:root {
  --paper: #fbfbf9;
  --paper-2: #f4f3ee;
  --ink: #15171c;
  --ink-soft: #3a3d45;
  --muted: #6a6e78;
  --line: rgba(21, 23, 28, 0.12);
  --line-2: rgba(21, 23, 28, 0.22);
  --p: #6b2fb3;
  --pk: #e6186a;
  --o: #f0451f;
  --bl: #1c6fb0;
  --brand: var(--o);
  --f: "Montserrat", -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  --m: "Montserrat", -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --shadow: 0 30px 70px -36px rgba(21, 23, 28, 0.4);
}

html, body { overflow-x: clip; }
body { font-family: var(--f); color: var(--ink); background: var(--paper); }
.dd ::selection { background: var(--o); color: #fff; }
.dd .container { width: min(1240px, calc(100% - 48px)); margin: 0 auto; }
.dd h1, .dd h2, .dd h3 { font-family: var(--f); letter-spacing: -0.03em; font-weight: 800; color: var(--ink); line-height: 1.04; }
.dd em { font-style: normal; color: var(--o); }
.dd p { margin: 0; }
.dd img { max-width: 100%; }

.dd .reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.dd .reveal.in { opacity: 1; transform: none; }

.dd .klabel { display: inline-flex; align-items: center; gap: 10px; font-family: var(--m); font-size: 0.7rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: var(--o); }
.dd .klabel::before { content: ""; width: 22px; height: 2px; background: currentColor; }

.dd .shead { max-width: 660px; margin: 0 0 48px; }
.dd .shead .klabel { margin-bottom: 16px; }
.dd .shead h2 { font-size: clamp(1.9rem, 3.6vw, 3rem); margin: 0 0 14px; }
.dd .shead p { color: var(--muted); font-size: 1.05rem; line-height: 1.6; }

.dd .btn { display: inline-flex; align-items: center; gap: 9px; cursor: pointer; font-family: var(--f); font-weight: 700; font-size: 0.92rem; padding: 14px 26px; border-radius: 100px; border: 0; transition: 0.25s var(--ease); background: var(--ink); color: #fff; }
.dd .btn svg { width: 18px; height: 18px; }
.dd .btn:hover { transform: translateY(-3px); background: var(--o); }
.dd .btn.ghost { background: transparent; color: var(--ink); border: 1.5px solid var(--line-2); }
.dd .btn.ghost:hover { background: transparent; border-color: var(--o); color: var(--o); }

.dd .nav { position: sticky; top: 0; z-index: 90; background: rgba(251, 251, 249, 0.86); backdrop-filter: saturate(180%) blur(14px); border-bottom: 1px solid var(--line); }
.dd .nav-in { display: flex; align-items: center; gap: 20px; height: 72px; }
.dd .brand { display: inline-flex; align-items: center; flex: none; }
.dd .brand-logo { height: 28px; width: auto; }
.dd .nav-links { display: flex; align-items: center; gap: 28px; margin-left: auto; }
.dd .nav-links > a:not(.btn) { font-size: 0.9rem; font-weight: 600; color: var(--ink-soft); transition: color 0.2s; }
.dd .nav-links > a:not(.btn):hover { color: var(--o); }
.dd .nav-links .btn { padding: 11px 20px; }
.dd .burger { display: none; background: none; border: 0; color: var(--ink); cursor: pointer; padding: 6px; margin-left: auto; }
.dd .burger svg { width: 26px; height: 26px; }
.dd .nav-home { display: inline-flex; align-items: center; gap: 7px; padding: 8px 13px; border-radius: 100px; border: 1px solid var(--line); background: #fff; color: var(--ink); flex: none; font-size: 0.8rem; font-weight: 700; transition: 0.2s; }
.dd .nav-home:hover { border-color: var(--o); color: var(--o); }

.dd .hero { padding-top: clamp(48px, 7vw, 90px); }
.dd .hero-in { max-width: 900px; }
.dd .hero-kor { font-family: var(--m); font-size: 0.92rem; letter-spacing: 0.16em; color: var(--muted); margin-bottom: 22px; }
.dd .hero h1 { font-size: clamp(2.5rem, 6.6vw, 5.4rem); margin: 0 0 22px; }
.dd .hero-lead { font-size: clamp(1.05rem, 1.6vw, 1.25rem); color: var(--ink-soft); max-width: 620px; line-height: 1.62; }
.dd .hero-cta { display: flex; flex-wrap: wrap; gap: 13px; margin: 30px 0 0; }

