/* Beautique Network — home "Laboratorio di luce" + tecnologie "energia" */
/* Gli elementi con hidden (modulo e pulsanti consulenza, in attesa dei contatti) restano nascosti anche se hanno display proprio */
[hidden] { display: none !important; }
:root {
  --nero: #050605;
  --nero-2: #0b0d0b;
  --avorio: #f1ece4;
  --avorio-70: rgba(241, 236, 228, .72);
  --avorio-15: rgba(241, 236, 228, .15);
  --sand: #bfb090;
  --gold: #d4c870;
  --straw: #ede4b0;
  --forest: #2e4a2a;
  --forest-scuro: #17261a;
  --olive: #6b7340;
  --serif: "Cormorant Garamond", "Noto Serif SC", serif;
  --sans: Poppins, "Noto Sans SC", system-ui, sans-serif;
  --gutter: clamp(16px, 5vw, 80px);
}
html[lang="zh-CN"] {
  --serif: "Noto Serif SC", "Cormorant Garamond", serif;
  --sans: "Noto Sans SC", Poppins, system-ui, sans-serif;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { background: var(--nero); scroll-behavior: smooth; scroll-snap-type: y proximity; }
body { background: var(--nero); color: var(--avorio); font-family: var(--sans); font-weight: 300; overflow-x: hidden; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { color: inherit; }
ul, ol { list-style: none; }
.nascosto { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.salta { position: absolute; left: -9999px; }
.salta:focus { left: 16px; top: 16px; z-index: 100; background: var(--gold); color: #111; padding: 10px 14px; }
:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; }

/* ---------- elementi comuni ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px; cursor: pointer; border: 0;
  font: 500 14px/1.2 var(--sans); letter-spacing: .04em; padding: 16px 28px; text-decoration: none; border-radius: 999px;
  transition: background .3s, color .3s, box-shadow .3s, border-color .3s;
}
.btn-oro { background: var(--gold); color: #111; box-shadow: 0 0 40px rgba(212, 200, 112, .22); }
.btn-oro:hover { background: var(--straw); box-shadow: 0 0 60px rgba(212, 200, 112, .4); }
.btn-linea { border: 1px solid rgba(241, 236, 228, .35); color: var(--avorio); background: transparent; }
.btn-linea:hover { border-color: var(--gold); color: var(--gold); }
.eyebrow {
  font: 500 12px/1.3 var(--sans); letter-spacing: .28em; text-transform: uppercase; color: var(--gold);
  display: flex; align-items: center; gap: 14px; margin-bottom: 24px;
}
.eyebrow::before { content: ""; width: 36px; height: 1px; background: var(--gold); flex: none; }
.eyebrow.centro { justify-content: center; }
.eyebrow.centro::before { display: none; }
.titolo { font: 300 clamp(40px, 5.4vw, 76px)/1.02 var(--serif); letter-spacing: -.005em; }
.titolo.grande { font-size: clamp(48px, 7.5vw, 112px); }
.titolo em, h1 em { font-style: italic; color: var(--gold); }
html[lang="zh-CN"] .titolo em, html[lang="zh-CN"] h1 em { font-style: normal; }
.lead { font-size: clamp(15px, 1.25vw, 17px); line-height: 1.75; color: var(--avorio-70); max-width: 620px; margin-top: 22px; }
.lead.centro { margin-inline: auto; text-align: center; }
.sezione { padding: clamp(80px, 12vw, 160px) var(--gutter); position: relative; }

