* { box-sizing: border-box; }
body { margin: 0; font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; background: #ffffff; color: #172033; }
main { max-width: 1120px; margin: 0 auto; padding: 56px 22px; }
.hero { display: grid; gap: 24px; align-items: center; min-height: 620px; }
.eyebrow { color: #2563eb; font-weight: 800; text-transform: uppercase; font-size: 13px; letter-spacing: 0; }
h1 { font-size: 4.25rem; line-height: 1; margin: 0; letter-spacing: 0; max-width: 900px; }
p { color: #526071; font-size: 19px; line-height: 1.65; max-width: 760px; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 10px; }
.btn { border: 1px solid #2563eb; border-radius: 8px; padding: 12px 16px; text-decoration: none; font-weight: 800; color: #172033; }
.btn.primary { background: #2563eb; color: white; }
.form-section { max-width: 500px; margin: 0 auto; }
label { display: block; margin-top: 10px; }
input { width: 100%; padding: 8px; margin-top: 5px; }
button { margin-top: 10px; padding: 10px 15px; background: #2563eb; color: white; border: none; border-radius: 4px; cursor: pointer; }
.error { color: red; }
header { background: #f8f9fa; padding: 10px 0; }
nav ul { display: flex; list-style: none; padding: 0; }
nav ul li { margin-right: 15px; }
nav ul li a { text-decoration: none; color: #2563eb; }
.dashboard-section { margin-top: 20px; }
.customers-list ul { list-style: none; padding: 0; }
.customers-list li { border: 1px solid #ddd; padding: 10px; margin-bottom: 10px; border-radius: 4px; }
@media (max-width: 720px) {
  main { padding: 34px 18px; }
  .hero { min-height: auto; }
  h1 { font-size: 2.7rem; }
}