/* Gran Ballo di Natale 2026 — stile «galà», dalla locandina B.
   Verde abete, avorio e oro; Bodoni Moda per la voce, Archivo per il resto.
   Il sito è solo scuro: si apre di sera, in classe o in sala, dal telefono. */

@font-face { font-family: "Bodoni Moda"; font-style: normal; font-weight: 400 700; font-display: swap;
  src: url(fonts/bodoni-moda-latin.woff2) format("woff2"); }
@font-face { font-family: "Bodoni Moda"; font-style: italic; font-weight: 400 600; font-display: swap;
  src: url(fonts/bodoni-moda-italic-latin.woff2) format("woff2"); }
@font-face { font-family: "Archivo"; font-style: normal; font-weight: 400 700; font-display: swap;
  src: url(fonts/archivo-latin.woff2) format("woff2"); }

:root {
  color-scheme: dark;
  --abete: #0a1f17;
  --abete-profondo: #06140f;
  --abete-chiaro: #12301f;
  --avorio: #f3ead6;
  --avorio-tenue: #cfc5ae;
  --oro: #d8b866;
  --oro-chiaro: #ecd384;
  --oro-scuro: #8a6a1c;
  --rosso: #c8102e;
  --rosso-chiaro: #ff8a8a;
  --linea: rgba(216, 184, 102, .32);
  --serif: "Bodoni Moda", "Didot", Georgia, serif;
  --sans: "Archivo", system-ui, sans-serif;
  --margine: max(20px, env(safe-area-inset-left));
  --uscita: cubic-bezier(.16, 1, .3, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 16px; }
body { margin: 0; background: var(--abete); color: var(--avorio); font: 400 1.0625rem/1.6 var(--sans);
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
img, svg { display: block; max-width: 100%; }
h1, h2, p, dl, dd, ul { margin: 0; }
a { color: var(--oro-chiaro); text-underline-offset: .2em; text-decoration-thickness: 1px; }
::selection { background: var(--oro); color: var(--abete); }
:focus-visible { outline: 2px solid var(--oro-chiaro); outline-offset: 3px; border-radius: 2px; }
html { scrollbar-color: var(--oro-scuro) var(--abete-profondo); }
[hidden] { display: none !important; }

.salta { position: absolute; left: 12px; top: -60px; z-index: 10; padding: 10px 16px; background: var(--avorio);
  color: var(--abete); font-weight: 600; text-decoration: none; }
.salta:focus { top: 12px; }

/* ---------- Apertura: la locandina che diventa pagina ---------- */
.apertura { position: relative; min-height: 100svh; display: grid; isolation: isolate; overflow: hidden; }
.apertura-foto { position: absolute; inset: 0; z-index: -1; }
.apertura-foto img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 62%; }
.apertura::before { content: ""; position: absolute; inset: 0; z-index: 0;
  background: linear-gradient(180deg, rgba(5,14,10,.6) 0%, rgba(5,14,10,.5) 34%, rgba(5,14,10,.38) 50%, rgba(5,14,10,.06) 60%,
    rgba(5,14,10,.62) 76%, rgba(6,20,15,.97) 90%, var(--abete) 100%); }

.apertura-testo { position: relative; z-index: 1; display: flex; flex-direction: column; align-items: center; text-align: center;
  padding: max(56px, env(safe-area-inset-top)) var(--margine) 40px; min-height: 100svh; }

.sigillo { position: relative; flex: none; margin-bottom: 22px; width: 76px; height: 76px; border-radius: 50%;
  display: flex; flex-direction: column; align-items: center; justify-content: center; color: #3e2c07;
  transform: rotate(-8deg);
  background: radial-gradient(circle at 34% 28%, rgba(255,255,255,.6) 0 5%, transparent 25%),
    conic-gradient(from 200deg, #8a6a1c, #ecd384, #b38b2c, #f7e7aa, #9c7724, #e3c46a, #8a6a1c);
  box-shadow: 0 4px 14px rgba(0,0,0,.55), inset 0 0 0 3px rgba(255,255,255,.22); }
.sigillo::before { content: ""; position: absolute; inset: 6px; border-radius: 50%; border: 1px solid rgba(62,44,7,.45); }
.sigillo b { font: 800 2.4rem/.8 var(--serif); }
.sigillo span { font: 700 .56rem/1 var(--sans); letter-spacing: .14em; text-transform: uppercase; margin-top: 4px; }

.titolo { font-family: var(--serif); font-weight: 500; line-height: .86; letter-spacing: -.02em;
  text-shadow: 0 1px 3px rgba(0,0,0,.5), 0 2px 22px rgba(0,0,0,.6); text-wrap: balance; }
.titolo-uno { display: block; font-size: clamp(3.6rem, 19vw, 6rem); }
.titolo-due { display: block; margin-top: .12em; font-size: clamp(2.5rem, 13vw, 4.2rem); font-style: italic;
  font-weight: 400; color: var(--oro); letter-spacing: -.01em; }

