/* ============================================================
   PRODUCT-L2PRO.CSS — L2 Pro 상세 페이지
   ============================================================ */

/* ---------- HERO 박스 (메인 슬라이드 + 요약) ---------- */
.pd-hero{
    background: var(--c-darkgray);
    border-bottom: 1px solid var(--c-line);
    padding: 100px 32px 100px;
}
.pd-hero-inner{
    max-width: var(--max-w);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 56px;
    align-items: center;
}

/* 갤러리 */
.pd-gallery{ width: 100%; }
.pd-main-img{
    width: 100%;
    height: clamp(320px, 42vw, 640px);
    background: var(--c-black-2);
    border: 1px solid var(--c-line);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    margin-bottom: 16px;
}
.pd-main-img img{
    max-width: 96%;
    max-height: 96%;
    object-fit: contain;
    transition: opacity .35s ease;
}
.pd-thumbs{
    display: grid;
    grid-template-columns: repeat(8, 1fr);   /* 데스크톱: 한 줄에 8장 */
    gap: 10px;
}
.pd-thumbs .thumb{
    aspect-ratio: 1 / 1;
    background: var(--c-black-2);
    border: 1px solid var(--c-line);
    padding: 4px;
    transition: border-color .2s ease;
    overflow: hidden;
}
.pd-thumbs .thumb img{
    width: 100%; height: 100%;
    object-fit: contain;
    opacity: 0.75;
    transition: opacity .2s ease;
}
.pd-thumbs .thumb:hover img,
.pd-thumbs .thumb.active img{ opacity: 1; }
.pd-thumbs .thumb.active{
    border-color: var(--c-navy-hl);
}

/* 요약 영역 */
.pd-summary .brand-tag{
    font-family: var(--font-display);
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 0.5px;
    color: #5AA1FF;
    margin-bottom: 14px;
}
.pd-name{
    font-family: var(--font-display);
    font-weight: 700;
    font-size: clamp(56px, 8vw, 96px);
    letter-spacing: 0.5px;
    color: var(--c-white);
    line-height: 1;
    margin-bottom: 12px;
}
.pd-sub{
    font-size: 16px;
    color: var(--c-white);
    letter-spacing: 0.3px;
    margin-bottom: 22px;
    font-weight: 500;
}
.pd-desc{
    font-size: 15px;
    color: var(--c-white-2);
    line-height: 1.85;
    margin-bottom: 32px;
}

.pd-spec{
    border-top: 1px solid var(--c-line);
    margin-bottom: 36px;
}
.pd-spec li{
    display: grid;
    grid-template-columns: 120px 1fr;
    padding: 14px 0;
    border-bottom: 1px solid var(--c-line);
    font-size: 14px;
}
.pd-spec li .k{
    font-family: var(--font-display);
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 0.3px;
    color: #5AA1FF;
    align-self: center;
}
.pd-spec li .v{
    color: var(--c-white);
    font-size: 15px;
    font-weight: 500;
}

/* 가격 행 — 클릭 시 빠른 문의 패널 열림 */
.pd-spec li.price .v.price-inquiry{
    display: inline-block;
    justify-self: start;
    color: #5AA1FF;
    text-decoration: none;
    font-size: 15px;
    font-weight: 700;
    padding: 4px 14px;
    border: 1px solid #5AA1FF;
    border-radius: 999px;
    transition: color .2s ease, border-color .2s ease, background .2s ease, transform .2s ease;
    cursor: pointer;
}
.pd-spec li.price .v.price-inquiry:hover{
    color: var(--c-white);
    border-color: #7DB8FF;
    background: #5AA1FF;
    transform: translateX(2px);
}

.pd-cta{ display: flex; gap: 12px; flex-wrap: wrap; }

/* ---------- 다운로드 칩 (브로셔 / 매뉴얼) ---------- */
.pd-downloads{
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 18px;
}
.dl-chip{
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    background: rgba(15,17,21,0.5);
    border: 1px solid var(--c-line);
    color: var(--c-white);
    transition: border-color .2s ease, background .2s ease, transform .2s ease;
    text-decoration: none;
    min-width: 0;
}
.dl-chip:hover{
    border-color: var(--c-navy-hl);
    background: rgba(46,98,179,0.10);
    transform: translateY(-1px);
}
.dl-chip svg{ flex-shrink: 0; color: var(--c-navy-hl); }
.dl-chip:hover svg{ color: #5AA1FF; }
.dl-text{
    display: flex;
    flex-direction: column;
    line-height: 1.25;
    min-width: 0;
}
.dl-label{
    font-family: var(--font-display);
    font-size: 13px;
    letter-spacing: 0.3px;
    font-weight: 600;
    color: var(--c-white);
}
.dl-meta{
    font-size: 11px;
    color: var(--c-white-2);
    letter-spacing: 0.3px;
    margin-top: 2px;
}

