@charset "utf-8";

/* =========================================
   Frame Page — 공통 헤더/푸터 override
   (스타일·동작: component.css / common.js 기준)
   서브페이지: index 스크롤 적용 상태와 동일한 고정 헤더
   (헤더 높이 = 1rem + 3.25rem + 1rem = 5.25rem)
========================================= */

.frame-page .frame-main {
    padding-top: 5.25rem;
}

/* 히어로 없음 — 흰 배경 고정 (body:not(.page-home) .header 보강) */
.frame-page .header,
.frame-page .header.is-scrolled,
.frame-page .header.is-mega-open,
.frame-page .header.is-mobile-nav-open {
    background-color: #FFFFFF;
    color: #4C4948;
}

/* nomalize.css h1 기본값 충돌 방지 */
.frame-page .header .logo {
    font-size: 1.25rem;
    font-weight: 400;
    margin: 0;
}

/* 모바일 드로어 — index .page-home 전용 스타일을 frame 서브페이지에 적용 */
@media (max-width: 768px) {
    .frame-page .header-mobile-cta {
        flex-shrink: 0;
        padding: 1.25rem 1rem 2rem;
        border-top: 1px solid rgba(76, 73, 72, 0.12);
    }

    .frame-page .header-mobile-cta .gnb-btn {
        display: block;
        width: 100%;
        text-align: center;
        text-decoration: none;
        box-sizing: border-box;
        color: #fff;
    }
}



/* =========================================
   LNB 탭 버튼 — component.css lnb-tab-btn 오버라이드
   (FRAME 전용 크기·색상·인터랙션 차이만 유지)
========================================= */

.frame-tab-btn {
    padding: 10px 36px;
    height: 52px;
    color: #4C4948;
    border: 1px solid rgba(76, 73, 72, 0.18);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
    transition:
        background-color 0.25s ease,
        color            0.25s ease,
        border-color     0.25s ease,
        box-shadow       0.25s ease;
}

.frame-tab-btn:hover:not(.active) {
    border-color: #D4734A;
    color: #D4734A;
    box-shadow: 0 0 0 1px #D4734A, 0 2px 8px rgba(212, 115, 74, 0.15);
}

.frame-tab-btn.active {
    border-color: #D4734A;
    border-radius: 50px;
    box-shadow: 0 2px 10px rgba(212, 115, 74, 0.32);
}

.frame-tab-btn.active:hover {
    box-shadow: 0 2px 10px rgba(212, 115, 74, 0.32);
}

.frame-tab-btn:focus,
.frame-tab-btn:focus-visible {
    outline: none;
}

.frame-tab-btn:focus-visible:not(.active) {
    box-shadow: 0 0 0 2px #D4734A;
}


/* =========================================
   탭 패널 (show / hide)
========================================= */

.frame-tab-panels {
    width: 100%;
}

.frame-tab-panel {
    display: none;
}

.frame-tab-panel.is-active {
    display: block;
}


/* =========================================
   포스터 그리드 — 3열 custom grid
   (grid-wrap은 12단 시스템이므로 별도 정의)
========================================= */

.frame-poster-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    column-gap: 24px;
    row-gap: 0;
    width: 100%;
}


/* =========================================
   포스터 카드 — 이미지 래퍼 (462:530 비율)
========================================= */

.frame-poster-img-wrap {
    position: relative;
    overflow: hidden;
    aspect-ratio: 462 / 530;
}

.frame-poster-img-wrap img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
    will-change: transform;
}


/* ─── 오버레이 — clip-path wipe 애니메이션 ─── */

.frame-poster-overlay {
    position: absolute;
    inset: 0;
    background-color: rgba(30, 32, 34, 0.9);
    clip-path: inset(0 0 100% 0);
    transition: clip-path 0.45s cubic-bezier(0.4, 0, 0.2, 1);
}


