/* ============================================================
   Graphio for Defense — Industries 전용 스타일
   기존 디자인 토큰(style.css :root) 재사용 / 최소 폰트 16px 준수
   ============================================================ */

/* ----- 히어로 -----
   다른 서브페이지와 동일하게 culture.css의 공통 .page-hero / .page-hero-overlay
   스타일(검정 그라데이션 오버레이)을 그대로 사용한다. 별도 오버라이드 없음. */

/* ----- 인트로 스테이트먼트 (히어로에서 내린 메시지·가운데 정렬) ----- */
.defense-intro {
  padding: 104px 0 96px;
  background: #f7fafd;
}
.defense-intro-inner {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}
.defense-intro-title {
  margin: 0 0 22px;
  font-size: clamp(30px, 4vw, 52px);
  font-weight: 700;
  line-height: 1.22;
  letter-spacing: -0.03em;
  color: var(--color-primary);
  word-break: keep-all;
}
.defense-intro-lead {
  margin: 0 auto;
  max-width: 1180px;
  font-size: var(--fs-lead);
  line-height: var(--lh-lead);
  color: var(--color-muted);
  word-break: keep-all;
}
@media (max-width: 767px) {
  .defense-intro {
    padding: 72px 0;
  }
}

/* ----- 공통 섹션 헤더 ----- */
.defense-section-head {
  max-width: var(--max-width-content);
  margin: 0 auto 52px;
}
.defense-eyebrow {
  margin: 0 0 14px;
  font-size: var(--fs-small);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent-text);
}
.defense-section-title {
  margin: 0 0 14px;
  font-size: clamp(28px, 3.5vw, 44px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.2;
  color: var(--color-primary);
  word-break: keep-all;
}
.defense-section-lead {
  margin: 0;
  max-width: var(--max-width-content);
  font-size: var(--fs-lead);
  line-height: var(--lh-lead);
  color: var(--color-muted);
  word-break: keep-all;
  text-wrap: balance;
}

/* ----- 도전 과제 (3 pillars) ----- */
.defense-challenge {
  padding: 90px 0;
  background: #f7fafd;
}
.defense-pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  max-width: var(--max-width-content);
  margin: 0 auto;
}
.defense-pillar {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 20px;
  padding: 36px 30px;
  text-align: center;
}
.defense-pillar-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 20px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: var(--accent-alpha-10);
  color: var(--color-accent-text);
}
.defense-pillar-icon svg {
  width: 28px;
  height: 28px;
}
.defense-pillar h3 {
  margin: 0 0 12px;
  font-size: var(--fs-h3);
  font-weight: var(--fw-h3);
  color: var(--color-primary);
}
.defense-pillar p {
  margin: 0;
  font-size: var(--fs-small);
  line-height: 1.7;
  color: var(--color-muted);
}

/* ----- 핵심 솔루션 4가지 ----- */
.defense-solutions {
  padding: 100px 0;
  background: #fff;
}
.defense-solution-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  max-width: var(--max-width-content);
  margin: 0 auto;
}
.defense-solution-card {
  position: relative;
  padding: 38px 34px;
  border-radius: 20px;
  background: var(--color-bg-soft);
  border: 1px solid var(--color-border);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.defense-solution-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px -24px rgba(13, 27, 46, 0.35);
  border-color: var(--accent-alpha-40);
}
.defense-solution-num {
  display: block;
  margin-bottom: 16px;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--color-accent-text);
}
.defense-solution-card h3 {
  margin: 0 0 12px;
  font-size: var(--fs-h3);
  font-weight: var(--fw-h3);
  color: var(--color-primary);
}
.defense-solution-card p {
  margin: 0;
  font-size: var(--fs-small);
  line-height: 1.75;
  color: var(--color-sub);
}

/* ----- 작동 원리 3단계 (라이트 그라데이션) ----- */
.defense-how {
  padding: 100px 0;
  background: linear-gradient(180deg, #eff7fd 0%, #ffffff 100%);
}
.defense-steps {
  list-style: none;
  margin: 0 auto;
  padding: 0;
  max-width: var(--max-width-content);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.defense-step {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 20px;
  padding: 34px 28px;
  box-shadow: 0 22px 44px -32px rgba(13, 27, 46, 0.25);
}
.defense-step-num {
  width: 48px;
  height: 48px;
  margin-bottom: 22px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, var(--color-accent), #0066a0);
}
.defense-step-body h3 {
  margin: 0 0 12px;
  font-size: var(--fs-h3);
  font-weight: var(--fw-h3);
  color: var(--color-primary);
}
.defense-step-body p {
  margin: 0;
  font-size: var(--fs-small);
  line-height: 1.75;
  color: var(--color-sub);
}

