/* ErreGi Arredamenti — pagina unica, collezione 2027.
   Il blu è quello del logo. */

:root {
  --blu: #018bd3;
  --blu-scuro: #015f92;
  --blu-notte: #08344a;
  --arancio: #018bd3;
  --inchiostro: #1c1c1c;
  --testo: #3f3f3f;
  --muto: #6e7378;
  --linea: #e4e4e4;
  --grigio: #f5f6f8;
  --bianco: #fff;
  --ombra: 0 14px 40px rgba(16, 32, 48, 0.1);
  --header: 78px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--testo);
  background: var(--bianco);
  font-family: Outfit, "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.6;
}
img { max-width: 100%; display: block; }
a { color: var(--blu-scuro); }
button, input, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
h1, h2, h3 { color: var(--inchiostro); line-height: 1.15; font-weight: 560; }
h2 { margin: 0 0 12px; font-size: clamp(2rem, 4vw, 3.1rem); letter-spacing: -0.03em; }
p { margin: 0 0 12px; }

.sr {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.contenitore { width: min(1140px, calc(100% - 40px)); margin: 0 auto; }
.sezione { padding: 88px 0; }
.sezione-grigia { background: var(--grigio); }
.sezione-chiara { background: var(--bianco); }

.etichetta {
  display: flex;
  justify-content: center;
  margin: 0 0 18px;
}
.etichetta span {
  display: flex;
  align-items: center;
  gap: 16px;
  color: var(--inchiostro);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}
.etichetta span::before,
.etichetta span::after {
  content: "";
  width: 64px;
  height: 1px;
  background: #cfcfcf;
}
.intro { max-width: 640px; margin: 0 auto 32px; text-align: center; color: var(--muto); }
#collezioni h2,
#ordini h2,
#catalogo h2,
#novita h2 { text-align: center; }

.bottone {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border: 0;
  background: var(--arancio);
  color: #fff;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-decoration: none;
}
.bottone:hover { background: #3aace0; }
.bottone-linea { background: transparent; border: 1px solid var(--inchiostro); color: var(--inchiostro); }
.bottone-chiaro { background: var(--bianco); color: var(--inchiostro); }
.bottone-centro { display: flex; margin: 28px auto 0; }

/* Caricamento iniziale: quattro rombi, come nel demo che hai indicato. */
#caricamento {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: grid;
  place-items: center;
  background: var(--bianco);
  transition: opacity 0.4s ease;
}
#caricamento.nascosto { opacity: 0; pointer-events: none; }
.rombi { position: relative; width: 54px; height: 54px; animation: gira 1.6s linear infinite; }
.rombi span {
  position: absolute;
  width: 14px;
  height: 14px;
  background: var(--arancio);
  transform: rotate(45deg);
}
.rombi span:nth-child(1) { top: 0; left: 20px; }
.rombi span:nth-child(2) { top: 20px; right: 0; }
.rombi span:nth-child(3) { bottom: 0; left: 20px; }
.rombi span:nth-child(4) { top: 20px; left: 0; }
@keyframes gira { to { transform: rotate(180deg); } }

/* Barra in alto, staccata dai bordi e sempre visibile. */
.header {
  position: fixed;
  z-index: 40;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: stretch;
  width: min(1440px, calc(100% - 28px));
  height: var(--header);
  background: var(--bianco);
  box-shadow: var(--ombra);
}
.logo, .logo-footer {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 18px;
  color: inherit;
  text-decoration: none;
}
.logo-segno {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  background: var(--blu);
  color: white;
  font-weight: 800;
}
.logo strong {
  display: block;
  color: #163042;
  font-size: 26px;
  font-weight: 800;
  letter-spacing: -0.05em;
  line-height: 0.9;
}
.logo small, .logo-footer small {
  display: block;
  color: var(--blu);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.24em;
}
.nav { display: flex; align-items: stretch; margin-left: auto; }
.nav a, .nav-mobile a {
  display: flex;
  align-items: center;
  padding: 0 12px;
  color: var(--inchiostro);
  font-size: 13px;
  font-weight: 650;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  white-space: nowrap;
}
.nav a.attivo, .nav-mobile a.attivo { background: var(--arancio); color: #fff; }
.header-azioni { display: flex; align-items: stretch; }
.header-azioni button, .chiudi {
  position: relative;
  display: grid;
  place-items: center;
  width: 54px;
  border: 0;
  background: transparent;
}
.header-azioni svg, .icona { width: 22px; height: 22px; fill: none; stroke: var(--inchiostro); stroke-width: 1.7; }
.badge {
  position: absolute;
  top: 16px;
  right: 8px;
  min-width: 18px;
  height: 18px;
  padding: 0 4px;
  background: var(--blu);
  color: white;
  font-size: 11px;
  line-height: 18px;
  text-align: center;
}

