);
	color: var(--text-medium);
}

html[data-theme="dark"] .project-card {
	background-color: var(--bg-lighter);
	border-color: var(--border-color);
}

html[data-theme="dark"] .project-title {
	color: var(--text-dark);
}

html[data-theme="dark"] .project-description,
html[data-theme="dark"] .project-features li {
	color: var(--text-light);
}

html[data-theme="dark"] .footer {
	background-color: #09090b;
}

/* ===================================
   Navigation
   =================================== */

.nav-bar {
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	height: var(--nav-height);
	background-color: rgba(255, 255, 255, 0.95);
	backdrop-filter: blur(10px);
	border-bottom: 1px solid var(--border-light);
	z-index: 1000;
	transition: all var(--transition-normal);
}

.nav-bar.scrolled {
	box-shadow: var(--shadow-md);
}

.nav-container {
	max-width: var(--container-max);
	margin: 0 auto;
	padding: 0 var(--spacing-lg);
	height: 100%;
	display: flex;
	align-items: center;
	justify-content: space-between;
}

.nav-logo {
	font-family: var(--font-serif);
	font-size: 1.25rem;
	font-weight: 600;
	color: var(--text-dark);
	transition: color var(--transition-fast);
	display: flex;
	align-items: center;
	gap: 0.75rem;
}

.nav-logo:hover {
	color: var(--primary-color);
}

.reach-logo {
	height: 32px;
	width: auto;
	display: block;
}

/* Invert REACH logo in dark mode since it's a dark logo */
html[data-theme="dark"] .reach-logo {
	filter: invert(1) brightness(1.1);
}

.nav-right {
	display: flex;
	align-items: center;
	gap: var(--spacing-md);
}

/* Theme Toggle */
.theme-toggle {
	width: 40px;
	height: 40px;
	border-radius: 50%;
	border: 2px solid var(--border-color);
	background-color: transparent;
	cursor: pointer;
	display: flex;
	align-items: center;
	justify-content: center;
	transition: all var(--transition-fast);
	position: relative;
}

.theme-toggle:hover {
	background-color: var(--bg-light);
	border-color: var(--primary-color);
}

.theme-toggle .sun-icon,
.theme-toggle .moon-icon {
	position: absolute;
	transition: all var(--transition-fast);
	color: var(--text-dark);
}

html[data-theme="light"] .theme-toggle .sun-icon {
	opacity: 0;
	transform: rotate(180deg);
}

html[data-theme="light"] .theme-toggle .moon-icon {
	opacity: 1;
	transform: rotate(0deg);
}

html[data-theme="dark"] .theme-toggle .sun-icon {
	opacity: 1;
	transform: rotate(0deg);
	color: var(--text-dark);
}

html[data-theme="dark"] .theme-toggle .moon-icon {
	opacity: 0;
	transform: rotate(-180deg);
}

.nav-menu {
	display: flex;
	list-style: none;
	gap: var(--spacing-lg);
	margin: 0;
}

.nav-menu li a {
	color: var(--text-medium);
	font-size: 0.95rem;
	font-weight: 500;
	transition: color var(--transition-fast);
	position: relative;
}

.nav-menu li a:hover,
.nav-menu li a.active {
	color: var(--primary-color);
}

.nav-menu li a.active::after {
	content: '';
	position: absolute;
	bottom: -8px;
	left: 0;
	right: 0;
	height: 2px;
	background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
}

/* Mobile Navigation Toggle */
.nav-toggle {
	display: none;
	flex-direction: column;
	gap: 5px;
	background: none;
	border: none;
	cursor: pointer;
	padding: 5px;
}

.nav-toggle span {
	display: block;
	width: 25px;
	height: 2px;
	background-color: var(--text-dark);
	transition: all var(--transition-fast);
}

.nav-toggle.active span:nth-child(1) {
	transform: rotate(45deg) translate(7px, 7px);
}

.nav-toggle.active span:nth-child(2) {
	opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
	transform: rotate(-45deg) translate(7px, -7px);
}

