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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: #111827;
  background: #f8fafc;
  line-height: 1.6;
}

.container {
  max-width: 1024px;
  margin: 0 auto;
  padding: 0 24px;
}

.hero {
  text-align: center;
  padding: 80px 0 64px;
  background: #fff;
}
.hero-logo { height: 64px; margin-bottom: 16px; }
.hero h1 { font-size: 3rem; font-weight: 800; color: #dc2626; margin-bottom: 16px; }
.hero-subtitle { font-size: 1.25rem; color: #64748b; max-width: 520px; margin: 0 auto 32px; }
.cta-button {
  display: inline-block; padding: 14px 32px;
  background: #dc2626; color: #fff; border-radius: 8px;
  text-decoration: none; font-weight: 600; font-size: 1.1rem;
  transition: background 0.2s;
}
.cta-button:hover { background: #b91c1c; }

.features { padding: 64px 0; }
.features h2, .how-it-works h2, .testimonials h2, .faq h2 {
  text-align: center; font-size: 2rem; margin-bottom: 40px;
}
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feature-card {
  background: #fff; border-radius: 12px; padding: 32px; text-align: center;
  border: 1px solid #e2e8f0;
}
.feature-icon { font-size: 2.5rem; margin-bottom: 16px; }
.feature-card h3 { font-size: 1.2rem; margin-bottom: 8px; }
.feature-card p { color: #64748b; font-size: 0.95rem; }

.how-it-works { padding: 64px 0; background: #fff; }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; text-align: center; }
.step-number {
  width: 48px; height: 48px; border-radius: 50%;
  background: #dc2626; color: #fff; font-size: 1.5rem; font-weight: 700;
  display: inline-flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
}
.step h3 { margin-bottom: 8px; }
.step p { color: #64748b; font-size: 0.95rem; }

.testimonials { padding: 64px 0; }
.testimonials-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.testimonial-card {
  background: #fff; border-radius: 12px; padding: 24px;
  border: 1px solid #e2e8f0; font-style: italic;
}
.testimonial-author { margin-top: 12px; font-style: normal; font-weight: 600; color: #64748b; }

.faq { padding: 64px 0; background: #fff; }
.faq-list { max-width: 640px; margin: 0 auto; }
.faq-item {
  border-bottom: 1px solid #e2e8f0; padding: 16px 0;
}
.faq-item summary {
  font-weight: 600; cursor: pointer; font-size: 1.05rem;
  list-style: none;
}
.faq-item summary::before { content: '+ '; color: #dc2626; font-weight: 700; }
.faq-item[open] summary::before { content: '− '; }
.faq-item p { margin-top: 8px; color: #64748b; }

.footer {
  padding: 32px 0; text-align: center; border-top: 1px solid #e2e8f0;
}
.footer .container { display: flex; justify-content: space-between; align-items: center; }
.footer p { color: #94a3b8; font-size: 0.9rem; }
.footer a { color: #dc2626; text-decoration: none; font-weight: 500; }
.footer a:hover { text-decoration: underline; }

@media (max-width: 768px) {
  .hero h1 { font-size: 2rem; }
  .hero-subtitle { font-size: 1rem; }
  .features-grid, .steps, .testimonials-grid { grid-template-columns: 1fr; }
  .footer .container { flex-direction: column; gap: 8px; }
}