:root {
  --ink: #0E0E0E;
  --ink-2: #1A1A1A;
  --paper: #FFFFFF;
  --paper-2: #F4F2EE;
  --line: #E5E1DA;
  --line-dark: rgba(255,255,255,.16);
  --mute: #6B6B6B;
  --mute-2: #9A958C;
  --accent: #6B1923;
  --accent-soft: #8C2630;
  --font: 'Pretendard Variable', Pretendard, -apple-system, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
  font-feature-settings: "ss01", "ss02";
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

/* ============ TOPBAR ============ */
.topbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  transition: background .35s ease;
}
.topbar.scrolled {
  background: rgba(14,14,14,.92);
  backdrop-filter: blur(14px);
}
.topbar-inner {
  max-width: 1480px;
  margin: 0 auto;
  padding: 22px 56px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: rgba(255,255,255,.86);
  font-size: 13px;
  font-weight: 400;
  letter-spacing: -.01em;
}
.topbar .left { display: flex; align-items: center; gap: 32px; }
.topbar .right { display: flex; align-items: center; gap: 24px; }

.logo {
  display: flex; align-items: baseline; gap: 10px;
  color: #fff;
  font-weight: 600;
  font-size: 20px;
  letter-spacing: -.02em;
}
.logo .mark {
  width: 8px; height: 8px;
  background: var(--accent);
  border-radius: 50%;
  transform: translateY(-3px);
}
.logo .en {
  font-size: 11px;
  font-weight: 500;
  color: rgba(255,255,255,.5);
  letter-spacing: .3em;
  margin-left: 4px;
}

.nav { display: flex; gap: 36px; }
.nav a {
  color: rgba(255,255,255,.85);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: -.01em;
  padding: 6px 0;
  position: relative;
  transition: color .25s;
}
.nav a::after {
  content: '';
  position: absolute;
  left: 0; bottom: -2px;
  width: 0; height: 1px;
  background: var(--accent);
  transition: width .35s ease;
}
.nav a:hover { color: #fff; }
.nav a:hover::after { width: 100%; }

.topbar .lang {
  display: flex; gap: 8px;
  padding-right: 20px;
  border-right: 1px solid rgba(255,255,255,.18);
  font-size: 12px;
  letter-spacing: .04em;
}
.topbar .lang a { color: rgba(255,255,255,.5); transition: color .2s; }
.topbar .lang a.on { color: #fff; font-weight: 500; }
.topbar .lang a:hover { color: #fff; }

.util { font-size: 13px; color: rgba(255,255,255,.7); transition: color .2s; }
.util:hover { color: #fff; }

.icon-btn {
  width: 32px; height: 32px;
  display: grid; place-items: center;
  color: rgba(255,255,255,.85);
  cursor: pointer;
}
.icon-btn svg { width: 18px; height: 18px; }

/* ============ HERO ============ */
.hero {
  position: relative;
  height: 100vh;
  min-height: 720px;
  color: #fff;
  overflow: hidden;
  background: #0A0A0A;
}
.hero-bg {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(180deg,
      rgba(10,10,10,.55) 0%,
      rgba(10,10,10,.35) 30%,
      rgba(10,10,10,.6) 70%,
      rgba(10,10,10,.92) 100%),
    url('https://images.unsplash.com/photo-1507842217343-583bb7270b66?q=80&w=2000&auto=format&fit=crop');
  background-size: cover;
  background-position: center;
  transform: scale(1.04);
  animation: heroZoom 18s ease-out forwards;
}
@keyframes heroZoom {
  from { transform: scale(1.12); }
  to { transform: scale(1); }
}

.hero-grain {
  position: absolute; inset: 0;
  pointer-events: none;
  opacity: .35;
  mix-blend-mode: overlay;
  background-image:
    repeating-radial-gradient(circle at 30% 40%, transparent 0, transparent 2px, rgba(255,255,255,.02) 3px),
    repeating-radial-gradient(circle at 70% 60%, transparent 0, transparent 2px, rgba(0,0,0,.04) 3px);
}

.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 1480px;
  margin: 0 auto;
  padding: 0 56px;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .35em;
  color: rgba(255,255,255,.78);
  margin-bottom: 32px;
  text-transform: uppercase;
  opacity: 0;
  animation: fadeUp 1s .3s forwards;
}
.hero-eyebrow::before {
  content: '';
  width: 36px; height: 1px;
  background: var(--accent);
}

