:root {
  --blue: #2563EB;
  --blue-dark: #1D4ED8;
  --ink: #0F172A;
  --muted: #475569;
  --bg: #FFFFFF;
  --bg-soft: #F8FAFF;
  --border: #E2E8F0;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.5;
}

.wrap {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 24px;
}

.nav {
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: rgba(255,255,255,.9);
  backdrop-filter: blur(8px);
  z-index: 10;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.wordmark {
  font-weight: 700;
  font-size: 20px;
  letter-spacing: -0.02em;
}

.nav-cta {
  color: var(--blue);
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
}

.hero {
  padding: 96px 0 72px;
  text-align: center;
}

.hero h1 {
  font-size: clamp(32px, 5vw, 52px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0 0 20px;
}

.accent { color: var(--blue); }

.lede {
  max-width: 560px;
  margin: 0 auto;
  color: var(--muted);
  font-size: 18px;
}

.hero-actions {
  margin-top: 32px;
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
}

.btn-primary {
  background: var(--blue);
  color: #fff;
}
.btn-primary:hover { background: var(--blue-dark); }

.btn-ghost {
  color: var(--ink);
  border: 1px solid var(--border);
}
.btn-ghost:hover { border-color: var(--blue); color: var(--blue); }

.features {
  background: var(--bg-soft);
  padding: 72px 0;
}

.features .wrap {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.feature h3 {
  font-size: 18px;
  margin: 0 0 8px;
}

.feature p {
  color: var(--muted);
  margin: 0;
  font-size: 15px;
}

.notify {
  padding: 96px 0;
  text-align: center;
}

.notify h2 {
  font-size: 28px;
  margin: 0 0 8px;
}

.notify p {
  color: var(--muted);
  margin: 0 0 28px;
}

.footer {
  border-top: 1px solid var(--border);
  padding: 24px 0;
}

.footer .wrap {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  color: var(--muted);
}

.footer a { color: var(--muted); }

@media (max-width: 640px) {
  .features .wrap { grid-template-columns: 1fr; }
}