body {
    background: #ffffff;
}

.header {
    background: #f8f9fa;
    padding: 2rem 0;
}

.author-hero {
    display: flex;
    align-items: center;
    gap: 3rem;
    flex-wrap: wrap;
    padding: 2rem 0;
}

.author-image {
    flex-shrink: 0;
}

.avatar {
    overflow:hidden;
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background: #f8f9fa; /*linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);*/
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: #ffffff;
    font-weight: 700;
    border: 4px solid #f8f9fa;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.author-info {
    flex: 1;
    min-width: 300px;
}

.author-name {
    margin-bottom: 0.5rem;
}

.author-title {
    color: #4b5563;
    margin-bottom: 1rem;
    font-weight: 500;
}

.meta-info {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
    margin-top: 1.5rem;
}

.meta-item {
    display: flex;
    flex-direction: column;
}

.meta-label {
    color: #6b7280;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.25rem;
}

.meta-value {
    color: #2c3e50;
    font-weight: 600;
}

.content-section {
    padding: 2rem 0;
}

.content-section:last-child {
    border-bottom: none;
}

.section-title {
    color: #2c3e50;
    border-bottom:0 !important;
    margin-bottom: 0;
    padding-bottom:0;
    display: inline-block;
}

.bio-text {
    color: #374151;
    line-height: 1.8;
    margin-bottom: 1rem;
}

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

.language-card {
    background: #f8f9fa;
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px #ccc solid;
}

.language-name {
    color:var(--primary-color);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.language-level {
    color: #6b7280;
}

.education-timeline {
    position: relative;
    padding-left: 2rem;
    margin-top: 1.5rem;
}

.education-timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 1px;
    background: #ccc;
}

.education-item {
    position: relative;
    margin-bottom: 2.5rem;
    padding-left: 1.5rem;
}

.education-item::before {
    content: '';
    position: absolute;
    top: 0.5rem;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: #2c3e50;
    left: -2.4rem;
}

.education-degree {
    color: var(--primary-color);
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.education-institution {
    color: #374151;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.education-period {
    color: #6b7280;
    margin-bottom: 0.5rem;
}

.education-specialization {
    color: #4b5563;
    font-style: italic;
}

.expertise-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-top: 1.5rem;
}

.expertise-item {
    background: #f8f9fa;
    padding: 1rem 1.5rem;
    border-radius: 6px;
    color: #2c3e50;
    border: 1px #ccc solid;
}

.goals-list {
    list-style: none;
    margin-top: 1.5rem;
}

.goals-list li {
    padding: 0.75rem 0;
    padding-left: 2rem;
    position: relative;
    color: #374151;
    font-size: 1.05rem;
}

.goals-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: 700;
    font-size: 1.2rem;
}

@media (max-width: 768px) {
    .author-hero {
        flex-direction: column;
        text-align: center;
        gap: 2rem;
    }

    .author-name {
        font-size: 2rem;
    }

    .author-title {
        font-size: 1.1rem;
    }

    .meta-info {
        justify-content: center;
    }

    .avatar {
        width: 150px;
        height: 150px;
        font-size: 3rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .education-timeline {
        padding-left: 1.5rem;
    }
}

@media (max-width: 480px) {

    .author-name {
        font-size: 1.75rem;
    }

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


    .education-item::before{
        left: -1.9rem;
    }
}