/* ====================================
   HEADER
==================================== */
.common_box.header {
    position:fixed; top:0; left:0; z-index:1000;
    background:rgba(0,0,0,0.9);
    box-shadow:0 2px 16px rgba(0,0,0,0.3);
    transition:background .35s, box-shadow .35s;
}
.common_box.header.scrolled {
    background:rgba(0,0,0,0.9);
    box-shadow:0 2px 20px rgba(0,0,0,0.4);
}
.common_box.header > div > div {
    display:flex; align-items:center; height:7.2rem;
}

.header_logo { flex-shrink:0; margin-right:60px; }
.header_logo a {
    font-family:'Montserrat', sans-serif;
    font-size:2.1rem; font-weight:800;
    color:#fff; letter-spacing:-0.05rem;
    display:flex; align-items:center; gap:8px;
}
.logo_dot {
    width:8px; height:8px; border-radius:50%;
    background:#eb2629; flex-shrink:0;
}

.gnb { flex:1; }
.gnb > ul { display:flex; flex-wrap:nowrap; justify-content:center; }
.gnb > ul > li > a {
    display:block; padding:1rem 1.8rem;
    font-size:1.7rem; font-weight:500;
    color:rgba(255,255,255,0.8); letter-spacing:0;
    transition:color .2s;
}
.gnb > ul > li > a:hover,
.gnb > ul > li.active > a { color:#eb2629; }

.header_right { display:flex; align-items:center; gap:6px; flex-shrink:0; margin-left:16px; }
.header_right .lang {
    font-family:'Montserrat', sans-serif;
    font-size:12px; font-weight:600;
    color:rgba(255,255,255,0.45); letter-spacing:1px;
    padding:4px 8px; border:1px solid rgba(255,255,255,0.18);
    transition:all .2s;
}
.header_right .lang.active { color:#fff; border-color:rgba(255,255,255,0.5); }
.header_right .lang:hover { color:#fff; }
.header_right .btn_contact {
    padding:0.8rem 2rem; background:#eb2629; color:#fff; border-radius:5px;
    font-size:1.4rem; font-weight:600; letter-spacing:0;
    margin-left:8px; transition:background .2s;
}
.header_right .btn_contact:hover { background:#0096c7; }

.mobile_menu_btn {
    display:none; flex-direction:column;
    gap:5px; padding:5px; cursor:pointer;
}
.mobile_menu_btn span {
    display:block; width:22px; height:2px;
    background:#fff; border-radius:1px; transition:all .3s;
}
.mobile_menu_btn.active span:nth-child(1) { transform:rotate(45deg) translate(5px,5px); }
.mobile_menu_btn.active span:nth-child(2) { opacity:0; }
.mobile_menu_btn.active span:nth-child(3) { transform:rotate(-45deg) translate(5px,-5px); }

#mobileMenu {
    display:none; position:fixed;
    top:72px; left:0; width:100%;
    background:#0c1728; z-index:999;
    border-top:1px solid rgba(255,255,255,0.08);
}
#mobileMenu.open { display:block; }
#mobileMenu ul li a {
    display:block; padding:13px 24px;
    font-size:14px; color:rgba(255,255,255,0.8);
    border-bottom:1px solid rgba(255,255,255,0.05);
}
#mobileMenu ul li a:hover { color:#00b4d8; }

/* ====================================
   MAIN VISUAL SLIDER
==================================== */
.common_box.main_visual { margin-top:7.2rem; }
.common_box.main_visual > div { width:100%; max-width:100%; position:relative; }
.common_box.main_visual > div > div {
    position:relative; height:calc(90vh - 7.2rem);
    min-height:54rem; overflow:hidden;
}

.slide_wrapper { position:relative; width:100%; height:100%; }
.slide_item {
    position:absolute; inset:0;
    opacity:0; transition:opacity 1.2s ease;
}
.slide_item.active { opacity:1; }

/* 배경 이미지 영역 */
.slide_bg {
    position:absolute; inset:0;
    background:#050d1a;
    overflow:hidden;
}
.slide_bg img {
    width:100%; height:100%;
    object-fit:cover; object-position:center;
    display:block;
}
/* 이미지 위 어두운 오버레이 */
.slide_overlay {
    position:absolute; inset:0;
    background:linear-gradient(135deg, rgba(5,13,26,0.78) 0%, rgba(12,31,61,0.62) 55%, rgba(5,13,26,0.45) 100%);
    pointer-events:none; z-index:1;
}
/* 이미지 없을 때 폴백 그라디언트 */
.slide_bg.no_img { background:linear-gradient(135deg,#050d1a 0%,#0c1f3d 40%,#071528 100%); }
.slide_bg.no_img img { display:none; }

.slide_glow {
    position:absolute; right:0; top:0;
    width:55%; height:100%; z-index:2;
    background:radial-gradient(ellipse at 70% 40%, rgba(0,180,216,0.1) 0%, transparent 65%);
    pointer-events:none;
}
.slide_grid {
    position:absolute; inset:0; z-index:2;
    background-image:
        linear-gradient(rgba(0,180,216,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,180,216,0.03) 1px, transparent 1px);
    background-size:60px 60px; pointer-events:none;
}

