/* 공통 틀·유틸리티 */
.container { width: 100%; max-width: var(--container-max); margin-left: auto; margin-right: auto; padding-left: var(--size-wrap-padding); padding-right: var(--size-wrap-padding); }

/* wrap */
.wrap-max { max-width: 1920px; width: 100%; margin: 0 auto; padding-inline: var(--size-wrap-padding); }
.wrap-large { max-width: 1700px; width: 100%; margin: 0 auto; padding-inline: var(--size-wrap-padding); }
.wrap-medium { max-width: 1400px; width: 100%; margin: 0 auto; padding-inline: var(--size-wrap-padding); }
.wrap-small { max-width: 740px; width: 100%; margin: 0 auto; padding-inline: var(--size-wrap-padding); }
.wrap-tiny { max-width: 480px; width: 100%; margin: 0 auto; padding-inline: var(--size-wrap-padding); }

/* text-align */
.text-left { text-align: left !important; }
.text-center { text-align: center !important; }
.text-right { text-align: right !important; }

/* gap */
.gap { display: block; height: 50px; }

/* float */
.float-start { float: left; }
.float-end { float: right; }

/* rwd */
.cf-mo { display: none; }

@media all and (max-width: 767px) {
    .cf-pc { display: none !important; }
    .cf-mo { display: block; }
}

/* iframe 16:9 */
.video-embed { position: relative; width: 100%; height: auto; padding-bottom: 56.25%; }
.video-embed iframe { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }

/* iframe 9:16 */
.video-shorts-embed { position: relative; width: 100%; max-width: 315px; margin: 0 auto; padding-bottom: 177.78%; }
.video-shorts-embed iframe { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }

/* grid */
.grid2, .grid3, .grid4, .grid5 { display: grid; gap: 30px 20px; }
.grid2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }

@media all and (max-width: 1440px) {
    .grid5 { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 30px 15px; }
}

@media all and (max-width: 1023px) {
    .grid4 { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 30px 15px; }
    .grid5 { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 30px 10px; }
}

@media all and (max-width: 767px) {
    .grid3, .grid4 { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 30px 10px; }
}

.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }

/* 섹션 텍스트 — 라벨 · 제목 · 부제 · 구분선 · 본문 (페이지 공통) */
.sec-text { display: flex; flex-direction: column; align-items: flex-start; }
.sec-label { margin: 0 0 16px; font-size: 16px; line-height: 1.4; letter-spacing: 0.04em; text-transform: uppercase; color: var(--color-neutral-4); }
.sec-title { margin: 0 0 10px; font-family: var(--font-point); font-size: 48px; font-weight: 400; line-height: 1.1; color: var(--color-neutral-7); }
.sec-sub { margin: 0; font-size: 20px; font-weight: 300; line-height: 1.2; letter-spacing: 0.06em; color: var(--color-neutral-7); }
.sec-divider { display: block; width: 40px; height: 1px; margin: 40px 0; background-color: var(--color-neutral-7); }
.sec-desc { font-size: 16px; font-weight: 300; line-height: 2.05; color: var(--color-neutral-4); word-break: keep-all; }
.sec-desc p { margin: 0; }
.sec-desc p + p { margin-top: 20px; }
.sec-text .btn-line { margin-top: 48px; }
.sec-img { overflow: hidden; }
.sec-img img { display: block; width: 100%; height: 100%; object-fit: cover; }

@media all and (max-width: 1440px) {
    .sec-label { font-size: 15px; }
    .sec-title { font-size: 40px; }
    .sec-sub { font-size: 18px; }
    .sec-desc { font-size: 15px; }
}

@media all and (max-width: 1023px) {
    .sec-divider { margin: 32px 0; }
    .sec-text .btn-line { margin-top: 40px; }
}

@media all and (max-width: 767px) {
    .sec-label { margin-bottom: 10px; font-size: 14px; text-transform: none; }
    .sec-title { margin-bottom: 6px; font-size: 32px; }
    .sec-sub { font-size: 16px; }
    .sec-divider { width: 30px; margin: 24px 0; }
    .sec-desc { font-size: 14px; line-height: 1.9; }
    .sec-desc p + p { margin-top: 10px; }
    .sec-text .btn-line { margin-top: 28px; }
}

