/* ==============================
   VARIABLES & RESET
============================== */
:root {
  --navy:      #0F1F3D;
  --steel:     #2E5C8A;
  --light-blue:#85B7EB;
  --bg-light:  #F5F6F8;
  --white:     #FFFFFF;
  --border:    #D0D6DF;
  --text:      #1A2A40;
  --text-muted:#5A6A7E;

  --header-h: 64px;
  --container: 1160px;
  --gap: 24px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }

/* ==============================
   LAYOUT UTILITIES
============================== */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

section { padding: 96px 0; }
section:nth-child(even) { background: var(--bg-light); }
#org { background: var(--bg-light); }
#history { background: var(--white); }

.section-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--steel);
  text-transform: uppercase;
  margin-bottom: 12px;
}
.section-label--light { color: var(--light-blue); }

.section-title {
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 48px;
  line-height: 1.3;
}
.section-title--light { color: var(--white); }

/* ==============================
   PAGE LAYOUT (서브 페이지)
============================== */
.page-main { padding-top: var(--header-h); }

.page-hero {
  background: var(--navy);
  padding: 56px 0 48px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.page-hero-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.22em;
  color: var(--light-blue);
  text-transform: uppercase;
  margin-bottom: 10px;
}
.page-hero-title {
  font-size: clamp(26px, 4vw, 40px);
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.01em;
}

.section--white { padding: 80px 0; background: var(--white); }
.section--gray  { padding: 80px 0; background: var(--bg-light); }

/* ==============================
   BUTTONS
============================== */
.btn-primary {
  display: inline-block;
  padding: 14px 32px;
  background: var(--steel);
  color: var(--white);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.03em;
  border: 2px solid var(--steel);
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}
.btn-primary:hover { background: var(--navy); border-color: var(--navy); }

.btn-outline {
  display: inline-block;
  margin-top: 32px;
  padding: 12px 28px;
  border: 2px solid var(--light-blue);
  color: var(--light-blue);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.05em;
  transition: background 0.2s, color 0.2s;
}
.btn-outline:hover { background: var(--light-blue); color: var(--navy); }

/* ==============================
   HEADER — 참고 사이트 스타일 (흰 배경)
============================== */
#header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  background: var(--white);
  border-bottom: 1px solid var(--border);
  z-index: 100;
}

#header.scrolled { box-shadow: 0 2px 12px rgba(0,0,0,0.08); }

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

/* ---- 언어 토글 ---- */
.lang-toggle {
  display: flex;
  align-items: center;
  background: var(--bg-light);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 3px;
  gap: 2px;
  flex-shrink: 0;
}
.lang-btn {
  padding: 3px 11px;
  border: none;
  border-radius: 16px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  cursor: pointer;
  background: transparent;
  color: var(--text-muted);
  transition: background 0.18s, color 0.18s;
  line-height: 1.6;
}
.lang-btn.active {
  background: var(--steel);
  color: var(--white);
}

.logo {
  display: flex;
  align-items: baseline;
  gap: 6px;
  color: var(--navy);
}
.logo-main {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.12em;
}
.logo-sub {
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.18em;
  color: var(--steel);
}

#main-nav ul {
  display: flex;
  gap: 48px;
}
#main-nav a {
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  letter-spacing: 0.02em;
  padding: 4px 0;
  border-bottom: 2px solid transparent;
  transition: color 0.15s, border-color 0.15s;
}
#main-nav a:hover,
#main-nav a.active {
  color: var(--navy);
  font-weight: 700;
  border-bottom-color: var(--steel);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--navy);
  transition: transform 0.25s, opacity 0.25s;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ==============================
   HERO
============================== */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 0;
  overflow: hidden;
  background: var(--navy);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-color: var(--navy);
  pointer-events: none;
}

.hero-bg-overlay {
  position: absolute;
  inset: 0;
  background: rgba(10, 20, 45, 0.55);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  padding-top: var(--header-h);
}

