.profile-container {
    min-height: 100vh;
    background-color: var(--bg-secondary);
    padding: 2rem;
    display: flex;
    justify-content: center;
    align-items: center;
}

.lang-toggle-container {
    position: absolute;
    top: 1rem;
    right: 1rem;
}

.lang-toggle {
    padding: 0.5rem 1rem;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s;
    font-family: inherit;
}

.lang-toggle:hover {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.profile-card {
    background-color: var(--bg-primary);
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    padding: 3rem;
    max-width: 800px;
    width: 100%;
    position: relative;
}

.profile-header {
    text-align: center;
    margin-bottom: 3rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
}

.profile-image {
    width: 152px;
    height: 152px;
    border-radius: 50%;
    object-fit: cover;
    object-position: center;
    margin-bottom: 1.5rem;
    border: 4px solid #fff;
    box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.08), 0 2px 4px rgba(0, 0, 0, 0.1);
    background-color: #fff;
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.profile-header h1 {
    font-size: 2.5rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.tagline {
    font-size: 1.125rem;
    color: var(--text-secondary);
}

.profile-section {
    margin-bottom: 2.5rem;
}

.profile-section h2 {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.profile-section p {
    color: var(--text-secondary);
    line-height: 1.7;
}

.expertise-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.expertise-item {
    background-color: var(--bg-secondary);
    padding: 1.5rem;
    border-radius: 8px;
}

.expertise-item h3 {
    font-size: 1rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.expertise-item p {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.projects-list {
    list-style: none;
    color: var(--text-secondary);
}

.projects-list li {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-color);
}

.projects-list li:last-child {
    border-bottom: none;
}

.connect-links {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.connect-links a {
    padding: 0.5rem 1rem;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    text-decoration: none;
    color: var(--text-primary);
    font-size: 0.875rem;
    transition: all 0.3s;
}

.connect-links a:hover {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.profile-footer {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.back-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

.back-link:hover {
    text-decoration: underline;
}

/* Responsive Design */
@media (max-width: 768px) {
    .profile-container {
        padding: 1rem;
    }
    
    .profile-card {
        padding: 1.5rem;
        border-radius: 12px;
    }
    
    .profile-header {
        margin-bottom: 2rem;
        padding-bottom: 1.5rem;
    }
    
    .profile-image {
        width: 128px;
        height: 128px;
    }
    
    .profile-header h1 {
        font-size: 1.75rem;
    }
    
    .tagline {
        font-size: 1rem;
    }
    
    .profile-section {
        margin-bottom: 2rem;
    }
    
    .profile-section h2 {
        font-size: 1.25rem;
    }
    
    .expertise-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .expertise-item {
        padding: 1rem;
    }
    
    .connect-links {
        justify-content: center;
    }
    
    .connect-links a {
        -webkit-tap-highlight-color: transparent;
    }
    
    .profile-footer {
        margin-top: 2rem;
        padding-top: 1.5rem;
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    .profile-image {
        width: 96px;
        height: 96px;
        border-width: 3px;
    }
    
    .profile-header h1 {
        font-size: 1.5rem;
    }
    
    .profile-section h2 {
        font-size: 1.125rem;
    }
    
    .profile-section p {
        font-size: 0.875rem;
    }
    
    .expertise-item h3 {
        font-size: 0.875rem;
    }
    
    .expertise-item p {
        font-size: 0.75rem;
    }
    
    .connect-links a {
        font-size: 0.75rem;
        padding: 0.375rem 0.75rem;
    }
}

/* Touch device optimizations */
@media (hover: none) and (pointer: coarse) {
    .connect-links a:active {
        transform: scale(0.95);
    }
    
    .back-link:active {
        opacity: 0.7;
    }
}