/* yusenco.com v2 · photo-led */
@font-face { font-family: "Yusen Caslon"; src: url("/assets/fonts/caslon.woff2") format("woff2"); font-weight: 400 700; font-style: normal; font-display: swap; }
@font-face { font-family: "Yusen Serif TC"; src: url("/assets/fonts/serif-tc.woff2") format("woff2"); font-weight: 400 700; font-display: swap; }
@font-face { font-family: "Yusen Serif KR"; src: url("/assets/fonts/serif-kr.woff2") format("woff2"); font-weight: 400 700; font-display: swap; }

:root {
  --ink: #15181D;
  --night: #1B2027;
  --grey: #5A626C;
  --mist: #A9B1BA;
  --line: #DADEE2;
  --paper: #FFFFFF;
  --fog: #F3F4F5;
  --celadon: #2E6A61;
  --celadon-deep: #1F4D46;
  --celadon-light: #9CCBBF;

  --serif: "Yusen Caslon", Georgia, "Times New Roman", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --width: 1240px;
  --gutter: 32px;
  --sec: 120px;
}
body.l-zh {
  --serif: "Yusen Caslon", "Yusen Serif TC", "Noto Serif TC", "Songti TC", "PMingLiU", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang HK", "PingFang TC", "Microsoft JhengHei", "Noto Sans TC", sans-serif;
}
body.l-ko {
  --serif: "Yusen Caslon", "Yusen Serif KR", "Noto Serif KR", "AppleMyungjo", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Apple SD Gothic Neo", "Malgun Gothic", "Noto Sans KR", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 400 17px/1.65 var(--sans); text-rendering: optimizeLegibility; }
body.l-zh { line-height: 1.85; line-break: strict; }
body.l-zh h1, body.l-zh h2, body.l-zh .statement p, body.l-zh .tile-name, body.l-zh .band h2 { word-break: keep-all; }
body.l-ko { line-height: 1.8; word-break: keep-all; overflow-wrap: anywhere; }
img { max-width: 100%; }

h1, h2, h3 { font-family: var(--serif); margin: 0; font-weight: 400; }
body.l-zh h1, body.l-zh h2, body.l-ko h1, body.l-ko h2 { font-weight: 600; }
p { margin: 0 0 16px; }
p:last-child { margin-bottom: 0; }
a { color: var(--celadon); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--celadon-deep); text-decoration-thickness: 2px; }
:focus-visible { outline: 2px solid var(--celadon); outline-offset: 3px; }

.wrap { max-width: var(--width); margin: 0 auto; padding-left: var(--gutter); padding-right: var(--gutter); }
.skip { position: absolute; left: -9999px; top: 8px; background: var(--ink); color: #fff; padding: 8px 14px; z-index: 20; }
.skip:focus { left: 16px; }

.sec-title { font-size: 40px; line-height: 1.15; letter-spacing: -0.01em; }
body.l-zh .sec-title, body.l-ko .sec-title { font-size: 34px; line-height: 1.3; letter-spacing: 0; }

/* ---------- header ---------- */
.site-head { position: relative; z-index: 5; }
.site-head.over { position: absolute; top: 0; left: 0; right: 0; }
.head-inner { display: flex; align-items: center; gap: 36px; min-height: 96px; }
.brand { display: block; line-height: 0; margin-right: auto; }
.brand img { height: 28px; width: auto; }
body.l-ko .brand img { height: 31px; }
.nav, .langs { display: flex; align-items: center; }
.nav { gap: 32px; }
.nav a, .langs a { text-decoration: none; font-size: 15px; letter-spacing: 0.01em; padding: 6px 0; }
.langs { gap: 14px; padding-left: 28px; border-left: 1px solid; }
.over .nav a, .over .langs a { color: rgba(255, 255, 255, 0.86); }
.over .nav a:hover, .over .langs a:hover, .over a[aria-current] { color: #FFFFFF; }
.over .langs { border-color: rgba(255, 255, 255, 0.3); }
.over a[aria-current] { box-shadow: inset 0 -1px 0 #FFFFFF; }
.over :focus-visible { outline-color: #FFFFFF; }
.solid { border-bottom: 1px solid var(--line); }
.solid .nav a, .solid .langs a { color: var(--ink); }
.solid .langs { border-color: var(--line); }