/* ---------- ACCESSORIES 슬라이더 ---------- */
.acc-slider{
    position: relative;
    margin-top: 16px;
}
.acc-track{
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: calc((100% - 24px * 3) / 4);
    gap: 24px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scroll-behavior: smooth;
    scrollbar-width: thin;
    scrollbar-color: var(--c-navy-hl) transparent;
    padding: 4px 4px 14px;
    -webkit-overflow-scrolling: touch;
}
.acc-track::-webkit-scrollbar{ height: 6px; }
.acc-track::-webkit-scrollbar-track{ background: rgba(242,242,238,0.04); }
.acc-track::-webkit-scrollbar-thumb{ background: var(--c-navy-hl); border-radius: 3px; }
.acc-slider .acc-card{ scroll-snap-align: start; min-width: 0; }
.acc-nav{
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    background: rgba(15,17,21,0.85);
    border: 1px solid var(--c-line);
    color: var(--c-white);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 5;
    transition: all .25s ease;
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}
.acc-nav:hover{
    background: var(--c-navy-hl);
    border-color: var(--c-navy-hl);
    color: var(--c-white);
}
.acc-nav.prev{ left: -8px; }
.acc-nav.next{ right: -8px; }
.acc-nav[disabled]{ opacity: 0; pointer-events: none; }

@media (max-width: 1100px){
    .acc-track{ grid-auto-columns: calc((100% - 24px * 2) / 3); }
}
@media (max-width: 720px){
    .acc-track{ grid-auto-columns: calc((100% - 24px) / 2); gap: 18px; }
    .acc-nav{ width: 36px; height: 36px; }
}
@media (max-width: 480px){
    .acc-track{ grid-auto-columns: 75%; }
    .acc-nav.prev{ left: 0; }
    .acc-nav.next{ right: 0; }
}

/* ---------- GRADES (16ch / 32ch) ---------- */
.pd-grades{
    background:
      radial-gradient(ellipse at 25% 0%, rgba(46,98,179,0.10), transparent 55%),
      var(--c-darkgray);
    border-top: 1px solid var(--c-line);
    border-bottom: 1px solid var(--c-line);
}
.grade-grid{
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 28px;
    margin-bottom: 28px;
}
.grade-grid-3{
    grid-template-columns: 1fr 1fr 1fr;
    gap: 22px;
}
.grade-card{
    background: var(--c-darkgray-2);
    border: 1px solid var(--c-line);
    padding: 32px 28px 28px;
    transition: border-color .3s ease, transform .3s ease, box-shadow .3s ease;
    position: relative;
}
.grade-card:hover{
    border-color: var(--c-navy-hl);
    transform: translateY(-4px);
    box-shadow: 0 20px 44px rgba(0,0,0,0.45), 0 0 24px rgba(46,98,179,0.18);
}
.grade-card.flagship{
    border-top: 2px solid var(--c-navy-hl);
    background:
      linear-gradient(180deg, rgba(46,98,179,0.10), transparent 38%),
      var(--c-darkgray-2);
}
.grade-tag{
    font-family: var(--font-display);
    font-size: 12px;
    letter-spacing: 0.5px;
    color: var(--c-white-2);
    margin-bottom: 14px;
}
.grade-card.flagship .grade-tag{ color: var(--c-navy-hl); }

.grade-name{
    font-family: var(--font-display);
    font-weight: 700;
    font-size: clamp(34px, 4vw, 48px);
    letter-spacing: 0.5px;
    color: var(--c-white);
    line-height: 1;
    margin-bottom: 8px;
}
.grade-name span{
    color: var(--c-navy-hl);
    font-size: 0.6em;
    letter-spacing: 0.3px;
    margin-left: 8px;
    font-weight: 600;
}
.grade-sub{
    font-size: 14px;
    color: var(--c-white-2);
    letter-spacing: 0.5px;
    margin-bottom: 24px;
    padding-bottom: 18px;
    border-bottom: 1px solid var(--c-line);
}

