/* 공부희망연구소 메인배너 108단계 — 모바일 사진 프레임 꽉채움 / 강사 중심 개별 확대 */
/* 공부희망연구소 메인배너 107단계
   원천 재구성:
   - 단계별 모바일 덧칠 규칙 제거
   - 모바일 사진 로직을 단일 CSS + 단일 JS로 통합
   - 데스크톱은 기존 안정 구조 보호
   - 러너/운무/일출 원천 애니메이션은 styles.css를 그대로 사용
*/

/* ===== DESKTOP PROTECTED HERO ===== */
@media (min-width:681px){
  .home-mobile-header{display:none !important;}
  .main-banner-stage{
    position:relative !important;
    overflow:hidden !important;
    min-height:680px !important;
    height:680px !important;
    background:#000 !important;
  }
  .banner-library-panel{
    position:absolute !important;
    z-index:0 !important;
    left:0 !important;
    top:0 !important;
    width:45% !important;
    height:100% !important;
    pointer-events:none !important;
    background-image:
      url("assets/banner_library_leftcrop_20260910.jpg") !important;
    background-size:cover !important;
    background-position:center 48% !important;
    background-repeat:no-repeat !important;
  }

  .home-banner-header{
    position:absolute !important;
    z-index:20 !important;
    left:0 !important; right:0 !important; top:0 !important;
    height:104px !important;
    display:block !important;
    background:transparent !important;
  }
  .home-banner-header::after{
    content:"";
    position:absolute;
    inset:0;
    z-index:-1;
    pointer-events:none;
    background:linear-gradient(180deg,rgba(1,10,27,.34) 0%,rgba(1,10,27,.13) 60%,rgba(1,10,27,0) 100%);
  }
  .home-banner-nav-wrap{
    width:100% !important;
    height:104px !important;
    margin:0 !important;
    padding:0 52px !important;
    box-sizing:border-box !important;
    display:flex !important;
    align-items:center !important;
    gap:18px !important;
  }
  .home-banner-brand{display:flex !important;align-items:center !important;flex:0 0 auto !important;}
  .home-banner-logo{
    display:block !important;
    width:224px !important;
    height:auto !important;
    max-height:54px !important;
    object-fit:contain !important;
    filter:drop-shadow(0 2px 10px rgba(0,0,0,.18)) !important;
  }
  .home-banner-nav{
    margin-left:calc(56vw - 294px) !important;
    display:flex !important;
    align-items:center !important;
    justify-content:flex-end !important;
    gap:24px !important;
    font-size:14px !important;
    font-weight:750 !important;
    color:#fff !important;
  }
  .home-banner-nav>a,.home-banner-nav>.nav-item>a{
    position:relative !important;
    height:104px !important;
    display:flex !important;
    align-items:center !important;
    padding:0 !important;
    color:rgba(255,255,255,.96) !important;
    white-space:nowrap !important;
    text-shadow:0 1px 8px rgba(0,0,0,.22) !important;
  }
  .home-banner-nav .submenu{top:calc(100% - 18px) !important;}
  .home-banner-nav .submenu a{color:#294b63 !important;text-shadow:none !important;}
  .home-banner-management{
    flex:0 0 auto !important;
    display:inline-flex !important;
    align-items:center !important;
    gap:6px !important;
    margin-left:8px !important;
    padding:12px 16px !important;
    border-radius:999px !important;
    background:#050505 !important;
    color:#45e38a !important;
    border:1px solid rgba(255,79,216,.34) !important;
    font-size:12.5px !important;
    font-weight:850 !important;
    white-space:nowrap !important;
    box-shadow:0 8px 22px rgba(0,0,0,.25),0 0 7px rgba(255,79,216,.10) !important;
  }

  .banner-content-grid{
    position:absolute !important;
    z-index:7 !important;
    left:56% !important;
    top:154px !important;
    width:min(520px,calc(44% - 44px)) !important;
    transform:none !important;
    display:block !important;
  }
  .banner-copy77{
    position:relative !important;
    left:auto !important;
    top:auto !important;
    width:100% !important;
    margin:0 !important;
    padding:0 !important;
    background:none !important;
    border:none !important;
    box-shadow:none !important;
    backdrop-filter:none !important;
    z-index:8 !important;
    align-self:start !important;
  }
  .banner-copy77::before{display:none !important;}
  .banner-copy77 h1{
    margin:0 0 20px !important;
    font-size:clamp(42px,3vw,56px) !important;
    line-height:1.12 !important;
    font-weight:700 !important;
    white-space:nowrap !important;
    letter-spacing:-.038em !important;
    color:rgba(255,255,255,.96) !important;
  }
  .banner-copy77 p,.banner-copy77 p.banner-copy-body{
    margin:0 0 10px !important;
    max-width:500px !important;
    font-size:clamp(15px,.98vw,16.6px) !important;
    line-height:1.78 !important;
    color:#d6e2df !important;
  }
  .banner-copy77 p.banner-copy-emphasis{
    margin:12px 0 0 !important;
    max-width:500px !important;
    font-size:clamp(16px,1.02vw,17.6px) !important;
    line-height:1.58 !important;
    font-weight:700 !important;
    color:#f3f6f2 !important;
    letter-spacing:-.01em !important;
  }

