:root {
  --bg: #eef3f8;
  --surface: #ffffff;
  --surface-soft: rgba(255, 255, 255, 0.72);
  --surface-dark: #0b2036;
  --surface-dark-soft: #102945;
  --text: #102235;
  --muted: #617084;
  --line: rgba(16, 34, 53, 0.12);
  --line-strong: rgba(255, 255, 255, 0.14);
  --primary: #0e5ea8;
  --primary-deep: #0a3d70;
  --accent: #30c3d9;
  --gold: #d5b06b;
  --shadow: 0 18px 42px rgba(7, 25, 43, 0.14);
  --radius: 24px;
  --radius-large: 34px;
  --header-height: 92px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Noto Sans KR", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top right, rgba(48, 195, 217, 0.08), transparent 22%),
    linear-gradient(180deg, #f6f9fc 0%, var(--bg) 100%);
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
}

.container {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.eyebrow,
.kicker {
  margin: 0 0 14px;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 150px;
  padding: 14px 24px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  transition: transform 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.button:hover,
.panel a:hover,
.card a:hover,
.footer a:hover {
  transform: translateY(-2px);
}

.button--primary {
  background: linear-gradient(135deg, var(--primary), #1e74c3);
  color: #fff;
  box-shadow: 0 14px 28px rgba(14, 94, 168, 0.25);
}

.button--ghost {
  border-color: rgba(255, 255, 255, 0.4);
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

.button--secondary {
  border-color: rgba(14, 94, 168, 0.16);
  background: #fff;
  color: var(--primary-deep);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(7, 24, 41, 0.94);
  backdrop-filter: blur(14px);
  box-shadow: 0 6px 24px rgba(4, 14, 24, 0.16);
}

.utility-bar {
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.68);
  font-size: 0.82rem;
}

.utility-bar__inner,
.nav-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 42px;
}

.nav-shell {
  min-height: var(--header-height);
  position: relative;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  color: #fff;
}

.brand__mark {
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(48, 195, 217, 0.22), rgba(14, 94, 168, 0.32));
  font-family: "Montserrat", sans-serif;
  font-size: 1.12rem;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.brand__name {
  display: block;
  font-family: "Montserrat", sans-serif;
  font-size: 1.18rem;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.brand__tag {
  display: block;
  margin-top: 4px;
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.nav-toggle {
  display: none;
  border: 0;
  background: transparent;
  color: #fff;
  font-size: 1.6rem;
  cursor: pointer;
}

.site-nav {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-item {
  position: relative;
}

.nav-item::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  height: 14px;
}

.nav-link,
.nav-parent {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 16px;
  border: 0;
  background: transparent;
  color: rgba(255, 255, 255, 0.76);
  font-size: 0.96rem;
  font-weight: 700;
  cursor: pointer;
}

.nav-link:hover,
.nav-parent:hover,
.nav-item.is-active > .nav-link,
.nav-item.is-active > .nav-parent {
  color: #fff;
}

.nav-parent::after {
  content: "▼";
  font-size: 0.8rem;
}

.nav-dropdown {
  position: absolute;
  top: calc(100% + 2px);
  left: 0;
  min-width: 220px;
  padding: 12px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 18px;
  background: rgba(9, 27, 45, 0.96);
  box-shadow: 0 18px 32px rgba(0, 0, 0, 0.18);
  opacity: 0;
  pointer-events: none;
  transform: translateY(6px);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.nav-dropdown a {
  display: block;
  padding: 12px 14px;
  border-radius: 14px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.94rem;
}

.nav-dropdown a:hover,
.nav-dropdown a.is-active {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

.nav-item:hover .nav-dropdown,
.nav-item.is-open .nav-dropdown {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.landing-hero {
  position: relative;
  min-height: calc(100vh - 132px);
  background: #071828;
}

.hero-slider {
  position: relative;
  min-height: calc(100vh - 132px);
}

.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.8s ease;
}

.hero-slide.is-active {
  opacity: 1;
  pointer-events: auto;
}

.hero-slide__backdrop {
  position: absolute;
  inset: 0;
}

.hero-slide__backdrop::before,
.hero-slide__backdrop::after {
  content: "";
  position: absolute;
}

