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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background: #f5f5f5;
}

header {
    background: #2c3e50;
    padding: 1rem 2rem;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.lang-switcher {
    text-align: right;
}

.lang-switcher a {
    color: #ecf0f1;
    text-decoration: none;
    margin-left: 1rem;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    transition: background 0.3s;
}

.lang-switcher a:hover,
.lang-switcher a.active {
    background: #34495e;
}

main {
    max-width: 900px;
    margin: 2rem auto;
    padding: 0 2rem;
}

section {
    background: white;
    margin-bottom: 2rem;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.hero {
    text-align: center;
    padding: 3rem 2rem;
}

.profile-photo {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 1.5rem;
    border: 4px solid #2c3e50;
}

h1 {
    font-size: 2.5rem;
    color: #2c3e50;
    margin-bottom: 0.5rem;
}

.tagline {
    font-size: 1.3rem;
    color: #7f8c8d;
    margin-bottom: 1rem;
}

.contact {
    font-size: 1.1rem;
}

.contact a {
    color: #3498db;
    text-decoration: none;
}

.contact a:hover {
    text-decoration: underline;
}

h2 {
    color: #2c3e50;
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    border-bottom: 2px solid #3498db;
    padding-bottom: 0.5rem;
}

h3 {
    color: #34495e;
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

.period {
    color: #7f8c8d;
    font-style: italic;
    margin-bottom: 0.5rem;
}

.job, .education ul li {
    margin-bottom: 1.5rem;
}

ul {
    list-style-position: inside;
    margin-left: 1rem;
}

ul li {
    margin-bottom: 0.8rem;
}

.skills ul {
    list-style: none;
    margin-left: 0;
}

.skills li {
    padding-left: 1.5rem;
    position: relative;
}

.skills li:before {
    content: "▸";
    position: absolute;
    left: 0;
    color: #3498db;
    font-weight: bold;
}

.projects ul {
    list-style: none;
    margin-left: 0;
}

.projects li {
    padding-left: 1.5rem;
    position: relative;
}

.projects li:before {
    content: "🔗";
    position: absolute;
    left: 0;
}

.projects a {
    color: #3498db;
    text-decoration: none;
}

.projects a:hover {
    text-decoration: underline;
}

.contact-section {
    text-align: center;
    font-size: 1.1rem;
}

.contact-section p {
    margin-bottom: 0.5rem;
}

footer {
    text-align: center;
    padding: 2rem;
    color: #7f8c8d;
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    main {
        padding: 0 1rem;
    }

    section {
        padding: 1.5rem;
    }

    h1 {
        font-size: 2rem;
    }

    .tagline {
        font-size: 1.1rem;
    }

    h2 {
        font-size: 1.5rem;
    }
}