:root {
    --bg-color: #0f172a;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent-color: #38bdf8;
    --card-bg: #1e293b;
    --nav-bg: rgba(15, 23, 42, 0.9);
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'JetBrains Mono', monospace;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: var(--nav-bg);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1.5rem 0;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--accent-color);
    text-decoration: none;
}

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

nav ul li a {
    text-decoration: none;
    color: var(--text-primary);
    font-size: 0.9rem;
    transition: var(--transition);
}

nav ul li a:hover {
    color: var(--accent-color);
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding-top: 5rem;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
}

.subtitle {
    font-size: 1.5rem;
    color: var(--accent-color);
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.description {
    max-width: 600px;
    margin: 0 auto 2.5rem;
    color: var(--text-secondary);
}

.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    border: 1px solid var(--accent-color);
    color: var(--accent-color);
    text-decoration: none;
    border-radius: 4px;
    transition: var(--transition);
}

.btn:hover {
    background-color: var(--accent-color);
    color: var(--bg-color);
}

/* Projects Section */
.projects {
    padding: 8rem 0;
}

.projects h2 {
    font-size: 2rem;
    margin-bottom: 3rem;
    text-align: center;
}

.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.project-card {
    background-color: var(--card-bg);
    padding: 2rem;
    border-radius: 8px;
    transition: var(--transition);
    border: 1px solid transparent;
}

.project-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-color);
}

.project-card h3 {
    margin-bottom: 1rem;
    color: var(--accent-color);
}

.project-card p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
}

.project-link {
    text-decoration: none;
    color: var(--text-primary);
    font-size: 0.8rem;
    font-weight: bold;
}

/* Contact Section */
.contact {
    padding: 8rem 0 4rem;
    text-align: center;
    background-color: rgba(30, 41, 59, 0.5);
}

.contact h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.contact p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.contact-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 4rem;
}

.contact-links a {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 1rem;
    transition: var(--transition);
}

.contact-links a:hover {
    color: var(--accent-color);
}

.copyright {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .subtitle {
        font-size: 1.2rem;
    }
}