.slide_content {
    position:absolute; top:45%; left:50%;
    transform:translate(-50%,-50%);
    width:100%; max-width:1500px; padding:0 3rem; z-index:3;
}
.slide_content .slide_en {
    display:block;
    font-family:'Montserrat', sans-serif;
    font-size:1.2rem; font-weight:500;
    color:#ddd; letter-spacing:0.4rem;
    text-transform:uppercase; margin-bottom:1.8rem;
}
.slide_content h2 {
    font-family:'Montserrat', sans-serif;
    font-size:5.8rem; font-weight:400;
    color:#fff; line-height:1.2;
    letter-spacing:-0.2rem; margin-bottom:2rem;
}
.slide_content h2 em { display:block; font-weight:700; font-style:normal; color:#fff; }
.slide_content p {
    font-size:1.9rem; color:rgba(255,255,255,0.65);
    line-height:1.75; margin-bottom:3.9rem;
    font-weight:300;
}
.slide_btn {
    display:inline-flex; align-items:center; gap:1rem;
    padding:1.4rem 3.2rem; border:1px solid rgba(255,255,255,0.4);
    color:#fff; font-size:1.5rem; font-weight:500;
    letter-spacing:0.03rem; transition:all .3s;
}
.slide_btn:hover { background:#00b4d8; border-color:#00b4d8; }
.slide_btn i { font-size:12px; transition:transform .3s; }
.slide_btn:hover i { transform:translateX(4px); }

.slide_controls {
    position:absolute; bottom:3.6rem; left:50%;
    transform:translateX(-50%);
    width:100%; max-width:1500px; padding:0 3rem;
    display:flex; align-items:center; gap:1.4rem; z-index:10;
}
.slide_dots { display:flex; gap:8px; }
.slide_dots span {
    display:block; width:8px; height:8px;
    border-radius:50%; background:rgba(255,255,255,0.28);
    cursor:pointer; transition:all .3s;
}
.slide_dots span.active { width:26px; border-radius:4px; background:#eb2629; }
.slide_count {
    font-family:'Montserrat', sans-serif;
    font-size:12px; color:rgba(255,255,255,0.38); letter-spacing:1px;
}
.slide_count .cur { color:#fff; font-weight:700; }
.slide_arrows { display:flex; gap:6px; margin-left:auto; }
.slide_arrows button {
    width:38px; height:38px;
    border:1px solid rgba(255,255,255,0.22);
    color:rgba(255,255,255,0.55); font-size:13px;
    display:flex; align-items:center; justify-content:center; transition:all .3s;
}
.slide_arrows button:hover { border-color:#00b4d8; color:#00b4d8; }

/* ====================================
   솔루션 섹션
==================================== */
.common_box.sec_solution { background:#0c1728; padding:90px 0; }
.common_box.sec_solution .sec_title h3 { color:#fff; }
.common_box.sec_solution .sec_title p { color:rgba(255,255,255,0.4); }

.solution_outer { position:relative; padding:0 22px; }
.solution_slider { display:flex; gap:20px; transition:transform .5s cubic-bezier(.4,0,.2,1); }
.solution_card {
    flex:0 0 calc(33.333% - 14px);
    background:rgba(255,255,255,0.05);
    border:1px solid rgba(255,255,255,0.08);
    padding:34px 30px; transition:all .3s;
    position:relative; overflow:hidden;
}
.solution_card::before {
    content:''; position:absolute; top:0; left:0; right:0; height:2px;
    background:linear-gradient(90deg,#00b4d8,#0077b6);
    transform:scaleX(0); transform-origin:left; transition:transform .4s;
}
.solution_card:hover { background:rgba(255,255,255,0.09); border-color:rgba(0,180,216,0.28); }
.solution_card:hover::before { transform:scaleX(1); }
.solution_card .card_en {
    font-family:'Montserrat', sans-serif;
    font-size:2.2rem; font-weight:800; color:#fff; margin-bottom:0.4rem; letter-spacing:-0.03rem;
}
.solution_card .card_ko { font-size:1.7rem; color:#00b4d8; margin-bottom:1.4rem; }
.solution_card p { font-size:1.7rem; color:rgba(255,255,255,0.48); line-height:1.7; font-weight:300; }
.solution_card .card_more {
    display:inline-flex; align-items:center; gap:0.6rem;
    margin-top:2rem; font-size:1.9rem; color:rgba(255,255,255,0.35);
    font-family:'Montserrat', sans-serif; font-weight:600; letter-spacing:0.05rem; transition:color .2s;
}
.solution_card:hover .card_more { color:#00b4d8; }
.solution_card .card_more i { font-size:10px; }

.sol_arr {
    position:absolute; top:50%; transform:translateY(-50%);
    width:42px; height:42px;
    background:rgba(255,255,255,0.07); border:1px solid rgba(255,255,255,0.12);
    color:rgba(255,255,255,0.55); font-size:13px;
    display:flex; align-items:center; justify-content:center; transition:all .3s; z-index:5;
}
.sol_arr:hover { background:#00b4d8; border-color:#00b4d8; color:#fff; }
.sol_arr.prev { left:-21px; }
.sol_arr.next { right:-21px; }

/* ====================================
   제품 섹션
==================================== */
.common_box.sec_product { padding:90px 0; background:#fff; }

