/* ===========================================================================
   BOCCI RSVP — "PRO · EDITORIAL"
   UX-optimiert: Progressive Disclosure, Inline-Fehler, Add-to-Calendar
   Look: elegant-editorial, warmes Beige, Serife
   =========================================================================== */
:root {
    --bg:#e9e6e0; --card:#fff; --ink:#1c1c1c; --muted:#7a766e; --line:#e6e2d9;
    --accent:#7b8ce8; --accent-2:#6779e0; --accent-ink:#fff;
    --err:#b0463b; --err-bg:#fbeceb; --err-line:#f1cfca; --ok:#3f9d6a;
    --serif:'Cormorant Garamond',Georgia,'Times New Roman',serif;
    --sans:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Helvetica,Arial,sans-serif;
}
* { box-sizing:border-box; }
body { margin:0; background:var(--bg); color:var(--ink); font-family:var(--sans); -webkit-font-smoothing:antialiased; line-height:1.55; padding:48px 18px; }
.card { max-width:600px; margin:0 auto; background:var(--card); padding:52px 56px 36px; }

/* Honeypot unsichtbar */
.hp { position:absolute !important; left:-9999px; width:1px; height:1px; overflow:hidden; }

.brand { text-align:center; font-family:var(--serif); font-size:26px; letter-spacing:6px; padding-bottom:30px; margin-bottom:38px; border-bottom:1px solid var(--line); }

.hero { text-align:center; margin-bottom:26px; }
.eyebrow { font-size:12px; letter-spacing:3px; text-transform:uppercase; color:var(--muted); margin:0 0 16px; }
.event-title { font-family:var(--serif); font-weight:500; font-size:64px; line-height:1; letter-spacing:1px; margin:0 0 16px; }
.event-meta { font-size:15px; color:var(--muted); letter-spacing:.4px; margin:0; }

.returning-note { text-align:center; background:#f3f5fd; border:1px solid #d8dffa; color:#3a4a8a; font-size:14px; padding:12px 16px; margin:0 0 22px; }
.lead { text-align:center; font-family:var(--serif); font-size:25px; margin:0 0 28px; }

.errors { background:var(--err-bg); border:1px solid var(--err-line); padding:13px 18px; margin-bottom:22px; }
.errors p { margin:0; font-size:14px; color:var(--err); }

/* Auswahl */
fieldset.choice { border:0; margin:0 0 0; padding:0; }
fieldset.choice legend { padding:0; font-size:11px; letter-spacing:1.5px; text-transform:uppercase; color:var(--muted); margin-bottom:12px; }
.choice-card { display:flex; align-items:center; gap:14px; border:1px solid var(--line); padding:19px 22px; cursor:pointer; transition:.15s; margin-bottom:12px; }
.choice-card:hover { border-color:#c9c4b8; }
.choice-card input { accent-color:var(--accent); width:18px; height:18px; margin:0; flex:none; }
.choice-title { font-size:16px; }
.choice-card:has(input:checked) { border-color:var(--accent); background:#f3f5fd; box-shadow:inset 0 0 0 1px var(--accent); }
fieldset.choice.has-error .choice-card { border-color:var(--err-line); }

/* Progressive Disclosure */
.js #details { display:none; }
.js #rsvp-form.choice-made #details { display:block; animation:reveal .25s ease; }
@keyframes reveal { from { opacity:0; transform:translateY(6px); } to { opacity:1; transform:none; } }
/* Bei Absage Firma ausblenden */
#rsvp-form.is-declined #field-company { display:none; }

.section-label { font-family:var(--serif); font-weight:500; font-size:24px; margin:34px 0 18px; padding-bottom:10px; border-bottom:1px solid var(--line); }

.field { margin-bottom:18px; }
.field-row { display:grid; grid-template-columns:1fr 1fr; gap:16px; }
.field label { display:block; font-size:11px; letter-spacing:1.2px; text-transform:uppercase; color:var(--muted); margin-bottom:7px; }
.field label .opt { text-transform:none; letter-spacing:0; color:#b0aaa0; font-size:11px; }
.field input, .field textarea { width:100%; border:1px solid var(--line); background:#fcfbf9; padding:13px 15px; font-family:var(--sans); font-size:15px; color:var(--ink); transition:.15s; }
.field input:focus, .field textarea:focus { outline:none; border-color:var(--accent); background:#fff; box-shadow:0 0 0 3px rgba(123,140,232,.12); }
.field textarea { resize:vertical; }
.field.has-error input, .field.has-error textarea { border-color:var(--err); background:#fdf6f5; }

.field-error { display:none; color:var(--err); font-size:13px; margin:6px 0 0; }
.field.has-error .field-error, fieldset.choice.has-error .field-error { display:block; }

.submit { width:100%; margin-top:8px; border:none; background:var(--accent); color:var(--accent-ink); font-family:var(--sans); font-size:14px; font-weight:600; letter-spacing:2px; text-transform:uppercase; padding:18px; cursor:pointer; transition:.15s; }
.submit:hover { background:var(--accent-2); }
.submit:active { transform:translateY(1px); }
.submit:disabled, .submit.is-loading { opacity:.6; cursor:default; }

.privacy { font-size:12px; color:var(--muted); text-align:center; margin:16px 0 0; }
.privacy a { color:var(--muted); }

/* Erfolgsseite */
.thanks { text-align:center; padding:16px 0 8px; }
.thanks-mark { width:66px; height:66px; border-radius:50%; margin:0 auto 26px; display:flex; align-items:center; justify-content:center; font-size:28px; }
.thanks-mark.ok { background:#eef1fd; color:var(--accent); }
.thanks-mark.no { background:#f1efe9; color:var(--muted); }
.thanks h1 { font-family:var(--serif); font-weight:500; font-size:42px; line-height:1.1; margin:0 0 18px; }
.thanks p { font-size:16px; color:#3a3a3a; margin:0 auto 12px; max-width:430px; }
.thanks p.muted { color:var(--muted); font-size:14px; }
.cal-actions { display:flex; gap:12px; justify-content:center; flex-wrap:wrap; margin:26px 0 6px; }
.cal-btn { display:inline-block; background:var(--accent); color:#fff; text-decoration:none; font-size:13px; font-weight:600; letter-spacing:1px; text-transform:uppercase; padding:13px 22px; transition:.15s; }
.cal-btn:hover { background:var(--accent-2); }
.cal-btn.ghost { background:transparent; color:var(--ink); box-shadow:inset 0 0 0 1px var(--line); }
.cal-btn.ghost:hover { box-shadow:inset 0 0 0 1px var(--accent); color:var(--accent); }
.update-line { margin-top:22px; font-size:13px; }
.update-line a { color:var(--muted); }

.foot { text-align:center; margin-top:42px; padding-top:24px; border-top:1px solid var(--line); font-size:12px; letter-spacing:.5px; color:#a8a39a; }

@media (max-width:560px) {
    body { padding:22px 12px; }
    .card { padding:34px 24px 28px; }
    .event-title { font-size:48px; }
    .field-row { grid-template-columns:1fr; gap:0; }
    .thanks h1 { font-size:34px; }
    .cal-actions { flex-direction:column; }
    .cal-btn { width:100%; }
}