/* ============================================================
   GERMAN-SPOB – AUFKLAPPBARE WARENGRUPPEN UND ARTIKEL
   ============================================================ */

.product-groups-page {
    min-height: 520px;
    padding: 38px 0 60px;
    background: linear-gradient(180deg, #f4f6f9 0, #fff 250px);
    color: var(--text-main);
}

.product-groups-page__inner { max-width: 1280px; }

.product-groups-breadcrumb {
    margin: 0 0 22px;
    color: var(--text-muted);
    font-size: 14px;
}

.product-groups-breadcrumb ol {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 7px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.product-groups-breadcrumb li {
    display: inline-flex;
    align-items: center;
    gap: 7px;
}

.product-groups-breadcrumb li:not(:last-child)::after {
    content: "›";
    color: var(--spob-gold-dark);
    font-weight: 700;
}

.product-groups-breadcrumb a {
    color: var(--spob-blue);
    text-decoration: none;
}

.product-groups-breadcrumb a:hover,
.product-groups-breadcrumb a:focus-visible { text-decoration: underline; }

.product-groups-breadcrumb [aria-current="page"] { color: var(--text-muted); }

.product-groups-page__header { max-width: 900px; margin-bottom: 30px; }
.product-groups-page__eyebrow {
    margin: 0 0 6px;
    color: var(--spob-gold-dark);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.product-groups-page__header h1 {
    margin: 0;
    color: var(--spob-blue);
    font-size: clamp(27px, 4vw, 42px);
    line-height: 1.15;
}

.product-groups-grid {
    position: sticky;
    top: 0;
    z-index: 30;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    margin: -8px -10px 0;
    padding: 8px 10px 12px;
    background: rgba(247, 249, 251, .97);
    box-shadow: 0 8px 16px rgba(8, 45, 93, .06);
    backdrop-filter: blur(8px);
}

.product-group-card {
    position: relative;
    display: grid;
    width: 100%;
    grid-template-columns: 34px minmax(0, 1fr) auto;
    align-items: center;
    gap: 12px;
    min-height: 74px;
    padding: 11px 16px;
    overflow: hidden;
    color: inherit;
    font: inherit;
    text-align: left;
    cursor: pointer;
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-medium);
    box-shadow: 0 7px 24px rgba(8, 45, 93, .07);
    transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.product-group-card::before {
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    width: 64px;
    height: 4px;
    background: var(--spob-gold);
}

.product-group-card:hover,
.product-group-card.is-open {
    transform: translateY(-3px);
    border-color: var(--spob-gold);
    box-shadow: 0 12px 30px rgba(8, 45, 93, .12);
}

.product-group-card__number {
    display: inline-flex;
    width: 34px;
    height: 34px;
    align-items: center;
    justify-content: center;
    color: #fff;
    background: var(--spob-blue);
    border-radius: 50%;
    font-size: 11px;
    font-weight: 700;
}

.product-group-card__content { display: flex; min-width: 0; flex-direction: column; gap: 3px; }
.product-group-card__content strong { color: var(--spob-blue); font-size: 15px; line-height: 1.2; }
.product-group-card__content span { color: var(--text-muted); font-size: 11px; }
.product-group-card__arrow { color: var(--spob-blue); font-size: 20px; font-weight: 700; transition: transform 160ms ease; }
.product-group-card.is-open .product-group-card__arrow { transform: rotate(180deg); }

.product-group-panels { margin-top: 20px; }
.product-group-panel[hidden] { display: none; }
.product-group-panel {
    padding: 24px;
    background: #f7f9fb;
    border: 1px solid var(--border-color);
    border-top: 4px solid var(--spob-gold);
    border-radius: var(--radius-medium);
    box-shadow: 0 10px 30px rgba(8, 45, 93, .08);
}

.product-group-panel__heading {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 20px;
}

.product-group-panel__heading h2 { margin: 0; color: var(--spob-blue); font-size: 25px; }
.product-group-panel__heading span { color: var(--text-muted); font-size: 14px; }

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

.group-article-card {
    display: flex;
    min-width: 0;
    flex-direction: column;
    overflow: hidden;
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

.group-article-card__head {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    gap: 10px;
    padding: 18px 20px 15px;
    border-bottom: 1px solid var(--border-color);
}

.group-article-card h3 {
    margin: 0;
    font-size: 17px;
    line-height: 1.4;
}