.hero-title {
  font-weight: 200;
  font-size: clamp(46px, 6.4vw, 96px);
  line-height: 1.12;
  letter-spacing: -.035em;
  margin-bottom: 36px;
  max-width: 1100px;
  opacity: 0;
  animation: fadeUp 1.1s .5s forwards;
}
.hero-title .accent {
  color: #fff;
  position: relative;
  display: inline-block;
}
.hero-title .accent::after {
  content: '';
  position: absolute;
  left: 0; bottom: 8px;
  width: 100%; height: 1px;
  background: var(--accent);
}
.hero-title strong { font-weight: 500; }
.hero-title .br { display: block; }

.hero-sub {
  font-size: 17px;
  line-height: 1.85;
  color: rgba(255,255,255,.72);
  max-width: 520px;
  font-weight: 300;
  letter-spacing: -.005em;
  opacity: 0;
  animation: fadeUp 1.1s .75s forwards;
}

.hero-bottom {
  position: absolute;
  bottom: 48px; left: 56px; right: 56px;
  z-index: 3;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
}
.scroll-hint {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  font-size: 11px;
  letter-spacing: .3em;
  color: rgba(255,255,255,.5);
}
.scroll-line {
  width: 1px; height: 50px;
  background: rgba(255,255,255,.2);
  position: relative;
  overflow: hidden;
}
.scroll-line::after {
  content: '';
  position: absolute;
  top: -25px; left: 0;
  width: 1px; height: 25px;
  background: var(--accent);
  animation: scrollPulse 2.4s ease-in-out infinite;
}
@keyframes scrollPulse {
  0% { transform: translateY(0); }
  100% { transform: translateY(75px); }
}

.hero-meta {
  display: flex;
  gap: 56px;
  align-items: flex-end;
}
.hero-meta-item { color: rgba(255,255,255,.85); }
.hero-meta-num {
  font-size: 36px;
  font-weight: 300;
  line-height: 1;
  letter-spacing: -.04em;
}
.hero-meta-num sup {
  color: var(--accent-soft);
  font-size: 14px;
  margin-left: 2px;
  vertical-align: top;
  font-weight: 500;
}
.hero-meta-label {
  font-size: 12px;
  color: rgba(255,255,255,.55);
  letter-spacing: .04em;
  margin-top: 10px;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ============ FEATURE BAND ============ */
.feature {
  background: var(--ink);
  color: #fff;
  padding: 100px 56px;
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.feature-inner {
  max-width: 1480px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 100px;
  align-items: center;
}
.feature-tag {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .25em;
  color: var(--accent-soft);
  margin-bottom: 28px;
}
.feature-tag::before {
  content: '';
  width: 24px; height: 1px;
  background: var(--accent);
}
.feature-title {
  font-size: clamp(32px, 3.4vw, 48px);
  font-weight: 300;
  line-height: 1.25;
  letter-spacing: -.025em;
}
.feature-title strong { font-weight: 500; }
.feature-desc {
  font-size: 16px;
  line-height: 1.95;
  color: rgba(255,255,255,.7);
  font-weight: 300;
  margin-bottom: 32px;
  letter-spacing: -.005em;
}
.feature-cta {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: .12em;
  color: #fff;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255,255,255,.4);
  transition: gap .3s, border-color .3s, color .3s;
}
.feature-cta:hover { gap: 22px; color: var(--accent-soft); border-color: var(--accent); }
.feature-cta::after { content: '→'; font-size: 16px; }

/* ============ SECTION ============ */
.section {
  padding: 130px 56px 100px;
  max-width: 1480px;
  margin: 0 auto;
}
.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 64px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--line);
}
.section-head .heading {
  display: flex;
  align-items: baseline;
  gap: 20px;
}
.section-num {
  font-size: 13px;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: .05em;
}
.section-title {
  font-size: 40px;
  font-weight: 300;
  letter-spacing: -.03em;
  line-height: 1;
}
.section-title strong { font-weight: 500; }
.section-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: .12em;
  color: var(--ink);
  padding-bottom: 4px;
  border-bottom: 1px solid var(--ink);
  transition: color .25s, border-color .25s, gap .3s;
}
.section-link:hover { color: var(--accent); border-color: var(--accent); gap: 18px; }
.section-link::after { content: '→'; font-size: 14px; }

