/* ============================================================
   Sea-Star 공통 CSS — 디자인 시스템 + 컴포넌트
   ============================================================ */

/* 1. CSS 변수 */
:root {
  --color-navy:      #0A2540;
  --color-blue:      #7BA7BC;
  --color-cream:     #F8F6F0;
  --color-gold:      #C9A961;
  --color-gold-dark: #A8873E;
  --color-white:     #FFFFFF;
  --color-text:      #1A2E45;
  --color-muted:     #5A7184;
  --color-border:    #D8D5CF;
  --color-kakao:     #FEE500;
  --color-success:   #2A7A4B;
  --color-error:     #C0392B;

  --font-body:    'Pretendard Variable', 'Pretendard', -apple-system, sans-serif;
  --font-heading: 'Noto Serif KR', 'Noto Serif', Georgia, serif;

  --spacing-xs:  0.25rem;
  --spacing-sm:  0.5rem;
  --spacing-md:  1rem;
  --spacing-lg:  2rem;
  --spacing-xl:  4rem;

  --radius-sm:   6px;
  --radius-md:   12px;
  --radius-lg:   20px;
  --radius-full: 9999px;

  --shadow-sm:   0 1px 4px rgba(10,37,64,.08);
  --shadow-md:   0 4px 16px rgba(10,37,64,.12);
  --shadow-lg:   0 8px 32px rgba(10,37,64,.18);

  --transition:  200ms ease;
  --header-h:    68px;
}

/* 2. Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-cream);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img, video { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }
input, textarea, select { font-family: inherit; font-size: 1rem; }

/* 접근성: 포커스링 */
:focus-visible { outline: 3px solid var(--color-gold); outline-offset: 2px; }

/* 스킵 링크 */
.skip-link {
  position: absolute; top: -100%; left: 0; z-index: 9999;
  background: var(--color-navy); color: #fff;
  padding: .5rem 1rem; border-radius: 0 0 var(--radius-sm) 0;
  font-size: .875rem;
}
.skip-link:focus { top: 0; }

/* 3. 레이아웃 */
.container { max-width: 1200px; margin: 0 auto; padding: 0 var(--spacing-lg); }
.section    { padding: var(--spacing-xl) 0; }
.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 700;
  color: var(--color-navy);
  text-align: center;
  margin-bottom: var(--spacing-sm);
}
.section-sub { text-align: center; color: var(--color-muted); margin-bottom: var(--spacing-lg); }

/* 4. 그리드 */
.grid   { display: grid; gap: var(--spacing-lg); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* 5. 카드 */
.card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition);
}
.card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }

/* 6. 버튼 */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: var(--spacing-xs); padding: 0.75rem 1.75rem;
  border-radius: var(--radius-full); font-size: 1rem; font-weight: 600;
  line-height: 1; transition: background var(--transition), color var(--transition),
  box-shadow var(--transition), transform var(--transition);
  white-space: nowrap; cursor: pointer; border: 2px solid transparent;
}
.btn-primary  { background: var(--color-navy); color: var(--color-white); }
.btn-primary:hover { background: #0d2f50; box-shadow: var(--shadow-md); transform: translateY(-1px); }
.btn-ghost    { background: transparent; color: var(--color-navy); border-color: var(--color-navy); }
.btn-ghost:hover { background: var(--color-navy); color: var(--color-white); }
.btn-gold     { background: var(--color-gold); color: var(--color-navy); }
.btn-gold:hover { background: var(--color-gold-dark); color: var(--color-white); }
.btn-kakao    { background: var(--color-kakao); color: #3A1D1D; }
.btn-kakao:hover { background: #F0D800; }
.btn-outline-gold { background: transparent; border-color: var(--color-gold); color: var(--color-gold); }
.btn-outline-gold:hover { background: var(--color-gold); color: var(--color-navy); }
.btn-sm       { padding: 0.5rem 1.1rem; font-size: 0.875rem; }
.btn-block    { width: 100%; }

