:root {
  --navy: #0b2240;
  --navy-2: #133461;
  --blue: #2563eb;
  --ink: #111827;
  --ink-2: #4b5563;
  --ink-3: #8a94a3;
  --line: #e5e7eb;
  --soft: #f5f7fa;
  --max: 1200px;
  --header-h: 72px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); }
body {
  font-family: "Pretendard", -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
  color: var(--ink);
  background: #fff;
  line-height: 1.65;
  word-break: keep-all;
  overflow-wrap: break-word;
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
ol, ul { list-style: none; }
svg { fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 24px; }

/* ---------- header ---------- */
.header {
  position: fixed; inset: 0 0 auto; z-index: 50;
  height: var(--header-h);
  color: #fff;
  transition: background .3s, box-shadow .3s, color .3s;
}
.header.scrolled { background: rgba(255,255,255,.97); color: var(--ink); box-shadow: 0 1px 0 var(--line); }
.header-inner { height: 100%; display: flex; align-items: center; justify-content: space-between; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 800; }
.logo-mark {
  display: grid; place-items: center; width: 40px; height: 40px; border-radius: 8px;
  background: #fff; color: var(--navy); font-size: 13px; letter-spacing: .02em;
}
.header.scrolled .logo-mark { background: var(--navy); color: #fff; }
.logo-text { font-size: 15px; letter-spacing: .18em; }
.gnb { display: flex; align-items: center; gap: 36px; font-size: 15px; font-weight: 600; }
.gnb a { opacity: .9; transition: opacity .2s, color .2s; }
@media (hover: hover) {
  .gnb a:hover { opacity: 1; color: #93c5fd; }
  .header.scrolled .gnb a:hover { color: var(--blue); }
}
.gnb-cta { padding: 9px 18px; border-radius: 999px; border: 1px solid currentColor; }
.header.scrolled .gnb-cta { background: var(--navy); border-color: var(--navy); color: #fff; }
.header.scrolled .gnb-cta:hover { color: #fff; background: var(--navy-2); }
.menu-btn { display: none; }

/* ---------- hero ---------- */
.hero {
  position: relative; min-height: 100vh; min-height: 100svh;
  display: flex; align-items: center;
  color: #fff; overflow: hidden; background: var(--navy);
}
.hero {
  background:
    radial-gradient(ellipse 60% 70% at 75% 45%, rgba(37,99,235,.35), transparent 70%),
    linear-gradient(160deg, #081a33 0%, #0b2240 55%, #0f2d57 100%);
}
.hero-art { position: absolute; top: 50%; right: -4%; width: min(62vw, 860px); transform: translateY(-46%); }
.hero-art { stroke: none; }
.hero-art pattern circle { fill: rgba(147,197,253,.28); }
.hero-art .ring { fill: none; stroke: rgba(147,197,253,.18); stroke-width: 1; }
.hero-art .routes path { fill: none; stroke: #93c5fd; stroke-width: 1.6; stroke-dasharray: 4 6; animation: dash 30s linear infinite; }
.hero-art .nodes circle { fill: #bfdbfe; stroke: none; }
.hero-art .nodes .hub { fill: #fff; }
@keyframes dash { to { stroke-dashoffset: -400; } }
.hero-content { position: relative; z-index: 1; width: 100%; padding-top: var(--header-h); }
.hero-kicker { font-size: 15px; font-weight: 600; letter-spacing: .2em; text-transform: uppercase; color: #93c5fd; }
.hero h1 { font-size: clamp(40px, 6.4vw, 76px); line-height: 1.18; font-weight: 800; letter-spacing: -.03em; margin: 18px 0 22px; }
.hero-sub { font-size: clamp(17px, 1.6vw, 20px); color: rgba(255,255,255,.82); }
.hero-btns { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 40px; }
.btn { display: inline-flex; align-items: center; justify-content: center; height: 54px; padding: 0 30px; border-radius: 6px; font-weight: 700; font-size: 16px; transition: background .2s, color .2s, transform .2s; }
.btn-primary { background: var(--blue); color: #fff; }
.btn-primary:hover { background: #1d4ed8; }
.btn-ghost { border: 1px solid rgba(255,255,255,.6); color: #fff; }
.btn-ghost:hover { background: #fff; color: var(--navy); }
.scroll-hint { position: absolute; z-index: 1; left: 50%; bottom: 32px; transform: translateX(-50%); width: 26px; height: 42px; border: 2px solid rgba(255,255,255,.6); border-radius: 14px; }
.scroll-hint span { position: absolute; left: 50%; top: 8px; width: 4px; height: 8px; margin-left: -2px; border-radius: 2px; background: #fff; animation: wheel 1.8s infinite; }
@keyframes wheel { 0% { opacity: 0; transform: translateY(0); } 30% { opacity: 1; } 100% { opacity: 0; transform: translateY(12px); } }

