* { box-sizing: border-box; }
body { margin: 0; font-family: Arial, sans-serif; color: #111827; background: #f6f7f9; }
a { color: inherit; }
.topbar { height: 68px; display: flex; align-items: center; justify-content: space-between; padding: 0 32px; background: #fff; border-bottom: 1px solid #e5e7eb; position: sticky; top: 0; z-index: 10; }
.brand { font-weight: 800; font-size: 22px; text-decoration: none; }
.topbar nav { display: flex; align-items: center; gap: 18px; }
.topbar form { margin: 0; }
button, input, select, textarea { font: inherit; }
.topbar button { border: 0; background: transparent; cursor: pointer; }
.page { max-width: 1180px; margin: 0 auto; padding: 32px; }
.hero { display: grid; grid-template-columns: 1fr 420px; gap: 48px; align-items: center; min-height: 560px; }
.hero h1 { font-size: 48px; line-height: 1.05; margin: 12px 0 18px; max-width: 720px; }
.hero p { font-size: 18px; color: #4b5563; line-height: 1.5; }
.eyebrow { text-transform: uppercase; letter-spacing: 0; font-weight: 700; font-size: 13px !important; color: #2563eb !important; }
.actions { display: flex; gap: 12px; align-items: center; margin: 22px 0; flex-wrap: wrap; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 42px; padding: 0 18px; border-radius: 8px; border: 1px solid #111827; background: #111827; color: #fff; text-decoration: none; cursor: pointer; font-weight: 700; }
.button.small { min-height: 36px; }
.button.ghost { background: #fff; color: #111827; }
.button.danger { background: #b91c1c; border-color: #b91c1c; }
.preview { background: #fff; border: 1px solid #e5e7eb; border-radius: 8px; padding: 22px; box-shadow: 0 20px 60px rgba(17,24,39,.08); }
.search-line { border-bottom: 2px solid #111827; padding: 16px 0; color: #6b7280; font-size: 20px; }
.preview-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 22px; }
.preview-grid span, .cards article, .plan, .summary article { background: #fff; border: 1px solid #e5e7eb; border-radius: 8px; padding: 18px; }
.section { padding: 24px 0; }
.cards, .plans, .summary { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin: 18px 0; }
.summary { grid-template-columns: repeat(4, 1fr); }
.summary strong { display: block; font-size: 30px; }
.summary span { color: #6b7280; }
.price { font-size: 28px; font-weight: 800; margin: 10px 0; }
.form-page { max-width: 720px; margin: 0 auto; }
.form-card { display: grid; gap: 14px; background: #fff; border: 1px solid #e5e7eb; border-radius: 8px; padding: 22px; }
.form-card.wide { max-width: 920px; }
label { display: grid; gap: 6px; font-weight: 700; }
input, select, textarea { width: 100%; border: 1px solid #d1d5db; border-radius: 8px; padding: 12px; background: #fff; }
textarea { resize: vertical; }
.flash { padding: 14px 16px; border-radius: 8px; margin-bottom: 16px; background: #e0f2fe; border: 1px solid #7dd3fc; }
.flash.error { background: #fee2e2; border-color: #fecaca; }
.flash.success { background: #dcfce7; border-color: #86efac; }
table { width: 100%; border-collapse: collapse; background: #fff; border: 1px solid #e5e7eb; border-radius: 8px; overflow: hidden; }
th, td { text-align: left; padding: 12px; border-bottom: 1px solid #e5e7eb; vertical-align: top; }
pre { background: #111827; color: #e5e7eb; padding: 18px; border-radius: 8px; overflow-x: auto; }
.columns { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 820px) {
  .topbar { padding: 0 16px; }
  .topbar nav { gap: 10px; font-size: 14px; }
  .page { padding: 18px; }
  .hero { grid-template-columns: 1fr; min-height: auto; }
  .hero h1 { font-size: 34px; }
  .cards, .plans, .summary, .columns { grid-template-columns: 1fr; }
}