.filetto { width: 160px; height: 8px; margin: 22px auto 16px; color: var(--oro); }
.quando { font: 500 clamp(1.15rem, 5.6vw, 1.45rem)/1.2 var(--serif); text-shadow: 0 1px 3px rgba(0,0,0,.7), 0 2px 16px rgba(0,0,0,.7); }
.quando span { display: block; margin-top: 8px; font: 600 .78rem/1 var(--sans); letter-spacing: .22em; text-transform: uppercase; }

/* Lo stato delle iscrizioni scende in fondo, sul velo scuro */
.stato { margin-top: auto; width: 100%; max-width: 420px; padding-top: 32px; }
.stato > div { display: none; }
.stato[data-stato="presto"] .stato-presto,
.stato[data-stato="aperte"] .stato-aperte,
.stato[data-stato="chiuse"] .stato-chiuse { display: block; }
.grado { margin-left: -.12em; }
.stato-titolo { font: italic 500 1.9rem/1.1 var(--serif); color: var(--oro); }
.stato-nota { margin-top: 8px; color: var(--avorio-tenue); }

.conto { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 18px; border-block: 1px solid var(--linea); }
.conto span { display: flex; flex-direction: column; align-items: center; gap: 6px; padding: 14px 0 12px;
  font: 600 .7rem/1 var(--sans); letter-spacing: .2em; text-transform: uppercase; color: var(--avorio-tenue); }
.conto span + span { border-left: 1px solid var(--linea); }
.conto b { font: 500 2.4rem/1 var(--serif); color: var(--avorio); font-variant-numeric: lining-nums tabular-nums; letter-spacing: 0; }

.bottone { display: inline-flex; align-items: center; justify-content: center; min-height: 54px; width: 100%;
  padding: 0 28px; border: 0; border-radius: 2px; cursor: pointer; text-decoration: none;
  font: 700 .86rem/1 var(--sans); letter-spacing: .16em; text-transform: uppercase; color: #2a1d04;
  background: linear-gradient(180deg, #f1dc93, var(--oro) 55%, #b8963f);
  box-shadow: 0 6px 18px rgba(0,0,0,.4), inset 0 1px 0 rgba(255,255,255,.45);
  transition: transform .4s var(--uscita), box-shadow .4s var(--uscita), filter .4s var(--uscita); }
.bottone:active { transform: translateY(1px); }
.bottone:disabled { filter: saturate(.3) brightness(.8); cursor: progress; }
@media (hover: hover) {
  .bottone:hover { transform: translateY(-2px); box-shadow: 0 10px 26px rgba(0,0,0,.5), inset 0 1px 0 rgba(255,255,255,.5); }
}

/* Unico momento animato: il filetto si disegna e il sigillo si posa */
@media (prefers-reduced-motion: no-preference) {
  .filetto-tratto { stroke-dasharray: 33; animation: tratto 1.4s .3s var(--uscita) both; }
  .sigillo { animation: posa 1.1s .6s var(--uscita) both; }
}
@keyframes tratto { from { stroke-dashoffset: 33; } to { stroke-dashoffset: 0; } }
@keyframes posa { from { transform: rotate(-30deg) scale(1.25); filter: blur(4px); opacity: 0; }
  to { transform: rotate(-8deg) scale(1); filter: blur(0); opacity: 1; } }

/* ---------- Sezioni ---------- */
main > section { padding: 72px var(--margine) 8px; max-width: 1080px; margin: 0 auto; }
main h2 { font: 500 clamp(2.1rem, 8vw, 3.4rem)/1.02 var(--serif); letter-spacing: -.015em; text-wrap: balance; margin-bottom: 22px; }
main h2::after { content: ""; display: block; width: 56px; height: 1px; margin-top: 18px; background: var(--oro); }

.serata-testo { display: grid; gap: 14px; max-width: 62ch; font-size: 1.1rem; color: var(--avorio); }
.dettagli { margin-top: 36px; border-top: 1px solid var(--linea); }
.dettagli div { display: grid; gap: 2px; padding: 16px 0; border-bottom: 1px solid var(--linea); }
.dettagli dt { font: 700 .72rem/1.4 var(--sans); letter-spacing: .2em; text-transform: uppercase; color: var(--oro); }
.dettagli dd { font: 500 1.2rem/1.35 var(--serif); }

