/* ============================================================
   ABOUT PAGE - 회사소개 페이지 전용 스타일
   ============================================================ */

.pi-about {
  /* 페이지 전체 컨테이너 */
}

/* ============================================================
   ① ABOUT HERO - 페이지 헤더
   ============================================================ */
.pi-about-hero {
  position: relative;
  background: var(--pi-navy-950);
  color: var(--pi-white);
  padding: 100px 0 0;
  overflow: hidden;
  isolation: isolate;
}

.pi-about-hero-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
}

.pi-about-hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(212, 164, 55, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(212, 164, 55, 0.08) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(ellipse at 70% 30%, black 0%, transparent 80%);
  mask-image: radial-gradient(ellipse at 70% 30%, black 0%, transparent 80%);
}

.pi-about-hero-glow {
  position: absolute;
  width: 700px;
  height: 700px;
  top: -200px;
  right: -150px;
  background: radial-gradient(circle, rgba(212, 164, 55, 0.18) 0%, transparent 60%);
  filter: blur(40px);
  border-radius: 50%;
}

.pi-about-hero-inner {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 80px;
  align-items: center;
  padding-bottom: 80px;
  min-height: 460px;
}

.pi-about-hero-tag {
  margin-bottom: 32px;
  font-size: 11px;
}

.pi-about-hero-title {
  font-size: clamp(32px, 4.5vw, 52px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.025em;
  color: var(--pi-white);
  margin: 0 0 28px 0;
}
.pi-about-hero-accent {
  background: linear-gradient(120deg, var(--pi-gold-500), var(--pi-gold-300));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.pi-about-hero-en {
  font-family: var(--pi-font-display);
  font-size: 16px;
  line-height: 1.6;
  color: var(--pi-gray-400);
  font-weight: 300;
  font-style: italic;
  margin: 0;
}

/* HERO 우측 마크 그리드 */
.pi-about-hero-mark {
  position: relative;
}
.pi-about-mark-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border: 1px solid rgba(212, 164, 55, 0.25);
  border-radius: var(--pi-radius-md);
  background: rgba(212, 164, 55, 0.04);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  overflow: hidden;
}
.pi-about-mark-cell {
  padding: 32px 24px;
  border-right: 1px solid rgba(212, 164, 55, 0.15);
  border-bottom: 1px solid rgba(212, 164, 55, 0.15);
  display: flex;
  flex-direction: column;
  gap: 8px;
  position: relative;
}
.pi-about-mark-cell:nth-child(2n) { border-right: none; }
.pi-about-mark-cell:nth-last-child(-n+2) { border-bottom: none; }

.pi-about-mark-label {
  font-family: var(--pi-font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--pi-gold-400);
  text-transform: uppercase;
}
.pi-about-mark-value {
  font-family: var(--pi-font-display);
  font-size: 36px;
  font-weight: 800;
  color: var(--pi-white);
  letter-spacing: -0.02em;
  line-height: 1;
}
.pi-about-mark-value small {
  font-size: 22px;
  color: var(--pi-gold-400);
  margin-left: 2px;
}

/* HERO 하단 페이지 내 네비게이션 */
.pi-about-nav {
  background: rgba(0, 0, 0, 0.3);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  position: relative;
  z-index: 2;
}
.pi-about-nav-list {
  display: flex;
  gap: 40px;
  margin: 0;
  padding: 0;
  flex-wrap: wrap;
  justify-content: center;
}
.pi-about-nav-list li { margin: 0; }
.pi-about-nav-list a {
  display: inline-block;
  padding: 18px 4px;
  font-family: var(--pi-font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--pi-gray-400);
  position: relative;
  transition: color 0.2s ease;
}
.pi-about-nav-list a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--pi-gold-500);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.pi-about-nav-list a:hover {
  color: var(--pi-gold-400);
}
.pi-about-nav-list a:hover::after {
  transform: scaleX(1);
}

/* ============================================================
   ② WHY PICODE - 4대 영역 도메인 카드 (디테일 버전)
   ============================================================ */
.pi-domain-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-bottom: 40px;
}

