:root {
  --ink: #0a0a0a;
  --muted: #6b6b6b;
  --line: rgba(0,0,0,.08);
  --warm: #f5f5f7;
  --white: #fff;
  --accent: #b99a68;
  --navy: #10294d;
  --safe: env(safe-area-inset-bottom, 0px);
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", Inter, "PingFang SC", "Noto Sans SC", "Noto Sans KR", system-ui, sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  font-size: 17px;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 28px; }
.wrap-wide { max-width: 1320px; margin: 0 auto; padding: 0 28px; }

header.top {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background .25s ease, border-color .25s ease, backdrop-filter .25s ease;
}
header.top.is-solid {
  background: rgba(255,255,255,.78);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom-color: var(--line);
}
header.top:not(.is-solid) .lang-switch,
header.top:not(.is-solid) .lang-switch a,
header.top:not(.is-solid) .nav > a:not(.nav-cta) {
  color: rgba(255,255,255,.82);
}
header.top:not(.is-solid) .lang-switch a:hover,
header.top:not(.is-solid) .lang-switch a.active,
header.top:not(.is-solid) .nav > a:not(.nav-cta):hover {
  color: #fff; background: rgba(255,255,255,.12);
}
header.top:not(.is-solid) .lang-switch .sep { color: rgba(255,255,255,.35); }
header.top:not(.is-solid) img.logo {
  filter: brightness(0) invert(1);
}
header.top .bar {
  display: flex; align-items: center; gap: 16px;
  min-height: 52px; padding: 8px 0;
}
header.top img.logo { height: 28px; width: auto; }
.lang-switch {
  display: inline-flex; align-items: center; gap: 2px;
  margin-left: auto; font-size: 0.82rem; font-weight: 600;
  color: var(--muted); white-space: nowrap; flex-shrink: 0;
}
.lang-switch a { padding: 8px 7px; border-radius: 8px; color: var(--muted); }
.lang-switch a:hover { color: var(--ink); background: var(--warm); }
.lang-switch a.active { color: var(--ink); background: var(--warm); font-weight: 700; }
.lang-switch .sep { color: #ccc; padding: 0 1px; font-weight: 400; }
.nav {
  display: flex; flex-wrap: wrap; gap: 4px 18px; align-items: center;
  font-size: 0.84rem; font-weight: 500; color: var(--muted);
}
.nav a:hover { color: var(--ink); }
.nav .nav-cta {
  background: var(--ink); color: #fff !important;
  padding: 8px 14px; border-radius: 980px; font-weight: 600;
}
.nav .nav-cta:hover { opacity: .88; }
@media (max-width: 860px) {
  .nav > a:not(.nav-cta) { display: none; }
  header.top .bar { flex-wrap: wrap; gap: 8px 12px; }
  header.top img.logo { height: 24px; max-width: 46vw; }
  .lang-switch { font-size: 0.92rem; }
  .nav { width: 100%; }
  .nav .nav-cta { margin-left: auto; }
}

.eyebrow {
  font-size: 0.72rem; font-weight: 600; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--accent); margin: 0 0 14px;
}
h1, h2, h3 { letter-spacing: -0.035em; line-height: 1.08; font-weight: 600; margin: 0; }
.lead {
  color: var(--muted); font-size: 1.15rem; max-width: 36rem;
  margin: 18px 0 0; line-height: 1.55; font-weight: 400;
}
.section { padding: 96px 0; }
.section.tight { padding: 72px 0; }
.section.warm { background: var(--warm); }
.section.dark { background: #000; color: #fff; }
.section.dark .lead, .section.dark .muted { color: rgba(255,255,255,.62); }
.section.dark .eyebrow { color: var(--accent); }
.section.dark h2 { color: #fff; }

