/* Created: 2026-06-16 */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --navy: #0d2137;
  --navy-light: #1a3a5c;
  --gold: #f0a500;
  --gold-dark: #d4920a;
  --gray-bg: #f5f7fa;
  --text: #222;
  --text-muted: #666;
  --white: #fff;
  --radius: 16px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Noto Sans KR', 'Apple SD Gothic Neo', 'Malgun Gothic', sans-serif;
  color: var(--text);
  line-height: 1.6;
}

a { text-decoration: none; color: inherit; }
img { display: block; }

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 28px;
}

/* ── 헤더 ── */
.header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid #eee;
}
.header-inner {
  display: flex;
  align-items: center;
  height: 120px;
  gap: 48px;
}
.logo img { height: 110px; width: auto; filter: drop-shadow(0 0 0.4px rgba(0,0,0,0.55)); }
.header-mobile-text { display: none; flex-direction: column; gap: 2px; flex: 1; }
.header-company { font-size: 13px; font-weight: 800; color: var(--navy); }
.header-tagline { font-size: 11px; color: #666; line-height: 1.4; }
.nav {
  display: flex;
  gap: 36px;
  flex: 1;
}
.nav a {
  font-size: 14px;
  font-weight: 600;
  color: #444;
  transition: color 0.15s;
}
.nav a:hover { color: var(--navy); }
.nav a.active { color: var(--gold); font-weight: 700; }
.btn-header {
  background: var(--navy);
  color: var(--white);
  font-size: 13px;
  font-weight: 700;
  padding: 10px 22px;
  border-radius: 8px;
  white-space: nowrap;
  transition: background 0.15s;
  flex-shrink: 0;
}
.btn-header:hover { background: var(--navy-light); }
.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 22px;
  cursor: pointer;
  color: var(--navy);
  margin-left: auto;
}
.mobile-nav {
  display: none;
  flex-direction: column;
  background: var(--white);
  border-top: 1px solid #eee;
  padding: 8px 0;
}
.mobile-nav.open { display: flex; }
.mobile-nav a {
  padding: 14px 24px;
  font-size: 15px;
  font-weight: 600;
  color: var(--navy);
  border-bottom: 1px solid #f0f0f0;
}

/* ── 히어로 ── */
.hero {
  position: relative;
  min-height: 600px;
  display: flex;
  align-items: center;
  overflow: hidden;
  color: var(--white);
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(13,33,55,0.78) 0%, rgba(13,33,55,0.50) 60%, rgba(13,33,55,0.25) 100%);
}
.hero-inner {
  position: relative;
  z-index: 1;
  padding: 100px 28px;
}
.hero-tag {
  display: inline-block;
  border: 1px solid rgba(255,255,255,0.4);
  color: rgba(255,255,255,0.85);
  font-size: 13px;
  padding: 5px 16px;
  border-radius: 20px;
  margin-bottom: 24px;
  letter-spacing: 0.06em;
}
.hero h1 {
  font-size: clamp(36px, 6vw, 62px);
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 20px;
  word-break: keep-all;
}
.hero h1 span { color: var(--gold); }
.hero-sub {
  font-size: clamp(15px, 2vw, 19px);
  color: rgba(255,255,255,0.75);
  margin-bottom: 44px;
}
.hero-btns {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}
.btn-primary {
  background: var(--gold);
  color: var(--white);
  font-size: 15px;
  font-weight: 800;
  padding: 15px 32px;
  border-radius: 10px;
  transition: background 0.15s, transform 0.15s;
  box-shadow: 0 4px 24px rgba(240,165,0,0.45);
}
.btn-primary:hover { background: var(--gold-dark); transform: translateY(-2px); }
.btn-ghost {
  background: var(--white);
  color: #111;
  font-size: 15px;
  font-weight: 700;
  padding: 15px 32px;
  border-radius: 10px;
  border: 1.5px solid #111;
  transition: border-color 0.15s, background 0.15s;
}
.btn-ghost:hover { border-color: var(--white); background: rgba(255,255,255,0.08); }

/* ── 섹션 공통 ── */
.section { padding: 100px 0; }
.section.bg-gray { background: var(--gray-bg); }
.section.bg-dark { background: var(--navy); }

.section-label {
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.2em;
  color: var(--gold);
  margin-bottom: 12px;
  text-transform: uppercase;
}
.section-label.light { color: rgba(255,255,255,0.5); }
.section-label.center { text-align: center; }

.section-title {
  font-size: clamp(26px, 4vw, 40px);
  font-weight: 900;
  line-height: 1.3;
  margin-bottom: 16px;
  color: var(--navy);
  word-break: keep-all;
}
.section-title.light { color: var(--white); }
.section-title.center { text-align: center; }