/* ---------- numbers ---------- */
.numbers { background: var(--navy); color: #fff; }
.numbers-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.num { padding: 44px 24px; text-align: center; border-left: 1px solid rgba(255,255,255,.1); }
.num:first-child { border-left: 0; }
.num strong { display: block; font-size: clamp(32px, 3.6vw, 44px); font-weight: 800; letter-spacing: -.02em; line-height: 1.2; }
.num small { font-size: .45em; font-weight: 600; margin-left: 3px; color: #93c5fd; }
.num span { display: block; margin-top: 6px; font-size: 15px; font-weight: 600; }
.num em { display: block; font-style: normal; font-size: 13px; color: rgba(255,255,255,.55); margin-top: 2px; }

/* ---------- common section ---------- */
.section { padding: 120px 0; }
.bg-soft { background: var(--soft); }
.label { font-size: 14px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--blue); }
h2 { font-size: clamp(28px, 3.4vw, 42px); line-height: 1.3; font-weight: 800; letter-spacing: -.025em; margin-top: 12px; }
.desc { font-size: 17px; color: var(--ink-2); margin-top: 18px; }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 56px; }
h3 { font-size: 20px; font-weight: 700; letter-spacing: -.01em; }

/* ---------- about ---------- */
.about { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: start; }
.company { border-top: 2px solid var(--ink); }
.company div { display: grid; grid-template-columns: 96px 1fr; gap: 16px; padding: 14px 0; border-bottom: 1px solid var(--line); font-size: 15px; }
.company dt { color: var(--ink-3); }
.company dd { font-weight: 600; }

/* ---------- business ---------- */
.biz-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.biz-card { background: #fff; border-radius: 16px; overflow: hidden; box-shadow: 0 1px 2px rgba(0,0,0,.04); transition: transform .3s, box-shadow .3s; }
.biz-card:hover { transform: translateY(-4px); box-shadow: 0 16px 40px rgba(11,34,64,.1); }
.biz-img {
  aspect-ratio: 16 / 9; display: grid; place-items: center;
  background: radial-gradient(circle at 50% 60%, #dbe8ff 0%, #eef3fb 55%, #f7f9fc 100%);
  color: var(--navy);
}
.biz-img svg { width: 42%; height: 80%; stroke-width: 2.2; transition: transform .5s; }
.biz-img .screen { fill: rgba(37,99,235,.12); stroke: none; }
.biz-card:hover .biz-img svg { transform: translateY(-6px); }
.biz-body { padding: 32px; }
.biz-en { font-size: 13px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--blue); }
.biz-body h3 { font-size: 24px; margin: 6px 0 10px; }
.biz-body p:last-child { color: var(--ink-2); }
.channels { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; margin-top: 28px; }
.channel { display: flex; gap: 20px; align-items: flex-start; background: #fff; border-radius: 16px; padding: 28px 32px; }
.ch-icon { flex: none; display: grid; place-items: center; width: 52px; height: 52px; border-radius: 12px; background: #e8f0fe; color: var(--blue); }
.ch-icon svg { width: 26px; height: 26px; }
.channel p { color: var(--ink-2); margin-top: 4px; font-size: 15px; }

/* ---------- global ---------- */
.global {
  position: relative; color: #fff; overflow: hidden;
  background:
    radial-gradient(circle at 20% 0%, rgba(37,99,235,.35), transparent 45%),
    radial-gradient(circle at 90% 100%, rgba(37,99,235,.25), transparent 40%),
    radial-gradient(rgba(147,197,253,.16) 1.2px, transparent 1.4px) 0 0 / 18px 18px,
    #071a33;
}
.global .wrap { position: relative; }
.section-head.light .label { color: #93c5fd; }
.markets { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.market {
  display: flex; gap: 16px; align-items: center;
  padding: 24px; border-radius: 14px;
  background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.14);
  backdrop-filter: blur(6px);
}
.market.main { grid-column: 1 / -1; padding: 32px; background: rgba(37,99,235,.28); border-color: rgba(147,197,253,.5); }
.code { flex: none; display: grid; place-items: center; width: 52px; height: 52px; border-radius: 50%; border: 1px solid rgba(255,255,255,.4); font-weight: 800; letter-spacing: .04em; }
.market.main .code { width: 68px; height: 68px; font-size: 20px; background: #fff; color: var(--navy); border: 0; }
.m-tag { font-size: 13px; color: #93c5fd; font-weight: 600; }
.market h3 { font-size: 19px; }
.market.main h3 { font-size: 26px; }
.market.main p:last-child { color: rgba(255,255,255,.75); margin-top: 2px; }
.process { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 64px; border-top: 1px solid rgba(255,255,255,.2); }
.process li { padding: 28px 20px 0 0; position: relative; }
.process li::before { content: ""; position: absolute; top: -5px; left: 0; width: 9px; height: 9px; border-radius: 50%; background: #93c5fd; }
.process span { font-size: 14px; font-weight: 700; color: #93c5fd; }
.process h3 { font-size: 18px; margin: 4px 0; }
.process p { font-size: 15px; color: rgba(255,255,255,.7); }