/* ============ INSIGHTS ============ */
.insights {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
}
.insight {
  padding: 36px 32px 38px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  cursor: pointer;
  transition: background .3s ease;
  display: flex;
  flex-direction: column;
  min-height: 320px;
}
.insight:nth-child(4n) { border-right: none; }
.insight:hover { background: var(--paper-2); }
.insight .cat {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .25em;
  color: var(--accent);
  margin-bottom: 28px;
}
.insight h3 {
  font-size: 18px;
  font-weight: 500;
  line-height: 1.45;
  letter-spacing: -.02em;
  margin-bottom: 14px;
}
.insight p {
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--mute);
  flex: 1;
  font-weight: 400;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.insight .date {
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  color: var(--ink);
  letter-spacing: .02em;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.insight .date .arrow {
  color: var(--accent);
  font-size: 14px;
  transition: transform .3s;
}
.insight:hover .date .arrow { transform: translateX(6px); }

/* ============ STATS ============ */
.stats-band {
  background: var(--paper-2);
  padding: 110px 56px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.stats-inner { max-width: 1480px; margin: 0 auto; }
.stats-eyebrow {
  text-align: center;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .35em;
  color: var(--accent);
  margin-bottom: 18px;
}
.stats-headline {
  text-align: center;
  font-size: clamp(28px, 2.6vw, 40px);
  font-weight: 300;
  margin-bottom: 80px;
  letter-spacing: -.025em;
  line-height: 1.3;
}
.stats-headline strong { font-weight: 500; }
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.stat-item {
  text-align: center;
  padding: 0 24px;
  position: relative;
}
.stat-item + .stat-item::before {
  content: '';
  position: absolute;
  left: 0; top: 18%;
  width: 1px; height: 64%;
  background: rgba(14,14,14,.12);
}
.stat-num {
  font-size: clamp(50px, 5.4vw, 80px);
  font-weight: 200;
  line-height: 1;
  letter-spacing: -.05em;
}
.stat-num sup {
  color: var(--accent);
  font-size: .35em;
  font-weight: 500;
  margin-left: 4px;
  vertical-align: top;
}
.stat-label-ko {
  margin-top: 22px;
  font-size: 16px;
  font-weight: 500;
  letter-spacing: -.005em;
}
.stat-label-en {
  margin-top: 6px;
  font-size: 11px;
  color: var(--mute);
  letter-spacing: .25em;
  text-transform: uppercase;
}

/* ============ EXPERTISE ============ */
.expertise-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
.ex-cell {
  padding: 48px 40px 56px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  cursor: pointer;
  transition: background .35s ease;
  position: relative;
}
.ex-cell:hover { background: var(--ink); color: #fff; }
.ex-cell:hover .ex-num { color: var(--accent-soft); }
.ex-cell:hover .ex-en { color: rgba(255,255,255,.45); }
.ex-cell:hover .ex-desc { color: rgba(255,255,255,.7); }
.ex-cell:hover .ex-arrow { color: var(--accent-soft); transform: translateX(8px); }
.ex-num {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .25em;
  color: var(--accent);
  margin-bottom: 28px;
  transition: color .35s;
}
.ex-title {
  font-size: 24px;
  font-weight: 500;
  margin-bottom: 8px;
  letter-spacing: -.02em;
}
.ex-en {
  font-size: 13px;
  font-weight: 400;
  letter-spacing: .12em;
  color: var(--mute);
  margin-bottom: 28px;
  transition: color .35s;
}
.ex-desc {
  font-size: 14px;
  line-height: 1.85;
  color: var(--mute);
  font-weight: 400;
  transition: color .35s;
  margin-bottom: 36px;
  letter-spacing: -.005em;
}
.ex-arrow {
  display: inline-block;
  font-size: 22px;
  font-weight: 300;
  color: var(--ink);
  transition: color .35s, transform .35s;
}

/* ============ AWARDS ============ */
.awards-section {
  background: var(--ink);
  padding: 130px 56px;
  color: #fff;
}
.awards-inner { max-width: 1480px; margin: 0 auto; }
.awards-section .section-head {
  border-bottom-color: rgba(255,255,255,.12);
}
.awards-section .section-title { color: #fff; }
.awards-section .section-link {
  color: #fff;
  border-bottom-color: rgba(255,255,255,.5);
}
.awards-section .section-link:hover {
  color: var(--accent-soft);
  border-bottom-color: var(--accent);
}