.hero-bleed {
  position: relative; min-height: min(92vh, 900px);
  display: flex; align-items: flex-end; color: #fff;
  overflow: hidden; background: #0a1628;
}
.hero-bleed .hero-stage {
  position: absolute; inset: 0; z-index: 0;
}
.hero-bleed .slides { margin: 0; padding: 0; list-style: none; height: 100%; }
.hero-bleed .slide {
  position: absolute; inset: 0; opacity: 0;
  transition: opacity 1.2s ease;
  pointer-events: none;
}
.hero-bleed .slide.is-active { opacity: 1; z-index: 1; pointer-events: auto; }
.hero-bleed .slide img {
  width: 100%; height: 100%; object-fit: cover; object-position: center;
  transform: scale(1.08);
}
.hero-bleed .slide.is-active img {
  animation: kb-hero 18s ease-out forwards;
}
@keyframes kb-hero {
  from { transform: scale(1.08); }
  to { transform: scale(1.0); }
}
@media (prefers-reduced-motion: reduce) {
  .hero-bleed .slide.is-active img { animation: none !important; transform: scale(1) !important; }
}
.hero-bleed .veil {
  position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(180deg, rgba(0,0,0,.48) 0%, rgba(0,0,0,.20) 42%, rgba(0,0,0,.75) 100%);
  pointer-events: none;
}
.hero-bleed .hero-copy {
  position: relative; z-index: 2; width: 100%;
  padding: 0 0 calc(64px + var(--safe));
}
.hero-bleed .hero-eyebrow {
  font-size: 0.72rem; font-weight: 600; letter-spacing: 0.16em;
  text-transform: uppercase; color: rgba(255,255,255,.75); margin: 0 0 14px;
}
.hero-bleed h1 {
  font-size: clamp(2.6rem, 7vw, 4.8rem);
  font-weight: 600; max-width: 14ch; color: #fff;
}
.hero-bleed .sub {
  margin: 18px 0 0; max-width: 32rem;
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: rgba(255,255,255,.82); font-weight: 400; line-height: 1.45;
}
.hero-bleed .cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.hero-bleed .cd-dots {
  position: absolute; right: 28px; bottom: 40px; z-index: 4;
  display: flex; gap: 8px;
}
.hero-bleed .cd-dots button {
  width: 7px; height: 7px; border-radius: 50%; border: 0; padding: 0;
  background: rgba(255,255,255,.35); cursor: pointer;
}
.hero-bleed .cd-dots button[aria-current="true"] { background: #fff; transform: scale(1.25); }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 14px 22px; border-radius: 980px; font-weight: 600; font-size: 0.95rem;
  border: none; cursor: pointer;
}
.btn-light { background: #fff; color: #000; }
.btn-light:hover { background: #f0f0f0; }
.btn-ghost-light {
  background: transparent; color: #fff;
  border: 1px solid rgba(255,255,255,.45);
}
.btn-ghost-light:hover { background: rgba(255,255,255,.08); }
.btn-dark { background: #000; color: #fff; }
.btn-dark:hover { opacity: .88; }
.btn-ghost-dark {
  background: transparent; color: #000;
  border: 1px solid rgba(0,0,0,.22);
}
.btn-ghost-dark:hover { background: rgba(0,0,0,.04); }
@media (max-width: 700px) {
  .hero-bleed { min-height: 88vh; }
  .hero-bleed .cd-dots { right: 18px; bottom: 18px; }
}

.statement {
  padding: 120px 28px; text-align: center;
}
.statement h2 {
  font-size: clamp(1.85rem, 4.2vw, 3.1rem);
  max-width: 18ch; margin: 0 auto;
}
.statement p {
  margin: 22px auto 0; max-width: 34rem;
  color: var(--muted); font-size: 1.1rem;
}

.photo-band {
  position: relative; min-height: min(70vh, 640px);
  display: flex; align-items: flex-end; color: #fff; overflow: hidden;
  background: #111;
}
.photo-band img.bg {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; object-position: center;
}
.photo-band .veil {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 20%, rgba(0,0,0,.7) 100%);
}
.photo-band .copy {
  position: relative; z-index: 1; padding: 48px 28px 56px; max-width: 1120px; width: 100%; margin: 0 auto;
}
.photo-band h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); color: #fff; max-width: 16ch; }
.photo-band p { margin: 14px 0 0; max-width: 32rem; color: rgba(255,255,255,.78); font-size: 1.05rem; }
.photo-band .path-num {
  font-size: 0.72rem; font-weight: 600; letter-spacing: 0.14em;
  text-transform: uppercase; color: rgba(255,255,255,.65); margin: 0 0 12px;
}
.photo-band .path-visual-note {
  margin: 12px 0 0; max-width: 32rem;
  color: rgba(255,255,255,.55); font-size: 0.88rem; font-style: italic;
}

.about-grid {
  display: grid; gap: 20px;
  grid-template-columns: repeat(2, 1fr);
  margin-top: 40px;
}
@media (max-width: 760px) { .about-grid { grid-template-columns: 1fr; } }
.about-card {
  padding: 28px 26px 32px; border-radius: 8px; background: var(--warm);
}
.about-card h3 { font-size: 1.15rem; margin-bottom: 10px; }
.about-card p { margin: 0; color: var(--muted); font-size: 0.98rem; line-height: 1.55; }
.about-card a.mail { color: var(--ink); }