/* ---------- why ---------- */
.why-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.why { padding: 36px 28px; border: 1px solid var(--line); border-radius: 16px; transition: border-color .3s, transform .3s; }
.why:hover { border-color: var(--blue); transform: translateY(-4px); }
.why svg { width: 40px; height: 40px; color: var(--blue); stroke-width: 1.4; }
.why h3 { margin: 24px 0 10px; }
.why p { color: var(--ink-2); font-size: 15px; }

/* ---------- contact ---------- */
.cta { background: var(--soft); padding: 110px 0; }
.cta-inner { display: grid; grid-template-columns: 1fr 1.1fr; gap: 64px; align-items: center; }
.contact-list { display: grid; gap: 12px; }
.contact-row { display: flex; gap: 18px; align-items: center; background: #fff; border-radius: 14px; padding: 22px 26px; font-size: 17px; font-weight: 600; transition: box-shadow .2s; }
a.contact-row:hover { box-shadow: 0 8px 24px rgba(11,34,64,.08); }
.contact-row small { display: block; font-size: 13px; font-weight: 500; color: var(--ink-3); }
.c-icon { flex: none; display: grid; place-items: center; width: 46px; height: 46px; border-radius: 50%; background: var(--navy); color: #fff; }
.c-icon svg { width: 22px; height: 22px; }

/* ---------- footer ---------- */
.footer { background: #0a1424; color: rgba(255,255,255,.6); padding: 56px 0 48px; font-size: 14px; }
.footer-top { display: flex; justify-content: space-between; align-items: center; gap: 24px; padding-bottom: 28px; margin-bottom: 28px; border-bottom: 1px solid rgba(255,255,255,.1); color: #fff; }
.footer-top nav { display: flex; gap: 28px; font-size: 14px; color: rgba(255,255,255,.75); }
.footer-top nav a:hover { color: #fff; }
.biz-info { display: flex; flex-wrap: wrap; gap: 6px 28px; max-width: 900px; }
.biz-info div { display: flex; gap: 8px; white-space: nowrap; }
.biz-info .addr { white-space: normal; }
.biz-info dt { color: rgba(255,255,255,.4); }
.biz-info a:hover { color: #fff; }
.copy { margin-top: 20px; font-size: 13px; color: rgba(255,255,255,.4); }
.mobile-cta { display: none; }

/* ---------- reveal ---------- */
.js-reveal .reveal { opacity: 0; transform: translateY(28px); transition: opacity .8s ease, transform .8s ease; }
.js-reveal .reveal.in { opacity: 1; transform: none; }

/* ---------- tablet ---------- */
@media (max-width: 1024px) {
  .gnb { gap: 24px; }
  .about { gap: 48px; }
  .markets, .why-grid { grid-template-columns: 1fr 1fr; }
  .process { grid-template-columns: 1fr 1fr; gap: 28px 0; }
}

/* ---------- mobile ---------- */
@media (max-width: 760px) {
  :root { --header-h: 60px; }
  .wrap { padding: 0 20px; }
  .logo-mark { width: 34px; height: 34px; font-size: 11px; }
  .logo-text { font-size: 13px; letter-spacing: .14em; }

  .menu-btn {
    display: block; position: relative; z-index: 60; width: 44px; height: 44px; margin-right: -10px;
    background: none; border: 0; color: inherit; cursor: pointer;
  }
  .menu-btn span { position: absolute; left: 11px; width: 22px; height: 2px; background: currentColor; transition: transform .3s; }
  .menu-btn span:first-child { top: 17px; }
  .menu-btn span:last-child { top: 25px; }
  .menu-open .menu-btn { color: var(--ink); }
  .menu-open .menu-btn span:first-child { transform: translateY(4px) rotate(45deg); }
  .menu-open .menu-btn span:last-child { transform: translateY(-4px) rotate(-45deg); }