.dd .ribbon { display: grid; grid-template-columns: repeat(4, 1fr); gap: 3px; margin-top: clamp(40px, 6vw, 72px); }
.dd .ribpanel { --brand: var(--o); position: relative; display: flex; flex-direction: column; min-height: 340px; padding: 26px 24px; background: var(--brand); color: #fff; overflow: hidden; transition: 0.3s var(--ease); }
.dd .ribpanel:hover { transform: translateY(-6px); }
.dd .ribpanel:first-child { border-radius: 22px 0 0 22px; }
.dd .ribpanel:last-child { border-radius: 0 22px 22px 0; }
.dd .rib-ch { font-family: var(--m); font-size: 0.72rem; letter-spacing: 0.12em; opacity: 0.85; }
.dd .rib-name { font-size: 1.5rem; font-weight: 800; letter-spacing: -0.02em; margin-top: 10px; }
.dd .rib-kor { font-family: var(--m); font-size: 0.82rem; opacity: 0.82; margin-top: 4px; }
.dd .rib-prod { margin-top: auto; background: #fff; border-radius: 14px; height: 130px; display: grid; place-items: center; padding: 12px; }
.dd .rib-prod img { max-height: 100%; width: auto; object-fit: contain; }

.dd .hero-ticker { display: flex; flex-wrap: wrap; gap: 8px 40px; margin-top: 26px; padding: 18px 0 0; border-top: 1px solid var(--line); }
.dd .hero-ticker span { font-family: var(--m); font-size: 0.8rem; color: var(--muted); display: inline-flex; align-items: baseline; gap: 8px; }
.dd .hero-ticker b { font-size: 0.95rem; font-weight: 700; color: var(--ink); }

.dd .about { padding: clamp(64px, 9vw, 116px) 0; }
.dd .about-grid { display: grid; grid-template-columns: 220px 1fr; gap: 64px; }
.dd .about-index { position: sticky; top: 100px; align-self: start; display: flex; flex-direction: column; gap: 4px; padding-left: 16px; border-left: 2px solid var(--o); }
.dd .about-index .kor { font-size: 1.6rem; font-weight: 800; }
.dd .about-index .rom { font-family: var(--m); font-size: 0.86rem; letter-spacing: 0.16em; color: var(--ink-soft); }
.dd .about-index .est { font-family: var(--m); font-size: 0.72rem; letter-spacing: 0.1em; color: var(--muted); margin-top: 8px; }
.dd .about-body h2 { font-size: clamp(1.8rem, 3.2vw, 2.7rem); margin: 14px 0 18px; }
.dd .about-body p { color: var(--ink-soft); line-height: 1.78; margin: 0 0 14px; max-width: 640px; }
.dd .deflist { margin: 30px 0 0; }
.dd .defrow { display: grid; grid-template-columns: 180px 1fr; gap: 20px; padding: 15px 0; border-top: 1px solid var(--line); }
.dd .defrow dt { font-family: var(--m); font-size: 0.74rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); margin: 0; }
.dd .defrow dd { margin: 0; font-weight: 600; color: var(--ink); }

.dd .bands { position: relative; }
.dd .rail { position: fixed; left: 26px; top: 50%; transform: translateY(-50%); z-index: 60; display: none; flex-direction: column; gap: 6px; }
.dd .rail-dot { --brand: var(--o); display: flex; align-items: center; gap: 12px; padding: 7px 8px; border-radius: 100px; }
.dd .rail-dot::before { content: ""; width: 11px; height: 11px; border-radius: 50%; border: 2px solid var(--line-2); background: transparent; transition: 0.25s var(--ease); flex: none; }
.dd .rail-ch { font-family: var(--m); font-size: 0.66rem; color: var(--muted); transition: 0.25s; }
.dd .rail-name { font-family: var(--m); font-size: 0.72rem; font-weight: 700; color: var(--ink); max-width: 0; overflow: hidden; white-space: nowrap; opacity: 0; transition: 0.3s var(--ease); }
.dd .rail-dot:hover .rail-name, .dd .rail-dot.is-active .rail-name { max-width: 120px; opacity: 1; }
.dd .rail-dot.is-active::before { background: var(--brand); border-color: var(--brand); box-shadow: 0 0 0 4px color-mix(in srgb, var(--brand) 20%, transparent); }
.dd .rail-dot.is-active .rail-ch { color: var(--brand); }
.dd .rail-dot.is-active .rail-name { color: var(--brand); }