  .banner-photo-panel{
    display:none !important;
    position:relative !important;
    z-index:5 !important;
    width:420px !important;
    height:249px !important;
    margin-top:18px !important;
    margin-right:0 !important;
    margin-bottom:0 !important;
    margin-left:0 !important;
    overflow:hidden !important;
    align-self:start !important;
    justify-self:start !important;
    transform:none !important;
    border-radius:0 !important;
    border:none !important;
    background:transparent !important;
    box-shadow:none !important;
    display:block !important;
  }
  .banner-photo-panel::before{display:none !important;}
  .banner-photo-slide{
    display:block !important;
    position:absolute !important;
    inset:0 !important;
    width:100% !important;
    height:100% !important;
    object-fit:cover !important;
    background:transparent !important;
    opacity:0 !important;
    z-index:1 !important;
    transition:opacity 1.65s ease !important;
    will-change:opacity !important;
    filter:brightness(1.12) contrast(1.03) saturate(1.02);
  }
  .banner-photo-slide.is-active{opacity:1 !important;z-index:2 !important;}
  .banner-photo-slide.is-fading-out{opacity:0 !important;z-index:3 !important;}
  .banner-photo-slide.slide-1{object-position:50% 44% !important;}
  .banner-photo-slide.slide-2{object-position:48% 48% !important;}
  .banner-photo-slide.slide-3{object-position:46% 49% !important;}
}

@media (max-width:1180px) and (min-width:681px){
  .home-banner-nav-wrap{width:min(889px,calc(100% - 48px)) !important;margin:0 auto !important;padding:0 !important;gap:14px !important;}
  .home-banner-logo{width:184px !important;max-height:44px !important;}
  .home-banner-nav{margin-left:auto !important;gap:16px !important;font-size:12.5px !important;}
  .home-banner-management{padding:11px 12px !important;font-size:11.5px !important;margin-left:4px !important;}
  .banner-content-grid{
    left:54% !important;
    width:calc(46% - 30px) !important;
    display:block !important;
  }
  .banner-copy77{width:100% !important;}
  .banner-copy77::before{display:none !important;}
  .banner-copy77 h1{font-size:clamp(35px,3.1vw,46px) !important;white-space:normal !important;line-height:1.12 !important;}
  .banner-copy77 p,.banner-copy77 p.banner-copy-body{max-width:100% !important;font-size:13.7px !important;line-height:1.72 !important;}
  .banner-copy77 p.banner-copy-emphasis{max-width:100% !important;font-size:14.8px !important;line-height:1.56 !important;margin-top:12px !important;}
  .banner-photo-panel{width:375px !important;height:230px !important;justify-self:start !important;margin-top:14px !important;margin-right:0 !important;margin-bottom:0 !important;margin-left:0 !important;}
}

/* ===== MOBILE: TWO-TIER AUTHORITATIVE LAYOUT ===== */
@media (max-width:680px){
  .home-banner-header{display:none !important;}
  .home-mobile-header{display:block !important;}

  /* 1단: 도서관 사진만 */
  .main-banner-stage{
    display:block !important;
    position:relative !important;
    min-height:540px !important;
    height:540px !important;
    overflow:hidden !important;
    isolation:isolate !important;
    background:#000 !important;
  }
  .banner-library-panel{
    display:block !important;
    position:absolute !important;
    z-index:0 !important;
    left:0 !important;
    top:0 !important;
    width:100% !important;
    height:210px !important;
    pointer-events:none !important;
    background-image:url("assets/banner_library_leftcrop_20260910.jpg") !important;
    background-size:cover !important;
    background-position:center 46% !important;
    background-repeat:no-repeat !important;
  }