.hero-eyebrow {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.25em;
  color: var(--light-blue);
  text-transform: uppercase;
  margin-bottom: 20px;
}

.hero-headline {
  font-size: clamp(32px, 5vw, 60px);
  font-weight: 700;
  color: var(--white);
  line-height: 1.25;
  margin-bottom: 20px;
  letter-spacing: -0.01em;
}

.hero-sub {
  font-size: clamp(15px, 2vw, 18px);
  color: rgba(255,255,255,0.6);
  margin-bottom: 40px;
  font-weight: 400;
}

.hero-scroll-hint {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
}
.hero-scroll-hint span {
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, transparent, rgba(133,183,235,0.7));
  animation: scrollPulse 1.6s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%, 100% { opacity: 0; transform: scaleY(0.5); }
  50% { opacity: 1; transform: scaleY(1); }
}

/* ==============================
   ABOUT
============================== */
.about-photos {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 28px;
}
.about-photos img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  border: 1px solid var(--border);
}

/* ==============================
   (구분선)
============================== */
.about-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.about-text p { color: var(--text-muted); margin-bottom: 16px; font-size: 15px; }
.about-text p:last-child { margin-bottom: 0; }

.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.stat-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 28px 16px;
  border: 1px solid var(--border);
  background: var(--white);
  text-align: center;
  transition: background 0.2s, border-color 0.2s;
  cursor: default;
}
.stat-card:hover {
  background: var(--navy);
  border-color: var(--navy);
}
.stat-card:hover .stat-value,
.stat-card:hover .stat-label {
  color: var(--white);
}
.stat-value {
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 700;
  color: var(--navy);
  letter-spacing: -0.02em;
  margin-bottom: 6px;
}
.stat-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ==============================
   ORG CHART (새 디자인)
============================== */
.oc-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  overflow-x: auto;
  padding-bottom: 8px;
  -webkit-overflow-scrolling: touch;
  min-width: 600px;
}

.oc-level { display: flex; justify-content: center; }
.oc-level--dept { gap: 20px; align-items: flex-start; }

.oc-col {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex-shrink: 0;
}

.oc-vline {
  width: 2px;
  height: 28px;
  background: var(--border);
}
.oc-vline-short {
  width: 2px;
  height: 20px;
  background: var(--border);
  flex-shrink: 0;
}

.oc-hbar {
  height: 2px;
  background: var(--border);
  width: 100%;
  max-width: 780px;
}
.oc-hbar--inner {
  width: 140px;
}

.oc-team-row {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.oc-leaves {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

/* 노드 공통 */
.oc-node {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  white-space: nowrap;
  border-radius: 6px;
  padding: 10px 20px;
  font-size: 13px;
  font-weight: 600;
}

/* CEO */
.oc-node--ceo {
  background: var(--navy);
  color: var(--white);
  font-size: 15px;
  padding: 13px 52px;
  letter-spacing: 0.04em;
}

/* 부서 */
.oc-node--dept {
  background: var(--white);
  border: 1.5px solid var(--steel);
  color: var(--navy);
  min-width: 108px;
}

/* 팀 */
.oc-node--team {
  background: #EEF4FB;
  border: 1.5px solid var(--steel);
  color: var(--steel);
  font-size: 12px;
  padding: 8px 16px;
  min-width: 96px;
}

/* 리프 */
.oc-node--leaf {
  background: var(--bg-light);
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 500;
  padding: 7px 14px;
  min-width: 96px;
}

/* ==============================
   BUSINESS
============================== */
#business { background: var(--white); }

.biz-intro {
  font-size: 15px;
  color: var(--text-muted);
  margin-bottom: 48px;
}

/* 설비 카드 */
.equip-card {
  border: 1px solid var(--border);
  margin-bottom: 40px;
  background: var(--white);
}
.equip-card:last-child { margin-bottom: 0; }

