:root {
  --sfondo: #fbf6ee;
  --superficie: #ffffff;
  --testo: #2a1f1a;
  --testo-tenue: #6e6259;
  --bordo: #eadfce;
  --rosso: #b3261e;
  --rosso-scuro: #8a1c15;
  --verde: #1e5e3f;
  --verde-chiaro: #e7f2eb;
  --oro: #c9a227;
  --rosso-chiaro: #fbe8e5;
  --neve: rgba(30, 94, 63, 0.07);
  --ombra: 0 1px 2px rgba(42, 31, 26, 0.06), 0 8px 24px rgba(42, 31, 26, 0.06);
  --raggio: 14px;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --sfondo: #0f1f18;
    --superficie: #172a21;
    --testo: #f4ede4;
    --testo-tenue: #b9b0a5;
    --bordo: #2b4436;
    --rosso: #e0574e;
    --rosso-scuro: #c4413a;
    --verde: #6cc49a;
    --verde-chiaro: #1c3328;
    --oro: #e3c35a;
    --rosso-chiaro: #3a2220;
    --neve: rgba(255, 255, 255, 0.07);
    --ombra: 0 1px 2px rgba(0, 0, 0, 0.3), 0 8px 24px rgba(0, 0, 0, 0.25);
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  line-height: 1.55;
  color: var(--testo);
  background-color: var(--sfondo);
  /* Fiocchi di neve leggerissimi sullo sfondo */
  background-image:
    radial-gradient(circle at 20% 30%, var(--neve) 2px, transparent 2.5px),
    radial-gradient(circle at 75% 70%, var(--neve) 1.5px, transparent 2px),
    radial-gradient(circle at 50% 50%, var(--neve) 2.5px, transparent 3px);
  background-size: 140px 140px, 90px 90px, 210px 210px;
}

a { color: var(--rosso); }

/* --- Testata con neve e ghirlanda --------------------------------------------------------- */

.testata {
  position: relative;
  overflow: hidden;
  background: linear-gradient(160deg, #c22d24 0%, #9e1f18 100%);
  /* Il logo resta allineato alla colonna del contenuto (max 820px) */
  padding: 16px max(16px, calc((100% - 820px) / 2 + 16px));
}
.neve {
  position: absolute;
  inset: -100px 0 0 0;
  pointer-events: none;
  background-image:
    radial-gradient(circle, rgba(255, 255, 255, 0.85) 1.5px, transparent 2px),
    radial-gradient(circle, rgba(255, 255, 255, 0.6) 1px, transparent 1.5px),
    radial-gradient(circle, rgba(255, 255, 255, 0.45) 2px, transparent 2.5px);
  background-size: 60px 50px, 40px 35px, 90px 70px;
  background-position: 0 0, 15px 10px, 35px 20px;
  animation: nevicata 14s linear infinite;
}
@keyframes nevicata {
  to { background-position: 30px 100px, 0 70px, 60px 140px; }
}
@media (prefers-reduced-motion: reduce) {
  .neve { animation: none; }
}

.logo {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #fff;
  font-family: var(--serif);
  font-weight: 700;
  font-size: 1.45rem;
  letter-spacing: .01em;
  text-decoration: none;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.25);
}
.logo-icona { font-size: 1.3rem; }

.ghirlanda {
  height: 14px;
  background:
    radial-gradient(circle at 50% 30%, var(--oro) 4px, transparent 4.5px) 0 0 / 54px 14px,
    radial-gradient(circle at 50% 30%, #1e7a4f 4px, transparent 4.5px) 18px 0 / 54px 14px,
    radial-gradient(circle at 50% 30%, #d8342b 4px, transparent 4.5px) 36px 0 / 54px 14px,
    linear-gradient(#1e5e3f, #1e5e3f) 0 3px / 100% 2px no-repeat,
    var(--sfondo);
}

/* --- Impaginazione --------------------------------------------------------------------- */

.contenuto {
  max-width: 820px;
  margin: 0 auto;
  padding: 28px 16px 48px;
}

.piede {
  text-align: center;
  padding: 24px 16px 32px;
  color: var(--testo-tenue);
  font-size: .9rem;
}
.piede a { color: var(--testo-tenue); }

h1, h2, h3 { font-family: var(--serif); letter-spacing: .005em; }
h3 { font-size: 1.15rem; }
h1 { font-size: 2rem; line-height: 1.2; margin: 0 0 12px; }
h2 { font-size: 1.3rem; margin: 0 0 10px; }

