/* ===== EDU PAGE — ONLINE COURSE LIST ===== */

/* ===== HERO CAROUSEL ===== */
.page-hero {
    padding-top: 150px;
    background: var(--hero-bg, var(--black));
    position: relative; overflow: hidden;
    height: 616px;
    margin: 0;
}
.hero-grid-lines {
    position: absolute; right: 0; top: 0; bottom: 0; width: 44%;
    background: repeating-linear-gradient(90deg, transparent 1px, transparent 59px, rgba(255,255,255,0.022) 59px, rgba(255,255,255,0.022) 60px);
    pointer-events: none; z-index: 1;
}
.hero-grid-lines::after {
    content: '';
    position: absolute; inset: 0;
    background: repeating-linear-gradient(0deg, transparent 1px, transparent 59px, rgba(255,255,255,0.013) 59px, rgba(255,255,255,0.013) 60px);
}
.hero-carousel { position: absolute; inset: 0; }
.hero-slide {
    position: absolute; inset: 0;
    display: flex; align-items: center;
    padding-top: 150px; /* 상단 고정 헤더(150px) 영역 아래에서 중앙 정렬 */
    opacity: 0;
    transition: opacity 0.8s ease;
    pointer-events: none;
}
.hero-slide.active { opacity: 1; pointer-events: auto; }
.hero-slide::before {
    content: '';
    position: absolute; inset: 0;
    background: radial-gradient(ellipse at 15% 60%, rgba(232,97,60,0.10) 0%, transparent 55%);
}
.hero-slide-inner {
    position: relative; z-index: 2;
    width: 100%; max-width: 1320px;
    margin: 0 auto; padding: 0 96px;
}
.hero-slide-cat {
    font-size: 14px; font-weight: 500; letter-spacing: 1px;
    color: var(--accent); margin-bottom: 14px;
}
.hero-slide-title {
    font-size: 38px; font-weight: 800; color: var(--hero-text, var(--white));
    line-height: 1.25; letter-spacing: -0.5px; margin-bottom: 12px;
}
.hero-slide-instructor { font-size: 15px; color: var(--hero-text, rgba(255,255,255,0.72)); margin-bottom: 16px; }
.hero-slide-desc {
    font-size: 16px; font-weight: 330; color: var(--hero-text, rgba(255,255,255,0.55));
    line-height: 1.8; margin-bottom: 24px;
    max-width: 560px;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.hero-slide-meta { display: flex; gap: 20px; margin-bottom: 24px; flex-wrap: wrap; }
.hero-slide-meta-item { display: flex; align-items: center; gap: 6px; font-size: 14px; color: var(--hero-text, rgba(255,255,255,0.72)); }
.hero-slide-meta-item i { color: var(--hero-icon, var(--accent)); font-size: 13px; }
.hero-slide-price {
    font-family: 'Poppins', sans-serif; font-size: 30px; font-weight: 700; color: var(--hero-text, var(--white));
}
.hero-slide-price small { font-size: 15px; font-weight: 340; color: var(--hero-text, rgba(255,255,255,0.72)); margin-left: 4px; }

.hero-arrow {
    position: absolute; top: 50%; transform: translateY(-50%);
    z-index: 10;
    width: 52px; height: 52px;
    display: flex; align-items: center; justify-content: center;
    border: none;
    box-shadow: inset 0 0 0 1px rgba(255,255,255,0.18);
    background: rgba(0,0,0,0.35);
    backdrop-filter: blur(6px);
    color: rgba(255,255,255,0.65);
    cursor: pointer; font-size: 16px;
    transition: var(--transition-fast);
}
.hero-arrow#heroPrev { left: 24px; }
.hero-arrow#heroNext { right: 24px; }
.hero-arrow:hover {
    box-shadow: inset 0 0 0 1px var(--accent);
    color: var(--white);
    background: rgba(232,97,60,0.15);
}
.hero-dots {
    position: absolute; bottom: 24px; left: 50%; transform: translateX(-50%);
    z-index: 10; display: flex; gap: 8px; align-items: center;
}
.hero-dot {
    width: 6px; height: 6px; background: rgba(255,255,255,0.3);
    cursor: pointer; transition: var(--transition-fast);
    border-radius: 0;
}
.hero-dot.active { width: 24px; background: var(--accent); }
.hero-progress {
    position: absolute; bottom: 0; left: 0; height: 2px;
    background: var(--accent); z-index: 10;
    animation: heroProgress 5s linear infinite;
}
@keyframes heroProgress { from { width: 0; } to { width: 100%; } }

