:root {
  --red: #e62329;
  --red-dark: #b8151b;
  --red-soft: #fdecec;
  --ink: #14151a;
  --ink-2: #4a4d57;
  --ink-3: #8a8d99;
  --bg: #ffffff;
  --bg-soft: #f6f6f8;
  --line: #e8e8ee;
  --radius: 16px;
  --shadow: 0 1px 2px rgba(20,21,26,.04), 0 8px 24px rgba(20,21,26,.06);
  --shadow-lg: 0 12px 40px rgba(20,21,26,.14);
  --font: "Inter", "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font); color: var(--ink); background: var(--bg); line-height: 1.6; -webkit-font-smoothing: antialiased; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
.container { width: min(1180px, 92%); margin: 0 auto; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.85); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 21px; letter-spacing: -.02em; }
.logo-mark {
  width: 38px; height: 38px; border-radius: 10px; background: var(--red); color: #fff;
  display: grid; place-items: center; font-size: 20px; font-weight: 800;
  box-shadow: 0 4px 12px rgba(230,35,41,.35);
}
.logo-sub { color: var(--red); font-size: 12px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; }
.main-nav { display: flex; align-items: center; gap: 4px; }
.main-nav a {
  padding: 9px 15px; border-radius: 9px; font-size: 15px; font-weight: 600; color: var(--ink-2);
  transition: background .15s, color .15s;
}
.main-nav a:hover { background: var(--bg-soft); color: var(--ink); }
.main-nav a.active { color: var(--red); background: var(--red-soft); }
.nav-cta {
  background: var(--red); color: #fff !important; padding: 10px 18px !important; border-radius: 10px !important;
  box-shadow: 0 4px 12px rgba(230,35,41,.3);
}
.nav-cta:hover { background: var(--red-dark) !important; }
.header-right { display: flex; align-items: center; gap: 14px; }
.lang-switch { display: flex; gap: 2px; background: var(--bg-soft); border: 1px solid var(--line); border-radius: 10px; padding: 3px; }
.lang-opt {
  font-size: 12px; font-weight: 700; letter-spacing: .04em; color: var(--ink-3);
  padding: 6px 10px; border-radius: 8px; transition: all .15s; white-space: nowrap;
}
.lang-opt:hover { color: var(--ink); }
.lang-opt.active { background: #fff; color: var(--ink); box-shadow: var(--shadow); }
.burger { display: none; width: 42px; height: 42px; border: 1px solid var(--line); background: #fff; border-radius: 10px; cursor: pointer; place-items: center; }
.burger span, .burger span::before, .burger span::after {
  content: ""; display: block; width: 18px; height: 2px; background: var(--ink); border-radius: 2px; position: relative;
}
.burger span::before { position: absolute; top: -6px; }
.burger span::after { position: absolute; top: 6px; }

/* ---------- Hero ---------- */
.hero { position: relative; overflow: hidden; background: #fbfbfd; }
.hero::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(720px 340px at 88% 8%, rgba(230,35,41,.055), transparent 70%),
    radial-gradient(560px 320px at 4% 96%, rgba(20,21,26,.04), transparent 70%);
}
.hero-inner { position: relative; display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; padding: 76px 0 64px; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 700; letter-spacing: .08em;
  text-transform: uppercase; color: var(--red); background: #fff; border: 1px solid rgba(230,35,41,.25);
  padding: 7px 14px; border-radius: 99px; box-shadow: var(--shadow); margin-bottom: 22px;
}
.eyebrow::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--red); }
.hero h1 { font-size: clamp(34px, 4.4vw, 52px); line-height: 1.08; letter-spacing: -.035em; font-weight: 800; margin-bottom: 20px; }
.hero h1 em { font-style: normal; color: var(--red); }
.hero p.lead { font-size: 17.5px; color: var(--ink-2); max-width: 56ch; margin-bottom: 32px; line-height: 1.65; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 40px; }
.btn {
  display: inline-flex; align-items: center; gap: 9px; font-weight: 700; font-size: 15.5px;
  padding: 14px 26px; border-radius: 12px; border: 1px solid transparent; cursor: pointer;
  transition: transform .12s, box-shadow .12s, background .15s;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--red); color: #fff; box-shadow: 0 8px 20px rgba(230,35,41,.32); }
.btn-primary:hover { background: var(--red-dark); }
.btn-ghost { background: #fff; color: var(--ink); border-color: var(--line); box-shadow: var(--shadow); }
.btn-ghost:hover { border-color: #cfcfd6; }
.hero-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.stat { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 18px 16px 16px; }
.stat b { display: block; font-size: 28px; font-weight: 800; letter-spacing: -.03em; color: var(--ink); line-height: 1.1; }
.stat span { font-size: 11.5px; color: var(--ink-3); font-weight: 700; text-transform: uppercase; letter-spacing: .09em; }
.hero-visual { position: relative; }
.hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.hero-grid figure { border-radius: 18px; overflow: hidden; box-shadow: 0 16px 40px rgba(20,21,26,.12); aspect-ratio: 4/5; position: relative; border: 1px solid rgba(20,21,26,.05); }
.hero-grid figure:nth-child(2) { transform: translateY(28px); }
.hero-grid img { width: 100%; height: 100%; object-fit: cover; }
.hero-badge {
  position: absolute; left: 22px; bottom: -22px; background: #fff; border: 1px solid var(--line); border-radius: 14px; box-shadow: var(--shadow-lg);
  padding: 14px 20px; display: flex; align-items: center; gap: 14px; z-index: 2;
}
.hero-badge .dot { width: 10px; height: 10px; border-radius: 50%; background: #22c55e; box-shadow: 0 0 0 4px rgba(34,197,94,.18); }
.hero-badge b { display: block; font-size: 14px; }
.hero-badge span { font-size: 12px; color: var(--ink-3); }

