@import url("https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@300;400;600;700;800&family=Inter:wght@300;400;600;700;800&display=swap");

*, *::before, *::after {
  box-sizing: border-box;
}

:root {
  --bg: #0d0f14;
  --surface: #161923;
  --surface-2: #11141c;
  --border: rgba(255, 255, 255, 0.07);
  --accent: #4f8ef7;
  --accent-2: #a78bfa;
  --text: #e8eaf0;
  --muted: #7a7f91;
  --soft: rgba(232, 234, 240, 0.76);
  --radius: 16px;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: "Noto Sans KR", Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
  margin: 0;
}

a {
  color: inherit;
  text-decoration: none;
}

.site-header {
  backdrop-filter: blur(12px);
  background: rgba(13, 15, 20, 0.88);
  border-bottom: 1px solid var(--border);
  left: 0;
  position: fixed;
  right: 0;
  top: 0;
  z-index: 100;
}

.nav {
  align-items: center;
  display: flex;
  height: 60px;
  justify-content: space-between;
  margin: 0 auto;
  max-width: 1120px;
  padding: 0 2rem;
}

.brand {
  align-items: center;
  color: var(--text);
  display: flex;
  font-size: 1.08rem;
  font-weight: 800;
  gap: 10px;
  letter-spacing: 0;
}

.brand-mark {
  align-items: center;
  background: rgba(79, 142, 247, 0.14);
  border: 1px solid rgba(79, 142, 247, 0.28);
  border-radius: 10px;
  color: var(--accent);
  display: inline-flex;
  font-size: 0.78rem;
  height: 32px;
  justify-content: center;
  width: 32px;
}

.brand-logo {
  height: 100%;
  object-fit: cover;
  width: 100%;
}

.nav-links {
  align-items: center;
  display: flex;
  gap: 1.6rem;
  font-size: 0.9rem;
  font-weight: 600;
}

.nav-links a {
  color: var(--muted);
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--text);
}

.hero {
  min-height: 100vh;
  overflow: hidden;
  position: relative;
}

.hero::before {
  background: radial-gradient(ellipse 60% 48% at 48% 36%, rgba(79, 142, 247, 0.15) 0%, rgba(167, 139, 250, 0.08) 34%, transparent 72%);
  content: "";
  inset: 0;
  pointer-events: none;
  position: absolute;
}

.hero-inner {
  align-items: center;
  display: grid;
  gap: 4rem;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.82fr);
  margin: 0 auto;
  max-width: 1120px;
  min-height: 100vh;
  padding: 7rem 2rem 5rem;
  position: relative;
  z-index: 1;
}

.hero-copy {
  max-width: 640px;
}

.eyebrow {
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  margin: 0 0 1rem;
  text-transform: uppercase;
}

h1 {
  color: var(--text);
  font-size: clamp(2.8rem, 7vw, 5.4rem);
  font-weight: 800;
  letter-spacing: 0;
  line-height: 1.08;
  margin: 0;
  max-width: 760px;
}

.hero-lede {
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.8;
  margin: 1.5rem 0 0;
  max-width: 620px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2.2rem;
}

.button {
  align-items: center;
  border-radius: 999px;
  display: inline-flex;
  font-size: 0.95rem;
  font-weight: 700;
  min-height: 48px;
  padding: 0 1.75rem;
  transition: background 0.2s, border-color 0.2s, filter 0.2s, transform 0.2s;
}

.button.primary {
  background: var(--accent);
  color: #fff;
}

.button.primary:hover {
  background: #6b9ffa;
  transform: translateY(-1px);
}

.button.secondary {
  border: 1px solid var(--border);
  color: var(--text);
}

.button.secondary:hover {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.18);
}

.viewer-preview {
  align-self: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  overflow: hidden;
  transition: border-color 0.2s, transform 0.2s;
}

.viewer-preview:hover {
  border-color: rgba(79, 142, 247, 0.32);
  transform: translateY(-3px);
}

.preview-topbar {
  align-items: center;
  border-bottom: 1px solid var(--border);
  display: flex;
  gap: 8px;
  padding: 13px 14px;
}

.dot {
  border-radius: 50%;
  height: 9px;
  width: 9px;
}

.dot.red { background: #ff5f57; }
.dot.yellow { background: #ffbd2e; }
.dot.green { background: #28c840; }

.preview-stage {
  align-items: center;
  aspect-ratio: 1.22;
  background: var(--surface-2);
  display: flex;
  justify-content: center;
  padding: 24px;
}

.preview-stage img {
  height: 100%;
  max-width: 100%;
}

.product-visual {
  border-radius: 24px;
  height: auto;
  max-height: 310px;
  object-fit: contain;
  width: min(78%, 320px);
}

.product-visual.compact {
  width: min(62%, 240px);
}

.company-stage {
  gap: 18px;
  justify-content: flex-start;
}

.company-mark {
  align-items: center;
  background: rgba(79, 142, 247, 0.14);
  border: 1px solid rgba(79, 142, 247, 0.28);
  border-radius: 18px;
  color: var(--accent);
  display: flex;
  flex: 0 0 auto;
  font-size: 44px;
  font-weight: 900;
  height: 112px;
  justify-content: center;
  width: 112px;
}

.company-mark.logo-tile {
  background: transparent;
  border: 0;
  border-radius: 24px;
  overflow: hidden;
}