.mosaic {
  display: grid; gap: 12px;
  grid-template-columns: 1.4fr 1fr 1fr;
  grid-template-rows: auto auto;
  margin-top: 36px;
}
.mosaic figure {
  margin: 0; border-radius: 6px; overflow: hidden; position: relative;
  background: #ddd; min-height: 200px;
}
.mosaic figure.span2 { grid-row: span 2; min-height: 420px; }
.mosaic img {
  width: 100%; height: 100%; object-fit: cover; min-height: 200px;
}
.mosaic figcaption {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 24px 18px 16px;
  background: linear-gradient(transparent, rgba(0,0,0,.6));
  color: #fff; font-size: 0.88rem; font-weight: 500;
}
@media (max-width: 800px) {
  .mosaic { grid-template-columns: 1fr 1fr; }
  .mosaic figure.span2 { grid-row: span 1; grid-column: span 2; min-height: 260px; }
}

.split {
  display: grid; gap: 48px; align-items: center;
  grid-template-columns: 1.05fr 1fr;
  margin-top: 8px;
}
.split.reverse { direction: rtl; }
.split.reverse > * { direction: ltr; }
@media (max-width: 860px) {
  .split, .split.reverse { grid-template-columns: 1fr; direction: ltr; gap: 28px; }
}
.split .visual {
  border-radius: 6px; overflow: hidden; min-height: 360px; background: #111;
}
.split .visual img { width: 100%; height: 100%; min-height: 360px; object-fit: cover; }
.split h2 { font-size: clamp(1.7rem, 3vw, 2.4rem); max-width: 14ch; }
.split ul { margin: 20px 0 0; padding: 0; list-style: none; color: var(--muted); }
.split li {
  padding: 12px 0; border-top: 1px solid var(--line);
  font-size: 1rem;
}
.split li:last-child { border-bottom: 1px solid var(--line); }

.pill-row {
  display: grid; gap: 16px;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 36px;
}
@media (max-width: 900px) { .pill-row { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .pill-row { grid-template-columns: 1fr; } }
.pill {
  padding: 28px 24px; border-radius: 18px; background: var(--warm);
}
.section.warm .pill { background: #fff; }
.pill h3 { font-size: 1.05rem; margin-bottom: 8px; }
.pill p { margin: 0; color: var(--muted); font-size: 0.92rem; }

details.faq {
  border-bottom: 1px solid var(--line);
  padding: 20px 0;
}
details.faq:first-of-type { border-top: 1px solid var(--line); }
details.faq summary {
  cursor: pointer; font-weight: 600; font-size: 1.05rem;
  list-style: none; display: flex; justify-content: space-between; gap: 16px;
}
details.faq summary::-webkit-details-marker { display: none; }
details.faq summary::after { content: "+"; color: var(--muted); font-weight: 400; font-size: 1.2rem; }
details.faq[open] summary::after { content: "–"; }
details.faq p { margin: 12px 0 4px; color: var(--muted); max-width: 40rem; }

.footer-cta {
  padding: 120px 28px; text-align: center; background: #000; color: #fff;
}
.footer-cta h2 { color: #fff; font-size: clamp(2rem, 4vw, 3.2rem); max-width: 14ch; margin: 0 auto; }
.footer-cta p { margin: 18px auto 28px; color: rgba(255,255,255,.62); max-width: 28rem; }
.footer-cta .cta { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; }
footer.site {
  padding: 40px 0 56px; border-top: 1px solid var(--line);
  font-size: 0.88rem; color: var(--muted);
}
footer.site .foot-grid {
  display: flex; flex-wrap: wrap; gap: 24px; justify-content: space-between;
}
footer.site img.logo { height: 28px; margin-bottom: 12px; }
footer.site a:hover { color: var(--ink); }
.pill-row-3 { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 900px) { .pill-row-3 { grid-template-columns: 1fr !important; } }
.muted { color: var(--muted); font-size: 0.8rem; margin-top: 8px; }
a.mail { font-weight: 600; }


