body {
  margin: 0;
  /* Let .hero control height; avoid stacking with header padding */
  background: radial-gradient(circle at top, #ffffff 0%, #f5f5f7 60%, #ebebef 100%);
  color: #1d1d1f;
}

.hero {
  max-width: 760px;
  margin: 0 auto;
  padding: 2rem;
  /* Fill viewport minus fixed header and footer to prevent stray scrollbars */
  min-height: calc(100svh - var(--header-h) - var(--footer-h));
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

h1 {
  margin: 1.5rem 0 1rem;
  font-size: clamp(2.4rem, 6vw, 3.8rem);
  font-weight: 600;
  letter-spacing: -0.02em;
}

p { color: rgba(29, 29, 31, 0.75); font-size: clamp(1.05rem, 3vw, 1.25rem); line-height: 1.6; margin: 0 auto 1.75rem; }

.hero__cta { display: inline-flex; gap: 0.75rem; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.7rem 1.4rem;
  border-radius: 999px;
  border: 1px solid rgba(29, 29, 31, 0.15);
  background: #1d1d1f;
  color: #fff;
  font-size: 1rem;
  font-weight: 500;
  text-decoration: none;
  transition: transform 180ms ease, box-shadow 180ms ease;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.08);
}

.btn:hover { transform: translateY(-1px); box-shadow: 0 16px 35px rgba(0, 0, 0, 0.12); }

.btn--ghost { background: transparent; color: #1d1d1f; }

@media (prefers-color-scheme: dark) {
  body { background: linear-gradient(160deg, #1d1d1f 0%, #2b2b30 100%); color: #f5f5f7; }
  p { color: rgba(245, 245, 247, 0.75); }
  .btn { background: #f5f5f7; color: #1d1d1f; box-shadow: 0 12px 30px rgba(0,0,0,0.35); }
  .btn--ghost { background: transparent; color: #f5f5f7; border-color: rgba(245,245,247,0.35); }
}