/* ============================================================
   sp3-1 전용 스타일
   sp3-1.php 에서 분리 (2026-02-25)
============================================================ */

/* ── PC 전용 네비 콘트롤러 (pill 형 통합 UI) ── */

/* 전체 pill 컨테이너 */
.sp3-arrow-group {
    position: absolute;
    bottom: 3.5rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 0;
    z-index: 50;
    background: rgba(255, 255, 255, .55);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, .9);
    border-radius: 999px;
    box-shadow:
        0 8px 32px rgba(0, 0, 0, .10),
        inset 0 1px 0 rgba(255, 255, 255, .95);
    padding: .35rem;
    transition: box-shadow .3s;
}

.sp3-arrow-group:hover {
    box-shadow:
        0 14px 44px rgba(0, 0, 0, .14),
        inset 0 1px 0 rgba(255, 255, 255, .95);
}

/* 좌우 화살표 버튼 */
.sp3-arrow {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    border-radius: 50%;
    font-size: 1.6rem;
    line-height: 1;
    color: #333;
    cursor: pointer;
    transition: background .18s, transform .18s, color .18s;
    user-select: none;
    flex-shrink: 0;
}

.sp3-arrow:hover {
    background: rgba(0, 0, 0, .07);
    color: #000;
    transform: scale(1.12);
}

.sp3-arrow:active {
    background: rgba(0, 0, 0, .12);
    transform: scale(0.92);
}

.sp3-arrow:disabled {
    opacity: .2;
    cursor: default;
    pointer-events: none;
}

/* 카운터 영역 (01 / 05) */
.sp3-counter {
    display: flex;
    align-items: baseline;
    gap: .28rem;
    padding: 0 1rem;
    min-width: 5rem;
    justify-content: center;
    user-select: none;
    border-left: 1px solid rgba(0, 0, 0, .08);
    border-right: 1px solid rgba(0, 0, 0, .08);
}

.sp3-counter-current {
    font-size: 1.2rem;
    font-weight: 800;
    letter-spacing: -.02em;
    color: #111;
    font-variant-numeric: tabular-nums;
    line-height: 1;
}

.sp3-counter-sep {
    font-size: .72rem;
    font-weight: 400;
    color: #ccc;
}

.sp3-counter-total {
    font-size: .75rem;
    font-weight: 600;
    color: #aaa;
    font-variant-numeric: tabular-nums;
}

/* ── 모바일 반응형 최적화 ── */
@media (max-width: 767px) {

    /* ① 헤더 컴팩트화 */
    .sp3-header-inner {
        padding: .65rem 1rem;
    }

    .sp3-logo {
        font-size: .82rem;
    }

    .sp3-nav-top a {
        padding: .32rem .7rem;
        font-size: .65rem;
    }

    /* ② 서브 메뉴 컴팩트 */
    .sp3-nav-sub {
        padding: .4rem 1rem;
        gap: .35rem;
    }

    .sp3-nav-sub a {
        font-size: .6rem;
        padding: .25rem .8rem;
    }

    /* ③ 카드 씬: 헤더 높이(약 7rem) + 하단 pill(약 4rem) 여백 확보 */
    .sp3-scene {
        padding-top: 7rem;
        padding-bottom: 4.5rem;
    }

    /* ④ pill 컨트롤러: 화면 맨 하단에 고정 */
    .sp3-arrow-group {
        bottom: 1rem;
        padding: .2rem;
    }

    /* ⑤ 버튼 크기 축소 */
    .sp3-arrow {
        width: 36px;
        height: 36px;
        font-size: 1.3rem;
    }

    /* ⑥ 카운터 영역 크기 조정 */
    .sp3-counter {
        padding: 0 .7rem;
        min-width: 4rem;
    }

    .sp3-counter-current {
        font-size: 1rem;
    }

    .sp3-counter-sep,
    .sp3-counter-total {
        font-size: .65rem;
    }

    /* ⑦ 우측 하단 필터: 가로 배열 + 중앙 정렬 */
    .sp3-filter {
        bottom: 4.5rem;
        right: 50%;
        transform: translateX(50%);
        align-items: center;
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
        max-width: 90vw;
    }
}



/* ──────────────────────────────────────
   sp3: 기존 레이아웃 전체를 숨기고 풀스크린으로 전환
   header, topbanner, .nav(메뉴), footer, foot-fixed 등 모두 숨김
────────────────────────────────────── */
body:has(#sp3.contents) .header,
body:has(#sp3.contents) #topbanner,
body:has(#sp3.contents) .nav,
body:has(#sp3.contents) .gnb-wrap,
body:has(#sp3.contents) .footer,
body:has(#sp3.contents) .foot-fixed {
    display: none !important;
}

body:has(#sp3.contents) {
    overflow: hidden;
    background: #f8f9fa;
}

/* <main id="sp3"> 자체를 풀스크린으로 */
#sp3.contents {
    position: fixed;
    inset: 0;
    padding: 0 !important;
    margin: 0 !important;
    width: 100vw !important;
    height: 100vh !important;
    height: 100dvh !important;
    /* 모바일 브라우저 주소창 제외한 실제 높이 */
    background: #f8f9fa;
    overflow: hidden;
    z-index: 10;
}

