@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@300;400;500;700;800;900&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@700;900&display=swap');

:root{
    --primary:#0f172a;
    --secondary:#334155;
    --accent:#C5A065;
    --accent-dark:#C5A065;
    --light:#f8fafc;
    --white:#ffffff;
    --text:#1e293b;
    --line:#e2e8f0;
    --radius:18px;
    --shadow:0 16px 40px rgba(15, 23, 42, 0.08);
}

/* =========================
   RESET
========================= */
*{
    margin:0;
    padding:0;
    box-sizing:border-box;
}

html{
    scroll-behavior:smooth;
}

body{
    font-family:'Noto Sans KR', sans-serif;
    color:var(--text);
    line-height:1.7;
    word-break:keep-all;
    background:#fff;
}


body.menu-open{
    overflow:hidden;
}

a{
    color:inherit;
    text-decoration:none;
}

img{
    max-width:100%;
    height:auto;
    display:block;
}

ul, li{
    list-style:none;
    margin:0;
    padding:0;
}

#leadersWrap{
    overflow:hidden;
}

.leaders-container{
    width:min(100% - 40px, 1400px);
    margin:0 auto;
}

/* =========================
   HEADER
========================= */
.leaders-header{
    position:fixed;
    top:0;
    left:0;
    width:100%;
    z-index:1000;
    background:rgba(255,255,255,0.98);
    border-bottom:1px solid rgba(226,232,240,.8);
    transition:background .25s ease, box-shadow .25s ease, backdrop-filter .25s ease;
}

.leaders-header.is-scroll{
    background:rgba(10,18,28,.92);
    backdrop-filter:blur(10px);
    border-bottom-color:rgba(255,255,255,.08);
    box-shadow:0 10px 28px rgba(15,23,42,.18);
}

.leaders-inner{
    width:min(100% - 40px, 1400px);
    margin:0 auto;
    min-height:88px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:24px;
}

.leaders-logo{
    flex:0 0 auto;
    display:flex;
    align-items:center;
}

.leaders-logo a{
    display:flex;
    align-items:center;
    justify-content:center;
    color:#111;
    transition:color .2s ease;
    font-family: 'Montserrat', sans-serif;
    font-size: 1.8rem;
    font-weight: 900;
    color: var(--primary-color);
    letter-spacing: -1px;
}

.leaders-logo img{
    max-height:54px;
    width:auto;
}

.leaders-header.is-scroll .leaders-logo a{
    color:#fff;
}

/* =========================
   BUTTON
========================= */
.leaders-btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    min-height:52px;
    padding:0 28px;
    border-radius:8px;
    background:var(--primary);
    color:#fff;
    font-size:.95rem;
    font-weight:700;
    transition:all .25s ease;
    border:1px solid var(--primary);
}

.leaders-btn:hover{
    transform:translateY(-2px);
}

.leaders-btn--line{
    background:transparent;
    border-color:rgba(255,255,255,.6);
    color:#fff;
}

.leaders-btn--line:hover{
    background:#fff;
    border-color:#fff;
    color:var(--primary);
}

.leaders-btn--header{
    min-height:46px;
    padding:0 22px;
    background:var(--accent);
    border-color:var(--accent);
    color:#fff;
}

.leaders-btn--header:hover{
    background:var(--accent-dark);
    border-color:var(--accent-dark);
    color:#fff;
}

.leaders-btn--white{
    background:#fff;
    color:var(--primary);
    border-color:#fff;
}

.leaders-btn--white:hover{
    background:transparent;
    color:#fff;
    border-color:#fff;
}

.leaders-btn--mobile{
    margin-top:16px;
    width:100%;
    background:var(--accent);
    border-color:var(--accent);
    color:#fff;
}

.leaders-btn--mobile:hover{
    background:var(--accent-dark);
    border-color:var(--accent-dark);
}

/* =========================
   HEADER ACTIONS
========================= */
.leaders-actions{
    display:flex;
    align-items:center;
    gap:14px;
    flex:0 0 auto;
}

/* =========================
   PC MENU
========================= */
.leaders-nav{
    margin-left:auto;
    position:relative;
}

.leaders-gnb{
    display:flex;
    align-items:center;
    gap:42px;
}

.leaders-gnb-item{
    position:relative;
}

.leaders-gnb-item > a{
    display:flex;
    align-items:center;
    min-height:88px;
    font-size:1.15rem;
    font-weight:800;
    color:#111;
    transition:all .2s ease;
    white-space:nowrap;
    position:relative;
    z-index:2;
}

