:root {
  --bg: #0b1220;
  --bg-soft: #111a2e;
  --card: rgba(255,255,255,0.08);
  --line: rgba(255,255,255,0.14);
  --text: #f7f8fb;
  --muted: #c9d2e3;
  --accent: #7dd3fc;
  --accent-2: #c4b5fd;
  --gold: #f5d58b;
  --shadow: 0 20px 60px rgba(0,0,0,0.35);
  --radius: 24px;
  --max: 1200px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Pretendard", "Noto Sans KR", "Apple SD Gothic Neo", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 20% 20%, rgba(125, 211, 252, 0.18), transparent 28%),
    radial-gradient(circle at 80% 30%, rgba(196, 181, 253, 0.16), transparent 26%),
    linear-gradient(135deg, #09101d 0%, #0d1526 42%, #121b31 100%);
  min-height: 100vh;
}

a { color: inherit; text-decoration: none; }

.container {
  width: min(calc(100% - 40px), var(--max));
  margin: 0 auto;
}

header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(8, 13, 24, 0.58);
  border-bottom: 1px solid rgba(255,255,255,0.07);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.brand-badge {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #07101b;
  display: grid;
  place-items: center;
  font-weight: 900;
  box-shadow: 0 10px 30px rgba(125, 211, 252, 0.35);
}

.brand small {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.menu {
  display: flex;
  gap: 26px;
  align-items: center;
  color: var(--muted);
  font-size: 15px;
}

.menu a:hover { color: var(--text); }

.cta {
  padding: 12px 18px;
  border-radius: 999px;
  background: linear-gradient(135deg, #f5d58b, #fff0bc);
  color: #1b2331;
  font-weight: 800;
  box-shadow: 0 10px 26px rgba(245, 213, 139, 0.25);
}

.hero {
  position: relative;
  padding: 88px 0 72px;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 32px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.1);
  color: var(--gold);
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 20px;
}

.hero h1 {
  margin: 0;
  font-size: clamp(38px, 5vw, 72px);
  line-height: 1.16;
  letter-spacing: -0.045em;
  max-width: 12.8ch;
  word-break: keep-all;
}

.hero-title-line {
  display: block;
}

.hero-title-line:last-child {
  white-space: nowrap;
}

.hero h1 .accent {
  background: linear-gradient(135deg, #ffffff 10%, #a5f3fc 45%, #e9d5ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;
}

.hero p {
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.8;
  max-width: 720px;
}

.hero-actions {
  margin-top: 34px;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 54px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 800;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.btn:hover { transform: translateY(-2px); }

.btn-primary {
  background: linear-gradient(135deg, var(--accent), #c7d2fe);
  color: #08111b;
  box-shadow: 0 12px 30px rgba(125, 211, 252, 0.28);
}

.btn-secondary {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  color: var(--text);
}

.hero-cards {
  display: grid;
  gap: 16px;
}

.panel {
  background: linear-gradient(180deg, rgba(255,255,255,0.08), rgba(255,255,255,0.05));
  border: 1px solid rgba(255,255,255,0.11);
  box-shadow: var(--shadow);
  border-radius: var(--radius);
  padding: 24px;
  position: relative;
  overflow: hidden;
}

.panel::after {
  content: "";
  position: absolute;
  inset: auto -40px -50px auto;
  width: 180px;
  height: 180px;
  background: radial-gradient(circle, rgba(125,211,252,0.22), transparent 60%);
  pointer-events: none;
}

.label {
  font-size: 14px;
  color: var(--gold);
  font-weight: 800;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.panel h2 {
  margin: 10px 0 0;
  font-size: 30px;
  letter-spacing: -.03em;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-top: 18px;
}

.metric {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 18px;
  padding: 16px;
}

.metric strong {
  display: block;
  font-size: 28px;
  margin-bottom: 6px;
}

.metric span {
  color: var(--muted);
  font-size: 14px;
}

.quality-message-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.quality-message-title {
  font-size: 24px;
  font-weight: 800;
  margin-top: 8px;
  letter-spacing: -.02em;
}

.chip {
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  font-size: 13px;
  color: var(--muted);
}

.panel-copy {
  margin: 16px 0 0;
  color: var(--muted);
  line-height: 1.8;
}

.section {
  padding: 34px 0 84px;
}

.section-title {
  font-size: clamp(28px, 3vw, 44px);
  line-height: 1.2;
  margin: 0 0 14px;
  letter-spacing: -0.03em;
}

.section-desc {
  margin: 0 0 34px;
  color: var(--muted);
  line-height: 1.8;
  max-width: 780px;
  font-size: 17px;
}