/* 7. 헤더 */
.site-header {
  position: sticky; top: 0; z-index: 100;
  min-height: var(--header-h);
  display: flex; align-items: center;
  overflow: visible;
  background: #fff;
  box-shadow: 0 1px 0 var(--color-border), var(--shadow-sm);
}
.header-inner { display: flex; align-items: center; gap: var(--spacing-lg); flex: 1; }
.logo { display: flex; flex-direction: column; line-height: 1.2; flex-shrink: 0; }
.logo-text { font-family: var(--font-heading); font-size: 1.4rem; font-weight: 700; color: var(--color-navy); }
.footer-logo { font-size: 1.2rem; }
.logo-star   { color: var(--color-gold); }
.logo-sub    { font-size: 0.65rem; color: var(--color-muted); letter-spacing: .05em; }
.main-nav    { flex: 1; }
.main-nav ul { display: flex; gap: var(--spacing-lg); align-items: center; }
.main-nav a  { font-size: 0.95rem; font-weight: 500; color: var(--color-text); padding: var(--spacing-xs) 0; border-bottom: 2px solid transparent; transition: color var(--transition), border-color var(--transition); }
.main-nav a:hover, .main-nav a.active { color: var(--color-navy); border-bottom-color: var(--color-gold); }
.header-cta  { flex-shrink: 0; }
.hamburger   { display: none; flex-direction: column; gap: 5px; padding: var(--spacing-sm); margin-left: auto; }
.hamburger span { display: block; width: 22px; height: 2px; background: var(--color-navy); border-radius: 2px; transition: transform var(--transition), opacity var(--transition); }
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* 8. 푸터 */
.site-footer { background: var(--color-navy); color: rgba(248,246,240,.8); padding: var(--spacing-xl) 0 var(--spacing-lg); }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: var(--spacing-lg); padding-bottom: var(--spacing-lg); border-bottom: 1px solid rgba(255,255,255,.1); margin-bottom: var(--spacing-lg); }
.footer-col-title { font-size: .8rem; font-weight: 700; color: var(--color-gold); letter-spacing: .08em; text-transform: uppercase; margin-bottom: var(--spacing-sm); }
.footer-tagline  { font-family: var(--font-heading); font-size: .9rem; color: rgba(248,246,240,.6); margin-top: var(--spacing-xs); }
.footer-legal-note { font-size: .75rem; color: rgba(248,246,240,.4); margin-top: var(--spacing-sm); line-height: 1.5; }
.footer-nav-list { display: flex; flex-direction: column; gap: var(--spacing-xs); }
.footer-nav-list a { color: rgba(248,246,240,.7); font-size: .9rem; transition: color var(--transition); }
.footer-nav-list a:hover { color: var(--color-cream); }
.footer-phone  { display: block; font-size: 1.3rem; font-weight: 700; color: var(--color-gold); margin: var(--spacing-xs) 0 var(--spacing-sm); }
.footer-phone:hover { color: #d4b56e; }
.footer-info-small a { color: rgba(248,246,240,.5); font-size: .8rem; transition: color var(--transition); }
.footer-info-small a:hover { color: var(--color-cream); }
.footer-bizinfo { font-size: .8rem; color: rgba(248,246,240,.45); line-height: 2; }
.footer-bizinfo a { color: rgba(248,246,240,.55); }
.footer-copyright { margin-top: var(--spacing-sm); }

/* 9. 플로팅 버튼 */
.floating-btn {
  position: fixed; right: 24px; bottom: 32px; z-index: 200;
  width: 64px; height: 64px; border-radius: var(--radius-full);
  background: var(--color-gold); color: var(--color-navy);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px;
  box-shadow: 0 4px 20px rgba(201,169,97,.5);
  animation: float-pulse 2.8s ease-in-out infinite;
  transition: transform var(--transition), box-shadow var(--transition);
}
.floating-btn:hover { transform: scale(1.08); box-shadow: 0 6px 28px rgba(201,169,97,.65); animation-play-state: paused; }
.floating-icon { font-size: 1.4rem; line-height: 1; }
.floating-label { font-size: .65rem; font-weight: 700; line-height: 1; }
@keyframes float-pulse {
  0%, 100% { box-shadow: 0 4px 20px rgba(201,169,97,.5); }
  50%       { box-shadow: 0 6px 32px rgba(201,169,97,.75); transform: translateY(-3px); }
}

