:root {
  color-scheme: light;
  --ink: #102033;
  --muted: #5f6f84;
  --line: #dfeaf5;
  --soft: #f7fbff;
  --cyan: #06b6d4;
  --blue: #2563eb;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 0%, rgba(6, 182, 212, 0.18), transparent 34%),
    linear-gradient(180deg, #f7fcff 0%, #eef5fb 100%);
  font-family: Inter, "Noto Sans", "Noto Sans SC", "Noto Sans JP", "Noto Sans KR", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
}

a {
  color: #0e7490;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.page {
  max-width: 1100px;
  margin: 0 auto;
  padding: 28px 20px 56px;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 42px;
}

.brand {
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.langs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.langs a,
.pill {
  border: 1px solid rgba(6, 182, 212, 0.2);
  border-radius: 999px;
  padding: 7px 11px;
  background: rgba(255, 255, 255, 0.74);
  color: #0e7490;
  font-size: 13px;
  font-weight: 700;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
  gap: 28px;
  align-items: center;
  padding: 42px;
  border: 1px solid rgba(223, 234, 245, 0.95);
  border-radius: 32px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 24px 70px rgba(37, 99, 235, 0.1);
}

.eyebrow {
  display: inline-flex;
  margin: 0 0 14px;
  color: #0e7490;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(34px, 6vw, 62px);
  line-height: 1.04;
  letter-spacing: -0.055em;
}

.lead {
  margin: 20px 0 0;
  color: var(--muted);
  font-size: 18px;
  max-width: 720px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  color: white;
  font-weight: 800;
  box-shadow: 0 14px 30px rgba(6, 182, 212, 0.22);
}

.button.secondary {
  background: #fff;
  color: #0e7490;
  border: 1px solid rgba(6, 182, 212, 0.25);
  box-shadow: none;
}

.panel {
  border: 1px solid var(--line);
  border-radius: 24px;
  background: linear-gradient(180deg, #ffffff, var(--soft));
  padding: 24px;
}

.panel h2 {
  margin-top: 0;
}

.checklist {
  display: grid;
  gap: 10px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.checklist li {
  padding-left: 26px;
  position: relative;
}

.checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 26px;
}

.card {
  min-height: 180px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.88);
}

.card h2,
.card h3 {
  margin: 0 0 8px;
}

.card p {
  margin: 0;
  color: var(--muted);
}

.section {
  margin-top: 38px;
}

.section h2 {
  margin-bottom: 12px;
  font-size: 28px;
  letter-spacing: -0.03em;
}

.faq {
  display: grid;
  gap: 12px;
}

.faq details {
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.9);
}

.faq summary {
  cursor: pointer;
  font-weight: 800;
}

.faq p {
  margin-bottom: 0;
  color: var(--muted);
}

.footer {
  margin-top: 46px;
  color: var(--muted);
  font-size: 13px;
}

@media (max-width: 820px) {
  .nav,
  .hero {
    display: block;
  }

  .langs {
    margin-top: 14px;
  }

  .hero {
    padding: 28px 22px;
  }

  .panel {
    margin-top: 24px;
  }

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