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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  color: #1d1d1f;
  background: #fbfbfd;
}

a { color: #0066cc; text-decoration: none; }
a:hover { text-decoration: underline; }

.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
header {
  padding: 20px 0;
  border-bottom: 1px solid #e5e5e7;
}

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

header h1 {
  font-size: 20px;
  font-weight: 600;
}

nav a {
  margin-left: 24px;
  font-size: 14px;
  color: #555;
}

nav a:hover { color: #0066cc; }

/* Hero */
.hero {
  text-align: center;
  padding: 64px 0 48px;
}

.hero h2 {
  font-size: 36px;
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 12px;
}

.hero p {
  font-size: 18px;
  color: #555;
  max-width: 480px;
  margin: 0 auto 32px;
}

.hero img {
  max-width: 100%;
  width: 520px;
  border-radius: 12px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.08);
}

/* Features */
.features {
  padding: 48px 0;
}

.features h3 {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 24px;
  text-align: center;
}

.feature-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.feature-card {
  background: #fff;
  border: 1px solid #e5e5e7;
  border-radius: 12px;
  padding: 20px;
}

.feature-card strong {
  display: block;
  margin-bottom: 4px;
}

.feature-card p {
  font-size: 14px;
  color: #555;
}

/* Pricing */
.pricing {
  text-align: center;
  padding: 48px 0;
}

.pricing h3 {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 24px;
}

.price-cards {
  display: flex;
  gap: 20px;
  justify-content: center;
}

.price-card {
  background: #fff;
  border: 1px solid #e5e5e7;
  border-radius: 12px;
  padding: 28px 32px;
  width: 260px;
  text-align: center;
}

.price-card.pro {
  border-color: #0066cc;
  box-shadow: 0 0 0 1px #0066cc;
}

.price-card h4 {
  font-size: 18px;
  margin-bottom: 4px;
}

.price-card .price {
  font-size: 28px;
  font-weight: 700;
  margin: 8px 0;
}

.price-card .price small {
  font-size: 14px;
  font-weight: 400;
  color: #555;
}

.price-card ul {
  list-style: none;
  text-align: left;
  font-size: 14px;
  color: #555;
  margin-top: 16px;
}

.price-card ul li::before {
  content: "\2713\00a0";
  color: #34c759;
}

/* Page content */
.page-content {
  padding: 48px 0;
}

.page-content h2 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 24px;
}

.page-content h3 {
  font-size: 18px;
  font-weight: 600;
  margin: 28px 0 8px;
}

.page-content p, .page-content li {
  font-size: 15px;
  color: #333;
  margin-bottom: 12px;
}

.page-content ul {
  padding-left: 20px;
}

.page-content details {
  background: #fff;
  border: 1px solid #e5e5e7;
  border-radius: 8px;
  padding: 16px 20px;
  margin-bottom: 12px;
}

.page-content summary {
  font-weight: 600;
  cursor: pointer;
  font-size: 15px;
}

.page-content details p {
  margin-top: 8px;
}

/* Footer */
footer {
  padding: 32px 0;
  border-top: 1px solid #e5e5e7;
  text-align: center;
  font-size: 13px;
  color: #888;
}

footer a { color: #888; }
footer a:hover { color: #0066cc; }

@media (max-width: 600px) {
  .feature-grid { grid-template-columns: 1fr; }
  .price-cards { flex-direction: column; align-items: center; }
  .hero h2 { font-size: 28px; }
}