/* 10. 모달 */
.modal-overlay {
  position: fixed; inset: 0; z-index: 300;
  background: rgba(10,37,64,.55); backdrop-filter: blur(4px);
  display: flex; align-items: flex-end; justify-content: center;
  transition: opacity var(--transition);
}
.modal-overlay[hidden] { display: none !important; }
.modal-box {
  background: var(--color-white);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  width: 100%; max-width: 480px; padding: var(--spacing-lg);
  padding-bottom: calc(var(--spacing-lg) + env(safe-area-inset-bottom));
  position: relative; max-height: 90vh; overflow-y: auto;
  animation: slide-up .25s ease;
}
.modal-box-center {
  align-self: center; border-radius: var(--radius-lg);
  max-width: 560px; margin: var(--spacing-lg);
}
@keyframes slide-up { from { transform: translateY(100%); } to { transform: translateY(0); } }
.modal-close { position: absolute; right: var(--spacing-md); top: var(--spacing-md); font-size: 1.5rem; color: var(--color-muted); width: 32px; height: 32px; display: flex; align-items: center; justify-content: center; border-radius: var(--radius-full); transition: background var(--transition); }
.modal-close:hover { background: var(--color-cream); color: var(--color-navy); }
.modal-title { font-family: var(--font-heading); font-size: 1.2rem; color: var(--color-navy); margin-bottom: var(--spacing-md); padding-right: 2rem; }

/* 11. 탭 */
.tab-nav { display: flex; gap: var(--spacing-xs); border-bottom: 2px solid var(--color-border); margin-bottom: var(--spacing-md); }
.tab-btn { flex: 1; padding: var(--spacing-sm) var(--spacing-xs); font-size: .85rem; font-weight: 600; color: var(--color-muted); border-bottom: 3px solid transparent; margin-bottom: -2px; transition: color var(--transition), border-color var(--transition); }
.tab-btn.active, .tab-btn[aria-selected="true"] { color: var(--color-navy); border-bottom-color: var(--color-gold); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }
/* 레거시 호환 */
.consult-tabs { display: flex; gap: var(--spacing-xs); margin-bottom: var(--spacing-md); border-bottom: 2px solid var(--color-border); }
.tab-content { display: none; }
.tab-content.active { display: block; }
.consult-desc { color: var(--color-muted); font-size: .9rem; margin-bottom: var(--spacing-md); }

/* 12. 폼 */
.form-field { margin-bottom: var(--spacing-md); }
.form-field label { display: block; font-size: .875rem; font-weight: 600; color: var(--color-navy); margin-bottom: var(--spacing-xs); }
.form-field input, .form-field textarea, .form-field select {
  width: 100%; padding: .7rem 1rem;
  border: 1.5px solid var(--color-border); border-radius: var(--radius-sm);
  font-size: .95rem; color: var(--color-text); background: var(--color-white);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-field input:focus, .form-field textarea:focus, .form-field select:focus {
  outline: none; border-color: var(--color-blue);
  box-shadow: 0 0 0 3px rgba(123,167,188,.2);
}
.form-field .field-error { font-size: .8rem; color: var(--color-error); margin-top: .25rem; display: none; }
.form-field.has-error input, .form-field.has-error textarea, .form-field.has-error select { border-color: var(--color-error); }
.form-field.has-error .field-error { display: block; }
/* 레거시 호환 */
.form-group { margin-bottom: var(--spacing-md); }
.form-group label { display: block; font-size: .875rem; font-weight: 600; color: var(--color-navy); margin-bottom: var(--spacing-xs); }
.form-group input, .form-group textarea, .form-group select {
  width: 100%; padding: .7rem 1rem; border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm); font-size: .95rem; color: var(--color-text); background: var(--color-white);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus { outline: none; border-color: var(--color-blue); box-shadow: 0 0 0 3px rgba(123,167,188,.2); }
.required { color: #e05555; }
.form-notice { font-size: .8rem; color: var(--color-muted); margin-bottom: var(--spacing-md); }
.form-result { padding: .75rem 1rem; border-radius: var(--radius-sm); margin-top: var(--spacing-sm); font-size: .9rem; }
.form-result.success { background: #e8f5ee; color: var(--color-success); }
.form-result.error   { background: #fdecea; color: var(--color-error); }
.checkbox-label { display: flex; gap: .5rem; align-items: flex-start; font-size: .9rem; cursor: pointer; }
.checkbox-label input[type=checkbox] { width: auto; margin-top: .2rem; flex-shrink: 0; }

/* 13. 배지 */
.badge { display: inline-block; padding: .2rem .7rem; border-radius: var(--radius-full); font-size: .75rem; font-weight: 700; }
.badge-gold  { background: rgba(201,169,97,.15); color: var(--color-gold-dark); border: 1px solid rgba(201,169,97,.3); }
.badge-navy  { background: var(--color-navy); color: var(--color-white); }
.badge-blue  { background: rgba(123,167,188,.15); color: var(--color-blue); border: 1px solid rgba(123,167,188,.3); }
.badge-green { background: #e8f5ee; color: var(--color-success); }

