/* ==========================================================================
   하위 페이지: 사례 상세 / 교육
   ========================================================================== */

/* ---------- 사례 상세 ---------- */
.case-head { display: grid; gap: 14px; }
.case-head .chips { display: flex; flex-wrap: wrap; gap: 6px; }
.case-head .lead { margin-top: 4px; }
.case-title { font-size: clamp(1.6rem, 4.6vw, 2.5rem); }
.page-head--case { padding-bottom: 24px; }
@media (min-width: 1024px) { .page-head--case { padding-bottom: 32px; } }
.case-info { display: flex; flex-wrap: wrap; gap: 4px 14px; font-size: 14.5px; color: var(--muted); }
.case-info a { color: var(--blue); font-weight: 600; }
.case-photos { display: grid; gap: 16px; margin-top: 32px; }
.photo-cols { display: grid; gap: 24px; }
@media (min-width: 900px) { .photo-cols { grid-template-columns: 1fr 1fr; gap: 28px; } .photo-cols .gal-grid { grid-template-columns: repeat(2, 1fr); } }
.gal h2 .chip { font-size: 13px; }
.case-text { padding-top: 64px; }

/* 한눈에 비교 — 회색 배경 섹션 */
.cmp-section { background: var(--soft); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 32px 0 40px; }
@media (min-width: 1024px) { .cmp-section { padding: 48px 0 56px; } .cmp-section .cmp-box { max-width: 1040px; margin: 0 auto; } }
.cmp-side figure button { display: block; width: 100%; height: 100%; }
.cmp-side .tag { position: absolute; top: 10px; left: 10px; }

/* 작업 사진 — 흰 배경 섹션, 전·과정·후 모두 펼침 */
.photos-section { padding: 48px 0 8px; }
@media (min-width: 1024px) { .photos-section { padding: 72px 0 16px; } }
.photos-head { display: grid; gap: 6px; margin-bottom: 24px; padding-bottom: 16px; border-bottom: 1px solid var(--ink); }
.photos-head .muted { font-size: 14.5px; }
#photo-groups { display: grid; gap: 32px; }
.gal-title { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.gal-title .tag { font-size: 14px; padding: 5px 12px; }
.gal-title .cnt { font-size: 14px; font-weight: 600; color: var(--muted); }
@media (min-width: 900px) { #photo-groups .gal-grid { grid-template-columns: repeat(4, 1fr); } }

/* 마무리 아래 복원 완료 사진 */
.final-shot { display: grid; gap: 10px; }
.final-shot button { display: block; width: 100%; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.final-shot img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; transition: transform 0.8s var(--ease); }
.final-shot button:hover img { transform: scale(1.02); }
.final-shot figcaption { display: flex; align-items: center; gap: 10px; font-size: 14px; color: var(--muted); }
.final-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: -16px; }
@media (min-width: 640px) { .final-pair { gap: 14px; } }
.final-pair figure { position: relative; }
.final-pair button { display: block; width: 100%; border-radius: var(--radius-sm); overflow: hidden; }
.final-pair img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; transition: transform 0.8s var(--ease); }
.final-pair button:hover img { transform: scale(1.03); }
.final-pair .tag { position: absolute; top: 10px; left: 10px; pointer-events: none; }
.case-text .story > .lead { margin-bottom: -8px; }
.story-sec h2 { font-family: var(--serif); font-weight: 600; }

.cmp-tools { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 14px; flex-wrap: wrap; }
.cmp-tools h2 { font-size: 18px; font-weight: 800; }
.cmp-side { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.cmp-side figure { position: relative; border-radius: var(--radius-sm); overflow: hidden; aspect-ratio: 4 / 3; background: #eef1f6; }
.cmp-side img { width: 100%; height: 100%; object-fit: cover; }
.cmp-side .chip { position: absolute; top: 10px; left: 10px; }
.cmp-box .ba { border-radius: var(--radius); }
.cmp-box[data-mode="side"] .ba { display: none; }
.cmp-box[data-mode="slider"] .cmp-side { display: none; }

