/* möbius — Event-Buchung: Formular auf Event-Seiten + persönliche Buchungsseite */

.bkf, .bk-page {
  --bk-ink: var(--ink, #141013);
  --bk-linen: var(--linen, #f3ecdf);
  --bk-gold: var(--gold, #c9a96b);
  --bk-coral: var(--bloom-rose, #c97a7e);
  --bk-mute: #3a3438;
  --bk-grey: #7a7378;
  --bk-sans: var(--sans, "Instrument Sans", -apple-system, "Segoe UI", Arial, sans-serif);
  --bk-serif: var(--accent, "Instrument Serif", Georgia, serif);
}

/* ---------- Formular-Sektion auf der Event-Seite ---------- */
.bkf { background: var(--bk-linen); color: var(--bk-ink); padding: 80px 0; font-family: var(--bk-sans); }
.bkf .bkf-inner { max-width: 720px; margin: 0 auto; padding: 0 24px; }
.bkf-eyebrow, .bk-eyebrow { display: block; font-size: 12px; font-weight: 500; letter-spacing: .2em; text-transform: uppercase; color: var(--bk-gold); margin-bottom: 12px; }
.bkf h2.bkf-h { font-family: var(--bk-sans); font-weight: 400; font-size: clamp(28px, 4vw, 40px); line-height: 1.12; letter-spacing: -.015em; margin: 0 0 16px; }
.bkf h2.bkf-h em, .bk-h1 em { font-family: var(--bk-serif); font-style: italic; color: var(--bk-coral); }
.bkf-intro { font-size: 17px; line-height: 1.65; color: rgba(20,16,19,.75); margin: 0 0 30px; }
.bkf-form, .bk-form { display: flex; flex-direction: column; gap: 16px; max-width: 580px; }
.bkf-row { display: grid; grid-template-columns: 1fr 150px; gap: 12px; }
.bkf-row.even { grid-template-columns: 1fr 1fr; }
.bkf-row.three { grid-template-columns: 150px 1fr 1fr; }
@media (max-width: 520px) { .bkf-row, .bkf-row.even, .bkf-row.three { grid-template-columns: 1fr; } }
.bkf label, .bk-form label { display: block; }
.bkf-lbl, .bk-lbl { display: block; font-size: 11px; font-weight: 500; letter-spacing: .16em; text-transform: uppercase; margin-bottom: 6px; color: rgba(20,16,19,.7); }
.bkf-lbl em, .bk-lbl em { font-style: normal; font-weight: 400; text-transform: none; letter-spacing: .04em; color: rgba(20,16,19,.45); margin-left: 4px; }
.bkf input[type=text], .bkf input[type=email], .bkf input[type=tel], .bkf input[type=number], .bkf select, .bkf textarea,
.bk-form select, .bk-form textarea {
  width: 100%; padding: 12px 14px; font: 15px var(--bk-sans); color: var(--bk-ink); background: #fff;
  border: 1px solid rgba(20,16,19,.18); border-radius: 2px; box-sizing: border-box;
}
.bkf textarea, .bk-form textarea { min-height: 70px; resize: vertical; }
.bkf input:focus, .bkf select:focus, .bkf textarea:focus, .bk-form select:focus, .bk-form textarea:focus { outline: none; border-color: var(--bk-gold); box-shadow: 0 0 0 2px rgba(201,169,107,.25); }
.bkf-stepper { display: flex; max-width: 220px; border: 1px solid rgba(20,16,19,.18); background: #fff; border-radius: 2px; }
.bkf-stepper button { width: 46px; border: 0; background: transparent; font-size: 19px; color: var(--bk-ink); cursor: pointer; }
.bkf-stepper output { flex: 1; text-align: center; padding: 12px 0; font-size: 15px; font-variant-numeric: tabular-nums; }
.bkf-small { font-size: 13px; color: rgba(20,16,19,.62); margin: 7px 0 0; }
.bkf-linkbtn, .bk-link { background: none; border: 0; padding: 0; font: inherit; color: var(--bk-ink); text-decoration: underline; text-underline-offset: 3px; cursor: pointer; }
.bkf-note { background: #fff; border: 1px solid rgba(20,16,19,.14); border-left: 3px solid var(--bk-coral); padding: 14px 18px; font-size: 14px; color: var(--bk-mute); }

