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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #333;
}

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

header {
    background: white;
    padding: 1.5rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid #ddd;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #000;
    font-size: 1.5rem;
    font-weight: 600;
}

.logo-icon {
    width: 1.5rem;
    height: 1.5rem;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 1.5rem;
}

.nav-links a {
    color: #666;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: #000;
}

.hero {
    background: white;
    color: #000;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 0 20px;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    font-weight: 600;
    color: #000;
}

.tagline {
    font-size: 1.25rem;
    color: #666;
    font-weight: 400;
}

.about, .services, .contact {
    padding: 5rem 20px;
}

.about {
    background: white;
}

.about h2, .services h2, .contact h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: #000;
    text-align: center;
    font-weight: 600;
}

.about-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
    max-width: 700px;
    margin: 0 auto;
}

.profile-photo {
    width: 200px;
    height: auto;
    border: 1px solid #ddd;
}

.about p {
    font-size: 1.125rem;
    text-align: center;
    color: #666;
    line-height: 1.7;
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.service-card {
    background: white;
    padding: 2rem;
    border-radius: 0;
    border: 1px solid #ddd;
}

.service-card h3 {
    color: #000;
    margin-bottom: 0.75rem;
    font-size: 1.25rem;
    font-weight: 600;
}

.service-card p {
    color: #666;
    line-height: 1.6;
}

.contact {
    background: white;
    text-align: center;
}

.contact p {
    font-size: 1.125rem;
    margin-bottom: 2rem;
    color: #666;
}

.contact-button {
    display: inline-block;
    padding: 0.875rem 2rem;
    background: #000;
    color: white;
    text-decoration: none;
    border-radius: 0;
    font-weight: 500;
    font-size: 1rem;
    transition: background 0.3s;
}

.contact-button:hover {
    background: #333;
}

.language-toggle {
    display: flex;
    gap: 0.5rem;
}

.lang-btn {
    padding: 0.4rem 0.8rem;
    background: white;
    border: 1px solid #ddd;
    color: #666;
    cursor: pointer;
    font-family: 'Inter', sans-serif;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.3s;
}

.lang-btn:hover {
    border-color: #000;
    color: #000;
}

.lang-btn.active {
    background: #000;
    color: white;
    border-color: #000;
}

.experience {
    padding: 5rem 20px;
    background: white;
}

.timeline {
    max-width: 800px;
    margin: 3rem auto 0;
}

.timeline-item {
    display: grid;
    grid-template-columns: 150px 1fr;
    gap: 2rem;
    margin-bottom: 2.5rem;
    padding-bottom: 2.5rem;
    border-bottom: 1px solid #ddd;
}

.timeline-item:last-child {
    border-bottom: none;
}

.timeline-year {
    color: #666;
    font-weight: 500;
    font-size: 0.9rem;
}

.timeline-content h3 {
    color: #000;
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.timeline-content p {
    color: #666;
    line-height: 1.6;
}

.contact-info {
    max-width: 500px;
    margin: 2rem auto 0;
    text-align: left;
}

.contact-info p {
    margin-bottom: 1rem;
    color: #666;
}

.contact-info a {
    color: #000;
    text-decoration: none;
    transition: color 0.3s;
}

.contact-info a:hover {
    color: #666;
}

footer {
    background: white;
    color: #999;
    text-align: center;
    padding: 2rem 0;
    border-top: 1px solid #ddd;
    font-size: 0.875rem;
}

@media (max-width: 768px) {
    nav {
        flex-direction: column;
        gap: 1rem;
        padding: 10px 20px;
    }

    .logo {
        font-size: 1.25rem;
    }

    .logo-icon {
        width: 1.25rem;
        height: 1.25rem;
    }

    .nav-right {
        flex-direction: column;
        gap: 1rem;
        width: 100%;
    }

    .nav-links {
        gap: 0.5rem;
        font-size: 0.85rem;
        flex-wrap: wrap;
        justify-content: center;
    }

    .language-toggle {
        justify-content: center;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .tagline {
        font-size: 1.2rem;
    }

    .profile-photo {
        width: 150px;
        height: auto;
    }

    .timeline-item {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }

    .timeline-year {
        font-size: 0.85rem;
    }
}