/* 14. 합법성 강조 박스 */
.legal-box {
  background: linear-gradient(135deg, rgba(10,37,64,.05), rgba(123,167,188,.08));
  border: 1.5px solid rgba(10,37,64,.15); border-left: 4px solid var(--color-navy);
  border-radius: var(--radius-md); padding: var(--spacing-md) var(--spacing-lg);
  margin: var(--spacing-lg) 0;
}
.legal-box-title { font-family: var(--font-heading); font-weight: 700; color: var(--color-navy); margin-bottom: .5rem; }
.legal-box p { font-size: .95rem; color: var(--color-text); line-height: 1.8; }

/* 15. 타임라인 */
.timeline { display: flex; gap: 0; position: relative; }
.timeline::before { content: ''; position: absolute; top: 28px; left: 28px; right: 28px; height: 2px; background: var(--color-border); z-index: 0; }
.timeline-item { flex: 1; display: flex; flex-direction: column; align-items: center; text-align: center; padding: 0 var(--spacing-sm); position: relative; }
.timeline-num {
  width: 56px; height: 56px; border-radius: var(--radius-full);
  background: var(--color-white); border: 2px solid var(--color-border);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-heading); font-size: 1.1rem; font-weight: 700;
  color: var(--color-navy); z-index: 1; margin-bottom: var(--spacing-sm);
  transition: background var(--transition), border-color var(--transition);
}
.timeline-item.active .timeline-num { background: var(--color-gold); border-color: var(--color-gold); color: var(--color-navy); }
.timeline-label { font-size: .85rem; font-weight: 600; color: var(--color-navy); margin-bottom: .25rem; }
.timeline-desc  { font-size: .8rem; color: var(--color-muted); line-height: 1.5; }

/* 16. 가격 테이블 */
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--spacing-lg); }
.pricing-card {
  background: var(--color-white); border-radius: var(--radius-md);
  border: 2px solid var(--color-border); padding: var(--spacing-lg);
  display: flex; flex-direction: column; transition: border-color var(--transition), box-shadow var(--transition);
}
.pricing-card:hover, .pricing-card.featured { border-color: var(--color-gold); box-shadow: var(--shadow-md); }
.pricing-card.featured { position: relative; transform: scale(1.02); }
.pricing-badge { position: absolute; top: -12px; left: 50%; transform: translateX(-50%); background: var(--color-gold); color: var(--color-navy); font-size: .75rem; font-weight: 700; padding: .2rem .8rem; border-radius: var(--radius-full); white-space: nowrap; }
.pricing-name  { font-family: var(--font-heading); font-size: 1.2rem; font-weight: 700; color: var(--color-navy); text-align: center; margin-bottom: var(--spacing-sm); }
.pricing-price { font-size: 2rem; font-weight: 800; color: var(--color-navy); text-align: center; line-height: 1; }
.pricing-price span { font-size: 1rem; font-weight: 400; color: var(--color-muted); }
.pricing-duration { text-align: center; color: var(--color-muted); font-size: .85rem; margin-top: .25rem; margin-bottom: var(--spacing-md); }
.pricing-features { flex: 1; margin-bottom: var(--spacing-md); }
.pricing-features li { display: flex; gap: .5rem; align-items: flex-start; font-size: .9rem; padding: .35rem 0; border-bottom: 1px solid var(--color-border); color: var(--color-text); }
.pricing-features li:last-child { border-bottom: none; }
.pricing-features li::before { content: '✓'; color: var(--color-success); font-weight: 700; flex-shrink: 0; }

/* 17. 추모관 카드 */
.memorial-card {
  background: var(--color-white); border-radius: var(--radius-md);
  overflow: hidden; box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition);
}
.memorial-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.memorial-card-photo { position: relative; height: 180px; overflow: hidden; background: var(--color-navy); }
.memorial-card-photo img { width: 100%; height: 100%; object-fit: cover; opacity: .8; }
.memorial-card-overlay { position: absolute; inset: 0; background: linear-gradient(to top, rgba(10,37,64,.7) 0%, transparent 60%); }
.memorial-card-wave { display: flex; align-items: center; justify-content: center; font-size: 3rem; color: rgba(248,246,240,.3); }
.memorial-card-body { padding: var(--spacing-md); }
.memorial-card-name { font-family: var(--font-heading); font-size: 1.1rem; font-weight: 700; color: var(--color-navy); }
.memorial-card-dates { font-size: .8rem; color: var(--color-muted); margin-top: .25rem; }