/* ===================================
   Hero Section
   =================================== */

.hero {
	min-height: 100vh;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	text-align: center;
	padding: var(--spacing-xxl) var(--spacing-lg);
	margin-top: var(--nav-height);
	background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
	position: relative;
	overflow: hidden;
}

.hero::before {
	content: '';
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
	background-image:
		radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
		radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
	pointer-events: none;
}

.hero-content {
	position: relative;
	z-index: 1;
	max-width: 800px;
}

.hero-title {
	font-size: 3.5rem;
	font-weight: 600;
	color: white;
	margin-bottom: var(--spacing-sm);
	line-height: 1.2;
}

.hero-subtitle {
	font-size: 1.5rem;
	color: rgba(255, 255, 255, 0.95);
	margin-bottom: var(--spacing-xs);
	font-weight: 400;
}

.hero-affiliation {
	font-size: 1.1rem;
	color: rgba(255, 255, 255, 0.85);
	margin-bottom: var(--spacing-xl);
}

.hero-links {
	display: flex;
	gap: var(--spacing-md);
	justify-content: center;
	flex-wrap: wrap;
}

.hero-link {
	display: inline-flex;
	align-items: center;
	gap: var(--spacing-xs);
	padding: 0.75rem 1.5rem;
	background-color: rgba(255, 255, 255, 0.15);
	border: 2px solid rgba(255, 255, 255, 0.3);
	border-radius: 50px;
	color: white;
	font-weight: 500;
	transition: all var(--transition-fast);
	backdrop-filter: blur(10px);
}

.hero-link:hover {
	background-color: rgba(255, 255, 255, 0.25);
	border-color: rgba(255, 255, 255, 0.5);
	transform: translateY(-2px);
	color: white;
}

.hero-scroll {
	position: absolute;
	bottom: var(--spacing-xl);
	left: 50%;
	transform: translateX(-50%);
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: var(--spacing-xs);
	color: rgba(255, 255, 255, 0.8);
	font-size: 0.875rem;
	animation: bounce 2s infinite;
}

@keyframes bounce {
	0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
	40% { transform: translateX(-50%) translateY(-10px); }
	60% { transform: translateX(-50%) translateY(-5px); }
}

/* Hero with Photo */
.hero-with-photo {
	min-height: 70vh;
	padding: var(--spacing-xl) 0;
}

.hero-container {
	max-width: 1200px;
	margin: 0 auto;
	padding: 0 var(--spacing-lg);
	display: grid;
	grid-template-columns: 1.2fr 1fr;
	gap: var(--spacing-xxl);
	align-items: center;
	height: 100%;
}

.hero-with-photo .hero-content {
	text-align: left;
	max-width: none;
}

.hero-with-photo .hero-links {
	justify-content: flex-start;
}

.hero-photo {
	position: relative;
	width: 100%;
	max-width: 400px;
	justify-self: end;
}

.hero-photo img {
	width: 100%;
	height: auto;
	aspect-ratio: 1;
	object-fit: cover;
	border-radius: 12px;
	box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

/* Dark mode photo shadow */
html[data-theme="dark"] .hero-photo img {
	box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

/* Cosmic Canvas */
.cosmic-canvas {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	z-index: 0;
	opacity: 0.6;
}

.hero-container {
	position: relative;
	z-index: 1;
}

/* Glitch Text Effect */
.glitch-text {
	position: relative;
	display: inline-block;
}

.glitch-text::before,
.glitch-text::after {
	content: attr(data-text);
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	opacity: 0;
}

