/* =============================================================
   Company About — 회사소개 페이지 (와이어프레임 + aerospace 타임라인)
   ============================================================= */

/* =============================================================
   Section 1. Page Header (다크, 텍스트형)
   ============================================================= */
.page-hero {
  position: relative;
  background: var(--c-bg-dark);
  padding: calc(var(--header-h) + 100px) 0 140px;
  overflow: hidden;
}
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 28px 28px;
  opacity: 0.6;
  pointer-events: none;
}
.page-hero-inner {
  position: relative;
  z-index: 1;
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 var(--pad-x);
  color: #fff;
}
.page-hero-visual {
  position: absolute;
  right: var(--pad-x);
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
}
.page-hero-visual span {
  font-size: 15px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.4);
  letter-spacing: 0.05em;
  text-align: right;
  line-height: 1.7;
}
.page-hero-eyebrow {
  display: inline-block;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.18);
  font-size: 15px;
  font-weight: 500;
  color: #fff;
  letter-spacing: 0.1em;
  margin-bottom: 24px;
}
.page-hero-title {
  font-size: 48px;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: #fff;
  margin-bottom: 20px;
}
.page-hero-desc {
  font-size: 18px;
  font-weight: 400;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.85);
}

/* =============================================================
   Section 2. Company Overview (좌 텍스트 + 우 이미지)
   ============================================================= */
.about-overview {
  padding: 120px 0;
  background: #f8f8f8;
}
.about-overview-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 64px;
  align-items: center;
}
.about-overview-text .section-eyebrow {
  margin-bottom: 16px;
}
.about-overview-text .section-title {
  font-size: 36px;
  margin-bottom: 24px;
  text-align: left;
}
.about-overview-lead {
  font-size: 17px;
  font-weight: 500;
  line-height: 1.7;
  color: var(--c-text);
  margin-bottom: 28px;
}
.about-overview-body p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-text-sub);
  margin-bottom: 16px;
}
.about-overview-body p:last-child { margin-bottom: 0; }

.about-overview-visual {
  position: relative;
  aspect-ratio: 4 / 3;
  border: 1px dashed var(--c-border);
  border-radius: var(--radius-md);
  background: #fafafa;
  display: flex;
  align-items: center;
  justify-content: center;
}
.about-overview-visual span {
  font-size: 15px;
  font-weight: 500;
  color: var(--c-text-mute);
  letter-spacing: 0.04em;
  text-align: center;
  line-height: 1.7;
  padding: 0 16px;
}

/* =============================================================
   Section 3. Vision & Mission (3가치 카드)
   ============================================================= */
.about-vision {
  padding: 120px 0;
  background: #f8f8f8;
}
.vision-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.vision-card {
  display: flex;
  flex-direction: column;
  padding: 48px 40px;
  background: #fff;
  border-radius: var(--radius-lg);
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.vision-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(20, 25, 42, 0.08);
}
.vision-tag {
  display: inline-block;
  align-self: center;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--c-primary);
  margin-bottom: 24px;
}
.vision-title {
  font-size: 28px;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.02em;
  color: var(--c-text);
  margin-bottom: 16px;
}
.vision-desc {
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-text-sub);
}
.vision-note {
  margin-top: 32px;
  text-align: center;
  font-size: 15px;
  color: var(--c-text-mute);
}

/* =============================================================
   Section 4. History — Name Cards + Timeline (aerospace 패턴)
   ============================================================= */
.about-history {
  padding: 120px 0;
  background: #fff;
}

/* 사명 변천 3카드 */
.name-history {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 0;
  margin-bottom: 100px;
  position: relative;
}
.name-history::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 16%;
  right: 16%;
  height: 1px;
  background: var(--c-border);
  z-index: 0;
}
.name-card {
  position: relative;
  padding: 36px 32px;
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  text-align: center;
  z-index: 1;
}
.name-date {
  display: block;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--c-primary);
  margin-bottom: 12px;
}
.name-title {
  font-size: 22px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--c-text);
  letter-spacing: -0.02em;
  margin-bottom: 6px;
}
.name-subtitle {
  font-size: 15px;
  color: var(--c-text-mute);
}

/* 타임라인 (aerospace 좌:시기 / 우:연도별 마일스톤) */
.history-track {
  display: flex;
  flex-direction: column;
}
.history-group {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 60px;
  padding: 60px 0;
  border-top: 1px solid var(--c-border);
}
.history-group:last-child { border-bottom: 1px solid var(--c-border); }

.history-period {
  position: sticky;
  top: calc(var(--header-h) + 40px);
  align-self: start;
  height: fit-content;
}
.history-period-range {
  display: block;
  font-size: 40px;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--c-text);
  margin-bottom: 16px;
}
.history-period-label {
  display: block;
  font-size: 15px;
  line-height: 1.6;
  color: var(--c-text-sub);
  max-width: 280px;
}

.history-years {
  display: flex;
  flex-direction: column;
  gap: 36px;
}
.history-year {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 32px;
  align-items: start;
}
.history-year-num {
  font-size: 22px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.01em;
  color: var(--c-primary);
}
.history-year-body h4 {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: -0.02em;
  color: var(--c-text);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}
.history-tag {
  display: inline-block;
  padding: 3px 10px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--c-primary);
  background: var(--c-primary-soft);
  border-radius: var(--radius-full);
}
.history-year-body ul,
.history-year-body p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--c-text-sub);
}
.history-year-body ul {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.history-year-body ul li {
  position: relative;
  padding-left: 14px;
}
.history-year-body ul li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 11px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--c-primary);
  opacity: 0.6;
}


/* =============================================================
   Section 5. Stats Dark — 메인 stats 컴포넌트의 다크 변형
   (.stats.stats--dark 으로 메인 스타일 위에 오버라이드)
   ============================================================= */
.stats--dark {
  background: var(--c-bg-dark);
  position: relative;
  overflow: hidden;
}
.stats--dark::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 28px 28px;
  opacity: 0.5;
  pointer-events: none;
}
.stats--dark .container { position: relative; z-index: 1; }
.stats--dark .section-eyebrow { color: rgba(255, 255, 255, 0.7); }
.stats--dark .section-title { color: #fff; }
.stats--dark .section-lead { color: rgba(255, 255, 255, 0.75); }

.stats--dark .stat {
  border-right-color: rgba(255, 255, 255, 0.12);
  border-bottom-color: rgba(255, 255, 255, 0.12);
}
.stats--dark .stat-label { color: rgba(255, 255, 255, 0.7); }
.stats--dark .stat-num { color: #fff; }
.stats--dark .stat-unit { color: rgba(255, 255, 255, 0.6); }

/* Active 강조 (다크 위) — 흰 fill + 남색 글씨 */
.stats--dark .stat.is-active {
  background: #fff;
  border-right-color: transparent;
  border-bottom-color: transparent;
}
.stats--dark .stat.is-active .stat-label,
.stats--dark .stat.is-active .stat-num,
.stats--dark .stat.is-active .stat-unit {
  color: var(--c-primary);
}