.product_tabs { display:flex; border-bottom:1px solid #e5e8ee; margin-bottom:44px; overflow-x:auto; }
.product_tabs::-webkit-scrollbar { height:0; }
.product_tabs button {
    padding:1.2rem 2rem; font-size:1.9rem; font-weight:500;
    color:#999; border-bottom:2px solid transparent;
    margin-bottom:-1px; transition:all .2s; white-space:nowrap;
}
.product_tabs button.active { color:#00b4d8; border-bottom-color:#00b4d8; }
.product_tabs button:hover { color:#333; }

.product_panel { display:none; }
.product_panel.active { display:flex; gap:28px; }
.product_main_card {
    flex:0 0 260px; background:#f4f7fb;
    padding:28px 24px; transition:opacity .3s;
}
.product_img_placeholder {
    width:100%; height:150px; margin-bottom:18px;
    display:flex; align-items:center; justify-content:center;
    font-size:34px; border-radius:2px;
}
.product_main_card h4 { font-size:2rem; font-weight:700; color:#111; margin-bottom:0.8rem; }
.product_main_card p { font-size:1.7rem; color:#888; line-height:1.65; font-weight:300; }
.product_sub_list {
    flex:1; display:grid;
    grid-template-columns:repeat(4,1fr); gap:1.4rem; align-content:start;
}
.product_sub_item {
    display:flex; flex-direction:column;
    padding:1.8rem 1.5rem; border:1px solid #eef0f5; transition:all .3s;
}
.product_sub_item:hover { border-color:#00b4d8; box-shadow:0 4px 14px rgba(0,180,216,0.1); }
.product_sub_item .sub_ko { font-size:2.0rem; color:#00b4d8; margin-bottom:0.4rem; font-weight:700; }
.product_sub_item .sub_en { font-size:1.6rem; font-weight:500; color:#111; margin-bottom:0.5rem; font-family:'Montserrat',sans-serif; letter-spacing:0; }
.product_sub_item .sub_desc { font-size:1.6rem; color:#bbb; line-height:1.55; font-weight:300; }

/* ====================================
   서비스 섹션
==================================== */
.common_box.sec_service { padding:90px 0; background:#fff; }

.service_grid { display:grid; grid-template-columns:repeat(4,1fr); gap:18px; }
.service_card {
    background:#fff; padding:34px 26px;
    border:1px solid #eef0f5; transition:all .3s;
}
.service_card:hover { border-color:#00b4d8; box-shadow:0 8px 28px rgba(0,180,216,0.1); transform:translateY(-4px); }
.service_card .svc_icon {
    width:52px; height:52px;
    background:linear-gradient(135deg,rgba(0,180,216,0.1),rgba(0,119,182,0.07));
    display:flex; align-items:center; justify-content:center;
    font-size:21px; color:#00b4d8; margin-bottom:18px; transition:all .3s;
}
.service_card:hover .svc_icon { background:#00b4d8; color:#fff; }
.service_card h4 { font-size:2rem; font-weight:700; color:#111; margin-bottom:0.9rem; }
.service_card p { font-size:1.7rem; color:#888; line-height:1.60; font-weight:300; margin-bottom:1.8rem; }
.service_card p span { font-weight:500; color:#333; }
.service_card .svc_more {
    font-family:'Montserrat', sans-serif;
    font-size:1.9rem; font-weight:700; color:#00b4d8;
    letter-spacing:0.05rem; display:inline-flex; align-items:center; gap:0.5rem;
}
.service_card .svc_more i { font-size:10px; transition:transform .2s; }
.service_card:hover .svc_more i { transform:translateX(4px); }


/* ====================================
   슬로건 섹션 01
==================================== */
.sec_slogan { background-color: #011a38; padding:90px 0;}
.sec_slogan .sec_title { margin-bottom: 0;}
.sec_slogan .sec_title h3 span {color: #fff8da}
.sec_slogan .sec_title h3 { color:#fff; }
.sec_slogan .sec_title p { color:rgba(255,255,255,0.4); }



/* ====================================
   뉴스 섹션
==================================== */
.common_box.sec_news { padding:90px 0; background:#f8f8f8; }

.news_grid { display:grid; grid-template-columns:repeat(4,1fr); gap:30px; }
.news_card { border-bottom:1px solid #eee; padding-bottom:18px; display:block; }
.news_card .news_thumb {
    width:100%; aspect-ratio:16/9; overflow:hidden;
    margin-bottom:14px; background:#eef1f5;
    display:flex; align-items:center; justify-content:center;
    font-size:26px; color:#d0d5e0; transition:background .3s;
}
.news_card:hover .news_thumb { background:#e0eaf5; }
.news_card .news_cate {
    display:inline-block;
    font-family:'Montserrat', sans-serif;
    font-size:1.5rem; font-weight:700;
    color:#00b4d8; 
    text-transform:uppercase; margin-bottom:0.7rem;
}
.news_card h4 {
    font-size:2rem; font-weight:600; color:#111;
    line-height:1.5; margin-bottom:0.7rem;
    display:-webkit-box; -webkit-line-clamp:2;
    -webkit-box-orient:vertical; overflow:hidden;
}
.news_card:hover h4 { color:#00b4d8; }
.news_card .news_date { font-size:1.6rem; color:#bbb; font-family:'Montserrat',sans-serif; }