.eroe { text-align: center; padding: 24px 0 32px; }
.eroe h1 { font-size: 2.5rem; color: var(--rosso); }
.eroe p { font-size: 1.12rem; color: var(--testo-tenue); max-width: 600px; margin: 0 auto 26px; }
.eroe .decoro { font-size: 1.4rem; letter-spacing: .4em; margin: 0 0 8px; color: var(--verde); }

.passi {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}
.passo, .scheda {
  background: var(--superficie);
  border: 1px solid var(--bordo);
  border-radius: var(--raggio);
  box-shadow: var(--ombra);
  padding: 20px;
}
.passo { border-top: 4px solid var(--rosso); }
.passo:nth-child(2) { border-top-color: var(--verde); }
.passo:nth-child(3) { border-top-color: var(--oro); }
.passo h3 { margin: 10px 0 8px; }
.passo p { margin: 0; color: var(--testo-tenue); }
.numero {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--rosso);
  color: #fff;
  font-family: var(--serif);
  font-weight: 700;
  box-shadow: inset 0 -3px 0 rgba(0, 0, 0, 0.15);
}
.passo:nth-child(2) .numero { background: var(--verde); }
.passo:nth-child(3) .numero { background: var(--oro); color: #2a1f1a; }

.scheda { margin-bottom: 20px; }
.scheda.centrata { text-align: center; }
.scheda.evidenza { border: 2px solid var(--verde); }
.scheda.pericolo { border-color: var(--rosso-chiaro); box-shadow: none; }

.dettagli { display: flex; flex-wrap: wrap; gap: 8px 20px; color: var(--testo-tenue); }
.nota { color: var(--testo-tenue); font-size: .92rem; }
.facoltativo { color: var(--testo-tenue); font-weight: 400; }

/* --- Avvisi ---------------------------------------------------------------------------- */

.avviso { padding: 12px 16px; border-radius: var(--raggio); margin: 0 0 16px; }
.avviso ul { margin: 0; padding-left: 20px; }
.avviso-ok { background: var(--verde-chiaro); color: var(--verde); border: 1px solid transparent; }
.avviso-errore { background: var(--rosso-chiaro); color: var(--rosso-scuro); }
.avviso-info { background: var(--verde-chiaro); border-left: 4px solid var(--verde); color: var(--testo); text-align: left; }
@media (prefers-color-scheme: dark) { .avviso-errore { color: var(--rosso); } }

/* --- Pulsanti -------------------------------------------------------------------------- */

.bottone, .bottone-link { font: inherit; cursor: pointer; }
.bottone {
  display: inline-block;
  background: var(--rosso);
  color: #fff;
  border: 0;
  border-radius: 999px;
  padding: 10px 22px;
  font-weight: 600;
  text-decoration: none;
  box-shadow: 0 2px 0 var(--rosso-scuro), 0 6px 16px rgba(179, 38, 30, 0.2);
  transition: transform .08s ease, background-color .15s ease;
}
.bottone:hover { background: var(--rosso-scuro); }
.bottone:active { transform: translateY(1px); }
.bottone-grande { font-size: 1.1rem; padding: 14px 30px; }
.bottone-secondario { background: transparent; color: var(--rosso); border: 2px solid var(--rosso); box-shadow: none; }
.bottone-secondario:hover { background: var(--rosso-chiaro); }
.bottone-pericolo { background: var(--rosso-scuro); }
.bottone-link {
  background: none;
  border: 0;
  padding: 0;
  color: var(--rosso);
  text-decoration: underline;
}
.bottone:focus-visible, .bottone-link:focus-visible { outline: 3px solid var(--oro); outline-offset: 2px; }

/* --- Moduli ---------------------------------------------------------------------------- */