.grade-spec{
    list-style: none;
    padding: 0;
    margin: 0 0 22px;
}
.grade-spec li{
    display: grid;
    grid-template-columns: 110px 1fr;
    align-items: baseline;
    padding: 10px 0;
    border-bottom: 1px dashed rgba(242,242,238,0.06);
    font-size: 14px;
}
.grade-spec li:last-child{ border-bottom: none; }
.grade-spec .g-k{
    font-family: var(--font-display);
    font-size: 11.5px;
    letter-spacing: 0.3px;
    color: var(--c-white-2);
}
.grade-spec .g-v{
    color: var(--c-white);
    font-weight: 500;
}
.grade-spec .g-v strong{
    color: var(--c-navy-hl);
    font-family: var(--font-display);
    font-size: 1.05em;
    font-weight: 700;
    letter-spacing: 0.5px;
}
.grade-card.flagship .grade-spec .g-v strong{
    color: #5AA1FF;
    text-shadow: 0 0 12px rgba(90,161,255,0.35);
}

.grade-note{
    font-size: 13px;
    color: var(--c-white-2);
    line-height: 1.7;
    padding-top: 16px;
    border-top: 1px solid var(--c-line);
}

/* 공통 사양 안내 */
.grade-shared{
    margin-top: 8px;
    padding: 18px 24px;
    background: rgba(15,17,21,0.4);
    border: 1px solid var(--c-line);
    border-left: 2px solid var(--c-navy-hl);
    font-size: 13px;
    line-height: 1.85;
    color: var(--c-white-2);
}
.grade-shared .g-label{
    font-family: var(--font-display);
    font-size: 11px;
    letter-spacing: 0.5px;
    color: var(--c-navy-hl);
    margin-right: 10px;
    text-transform: uppercase;
}

/* ---------- 공식 영상 (PRODUCT VIDEO) ---------- */
.pd-video{
    background:
      radial-gradient(ellipse at 25% 0%, rgba(46,98,179,0.10), transparent 55%),
      var(--c-black);
    border-top: 1px solid var(--c-line);
    border-bottom: 1px solid var(--c-line);
    padding: 80px 32px;
}
.pd-video-inner{
    max-width: var(--max-w);
    margin: 0 auto;
    text-align: center;
}
.pd-video-eyebrow{
    font-family: var(--font-display);
    font-size: 13px;
    letter-spacing: 0.5px;
    color: var(--c-navy-hl);
    margin-bottom: 22px;
}
.pd-video-el{
    width: 100%;
    height: auto;
    max-height: 720px;
    aspect-ratio: 16 / 9;
    background: var(--c-darkgray);
    border: 1px solid var(--c-line);
    box-shadow: 0 30px 60px rgba(0,0,0,0.55), 0 0 0 1px rgba(46,98,179,0.18);
    object-fit: cover;
    display: block;
    margin: 0 auto;
}
.pd-video-cap{
    font-family: var(--font-display);
    font-size: 12px;
    letter-spacing: 0.5px;
    color: var(--c-white-2);
    margin-top: 18px;
    text-transform: uppercase;
}
@media (max-width: 720px){
    .pd-video{ padding: 56px 16px; }
    .pd-video-cap{ font-size: 11px; letter-spacing: 0.3px; }
}

/* ---------- ACCESSORIES ---------- */
.pd-accessories{
    background: var(--c-black-2);
    padding: 32px 32px;
}
.acc-grid{
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.acc-card{
    background: var(--c-darkgray);
    border: 1px solid var(--c-line);
    padding: 14px;
    text-align: center;
    transition: border-color .25s ease, transform .25s ease;
}
.acc-card:hover{
    border-color: var(--c-navy-hl);
    transform: translateY(-4px);
}
.acc-img{
    width: 100%;
    height: 120px;
    background: var(--c-black-2);
    margin-bottom: 12px;
    display: flex; align-items: center; justify-content: center;
    overflow: hidden;
}
.acc-img img{
    max-width: 95%;
    max-height: 95%;
    object-fit: contain;
}
.acc-card h4{
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 15px;
    letter-spacing: 0.3px;
    color: var(--c-white);
    margin-bottom: 5px;
}
.acc-card p{
    font-size: 12px;
    color: var(--c-white-2);
    line-height: 1.55;
}

