/* ============================================================
   KING — Vernici e prodotti per l'edilizia
   Foglio di stile unico e condiviso da tutte le pagine.
   Palette: Blu King · Oro · Carta (coerente con il logo).
   ============================================================ */

:root {
  /* colori brand */
  --ink:        #1b1d22;
  --blu:        #1c3f74;
  --blu-deep:   #0f2647;
  --blu-soft:   #2c5b9c;
  --oro:        #c29a3e;
  --oro-chiaro: #d8b664;
  --carta:      #fbfaf6;
  --bianco:     #ffffff;

  /* neutri */
  --grigio-1: #f3f2ec;
  --grigio-2: #e7e6df;
  --grigio-3: #c9cbd1;
  --testo:    #2a2d34;
  --testo-2:  #6b7180;

  /* misure */
  --max:      1200px;
  --header-h: 76px;
  --radius:   14px;
  --radius-s: 9px;
  --shadow:   0 1px 2px rgba(15,38,71,.06), 0 8px 24px rgba(15,38,71,.08);
  --shadow-lg:0 18px 50px rgba(15,38,71,.16);

  --font-display: "Oswald", "Segoe UI", system-ui, Arial, sans-serif;
  --font-body: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

/* ---------------------------------------------------------- reset */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--testo);
  background: var(--carta);
  line-height: 1.6;
  font-size: 17px;
}
img { max-width: 100%; display: block; }
a { color: var(--blu); text-decoration: none; }
a:hover { color: var(--blu-soft); }
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 600; line-height: 1.12; color: var(--ink); margin: 0 0 .5em; letter-spacing: .2px; }
h1 { font-size: clamp(2rem, 5vw, 3.2rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.3rem); }
h3 { font-size: 1.25rem; }
p { margin: 0 0 1rem; }
.container { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 22px; }
.muted { color: var(--testo-2); }
.center { text-align: center; }

/* ---------------------------------------------------------- bottoni */
.btn {
  display: inline-flex; align-items: center; gap: .5em;
  font-family: var(--font-display); font-weight: 500; letter-spacing: .4px;
  font-size: 1rem; padding: .72em 1.5em; border-radius: 999px;
  border: 2px solid transparent; cursor: pointer; transition: .18s ease;
  text-transform: uppercase;
}
.btn-primary { background: var(--oro); color: var(--ink); }
.btn-primary:hover { background: var(--oro-chiaro); color: var(--ink); transform: translateY(-1px); }
.btn-ghost { background: transparent; color: var(--bianco); border-color: rgba(255,255,255,.55); }
.btn-ghost:hover { background: rgba(255,255,255,.12); color: var(--bianco); }
.btn-outline { background: transparent; color: var(--blu); border-color: var(--blu); }
.btn-outline:hover { background: var(--blu); color: var(--bianco); }

/* ---------------------------------------------------------- header / nav */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: var(--blu-deep);
  border-bottom: 3px solid var(--oro);
}
.nav {
  display: grid; grid-template-columns: 1fr auto 1fr; align-items: center;
  height: var(--header-h); gap: 18px;
}
.brand-mark { grid-column: 1; justify-self: start; display: inline-flex; align-items: center; }
.brand-mark img { height: 68px; width: auto; display: block; }
.brand { grid-column: 2; justify-self: center; display: flex; align-items: center; }
.brand img { height: 64px; width: auto; display: block; }
.brand .brand-name {
  font-family: var(--font-display); font-weight: 700; font-size: 1.3rem;
  color: var(--bianco); letter-spacing: 1px; line-height: 1;
}
.brand .brand-name small { display:block; font-size:.58rem; letter-spacing:2.5px; color: var(--oro-chiaro); font-weight: 400; }

.nav-links { grid-column: 3; justify-self: end; display: flex; align-items: center; gap: 4px; list-style: none; margin: 0; padding: 0; }
.nav-links a {
  display: block; padding: 10px 16px; color: rgba(255,255,255,.86);
  font-family: var(--font-display); font-weight: 400; letter-spacing: .5px;
  font-size: 1.02rem; border-radius: 8px; position: relative;
}
.nav-links a:hover { color: var(--bianco); background: rgba(255,255,255,.07); }
.nav-links a.active { color: var(--bianco); }
.nav-links a.active::after {
  content: ""; position: absolute; left: 16px; right: 16px; bottom: 4px;
  height: 2px; background: var(--oro); border-radius: 2px;
}
.nav-toggle {
  grid-column: 3; justify-self: end;
  display: none; background: transparent; border: 0; cursor: pointer; padding: 8px;
}
.nav-toggle span { display:block; width: 26px; height: 2px; background: var(--bianco); margin: 5px 0; transition: .2s; }