/* ===== MAIN LAYOUT ===== */
.edu-main { background: var(--gray-100); padding: 48px 0 100px; }
.edu-layout { display: block; }

/* ===== FILTER BAR ===== */
.filter-bar {
    background: var(--white);
    border-bottom: 2px solid var(--gray-200);
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
}
.filter-bar-inner { padding: 0 28px; }

.filter-row { display: flex; align-items: center; gap: 10px; padding: 10px 0 12px; }
.filter-select {
    font-family: 'Noto Sans KR', sans-serif; font-size: 13px; color: var(--gray-700);
    border: 1px solid var(--gray-200); padding: 8px 32px 8px 12px;
    background: var(--white) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%23888' stroke-width='1.5' fill='none'/%3E%3C/svg%3E") no-repeat right 10px center / 9px;
    appearance: none; cursor: pointer; transition: var(--transition-fast); min-width: 130px;
}
.filter-select:focus { outline: none; border-color: var(--black); }

.search-wrap { flex: 1; max-width: 380px; display: flex; align-items: center; border: 1px solid var(--gray-200); transition: var(--transition-fast); }
.search-wrap:focus-within { border-color: var(--black); }
.search-type {
    font-family: 'Noto Sans KR', sans-serif; font-size: 13px;
    border: none; border-right: 1px solid var(--gray-200);
    padding: 8px 22px 8px 12px;
    background: var(--gray-100) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%23888' stroke-width='1.5' fill='none'/%3E%3C/svg%3E") no-repeat right 8px center / 8px;
    appearance: none; color: var(--gray-700); cursor: pointer;
}
.search-type:focus { outline: none; }
.edu-search-input { flex: 1; border: none; padding: 8px 12px; font-family: 'Noto Sans KR', sans-serif; font-size: 13px; color: var(--black); background: transparent; }
.edu-search-input::placeholder { color: var(--gray-400); }
.edu-search-input:focus { outline: none; }
.edu-search-btn { padding: 8px 16px; background: var(--black); border: none; color: var(--white); cursor: pointer; font-size: 13px; transition: var(--transition-fast); flex-shrink: 0; }
.edu-search-btn:hover { background: var(--accent); }

/* ===== CATEGORY GROUP FILTER ===== */
.cat-group-bar { display: flex; align-items: center; gap: 6px; padding: 8px 0 12px; border-top: 1px solid var(--gray-100); flex-wrap: wrap; }
.cat-group-btn {
    font-family: 'Noto Sans KR', sans-serif; font-size: 13px; font-weight: 500;
    padding: 6px 16px; border: 1px solid var(--gray-200); background: var(--white);
    color: var(--gray-600); cursor: pointer; transition: var(--transition-fast);
    white-space: nowrap;
}
.cat-group-btn:hover { border-color: var(--gray-500); color: var(--black); }
.cat-group-btn.active { background: var(--black); border-color: var(--black); color: var(--white); font-weight: 700; }

/* ===== SUB-CATEGORY BAR ===== */
.cat-sub-bar { padding: 8px 0 12px; border-top: 1px solid var(--gray-100); display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.cat-sub-group { display: none; align-items: center; gap: 8px; flex-wrap: wrap; width: 100%; }
.cat-sub-group.active { display: flex; }
.cat-sub-btn {
    font-family: 'Noto Sans KR', sans-serif; font-size: 13px; font-weight: 400;
    padding: 5px 16px; border: 1.5px solid var(--gray-300); border-radius: 100px;
    background: var(--white); color: var(--gray-600); cursor: pointer;
    transition: var(--transition-fast); white-space: nowrap;
}
.cat-sub-btn:hover { border-color: var(--accent); color: var(--accent); }
.cat-sub-btn.active { border-color: var(--accent); color: var(--accent); font-weight: 600; }

.filter-result-row { display: flex; align-items: center; justify-content: space-between; padding: 8px 0 10px; border-top: 1px solid var(--gray-100); }
.result-count { font-size: 13px; color: var(--gray-500); font-weight: 330; }
.result-count strong { font-weight: 700; color: var(--black); }
.view-toggle { display: flex; gap: 3px; }
.view-btn { width: 32px; height: 32px; display: flex; align-items: center; justify-content: center; border: 1px solid var(--gray-200); background: none; color: var(--gray-400); cursor: pointer; font-size: 13px; transition: var(--transition-fast); }
.view-btn.active { background: var(--black); border-color: var(--black); color: var(--white); }
.view-btn:not(.active):hover { border-color: var(--gray-500); color: var(--gray-700); }