.pi-domain {
  background: var(--pi-white);
  border: 1px solid var(--pi-gray-200);
  border-radius: var(--pi-radius-md);
  overflow: hidden;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}
.pi-domain::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--pi-navy-950);
  transition: background 0.3s;
}
.pi-domain:hover {
  transform: translateY(-4px);
  box-shadow: var(--pi-shadow-xl);
  border-color: var(--pi-gold-500);
}
.pi-domain:hover::before {
  background: var(--pi-gold-500);
}

.pi-domain-head {
  padding: 36px 36px 24px;
  background: var(--pi-gray-50);
  border-bottom: 1px solid var(--pi-gray-100);
  position: relative;
}
.pi-domain-num {
  position: absolute;
  top: 24px;
  right: 32px;
  font-family: var(--pi-font-display);
  font-size: 56px;
  font-weight: 800;
  color: rgba(5, 11, 31, 0.08);
  letter-spacing: -0.04em;
  line-height: 1;
  transition: color 0.3s;
}
.pi-domain:hover .pi-domain-num {
  color: rgba(212, 164, 55, 0.2);
}
.pi-domain-title {
  font-size: 24px;
  font-weight: 700;
  margin: 0 0 4px 0;
  color: var(--pi-navy-950);
  position: relative;
  z-index: 1;
}
.pi-domain-sub {
  font-size: 14px;
  color: var(--pi-gold-600);
  font-weight: 500;
  margin: 0;
  position: relative;
  z-index: 1;
}

.pi-domain-body {
  padding: 28px 36px 32px;
}
.pi-domain-body p {
  font-size: 15px;
  line-height: 1.75;
  color: var(--pi-gray-700);
  margin: 0 0 20px 0;
}
.pi-domain-points {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 18px 0 0 0;
  border-top: 1px dashed var(--pi-gray-200);
  margin: 0;
}
.pi-domain-points li {
  position: relative;
  padding-left: 22px;
  font-size: 14px;
  color: var(--pi-gray-700);
  line-height: 1.5;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.pi-domain-points li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 12px;
  height: 2px;
  background: var(--pi-gold-500);
}
.pi-domain-badge {
  display: inline-block;
  font-family: var(--pi-font-mono);
  font-size: 9px;
  font-weight: 600;
  background: var(--pi-gold-500);
  color: var(--pi-navy-950);
  padding: 2px 7px;
  border-radius: var(--pi-radius-full);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-left: 4px;
}

/* ============================================================
   ③ COMPANY OVERVIEW - 회사 현황
   ============================================================ */
.pi-overview-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 64px;
  align-items: start;
}

/* 좌측: 회사 정보 표 */
.pi-overview-info {
  position: relative;
}
.pi-overview-info-line {
  width: 60px;
  height: 3px;
  background: var(--pi-gold-500);
  margin-bottom: 32px;
}

.pi-overview-table {
  margin: 0;
  padding: 0;
}
.pi-overview-row {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 24px;
  padding: 20px 0;
  border-bottom: 1px solid var(--pi-gray-100);
}
.pi-overview-row:first-child {
  border-top: 1px solid var(--pi-gray-100);
}
.pi-overview-row dt {
  font-size: 13px;
  color: var(--pi-gray-500);
  font-family: var(--pi-font-mono);
  letter-spacing: 0.05em;
  font-weight: 500;
  margin: 0;
  padding-top: 2px;
}
.pi-overview-row dd {
  font-size: 15px;
  color: var(--pi-navy-950);
  font-weight: 600;
  margin: 0;
}
.pi-overview-row dd a {
  color: var(--pi-navy-950);
  border-bottom: 1px solid var(--pi-gold-500);
  padding-bottom: 1px;
  transition: color 0.2s;
}
.pi-overview-row dd a:hover {
  color: var(--pi-gold-600);
}

/* 우측: Key Capabilities */
.pi-capabilities {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.pi-capabilities-title {
  font-family: var(--pi-font-mono);
  font-size: 12px;
  letter-spacing: 0.15em;
  color: var(--pi-gold-600);
  font-weight: 600;
  text-transform: uppercase;
  margin-bottom: 12px;
  padding-left: 4px;
}