.news_more_wrap { text-align:center; margin-top:4.2rem; }
.btn_more_line {
    display:inline-flex; align-items:center; gap:0.8rem;
    padding:1.2rem 3.2rem; border:1px solid #ddd;
    font-size:1.9rem; color:#666; transition:all .3s;
}
.btn_more_line:hover { border-color:#00b4d8; color:#00b4d8; }


/* ====================================
   슬로건 섹션 02
==================================== */
.sec_slogan02 { background:url(/images/sub_section_bg02.jpg) no-repeat 100% center; padding:90px 0;}
.sec_slogan02 .sec_title { margin-bottom: 0; text-align: left;}
.sec_slogan02 .sec_title h3 span {color: #f88c8c}
.sec_slogan02 .sec_title h3 { color:#fff; }
.sec_slogan02 .sec_title p { color:rgba(255,255,255,0.4); }


/* ====================================
   파트너 섹션
==================================== */
.common_box.sec_partners { padding:70px 0; background:#fff; border-top:1px solid #eee; }
.partner_header { text-align:center; margin-bottom:36px; }
.partner_header .en_tag {
    font-family:'Montserrat', sans-serif;
    font-size:11px; font-weight:700; color:#00b4d8;
    letter-spacing:4px; text-transform:uppercase;
    display:block; margin-bottom:11px;
}
.partner_header h3 { font-size:4.4rem; font-weight:700; color:#111; }
.partner_header p { font-size:1.9rem; color:#999; margin-top:0.7rem; font-weight:300; }

.marquee_wrap { overflow:hidden; position:relative; }
.marquee_wrap::before,
.marquee_wrap::after {
    content:''; position:absolute; top:0; z-index:2;
    width:80px; height:100%;
}
.marquee_wrap::before { left:0; background:linear-gradient(to right,#f7f9fb,transparent); }
.marquee_wrap::after  { right:0; background:linear-gradient(to left,#f7f9fb,transparent); }
.marquee_track {
    display:flex;
    animation:marquee_roll 28s linear infinite;
    width:max-content;
}
.marquee_track:hover { animation-play-state:paused; }
.partner_logo {
    flex-shrink:0; width:155px; height:70px;
    display:flex; align-items:center; justify-content:center;
    padding:10px 18px; border-right:1px solid #e8eaf0;
    font-size:13px; font-weight:700; color:#999;
    filter:grayscale(1) opacity(.45); transition:filter .3s;
}
.partner_logo:hover { filter:grayscale(0) opacity(1); }
@keyframes marquee_roll {
    0%   { transform:translateX(0); }
    100% { transform:translateX(-50%); }
}

/* ====================================
   FEATURE 섹션
==================================== */
.common_box.sec_feature,
.common_box.sec_feature > div,
.common_box.sec_feature > div > div {
    overflow:visible;
}
.common_box.sec_feature {
    background:#f3f4f6;
    padding: 90px 0;
}

/* 탭 네비게이션 sticky */
.feature_tab_nav {
    position:sticky;
    top:7.2rem;
    z-index:100;
    background:#f3f4f6;
    padding:2.8rem 2.4rem 0;
    width:100vw;
    margin-left:calc((100vw - 100%) / -2);
}
.feature_tab_nav_inner {
    max-width:1500px;
    margin:0 auto;
    display:flex;
    justify-content:center;
    padding-bottom:0;
}

/* pill 그룹 */
.feature_tab_group {
    display:inline-flex;
    background:#e4e5e8;
    border-radius:10rem;
    padding:0.5rem;
    gap:0.3rem;
}
.feature_tab_group li button {
    padding:1.2rem 3rem;
    font-size:1.8rem;
    font-weight:500;
    color:#888;
    border-radius:10rem;
    white-space:nowrap;
    transition:all .2s;
    letter-spacing:-0.02rem;
}
.feature_tab_group li button:hover { color:#333; }
.feature_tab_group li button.active {
    background:#111;
    color:#fff;
    font-weight:600;
    box-shadow:0 2px 10px rgba(0,0,0,0.18);
}

/* 패널 */
.feature_panel {
    display:none;
    padding:7rem 0 9rem;
}
.feature_panel.active { display:block; }

/* 텍스트 + 이미지 배치 */
.feature_inner {
    display:flex;
    align-items:center;
    gap:10rem;
}
.feature_panel.reverse .feature_inner {
    flex-direction:row-reverse;
}

.feature_text { flex:0 0 45rem; }

.feature_tag {
    display:inline-flex;
    align-items:center;
    gap:0.8rem;
    font-size:1.6rem;
    font-weight:600;
    color:#444;
    background:#fff;
    padding:0.7rem 1.6rem;
    border-radius:10rem;
    margin-bottom:2.8rem;
    box-shadow:0 1px 6px rgba(0,0,0,0.08);
}
.feature_title {
    font-size:4.6rem;
    font-weight:800;
    color:#111;
    line-height:1.25;
    letter-spacing:-0.1rem;
    margin-bottom:2.4rem;
}
.feature_desc {
    font-size:1.9rem;
    color:#777;
    line-height:1.9;
    font-weight:300;
}