.ops-grid {
  display: grid; gap: 16px;
  grid-template-columns: repeat(2, 1fr);
  margin-top: 40px;
}
@media (max-width: 760px) { .ops-grid { grid-template-columns: 1fr; } }
.ops-card {
  display: block; padding: 28px 26px 30px; border-radius: 8px;
  background: var(--warm); transition: transform .2s ease, box-shadow .2s ease;
}
.ops-card:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(0,0,0,.06); }
.section.warm .ops-card { background: #fff; }
.ops-card .ops-kicker {
  font-size: 0.72rem; font-weight: 600; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--accent); margin: 0 0 10px;
}
.ops-card h3 { font-size: 1.15rem; margin-bottom: 10px; }
.ops-card p { margin: 0; color: var(--muted); font-size: 0.98rem; line-height: 1.55; }
.ops-card .ops-link {
  display: inline-block; margin-top: 14px; font-size: 0.92rem; font-weight: 600; color: var(--ink);
}

/* Operate: compact domestic capacity + overseas doors */
.ops-capacity {
  margin-top: 28px;
  padding: 22px 24px;
  border-radius: 8px;
  background: #fff;
  max-width: 46rem;
}
.section.warm .ops-capacity { background: #fff; }
.ops-capacity-label {
  font-size: 0.72rem; font-weight: 600; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--accent); margin: 0 0 10px;
}
.ops-capacity-copy {
  margin: 0; color: var(--muted); font-size: 0.98rem; line-height: 1.65;
}
.ops-doors-lead { margin-top: 36px; max-width: 40rem; }
.ops-grid.ops-doors { margin-top: 24px; }

.photo-band a.band-cta {
  display: inline-flex; margin-top: 18px; padding: 10px 18px; border-radius: 980px;
  background: #fff; color: #000; font-weight: 600; font-size: 0.9rem;
}
.photo-band a.band-cta:hover { background: #f0f0f0; }

/* Subpages */
.page-hero {
  padding: 140px 0 72px; background: var(--warm);
}
.page-hero h1 { font-size: clamp(2.1rem, 4.5vw, 3.4rem); max-width: 16ch; }
.page-hero .lead { max-width: 38rem; }
.page-hero.dark {
  background: #0a1628; color: #fff;
  position: relative; overflow: hidden; min-height: 420px;
  display: flex; align-items: flex-end;
}
.page-hero.dark .bg {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; opacity: .55;
}
.page-hero.dark .veil {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,.35) 0%, rgba(0,0,0,.72) 100%);
}
.page-hero.dark .wrap { position: relative; z-index: 1; padding-bottom: 56px; }
.page-hero.dark .lead { color: rgba(255,255,255,.78); }
.page-hero.dark .eyebrow { color: rgba(255,255,255,.7); }
.content-block { max-width: 720px; }
.content-block p { color: var(--muted); font-size: 1.05rem; line-height: 1.6; margin: 0 0 16px; }
.content-block ul {
  margin: 0 0 16px; padding: 0; list-style: none;
}
.content-block li {
  padding: 14px 0; border-top: 1px solid var(--line);
  color: var(--muted); font-size: 1.02rem; line-height: 1.55;
}
.content-block li:last-child { border-bottom: 1px solid var(--line); }
.content-block li strong { color: var(--ink); font-weight: 600; display: block; margin-bottom: 4px; }
.sub-nav-paths {
  display: flex; flex-wrap: wrap; gap: 8px; margin-top: 28px;
}
.sub-nav-paths a {
  padding: 8px 14px; border-radius: 980px; font-size: 0.84rem; font-weight: 600;
  background: rgba(0,0,0,.06); color: var(--ink);
}
.page-hero.dark .sub-nav-paths a { background: rgba(255,255,255,.14); color: #fff; }
.sub-nav-paths a:hover { background: rgba(0,0,0,.1); }
.page-hero.dark .sub-nav-paths a:hover { background: rgba(255,255,255,.22); }
.sub-nav-paths a.active { background: #000; color: #fff; }
.page-hero.dark .sub-nav-paths a.active { background: #fff; color: #000; }
header.top.sub-solid {
  background: rgba(255,255,255,.78);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom-color: var(--line);
}


/* Six-line operate grid + overseas strip (not operate doors) */
.ops-grid.ops-doors {
  grid-template-columns: repeat(3, 1fr);
}
@media (max-width: 980px) {
  .ops-grid.ops-doors { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 760px) {
  .ops-grid.ops-doors { grid-template-columns: 1fr; }
}
.ops-overseas-strip {
  margin-top: 36px;
  padding: 18px 22px;
  border-radius: 8px;
  background: rgba(0,0,0,.03);
  max-width: 52rem;
}
.ops-overseas-strip .ops-capacity-copy a.mail { font-weight: 600; }