/* ---------- Sections ---------- */
section.block { padding: 84px 0; }
section.block.soft { background: var(--bg-soft); }
.sec-head { max-width: 640px; margin: 0 auto 48px; text-align: center; }
.sec-head .kicker { font-size: 13px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; color: var(--red); margin-bottom: 10px; }
.sec-head h2 { font-size: clamp(26px, 3.2vw, 38px); letter-spacing: -.03em; font-weight: 800; margin-bottom: 12px; line-height: 1.15; }
.sec-head p { color: var(--ink-2); font-size: 16.5px; line-height: 1.65; }

/* ---------- Channel grid ---------- */
.ch-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 18px; }
.ch-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow); transition: transform .16s, box-shadow .16s, border-color .16s; display: block;
}
.ch-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: rgba(230,35,41,.35); }
.ch-thumb { aspect-ratio: 1; overflow: hidden; background: var(--bg-soft); position: relative; }
.ch-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s; }
.ch-card:hover .ch-thumb img { transform: scale(1.05); }
.ch-body { padding: 13px 15px 15px; }
.ch-body h3 { font-size: 15.5px; font-weight: 700; margin-bottom: 5px; }
.ch-tags { display: flex; gap: 6px; flex-wrap: wrap; }
.ch-tag { font-size: 11px; font-weight: 700; color: var(--ink-2); background: var(--bg-soft); border-radius: 99px; padding: 3px 9px; }
.ch-card:hover .ch-tag { background: var(--red-soft); color: var(--red); }
.ch-count { font-size: 13px; color: var(--ink-3); font-weight: 600; margin-top: 8px; }

/* filters */
.filters { display: flex; flex-wrap: wrap; gap: 9px; justify-content: center; margin-bottom: 40px; }
.filter-btn {
  border: 1px solid var(--line); background: #fff; color: var(--ink-2); font-weight: 600; font-size: 14px;
  padding: 8px 16px; border-radius: 99px; cursor: pointer; transition: all .15s; font-family: var(--font);
}
.filter-btn:hover { border-color: #c9c9d2; }
.filter-btn.active { background: var(--ink); border-color: var(--ink); color: #fff; }

/* ---------- Feature strip (home) ---------- */
.feat-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.feat-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow);
  transition: transform .16s, box-shadow .16s;
}
.feat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.feat-icon {
  width: 52px; height: 52px; border-radius: 14px; background: var(--ink); color: #fff;
  display: grid; place-items: center; margin-bottom: 20px;
}
.feat-icon svg { width: 24px; height: 24px; }
.feat-card h3 { font-size: 18px; font-weight: 800; margin-bottom: 8px; letter-spacing: -.015em; }
.feat-card p { font-size: 14.5px; color: var(--ink-2); line-height: 1.65; }