.glitch-text::before {
	animation: none;
	color: #667eea;
	z-index: -1;
}

.glitch-text::after {
	animation: none;
	color: #764ba2;
	z-index: -2;
}

@keyframes glitch-1 {
	0%, 100% {
		transform: translate(0);
		opacity: 0;
	}
}

@keyframes glitch-2 {
	0%, 100% {
		transform: translate(0);
		opacity: 0;
	}
}

/* Hero Tagline */
.hero-tagline {
	margin: var(--spacing-md) 0 var(--spacing-lg) 0;
	font-size: 1.2rem;
	color: rgba(255, 255, 255, 0.9);
	font-weight: 400;
	min-height: 3em; /* Reserve space for tagline to prevent layout shift */
	display: flex;
	align-items: flex-start;
}

.typing-text::after {
	content: '|';
	animation: blink 0.7s infinite;
	margin-left: 2px;
}

@keyframes blink {
	0%, 49% { opacity: 1; }
	50%, 100% { opacity: 0; }
}

/* Photo Glow Effect */
.photo-glow {
	position: absolute;
	inset: -20px;
	background: linear-gradient(135deg, #667eea, #764ba2);
	border-radius: 12px;
	filter: blur(30px);
	opacity: 0.4;
	z-index: -1;
}

@keyframes pulse-glow {
	0%, 100% { opacity: 0.4; transform: scale(1); }
	50% { opacity: 0.6; transform: scale(1.05); }
}

/* Pulse Animation for Scroll */
.pulse-animation {
	animation: bounce 2s infinite, pulse 2s ease-in-out infinite;
}

@keyframes pulse {
	0%, 100% { opacity: 0.8; }
	50% { opacity: 1; }
}

/* Dark mode adjustments for glitch */
html[data-theme="dark"] .glitch-text::before {
	color: #93c5fd;
}

html[data-theme="dark"] .glitch-text::after {
	color: #a78bfa;
}

html[data-theme="dark"] .photo-glow {
	opacity: 0.3;
}

/* ===================================
   Page Header
   =================================== */

.page-header {
	margin-top: var(--nav-height);
	padding: var(--spacing-xxl) 0;
	background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
	color: white;
	text-align: center;
	position: relative;
	overflow: hidden;
}

.dicke-canvas {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	display: block;
	z-index: 0;
	opacity: 0.4;
}

.page-header-canvas {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	display: block;
	z-index: 0;
	opacity: 1;
}

.em-wave-canvas {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	display: block;
	z-index: 1;
	opacity: 1;
}

.page-header .container {
	position: relative;
	z-index: 2;
}

.page-title {
	font-size: 2.5rem;
	color: white;
	margin-bottom: var(--spacing-xs);
}

.page-subtitle {
	font-size: 1.25rem;
	color: rgba(255, 255, 255, 0.9);
	font-weight: 400;
}

/* ===================================
   Main Content
   =================================== */

.main-content {
	padding: var(--spacing-xxl) 0;
}

.section {
	padding: var(--spacing-xxl) 0;
}

.section-intro {
	text-align: center;
	margin-bottom: var(--spacing-xl);
}

.section-title {
	font-size: 2rem;
	margin-bottom: var(--spacing-md);
}

.section-lead {
	font-size: 1.25rem;
	color: var(--text-light);
	max-width: 700px;
	margin: 0 auto;
}

.content-section {
	margin-bottom: var(--spacing-xxl);
}

.content-heading {
	font-size: 1.75rem;
	margin-bottom: var(--spacing-lg);
	padding-bottom: var(--spacing-sm);
	border-bottom: 2px solid var(--border-color);
}

/* ===================================
   About Section
   =================================== */

.about-section {
	background-color: var(--bg-lighter);
}

.about-grid {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: var(--spacing-xl);
	margin-top: var(--spacing-lg);
}

.about-text p {
	font-size: 1.05rem;
	line-height: 1.8;
}

.about-highlights {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: var(--spacing-md);
}

.highlight-card {
	background-color: white;
	padding: var(--spacing-md);
	border-radius: 8px;
	box-shadow: var(--shadow-sm);
	transition: all var(--transition-normal);
}

.highlight-card:hover {
	transform: translateY(-4px);
	box-shadow: var(--shadow-md);
}