/* ---------------------------------------------------------- hero (home) */
.hero {
  position: relative; isolation: isolate; color: var(--bianco);
  background: var(--blu-deep); overflow: hidden;
}
.hero::before {            /* sfondo navy con pennellate (immagine fornita) */
  content: ""; position: absolute; inset: 0; z-index: -2;
  background: url("../img/hero-bg-desktop.jpg") center / cover no-repeat;
}
.hero::after {             /* velo per la leggibilità del testo a sinistra */
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(90deg, rgba(15,38,71,.92) 0%, rgba(15,38,71,.66) 44%, rgba(15,38,71,.28) 100%);
}
.hero-grid {
  display: grid; grid-template-columns: 1.1fr .9fr; align-items: center; gap: 40px;
  padding: clamp(48px, 8vw, 96px) 0;
}
.hero h1 { color: var(--bianco); }
.hero .lead { font-size: 1.18rem; color: rgba(255,255,255,.86); max-width: 46ch; }
.hero .eyebrow {
  display:inline-block; font-family: var(--font-display); letter-spacing: 3px;
  text-transform: uppercase; font-size: .8rem; color: var(--oro-chiaro);
  border:1px solid rgba(216,182,100,.5); padding: 5px 14px; border-radius: 999px; margin-bottom: 18px;
}
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 26px; }
.hero-art { display:flex; justify-content:center; }
.hero-art img { width: min(360px, 80%); filter: drop-shadow(0 18px 40px rgba(0,0,0,.35)); }

/* --- hero: contenuto sopra lo sfondo + mascotte con alone --- */
.hero-grid { position: relative; z-index: 1; }
.hero-stage { position: relative; display: flex; justify-content: center; align-items: center; }
.hero-stage::before { content: ""; position: absolute; width: 80%; aspect-ratio: 1; top: 50%; left: 50%;
  transform: translate(-50%,-50%); border-radius: 50%;
  background: radial-gradient(circle, rgba(255,255,255,.16), transparent 64%); }
.hero-stage img { position: relative; width: min(380px, 84%); filter: drop-shadow(0 24px 46px rgba(0,0,0,.42)); }

/* strisce verticali con foto di interni (stile cartella colori).
   Le 5 strisce insieme ricompongono UNA foto intera (ognuna è una fetta).
   In hover tutte e 5 passano insieme a una seconda foto, anch'essa intera. */
.hero-strips {
  --h: clamp(300px, 38vw, 470px);
  --foto: url("../img/ambienti/soggiorno.jpg");      /* foto a riposo (intera) */
  width: 100%; max-width: 480px; margin-inline: auto; height: var(--h);
  display: flex; gap: 10px; align-items: center; justify-content: center;
}
.hero-strips .strip {
  position: relative; overflow: hidden;
  flex: 1 1 0; height: 100%; border-radius: 10px;
  background-image: var(--foto); background-repeat: no-repeat;
  background-size: 500% var(--h); background-position: var(--posx) center;
  box-shadow: 0 18px 34px rgba(0,0,0,.42);
  transition: box-shadow .3s ease, transform .3s ease;
}
/* due livelli sovrapposti per striscia: il JS li alterna in dissolvenza, così il
   cambio tra una foto e l'altra è morbido (crossfade). Ogni livello mostra la
   "fetta" giusta (var --posx) cosicché le 5 strisce ricompongono la foto intera. */
.hero-strips .strip > .lyr {
  position: absolute; inset: 0; border-radius: inherit;
  background-repeat: no-repeat; background-size: 500% var(--h); background-position: var(--posx) center;
  opacity: 0; transition: opacity .55s ease; will-change: opacity;
}
.hero-strips .strip:hover { transform: translateY(-3px); box-shadow: 0 26px 46px rgba(0,0,0,.5); }
.hero-strips .s0 { --posx: 0%;   height: 78%; }
.hero-strips .s1 { --posx: 25%;  height: 100%; }
.hero-strips .s2 { --posx: 50%;  height: 70%; }
.hero-strips .s3 { --posx: 75%;  height: 96%; }
.hero-strips .s4 { --posx: 100%; height: 80%; }

/* ---------------------------------------------------------- sezioni generiche */
.section { padding: clamp(48px, 7vw, 84px) 0; }
.section-alt { background: var(--bianco); }
.section-head { max-width: 60ch; margin-bottom: 38px; }
.section-head.center { margin-left:auto; margin-right:auto; }
.kicker {
  font-family: var(--font-display); text-transform: uppercase; letter-spacing: 2.5px;
  font-size: .82rem; color: var(--oro); font-weight: 500; margin-bottom: 8px;
}