.leaders-gnb-item > a::after{
    content:'';
    position:absolute;
    left:0;
    bottom:22px;
    width:0;
    height:3px;
    background:var(--accent);
    transition:width .25s ease;
}

.leaders-gnb-item:hover > a{
    color:var(--accent);
}

.leaders-gnb-item:hover > a::after{
    width:100%;
}

.leaders-header.is-scroll .leaders-gnb-item > a{
    color:#fff;
}

.leaders-header.is-scroll .leaders-gnb-item:hover > a{
    color:var(--accent);
}

.leaders-header.is-scroll .leaders-gnb-item > a::after{
    background:var(--accent);
}

/* =========================
   SUB DROPDOWN
========================= */
.leaders-sub-wrap{
    position:absolute;
    top:100%;
    left:50%;
    transform:translateX(-50%);
    padding-top:8px;
    opacity:0;
    visibility:hidden;
    transition:all .22s ease;
    z-index:1005;
}

.leaders-gnb-item:hover .leaders-sub-wrap{
    opacity:1;
    visibility:visible;
    padding-top:0;
}

.leaders-submenu{
    min-width:180px;
    background:#fff;
    border:1px solid var(--accent);
    box-shadow:0 12px 30px rgba(0,0,0,.15);
    padding:6px 0;
    border-radius:0;
}

.leaders-submenu li{
    display:block;
}

.leaders-submenu a{
    display:block;
    padding:10px 16px;
    font-size:15px;
    font-weight:500;
    color:#111;
    line-height:1.5;
    transition:all .18s ease;
    white-space:nowrap;
}

.leaders-submenu a:hover{
    background:var(--accent);
    color:#fff;
}

/* =========================
   MOBILE MENU BUTTON
========================= */
.leaders-menu-btn{
    width:46px;
    height:46px;
    border:0;
    background:transparent;
    display:none;
    flex-direction:column;
    justify-content:center;
    gap:6px;
    cursor:pointer;
    padding:0;
}

.leaders-menu-btn span{
    display:block;
    width:24px;
    height:2px;
    background:#111;
    margin:0 auto;
    transition:all .25s ease;
}

.leaders-header.is-scroll .leaders-menu-btn span{
    background:#fff;
}

/* =========================
   MOBILE NAV
========================= */
.leaders-dim{
    position:fixed;
    inset:0;
    background:rgba(15,23,42,.45);
    opacity:0;
    visibility:hidden;
    transition:all .25s ease;
    z-index:1001;
}

.leaders-dim.is-open{
    opacity:1;
    visibility:visible;
}

.leaders-mobile-nav{
    position:fixed;
    top:0;
    right:-340px;
    width:min(86vw, 320px);
    height:100dvh;
    background:#fff;
    z-index:1002;
    padding:22px 22px 30px;
    box-shadow:-10px 0 30px rgba(0,0,0,.12);
    transition:right .28s ease;
    overflow-y:auto;
}

.leaders-mobile-nav.is-open{
    right:0;
}

.leaders-mobile-top{
    display:flex;
    align-items:center;
    justify-content:space-between;
    margin-bottom:24px;
    padding-bottom:16px;
    border-bottom:1px solid var(--line);
}

.leaders-mobile-top strong{
    color:var(--primary);
    font-size:1rem;
}

.leaders-mobile-close{
    border:0;
    background:transparent;
    font-size:32px;
    line-height:1;
    cursor:pointer;
    color:var(--primary);
}

.leaders-mobile-links{
    display:flex;
    flex-direction:column;
    gap:0;
}

.leaders-mobile-menu > li{
    border-bottom:1px solid #e5e7eb;
}

.leaders-mobile-item > a{
    display:block;
    padding:14px 4px;
    font-size:17px;
    font-weight:700;
    color:#111827;
}

.leaders-mobile-item > a:hover{
    color:var(--accent);
}

.leaders-mobile-submenu{
    padding:0 0 10px 12px;
}

.leaders-mobile-submenu li a{
    display:block;
    padding:9px 4px;
    font-size:15px;
    color:#475569;
    font-weight:500;
}

.leaders-mobile-submenu li a:hover{
    color:var(--accent);
}

/* =========================
   CONTAINER
========================= */
#leadersContainer{
    padding-top:88px;
}

