/* =========================================================
   RD Sistemi S.r.l. – Foglio di stile unico per tutto il sito
   Fondo nero con luci verdi e grigie in movimento.
   ========================================================= */

/* Carattere: Geist (licenza SIL OFL), servito dal nostro server: nessuna richiesta a Google (GDPR).
   Un solo file "variabile" copre tutti gli spessori, dal normale al grassetto. */
@font-face { font-family: "Geist"; src: url("../font/geist-latin.woff2") format("woff2"); font-weight: 100 900; font-display: swap; }

/* ---------- Colori e misure ---------- */
:root {
  --nero: #050607;                     /* fondo */
  --superficie: #0c0f10;               /* fondo dei pannelli */
  --linea: rgba(255, 255, 255, .09);   /* linee sottili */
  --linea-forte: rgba(255, 255, 255, .2);
  --testo: #eef1f2;                    /* testo principale */
  --grigio: #9aa3a6;                   /* testo secondario */
  --verde: #01ad21;                    /* verde del logo */

  --font: "Geist", system-ui, -apple-system, "Segoe UI", sans-serif;
  --larghezza: 1280px;
  --margine: clamp(20px, 5vw, 64px);
  --sezione: clamp(88px, 11vw, 152px);
  --testata: 88px;
  --raggio: 20px;
  --curva: cubic-bezier(.2, .7, .2, 1);
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--testata) + 24px); background: var(--nero); }
body {
  margin: 0; font-family: var(--font); font-size: 17px; line-height: 1.55;
  color: var(--testo); /* il fondo nero è su html, così le luci restano visibili */
  -webkit-font-smoothing: antialiased;
}
html.menu-aperto body { overflow: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--verde); }
h1, h2, h3, p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1 { font-size: clamp(44px, 7.4vw, 92px); font-weight: 600; line-height: 1; letter-spacing: -0.045em; text-wrap: balance; }
h2 { font-size: clamp(32px, 4.4vw, 56px); font-weight: 600; line-height: 1.05; letter-spacing: -0.035em; text-wrap: balance; }
h3 { font-size: clamp(22px, 2.2vw, 30px); font-weight: 600; line-height: 1.15; letter-spacing: -0.025em; }
p { text-wrap: pretty; }

.contenitore { width: 100%; max-width: var(--larghezza); margin: 0 auto; padding: 0 var(--margine); }
.sezione { padding: var(--sezione) 0; position: relative; }
.sezione--stretta { padding-top: clamp(48px, 6vw, 80px); }
.senza-sopra { padding-top: 0; }
.tenue { color: var(--grigio); }

/* Etichetta sopra i titoli, con un punto verde */
.etichetta {
  display: inline-flex; align-items: center; gap: 10px; margin-bottom: 20px;
  font-size: 12px; font-weight: 500; letter-spacing: .16em; text-transform: uppercase; color: var(--grigio);
}
.etichetta::before { content: ""; width: 6px; height: 6px; background: var(--verde); box-shadow: 0 0 12px var(--verde); }

/* Intestazione di sezione: etichetta + titolo */
.intro { margin-bottom: clamp(40px, 5vw, 64px); }

/* ---------- Pulsanti ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 52px; padding: 0 28px; border-radius: 999px; border: 1px solid transparent;
  font: 500 16px/1 var(--font); cursor: pointer;
  transition: background-color .3s, color .3s, border-color .3s;
}
.btn-chiaro { background: var(--testo); color: var(--nero); }
.btn-chiaro:hover { background: var(--verde); color: var(--nero); }
.btn-piccolo { min-height: 44px; padding: 0 22px; font-size: 15px; }

/* Link con sottolineatura verde che si allunga */
.link {
  display: inline-flex; gap: 8px; padding-bottom: 3px; font-weight: 500;
  background: linear-gradient(var(--verde), var(--verde)) 0 100% / 0 1px no-repeat;
  transition: background-size .45s var(--curva);
}
.link:hover { background-size: 100% 1px; color: var(--testo); }