.hero-slide__backdrop--one {
  background:
    linear-gradient(110deg, rgba(4, 13, 24, 0.82), rgba(7, 28, 54, 0.55)),
    radial-gradient(circle at 82% 24%, rgba(48, 195, 217, 0.22), transparent 18%),
    linear-gradient(135deg, #081523, #0d345a);
}

.hero-slide__backdrop--one::before {
  inset: auto 0 0 0;
  height: 30%;
  background: linear-gradient(180deg, transparent, rgba(6, 16, 29, 0.82));
}

.hero-slide__backdrop--one::after {
  right: 8%;
  bottom: 18%;
  width: 340px;
  height: 160px;
  border-radius: 40px 40px 16px 16px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.08), transparent 40%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0));
  box-shadow: inset 0 -28px 0 rgba(48, 195, 217, 0.12);
}

.hero-slide__backdrop--two {
  background:
    linear-gradient(110deg, rgba(4, 13, 24, 0.82), rgba(8, 24, 40, 0.6)),
    radial-gradient(circle at 70% 20%, rgba(213, 176, 107, 0.18), transparent 18%),
    linear-gradient(135deg, #091b2b, #123b5f);
}

.hero-slide__backdrop--two::before {
  left: 8%;
  right: 8%;
  bottom: 16%;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.36), transparent);
}

.hero-slide__backdrop--two::after {
  right: 10%;
  top: 24%;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  border: 1px dashed rgba(255, 255, 255, 0.16);
}

.hero-slide__backdrop--three {
  background:
    linear-gradient(110deg, rgba(5, 16, 28, 0.85), rgba(11, 40, 68, 0.58)),
    radial-gradient(circle at 75% 30%, rgba(48, 195, 217, 0.18), transparent 20%),
    linear-gradient(135deg, #081523, #0d2d49);
}

.hero-slide__backdrop--three::before {
  left: 0;
  right: 0;
  bottom: 0;
  height: 160px;
  background:
    linear-gradient(180deg, transparent, rgba(255, 255, 255, 0.06)),
    repeating-linear-gradient(90deg, transparent 0 42px, rgba(255, 255, 255, 0.05) 42px 44px);
}

.hero-slide__backdrop--three::after {
  right: 10%;
  bottom: 18%;
  width: 280px;
  height: 200px;
  border-radius: 24px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: linear-gradient(180deg, rgba(48, 195, 217, 0.08), rgba(255, 255, 255, 0.02));
}

.hero-slide__inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  min-height: calc(100vh - 132px);
  padding: 80px 0 110px;
}

.hero-copy {
  max-width: 720px;
  color: #fff;
}

.hero-copy h1,
.page-hero__content h1,
.section-heading h2,
.footer__brand h2 {
  margin: 0;
  font-family: "Montserrat", sans-serif;
  letter-spacing: -0.04em;
}

.hero-copy h1 {
  font-size: clamp(3rem, 6vw, 5.4rem);
  line-height: 0.94;
}

.hero-copy p {
  max-width: 640px;
  margin: 24px 0 0;
  color: rgba(255, 255, 255, 0.8);
  font-size: 1.06rem;
  line-height: 1.9;
}

.hero-actions {
  display: flex;
  gap: 14px;
  margin-top: 34px;
}

.hero-pagination {
  position: absolute;
  top: 50%;
  right: 34px;
  z-index: 3;
  display: grid;
  gap: 12px;
  transform: translateY(-50%);
}

.hero-dot {
  width: 12px;
  height: 12px;
  border: 1px solid rgba(255, 255, 255, 0.48);
  border-radius: 50%;
  background: transparent;
  cursor: pointer;
}

.hero-dot.is-active {
  background: #fff;
  box-shadow: 0 0 0 6px rgba(255, 255, 255, 0.12);
}

.stats-band {
  margin-top: -58px;
  position: relative;
  z-index: 3;
}

.stats-band__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.stats-band article,
.panel,
.card,
.info-card,
.org-box,
.step,
.map-box,
.sitemap-group,
.route-card,
.job-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.stats-band article {
  padding: 26px 24px;
}

.stats-band strong {
  display: block;
  font-family: "Montserrat", sans-serif;
  font-size: 1.42rem;
}