.cards-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.feature-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 24px;
  padding: 26px;
  min-height: 240px;
  box-shadow: var(--shadow);
}

.feature-card .icon {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  font-size: 24px;
  background: linear-gradient(135deg, rgba(125,211,252,0.22), rgba(196,181,253,0.22));
  margin-bottom: 20px;
}

.feature-card h3 {
  margin: 0 0 10px;
  font-size: 22px;
  letter-spacing: -0.02em;
}

.feature-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.8;
  font-size: 15px;
}

.story {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.story-box {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.09);
  border-radius: 24px;
  padding: 28px;
}

.story-box h3 {
  margin: 0 0 14px;
  font-size: 24px;
  letter-spacing: -0.02em;
}

.story-box p {
  margin: 0;
  color: var(--muted);
  line-height: 1.9;
  font-size: 16px;
}

.banner {
  margin-top: 30px;
  padding: 28px;
  border-radius: 28px;
  background: linear-gradient(135deg, rgba(245,213,139,0.12), rgba(125,211,252,0.14));
  border: 1px solid rgba(255,255,255,0.12);
  box-shadow: var(--shadow);
}

.banner strong {
  font-size: 24px;
  display: block;
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}

.banner p {
  margin: 0;
  color: var(--muted);
  line-height: 1.8;
}

.news-hub {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 22px;
  align-items: start;
}

.news-sidebar,
.news-board {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.news-sidebar {
  padding: 18px;
  display: grid;
  gap: 10px;
  position: sticky;
  top: 110px;
}

.news-tab {
  width: 100%;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.04);
  color: var(--text);
  border-radius: 18px;
  padding: 16px 18px;
  text-align: left;
  font: inherit;
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.news-tab:hover {
  transform: translateY(-1px);
  background: rgba(255,255,255,0.08);
}

.news-tab.active {
  background: linear-gradient(135deg, rgba(125,211,252,0.18), rgba(196,181,253,0.16));
  border-color: rgba(125,211,252,0.35);
}

.news-tab strong {
  display: block;
  font-size: 17px;
  margin-bottom: 6px;
}

.news-tab span {
  display: block;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.news-board {
  padding: 26px;
}

.news-board-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 18px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}

.news-board-head h3 {
  margin: 0;
  font-size: 30px;
  letter-spacing: -0.03em;
}

.news-board-head p {
  margin: 10px 0 0;
  color: var(--muted);
  line-height: 1.7;
  max-width: 720px;
}

.news-badge {
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  color: var(--gold);
  font-size: 13px;
  font-weight: 800;
  white-space: nowrap;
}

.news-list {
  display: grid;
  gap: 14px;
  margin-top: 18px;
}

.news-item {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 16px;
  align-items: center;
  padding: 18px;
  border-radius: 20px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
}

.news-item-index {
  width: 38px;
  height: 38px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, rgba(125,211,252,0.18), rgba(196,181,253,0.18));
  font-weight: 800;
  color: var(--text);
}

.news-item-title {
  margin: 0;
  font-size: 17px;
  line-height: 1.6;
  letter-spacing: -0.01em;
}

.news-link {
  color: var(--text);
  text-decoration: none;
  display: inline-block;
  transition: opacity 0.2s ease;
}

.news-link:hover {
  opacity: 0.82;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.news-item-meta {
  color: var(--muted);
  font-size: 13px;
  white-space: nowrap;
}

.news-note {
  margin-top: 18px;
  padding: 16px 18px;
  border-radius: 18px;
  background: rgba(245,213,139,0.08);
  border: 1px solid rgba(245,213,139,0.14);
  color: var(--muted);
  line-height: 1.7;
  font-size: 14px;
}

footer {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 24px 0 40px;
  color: var(--muted);
  font-size: 14px;
}

.footer-wrap {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
  align-items: center;
}

.footer-wrap strong {
  display: block;
  color: var(--text);
  margin-bottom: 6px;
}

@media (max-width: 980px) {
  .hero-grid,
  .cards-3,
  .story,
  .news-hub {
    grid-template-columns: 1fr;
  }

  .news-sidebar {
    position: static;
  }

  .menu {
    display: none;
  }

  .hero {
    padding-top: 54px;
  }
}

@media (max-width: 640px) {
  .container {
    width: min(calc(100% - 28px), var(--max));
  }

  .nav {
    padding: 14px 0;
  }

  .hero p,
  .section-desc,
  .story-box p {
    font-size: 15px;
  }

  .metric-grid {
    grid-template-columns: 1fr;
  }

  .news-item {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .news-item-meta {
    white-space: normal;
  }
}