/* ═══════════════════════════════════════════════════════════════
   INVITO DI NOZZE, foglio di stile
   Stile "black tie": carta avorio, nero inchiostro, tipografia
   sottile e spaziata, tanto respiro bianco.
   PERSONALIZZA: i colori e i font sono tutti qui sotto, in :root.
   ═══════════════════════════════════════════════════════════════ */

:root {
  /* Palette */
  --carta: #f6f4ef;        /* sfondo avorio */
  --inchiostro: #171716;   /* testo principale */
  --inchiostro-tenue: #55544f;
  --linea: rgba(23, 23, 22, 0.28);
  --scuro: #2e2e2b;        /* bottone di conferma */

  /* Font (caricati da Google Fonts in index.html) */
  --font-display: "Julius Sans One", sans-serif;   /* nomi e titoli in maiuscolo */
  --font-serif: "Cormorant Garamond", Georgia, serif; /* testi */
  --font-script: "Pinyon Script", cursive;          /* accenti calligrafici */
  --font-sans: "Karla", Helvetica, sans-serif;      /* etichette e bottoni */
}

/* ── Base ─────────────────────────────────────────────────────── */

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background-color: var(--carta);
  color: var(--inchiostro);
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 1.25rem;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* Leggera texture "carta" su tutta la pagina */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.5;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0.55 0 0 0 0 0.54 0 0 0 0 0.5 0 0 0 0.06 0'/%3E%3C/filter%3E%3Crect width='240' height='240' filter='url(%23n)'/%3E%3C/svg%3E");
}

main, header, footer { position: relative; z-index: 1; }

img { max-width: 100%; display: block; }

section { padding: 5.5rem 1.5rem; }

/* ── Copertina ────────────────────────────────────────────────── */

.hero {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  text-align: center;
  padding: 3rem 1rem 4.5rem;
}

/* Monogramma con le iniziali sovrapposte */
.monogramma {
  font-family: var(--font-display);
  font-size: 2.6rem;
  line-height: 1;
  letter-spacing: 0;
  animation: apparire 1.8s ease both;
}
.monogramma .mono-a { display: inline-block; }
.monogramma .mono-b {
  display: inline-block;
  font-family: var(--font-script);
  font-size: 2.9rem;
  margin-left: -0.55rem;
  position: relative;
  top: 0.55rem;
}

.hero-nomi { animation: apparire 2.2s 0.3s ease both; }

.hero-nomi h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(2.1rem, 7.5vw, 5.2rem);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  line-height: 1.15;
}

.hero-nomi .amp {
  font-family: var(--font-script);
  text-transform: none;
  font-size: 0.72em;
  margin: 0 0.08em;
  position: relative;
  top: 0.08em;
}

.hero-data {
  margin: 1.6rem 0 0;
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: clamp(1.15rem, 2.6vw, 1.6rem);
  letter-spacing: 0.45em;
  text-indent: 0.45em; /* compensa l'ultimo letter-spacing per restare centrati */
}

/* Invito a scorrere: una sottile linea verticale animata */
.scroll-hint {
  display: block;
  width: 1px;
  height: 4rem;
  overflow: hidden;
}
.scroll-hint span {
  display: block;
  width: 1px;
  height: 100%;
  background: var(--inchiostro);
  animation: scorrere 2.4s ease-in-out infinite;
}

@keyframes apparire {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: none; }
}

@keyframes scorrere {
  0%   { transform: translateY(-100%); }
  55%  { transform: translateY(0); }
  100% { transform: translateY(100%); }
}

/* ── Animazione di comparsa allo scroll ───────────────────────── */

.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 1.1s ease, transform 1.1s ease;
}
.reveal.visibile {
  opacity: 1;
  transform: none;
}

/* ── La nostra storia ─────────────────────────────────────────── */

.storia {
  max-width: 42rem;
  margin: 0 auto;
  text-align: center;
  font-style: italic;
  font-weight: 300;
  font-size: clamp(1.2rem, 2.4vw, 1.45rem);
}

.storia p { margin: 0 0 1.6rem; }

.storia-claim {
  font-style: normal;
  font-family: var(--font-display);
  text-transform: uppercase;
  font-size: clamp(0.95rem, 2vw, 1.15rem);
  letter-spacing: 0.22em;
  margin-top: 2.8rem;
}