/* ----- 모비젠 국방 레퍼런스 ----- */
.defense-track {
  padding: 100px 0;
  background: #f7fafd;
}
.defense-track-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: var(--max-width-content);
  margin: 0 auto;
}
.defense-track-item {
  background: #fff;
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-accent);
  border-radius: 20px;
  padding: 32px 28px;
}
.defense-track-item h3 {
  margin: 0 0 12px;
  font-size: var(--fs-h3);
  font-weight: var(--fw-h3);
  color: var(--color-primary);
}
.defense-track-item p {
  margin: 0;
  font-size: var(--fs-small);
  line-height: 1.75;
  color: var(--color-muted);
}

/* ----- CTA (라이트 블루 그라데이션) ----- */
.defense-cta {
  padding: 110px 0;
  background: linear-gradient(180deg, #ffffff 0%, #e9f4fc 100%);
  text-align: center;
}
.defense-cta-title {
  margin: 0 0 18px;
  font-size: clamp(28px, 3.5vw, 44px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.25;
  color: var(--color-primary);
  word-break: keep-all;
}
.defense-cta-desc {
  margin: 0 auto 36px;
  max-width: var(--max-width-narrow);
  font-size: var(--fs-lead);
  line-height: var(--lh-lead);
  color: var(--color-muted);
}
.defense-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  padding: 16px 32px;
  border-radius: 999px;
  background: var(--color-accent);
  color: #fff;
  text-decoration: none;
  font-size: 18px;
  font-weight: 600;
  transition: background 0.18s ease, transform 0.18s ease, box-shadow 0.18s ease;
}
.defense-cta-btn:hover {
  background: #28aae4;
  transform: translateY(-2px);
  box-shadow: 0 18px 36px -16px rgba(0, 155, 223, 0.55);
}
.defense-cta-btn svg {
  transition: transform 0.2s ease;
}
.defense-cta-btn:hover svg {
  transform: translateX(4px);
}

/* ----- 반응형 ----- */
@media (max-width: 900px) {
  .defense-pillars,
  .defense-steps,
  .defense-track-list,
  .defense-solution-grid {
    grid-template-columns: 1fr;
  }
}
/* ============================================================
   v2.0 미디어데이 반영 — 4개 산업 페이지 통일 (AIOps 패턴)
   한줄 solve(문제→해결 한 문장) / 작동원리 플로우 / 기대효과
   기존 토큰 재사용 · 최소 16px
   ============================================================ */

/* ----- 무엇을 해결하나 (문제→해결을 한 문장으로) — AIOps solve 패턴 ----- */
.defense-solve {
  padding: 100px 0;
  background: var(--color-white);
}
.defense-solve-grid {
  list-style: none;
  margin: 0 auto;
  padding: 0;
  max-width: var(--max-width-content);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.defense-solve-card {
  display: flex;
  align-items: flex-start;
  gap: 22px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 20px;
  padding: 30px 32px;
}
.defense-solve-num {
  flex-shrink: 0;
  font-size: 26px;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--color-accent-text);
}
.defense-solve-text {
  margin: 0;
  font-size: var(--fs-body);
  line-height: 1.7;
  color: var(--color-text);
  word-break: keep-all;
}

/* ----- 기대효과 그리드 ----- */
.defense-impact {
  padding: 100px 0;
  background: #f7fafd;
}
.defense-impact-grid {
  max-width: var(--max-width-content);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.defense-impact-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 18px;
  padding: 32px 26px;
}
.defense-impact-ico {
  width: 46px;
  height: 46px;
  margin-bottom: 20px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: var(--accent-alpha-10);
  color: var(--color-accent-text);
}
.defense-impact-ico svg {
  width: 24px;
  height: 24px;
}
.defense-impact-card h3 {
  margin: 0 0 10px;
  font-size: var(--fs-h3);
  font-weight: var(--fw-h3);
  color: var(--color-accent-text);
  word-break: keep-all;
}
.defense-impact-card p {
  margin: 0;
  font-size: var(--fs-small);
  line-height: 1.7;
  color: var(--color-muted);
  word-break: keep-all;
}

/* ----- 반응형 (신규 섹션) ----- */
@media (max-width: 900px) {
  .defense-impact-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 768px) {
  .defense-solve-grid {
    grid-template-columns: 1fr;
  }
  .defense-solve-card {
    padding: 24px 24px;
    gap: 18px;
  }
}
@media (max-width: 560px) {
  .defense-impact-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 767px) {
  .defense-challenge,
  .defense-solve,
  .defense-solutions,
  .defense-how,
  .defense-impact,
  .defense-track,
  .defense-cta {
    padding: 64px 0;
  }
  .defense-section-head {
    margin-bottom: 40px;
  }
}