.stats-band span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
}

.section {
  padding: 100px 0;
}

.section-heading {
  max-width: 760px;
}

.section-heading h2 {
  font-size: clamp(2rem, 4vw, 3.4rem);
}

.content-copy h2,
.feature-copy h2 {
  margin: 0;
  font-family: "Montserrat", sans-serif;
  font-size: clamp(2rem, 3vw, 3rem);
  letter-spacing: -0.03em;
}

.section-heading p,
.panel p,
.card p,
.feature-copy p,
.feature-matrix p,
.info-card p,
.org-box p,
.step p,
.map-box p,
.route-card p,
.job-card p,
.footer p,
.page-hero__content p,
.content-copy p,
.content-copy li {
  color: var(--muted);
  line-height: 1.9;
}

.section-grid,
.feature-split,
.map-layout,
.content-grid {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 28px;
  align-items: start;
}

.panel-list,
.cards,
.feature-matrix,
.info-grid,
.org-grid,
.steps-grid,
.routes-grid,
.jobs-grid,
.sitemap-grid {
  display: grid;
  gap: 20px;
}

.cards--three,
.feature-matrix,
.jobs-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.panel,
.card,
.info-card,
.org-box,
.step,
.map-box,
.route-card,
.job-card,
.sitemap-group {
  padding: 28px;
}

.panel h3,
.card h3,
.feature-matrix h3,
.info-card h3,
.org-box h3,
.step h3,
.map-box h3,
.route-card h3,
.job-card h3,
.sitemap-group h3 {
  margin: 0;
  font-size: 1.2rem;
}

.panel a,
.card a,
.sitemap-group a {
  display: inline-flex;
  margin-top: 16px;
  color: var(--primary);
  font-weight: 700;
}

.section--deep {
  background:
    radial-gradient(circle at right top, rgba(48, 195, 217, 0.14), transparent 20%),
    linear-gradient(180deg, #0b2137, #08192b);
}

.section-heading--light h2,
.section-heading--light p {
  color: #fff;
}

.section-heading--light p {
  color: rgba(255, 255, 255, 0.72);
}

.card--dark {
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, 0.04);
  color: #fff;
  box-shadow: none;
}

.card--dark p {
  color: rgba(255, 255, 255, 0.68);
}

.card--dark a {
  color: var(--accent);
}

.feature-copy,
.content-copy {
  padding-right: 18px;
}

.feature-matrix article {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.74);
}

.feature-matrix strong {
  display: block;
  color: var(--primary);
  font-family: "Montserrat", sans-serif;
  font-size: 0.86rem;
  letter-spacing: 0.18em;
}

.page-hero {
  padding: 86px 0 72px;
  background:
    linear-gradient(120deg, rgba(7, 24, 41, 0.92), rgba(11, 43, 74, 0.68)),
    linear-gradient(135deg, #081523, #0d345a);
  color: #fff;
}

.page-hero__content {
  max-width: 760px;
}

.page-hero__content h1 {
  font-size: clamp(2.4rem, 4vw, 4rem);
}

.page-hero__content p {
  max-width: 720px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 1.02rem;
}

.breadcrumb {
  display: inline-flex;
  gap: 10px;
  margin-bottom: 18px;
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.9rem;
}

.content-copy ul,
.route-card ul,
.sitemap-group ul {
  margin: 16px 0 0;
  padding-left: 18px;
}

.quote-box {
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: var(--radius-large);
  background: linear-gradient(180deg, #fff, #f9fbfd);
  box-shadow: var(--shadow);
}

.quote-box blockquote {
  margin: 0;
  color: var(--primary-deep);
  font-family: "Montserrat", sans-serif;
  font-size: 1.45rem;
  line-height: 1.6;
}

.quote-box cite {
  display: block;
  margin-top: 18px;
  color: var(--muted);
  font-style: normal;
  font-weight: 700;
}

.info-grid,
.routes-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.org-chart {
  display: grid;
  gap: 18px;
}

.org-chart__head {
  display: grid;
  justify-content: center;
}

.org-chart__body {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.org-box {
  text-align: center;
}

.org-box--lead {
  min-width: 260px;
  background: linear-gradient(135deg, #0f4e8d, #0c325a);
  color: #fff;
}

