:root {
  --bg: #ffffff;
  --bg-soft: #f5f8fa;
  --fg: #15232e;
  --fg-soft: #51626f;
  --accent: #0c8f9b;
  --accent-deep: #0a6f79;
  --brand-1: #0c6770;
  --brand-2: #0a4951;
  --border: #e2e9ed;
  --radius: 16px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  width: 100%;
  max-width: 46rem;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.nowrap { white-space: nowrap; }

/* Partner logo bar */
.topbar {
  background: #fff;
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--border);
}

.logos {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.75rem 2.75rem;
}

.logos img {
  width: auto;
  vertical-align: middle;
}

.logo-ns { height: 54px; }

/* Hero */
.hero {
  background: linear-gradient(155deg, var(--brand-1) 0%, var(--brand-2) 100%);
  color: #fff;
  padding: 4.5rem 0 4.75rem;
  text-align: center;
}

.kicker {
  font-size: 1rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.82);
  max-width: 38rem;
  margin: 0 auto 1.4rem;
}

.kicker-link {
  color: inherit;
  text-underline-offset: 2px;
}

.hero h1 {
  font-size: clamp(2.4rem, 6vw, 3.6rem);
  font-weight: 800;
  line-height: 1.08;
  margin: 0 auto 2.25rem;
  max-width: 18ch;
  letter-spacing: -0.025em;
}

.cta-row {
  display: flex;
  gap: 0.85rem;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 0.85rem 1.7rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  transition: transform 0.12s ease, background 0.12s ease, box-shadow 0.12s ease;
}

.btn:active { transform: translateY(1px); }

.btn-primary {
  background: #fff;
  color: var(--brand-1);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.18);
}

.btn-primary:hover { background: #f0fbfb; }

.btn-ghost {
  border: 1.5px solid rgba(255, 255, 255, 0.55);
  color: #fff;
}

.btn-ghost:hover { background: rgba(255, 255, 255, 0.14); }

/* Sections */
main.wrap { padding-top: 4rem; padding-bottom: 4rem; }

section + section { margin-top: 3rem; }

h2 {
  font-size: 1.6rem;
  letter-spacing: -0.01em;
  margin: 0 0 1.25rem;
}

.about p { font-size: 1.1rem; color: var(--fg-soft); }
.about strong { color: var(--fg); }

a { color: var(--accent); }
.about a { font-weight: 600; }

/* Callout */
.callout {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem 2rem;
}

.callout > p {
  margin: 0 0 1rem;
  color: var(--fg-soft);
}

.callout > p strong { color: var(--fg); }

.callout ol {
  margin: 0;
  padding-left: 1.25rem;
  color: var(--fg-soft);
}

.callout li { margin: 0.5rem 0; }

/* FAQ */
.faq details {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 0.75rem;
  background: var(--bg);
  overflow: hidden;
}

.faq summary {
  cursor: pointer;
  padding: 1.1rem 1.25rem;
  font-weight: 600;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.faq summary::-webkit-details-marker { display: none; }

.faq summary::after {
  content: "+";
  font-size: 1.4rem;
  color: var(--accent);
  transition: transform 0.2s ease;
  line-height: 1;
}

.faq details[open] summary::after { transform: rotate(45deg); }

.faq .answer {
  padding: 0 1.25rem 1.1rem;
  color: var(--fg-soft);
}

.faq .answer p { margin: 0.5rem 0; }

.faq-footnote {
  margin: 1.5rem 0 0;
  text-align: center;
  color: var(--fg-soft);
}

.soon {
  font-weight: 600;
  color: var(--accent);
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 2.5rem 0;
  background: var(--bg-soft);
}

.disclaimer {
  font-size: 0.85rem;
  color: var(--fg-soft);
  margin: 0;
  text-align: center;
}