:root {
  --bg: #080810;
  --card: #0b0b14;
  --line: rgba(22, 202, 174, 0.22);
  --cyan: #00e5cc;
  --yellow: #ff0;
  --muted: #a7a9c2;
  --text: #f5f5f8;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
}

a {
  color: var(--cyan);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.landing {
  position: relative;
  padding: 5rem 1.5rem 4rem;
  background:
    radial-gradient(ellipse 80% 50% at 20% 0%, rgba(0, 229, 204, 0.12), transparent 55%),
    radial-gradient(ellipse 60% 40% at 85% 20%, rgba(255, 255, 0, 0.06), transparent 50%),
    var(--bg);
}

.wrap {
  max-width: 1100px;
  margin: 0 auto;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  border: 1px solid rgba(0, 229, 204, 0.35);
  color: var(--cyan);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1 {
  margin: 1.25rem 0 1rem;
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 900;
  line-height: 1.08;
}

h1 .grad {
  background: linear-gradient(135deg, var(--cyan), var(--yellow));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lead {
  max-width: 52ch;
  color: var(--muted);
  font-size: 1.15rem;
  line-height: 1.65;
  margin: 0 0 1.75rem;
}

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
  max-width: 520px;
}

.stat {
  padding: 1rem;
  border-radius: 1rem;
  border: 1px solid var(--line);
  background: rgba(11, 11, 20, 0.85);
}

.stat b {
  display: block;
  font-size: 1.75rem;
  font-weight: 900;
  color: var(--cyan);
}

.stat span {
  font-size: 0.8rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.9rem 1.4rem;
  border-radius: 1rem;
  font-weight: 800;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.2s ease;
  text-decoration: none;
}

.btn:hover {
  transform: translateY(-2px);
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--cyan), #16caae);
  color: #080810;
  box-shadow: 0 12px 40px rgba(0, 229, 204, 0.25);
}

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

.hint {
  margin-top: 1.25rem;
  font-size: 0.85rem;
  color: var(--muted);
}

.hint code {
  color: var(--cyan);
  font-size: 0.8em;
}

.demo-section {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 2.5rem 1.5rem 3rem;
  background: #05050c;
}

.demo-head {
  max-width: 1100px;
  margin: 0 auto 1.25rem;
}

.demo-head h2 {
  margin: 0 0 0.5rem;
  font-size: 1.5rem;
  font-weight: 800;
}

.demo-head p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
  max-width: 60ch;
}

.demo-panel {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.75rem 1.5rem;
  border-radius: 1.25rem;
  border: 1px solid rgba(0, 255, 224, 0.2);
  background: rgba(11, 11, 20, 0.6);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
}

.demo-panel p {
  margin: 0 0 1rem;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.55;
  max-width: 65ch;
}

.demo-panel .btn {
  width: 100%;
  max-width: 320px;
}

@media (max-width: 640px) {
  .demo-panel .btn {
    max-width: none;
  }
}