.case-layout { display: grid; gap: 48px; }
@media (min-width: 1024px) { .case-layout { grid-template-columns: minmax(0, 1fr) 340px; gap: 56px; align-items: start; } }
.case-aside { display: grid; gap: 16px; }
@media (min-width: 1024px) { .case-aside { position: sticky; top: calc(var(--header-h) + 24px); } }
.summary-box { padding: 24px; border-radius: var(--radius); background: var(--soft); }
.summary-box h2 { font-size: 16px; font-weight: 800; margin-bottom: 12px; }
.summary-box dl { display: grid; grid-template-columns: auto 1fr; gap: 10px 16px; font-size: 14.5px; }
.summary-box dt { color: var(--muted); }
.summary-box dd { margin: 0; font-weight: 600; }
.aside-cta { padding: 24px; border-radius: var(--radius); background: var(--blue); color: #fff; display: grid; gap: 12px; }
.aside-cta h2 { font-size: 18px; font-weight: 800; line-height: 1.45; }
.aside-cta p { font-size: 14px; color: rgba(255, 255, 255, 0.82); }
.share { display: flex; gap: 8px; }
.share button { flex: 1; min-height: 44px; border-radius: 12px; background: #fff; box-shadow: inset 0 0 0 1px var(--line); font-weight: 600; font-size: 14px; display: inline-flex; align-items: center; justify-content: center; gap: 6px; }
.share button:hover { color: var(--blue); }

.toc { display: flex; flex-wrap: wrap; gap: 6px; padding: 18px; border-radius: var(--radius-sm); background: var(--soft); margin-bottom: 8px; }
.toc b { width: 100%; font-size: 14px; margin-bottom: 4px; }
.toc a { font-size: 14px; padding: 4px 10px; border-radius: 999px; background: #fff; box-shadow: inset 0 0 0 1px var(--line); }
.toc a:hover { color: var(--blue); }

.story { display: grid; gap: 40px; }
.story-sec h2 { display: flex; align-items: baseline; gap: 10px; font-size: clamp(1.25rem, 2.8vw, 1.5rem); font-weight: 800; letter-spacing: -0.02em; margin-bottom: 12px; }
.story-sec h2 .n { font-family: var(--font-en); color: var(--blue); font-size: 0.85em; }
.story-sec p { color: var(--ink-2); font-size: 16.5px; line-height: 1.85; }
.story-sec ol { display: grid; gap: 8px; counter-reset: s; }
.story-sec ol li { counter-increment: s; display: flex; gap: 12px; align-items: center; padding: 12px 16px; border-radius: 12px; background: var(--soft); font-weight: 600; }
.story-sec ol li::before { content: counter(s); flex: none; width: 28px; height: 28px; border-radius: 50%; background: var(--blue); color: #fff; display: grid; place-items: center; font-family: var(--font-en); font-size: 13px; }
.story-empty { padding: 20px; border-radius: var(--radius-sm); background: var(--soft); color: var(--muted); font-size: 15px; }

.gal { display: grid; gap: 10px; }
.gal h2 { display: flex; align-items: center; gap: 8px; font-size: 18px; font-weight: 800; }
.gal h2 .cnt { font-family: var(--font-en); font-size: 14px; color: var(--muted); font-weight: 600; }
.gal-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; }
@media (min-width: 640px) { .gal-grid { grid-template-columns: repeat(3, 1fr); } }
.gal-grid button { position: relative; aspect-ratio: 4 / 3; border-radius: 12px; overflow: hidden; background: #eef1f6; }
.gal-grid img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.8s var(--ease); }
.gal-grid button:hover img { transform: scale(1.05); }
details.gal-more { border-radius: var(--radius-sm); box-shadow: inset 0 0 0 1px var(--line); }
details.gal-more summary { list-style: none; cursor: pointer; padding: 16px 18px; font-weight: 700; display: flex; align-items: center; justify-content: space-between; gap: 8px; }
details.gal-more summary::-webkit-details-marker { display: none; }
details.gal-more summary iconify-icon { transition: transform 0.5s var(--ease); font-size: 20px; }
details.gal-more[open] summary iconify-icon { transform: rotate(180deg); }
details.gal-more .gal-grid { padding: 0 12px 12px; }

.related { display: grid; gap: 16px; grid-template-columns: 1fr; }
@media (min-width: 560px) { .related { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1024px) { .related { grid-template-columns: repeat(3, 1fr); } }