.section-desc {
  font-size: 16px;
  color: var(--text-muted);
  line-height: 1.9;
  margin-bottom: 56px;
  word-break: keep-all;
}
.section-desc.light { color: rgba(255,255,255,0.65); }
.section-desc.center { text-align: center; }

/* ── 회사소개 ── */
.bg-navy-soft { background: #f0f4f9; }

.about-features {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.about-feature {
  background: var(--white);
  border-radius: var(--radius);
  padding: 32px 24px;
  border: 1.5px solid #e2e8f0;
  box-shadow: 0 4px 20px rgba(0,0,0,0.04);
  transition: transform 0.2s, box-shadow 0.2s;
  text-align: center;
}
.about-feature:hover { transform: translateY(-4px); box-shadow: 0 12px 36px rgba(0,0,0,0.1); }
.about-feature-icon { font-size: 36px; margin-bottom: 14px; }
.about-feature h4 {
  font-size: 16px;
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 10px;
}
.about-feature p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.75;
}

/* ── 소개/연혁 탭 ── */
.about-tabs {
  display: flex;
  border-bottom: 2px solid #dde3ec;
  margin-bottom: 40px;
}
.about-tab {
  background: none;
  border: none;
  border-bottom: 3px solid transparent;
  font-family: inherit;
  font-size: 15px;
  font-weight: 700;
  color: var(--text-muted);
  padding: 12px 28px;
  cursor: pointer;
  margin-bottom: -2px;
  transition: color 0.15s;
}
.about-tab:hover { color: var(--navy); }
.about-tab.active { color: var(--navy); border-bottom-color: var(--gold); }

/* ── 연혁 타임라인 ── */
.timeline { position: relative; padding: 0 0 20px; }
.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0; bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, #f0a500, #0d2137 80%);
  transform: translateX(-50%);
}
.tl-era {
  text-align: center;
  position: relative;
  z-index: 1;
  margin: 48px 0 32px;
}
.tl-era:first-child { margin-top: 8px; }
.tl-era-label {
  display: inline-block;
  background: #0d2137;
  color: #f0a500;
  font-size: 14px;
  font-weight: 900;
  padding: 8px 24px;
  border-radius: 24px;
  letter-spacing: 0.08em;
  border: 2px solid #f0a500;
}
.tl-item {
  display: flex;
  justify-content: flex-end;
  padding-right: calc(50% + 36px);
  margin-bottom: 24px;
  position: relative;
}
.tl-item.right {
  justify-content: flex-start;
  padding-right: 0;
  padding-left: calc(50% + 36px);
}
.tl-item::after {
  content: '';
  position: absolute;
  left: 50%;
  top: 18px;
  width: 14px;
  height: 14px;
  background: #f0a500;
  border-radius: 50%;
  transform: translateX(-50%);
  border: 3px solid #fff;
  box-shadow: 0 0 0 2px #f0a500;
  z-index: 2;
}
.tl-card {
  background: #fff;
  border-radius: 14px;
  padding: 18px 22px;
  border: 1.5px solid #e2e8f0;
  box-shadow: 0 4px 16px rgba(0,0,0,0.05);
  max-width: 380px;
  transition: transform 0.2s, box-shadow 0.2s;
}
.tl-card:hover { transform: translateY(-3px); box-shadow: 0 10px 32px rgba(0,0,0,0.1); }
.tl-card.current { border-color: #f0a500; box-shadow: 0 4px 20px rgba(240,165,0,0.2); }
.tl-date {
  font-size: 12px;
  font-weight: 800;
  color: #f0a500;
  letter-spacing: 0.06em;
  margin-bottom: 6px;
}
.tl-date.current { color: #0d2137; }
.tl-content {
  font-size: 14px;
  font-weight: 700;
  color: #0d2137;
  line-height: 1.5;
}
.tl-current-badge { color: #f0a500; }

@media (max-width: 900px) {
  .timeline::before { left: 24px; }
  .tl-era { text-align: left; padding-left: 52px; }
  .tl-item, .tl-item.right { justify-content: flex-start; padding-left: 60px; padding-right: 0; }
  .tl-item::after { left: 24px; }
  .tl-card { max-width: 100%; }
}

@media (max-width: 640px) {
  .about-tabs { margin-bottom: 28px; }
  .about-tab { font-size: 14px; padding: 10px 20px; }
  .tl-item, .tl-item.right { padding-left: 52px; }
  .tl-card { padding: 14px 16px; }
  .tl-era-label { font-size: 13px; padding: 7px 18px; }
}

@media (max-width: 400px) {
  .tl-item, .tl-item.right { padding-left: 44px; }
  .about-tab { font-size: 13px; padding: 10px 14px; }
}