.hero { position: relative; height: 100vh; min-height: 620px; background: #dfe7ee; }
.hero-finestra { height: 100%; overflow: hidden; }
.hero-track { display: flex; height: 100%; transition: transform 0.6s ease; }
.slide { position: relative; flex: 0 0 100%; height: 100%; }
.slide img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; object-position: center; }
.slide::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(255,255,255,.9) 0%, rgba(255,255,255,.45) 28%, rgba(255,255,255,0) 52%);
}
.slide-testo {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  height: 100%;
  width: min(1140px, calc(100% - 120px));
  margin: 0 auto;
  padding-top: 40px;
}
.kicker, .passo-numero {
  margin: 0 0 10px;
  color: var(--blu-scuro);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}
.slide .kicker { font-size: 17px; }
.slide h1 {
  margin: 0 0 14px;
  max-width: 8ch;
  font-size: clamp(3.45rem, calc(7vw + 4px), 6.45rem);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.slide-testo p:last-of-type { max-width: 360px; font-size: 21px; }

.freccia {
  position: absolute;
  top: 50%;
  z-index: 2;
  width: 46px;
  height: 46px;
  border: 0;
  background: rgba(255,255,255,.92);
  transform: translateY(-50%);
}
.freccia::before {
  content: "";
  display: block;
  width: 10px;
  height: 10px;
  margin: 0 auto;
  border-top: 2px solid var(--inchiostro);
  border-right: 2px solid var(--inchiostro);
}
.freccia-sx { left: 18px; }
.freccia-sx::before { transform: rotate(-135deg); margin-left: 16px; }
.freccia-dx { right: 18px; }
.freccia-dx::before { transform: rotate(45deg); margin-right: 16px; }
.hero-punti { display: flex; justify-content: center; gap: 8px; margin-top: 18px; }
.hero .hero-punti { position: absolute; z-index: 2; left: 0; right: 0; bottom: 22px; margin: 0; }
.hero-punti button {
  width: 10px;
  height: 10px;
  border: 0;
  background: rgba(28,28,28,.25);
}
.hero-punti button.attivo { background: var(--arancio); }

.griglia-categorie, .griglia, .griglia-novita, .vantaggi-griglia {
  display: grid;
  gap: 22px;
}
.griglia-categorie { grid-template-columns: repeat(4, 1fr); }
.carta-categoria {
  display: block;
  color: inherit;
  text-decoration: none;
  background: var(--bianco);
  border: 1px solid var(--blu-scuro);
}
.carta-categoria img { display: block; width: 100%; height: auto; object-fit: contain; background: #e9eef2; }
.carta-categoria h3 { margin: 12px 0 4px; font-size: 1.15rem; }
.carta-categoria p { margin: 0; color: var(--muto); font-size: 0.92rem; }
.carta-categoria:hover h3 { color: var(--blu-scuro); }

.vantaggi { padding: 0 0 10px; }
.vantaggi-griglia { grid-template-columns: repeat(3, 1fr); margin-top: -28px; }
.vantaggi article {
  padding: 28px 24px;
  background: var(--bianco);
  border: 1px solid var(--blu-scuro);
  box-shadow: var(--ombra);
}
.vantaggi h3 { margin: 0 0 8px; font-size: 1.25rem; }

.chi-siamo { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 48px; align-items: center; }
.chi-siamo img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.numeri { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 22px 0 0; }
.numeri div { padding-top: 10px; border-top: 1px solid var(--linea); }
.numeri dt { color: var(--muto); font-size: 13px; letter-spacing: 0.08em; text-transform: uppercase; }
.numeri dd { margin: 4px 0 0; color: var(--inchiostro); font-size: 2rem; font-weight: 650; }

.fascia { background: var(--blu); color: white; }
.fascia-interno {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 48px 0;
}
.fascia h2, .fascia p { color: white; }
.fascia p { margin: 0; max-width: 560px; }

.passi { position: relative; }
.passi-finestra { overflow: hidden; }
.passi-track { display: flex; transition: transform 0.45s ease; }
.passi article {
  flex: 0 0 100%;
  min-height: 230px;
  padding: 36px 72px;
  background: var(--grigio);
}
.passi .freccia { background: var(--bianco); box-shadow: var(--ombra); }
#ordini .hero-punti { margin-top: -8px; }