/* 스크롤 등장 애니메이션 — 요소에 .animate-element 를 붙이면 화면에 들어올 때 .view 가 붙어 아래에서 떠오른다 (app.js)
   순서 지연: .ani-delay-1~3 또는 style="--ani-delay: 0.3s" */
@keyframes fadeInUp { from { opacity: 0; transform: translate3d(0, 20px, 0); } to { opacity: 1; transform: translate3d(0, 0, 0); } }
.has-js .animate-element { opacity: 0; transform: translate3d(0, 20px, 0); will-change: transform, opacity; }
.has-js .animate-element.view { animation: fadeInUp 0.7s cubic-bezier(0.4, 0, 0.2, 1) var(--ani-delay, 0s) both; }
.ani-delay-1 { --ani-delay: 0.2s; }
.ani-delay-2 { --ani-delay: 0.4s; }
.ani-delay-3 { --ani-delay: 0.6s; }

@media (prefers-reduced-motion: reduce) {
    .has-js .animate-element, .has-js .animate-element.view { opacity: 1; transform: none; animation: none; }
}

.sec-divider--light { background-color: var(--color-neutral-3); }
.sec-desc-en { margin: 24px 0 0; font-family: var(--font-point); font-size: 18px; line-height: 1.7; color: var(--color-neutral-4); }

@media all and (max-width: 1440px) {
    .sec-desc-en { font-size: 16px; }
}

@media all and (max-width: 767px) {
    .sec-desc-en { margin-top: 14px; font-size: 15px; }
}

/* 서브 상단 비주얼 — 헤더가 위에 겹친다(컨트롤러 headerOverlay) */
.sub-visual { position: relative; display: flex; flex-direction: column; align-items: center; justify-content: center; height: 720px; padding: var(--site-header-height) 20px 0; overflow: hidden; color: var(--color-neutral-1); background-color: var(--color-neutral-7); text-align: center; }
.sub-visual-bg, .sub-visual-bg img { position: absolute; inset: 0; display: block; width: 100%; height: 100%; }
.sub-visual-bg img { object-fit: cover; }
.sub-visual::after { content: ''; position: absolute; inset: 0; background-color: rgba(0, 0, 0, var(--sv-dim, 0.2)); }
.sub-visual-text { position: relative; z-index: 1; display: flex; flex-direction: column; align-items: center; gap: 20px; }
.sub-visual-title { margin: 0; font-family: var(--font-point); font-size: 72px; font-weight: 300; line-height: 1.2; }
.sub-visual-sub { margin: 0; font-size: 20px; font-weight: 300; line-height: 1.4; }

@media all and (max-width: 1440px) {
    .sub-visual { height: 600px; }
    .sub-visual-title { font-size: 56px; }
    .sub-visual-sub { font-size: 18px; }
}

@media all and (max-width: 767px) {
    .sub-visual { height: 420px; }
    .sub-visual::after { background-color: rgba(0, 0, 0, var(--sv-dim-mo, 0.3)); }
    .sub-visual-text { gap: 10px; }
    .sub-visual-title { font-size: 40px; }
    .sub-visual-sub { font-size: 15px; }
}

/* 지그재그 — 사진·글 좌우 번갈아 (메인 Program, About Space 등) */
.zigzag { display: flex; flex-direction: column; gap: 160px; }
.zigzag-item { display: flex; align-items: center; justify-content: space-between; gap: 40px; }
.zigzag-item:nth-child(even) { flex-direction: row-reverse; }
.zigzag-img { flex: 0 0 57.9%; aspect-ratio: 1053 / 700; }
.zigzag-item .sec-text { flex: 0 1 593px; }

@media all and (max-width: 1023px) {
    .zigzag { gap: 100px; }
    .zigzag-item, .zigzag-item:nth-child(even) { flex-direction: column; align-items: stretch; gap: 40px; }
    .zigzag-img, .zigzag-item .sec-text { flex: none; }
}

@media all and (max-width: 767px) {
    .zigzag { gap: 64px; }
    .zigzag-item { gap: 20px; }
}