/* =========================================================
   Luci in movimento sul fondo di tutte le pagine
   ========================================================= */
.luci { position: fixed; inset: 0; z-index: -1; overflow: hidden; pointer-events: none; }
.luci span { position: absolute; border-radius: 50%; will-change: transform; }
.luce-1 { width: 70vmax; height: 70vmax; left: -25vmax; top: -30vmax; background: radial-gradient(circle, rgba(1,173,33,.32), rgba(1,173,33,0) 62%); animation: deriva-1 32s ease-in-out infinite alternate, respiro 6s ease-in-out 0s infinite alternate; }
.luce-2 { width: 60vmax; height: 60vmax; right: -25vmax; top: 10vh; background: radial-gradient(circle, rgba(140,152,157,.2), rgba(140,152,157,0) 62%); animation: deriva-2 38s ease-in-out infinite alternate; }
.luce-3 { width: 50vmax; height: 50vmax; left: 20vw; bottom: -30vmax; background: radial-gradient(circle, rgba(0,120,40,.28), rgba(0,120,40,0) 62%); animation: deriva-3 44s ease-in-out infinite alternate, respiro 7s ease-in-out -2s infinite alternate; }
.luce-4 { width: 22vmax; height: 22vmax; left: 55vw; top: 20vh; background: radial-gradient(circle, rgba(70,220,110,.16), rgba(70,220,110,0) 62%); animation: deriva-2 26s ease-in-out infinite alternate-reverse, respiro 5s ease-in-out -1s infinite alternate; }
@keyframes deriva-1 { to { transform: translate(30vw, 25vh) scale(1.2); } }
@keyframes deriva-2 { to { transform: translate(-28vw, 30vh) scale(.85); } }
@keyframes deriva-3 { to { transform: translate(-20vw, -35vh) scale(1.15); } }
/* Respiro: le luci verdi si accendono e si attenuano lentamente */
@keyframes respiro { from { opacity: .55; } to { opacity: 1; } } /* non si spegne mai del tutto */
/* Bagliore centrale che "respira" dietro l'apertura */
/* segue il mouse: la posizione arriva da js/script.js tramite --mx e --my */
.luce-5 { width: 80vmax; height: 80vmax; left: 50%; top: 50%; margin: -40vmax 0 0 -40vmax; translate: var(--mx, 0px) var(--my, -10vh); background: radial-gradient(circle, rgba(1,173,33,.12), rgba(1,173,33,.03) 35%, rgba(1,173,33,0) 60%); animation: respiro-centro 7s ease-in-out infinite; }
/* Scia luminosa disegnata dietro il mouse (canvas creato da js/script.js) */
.luci canvas { position: absolute; inset: 0; width: 100%; height: 100%; filter: blur(96px); /* scia morbida e sfocata */ }
@keyframes respiro-centro { 0%, 100% { transform: scale(.9); opacity: .55; } 50% { transform: scale(1.1); opacity: .85; } }

/* =========================================================
   Testata: trasparente in cima, nera sfocata scorrendo
   ========================================================= */
.testata {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  border-bottom: 1px solid transparent; transition: background-color .4s, border-color .4s;
}
.testata.solida {
  background: rgba(5, 6, 7, .72);
  -webkit-backdrop-filter: saturate(160%) blur(20px); backdrop-filter: saturate(160%) blur(20px);
  border-bottom-color: var(--linea);
}
.testata-interno { position: relative; z-index: 2; display: flex; align-items: center; justify-content: space-between; height: var(--testata); }
.logo img { height: 40px; width: auto; }
.menu { display: flex; align-items: center; gap: 44px; font-size: 17px; font-weight: 500; }
.menu a:not(.btn) { position: relative; color: #dfe4e6; transition: color .3s; }
.menu a:not(.btn):hover, .menu a[aria-current="page"] { color: var(--testo); }
.menu a:not(.btn)::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -6px; height: 1px; background: var(--verde);
  transform: scaleX(0); transform-origin: left; transition: transform .45s var(--curva);
}
.menu a:not(.btn):hover::after, .menu a[aria-current="page"]::after { transform: scaleX(1); }
.menu-contatti { display: none; }

/* Pulsante menu (telefono): due linee che diventano una X */
.menu-toggle { display: none; position: relative; width: 44px; height: 44px; margin-right: -10px; background: none; border: 0; color: var(--testo); cursor: pointer; }
.menu-toggle span { position: absolute; left: 11px; right: 11px; height: 1.5px; background: currentColor; transition: transform .4s var(--curva); }
.menu-toggle span:first-child { top: 18px; }
.menu-toggle span:last-child { top: 25px; }
html.menu-aperto .menu-toggle span:first-child { transform: translateY(3.5px) rotate(45deg); }
html.menu-aperto .menu-toggle span:last-child { transform: translateY(-3.5px) rotate(-45deg); }

/* =========================================================
   Home
   ========================================================= */
/* Apertura centrata a tutto schermo */
.hero { position: relative; min-height: 100vh; min-height: 100svh; display: flex; align-items: center; padding: calc(var(--testata) + 24px) 0 80px; text-align: center; }
.hero .contenitore { display: flex; flex-direction: column; align-items: center; }
.hero h1 { max-width: 16ch; margin: 0 auto; font-size: clamp(40px, 5.6vw, 72px); }
.hero-testo { max-width: 58ch; margin: 22px auto 32px; font-size: clamp(17px, 1.5vw, 20px); color: #c9d0d2; }