/* ---------- photo blocks ---------- */
.hero, .page-hero, .band { position: relative; overflow: hidden; color: #FFFFFF; background: var(--night); isolation: isolate; }
.bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; }
.shade { position: absolute; inset: 0; z-index: -1; }
.hero .shade { background: linear-gradient(90deg, rgba(14, 18, 23, 0.86) 0%, rgba(14, 18, 23, 0.62) 42%, rgba(14, 18, 23, 0.18) 100%), linear-gradient(0deg, rgba(14, 18, 23, 0.55) 0%, rgba(14, 18, 23, 0) 40%); }
.page-hero .shade { background: linear-gradient(0deg, rgba(14, 18, 23, 0.78) 0%, rgba(14, 18, 23, 0.35) 60%, rgba(14, 18, 23, 0.45) 100%); }
.band .shade { background: linear-gradient(90deg, rgba(14, 18, 23, 0.9) 0%, rgba(14, 18, 23, 0.72) 50%, rgba(14, 18, 23, 0.35) 100%); }

.hero { min-height: 100vh; min-height: 100svh; display: flex; align-items: flex-end; }
.hero-inner { width: 100%; padding-top: 180px; padding-bottom: 112px; }
.hero h1 { font-size: 76px; line-height: 1.04; letter-spacing: -0.02em; max-width: 11.5em; }
body.l-zh .hero h1, body.l-ko .hero h1 { font-size: 58px; line-height: 1.25; letter-spacing: 0; max-width: 13em; }
.hero .lead { font-size: 20px; line-height: 1.6; max-width: 36em; margin-top: 28px; color: rgba(255, 255, 255, 0.86); }
body.l-zh .hero .lead, body.l-ko .hero .lead { font-size: 19px; line-height: 1.85; }

.page-hero { min-height: 62vh; display: flex; align-items: flex-end; }
.page-hero-inner { width: 100%; padding-top: 160px; padding-bottom: 72px; }
.page-hero h1 { font-size: 64px; line-height: 1.08; letter-spacing: -0.015em; }
body.l-zh .page-hero h1, body.l-ko .page-hero h1 { font-size: 50px; line-height: 1.25; letter-spacing: 0; }
.page-hero .lead { font-size: 20px; line-height: 1.6; max-width: 38em; margin-top: 20px; color: rgba(255, 255, 255, 0.86); }
body.l-zh .page-hero .lead, body.l-ko .page-hero .lead { font-size: 18.5px; line-height: 1.85; }

/* ---------- buttons ---------- */
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 16px 20px; margin-top: 40px; }
.btn { display: inline-block; font-size: 16px; font-weight: 500; line-height: 1.2; padding: 16px 28px; border-radius: 2px; text-decoration: none; border: 1px solid transparent; }
.btn-light { background: #FFFFFF; color: var(--ink); }
.btn-light:hover { background: var(--celadon-light); color: var(--ink); }
.btn-ghost { color: #FFFFFF; border-color: rgba(255, 255, 255, 0.55); }
.btn-ghost:hover { color: #FFFFFF; border-color: #FFFFFF; background: rgba(255, 255, 255, 0.08); }
.btn-dark { background: var(--ink); color: #FFFFFF; }
.btn-dark:hover { background: var(--celadon); color: #FFFFFF; }

/* ---------- statement ---------- */
.statement { padding-top: var(--sec); padding-bottom: 96px; }
.statement p { font-family: var(--serif); font-size: 38px; line-height: 1.32; letter-spacing: -0.01em; max-width: 24em; }
body.l-zh .statement p, body.l-ko .statement p { font-size: 30px; line-height: 1.6; letter-spacing: 0; max-width: 26em; }