/* griglie di card */
.cards { display: grid; gap: 22px; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); }
.card {
  background: var(--bianco); border: 1px solid var(--grigio-2); border-radius: var(--radius);
  padding: 26px; box-shadow: var(--shadow); transition: .2s;
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); border-color: var(--grigio-3); }
.card .ico { width: 46px; height: 46px; border-radius: 12px; background: rgba(28,63,116,.08);
  display:flex; align-items:center; justify-content:center; color: var(--blu); margin-bottom: 14px; }
.card h3 { margin-bottom: .35em; }

/* griglia categorie come immagini (home) */
.linee-grid { display: grid; gap: 18px; grid-template-columns: repeat(auto-fill, minmax(212px, 1fr)); }
.linea-card {
  display: flex; flex-direction: column; overflow: hidden;
  background: var(--bianco); border: 1px solid var(--grigio-2); border-radius: var(--radius);
  box-shadow: var(--shadow); transition: .2s ease; color: var(--ink);
}
.linea-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--oro); }
.linea-thumb {
  aspect-ratio: 5 / 4; background: linear-gradient(160deg, #f6f5ef, #e7eaf1);
  display: flex; align-items: center; justify-content: center; padding: 16px;
}
.linea-thumb img {
  max-height: 100%; width: auto; object-fit: contain; mix-blend-mode: multiply;
  filter: drop-shadow(0 8px 16px rgba(15, 38, 71, .15)); transition: transform .25s ease;
}
.linea-card:hover .linea-thumb img { transform: scale(1.05); }
.linea-info { padding: 13px 16px; display: flex; align-items: center; justify-content: space-between;
  gap: 10px; border-top: 1px solid var(--grigio-2); }
.linea-name { font-family: var(--font-display); font-weight: 600; font-size: 1rem; line-height: 1.16; }
.linea-card:hover .linea-name { color: var(--blu); }
.linea-meta { font-size: .76rem; color: var(--testo-2); white-space: nowrap; flex: none; }
.linee-more { margin-top: 26px; text-align: center; }

/* sezione ambienti (foto interni/esterni) */
.ambienti-grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); }
.ambiente { position: relative; margin: 0; border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow); aspect-ratio: 4 / 3; }
.ambiente img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.ambiente:hover img { transform: scale(1.06); }
.ambiente figcaption {
  position: absolute; left: 0; right: 0; bottom: 0; padding: 18px 16px 13px; color: var(--bianco);
  font-family: var(--font-display); font-weight: 600; letter-spacing: .4px; font-size: 1.05rem;
  background: linear-gradient(to top, rgba(15,38,71,.85), rgba(15,38,71,0));
}