/* ---------- Partners ---------- */
.partner-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 16px; }
.partner-tile {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); height: 172px;
  display: grid; place-items: center; padding: 24px; box-shadow: var(--shadow);
  transition: transform .15s, box-shadow .15s;
}
.partner-tile:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: rgba(230,35,41,.3); }
.partner-tile img { max-width: 100%; max-height: 96px; object-fit: contain; }
.partner-name { margin-top: 8px; font-size: 12.5px; font-weight: 700; color: var(--ink-3); text-align: center; }
.partner-tile .inner { display: flex; flex-direction: column; align-items: center; justify-content: center; width: 100%; }

/* ---------- CTA band ---------- */
.cta-band { background: linear-gradient(120deg, var(--red) 0%, #ff5a5f 100%); border-radius: 22px; color: #fff; padding: 54px 56px; display: flex; align-items: center; justify-content: space-between; gap: 28px; box-shadow: 0 20px 50px rgba(230,35,41,.3); }
.cta-band h2 { font-size: clamp(22px, 2.6vw, 32px); font-weight: 800; letter-spacing: -.02em; margin-bottom: 8px; }
.cta-band p { font-size: 16px; opacity: .92; max-width: 46ch; }
.cta-band .btn { background: #fff; color: var(--red); box-shadow: 0 10px 24px rgba(0,0,0,.18); white-space: nowrap; }
.cta-band .btn:hover { background: #fff5f5; }

/* ---------- Page hero (subpages) ---------- */
.page-hero { background: #fbfbfd; border-bottom: 1px solid var(--line); }
.page-hero-inner { padding: 64px 0 58px; text-align: center; }
.page-hero .eyebrow { margin-bottom: 18px; }
.page-hero h1 { font-size: clamp(30px, 4vw, 46px); font-weight: 800; letter-spacing: -.03em; margin-bottom: 14px; }
.page-hero p { font-size: 17px; color: var(--ink-2); max-width: 62ch; margin: 0 auto; }

/* ---------- Join page ---------- */
.join-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.join-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 30px 26px; box-shadow: var(--shadow); }
.join-num { font-size: 13px; font-weight: 800; color: var(--red); letter-spacing: .1em; margin-bottom: 12px; }
.join-card h3 { font-size: 18px; font-weight: 800; margin-bottom: 10px; }
.join-card p { font-size: 14.5px; color: var(--ink-2); }
.pill-list { list-style: none; margin-top: 18px; display: grid; gap: 10px; }
.pill-list li { display: flex; gap: 11px; align-items: flex-start; font-size: 14.5px; color: var(--ink-2); }
.pill-list li::before { content: "✓"; color: var(--red); font-weight: 800; flex: 0 0 auto; }

/* ---------- Careers ---------- */
.careers-wrap { max-width: 860px; margin: 0 auto; }
.job-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); margin-bottom: 22px; overflow: hidden; }
.job-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 22px 26px; border-bottom: 1px solid var(--line); }
.job-head h3 { font-size: 18px; font-weight: 800; }
.job-meta { display: flex; gap: 8px; }
.job-body { padding: 22px 26px 26px; }
.job-body ul { list-style: none; display: grid; gap: 9px; }
.job-body li { font-size: 14.5px; color: var(--ink-2); padding-left: 22px; position: relative; }
.job-body li::before { content: "→"; position: absolute; left: 0; color: var(--red); font-weight: 700; }
/* join form lists: no arrow bullets */
.job-body ul.form-list li { padding-left: 0; }
.job-body ul.form-list li::before { content: none; }
.job-body .sub { font-size: 13px; font-weight: 800; text-transform: uppercase; letter-spacing: .08em; color: var(--ink-3); margin: 18px 0 10px; }
.job-body .sub:first-child { margin-top: 0; }
.step-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 40px; }
.step { text-align: center; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 20px; box-shadow: var(--shadow); }
.step b { display: inline-grid; place-items: center; width: 40px; height: 40px; border-radius: 50%; background: var(--red-soft); color: var(--red); font-size: 16px; margin-bottom: 14px; }
.step h4 { font-size: 15.5px; font-weight: 800; margin-bottom: 6px; }
.step p { font-size: 13.5px; color: var(--ink-2); }

