:root {
  color-scheme: dark;
  background: #09131d;
  color: #edf3f7;
  font-family: Inter, 'Noto Sans KR', system-ui, sans-serif;
  font-synthesis: none;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
}
.landing {
  max-width: 1320px;
  margin: auto;
  padding: 0 64px;
}
.landing a {
  color: inherit;
  text-decoration: none;
}
.landing a:focus-visible {
  outline: 2px solid #b5dce7;
  outline-offset: 6px;
}
.landing-header {
  min-height: 100px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  border-bottom: 1px solid #ffffff18;
}
.landing-brand {
  font-size: 20px;
  font-weight: 750;
  letter-spacing: 0.16em;
}
.landing nav {
  display: flex;
  gap: 23px;
  flex-wrap: wrap;
}
.landing-header nav {
  font-size: 13px;
  color: #8da4b5;
}
.landing-header [aria-current] {
  color: #edf3f7;
  text-decoration: underline;
  text-underline-offset: 7px;
}
.landing-hero {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  align-items: center;
  gap: 10px;
  min-height: 610px;
  padding: 65px 0;
}
.landing h1 {
  font-size: 13px;
  color: #aec8d5;
  letter-spacing: 0.035em;
}
.landing-title {
  font-size: clamp(42px, 5.3vw, 72px);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.055em;
  max-width: 650px;
  margin: 25px 0;
}
.landing-intro {
  color: #adbfcb;
  font-size: 16px;
  line-height: 1.9;
  max-width: 480px;
  word-break: keep-all;
}
.landing .landing-launch {
  display: inline-flex;
  gap: 56px;
  align-items: center;
  margin-top: 22px;
  padding: 18px 25px;
  background: #e6eff4;
  color: #132b3b;
  border-radius: 6px;
  font-size: 16px;
  font-weight: 650;
  transition:
    background 0.18s,
    transform 0.18s;
}
.landing-launch:hover {
  background: #fff;
  transform: translateY(-2px);
}
.landing-device {
  font-size: 12px;
  color: #8c9eab;
  margin-top: 20px;
  line-height: 1.8;
}
.landing-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
  border-top: 1px solid #ffffff18;
  padding: 38px 0 52px;
}
.landing h2 {
  font-size: 17px;
  line-height: 1.6;
  font-weight: 550;
}
.landing-features p {
  font-size: 14px;
  color: #99adbc;
  line-height: 1.9;
  word-break: keep-all;
}
.landing footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: center;
  border-top: 1px solid #ffffff18;
  padding: 25px 0 35px;
  color: #8da4b5;
  font-size: 12px;
}
.landing footer a:hover {
  color: #fff;
}
html:lang(ja) .landing p,
html:lang(zh-CN) .landing p {
  word-break: normal;
}
@media (max-width: 760px) {
  .landing {
    padding: 0 24px;
  }
  .landing-header {
    padding: 23px 0;
    align-items: flex-start;
    flex-direction: column;
    gap: 20px;
  }
  .landing nav {
    gap: 17px;
  }
  .landing-hero {
    grid-template-columns: 1fr;
    padding: 44px 0 24px;
    gap: 16px;
    min-height: 0;
  }
  .landing-title {
    font-size: 47px;
    max-width: 520px;
  }
  .landing-art {
    max-width: 340px;
    justify-self: center;
  }
  .landing-features {
    grid-template-columns: 1fr;
    gap: 12px;
    padding: 20px 0 30px;
  }
  .landing footer {
    align-items: flex-start;
    flex-direction: column;
  }
  .landing-intro {
    font-size: 15px;
  }
}
@media (prefers-reduced-motion: reduce) {
  .landing .landing-launch {
    transition: none;
  }
}

body {
  background: #09131d;
}

.landing-art {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
}
.landing-globe-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 220ms ease;
  cursor: grab;
  touch-action: none;
}
.landing-globe-canvas:active {
  cursor: grabbing;
  touch-action: none;
}
.landing-globe-canvas:focus-visible {
  outline: 2px solid #b5dce7;
  outline-offset: 4px;
}
.landing-3d-ready .landing-globe-canvas {
  opacity: 1;
}
.landing-globe-credit {
  position: absolute;
  bottom: 0;
  right: 0;
  font-size: 9px;
}

@media (prefers-reduced-motion: reduce) {
  .landing-globe-canvas {
    transition: none;
  }
}