/* ---------- testata ---------- */
.testata {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 14px var(--gutter);
  background: linear-gradient(to bottom, rgba(5, 6, 5, .9), rgba(5, 6, 5, 0));
  transition: background .4s, backdrop-filter .4s;
}
.testata.piena { background: rgba(5, 6, 5, .78); -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px); border-bottom: 1px solid var(--avorio-15); }
.marchio img { height: 50px; width: auto; }
.menu { display: flex; gap: 32px; font-size: 13px; letter-spacing: .05em; }
.menu a { text-decoration: none; color: var(--avorio-70); transition: color .3s; }
.menu a:hover { color: var(--gold); }
.destra { display: flex; align-items: center; gap: 14px; }
.lingue { display: flex; border: 1px solid var(--avorio-15); border-radius: 999px; padding: 3px; }
.lingue button { background: none; border: 0; color: var(--avorio-70); font: 500 12px/1 var(--sans); padding: 8px 12px; border-radius: 999px; cursor: pointer; }
.lingue button[aria-pressed="true"] { background: var(--avorio); color: #111; }
.testata .btn { padding: 11px 20px; font-size: 13px; }

/* ---------- 1 · hero ---------- */
.hero {
  position: relative; min-height: 100svh; display: grid; grid-template-columns: 1fr 1.05fr; align-items: center;
  gap: clamp(16px, 4vw, 64px); padding: 110px var(--gutter) 60px;
}
#polvere { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.hero-testo { position: relative; z-index: 2; max-width: 580px; }
h1 { font: 300 clamp(52px, 7.6vw, 108px)/.98 var(--serif); letter-spacing: -.01em; margin-bottom: 26px; }
html[lang="zh-CN"] h1 { font-size: clamp(44px, 6.4vw, 92px); line-height: 1.15; letter-spacing: .02em; }
h1 .riga { display: block; overflow: hidden; padding-bottom: .06em; }
h1 .riga > span { display: block; }
.sotto { font-size: clamp(15px, 1.3vw, 17px); line-height: 1.75; color: var(--avorio-70); max-width: 480px; margin-bottom: 34px; }
.azioni { display: flex; flex-wrap: wrap; gap: 14px; }
.stage { position: relative; z-index: 1; height: min(78svh, 760px); display: grid; place-items: center; perspective: 1200px; }
.teca {
  position: relative; height: 92%; aspect-ratio: 3 / 4.6; border-radius: 22px; overflow: hidden; background: var(--nero-2);
  transform-style: preserve-3d;
  box-shadow: 0 0 0 1px rgba(212, 200, 112, .35), 0 40px 90px rgba(0, 0, 0, .7), 0 0 120px rgba(212, 200, 112, .12);
}
.teca img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 45%; scale: 1.22; filter: contrast(1.06); }
.teca::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(ellipse 75% 65% at 50% 40%, transparent 45%, rgba(5, 6, 5, .75) 100%), linear-gradient(to top, rgba(5, 6, 5, .55), transparent 35%);
}
.lama {
  position: absolute; top: -10%; bottom: -10%; width: 26%; left: -40%; z-index: 2; mix-blend-mode: screen;
  background: linear-gradient(100deg, transparent, rgba(255, 240, 180, 0) 25%, rgba(255, 240, 180, .55) 50%, rgba(255, 240, 180, 0) 75%, transparent);
}
.alone {
  position: absolute; left: 50%; top: 46%; width: 90%; aspect-ratio: 1; transform: translate(-50%, -50%); z-index: -1;
  background: radial-gradient(circle, rgba(212, 200, 112, .22), transparent 60%); filter: blur(40px);
}

/* ---------- 2 · zoom con i 4 passi ---------- */
.zoom { position: relative; height: 320vh; }
.zoom-sticky { position: sticky; top: 0; height: 100svh; overflow: hidden; display: grid; place-items: center; }
.zoom-foto {
  position: absolute; inset: 0; display: grid; place-items: center;
  -webkit-mask-image: radial-gradient(ellipse 55% 55% at 50% 50%, #000 40%, transparent 75%);
          mask-image: radial-gradient(ellipse 55% 55% at 50% 50%, #000 40%, transparent 75%);
}
.zoom-foto img { height: 120svh; width: auto; max-width: none; transform-origin: 46% 34%; filter: brightness(.5) contrast(1.1); }
.passi { position: relative; z-index: 2; width: min(760px, 92vw); height: 50svh; text-align: center; }
.passo { position: absolute; inset: 0; display: grid; place-content: center; opacity: 0; }
.passo b { display: block; font: 500 12px/1 var(--sans); letter-spacing: .3em; color: var(--gold); margin-bottom: 18px; }
.passo h3 { font: 300 clamp(36px, 5.6vw, 76px)/1.04 var(--serif); }
.passo p { margin-top: 18px; color: var(--avorio-70); line-height: 1.7; }

