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

:root {
  --bg: #0b0d14;
  --panel: #141824;
  --text: #e8eaf0;
  --muted: #9aa1b3;
  --accent: #7c6cff;
  --accent-2: #4cc9ff;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

.nav {
  display: flex;
  align-items: center;
  gap: 2rem;
  padding: 1.25rem 2rem;
  max-width: 1100px;
  margin: 0 auto;
}

.logo {
  font-weight: 800;
  font-size: 1.25rem;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-right: auto;
}

.nav nav {
  display: flex;
  gap: 1.5rem;
}

.nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
}

.nav a:hover {
  color: var(--text);
}

.btn {
  display: inline-block;
  padding: 0.6rem 1.2rem;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform 0.15s ease, box-shadow 0.2s ease;
}

.btn-primary {
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  color: #fff;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(124, 108, 255, 0.35);
}

.btn-ghost {
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--text);
}

.btn-ghost:hover {
  border-color: var(--muted);
}

.btn-lg {
  padding: 0.85rem 1.8rem;
  font-size: 1.05rem;
}

.hero {
  text-align: center;
  padding: 6rem 2rem 4rem;
  max-width: 800px;
  margin: 0 auto;
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.hero h1 em {
  font-style: normal;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero p {
  color: var(--muted);
  font-size: 1.2rem;
  max-width: 560px;
  margin: 1.5rem auto;
}

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

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  max-width: 1100px;
  margin: 2rem auto 0;
  padding: 0 2rem;
}

.card {
  background: var(--panel);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 16px;
  padding: 1.75rem;
}

.card .icon {
  font-size: 1.75rem;
}

.card h3 {
  margin: 0.75rem 0 0.4rem;
  font-size: 1.15rem;
}

.card p {
  color: var(--muted);
  font-size: 0.95rem;
}

.cta {
  text-align: center;
  max-width: 600px;
  margin: 5rem auto;
  padding: 3rem 2rem;
  background: var(--panel);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 20px;
}

.cta h2 {
  font-size: 2rem;
}

.cta p {
  color: var(--muted);
  margin: 0.75rem 0 1.75rem;
}

footer {
  text-align: center;
  padding: 2rem;
  color: var(--muted);
  font-size: 0.85rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

@media (max-width: 640px) {
  .nav nav {
    display: none;
  }
}