/* Indicatore "scorri" in basso */
.scorri { position: absolute; left: 50%; bottom: 24px; width: 1px; height: 48px; background: var(--linea-forte); overflow: hidden; }
.scorri::after { content: ""; position: absolute; left: 0; top: 0; width: 1px; height: 16px; background: var(--verde); animation: scorri 2.2s var(--curva) infinite; }
@keyframes scorri { from { transform: translateY(-16px); } to { transform: translateY(48px); } }

/* Numeri su una riga, divisi da linee sottili */
.numeri { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); width: 100%; max-width: 1000px; margin-top: clamp(40px, 6vh, 72px); border-top: 1px solid var(--linea); }
.numeri li { display: flex; flex-direction: column; align-items: center; gap: 10px; padding: 28px 12px 0; }
.numeri li + li { border-left: 1px solid var(--linea); }
.cifra { font-size: clamp(30px, 5.5vw, 72px); font-weight: 500; line-height: 1; letter-spacing: -0.05em; font-variant-numeric: tabular-nums; }
.cifra .piu { color: var(--verde); font-weight: 400; margin-right: .04em; }
.didascalia { color: var(--grigio); font-size: 15px; }

/* ---------- Pannelli (foto + titolo + parole chiave) ---------- */
.pannello {
  position: relative; display: block; overflow: hidden; isolation: isolate;
  border-radius: var(--raggio); border: 1px solid var(--linea); background: var(--superficie); color: var(--testo);
}
.pannello:hover { color: var(--testo); }
.pannello img {
  position: absolute; inset: 0; z-index: -2; width: 100%; height: 100%; object-fit: cover;
  filter: brightness(.6) saturate(.85); transition: transform 1.2s var(--curva), filter .6s;
}
.pannello:hover img { transform: scale(1.05); filter: brightness(.75) saturate(1); }
.pannello::before { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg, rgba(5,6,7,0) 30%, rgba(5,6,7,.9) 100%); }
.pannello::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 2px; background: var(--verde);
  box-shadow: 0 0 16px var(--verde); transform: scaleX(0); transform-origin: left; transition: transform .7s var(--curva);
}
.pannello:hover::after { transform: scaleX(1); }
.pannello-testo { position: absolute; left: 0; right: 0; bottom: 0; padding: clamp(22px, 2.6vw, 36px); display: grid; gap: 8px; }
.pannello .indice { font-size: 13px; color: var(--grigio); font-variant-numeric: tabular-nums; }
.pannello .parole { font-size: 15px; color: var(--grigio); }
.pannello .vai {
  position: absolute; top: 20px; right: 20px; width: 44px; height: 44px; border-radius: 50%;
  display: grid; place-items: center; border: 1px solid var(--linea-forte); font-size: 18px;
  transition: opacity .4s, background-color .35s, color .35s, border-color .35s, transform .5s var(--curva);
}
.pannello:hover .vai { background: var(--verde); border-color: var(--verde); color: var(--nero); transform: rotate(-45deg); }

/* Fisarmonica: il pannello sotto il mouse si allarga */
.fisarmonica { display: flex; gap: 12px; height: clamp(440px, 46vw, 600px); }
.fisarmonica .pannello { flex: 1 1 0; min-width: 0; transition: flex-grow .9s var(--curva); }
.fisarmonica .pannello.aperto { flex-grow: 3.6; }
.fisarmonica .pannello-testo { opacity: 0; transform: translateY(12px); transition: opacity .5s, transform .6s var(--curva); min-width: 320px; }
.fisarmonica .pannello.aperto .pannello-testo { opacity: 1; transform: none; transition-delay: .25s; }
.fisarmonica .vai { opacity: 0; }
.fisarmonica .pannello.aperto .vai { opacity: 1; }
.pannello-verticale {
  position: absolute; left: 50%; bottom: 28px; transform: translateX(-50%) rotate(180deg);
  writing-mode: vertical-rl; white-space: nowrap; font-size: 20px; font-weight: 600; letter-spacing: -0.01em;
  display: flex; flex-direction: row-reverse; align-items: center; gap: 12px; /* numero in fondo, titolo sopra */
  transition: opacity .4s;
}
/* Primo scorrimento: i pannelli salgono uno dopo l'altro, aprendosi dal basso */
.js .fisarmonica:not(.visibile) .pannello { opacity: 0; }
.fisarmonica.visibile .pannello { animation: pannello-sale 1.2s var(--curva) backwards; animation-delay: calc(var(--i, 0) * .12s); }
.fisarmonica.visibile .pannello img { animation: foto-zoom 1.8s var(--curva) backwards; animation-delay: calc(var(--i, 0) * .12s); }
@keyframes pannello-sale { from { opacity: 0; transform: translateY(120px); clip-path: inset(100% 0 0 0 round var(--raggio)); } to { opacity: 1; transform: none; clip-path: inset(0 0 0 0 round var(--raggio)); } }
@keyframes foto-zoom { from { transform: scale(1.25); } to { transform: scale(1); } }
.pannello-verticale small { font-size: 13px; font-weight: 400; color: var(--grigio); }
.fisarmonica .pannello.aperto .pannello-verticale { opacity: 0; }