/* ── Titoli calligrafici ("manca poco...", "il nostro giorno...") ── */

.titolo-script {
  font-family: var(--font-script);
  font-weight: 400;
  font-size: clamp(2.6rem, 6vw, 4rem);
  text-align: center;
  margin: 0 0 3rem;
}

/* ── Conto alla rovescia ──────────────────────────────────────── */

.countdown { text-align: center; }

.countdown-griglia {
  display: flex;
  justify-content: center;
  gap: clamp(1.2rem, 5vw, 3.5rem);
  flex-wrap: wrap;
}

.cd-box { min-width: 4.5rem; }

.cd-num {
  display: block;
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: clamp(2.4rem, 6vw, 3.8rem);
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
}

.cd-label {
  display: block;
  margin-top: 0.4rem;
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: 0.72rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--inchiostro-tenue);
}

/* ── Programma della giornata ─────────────────────────────────── */

.programma { text-align: center; }

.evento { max-width: 34rem; margin: 0 auto; }

.evento-ora {
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: clamp(2.2rem, 5vw, 3rem);
  letter-spacing: 0.12em;
  margin: 0 0 0.6rem;
}

.evento-nome {
  font-family: var(--font-display);
  font-weight: 400;
  text-transform: uppercase;
  font-size: clamp(1.05rem, 2.4vw, 1.35rem);
  letter-spacing: 0.28em;
  margin: 0 0 1.1rem;
}

.evento-luogo {
  font-family: var(--font-sans);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-size: 0.85rem;
  margin: 0 0 0.2rem;
}

.evento-indirizzo {
  font-family: var(--font-sans);
  font-weight: 300;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.72rem;
  color: var(--inchiostro-tenue);
  margin: 0 0 1.6rem;
}

/* Bottone "Mostra la posizione" (link a Google Maps) */
.btn-luogo {
  display: inline-block;
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 0.7rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--inchiostro);
  border: 1px solid var(--inchiostro);
  padding: 0.85em 1.8em 0.85em calc(1.8em + 0.32em);
  transition: background-color 0.35s ease, color 0.35s ease;
}
.btn-luogo:hover,
.btn-luogo:focus-visible {
  background-color: var(--inchiostro);
  color: var(--carta);
}

/* Sottile linea verticale tra un evento e l'altro */
.separatore {
  width: 1px;
  height: 4.5rem;
  background: var(--linea);
  margin: 3rem auto;
}

.dress-code {
  margin: 4.5rem 0 0;
  font-family: var(--font-sans);
  font-weight: 300;
  text-transform: uppercase;
  letter-spacing: 0.3em;
  font-size: 0.78rem;
  color: var(--inchiostro-tenue);
}
.dress-code em {
  font-family: var(--font-script);
  font-style: normal;
  text-transform: none;
  letter-spacing: 0;
  font-size: 1.6rem;
  color: var(--inchiostro);
  margin-left: 0.3rem;
}

/* ── Galleria ─────────────────────────────────────────────────── */

.galleria { max-width: 68rem; margin: 0 auto; }

.galleria-griglia {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.galleria-griglia img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  filter: saturate(0.82);
  cursor: zoom-in;
  transition: filter 0.4s ease, opacity 0.4s ease;
}
.galleria-griglia img:hover { filter: saturate(1); }

.galleria-credit {
  text-align: center;
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: 0.68rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--inchiostro-tenue);
  margin-top: 1.6rem;
}

/* Lightbox */
#lightbox {
  border: none;
  padding: 0;
  background: transparent;
  max-width: min(92vw, 60rem);
  max-height: 88vh;
}
#lightbox::backdrop { background: rgba(15, 15, 14, 0.88); }
#lightbox img {
  max-width: 100%;
  max-height: 88vh;
  object-fit: contain;
  cursor: zoom-out;
}

/* ── RSVP ─────────────────────────────────────────────────────── */

.rsvp {
  max-width: 34rem;
  margin: 0 auto;
  text-align: center;
}

.rsvp-titolo {
  font-family: var(--font-display);
  font-weight: 400;
  text-transform: uppercase;
  font-size: clamp(1.3rem, 3.4vw, 1.9rem);
  letter-spacing: 0.24em;
  margin: 0 0 1.4rem;
}