  /* 2단: 검정 메시지 배너 */
  .banner-content-grid{
    display:block !important;
    position:absolute !important;
    z-index:7 !important;
    left:0 !important;
    right:0 !important;
    top:210px !important;
    width:100% !important;
    max-width:none !important;
    height:330px !important;
    margin:0 !important;
    transform:none !important;
    background:transparent !important;
  }
  .banner-copy77{
    display:block !important;
    position:absolute !important;
    z-index:8 !important;
    left:22px !important;
    right:22px !important;
    top:30px !important;
    width:auto !important;
    max-width:none !important;
    margin:0 !important;
    padding:0 !important;
    background:none !important;
    border:none !important;
    box-shadow:none !important;
    text-shadow:none !important;
  }
  .banner-copy77::before{display:none !important;}
  .banner-copy77 h1{
    margin:0 0 14px 0 !important;
    max-width:100% !important;
    font-size:30px !important;
    line-height:1.14 !important;
    font-weight:800 !important;
    letter-spacing:-.045em !important;
    white-space:normal !important;
    color:rgba(255,255,255,.98) !important;
    word-break:keep-all !important;
  }
  .banner-copy77 p,.banner-copy77 p.banner-copy-body{
    margin:0 0 7px 0 !important;
    max-width:100% !important;
    font-size:12.2px !important;
    line-height:1.52 !important;
    color:#91c0ab !important;
    word-break:keep-all !important;
  }
  .banner-copy77 p.banner-copy-emphasis{
    margin:8px 0 0 0 !important;
    max-width:100% !important;
    font-size:13px !important;
    line-height:1.38 !important;
    font-weight:800 !important;
    color:#e2efe7 !important;
  }

  /* 이전 모바일 사진 프레임 로직은 사용하지 않음 */
  .banner-photo-panel,.banner-photo-slide{display:none !important;}

  /* 운무/일출/러너는 2단 검정 배너의 하단에서만 보이도록 제한 */
  .banner-base-fog{z-index:2 !important;}
  .banner-sunrise-horizon75,.banner-sunrise-rise75{z-index:1 !important;}
  .banner-runner-fade-track{
    display:block !important;
    visibility:visible !important;
    z-index:5 !important;
    bottom:30px !important;
  }
}

@media (max-width:390px){
  .main-banner-stage{min-height:510px !important;height:510px !important;}
  .banner-library-panel{height:190px !important;background-position:center 46% !important;}
  .banner-content-grid{top:190px !important;height:320px !important;background:transparent !important;}
  .banner-copy77{left:18px !important;right:18px !important;top:28px !important;}
  .banner-copy77 h1{font-size:27px !important;}
  .banner-copy77 p,.banner-copy77 p.banner-copy-body{font-size:11.6px !important;line-height:1.48 !important;}
  .banner-copy77 p.banner-copy-emphasis{font-size:12.4px !important;}
}


/* 2026-09-09 메인배너 109단계 — 모바일 상단 로고 좌측 안정화 / 메뉴 간격 축소
   데스크톱 및 배너 사진/러너/운무/일출은 변경하지 않는다. */
@media (max-width:680px){
  .home-mobile-header .nav-wrap{
    width:100% !important;
    max-width:none !important;
    margin:0 !important;
    padding:8px 14px 0 !important;
    column-gap:6px !important;
  }

  .home-mobile-header .brand{
    margin-left:0 !important;
    transform:translateX(-10px);
  }

  .home-mobile-header .main-nav{
    width:100% !important;
    margin:0 !important;
    padding:0 2px !important;
    gap:12px !important;
    scroll-padding-left:0 !important;
    overscroll-behavior-x:contain;
  }

  .home-mobile-header .main-nav > a,
  .home-mobile-header .main-nav > .nav-item,
  .home-mobile-header .nav-item{
    flex:0 0 auto !important;
    min-width:0 !important;
  }

  .home-mobile-header .main-nav > a,
  .home-mobile-header .nav-item > a{
    font-size:12.5px !important;
    padding:0 !important;
    letter-spacing:-.025em !important;
  }

  .home-mobile-header .nav-item.has-submenu > a::before{
    margin-left:3px !important;
  }
}

@media (max-width:390px){
  .home-mobile-header .nav-wrap{padding-left:12px !important;padding-right:12px !important;}
  .home-mobile-header .brand{transform:translateX(-9px);}
  .home-mobile-header .main-nav{gap:10px !important;padding:0 !important;}
  .home-mobile-header .main-nav > a,
  .home-mobile-header .nav-item > a{font-size:12px !important;}
}