.feature_img {
    flex:1;
    display:flex;
    justify-content:center;
    align-items:center;
}
.feature_img .screen {
    max-width:100%;
    height:auto;
    filter:drop-shadow(0 20px 60px rgba(0,0,0,0.14));
    border-radius:1.2rem;
}

@media (max-width:1100px) {
    .feature_text { flex:0 0 36rem; }
    .feature_inner { gap:6rem; }
    .feature_title { font-size:3.8rem; }
}

/* ====================================
   FAQ 섹션
==================================== */
.common_box.sec_faq { background:#fff; padding:90px 0; }
.faq_head { margin-bottom:5.2rem; }
.faq_num {
    display:inline-block; font-family:'Montserrat', sans-serif;
    font-size:1.4rem; font-weight:700; color:#eb2629;
    border:1.5px solid #eb2629; border-radius:10rem;
    padding:0.3rem 1.1rem; letter-spacing:0.05rem; margin-bottom:1.4rem;
}
.faq_head h3 { font-size:3.8rem; font-weight:800; color:#111; line-height:1.2; margin-bottom:0.8rem; }
.faq_head p { font-size:1.7rem; color:#aaa; font-weight:300; }
.faq_list { border-top:1px solid #e8e8e8; }
.faq_item { border-bottom:1px solid #e8e8e8; }
.faq_q {
    width:100%; display:flex; justify-content:space-between; align-items:center;
    padding:2.4rem 0; font-size:2rem; font-weight:500; color:#111;
    text-align:left; transition:color .2s; gap:2rem;
}
.faq_q:hover { color:#eb2629; }
.faq_q i { font-size:1.4rem; color:#bbb; flex-shrink:0; transition:transform .3s; }
.faq_item.open .faq_q i { transform:rotate(180deg); color:#eb2629; }
.faq_a { display:none; padding:0 4rem 2.8rem 0; font-size:1.8rem; color:#777; line-height:1.85; font-weight:300; }

/* ====================================
   CTA 배너 섹션
==================================== */
.common_box.sec_cta {
    background:linear-gradient(120deg, #a8e063 0%, #56c8b8 55%, #38b2a3 100%);
    padding:0;
}
.common_box.sec_cta > div > div {
    min-height:18rem; display:flex;
    align-items:center; justify-content:space-between; padding:5rem 0;
}
.cta_text p { font-size:2.4rem; font-weight:700; color:#1a2a1a; line-height:1.55; letter-spacing:-0.03rem; }
.cta_text .call_number { font-size:3.4rem; font-weight:700; color:#fff; line-height:1.55; letter-spacing:-0.03rem; }
.cta_btn {
    display:inline-flex; align-items:center;
    background:#1a1a1a; color:#fff; font-size:1.8rem; font-weight:600;
    padding:1.6rem 3.6rem; border-radius:0.6rem;
    flex-shrink:0; transition:background .2s, transform .2s; letter-spacing:-0.02rem;
}
.cta_btn:hover { background:#000; transform:translateY(-2px); }

/* ====================================
   FOOTER
==================================== */
/* ====================================
   FOOTER (심플형)
==================================== */
.common_box.footer {
    background:#0c1728;
    padding:0;
    overflow-x: none;
}

/* 상단 바 : 로고 + 정책링크 + 시스템바로가기 */
.footer_top {
    display:flex; align-items:center;
    padding:2.2rem 0;
    border-bottom:1px solid rgba(255,255,255,0.08);
    gap:3.2rem;
}

/* 로고 */
.footer_logo_txt {
    font-family:'Montserrat', sans-serif;
    font-size:1.8rem; font-weight:800; color:#fff;
    display:flex; align-items:center; gap:8px;
    flex-shrink:0;
}

/* 정책 링크 */
.footer_policy {
    display:flex; gap:2.4rem; flex:1;
}
.footer_policy a {
    font-size:1.5rem; color:rgba(255,255,255,0.45);
    transition:color .2s;
}
.footer_policy a:hover { color:#fff; }
.footer_policy a:first-child {
    font-weight:700; color:rgba(255,255,255,0.75);
}

/* 시스템 바로가기 드롭다운 */
.footer_shortcut {
    position:relative; flex-shrink:0;
    z-index:9999; /* 도입문의 배너보다 위에 표시 */
}
.footer_shortcut_btn {
    display:flex; align-items:center; gap:1.2rem;
    padding:0.9rem 1.8rem;
    border:1px solid rgba(255,255,255,0.22);
    color:rgba(255,255,255,0.65); font-size:1.5rem;
    font-family:'Noto Sans KR', sans-serif;
    background:transparent; cursor:pointer;
    transition:border-color .2s, color .2s;
    white-space:nowrap;
}
.footer_shortcut_btn:hover { border-color:rgba(255,255,255,0.5); color:#fff; }
.footer_shortcut_btn i {
    font-size:1.4rem; transition:transform .25s;
}
.footer_shortcut.open .footer_shortcut_btn i { transform:rotate(45deg); }