.pi-capability {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 24px 28px;
  background: var(--pi-white);
  border: 1px solid var(--pi-gray-200);
  border-left: 4px solid var(--pi-gold-500);
  border-radius: var(--pi-radius-md);
  transition: all 0.3s;
}
.pi-capability:hover {
  transform: translateX(4px);
  box-shadow: var(--pi-shadow-md);
  border-left-width: 6px;
}

.pi-capability-num {
  font-family: var(--pi-font-display);
  font-size: 44px;
  font-weight: 800;
  color: var(--pi-navy-950);
  letter-spacing: -0.03em;
  line-height: 1;
  flex-shrink: 0;
  min-width: 110px;
}
.pi-capability-num small {
  font-size: 26px;
  color: var(--pi-gold-500);
  margin-left: 2px;
}
.pi-capability-num-text {
  font-size: 28px;
  letter-spacing: -0.02em;
}

.pi-capability-text {
  flex: 1;
}
.pi-capability-label {
  font-size: 15px;
  font-weight: 700;
  color: var(--pi-navy-950);
  margin-bottom: 2px;
}
.pi-capability-desc {
  font-size: 13px;
  color: var(--pi-gray-500);
  line-height: 1.5;
}

/* ============================================================
   ④ PROJECT TIMELINE - 연혁
   ============================================================ */
.pi-timeline {
  position: relative;
  margin-top: 60px;
  padding: 0 0 40px;
}

/* 가로 라인 (전체 길이) */
.pi-timeline-track {
  position: absolute;
  top: 18px;
  left: 0;
  right: 0;
  height: 2px;
  background: rgba(212, 164, 55, 0.15);
  border-radius: 2px;
  z-index: 1;
}
.pi-timeline-progress {
  position: absolute;
  top: 0;
  left: 0;
  width: 83%; /* 2025까지 (현재) */
  height: 100%;
  background: linear-gradient(90deg, var(--pi-gold-500), var(--pi-gold-300));
  border-radius: 2px;
  box-shadow: 0 0 12px rgba(212, 164, 55, 0.4);
}

/* 연도 7개 그리드 */
.pi-timeline-years {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 12px;
  position: relative;
  z-index: 2;
}

.pi-timeline-year {
  position: relative;
  padding-top: 56px;
}

/* 노드 (점) */
.pi-timeline-node {
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.pi-timeline-dot {
  display: block;
  width: 12px;
  height: 12px;
  background: var(--pi-gold-500);
  border-radius: 50%;
  box-shadow: 0 0 0 4px var(--pi-navy-950), 0 0 16px rgba(212, 164, 55, 0.5);
  position: relative;
  z-index: 2;
}
.pi-timeline-year.is-future .pi-timeline-dot {
  background: var(--pi-gray-600);
  box-shadow: 0 0 0 4px var(--pi-navy-950);
}
.pi-timeline-year.is-current .pi-timeline-dot {
  background: var(--pi-cyan-400);
  box-shadow: 0 0 0 4px var(--pi-navy-950), 0 0 16px rgba(56, 214, 240, 0.6);
}
/* 현재 연도 펄스 */
.pi-timeline-pulse {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 12px;
  height: 12px;
  border: 2px solid var(--pi-cyan-400);
  border-radius: 50%;
  z-index: 1;
  animation: pi-timeline-pulse 2s ease-out infinite;
}
@keyframes pi-timeline-pulse {
  0% {
    width: 12px;
    height: 12px;
    opacity: 0.8;
  }
  100% {
    width: 32px;
    height: 32px;
    opacity: 0;
  }
}

.pi-timeline-label {
  font-family: var(--pi-font-display);
  font-size: 22px;
  font-weight: 800;
  color: var(--pi-white);
  letter-spacing: -0.02em;
  margin: 0 0 14px 0;
  text-align: center;
  line-height: 1;
}
.pi-timeline-year.is-future .pi-timeline-label {
  color: var(--pi-gray-500);
}
.pi-timeline-year.is-current .pi-timeline-label {
  color: var(--pi-cyan-400);
  font-size: 24px;
}

