:root {
    --subglobal-color-dossiersacheves: #00379e;
    --subglobal-color-artdesign: #be0030;
    --subglobal-color-etudes: #00999e;
    --subglobal-color-dossiersacheves-light: color-mix(in srgb, var(--subglobal-color-dossiersacheves) 20%, rgba(255, 255, 255, 0));
    --subglobal-color-artdesign-light: color-mix(in srgb, var(--subglobal-color-artdesign) 20%, rgba(255, 255, 255, 0));
    --subglobal-color-etudes-light: color-mix(in srgb, var(--subglobal-color-etudes) 20%, rgba(255, 255, 255, 0));
}

.main-content {
    min-height: 100vh;
}

.ar-page {
    max-width: 1200px;
    margin: 0 auto;
    padding: 48px 24px 72px;
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.ar-section {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.ar-section h2 {
    margin: 0;
    color: var(--txt-color-blackop-50);
    font-weight: 400;
    font-size: var(--txt-size-10);
}

.ar-grid {
    display: grid;
    gap: 16px;
}

.ar-grid-cards {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.ar-direct-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.ar-hub-box,
.ar-subhub-box {
    background: var(--global-white-2);
    border: 1px solid var(--global-transparent-white-1);
    border-radius: 16px;
    padding: 20px;
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.12);
}

.ar-hub-box .ar-direct-grid,
.ar-subhub-box .ar-direct-grid {
    gap: 18px;
}

.ar-subhub-box {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.ar-variant-dossiers {
    --ar-accent: var(--subglobal-color-dossiersacheves);
}

.ar-variant-artdesign {
    --ar-accent: var(--subglobal-color-artdesign);
}

.ar-variant-etudes {
    --ar-accent: var(--subglobal-color-etudes);
}

.ar-icon-card {
    width: 140px;
    min-height: 120px;
    border-radius: 14px;
    border: 2px solid rgb(255, 255, 255);
    background: var(--global-white-1);
    font-weight: 500;
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    padding: 16px 12px 14px;
    gap: 12px;
    transition: filter 0.2s ease, background-color 0.2s ease;
}

.ar-icon-card:hover,
.ar-icon-card:focus-visible {
    border-color: rgb(255, 255, 255);
    background-color: var(--global-transparent-white-1);
    box-shadow: 0 0 12px rgba(255, 255, 255, 0.9);
    filter: saturate(5) contrast(2);
    transition: filter 0.4s ease, background-color 0.4s ease;
}

.ar-icon {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.815);
    border: 1px solid rgb(255, 255, 255);
    display: flex;
    align-items: center;
    justify-content: center;
}

.ar-icon img {
    width: 70%;
    height: 70%;
    object-fit: contain;
}

.ar-icon-card.ar-variant-dossiers .ar-icon,
.ar-icon-card.ar-variant-artdesign .ar-icon,
.ar-icon-card.ar-variant-etudes .ar-icon {
    border-color: var(--ar-accent);
    background: color-mix(in srgb, var(--ar-accent) 22%, transparent);
}

.ar-icon-label {
    text-align: center;
    font-size: var(--txt-size-09);
}

.ar-description-box {
    border-radius: 12px;
    border: 1px dashed var(--global-transparent-white);
    background: rgba(255, 255, 255, 0.2);
    padding: 16px;
    min-height: 120px;
    display: flex;
    align-items: center;
}

.glow-button:hover {
    background-image: linear-gradient(
        315deg,
        var(--ar-accent) -5%,
        rgb(253, 255, 126) 50%,
        #fff8d4 110%
    );
    border: 2px solid var(--ar-accent);
    filter: contrast(2);
    transition: filter 0.5s ease;
}

@media (max-width: 720px) {
    .ar-page {
        padding: 32px 18px 60px;
    }

    .ar-icon-card {
        width: 120px;
    }
}