/* ============================================================
   스크롤 진입 애니메이션
   화면에 들어오는 요소를 살짝 떠오르며 페이드인시킨다.
   - JS가 <body>에 .reveal-anim 을 추가한 뒤에만 동작한다
     (자바스크립트가 꺼져 있으면 콘텐츠는 평소대로 그대로 보인다)
   - 모션 최소화를 선호하는 사용자에게는 적용하지 않는다
   ============================================================ */
@media (prefers-reduced-motion: no-preference) {
  .reveal-anim .reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: opacity, transform;
  }
  .reveal-anim .reveal.is-visible {
    opacity: 1;
    transform: none;
  }
  /* 같은 그리드·리스트 안의 카드는 순서대로 등장 */
  .reveal-anim .reveal:nth-child(2) { transition-delay: 0.08s; }
  .reveal-anim .reveal:nth-child(3) { transition-delay: 0.16s; }
  .reveal-anim .reveal:nth-child(4) { transition-delay: 0.24s; }
}

/* ============================================================
   국방 관련 소식 (press 기사 캐러셀)
   - 카드 자체는 board.css 의 .board-card 스타일을 그대로 재사용
   - 메인 '모비젠의 이야기를 만나보세요' 캐러셀과 동일한 좌우 화살표·점·페이드 동작
   ============================================================ */
.defense-news {
  padding: 104px 0;
  background: var(--color-white);
}

/* 캐러셀 컨테이너 — 카드 묶음(3열)을 감싸고 좌우 화살표의 기준이 된다 */
.defense-news-carousel {
  position: relative;
  max-width: var(--max-width-content);
  margin: 0 auto;
}
.defense-news .board-list {
  grid-template-columns: repeat(3, 1fr);
  gap: 30px 28px;
  margin: 0;
  transition: opacity 0.2s ease;
}
.defense-news .board-list.is-fading { opacity: 0; }
.defense-news .board-list.is-paged { cursor: grab; }
.defense-news .board-list.is-dragging { cursor: grabbing; user-select: none; }
.defense-news .board-list.is-dragging .board-card { pointer-events: none; }
.defense-news .board-list.is-dragging img { -webkit-user-drag: none; user-drag: none; }

/* 좌우 화살표 버튼 */
.defense-news-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 20;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: #fff;
  color: var(--color-primary);
  border: 1px solid var(--color-border);
  box-shadow: 0 6px 18px rgba(15, 23, 42, 0.12);
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease, opacity 0.15s ease, box-shadow 0.15s ease;
}
.defense-news-arrow:hover {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}
.defense-news-arrow--prev { left: -64px; }
.defense-news-arrow--next { right: -64px; }
.defense-news-arrow:disabled {
  opacity: 0.35;
  cursor: default;
  box-shadow: none;
}
.defense-news-arrow:disabled:hover {
  background: #fff;
  color: var(--color-primary);
  border-color: var(--color-border);
}
.defense-news-arrow[hidden] { display: none; }

/* 하단 점(현재 묶음 표시) */
.defense-news-pager {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  margin: 28px auto 0;
}
.defense-news-pager .dot {
  width: 9px;
  height: 9px;
  border-radius: 999px;
  background: #c4ced8;
  cursor: pointer;
  transition: width 0.28s ease, background 0.28s ease;
}
.defense-news-pager .dot--active {
  width: 26px;
  background: var(--color-primary);
}

.defense-news-foot {
  max-width: var(--max-width-content);
  margin: 36px auto 0;
  text-align: center;
}
.defense-news-all {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: var(--fs-small);
  font-weight: 600;
  color: var(--color-accent-text);
  text-decoration: none;
  transition: gap 0.2s ease, color 0.2s ease;
}
.defense-news-all:hover {
  gap: 12px;
  color: var(--color-accent);
}

/* 화살표 바깥 여백이 부족하면 카드 위로 살짝 겹치게 */
@media (max-width: 1380px) {
  .defense-news-arrow--prev { left: 6px; }
  .defense-news-arrow--next { right: 6px; }
}
@media (max-width: 980px) {
  .defense-news .board-list {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 767px) {
  .defense-news {
    padding: 64px 0;
  }
  .defense-news .board-list {
    grid-template-columns: 1fr;
  }
}
/* 모바일은 화살표 숨기고 점·스와이프로만 조작 (메인과 동일) */
@media (max-width: 640px) {
  .defense-news-arrow { display: none; }
}


/* ── 일본어 등 긴 텍스트: 그리드 카드 가로 넘침 방지(그리드 아이템 min-width:auto 블로우아웃 차단; 비-그리드엔 무영향) ── */
.defense-pillars > *,
.defense-solution-grid > *,
.defense-steps > *,
.defense-track-list > *,
.defense-solve-grid > *,
.defense-impact-grid > *,
.defense-news .board-list > * {
  min-width: 0;
  overflow-wrap: break-word;
}

/* solve-card flex 자식: 일본어 긴 문장이 flex 텍스트 칸을 밀지 않도록(min-width:auto 차단) */
.defense-solve-card > * { min-width: 0; }