:root {
  --board: #06070f;
  --panel: #0d1020;
  --panel2: #151a2e;
  --cyan: #22e0ff;
  --magenta: #ff3dbe;
  --yellow: #ffd23d;
  --green: #35f39a;
  --purple: #a970ff;
  --tx: #e6ecff;
  --tx2: #a8b4d6;
  --line: rgba(255, 255, 255, 0.1);
  --wrap: 1080px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--board);
  color: var(--tx);
  font-family: Pretendard, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

html[lang="ko"] body { word-break: keep-all; }

a { color: var(--cyan); }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }

.bg { position: fixed; inset: 0; z-index: -1; overflow: hidden; }
.bg__circuit {
  position: absolute; inset: 0;
  background: url("img/circuit.svg") repeat;
  background-size: 320px 320px;
  opacity: 0.14;
}
.bg__glow { position: absolute; border-radius: 50%; filter: blur(110px); }
.bg__glow--a { top: -220px; left: 55%; width: 620px; height: 620px; background: var(--cyan); opacity: 0.16; }
.bg__glow--b { top: 44%; left: -260px; width: 640px; height: 640px; background: var(--magenta); opacity: 0.1; }
.bg__glow--c { top: 78%; left: 58%; width: 560px; height: 560px; background: var(--purple); opacity: 0.11; }
.bg__scan {
  position: absolute; inset: 0;
  background: repeating-linear-gradient(to bottom, rgba(255, 255, 255, 0.02) 0 1px, transparent 1px 4px);
}

.top {
  position: relative; z-index: 5;
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; padding: 20px 0;
}
.top__mark { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.top__mark img { display: block; border-radius: 9px; }
.top__name {
  font-family: Orbitron, sans-serif; font-weight: 700; font-size: 15px;
  letter-spacing: 0.08em; color: var(--tx);
}
.lang { display: flex; gap: 6px; }
.lang a {
  padding: 6px 12px; border: 1px solid var(--line); border-radius: 999px;
  font-size: 13px; text-decoration: none; color: var(--tx2);
}
.lang a[aria-current] { border-color: var(--cyan); color: var(--cyan); }

.hero { position: relative; padding: 40px 0 72px; }
.hero__grid {
  display: grid; grid-template-columns: 1.05fr 0.95fr;
  gap: 48px; align-items: center;
}
.hero__lead {
  font-family: Orbitron, sans-serif; font-weight: 700; font-size: 14px;
  letter-spacing: 0.24em; color: var(--cyan); text-transform: uppercase;
  margin: 0 0 18px;
}
.wordmark { margin: 0 0 22px; line-height: 1; }
.wordmark span { display: block; font-family: Orbitron, sans-serif; font-weight: 900; }
.wordmark .l1 {
  font-size: 58px; letter-spacing: 0.02em; color: var(--cyan);
  text-shadow: 0 0 28px rgba(34, 224, 255, 0.5);
}
.wordmark .l2 {
  font-size: 34px; letter-spacing: 0.16em; color: var(--magenta);
  text-shadow: 0 0 24px rgba(255, 61, 190, 0.45); margin-top: 8px;
}
.hero__body { color: var(--tx2); font-size: 18px; margin: 0 0 24px; max-width: 34em; }

.badges { display: flex; flex-wrap: wrap; gap: 8px; padding: 0; margin: 0 0 30px; list-style: none; }
.badges li {
  padding: 6px 13px; border: 1px solid var(--line); border-radius: 999px;
  font-size: 13px; color: var(--tx2); background: rgba(255, 255, 255, 0.03);
}

.stores { display: flex; flex-wrap: wrap; gap: 12px; }
.store {
  display: flex; align-items: center; gap: 12px;
  min-width: 208px; padding: 12px 20px;
  border: 1px solid var(--line); border-radius: 14px;
  background: linear-gradient(160deg, rgba(34, 224, 255, 0.1), rgba(169, 112, 255, 0.07));
  text-decoration: none; color: var(--tx);
}
.store svg { flex: none; }
.store b { display: block; font-size: 16px; font-weight: 700; line-height: 1.2; }
.store small { display: block; font-size: 12px; color: var(--tx2); letter-spacing: 0.04em; }
.store[href] { border-color: rgba(34, 224, 255, 0.5); box-shadow: 0 0 24px rgba(34, 224, 255, 0.14); }
.store[aria-disabled] { opacity: 0.62; cursor: default; }