/* ---------- service tiles ---------- */
.tiles-sec { padding-bottom: var(--sec); }
.tiles { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; margin-top: 48px; }
.tile { position: relative; display: block; aspect-ratio: 4 / 3; overflow: hidden; color: #FFFFFF; text-decoration: none; background: var(--night); isolation: isolate; }
.tile:hover { color: #FFFFFF; }
.tile-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; transition: transform 0.6s ease; }
.tile::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(0deg, rgba(14, 18, 23, 0.86) 0%, rgba(14, 18, 23, 0.25) 55%, rgba(14, 18, 23, 0.05) 100%); }
.tile:hover .tile-img { transform: scale(1.03); }
.tile-text { position: absolute; left: 0; right: 0; bottom: 0; padding: 32px 36px; display: block; }
.tile-name { display: block; font-family: var(--serif); font-size: 30px; line-height: 1.2; }
body.l-zh .tile-name, body.l-ko .tile-name { font-size: 26px; font-weight: 600; }
.tile-short { display: block; margin-top: 10px; font-size: 16px; line-height: 1.55; color: rgba(255, 255, 255, 0.82); max-width: 30em; }

/* ---------- lanes (dark map) ---------- */
.lanes { background: var(--night); color: #FFFFFF; }
.lanes-inner { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 64px; align-items: center; padding-top: var(--sec); padding-bottom: var(--sec); }
.lanes-text p { margin-top: 24px; font-size: 18px; line-height: 1.7; color: rgba(255, 255, 255, 0.8); max-width: 26em; }
.lanes-map { margin: 0; }
.tradmap { display: block; width: 100%; height: auto; }
.tradmap .fs { stop-color: #FFFFFF; }
.tradmap .land { fill: #F1F3F4; stroke: #C7CED4; stroke-width: 0.7; stroke-linejoin: round; }
.tradmap .lane { fill: none; stroke: var(--celadon); stroke-width: 2.2; stroke-linecap: round; }
.tradmap .air { stroke-width: 1.7; stroke-dasharray: 6 5; }
.tradmap .city { fill: var(--ink); }
.tradmap text { font-family: var(--sans); }
.tradmap .lbl { font-size: 15px; font-weight: 600; fill: var(--ink); }
.tradmap .region { font-size: 15px; fill: var(--grey); }
.tradmap .lanelbl { font-size: 14px; font-weight: 600; fill: var(--celadon); }
.lanes .tradmap .fs { stop-color: var(--night); }
.lanes .tradmap .land { fill: rgba(255, 255, 255, 0.06); stroke: rgba(255, 255, 255, 0.28); }
.lanes .tradmap .lane { stroke: var(--celadon-light); }
.lanes .tradmap .city { fill: #FFFFFF; }
.lanes .tradmap .lbl { fill: #FFFFFF; }
.lanes .tradmap .region { fill: var(--mist); }
.lanes .tradmap .lanelbl { fill: var(--celadon-light); }

/* ---------- cities ---------- */
.cities-sec { padding-top: var(--sec); padding-bottom: var(--sec); }
.cities { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; margin-top: 48px; }
.city { margin: 0; }
.city-img { display: block; width: 100%; height: auto; aspect-ratio: 3 / 4; object-fit: cover; background: var(--fog); }
.city figcaption { padding-top: 18px; }
.city-name { display: block; font-family: var(--serif); font-size: 26px; line-height: 1.2; }
body.l-zh .city-name, body.l-ko .city-name { font-weight: 600; font-size: 23px; }
.city-role { display: block; margin-top: 6px; color: var(--grey); font-size: 16px; }

/* ---------- band ---------- */
.band-inner { padding-top: 136px; padding-bottom: 136px; }
.band h2 { font-size: 52px; line-height: 1.12; letter-spacing: -0.015em; max-width: 14em; }
body.l-zh .band h2, body.l-ko .band h2 { font-size: 40px; line-height: 1.35; letter-spacing: 0; }
.band p { margin-top: 20px; font-size: 19px; color: rgba(255, 255, 255, 0.85); max-width: 34em; }
.band .actions { margin-top: 36px; }
.band-mail { color: #FFFFFF; font-size: 17px; }
.band-mail:hover { color: var(--celadon-light); }

