:root {
    --primary-color: #003366; /* Koyu mavi kurumsal renk */
    --text-color: #333333;
    --bg-color: #ffffff;
    --light-bg: #f9f9f9;
    --border-color: #e5e5e5;
}

.about-section {
    margin: 0 auto;
    padding: 40px 20px;
}

.section-title {
    position: relative;
    margin-bottom: 50px;
    text-align: center;
}

.section-title h1 {
    font-size: 36px;
    font-weight: 700;
    color: var(--primary-color);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 15px;
}

.section-title .divider {
    width: 80px;
    height: 4px;
    background-color: var(--primary-color);
    margin: 0 auto;
}

.about-content {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    margin-bottom: 60px;
}

.about-text {
    flex: 1;
    min-width: 300px;
}

.about-text h2 {
    font-size: 28px;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.about-text p {
    margin-bottom: 20px;
    font-size: 16px;
    color: var(--text-color);
}

.about-image {
    flex: 1;
    min-width: 300px;
    background-color: var(--light-bg);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin: 50px 0;
}

.value-card {
    background-color: var(--light-bg);
    padding: 30px 25px;
    border-radius: 8px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border-bottom: 4px solid var(--primary-color);
}

.value-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.value-icon {
    font-size: 40px;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.value-card h3 {
    font-size: 22px;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.timeline {
    position: relative;
    max-width: 1000px;
    margin: 60px auto;
    padding: 20px 0;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 3px;
    background-color: var(--primary-color);
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    margin-bottom: 50px;
}

.timeline-item:nth-child(odd) {
    padding-right: calc(50% + 45px);
}

.timeline-item:nth-child(even) {
    padding-left: calc(50% + 45px);
}

.timeline-content {
    background-color: var(--light-bg);
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    position: relative;
}

.timeline-content h3 {
    font-size: 20px;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.timeline-year {
    position: absolute;
    top: 0;
    width: 70px;
    height: 70px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-weight: bold;
    font-size: 16px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
}

.timeline-item:nth-child(odd) .timeline-year {
    right: calc(50% - 35px);
}

.timeline-item:nth-child(even) .timeline-year {
    left: calc(50% - 35px);
}

.team-section {
    margin-top: 70px;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.team-member {
    background-color: var(--light-bg);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.team-member:hover {
    transform: translateY(-5px);
}

.member-info {
    padding: 20px;
    text-align: center;
}

.member-info h3 {
    font-size: 20px;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.member-info p {
    font-size: 14px;
    color: #666;
    margin-bottom: 15px;
}

.member-image {
    height: 150px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.stats-section {
    background-color: var(--primary-color);
    padding: 60px 0;
    margin-top: 70px;
    color: white;
}

.stats-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    padding: 0 20px;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 48px;
    font-weight: bold;
    margin-bottom: 10px;
}

.stat-label {
    font-size: 18px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.cta-section {
    text-align: center;
    margin: 70px 0 40px;
}

.cta-button {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    padding: 15px 40px;
    font-size: 18px;
    text-decoration: none;
    border-radius: 5px;
    transition: background-color 0.3s ease;
    font-weight: 600;
    margin-top: 20px;
}

.cta-button:hover {
    background-color: #002142;
}

@media (max-width: 768px) {
    .timeline::before {
        left: 30px;
    }

    .timeline-item:nth-child(odd), .timeline-item:nth-child(even) {
        padding-left: 80px;
        padding-right: 0;
    }

    .timeline-item:nth-child(odd) .timeline-year, .timeline-item:nth-child(even) .timeline-year {
        left: 0;
        right: auto;
    }
}