:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --text-color: #333;
    --background-color: #f4f4f4;
}

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

body {
    font-family: 'Roboto', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background-color);
}

header {
    background-color: var(--primary-color);
    color: white;
    padding: 1rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

header h1 {
    margin-bottom: 1rem;
    font-size: 1.8rem;
}

nav ul {
    list-style-type: none;
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

nav a {
    color: white;
    text-decoration: none;
    transition: color 0.3s ease;
}

nav a:hover {
    color: var(--secondary-color);
}

main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

section {
    margin-bottom: 2rem;
}

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

.about-content {
  display: flex;
  align-items: center;
}

.profile-pic {
  width: 150px;
  height: auto;
  border-radius: 50%;
  margin-right: 2rem;
}

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

.card {
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    padding: 1.5rem;
    transition: transform 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
}

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

.card ul {
    list-style-type: disc;
    padding-left: 1.5rem;
}

#contact .contact-info a {
    color: var(--secondary-color);
    text-decoration: none;
}

footer {
    background-color: var(--primary-color);
    color: white;
    text-align: center;
    padding: 1rem;
}

@media screen and (max-width: 768px) {
    header {
        text-align: center;
    }

    nav ul {
        flex-direction: column;
        align-items: center;
    }

    .grid {
        grid-template-columns: 1fr;
    }
}