.equip-photos {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border-bottom: 1px solid var(--border);
}
.equip-photos--single {
  grid-template-columns: 1fr;
}
.equip-photos img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  display: block;
}
.equip-photos:not(.equip-photos--single) img:first-child {
  border-right: 1px solid var(--border);
}

.equip-name {
  font-size: 20px;
  font-weight: 700;
  color: var(--navy);
  padding: 20px 28px 16px;
  border-bottom: 1px solid var(--border);
}

.equip-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}

.equip-col {
  padding: 24px 28px;
}
.equip-col:first-child {
  border-right: 1px solid var(--border);
}

.equip-col-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--steel);
  letter-spacing: 0.05em;
  border-left: 3px solid var(--steel);
  padding-left: 10px;
  margin-bottom: 16px;
}

.equip-col p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.8;
}

.equip-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.equip-features li {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
  padding-left: 14px;
  position: relative;
}
.equip-features li::before {
  content: '–';
  position: absolute;
  left: 0;
  color: var(--steel);
  font-weight: 700;
}

@media (max-width: 720px) {
  .equip-photos { grid-template-columns: 1fr; }
  .equip-photos:not(.equip-photos--single) img:first-child {
    border-right: none;
    border-bottom: 1px solid var(--border);
  }
  .equip-detail { grid-template-columns: 1fr; }
  .equip-col:first-child { border-right: none; border-bottom: 1px solid var(--border); }
}

/* (구 슬라이더 스타일 — 미사용) */
.biz-card--full {
  border: 1px solid var(--border);
  background: var(--white);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}

/* 사진 슬라이더 */
.biz-slider {
  position: relative;
  overflow: hidden;
  background: var(--navy);
  aspect-ratio: 4/3;
}
.biz-slides { position: relative; width: 100%; height: 100%; }
.biz-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.5s ease;
}
.biz-slide.active { opacity: 1; }
.biz-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.biz-prev, .biz-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(15,31,61,0.55);
  color: var(--white);
  border: none;
  width: 36px; height: 36px;
  font-size: 16px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background 0.2s;
  z-index: 2;
}
.biz-prev:hover, .biz-next:hover { background: var(--steel); }
.biz-prev { left: 10px; }
.biz-next { right: 10px; }

.biz-dots {
  position: absolute;
  bottom: 12px;
  left: 50%; transform: translateX(-50%);
  display: flex; gap: 6px;
  z-index: 2;
}
.biz-dot {
  width: 6px; height: 6px;
  background: rgba(255,255,255,0.4);
  border-radius: 50%;
  transition: background 0.2s;
}
.biz-dot.active { background: var(--white); }

.biz-body { padding: 32px; display: flex; flex-direction: column; justify-content: center; }

.biz-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 16px;
  line-height: 1.4;
}

.biz-desc {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 24px;
}

.biz-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
}
.biz-tags li {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.05em;
  padding: 4px 10px;
  border: 1px solid var(--border);
  color: var(--steel);
  background: var(--bg-light);
}

@media (max-width: 720px) {
  .biz-card--full { grid-template-columns: 1fr; }
  .biz-slider { aspect-ratio: 16/9; }
}

/* ==============================
   메인페이지 전용
============================== */
.hero-btns { display: flex; gap: 16px; flex-wrap: wrap; }

.btn-ghost {
  display: inline-block;
  padding: 14px 32px;
  border: 2px solid rgba(255,255,255,0.4);
  color: rgba(255,255,255,0.85);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.03em;
  transition: border-color 0.2s, color 0.2s;
}
.btn-ghost:hover { border-color: var(--white); color: var(--white); }

.btn-text {
  display: inline-block;
  margin-top: 20px;
  font-size: 14px;
  font-weight: 600;
  color: var(--steel);
  letter-spacing: 0.03em;
  border-bottom: 1px solid var(--steel);
  padding-bottom: 2px;
  transition: color 0.15s;
}
.btn-text:hover { color: var(--navy); border-color: var(--navy); }