.highlight-card h3 {
	font-size: 0.875rem;
	text-transform: uppercase;
	letter-spacing: 0.5px;
	color: var(--text-lighter);
	margin-bottom: var(--spacing-xs);
	font-family: var(--font-sans);
	font-weight: 600;
}

.highlight-card p {
	color: var(--text-dark);
	font-weight: 500;
	margin-bottom: 0;
}

.highlight-card p a {
	color: var(--text-dark);
	text-decoration: none;
	border-bottom: 1px solid var(--text-lighter);
	transition: all var(--transition-fast);
}

.highlight-card p a:hover {
	color: var(--primary-color);
	border-bottom-color: var(--primary-color);
}

/* ===================================
   Links Section
   =================================== */

.links-section {
	background-color: white;
}

.links-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
	gap: var(--spacing-lg);
}

.link-card {
	display: flex;
	align-items: flex-start;
	gap: var(--spacing-md);
	padding: var(--spacing-lg);
	background-color: var(--bg-lighter);
	border: 2px solid var(--border-light);
	border-radius: 12px;
	transition: all var(--transition-normal);
	position: relative;
	overflow: hidden;
}

.link-card::before {
	content: '';
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	height: 3px;
	background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
	transform: scaleX(0);
	transform-origin: left;
	transition: transform var(--transition-normal);
}

.link-card:hover {
	transform: translateY(-4px);
	box-shadow: var(--shadow-lg);
	border-color: var(--primary-color);
}

.link-card:hover::before {
	transform: scaleX(1);
}

.link-card-icon {
	flex-shrink: 0;
	width: 48px;
	height: 48px;
	display: flex;
	align-items: center;
	justify-content: center;
	background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
	border-radius: 10px;
	color: white;
}

.link-card-content {
	flex: 1;
}

.link-card-content h3 {
	font-size: 1.25rem;
	margin-bottom: var(--spacing-xs);
	color: var(--text-dark);
}

.link-card-content p {
	color: var(--text-light);
	font-size: 0.95rem;
	margin-bottom: 0;
}

.link-card-arrow {
	font-size: 1.5rem;
	color: var(--primary-color);
	transition: transform var(--transition-fast);
}

.link-card:hover .link-card-arrow {
	transform: translateX(5px);
}

/* ===================================
   Research Page
   =================================== */

.research-intro {
	background-color: var(--bg-lighter);
	padding: var(--spacing-lg);
	border-radius: 8px;
	margin-bottom: var(--spacing-xl);
	border-left: 4px solid var(--primary-color);
}

.research-project {
	margin-bottom: var(--spacing-xl);
}

.research-project h3 {
	color: var(--primary-color);
	margin-bottom: var(--spacing-md);
}

.research-project p {
	font-size: 1.05rem;
	line-height: 1.8;
}

.publications-list {
	background-color: var(--bg-lighter);
	padding: var(--spacing-lg);
	border-radius: 8px;
}

/* ===================================
   Talks Page
   =================================== */

.talks-list {
	display: flex;
	flex-direction: column;
	gap: var(--spacing-md);
}

.talk-item {
	background-color: var(--bg-lighter);
	border-radius: 8px;
	transition: all var(--transition-normal);
	overflow: hidden;
	border: 1px solid var(--border-light);
}

.talk-item:hover {
	box-shadow: var(--shadow-md);
	transform: translateX(4px);
}

.talk-link,
.talk-link-no-pdf {
	display: block;
	padding: var(--spacing-lg);
}

.talk-title {
	font-size: 1.15rem;
	color: var(--text-dark);
	margin-bottom: var(--spacing-xs);
	line-height: 1.4;
}

.talk-link:hover .talk-title {
	color: var(--primary-color);
}

.talk-venue {
	color: var(--text-light);
	font-size: 0.95rem;
	margin-bottom: 0.25rem;
}

.talk-date {
	color: var(--text-lighter);
	font-size: 0.875rem;
	margin-top: 0.25rem;
	margin-bottom: 0;
	font-style: italic;
}