.dd .band { --brand: var(--o); position: relative; padding: clamp(64px, 9vw, 120px) 0; background: color-mix(in srgb, var(--brand) 7%, var(--paper)); border-top: 1px solid color-mix(in srgb, var(--brand) 22%, var(--line)); }
.dd .band-stripe { position: absolute; top: 0; left: 0; right: 0; height: 4px; background: var(--brand); }
.dd .band-grid { display: grid; grid-template-columns: 1.02fr 0.98fr; gap: clamp(40px, 5vw, 72px); align-items: center; }
.dd .band.flip .band-media { order: -1; }
.dd .band-ch { font-family: var(--m); font-size: 0.76rem; font-weight: 700; letter-spacing: 0.1em; color: var(--brand); }
.dd .band-name { font-size: clamp(2.4rem, 5vw, 4rem); color: var(--brand); margin: 14px 0 8px; }
.dd .band-tag { display: inline-block; font-weight: 700; font-size: 1.02rem; color: var(--ink); margin-bottom: 16px; }
.dd .band-desc { color: var(--ink-soft); line-height: 1.74; max-width: 480px; }
.dd .band-prodlist { margin-top: 22px; padding-top: 16px; border-top: 1px solid color-mix(in srgb, var(--brand) 28%, var(--line)); }
.dd .band-prodlist small { display: block; font-family: var(--m); font-size: 0.68rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--brand); margin-bottom: 6px; }
.dd .band-prodlist span { font-size: 0.92rem; color: var(--ink); line-height: 1.6; }
.dd .band-media { display: flex; justify-content: center; }
.dd .band-prodpanel { width: 100%; max-width: 460px; aspect-ratio: 4 / 5; border-radius: 24px; background: color-mix(in srgb, var(--brand) 13%, #fff); display: grid; place-items: center; padding: 36px; box-shadow: var(--shadow); }
.dd .band-prodpanel img { width: 100%; height: 100%; object-fit: contain; mix-blend-mode: multiply; }

.dd .icl-proof { margin-top: 28px; background: var(--ink); border-radius: 18px; padding: 24px 26px; color: #fff; }
.dd .icl-proof-k { font-family: var(--m); font-size: 0.7rem; letter-spacing: 0.12em; text-transform: uppercase; color: color-mix(in srgb, var(--brand) 50%, #fff); }
.dd .icl-table { display: grid; grid-template-columns: 1fr 1fr; gap: 20px 28px; margin-top: 16px; }
.dd .icl-cell strong { display: block; font-size: clamp(1.5rem, 2.4vw, 2rem); font-weight: 800; letter-spacing: -0.02em; color: #fff; line-height: 1; }
.dd .icl-cell span { font-family: var(--m); font-size: 0.74rem; color: rgba(255, 255, 255, 0.66); }

.dd .group { padding: clamp(64px, 9vw, 116px) 0; background: var(--paper-2); }
.dd .org { display: flex; flex-direction: column; align-items: center; }
.dd .org-parent { display: inline-flex; flex-direction: column; align-items: center; gap: 4px; padding: 18px 34px; border: 1.6px solid var(--ink); border-radius: 16px; background: #fff; }
.dd .org-parent .org-tag { font-family: var(--m); font-size: 0.66rem; letter-spacing: 0.16em; color: var(--muted); }
.dd .org-parent b { font-size: 1.25rem; }
.dd .org-stem { width: 2px; height: 40px; background: var(--line-2); }
.dd .org-children { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; width: 100%; position: relative; padding-top: 42px; }
.dd .org-children::before { content: ""; position: absolute; top: 0; left: 12.5%; right: 12.5%; height: 2px; background: var(--line-2); }
.dd .org-node { position: relative; background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 22px 20px; }
.dd .org-node::before { content: ""; position: absolute; top: -42px; left: 50%; width: 2px; height: 42px; background: var(--line-2); }
.dd .org-node .org-no { font-family: var(--m); font-size: 1.2rem; font-weight: 700; }
.dd .org-children .org-node:nth-child(1) .org-no { color: var(--p); }
.dd .org-children .org-node:nth-child(2) .org-no { color: var(--pk); }
.dd .org-children .org-node:nth-child(3) .org-no { color: var(--o); }
.dd .org-children .org-node:nth-child(4) .org-no { color: var(--bl); }
.dd .org-node b { display: block; font-size: 1.06rem; margin: 8px 0 6px; }
.dd .org-node .org-role { font-size: 0.85rem; color: var(--muted); line-height: 1.5; }

.dd .awards { padding: clamp(58px, 8vw, 96px) 0 0; }
.dd .awards-head { margin-bottom: 36px; }
.dd .awards-head .klabel { margin-bottom: 14px; }
.dd .awards-head h2 { font-size: clamp(1.7rem, 3vw, 2.5rem); }
.dd .marquee { overflow: hidden; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 22px 0; }
.dd .marquee-track { display: inline-flex; align-items: center; white-space: nowrap; animation: dd-marq 32s linear infinite; }
.dd .marquee:hover .marquee-track { animation-play-state: paused; }
.dd .mq-item { font-family: var(--m); font-size: 0.92rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em; color: var(--ink); padding: 0 4px; }
.dd .mq-sep { color: var(--o); margin: 0 22px; font-size: 0.8rem; }
@keyframes dd-marq { from { transform: translateX(0); } to { transform: translateX(-50%); } }

