:root {
  --bg: #050816;
  --bg-alt: #0b1020;
  --accent: #5865f2;
  --accent-soft: rgba(88, 101, 242, 0.15);
  --text: #f9fafb;
  --muted: #9ca3af;
  --border: #1f2933;
  --radius: 10px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: radial-gradient(circle at top, #111827 0, #020617 45%, #000 100%);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.hero {
  padding: 4rem 1.5rem 3rem;
  text-align: center;
}

.hero-inner {
  max-width: 800px;
  margin: 0 auto;
}

.hero h1 {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  margin-bottom: 0.75rem;
}

.subtitle {
  color: var(--muted);
  font-size: 1rem;
  margin-bottom: 1.75rem;
}

.hero-buttons {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn {
  padding: 0.75rem 1.5rem;
  border-radius: 999px;
  border: 1px solid transparent;
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, border-color 0.15s ease;
  cursor: pointer;
}

.btn.primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 10px 30px rgba(88, 101, 242, 0.4);
}

.btn.primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 40px rgba(88, 101, 242, 0.6);
}

.btn.ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}

.btn.ghost:hover {
  background: var(--accent-soft);
  border-color: var(--accent);
}

main {
  flex: 1;
  padding: 0 1.5rem 3rem;
}

.section {
  max-width: 900px;
  margin: 0 auto 2.5rem;
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.9), rgba(15, 23, 42, 0.6));
  border-radius: var(--radius);
  border: 1px solid rgba(148, 163, 184, 0.15);
  padding: 1.75rem 1.5rem;
  box-shadow: 0 18px 45px rgba(15, 23, 42, 0.7);
  backdrop-filter: blur(16px);
}

.section h2 {
  font-size: 1.4rem;
  margin-bottom: 0.75rem;
}

.section p {
  color: var(--muted);
  line-height: 1.6;
  margin-bottom: 0.75rem;
}

.feature-list {
  list-style: none;
  margin-top: 0.5rem;
}

.feature-list li {
  margin-bottom: 0.5rem;
  color: var(--muted);
}

.feature-list strong {
  color: var(--text);
}

.placeholder {
  font-style: italic;
  color: var(--muted);
}

.footer {
  text-align: center;
  padding: 1.5rem;
  color: var(--muted);
  font-size: 0.85rem;
  border-top: 1px solid rgba(15, 23, 42, 0.9);
  background: radial-gradient(circle at bottom, #020617 0, #000 60%);
}

.footer-links {
  margin-top: 0.5rem;
  display: flex;
  justify-content: center;
  gap: 1.5rem;
}

.footer-link {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
}

.footer-link:hover {
  color: var(--text);
  text-decoration: underline;
}

@media (max-width: 640px) {
  .section {
    padding: 1.5rem 1.25rem;
  }
}