/* =========================
   HERO
========================= */
.leaders-hero{
    position:relative;
    min-height:calc(100vh - 88px);
    display:flex;
    align-items:center;
    background:var(--primary);
}

.leaders-hero-bg{
    position:absolute;
    inset:0;
    background:
        linear-gradient(rgba(15,23,42,.55), rgba(15,23,42,.50)),
        url('https://images.unsplash.com/photo-1486406146926-c627a92ad1ab?auto=format&fit=crop&w=1920&q=80') center center / cover no-repeat;
    transform:scale(1.03);
}

.leaders-hero__content{
    position:relative;
    z-index:1;
    color:#fff;
    padding:120px 0 110px;
    max-width:900px;
}

.leaders-hero__eyebrow{
    display:inline-block;
    margin-bottom:18px;
    color:#e2e8f0;
    font-size:.85rem;
    letter-spacing:2px;
    font-weight:700;
}

.leaders-hero h2{
    font-size:clamp(2.3rem, 5vw, 4.5rem);
    line-height:1.18;
    font-weight:900;
    letter-spacing:-1.8px;
    margin-bottom:24px;
}

.leaders-hero h2 span{
    color:var(--accent);
}

.leaders-hero p{
    font-size:clamp(1rem, 2vw, 1.25rem);
    color:#e2e8f0;
    font-weight:300;
    margin-bottom:38px;
}

.leaders-hero__buttons{
    display:flex;
    flex-wrap:wrap;
    gap:14px;
}

/* =========================
   PARTNERS
========================= */
.leaders-partners{
    padding:56px 0;
    background:#fff;
    border-bottom:1px solid #f1f5f9;
}

.leaders-sec-mini{
    text-align:center;
    font-size:.84rem;
    color:#94a3b8;
    letter-spacing:2px;
    font-weight:800;
    margin-bottom:24px;
}

.leaders-partner-list{
    display:flex;
    justify-content:center;
    flex-wrap:wrap;
    gap:16px;
}

.leaders-partner-item{
    padding:12px 22px;
    border:1px solid var(--line);
    border-radius:999px;
    font-size:1rem;
    font-weight:700;
    color:#64748b;
    background:#fff;
    transition:all .2s ease;
}

.leaders-partner-item:hover{
    border-color:var(--accent);
    color:var(--accent);
    background:#fffaf5;
}

/* =========================
   SECTION TITLE
========================= */
.leaders-features,
.leaders-projects{
    padding:110px 0;
}

.leaders-features{
    background:var(--light);
}

.leaders-sec-title{
    text-align:center;
    margin-bottom:64px;
}

.leaders-sec-title h2{
    font-size:clamp(2rem, 3vw, 3rem);
    line-height:1.2;
    color:var(--primary);
    font-weight:900;
    letter-spacing:-1px;
    margin-bottom:14px;
}

.leaders-sec-title p{
    color:var(--secondary);
    font-size:1.08rem;
}

/* =========================
   FEATURE CARD
========================= */
.leaders-feature-grid{
    display:grid;
    grid-template-columns:repeat(3, minmax(0, 1fr));
    gap:28px;
}

.leaders-feature-card{
    position:relative;
    padding:42px 34px;
    background:#fff;
    border-radius:var(--radius);
    box-shadow:var(--shadow);
    overflow:hidden;
    transition:all .25s ease;
}

.leaders-feature-card::before{
    content:'';
    position:absolute;
    top:0;
    left:0;
    width:5px;
    height:100%;
    background:var(--accent);
    opacity:0;
    transition:opacity .25s ease;
}

.leaders-feature-card:hover{
    transform:translateY(-8px);
}

.leaders-feature-card:hover::before{
    opacity:1;
}

.leaders-feature-no{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    width:54px;
    height:54px;
    border-radius:50%;
    background:#fff7ed;
    color:var(--accent);
    font-weight:900;
    margin-bottom:22px;
    border:1px solid #fed7aa;
}

.leaders-feature-card h3{
    font-size:1.45rem;
    line-height:1.35;
    color:var(--primary);
    font-weight:800;
    margin-bottom:14px;
}

.leaders-feature-card p{
    color:#64748b;
    font-size:1rem;
}

/* =========================
   PROJECTS
========================= */
.leaders-category-head{
    display:flex;
    align-items:center;
    flex-wrap:wrap;
    gap:12px;
    margin:58px 0 24px;
    padding-bottom:14px;
    border-bottom:2px solid var(--primary);
}

