.about-hero {
    padding: 150px 40px 100px;
    background: linear-gradient(135deg, var(--color-darker-bg) 0%, var(--color-dark-bg) 100%);
    text-align: center;
}

.about-hero-title {
    font-size: 64px;
    font-weight: bold;
    margin-bottom: 30px;
    letter-spacing: 3px;
    animation: fadeInUp 1s ease-out;
}

.about-hero-subtitle {
    font-size: 24px;
    color: var(--color-text-secondary);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.8;
    animation: fadeInUp 1s ease-out 0.3s forwards;
    opacity: 0;
}

.mission-section {
    padding: 100px 40px;
    background-color: var(--color-dark-bg);
}

.mission-container {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.mission-content h2 {
    font-size: 48px;
    margin-bottom: 30px;
    font-weight: bold;
}

.mission-content p {
    font-size: 20px;
    line-height: 1.8;
    color: var(--color-text-secondary);
    margin-bottom: 20px;
}

.mission-image {
    width: 100%;
    height: 500px;
    object-fit: cover;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.values-section {
    padding: 100px 40px;
    background-color: var(--color-darker-bg);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    max-width: 1400px;
    margin: 60px auto 0;
}

.value-card {
    padding: 50px 40px;
    background-color: var(--color-card-bg);
    border-left: 4px solid var(--color-accent);
    transition: all var(--transition-speed);
}

.value-card:hover {
    transform: translateX(10px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
}

.value-icon {
    font-size: 56px;
    margin-bottom: 25px;
}

.value-title {
    font-size: 28px;
    margin-bottom: 20px;
    font-weight: bold;
}

.value-description {
    font-size: 18px;
    line-height: 1.7;
    color: var(--color-text-secondary);
}

.team-section {
    padding: 100px 40px;
    background-color: var(--color-dark-bg);
}

.team-descr {
    font-size: 22px;
    color: var(--color-text-secondary);
    text-align: center;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    max-width: 1400px;
    margin: 60px auto 0;
}

.team-member {
    text-align: center;
    transition: transform var(--transition-speed);
}

.team-member:hover {
    transform: translateY(-15px);
}

.team-photo {
    width: 100%;
    height: 350px;
    object-fit: cover;
    margin-bottom: 25px;
    filter: grayscale(100%);
    transition: filter var(--transition-speed);
}

.team-member:hover .team-photo {
    filter: grayscale(0%);
}

.team-name {
    font-size: 24px;
    font-weight: bold;
    margin-bottom: 10px;
}

.team-role {
    font-size: 18px;
    color: var(--color-text-secondary);
    margin-bottom: 15px;
}

.team-bio {
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text-secondary);
}

.timeline-section {
    padding: 100px 40px;
    background-color: var(--color-darker-bg);
}

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

.timeline::before {
    content: "";
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background-color: var(--color-border);
    transform: translateX(-50%);
}

.timeline-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-bottom: 80px;
    position: relative;
}

.timeline-item:nth-child(even) .timeline-content {
    grid-column: 2;
}

.timeline-item:nth-child(even) .timeline-year {
    grid-column: 1;
    text-align: right;
}

.timeline-year {
    font-size: 72px;
    font-weight: bold;
    color: var(--color-accent);
    opacity: 0.3;
    align-self: center;
}

.timeline-content {
    padding: 40px;
    background-color: var(--color-card-bg);
    border: 2px solid var(--color-border);
    transition: all var(--transition-speed);
}

.timeline-content:hover {
    border-color: var(--color-accent);
    transform: scale(1.05);
}

.timeline-title {
    font-size: 28px;
    margin-bottom: 15px;
    font-weight: bold;
}

.timeline-description {
    font-size: 18px;
    line-height: 1.7;
    color: var(--color-text-secondary);
}

.partners-section {
    padding: 100px 40px;
    background-color: var(--color-dark-bg);
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 40px;
    max-width: 1400px;
    margin: 60px auto 0;
    align-items: center;
}

.partner-logo {
    padding: 30px;
    background-color: var(--color-card-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    height: 150px;
    transition: all var(--transition-speed);
    filter: grayscale(100%) opacity(0.5);
}

.partner-logo:hover {
    filter: grayscale(0%) opacity(1);
    transform: scale(1.1);
}

.partner-logo img {
    max-width: 100%;
    max-height: 80px;
}

.cta-section {
    padding: 120px 40px;
    background: linear-gradient(135deg, var(--color-darker-bg) 0%, #1a1a2e 100%);
    text-align: center;
}

.cta-content {
    max-width: 800px;
    margin: 0 auto;
}

.cta-title {
    font-size: 56px;
    font-weight: bold;
    margin-bottom: 30px;
    line-height: 1.2;
}

.cta-description {
    font-size: 24px;
    color: var(--color-text-secondary);
    margin-bottom: 50px;
    line-height: 1.6;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
}

@media (max-width: 900px) {
    .about-hero-title {
        font-size: 42px;
    }

    .mission-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .values-grid {
        grid-template-columns: 1fr;
    }

    .team-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .timeline::before {
        left: 0;
    }

    .timeline-item {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .timeline-item:nth-child(even) .timeline-content,
    .timeline-item:nth-child(even) .timeline-year {
        grid-column: 1;
        text-align: left;
    }

    .partners-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .cta-buttons {
        flex-direction: column;
    }
}

@media (max-width: 520px) {
    .about-hero-title {
        font-size: 32px;
    }

    .team-grid {
        grid-template-columns: 1fr;
    }

    .partners-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    h2 {
        font-size: 2rem !important;
    }

    .mission-image {
        height: 200px;
    }

    .team-photo {
        height: 200px;
    }

    .timeline-content {
        padding: 20px;
    }

    .partner-logo {
        padding: 0;
        height: auto;
    }
}