.modulo fieldset {
  border: 1px solid var(--bordo);
  border-radius: var(--raggio);
  background: var(--superficie);
  box-shadow: var(--ombra);
  padding: 16px 20px;
  margin: 0 0 20px;
}
.modulo legend { font-family: var(--serif); font-weight: 700; font-size: 1.1rem; padding: 0 6px; color: var(--verde); }
.modulo label { display: block; font-weight: 600; margin-bottom: 12px; }
.modulo label.spunta, label.spunta { display: flex; align-items: center; gap: 8px; font-weight: 400; }
.riga { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 0 16px; }

input:not([type=checkbox]), select, textarea {
  display: block;
  width: 100%;
  margin-top: 4px;
  padding: 10px 12px;
  font: inherit;
  color: var(--testo);
  background: var(--sfondo);
  border: 1px solid var(--bordo);
  border-radius: 10px;
}
input[type=checkbox] { accent-color: var(--verde); width: 18px; height: 18px; }
textarea { resize: vertical; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--oro); outline-offset: 1px; }

.in-linea { display: inline-flex; flex-wrap: wrap; align-items: center; gap: 8px; margin: 0; }
.modulo.in-linea { margin-top: 12px; }
.in-linea input:not([type=checkbox]), .in-linea select { width: auto; flex: 1 1 160px; margin: 0; }

/* --- Tabelle ed elenchi ---------------------------------------------------------------- */

.tabella { width: 100%; border-collapse: collapse; display: block; overflow-x: auto; }
.tabella th, .tabella td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--bordo); }
.tabella th { font-size: .85rem; color: var(--testo-tenue); font-weight: 600; }
.tabella td.email { color: var(--testo-tenue); word-break: break-all; }
.tabella td.azioni { text-align: right; }
.stato-ko { color: var(--rosso); }

.elenco { list-style: none; padding: 0; margin: 0 0 8px; }
.elenco li { display: flex; gap: 12px; align-items: center; padding: 6px 0; border-bottom: 1px solid var(--bordo); }

/* --- Biglietto con il nome del destinatario -------------------------------------------- */

.rivelazione {
  position: relative;
  padding-top: 34px;
  border: 2px solid var(--rosso);
  background:
    linear-gradient(var(--superficie), var(--superficie)) padding-box,
    repeating-linear-gradient(45deg, var(--rosso) 0 10px, var(--verde) 10px 20px) border-box;
  border-color: transparent;
  border-width: 6px;
}
.fiocco {
  position: absolute;
  top: -22px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 2.6rem;
  line-height: 1;
  filter: drop-shadow(0 2px 2px rgba(0, 0, 0, 0.2));
}
.rivelazione p { margin: 6px 0; }
.rivelazione .dettagli { justify-content: center; }
.destinatario {
  font-family: var(--serif);
  font-size: 2.6rem;
  font-weight: 800;
  color: var(--rosso);
  margin: 14px 0 !important;
  word-break: break-word;
}

.lista { white-space: pre-line; word-break: break-word; }
.testo-lungo h2 { margin-top: 20px; }

@media (max-width: 480px) {
  .eroe h1 { font-size: 2rem; }
  .destinatario { font-size: 2.1rem; }
}

/* --- Home: sezioni, vantaggi, domande frequenti -------------------------------------- */

.etichette {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 18px;
  margin: 22px auto 0 !important;
  font-size: .95rem !important;
  color: var(--verde) !important;
  font-weight: 600;
}
.sezione { margin: 48px 0 0; }
.titolo-sezione { text-align: center; font-size: 1.7rem; margin: 0 0 20px; color: var(--testo); }
.titolo-sezione::after {
  content: "";
  display: block;
  width: 64px;
  height: 4px;
  margin: 10px auto 0;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--rosso) 0 33%, var(--verde) 33% 66%, var(--oro) 66%);
}
.vantaggi {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 16px;
}
.vantaggio {
  background: var(--superficie);
  border: 1px solid var(--bordo);
  border-radius: var(--raggio);
  box-shadow: var(--ombra);
  padding: 18px 20px;
}
.vantaggio .icona { font-size: 1.8rem; line-height: 1; }
.vantaggio h3 { margin: 10px 0 6px; }
.vantaggio p { margin: 0; color: var(--testo-tenue); }

.faq { display: grid; gap: 10px; }
.faq details {
  background: var(--superficie);
  border: 1px solid var(--bordo);
  border-radius: var(--raggio);
  padding: 0 18px;
}
.faq summary {
  cursor: pointer;
  list-style: none;
  padding: 14px 28px 14px 0;
  position: relative;
  font-weight: 600;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.4rem;
  color: var(--rosso);
}
.faq details[open] summary::after { content: "−"; }
.faq details p { margin: 0 0 16px; color: var(--testo-tenue); }
.faq summary:focus-visible { outline: 3px solid var(--oro); outline-offset: 2px; border-radius: 6px; }

