* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, "Noto Sans KR", sans-serif;
  color: #111827;
  background: #ffffff;
  line-height: 1.6;
}

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

.container {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid #eceff3;
}

.nav {
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  font-weight: 800;
  letter-spacing: 0.08em;
}

nav {
  display: flex;
  gap: 24px;
  font-size: 14px;
  color: #4b5563;
}

.hero {
  min-height: 72vh;
  display: flex;
  align-items: center;
  background:
    radial-gradient(circle at top right, rgba(59,130,246,.12), transparent 32%),
    linear-gradient(180deg, #f8fbff 0%, #ffffff 100%);
}

.hero-inner {
  padding: 96px 0;
}

.eyebrow,
.section-label {
  margin: 0 0 14px;
  color: #2563eb;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .12em;
}

h1 {
  margin: 0;
  font-size: clamp(42px, 7vw, 78px);
  line-height: 1.06;
  letter-spacing: -0.05em;
}

.hero-copy {
  max-width: 620px;
  margin: 28px 0 34px;
  font-size: 19px;
  color: #4b5563;
}

.button {
  display: inline-block;
  padding: 13px 22px;
  border-radius: 10px;
  background: #111827;
  color: #ffffff;
  font-weight: 700;
}

.section {
  padding: 100px 0;
}

.section h2 {
  margin: 0 0 36px;
  font-size: clamp(30px, 5vw, 48px);
  letter-spacing: -0.04em;
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.card {
  padding: 28px;
  border: 1px solid #e5e7eb;
  border-radius: 18px;
  background: #ffffff;
}

.card span {
  font-size: 12px;
  color: #9ca3af;
}

.card h3 {
  margin: 18px 0 8px;
  font-size: 21px;
}

.card p {
  margin: 0;
  color: #6b7280;
}

.section-dark {
  background: #111827;
  color: #ffffff;
}

.section-dark .section-label {
  color: #93c5fd;
}

.company {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 72px;
}

.company-info {
  margin: 0;
}

.company-info div {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 20px;
  padding: 18px 0;
  border-bottom: 1px solid rgba(255,255,255,.12);
}

.company-info dt {
  color: #9ca3af;
}

.company-info dd {
  margin: 0;
}

.contact-copy {
  max-width: 620px;
  color: #6b7280;
}

.contact-box {
  margin-top: 28px;
  padding: 24px;
  border: 1px solid #e5e7eb;
  border-radius: 18px;
}

.contact-box > div + div {
  margin-top: 18px;
}

.contact-box small {
  color: #9ca3af;
}

.contact-box p {
  margin: 3px 0 0;
  font-weight: 700;
}

.privacy-link {
  margin-top: 26px;
  font-size: 14px;
  text-decoration: underline;
}

footer {
  border-top: 1px solid #eceff3;
  padding: 26px 0;
  color: #6b7280;
  font-size: 13px;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 20px;
}

.policy {
  max-width: 820px;
  padding-top: 80px;
  padding-bottom: 100px;
}

.policy h1 {
  font-size: 42px;
  margin-bottom: 10px;
}

.policy h2 {
  margin-top: 36px;
  font-size: 22px;
}

.policy p,
.policy li {
  color: #4b5563;
}

.policy .back {
  display: inline-block;
  margin-bottom: 36px;
  color: #2563eb;
}

@media (max-width: 760px) {
  nav {
    display: none;
  }

  .hero-inner {
    padding: 72px 0;
  }

  .section {
    padding: 72px 0;
  }

  .grid,
  .company {
    grid-template-columns: 1fr;
  }

  .company {
    gap: 28px;
  }

  .company-info div {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .footer-inner {
    flex-direction: column;
  }
}