/* ══════════════════════════════════════════════
   협력사 · 인증 (sec-partner)
   a 로고 그리드 5열 / b 무한 흐름 / c 카드형 / d 가로 리스트
   e 로고 그리드 4열 (로고 크게)
   ══════════════════════════════════════════════ */

.sec-partner__list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.sec-partner__inner {
    display: block;
    text-decoration: none;
    color: inherit;
}

.sec-partner__logo {
    display: flex;
    align-items: center;
    justify-content: center;
}

.sec-partner__logo img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    display: block;
}

.sec-partner__fallback {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-sub);
    text-align: center;
    padding: 0 12px;
    word-break: keep-all;
}

.sec-partner__name {
    display: block;
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
}

.sec-partner__desc {
    margin: 6px 0 0;
    font-size: 14px;
    line-height: 1.7;
    color: var(--text-sub);
    word-break: keep-all;
}

/* 흑백 처리 — a · b · e 에만 is-gray 가 붙는다 */
.sec-partner.is-gray .sec-partner__logo img {
    filter: grayscale(1);
    opacity: .55;
    transition: .25s;
}

.sec-partner.is-gray .sec-partner__item:hover .sec-partner__logo img {
    filter: none;
    opacity: 1;
}

/* ══════════════════════════════════════════════
   A · E — 로고 그리드 (공통 골격)
   ══════════════════════════════════════════════ */

.sec-partner--a .sec-partner__list,
.sec-partner--e .sec-partner__list {
    display: grid;
    gap: 1px;
    background: var(--line);
    border: 1px solid var(--line);
}

.sec-partner--a .sec-partner__item,
.sec-partner--e .sec-partner__item {
    background: #fff;
}

.sec-partner--a .sec-partner__logo,
.sec-partner--e .sec-partner__logo {
    width: 100%;
    height: 100%;
}

.sec-partner--a .sec-partner__text,
.sec-partner--e .sec-partner__text {
    display: none;
}

/* A — 5열 */
.sec-partner--a .sec-partner__list {
    grid-template-columns: repeat(5, 1fr);
}

.sec-partner--a .sec-partner__inner {
    height: 120px;
    padding: 20px;
}

/* E — 4열 · 로고 크게 */
.sec-partner--e .sec-partner__list {
    grid-template-columns: repeat(4, 1fr);
}

.sec-partner--e .sec-partner__inner {
    height: 160px;
    padding: 24px;
}

/* ══════════════════════════════════════════════
   B — 로고 무한 흐름
   ══════════════════════════════════════════════ */

.sec-partner--b .sec-partner__body {
    overflow: hidden;
    -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
            mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}

.sec-partner--b .sec-partner__list {
    display: flex;
    width: max-content;
    animation: partner-flow calc(var(--item-count, 6) * 3.2s) linear infinite;
}

.sec-partner--b .sec-partner__body:hover .sec-partner__list {
    animation-play-state: paused;
}

.sec-partner--b .sec-partner__item {
    flex: 0 0 auto;
}

.sec-partner--b .sec-partner__inner {
    width: 180px;
    height: 90px;
    padding: 0 24px;
}

.sec-partner--b .sec-partner__logo {
    width: 100%;
    height: 100%;
}

.sec-partner--b .sec-partner__text {
    display: none;
}

@keyframes partner-flow {
    from { transform: translateX(0); }
    to   { transform: translateX(-50%); }
}

@media (prefers-reduced-motion: reduce) {
    .sec-partner--b .sec-partner__list {
        animation: none;
    }
}

/* ══════════════════════════════════════════════
   C — 카드형 (로고 + 이름 + 설명)
   ══════════════════════════════════════════════ */

.sec-partner--c .sec-partner__list {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.sec-partner--c .sec-partner__item {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    overflow: hidden;
    transition: .2s;
}

.sec-partner--c .sec-partner__item:hover {
    border-color: var(--main);
}

.sec-partner--c .sec-partner__inner {
    padding: 28px 24px 26px;
    text-align: center;
}

.sec-partner--c .sec-partner__logo {
    height: 64px;
    margin-bottom: 18px;
    padding-bottom: 18px;
    border-bottom: 1px solid var(--line);
}

/* ══════════════════════════════════════════════
   D — 가로 리스트
   ══════════════════════════════════════════════ */

.sec-partner--d .sec-partner__list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0 40px;
}

.sec-partner--d .sec-partner__item {
    border-bottom: 1px solid var(--line);
}

.sec-partner--d .sec-partner__inner {
    display: grid;
    grid-template-columns: 120px 1fr;
    align-items: center;
    gap: 24px;
    padding: 24px 0;
}

.sec-partner--d .sec-partner__logo {
    height: 56px;
}

.sec-partner--d .sec-partner__text {
    text-align: left;
}

/* ══════════════════════════════════════════════
   반응형
   ══════════════════════════════════════════════ */

@media (max-width: 1024px) {

    .sec-partner--a .sec-partner__list,
    .sec-partner--e .sec-partner__list {
        grid-template-columns: repeat(3, 1fr);
    }

    .sec-partner--e .sec-partner__inner {
        height: 140px;
    }

    .sec-partner--c .sec-partner__list {
        grid-template-columns: repeat(2, 1fr);
    }

    .sec-partner--d .sec-partner__list {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {

    .sec-partner--a .sec-partner__list,
    .sec-partner--e .sec-partner__list {
        grid-template-columns: repeat(2, 1fr);
    }

    .sec-partner--a .sec-partner__inner {
        height: 96px;
        padding: 16px;
    }

    .sec-partner--e .sec-partner__inner {
        height: 112px;
        padding: 18px;
    }

    .sec-partner--b .sec-partner__inner {
        width: 140px;
        height: 72px;
        padding: 0 16px;
    }

    .sec-partner--c .sec-partner__list {
        grid-template-columns: 1fr;
    }

    .sec-partner--d .sec-partner__inner {
        grid-template-columns: 88px 1fr;
        gap: 16px;
        padding: 20px 0;
    }
}