/* ==============================
   about.css — 회사소개 페이지
   ============================== */



/* ---------- 공통 섹션 ---------- */
.about-section {
  padding: 96px 80px;
}
.about-section .container {
  max-width: 1280px;
  margin: 0 auto;
}
.about-section-alt {
  background: #F5F7FA;
}
.section-eyebrow {
  font-size: 13px;
  font-weight: 700;
  color: #1E5EFF;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 14px;
}
.section-heading {
  font-size: 36px;
  font-weight: 800;
  color: #0A1F44;
  margin: 0;
  letter-spacing: -0.02em;
}

/* ---------- [01] CEO MESSAGE ---------- */
.ceo-grid {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 64px;
  align-items: center;
}
.ceo-portrait {
  width: 100%;
  max-width: 480px;
  aspect-ratio: 16/9;
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(10, 31, 68, 0.12);
  object-fit: contain;
  background: #f2f5f9;
  display: block;
}
.ceo-quote {
  font-size: 24px;
  font-weight: 700;
  color: #0A1F44;
  font-style: italic;
  line-height: 1.6;
  margin: 0 0 32px;
  letter-spacing: -0.01em;
  text-wrap: pretty;
}
.ceo-name {
  display: flex;
  align-items: center;
  gap: 12px;
}
.ceo-name-bar {
  width: 32px;
  height: 2px;
  background: #1E5EFF;
}
.ceo-name-text {
  font-size: 16px;
  color: #6B7585;
  font-weight: 500;
}

/* ---------- [02] 회사 개요 ---------- */
.overview-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.overview-card {
  background: #fff;
  border: 1px solid #E1E6EE;
  border-radius: 12px;
  padding: 24px;
}
.overview-card-label {
  font-size: 12px;
  color: #6B7585;
  margin-bottom: 10px;
  letter-spacing: 0.02em;
}
.overview-card-value {
  font-size: 18px;
  font-weight: 700;
  color: #0A1F44;
}

/* ---------- [03] 연혁 슬라이더 ---------- */
.timeline-slider {
  display: flex;
  align-items: center;
  gap: 16px;
  position: relative;
}
.timeline-arrow {
  flex: none;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1.5px solid #E1E6EE;
  background: #fff;
  color: #0A1F44;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s;
  z-index: 2;
}
.timeline-arrow:hover {
  border-color: #1E5EFF;
  color: #1E5EFF;
  box-shadow: 0 4px 12px rgba(30,94,255,0.15);
}
.timeline-arrow:disabled {
  opacity: 0.3;
  cursor: default;
  box-shadow: none;
}
.timeline-viewport {
  flex: 1;
  overflow: hidden;
  position: relative;
}
.timeline-track {
  display: flex;
  gap: 0;
  transition: transform 0.4s ease;
  position: relative;
}
.timeline-line-abs {
  position: absolute;
  top: 56px;
  left: 0;
  right: 0;
  height: 2px;
  background: #E1E6EE;
  z-index: 0;
}
.timeline-node {
  flex: 0 0 180px;
  text-align: center;
  position: relative;
  z-index: 1;
  padding: 0 8px;
}
.timeline-year {
  font-size: 22px;
  font-weight: 800;
  color: #0A1F44;
  height: 32px;
  line-height: 32px;
}
.timeline-dot-wrap {
  display: flex;
  justify-content: center;
  margin: 16px 0;
}
.timeline-dot {
  width: 16px;
  height: 16px;
  border-radius: 999px;
  background: #1E5EFF;
  box-shadow: 0 0 0 4px #fff;
}
.timeline-text {
  font-size: 13px;
  color: #6B7585;
  line-height: 1.5;
  min-height: 40px;
}

/* ---------- [04] 특허 & 수상 ---------- */
.patents-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.patent-card {
  background: #fff;
  border: 1px solid #E1E6EE;
  border-radius: 12px;
  overflow: hidden;
  display: block;
  text-decoration: none;
  color: inherit;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.patent-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(10, 31, 68, 0.08);
}
.patent-card-img {
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, #E3EBF7, #C9D6EC);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #7E8BA6;
  font-size: 13px;
  font-weight: 600;
  overflow: hidden;
}
.patent-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.patent-card-body {
  padding: 24px;
}
.patent-card-title {
  font-size: 16px;
  font-weight: 700;
  color: #0A1F44;
  line-height: 1.45;
  margin-bottom: 12px;
}
.patent-card-org {
  font-size: 14px;
  color: #6B7585;
  margin-bottom: 4px;
}
.patent-card-year {
  font-size: 12px;
  color: #6B7585;
}