.pi-timeline-items {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 0;
  padding: 18px 14px;
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-top: 2px solid rgba(212, 164, 55, 0.4);
  border-radius: var(--pi-radius-md);
  min-height: 100%;
}
.pi-timeline-year.is-current .pi-timeline-items {
  background: rgba(56, 214, 240, 0.04);
  border-color: rgba(56, 214, 240, 0.15);
  border-top-color: var(--pi-cyan-400);
}
.pi-timeline-year.is-future .pi-timeline-items {
  background: rgba(255, 255, 255, 0.015);
  border-top-color: rgba(255, 255, 255, 0.1);
  opacity: 0.7;
}

.pi-timeline-items li {
  font-size: 12px;
  line-height: 1.55;
  color: var(--pi-gray-200);
  position: relative;
  padding-left: 12px;
  word-break: keep-all;
}
.pi-timeline-items li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 7px;
  width: 5px;
  height: 5px;
  background: var(--pi-gold-500);
  border-radius: 50%;
}
.pi-timeline-year.is-current .pi-timeline-items li::before {
  background: var(--pi-cyan-400);
}
.pi-timeline-year.is-future .pi-timeline-items li::before {
  background: var(--pi-gray-500);
}

.pi-timeline-meta {
  color: var(--pi-gold-400);
  font-family: var(--pi-font-mono);
  font-size: 10px;
  letter-spacing: 0.02em;
}
.pi-timeline-year.is-current .pi-timeline-meta {
  color: var(--pi-cyan-400);
}
.pi-timeline-badge {
  display: inline-block;
  margin-left: 2px;
  font-size: 11px;
}

/* ============================================================
   ⑤ TEST SERVICE CASE STUDY - 시험대행 사례
   ============================================================ */
.pi-case-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 56px;
  align-items: center;
}

/* 좌측: 챔버 비주얼 */
.pi-case-visual {
  position: relative;
}
.pi-case-mock {
  border-radius: var(--pi-radius-lg);
  overflow: hidden;
  box-shadow: var(--pi-shadow-xl);
  position: relative;
}
.pi-case-mock-svg {
  width: 100%;
  height: auto;
  display: block;
}

/* 우측: 사양 정보 */
.pi-case-info {
  position: relative;
}
.pi-case-header {
  margin-bottom: 24px;
}
.pi-case-tag {
  display: inline-block;
  padding: 6px 14px;
  background: var(--pi-navy-950);
  color: var(--pi-gold-400);
  font-family: var(--pi-font-mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  font-weight: 600;
  border-radius: var(--pi-radius-full);
}

.pi-case-spec {
  margin: 0 0 32px 0;
  padding: 0;
}
.pi-case-spec-row {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 20px;
  padding: 16px 0;
  border-bottom: 1px solid var(--pi-gray-200);
  align-items: baseline;
}
.pi-case-spec-row:first-child {
  border-top: 1px solid var(--pi-gray-200);
}
.pi-case-spec-row dt {
  font-family: var(--pi-font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--pi-gray-500);
  font-weight: 500;
  margin: 0;
}
.pi-case-spec-row dd {
  font-size: 15px;
  color: var(--pi-navy-950);
  font-weight: 600;
  margin: 0;
}
.pi-case-meta {
  font-family: var(--pi-font-mono);
  font-size: 11px;
  color: var(--pi-gold-600);
  font-weight: 500;
  margin-left: 4px;
}
.pi-case-code {
  display: inline-block;
  font-family: var(--pi-font-mono);
  background: var(--pi-navy-950);
  color: var(--pi-cyan-400);
  padding: 2px 8px;
  border-radius: var(--pi-radius-sm);
  font-size: 13px;
  letter-spacing: 0.02em;
}

/* 성과 박스 */
.pi-case-outcome {
  background: linear-gradient(135deg, rgba(212, 164, 55, 0.06), rgba(212, 164, 55, 0.02));
  border-left: 4px solid var(--pi-gold-500);
  border-radius: 0 var(--pi-radius-md) var(--pi-radius-md) 0;
  padding: 20px 24px;
}
.pi-case-outcome-tag {
  font-family: var(--pi-font-mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  color: var(--pi-gold-600);
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.pi-case-outcome-text {
  font-size: 14px;
  line-height: 1.7;
  color: var(--pi-navy-950);
  margin: 0;
}
.pi-case-outcome-text strong {
  color: var(--pi-gold-700, var(--pi-gold-600));
  font-weight: 700;
}

