/* ===== About Page ===== */



/* 서브 탭 */
.about-tabs {
  background: #fff;
  padding: 110px 0 0;
  margin-top: 0;
  /* border-bottom: 1px solid #e0e0e0; */
}

.about-tabs-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  gap: 0;
}

.about-tab {
  flex: 1;
  display: block;
  padding: 10px 24px;
  font-size: 14px;
  font-weight: 500;
  color: #666;
  background: #eee;
  text-align: center;
  transition: background 0.2s ease, color 0.2s ease;
}

.about-tab.active {
  background: #2c353d;
  color: #fff;
}

.about-tab:hover {
  color: #333;
}

/* 사업 분야 섹션 */
.about-section {
  padding: 70px 0 0;
  background: #fff;
}

.about-section + .about-section::before {
  content: '';
  display: block;
  width: 1160px;
  max-width: 100%;
  margin: 0 auto 70px;
  border-top: 1px solid #e8e8e8;
}

.about-business-inner {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 110px;
  align-items: start;
}

.about-section-title {
  font-size: 48px;
  font-weight: 700;
  color: #222;
  margin-bottom: 30px;
}

.about-section-title.center {
  text-align: center;
  margin-bottom: 40px;
}

.about-business-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.about-business-list li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 16px;
  font-size: 16px;
  color: #444;
  line-height: 1.7;
}

.about-business-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  background: #1a1d2e;
  border-radius: 50%;
}

/* 가치 카드 */
.about-values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.about-value-card {
  padding: 32px 24px;
  background: #fff;
  border: 1px solid #e8e8e8;
  border-radius: 8px;
  text-align: center;
  transition: box-shadow 0.2s ease;
}

.about-value-card:hover {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

.about-value-card h3 {
  font-size: 36px;
  font-weight: 700;
  color: #222;
  margin-bottom: 12px;
}

.about-value-card p {
  font-size: 18px;
  color: #555;
  line-height: 1.7;
  text-align: left;
}

/* 조직도 */
.org-chart {
  display: flex;
  justify-content: center;
  align-items: center;
}

.org-chart img {
  max-width: 100%;
  height: auto;
  display: block;
  margin-bottom: 100px;
}

/* ===== History ===== */
.history-header {
  display: flex;
  align-items: center;
  gap: 200px;
  margin-bottom: 80px;
}

.history-section .history-title {
  font-size: 48px;
  font-weight: 700;
  color: #222;
  margin: 0;
  line-height: 1.3;
  flex-shrink: 0;
}

.history-intro {
  font-size: 16px;
  color: #555;
  line-height: 1.8;
  flex: 1;
}

.history-intro p {
  margin: 0;
}

.history-blocks {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0 24px;
  margin-bottom: 80px;
}

.history-block {
  padding: 24px 24px 24px 0;
  border-top: 2px solid #363636;
  margin-bottom: 40px;
}

.history-block:nth-child(3n) {
  padding-right: 0;
}

.history-year {
  font-size: 24px;
  font-weight: 700;
  color: #4F76F5;
  margin-bottom: 12px;
}

.history-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.history-list li {
  font-size: 16px;
  color: #444;
  line-height: 1.7;
  position: relative;
  padding-left: 12px;
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}

.history-list li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: #666;
}

@media (max-width: 768px) {
  .history-header {
    flex-direction: column;
    gap: 16px;
    align-items: flex-start;
    margin-bottom: 50px;
  }

  .history-section .history-title {
    font-size: 28px;
  }

  .history-intro {
    font-size: 14px;
  }

  .history-year {
    font-size: 16px;
  }

  .history-blocks {
    grid-template-columns: 1fr;
    margin-bottom: 40px;
  }

  .history-block {
    padding-right: 0;
  }

  .history-list li {
    font-size: 14px;
  }
}

/* ===== Location ===== */
.location-row {
  display: flex;
  align-items: flex-start;
  gap: 40px;
  margin-bottom: 80px;
}

.location-info {
  flex: 1;
  min-width: 0;
}

.location-title {
  font-size: 48px;
  font-weight: 700;
  color: #222;
  margin-bottom: 8px;
}

.location-subtitle {
  font-size: 36px;
  color: #555;
  margin-bottom: 16px;
}

.location-address {
  font-size: 14px;
  color: #333;
  line-height: 1.6;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.location-contact {
  font-size: 15px;
  color: #333;
  margin: 0;
}

.location-contact span {
  display: block;
  margin-bottom: 6px;
}

.location-contact span:last-child {
  margin-bottom: 0;
}

.location-contact a {
  color: #4F76F5;
  text-decoration: none;
}

.location-contact a:hover {
  text-decoration: underline;
}

.location-map {
  flex-shrink: 0;
  width: 787px;
  height: 483px;
  overflow: hidden;
  border-radius: 8px;
}

.location-map .root_daum_roughmap {
  width: 100% !important;
  height: 100% !important;
}

@media (max-width: 768px) {
  .location-row {
    flex-direction: column;
  }

  .location-info {
    margin-bottom: 24px;
  }

  .location-map {
    width: 100%;
    height: 433px;
  }

  .location-title {
    font-size: 28px;
  }

  .location-subtitle {
    font-size: 24px;
  }

  .location-address,
  .location-contact {
    font-size: 14px;
  }

  .location-map iframe {
    height: 300px;
  }
}

/* ===== About 반응형 (모바일) ===== */
@media (max-width: 768px) {

  .about-tabs {
    padding: 60px 0 0;
  }

  .about-tabs .container {
    padding: 0;
  }

  .about-tab {
    flex: 1;
    padding: 10px 16px;
    font-size: 14px;
    text-align: center;
  }

  .about-section {
    padding: 40px 0 0;
  }

  .about-section + .about-section::before {
    margin-bottom: 40px;
  }

  .about-business-inner {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .about-section-title {
    font-size: 28px;
    margin-bottom: 0;
  }

  .about-section-title.center {
    margin-bottom: 24px;
  }

  .about-business-list li {
    font-size: 14px;
    margin-bottom: 12px;
  }

  .about-values-grid {
    margin-top: 20px;
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .about-value-card {
    padding: 24px 20px;
  }

  .about-value-card h3 {
    font-size: 24px;
  }

  .about-value-card p {
    font-size: 16px;
  }
  .org-chart img {
    margin-bottom: 50px;
  }

}