.awards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.award {
  cursor: pointer;
  transition: transform .5s ease;
}
.award:hover { transform: translateY(-6px); }
.award-img {
  aspect-ratio: 4 / 3;
  background-size: cover;
  background-position: center;
  position: relative;
  overflow: hidden;
  margin-bottom: 28px;
  filter: grayscale(.2) brightness(.85);
  transition: filter .5s ease;
}
.award:hover .award-img { filter: grayscale(0) brightness(1); }
.award-img::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(0,0,0,.6) 100%);
}
.award-img .yr {
  position: absolute;
  bottom: 24px; left: 28px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .25em;
  color: #fff;
  z-index: 2;
}
.award-img .yr::before {
  content: '';
  display: inline-block;
  width: 16px; height: 1px;
  background: var(--accent);
  vertical-align: middle;
  margin-right: 10px;
}
.award-cat {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .25em;
  color: var(--accent-soft);
  margin-bottom: 14px;
}
.award h4 {
  font-size: 22px;
  font-weight: 500;
  line-height: 1.45;
  letter-spacing: -.02em;
  margin-bottom: 16px;
}
.award p {
  font-size: 14px;
  color: rgba(255,255,255,.6);
  line-height: 1.8;
  font-weight: 300;
  margin-bottom: 24px;
}
.award .more {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .15em;
  color: rgba(255,255,255,.85);
  padding-bottom: 4px;
  border-bottom: 1px solid rgba(255,255,255,.4);
  transition: color .25s, border-color .25s;
}
.award:hover .more { color: var(--accent-soft); border-color: var(--accent); }

/* ============ CTA ============ */
.cta {
  padding: 140px 56px;
  background: var(--paper-2);
  text-align: center;
}
.cta-inner { max-width: 980px; margin: 0 auto; }
.cta-eyebrow {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .35em;
  color: var(--accent);
  margin-bottom: 28px;
}
.cta-title {
  font-size: clamp(32px, 4vw, 56px);
  font-weight: 200;
  line-height: 1.3;
  letter-spacing: -.03em;
  margin-bottom: 28px;
}
.cta-title strong { font-weight: 500; }
.cta-desc {
  font-size: 16px;
  color: var(--mute);
  line-height: 1.85;
  margin-bottom: 48px;
  font-weight: 400;
}
.cta-buttons { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 18px 40px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: .02em;
  transition: all .3s ease;
  cursor: pointer;
}
.btn-primary {
  background: var(--ink);
  color: #fff;
  border: 1px solid var(--ink);
}
.btn-primary:hover {
  background: var(--accent);
  border-color: var(--accent);
}
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--ink);
}
.btn-ghost:hover { background: var(--ink); color: #fff; }

/* ============ FOOTER ============ */
.footer {
  background: var(--ink-2);
  color: rgba(255,255,255,.65);
  padding: 80px 56px 32px;
}
.footer-inner { max-width: 1480px; margin: 0 auto; }
.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 56px;
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.footer .logo { margin-bottom: 24px; font-size: 22px; }
.footer-about {
  font-size: 13px;
  line-height: 1.85;
  color: rgba(255,255,255,.55);
  font-weight: 300;
  max-width: 320px;
}
.footer-col h5 {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .3em;
  color: var(--accent-soft);
  margin-bottom: 24px;
  text-transform: uppercase;
}
.footer-col ul { list-style: none; }
.footer-col li {
  margin-bottom: 12px;
  font-size: 14px;
}
.footer-col li a {
  color: rgba(255,255,255,.7);
  transition: color .2s;
}
.footer-col li a:hover { color: #fff; }
.footer-bottom {
  margin-top: 36px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: rgba(255,255,255,.4);
}
.footer-bottom-links { display: flex; gap: 28px; }
.footer-bottom-links a:hover { color: rgba(255,255,255,.85); }

/* ============ RESPONSIVE ============ */
@media (max-width: 1100px) {
  .insights { grid-template-columns: repeat(2, 1fr); }
  .insight:nth-child(4n) { border-right: 1px solid var(--line); }
  .insight:nth-child(2n) { border-right: none; }
  .awards-grid, .expertise-grid, .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-inner { grid-template-columns: 1fr; gap: 40px; }
  .footer-top { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  .topbar-inner, .hero-inner, .hero-bottom { padding-left: 24px; padding-right: 24px; }
  .section, .feature, .stats-band, .awards-section, .cta, .footer { padding-left: 24px; padding-right: 24px; }
  .nav, .topbar .left .lang-spacer { display: none; }
  .insights, .awards-grid, .expertise-grid, .stats-grid { grid-template-columns: 1fr; }
  .insight, .ex-cell { border-right: none !important; }
  .stat-item + .stat-item::before { display: none; }
  .stat-item { padding: 32px 0; border-top: 1px solid rgba(14,14,14,.08); }
  .hero-bottom { flex-direction: column; align-items: flex-start; gap: 28px; }
  .hero-meta { gap: 32px; flex-wrap: wrap; }
  .footer-top { grid-template-columns: 1fr; }
  .section-head { flex-direction: column; align-items: flex-start; gap: 20px; }
}
