/* ========================================
   SECTION 04: 인기 교육과정 (탭 + 카드)
   ✦ 클린 카드 + 골드 액센트
======================================== */

/* ───── 탭 ───── */
.course-tabs { display: flex; justify-content: center; gap: 10px; margin-bottom: 48px; flex-wrap: wrap; }
.tab {
    padding: 11px 28px;
    border: 1.5px solid var(--border);
    border-radius: 40px;
    font-size: 16px; font-weight: 600; color: var(--text-3);
    transition: var(--transition);
    background: #fff;
}
.tab:hover { border-color: var(--point); color: var(--point); background: var(--primary-bg); }
.tab.active {
    background: var(--point);
    border-color: var(--point); color: #fff;
    box-shadow: var(--shadow-primary);
    font-weight: 700;
}

/* ───── 그리드 (가로형 2컬럼) ───── */
.course-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; max-width: 100%; margin: 0 auto; }
.c-card { display: grid; grid-template-columns: 240px 1fr; }
.c-card .c-card-img { height: 100%; min-height: 200px; }
.c-card .c-card-body { display: flex; flex-direction: column; justify-content: center; }

/* 자격증과정 가로형 2컬럼 */
#certCoursesSection .course-grid { grid-template-columns: repeat(2, 1fr); max-width: 100%; gap: 20px; }
#certCoursesSection .c-card { display: grid; grid-template-columns: 240px 1fr; }
#certCoursesSection .c-card-img { height: 100%; min-height: 200px; }
#certCoursesSection .c-card-body { display: flex; flex-direction: column; justify-content: center; padding: 24px 28px; }

/* ───── 카드 ───── */
.c-card {
    background: #fff;
    border-radius: var(--radius);
    overflow: hidden;
    border: none;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}
.c-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.c-card-img { position: relative; height: 180px; overflow: hidden; }
.c-card-thumb {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform .5s cubic-bezier(.16,1,.3,1);
}
.c-card:hover .c-card-thumb { transform: scale(1.05); }
/* 하위호환: c-card-visual */
.c-card-visual {
    width: 100%; height: 100%;
    background: linear-gradient(135deg, var(--g1), var(--g2));
    display: flex; align-items: center; justify-content: center;
    font-size: 40px; color: rgba(255,255,255,.25);
    transition: transform .5s cubic-bezier(.16,1,.3,1);
}
.c-card:hover .c-card-visual { transform: scale(1.05); }

.c-badge {
    position: absolute; top: 14px; left: 14px;
    padding: 5px 12px; border-radius: 7px;
    font-size: 16px; font-weight: 800; letter-spacing: .5px;
}
.c-badge--hot { background: var(--danger); color: #fff; }
.c-badge--new { background: var(--point); color: #fff; }
.c-badge--best { background: var(--point-dark); color: #fff; }

.c-wish {
    position: absolute; top: 14px; right: 14px;
    width: 36px; height: 36px; border-radius: 50%;
    background: rgba(255,255,255,.9); backdrop-filter: blur(8px);
    display: flex; align-items: center; justify-content: center;
    font-size: 17px; color: var(--text-3);
    transition: var(--transition); border: none;
}
.c-wish:hover { color: var(--danger); transform: scale(1.12); }
.c-wish.liked i { font-weight: 900; color: var(--danger); }

.c-card-overlay {
    position: absolute; inset: 0;
    background: rgba(10,22,40,.4);
    display: flex; align-items: center; justify-content: center;
    opacity: 0; transition: var(--transition);
}
.c-card:hover .c-card-overlay { opacity: 1; }

/* 카드 본문 */
.c-card-body { padding: 20px 24px; }
.c-card-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.c-category { font-size: 16px; font-weight: 700; color: var(--point); letter-spacing: .3px; text-transform: uppercase; }
.c-level { font-size: 17px; color: var(--text-3); font-weight: 500; }
.c-title {
    font-size: 20px; font-weight: 700; color: var(--text);
    line-height: 1.45; margin-bottom: 10px;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
    min-height: 44px;
}
.c-info-line {
    display: flex; align-items: center; gap: 8px;
    margin-bottom: 14px; font-size: 16px; color: var(--text-3); font-weight: 500;
    flex-wrap: wrap;
}
.c-info-line .stars-bar { flex-shrink: 0; }
.c-info-line .c-rating-num { font-size: 16px; font-weight: 700; color: var(--point); margin-right: 4px; }
.c-info-line .c-info-sep { color: var(--text-3); font-size: 16px; }

/* 기존 c-meta/c-rating 하위호환 */
.c-meta { display: flex; gap: 14px; margin-bottom: 8px; font-size: 17px; color: var(--text-3); font-weight: 500; }
.c-meta i { margin-right: 4px; color: var(--border); }
.c-rating { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; }
.c-rating span { font-size: 16px; font-weight: 700; color: var(--point); }

.c-price {
    display: flex; align-items: center; justify-content: space-between;
    padding-top: 14px; border-top: 1px solid var(--border-light);
}
.c-price-left { display: flex; align-items: center; gap: 10px; }
.c-discount {
    padding: 3px 10px; border-radius: 6px;
    background: var(--danger-bg); color: var(--danger);
    font-size: 16px; font-weight: 800;
}
.c-final { font-size: 18px; font-weight: 900; color: var(--text); }
.c-final small { font-size: 16px; font-weight: 600; }
.c-original { font-size: 17px; color: var(--text-3); }

/* ───── 자격증 뱃지 ───── */
.c-badge-cert {
    position: absolute; top: 14px; right: 56px;
    padding: 5px 10px; border-radius: 7px;
    font-size: 16px; font-weight: 800; letter-spacing: .3px;
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: #fff;
    display: flex; align-items: center; gap: 4px;
}
.c-badge-cert i { font-size: 16px; }

/* ───── 자격증 등록번호 ───── */
.c-cert-no {
    font-size: 17px;
    font-weight: 600;
    color: var(--point);
    margin-bottom: 8px;
    opacity: .8;
    font-family: 'Pretendard', monospace;
}

/* ───── 반응형: 모바일에서는 세로형 1컬럼 ───── */
@media (max-width: 768px) {
    .course-grid { grid-template-columns: 1fr; }
    .c-card { grid-template-columns: 1fr; }
    .c-card .c-card-img { min-height: 180px; }
    #certCoursesSection .course-grid { grid-template-columns: 1fr; }
    #certCoursesSection .c-card { grid-template-columns: 1fr; }
}