:root {
  color-scheme: light;
  --ink: #182033;
  --muted: #667085;
  --line: #d8dee8;
  --soft: #f4f6f9;
  --brand: #f27a1a;
  --brand-dark: #d9670e;
  --green: #067647;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: #ffffff;
  color: var(--ink);
  font-family: Arial, sans-serif;
}

a {
  color: inherit;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 14px clamp(18px, 5vw, 60px);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(12px);
}

.topbar nav {
  display: flex;
  gap: 14px;
  color: var(--muted);
  font-size: 14px;
}

main {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.72fr);
  gap: clamp(28px, 5vw, 64px);
  align-items: center;
  min-height: calc(100vh - 62px);
  padding: 54px 0 80px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--brand-dark);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
}

h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(34px, 5.3vw, 62px);
  line-height: 1.02;
  letter-spacing: 0;
}

h2 {
  margin: 0 0 16px;
  font-size: 25px;
}

.lead {
  max-width: 650px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.primary,
.secondary,
button {
  min-height: 42px;
  border: 0;
  border-radius: 6px;
  cursor: pointer;
  font: 700 14px Arial, sans-serif;
  text-decoration: none;
}

.primary,
button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  background: var(--brand);
  color: #ffffff;
}

.primary:hover,
button:hover {
  background: var(--brand-dark);
}

.secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  border: 1px solid var(--line);
  background: #ffffff;
  color: var(--ink);
}

.product-preview,
.bank-card,
.order-form,
.status-box,
.admin-header,
.order-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  box-shadow: 0 18px 42px rgba(24, 32, 51, 0.08);
}

.product-preview {
  padding: 18px;
}

.mock-row {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 12px;
  border-bottom: 1px solid var(--line);
}

.mock-panel {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  padding-top: 14px;
}

.mock-panel label,
.mock-panel div {
  display: grid;
  gap: 6px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
}

.mock-panel input {
  width: 100%;
}

.features {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  padding-bottom: 42px;
}

.features article {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--soft);
}

.features p,
.notice,
.form-result,
.status-box p,
.order-card span,
.section-copy p,
figcaption span {
  color: var(--muted);
  line-height: 1.45;
}

.screens,
.install-guide {
  padding: 42px 0;
  border-top: 1px solid var(--line);
}

.section-copy {
  display: grid;
  gap: 8px;
  max-width: 740px;
  margin-bottom: 18px;
}

.section-copy h2,
.install-guide h2 {
  margin: 0;
  font-size: clamp(25px, 3vw, 38px);
}

.screen-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.screen-card {
  display: grid;
  gap: 12px;
  margin: 0;
}

.screen-shot {
  min-height: 300px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  box-shadow: 0 18px 42px rgba(24, 32, 51, 0.08);
}

figcaption {
  display: grid;
  gap: 4px;
}

.table-shot {
  display: grid;
  grid-template-rows: auto 1fr;
}

.table-head,
.table-body {
  display: grid;
  grid-template-columns: 1.3fr 0.8fr;
  gap: 10px;
}

.table-head {
  padding-bottom: 10px;
  border-bottom: 3px solid #273244;
  color: #344054;
  font-size: 12px;
  font-weight: 700;
}

.table-body {
  align-items: start;
  padding-top: 14px;
}

.mini-calc {
  display: grid;
  gap: 8px;
  margin-top: 10px;
  padding: 10px;
  border: 1px solid #d7dee8;
  border-radius: 6px;
  background: #f8fafc;
}

.mini-calc button,
.license-demo button {
  min-height: 32px;
}

.result-shot {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  align-content: center;
}

.result-shot div {
  display: grid;
  gap: 8px;
  min-height: 76px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--soft);
}

.result-shot div:last-child {
  grid-column: 1 / -1;
}

.result-shot span {
  color: var(--muted);
  font-size: 12px;
}

.result-shot strong {
  color: var(--green);
  font-size: 18px;
}

.popup-shot {
  display: grid;
  gap: 12px;
  align-content: start;
  background: #f8fafc;
}

.popup-shot h3 {
  margin: 0;
}

.popup-shot label,
.license-demo,
.mode-demo {
  display: grid;
  gap: 8px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #ffffff;
}

.popup-shot label {
  grid-template-columns: 1fr auto;
}

.mode-demo span {
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--muted);
}

.install-guide {
  display: grid;
  grid-template-columns: minmax(260px, 0.8fr) minmax(320px, 1fr);
  gap: 24px;
  align-items: start;
}

.install-guide ol {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style-position: inside;
}

.install-guide li {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--soft);
  line-height: 1.45;
}

.checkout {
  display: grid;
  grid-template-columns: minmax(290px, 0.8fr) minmax(320px, 1fr);
  gap: 18px;
  padding: 34px 0 72px;
}

.bank-card,
.order-form,
.status-box,
.admin-header {
  padding: 22px;
}

dl {
  display: grid;
  gap: 10px;
  margin: 0;
}

dl div {
  display: grid;
  grid-template-columns: 82px 1fr;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
}

dt {
  color: var(--muted);
}

dd {
  margin: 0;
  font-weight: 700;
}

form,
.order-form {
  display: grid;
  gap: 12px;
}

label {
  display: grid;
  gap: 6px;
  color: #344054;
  font-size: 13px;
  font-weight: 700;
}

input {
  width: 100%;
  min-height: 40px;
  padding: 8px 10px;
  border: 1px solid #b9c3d0;
  border-radius: 6px;
  color: var(--ink);
  font: 14px Arial, sans-serif;
}

input:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(242, 122, 26, 0.18);
  outline: none;
}

.form-result a,
.back-link {
  color: var(--brand-dark);
  font-weight: 700;
}

.link-button {
  min-height: auto;
  padding: 0;
  background: transparent;
  color: var(--brand-dark);
}

.link-button:hover {
  background: transparent;
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 20px clamp(18px, 5vw, 60px);
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.narrow {
  width: min(620px, calc(100% - 32px));
  padding: 36px 0;
}

.standalone {
  margin-top: 18px;
}

.status-box {
  display: grid;
  gap: 12px;
  margin-top: 16px;
}

.status-box:empty {
  display: none;
}

.license-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  align-items: center;
}

code {
  overflow-wrap: anywhere;
  padding: 12px;
  border-radius: 6px;
  background: var(--soft);
  color: var(--green);
  font-weight: 700;
}

.full {
  width: 100%;
}

.admin-shell {
  width: min(1180px, calc(100% - 32px));
  padding: 28px 0;
}

.admin-header {
  display: grid;
  grid-template-columns: 1fr 220px auto;
  gap: 14px;
  align-items: end;
}

.orders {
  display: grid;
  gap: 12px;
  margin-top: 16px;
}

.order-card {
  display: grid;
  grid-template-columns: 1.2fr 0.6fr 0.6fr 1fr auto;
  gap: 14px;
  align-items: center;
  padding: 14px;
}

.order-card div {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.order-actions {
  grid-template-columns: repeat(2, auto);
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.5;
}

.empty {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--muted);
}

@media (max-width: 820px) {
  .hero,
  .checkout,
  .features,
  .screen-grid,
  .install-guide,
  .admin-header,
  .order-card {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .topbar,
  footer {
    align-items: flex-start;
    flex-direction: column;
  }
}