/* Stornobedingungen */
.bkf-terms, .bk-terms { background: #fff; border: 1px solid rgba(20,16,19,.14); border-left: 3px solid var(--bk-gold); padding: 16px 20px; font-size: 14px; line-height: 1.55; color: var(--bk-mute); display: grid; gap: 8px; }
.bkf-terms p, .bk-terms p { margin: 0; }
.bkf-terms .t, .bk-terms .t { font-size: 11px; letter-spacing: .16em; text-transform: uppercase; color: var(--bk-ink); font-weight: 600; }
.bkf-tiers, .bk-tiers { width: 100%; border-collapse: collapse; font-size: 14px; }
.bkf-tiers td, .bk-tiers td { padding: 4px 0; border-top: 1px solid rgba(20,16,19,.08); vertical-align: top; }
.bkf-tiers td:last-child, .bk-tiers td:last-child { text-align: right; color: var(--bk-ink); font-weight: 600; padding-left: 12px; min-width: 9.5em; }
.bkf-tiers small, .bk-tiers small { display: block; color: var(--bk-grey); font-size: 12.5px; font-weight: 400; font-variant-numeric: tabular-nums; }

.bkf-check, .bk-check { display: flex !important; gap: 12px; align-items: flex-start; font-size: 14px; line-height: 1.5; color: var(--bk-ink); cursor: pointer; padding: 14px 16px; border: 1px solid rgba(20,16,19,.18); background: #fff; }
.bkf-check input, .bk-check input { width: 20px; height: 20px; margin: 1px 0 0; accent-color: #141013; flex: none; }
.bkf-check.need { border-color: #a8443a; }
.bkf-nl { display: flex !important; gap: 12px; align-items: flex-start; font-size: 14px; line-height: 1.5; color: var(--bk-ink); cursor: pointer; }
.bkf-nl input { width: 18px; height: 18px; margin: 1px 0 0; accent-color: #141013; flex: none; }
.bkf-nl span span { color: rgba(20,16,19,.55); }
.bkf-dsgvo { font-size: 12px; line-height: 1.5; color: rgba(20,16,19,.6); margin: 0; }
.bkf-dsgvo a { color: var(--bk-ink); }
.bkf-submit, .bk-submit { align-self: flex-start; padding: 14px 28px; font: 500 12px var(--bk-sans); letter-spacing: .16em; text-transform: uppercase; color: #fff; background: var(--bk-ink); border: 1px solid var(--bk-ink); border-radius: 2px; cursor: pointer; }
.bkf-submit:disabled { opacity: .6; cursor: wait; }
.bkf-msg, .bk-msg { font-size: 13px; min-height: 18px; color: #a8443a; margin: 0; }
.bkf-done { display: grid; gap: 6px; background: #fff; border-left: 3px solid var(--bk-gold); padding: 16px 20px; font-size: 15px; margin-top: 18px; }
.bkf-empty { font-size: 16px; color: rgba(20,16,19,.7); }

