/* sections/program-showcase — 탭형 캐러셀. 허브 페이지에서 하위 프로그램 안내용.
   탭 · 슬라이드 · 프리비/다음 · 도트 · 카운터 · 자동 슬라이드. */

.program-showcase { padding-block: var(--space-24); }
.program-showcase__wrap {
  max-width: var(--wrap-wide);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

/* ── Header ─ */
.program-showcase__header {
  text-align: center;
  margin-bottom: var(--space-12);
}
.program-showcase__header .eyebrow {
  justify-content: center;
  margin-bottom: var(--space-3);
}
.program-showcase__lead {
  margin: var(--space-4) auto 0;
  max-width: 560px;
  color: var(--color-muted);
  line-height: 1.6;
  font-size: var(--type-base);
}

/* ── Tab bar ─ */
.program-showcase__tabs {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-2);
  margin-bottom: var(--space-12);
}
.program-showcase__tab {
  padding: 10px 20px;
  font-size: var(--type-sm);
  font-weight: 600;
  color: var(--color-muted);
  background: var(--color-bg);
  border: 1px solid var(--color-border-strong);
  border-radius: 999px;
  cursor: pointer;
  transition: background var(--motion-fast) var(--ease-out),
              color var(--motion-fast) var(--ease-out),
              border-color var(--motion-fast) var(--ease-out);
}
.program-showcase__tab:hover {
  border-color: var(--color-text);
  color: var(--color-text);
}
.program-showcase__tab.is-active {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}
.program-showcase__tab-divider {
  width: 1px;
  align-self: stretch;
  margin: var(--space-1) var(--space-2);
  background: var(--color-border);
}

/* ── Viewport + Slides ─ */
.program-showcase__viewport {
  position: relative;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-bg);
  overflow: hidden;
}
.program-showcase__slide[hidden] { display: none; }
.program-showcase__slide {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  padding: var(--space-8);
  animation: programFadeIn var(--motion-base) var(--ease-out);
}
@media (min-width: 900px) {
  .program-showcase__slide {
    grid-template-columns: 1fr 1.1fr;
    gap: var(--space-16);
    padding: var(--space-16);
    align-items: center;
  }
}

@keyframes programFadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: none; }
}
@media (prefers-reduced-motion: reduce) {
  .program-showcase__slide { animation: none; }
}

/* ── Slide Content ─ */
.program-showcase__num {
  font-family: var(--font-mono);
  font-size: 44px;
  font-weight: 300;
  color: var(--color-accent);
  margin: 0;
  line-height: 1;
  opacity: 0.85;
}
.program-showcase__title {
  font-size: var(--type-xl);
  font-weight: 700;
  color: var(--color-text);
  margin: var(--space-3) 0 0;
  letter-spacing: -0.01em;
  line-height: 1.2;
  word-break: keep-all;
}
.program-showcase__divider {
  width: 32px;
  height: 2px;
  background: var(--color-accent);
  margin: var(--space-4) 0;
}
.program-showcase__desc {
  margin: 0 0 var(--space-6);
  font-size: var(--type-base);
  line-height: 1.6;
  color: var(--color-muted);
  word-break: keep-all;
}
.program-showcase__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin: 0 0 var(--space-6);
  padding: 0;
  list-style: none;
}
.program-showcase__tag {
  padding: 6px 12px;
  font-size: var(--type-xs);
  font-weight: 500;
  color: var(--color-muted);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 999px;
}
.program-showcase__recommend {
  padding: var(--space-3) var(--space-4);
  margin: 0 0 var(--space-6);
  font-size: var(--type-sm);
  line-height: 1.5;
  color: var(--color-text);
  background: var(--color-accent-soft);
  border-left: 3px solid var(--color-accent);
  border-radius: var(--radius-sm);
  word-break: keep-all;
}
.program-showcase__recommend strong {
  color: var(--color-accent-hover);
  font-weight: 600;
  margin-right: var(--space-1);
}
.program-showcase__cta { align-self: flex-start; }

