:root {
  --bg: #0b0b0b;
  --panel: #161616;
  --card: #1f1f1f;
  --muted: #9aa0a6;
  --accent: #04b404;
}

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

body {
  font-family: Inter, system-ui, -apple-system, "Segoe UI",
               Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: #eaeaea;
  line-height: 1.6;
}

.container {
  max-width: 1200px;
  margin: auto;
  padding: 0 20px;
}

/* Header */
.header {
  background: rgba(0,0,0,.6);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 100;
}

.logo img {
  height: 36px;
}

.nav a {
  margin-left: 20px;
  color: #fff;
  text-decoration: none;
  font-weight: 500;
}

.btn-outline {
  border: 1px solid var(--accent);
  padding: 8px 14px;
  border-radius: 8px;
}

/* Hero */
.hero {
  padding: 80px 0;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
}

.hero h1 {
  font-size: 3rem;
  font-weight: 800;
}

.hero p {
  margin-top: 16px;
  color: var(--muted);
}

.hero-actions {
  margin-top: 28px;
  display: flex;
  gap: 14px;
}

.hero-card {
  background: var(--card);
  border-radius: 16px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* Buttons */
.btn-primary {
  background: var(--accent);
  color: #fff;
  padding: 12px 20px;
  border-radius: 10px;
  font-weight: 600;
  text-decoration: none;
}

.btn-secondary {
  border: 1px solid rgba(255,255,255,.2);
  padding: 12px 20px;
  border-radius: 10px;
  color: #fff;
  text-decoration: none;
}

/* Sections */
.section {
  padding: 80px 0;
}

.section-dark {
  background: #0f0f0f;
}

.section h2 {
  font-size: 2.2rem;
  margin-bottom: 12px;
}

.section-subtitle {
  color: var(--muted);
  margin-bottom: 40px;
}

/* Features */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 20px;
}

.feature-card {
  background: var(--card);
  padding: 24px;
  border-radius: 14px;
  font-weight: 600;
}

/* Plans */
.plans-grid {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 20px;
}

.plan-card {
  background: var(--card);
  padding: 28px;
  border-radius: 16px;
}

.plan-card.highlight {
  outline: 2px solid var(--accent);
}

.price {
  font-size: 1.8rem;
  font-weight: 700;
  margin: 12px 0;
}

.plan-card ul {
  margin-bottom: 20px;
}

.plan-card li {
  margin-bottom: 8px;
}

/* CTA */
.cta {
  padding: 80px 0;
  text-align: center;
}

.footer {
  background: #000;
  padding: 20px 0;
  text-align: center;
  color: var(--muted);
}

/* Responsive */
@media (max-width: 900px) {
  .hero-grid,
  .features-grid,
  .plans-grid {
    grid-template-columns: 1fr;
  }

  .nav {
    display: none;
  }
}