.about-hero {
    background: #ffffff;
    border-bottom: 1px solid var(--border);
    padding: 64px 0;
}

.about-hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 360px;
    gap: 42px;
    align-items: start;
}

.about-hero h1 {
    max-width: 820px;
    font-size: 38px;
    line-height: 1.16;
    margin: 0 0 18px;
}

.about-hero p {
    max-width: 760px;
    color: var(--muted);
    font-size: 18px;
    margin: 0;
}

.about-identity {
    border: 1px solid var(--border);
    background: #f8fafc;
    padding: 24px;
}

.about-identity h2 {
    margin: 0 0 14px;
    font-size: 22px;
}

.about-identity ul,
.sidebar-card ul {
    margin: 0;
    padding-left: 18px;
    color: var(--muted);
}

.about-identity li,
.sidebar-card li {
    margin-bottom: 8px;
}

.about-section {
    background: var(--bg);
}

.about-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 28px;
    align-items: start;
}

.about-main {
    display: flex;
    flex-direction: column;
    gap: 22px;
}

.about-block,
.sidebar-card {
    background: #ffffff;
    border: 1px solid var(--border);
    padding: 28px;
}

.about-block h2,
.sidebar-card h2 {
    margin: 0 0 14px;
    font-size: 26px;
    line-height: 1.2;
}

.sidebar-card h2 {
    font-size: 21px;
}

.about-block p,
.sidebar-card p {
    color: var(--muted);
    margin: 0 0 12px;
}

.about-block p:last-child,
.sidebar-card p:last-child {
    margin-bottom: 0;
}

.about-values-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.about-values-grid article,
.reason-grid article {
    border: 1px solid var(--border);
    background: #fbfcfd;
    padding: 20px;
}

.about-values-grid h3 {
    margin: 0 0 8px;
    font-size: 20px;
}

.about-values-grid p {
    margin: 0;
}

.about-list {
    margin: 0;
    padding-left: 20px;
    color: var(--muted);
}

.about-list li {
    margin-bottom: 8px;
}

.qualiopi-block {
    border-left: 4px solid var(--brand);
}

.reason-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.reason-grid strong {
    display: block;
    color: var(--text);
    margin-bottom: 8px;
    font-size: 17px;
}

.reason-grid span {
    display: block;
    color: var(--muted);
    font-size: 14px;
}

.about-sidebar {
    position: sticky;
    top: 90px;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.sidebar-card .btn {
    margin-top: 14px;
    width: 100%;
    text-align: center;
}

@media (max-width: 1000px) {
    .about-hero-grid,
    .about-layout {
        grid-template-columns: 1fr;
    }

    .about-sidebar {
        position: static;
    }

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

@media (max-width: 700px) {
    .about-hero {
        padding: 48px 0;
    }

    .about-hero h1 {
        font-size: 31px;
    }

    .about-hero p {
        font-size: 16px;
    }

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

    .about-block,
    .sidebar-card {
        padding: 24px;
    }

    .about-block h2 {
        font-size: 23px;
    }
}