:root {
  --bg-0: #030814;
  --bg-1: #071325;
  --bg-2: #0b1f42;
  --text: #f8f3ea;
  --sub: #c9d9ef;
  --gold: #f2d29a;
  --gold-strong: #db8a12;
  --line: rgba(242, 210, 154, 0.18);
  --line-soft: rgba(129, 178, 255, 0.18);
  --panel: rgba(7, 16, 33, 0.48);
  --shadow: 0 34px 92px rgba(0, 0, 0, 0.44);
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  min-height: 100vh;
  color: var(--text);
  font-family: "Avenir Next", "Pretendard Variable", "Noto Sans KR", sans-serif;
  background:
    radial-gradient(1200px 760px at 50% -18%, rgba(61, 121, 230, 0.22), transparent 54%),
    radial-gradient(880px 620px at 92% 8%, rgba(27, 120, 214, 0.18), transparent 56%),
    radial-gradient(700px 460px at 10% 84%, rgba(242, 210, 154, 0.1), transparent 52%),
    linear-gradient(180deg, var(--bg-0), var(--bg-1) 42%, #07111f 100%);
  overflow-x: hidden;
}
body::before,
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
}
body::before {
  background:
    radial-gradient(circle at 18% 22%, rgba(255,255,255,0.9) 0 1px, transparent 2px),
    radial-gradient(circle at 26% 60%, rgba(255,255,255,0.7) 0 1px, transparent 2px),
    radial-gradient(circle at 58% 18%, rgba(255,255,255,0.75) 0 1px, transparent 2px),
    radial-gradient(circle at 76% 44%, rgba(255,255,255,0.8) 0 1px, transparent 2px),
    radial-gradient(circle at 82% 20%, rgba(255,255,255,0.7) 0 1px, transparent 2px),
    radial-gradient(circle at 66% 72%, rgba(255,255,255,0.68) 0 1px, transparent 2px),
    radial-gradient(circle at 34% 82%, rgba(255,255,255,0.72) 0 1px, transparent 2px),
    radial-gradient(circle at 92% 76%, rgba(255,255,255,0.65) 0 1px, transparent 2px),
    linear-gradient(90deg, rgba(255,255,255,0.016) 1px, transparent 1px),
    linear-gradient(rgba(255,255,255,0.016) 1px, transparent 1px);
  background-size: auto, auto, auto, auto, auto, auto, auto, auto, 130px 130px, 130px 130px;
  opacity: 0.36;
}
body::after {
  background: radial-gradient(circle at center, transparent 0, rgba(0,0,0,0.22) 60%, rgba(0,0,0,0.58) 100%);
}
.shell {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  padding: 20px 26px 40px;
}
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  position: relative;
  z-index: 3;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text);
}
.brand-pearl {
  width: 22px;
  height: 22px;
  border-radius: 999px;
  background:
    radial-gradient(circle at 34% 28%, rgba(255,255,255,0.92), rgba(242, 210, 154, 0.62) 28%, rgba(80, 123, 214, 0.34) 60%, rgba(7, 14, 31, 0.18) 80%, transparent 84%),
    radial-gradient(circle at 60% 72%, rgba(26, 45, 92, 0.72), rgba(8, 15, 34, 0.96));
  box-shadow:
    0 0 0 1px rgba(255,255,255,0.08),
    0 0 20px rgba(242, 210, 154, 0.18),
    0 0 52px rgba(96, 149, 255, 0.16);
}
.brand-wordmark {
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
}
.hero-nav {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(219, 138, 18, 0.98), rgba(179, 104, 12, 0.92));
  box-shadow: 0 18px 40px rgba(76, 42, 4, 0.32);
}
.hero-nav,
.utility-icons {
  position: relative;
  z-index: 3;
}
.nav-icon,
.utility-icon,
.route-tile {
  color: inherit;
  text-decoration: none;
}
.nav-icon,
.utility-icon {
  width: 42px;
  height: 42px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.08);
  color: #fff7ea;
  transition: transform 180ms ease, background 180ms ease;
}
.nav-icon:hover,
.utility-icon:hover,
.route-tile:hover {
  transform: translateY(-2px);
}
.nav-icon svg,
.utility-icon svg,
.route-icon svg {
  width: 20px;
  height: 20px;
}
.utility-icons {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.scene {
  position: relative;
  min-height: calc(100vh - 88px);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding-top: 42px;
}
.scene::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(120deg, rgba(97, 181, 255, 0.08), transparent 32%, rgba(97, 181, 255, 0.1) 56%, transparent 72%),
    linear-gradient(60deg, transparent 12%, rgba(64, 186, 255, 0.08) 18%, transparent 24%, transparent 54%, rgba(64, 186, 255, 0.06) 62%, transparent 66%);
  pointer-events: none;
}
.hero-copy {
  position: relative;
  z-index: 2;
  max-width: 1120px;
  padding-top: 20px;
}
.eyebrow {
  margin: 0;
  color: var(--gold);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.24em;
  text-transform: uppercase;
}
.hero-title {
  margin: 18px 0 0;
  font-size: clamp(50px, 7vw, 104px);
  line-height: 0.96;
  font-weight: 800;
  letter-spacing: -0.04em;
  color: #f7f5f0;
  max-width: 1180px;
  text-wrap: balance;
}
.hero-title span {
  display: block;
}
.hero-subline {
  margin: 18px 0 0;
  max-width: 440px;
  font-size: 15px;
  line-height: 1.6;
  color: rgba(246, 248, 252, 0.88);
  font-weight: 600;
}
.globe-wrap {
  position: absolute;
  inset: auto -10% -22% -10%;
