/* ============================================
   Equipment Section — 작업물

   의존: GSAP + ScrollTrigger, assets/js/equipment.js
   필수 마크업:
     .equipment-wrap > .equipment-section > .equipment-section__viewport
       ├ .equipment-section__label
       ├ .equipment-section__guides (+ brackets)
       ├ .equipment-section__track > .equipment-card (+ media/info)
       └ .equipment-section__ruler
   카드(.equipment-card)만 PHP/프론트 반복문으로 채우면 됨.
   ============================================ */

.equipment-wrap {
    position: relative;
    width: 100%;
}

.equipment-section {
    position: relative;
    width: 100%;
    height: calc(100vh - var(--header-height, 140px));
    background: #161616;
    overflow: hidden;
}

@media (min-width: 992px) {
    .equipment-section {
        height: calc(100dvh - var(--header-height, 140px));
    }
}

.equipment-section__viewport {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

/* ── 라벨 ── */
.equipment-section__label {
    position: absolute;
    left: clamp(24px, 2.5vw, 40px);
    top: 50%;
    transform: translateY(-120px);
    z-index: 20;
    display: flex;
    align-items: center;
    gap: 12px;
    pointer-events: none;
}

.equipment-section__label-dot {
    flex: 0 0 8px;
    width: 8px;
    height: 8px;
    border-radius: 4px;
    background: #df0000;
    opacity: 0.47;
}

.equipment-section__label-text {
    margin: 0;
    font-size: 18px;
    font-weight: 700;
    line-height: 32px;
    color: #fff;
    white-space: nowrap;
}

/* ── 조준점 (카드 중심을 따라 이동, 이미지·텍스트 뒤) ── */
.equipment-section__guides {
    position: absolute;
    top: 50%;
    left: var(--eq-guide-x, 50%);
    width: var(--eq-guide-w, 240px);
    height: var(--eq-guide-h, 320px);
    transform: translate(-50%, calc(-50% + var(--eq-guide-y, 0px)));
    z-index: 2;
    pointer-events: none;
}

.equipment-section__guides.is-intro .equipment-card__brackets {
    inset: clamp(12px, 2vw, 24px);
}

.equipment-section__guides.is-intro .equipment-card__bracket {
    width: clamp(24px, 4vw, 40px);
    height: clamp(24px, 4vw, 40px);
}

.equipment-section__guide-v {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 1px;
    height: 200vh;
    background: #2b2b2b;
    transform: translate(-50%, -50%);
}

.equipment-section__guide-h {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 200vw;
    height: 1px;
    background: #2b2b2b;
    transform: translate(-50%, -50%);
}

.equipment-section__focus-mark {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    transform: translate(-50%, -50%);
    z-index: 2;
}

.equipment-section__focus-mark::before,
.equipment-section__focus-mark::after {
    content: '';
    position: absolute;
    background: #fff;
}

.equipment-section__focus-mark::before {
    left: 50%;
    top: 0;
    width: 2px;
    height: 100%;
    transform: translateX(-50%);
}

.equipment-section__focus-mark::after {
    top: 50%;
    left: 0;
    width: 100%;
    height: 2px;
    transform: translateY(-50%);
}

/* 조준 브라켓 — guides 컨테이너 기준 */
.equipment-section__guides .equipment-card__brackets {
    position: absolute;
    inset: -16px -20px;
    z-index: 3;
    opacity: 1;
    pointer-events: none;
}

.equipment-section__guides .equipment-card__bracket {
    position: absolute;
    width: 30px;
    height: 30px;
    border-color: #fff;
    border-style: solid;
    border-width: 0;
}

.equipment-section__guides .equipment-card__bracket--tl {
    top: 0;
    left: 0;
    border-top-width: 1px;
    border-left-width: 1px;
}

.equipment-section__guides .equipment-card__bracket--tr {
    top: 0;
    right: 0;
    border-top-width: 1px;
    border-right-width: 1px;
}

.equipment-section__guides .equipment-card__bracket--bl {
    bottom: 0;
    left: 0;
    border-bottom-width: 1px;
    border-left-width: 1px;
}

.equipment-section__guides .equipment-card__bracket--br {
    bottom: 0;
    right: 0;
    border-bottom-width: 1px;
    border-right-width: 1px;
}

/* ── 트랙 ── */
.equipment-section__track {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    z-index: 5;
    will-change: transform;
}

/* ── 카드 ── */
.equipment-card {
    position: absolute;
    top: 50%;
    width: var(--eq-card-w, 240px);
    transform: translate(var(--eq-x, 0), calc(-50% + var(--eq-y, 0px)));
    opacity: 0.3;
    transition: opacity 0.45s ease, filter 0.45s ease;
    z-index: 1;
}