/* ===== Configuratore "Trova il prodotto giusto" ===== */
.section-config { background: linear-gradient(180deg, #eaf0f8 0%, var(--carta) 100%); }
.config-card {
  max-width: 760px; margin: 0 auto; background: var(--bianco);
  border: 1px solid var(--grigio-2); border-radius: var(--radius);
  box-shadow: var(--shadow-lg); padding: clamp(22px, 4vw, 38px); min-height: 360px;
}
.config-top { display: flex; justify-content: space-between; align-items: center; gap: 12px; font-size: .82rem; }
.config-step { font-family: var(--font-display); text-transform: uppercase; letter-spacing: 1.5px; color: var(--oro); font-weight: 600; }
.config-count { color: var(--testo-2); }
.config-bar { height: 5px; border-radius: 5px; background: var(--grigio-2); margin: 12px 0 22px; overflow: hidden; }
.config-bar span { display: block; height: 100%; background: var(--oro); border-radius: 5px; transition: width .3s ease; }
.config-q { font-size: clamp(1.3rem, 3vw, 1.7rem); margin: 0 0 18px; }
.config-opts { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.config-opt { display: flex; align-items: center; justify-content: space-between; gap: 10px; text-align: left;
  padding: 16px 18px; border: 2px solid var(--grigio-2); border-radius: 12px; background: var(--bianco);
  cursor: pointer; transition: .16s; font: inherit; color: var(--ink); }
.config-opt:hover { border-color: var(--oro); background: #fffdf7; transform: translateY(-2px); box-shadow: var(--shadow); }
.co-label { font-weight: 600; font-size: 1.02rem; }
.co-n { font-size: .76rem; color: var(--testo-2); background: var(--grigio-1); border-radius: 999px; padding: 2px 9px; flex: none; }
.config-opt-skip { border-style: dashed; }
.config-nav { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-top: 24px; }
.config-back { background: none; border: 0; color: var(--blu); cursor: pointer; font: inherit;
  font-family: var(--font-display); letter-spacing: .4px; padding: 8px 4px; }
.config-back:hover { color: var(--blu-soft); }
.btn-sm { padding: .55em 1.1em; font-size: .92rem; }
.config-ctx { color: var(--testo-2); margin: 4px 0 18px; }
.config-results { display: grid; gap: 12px; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); }
.config-res { position: relative; display: flex; align-items: center; gap: 12px; padding: 10px;
  border: 1px solid var(--grigio-2); border-radius: 12px; background: var(--bianco); transition: .16s; color: var(--ink); }
.config-res:hover { border-color: var(--oro); box-shadow: var(--shadow); transform: translateY(-2px); }
.config-res:hover .cr-nome { color: var(--blu); }
.config-best { position: absolute; top: -9px; left: 12px; background: var(--oro); color: var(--ink);
  font-family: var(--font-display); font-size: .66rem; letter-spacing: 1px; text-transform: uppercase;
  font-weight: 600; padding: 2px 8px; border-radius: 999px; }
.cr-thumb { width: 54px; height: 54px; flex: none; border-radius: 8px; background: var(--grigio-1);
  display: flex; align-items: center; justify-content: center; padding: 4px; }
.cr-thumb img { max-width: 100%; max-height: 100%; object-fit: contain; mix-blend-mode: multiply; }
.cr-txt { min-width: 0; }
.cr-nome { display: block; font-weight: 600; font-size: .96rem; line-height: 1.2; }
.cr-cat { display: block; font-size: .76rem; color: var(--testo-2); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.config-empty { color: var(--testo-2); padding: 24px 0; text-align: center; }
.config-empty code { background: var(--grigio-1); padding: 2px 6px; border-radius: 5px; }
.config-more-note { color: var(--testo-2); font-size: .86rem; margin-top: 12px; text-align: center; }

/* striscia statistiche / valori */
.values { display:grid; gap: 22px; grid-template-columns: repeat(auto-fit, minmax(160px,1fr)); }
.value { text-align:center; }
.value .num { font-family: var(--font-display); font-size: 2.4rem; color: var(--blu); font-weight: 700; }
.value .lbl { color: var(--testo-2); font-size: .95rem; }

/* CTA banner */
.cta-band {
  background: linear-gradient(160deg, var(--blu) 0%, var(--blu-deep) 100%);
  color: var(--bianco); border-radius: var(--radius); padding: clamp(34px,5vw,56px);
  text-align:center;
}
.cta-band h2 { color: var(--bianco); }
.cta-band p { color: rgba(255,255,255,.85); max-width: 52ch; margin-inline:auto; }

/* ============================================================
   PRODOTTI — vista master-detail
   ============================================================ */
.prodotti-page { padding-top: 26px; padding-bottom: 56px; }
.prodotti-intro { margin-bottom: 18px; }
.prodotti-intro h1 { margin-bottom: .15em; }

.toolbar { display:flex; flex-wrap: wrap; gap: 12px; align-items: center; margin-bottom: 18px; }
.search {
  flex: 1 1 260px; display:flex; align-items:center; gap: 10px;
  background: var(--bianco); border: 1px solid var(--grigio-3); border-radius: 999px;
  padding: 8px 16px; box-shadow: var(--shadow);
}
.search input { border: 0; outline: 0; font-size: 1rem; width: 100%; background: transparent; color: var(--testo); }
.search svg { color: var(--testo-2); flex:none; }
.filtro-cat { display:flex; align-items:center; gap: 8px; }
.filtro-cat label { font-size:.9rem; color: var(--testo-2); }
.filtro-cat select {
  font-size: 1rem; padding: 9px 14px; border-radius: 999px; border:1px solid var(--grigio-3);
  background: var(--bianco); color: var(--testo); cursor: pointer; box-shadow: var(--shadow);
  max-width: 70vw;
}
.result-count { font-size:.9rem; color: var(--testo-2); margin-left:auto; }

.catalogo {
  display: grid; grid-template-columns: minmax(300px, 384px) 1fr; gap: 24px;
  align-items: start;
}

