/* About Section */
.about {
    /* background-color: var(--dark-bg-lighter); */
    background-color: var(--dark-bg);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    align-items: center;
}

.profile-image {
    width: 250px;
    height: 250px;
    border-radius: 50%;
    overflow: hidden;
    border: 4px solid var(--primary);
    box-shadow: 0 10px 20px rgba(155, 135, 245, 0.3);
    margin: 0 auto;
}

.avatar {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.about-text h3 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.about-text .title {
    color: var(--primary-light);
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
}

.skills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 1.5rem 0;
}

.skill {
    background: linear-gradient(135deg, rgba(155, 135, 245, 0.2) 0%, rgba(14, 165, 233, 0.2) 100%);
    color: var(--text);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.875rem;
    border: 1px solid rgba(155, 135, 245, 0.3);
}

/* Timeline Section */
.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    padding: 2rem 0;
}

.timeline::before {
    content: '';
    position: absolute;
    width: 2px;
    background: var(--primary);
    top: 0;
    bottom: 0;
    left: 1rem;
    opacity: 0.5;
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
    padding-left: 3rem;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-marker {
    position: absolute;
    left: 0;
    width: 1.5rem;
    height: 1.5rem;
    background: var(--gradient);
    border-radius: 50%;
    left: 0.25rem;
}

.timeline-content {
    background: var(--dark-bg-lighter);
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    border-left: 3px solid var(--primary);
}

.timeline-content h3 {
    margin-top: 0;
    margin-bottom: 0.5rem;
    color: var(--primary-light);
}

.timeline-place {
    margin-bottom: 0.25rem;
}

.timeline-period {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

/* Tech Stack Section */
.tech-stack {
    background-color: var(--dark-bg);
    padding: 5rem 0;
}

.stack-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.stack-category {
    background-color: var(--dark-bg-lighter);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    text-align: center;
    border-top: 3px solid var(--primary);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.stack-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--primary);
}

.stack-category h3 {
    margin-bottom: 1.5rem;
    color: var(--primary-light);
}

.stack-list {
    list-style: none;
    padding: 0;
    text-align: left;
    flex-grow: 1;
}

.stack-list li {
    margin-bottom: 0.75rem;
    position: relative;
    padding-left: 1.5rem;
}

.stack-list li::before {
    content: '▹';
    position: absolute;
    left: 0;
    color: var(--primary);
}

.stack-item {
    color: var(--text);
}

/* Certification Section */
.certifications {
    padding: 5rem 0;
    background-color: var(--dark-bg-lighter);
}

.certifications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.certification-card {
    background-color: var(--dark-bg);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    transition: transform 0.3s ease;
}

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

.certification-logo {
    font-size: 2rem;
    color: var(--primary);
    flex-shrink: 0;
}

.certification-content h3 {
    margin-top: 0;
    margin-bottom: 0.5rem;
    font-size: 1.25rem;
}

.certification-date {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-bottom: 0.75rem;
}

/* Experience Section */
.experience {
    padding: 5rem 0;
}