/*
 * MU:N munbunyang — base.css
 * 공통 기본 CSS (reset · 변수 · 스크롤바 · 폰트 · 레이아웃 · 접근성)
 */

/* ============================================================
   Reset & 기본
   ============================================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --mun-header-h:    80px;
  --mun-header-h-mo: 60px;
  --mun-transition:  0.3s ease;
  --mun-radius:      6px;
  --mun-radius-lg:   12px;
  --mun-shadow:      0 2px 12px rgba(0,0,0,0.08);
  --mun-shadow-lg:   0 6px 32px rgba(0,0,0,0.14);
  --mun-max-w:       1200px;
  --mun-side-pad:    40px;
  --mun-side-pad-mo: 20px;
  --mun-section-py:  80px;
  --mun-section-py-mo: 48px;
}

/* ============================================================
   스크롤바
   ============================================================ */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: #f1f1f1;
}
::-webkit-scrollbar-thumb {
  background: #ccc;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #aaa;
}

/* ============================================================
   폰트 기본
   ============================================================ */
html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: 'Pretendard', 'Noto Sans KR', 'Apple SD Gothic Neo', sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  color: #222;
  background: #fff;
  word-break: keep-all;
  overflow-wrap: break-word;
}

/* ============================================================
   이미지 반응형
   ============================================================ */
img, video, iframe {
  max-width: 100%;
  height: auto;
  display: block;
}

/* ============================================================
   섹션 공통 여백
   ============================================================ */
.mun-section {
  padding: var(--mun-section-py) 0;
}
.mun-inner {
  max-width: var(--mun-max-w);
  margin: 0 auto;
  padding: 0 var(--mun-side-pad);
}

@media (max-width: 768px) {
  .mun-section {
    padding: var(--mun-section-py-mo) 0;
  }
  .mun-inner {
    padding: 0 var(--mun-side-pad-mo);
  }
}

/* ============================================================
   버튼 기본
   ============================================================ */
.mun-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 12px 28px;
  border: 1px solid transparent;
  border-radius: var(--mun-radius);
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1;
  text-decoration: none;
  cursor: pointer;
  transition: background var(--mun-transition), color var(--mun-transition),
              border-color var(--mun-transition), box-shadow var(--mun-transition);
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}
.mun-btn:focus-visible {
  outline: 3px solid var(--a1, #0077cc);
  outline-offset: 2px;
}
.mun-btn--primary {
  background: var(--a1, #0077cc);
  color: var(--a1t, #fff);
  border-color: var(--a1, #0077cc);
}
.mun-btn--primary:hover {
  filter: brightness(1.1);
}
.mun-btn--outline {
  background: transparent;
  color: var(--a1, #0077cc);
  border-color: var(--a1, #0077cc);
}
.mun-btn--outline:hover {
  background: var(--a1, #0077cc);
  color: var(--a1t, #fff);
}

/* ============================================================
   접근성
   ============================================================ */
/* 화면 낭독기 전용 텍스트 */
.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;
}

/* 포커스 링 통합 */
:focus-visible {
  outline: 3px solid var(--a1, #0077cc);
  outline-offset: 2px;
}

/* 키보드 전용 Skip Navigation */
.skip-nav {
  position: absolute;
  top: -100%;
  left: 0;
  padding: 10px 20px;
  background: var(--a1, #0077cc);
  color: #fff;
  font-weight: 700;
  z-index: 10000;
  transition: top 0.2s;
}
.skip-nav:focus {
  top: 0;
}

/* 모션 감소 설정 존중 */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ── 섹션 블록 공통 (_block-renderer.php) ───────────────────────────── */
.mun-blk-title {
  font-size: clamp(18px, 2vw, 24px);
  font-weight: 700;
  color: #111827;
  line-height: 1.4;
  margin: 0 0 12px;
}
.mun-blk-subtitle {
  font-size: clamp(13px, 1.4vw, 15px);
  color: #4b5563;
  line-height: 1.8;
  margin: 0 0 16px;
}
.mun-blk-image {
  margin: 0 0 20px;
  line-height: 0;
}
.mun-blk-image img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--mun-radius, 6px);
}
.mun-blk-image__caption {
  text-align: center;
  font-size: 13px;
  color: #6b7280;
  padding: 8px 0 0;
  line-height: 1.5;
}

/* ── 섹션 블록 슬라이드 (mun-blk-slide) ────────────────────────────── */
.mun-blk-slide {
  width: 100%;
  margin: 0 0 24px;
  overflow: hidden;
  border-radius: var(--mun-radius, 6px);
}
.mun-blk-slide .swiper-slide img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}
.mun-blk-slide__caption {
  text-align: center;
  padding: 10px 12px 4px;
  font-size: 13px;
  color: #4b5563;
  line-height: 1.5;
  background: #fff;
  margin: 0;
}
.mun-blk-slide .swiper-button-prev,
.mun-blk-slide .swiper-button-next {
  color: var(--mun-point, #1e3a8a);
}
.mun-blk-slide .swiper-pagination-bullet-active {
  background: var(--mun-point, #1e3a8a);
}
@media (max-width: 768px) {
  .mun-blk-slide .swiper-button-prev,
  .mun-blk-slide .swiper-button-next {
    width: 32px;
    height: 32px;
  }
  .mun-blk-slide .swiper-button-prev::after,
  .mun-blk-slide .swiper-button-next::after {
    font-size: 14px;
  }
  .mun-blk-title  { font-size: 16px; margin-bottom: 8px; }
  .mun-blk-subtitle { font-size: 13px; }
}
@media (max-width: 480px) {
  .mun-blk-slide .swiper-button-prev,
  .mun-blk-slide .swiper-button-next { display: none; }
  .mun-blk-slide__caption { font-size: 12px; padding: 8px 10px 4px; }
}

/* ── Scroll Reveal (mun-scroll.js basic 모드) ────────────────────────── */
.mun-reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.mun-reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.mun-reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.mun-reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.mun-reveal-left.is-visible,
.mun-reveal-right.is-visible {
  opacity: 1;
  transform: translateX(0);
}
@media (prefers-reduced-motion: reduce) {
  .mun-reveal,
  .mun-reveal-left,
  .mun-reveal-right {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ── data-gsap 초기 상태 (sectionObserver / gsapObserver 공용) ────────── */
[data-gsap] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
[data-gsap].is-visible {
  opacity: 1;
  transform: none;
}
@media (prefers-reduced-motion: reduce) {
  [data-gsap] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}
/* 모바일: data-gsap 애니메이션 비활성화 (즉시 표시) */
@media (max-width: 768px) {
  [data-gsap] {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}
/* 서브페이지: data-gsap 즉시 표시 (snap scroll 없음, observer 지연 방지) */
body[data-page="sub"] [data-gsap],
body[data-page="sub"] .mun-reveal,
body[data-page="sub"] .mun-reveal-left,
body[data-page="sub"] .mun-reveal-right {
  opacity: 1 !important;
  transform: none !important;
  transition: opacity 0.4s ease, transform 0.4s ease;
}