/* ---------- DETAIL (쿠팡식 길게) ---------- */
.pd-detail{
    background: var(--c-black);
    padding: 80px 0;
}
.pd-detail-inner{
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 32px;
}
.pd-section{
    padding: 60px 0;
    border-bottom: 1px solid var(--c-line);
}
.pd-section:last-child{ border-bottom: none; }
.pd-section .pd-eyebrow{
    font-family: var(--font-display);
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 0.5px;
    color: #5AA1FF;
    margin-bottom: 12px;
}
.pd-section h3{
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 28px;
    letter-spacing: 0.3px;
    color: var(--c-white);
    margin-bottom: 18px;
}
.pd-section p{
    font-size: 15px;
    color: var(--c-white-2);
    line-height: 1.9;
    margin-bottom: 28px;
}
.pd-section img,
.pd-section video{
    width: 100%;
    height: auto;            /* 원본 비율 유지 — 강제 16:9 크롭 제거 */
    background: var(--c-darkgray);
    border: 1px solid var(--c-line);
    object-fit: contain;
    display: block;
}
.pd-section img + img{
    margin-top: 14px;
}

/* ---------- OTHER PRODUCTS ---------- */
.pd-others{
    background: var(--c-darkgray);
}
.others-grid{
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 28px;
}
.other-card{
    display: block;
    background: var(--c-black-2);
    border: 1px solid var(--c-line);
    padding: 32px;
    text-align: center;
    transition: border-color .25s ease, transform .25s ease;
}
.other-card:hover{
    border-color: var(--c-navy-hl);
    transform: translateY(-4px);
}
.other-img{
    width: 100%;
    height: 220px;
    background: var(--c-darkgray);
    margin-bottom: 18px;
    display: flex; align-items: center; justify-content: center;
    overflow: hidden;
}
.other-img img{
    max-width: 95%;
    max-height: 95%;
    object-fit: contain;
}
.other-card h4{
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 24px;
    letter-spacing: 0.5px;
    color: var(--c-white);
    margin-bottom: 6px;
}
.other-card p{
    font-size: 13px;
    color: var(--c-white-2);
    letter-spacing: 0.3px;
}

/* ---------- RESPONSIVE ---------- */
/* ---------- 32"+ 대형 ---------- */
@media (min-width: 1600px){
    .pd-hero{ padding: 130px 40px 110px; }
    .pd-hero-inner{ gap: 80px; }
    .pd-thumbs{ gap: 14px; }
    .pd-spec li{ grid-template-columns: 160px 1fr; padding: 16px 0; font-size: 15px; }
    .acc-grid{ gap: 32px; }
    .acc-img{ height: 200px; }
    .other-img{ height: 280px; }
    .pd-detail-inner{ max-width: var(--max-w); }
    .pd-section h3{ font-size: 32px; }
    .grade-grid{ gap: 36px; }
    .grade-card{ padding: 44px 44px 36px; }
    .grade-spec li{ grid-template-columns: 130px 1fr; font-size: 15px; padding: 12px 0; }
    .grade-note{ font-size: 14px; }
}

/* ---------- 태블릿 (≤960px) ---------- */
@media (max-width: 960px){
    .pd-hero{ padding: 80px 20px 60px; }
    .pd-hero-inner{ grid-template-columns: 1fr; gap: 32px; }
    .pd-main-img{ height: clamp(260px, 60vw, 420px); }
    .pd-thumbs{ grid-template-columns: repeat(4, 1fr); gap: 8px; }
    .pd-name{ letter-spacing: 0.5px; }
    .acc-grid{ grid-template-columns: repeat(2, 1fr); }
    .others-grid{ grid-template-columns: 1fr; }
    .other-img{ height: 180px; }
    .grade-grid{ grid-template-columns: 1fr; gap: 22px; }
    .grade-card{ padding: 28px 24px 24px; }
}

/* ---------- 작은 모바일 (≤520px) ---------- */
@media (max-width: 520px){
    .pd-thumbs{ grid-template-columns: repeat(4, 1fr); }
    .pd-spec li{ grid-template-columns: 90px 1fr; font-size: 13px; padding: 12px 0; }
    .acc-grid{ grid-template-columns: 1fr; }
    .acc-img{ height: 180px; }
    .pd-detail{ padding: 56px 0; }
    .pd-detail-inner{ padding: 0 16px; }
    .pd-section{ padding: 40px 0; }
    .pd-section h3{ font-size: 22px; letter-spacing: 0.3px; }
    .pd-section p{ font-size: 14px; }
    .pd-cta .btn{ width: 100%; text-align: center; }

    /* GRADES 모바일 */
    .grade-card{ padding: 24px 20px; }
    .grade-name{ letter-spacing: 0.4px; }
    .grade-spec li{ grid-template-columns: 90px 1fr; font-size: 13px; padding: 8px 0; }
    .grade-spec .g-k{ font-size: 10.5px; letter-spacing: 0.4px; }
    .grade-note{ font-size: 12.5px; }
    .grade-shared{ font-size: 12.5px; padding: 14px 16px; line-height: 1.75; }
}