:root {
	--color-primary: #3498db;
	--color-dark: #2c3e50;
	--color-medium: #34495e;
	--color-muted: #7f8c8d;
	--color-text: #333;
	--color-text-light: #555;
	--color-bg: #f5f5f5;
	--color-bg-card: #f8f9fa;
	--color-white: #fff;
	--color-notice-bg: #e8f4fd;
	--color-border: #e0e0e0;
}

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

body {
	font-family:
		-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu,
		sans-serif;
	line-height: 1.6;
	color: var(--color-text);
	background-color: var(--color-bg);
}

.container {
	max-width: 800px;
	margin: 0 auto;
	padding: 2rem;
}

.hero {
	text-align: center;
	padding: 3rem 2rem;
	background: linear-gradient(135deg, var(--color-dark), var(--color-primary));
	color: var(--color-white);
	border-radius: 8px;
	margin-bottom: 2rem;
}

h1 {
	font-size: 2.5rem;
	margin-bottom: 0.5rem;
	color: var(--color-white);
}

.tagline {
	font-size: 1.25rem;
	color: rgba(255, 255, 255, 0.85);
	margin-bottom: 1rem;
}

.main-content {
	background: var(--color-white);
	padding: 2rem;
	border-radius: 8px;
	box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
	margin-top: 2rem;
}

.nav-section {
	margin-bottom: 2rem;
	padding: 1.5rem;
	border-radius: 6px;
	background: var(--color-bg-card);
}

.nav-section:last-of-type {
	margin-bottom: 0;
}

.nav-section p {
	color: var(--color-text-light);
	margin-bottom: 1rem;
}

.nav-links {
	list-style: none;
	padding: 0;
	margin: 0;
}

.nav-links li a {
	display: inline-block;
	color: var(--color-primary);
	text-decoration: none;
	padding: 0.4rem 0;
	border-bottom: 2px solid transparent;
	transition: border-color 0.2s ease;
}

.nav-links li a:hover {
	border-bottom-color: var(--color-primary);
}

.coming-soon {
	color: #aaa;
	font-style: italic;
}

.internship-notice {
	background: var(--color-notice-bg);
	border-left: 4px solid var(--color-primary);
	padding: 0.75rem 1rem;
	margin-bottom: 1rem;
	border-radius: 0 4px 4px 0;
	color: var(--color-dark);
}

.social-links {
	display: flex;
	justify-content: center;
	gap: 1.5rem;
	margin-top: 2rem;
	padding-top: 2rem;
	border-top: 1px solid var(--color-border);
}

.social-links a {
	color: var(--color-primary);
	text-decoration: none;
	font-size: 1rem;
	padding: 0.5rem 1rem;
	border: 1px solid var(--color-primary);
	border-radius: 4px;
	transition: all 0.3s ease;
}

.social-links a:hover {
	background-color: var(--color-primary);
	color: var(--color-white);
}

.hero .social-links {
	border-top-color: rgba(255, 255, 255, 0.25);
}

.hero .social-links a {
	color: var(--color-white);
	border-color: rgba(255, 255, 255, 0.6);
}

.hero .social-links a:hover {
	background-color: rgba(255, 255, 255, 0.15);
	border-color: var(--color-white);
}

h2 {
	color: var(--color-dark);
	border-bottom: 2px solid var(--color-primary);
	padding-bottom: 0.5rem;
	margin-bottom: 1rem;
}

.resume-section {
	margin-bottom: 2rem;
}

.resume-section h3 {
	color: var(--color-medium);
	margin-bottom: 0.5rem;
}

.course-projects {
	margin-top: 1rem;
	padding-left: 0.5rem;
	border-left: 3px solid var(--color-border);
}

.course-projects h5 {
	color: var(--color-muted);
	font-size: 0.85rem;
	text-transform: uppercase;
	letter-spacing: 0.05em;
	margin-bottom: 0.5rem;
}

.course-projects .project {
	margin-bottom: 0.75rem;
}

.course-projects .project h6 {
	margin-bottom: 0.2rem;
	font-size: 0.95rem;
}

.course-projects .project h6 a {
	color: var(--color-primary);
	text-decoration: none;
}

.course-projects .project h6 a:hover {
	text-decoration: underline;
}

.course-projects .project p {
	margin: 0;
	font-size: 0.9rem;
	color: var(--color-text-light);
}

.resume-section h3 a {
	color: inherit;
	text-decoration: underline;
	text-decoration-color: var(--color-primary);
}

.resume-section .date {
	color: var(--color-muted);
	font-size: 0.9rem;
	margin-bottom: 0.5rem;
}

.resume-section p,
.resume-section ul {
	margin-left: 1rem;
}

.resume-section ul {
	list-style-type: disc;
}

footer {
	text-align: center;
	padding: 2rem;
	color: var(--color-muted);
	font-size: 0.9rem;
}

@media (max-width: 600px) {
	.container {
		padding: 1rem;
	}

	h1 {
		font-size: 2rem;
	}

	.hero {
		padding: 2rem 0 1.5rem;
	}

	.social-links {
		flex-direction: column;
		align-items: center;
	}
}