/* lista a sinistra */
.lista-wrap {
  background: var(--bianco); border:1px solid var(--grigio-2); border-radius: var(--radius);
  box-shadow: var(--shadow); overflow: hidden;
  position: sticky; top: calc(var(--header-h) + 16px);
  max-height: calc(100vh - var(--header-h) - 32px);
  display: flex; flex-direction: column;
}
.lista-head { padding: 12px 16px; border-bottom: 1px solid var(--grigio-2); font-family: var(--font-display);
  letter-spacing:.5px; color: var(--testo-2); font-size:.85rem; text-transform: uppercase; }
.lista { list-style: none; margin: 0; padding: 6px; overflow-y: auto; }
.lista::-webkit-scrollbar { width: 10px; }
.lista::-webkit-scrollbar-thumb { background: var(--grigio-3); border-radius: 8px; border: 3px solid var(--bianco); }

.lista li { margin: 0; }
.prod-item {
  display: flex; align-items: center; gap: 12px; width: 100%; text-align: left;
  padding: 9px 10px; border: 0; background: transparent; cursor: pointer;
  border-radius: 10px; border-left: 3px solid transparent; transition: .14s;
  font: inherit; color: var(--testo);
}
.prod-item:hover { background: var(--grigio-1); }
.prod-item.active { background: rgba(28,63,116,.07); border-left-color: var(--oro); }
.prod-item.active .pi-nome { color: var(--blu); }
.prod-item .pi-thumb {
  width: 52px; height: 52px; flex: none; border-radius: 8px; object-fit: cover;
  background: var(--grigio-1); border:1px solid var(--grigio-2);
}
.prod-item .pi-txt { min-width: 0; display: block; }
.prod-item .pi-nome { display: block; font-weight: 600; font-size: .98rem; line-height: 1.25; color: var(--ink);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.prod-item .pi-cat { display: block; font-size: .78rem; color: var(--testo-2); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.lista-empty { padding: 28px 16px; text-align:center; color: var(--testo-2); }

/* riga-categoria che separa i gruppi nella lista (come in gestione catalogo) */
.lista-cat {
  position: sticky; top: 0; z-index: 1; list-style: none;
  background: #e9eff8; color: var(--blu);
  font-family: var(--font-display); font-weight: 600;
  text-transform: uppercase; letter-spacing: .6px; font-size: .74rem;
  padding: 8px 14px; margin: 6px 0 3px;
  border-top: 1px solid var(--grigio-2); border-bottom: 1px solid var(--grigio-2);
}
.lista-cat:first-child { margin-top: 0; border-top: 0; }

/* dettaglio a destra */
.dettaglio {
  background: var(--bianco); border:1px solid var(--grigio-2); border-radius: var(--radius);
  box-shadow: var(--shadow); overflow: hidden; min-height: 60vh;
}
.det-back { display: none; } /* solo mobile */
.det-hero {
  display: grid; grid-template-columns: 1fr; gap: 0;
}
.det-figure {
  background: linear-gradient(160deg, #f6f5ef, #e9ebf1);
  display:flex; align-items:center; justify-content:center; padding: 26px;
  min-height: 320px;
}
.det-figure img { max-height: 420px; width:auto; object-fit: contain;
  filter: drop-shadow(0 14px 30px rgba(15,38,71,.18)); }
.det-body { padding: clamp(22px, 3vw, 38px); }
.badge {
  display:inline-block; font-family: var(--font-display); letter-spacing: 1px; text-transform: uppercase;
  font-size: .74rem; font-weight: 500; color: var(--blu); background: rgba(28,63,116,.08);
  padding: 5px 12px; border-radius: 999px; margin-bottom: 14px;
}
.det-body h2 { font-size: clamp(1.6rem, 3vw, 2.1rem); margin-bottom: .3em; }
.det-desc { font-size: 1.06rem; color: var(--testo); margin-bottom: 26px; }

.spec-block { margin-top: 22px; }
.spec-block h4 {
  font-family: var(--font-display); text-transform: uppercase; letter-spacing: 1.5px;
  font-size: .82rem; color: var(--oro); margin: 0 0 12px; font-weight: 600;
}
.spec-list { list-style:none; margin:0; padding:0; display:grid; gap: 8px; }
.spec-list li {
  display:flex; gap: 10px; align-items:flex-start;
  background: var(--grigio-1); border-radius: 8px; padding: 10px 14px; font-size: .98rem;
}
.spec-list li::before { content: ""; width: 7px; height: 7px; margin-top: 8px; border-radius: 50%;
  background: var(--oro); flex: none; }
.det-empty { padding: 60px 30px; text-align:center; color: var(--testo-2); }

/* stato di errore caricamento dati */
.load-error {
  background: #fff7ed; border:1px solid #f3d4a8; color: #7a4d12;
  border-radius: var(--radius); padding: 22px 24px; margin-top: 20px;
}
.load-error code { background: #fbe6cd; padding: 2px 7px; border-radius: 6px; font-size:.92em; }