.rsvp-sottotitolo {
  font-style: italic;
  font-weight: 300;
  margin: 0 0 3rem;
}

#rsvp-form { text-align: left; }

.campo { margin-bottom: 1.8rem; }

.campo-riga {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.campo label,
.campo-scelta legend {
  display: block;
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 0.72rem;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--inchiostro-tenue);
  margin-bottom: 0.5rem;
}

.campo input,
.campo textarea {
  width: 100%;
  border: none;
  border-bottom: 1px solid var(--linea);
  background: transparent;
  font-family: var(--font-serif);
  font-size: 1.15rem;
  color: var(--inchiostro);
  padding: 0.35em 0.1em;
  border-radius: 0;
}
.campo input:focus,
.campo textarea:focus {
  outline: none;
  border-bottom-color: var(--inchiostro);
}
.campo textarea { resize: vertical; }

.campo-scelta {
  border: none;
  padding: 0;
  margin: 0 0 1.8rem;
}

.scelte { display: flex; gap: 1rem; }

.chip input { position: absolute; opacity: 0; }

.chip span {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.78rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  border: 1px solid var(--linea);
  padding: 0.7em 1.9em 0.7em calc(1.9em + 0.28em);
  cursor: pointer;
  transition: border-color 0.3s ease, background-color 0.3s ease, color 0.3s ease;
}
.chip input:checked + span {
  background: var(--inchiostro);
  border-color: var(--inchiostro);
  color: var(--carta);
}
.chip input:focus-visible + span {
  outline: 2px solid var(--inchiostro);
  outline-offset: 2px;
}

.btn-conferma {
  display: block;
  margin: 2.6rem auto 0;
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 0.78rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--carta);
  background: var(--scuro);
  border: 1px solid var(--scuro);
  padding: 1em 3em 1em calc(3em + 0.32em);
  cursor: pointer;
  transition: background-color 0.35s ease, color 0.35s ease;
}
.btn-conferma:hover,
.btn-conferma:focus-visible {
  background: transparent;
  color: var(--inchiostro);
}

.rsvp-nota {
  text-align: center;
  font-style: italic;
  font-size: 1.05rem;
  margin-top: 1.6rem;
}

/* ── Citazione finale ─────────────────────────────────────────── */

.citazione {
  text-align: center;
  padding-top: 3rem;
  padding-bottom: 7rem;
}
.citazione p {
  font-style: italic;
  font-weight: 300;
  font-size: clamp(1.35rem, 3vw, 1.8rem);
  max-width: 34rem;
  margin: 0 auto;
}

/* ── Footer ───────────────────────────────────────────────────── */

.footer {
  text-align: center;
  border-top: 1px solid var(--linea);
  padding: 3rem 1.5rem 3.5rem;
}
.footer p { margin: 0.3rem 0; }
.footer-nomi {
  font-family: var(--font-script);
  font-size: 2rem;
}
.footer-data {
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: 0.72rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--inchiostro-tenue);
}
.footer-demo {
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: 0.62rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--inchiostro-tenue);
  opacity: 0.7;
  margin-top: 1.2rem;
}

/* ── Mobile ───────────────────────────────────────────────────── */

@media (max-width: 640px) {
  section { padding: 4rem 1.25rem; }

  /* Il conto alla rovescia su una riga sola non ci sta: griglia 2x2 */
  .countdown-griglia {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 2rem 1rem;
    max-width: 20rem;
    margin: 0 auto;
  }

  .galleria-griglia { grid-template-columns: repeat(2, 1fr); gap: 0.7rem; }

  .campo-riga { grid-template-columns: 1fr; gap: 0; }

  .hero { padding-bottom: 3rem; }

  /* Su schermo stretto i nomi si impilano su tre righe, con la "&" al centro:
     evita che resti orfana in fondo alla prima riga. */
  .hero-nomi .amp {
    display: block;
    font-size: 1.6rem;
    margin: 0.25em 0;
    top: 0;
  }
}

/* ── Accessibilità: meno animazioni se richiesto dal sistema ──── */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .monogramma, .hero-nomi { animation: none; }
  .scroll-hint span { animation: none; }
}