.org-box--lead p {
  color: rgba(255, 255, 255, 0.72);
}

.ethics-list {
  display: grid;
  gap: 16px;
  margin-top: 22px;
}

.ethics-list article {
  padding: 22px 24px;
  border-left: 4px solid var(--primary);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.78);
}

.ethics-list h3 {
  margin: 0 0 10px;
  font-size: 1.08rem;
}

.steps-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.step strong {
  display: inline-flex;
  margin-bottom: 16px;
  color: var(--primary);
  font-family: "Montserrat", sans-serif;
  letter-spacing: 0.16em;
}

.map-layout {
  align-items: stretch;
}

.map-box img {
  width: 100%;
  border-radius: 18px;
}

.map-actions {
  display: flex;
  gap: 12px;
  margin-top: 18px;
}

.route-highlight {
  padding: 28px;
  border-radius: var(--radius-large);
  background: linear-gradient(135deg, #0c2540, #133c64);
  color: #fff;
  box-shadow: var(--shadow);
}

.route-highlight h3,
.route-highlight p {
  color: #fff;
}

.route-highlight p {
  color: rgba(255, 255, 255, 0.78);
}

.fleet-table {
  width: 100%;
  border-collapse: collapse;
  overflow: hidden;
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow);
}

.table-wrap {
  overflow-x: auto;
}

.fleet-table th,
.fleet-table td {
  padding: 16px 18px;
  border-bottom: 1px solid rgba(16, 34, 53, 0.08);
  text-align: left;
}

.fleet-table th {
  background: #eef5fb;
  color: var(--primary-deep);
  font-size: 0.92rem;
}

.fleet-table td {
  color: var(--muted);
}

.sitemap-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.footer {
  padding: 70px 0 54px;
  background: #071828;
  color: rgba(255, 255, 255, 0.82);
}

.footer__content {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: start;
}

.footer__brand h2 {
  color: #fff;
  font-size: 2.1rem;
}

.footer__brand p {
  max-width: 460px;
}

.contact-list {
  display: grid;
  gap: 10px;
  justify-items: end;
  text-align: right;
}

.contact-list a {
  color: #fff;
  font-weight: 700;
}

.footer__bottom {
  margin-top: 36px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.52);
  font-size: 0.88rem;
}

@media (max-width: 980px) {
  .stats-band__grid,
  .cards--three,
  .feature-matrix,
  .steps-grid,
  .jobs-grid,
  .sitemap-grid,
  .org-chart__body {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .section-grid,
  .feature-split,
  .map-layout,
  .content-grid,
  .footer__content {
    grid-template-columns: 1fr;
    display: grid;
  }

  .contact-list {
    justify-items: start;
    text-align: left;
  }
}

@media (max-width: 760px) {
  .utility-bar__inner {
    flex-direction: column;
    align-items: flex-start;
    padding: 10px 0;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: none;
    padding: 14px 16px 18px;
    background: rgba(7, 24, 41, 0.98);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
  }

  .site-nav.is-open {
    display: block;
  }

  .nav-list,
  .hero-actions,
  .stats-band__grid,
  .cards--three,
  .feature-matrix,
  .info-grid,
  .routes-grid,
  .steps-grid,
  .jobs-grid,
  .sitemap-grid,
  .org-chart__body {
    grid-template-columns: 1fr;
  }

  .nav-list {
    display: grid;
    gap: 0;
  }

  .nav-item {
    width: 100%;
  }

  .nav-item::after {
    display: none;
  }

  .nav-link,
  .nav-parent {
    width: 100%;
    justify-content: space-between;
    padding: 16px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  }

  .nav-dropdown {
    position: static;
    min-width: auto;
    margin: 0 0 8px;
    padding: 6px 0 8px 12px;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
    opacity: 1;
    pointer-events: auto;
    transform: none;
    display: none;
  }

  .nav-item.is-open .nav-dropdown {
    display: block;
  }

  .landing-hero,
  .hero-slider,
  .hero-slide__inner {
    min-height: 640px;
  }

  .hero-copy h1 {
    font-size: 2.6rem;
  }

  .hero-pagination {
    right: 20px;
  }

  .section {
    padding: 80px 0;
  }
}