.footer_shortcut_menu {
    display:none;
    position:absolute; right:0; bottom:calc(100% + 6px);
    background:#1a2a42;
    border:1px solid rgba(255,255,255,0.12);
    min-width:16rem;
    z-index:10000; /* 시스템 바로가기 메뉴가 최상위에 표시 */
}
.footer_shortcut.open .footer_shortcut_menu { display:block; }
.footer_shortcut_menu a {
    display:block; padding:1.1rem 1.8rem;
    font-size:1.5rem; color:rgba(255,255,255,0.6);
    border-bottom:1px solid rgba(255,255,255,0.06);
    transition:background .15s, color .15s;
}
.footer_shortcut_menu a:last-child { border-bottom:none; }
.footer_shortcut_menu a:hover { background:rgba(255,255,255,0.06); color:#fff; }

/* 하단 바 : 회사정보 */
.footer_bottom {
    padding:2rem 0;
    display:flex; align-items:center; justify-content:space-between; gap:1.6rem;
}
.footer_info {
    font-size:1.4rem; color:rgba(255,255,255,0.3);
    line-height:1.9; font-weight:300;
}
.footer_info strong { font-weight:500; color:rgba(255,255,255,0.5); margin-right:1rem; }
.footer_info span { margin:0 0.8rem; color:rgba(255,255,255,0.15); }
.footer_copyright {
    font-size:1.3rem; color:rgba(255,255,255,0.2);
    font-family:'Montserrat', sans-serif; flex-shrink:0;
}

/* 반응형 */
@media (max-width:900px) {
    .footer_top { flex-wrap:wrap; gap:1.6rem; padding:2rem 0; }
    .footer_policy { flex:none; }
    .footer_shortcut { width:100%; }
    .footer_shortcut_btn { width:100%; justify-content:space-between; }
    .footer_shortcut_menu { width:100%; left:0; right:0; }
    .footer_bottom { flex-direction:column; align-items:flex-start; gap:0.8rem; }
    .footer_copyright { display:none; }
}
@media (max-width:600px) {
    .footer_info { font-size:1.3rem; }
    .footer_info span { display:none; }
    .footer_info br { display:block; }
}

/* ====================================
   TOP 버튼
==================================== */
.btn_top {
    position:fixed; right:24px; bottom:24px; z-index:500;
    width:42px; height:42px;
    background:#0c1728; border:1px solid rgba(255,255,255,0.15);
    display:none; align-items:center; justify-content:center;
    color:rgba(255,255,255,0.55); font-size:14px; cursor:pointer; transition:all .3s;
}
.btn_top.show { display:flex; }
.btn_top:hover { background:#00b4d8; border-color:#00b4d8; color:#fff; }

/* ====================================
   RESPONSIVE — 전체 통합
   (style.css 마지막에서 관리, 로드 순서 보장)
==================================== */

/* ─ 1500px 이하 ─ */
@media (max-width:1500px) {
    .common_box > div { width:100%; padding:0 2.4rem; }
    .slide_content, .slide_controls { width:100%; padding:0 2.4rem; }
    .solution_card { flex:0 0 calc(50% - 1rem); }
    .product_sub_list { grid-template-columns:repeat(3,1fr); }
    .news_grid { grid-template-columns:repeat(3,1fr); }
}

/* ─ 1100px 이하 (feature only) ─ */
@media (max-width:1100px) {
    .feature_text { flex:0 0 36rem; }
    .feature_inner { gap:6rem; }
    .feature_title { font-size:3.8rem; }
}

/* ─ 900px 이하 (태블릿·모바일) ─ */
@media (max-width:900px) {
    /* 헤더: GNB·우측 버튼 숨기고, 버거버튼 우측 끝으로 */
    .gnb { display:none; }
    .header_right { display:none; }
    .mobile_menu_btn { display:flex !important; margin-left:auto; }

    /* 슬라이드: 공통 padding 오버라이드 → 양옆 여백 제거 */
    .common_box.main_visual > div { padding:0 !important; }

    /* 슬라이더 */
    .slide_content h2 { font-size:4.2rem; }

    /* 서비스 카드 2열 */
    .service_grid { grid-template-columns:repeat(2,1fr); }

    /* 뉴스 2열 */
    .news_grid { grid-template-columns:repeat(2,1fr); }

    /* 제품 탭 패널 세로 */
    .product_panel.active { flex-direction:column; }
    .product_main_card { flex:none; width:100%; }
    .product_sub_list { grid-template-columns:repeat(3,1fr); }

    /* Feature 패널 세로 */
    .feature_inner,
    .feature_panel.reverse .feature_inner { flex-direction:column !important; gap:4rem; }
    .feature_text { flex:none; width:100%; }
    .feature_title { font-size:3.4rem; }
    .feature_tab_group li button { padding:1rem 2rem; font-size:1.6rem; }

    /* FAQ */
    .faq_head h3 { font-size:3.2rem; }
    .faq_q { font-size:1.8rem; }

    /* CTA 세로 */
    .common_box.sec_cta > div > div { flex-direction:column; align-items:flex-start; gap:3rem; }

    /* 푸터 세로 - footer.css 반응형으로 처리 */
}

/* ─ 600px 이하 (소형 모바일) ─ */
@media (max-width:600px) {
    html { font-size:55%; }

    /* 슬라이더 */
    .slide_content h2 { font-size:3.8rem; letter-spacing:-0.1rem; }
    .slide_content p { font-size:1.9rem; }