.chiusura { text-align: center; padding-bottom: 8px; }

.testo-lungo ul { padding-left: 22px; }
.testo-lungo li { margin-bottom: 6px; }
.piede p { margin: 6px 0; }

/* --- Pacco chiuso e apertura ----------------------------------------------------------- */

.pacco-chiuso p { margin: 8px 0; }
.pacco-chiuso form { margin: 18px 0 6px; }
.pacco {
  position: relative;
  width: 150px;
  height: 128px;
  margin: 28px auto 18px;
  filter: drop-shadow(0 8px 12px rgba(0, 0, 0, 0.2));
  animation: dondola 2.6s ease-in-out infinite;
  transform-origin: 50% 100%;
}
.pacco-scatola { position: absolute; left: 10px; right: 10px; top: 40px; bottom: 0; background: var(--verde); border-radius: 6px; }
.pacco-coperchio { position: absolute; left: 0; right: 0; top: 20px; height: 30px; background: #24915e; border-radius: 6px; }
.pacco-nastro-v { position: absolute; left: 63px; width: 24px; top: 20px; bottom: 0; background: var(--oro); }
.pacco-nastro-o { position: absolute; left: 10px; right: 10px; top: 74px; height: 18px; background: var(--oro); }
.pacco-fiocco-s, .pacco-fiocco-d {
  position: absolute;
  top: -4px;
  width: 46px;
  height: 30px;
  border: 10px solid var(--oro);
  border-radius: 50%;
}
.pacco-fiocco-s { left: 26px; transform: rotate(-20deg); }
.pacco-fiocco-d { right: 26px; transform: rotate(20deg); }
@keyframes dondola {
  0%, 70%, 100% { transform: rotate(0); }
  76% { transform: rotate(-4deg); }
  82% { transform: rotate(4deg); }
  88% { transform: rotate(-2deg); }
  94% { transform: rotate(2deg); }
}

.appena-aperto { animation: scarta .7s cubic-bezier(.2, .9, .3, 1.3) both; }
.appena-aperto .destinatario { animation: compare .9s .25s ease-out both; }
@keyframes scarta {
  from { transform: scale(.85); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}
@keyframes compare {
  from { transform: translateY(12px) scale(.9); opacity: 0; letter-spacing: .2em; }
  to { transform: none; opacity: 1; letter-spacing: normal; }
}
@media (prefers-reduced-motion: reduce) {
  .pacco, .appena-aperto, .appena-aperto .destinatario { animation: none; }
}

/* --- Guide e passaparola ---------------------------------------------------------------- */

.briciole { font-size: .9rem; color: var(--testo-tenue); margin: 0 0 12px; }
.briciole a { color: var(--testo-tenue); }
.guida h1 { color: var(--rosso); }
.guida h2 { margin-top: 28px; }
.guida h3 { margin-top: 18px; }
.sommario { font-size: 1.1rem; color: var(--testo-tenue); }
.invito { border: 2px dashed var(--oro); box-shadow: none; }
.invito h2 { margin-top: 0; }
.invito .bottone { margin-top: 6px; }
.bottone-whatsapp { background: #1f8f55; box-shadow: 0 2px 0 #176b40, 0 6px 16px rgba(31, 143, 85, 0.2); }
.bottone-whatsapp:hover { background: #176b40; }
.elenco-guide { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.elenco-guide a {
  display: block;
  padding: 14px 18px;
  background: var(--superficie);
  border: 1px solid var(--bordo);
  border-radius: var(--raggio);
  font-weight: 600;
  text-decoration: none;
}
.elenco-guide a::after { content: " →"; }
.elenco-guide a:hover { border-color: var(--rosso); }
.scheda-link { text-decoration: none; color: inherit; transition: border-color .15s ease; }
.scheda-link:hover { border-color: var(--rosso); }
.scheda-link h2 { font-size: 1.2rem; color: var(--rosso); margin: 0 0 8px; }
.eroe-piccolo { padding: 8px 0 24px; }
.eroe-piccolo h1 { font-size: 2.2rem; }