/* ── 상단 헤더 ── */
.sp3-header {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 0;
    background: rgba(255, 255, 255, .45);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    backdrop-filter: blur(24px) saturate(180%);
    border-bottom: 1px solid rgba(255, 255, 255, .7);
    box-shadow: 0 2px 20px rgba(0, 0, 0, .06);
}

/* 로고 + 메인 메뉴 행 */
.sp3-header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: .85rem 1.5rem;
}

/* 로고 */
.sp3-logo {
    font-size: .95rem;
    font-weight: 900;
    letter-spacing: .08em;
    color: #111;
    text-decoration: none;
    text-transform: uppercase;
    position: relative;
}

.sp3-logo::after {
    content: '';
    display: inline-block;
    width: 5px;
    height: 5px;
    background: #2563eb;
    border-radius: 50%;
    margin-left: .2rem;
    vertical-align: super;
}

/* 메인 네비 링크 */
.sp3-nav-top {
    display: flex;
    align-items: center;
    gap: .2rem;
}

.sp3-nav-top a {
    padding: .42rem 1rem;
    border-radius: 8px;
    font-size: .72rem;
    font-weight: 600;
    letter-spacing: .06em;
    color: #555;
    text-decoration: none;
    transition: background .18s, color .18s;
    white-space: nowrap;
}

.sp3-nav-top a:hover {
    background: rgba(0, 0, 0, .05);
    color: #111;
}

.sp3-nav-top a.active {
    background: #111;
    color: #fff;
    font-weight: 700;
}

/* 서브 메뉴 행 (프로젝트 버튼) */
.sp3-nav-sub {
    display: flex;
    align-items: center;
    justify-content: center;
    /* PC: 2차 메뉴 중앙 정렬 */
    gap: .5rem;
    padding: .55rem 1.5rem;
    border-top: 1px solid rgba(0, 0, 0, .06);
}

.sp3-nav-sub a {
    padding: .3rem 1rem;
    border-radius: 999px;
    font-size: .68rem;
    font-weight: 700;
    letter-spacing: .08em;
    color: #777;
    text-decoration: none;
    border: 1px solid transparent;
    transition: all .18s;
    text-transform: uppercase;
}

.sp3-nav-sub a:hover {
    color: #111;
    border-color: rgba(0, 0, 0, .15);
    background: rgba(0, 0, 0, .03);
}

.sp3-nav-sub a.active {
    color: #2563eb;
    border-color: rgba(37, 99, 235, .35);
    background: rgba(37, 99, 235, .06);
    font-weight: 800;
}

/* 우측 하단 카테고리 필터 */
.sp3-filter {
    position: absolute;
    bottom: 1.5rem;
    right: 1.5rem;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: .4rem;
    z-index: 50;
}

.sp3-filter button {
    display: flex;
    align-items: center;
    gap: .4rem;
    padding: .35rem 1rem;
    border: 1px solid rgba(0, 0, 0, .15);
    border-radius: 999px;
    font-size: .72rem;
    font-weight: 600;
    color: #999;
    background: rgba(255, 255, 255, .35);
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
    cursor: pointer;
    transition: .2s;
}

.sp3-filter button:hover {
    background: #fff;
    color: #333;
}

.sp3-filter button.active {
    border-color: #222;
    color: #111;
    background: #fff;
    box-shadow: 0 2px 8px rgba(0, 0, 0, .12);
}

.sp3-filter button span.cnt {
    font-size: .65rem;
    color: #bbb;
}

.sp3-filter button.active span.cnt {
    color: #888;
}

/* 3D 갤러리 씬 */
.sp3-scene {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    -webkit-perspective: 1200px;
    perspective: 1200px;
    padding-top: 6rem;
    /* 헤더 높이 확보 */
}

.sp3-stage {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    -webkit-transform-style: preserve-3d;
    transform-style: preserve-3d;
}

/* 카드 공통 */
.sp3-card {
    position: absolute;
    width: 720px;
    max-width: 90vw;
    aspect-ratio: 16/9;
    border-radius: 14px;
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(0, 0, 0, .45);
    cursor: pointer;
    transition: transform .7s cubic-bezier(.25, 1, .5, 1),
        opacity .7s cubic-bezier(.25, 1, .5, 1),
        filter .4s ease;
    background: #1a1a2e;
    /* GPU 가속 */
    will-change: transform, opacity, filter;
}