/* ===== COURSE LIST VIEW ===== */
.list-view { display: flex; flex-direction: column; gap: 16px; }
.course-row {
    background: var(--white);
    display: flex; align-items: stretch;
    cursor: pointer;
    transition: all 0.25s ease;
    position: relative;
    border-left: 3px solid transparent;
    overflow: hidden;
}
.course-row:hover { border-left-color: var(--accent); box-shadow: 0 6px 28px rgba(0,0,0,0.09); transform: translateX(3px); }

.c-thumb { width: 180px; flex-shrink: 0; position: relative; overflow: hidden; min-height: 148px; }
.c-thumb-bg { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; color: var(--white); font-size: 17px; font-weight: 700; text-align: center; padding: 14px; line-height: 1.45; transition: transform 0.45s ease; }
.course-row:hover .c-thumb-bg { transform: scale(1.06); }
.c-thumb-overlay { position: absolute; inset: 0; background: rgba(0,0,0,0); transition: background 0.3s ease; }
.course-row:hover .c-thumb-overlay { background: rgba(0,0,0,0.1); }

.c-badges { position: absolute; top: 8px; left: 8px; right: 8px; display: flex; flex-direction: row; flex-wrap: wrap; gap: 4px; z-index: 2; }
.badge { font-size: 10px; font-weight: 700; padding: 2px 7px; letter-spacing: 0.2px; }
.badge-save { background: #2c5f9e; color: #fff; }
.badge-member { background: var(--accent); color: #fff; }
.badge-best { background: #8b4513; color: #fff; }

.discount-ribbon {
    position: absolute; top: 10px; left: 0; z-index: 3;
    background: #e02020; color: #fff; font-size: 14px; font-weight: 800;
    padding: 6px 12px 6px 10px; line-height: 1; letter-spacing: 0.3px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.25);
}
.price-original { font-size: 13px; color: var(--gray-400); text-decoration: line-through; }
.price-num-discount, .grid-price.price-num-discount { color: #e02020; }

.c-info { flex: 1; padding: 20px 24px; display: flex; flex-direction: column; justify-content: center; min-width: 0; }
.c-category { font-size: 13px; font-weight: 600; color: var(--accent); letter-spacing: 1px; text-transform: uppercase; margin-bottom: 6px; }
.c-title { font-size: 18px; font-weight: 700; color: var(--black); line-height: 1.45; margin-bottom: 4px; transition: var(--transition-fast); }
.course-row:hover .c-title { color: var(--accent); }
.c-instructor { font-size: 15px; color: var(--gray-500); font-weight: 400; margin-bottom: 8px; }
.c-desc { font-size: 15px; color: var(--gray-600); font-weight: 330; line-height: 1.7; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

.c-hours {
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    padding: 18px 20px; border-left: 1px solid var(--gray-100);
    width: 130px; flex-shrink: 0; flex-grow: 0; text-align: center;
}
.c-hours-num { font-family: 'Poppins', sans-serif; font-size: 22px; font-weight: 800; color: var(--black); line-height: 1.2; }
.c-hours-unit { font-size: 11px; color: var(--gray-400); font-weight: 400; margin-bottom: 8px; }
.c-hours-period { font-size: 12px; color: var(--gray-500); font-weight: 330; line-height: 1.6; }
.c-hours-period i { color: var(--gray-300); margin-right: 4px; font-size: 10px; }

.c-price-actions {
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    padding: 18px 20px; border-left: 1px solid var(--gray-100);
    width: 165px; flex-shrink: 0; flex-grow: 0; text-align: center; gap: 10px;
}
.price-wrap { display: flex; align-items: baseline; gap: 3px; }
.price-num { font-family: 'Poppins', sans-serif; font-size: 20px; font-weight: 800; color: var(--black); }
.price-won { font-size: 12px; color: var(--gray-500); font-weight: 400; }
.price-note { font-size: 11px; color: var(--gray-400); font-weight: 330; }
.apply-btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 5px;
    padding: 9px 18px; background: var(--black); color: var(--white);
    font-size: 12px; font-weight: 600; text-decoration: none;
    border: 1px solid var(--black); transition: var(--transition-fast);
    letter-spacing: 0.3px; white-space: nowrap; width: 100%;
}
.apply-btn:hover, .course-row:hover .apply-btn { background: var(--accent); border-color: var(--accent); }
.preview-btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 5px;
    padding: 7px 18px; background: transparent; color: var(--gray-600);
    font-size: 12px; font-weight: 500; text-decoration: none;
    border: 1px solid var(--gray-200); transition: var(--transition-fast);
    letter-spacing: 0.3px; white-space: nowrap; width: 100%;
    cursor: pointer; font-family: inherit;
}
.preview-btn:hover { border-color: var(--gray-500); color: var(--black); }