/* ============================================================
   ⑥ CERTIFICATIONS & IP - 인증 및 지식재산
   ============================================================ */
.pi-certs-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: start;
  max-width: 720px;
  margin: 0 auto;
}

.pi-certs-list-tag {
  font-family: var(--pi-font-mono);
  font-size: 12px;
  letter-spacing: 0.15em;
  color: var(--pi-gold-600);
  font-weight: 600;
  text-transform: uppercase;
  margin-bottom: 24px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--pi-gold-500);
  display: inline-block;
}

/* 좌측: 인증 리스트 */
.pi-cert-items {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin: 0;
  padding: 0;
}
.pi-cert-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--pi-gray-100);
  transition: padding-left 0.2s ease;
}
.pi-cert-item:hover {
  padding-left: 6px;
}
.pi-cert-item:last-child {
  border-bottom: none;
}
.pi-cert-bullet {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  background: var(--pi-gold-100);
  color: var(--pi-gold-600);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
}
.pi-cert-text {
  font-size: 15px;
  color: var(--pi-navy-950);
  font-weight: 500;
  line-height: 1.5;
  flex: 1;
}
.pi-cert-sub {
  display: block;
  font-family: var(--pi-font-mono);
  font-size: 11px;
  color: var(--pi-gray-500);
  letter-spacing: 0.05em;
  margin-top: 4px;
  font-weight: 400;
}

/* 수상 아이템 강조 */
.pi-cert-item-award {
  background: linear-gradient(135deg, rgba(212, 164, 55, 0.06), rgba(212, 164, 55, 0.02));
  border-left: 3px solid var(--pi-gold-500);
  border-radius: 0 var(--pi-radius-sm) var(--pi-radius-sm) 0;
  padding: 14px 16px !important;
  margin-top: 8px;
}
.pi-cert-item-award:hover {
  padding-left: 22px !important;
}
.pi-cert-item-award .pi-cert-bullet {
  background: var(--pi-gold-500);
  color: var(--pi-navy-950);
}
.pi-cert-item-award .pi-cert-text {
  font-weight: 700;
  color: var(--pi-navy-950);
}

/* 우측: 인증서 카드 갤러리 */
.pi-cert-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.pi-cert-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.pi-cert-card-mock {
  position: relative;
  border-radius: var(--pi-radius-md);
  overflow: hidden;
  box-shadow: var(--pi-shadow-md);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  aspect-ratio: 200 / 280;
  background: #FAFBFD;
}
.pi-cert-card-mock:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: var(--pi-shadow-xl);
}
.pi-cert-card-mock svg {
  width: 100%;
  height: 100%;
  display: block;
}
.pi-cert-card-label {
  font-size: 13px;
  color: var(--pi-gray-700);
  font-weight: 500;
  text-align: center;
  font-family: var(--pi-font-body);
}

/* ============================================================
   ⑦ ORGANIZATION - 조직도
   ============================================================ */
.pi-org-chart {
  position: relative;
  padding: 32px 0 0;
}

.pi-org-level {
  display: flex;
  justify-content: center;
  align-items: stretch;
  gap: 24px;
  position: relative;
}

/* 노드 공통 */
.pi-org-node {
  background: var(--pi-white);
  border: 1px solid var(--pi-gray-200);
  border-radius: var(--pi-radius-md);
  padding: 18px 32px;
  text-align: center;
  box-shadow: var(--pi-shadow-md);
  transition: all 0.3s ease;
  min-width: 220px;
  position: relative;
  z-index: 2;
}
.pi-org-node:hover {
  transform: translateY(-2px);
  box-shadow: var(--pi-shadow-lg);
}

.pi-org-node-en {
  font-family: var(--pi-font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--pi-navy-950);
  letter-spacing: -0.01em;
  margin-bottom: 4px;
}
.pi-org-node-ko {
  font-size: 13px;
  color: var(--pi-gold-600);
  font-weight: 500;
}