/* ── 히스토리 배너 ── */
.history-banner {
  margin-top: 48px;
  background: linear-gradient(135deg, #0a1e35 0%, #1a3a5c 100%);
  border-radius: 16px;
  padding: 36px 44px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  box-shadow: 0 8px 32px rgba(13,33,55,0.18);
}
.history-banner-eyebrow {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--gold);
  margin-bottom: 8px;
}
.history-banner-text h3 {
  font-size: clamp(17px, 2.2vw, 22px);
  font-weight: 900;
  color: #fff;
  margin-bottom: 6px;
  word-break: keep-all;
}
.history-banner-desc {
  font-size: 13px;
  color: rgba(255,255,255,0.6);
}
.history-banner-btn {
  display: inline-block;
  flex-shrink: 0;
  background: var(--gold);
  color: #0a1e35;
  font-size: 14px;
  font-weight: 800;
  padding: 14px 30px;
  border-radius: 10px;
  transition: background 0.15s, transform 0.15s;
  white-space: nowrap;
}
.history-banner-btn:hover {
  background: #ffc107;
  transform: translateY(-2px);
}
@media (max-width: 640px) {
  .history-banner {
    flex-direction: column;
    align-items: flex-start;
    padding: 28px 24px;
  }
}

/* ── 서비스 카드 ── */
.cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1.5px solid #e2e8f0;
  box-shadow: 0 4px 20px rgba(0,0,0,0.05);
  transition: transform 0.2s, box-shadow 0.2s;
}
.card:hover { transform: translateY(-6px); box-shadow: 0 16px 48px rgba(0,0,0,0.12); }
.card-img { width: 100%; aspect-ratio: 16/10; overflow: hidden; background: #f0f0f0; }
.card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.3s; }
.card:hover .card-img img { transform: scale(1.04); }
.card-body { padding: 28px 24px; }
.card-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 12px;
  letter-spacing: 0.05em;
}
.card-tag.kcc { background: #e8f4ff; color: #0d5fa0; }
.card-tag.lg  { background: #fce4ec; color: #a50034; }
.card-tag.fin { background: #e8f5e9; color: #1b5e20; }
.card-tag.biz { background: #ede9fe; color: #5b21b6; }
.card-body h3 {
  font-size: 20px;
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 10px;
}
.card-body p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 18px;
}
.card-body ul { list-style: none; display: flex; flex-direction: column; gap: 7px; }
.card-body ul li {
  font-size: 13px;
  color: #444;
  padding-left: 16px;
  position: relative;
}
.card-body ul li::before {
  content: '◆';
  position: absolute;
  left: 0;
  color: var(--gold);
  font-size: 7px;
  top: 4px;
}
.btn-more {
  display: inline-block;
  margin-top: 20px;
  padding: 11px 20px;
  background: var(--navy);
  color: var(--white);
  font-size: 13px;
  font-weight: 700;
  border-radius: 8px;
  transition: background 0.15s, transform 0.1s;
  width: 100%;
  text-align: center;
}
.btn-more:hover { background: var(--navy-light); transform: translateY(-1px); }

/* ── 파트너 카드 ── */
.partner-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}
.partner-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1.5px solid #e2e8f0;
  box-shadow: 0 4px 24px rgba(0,0,0,0.06);
  transition: transform 0.2s, box-shadow 0.2s;
}
.partner-card:hover { transform: translateY(-4px); box-shadow: 0 16px 48px rgba(0,0,0,0.12); }
.partner-img {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: #f0f0f0;
}
.partner-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.3s; }
.partner-card:hover .partner-img img { transform: scale(1.04); }
.partner-img-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.5) 0%, transparent 60%);
  display: flex;
  align-items: flex-end;
  padding: 16px;
}
.partner-badge {
  display: inline-block;
  background: var(--navy);
  color: var(--white);
  font-size: 12px;
  font-weight: 700;
  padding: 5px 14px;
  border-radius: 20px;
  letter-spacing: 0.06em;
}
.partner-badge.lg { background: #a50034; }
.partner-body { padding: 28px; }
.partner-body h3 {
  font-size: 20px;
  font-weight: 900;
  color: var(--navy);
  margin-bottom: 18px;
}
.partner-body ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 24px;
}
.partner-body ul li {
  font-size: 15px;
  color: #333;
  padding-left: 22px;
  position: relative;
}
.partner-body ul li::before {
  content: '✅';
  position: absolute;
  left: 0;
  font-size: 13px;
}
.btn-partner {
  display: inline-block;
  background: var(--gold);
  color: var(--white);
  font-size: 14px;
  font-weight: 800;
  padding: 13px 26px;
  border-radius: 10px;
  transition: background 0.15s, transform 0.1s;
}
.btn-partner:hover { background: var(--gold-dark); transform: translateY(-1px); }

