:root {
    --primary-color: #6c5ce7;
    --secondary-color: #a29bfe;
    --dark-bg: #2d3436;
    --card-bg: #3a4042;
    --text-color: #f5f6fa;
    --accent-color: #00cec9;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--dark-bg);
    color: var(--text-color);
    margin: 0;
    padding: 0;
    line-height: 1.6;
}

.main-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background-color: rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo-container img {
    height: 40px;
}

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

.main-nav a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.main-nav a.active {
    color: var(--accent-color);
}

.user-actions {
    display: flex;
    gap: 1rem;
}

button {
    padding: 0.5rem 1rem;
    border-radius: 4px;
    border: none;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s;
}

.btn-login {
    background: transparent;
    color: var(--text-color);
    border: 1px solid var(--text-color);
}

.btn-signup {
    background: var(--primary-color);
    color: white;
}

.tool-grid {
    padding: 2rem;
    /*max-width: 1200px;*/
    margin: 0 auto;
}

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

.tool-category {
    margin-bottom: 3rem;
}

.tool-category h3 {
    border-bottom: 2px solid var(--accent-color);
    padding-bottom: 0.5rem;
    margin-bottom: 1.5rem;
}

.tool-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1.5rem;
}

.tool-card {
    background-color: var(--card-bg);
    border-radius: 8px;
    padding: 1.5rem;
    transition: transform 0.3s, box-shadow 0.3s;
    cursor: pointer;
}

.tool-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.tool-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.main-footer {
    background-color: #1e272e;
    padding: 2rem;
    margin-top: 3rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.footer-section ul {
    list-style: none;
    padding: 0;
}

.footer-section a {
    color: var(--text-color);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-section a:hover {
    color: var(--accent-color);
}

@media (max-width: 768px) {
    .main-header {
        flex-direction: column;
        gap: 1rem;
    }
    
    .tool-cards {
        grid-template-columns: 1fr;
    }
}