/* 홈 회사소개 */
.home-about { padding: 80px 0; background: var(--white); }
.home-about-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}
.home-about-text p { font-size: 15px; color: var(--text-muted); line-height: 1.8; }
.home-about-text .section-title { margin-bottom: 20px; }

/* 홈 사업분야 미리보기 */
.home-business { padding: 80px 0; background: var(--bg-light); }
.home-biz-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 40px;
}
.home-biz-card {
  display: block;
  border: 1px solid var(--border);
  background: var(--white);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.home-biz-card:hover { border-color: var(--steel); box-shadow: 0 4px 16px rgba(15,31,61,0.08); }

.home-biz-img {
  position: relative;
  aspect-ratio: 4/3;
  background-size: cover;
  background-position: center;
  background-color: var(--navy);
}
.home-biz-overlay {
  position: absolute;
  inset: 0;
  background: rgba(10,20,45,0.2);
  transition: background 0.2s;
}
.home-biz-card:hover .home-biz-overlay { background: rgba(10,20,45,0.08); }

.home-biz-body { padding: 16px 18px; }
.home-biz-body h3 { font-size: 15px; font-weight: 700; color: var(--navy); margin-bottom: 6px; }
.home-biz-body p  { font-size: 13px; color: var(--text-muted); line-height: 1.6; }

.home-biz-more { text-align: center; }

/* 홈 오시는길 배너 */
.home-contact { padding: 48px 0; background: var(--navy); }
.home-contact-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.home-contact-label { font-size: 11px; font-weight: 700; letter-spacing: 0.2em; color: var(--light-blue); margin-bottom: 8px; }
.home-contact-addr  { font-size: 16px; color: rgba(255,255,255,0.85); font-weight: 500; }

/* 오시는길 페이지 — 라이트 배경 전용 */
.contact-page-info { display: flex; flex-direction: column; }
.contact-page-dl { display: flex; flex-direction: column; gap: 20px; }
.contact-page-row { display: grid; grid-template-columns: 64px 1fr; gap: 16px; align-items: baseline; }
.contact-page-row dt { font-size: 11px; font-weight: 700; letter-spacing: 0.1em; color: var(--steel); text-transform: uppercase; }
.contact-page-row dd { font-size: 15px; color: var(--text); }
.contact-page-row dd a { color: var(--text); }
.contact-page-row dd a:hover { color: var(--steel); }
.ph-dark { font-size: 11px; color: var(--text-muted); }

/* 오시는길 페이지 라이트 버전 (구 — 호환용) */
.contact-info--light dl { display: flex; flex-direction: column; gap: 20px; }
.contact-row--light { display: grid; grid-template-columns: 64px 1fr; gap: 16px; align-items: baseline; }
.contact-row--light dt { font-size: 11px; font-weight: 700; letter-spacing: 0.1em; color: var(--steel) !important; text-transform: uppercase; }
.contact-row--light dd { font-size: 15px; color: var(--text) !important; }
.contact-row--light dd a { color: var(--steel) !important; }
.contact-row--light dd a:hover { color: var(--navy) !important; }
.placeholder-note--dark { font-size: 11px; color: var(--text-muted); }

@media (max-width: 960px) {
  .home-about-inner { grid-template-columns: 1fr; gap: 40px; }
  .home-biz-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .home-biz-grid { grid-template-columns: 1fr 1fr; gap: 8px; }
  .home-contact-inner { flex-direction: column; align-items: flex-start; }
}

/* ==============================
   HISTORY / TIMELINE
============================== */
.timeline {
  position: relative;
  max-width: 640px;
  padding-left: 0;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 100px;
  top: 0; bottom: 0;
  width: 2px;
  background: var(--border);
}

.timeline-item {
  display: flex;
  align-items: flex-start;
  gap: 0;
  margin-bottom: 48px;
  position: relative;
}
.timeline-item:last-child { margin-bottom: 0; }