/* ---------- services page ---------- */
.svc-row { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 72px; align-items: center; padding-top: 104px; scroll-margin-top: 24px; }
.svc-row.flip .svc-media { order: 2; }
.svc-media { margin: 0; }
.svc-img { display: block; width: 100%; height: auto; aspect-ratio: 5 / 4; object-fit: cover; }
.svc-text h2 { font-size: 40px; line-height: 1.15; letter-spacing: -0.01em; }
body.l-zh .svc-text h2, body.l-ko .svc-text h2 { font-size: 32px; line-height: 1.35; letter-spacing: 0; }
.svc-text > p:first-of-type { margin-top: 20px; font-size: 18px; }
.ticks { list-style: none; margin: 24px 0; padding: 0; }
.ticks li { position: relative; padding-left: 24px; margin: 10px 0; }
.ticks li::before { content: ""; position: absolute; left: 0; top: 0.85em; width: 12px; height: 2px; background: var(--celadon); }
.ticks.big { margin: 0; font-size: 18px; }
.ticks.big li { padding-top: 16px; padding-bottom: 16px; margin: 0; border-top: 1px solid var(--line); }
.ticks.big li:first-child { border-top: 0; padding-top: 0; }
.ticks.big li::before { top: calc(16px + 0.85em); }
.ticks.big li:first-child::before { top: 0.85em; }
.aside { font-size: 15px; color: var(--grey); }

.process { background: var(--fog); margin-top: 120px; }
.process-inner { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); gap: 48px; padding-top: 104px; padding-bottom: 104px; }
.steps { list-style: none; margin: 0; padding: 0; counter-reset: step; }
.steps li { counter-increment: step; display: grid; grid-template-columns: 56px 1fr; align-items: baseline; padding: 20px 0; border-top: 1px solid var(--line); font-size: 18px; }
.steps li:first-child { border-top: 0; padding-top: 0; }
.steps li::before { content: counter(step); font: 400 30px/1 var(--serif); color: var(--celadon); }

/* ---------- about / contact ---------- */
.split { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); gap: 48px; padding-top: 104px; padding-bottom: 104px; border-top: 1px solid var(--line); }
.page-hero + .split { border-top: 0; }
.note-sec { background: var(--night); color: #FFFFFF; }
.note-inner { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); gap: 48px; padding-top: 120px; padding-bottom: 120px; }
.note { margin: 0; }
.note blockquote { margin: 0; font-family: var(--serif); font-size: 26px; line-height: 1.55; }
.note blockquote p { margin-bottom: 24px; }
body.l-zh .note blockquote, body.l-ko .note blockquote { font-size: 22px; line-height: 1.9; }
.note figcaption { margin-top: 28px; font-size: 15px; color: var(--mist); }
.note figcaption::before { content: ""; display: inline-block; width: 28px; height: 1px; background: var(--celadon-light); vertical-align: middle; margin-right: 12px; }

.facts { border-collapse: collapse; width: 100%; font-size: 17px; }
.facts th, .facts td { text-align: left; vertical-align: top; padding: 16px 0; border-top: 1px solid var(--line); }
.facts tr:first-child th, .facts tr:first-child td { border-top: 0; padding-top: 0; }
.facts th { font-weight: 400; color: var(--grey); width: 36%; padding-right: 16px; }

.contact { margin: 0; font-size: 18px; }
.contact div { display: grid; grid-template-columns: 36% 1fr; gap: 16px; padding: 16px 0; border-top: 1px solid var(--line); }
.contact div:first-child { border-top: 0; padding-top: 0; }
.contact dt { color: var(--grey); }
.contact dd { margin: 0; }

.nf { padding-top: 96px; padding-bottom: 128px; }
.nf > div + div { margin-top: 48px; }
.nf .nf-h { font-size: 34px; margin-bottom: 8px; }

/* ---------- footer ---------- */
.site-foot { background: var(--ink); color: var(--mist); font-size: 14.5px; line-height: 1.65; }
.foot-inner { display: grid; grid-template-columns: minmax(0, 3fr) minmax(0, 3fr) minmax(0, 3fr) minmax(0, 2fr); gap: 32px 48px; padding-top: 80px; padding-bottom: 56px; }
.foot-brand img { height: 28px; width: auto; }
body.l-ko .foot-brand img { height: 31px; }
.foot-legal { color: #E4E7EA; }
.foot-addr { font-style: normal; }
.foot-addr a, .foot-nav a { color: #E4E7EA; text-decoration: none; }
.foot-addr a:hover, .foot-nav a:hover { color: #FFFFFF; text-decoration: underline; }
.foot-nav { display: flex; flex-direction: column; gap: 6px; }
.foot-base { display: flex; justify-content: space-between; gap: 16px; padding-top: 20px; padding-bottom: 28px; border-top: 1px solid rgba(255, 255, 255, 0.12); font-size: 13px; }
.site-foot :focus-visible { outline-color: #FFFFFF; }