/* 18. 아코디언 (FAQ) */
.accordion { border: 1px solid var(--color-border); border-radius: var(--radius-md); overflow: hidden; }
.accordion + .accordion { margin-top: var(--spacing-sm); }
.accordion-btn {
  width: 100%; display: flex; justify-content: space-between; align-items: center;
  padding: 1rem 1.25rem; background: var(--color-white); font-size: .95rem; font-weight: 600;
  color: var(--color-navy); text-align: left; transition: background var(--transition);
  gap: 1rem;
}
.accordion-btn:hover { background: var(--color-cream); }
.accordion-btn[aria-expanded="true"] { background: rgba(10,37,64,.04); }
.accordion-icon { flex-shrink: 0; width: 20px; height: 20px; border-radius: var(--radius-full); border: 1.5px solid var(--color-border); display: flex; align-items: center; justify-content: center; font-size: .8rem; transition: transform var(--transition), background var(--transition); }
.accordion-btn[aria-expanded="true"] .accordion-icon { transform: rotate(45deg); background: var(--color-gold); border-color: var(--color-gold); color: var(--color-navy); }
.accordion-body { display: none; padding: 0 1.25rem 1rem; background: var(--color-white); font-size: .9rem; color: var(--color-muted); line-height: 1.8; }
.accordion-body.open { display: block; }

/* 19. 그라데이션 배경 */
.bg-dawn { background: linear-gradient(160deg, var(--color-navy) 0%, #1a4a6e 50%, var(--color-blue) 100%); }
.bg-cream { background: var(--color-cream); }
.bg-navy  { background: var(--color-navy); color: var(--color-cream); }

/* 20. 별점 */
.stars { color: var(--color-gold); letter-spacing: .05em; }

/* 21. 비교표 */
.compare-table { width: 100%; border-collapse: collapse; font-size: .9rem; }
.compare-table th { background: var(--color-navy); color: var(--color-cream); padding: .75rem 1rem; text-align: center; font-weight: 600; }
.compare-table th:first-child { text-align: left; }
.compare-table td { padding: .65rem 1rem; border-bottom: 1px solid var(--color-border); text-align: center; }
.compare-table td:first-child { font-weight: 600; color: var(--color-navy); text-align: left; }
.compare-table tr:last-child td { border-bottom: none; }
.compare-table tr:hover td { background: rgba(10,37,64,.03); }
.compare-yes { color: var(--color-success); font-weight: 700; }
.compare-no  { color: var(--color-muted); }
.compare-highlight td { background: rgba(201,169,97,.08); }

/* 22. 체크리스트 */
.checklist { display: flex; flex-direction: column; gap: .5rem; }
.checklist li { display: flex; gap: .6rem; align-items: flex-start; font-size: .9rem; }
.checklist li::before { content: '✓'; color: var(--color-success); font-weight: 700; flex-shrink: 0; margin-top: .1rem; }

/* 23. 권역 지도 영역 */
.region-map { display: flex; gap: var(--spacing-lg); align-items: flex-start; flex-wrap: wrap; }
.region-svg-wrap { flex: 0 0 280px; }
.region-info { flex: 1; min-width: 200px; }
.region-tag { display: inline-flex; gap: .4rem; align-items: center; background: rgba(123,167,188,.15); border: 1px solid rgba(123,167,188,.3); color: var(--color-navy); padding: .3rem .8rem; border-radius: var(--radius-full); font-size: .85rem; font-weight: 600; margin: .25rem; }

/* 24. 페이지네이션 */
.pagination { display: flex; gap: .25rem; justify-content: center; flex-wrap: wrap; margin-top: var(--spacing-lg); }
.page-btn { width: 36px; height: 36px; border-radius: var(--radius-sm); border: 1px solid var(--color-border); display: flex; align-items: center; justify-content: center; font-size: .875rem; color: var(--color-text); background: var(--color-white); transition: background var(--transition), color var(--transition); }
.page-btn:hover, .page-btn.active { background: var(--color-navy); color: var(--color-white); border-color: var(--color-navy); }
.page-btn[disabled] { opacity: .4; cursor: not-allowed; }