/* Elenchi a scomparsa: Cosa ti aspetta, Domande */
.elenco-aperto { border-top: 1px solid var(--linea); }
.elenco-aperto details { border-bottom: 1px solid var(--linea); }
.elenco-aperto summary { list-style: none; cursor: pointer; display: flex; align-items: center; justify-content: space-between;
  gap: 16px; min-height: 60px; padding: 14px 0; font: 500 1.2rem/1.3 var(--serif); }
.elenco-aperto summary::-webkit-details-marker { display: none; }
.elenco-aperto summary::after { content: ""; flex: none; width: 10px; height: 10px; margin-right: 4px;
  border-right: 1.5px solid var(--oro); border-bottom: 1.5px solid var(--oro); transform: rotate(45deg) translateY(-3px);
  transition: transform .45s var(--uscita); }
.elenco-aperto details[open] summary::after { transform: rotate(-135deg) translateY(-3px); }
.elenco-aperto .risposta { padding: 0 0 20px; max-width: 65ch; color: var(--avorio-tenue); white-space: pre-line; }
@media (hover: hover) { .elenco-aperto summary:hover { color: var(--oro-chiaro); } }

/* ---------- Iscrizione ---------- */
.iscrizione { scroll-margin-top: 8px; }
.iscrizione-nota { max-width: 60ch; color: var(--avorio-tenue); }
.iscrizione-presto, .iscrizione-chiuse { display: none; margin-top: 24px; padding: 22px 0; border-block: 1px solid var(--linea);
  font: 500 1.25rem/1.4 var(--serif); }
.iscrizione-presto strong { color: var(--oro); font-weight: 600; }
body[data-stato="presto"] .iscrizione-presto, body[data-stato="chiuse"] .iscrizione-chiuse { display: block; }
body:not([data-stato="aperte"]) .modulo { display: none; }

.modulo { display: grid; gap: 18px; margin-top: 28px; max-width: 560px; }
.campo-coppia { display: grid; gap: 18px; }
.campo { display: grid; gap: 8px; }
.campo > span { font: 700 .72rem/1 var(--sans); letter-spacing: .18em; text-transform: uppercase; color: var(--oro); }
.campo input, .campo select { width: 100%; min-height: 54px; padding: 0 16px; border: 1px solid rgba(243,234,214,.28);
  border-radius: 2px; background: var(--abete-profondo); color: var(--avorio); font: 400 1.0625rem var(--sans);
  caret-color: var(--oro); transition: border-color .3s, box-shadow .3s; }
.campo select { appearance: none; padding-right: 44px;
  background: var(--abete-profondo) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%23d8b866' stroke-width='1.5'/%3E%3C/svg%3E") no-repeat right 16px center / 12px 8px; }
.campo select:disabled { color: rgba(243,234,214,.45); }
.campo input::placeholder { color: rgba(243,234,214,.62); }
.campo input:focus, .campo select:focus { outline: none; border-color: var(--oro); box-shadow: 0 0 0 3px rgba(216,184,102,.25); }
.campo [aria-invalid="true"] { border-color: var(--rosso-chiaro); }

.spunta { display: flex; gap: 14px; align-items: flex-start; cursor: pointer; line-height: 1.45; padding: 4px 0; }
.spunta input { appearance: none; flex: none; width: 24px; height: 24px; margin: 0; border: 1px solid rgba(243,234,214,.45);
  border-radius: 2px; background: var(--abete-profondo); display: grid; place-items: center; cursor: pointer; }
.spunta input::after { content: ""; width: 6px; height: 12px; margin-top: -3px; border-right: 2px solid var(--abete);
  border-bottom: 2px solid var(--abete); transform: rotate(45deg) scale(0); transition: transform .25s var(--uscita); }
.spunta input:checked { background: var(--oro); border-color: var(--oro); }
.spunta input:checked::after { transform: rotate(45deg) scale(1); }
.spunta input[aria-invalid="true"] { border-color: var(--rosso-chiaro); }

.modulo-errore { padding: 12px 14px; border: 1px solid rgba(255,138,138,.5); background: rgba(200,16,46,.14); color: #ffd0d0; }
.modulo .bottone { margin-top: 6px; }

.grazie { margin-top: 28px; padding: 28px 0; border-block: 1px solid var(--oro); max-width: 560px; }
.grazie:focus { outline: none; }
.grazie-titolo { font: italic 500 2.2rem/1.1 var(--serif); color: var(--oro); margin-bottom: 10px; }

/* ---------- Album delle edizioni passate ---------- */
.album { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 260px), 1fr)); gap: 20px; }
.album button { all: unset; cursor: pointer; display: grid; gap: 12px; }
.album button:focus-visible { outline: 2px solid var(--oro-chiaro); outline-offset: 4px; }
.album img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; border-radius: 2px; filter: saturate(.85);
  transition: filter .6s var(--uscita); }
.album-nome { font: 500 1.25rem/1.2 var(--serif); }
.album-conta { display: block; margin-top: 2px; font: 600 .72rem/1 var(--sans); letter-spacing: .18em; text-transform: uppercase; color: var(--avorio-tenue); }
@media (hover: hover) { .album button:hover img { filter: saturate(1.05); } }

