:root {
  color-scheme: dark;
  font-family: "Pretendard", "Noto Sans KR", "Apple SD Gothic Neo", "Malgun Gothic", system-ui, sans-serif;
  background: #101715;
  color: #f2f3ec;
  font-synthesis: none;
  scroll-behavior: smooth;
}

* { box-sizing: border-box; }
body { margin: 0; min-width: 320px; }
a { color: inherit; }
svg { display: block; }
::selection { background: #c9ef7d; color: #101715; }

.page-shell { max-width: 1600px; margin: auto; padding: 0 5.2%; }
.site-header { height: 100px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid #38413c; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-size: 19px; font-weight: 850; letter-spacing: -.07em; }
.brand-mark { display: grid; place-items: center; width: 38px; height: 38px; color: #c9ef7d; }
.brand-mark svg { width: 38px; height: 38px; }
.brand-dot, .period { color: #c9ef7d; }
.header-label { display: inline-flex; align-items: center; gap: 10px; color: #a5afa8; font-size: 13px; letter-spacing: -.02em; }
.status-dot { width: 6px; height: 6px; border-radius: 50%; background: #c9ef7d; box-shadow: 0 0 0 4px #c9ef7d1c; }

.hero { min-height: 650px; display: grid; grid-template-columns: 1.1fr .9fr; align-items: center; gap: 5%; padding: 80px 0 110px; }
.hero-copy { position: relative; z-index: 1; }
.eyebrow { margin: 0; color: #c9ef7d; font-size: 12px; font-weight: 700; letter-spacing: .16em; }
.hero .eyebrow { display: flex; align-items: center; gap: 13px; }
.eyebrow-line { width: 28px; height: 1px; background: currentColor; }
h1, h2, p { word-break: keep-all; }
h1 { margin: 31px 0 30px; font-size: clamp(58px, 6.2vw, 102px); line-height: 1.15; letter-spacing: -.09em; font-weight: 760; }
h1 em { font-style: normal; color: #c9ef7d; }
.hero-description { margin: 0; color: #b9c1b9; font-size: clamp(16px, 1.3vw, 19px); line-height: 1.95; letter-spacing: -.035em; }
.text-link { display: inline-flex; align-items: center; gap: 17px; margin-top: 39px; padding-bottom: 8px; border-bottom: 1px solid #c9ef7d; color: #eaf2d7; text-decoration: none; font-size: 15px; font-weight: 650; }
.text-link svg { width: 18px; height: 18px; transition: transform .2s ease; }
.text-link:hover svg, .text-link:focus-visible svg { transform: translateY(4px); }
:focus-visible { outline: 2px solid #c9ef7d; outline-offset: 5px; }

.hero-visual { position: relative; width: min(100%, 510px); aspect-ratio: 1; justify-self: end; display: grid; place-items: center; overflow: hidden; border: 1px solid #3b4a3e; border-radius: 50%; background: radial-gradient(circle at 50% 50%, #22382b 0, #17231c 47%, #111b16 72%, #101715 100%); }
.visual-grid { position: absolute; inset: 0; opacity: .35; background-image: linear-gradient(#71826429 1px, transparent 1px), linear-gradient(90deg, #71826429 1px, transparent 1px); background-size: 39px 39px; mask-image: radial-gradient(circle, #000 15%, transparent 73%); }
.orbit { position: absolute; border: 1px solid #85a8673a; border-radius: 50%; }
.orbit-one { width: 67%; height: 67%; }
.orbit-two { width: 88%; height: 88%; border-style: dashed; }
.visual-core { position: relative; width: 50%; aspect-ratio: 1; display: grid; place-items: center; border-radius: 50%; background: radial-gradient(circle at 40% 35%, #3d5e37, #1d3224 70%); box-shadow: 0 0 0 1px #a6d17160, 0 22px 80px #0008, inset 0 0 45px #c9ef7d14; color: #d3f397; }
.visual-core svg { width: 55%; filter: drop-shadow(0 0 12px #b2e57344); }
.visual-label { position: absolute; font: 10px/1.3 ui-monospace, SFMono-Regular, Consolas, monospace; letter-spacing: .13em; color: #a4c18c; }
.visual-label-top { top: 17%; left: 13%; }
.visual-label-bottom { right: 11%; bottom: 17%; }
.visual-plus { position: absolute; color: #badc84; font: 24px/1 ui-monospace, monospace; font-weight: 200; }
.visual-plus-one { right: 18%; top: 26%; }
.visual-plus-two { left: 17%; bottom: 26%; }

.about { display: grid; grid-template-columns: .95fr 1.05fr; gap: 10%; padding: 80px 0 112px; border-top: 1px solid #38413c; }
h2 { margin: 25px 0 0; font-size: clamp(34px, 3.7vw, 55px); line-height: 1.25; letter-spacing: -.065em; font-weight: 720; }
.about-content > p { max-width: 550px; margin: 8px 0 42px; color: #b9c1b9; font-size: 17px; line-height: 1.9; letter-spacing: -.035em; }
.coming-list { border-top: 1px solid #49564b; }
.coming-item { min-height: 77px; display: grid; grid-template-columns: 46px 1fr auto; gap: 12px; align-items: center; border-bottom: 1px solid #38413c; }
.coming-item > span:first-child { color: #c9ef7d; font: 12px ui-monospace, SFMono-Regular, Consolas, monospace; }
.coming-item strong { font-size: 15px; font-weight: 600; letter-spacing: -.025em; }
.item-state { color: #89978b; font-size: 12px; }
.site-footer { min-height: 110px; display: flex; align-items: center; justify-content: space-between; gap: 20px; border-top: 1px solid #38413c; color: #86948a; font-size: 12px; }
.footer-brand { color: #f2f3ec; font-size: 15px; font-weight: 800; letter-spacing: -.06em; }

@media (max-width: 850px) {
  .page-shell { padding: 0 6%; }
  .hero { grid-template-columns: 1fr; min-height: 0; gap: 65px; padding: 85px 0 90px; }
  .hero-visual { width: min(100%, 480px); justify-self: center; }
  .about { grid-template-columns: 1fr; gap: 33px; padding: 72px 0 85px; }
  .about-content > p { margin-top: 0; }
}

@media (max-width: 520px) {
  .site-header { height: 78px; }
  .brand { font-size: 17px; }
  .header-label { font-size: 11px; }
  .hero { padding-top: 68px; gap: 58px; }
  h1 { margin: 28px 0; font-size: clamp(54px, 13vw, 70px); }
  .hero-description { font-size: 15px; }
  .hero-description br { display: none; }
  .hero-visual { width: min(100%, 380px); }
  .visual-label { font-size: 8px; }
  .about-content > p { font-size: 15px; }
  .site-footer { min-height: 105px; flex-wrap: wrap; justify-content: flex-start; gap: 8px 20px; padding: 28px 0; }
  .site-footer > span:last-child { margin-left: auto; }
}

@media (prefers-reduced-motion: reduce) {
  :root { scroll-behavior: auto; }
  .text-link svg { transition: none; }
}