:root {
  color-scheme: light;
  --paper: #f3efe6;
  --ink: #181713;
  --muted: #6f6a60;
  --line: rgba(24, 23, 19, 0.18);
  --accent: #a8421c;
  --accent-bright: #cb5c2e;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
html { background: var(--paper); color: var(--ink); font-family: var(--sans); }
body { min-height: 100vh; margin: 0; }
a { color: inherit; }
button, input, select { font: inherit; }
button, .button {
  min-height: 48px;
  border: 1px solid var(--ink);
  border-radius: 0;
  padding: 0 20px;
  background: var(--ink);
  color: var(--paper);
  cursor: pointer;
  text-decoration: none;
  transition: transform 160ms ease, background 160ms ease, color 160ms ease;
}
button:hover, .button:hover { transform: translateY(-2px); background: var(--accent); }
button:disabled { cursor: wait; opacity: 0.55; transform: none; }
form[data-unavailable] button:disabled { cursor: not-allowed; }
input, select {
  width: 100%;
  min-height: 48px;
  border: 1px solid var(--line);
  border-radius: 0;
  padding: 0 13px;
  background: rgba(255, 255, 255, 0.45);
  color: var(--ink);
}
:focus-visible { outline: 3px solid color-mix(in srgb, var(--accent) 45%, transparent); outline-offset: 3px; }
.site-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  padding: 0 clamp(20px, 5vw, 72px);
  border-bottom: 1px solid var(--line);
}
.brand { font-size: 20px; font-weight: 720; letter-spacing: -0.04em; text-decoration: none; }
.brand span { color: var(--accent); }
.site-head nav { display: flex; gap: 22px; color: var(--muted); font-size: 13px; }
.site-head nav a { text-underline-offset: 4px; }
.purchase-shell {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(320px, 0.75fr);
  min-height: calc(100svh - 72px);
}
.offer {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: clamp(44px, 7vw, 104px) clamp(24px, 7vw, 108px);
  border-right: 1px solid var(--line);
  overflow: hidden;
}
.eyebrow, .field-label, .order-note {
  font: 11px/1.4 var(--mono);
  letter-spacing: 0.11em;
  text-transform: uppercase;
}
.eyebrow { color: var(--accent); }
.offer h1, .utility h1 {
  max-width: 760px;
  margin: 22px 0 0;
  font-size: clamp(48px, 7.2vw, 112px);
  font-weight: 560;
  letter-spacing: -0.065em;
  line-height: 0.91;
}
.offer-copy { max-width: 590px; margin: 32px 0 0; color: var(--muted); font-size: clamp(17px, 2vw, 23px); line-height: 1.45; }
.key-ribbon {
  width: max-content;
  margin-top: 64px;
  color: color-mix(in srgb, var(--ink) 16%, transparent);
  font: clamp(28px, 5vw, 72px)/1 var(--mono);
  letter-spacing: 0.09em;
  white-space: nowrap;
  animation: drift 18s linear infinite alternate;
}
@keyframes drift { to { transform: translateX(-18%); } }
.checkout {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(36px, 6vw, 80px);
  background: rgba(255,255,255,0.34);
}
.checkout h2 { margin: 0; font-size: 14px; font-weight: 650; }
.price { margin: 18px 0 0; font-size: clamp(55px, 7vw, 92px); font-weight: 570; letter-spacing: -0.07em; }
.price-meta { margin: 4px 0 34px; color: var(--muted); font-size: 13px; }
.feature-ledger { margin: 0 0 32px; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.feature-ledger li { padding: 14px 0; border-bottom: 1px solid var(--line); font-size: 14px; }
.checkout label { display: block; margin-bottom: 18px; }
.field-label { display: block; margin-bottom: 8px; color: var(--muted); }
.checkout button { width: 100%; }
.status { min-height: 22px; margin: 12px 0 0; color: var(--accent); font-size: 13px; line-height: 1.45; }
.boundary { margin-top: 30px; color: var(--muted); font-size: 12px; line-height: 1.6; }
.boundary a { text-underline-offset: 3px; }
.utility { max-width: 880px; margin: 0 auto; padding: clamp(52px, 9vw, 120px) 24px; }
.utility h1 { font-size: clamp(46px, 7vw, 88px); }
.utility-copy { max-width: 660px; margin: 26px 0 0; color: var(--muted); font-size: 18px; line-height: 1.55; }
.license-output { margin-top: 48px; padding-top: 28px; border-top: 1px solid var(--line); }
.license-key {
  display: block;
  margin: 16px 0 22px;
  overflow-wrap: anywhere;
  color: var(--accent);
  font: clamp(22px, 4.4vw, 42px)/1.25 var(--mono);
  letter-spacing: 0.045em;
}
.license-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.license-actions .secondary { background: transparent; color: var(--ink); }
.deadline { max-width: 620px; color: var(--muted); line-height: 1.55; }
.recovery-form { max-width: 600px; margin-top: 42px; }
.recovery-form label { display: block; margin-bottom: 18px; }
.recovery-form button { width: 100%; }
[hidden] { display: none !important; }
@media (max-width: 820px) {
  .site-head nav { gap: 12px; }
  .purchase-shell { display: block; }
  .offer { min-height: 68svh; border-right: 0; border-bottom: 1px solid var(--line); }
  .checkout { min-height: 60svh; }
  .key-ribbon { margin-top: 48px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; }
}