.timeline-date {
  min-width: 100px;
  text-align: right;
  padding-right: 28px;
  font-size: 22px;
  font-weight: 700;
  color: var(--navy);
  line-height: 1.3;
  position: relative;
}
.timeline-date span {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
}
.timeline-date::after {
  content: '';
  position: absolute;
  right: -6px;
  top: 8px;
  width: 12px;
  height: 12px;
  background: var(--steel);
  border: 2px solid var(--white);
  outline: 2px solid var(--steel);
}

.timeline-body {
  padding-left: 28px;
  padding-top: 2px;
}
.timeline-body strong {
  display: block;
  font-size: 16px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 4px;
}
.timeline-body p { font-size: 14px; color: var(--text-muted); }

/* ==============================
   CONTACT
============================== */
.section--dark {
  background: var(--navy) !important;
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 64px;
  align-items: start;
}

.contact-info dl { display: flex; flex-direction: column; gap: 20px; }

.contact-row {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 16px;
  align-items: baseline;
}
.contact-row dt {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--light-blue);
  text-transform: uppercase;
  padding-top: 2px;
}
.contact-row dd {
  font-size: 15px;
  color: rgba(255,255,255,0.85);
}
.contact-row dd a { color: rgba(255,255,255,0.85); }
.contact-row dd a:hover { color: var(--light-blue); }

.placeholder-note {
  font-size: 11px;
  color: rgba(255,255,255,0.35);
}

.contact-map iframe {
  display: block;
  border: 1px solid rgba(255,255,255,0.1);
}
.map-note {
  margin-top: 10px;
  font-size: 12px;
  color: rgba(255,255,255,0.35);
}

/* ==============================
   FOOTER
============================== */
footer {
  background: #070F1E;
  color: rgba(255,255,255,0.45);
  padding: 40px 0;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.footer-logo {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: rgba(255,255,255,0.65);
}

.footer-info p, .footer-copy p {
  font-size: 12px;
  line-height: 1.8;
}

/* ==============================
   RESPONSIVE
============================== */
/* ==============================
   RESPONSIVE — 태블릿 (900px)
============================== */
@media (max-width: 900px) {
  .about-layout       { grid-template-columns: 1fr; gap: 40px; }
  .contact-layout     { grid-template-columns: 1fr; gap: 40px; }
  .org-row-dept       { gap: 10px; flex-wrap: wrap; justify-content: center; }
  .home-about-inner   { grid-template-columns: 1fr; gap: 40px; }
  .home-biz-grid      { grid-template-columns: repeat(2, 1fr); }
  .equip-detail       { grid-template-columns: 1fr; }
  .equip-col:first-child { border-right: none; border-bottom: 1px solid var(--border); }
}

/* ==============================
   RESPONSIVE — 모바일 (640px)
============================== */
@media (max-width: 640px) {
  /* 섹션 패딩 축소 */
  section,
  .section--white,
  .section--gray { padding: 52px 0; }
  .section-title  { margin-bottom: 28px; font-size: 22px; }
  .container      { padding: 0 20px; }

  /* 모바일 헤더 오른쪽 영역 */
  .header-inner { gap: 8px; }
  .lang-toggle  { padding: 2px; }
  .lang-btn     { padding: 2px 8px; font-size: 10px; }

  /* 모바일 햄버거 메뉴 */
  .nav-toggle { display: flex; }
  #main-nav {
    position: fixed;
    top: var(--header-h); left: 0; right: 0;
    background: var(--white);
    border-top: 1px solid var(--border);
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.25s, opacity 0.25s;
    z-index: 99;
  }
  #main-nav.is-open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  #main-nav ul      { flex-direction: column; gap: 0; padding: 8px 0 16px; }
  #main-nav a       { display: block; padding: 14px 24px; border-bottom: none; font-size: 15px; }

  /* 히어로 */
  #hero { min-height: 100svh; }
  .hero-headline { font-size: 28px; }
  .hero-btns     { flex-direction: column; gap: 12px; }
  .btn-primary, .btn-ghost { text-align: center; }