/* ─── 오버레이 텍스트 fade-up ─── */

.frame-poster-info {
    color: #FFFFFF;
    gap: 10px;
    padding: 0 20px;
    opacity: 0;
    transform: translateY(16px);
    transition:
        opacity   0.35s ease 0.25s,
        transform 0.35s ease 0.25s;
}

.frame-poster-info-name {
    color: #FFFFFF;
    letter-spacing: 0.04em;
}

.frame-poster-info-date {
    color: rgba(255, 255, 255, 0.85);
    letter-spacing: 0.06em;
}

.frame-poster-info-desc {
    color: rgba(255, 255, 255, 0.75);
    letter-spacing: 0.12em;
    text-transform: uppercase;
}


/* ─── hover 인터랙션 ─── */

.frame-poster-card:hover .frame-poster-img-wrap img {
    transform: scale(1.05);
}

.frame-poster-card:hover .frame-poster-overlay {
    clip-path: inset(0 0 0% 0);
}

.frame-poster-card:hover .frame-poster-info {
    opacity: 1;
    transform: translateY(0);
}


/* ─── 포스터 캡션 (letter-spacing만 frame 전용) ─── */

.frame-poster-name {
    letter-spacing: 0.02em;
}


/* =========================================
   Fade-Up 등장 애니메이션 (스크롤 진입)
========================================= */

.frame-fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition:
        opacity   0.75s ease-out,
        transform 0.75s ease-out;
    will-change: opacity, transform;
}

.frame-fade-up.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.frame-tab-panel:not(.is-active).frame-fade-up {
    opacity: 0;
    transform: translateY(30px);
}

/* =========================================
   반응형 — 1024px 이하 (Tablet)
========================================= */

@media screen and (max-width: 1024px) {
    .frame-poster-grid {
        column-gap: 20px;
    }

    .frame-tab-btn {
        padding: 8px 28px;
        height: 46px;
    }
}


/* =========================================
   반응형 — 768px 이하 (Mobile)
   포스터: 3열 유지 (208×239 기준 비율)
========================================= */

@media screen and (max-width: 768px) {
    .frame-poster-grid {
        column-gap: 12px;
    }

    .frame-tab-btn {
        padding: 8px 20px;
        height: 42px;
    }

    .frame-poster-card:hover .frame-poster-img-wrap img {
        transform: none;
    }

    .frame-poster-card:hover .frame-poster-overlay {
        clip-path: inset(0 0 100% 0);
    }

    .frame-poster-card:hover .frame-poster-info {
        opacity: 0;
        transform: translateY(16px);
    }
}


/* =========================================
   반응형 — 402px 이하 (Small Mobile)
   포스터: 2열 (181×208 기준 비율)
   탭 버튼: 세로 스택
========================================= */

@media screen and (max-width: 402px) {
    .frame-poster-grid {
        grid-template-columns: repeat(2, 1fr);
        column-gap: 10px;
    }

    .lnb-tab-bar {
        flex-direction: column;
        align-items: stretch;
    }

    .frame-tab-btn {
        width: 100%;
        padding: 10px 20px;
        height: auto;
    }
}


/* =========================================
   모바일 hover 비활성화 (터치 디바이스)
========================================= */

@media (hover: none) {
    .frame-poster-card:hover .frame-poster-img-wrap img {
        transform: none;
    }

    .frame-poster-card:hover .frame-poster-overlay {
        clip-path: inset(0 0 100% 0);
    }

    .frame-poster-card:hover .frame-poster-info {
        opacity: 0;
        transform: translateY(16px);
    }
}


/* =========================================
   접근성 — 모션 감소 설정
========================================= */

@media (prefers-reduced-motion: reduce) {
    .frame-fade-up {
        opacity: 1;
        transform: none;
        transition: none;
        will-change: auto;
    }

    .frame-poster-img-wrap img,
    .frame-poster-overlay,
    .frame-poster-info {
        transition: none;
    }
}