*,
*::before,
*::after { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #020617;
  color: #e5e7eb;
}

body.landing {
  background: radial-gradient(circle at top, #16a34a, #020617 55%, #000000);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 5vw;
}

.logo {
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #facc15;
}
.logo span {
  color: #22c55e;
}

nav a {
  margin: 0 0.8rem;
  color: #e5e7eb;
  text-decoration: none;
  font-size: 0.9rem;
}
nav a:hover { color: #bbf7d0; }

.hero {
  flex: 1;
  display: flex;
  align-items: center;
  padding: 3rem 5vw;
}

.hero-content {
  max-width: 520px;
}

.hero h1 {
  font-size: clamp(2.2rem, 3.8vw, 3.4rem);
  margin-bottom: 1rem;
}

.hero p {
  color: #cbd5f5;
  margin-bottom: 1.3rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.5rem;
  border-radius: 999px;
  border: 1px solid transparent;
  text-decoration: none;
  font-size: 0.95rem;
  cursor: pointer;
}

.btn.primary {
  background: linear-gradient(to right, #22c55e, #facc15);
  color: #020617;
  font-weight: 600;
}

.btn.ghost {
  border-color: rgba(148,163,184,0.6);
  color: #e5e7eb;
  background: transparent;
}

.footer {
  padding: 1rem 5vw;
  font-size: 0.8rem;
  color: #9ca3af;
  border-top: 1px solid rgba(15,23,42,0.9);
}

@media (max-width: 768px) {
  nav { display: none; }
  .topbar { padding-inline: 1.25rem; }
  .hero { padding-inline: 1.25rem; }
}