/* Modern Professional CSS */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f5f5f5;
}

/* Header Navigation */
nav {
    background-color: #2c3e50;
    padding: 1rem;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 2rem;
}

nav a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

nav a:hover {
    color: #3498db;
}

/* Main Content */
main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 80px 20px 40px;
}

/* Hero Section */
h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: #2c3e50;
}

.tagline {
    font-size: 1.5rem;
    color: #7f8c8d;
    margin-bottom: 1rem;
}

.description {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    color: #555;
}

/* Skills Tags */
.skills {
    margin-bottom: 2rem;
}

.skills span {
    display: inline-block;
    background-color: #3498db;
    color: white;
    padding: 0.5rem 1rem;
    margin: 0.25rem;
    border-radius: 20px;
    font-size: 0.9rem;
}

/* Buttons */
.buttons {
    margin-bottom: 3rem;
}

.buttons a {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    margin: 0.5rem;
    background-color: #2c3e50;
    color: white;
    text-decoration: none;
    border-radius: 5px;
    transition: background-color 0.3s;
}

.buttons a:hover {
    background-color: #34495e;
}

/* Code Block */
pre {
    background-color: #282c34;
    color: #abb2bf;
    padding: 1.5rem;
    border-radius: 8px;
    overflow-x: auto;
    margin: 2rem 0;
    font-family: 'Courier New', monospace;
}

/* Featured Projects */
.featured-projects {
    background-color: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    margin-top: 3rem;
}

.featured-projects h2 {
    color: #2c3e50;
    margin-bottom: 2rem;
    font-size: 2rem;
}

.project {
    margin-bottom: 2rem;
}

.project h3 {
    color: #3498db;
    margin-bottom: 1rem;
}

.project ul {
    margin-left: 2rem;
    margin-top: 1rem;
}

.project li {
    margin-bottom: 0.5rem;
}

/* Responsive */
@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }
    
    nav ul {
        flex-wrap: wrap;
        gap: 1rem;
    }
    
    .skills span {
        font-size: 0.8rem;
    }
}