/* ---------- [05] 실증 지역 ---------- */
.field-map-wrap {
  position: relative;
  width: 100%;
  max-width: 760px;
  margin: 0 auto;
  aspect-ratio: 5/4;
  background: #F5F7FA;
  border: 1px solid #E1E6EE;
  border-radius: 12px;
  overflow: hidden;
}
.field-map-svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.map-pin {
  position: absolute;
  transform: translate(-50%, -50%);
  cursor: pointer;
  z-index: 3;
}
.map-pin-tip {
  position: absolute;
  bottom: 26px;
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  background: #0A1F44;
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  border-radius: 6px;
  padding: 8px 12px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
}
.map-pin-dot {
  width: 16px;
  height: 16px;
  border-radius: 999px;
  background: #1E5EFF;
  box-shadow: 0 0 0 5px rgba(30, 94, 255, 0.18);
  transition: transform 0.2s ease;
}
.map-pin:hover .map-pin-tip {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}
.map-pin:hover .map-pin-dot {
  transform: scale(1.3);
}
.field-cta {
  text-align: center;
  margin-top: 40px;
}
.btn-outline-dark {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 56px;
  padding: 0 24px;
  background: transparent;
  color: #0A1F44;
  font-size: 16px;
  font-weight: 600;
  border: 1.5px solid #0A1F44;
  border-radius: 8px;
  text-decoration: none;
  transition: all 0.2s ease;
}
.btn-outline-dark:hover {
  background: #0A1F44;
  color: #fff;
}

/* ---------- reveal 애니메이션 ---------- */
.reveal-about {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.5s ease-out, transform 0.5s ease-out;
}
.reveal-about.visible {
  opacity: 1;
  transform: none;
}

/* ---------- 반응형: 태블릿 ---------- */
@media (max-width: 1279px) {
  .about-section { padding: 72px 48px; }
  .section-heading { font-size: 30px; }
  .ceo-grid { grid-template-columns: 1fr !important; gap: 40px !important; }
  .ceo-portrait { margin: 0 auto; }
  .overview-grid { grid-template-columns: repeat(2, 1fr) !important; }
  .patents-grid { grid-template-columns: repeat(2, 1fr) !important; }
  .timeline-arrow { width: 36px; height: 36px; }
  .timeline-node { flex: 0 0 150px; }
  .timeline-year { font-size: 18px; }
  .field-map-wrap { max-width: 100%; }
}

/* ---------- 반응형: 모바일 ---------- */
@media (max-width: 767px) {
  .about-section { padding: 56px 20px !important; }
  .section-heading { font-size: 26px; }
  .sub-hero-title { font-size: 32px !important; }
  .sub-hero-desc { font-size: 16px !important; }

  /* CEO */
  .ceo-grid { gap: 28px !important; }
  .ceo-portrait { width: 100%; max-width: 100%; margin: 0 auto; }
  .ceo-quote { font-size: 20px !important; margin-bottom: 24px; }

  /* 회사 개요 */
  .overview-grid { grid-template-columns: 1fr !important; }
  .overview-card { padding: 20px; }
  .overview-card-value { font-size: 16px; }

  /* 연혁 */
  .timeline-slider { gap: 8px; }
  .timeline-arrow { width: 32px; height: 32px; }
  .timeline-node { flex: 0 0 130px; }
  .timeline-year { font-size: 16px; }
  .timeline-text { font-size: 11px; }

  /* 특허 & 수상 */
  .patents-grid { grid-template-columns: 1fr !important; }
  .patent-card-body { padding: 20px; }
  .patent-card-title { font-size: 15px; }

  /* 실증 지역 */
  .field-map-wrap { max-width: 100%; border-radius: 8px; }
  .field-cta { margin-top: 28px; }
  .btn-outline-dark { width: 100%; justify-content: center; height: 48px; font-size: 15px; }
}

@media (prefers-reduced-motion: reduce) {
  .reveal-about { opacity: 1; transform: none; transition: none; }
}