/* ===== COURSE GRID VIEW ===== */
.grid-view { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.grid-card { background: var(--white); cursor: pointer; transition: var(--transition); display: flex; flex-direction: column; }
.grid-card:hover { transform: translateY(-6px); box-shadow: 0 16px 48px rgba(0,0,0,0.12); }
.grid-thumb { width: 100%; aspect-ratio: 16/9; position: relative; overflow: hidden; }
.grid-thumb-bg {
    width: 100%; height: 100%;
    display: flex; align-items: center; justify-content: center;
    color: var(--white); font-size: 16px; font-weight: 700; text-align: center;
    padding: 18px; line-height: 1.4; transition: transform 0.4s ease;
    background-size: cover; background-position: center;
}
.grid-card:hover .grid-thumb-bg { transform: scale(1.05); }
.grid-badges { position: absolute; top: 6px; left: 6px; display: flex; gap: 4px; flex-wrap: wrap; }
.grid-body { padding: 16px 18px 18px; display: flex; flex-direction: column; flex: 1; }
.grid-cat { font-size: 13px; font-weight: 600; color: var(--accent); letter-spacing: 1px; text-transform: uppercase; margin-bottom: 6px; }
.grid-title { font-size: 18px; font-weight: 700; color: var(--black); line-height: 1.5; margin-bottom: 4px; transition: var(--transition-fast); min-height: 42px; }
.grid-card:hover .grid-title { color: var(--accent); }
.grid-instructor { font-size: 14px; color: var(--gray-500); margin-bottom: 10px; }
.grid-meta { font-size: 14px; color: var(--gray-600); line-height: 1.8; margin-bottom: 12px; }
.grid-meta i { color: var(--gray-300); margin-right: 5px; width: 13px; }
.grid-bottom { display: flex; justify-content: space-between; align-items: center; padding-top: 10px; border-top: 1px solid var(--gray-100); margin-top: auto; }
.grid-price { font-family: 'Poppins', sans-serif; font-size: 18px; font-weight: 800; color: var(--black); }
.grid-actions { display: flex; gap: 6px; }
.grid-preview-btn { font-size: 11px; font-weight: 500; color: var(--gray-500); text-decoration: none; display: flex; align-items: center; gap: 4px; transition: var(--transition-fast); padding: 5px 10px; border: 1px solid var(--gray-200); background: none; cursor: pointer; font-family: inherit; }
.grid-preview-btn:hover { color: var(--black); border-color: var(--gray-500); }
.grid-apply-btn { font-size: 11px; font-weight: 600; color: var(--white); text-decoration: none; display: flex; align-items: center; gap: 4px; transition: var(--transition-fast); padding: 5px 10px; background: var(--black); }
.grid-apply-btn:hover { background: var(--accent); }

.hidden { display: none !important; }

/* ===== NO RESULTS ===== */
.no-results { padding: 80px 40px; text-align: center; background: var(--white); }
.no-results i { font-size: 40px; color: var(--gray-300); margin-bottom: 20px; display: block; }
.no-results p { font-size: 15px; color: var(--gray-500); font-weight: 330; }

/* ===== PAGINATION ===== */
.pagination-wrap { margin-top: 48px; display: flex; align-items: center; justify-content: center; gap: 4px; }
.page-btn { width: 40px; height: 40px; display: flex; align-items: center; justify-content: center; border: 1px solid var(--gray-200); background: var(--white); font-family: 'Poppins', sans-serif; font-size: 13px; font-weight: 500; color: var(--gray-500); cursor: pointer; transition: var(--transition-fast); text-decoration: none; }
.page-btn:hover { border-color: var(--black); color: var(--black); }
.page-btn.active { background: var(--black); border-color: var(--black); color: var(--white); }
.page-ellipsis { width: 40px; height: 40px; display: flex; align-items: center; justify-content: center; font-size: 13px; color: var(--gray-400); }