/* ---------- 사진 크게 보기 ---------- */
.lb { position: fixed; inset: 0; z-index: 60; background: rgba(8, 12, 24, 0.94); display: flex; flex-direction: column; opacity: 0; visibility: hidden; transition: opacity 0.4s var(--ease), visibility 0s linear 0.4s; touch-action: pan-y; }
.lb.is-open { opacity: 1; visibility: visible; transition: opacity 0.4s var(--ease); }
.lb-top { display: flex; align-items: center; justify-content: space-between; padding: 10px 12px; color: #fff; padding-top: calc(10px + env(safe-area-inset-top, 0px)); }
.lb-top span { font-family: var(--font-en); font-size: 14px; opacity: 0.8; padding-left: 8px; }
.lb-btn { width: 48px; height: 48px; border-radius: 50%; display: grid; place-items: center; color: #fff; font-size: 26px; background: rgba(255, 255, 255, 0.08); }
.lb-stage { flex: 1; display: flex; align-items: center; justify-content: center; position: relative; min-height: 0; padding: 0 8px; }
.lb-stage img { max-width: 100%; max-height: 100%; object-fit: contain; border-radius: 8px; }
/* 화살표는 휴대폰에서도 항상 표시 — 사진 위 양쪽 */
.lb-prev, .lb-next { position: absolute; top: 50%; transform: translateY(-50%); width: 48px; height: 48px; background: rgba(11, 21, 48, 0.62); box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.18); }
.lb-prev { left: 8px; } .lb-next { right: 8px; }
@media (min-width: 900px) { .lb-prev { left: 24px; } .lb-next { right: 24px; } .lb-prev, .lb-next { width: 56px; height: 56px; } }
.lb-where { display: inline-flex; align-items: center; gap: 10px; }
.lb-where .tag { font-size: 13px; }
.lb-cap { color: #c9d1e0; text-align: center; font-size: 13.5px; padding: 10px 16px 6px; }
.lb-jump { display: flex; justify-content: center; gap: 8px; padding: 6px 12px calc(16px + env(safe-area-inset-bottom, 0px)); }
.lb-jump-btn { min-height: 44px; padding: 0 16px; border-radius: 999px; font-size: 14px; font-weight: 700; color: #dfe5f0; box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.25); display: inline-flex; align-items: center; gap: 6px; }
.lb-jump-btn span { font-size: 12px; opacity: 0.7; }
.lb-jump--before[aria-pressed="true"] { background: var(--before); color: var(--before-ink); box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.4); }
.lb-jump--process[aria-pressed="true"] { background: var(--process); color: var(--process-ink); box-shadow: none; }
.lb-jump--after[aria-pressed="true"] { background: var(--after); color: var(--after-ink); box-shadow: none; }

/* ---------- 영상 ---------- */
.video-box { position: relative; aspect-ratio: 16 / 9; border-radius: var(--radius-sm); overflow: hidden; background: #0b1630; }
.video-box iframe, .video-box video { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }

/* ---------- 교육 ---------- */
.edu-hero { padding: calc(var(--header-h) + 48px) 0 72px; background: radial-gradient(60% 60% at 90% 0%, rgba(31, 79, 209, 0.14), transparent 70%), linear-gradient(180deg, #f6f8fd, #fff); }
@media (min-width: 1024px) { .edu-hero { padding: calc(var(--header-h) + 80px) 0 96px; } }
.edu-hero .btn-row { margin-top: 28px; }
.curri { display: grid; gap: 14px; }
@media (min-width: 640px) { .curri { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1024px) { .curri { grid-template-columns: repeat(4, 1fr); gap: 18px; } }
.curri-card { position: relative; overflow: hidden; isolation: isolate; border-radius: var(--radius); padding: 24px; min-height: 260px; display: flex; flex-direction: column; justify-content: flex-end; gap: 10px; box-shadow: inset 0 0 0 1px var(--line); }
.curri-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; }
.curri-card::before { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0.86) 45%, #fff 75%); }
.curri-card h3 { font-size: 1.3rem; font-weight: 800; }
.curri-card ul { display: grid; gap: 4px; font-size: 14.5px; color: var(--ink-2); }
.curri-card li::before { content: "· "; color: var(--blue); font-weight: 800; }
.course-table { width: 100%; border-collapse: separate; border-spacing: 0; border-radius: var(--radius); overflow: hidden; box-shadow: inset 0 0 0 1px var(--line); font-size: 15px; }
.course-table th, .course-table td { padding: 16px 18px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
.course-table thead th { background: var(--soft); font-size: 14px; color: var(--muted); }
.course-table tbody th { width: 28%; font-weight: 700; }
.course-table tr:last-child th, .course-table tr:last-child td { border-bottom: 0; }
.course-table .pro { color: var(--blue); font-weight: 700; }
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; border-radius: var(--radius); }
.table-scroll .course-table { min-width: 560px; }
.edu-cta { display: grid; gap: 18px; justify-items: center; text-align: center; }
.edu-cta .btn-row { justify-content: center; }
.todo { display: inline-block; font-size: 12px; font-weight: 700; color: #8a5a00; background: #fff4d1; padding: 2px 8px; border-radius: 6px; margin-left: 6px; vertical-align: middle; }