.sp3-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 1s ease;
    /* 이미지 없을 때 폴백 */
    background: linear-gradient(135deg, #1a1a3e 0%, #2d2d6b 100%);
}

.sp3-card:hover img {
    transform: scale(1.05);
}

/* 카드 오버레이 */
.sp3-card-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, .65) 0%, transparent 60%);
    pointer-events: none;
}

.sp3-card-info {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 2rem;
    opacity: 0;
    transition: opacity .5s ease .3s;
}

.sp3-card.is-active .sp3-card-info {
    opacity: 1;
}

.sp3-card-info p {
    color: rgba(255, 255, 255, .7);
    font-size: .75rem;
    font-weight: 700;
    letter-spacing: .15em;
    text-transform: uppercase;
    margin: 0 0 .5rem;
}

.sp3-card-info h2 {
    color: #fff;
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: -.02em;
    margin: 0;
}

/* 배경 그라데이션 */
.sp3-bg-blob {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80vw;
    height: 80vh;
    background: radial-gradient(ellipse, rgba(200, 210, 230, .6) 0%, rgba(248, 249, 250, 0) 70%);
    border-radius: 50%;
    filter: blur(80px);
    z-index: 0;
    pointer-events: none;
}

/* 인덱스 표시 — 하단 pill 콘트롤러로 통합되어 삭제됨 */

/* 모달 */
.sp3-modal-backdrop {
    position: fixed;
    inset: 0;
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, .6);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    padding: 1rem;
    opacity: 0;
    pointer-events: none;
    transition: opacity .3s ease;
}

.sp3-modal-backdrop.open {
    opacity: 1;
    pointer-events: auto;
}

.sp3-modal {
    position: relative;
    width: 100%;
    max-width: 900px;
    max-height: 90vh;
    background: #fff;
    border-radius: 20px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: 0 30px 80px rgba(0, 0, 0, .4);
    transform: scale(.92) translateY(20px);
    transition: transform .35s cubic-bezier(.34, 1.56, .64, 1);
}

.sp3-modal-backdrop.open .sp3-modal {
    transform: scale(1) translateY(0);
}

@media (min-width: 768px) {
    .sp3-modal {
        flex-direction: row;
    }
}

.sp3-modal-img {
    width: 100%;
    height: 240px;
    object-fit: cover;
    display: block;
    background: #1a1a3e;
}

@media (min-width: 768px) {
    .sp3-modal-img {
        width: 58%;
        height: auto;
    }
}

.sp3-modal-body {
    flex: 1;
    padding: 2rem 2rem 2rem;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}

.sp3-modal-cat {
    font-size: .72rem;
    font-weight: 700;
    letter-spacing: .15em;
    text-transform: uppercase;
    color: #888;
    margin: 0 0 .5rem;
}

.sp3-modal-title {
    font-size: 1.8rem;
    font-weight: 800;
    color: #111;
    margin: 0 0 1rem;
}

.sp3-modal-divider {
    width: 40px;
    height: 3px;
    background: #111;
    border-radius: 2px;
    margin-bottom: 1rem;
}

.sp3-modal-text {
    color: #666;
    font-size: .88rem;
    line-height: 1.8;
    flex: 1;
}

.sp3-modal-tags {
    margin-top: .8rem;
    display: flex;
    flex-wrap: wrap;
    gap: .3rem;
}

.sp3-modal-tags span {
    font-size: .65rem;
    padding: .2rem .6rem;
    background: #f1f3f5;
    border-radius: 999px;
    color: #555;
}

.sp3-modal-footer {
    padding-top: 1.2rem;
    margin-top: 1rem;
    border-top: 1px solid #f0f0f0;
    display: flex;
    gap: .8rem;
}

.sp3-modal-footer a,
.sp3-modal-footer button {
    flex: 1;
    padding: .7rem;
    border-radius: 8px;
    font-size: .8rem;
    font-weight: 700;
    text-align: center;
    text-decoration: none;
    cursor: pointer;
    transition: .2s;
    border: none;
}

.sp3-btn-primary {
    background: #111;
    color: #fff;
}

.sp3-btn-primary:hover {
    background: #333;
}

.sp3-btn-secondary {
    background: transparent;
    border: 1px solid #ddd !important;
    color: #555;
}

.sp3-btn-secondary:hover {
    border-color: #111 !important;
    color: #111;
}

.sp3-modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, .1);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1rem;
    color: #333;
    z-index: 10;
    transition: background .2s;
}

.sp3-modal-close:hover {
    background: rgba(0, 0, 0, .2);
}


/* ============================================================
   햄버거 버튼 + 모바일 드로어
============================================================ */

/* 햄버거 버튼 — 모바일에서만 표시 */
.sp3-hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    padding: 8px;
    background: transparent;
    border: none;
    cursor: pointer;
    border-radius: 8px;
    transition: background .18s;
    -webkit-tap-highlight-color: transparent;
}