/* ---------------------------------------------------------- pagine contenuto */
.page-hero {
  background: linear-gradient(160deg, var(--blu) 0%, var(--blu-deep) 100%);
  color: var(--bianco); padding: clamp(40px, 6vw, 70px) 0;
}
.page-hero h1 { color: var(--bianco); }
.page-hero p { color: rgba(255,255,255,.85); max-width: 60ch; }
.prose { max-width: 72ch; }
.prose h2 { margin-top: 1.6em; }
.prose ul { padding-left: 1.2em; }
.prose li { margin-bottom: .4em; }

.info-grid { display:grid; gap: 20px; grid-template-columns: repeat(auto-fit, minmax(240px,1fr)); }
.info-card { background: var(--bianco); border:1px solid var(--grigio-2); border-radius: var(--radius);
  padding: 24px; box-shadow: var(--shadow); }
.info-card .ico { width:44px;height:44px;border-radius:12px;background:rgba(194,154,62,.14);
  color: var(--oro); display:flex;align-items:center;justify-content:center;margin-bottom:12px; }
.info-card a { font-weight: 600; }
.placeholder-pill { display:inline-block; background:#fff3d6; color:#7a5a12; font-size:.78rem;
  padding:2px 9px; border-radius:999px; margin-left:6px; vertical-align:middle; }

.form-grid { display:grid; gap:16px; grid-template-columns: 1fr 1fr; }
.form-grid .full { grid-column: 1 / -1; }
.field label { display:block; font-size:.9rem; color: var(--testo-2); margin-bottom:6px; font-weight:600; }
.field input, .field textarea {
  width:100%; padding:12px 14px; border:1px solid var(--grigio-3); border-radius: var(--radius-s);
  font: inherit; background: var(--bianco); color: var(--testo);
}
.field input:focus, .field textarea:focus { outline: 2px solid var(--blu-soft); border-color: var(--blu-soft); }

/* ---------------------------------------------------------- footer */
.site-footer { background: var(--ink); color: rgba(255,255,255,.72); margin-top: 0; }
.footer-grid { display:grid; gap: 30px; grid-template-columns: 1.4fr 1fr 1fr; padding: 52px 0 30px; }
.footer-grid h4 { color: var(--bianco); font-size: .95rem; text-transform: uppercase; letter-spacing: 1.5px; }
.footer-brand img { height: 64px; margin-bottom: 14px; }
.footer-links { list-style:none; margin:0; padding:0; display:grid; gap: 8px; }
.footer-links a { color: rgba(255,255,255,.72); }
.footer-links a:hover { color: var(--oro-chiaro); }
.footer-bottom { border-top:1px solid rgba(255,255,255,.12); padding: 18px 0; font-size:.85rem;
  display:flex; justify-content:space-between; gap:14px; flex-wrap:wrap; color: rgba(255,255,255,.5); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; text-align: center; }
  .hero .lead { margin-inline:auto; }
  .hero-cta { justify-content:center; }
  .hero-art { order: -1; }
  .hero-art img { width: min(260px, 60%); }
  .hero::before { background-image: url("../img/hero-bg-mobile.jpg"); }
  .hero::after { background: linear-gradient(180deg, rgba(15,38,71,.50) 0%, rgba(15,38,71,.82) 100%); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

/* --- breakpoint chiave del master-detail --- */
@media (max-width: 880px) {
  /* nav mobile */
  .nav-toggle { display: block; }
  .nav-links {
    position: absolute; top: var(--header-h); left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--blu-deep); border-bottom: 3px solid var(--oro);
    max-height: 0; overflow: hidden; transition: max-height .28s ease;
  }
  .nav.open .nav-links { max-height: 320px; }
  .nav-links a { padding: 14px 22px; border-top: 1px solid rgba(255,255,255,.08); border-radius: 0; }
  .nav-links a.active::after { display:none; }
  .nav-links a.active { background: rgba(255,255,255,.06); border-left: 3px solid var(--oro); }

  /* il master-detail diventa a colonna singola */
  .catalogo { grid-template-columns: 1fr; }
  .lista-wrap {
    position: static; max-height: none;
  }
  .lista { max-height: none; }

  /* il dettaglio diventa un overlay a tutto schermo, nascosto finche' non si seleziona */
  .dettaglio {
    position: fixed; inset: 0; z-index: 80; border-radius: 0; border: 0;
    margin: 0; overflow-y: auto; min-height: 100vh;
    transform: translateX(100%); transition: transform .26s ease;
    visibility: hidden;
  }
  body.detail-open .dettaglio { transform: translateX(0); visibility: visible; }
  body.detail-open { overflow: hidden; }