/* ---------- 3 · network ---------- */
.network { background: linear-gradient(to bottom, var(--nero), var(--nero-2)); }
.intesta { max-width: 1000px; margin-bottom: clamp(48px, 7vw, 90px); }
.griglia-servizi { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--avorio-15); }
.servizio { padding: 34px 28px 38px 0; border-bottom: 1px solid var(--avorio-15); position: relative; }
.servizio:not(:nth-child(3n)) { border-right: 1px solid var(--avorio-15); }
.servizio:not(:nth-child(3n+1)) { padding-left: 28px; }
.servizio .n { font: 500 11px/1 var(--sans); letter-spacing: .25em; color: var(--gold); }
.servizio h3 { font: 400 clamp(24px, 2.2vw, 30px)/1.15 var(--serif); margin: 16px 0 10px; }
.servizio p { color: var(--avorio-70); line-height: 1.65; font-size: 14.5px; }
.servizio::before {
  content: ""; position: absolute; left: 0; top: -1px; height: 1px; width: 0; background: var(--gold); transition: width .8s cubic-bezier(.2, .7, .2, 1);
}
.servizio:hover::before { width: 100%; }
.due-modi { margin-top: clamp(70px, 10vw, 130px); }
.sottotitolo { font: 300 clamp(30px, 3.6vw, 48px)/1.1 var(--serif); margin-bottom: 30px; }
.modi { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(14px, 2vw, 28px); }
.modo { border: 1px solid var(--avorio-15); border-radius: 24px; padding: clamp(26px, 3vw, 44px); background: rgba(241, 236, 228, .02); }
.modo-oro { border-color: rgba(212, 200, 112, .45); background: radial-gradient(ellipse at 100% 0%, rgba(212, 200, 112, .1), transparent 60%); }
.modo .tag { font: 500 11px/1 var(--sans); letter-spacing: .22em; text-transform: uppercase; color: var(--gold); }
.modo h4 { font: 400 clamp(28px, 2.8vw, 38px)/1.1 var(--serif); margin: 16px 0 14px; }
.modo p { color: var(--avorio-70); line-height: 1.7; }
.modo .esempio { margin-top: 18px; font-family: var(--serif); font-style: italic; font-size: 19px; color: var(--straw); }
html[lang="zh-CN"] .modo .esempio { font-style: normal; font-size: 16px; }