.visore { width: 100%; max-width: none; height: 100%; max-height: none; margin: 0; padding: 0; border: 0;
  background: rgba(4,12,9,.97); color: var(--avorio); }
.visore::backdrop { background: rgba(0,0,0,.6); }
.visore-chiudi { position: fixed; top: max(12px, env(safe-area-inset-top)); right: 12px; z-index: 2; width: 48px; height: 48px;
  display: grid; place-items: center; border: 1px solid var(--linea); border-radius: 50%; background: var(--abete); color: var(--avorio); cursor: pointer; }
.visore-chiudi svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.6; }
.visore-titolo { padding: 22px 72px 14px var(--margine); font: 500 1.5rem/1.2 var(--serif); }
.visore-foto { display: flex; gap: 12px; overflow-x: auto; scroll-snap-type: x mandatory; padding: 0 var(--margine) 24px;
  height: calc(100% - 80px); align-items: center; overscroll-behavior: contain; }
.visore-foto img { flex: none; height: 100%; max-height: 80svh; width: auto; max-width: 88vw; object-fit: contain; scroll-snap-align: center; border-radius: 2px; }

/* ---------- Piede ---------- */
.piede { margin-top: 96px; padding: 48px var(--margine) max(40px, env(safe-area-inset-bottom)); border-top: 1px solid var(--linea);
  background: var(--abete-profondo); text-align: center; display: grid; gap: 12px; color: var(--avorio-tenue); font-size: .95rem; }
.piede-firma { font: italic 500 1.6rem/1 var(--serif); color: var(--oro); }
.social { list-style: none; padding: 0; display: flex; justify-content: center; gap: 8px; }
.social a { display: grid; place-items: center; width: 48px; height: 48px; color: var(--avorio); }
.social svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linejoin: round; }
.piede-legale { font-size: .85rem; }
@media (hover: hover) { .social a:hover { color: var(--oro-chiaro); } }

/* ---------- Schermi larghi: la foto a destra come una locandina appesa ---------- */
@media (min-width: 640px) {
  .campo-coppia { grid-template-columns: 1fr 1fr; }
  .sigillo { width: 96px; height: 96px; }
  .sigillo b { font-size: 3rem; }
  .sigillo span { font-size: .66rem; }
}
@media (min-width: 900px) {
  .apertura { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); background: var(--abete); }
  .apertura-foto { position: relative; inset: auto; grid-column: 2; grid-row: 1; z-index: 0; }
  .apertura-foto img { position: absolute; inset: 0; object-position: 50% 55%; }
  .apertura::before { z-index: 1; grid-column: 2; grid-row: 1; position: relative;
    background: linear-gradient(90deg, var(--abete) 0%, rgba(10,31,23,.4) 22%, transparent 45%),
      linear-gradient(0deg, var(--abete) 0%, transparent 18%); }
  .apertura-testo { grid-column: 1; grid-row: 1; justify-content: center; padding: 64px 48px; }
  .titolo-uno { font-size: clamp(4.6rem, 8.4vw, 7.4rem); }
  .titolo-due { font-size: clamp(3.2rem, 5.6vw, 5rem); }
  .quando { font-size: 1.8rem; }
  .stato { margin-top: 40px; }
  .stato-aperte .bottone { width: auto; min-width: 320px; }

  main > section { padding-top: 112px; }
  .serata { display: grid; grid-template-columns: 1.1fr 1fr; column-gap: 64px; align-items: start; }
  .serata h2 { grid-column: 1 / -1; }
  .dettagli { margin-top: 4px; }
}

/* ---------- Pagine di testo: informativa ---------- */
.legale { max-width: 68ch; margin: 0 auto; padding: max(40px, env(safe-area-inset-top)) var(--margine) 80px; }
.legale h1 { font: 500 clamp(2.2rem, 9vw, 3.4rem)/1.05 var(--serif); margin: 28px 0 24px; text-wrap: balance; }
.legale h2 { font: 500 1.45rem/1.2 var(--serif); color: var(--oro); margin: 40px 0 12px; }
.legale p, .legale ul { margin-bottom: 12px; color: var(--avorio-tenue); }
.legale ul { padding-left: 1.2em; }
.legale li { margin-bottom: 4px; }
.legale strong { color: var(--avorio); font-weight: 600; }
.legale-torna a { font: 600 .78rem/1 var(--sans); letter-spacing: .14em; text-transform: uppercase; text-decoration: none; }
.legale-data { margin-top: 40px; font-size: .9rem; }