.hero__shot { justify-self: center; }
.shot {
  display: block; border-radius: 26px; border: 1px solid rgba(34, 224, 255, 0.34);
  box-shadow: 0 0 70px rgba(34, 224, 255, 0.16), 0 26px 50px rgba(0, 0, 0, 0.6);
  background: var(--board);
}

.nodes { padding: 26px 0 8px; }
.nodes__row { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; }
.node {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 18px; border-radius: 14px; border: 1px solid currentColor;
  font-family: Orbitron, sans-serif; font-weight: 700; font-size: 13px;
  letter-spacing: 0.14em;
}
html[lang="ko"] .node { font-family: Pretendard, sans-serif; letter-spacing: 0.02em; font-size: 14px; }
.node--azura { color: var(--cyan); box-shadow: 0 0 20px rgba(34, 224, 255, 0.22); }
.node--vesper { color: var(--magenta); box-shadow: 0 0 20px rgba(255, 61, 190, 0.2); }
.node--helion { color: var(--yellow); box-shadow: 0 0 20px rgba(255, 210, 61, 0.2); }
.node--viridia { color: var(--green); box-shadow: 0 0 20px rgba(53, 243, 154, 0.2); }
.node--umbra { color: var(--purple); box-shadow: 0 0 20px rgba(169, 112, 255, 0.22); }

section { position: relative; }
.sect { padding: 64px 0; }
h2 {
  font-size: 34px; line-height: 1.2; margin: 0 0 10px;
  font-family: Orbitron, sans-serif; font-weight: 700; letter-spacing: 0.02em;
}
html[lang="ko"] h2 { font-family: Pretendard, sans-serif; font-weight: 800; letter-spacing: -0.02em; }
.sect > .wrap > h2 { text-align: center; }
.sect__lede { text-align: center; color: var(--tx2); max-width: 46em; margin: 0 auto; }

.feats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 36px; }
.feat {
  padding: 26px 24px 28px; border-radius: 18px;
  border: 1px solid var(--line);
  background: linear-gradient(170deg, var(--panel2), var(--panel));
}
.feat__ico { margin-bottom: 14px; }
.feat h3 { margin: 0 0 8px; font-size: 20px; line-height: 1.3; }
.feat p { margin: 0; color: var(--tx2); font-size: 15px; }

.screens { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 36px; }
.screen { text-align: center; margin: 0; }
.screen img {
  width: 100%; height: auto; border-radius: 20px;
  border: 1px solid rgba(34, 224, 255, 0.28);
  box-shadow: 0 0 46px rgba(34, 224, 255, 0.1), 0 18px 36px rgba(0, 0, 0, 0.55);
  background: var(--board);
}
.screen figcaption { margin-top: 14px; color: var(--tx2); font-size: 14px; }

.close { text-align: center; padding: 76px 0 64px; }
.close h2 { font-size: 40px; }
.close p { color: var(--tx2); margin: 0 auto 28px; max-width: 34em; }
.close .stores { justify-content: center; }

.foot { border-top: 1px solid var(--line); padding: 30px 0 44px; color: var(--tx2); font-size: 14px; }
.foot__row { display: flex; flex-wrap: wrap; gap: 10px 22px; align-items: center; justify-content: center; }
.foot__note { text-align: center; margin: 16px auto 0; max-width: 44em; opacity: 0.8; }

@media (max-width: 900px) {
  .hero__grid { grid-template-columns: 1fr; gap: 34px; }
  .wordmark .l1 { font-size: 44px; }
  .wordmark .l2 { font-size: 26px; }
  .feats, .screens { grid-template-columns: 1fr; }
  h2 { font-size: 27px; }
  .close h2 { font-size: 30px; }
  .hero__shot { order: -1; }
}
@media (max-width: 420px) {
  body { font-size: 16px; }
  .wordmark .l1 { font-size: 34px; }
  .wordmark .l2 { font-size: 20px; letter-spacing: 0.12em; }
  .store { min-width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}