.leaders-category-head h3{
    font-size:1.7rem;
    color:var(--primary);
    font-weight:900;
    letter-spacing:-.5px;
}

.leaders-category-head span{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    min-height:34px;
    padding:0 14px;
    border-radius:999px;
    background:var(--accent);
    color:#fff;
    font-size:.82rem;
    font-weight:700;
}

.leaders-project-grid{
    display:grid;
    grid-template-columns:repeat(3, minmax(0, 1fr));
    gap:22px;
}

.leaders-project-card{
    border:1px solid var(--line);
    background:#fff;
    border-radius:16px;
    overflow:hidden;
    transition:all .22s ease;
}

.leaders-project-card:hover{
    transform:translateY(-6px);
    border-color:var(--accent);
    box-shadow:0 16px 32px rgba(15,23,42,.07);
}

.leaders-project-body{
    padding:28px 26px;
}

.leaders-client-badge{
    display:inline-flex;
    align-items:center;
    min-height:32px;
    padding:0 12px;
    border-radius:8px;
    background:#fff7ed;
    color:var(--accent);
    font-size:.82rem;
    font-weight:800;
    margin-bottom:14px;
    border:1px solid #fed7aa;
}

.leaders-project-body h4{
    font-size:1.18rem;
    line-height:1.45;
    letter-spacing:-.4px;
    color:var(--text);
    font-weight:800;
    margin-bottom:10px;
}

.leaders-project-body p{
    color:#64748b;
    font-size:.96rem;
}

/* =========================
   SUB VISUAL
========================= */
.leaders-sub-visual{
    position:relative;
    height:240px;
    background-repeat:no-repeat;
    background-position:center center;
    background-size:cover;
    overflow:hidden;
    margin-top:88px;
}

.leaders-sub-visual__overlay{
    position:absolute;
    inset:0;
    background:rgba(0,0,0,.35);
}

.leaders-sub-visual__inner{
    position:relative;
    z-index:2;
    height:100%;
    display:flex;
    align-items:center;
    justify-content:center;
}

.leaders-sub-visual__inner h2{
    font-size:48px;
    font-weight:800;
    color:#fff;
    letter-spacing:-1px;
}

/* =========================
   SUB TABS
========================= */
.leaders-sub-tabs-wrap{
    background:#fff;
    border-bottom:1px solid #e5e7eb;
}

.leaders-sub-tabs{
    min-height:84px;
    display:flex;
    align-items:center;
    justify-content:center;
    flex-wrap:wrap;
    gap:12px;
    padding:18px 0;
}

.leaders-sub-tabs li a{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    min-height:46px;
    padding:0 24px;
    border:1px solid #dcdfe4;
    border-radius:999px;
    background:#fff;
    color:#222;
    font-size:17px;
    font-weight:600;
    transition:all .2s ease;
}

.leaders-sub-tabs li a:hover{
    border-color:#0d57a1;
    color:#0d57a1;
}

.leaders-sub-tabs li.active a{
    background:#0d57a1;
    border-color:#0d57a1;
    color:#fff;
}

/* 서브페이지 본문 */
.leaders-sub-visual + .leaders-sub-tabs-wrap + #leadersContainer,
.leaders-sub-visual + #leadersContainer{
    padding-top:0;
}

/* =========================
   FOOTER
========================= */
.leaders-footer{
    padding:90px 0 72px;
    background:var(--primary);
    color:#fff;
}

.leaders-footer-cta{
    text-align:center;
}

.leaders-footer-cta h2{
    font-size:clamp(1.2rem, 3vw, 2.0rem);
    line-height:1.35;
    font-weight:700;
    margin-bottom:28px;
    letter-spacing:-1px;
}

.leaders-footer-info{
    margin-top:56px;
    padding-top:34px;
    border-top:1px solid rgba(255,255,255,.14);
    text-align:center;
    color:#cbd5e1;
    font-size:.96rem;
}

.leaders-footer-info strong{
    color:#fff;
    font-weight:800;
}

.leaders-footer-info a{
    color:#fff;
    text-decoration:underline;
}

.leaders-copy{
    margin-top:16px;
    color:#94a3b8;
    font-size:.85rem;
}

/* =========================
   ANCHOR OFFSET
========================= */
#about,
#projects,
#contact{
    scroll-margin-top:110px;
}