/* ---------- Channel detail ---------- */
.ch-detail-hero { display: grid; grid-template-columns: 320px 1fr; gap: 44px; align-items: start; padding: 60px 0 48px; }
.ch-avatar { width: 100%; aspect-ratio: 1; object-fit: cover; border-radius: 24px; box-shadow: var(--shadow-lg); }
.ch-detail-info h1 { font-size: clamp(28px, 3.4vw, 40px); font-weight: 800; letter-spacing: -.02em; margin-bottom: 10px; }
.ch-detail-info .desc { font-size: 16.5px; color: var(--ink-2); max-width: 60ch; margin-bottom: 22px; }
.ch-socials { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 26px; }
.soc-btn {
  display: inline-flex; align-items: center; gap: 9px; font-weight: 700; font-size: 14.5px;
  background: #fff; border: 1px solid var(--line); padding: 11px 18px; border-radius: 11px; box-shadow: var(--shadow);
  transition: all .15s;
}
.soc-btn:hover { border-color: var(--red); color: var(--red); transform: translateY(-2px); }
.soc-ico { width: 22px; height: 22px; display: grid; place-items: center; }
.soc-ico svg { width: 18px; height: 18px; }
.ch-stats-row { display: flex; gap: 14px; flex-wrap: wrap; }
.ch-stat { background: var(--bg-soft); border: 1px solid var(--line); border-radius: 12px; padding: 12px 18px; }
.ch-stat b { display: block; font-size: 20px; font-weight: 800; }
.ch-stat span { font-size: 12px; color: var(--ink-3); font-weight: 600; }
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.service-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow); }
.service-card h3 { font-size: 17px; font-weight: 800; margin-bottom: 14px; display: flex; align-items: center; gap: 10px; }
.service-card ul { list-style: none; display: grid; gap: 9px; }
.service-card li { font-size: 14px; color: var(--ink-2); padding-left: 20px; position: relative; }
.service-card li::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--red); position: absolute; left: 0; top: .55em; }

/* ---------- Footer ---------- */
.site-footer { background: #101116; color: #b9bcc7; padding: 58px 0 0; margin-top: 40px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 44px; }
.footer-brand .logo { color: #fff; margin-bottom: 14px; }
.footer-brand p { font-size: 14px; max-width: 34ch; }
.site-footer h4 { color: #fff; font-size: 14px; font-weight: 800; text-transform: uppercase; letter-spacing: .1em; margin-bottom: 16px; }
.site-footer ul { list-style: none; display: grid; gap: 10px; }
.site-footer ul a { font-size: 14.5px; transition: color .15s; }
.site-footer ul a:hover { color: #fff; }
.footer-socials { display: flex; gap: 10px; }
.footer-socials a {
  width: 40px; height: 40px; border-radius: 11px; background: rgba(255,255,255,.07); display: grid; place-items: center;
  transition: background .15s;
}
.footer-socials a:hover { background: var(--red); }
.footer-socials svg { width: 18px; height: 18px; fill: #d6d8e0; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); padding: 20px 0; display: flex; justify-content: space-between; gap: 12px; font-size: 13px; color: #7d8090; flex-wrap: wrap; }

/* toast */
.toast {
  position: fixed; bottom: 28px; left: 50%; transform: translateX(-50%) translateY(20px);
  background: #14151a; color: #fff; padding: 13px 22px; border-radius: 12px; font-size: 14.5px; font-weight: 600;
  box-shadow: var(--shadow-lg); opacity: 0; pointer-events: none; transition: all .25s; z-index: 999;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; padding: 54px 0; }
  .hero-visual { max-width: 480px; }
  .ch-detail-hero { grid-template-columns: 1fr; gap: 28px; }
  .ch-avatar { max-width: 260px; }
  .feat-row, .join-grid, .services-grid, .step-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .cta-band { flex-direction: column; text-align: center; padding: 40px 30px; }
}
@media (max-width: 720px) {
  .main-nav {
    position: fixed; inset: 68px 0 auto 0; background: #fff; flex-direction: column; align-items: stretch;
    padding: 16px 5vw 22px; gap: 6px; border-bottom: 1px solid var(--line); box-shadow: var(--shadow-lg);
    transform: translateY(-130%); transition: transform .25s; z-index: 99;
  }
  .main-nav.open { transform: translateY(0); }
  .main-nav a { padding: 13px 14px; }
  .burger { display: grid; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .hero-grid figure:nth-child(2) { transform: none; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  section.block { padding: 60px 0; }
}

/* Korean typography tweaks */
body.lang-ko { font-family: "Noto Sans KR", var(--font); }
body.lang-ko .logo, body.lang-ko .sec-head h2, body.lang-ko .hero h1 { letter-spacing: -.02em; }