/* 25. CTA 밴드 */
.cta-band { background: var(--color-navy); padding: var(--spacing-xl) 0; text-align: center; }
.cta-band-title { font-family: var(--font-heading); font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 700; color: var(--color-cream); margin-bottom: var(--spacing-sm); }
.cta-band-sub { color: rgba(248,246,240,.7); margin-bottom: var(--spacing-lg); font-size: 1rem; }
.cta-group { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* 26. 페이지 헤더 (서브페이지) */
.page-header { background: var(--color-navy); padding: 3rem 0 2rem; text-align: center; }
.page-header-title { font-family: var(--font-heading); font-size: clamp(1.8rem, 4vw, 2.5rem); font-weight: 700; color: var(--color-cream); }
.page-header-sub { color: rgba(248,246,240,.7); margin-top: .5rem; font-size: 1rem; }
.breadcrumb-nav { display: flex; gap: .5rem; align-items: center; justify-content: center; margin-top: 1rem; font-size: .85rem; }
.breadcrumb-nav a { color: rgba(248,246,240,.6); }
.breadcrumb-nav a:hover { color: var(--color-gold); }
.breadcrumb-sep { color: rgba(248,246,240,.3); }

/* 27. 알림 */
.alert { padding: .875rem 1.25rem; border-radius: var(--radius-sm); margin-bottom: var(--spacing-md); font-size: .9rem; }
.alert-success { background: #e8f5ee; color: var(--color-success); border: 1px solid #c3e6cb; }
.alert-error   { background: #fdecea; color: var(--color-error);   border: 1px solid #f5c6cb; }
.alert-info    { background: rgba(123,167,188,.1); color: var(--color-navy); border: 1px solid rgba(123,167,188,.3); }

/* 28. 스크롤 페이드인 */
.fade-in { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.fade-in.visible { opacity: 1; transform: none; }

/* ── Hero ── */
.hero {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  height: 70vh;
  min-height: 560px;
  display: flex;
  align-items: center;
  background-color: var(--color-navy);
  background-image:
    linear-gradient(180deg, rgba(10,37,64,.55), rgba(10,37,64,.78)),
    url('/mv/intro-poster.jpg');
  background-size: cover;
  background-position: center;
}
.hero-video {
  position: absolute; top: 0; left: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  z-index: 0;
  pointer-events: none;
}
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg,
    rgba(10,37,64,.55) 0%,
    rgba(10,37,64,.78) 100%);
  z-index: 1;
  pointer-events: none;
}
.hero-content { position: relative; z-index: 2; }

/* ============================================================
   반응형
   ============================================================ */
@media (max-width: 720px) {
  :root { --header-h: 68px; }
  .container { padding: 0 var(--spacing-md); }
  .section    { padding: var(--spacing-lg) 0; }

  .main-nav {
    position: absolute; top: 100%; left: 0; right: 0;
    background: #fff;
    box-shadow: var(--shadow-md);
    max-height: 0; overflow: hidden;
    transition: max-height 0.3s ease;
    z-index: 99;
  }
  .main-nav.open { max-height: 400px; }
  .main-nav ul   { flex-direction: column; gap: 0; padding: 4px 0; }
  .main-nav a    { font-size: 1rem; padding: 14px 20px; display: block; border-bottom: 1px solid var(--color-border); }
  .main-nav li:last-child a { border-bottom: none; }
  .header-cta { display: none; }
  .hamburger  { display: flex; }

  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }

  .floating-btn { right: 16px; bottom: 24px; width: 56px; height: 56px; }
  .modal-box { max-height: 85vh; }

  .timeline { flex-direction: column; gap: var(--spacing-md); }
  .timeline::before { top: 28px; bottom: 28px; left: 27px; right: auto; width: 2px; height: auto; }
  .timeline-item { flex-direction: row; text-align: left; align-items: flex-start; gap: 1rem; }
  .timeline-num  { flex-shrink: 0; margin-bottom: 0; }
  .timeline-text { padding-top: .5rem; }

  .pricing-grid { grid-template-columns: 1fr; }
  .pricing-card.featured { transform: none; }

  .region-svg-wrap { flex: 0 0 100%; }

  .cta-group { flex-direction: column; align-items: center; }
  .hero { min-height: 480px; height: auto; }
}

@media (min-width: 721px) and (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .pricing-grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  .hero-video { display: none; }
}