:root {
  --bg: #080d1a;
  --bg-soft: #0d1528;
  --text: #e7ecf5;
  --muted: #adb8cb;
  --line: #1d2a42;
  --accent: #4f8cff;
  --accent-strong: #2f73f0;
  --surface: #111a30;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Inter", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  color: var(--text);
  background: radial-gradient(circle at top, #13203d 0%, var(--bg) 42%);
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

.hero {
  padding: 1.25rem 1rem 4rem;
  max-width: 1120px;
  margin: 0 auto;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 3.5rem;
}

.brand {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.nav-cta {
  font-size: 0.9rem;
  font-weight: 600;
  padding: 0.45rem 0.8rem;
  border: 1px solid var(--line);
  border-radius: 999px;
}

.hero-content h1 {
  margin: 0;
  font-size: clamp(2rem, 5.6vw, 3.75rem);
  line-height: 1.15;
  max-width: 16ch;
}

.eyebrow {
  color: var(--muted);
  margin: 0 0 0.75rem;
  font-weight: 500;
}

.lede {
  margin: 1rem 0 1.5rem;
  max-width: 62ch;
  color: #c8d4e8;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.button {
  display: inline-block;
  padding: 0.72rem 1rem;
  border-radius: 0.6rem;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
}

.button-primary {
  background: var(--accent);
}

.button-primary:hover {
  background: var(--accent-strong);
}

.button-secondary {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.02);
}

.credibility {
  margin-top: 1rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.section {
  border-top: 1px solid var(--line);
}

.section-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 3.2rem 1rem;
}

.section h2 {
  margin-top: 0;
  font-size: clamp(1.5rem, 4vw, 2rem);
  line-height: 1.2;
}

.section p {
  max-width: 72ch;
  color: #cfdaeb;
}

.section-alt {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0));
}

ul {
  padding-left: 1.2rem;
  margin: 1rem 0 0;
}

li {
  margin: 0.75rem 0;
  color: #cfdaeb;
}

.grid {
  display: grid;
  gap: 0.85rem;
}

.card {
  border: 1px solid var(--line);
  border-radius: 0.9rem;
  padding: 1rem;
  background: var(--surface);
}

.card h3 {
  margin: 0 0 0.4rem;
  font-size: 1.02rem;
}

.card p {
  margin: 0;
  font-size: 0.95rem;
}

.section-cta {
  text-align: left;
}

.waitlist-form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 1rem;
  max-width: 520px;
}

.waitlist-form input,
.waitlist-form button {
  width: 100%;
  font: inherit;
  border-radius: 0.55rem;
  border: 1px solid var(--line);
}

.waitlist-form input {
  background: #0b1222;
  color: var(--text);
  padding: 0.72rem 0.8rem;
}

.waitlist-form button {
  background: var(--accent);
  color: white;
  padding: 0.72rem 1rem;
  border: none;
  cursor: pointer;
  font-weight: 600;
}

.fineprint {
  margin-top: 0.7rem;
  color: var(--muted);
  font-size: 0.86rem;
}

.footer {
  border-top: 1px solid var(--line);
  padding: 1.2rem 1rem 2.2rem;
  max-width: 1120px;
  margin: 0 auto;
  display: flex;
  gap: 0.5rem 1rem;
  flex-wrap: wrap;
  justify-content: space-between;
  color: var(--muted);
  font-size: 0.9rem;
}

.footer-links {
  display: flex;
  gap: 1rem;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (min-width: 760px) {
  .hero {
    padding: 2rem 1.5rem 5rem;
  }

  .section-inner {
    padding: 4.2rem 1.5rem;
  }

  .grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
  }

  .waitlist-form {
    flex-direction: row;
  }

  .waitlist-form input {
    flex: 1;
  }

  .waitlist-form button {
    width: auto;
    padding-inline: 1.25rem;
  }
}