/* LEVEL 1: President - 가장 강조 */
.pi-org-node-president {
  background: var(--pi-navy-950);
  color: var(--pi-white);
  border-color: var(--pi-navy-950);
  border-top: 4px solid var(--pi-gold-500);
  padding: 24px 56px;
  min-width: 280px;
}
.pi-org-node-president .pi-org-node-en {
  color: var(--pi-white);
  font-size: 20px;
}
.pi-org-node-president .pi-org-node-ko {
  color: var(--pi-gold-400);
  font-size: 14px;
  font-family: var(--pi-font-mono);
  letter-spacing: 0.05em;
}

/* LEVEL 2: Strategy + R&D Center */
.pi-org-node-strategy {
  border-top: 3px solid var(--pi-gray-400);
}
.pi-org-node-rd {
  border-top: 3px solid var(--pi-gold-500);
  background: linear-gradient(180deg, var(--pi-white), rgba(212, 164, 55, 0.04));
}

/* 연결선 */
.pi-org-line {
  position: relative;
  z-index: 1;
}
.pi-org-line-v {
  width: 2px;
  height: 36px;
  background: var(--pi-gray-300);
  margin: 0 auto;
}

/* LEVEL 3: 7개 팀 */
.pi-org-level-3 {
  flex-direction: column;
  gap: 24px;
  margin-top: 8px;
}

.pi-org-group {
  width: 100%;
}
.pi-org-group-label {
  font-family: var(--pi-font-mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  color: var(--pi-gray-500);
  text-transform: uppercase;
  text-align: center;
  margin-bottom: 16px;
  position: relative;
}
.pi-org-group-label::before,
.pi-org-group-label::after {
  content: '';
  display: inline-block;
  width: 60px;
  height: 1px;
  background: var(--pi-gray-300);
  vertical-align: middle;
  margin: 0 16px;
}
.pi-org-group-rd .pi-org-group-label {
  color: var(--pi-gold-600);
}
.pi-org-group-rd .pi-org-group-label::before,
.pi-org-group-rd .pi-org-group-label::after {
  background: var(--pi-gold-500);
}

/* 팀 카드 그리드 */
.pi-org-group-rd .pi-org-group-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.pi-org-group-biz .pi-org-group-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  max-width: 720px;
  margin: 0 auto;
}

.pi-org-team {
  background: var(--pi-white);
  border: 1px solid var(--pi-gray-200);
  border-radius: var(--pi-radius-md);
  padding: 24px 22px;
  position: relative;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border-top: 3px solid var(--pi-gold-500);
}
.pi-org-team-biz {
  border-top-color: var(--pi-navy-700);
}
.pi-org-team:hover {
  transform: translateY(-3px);
  box-shadow: var(--pi-shadow-lg);
  border-color: var(--pi-gold-400);
}
.pi-org-team-biz:hover {
  border-color: var(--pi-navy-700);
}

.pi-org-team-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  padding-bottom: 14px;
  border-bottom: 1px dashed var(--pi-gray-200);
}
.pi-org-team-num {
  font-family: var(--pi-font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--pi-gold-600);
  background: var(--pi-gold-100);
  padding: 4px 8px;
  border-radius: var(--pi-radius-sm);
  letter-spacing: 0.05em;
  flex-shrink: 0;
}
.pi-org-team-biz .pi-org-team-num {
  background: var(--pi-gray-100);
  color: var(--pi-navy-700);
}

.pi-org-team-title {
  font-family: var(--pi-font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--pi-navy-950);
  letter-spacing: -0.01em;
  margin: 0;
  line-height: 1.2;
}
.pi-org-team-sub {
  font-size: 12px;
  color: var(--pi-gray-500);
  margin: 2px 0 0 0;
}

.pi-org-team-roles {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin: 0;
  padding: 0;
}
.pi-org-team-roles li {
  position: relative;
  padding-left: 14px;
  font-size: 13px;
  color: var(--pi-gray-700);
  line-height: 1.5;
}
.pi-org-team-roles li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 1.5px;
  background: var(--pi-gold-500);
}
.pi-org-team-biz .pi-org-team-roles li::before {
  background: var(--pi-navy-700);
}