  /* 페이지 히어로 */
  .page-hero { padding: 40px 0 32px; }

  /* 회사소개 */
  .about-stats  { grid-template-columns: 1fr 1fr; }
  .about-photos { grid-template-columns: 1fr; gap: 8px; }

  /* 조직도 — 가로 스크롤 허용 */
  .org-chart    { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .org-row-dept { flex-wrap: nowrap; min-width: 560px; }
  .org-box      { font-size: 11px; padding: 8px 10px; min-width: 80px; }
  .org-box--ceo { min-width: 120px; font-size: 13px; padding: 10px 20px; }

  /* 설비 카드 */
  .equip-photos                { grid-template-columns: 1fr; }
  .equip-photos img            { aspect-ratio: 16/9; }
  .equip-photos:not(.equip-photos--single) img:first-child {
    border-right: none; border-bottom: 1px solid var(--border);
  }
  .equip-name  { font-size: 17px; padding: 16px 20px 14px; }
  .equip-col   { padding: 18px 20px; }

  /* 홈 사업분야 */
  .home-biz-grid { grid-template-columns: 1fr 1fr; gap: 8px; }
  .home-biz-body h3 { font-size: 13px; }
  .home-biz-body p  { display: none; }   /* 모바일엔 설명 숨김 */

  /* 홈 오시는길 배너 */
  .home-contact-inner { flex-direction: column; align-items: flex-start; gap: 20px; }

  /* 타임라인 */
  .timeline::before  { left: 70px; }
  .timeline-date     { min-width: 70px; font-size: 17px; }
  .timeline-body strong { font-size: 14px; }

  /* 오시는길 */
  .contact-page-row  { grid-template-columns: 52px 1fr; gap: 10px; }

  /* 푸터 */
  .footer-inner { gap: 12px; }
}

/* ==============================
   납품실적 페이지
============================== */
.perf-summary {
  font-size: .95rem;
  color: var(--text-muted);
  margin-bottom: 40px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
}

.perf-accordion {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.perf-year {
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
}

.perf-year-header {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 24px;
  cursor: pointer;
  background: var(--white);
  list-style: none;
  user-select: none;
  transition: background .15s;
}

.perf-year-header::-webkit-details-marker { display: none; }

.perf-year-header::after {
  content: '+';
  margin-left: auto;
  font-size: 1.2rem;
  color: var(--steel);
  font-weight: 300;
  transition: transform .2s;
}

.perf-year[open] > .perf-year-header::after {
  content: '−';
}

.perf-year-header:hover {
  background: var(--bg-light);
}

.perf-year[open] > .perf-year-header {
  background: var(--navy);
  color: var(--white);
}

.perf-year[open] > .perf-year-header::after {
  color: var(--light-blue);
}

.perf-year-num {
  font-size: 1.15rem;
  font-weight: 700;
  color: inherit;
  min-width: 90px;
}

.perf-year-count {
  font-size: .8rem;
  color: inherit;
  opacity: .7;
}

.perf-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .88rem;
}

.perf-table th {
  background: var(--bg-light);
  color: var(--text-muted);
  font-weight: 600;
  text-align: left;
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.perf-table td {
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  vertical-align: top;
}

.perf-table tr:last-child td { border-bottom: none; }

.perf-table tr:hover td { background: #f0f4f8; }

.perf-table th:first-child,
.perf-table td:first-child { width: 140px; font-weight: 500; }

.perf-table th:nth-child(2),
.perf-table td:nth-child(2) { width: 90px; color: var(--text-muted); }

@media (max-width: 640px) {
  .perf-year-header { padding: 14px 16px; }
  .perf-table th, .perf-table td { padding: 9px 12px; font-size: .82rem; }
  .perf-table th:first-child,
  .perf-table td:first-child { width: 100px; }
  .perf-table th:nth-child(2),
  .perf-table td:nth-child(2) { width: 70px; }
}