.about-hero {
    margin-top: 80px;
    padding: 120px 20px 80px;
    background: linear-gradient(135deg, #f9f9f9 0%, #f0f0f0 100%);
    text-align: center;
    position: relative;
    overflow: hidden;
}

html.dark-mode .about-hero {
    background: linear-gradient(135deg, #1a1a1a 0%, #0f0f0f 100%);
}

.about-hero::before {
    content: "";
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(207, 171, 92, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.about-hero__content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
}

.about-hero__title {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 15px;
    letter-spacing: -1px;
}

html.dark-mode .about-hero__title {
    color: #f5f5f5;
}

.about-hero__subtitle {
    font-size: 1.3rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

.about-section {
    padding: 80px 20px;
    background: var(--white);
}

html.dark-mode .about-section {
    background: #0a0a0a;
}

.about-section.pillars {
    background: linear-gradient(135deg, #f9f9f9 0%, #f0f0f0 100%);
}

html.dark-mode .about-section.pillars {
    background: linear-gradient(135deg, #1a1a1a 0%, #0f0f0f 100%);
}

.about-section.founders {
    background: linear-gradient(135deg, #f9f9f9 0%, #f0f0f0 100%);
}

html.dark-mode .about-section.founders {
    background: linear-gradient(135deg, #1a1a1a 0%, #0f0f0f 100%);
}

.history-grid,
.pillars-grid,
.founders-grid {
    display: grid;
    gap: 30px;
    margin-top: 60px;
}

.history-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.pillars-grid {
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}

.founders-grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.history-item,
.pillar-card,
.founder-card,
.feature-box {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 12px;
    transition: var(--transition);
}

html.dark-mode .history-item,
html.dark-mode .pillar-card,
html.dark-mode .founder-card,
html.dark-mode .feature-box {
    background: #1e1e1e;
    border-color: #333333;
}

.history-item {
    padding: 30px;
}

.pillar-card,
.founder-card {
    padding: 40px 30px;
}

.pillar-card:hover,
.founder-card:hover,
.history-item:hover,
.feature-box:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-6px);
    border-color: var(--primary);
}

.pillar-card.full-width {
    grid-column: 1 / -1;
}

.history-year,
.pillar-icon,
.feature-box__icon,
.founder-role {
    color: var(--primary);
}

.history-year {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 15px;
}

.history-content h3,
.pillar-card h3,
.feature-box h4,
.founder-card h3,
.value-item strong {
    color: var(--text-dark);
}

html.dark-mode .history-content h3,
html.dark-mode .pillar-card h3,
html.dark-mode .feature-box h4,
html.dark-mode .founder-card h3,
html.dark-mode .value-item strong {
    color: #f5f5f5;
}

.history-content p,
.pillar-card p,
.feature-box p,
.founder-bio,
.value-item p,
.proposition-list li p {
    color: var(--text-light);
}

.pillar-quote {
    font-size: 1rem;
    font-weight: 600;
    color: var(--primary);
    font-style: italic;
    padding-top: 15px;
    border-top: 1px solid var(--border);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin-top: 30px;
    text-align: left;
}

.value-item {
    display: flex;
    gap: 15px;
    padding: 20px;
    background: rgba(207, 171, 92, 0.05);
    border-radius: 10px;
    border: 1px solid rgba(207, 171, 92, 0.1);
}

html.dark-mode .value-item {
    background: rgba(207, 171, 92, 0.08);
    border-color: rgba(207, 171, 92, 0.15);
}

.proposition-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-top: 60px;
    align-items: start;
}

.proposition-text p:first-child {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 30px;
}

html.dark-mode .proposition-text p:first-child {
    color: #f5f5f5;
}

.proposition-list {
    list-style: none;
    display: grid;
    gap: 25px;
    margin-bottom: 40px;
}

.proposition-list li {
    display: flex;
    gap: 20px;
    padding: 20px;
    background: var(--bg-light);
    border-radius: 10px;
    border-left: 4px solid var(--primary);
}

html.dark-mode .proposition-list li {
    background: #1e1e1e;
}

.list-icon {
    font-size: 2rem;
    min-width: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
}

.proposition-highlight {
    font-size: 1rem;
    padding: 25px;
    background: rgba(207, 171, 92, 0.1);
    border-left: 4px solid var(--primary);
    border-radius: 8px;
    color: var(--text-dark);
    line-height: 1.8;
}

html.dark-mode .proposition-highlight {
    background: rgba(207, 171, 92, 0.08);
    color: #f5f5f5;
}

.proposition-visual {
    display: grid;
    gap: 20px;
}

.feature-box {
    padding: 30px;
    text-align: center;
}

.founder-avatar {
    width: 100px;
    height: 100px;
    margin: 0 auto 25px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-dark);
}

.about-cta {
    padding: 100px 20px;
    background:
        radial-gradient(circle at top right, rgba(207, 171, 92, 0.25), transparent 35%),
        linear-gradient(135deg, #1a2d40 0%, #0f1a27 100%);
    color: #ffffff;
    text-align: center;
    position: relative;
    overflow: hidden;
}

html.dark-mode .about-cta {
    background:
        radial-gradient(circle at top right, rgba(207, 171, 92, 0.18), transparent 35%),
        linear-gradient(135deg, #111111 0%, #0a0a0a 100%);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.about-cta .container {
    position: relative;
    z-index: 1;
}

.about-cta h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 15px;
    letter-spacing: -0.5px;
    color: #ffffff;
}

.about-cta p {
    font-size: 1.15rem;
    margin-bottom: 36px;
    color: rgba(255, 255, 255, 0.88);
}

.about-cta .btn--primary {
    background: var(--primary);
    color: #1a1a1a;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.about-cta .btn--primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

@media (max-width: 1024px) {
    .proposition-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .about-hero {
        margin-top: 150px;
        padding: 72px 16px 56px;
    }

    .about-section {
        padding: 64px 16px;
    }

    .about-hero__title {
        font-size: 2.2rem;
        line-height: 1.12;
    }

    .about-hero__subtitle {
        font-size: 1rem;
    }

    .history-grid,
    .pillars-grid,
    .values-grid,
    .founders-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .history-item,
    .pillar-card,
    .founder-card,
    .feature-box {
        padding: 24px 20px;
    }

    .value-item {
        padding: 18px;
    }

    .proposition-list li {
        padding: 18px;
        gap: 14px;
    }

    .about-cta {
        padding: 72px 16px;
    }

    .about-cta h2 {
        font-size: 1.9rem;
        line-height: 1.15;
    }

    .about-cta p {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .about-hero {
        margin-top: 196px;
        padding-top: 52px;
    }

    .about-hero__title {
        font-size: 1.85rem;
    }

    .history-year {
        font-size: 1.7rem;
    }
}