.filtri { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; }
.filtri button {
  border: 1px solid var(--linea);
  background: var(--bianco);
  padding: 8px 12px;
  color: var(--inchiostro);
}
.filtri button.attivo { border-color: var(--arancio); background: var(--arancio); color: #fff; }
.barra-catalogo {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  margin-bottom: 18px;
}
.barra-catalogo input, .pannello-ricerca input, .modulo input, .modulo textarea, .iscrizione input {
  width: 100%;
  border: 1px solid #d5d5d5;
  background: var(--bianco);
  padding: 12px 14px;
}
.barra-catalogo label { flex: 1; }
#conto-schede { margin: 0; color: var(--muto); }

.griglia { grid-template-columns: repeat(3, 1fr); }
.scheda {
  display: flex;
  flex-direction: column;
  background: var(--bianco);
  border: 1px solid var(--blu-scuro);
}
.scheda-foto {
  position: relative;
  padding: 0;
  border: 0;
  background: #eef1f4;
}
.scheda-foto img { display: block; width: 100%; height: auto; object-fit: contain; }
.scheda-reparto {
  position: absolute;
  right: 10px;
  top: 10px;
  padding: 4px 8px;
  background: var(--bianco);
  color: var(--inchiostro);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.scheda-corpo { display: flex; flex-direction: column; gap: 8px; padding: 14px 4px 8px; }
.scheda h3 { margin: 0 0 0 1mm; font-size: 1.15rem; }
.scheda p { margin: 0 0 0 1mm; color: var(--muto); font-size: 0.95rem; }
.scheda .prezzo,
.lightbox .prezzo,
.novita .prezzo {
  margin: 4px 0 0;
  color: #14532d;
  font-family: Outfit, "Segoe UI", sans-serif;
  font-size: 1.15rem;
  font-weight: 560;
  letter-spacing: normal;
  line-height: 1.15;
}
.scheda .prezzo { margin-left: 1mm; }
.lightbox .prezzo { font-size: 1.4rem; }
.scheda .bottone, .scheda .bottone-linea { margin-top: auto; }

.griglia-novita { grid-template-columns: repeat(3, 1fr); }
.novita {
  display: flex;
  flex-direction: column;
  color: inherit;
  text-decoration: none;
  background: var(--grigio);
  border: 1px solid var(--blu-scuro);
}
.novita img { display: block; width: 100%; height: auto; object-fit: contain; }
.novita div { padding: 16px; }
.novita span { color: var(--blu-scuro); font-size: 12px; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; }
.novita:hover h3 { color: var(--blu-scuro); }

.contatti { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 40px; }
.lista-contatti { list-style: none; margin: 22px 0 0; padding: 0; }
.lista-contatti li { padding: 12px 0; border-top: 1px solid var(--linea); }
.lista-contatti span, .lista-contatti em { display: block; color: var(--muto); font-size: 13px; font-style: normal; }
.lista-contatti a, .lista-contatti strong { color: var(--inchiostro); font-size: 1.15rem; text-decoration: none; }
.modulo { padding: 28px; background: var(--bianco); border: 1px solid var(--blu-scuro); box-shadow: var(--ombra); }
.modulo h3 { margin: 0 0 16px; }
.modulo button:disabled { opacity: 0.7; }
.trappola {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.anteprima-richiesta { display: grid; gap: 14px; margin: 0 0 16px; scroll-margin-top: 110px; }
.anteprima-richiesta p { margin: 0; color: var(--muto); font-size: 14px; }
.anteprima-richiesta figure {
  margin: 0;
  background: var(--bianco);
  border: 1px solid var(--blu-scuro);
}
.anteprima-richiesta img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 320px;
  object-fit: contain;
  background: var(--grigio);
}
.anteprima-richiesta figcaption { padding: 10px 12px 12px; }
.anteprima-richiesta strong { display: block; margin-bottom: 2px; }
.modulo label, .pannello-ricerca label { display: block; margin-bottom: 12px; font-size: 14px; font-weight: 650; }
.campi-due { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.esito { min-height: 1.4em; color: var(--blu-scuro); font-weight: 650; }

.footer { background: var(--blu-notte); color: #d5e3ec; padding-top: 48px; }
.footer-griglia { display: grid; grid-template-columns: 1.2fr 1fr; gap: 30px; }
.logo-footer { margin: 0 0 8px; color: white; font-size: 28px; font-weight: 800; letter-spacing: -0.04em; }
.footer h3 { margin: 0 0 8px; color: white; }
.iscrizione { display: flex; gap: 8px; }
.iscrizione input { flex: 1; }
.copyright { width: min(1140px, calc(100% - 40px)); margin: 28px auto 0; padding: 16px 0; border-top: 1px solid rgba(255,255,255,.15); font-size: 14px; }

