/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #000000;
    color: #ffffff;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
header {
    background-color: #0a0a0a;
    padding: 1.5rem 0;
    border-bottom: 2px solid #333;
    position: sticky;
    top: 0;
    z-index: 100;
}

header h1 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: #ffffff;
}

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

nav a {
    color: #cccccc;
    text-decoration: none;
    font-size: 1.1rem;
    transition: color 0.3s;
}

nav a:hover {
    color: #ffffff;
}

/* Main sections */
section {
    padding: 4rem 0;
    border-bottom: 1px solid #222;
}

h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    color: #ffffff;
}

h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #ffffff;
}

/* Hero section */
.hero {
    text-align: center;
    padding: 6rem 0;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 100%);
}

.hero h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.2rem;
    color: #cccccc;
}

/* Projects section */
.projects {
    background-color: #050505;
}

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

.project-card {
    background-color: #111111;
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid #222;
    transition: transform 0.3s, border-color 0.3s;
}

.project-card:hover {
    transform: translateY(-5px);
    border-color: #444;
}

.project-card h3 {
    color: #ffffff;
    margin-bottom: 1rem;
}

.project-card p {
    color: #aaaaaa;
    margin-bottom: 1.5rem;
}

/* Documentation section */
.documentation {
    background-color: #0a0a0a;
}

.doc-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.doc-item {
    background-color: #111111;
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid #222;
    transition: transform 0.3s, border-color 0.3s;
}

.doc-item:hover {
    transform: translateY(-3px);
    border-color: #444;
}

.doc-item h3 {
    font-size: 1.3rem;
    margin-bottom: 0.8rem;
}

.doc-item p {
    color: #aaaaaa;
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.6rem 1.5rem;
    background-color: #222222;
    color: #ffffff;
    text-decoration: none;
    border-radius: 4px;
    border: 1px solid #444;
    transition: background-color 0.3s, border-color 0.3s;
    font-size: 0.95rem;
}

.btn:hover {
    background-color: #333333;
    border-color: #666;
}

/* Footer */
footer {
    background-color: #0a0a0a;
    padding: 2rem 0;
    text-align: center;
    border-top: 2px solid #333;
}

footer p {
    color: #888888;
}

/* Responsive design */
@media (max-width: 768px) {
    header h1 {
        font-size: 1.5rem;
    }

    nav ul {
        flex-direction: column;
        gap: 0.5rem;
    }

    .hero h2 {
        font-size: 2rem;
    }

    h2 {
        font-size: 2rem;
    }

    .project-grid,
    .doc-list {
        grid-template-columns: 1fr;
    }
}