/* ---------- Persönliche Buchungsseite ---------- */
.bk-page { margin: 0; background: var(--bk-linen); color: var(--bk-ink); font-family: var(--bk-sans); padding: 0 16px; }
.bk-top { text-align: center; padding: 36px 0 18px; border-bottom: 2px solid var(--bk-gold); max-width: 640px; margin: 0 auto; }
.bk-logo { width: 170px; height: auto; display: block; margin: 0 auto; }
.bk-sub { font-size: 13px; letter-spacing: .3em; color: var(--bk-gold); margin-top: 10px; }
.bk-main { max-width: 640px; margin: 0 auto; padding: 28px 0 60px; }
.bk-card { display: grid; gap: 18px; }
.bk-h1 { font-weight: 400; font-size: clamp(26px, 5vw, 36px); line-height: 1.15; margin: -6px 0 0; }
.bk-h2 { font-weight: 500; font-size: 18px; margin: 4px 0 0; }
.bk-box { background: #fff; border-left: 3px solid var(--bk-gold); padding: 14px 18px; display: grid; gap: 3px; font-size: 15px; }
.bk-box .k { font-size: 10.5px; letter-spacing: .14em; text-transform: uppercase; color: #a88a52; margin-top: 6px; }
.bk-box .k:first-child { margin-top: 0; }
.bk-cost { font-size: 14px; padding: 10px 14px; background: #fff; border: 1px solid rgba(20,16,19,.12); margin: 0; }
.bk-cost.free { border-left: 3px solid #6b7558; }
.bk-cost.fee { border-left: 3px solid #a8443a; }
.bk-done { display: grid; gap: 6px; background: #fff; border-left: 3px solid var(--bk-gold); padding: 16px 18px; font-size: 15px; }
.bk-done b { font-family: var(--bk-serif); font-style: italic; font-weight: 400; font-size: 22px; }
.bk-foot { font-size: 13px; color: rgba(20,16,19,.6); }
.bk-ok { margin: 0; font-size: 14px; color: #4f6b3f; }
.bk-note { margin: 0; }
.bk-row { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.bk-ghost { font: 500 12px var(--bk-sans); letter-spacing: .16em; text-transform: uppercase; color: var(--bk-ink); padding: 14px 20px; border: 1px solid rgba(20,16,19,.3); text-decoration: none; }

.bkf [hidden], .bk-page [hidden] { display: none !important; }
.bkf-stepper button:disabled { opacity: .3; cursor: default; }
.bkf-done span { display: block; }

/* Feste Buchungsleiste (nur Handy) */
.bkf-bar { display: none; }
@media (max-width: 760px) {
  .bkf-bar { position: fixed; left: 0; right: 0; bottom: 0; z-index: 500; display: flex; align-items: center; justify-content: space-between; gap: 12px;
    padding: 10px 16px calc(10px + env(safe-area-inset-bottom, 0px)); background: #141013; color: #f3ecdf; border-top: 1px solid rgba(201,169,107,.45);
    box-shadow: 0 -6px 20px rgba(0,0,0,.25); font-family: var(--sans, "Instrument Sans", Arial, sans-serif);
    transform: translateY(110%); transition: transform .3s ease; }
  .bkf-bar.is-on { transform: none; }
  .bkf-bar.is-on.is-off { transform: translateY(110%); }
  .bkf-bar-t { display: grid; gap: 1px; min-width: 0; }
  .bkf-bar-t b { font-weight: 600; font-size: 14px; letter-spacing: .02em; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .bkf-bar-t span { font-size: 12.5px; color: rgba(243,236,223,.72); }
  .bkf-bar button { flex: 0 0 auto; background: #c9a96b; color: #141013; border: 0; padding: 12px 18px; font: 600 12px var(--sans, Arial, sans-serif);
    letter-spacing: .14em; text-transform: uppercase; cursor: pointer; }
}

/* Stornobedingungen: kurze Zusammenfassung, Details aufklappbar */
.bkf-tbox { background: #fff; border: 1px solid rgba(20,16,19,.14); border-left: 3px solid var(--bk-gold); padding: 14px 18px; font-size: 14.5px; line-height: 1.5; color: var(--bk-mute); }
.bkf-tsum { margin: 0; }
.bkf-tsum b { color: var(--bk-ink); font-weight: 600; }
.bkf-tdet { margin-top: 6px; }
.bkf-tdet summary { cursor: pointer; display: inline-block; font-size: 13px; color: var(--bk-ink); text-decoration: underline; text-underline-offset: 3px; list-style: none; }
.bkf-tdet summary::-webkit-details-marker { display: none; }
.bkf-tdet summary::after { content: " ▾"; text-decoration: none; display: inline-block; margin-left: 4px; }
.bkf-tdet[open] summary::after { content: " ▴"; }
.bkf-tdet .bkf-terms { border: 0; padding: 12px 0 0; background: transparent; }

/* Teilweise ausgebucht (2026-10-13) */
.bkf-note.bkf-part { border-left-color: #c9a96b; color: #3a3438; }
.bkf-note.bkf-part .bkf-linkbtn { font-weight: 600; }
.bkf-heronote { margin: 16px 0 0 !important; font-size: 13px !important; letter-spacing: .06em; line-height: 1.6 !important; color: #c9a96b !important; }