.talk-type {
	font-size: 0.875rem;
	color: var(--primary-color);
	font-weight: 500;
}

/* ===================================
   Contact Page
   =================================== */

.contact-grid {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: var(--spacing-xxl);
}

.contact-form {
	display: flex;
	flex-direction: column;
	gap: var(--spacing-md);
}

.form-group {
	display: flex;
	flex-direction: column;
	gap: var(--spacing-xs);
}

.form-group label {
	font-weight: 500;
	color: var(--text-dark);
	font-size: 0.95rem;
}

.form-group input,
.form-group textarea {
	padding: 0.75rem;
	border: 2px solid var(--border-color);
	border-radius: 6px;
	font-family: var(--font-sans);
	font-size: 1rem;
	transition: all var(--transition-fast);
	background-color: var(--bg-white);
}

.form-group input:focus,
.form-group textarea:focus {
	outline: none;
	border-color: var(--primary-color);
	box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-group textarea {
	resize: vertical;
	min-height: 120px;
}

.form-actions {
	display: flex;
	gap: var(--spacing-md);
	margin-top: var(--spacing-sm);
}

.btn {
	padding: 0.75rem 1.5rem;
	border: none;
	border-radius: 6px;
	font-family: var(--font-sans);
	font-size: 1rem;
	font-weight: 500;
	cursor: pointer;
	transition: all var(--transition-fast);
}

.btn-primary {
	background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
	color: white;
}

.btn-primary:hover {
	transform: translateY(-2px);
	box-shadow: var(--shadow-md);
}

.btn-secondary {
	background-color: var(--bg-light);
	color: var(--text-medium);
	border: 2px solid var(--border-color);
}

.btn-secondary:hover {
	background-color: var(--border-light);
}

.contact-info-card {
	display: flex;
	gap: var(--spacing-md);
	padding: var(--spacing-lg);
	background-color: var(--bg-lighter);
	border-radius: 8px;
	margin-bottom: var(--spacing-md);
}

.contact-info-icon {
	flex-shrink: 0;
	width: 48px;
	height: 48px;
	display: flex;
	align-items: center;
	justify-content: center;
	background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
	border-radius: 8px;
	color: white;
}

.contact-info-content h3 {
	font-size: 1rem;
	margin-bottom: var(--spacing-xs);
	color: var(--text-dark);
}

.contact-info-content p {
	color: var(--text-light);
	margin-bottom: 0;
	line-height: 1.6;
}

.social-links {
	display: flex;
	gap: var(--spacing-md);
}

.social-links a {
	color: var(--primary-color);
	font-weight: 500;
}

/* ===================================
   Misc Page
   =================================== */

.misc-intro {
	font-size: 1.05rem;
	line-height: 1.8;
	margin-bottom: var(--spacing-xl);
	padding: var(--spacing-lg);
	background-color: var(--bg-lighter);
	border-radius: 8px;
}

.projects-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
	gap: var(--spacing-lg);
}

.project-card-link {
	display: block;
	text-decoration: none;
	color: inherit;
}

.project-card {
	background-color: var(--bg-lighter);
	padding: var(--spacing-lg);
	border-radius: 8px;
	border: 2px solid var(--border-light);
	transition: all var(--transition-normal);
	height: 100%;
}

.project-card-link:hover .project-card {
	transform: translateY(-4px);
	box-shadow: var(--shadow-md);
	border-color: var(--primary-color);
}

.project-title {
	margin-bottom: var(--spacing-md);
	color: var(--text-dark);
	font-size: 1.25rem;
}

.project-card-link:hover .project-title {
	color: var(--primary-color);
}

.project-description {
	color: var(--text-light);
	line-height: 1.7;
}

.project-features {
	list-style: none;
	margin: 0;
	padding: 0;
}

.project-features li {
	padding: var(--spacing-xs) 0;
	color: var(--text-light);
	position: relative;
	padding-left: var(--spacing-md);
}

