:root { color-scheme: light dark; --bg: #f7f9f8; --surface: #fcfdfc; --text: #172b25; --muted: #53665f; --line: #c3cdc8; --accent: #216249; --button-text: #f7fcf9; --error: #a32929; }
@media (prefers-color-scheme: dark) { :root { --bg: #14211c; --surface: #1b2d24; --text: #ecf3ef; --muted: #b0c2b8; --line: #60766a; --accent: #a3dbb9; --button-text: #142b1e; --error: #ffb2aa; } }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.6 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
.page { max-width: 1240px; min-height: 100dvh; padding: 0 48px; margin: auto; display: flex; flex-direction: column; }
header { min-height: 92px; display: flex; align-items: center; justify-content: space-between; gap: 16px; border-bottom: 1px solid var(--line); }
a { color: var(--accent); text-underline-offset: 4px; }
.wordmark { font-weight: 650; text-decoration: none; color: var(--text); }
.language { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.language label { font-size: 14px; font-weight: 600; color: var(--text); white-space: nowrap; }
select { font: inherit; font-size: 14px; color: var(--text); background: var(--surface); border: 1px solid var(--line); border-radius: 8px; padding: 9px 30px 9px 12px; min-height: 44px; }
main { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: clamp(40px, 7vw, 112px); align-items: start; padding: 68px 0 48px; flex: 1; }
.domain { padding-top: 35px; min-width: 0; }
.sale-status { color: var(--accent); font-weight: 650; font-size: 16px; margin: 0 0 22px; }
h1 { margin: 0; font-size: clamp(40px, 4.9vw, 65px); letter-spacing: -0.055em; line-height: 1.15; overflow-wrap: anywhere; font-weight: 650; }
h1 span { color: var(--muted); }
.invitation { max-width: 32ch; margin: 24px 0 0; font-size: 19px; color: var(--muted); line-height: 1.6; }
.offer { min-width: 0; }
h2 { font-size: 29px; letter-spacing: -0.03em; line-height: 1.25; margin: 0 0 8px; font-weight: 620; }
.intro { margin: 0 0 26px; color: var(--muted); font-size: 15px; }
.field { margin-bottom: 19px; }
.field label { display: flex; justify-content: space-between; margin-bottom: 7px; font-size: 14px; font-weight: 600; }
.optional { color: var(--muted); font-weight: 400; font-size: 13px; }
input, textarea { font: inherit; background: var(--surface); color: var(--text); border: 1px solid var(--line); border-radius: 8px; width: 100%; padding: 11px 14px; min-height: 48px; }
textarea { resize: vertical; min-height: 84px; }
input::placeholder, textarea::placeholder { color: var(--muted); opacity: 1; }
.amount-wrap { position: relative; }
.amount-wrap > span { position: absolute; top: 11px; left: 15px; color: var(--muted); }
.amount-wrap input { padding-left: 34px; }
.honeypot { display: none; }
.reassurance { color: var(--text); font-size: 14px; margin: 20px 0 18px; line-height: 1.65; }
button { font: inherit; cursor: pointer; }
.submit { width: 100%; min-height: 52px; padding: 12px 20px; border: 1px solid var(--accent); border-radius: 8px; background: var(--accent); color: var(--button-text); font-weight: 650; }
.submit:hover { filter: brightness(1.08); }
.submit:active { transform: translateY(1px); }
.submit:disabled { opacity: 0.7; cursor: wait; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }
.privacy { font-size: 12px; line-height: 1.6; color: var(--muted); margin: 12px 0 23px; }
.field-error { color: var(--error); margin: 6px 0 0; font-size: 13px; }
[aria-invalid="true"] { border-color: var(--error); }
footer { border-top: 1px solid var(--line); padding: 22px 0 28px; color: var(--muted); font-size: 12px; }
#preview { font-size: 12px; color: var(--muted); padding: 12px 0 0; }
@media (max-width: 767px) {
  .page { padding: 0 24px; }
  header { min-height: 78px; flex-wrap: wrap; padding: 16px 0; gap: 12px; }
  main { grid-template-columns: minmax(0, 1fr); gap: 38px; padding: 36px 0; }
  .domain { padding: 0; }
  h1 { font-size: clamp(36px, 10vw, 58px); }
  .sale-status { margin-bottom: 12px; font-size: 14px; }
  .invitation { font-size: 16px; margin-top: 15px; max-width: 38ch; }
  h2 { font-size: 25px; }
  .offer { border-top: 1px solid var(--line); padding-top: 30px; }
  .intro { margin-bottom: 23px; }
}
@media (prefers-reduced-motion: reduce) { .submit:active { transform: none; } }