:root {
  --ink: #0A1628;
  --body: #5A6F9F;
  --coral: #FF553D;
  --white: #FFFFFF;
  --partner: #F5F9FF;
  --border: #E8EDF3;
  --max: 1440px;
  --pad-x: 64px;
  --font: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--white);
  line-height: 1.4;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; height: auto; }
h1, h2, p { margin: 0; }

.wrap { max-width: var(--max); margin: 0 auto; padding-left: var(--pad-x); padding-right: var(--pad-x); }

/* Focus */
a:focus-visible { outline: 3px solid var(--coral); outline-offset: 4px; border-radius: 4px; }

/* Brand header */
.brand { padding-top: 40px; }
.wordmark { width: 196px; height: auto; }
.wordmark.small { width: 120px; }

/* Hero */
.hero { padding: 56px 0 72px; }
.hero-grid {
  display: grid;
  grid-template-columns: 50fr 50fr;
  gap: 40px;
  align-items: center;
}
h1 {
  font-size: clamp(44px, 4.6vw, 68px);
  font-weight: 800;
  line-height: 1.04;
  letter-spacing: -0.04em;
}
.dot { color: var(--coral); }
.sub {
  color: var(--body);
  font-size: clamp(20px, 1.65vw, 28px);
  line-height: 1.4;
  margin-top: 28px;
  max-width: 24em;
}
.prelaunch {
  color: var(--body);
  font-size: clamp(18px, 1.35vw, 22px);
  margin-top: 28px;
}
.hero-visual img { width: 100%; height: auto; }

/* Partners band */
.partners { background: var(--partner); padding: 72px 0; }
.partners h2 {
  font-size: clamp(44px, 4.6vw, 72px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.035em;
}
.partners .sub { margin-top: 18px; max-width: 30em; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  margin-top: 32px;
  background: var(--coral);
  color: var(--white);
  text-decoration: none;
  font-weight: 500;
  font-size: 22px;
  padding: 16px 32px;
  border-radius: 8px;
}
.btn:hover { background: #ea4a33; }
.btn .arrow { font-size: 1.15em; line-height: 1; }

/* Footer */
.footer { padding: 40px 0 44px; }
.footer-grid {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}
.footer-left { display: flex; align-items: center; gap: 40px; flex-wrap: wrap; }
.copyright { color: var(--body); font-size: 15px; }
.footer-right { display: flex; align-items: center; gap: 28px; }
.footer-right a { display: inline-flex; }
.sep { width: 1px; height: 32px; background: var(--border); }
.sv { width: 128px; height: auto; }

/* Motion */
@media (prefers-reduced-motion: no-preference) {
  .hero-copy, .hero-visual { animation: rise .5s ease-out both; }
  .hero-visual { animation-delay: .08s; }
  @keyframes rise { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
}

/* Mobile */
@media (max-width: 820px) {
  :root { --pad-x: 24px; }
  .brand { padding-top: 28px; }
  .wordmark { width: 150px; }
  .hero { padding: 36px 0 48px; }
  .hero-grid { grid-template-columns: 1fr; gap: 36px; }
  h1 { font-size: clamp(32px, 9vw, 48px); }
  .sub { font-size: 20px; margin-top: 20px; }
  .prelaunch { font-size: 18px; margin-top: 20px; }
  .partners { padding: 44px 0 48px; }
  .partners h2 { font-size: clamp(40px, 10.5vw, 56px); }
  .btn { font-size: 20px; padding: 14px 28px; margin-top: 24px; }
  .footer { padding: 32px 0 36px; }
  .footer-grid { flex-direction: column; align-items: flex-start; gap: 22px; }
  .footer-left { flex-direction: column; align-items: flex-start; gap: 12px; }
  .sv { width: 108px; }
}