.project-features li::before {
	content: '→';
	position: absolute;
	left: 0;
	color: var(--primary-color);
}

/* ===================================
   Footer
   =================================== */

.footer {
	background-color: var(--text-dark);
	color: rgba(255, 255, 255, 0.8);
	padding: var(--spacing-xl) 0;
	margin-top: var(--spacing-xxl);
}

.footer-content {
	display: flex;
	justify-content: space-between;
	align-items: center;
}

.footer-left p {
	margin: 0;
	font-size: 0.95rem;
}

.last-updated {
	margin: 8px 0 0 0;
	font-size: 0.85rem;
	opacity: 0.7;
	font-style: italic;
}

.footer-right {
	display: flex;
	gap: var(--spacing-md);
}

.footer-right a {
	color: rgba(255, 255, 255, 0.8);
	transition: color var(--transition-fast);
}

.footer-right a:hover {
	color: white;
}

/* ===================================
   Responsive Design
   =================================== */

@media (max-width: 968px) {
	.about-grid {
		grid-template-columns: 1fr;
	}

	.about-highlights {
		grid-template-columns: 1fr 1fr;
	}

	.contact-grid {
		grid-template-columns: 1fr;
	}
}

@media (max-width: 768px) {
	:root {
		--spacing-xl: 2rem;
		--spacing-xxl: 3rem;
	}

	h1 { font-size: 2rem; }
	h2 { font-size: 1.75rem; }
	h3 { font-size: 1.25rem; }

	.hero-title {
		font-size: 2.5rem;
	}

	.hero-subtitle {
		font-size: 1.25rem;
	}

	.page-title {
		font-size: 2rem;
	}

	/* Hide REACH logo on mobile to reduce crowding */
	.reach-logo {
		display: none;
	}

	.nav-toggle {
		display: flex;
	}

	.nav-menu {
		position: fixed;
		top: var(--nav-height);
		left: 0;
		right: 0;
		flex-direction: column;
		background-color: var(--bg-light);
		padding: var(--spacing-lg);
		gap: var(--spacing-md);
		box-shadow: var(--shadow-lg);
		transform: translateY(-100%);
		opacity: 0;
		visibility: hidden;
		transition: all var(--transition-normal);
	}

	.nav-menu li a {
		color: var(--text-dark);
	}

	.nav-menu.active {
		transform: translateY(0);
		opacity: 1;
		visibility: visible;
	}

	.nav-menu li a.active::after {
		display: none;
	}

	.hero-container {
		grid-template-columns: 1fr;
		gap: var(--spacing-lg);
	}

	.hero-photo {
		order: -1;
		max-width: 250px;
		justify-self: center;
		margin-bottom: var(--spacing-md);
	}

	.hero-with-photo .hero-content {
		text-align: center;
	}

	.hero-with-photo .hero-links {
		justify-content: center;
	}

	.about-highlights {
		grid-template-columns: 1fr;
	}

	.links-grid {
		grid-template-columns: 1fr;
	}

	.projects-grid {
		grid-template-columns: 1fr;
	}
}

@media (max-width: 480px) {
	.container,
	.nav-container {
		padding: 0 var(--spacing-md);
	}

	.hero {
		padding: var(--spacing-xl) var(--spacing-md);
	}

	.hero-title {
		font-size: 2rem;
	}

	.hero-subtitle {
		font-size: 1.1rem;
	}

	.hero-affiliation {
		font-size: 1rem;
	}

	.hero-links {
		flex-direction: column;
	}

	.hero-link {
		width: 100%;
		justify-content: center;
	}

	.form-actions {
		flex-direction: column;
	}

	.btn {
		width: 100%;
	}
}

/* ===================================
   Print Styles
   =================================== */

@media print {
	.nav-bar,
	.hero-scroll,
	.footer {
		display: none;
	}

	.hero {
		min-height: auto;
		padding: var(--spacing-lg);
	}

	body {
		font-size: 12pt;
	}
}