.company-mark.logo-tile img {
  height: 100%;
  object-fit: cover;
  width: 100%;
}

.product-band {
  align-items: center;
  display: grid;
  gap: 2rem;
  grid-template-columns: minmax(0, 0.34fr) minmax(0, 1fr);
}

.product-logo-card {
  align-items: center;
  aspect-ratio: 1;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 28px;
  display: flex;
  justify-content: center;
  overflow: hidden;
  padding: 0;
}

.product-logo-card img {
  height: 100%;
  object-fit: cover;
  width: 100%;
}

.company-stage strong {
  display: block;
  font-size: 2rem;
  line-height: 1.05;
}

.company-stage span {
  color: var(--muted);
  display: block;
  font-size: 0.92rem;
  font-weight: 700;
  margin-top: 0.4rem;
}

.preview-meta {
  border-top: 1px solid var(--border);
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(3, 1fr);
  padding: 14px;
}

.metric {
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px;
}

.metric strong {
  display: block;
  font-size: 1.05rem;
}

.metric span {
  color: var(--muted);
  display: block;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  margin-top: 2px;
  text-transform: uppercase;
}

.section {
  margin: 0 auto;
  max-width: 1120px;
  padding: 5.5rem 2rem;
}

.section.compact {
  max-width: 860px;
  padding-top: 8rem;
}

.section-title {
  color: var(--text);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  letter-spacing: 0;
  line-height: 1.14;
  margin: 0;
}

.section-lede {
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.8;
  margin: 1rem 0 0;
  max-width: 700px;
}

.feature-grid {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 3rem;
}

.feature {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.8rem;
  transition: border-color 0.2s, transform 0.2s;
}

.feature:hover {
  border-color: rgba(79, 142, 247, 0.34);
  transform: translateY(-3px);
}

.feature-icon {
  align-items: center;
  background: rgba(167, 139, 250, 0.14);
  border-radius: 14px;
  color: var(--accent-2);
  display: inline-flex;
  font-size: 1.3rem;
  height: 52px;
  justify-content: center;
  min-width: 52px;
  padding: 0 0.7rem;
}

.feature h3 {
  color: var(--text);
  font-size: 1.05rem;
  font-weight: 700;
  margin: 1rem 0 0.5rem;
}

.feature p {
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.65;
  margin: 0;
}

.notice-band {
  margin-top: 3rem;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  border-top: 1px solid var(--border);
  color: var(--text);
  max-width: none;
}

.notice-band > * {
  margin-left: auto;
  margin-right: auto;
  max-width: 1120px;
}

.notice-band .section-lede {
  color: var(--muted);
}

.legal-card {
  background: rgba(79, 142, 247, 0.06);
  border: 1px solid rgba(79, 142, 247, 0.2);
  border-radius: var(--radius);
  margin-top: 1.75rem;
  padding: 1.5rem;
}

.legal-card p {
  color: var(--soft);
  line-height: 1.75;
  margin: 0;
}

.split {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 1fr 1fr;
}

.info-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-top: 1.2rem;
  padding: 1.6rem;
}

.panel-heading {
  align-items: center;
  display: flex;
  gap: 1rem;
  margin-bottom: 0.9rem;
}

.panel-icon {
  border-radius: 16px;
  flex: 0 0 auto;
  height: 64px;
  object-fit: cover;
  width: 64px;
}

.info-panel h2,
.info-panel h3 {
  color: var(--text);
  margin-top: 0;
}

.info-panel p,
.info-panel li {
  color: var(--soft);
  line-height: 1.8;
}

.site-footer {
  border-top: 1px solid var(--border);
  color: var(--muted);
  padding: 2rem;
}

.footer-inner {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
  margin: 0 auto;
  max-width: 1120px;
}

.footer-inner p {
  color: var(--muted);
  font-size: 0.82rem;
  margin: 0;
  width: 100%;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.footer-links a {
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 600;
}

.footer-links a:hover {
  color: var(--text);
}

.policy h1,
.policy h2 {
  color: var(--text);
}

.policy h1 {
  font-size: clamp(2rem, 5vw, 3.4rem);
}

.policy h2 {
  border-bottom: 1px solid var(--border);
  font-size: 1.12rem;
  margin-top: 2.4rem;
  padding-bottom: 0.55rem;
}

.policy p,
.policy li {
  color: var(--soft);
  line-height: 1.85;
}

.policy a {
  color: var(--accent);
}

.policy .updated {
  color: var(--accent);
  font-weight: 800;
}

@media (max-width: 820px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
    height: auto;
    gap: 0.9rem;
    padding: 0.9rem 1.25rem;
  }

  .nav-links {
    gap: 1rem;
    overflow-x: auto;
    padding-bottom: 0.1rem;
    width: 100%;
  }

  .hero-inner,
  .split,
  .feature-grid,
  .product-band {
    grid-template-columns: 1fr;
  }

  .hero-inner {
    gap: 2.5rem;
    padding: 8.5rem 1.25rem 4rem;
  }

  .section,
  .section.compact {
    padding-left: 1.25rem;
    padding-right: 1.25rem;
  }

  .viewer-preview {
    align-self: auto;
  }

  .company-stage {
    align-items: flex-start;
    flex-direction: column;
  }

  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }
}