  .gnb {
    position: fixed; inset: 0; z-index: 55; flex-direction: column; align-items: stretch; gap: 0;
    padding: calc(var(--header-h) + 16px) 24px 24px; background: #fff; color: var(--ink);
    font-size: 22px; font-weight: 700;
    opacity: 0; visibility: hidden; transition: opacity .25s, visibility .25s;
  }
  .gnb a { padding: 18px 0; border-bottom: 1px solid var(--line); opacity: 1; }
  .gnb-cta { margin-top: 24px; border: 0; background: var(--navy); color: #fff; text-align: center; border-radius: 10px; font-size: 18px; }
  .menu-open .gnb { opacity: 1; visibility: visible; }
  .menu-open .header { background: #fff; color: var(--ink); box-shadow: none; }
  .gnb a, .gnb a:hover, .gnb a:active { color: var(--ink); }
  .gnb .gnb-cta, .gnb .gnb-cta:hover, .gnb .gnb-cta:active { color: #fff; background: var(--navy); }
  .menu-open { overflow: hidden; }
  .menu-open .header .logo { color: var(--ink); position: relative; z-index: 60; }
  .menu-open .header .logo-mark { background: var(--navy); color: #fff; }

  .hero { align-items: flex-end; padding-bottom: 96px; }
  .hero-art { top: 70px; right: -30%; width: 130%; transform: none; opacity: .75; }
  .hero-kicker { font-size: 12px; }
  .hero-sub { font-size: 16px; }
  .pc-br { display: none; }
  .hero-btns { margin-top: 32px; }
  .hero-btns .btn { flex: 1; padding: 0 16px; height: 52px; }
  .scroll-hint { display: none; }

  .numbers-grid { grid-template-columns: 1fr 1fr; }
  .num { padding: 32px 12px; border-left: 0; }
  .num:nth-child(even) { border-left: 1px solid rgba(255,255,255,.1); }
  .num:nth-child(n+3) { border-top: 1px solid rgba(255,255,255,.1); }

  .section, .cta { padding: 80px 0; }
  .section-head { margin-bottom: 40px; text-align: left; }
  .desc { font-size: 16px; }

  .about, .biz-grid, .channels, .cta-inner { grid-template-columns: 1fr; gap: 20px; }
  .about { gap: 32px; }
  .company div { grid-template-columns: 76px 1fr; gap: 12px; }
  .biz-body { padding: 24px; }
  .biz-body h3 { font-size: 22px; }
  .channel { padding: 22px; gap: 16px; }

  .markets { grid-template-columns: 1fr 1fr; gap: 10px; }
  .market { flex-direction: column; align-items: flex-start; gap: 12px; padding: 18px; }
  .market.main { flex-direction: row; align-items: center; padding: 22px; }
  .market.main .code { width: 56px; height: 56px; font-size: 17px; }
  .code { width: 44px; height: 44px; font-size: 14px; }
  .market h3 { font-size: 17px; }
  .market.main h3 { font-size: 22px; }
  .market.main p:last-child { font-size: 14px; }
  .process { grid-template-columns: 1fr; border-top: 0; border-left: 1px solid rgba(255,255,255,.2); margin-top: 48px; gap: 24px; }
  .process li { padding: 0 0 0 24px; }
  .process li::before { top: 6px; left: -5px; }

  .why-grid { grid-template-columns: 1fr; gap: 12px; }
  .why { display: grid; grid-template-columns: 40px 1fr; column-gap: 18px; padding: 24px 22px; }
  .why svg { grid-row: span 2; width: 36px; height: 36px; }
  .why h3 { margin: 0 0 4px; font-size: 18px; }

  .cta-inner { gap: 32px; }
  .contact-row { padding: 18px 20px; font-size: 16px; }

  .footer { padding: 44px 0 calc(100px + env(safe-area-inset-bottom)); }
  .footer-top { flex-direction: column; align-items: flex-start; }
  .footer-top nav { flex-wrap: wrap; gap: 12px 20px; }
  .biz-info { flex-direction: column; gap: 8px; }
  .biz-info div { display: grid; grid-template-columns: 96px 1fr; gap: 12px; white-space: normal; }

  .mobile-cta {
    display: grid; grid-template-columns: 1fr 1fr; gap: 8px;
    position: fixed; inset: auto 0 0; z-index: 40;
    padding: 10px 16px calc(10px + env(safe-area-inset-bottom));
    background: rgba(255,255,255,.97); border-top: 1px solid var(--line);
    backdrop-filter: blur(10px);
    transform: translateY(100%); transition: transform .3s;
  }
  .header.scrolled ~ .mobile-cta { transform: none; }
  .mobile-cta a { display: grid; place-items: center; height: 50px; border-radius: 10px; font-weight: 700; background: #e8f0fe; color: var(--navy); }
  .mobile-cta a:first-child { background: var(--navy); color: #fff; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero-art .routes path, .scroll-hint span { animation: none; }
}