/* =============================================
   모두비 - 서브페이지 공통 스타일
   ============================================= */

/* ── 서브페이지 히어로 ── */
.sub-hero {
  padding: 180px 0 100px;
  background: var(--color-bg-dark);
  position: relative;
  overflow: hidden;
}

.sub-hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 80% 40%, rgba(74, 124, 126, 0.2) 0%, transparent 60%),
    radial-gradient(ellipse at 10% 80%, rgba(201, 169, 110, 0.12) 0%, transparent 50%),
    linear-gradient(135deg, #0F1B2D 0%, #1A2B4A 100%);
}

.sub-hero-content {
  position: relative;
  z-index: 2;
}

.sub-hero-breadcrumb {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.5);
  margin-bottom: 28px;
  letter-spacing: 0.05em;
}

.sub-hero-breadcrumb a {
  color: rgba(255,255,255,0.5);
  transition: var(--transition);
}

.sub-hero-breadcrumb a:hover { color: var(--color-accent); }

.sub-hero-breadcrumb .sep { color: rgba(255,255,255,0.25); }

.sub-hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  color: var(--color-white);
  line-height: 1.25;
  margin-bottom: 20px;
}

.sub-hero h1 .accent { color: var(--color-accent); }

.sub-hero p {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.65);
  max-width: 560px;
  line-height: 1.9;
}

/* ── 공통 섹션 패딩 ── */
.sub-section {
  padding: var(--section-padding);
}

.sub-section.bg-white { background: var(--color-white); }
.sub-section.bg-cream { background: var(--color-bg); }
.sub-section.bg-dark { background: var(--color-bg-dark); }

/* ── 섹션 헤더 ── */
.section-header {
  margin-bottom: 64px;
}

.section-header.center {
  text-align: center;
}

.section-header.center .section-desc {
  margin: 0 auto;
}

/* ── 카드 공통 ── */
.cards-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.cards-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.base-card {
  background: var(--color-white);
  border-radius: 4px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.base-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}

/* ── 이미지 플레이스홀더 ── */
.img-placeholder {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: rgba(255,255,255,0.4);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  flex-direction: column;
  gap: 12px;
}

.img-placeholder i {
  font-size: 2.5rem;
  color: rgba(201,169,110,0.6);
}

/* ── 탭 컴포넌트 ── */
.tabs-nav {
  display: flex;
  gap: 0;
  border-bottom: 2px solid var(--color-line);
  margin-bottom: 48px;
  overflow-x: auto;
}

.tab-btn {
  padding: 14px 28px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text-muted);
  background: none;
  border: none;
  cursor: pointer;
  position: relative;
  white-space: nowrap;
  transition: var(--transition);
  letter-spacing: 0.03em;
}

.tab-btn::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-accent);
  transform: scaleX(0);
  transition: var(--transition);
}

.tab-btn.active {
  color: var(--color-primary);
}

.tab-btn.active::after {
  transform: scaleX(1);
}

.tab-btn:hover { color: var(--color-primary); }

.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ── 아코디언 ── */
.accordion-item {
  border-bottom: 1px solid var(--color-line);
}

.accordion-btn {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 0;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-primary);
  text-align: left;
  transition: var(--transition);
  font-family: var(--font-sans);
}

.accordion-btn:hover { color: var(--color-accent); }

.accordion-icon {
  width: 28px;
  height: 28px;
  border: 1px solid var(--color-line);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: var(--transition);
  font-size: 0.75rem;
  color: var(--color-accent);
}

.accordion-btn.active .accordion-icon {
  transform: rotate(45deg);
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: white;
}

.accordion-body {
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.35s ease, padding 0.35s ease;
}

.accordion-body.open {
  max-height: 500px;
  padding-bottom: 24px;
}

.accordion-body p {
  color: var(--color-text-light);
  line-height: 1.85;
  font-size: 0.95rem;
}

/* ── 문의 폼 ── */
.contact-form {
  background: var(--color-white);
  padding: 48px;
  border-radius: 4px;
  box-shadow: var(--shadow-md);
}

.form-group {
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 8px;
  letter-spacing: 0.03em;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 14px 18px;
  border: 1px solid var(--color-line);
  border-radius: 2px;
  font-size: 0.95rem;
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  transition: var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-secondary);
  background: var(--color-white);
  box-shadow: 0 0 0 3px rgba(74,124,126,0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 140px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-submit {
  width: 100%;
  padding: 18px;
  background: var(--color-primary);
  color: var(--color-white);
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: 2px;
  cursor: pointer;
  transition: var(--transition);
  letter-spacing: 0.05em;
  font-family: var(--font-sans);
}

.form-submit:hover { background: var(--color-secondary); }

/* ── 성공 메시지 ── */
.form-success {
  display: none;
  text-align: center;
  padding: 48px;
}

.form-success i {
  font-size: 3rem;
  color: var(--color-secondary);
  margin-bottom: 20px;
}

.form-success h3 {
  color: var(--color-primary);
  margin-bottom: 12px;
}

.form-success p {
  color: var(--color-text-light);
}

/* ── 반응형 ── */
@media (max-width: 768px) {
  .sub-hero { padding: 140px 0 72px; }
  .cards-grid-3 { grid-template-columns: 1fr; }
  .cards-grid-2 { grid-template-columns: 1fr; }
  .contact-form { padding: 28px 20px; }
  .form-row { grid-template-columns: 1fr; }
}