  .det-back {
    display: inline-flex; align-items: center; gap: 8px; position: sticky; top: 0; z-index: 2;
    width: 100%; background: var(--blu-deep); color: var(--bianco);
    border: 0; border-bottom: 3px solid var(--oro); cursor: pointer;
    font-family: var(--font-display); font-size: 1rem; letter-spacing: .5px;
    padding: 15px 20px; text-transform: uppercase;
  }
  .det-figure { min-height: 240px; }
  .det-figure img { max-height: 300px; }
  .result-count { width:100%; margin-left:0; }
}

@media (max-width: 520px) {
  body { font-size: 16px; }
  .container { padding: 0 16px; }
  .brand img { height: 50px; }
  .brand-mark img { height: 52px; }
  .form-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .det-body { padding: 20px; }
}

/* ------------------------------- ciclo di applicazione (nei risultati) */
.config-hero { margin-bottom: 4px; }
.config-res.is-hero { padding: 14px; border-color: var(--oro); background: #fffdf7; }
.config-res.is-hero .cr-thumb { width: 68px; height: 68px; }
.config-res.is-hero .cr-nome { font-size: 1.08rem; }

.ciclo {
  margin: 20px 0 4px; padding: 18px;
  border: 1px solid var(--grigio-2); border-radius: var(--radius-s); background: var(--grigio-1);
}
.ciclo-head {
  font-family: var(--font-display); text-transform: uppercase; letter-spacing: 1px;
  font-size: .82rem; color: var(--blu); font-weight: 600; margin-bottom: 14px;
}
.ciclo-steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.ciclo-step { display: flex; align-items: center; gap: 12px; }
.cs-num {
  flex: none; width: 26px; height: 26px; border-radius: 50%;
  background: var(--blu); color: var(--bianco); font-family: var(--font-display);
  font-size: .9rem; display: grid; place-items: center;
}
.cs-prod { flex: 1 1 auto; min-width: 0; display: flex; flex-direction: column; text-decoration: none; }
.cs-role { font-size: .72rem; text-transform: uppercase; letter-spacing: .5px; color: var(--oro); font-weight: 600; }
.cs-nome { font-weight: 600; color: var(--testo); font-size: .98rem; line-height: 1.2; }
.cs-prod:hover .cs-nome { color: var(--blu); }
.cs-litri { flex: none; font-size: .84rem; color: var(--testo-2); text-align: right; white-space: nowrap; }
.cs-litri.on { color: var(--blu); font-weight: 600; }
.ciclo-calc {
  margin-top: 16px; padding-top: 14px; border-top: 1px dashed var(--grigio-3);
  display: flex; align-items: center; gap: 12px 16px; flex-wrap: wrap;
}
.ciclo-calc-lab { font-weight: 600; font-size: .92rem; display: flex; align-items: center; gap: 8px; }
.ciclo-calc-lab input { width: 92px; padding: 7px 9px; border: 1px solid var(--grigio-3); border-radius: 8px; font: inherit; }
.ciclo-calc-hint { font-size: .82rem; color: var(--testo-2); }
.config-altri-head {
  font-family: var(--font-display); text-transform: uppercase; letter-spacing: 1px;
  font-size: .8rem; color: var(--testo-2); margin: 22px 0 10px;
}

/* ---------------------------------- calcolatore resa (pagina Prodotti) */
.calc-panel { margin: 0 0 24px; }
.calc-panel-head { margin-bottom: 12px; }
.calc-panel-head h2 { font-size: 1.2rem; margin: 0; }
.calc-panel-head p { margin: 3px 0 0; }
.calc-card {
  background: var(--bianco); border: 1px solid var(--grigio-2); border-radius: var(--radius);
  padding: clamp(16px, 2.5vw, 24px); box-shadow: var(--shadow);
}
.calc-loading { color: var(--testo-2); margin: 0; }
.calc-row { display: grid; gap: 14px; grid-template-columns: 2fr 1fr 1fr; }
.calc-field { display: flex; flex-direction: column; gap: 6px; }
.calc-field > span { font-size: .74rem; font-weight: 600; color: var(--testo-2); text-transform: uppercase; letter-spacing: .5px; }
.calc-field select, .calc-field input {
  padding: 10px 12px; border: 1px solid var(--grigio-3); border-radius: 8px; background: var(--carta); font: inherit;
}
.calc-out:not(:empty) { margin-top: 18px; }
.calc-prodname { font-family: var(--font-display); font-size: 1.1rem; color: var(--blu); }
.calc-cat { font-family: var(--font-body); font-size: .8rem; color: var(--testo-2); }
.calc-resa { margin-top: 4px; color: var(--testo); font-size: .92rem; }
.calc-resa-na { color: var(--testo-2); font-style: italic; }
.calc-result {
  margin-top: 14px; display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap;
  padding: 14px 16px; background: var(--grigio-1); border-radius: var(--radius-s);
}
.calc-big { font-family: var(--font-display); font-size: 1.9rem; color: var(--blu); line-height: 1; }
.calc-sub { color: var(--testo-2); font-size: .9rem; }
.calc-note { margin-top: 14px; padding: 12px 14px; background: #fdf7e8; border-radius: var(--radius-s); font-size: .9rem; color: var(--testo); }