/* ── Visual (placeholder splash; 이미지 교체 가능) ─ */
.program-showcase__visual {
  position: relative;
  aspect-ratio: 4/3;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-surface);
}
@media (min-width: 900px) {
  .program-showcase__visual { aspect-ratio: 3/2; }
}
.program-showcase__visual img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  cursor: zoom-in;
  transition: transform .2s ease;
}
.program-showcase__visual img:hover { transform: scale(1.015); }
.program-showcase__visual img:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* ── 전역 Lightbox (program-showcase-lightbox.js와 페어) ─ */
.ps-lightbox {
  /* 화면 정중앙 고정 — dialog 기본 positioning 오버라이드 */
  position: fixed;
  inset: 0;
  margin: auto;
  padding: 0;
  border: 0;
  max-width: 94vw;
  max-height: 94vh;
  width: max-content;
  height: max-content;
  background: transparent;
  overflow: visible;
  /* flex로 내부 요소 중앙 정렬 */
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
}
.ps-lightbox[open] { display: flex; }
.ps-lightbox:not([open]) { display: none; }
.ps-lightbox::backdrop {
  background: rgba(10, 14, 26, 0.9);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
.ps-lightbox__img {
  display: block;
  max-width: 92vw;
  max-height: 82vh;
  width: auto;
  height: auto;
  border-radius: var(--radius-md);
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
  background: #fff;
}

/* X 닫기 버튼 — 뷰포트 top-right 고정 · 항상 명시적 */
.ps-lightbox__close {
  position: fixed;
  top: var(--space-5);
  right: var(--space-5);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 2px solid rgba(250,248,244,0.5);
  background: rgba(10, 14, 26, 0.6);
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .15s ease, border-color .15s ease, transform .15s ease;
  z-index: 10;
  box-shadow: 0 4px 16px rgba(0,0,0,0.4);
}
.ps-lightbox__close:hover,
.ps-lightbox__close:focus-visible {
  background: rgba(250,248,244,0.18);
  border-color: #fff;
  transform: scale(1.08);
  outline: none;
}
.ps-lightbox__close svg {
  width: 22px;
  height: 22px;
  stroke-width: 2.4;
}

.ps-lightbox__caption {
  margin: 0;
  color: rgba(250,248,244,0.9);
  font-size: var(--type-sm);
  text-align: center;
  font-weight: 500;
  max-width: 92vw;
  text-shadow: 0 1px 4px rgba(0,0,0,0.5);
}

@media (max-width: 720px) {
  .ps-lightbox__close {
    top: var(--space-3);
    right: var(--space-3);
    width: 44px;
    height: 44px;
  }
}
.program-showcase__placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  background:
    radial-gradient(circle at 30% 20%, var(--color-accent-soft) 0%, transparent 55%),
    radial-gradient(circle at 70% 80%, var(--color-surface-2) 0%, transparent 50%),
    var(--color-surface);
}
.program-showcase__placeholder::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, transparent 40%, rgba(184, 92, 46, 0.08) 100%);
  pointer-events: none;
}
.program-showcase__placeholder-num {
  font-family: var(--font-mono);
  font-size: 96px;
  font-weight: 200;
  color: var(--color-accent);
  line-height: 1;
  opacity: 0.55;
  z-index: 1;
}
.program-showcase__placeholder-label {
  font-family: var(--font-mono);
  font-size: var(--type-xs);
  font-weight: 500;
  color: var(--color-muted);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  z-index: 1;
}

/* ── Controls ─ */
.program-showcase__controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  margin-top: var(--space-12);
}
@media (min-width: 900px) {
  .program-showcase__controls { margin-top: var(--space-16); }
}
.program-showcase__arrow {
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border-strong);
  border-radius: 999px;
  background: var(--color-bg);
  color: var(--color-text);
  cursor: pointer;
  transition: background var(--motion-fast) var(--ease-out),
              border-color var(--motion-fast) var(--ease-out);
}
.program-showcase__arrow:hover {
  background: var(--color-surface);
  border-color: var(--color-text);
}
.program-showcase__arrow svg { width: 18px; height: 18px; }

.program-showcase__dots {
  display: flex;
  gap: var(--space-2);
  align-items: center;
}
.program-showcase__dot {
  width: 8px;
  height: 8px;
  padding: 0;
  border: 0;
  border-radius: 999px;
  background: var(--color-border-strong);
  cursor: pointer;
  transition: background var(--motion-fast) var(--ease-out),
              width var(--motion-fast) var(--ease-out);
}
.program-showcase__dot.is-active {
  background: var(--color-accent);
  width: 24px;
}

.program-showcase__counter {
  font-family: var(--font-mono);
  font-size: var(--type-sm);
  color: var(--color-muted);
  margin-left: var(--space-2);
  letter-spacing: 0.02em;
}
.program-showcase__counter-current { color: var(--color-text); font-weight: 500; }