/* RESPONSIVE - Organization */
@media (max-width: 1023px) {
  .pi-org-group-rd .pi-org-group-cards {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 768px) {
  .pi-org-node {
    min-width: 180px;
    padding: 14px 20px;
  }
  .pi-org-node-president {
    min-width: 220px;
    padding: 18px 32px;
  }
  .pi-org-level-2 {
    flex-direction: column;
    gap: 12px;
    align-items: center;
  }
  .pi-org-group-rd .pi-org-group-cards,
  .pi-org-group-biz .pi-org-group-cards {
    grid-template-columns: 1fr;
  }
  .pi-org-team {
    padding: 20px 18px;
  }
}
@media (max-width: 1023px) {
  /* PART 1 */
  .pi-about-hero-inner {
    grid-template-columns: 1fr;
    gap: 48px;
    padding-bottom: 64px;
  }
  .pi-about-hero {
    padding-top: 80px;
  }
  .pi-domain-grid {
    grid-template-columns: 1fr;
  }
  .pi-overview-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  /* PART 2: 타임라인 → 가로 스크롤 */
  .pi-timeline-years {
    grid-template-columns: repeat(7, 240px);
    overflow-x: auto;
    padding-bottom: 16px;
    -webkit-overflow-scrolling: touch;
  }
  .pi-timeline-track {
    width: max-content;
    min-width: 100%;
  }

  /* 케이스 스터디 1열 */
  .pi-case-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  /* 인증 1열 */
  .pi-certs-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
}

@media (max-width: 768px) {
  /* PART 1 */
  .pi-about-hero {
    padding-top: 56px;
  }
  .pi-about-hero-inner {
    padding-bottom: 48px;
    min-height: auto;
  }
  .pi-about-hero-title {
    font-size: 30px;
  }
  .pi-about-mark-grid {
    grid-template-columns: 1fr 1fr;
  }
  .pi-about-mark-cell {
    padding: 20px 16px;
  }
  .pi-about-mark-value {
    font-size: 28px;
  }
  .pi-about-nav-list {
    gap: 20px;
    overflow-x: auto;
    flex-wrap: nowrap;
    justify-content: flex-start;
    padding: 0 4px;
    -webkit-overflow-scrolling: touch;
  }
  .pi-about-nav-list a {
    padding: 14px 4px;
    white-space: nowrap;
    font-size: 11px;
  }

  .pi-domain-head {
    padding: 24px 24px 18px;
  }
  .pi-domain-num {
    font-size: 40px;
    top: 16px;
    right: 20px;
  }
  .pi-domain-body {
    padding: 20px 24px 28px;
  }

  .pi-overview-row {
    grid-template-columns: 1fr;
    gap: 4px;
    padding: 16px 0;
  }
  .pi-overview-row dt {
    font-size: 11px;
  }

  .pi-capability {
    padding: 20px;
    gap: 16px;
  }
  .pi-capability-num {
    font-size: 32px;
    min-width: auto;
  }
  .pi-capability-num small { font-size: 18px; }
  .pi-capability-num-text { font-size: 22px; }

  /* PART 2: 타임라인 모바일 - 세로 */
  .pi-timeline {
    margin-top: 32px;
  }
  .pi-timeline-track {
    top: 0;
    bottom: 0;
    left: 12px;
    right: auto;
    width: 2px;
    height: auto;
  }
  .pi-timeline-progress {
    width: 100%;
    height: 83%;
    background: linear-gradient(180deg, var(--pi-gold-500), var(--pi-gold-300));
  }
  .pi-timeline-years {
    grid-template-columns: 1fr;
    gap: 24px;
    overflow: visible;
  }
  .pi-timeline-year {
    padding-top: 0;
    padding-left: 40px;
  }
  .pi-timeline-node {
    top: 4px;
    left: 12px;
    transform: translateX(-50%);
  }
  .pi-timeline-label {
    text-align: left;
    font-size: 18px;
  }
  .pi-timeline-year.is-current .pi-timeline-label {
    font-size: 20px;
  }

  /* 케이스 스터디 */
  .pi-case-spec-row {
    grid-template-columns: 1fr;
    gap: 4px;
    padding: 12px 0;
  }
  .pi-case-spec-row dt {
    font-size: 11px;
  }
  .pi-case-outcome {
    padding: 16px 18px;
  }

  /* 인증서 카드 */
  .pi-cert-cards {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
  .pi-cert-item {
    padding: 12px 0;
  }
  .pi-cert-text {
    font-size: 14px;
  }
}