.group-article-card h3 a { color: var(--spob-blue); }

.group-article-card__image {
    display: flex;
    width: 100%;
    height: 270px;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: #fff;
    border-bottom: 1px solid var(--border-color);
}

.group-article-card__image img { display: block; width: 100%; height: 100%; object-fit: contain; }
.group-article-card__image > span {
    display: inline-flex;
    width: 55px;
    height: 55px;
    align-items: center;
    justify-content: center;
    color: #fff;
    background: var(--spob-blue);
    border-radius: 50%;
    font-weight: 800;
}

.group-article-card__body {
    display: flex;
    min-width: 0;
    flex: 1;
    flex-direction: column;
    padding: 18px 20px 20px;
}
.group-article-card__condition {
    align-self: flex-start;
    margin: 0;
    padding: 5px 9px;
    color: #fff;
    background: var(--spob-gold-dark);
    border-radius: 999px;
    font-size: 10px;
    font-weight: 800;
    letter-spacing: .06em;
    line-height: 1;
    text-transform: uppercase;
}

.group-article-card--reparatur .group-article-card__condition,
.group-article-card--instandsetzung .group-article-card__condition {
    background: var(--spob-gold-dark);
}
.group-article-card--regeneriert .group-article-card__condition { background: var(--spob-blue); }
.group-article-card--generalüberholt .group-article-card__condition,
.group-article-card--generalueberholt .group-article-card__condition {
    color: #e2be68;
    background: #17202b;
    border: 1px solid #b8923b;
    box-shadow: 0 2px 7px rgba(23, 32, 43, .22);
}
.group-article-card--gebraucht .group-article-card__condition { background: #68717c; }

.group-article-card__rating {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    color: var(--spob-blue);
    font-size: 13px;
}

.group-article-card__rating > span {
    color: var(--spob-gold-dark);
    font-size: 17px;
    line-height: 1;
}

.group-article-card__rating strong { font-size: 14px; }
.group-article-card__rating small { color: var(--text-muted); font-size: 12px; }
.group-article-card__number {
    margin-top: 7px;
    color: var(--text-muted);
    font-size: 12px;
    line-height: 1.35;
    overflow-wrap: anywhere;
}
.group-article-card__number strong { color: var(--text-main); }
.group-article-card__manufacturer strong {
    color: var(--spob-blue);
    font-size: 13px;
}

.group-article-card__footer {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 14px;
    margin-top: auto;
    padding-top: 18px;
}

.group-article-card__footer > div { display: flex; min-width: 0; flex-direction: column; gap: 3px; }
.group-article-card__price { color: var(--spob-blue); font-size: 21px; }
.group-article-card__request { color: var(--spob-gold-dark); font-size: 17px; }
.group-article-card__footer small { color: var(--text-muted); font-size: 10px; line-height: 1.25; }
.group-article-card__footer > a { color: var(--spob-blue); font-size: 13px; font-weight: 800; text-align: right; }

.product-groups-page__message {
    padding: 28px;
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-medium);
    box-shadow: var(--shadow-soft);
    color: var(--text-muted);
}
.product-groups-page__message--error { border-left: 4px solid var(--spob-red); }

@media (max-width: 900px) {
    .product-groups-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .group-article-grid { grid-template-columns: 1fr; }
}

@media (max-width: 650px) {
    .product-groups-page { padding: 26px 0 42px; }
    .product-groups-grid,
    .group-article-grid { grid-template-columns: 1fr; }
    .product-group-card { min-height: 68px; padding: 10px 14px; }
    .product-groups-grid {
        position: static;
        margin: 0;
        padding: 0;
        background: transparent;
        box-shadow: none;
        backdrop-filter: none;
    }
    .product-group-panel { padding: 16px; }
    .product-group-panel__heading { align-items: flex-start; flex-direction: column; gap: 4px; }
    .group-article-card__head {
        min-height: 0;
        padding: 15px 16px 13px;
    }
    .group-article-card__image {
        height: 235px;
        padding: 15px;
    }
    .group-article-card__body { padding: 15px 16px 17px; }
}

@media (max-width: 420px) {
    .group-article-card h3 { font-size: 15px; }
    .group-article-card__image { height: 210px; padding: 12px; }
    .group-article-card__footer { align-items: flex-start; flex-direction: column; }
    .group-article-card__footer > a { text-align: left; }
}