/* Modern Monochrome Theme */
:root {
    --primary-color: #000000;
    --secondary-color: #ffffff;
    --accent-color: #333333;
    --text-color: #222222;
    --background-color: #f5f5f5;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Arial', sans-serif;
}

body {
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
}

/* Navigation */
nav {
    background-color: var(--primary-color);
    padding: 1rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.nav-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
}

.logo {
    color: var(--secondary-color);
    font-size: 1.5rem;
    font-weight: bold;
}

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

.nav-links a {
    color: var(--secondary-color);
    text-decoration: none;
    transition: opacity 0.3s;
}

.nav-links a:hover {
    opacity: 0.8;
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background-color: var(--primary-color);
    color: var(--secondary-color);
}

.hero-content {
    padding: 2rem;
    margin-top: 4rem;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.tagline {
    font-size: 1.5rem;
    margin-bottom: 2rem;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2rem;
    background-color: var(--secondary-color);
    color: var(--primary-color);
    text-decoration: none;
    border-radius: 4px;
    transition: transform 0.3s;
}

.cta-button:hover {
    transform: translateY(-2px);
}

/* Skills Section */
.skills {
    padding: 5rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.skills h2 {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.5rem;
}

.expertise-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.expertise-card {
    background-color: var(--secondary-color);
    padding: 2rem;
    border-radius: 8px;
    text-align: center;
    transition: transform 0.3s;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

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

.expertise-card i {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.languages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
}

.language-card {
    background-color: var(--secondary-color);
    padding: 1.5rem;
    border-radius: 8px;
    text-align: center;
    transition: transform 0.3s;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

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

.language-card i {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.language-card span {
    display: block;
    margin-top: 0.5rem;
}

/* Contact Section */
.contact {
    background-color: var(--primary-color);
    color: var(--secondary-color);
    padding: 5rem 2rem;
    text-align: center;
}

.contact h2 {
    margin-bottom: 2rem;
    font-size: 2.5rem;
}

.contact-content {
    max-width: 600px;
    margin: 0 auto;
}

.social-links {
    margin-top: 2rem;
    display: flex;
    justify-content: center;
    gap: 2rem;
}

.social-link {
    color: var(--secondary-color);
    font-size: 2rem;
    transition: transform 0.3s;
}

.social-link:hover {
    transform: translateY(-3px);
}

/* Footer */
footer {
    background-color: var(--primary-color);
    color: var(--secondary-color);
    text-align: center;
    padding: 1rem;
}

/* Profile Picture Styles */
.profile-container {
    margin-bottom: 2rem;
}

.profile-picture {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    border: 4px solid var(--secondary-color);
    object-fit: cover;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.profile-picture:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.3);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-content {
        flex-direction: column;
        gap: 1rem;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .tagline {
        font-size: 1.2rem;
    }

    .expertise-grid,
    .languages-grid {
        grid-template-columns: 1fr;
    }
}