    /* 섹션 타이틀 */
    .sec_title h3 { font-size:3.4rem; }

    /* 카드 1열 */
    .solution_card { flex:0 0 100%; }
    .service_grid { grid-template-columns:1fr; }
    .news_grid { grid-template-columns:1fr; }
    .product_sub_list { grid-template-columns:repeat(2,1fr); }

    /* Feature */
    .feature_panel { padding:5rem 0 7rem; }
    .feature_title { font-size:3rem; }
    .feature_tab_group { flex-wrap:wrap; border-radius:1.4rem; }
    .feature_tab_group li button { padding:0.9rem 1.6rem; font-size:1.5rem; }

    /* FAQ */
    .faq_head h3 { font-size:2.8rem; }
    .faq_q { font-size:1.7rem; padding:2rem 0; }

    /* CTA */
    .cta_text p { font-size:2rem; }
    .cta_btn { font-size:1.6rem; padding:1.4rem 2.8rem; width:100%; justify-content:center; }

    /* 푸터 - footer.css 반응형으로 처리 */
}

/* ====================================
   상담 팝업
==================================== */
.popup_overlay {
    display:none;
    position:fixed; inset:0;
    background:rgba(0,0,0,0.65);
    z-index:2000;
    overflow-y:auto;
    padding:3rem 1.6rem;
    /* 열릴 때 fade */
    opacity:0; transition:opacity .25s ease;
}
.popup_overlay.open {
    display:flex;
    align-items:flex-start;
    justify-content:center;
}
.popup_overlay.visible { opacity:1; }

.popup_wrap {
    background:#fff;
    width:100%; max-width:68rem;
    border-radius:1.2rem;
    overflow:hidden;
    transform:translateY(20px);
    transition:transform .3s ease;
    margin:auto;
}
.popup_overlay.visible .popup_wrap { transform:translateY(0); }

/* 팝업 헤더 */
.popup_head {
    background:#0c1728;
    padding:3.2rem 3.6rem 2.8rem;
    position:relative;
}
.popup_head h2 {
    font-size:2.6rem; font-weight:800;
    color:#fff; margin-bottom:0.6rem;
}
.popup_head p {
    font-size:1.6rem; color:rgba(255,255,255,0.5);
    font-weight:300;
}
.popup_close {
    position:absolute; top:2rem; right:2rem;
    width:3.6rem; height:3.6rem;
    display:flex; align-items:center; justify-content:center;
    color:rgba(255,255,255,0.5); font-size:1.8rem;
    border-radius:50%;
    transition:background .2s, color .2s;
}
.popup_close:hover { background:rgba(255,255,255,0.1); color:#fff; }

/* 폼 영역 */
.popup_form { padding:3.2rem 3.6rem 3.6rem; }

.form_row { margin-bottom:2rem; }
.form_row.two_col { display:grid; grid-template-columns:1fr 1fr; gap:1.6rem; }

.form_field { display:flex; flex-direction:column; gap:0.7rem; }
.form_field label {
    font-size:1.5rem; font-weight:600; color:#333;
}
.form_field .req { color:#eb2629; }

.form_field input,
.form_field textarea,
.form_field select {
    padding:1.2rem 1.4rem;
    border:1px solid #dde0e8;
    border-radius:0.6rem;
    font-size:1.6rem; font-family:inherit; color:#222;
    transition:border-color .2s, box-shadow .2s;
    outline:none;
    background:#fafbfc;
}
.form_field input:focus,
.form_field textarea:focus {
    border-color:#eb2629;
    box-shadow:0 0 0 3px rgba(235,38,41,0.08);
    background:#fff;
}
.form_field input.error,
.form_field textarea.error { border-color:#eb2629; }
.form_field textarea { resize:vertical; min-height:10rem; }

/* 자동입력 방지 */
.captcha_wrap {
    display:flex; align-items:center; gap:1rem;
}
.captcha_box {
    min-width:13rem; height:4.6rem;
    background:#1a2a42;
    border-radius:0.6rem;
    display:flex; align-items:center; justify-content:center;
    font-family:'Courier New', monospace;
    font-size:2rem; font-weight:700;
    letter-spacing:0.5rem;
    color:#fff;
    user-select:none;
    flex-shrink:0;
    /* 노이즈 효과 */
    text-shadow:1px 1px 0 rgba(255,255,255,0.15);
}
.captcha_refresh {
    width:3.8rem; height:3.8rem; flex-shrink:0;
    border:1px solid #dde0e8; border-radius:0.6rem;
    display:flex; align-items:center; justify-content:center;
    color:#999; font-size:1.4rem; transition:all .2s;
}
.captcha_refresh:hover { border-color:#eb2629; color:#eb2629; }
.captcha_wrap input { flex:1; }

/* 개인정보 동의 */
.privacy_field { gap:1.2rem; }
.privacy_box {
    background:#f7f8fa;
    border:1px solid #eaecf0;
    border-radius:0.6rem;
    padding:1.4rem 1.6rem;
}
.privacy_title {
    font-size:1.4rem; font-weight:700; color:#555;
    margin-bottom:0.5rem;
}
.privacy_text { font-size:1.3rem; color:#888; line-height:1.7; font-weight:300; }