/* ---------- 4 · tecnologie ---------- */
.tecnologie { position: relative; background: var(--forest-scuro); }
.pagina-tec {
  position: relative; min-height: 100svh; scroll-snap-align: start; overflow: hidden;
  display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: clamp(16px, 4vw, 64px);
  padding: 90px var(--gutter);
  background: radial-gradient(ellipse 70% 80% at 75% 50%, #2b4529 0%, var(--forest-scuro) 70%);
}
.tec-intro { grid-template-columns: 1fr; text-align: center; place-content: center; background: linear-gradient(to bottom, var(--nero-2), var(--forest-scuro)); }
.freccia { margin-top: 40px; color: var(--gold); font-size: 22px; animation: giu 2s ease-in-out infinite; }
@keyframes giu { 50% { transform: translateY(8px); } }
canvas.energia { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; z-index: 3; }
.tec-testo { position: relative; z-index: 4; max-width: 540px; }
.num { font: 500 12px/1 var(--sans); letter-spacing: .3em; color: var(--gold); margin-bottom: 18px; display: block; }
.tec-testo h3 { font: 300 clamp(44px, 5.6vw, 84px)/.98 "Cormorant Garamond", serif; }
.categoria {
  display: inline-block; margin: 16px 0 26px; font: 500 11px/1.4 var(--sans); letter-spacing: .2em; text-transform: uppercase;
  color: var(--straw); border: 1px solid rgba(237, 228, 176, .35); padding: 8px 14px; border-radius: 999px;
}
.blocco + .blocco { margin-top: 22px; }
.blocco h4 { font: 500 11px/1 var(--sans); letter-spacing: .22em; text-transform: uppercase; color: rgba(241, 236, 228, .55); margin-bottom: 10px; }
.blocco p { line-height: 1.7; color: rgba(241, 236, 228, .88); font-size: 15px; }
.blocco ul { display: grid; gap: 8px; }
.blocco li { display: flex; gap: 12px; align-items: baseline; font-size: 15px; line-height: 1.5; }
.blocco li::before { content: ""; flex: none; width: 7px; height: 7px; border-radius: 50%; background: var(--gold); box-shadow: 0 0 10px var(--gold); transform: translateY(-2px); }
.avviso { margin-top: 18px; font-size: 12.5px; color: var(--straw); }
.macchina { position: relative; z-index: 1; height: 66svh; display: grid; place-items: center; }
.cornice { height: 100%; aspect-ratio: 3 / 4.4; border-radius: 26px; overflow: hidden; position: relative; box-shadow: 0 40px 80px rgba(0, 0, 0, .45), 0 0 0 1px rgba(212, 200, 112, .25); }
.cornice { background: #050605; }
.cornice img { width: 100%; height: 100%; object-fit: contain; object-position: 50% 50%; }
.cornice::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to top, rgba(23, 38, 26, .55), transparent 40%); }
.indice { position: fixed; right: clamp(10px, 2vw, 28px); top: 50%; transform: translateY(-50%); z-index: 40; display: grid; gap: 14px; opacity: 0; pointer-events: none; transition: opacity .4s; }
.indice.visibile { opacity: 1; pointer-events: auto; }
.indice a { display: flex; align-items: center; justify-content: flex-end; gap: 10px; text-decoration: none; color: rgba(241, 236, 228, .5); font-size: 11px; letter-spacing: .12em; }
.indice a span { opacity: 0; transition: .3s; }
.indice a i { width: 8px; height: 8px; border-radius: 50%; border: 1px solid rgba(241, 236, 228, .5); transition: .3s; }
.indice a.attivo { color: var(--gold); }
.indice a.attivo span { opacity: 1; }
.indice a.attivo i { background: var(--gold); border-color: var(--gold); box-shadow: 0 0 10px var(--gold); }

/* ---------- 5 · come funziona ---------- */
.come { background: linear-gradient(to bottom, var(--forest-scuro), var(--nero) 40%); }
.linea-passi { display: grid; grid-template-columns: repeat(5, 1fr); gap: 24px; position: relative; }
.linea-passi::before { content: ""; position: absolute; left: 0; right: 0; top: 7px; height: 1px; background: var(--avorio-15); }
.linea-passi::after { content: ""; position: absolute; left: 0; top: 7px; height: 1px; width: var(--avanzamento, 0%); background: var(--gold); box-shadow: 0 0 12px var(--gold); }
.linea-passi li { position: relative; padding-top: 38px; }
.punto { position: absolute; top: 0; left: 0; width: 15px; height: 15px; border-radius: 50%; border: 1px solid var(--gold); background: var(--nero); }
.linea-passi h3 { font: 400 clamp(22px, 2vw, 28px)/1.15 var(--serif); margin-bottom: 10px; }
.linea-passi p { color: var(--avorio-70); line-height: 1.65; font-size: 14.5px; }