@media (max-width: 620px) {
  .calc-row { grid-template-columns: 1fr 1fr; }
  .calc-field:first-child { grid-column: 1 / -1; }
  .ciclo-step { flex-wrap: wrap; }
  .cs-litri { width: 100%; text-align: left; padding-left: 38px; }
}

/* ------------------------------------------- carosello coverflow (home) */
.cover-stage {
  position: relative; height: clamp(280px, 34vw, 420px);
  perspective: 1300px; overflow: hidden;
}
.cover-slide {
  position: absolute; left: 50%; top: 50%;
  width: min(64%, 540px); aspect-ratio: 16 / 10;
  border-radius: 16px; overflow: hidden; cursor: pointer;
  box-shadow: 0 24px 50px rgba(18, 42, 84, .35);
  transition: transform .55s cubic-bezier(.22,.9,.3,1), opacity .4s ease, filter .55s ease;
  will-change: transform;
}
.cover-slide img { width: 100%; height: 100%; object-fit: cover; display: block; pointer-events: none; }
.cover-slide figcaption {
  position: absolute; left: 0; right: 0; bottom: 0; padding: 34px 22px 16px;
  background: linear-gradient(transparent, rgba(18,42,84,.85));
  color: var(--bianco); font-family: var(--font-display); font-size: 1.15rem; letter-spacing: 1px;
  opacity: 0; transition: opacity .4s ease;
}
.cover-slide.is-cur figcaption { opacity: 1; }
.cover-nav { display: flex; justify-content: center; align-items: center; gap: 18px; margin-top: 24px; }
.cover-btn {
  width: 46px; height: 46px; border-radius: 50%; border: 2px solid var(--blu);
  background: transparent; color: var(--blu); font-size: 1.25rem; line-height: 1; cursor: pointer;
  transition: background .2s, color .2s;
}
.cover-btn:hover { background: var(--blu); color: var(--bianco); }
.cover-dots { display: flex; gap: 8px; }
.cover-dot {
  width: 10px; height: 10px; padding: 0; border: 0; border-radius: 50%;
  background: #c9c4b4; cursor: pointer; transition: all .25s;
}
.cover-dot.on { background: var(--oro); width: 26px; border-radius: 999px; }

/* ---------------------------------------------------------- FAQ (home) */
.faq-list { max-width: 820px; margin: 0 auto; display: grid; gap: 12px; }
.faq {
  background: var(--bianco); border: 1px solid #e3e0d6; border-radius: 12px;
  box-shadow: 0 2px 8px rgba(27, 29, 34, .05);
}
.faq summary {
  list-style: none; cursor: pointer;
  display: flex; align-items: center; gap: 12px;
  padding: 16px 20px;
  font-family: var(--font-display); font-weight: 500; font-size: 1.05rem;
  color: var(--blu);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; margin-left: auto; flex: 0 0 auto;
  font-size: 1.5rem; line-height: 1; color: var(--oro);
  transition: transform .25s ease;
}
.faq[open] summary::after { transform: rotate(45deg); }
.faq-body { padding: 0 20px 18px; }
.faq-body p { margin: 0; }

/* ------------------------------------------- scheda prodotto: condividi */
.det-share {
  display: inline-flex; align-items: center; gap: 7px;
  margin-left: 10px; padding: 5px 12px;
  background: transparent; border: 1px solid var(--blu); border-radius: 999px;
  color: var(--blu); font: inherit; font-size: .82rem; font-weight: 600;
  cursor: pointer; vertical-align: middle;
  transition: background .2s ease, color .2s ease;
}
.det-share:hover { background: var(--blu); color: var(--bianco); }
.det-share.ok { border-color: #2e7d32; color: #2e7d32; background: transparent; }

/* riduci-movimento */
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; scroll-behavior: auto !important; }
}