.overlay, .lightbox, .tenda {
  position: fixed;
  inset: 0;
  z-index: 50;
}
.tenda { background: rgba(8, 20, 32, 0.45); }
.overlay { z-index: 55; display: grid; place-items: center; background: rgba(255,255,255,.96); }
.pannello-ricerca { position: relative; width: min(720px, calc(100% - 32px)); }
.pannello-ricerca input { font-size: 1.4rem; padding: 16px; }
.suggerimento {
  display: block;
  width: 100%;
  padding: 12px 0;
  border: 0;
  border-bottom: 1px solid var(--linea);
  background: transparent;
  text-align: left;
}
.cassetto {
  position: fixed;
  z-index: 60;
  top: 0;
  right: 0;
  display: flex;
  flex-direction: column;
  width: min(420px, 100%);
  height: 100%;
  background: var(--bianco);
  box-shadow: var(--ombra);
}
.cassetto header, .cassetto footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 18px;
  border-bottom: 1px solid var(--linea);
}
.cassetto footer { border-bottom: 0; border-top: 1px solid var(--linea); }
.cassetto h2 { margin: 0; font-size: 1.4rem; }
#lista-richiesta { flex: 1; overflow: auto; padding: 8px 18px 18px; }
.riga-richiesta {
  display: grid;
  grid-template-columns: 92px 1fr auto;
  gap: 10px;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid var(--linea);
}
.riga-richiesta img { width: 92px; height: 64px; object-fit: cover; background: var(--grigio); }
.riga-richiesta button { border: 0; background: transparent; color: var(--blu-scuro); }
.nav-mobile { display: none; flex-direction: column; padding: 8px 18px 18px; }
.nav-mobile a { padding: 10px 0; border-bottom: 1px solid var(--linea); }
.nav-mobile a.attivo { background: var(--arancio); color: #fff; padding-left: 8px; padding-right: 8px; }
.chiudi { font-size: 32px; line-height: 1; }

.lightbox {
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(8, 16, 24, 0.92);
}
.lightbox figure {
  width: min(980px, calc(100% - 120px));
  max-height: calc(100vh - 40px);
  margin: 0;
  padding: 0 0 20px;
  overflow: auto;
  background: white;
}
.lightbox img {
  display: block;
  width: auto;
  max-width: 100%;
  height: auto;
  max-height: 62vh;
  margin: 0 auto;
  object-fit: contain;
  object-position: center;
  background: transparent;
}
.lightbox figcaption { margin-top: 12px; padding: 0 16px; }
.lightbox h3 { margin: 0 0 6px; font-size: 1.4rem; }
.chiudi-luce { position: absolute; top: 10px; right: 10px; color: white; font-size: 40px; z-index: 2; }
.lightbox .freccia { position: absolute; top: 50%; }

.toast {
  position: fixed;
  z-index: 70;
  left: 50%;
  bottom: 18px;
  transform: translateX(-50%) translateY(20px);
  margin: 0;
  padding: 12px 16px;
  background: var(--inchiostro);
  color: white;
  opacity: 0;
  pointer-events: none;
  transition: 0.25s ease;
}
.toast.visibile { opacity: 1; transform: translateX(-50%) translateY(0); }
.vuoto { padding: 28px; background: var(--bianco); text-align: center; }

[hidden] { display: none !important; }

@media (max-width: 1100px) {
  .nav { display: none; }
  .nav-mobile { display: flex; }
  .griglia-categorie, .griglia { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 800px) {
  .header { top: 0; width: 100%; height: 64px; }
  .hero { height: auto; min-height: 0; margin-top: 64px; }
  .slide { min-height: 78vh; }
  .slide-testo {
    justify-content: flex-start;
    width: min(100% - 32px, 1140px);
    padding-top: 28px;
    padding-bottom: 84px;
  }
  .slide h1 { font-size: 2.95rem; }
  .hero .freccia { top: auto; bottom: 14px; transform: none; }
  .hero .hero-punti { bottom: 32px; }
  .chi-siamo, .contatti, .footer-griglia, .vantaggi-griglia, .griglia-novita, .campi-due, .fascia-interno {
    grid-template-columns: 1fr;
    display: grid;
  }
  .fascia-interno { display: grid; }
  .passi article { padding: 28px 58px; }
  .griglia, .griglia-categorie { grid-template-columns: 1fr; }
  .filtri { flex-wrap: nowrap; overflow-x: auto; padding-bottom: 8px; }
  .filtri button { flex: 0 0 auto; }
  .iscrizione { flex-direction: column; }
  .lightbox figure { width: min(100% - 24px, 980px); }
  .lightbox .freccia { top: 40%; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
}