:root {
  --bg: #070b16;
  --surface: #0f1528;
  --surface-2: #151d33;
  --text: #f4f7ff;
  --muted: #aeb8cf;
  --line: rgba(255, 255, 255, 0.1);
  --accent: #7c9cff;
  --accent-strong: #9ab2ff;
  --max-width: 1120px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  background: var(--bg);
}

body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 20% 10%, rgba(70, 99, 190, 0.2), transparent 32rem),
    var(--bg);
  font-family: Inter, "Noto Sans KR", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  line-height: 1.65;
}

a { color: inherit; }

button, a { -webkit-tap-highlight-color: transparent; }

.container {
  width: min(calc(100% - 40px), var(--max-width));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  left: 16px;
  top: -80px;
  z-index: 100;
  padding: 10px 14px;
  background: white;
  color: black;
  border-radius: 8px;
}

.skip-link:focus { top: 16px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--line);
  background: rgba(7, 11, 22, 0.82);
  backdrop-filter: blur(18px);
}

.header-inner {
  min-height: 72px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 1.05rem;
  font-weight: 700;
  text-decoration: none;
  letter-spacing: -0.02em;
}

.brand-mark,
.product-icon {
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, #8fa9ff, #566fd0);
  color: #06102e;
  font-weight: 800;
}

.brand-mark {
  width: 32px;
  height: 32px;
  border-radius: 10px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.94rem;
}

.nav a:hover,
.nav a:focus-visible { color: var(--text); }

.language-toggle {
  border: 0;
  padding: 0;
  background: transparent;
  color: var(--muted);
  font: inherit;
  cursor: pointer;
}

.language-toggle:hover,
.language-toggle:focus-visible { color: var(--text); }

.hero {
  padding: 108px 0 92px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 72px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--accent-strong);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

h1, h2, h3, p { margin-top: 0; }

h1 {
  max-width: 760px;
  margin-bottom: 24px;
  font-size: clamp(3rem, 7vw, 6rem);
  line-height: 0.98;
  letter-spacing: -0.065em;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1.08;
  letter-spacing: -0.045em;
}

h3 {
  margin-bottom: 10px;
  font-size: 1.45rem;
}

.hero-description {
  max-width: 680px;
  color: var(--muted);
  font-size: 1.1rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 650;
}

.button-primary {
  background: var(--text);
  color: #0a1020;
}

.button-primary:hover { background: #dce4ff; }

.button-secondary {
  border-color: var(--line);
  color: var(--text);
  background: rgba(255, 255, 255, 0.035);
}

.hero-panel {
  position: relative;
  min-height: 430px;
  display: grid;
  place-items: center;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 34px;
  background: linear-gradient(145deg, rgba(124, 156, 255, 0.15), rgba(255, 255, 255, 0.025));
}

.orbit {
  position: absolute;
  border: 1px solid rgba(173, 191, 255, 0.22);
  border-radius: 50%;
}

.orbit-one { width: 320px; height: 320px; }
.orbit-two { width: 210px; height: 210px; }

.panel-card {
  position: relative;
  z-index: 2;
  width: min(78%, 300px);
  padding: 28px;
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 24px;
  background: rgba(8, 13, 28, 0.76);
  box-shadow: 0 24px 80px rgba(0,0,0,.32);
  backdrop-filter: blur(14px);
}

.panel-card strong,
.panel-card span { display: block; }

.panel-label {
  margin-bottom: 22px;
  color: var(--accent-strong);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: .18em;
}

.panel-card strong {
  margin-bottom: 8px;
  font-size: 1.4rem;
}

.panel-card span:last-child { color: var(--muted); }

.section { padding: 88px 0; }

.section-muted {
  border-block: 1px solid var(--line);
  background: rgba(255,255,255,.025);
}

.section-heading {
  max-width: 720px;
  margin-bottom: 36px;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.product-card {
  min-height: 270px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 22px;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--surface);
}

.product-card p { color: var(--muted); }

.product-card a {
  color: var(--accent-strong);
  font-weight: 600;
  text-decoration: none;
}

.product-icon {
  width: 48px;
  height: 48px;
  border-radius: 15px;
}

.status {
  display: inline-block;
  margin-bottom: 14px;
  color: var(--accent-strong);
  font-size: .78rem;
  font-weight: 650;
}

.muted { color: var(--muted); }

.about-grid {
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  gap: 80px;
}

.about-copy {
  max-width: 680px;
  color: var(--muted);
  font-size: 1.08rem;
}

.contact-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 48px;
  padding: 42px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: linear-gradient(135deg, rgba(124,156,255,.11), rgba(255,255,255,.025));
}

.contact-card p {
  max-width: 680px;
  margin-bottom: 0;
  color: var(--muted);
}

.site-footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.footer-inner {
  min-height: 150px;
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 28px;
}

.footer-inner strong { color: var(--text); }
.footer-inner p { margin-bottom: 0; font-size: .9rem; }

.footer-links {
  display: flex;
  gap: 18px;
}

.footer-links a { text-decoration: none; }

.legal-page {
  min-height: 70vh;
  padding: 90px 0;
}

.legal-content {
  max-width: 800px;
}

.legal-content p,
.legal-content li { color: var(--muted); }

@media (max-width: 840px) {
  .nav a { display: none; }

  .hero { padding-top: 76px; }

  .hero-grid,
  .about-grid {
    grid-template-columns: 1fr;
    gap: 44px;
  }

  .hero-panel { min-height: 340px; }

  .product-grid { grid-template-columns: 1fr; }

  .contact-card {
    align-items: flex-start;
    flex-direction: column;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    padding: 34px 0;
  }
}

@media (max-width: 520px) {
  .container { width: min(calc(100% - 28px), var(--max-width)); }
  .header-inner { min-height: 64px; }
  .nav { gap: 14px; }
  .hero { padding: 60px 0 70px; }
  h1 { font-size: 3rem; }
  .section { padding: 66px 0; }
  .product-card {
    grid-template-columns: 1fr;
    padding: 24px;
  }
  .contact-card { padding: 28px; }
}