.dd .docs { padding: clamp(58px, 8vw, 100px) 0; }
.dd .doc-list { border-top: 1px solid var(--line); }
.dd .doc-row { display: grid; grid-template-columns: auto 1fr auto auto; align-items: center; gap: 22px; padding: 24px 8px; border-bottom: 1px solid var(--line); transition: 0.25s var(--ease); }
.dd .doc-row:hover { padding-left: 18px; background: var(--paper-2); }
.dd .doc-no { font-family: var(--m); font-size: 0.84rem; color: var(--muted); }
.dd .doc-label { font-size: 1.08rem; font-weight: 700; }
.dd .doc-meta { font-family: var(--m); font-size: 0.72rem; letter-spacing: 0.06em; color: var(--muted); }
.dd .doc-arr { width: 22px; height: 22px; color: var(--ink); transition: 0.25s var(--ease); }
.dd .doc-row:hover .doc-arr { color: var(--o); transform: translateX(5px); }

.dd .close { padding: clamp(58px, 8vw, 100px) 0; }
.dd .close-card { position: relative; background: var(--ink); color: #fff; border-radius: 26px; padding: clamp(40px, 5vw, 70px) clamp(28px, 5vw, 64px); text-align: center; overflow: hidden; }
.dd .close-spectrum { position: absolute; top: 0; left: 0; right: 0; height: 6px; display: flex; }
.dd .close-spectrum i { flex: 1; }
.dd .close-card .klabel { justify-content: center; margin-bottom: 16px; color: rgba(255, 255, 255, 0.8); }
.dd .close-card h2 { color: #fff; font-size: clamp(1.7rem, 3vw, 2.5rem); margin: 0 0 14px; }
.dd .close-card p { color: rgba(255, 255, 255, 0.82); max-width: 600px; margin: 0 auto 28px; line-height: 1.66; }
.dd .close-card .btn { background: var(--o); }
.dd .close-card .btn:hover { background: #fff; color: var(--ink); }
.dd .foot { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; margin-top: 32px; padding-top: 22px; border-top: 1px solid var(--line); color: var(--muted); font-family: var(--m); font-size: 0.78rem; }

@media (min-width: 1760px) { .dd .rail { display: flex; } }
@media (max-width: 980px) {
  .dd .nav-links { position: fixed; inset: 72px 0 auto 0; flex-direction: column; align-items: stretch; gap: 0; background: var(--paper); border-bottom: 1px solid var(--line); padding: 12px 24px 24px; margin-left: 0; transform: translateY(-130%); transition: transform 0.35s var(--ease); box-shadow: var(--shadow); }
  body.menu-open .dd .nav-links { transform: translateY(0); }
  .dd .nav-links > a { padding: 14px 4px; border-bottom: 1px solid var(--line); }
  .dd .nav-links .btn { margin-top: 12px; justify-content: center; }
  .dd .burger { display: inline-flex; }
  .dd .nav-home .lbl { display: none; }
  .dd .about-grid { grid-template-columns: 1fr; gap: 30px; }
  .dd .about-index { position: static; flex-direction: row; align-items: baseline; gap: 14px; border-left: 0; border-top: 2px solid var(--o); padding: 14px 0 0; }
  .dd .about-index .est { margin-top: 0; margin-left: auto; }
  .dd .band-grid { grid-template-columns: 1fr; gap: 36px; }
  .dd .band.flip .band-media { order: 0; }
  .dd .band-media { order: -1; }
}
@media (max-width: 620px) {
  .dd .container { width: calc(100% - 34px); }
  .dd .ribbon { grid-template-columns: 1fr 1fr; gap: 3px; }
  .dd .ribpanel:first-child { border-radius: 22px 0 0 0; }
  .dd .ribpanel:nth-child(2) { border-radius: 0 22px 0 0; }
  .dd .ribpanel:nth-child(3) { border-radius: 0 0 0 22px; }
  .dd .ribpanel:last-child { border-radius: 0 0 22px 0; }
  .dd .ribpanel { min-height: 280px; }
  .dd .defrow { grid-template-columns: 1fr; gap: 4px; }
  .dd .icl-table { grid-template-columns: 1fr 1fr; gap: 16px; }
  .dd .org-children { grid-template-columns: 1fr 1fr; }
  .dd .org-children::before { display: none; }
  .dd .org-node::before { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  .dd .marquee-track { animation: none; }
}