:root {
  --gruen: #1e3b2b;
  --creme: #f4eedd;
  --gold: #c9a24b;
  --bronze: #7a5c17;
  --fehler: #9b2c1f;
  --serif: "Century Schoolbook", "C059", "New Century Schoolbook", Georgia, "Times New Roman", serif;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--creme); color: var(--gruen); font: 18px/1.5 var(--serif); }
h1, h2, h3, p, ul, figure { margin: 0; }

.hero { background: var(--gruen); color: var(--creme); text-align: center; padding: 40px 16px 110px; }
.kicker { color: var(--gold); letter-spacing: .4em; text-transform: uppercase; font-size: .8rem; padding-left: .4em; }
h1 { font-size: clamp(2.8rem, 12vw, 4.6rem); line-height: 1.1; margin-top: 6px; }
.sub { font-style: italic; font-size: clamp(1.2rem, 4.5vw, 1.7rem); margin-top: 6px; }

main { max-width: 760px; margin: 0 auto; padding: 0 16px 48px; }
.plate { margin: -80px auto 0; background: #fff; border: 2px solid var(--gruen); line-height: 0; }
.plate img { width: 100%; height: auto; }

.intro { text-align: center; margin-top: 28px; }
.small { font-style: italic; font-size: .95rem; }
h2 { font-size: clamp(1.6rem, 6vw, 2rem); }
.date { font-weight: bold; font-size: clamp(1.4rem, 5.6vw, 2rem); margin-top: 22px; }

.facts, .columns { border-top: 2px solid var(--gold); margin-top: 28px; padding-top: 22px; display: grid; gap: 22px; }
.facts { grid-template-columns: 1fr 1fr; text-align: center; }
.facts > div:first-child { border-right: 1px solid var(--gold); }
.big { font-weight: bold; font-size: clamp(1.5rem, 6vw, 1.9rem); line-height: 1.3; }
h3 { color: var(--bronze); text-transform: uppercase; letter-spacing: .2em; font-size: .72rem; }
.columns { grid-template-columns: 1fr 1fr; font-size: .95rem; }
.columns ul { list-style: none; padding: 0; margin-top: 6px; }
.columns li { padding-left: 1.2em; text-indent: -1.2em; margin-bottom: 3px; }
.columns li::before { content: "–\00a0\00a0"; }
.columns p { margin-top: 6px; }

.signup { border-top: 2px solid var(--gold); margin-top: 28px; padding-top: 22px; }
.signup > h2 { text-align: center; }
.lead { text-align: center; margin: 4px 0 20px; }
.field { margin: 0 0 18px; padding: 0; border: 0; min-width: 0; }
label, legend { display: block; font-weight: bold; margin-bottom: 6px; padding: 0; }
input[type=text], input[type=email] {
  width: 100%; font: inherit; color: inherit; background: #fffdf6; border: 1.5px solid var(--gruen);
  border-radius: 4px; padding: 11px 12px; min-height: 48px;
}
input:focus-visible, button:focus-visible, .choice input:focus-visible + .card { outline: 3px solid var(--gold); outline-offset: 2px; }
input[aria-invalid=true] { border-color: var(--fehler); }

.choices { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.choice { margin: 0; font-weight: normal; position: relative; }
.choice input { position: absolute; opacity: 0; inset: 0; width: 100%; height: 100%; margin: 0; cursor: pointer; }
.card { display: block; height: 100%; border: 1.5px solid var(--gruen); border-radius: 4px; padding: 12px; background: #fffdf6; }
.card strong { display: block; font-size: 1.15rem; }
.card small { display: block; font-size: .82rem; line-height: 1.35; margin-top: 2px; }
.choice input:checked + .card { background: var(--gruen); color: var(--creme); box-shadow: inset 0 0 0 2px var(--gold); }

.error { color: var(--fehler); font-size: .9rem; margin-top: 5px; min-height: 0; }
.error:empty { display: none; }
.form-error { text-align: center; margin-bottom: 10px; font-weight: bold; }

button {
  display: block; width: 100%; font: inherit; font-weight: bold; letter-spacing: .03em; cursor: pointer;
  background: var(--gruen); color: var(--creme); border: 0; border-radius: 4px; padding: 14px; min-height: 52px;
}
button:hover { background: #2a5039; }
button:disabled { opacity: .6; cursor: wait; }
.hint { font-size: .82rem; margin-top: 12px; text-align: center; opacity: .85; }

.hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }

.danke { text-align: center; background: var(--gruen); color: var(--creme); border-radius: 4px; padding: 28px 18px; box-shadow: inset 0 0 0 2px var(--gold); }
.danke[hidden] { display: none; }
.danke h3 { color: var(--gold); font-size: 1rem; }
.danke p { margin-top: 10px; }

.foot { background: var(--gruen); color: var(--creme); text-align: center; font-style: italic; font-size: 1.4rem; padding: 14px 16px; }

@media (max-width: 560px) {
  body { font-size: 17px; }
  .hero { padding-bottom: 90px; }
  .plate { margin-top: -64px; }
  .columns { grid-template-columns: 1fr; }
  .choices { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: no-preference) { button { transition: background .15s; } }