/* ---------- 6 · contatti ---------- */
.contatti { display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(32px, 6vw, 96px); align-items: start; }
.frase { margin-top: 34px; font: italic 300 clamp(22px, 2.2vw, 30px)/1.3 var(--serif); color: var(--straw); max-width: 460px; }
html[lang="zh-CN"] .frase { font-style: normal; }
.modulo {
  display: grid; grid-template-columns: 1fr 1fr; gap: 18px; padding: clamp(24px, 3vw, 40px); border-radius: 26px;
  border: 1px solid rgba(212, 200, 112, .3); background: radial-gradient(ellipse at 0% 0%, rgba(212, 200, 112, .08), transparent 55%), var(--nero-2);
}
.campo { display: grid; gap: 8px; }
.intero { grid-column: 1 / -1; }
.campo label { font: 500 11px/1 var(--sans); letter-spacing: .18em; text-transform: uppercase; color: rgba(241, 236, 228, .6); }
.campo input, .campo select {
  width: 100%; font: 400 16px/1.4 var(--sans); color: var(--avorio); background: rgba(241, 236, 228, .04);
  border: 1px solid var(--avorio-15); border-radius: 12px; padding: 14px 16px; transition: border-color .3s;
}
.campo select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--gold) 50%), linear-gradient(135deg, var(--gold) 50%, transparent 50%); background-position: calc(100% - 22px) 52%, calc(100% - 16px) 52%; background-size: 6px 6px; background-repeat: no-repeat; }
.campo select option { background: var(--nero-2); }
.campo input:focus, .campo select:focus { border-color: var(--gold); outline: none; }
.campo input[aria-invalid="true"] { border-color: #d98b6f; }
.consenso { display: flex; gap: 12px; align-items: flex-start; font-size: 13.5px; line-height: 1.5; color: var(--avorio-70); }
.consenso input { margin-top: 3px; accent-color: var(--gold); width: 18px; height: 18px; flex: none; }
.esito { font-size: 14px; color: var(--straw); min-height: 1.4em; }

/* ---------- piede ---------- */
.piede { padding: 70px var(--gutter) 60px; border-top: 1px solid var(--avorio-15); text-align: center; display: grid; gap: 16px; justify-items: center; }
.piede img { height: 64px; width: auto; }
.payoff { font: italic 300 22px/1.3 var(--serif); color: var(--straw); }
html[lang="zh-CN"] .payoff { font-style: normal; }
.legale, .prova { font-size: 12px; color: rgba(241, 236, 228, .5); max-width: 620px; line-height: 1.6; }
.prova { color: var(--gold); }

/* ---------- telefono ---------- */
@media (max-width: 960px) {
  .menu, .solo-desktop { display: none; }
  .marchio img { height: 40px; }
  .hero { grid-template-columns: 1fr; padding-top: 84px; gap: 22px; }
  .stage { height: 42svh; order: -1; }
  .griglia-servizi { grid-template-columns: 1fr; }
  .servizio, .servizio:not(:nth-child(3n+1)) { padding: 28px 0; border-right: 0 !important; }
  .modi { grid-template-columns: 1fr; }
  .pagina-tec { grid-template-columns: 1fr; padding: 72px 18px 64px; align-content: center; gap: 22px; }
  .tec-intro { padding-top: 110px; }
  .macchina { height: 38svh; order: -1; }
  canvas.energia { height: calc(38svh + 72px); }
  .tec-testo h3 { font-size: 46px; }
  .indice { display: none; }
  .linea-passi { grid-template-columns: 1fr; gap: 30px; padding-left: 34px; }
  .linea-passi::before, .linea-passi::after { left: 7px; right: auto; top: 0; bottom: 0; width: 1px; height: auto; }
  .linea-passi::after { height: var(--avanzamento, 0%); bottom: auto; }
  .linea-passi li { padding-top: 0; }
  .punto { left: -34px; }
  .contatti { grid-template-columns: 1fr; }
  .modulo { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .lama, .freccia { display: none; animation: none; }
}