/* ---------- responsive ---------- */
@media (max-width: 1080px) {
  :root { --sec: 96px; }
  .hero h1 { font-size: 60px; }
  body.l-zh .hero h1, body.l-ko .hero h1 { font-size: 46px; }
  .lanes-inner { grid-template-columns: 1fr; gap: 40px; }
  .lanes-map { max-width: 680px; }
  .foot-inner { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px) {
  :root { --gutter: 20px; --sec: 72px; }
  body { font-size: 16.5px; }
  .head-inner { flex-wrap: wrap; gap: 4px 20px; min-height: 0; padding-top: 22px; padding-bottom: 12px; }
  .brand { width: 100%; margin-bottom: 8px; }
  .brand img { height: 24px; }
  body.l-ko .brand img { height: 27px; }
  .nav { gap: 20px; }
  .langs { margin-left: auto; padding-left: 16px; }
  .hero-inner { padding-top: 150px; padding-bottom: 64px; }
  .hero h1 { font-size: 42px; line-height: 1.08; }
  body.l-zh .hero h1, body.l-ko .hero h1 { font-size: 32px; line-height: 1.32; }
  .hero .lead, .page-hero .lead { font-size: 17px; }
  body.l-zh .hero .lead, body.l-ko .hero .lead { font-size: 16.5px; }
  .hero .shade { background: linear-gradient(0deg, rgba(14, 18, 23, 0.9) 0%, rgba(14, 18, 23, 0.6) 55%, rgba(14, 18, 23, 0.35) 100%); }
  .btn { padding: 14px 22px; }
  .page-hero { min-height: 52vh; }
  .page-hero-inner { padding-top: 150px; padding-bottom: 48px; }
  .page-hero h1 { font-size: 42px; }
  body.l-zh .page-hero h1, body.l-ko .page-hero h1 { font-size: 34px; }
  .sec-title { font-size: 30px; }
  body.l-zh .sec-title, body.l-ko .sec-title { font-size: 26px; }
  .statement p { font-size: 26px; }
  body.l-zh .statement p, body.l-ko .statement p { font-size: 21px; }
  .tiles, .cities { grid-template-columns: 1fr; margin-top: 32px; gap: 16px; }
  .tile { aspect-ratio: 4 / 3.4; }
  .tile-text { padding: 22px 22px; }
  .tile-name { font-size: 24px; }
  body.l-zh .tile-name, body.l-ko .tile-name { font-size: 21px; }
  .tile-short { font-size: 15px; }
  .city-img { aspect-ratio: 4 / 3; }
  .cities { gap: 28px; }
  .tradmap .lbl, .tradmap .region { font-size: 21px; }
  .tradmap .lanelbl { font-size: 20px; }
  .band-inner { padding-top: 88px; padding-bottom: 88px; }
  .band h2 { font-size: 34px; }
  body.l-zh .band h2, body.l-ko .band h2 { font-size: 27px; }
  .svc-row { grid-template-columns: 1fr; gap: 28px; padding-top: 64px; }
  .svc-row.flip .svc-media { order: 0; }
  .svc-text h2 { font-size: 30px; }
  body.l-zh .svc-text h2, body.l-ko .svc-text h2 { font-size: 25px; }
  .process { margin-top: 72px; }
  .process-inner, .split, .note-inner { grid-template-columns: 1fr; gap: 24px; padding-top: 64px; padding-bottom: 64px; }
  .note blockquote { font-size: 21px; }
  body.l-zh .note blockquote, body.l-ko .note blockquote { font-size: 19px; }
  .contact div { grid-template-columns: 1fr; gap: 2px; }
  .facts th, .facts td { display: block; width: auto; }
  .facts td { border-top: 0; padding-top: 0; }
  .foot-inner { grid-template-columns: 1fr; padding-top: 56px; }
  .foot-base { flex-direction: column; }
}
@media (max-width: 380px) {
  .nav { gap: 14px; }
  .nav a, .langs a { font-size: 14px; }
}
@media (prefers-reduced-motion: reduce) {
  .tile-img { transition: none; }
  .tile:hover .tile-img { transform: none; }
}