:root {
  --bg: #f7f9fc;
  --card: #ffffff;
  --text: #172033;
  --muted: #65728a;
  --line: #e4e9f2;
  --brand: #2f66ff;
  --brand-dark: #153ec7;
  --soft: #edf3ff;
  --accent: #121826;
  --radius: 20px;
  --shadow: 0 18px 45px rgba(31, 46, 78, 0.10);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans", "Noto Sans KR", "Hiragino Sans", "Yu Gothic", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.72;
}

a {
  color: var(--brand-dark);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(16px);
  background: rgba(247, 249, 252, 0.86);
  border-bottom: 1px solid rgba(228, 233, 242, 0.75);
}

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

.logo-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
}

.logo-mark {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: linear-gradient(135deg, #2f66ff, #77a6ff);
  display: grid;
  place-items: center;
  color: #fff;
  font-weight: 800;
  letter-spacing: -0.03em;
  box-shadow: 0 12px 24px rgba(47, 102, 255, 0.24);
}

.logo-title {
  display: block;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.logo-subtitle {
  display: block;
  font-size: 12px;
  color: var(--muted);
  margin-top: -3px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 14px;
  font-weight: 700;
}

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

.hero {
  position: relative;
  overflow: hidden;
  padding: 86px 0 64px;
}

.hero::before,
.hero::after {
  content: "";
  position: absolute;
  border-radius: 999px;
  background: rgba(47, 102, 255, 0.12);
  filter: blur(3px);
  z-index: -1;
}

.hero::before {
  width: 480px;
  height: 480px;
  top: -170px;
  right: -160px;
}

.hero::after {
  width: 340px;
  height: 340px;
  bottom: -160px;
  left: -120px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: center;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  border-radius: 999px;
  background: var(--soft);
  color: var(--brand-dark);
  font-size: 13px;
  font-weight: 800;
  margin-bottom: 18px;
}

h1, h2, h3 {
  line-height: 1.18;
  letter-spacing: -0.045em;
  margin: 0;
}

h1 {
  font-size: clamp(42px, 7vw, 72px);
}

h2 {
  font-size: clamp(30px, 4vw, 46px);
  margin-bottom: 16px;
}

h3 {
  font-size: 21px;
  margin-bottom: 8px;
}

.lead {
  font-size: clamp(17px, 2vw, 21px);
  color: var(--muted);
  margin: 24px 0 0;
  max-width: 680px;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 14px;
  font-weight: 800;
  border: 1px solid var(--line);
  color: var(--text);
  background: #fff;
}

.button.primary {
  background: var(--brand);
  border-color: var(--brand);
  color: #fff;
  box-shadow: 0 14px 24px rgba(47, 102, 255, 0.24);
}

.hero-card {
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid var(--line);
  border-radius: 28px;
  padding: 28px;
  box-shadow: var(--shadow);
}

.info-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
}

.info-table th,
.info-table td {
  text-align: left;
  vertical-align: top;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.info-table tr:last-child th,
.info-table tr:last-child td {
  border-bottom: 0;
}

.info-table th {
  width: 42%;
  color: var(--muted);
  font-weight: 800;
}

.subtext {
  color: var(--muted);
  font-size: 13px;
}

section {
  padding: 64px 0;
}

.section-head {
  max-width: 760px;
  margin-bottom: 28px;
}

.section-head p {
  margin: 0;
  color: var(--muted);
  font-size: 17px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.card,
.app-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: 0 12px 30px rgba(31, 46, 78, 0.06);
}

.card p,
.app-card p {
  color: var(--muted);
  margin: 10px 0 0;
}

.app-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.app-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.app-top {
  display: flex;
  gap: 14px;
  align-items: center;
}

.app-icon {
  flex: 0 0 auto;
  width: 64px;
  height: 64px;
  border-radius: 18px;
  object-fit: cover;
  display: block;
  border: 1px solid rgba(228, 233, 242, 0.9);
  box-shadow: 0 10px 22px rgba(31, 46, 78, 0.10);
}

.app-card h3 {
  letter-spacing: -0.03em;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 6px;
}

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  background: #f4f7fb;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}


.app-card .availability {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  margin-top: 0;
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--soft);
  color: var(--brand-dark);
  font-size: 13px;
  font-weight: 800;
}

.app-actions {
  margin-top: auto;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.text-page {
  padding: 64px 0;
}

.text-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 26px;
  box-shadow: var(--shadow);
  padding: clamp(24px, 5vw, 50px);
}

.text-card h1 {
  font-size: clamp(34px, 5vw, 52px);
  margin-bottom: 14px;
}

.text-card h2 {
  font-size: 26px;
  margin-top: 36px;
  margin-bottom: 8px;
}

.text-card p,
.text-card li {
  color: var(--muted);
}

.notice {
  background: #fff9e9;
  border: 1px solid #f1d993;
  border-radius: 18px;
  padding: 16px 18px;
  color: #6d571f;
}

.cta {
  background: var(--accent);
  color: #fff;
  border-radius: 28px;
  padding: clamp(26px, 5vw, 44px);
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 24px;
  align-items: center;
}

.cta p {
  color: rgba(255, 255, 255, 0.72);
  margin: 12px 0 0;
}

.cta .button {
  justify-self: end;
  border-color: rgba(255,255,255,0.18);
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 12px;
}

.cta-actions .button {
  justify-self: auto;
}

.site-footer {
  padding: 36px 0 48px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}

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

.footer-links {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--muted);
  font-weight: 700;
}

@media (max-width: 860px) {
  .hero-grid,
  .cta {
    grid-template-columns: 1fr;
  }

  .nav {
    align-items: flex-start;
    padding: 14px 0;
    flex-direction: column;
  }

  .nav-links {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 4px;
  }

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

  .cta .button {
    justify-self: start;
  }

  .cta-actions {
    justify-content: flex-start;
  }
}