/* ===== CTA BANNER ===== */
.cta-banner { background: var(--dark); padding: 80px 0; position: relative; overflow: hidden; }
.cta-banner::before { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse at center, rgba(232,97,60,0.07) 0%, transparent 60%); }
.cta-banner .container { position: relative; z-index: 2; text-align: center; }
.cta-label { font-family: 'Poppins', sans-serif; font-size: 11px; font-weight: 600; letter-spacing: 4px; text-transform: uppercase; color: var(--accent); margin-bottom: 18px; }
.cta-banner h2 { font-size: 34px; font-weight: 800; color: var(--white); line-height: 1.35; margin-bottom: 12px; letter-spacing: -0.5px; }
.cta-banner h2 .dot { color: var(--accent); }
.cta-banner p { font-size: 15px; color: rgba(255,255,255,0.72); font-weight: 340; margin-bottom: 36px; }
.cta-btns { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; }
.cta-primary { display: inline-flex; align-items: center; gap: 8px; padding: 16px 40px; background: var(--accent); color: var(--white); text-decoration: none; font-size: 14px; font-weight: 600; transition: var(--transition); font-family: 'Noto Sans KR', sans-serif; }
.cta-primary:hover { background: var(--accent-hover); transform: translateY(-2px); }
.cta-outline { display: inline-flex; align-items: center; gap: 8px; padding: 16px 40px; border: 1px solid rgba(255,255,255,0.2); color: rgba(255,255,255,0.75); text-decoration: none; font-size: 14px; font-weight: 400; transition: var(--transition); font-family: 'Noto Sans KR', sans-serif; }
.cta-outline:hover { background: rgba(255,255,255,0.06); border-color: rgba(255,255,255,0.4); color: var(--white); }

/* ===== RESPONSIVE ===== */
@media (max-width: 1200px) {
    .grid-view { grid-template-columns: repeat(2, 1fr); }
    .hero-slide-title { font-size: 28px; }
}
@media (max-width: 1024px) {
    /* .hero-slide/.hero-carousel가 position:absolute;inset:0라서 height:auto인 .page-hero의
       실제 높이 계산에 기여하지 못함 — min-height가 실제 콘텐츠보다 작으면 하단(가격 등)이
       overflow:hidden에 잘림. gongae.css와 동일 사유로 여유 있게 상향. */
    .page-hero { height: auto; min-height: 560px; }
    .hero-slide-inner { padding: 0 20px; }
    /* 세로 패딩을 없애 콘텐츠를 진짜 중앙으로 옮기면서, 항상 화면 중앙(50%)에 고정된
       좌우 화살표와 겹치게 됐다 — 이 폭부터는 화살표를 숨긴다(768px 이하는 이미 숨김 처리돼 있었음). */
    .hero-arrow { display: none !important; }
}
@media (max-width: 768px) {
    /* 768px 이하에서는 헤더가 로고+햄버거뿐인 60px 투명 바라 텍스트 겹침 위험이 낮고,
       사용자가 보기엔 헤더까지 포함한 히어로 전체가 하나의 배경이라 상하 중앙에
       맞춰야 균형있게 보임(데스크톱의 150px 여백은 이 폭에서는 과함) — 0으로 해제. */
    .hero-slide { padding-top: 0; }
    .hero-slide-inner { padding: 0 20px; }
    .hero-slide-title { font-size: 24px; }
    .hero-slide-price { font-size: 22px; }
    .c-thumb { width: 100%; min-height: 130px; }
    .course-row { flex-wrap: wrap; }
    .c-hours, .c-price-actions { flex: 1; min-width: 120px; }
    .c-hours { display: none; }
    .list-view { display: none !important; }
    .grid-view { display: grid !important; grid-template-columns: 1fr; }
    .view-toggle { display: none; }
    .grid-badges { display: none; }
    .c-badges { display: none; }
    .grid-price { font-size: 14px; }
    .grid-thumb-bg { font-size: 12px !important; }
    .cat-group-bar {
        flex-wrap: nowrap;
        overflow-x: auto;
        scrollbar-width: none;
        -ms-overflow-style: none;
        -webkit-overflow-scrolling: touch;
        padding-right: 8px;
    }
    .cat-group-bar::-webkit-scrollbar { display: none; }
    .filter-row .search-wrap { max-width: 100%; flex: 1; }
    .c-meta-mobile { display: flex; align-items: center; gap: 10px; font-size: 12px; color: var(--gray-500); margin-top: 6px; flex-wrap: nowrap; }
    .c-meta-mobile span { display: flex; align-items: center; gap: 4px; white-space: nowrap; }
    .c-meta-mobile i { color: var(--accent); font-size: 11px; }
}