  height: 74%;
  pointer-events: none;
}
.globe {
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: min(1480px, 112vw);
  aspect-ratio: 2.1 / 1;
  border-top-left-radius: 100% 100%;
  border-top-right-radius: 100% 100%;
  background:
    radial-gradient(circle at 50% 18%, rgba(255,255,255,0.5), transparent 20%),
    radial-gradient(circle at 46% 72%, rgba(255, 196, 96, 0.24), transparent 34%),
    radial-gradient(circle at 62% 68%, rgba(255, 184, 72, 0.18), transparent 30%),
    radial-gradient(circle at 30% 66%, rgba(255, 164, 54, 0.18), transparent 28%),
    linear-gradient(180deg, rgba(83, 153, 236, 0.45), rgba(14, 36, 70, 0.94) 46%, rgba(4, 10, 22, 0.98));
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.14),
    0 0 120px rgba(78, 160, 255, 0.24),
    0 40px 140px rgba(0,0,0,0.46);
  overflow: hidden;
  animation: globeFloat 20s ease-in-out infinite;
}
.globe::before,
.globe::after {
  content: "";
  position: absolute;
  inset: 0;
}
.globe::before {
  background:
    linear-gradient(90deg, rgba(98, 198, 255, 0.28) 1px, transparent 1px),
    linear-gradient(rgba(98, 198, 255, 0.22) 1px, transparent 1px);
  background-size: 86px 86px;
  opacity: 0.3;
  transform: perspective(1200px) rotateX(68deg) scale(1.24);
  transform-origin: center 120%;
}
.globe::after {
  background:
    radial-gradient(circle at 34% 48%, rgba(117, 228, 255, 0.62) 0 2px, transparent 4px),
    radial-gradient(circle at 46% 34%, rgba(117, 228, 255, 0.62) 0 2px, transparent 4px),
    radial-gradient(circle at 60% 42%, rgba(117, 228, 255, 0.62) 0 2px, transparent 4px),
    radial-gradient(circle at 72% 56%, rgba(117, 228, 255, 0.62) 0 2px, transparent 4px),
    linear-gradient(124deg, transparent 16%, rgba(98, 198, 255, 0.2) 17%, transparent 18%),
    linear-gradient(96deg, transparent 22%, rgba(98, 198, 255, 0.16) 23%, transparent 24%),
    linear-gradient(72deg, transparent 52%, rgba(98, 198, 255, 0.18) 53%, transparent 54%);
  opacity: 0.74;
}
.deck-stack {
  position: relative;
  z-index: 2;
  display: grid;
  gap: 16px;
  padding-bottom: 22px;
}
.deck-block {
  display: grid;
  gap: 12px;
}
.deck-label {
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(242, 210, 154, 0.92);
}
.route-deck {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(5, minmax(0, 1fr));
}
.route-tile {
  position: relative;
  display: grid;
  justify-items: center;
  gap: 10px;
  padding: 16px 12px 14px;
  border-radius: 24px;
  border: 1px solid rgba(255,255,255,0.12);
  background: linear-gradient(145deg, rgba(13, 25, 49, 0.84), rgba(7, 14, 29, 0.86));
  box-shadow: var(--shadow);
  color: #eef5ff;
  overflow: hidden;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}
.route-tile::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(140deg, rgba(255,255,255,0.04), transparent 42%, rgba(115, 170, 255, 0.05));
}
.route-icon-wrap {
  position: relative;
  z-index: 1;
  width: 54px;
  height: 54px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.05);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.04);
}
.route-icon {
  position: relative;
  z-index: 1;
  color: var(--tile-accent, var(--gold));
}
.route-label {
  position: relative;
  z-index: 1;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-align: center;
  color: #f6f2ea;
}
.route-tile:hover {
  border-color: rgba(242, 210, 154, 0.32);
  background: linear-gradient(145deg, rgba(16, 31, 60, 0.92), rgba(8, 16, 33, 0.9));
}

@keyframes globeFloat {
  0%,
  100% {
    transform: translateX(-50%) translateY(0);
  }
  50% {
    transform: translateX(-50%) translateY(-8px);
  }
}
.route-meta {
  position: relative;
  z-index: 1;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(201, 217, 239, 0.72);
}
@media (max-width: 1200px) {
  .route-deck { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}
@media (max-width: 900px) {
  .topbar {
    flex-direction: column;
    align-items: stretch;
  }
  .hero-nav {
    order: 2;
    justify-content: center;
    flex-wrap: wrap;
    border-radius: 28px;
  }
  .utility-icons {
    justify-content: center;
  }
  .hero-title {
    font-size: clamp(42px, 11vw, 76px);
  }
  .route-deck { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 640px) {
  .shell { padding: 16px 14px 28px; }
  .scene { min-height: calc(100vh - 72px); padding-top: 24px; }
  .hero-subline { font-size: 15px; max-width: 380px; }
  .globe-wrap { inset: auto -24% -8% -24%; height: 54%; }
  .hero-nav { gap: 6px; padding: 8px 10px; }
  .nav-icon, .utility-icon { width: 38px; height: 38px; }
  .route-deck { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .route-tile { border-radius: 20px; padding: 14px 10px 12px; }
  .route-icon-wrap { width: 50px; height: 50px; border-radius: 16px; }
}