.equipment-card.is-active {
    opacity: 1;
    z-index: 10;
    filter: none;
}

.equipment-card__inner {
    position: relative;
    z-index: 2;
}

/* 활성 글로우 */
.equipment-card__glow {
    position: absolute;
    inset: -40%;
    opacity: 0;
    transition: opacity 0.45s ease;
    pointer-events: none;
    background: radial-gradient(ellipse at center, rgba(255, 255, 255, 0.18) 0%, transparent 70%);
}

.equipment-card.is-active .equipment-card__glow {
    opacity: 1;
}

.equipment-card__media {
    position: relative;
    z-index: 2;
    width: var(--eq-card-w, 240px);
    height: var(--eq-card-h, 320px);
    box-shadow: none;
    transition: box-shadow 0.45s ease, width 0.35s ease, height 0.35s ease;
}

.equipment-card.is-active .equipment-card__media {
    box-shadow: 0 0 16px rgba(255, 255, 255, 0.15);
}

.equipment-card__img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
}

.equipment-card__img--placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #2a2a2a 0%, #1a1a1a 100%);
}

/* 정보 패널 — active 시에만 표시 */
.equipment-card__info {
    position: absolute;
    left: calc(100% + 20px);
    top: 50%;
    z-index: 3;
    transform: translateY(-50%);
    min-width: 300px;
    max-width: 355px;
    padding: 20px;
    background: #2e2e2e;
    border: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s ease, visibility 0.4s ease, transform 0.4s ease;
    pointer-events: none;
}

.equipment-card.is-active .equipment-card__info {
    opacity: 1;
    visibility: visible;
    transform: translateY(-50%) translateX(0);
    pointer-events: auto;
}

.equipment-card__name {
    margin: 0 0 20px;
    font-size: 24px;
    font-weight: 600;
    line-height: 36px;
    color: #fff;
}

.equipment-card__desc {
    margin: 0;
    font-size: 16px;
    font-weight: 700;
    line-height: 28px;
    color: #f3f4f6;
    white-space: pre-line;
}

.equipment-card__link {
    display: block;
    margin-top: 20px;
    text-align: right;
    font-size: 14px;
    font-weight: 600;
    line-height: 24px;
    color: #fff;
    text-decoration: none;
    transition: color 0.2s ease;
}

.equipment-card__link:hover {
    color: #df0000;
}

/* ── 하단 눈금자 ── */
.equipment-section__ruler {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 20px;
    z-index: 15;
    pointer-events: none;
    background-image: repeating-linear-gradient(
        90deg,
        rgba(255, 255, 255, 0.25) 0,
        rgba(255, 255, 255, 0.25) 1px,
        transparent 1px,
        transparent 12px
    );
    opacity: 0.35;
}

/* ── 모바일 (슬라이드형: 이미지 상단 · 텍스트 하단 · 중앙 정렬) ── */
@media (max-width: 991.98px) {
    .equipment-section {
        height: calc(100lvh - var(--header-height, 140px));
        min-height: 520px;
    }

    .equipment-section__label {
        top: 24px;
        bottom: auto;
        left: clamp(20px, 5vw, 24px);
        transform: none;
        z-index: 20;
    }

    .equipment-section--mobile .equipment-card {
        width: var(--eq-slide-w, 88vw);
        opacity: 0.25;
    }

    .equipment-section--mobile .equipment-card.is-active {
        opacity: 1;
    }

    .equipment-section--mobile .equipment-card__inner {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 20px;
        width: 100%;
    }

    .equipment-section--mobile .equipment-card__media {
        flex: 0 0 auto;
        margin: 0 auto;
    }

    .equipment-section--mobile .equipment-card__info {
        position: relative;
        left: auto;
        top: auto;
        transform: none;
        width: 100%;
        min-width: 0;
        max-width: none;
        padding: 16px;
        text-align: center;
    }

    .equipment-section--mobile .equipment-card.is-active .equipment-card__info {
        transform: none;
    }

    .equipment-section--mobile .equipment-card__name {
        font-size: 20px;
        line-height: 30px;
        margin-bottom: 12px;
    }

    .equipment-section--mobile .equipment-card__desc {
        font-size: 14px;
        line-height: 24px;
        font-weight: 400;
    }

    .equipment-section--mobile .equipment-card__link {
        margin-top: 16px;
        text-align: right;
    }

    .equipment-section__guides .equipment-card__brackets {
        inset: -10px -12px;
    }

    .equipment-section__guides .equipment-card__bracket {
        width: 20px;
        height: 20px;
    }
}