.sp3-hamburger:hover {
    background: rgba(0, 0, 0, .06);
}

.sp3-hamburger span {
    display: block;
    height: 2px;
    background: #222;
    border-radius: 2px;
    transition: transform .28s cubic-bezier(.4, 0, .2, 1), opacity .2s;
    transform-origin: center;
}

/* 열린 상태(X) */
.sp3-hamburger.is-open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.sp3-hamburger.is-open span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.sp3-hamburger.is-open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* 오버레이 (dim) */
.sp3-drawer-overlay {
    position: fixed;
    inset: 0;
    z-index: 150;
    background: rgba(0, 0, 0, .45);
    -webkit-backdrop-filter: blur(4px);
    backdrop-filter: blur(4px);
    opacity: 0;
    pointer-events: none;
    transition: opacity .3s;
}

.sp3-drawer-overlay.is-open {
    opacity: 1;
    pointer-events: auto;
}

/* 드로어 패널 (좌측에서 슬라이드인) */
.sp3-drawer {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: min(280px, 80vw);
    z-index: 200;
    background: rgba(255, 255, 255, .96);
    -webkit-backdrop-filter: blur(24px) saturate(160%);
    backdrop-filter: blur(24px) saturate(160%);
    box-shadow: 8px 0 40px rgba(0, 0, 0, .15);
    display: flex;
    flex-direction: column;
    padding: 0;
    transform: translateX(-100%);
    transition: transform .32s cubic-bezier(.4, 0, .2, 1);
    will-change: transform;
}

.sp3-drawer.is-open {
    transform: translateX(0);
}

/* 드로어 상단 (Ʀ로고 + 닫기 버튼) */
.sp3-drawer-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.2rem 1.5rem;
    border-bottom: 1px solid rgba(0, 0, 0, .07);
}

.sp3-drawer-logo {
    font-size: 1rem;
    font-weight: 900;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: #111;
}

.sp3-drawer-logo em {
    color: #2563eb;
    font-style: normal;
}

.sp3-drawer-close {
    width: 34px;
    height: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, .05);
    border: none;
    border-radius: 50%;
    font-size: .9rem;
    color: #333;
    cursor: pointer;
    transition: background .18s;
}

.sp3-drawer-close:hover {
    background: rgba(0, 0, 0, .1);
}

/* 메인 네비 */
.sp3-drawer-nav {
    display: flex;
    flex-direction: column;
    padding: 1rem 1rem .5rem;
    gap: .2rem;
}

.sp3-drawer-nav a {
    padding: .75rem 1rem;
    font-size: .88rem;
    font-weight: 600;
    color: #333;
    text-decoration: none;
    border-radius: 10px;
    transition: background .15s, color .15s;
    letter-spacing: .02em;
}

.sp3-drawer-nav a:hover {
    background: rgba(0, 0, 0, .05);
    color: #000;
}

.sp3-drawer-nav a.active {
    background: #111;
    color: #fff;
    font-weight: 700;
}

/* 구분선 */
.sp3-drawer-divider {
    height: 1px;
    background: rgba(0, 0, 0, .07);
    margin: .5rem 1.5rem;
}

/* 서브 메뉴 */
.sp3-drawer-sub {
    display: flex;
    flex-direction: column;
    padding: .5rem 1rem;
    gap: .15rem;
}

.sp3-drawer-sub-label {
    font-size: .6rem;
    font-weight: 800;
    letter-spacing: .18em;
    text-transform: uppercase;
    color: #aaa;
    padding: .3rem 1rem 0;
    margin: 0 0 .2rem;
}

.sp3-drawer-sub a {
    padding: .6rem 1rem;
    font-size: .8rem;
    font-weight: 600;
    color: #666;
    text-decoration: none;
    border-radius: 8px;
    letter-spacing: .04em;
    text-transform: uppercase;
    transition: background .15s, color .15s;
}

.sp3-drawer-sub a:hover {
    background: rgba(37, 99, 235, .06);
    color: #2563eb;
}

.sp3-drawer-sub a.active {
    color: #2563eb;
    background: rgba(37, 99, 235, .08);
    font-weight: 700;
}

/* 모바일: 햄버거 표시, 헤더 PC메뉴 숨김, 서브메뉴 숨김 */
@media (max-width: 767px) {
    .sp3-hamburger {
        display: flex;
    }

    .sp3-nav-top {
        display: none;
    }

    .sp3-nav-sub {
        display: none;
    }
}


/* ── sp3 페이지 전용: 공통 우측 float 버튼 숨김 ── */
/* 맨위로(↑) / 테마변경(🎨) / 맨아래로(↓) — sp3는 자체 풀스크린 UX 사용 */
.sm-area.pos-fixed-right-center {
    display: none !important;
}