/* ── 연락처 ── */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 16px;
}
.contact-item {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.13);
  border-radius: var(--radius);
  padding: 32px 20px;
  text-align: center;
  transition: background 0.15s, border-color 0.15s;
  cursor: default;
}
a.contact-item { cursor: pointer; }
a.contact-item:hover, .contact-item.kakao:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.3);
}
.contact-icon { font-size: 30px; margin-bottom: 10px; }
.contact-kakao-img { width: 40px; height: 40px; object-fit: contain; margin: 0 auto 10px; }
.contact-label {
  font-size: 12px;
  color: rgba(255,255,255,0.5);
  letter-spacing: 0.1em;
  margin-bottom: 6px;
}
.contact-value {
  font-size: 14px;
  font-weight: 700;
  color: var(--white);
  word-break: break-all;
}

/* ── 푸터 ── */
.footer {
  background: #08111c;
  padding: 52px 0 40px;
  text-align: center;
}
.footer-logo-img {
  height: 140px;
  width: auto;
  margin: 0 auto 24px;
  opacity: 0.9;
}
.footer-info {
  font-size: 12px;
  color: rgba(255,255,255,0.35);
  line-height: 2.1;
  margin-bottom: 20px;
}
.footer-copy {
  font-size: 12px;
  color: rgba(255,255,255,0.18);
}

/* ── 유틸리티 ── */
.mobile-only { display: none; }

/* ── 반응형 ── */
@media (max-width: 960px) {
  .about-features { grid-template-columns: repeat(2, 1fr); }
  .cards { grid-template-columns: 1fr 1fr; }
  .partner-cards { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: repeat(2, 1fr); }
  .nav { display: none; }
  .btn-header { display: none; }
  .nav-toggle { display: block; }
}

@media (max-width: 720px) {
  .cards { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
}

@media (max-width: 640px) {
  /* 유틸리티 */
  .desktop-only { display: none !important; }
  .mobile-only { display: block !important; }

  /* 헤더 */
  .header-inner { height: 90px; gap: 12px; }
  .logo img { height: 110px; }
  .header-mobile-text { display: flex; }

  /* 히어로 - 태그/서브 숨기고 버튼 최적화 */
  .hero { min-height: 300px; }
  .hero-inner { padding: 48px 20px; }
  .hero-tag { display: inline-block; }
  .hero-sub { display: block; }
  .hero h1 { margin-bottom: 32px; }
  .hero-btns { flex-direction: row; gap: 10px; }
  .btn-primary { width: auto; text-align: center; font-size: 13px; padding: 12px 18px; font-weight: 900; }
  .btn-ghost { width: auto; text-align: center; font-size: 13px; padding: 12px 18px; }

  /* 섹션 */
  .section { padding: 56px 0; }
  .container { padding: 0 18px; }
  .section-desc { font-size: 14px; margin-bottom: 32px; line-height: 1.7; }

  /* 소개 카드 - 설명 숨기고 아이콘+제목만 */
  .about-features { grid-template-columns: 1fr 1fr; gap: 12px; }
  .about-feature { padding: 20px 14px; }
  .about-feature-icon { font-size: 28px; margin-bottom: 10px; }
  .about-feature h4 { font-size: 14px; margin-bottom: 0; }
  .about-feature p { display: none; }

  /* 히스토리 배너 - 부연설명 숨김 */
  .history-banner { flex-direction: column; align-items: flex-start; padding: 22px 18px; gap: 16px; }
  .history-banner-desc { display: none; }
  .history-banner-text h3 { font-size: 16px; }
  .history-banner-btn { width: 100%; text-align: center; padding: 13px; }

  /* 사업 카드 */
  .card-body { padding: 20px 16px; }
  .card-body h3 { font-size: 17px; }
  .card-body ul { margin-bottom: 4px; }
  .btn-more { padding: 13px 20px; font-size: 14px; margin-top: 16px; }

  /* 파트너 - 이미지 숨김, 버튼 전체 너비 */
  .partner-img { display: none; }
  .partner-body { padding: 22px 20px; }
  .partner-body h3 { font-size: 17px; margin-bottom: 14px; }
  .partner-body ul { margin-bottom: 18px; }
  .partner-body ul li { font-size: 14px; }
  .btn-partner { display: block; width: 100%; text-align: center; padding: 14px; font-size: 14px; }

  /* 연락처 */
  .contact-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .contact-item { padding: 20px 10px; }
  .contact-icon { font-size: 26px; }
  .contact-value { font-size: 13px; }

  /* 푸터 */
  .footer-logo-img { height: 100px; }
  .footer-info { font-size: 11px; }
}

@media (max-width: 400px) {
  .about-features { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr 1fr; }
  .logo img { height: 100px; }
  .header-inner { height: 80px; }
  .hero h1 { font-size: 28px; }
}

@media (max-width: 320px) {
  .container { padding: 0 12px; }
  .hero-inner { padding: 36px 12px; }
  .section { padding: 44px 0; }
  .footer-info { font-size: 10px; }
  .footer { padding: 40px 0 28px; }
  .about-features { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}