.checkbox_label {
    display:flex; align-items:center; gap:1rem;
    font-size:1.5rem; color:#333; cursor:pointer;
}
.checkbox_label input[type="checkbox"] { display:none; }
.checkbox_custom {
    width:2rem; height:2rem; flex-shrink:0;
    border:2px solid #dde0e8; border-radius:0.4rem;
    background:#fff; transition:all .2s;
    display:flex; align-items:center; justify-content:center;
}
.checkbox_label input:checked + .checkbox_custom {
    background:#eb2629; border-color:#eb2629;
}
.checkbox_label input:checked + .checkbox_custom::after {
    content:''; display:block;
    width:0.5rem; height:0.9rem;
    border:2px solid #fff; border-top:none; border-left:none;
    transform:rotate(45deg) translate(-1px,-1px);
}

/* 제출 버튼 */
.form_submit {
    width:100%; padding:1.7rem;
    background:#eb2629; color:#fff;
    font-size:1.8rem; font-weight:700;
    border-radius:0.8rem;
    transition:background .2s, transform .15s;
    letter-spacing:-0.02rem;
}
.form_submit:hover { background:#c91f22; transform:translateY(-1px); }
.form_submit:active { transform:translateY(0); }

/* 팝업 반응형 */
@media (max-width:600px) {
    .popup_overlay { padding:0; align-items:flex-end; }
    .popup_wrap { border-radius:1.6rem 1.6rem 0 0; max-width:100%; }
    .popup_head { padding:2.8rem 2.4rem 2.4rem; }
    .popup_form { padding:2.4rem 2.4rem 3.2rem; }
    .form_row.two_col { grid-template-columns:1fr; }
    .captcha_wrap { flex-wrap:wrap; }
    .captcha_box { width:100%; min-width:unset; }
    .captcha_wrap input { width:100%; }
}

/* ====================================
   Feature 탭 자동재생 진행 바
==================================== */
.feature_tab_group li { position:relative; }
.feature_tab_progress {
    position:absolute; bottom:0; left:0.5rem; right:0.5rem;
    height:2px; background:rgba(255,255,255,0.25);
    border-radius:2px; overflow:hidden;
    opacity:0; transition:opacity .2s;
}
.feature_tab_group li button.active ~ .feature_tab_progress { opacity:1; }
.feature_tab_progress_bar {
    height:100%; width:0;
    background:#eb2629; border-radius:2px;
}

/* ====================================
   정책 팝업
==================================== */
.policy_popup {
    display:none;
    position:fixed; inset:0;
    z-index:10001;
}
.policy_popup.open { display:flex; }

.policy_popup_overlay {
    position:absolute; inset:0;
    background:rgba(0,0,0,0.75);
    opacity:0; transition:opacity .25s;
}
.policy_popup.visible .policy_popup_overlay { opacity:1; }

.policy_popup_content {
    position:relative;
    width:90%; max-width:80rem;
    max-height:90vh;
    background:#fff;
    border-radius:1.2rem;
    margin:auto;
    display:flex; flex-direction:column;
    opacity:0; transform:translateY(20px);
    transition:opacity .25s, transform .25s;
    box-shadow:0 10px 40px rgba(0,0,0,0.3);
}
.policy_popup.visible .policy_popup_content {
    opacity:1; transform:translateY(0);
}

.policy_popup_header {
    display:flex; align-items:center;
    justify-content:space-between;
    padding:2.4rem 3rem;
    border-bottom:1px solid #e5e5e5;
    flex-shrink:0;
}
.policy_popup_header h2 {
    font-size:2.2rem; font-weight:700;
    color:#111;
}
.policy_popup_close {
    width:3.6rem; height:3.6rem;
    display:flex; align-items:center; justify-content:center;
    background:transparent; cursor:pointer;
    border-radius:50%; transition:background .2s;
}
.policy_popup_close:hover { background:#f5f5f5; }
.policy_popup_close i {
    font-size:2rem; color:#666;
}

.policy_popup_body {
    flex:1; overflow-y:auto;
    padding:3rem;
}
.policy_popup_body h3 {
    font-size:1.8rem; font-weight:700;
    color:#111; margin:2.4rem 0 1.2rem;
}
.policy_popup_body h3:first-child { margin-top:0; }
.policy_popup_body p {
    font-size:1.5rem; line-height:1.75;
    color:#444; margin-bottom:1.2rem;
}
.policy_popup_body ol,
.policy_popup_body ul {
    margin:1.2rem 0 1.6rem 2rem;
}
.policy_popup_body ol li,
.policy_popup_body ul li {
    font-size:1.5rem; line-height:1.75;
    color:#444; margin-bottom:0.8rem;
    position:relative; padding-left:0.6rem;
}
.policy_popup_body ol { list-style:decimal; }
.policy_popup_body ul { list-style:disc; }

/* 반응형 */
@media (max-width:768px) {
    .policy_popup_content {
        width:95%; max-height:95vh;
        border-radius:1rem;
    }
    .policy_popup_header {
        padding:2rem 2rem;
    }
    .policy_popup_header h2 {
        font-size:1.9rem;
    }
    .policy_popup_body {
        padding:2rem;
    }
    .policy_popup_body h3 {
        font-size:1.6rem;
    }
    .policy_popup_body p,
    .policy_popup_body ol li,
    .policy_popup_body ul li {
        font-size:1.4rem;
    }
}