/* =========================
   RESPONSIVE
========================= */
@media (max-width: 1280px){
    .leaders-gnb{
        gap:28px;
    }

    .leaders-gnb-item > a{
        font-size:1.02rem;
    }
}

@media (max-width: 1180px){
    .leaders-feature-grid,
    .leaders-project-grid{
        grid-template-columns:repeat(2, minmax(0, 1fr));
    }

    .leaders-gnb-item > a{
        font-size:.96rem;
    }
}

@media (max-width: 1024px){
    #leadersHeader .leaders-nav{
        display:none !important;
    }

    #leadersHeader .leaders-request-btn{
        display:none !important;
    }

    #leadersHeader .leaders-menu-btn{
        display:flex !important;
    }

    #leadersHeader .leaders-actions{
        margin-left:auto;
    }

    .leaders-inner{
        min-height:78px;
    }

    #leadersContainer{
        padding-top:78px;
    }

    .leaders-hero{
        min-height:calc(100vh - 78px);
    }

    .leaders-hero__content{
        padding:100px 0 90px;
    }

    .leaders-sub-visual{
        height:180px;
        margin-top:78px;
    }

    .leaders-sub-visual__inner h2{
        font-size:34px;
    }

    .leaders-sub-tabs{
        justify-content:flex-start;
        gap:10px;
        padding:16px 0;
    }

    .leaders-sub-tabs li a{
        min-height:42px;
        padding:0 18px;
        font-size:15px;
    }
}

@media (max-width: 768px){
    .leaders-container,
    .leaders-inner{
        width:min(100% - 28px, 1400px);
    }

    .leaders-logo img{
        max-height:44px;
    }

    .leaders-hero h2{
        letter-spacing:-1px;
    }

    .leaders-hero p br{
        display:none;
    }

    .leaders-feature-grid,
    .leaders-project-grid{
        grid-template-columns:1fr;
    }

    .leaders-features,
    .leaders-projects{
        padding:82px 0;
    }

    .leaders-feature-card,
    .leaders-project-body{
        padding:24px 22px;
    }

    .leaders-category-head h3{
        font-size:1.35rem;
    }

    .leaders-footer{
        padding:76px 0 60px;
    }

    .leaders-sub-visual{
        height:150px;
    }

    .leaders-sub-visual__inner h2{
        font-size:28px;
    }

    .leaders-sub-tabs{
        overflow-x:auto;
        flex-wrap:nowrap;
        justify-content:flex-start;
        padding:14px 0;
        white-space:nowrap;
    }

    .leaders-sub-tabs::-webkit-scrollbar{
        height:6px;
    }

    .leaders-sub-tabs::-webkit-scrollbar-thumb{
        background:#d1d5db;
        border-radius:999px;
    }

    .leaders-sub-tabs li a{
        padding:0 16px;
        font-size:14px;
    }
}

@media (max-width: 480px){
    .leaders-btn{
        width:100%;
    }

    .leaders-hero__buttons{
        flex-direction:column;
    }

    .leaders-partner-item{
        width:100%;
        text-align:center;
        border-radius:14px;
    }

    .leaders-mobile-nav{
        width:min(92vw, 320px);
    }
}

/* 게시판만 최대 1400px */
#bo_list,
#bo_v,
#bo_w,
#fboardlist,
#faq_wrap,
#inq_write,
#new_sch,
#cop_search_rlt,
#search_result{
    width:100%;
    max-width:1400px;
    margin:0 auto;
    padding-left:20px;
    padding-right:20px;
}
@media (max-width:768px){
    #bo_list,
    #bo_v,
    #bo_w,
    #fboardlist,
    #faq_wrap,
    #inq_write,
    #new_sch,
    #cop_search_rlt,
    #search_result{
        padding-left:14px;
        padding-right:14px;
    }
}

.leaders-inner{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:30px;
}

.leaders-nav{
    flex:1;
    display:flex;
    justify-content:center;
}

.leaders-request-btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    width:176px;
    height:60px;
    background:#101a33;
    color:#fff;
    font-size:17px;
    font-weight:800;
    text-decoration:none;
    border-radius:4px;
    letter-spacing:-0.3px;
    white-space:nowrap;
    transition:all .25s ease;
}

.leaders-request-btn:hover{
    background:#1a274a;
    color:#fff;
}

.leaders-actions{
    display:flex;
    align-items:center;
    gap:12px;
}