/* ---------- Clienti: griglia con linee sottili ---------- */
.griglia-clienti { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); border-top: 1px solid var(--linea); border-left: 1px solid var(--linea); }
.griglia-clienti li { display: flex; align-items: center; justify-content: center; aspect-ratio: 3 / 2; padding: 24px; border-right: 1px solid var(--linea); border-bottom: 1px solid var(--linea); }
/* I loghi diventano chiari: grigio + inversione, il fondo bianco sparisce con "screen" */
.griglia-clienti img {
  height: auto; max-height: 52px; max-width: 100%; object-fit: contain;
  filter: grayscale(1) invert(1); mix-blend-mode: screen; opacity: .55; transition: opacity .4s;
}
.griglia-clienti li:hover img { opacity: 1; }

/* =========================================================
   Pagine interne
   ========================================================= */
.intestazione { padding: calc(var(--testata) + clamp(72px, 10vw, 144px)) 0 clamp(48px, 6vw, 80px); }
.intestazione p:not(.etichetta) { max-width: 46ch; margin-top: 24px; font-size: clamp(17px, 1.5vw, 20px); color: #c9d0d2; }

/* ---------- Servizi: foto grande alternata a sinistra e a destra ---------- */
.servizio { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: clamp(32px, 6vw, 96px); align-items: center; }
.servizio + .servizio { margin-top: clamp(72px, 10vw, 144px); }
.servizio:nth-child(even) { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); }
.servizio:nth-child(even) .foto { order: 2; }
.foto { position: relative; overflow: hidden; aspect-ratio: 4 / 3; border-radius: var(--raggio); border: 1px solid var(--linea); background: var(--superficie); }
.foto img { width: 100%; height: 100%; object-fit: cover; filter: brightness(.8) saturate(.9); transition: transform 1.2s var(--curva), filter .6s; }
.foto:hover img { transform: scale(1.04); filter: brightness(.9) saturate(1); }
.servizio .indice { display: block; margin-bottom: 16px; font-size: 13px; color: var(--grigio); font-variant-numeric: tabular-nums; }
.servizio h2 { font-size: clamp(32px, 3.6vw, 48px); }
.servizio p { margin-top: 18px; color: #c9d0d2; font-size: 18px; max-width: 46ch; }
.servizio .servizio-categoria { margin: 0 0 14px; font-size: 13px; font-weight: 500; letter-spacing: .14em; text-transform: uppercase; color: var(--verde); }
.servizio .btn { margin-top: 32px; }
.parole-chiave { margin-top: 32px; border-top: 1px solid var(--linea); }
.parole-chiave li { display: flex; align-items: center; gap: 14px; padding: 14px 0; border-bottom: 1px solid var(--linea); }
.parole-chiave li::before { content: ""; width: 12px; height: 1px; background: var(--verde); flex: none; }

/* ---------- Come lavoriamo: 4 passi su una riga ---------- */
.passi { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: clamp(24px, 3vw, 40px); }
.passi li { position: relative; padding-top: 28px; border-top: 1px solid var(--linea); }
.passi li::before { content: ""; position: absolute; top: -1px; left: 0; width: 32px; height: 1px; background: var(--verde); box-shadow: 0 0 10px var(--verde); }
.passi .indice { display: block; font-size: 13px; color: var(--grigio); margin-bottom: 40px; font-variant-numeric: tabular-nums; }
.passi h3 { font-size: 22px; }
.passi p { margin-top: 10px; color: var(--grigio); font-size: 16px; }

/* ---------- Invito al contatto ---------- */
.invito { display: flex; align-items: flex-end; justify-content: space-between; gap: 32px; flex-wrap: wrap; padding-top: clamp(48px, 6vw, 72px); border-top: 1px solid var(--linea); }
.invito h2 { font-size: clamp(40px, 6vw, 80px); }

/* ---------- Contatti ---------- */
.reparti { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.reparti .pannello { height: clamp(320px, 30vw, 400px); }
.reparti .email { font-size: 15px; color: var(--testo); }

/* Il modulo è la prima cosa che si vede: titolo e recapiti a sinistra, modulo a destra */
.contatti-apertura { padding-top: calc(var(--testata) + clamp(32px, 5vw, 64px)); }
.contatti {
  display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 7fr); gap: 48px clamp(48px, 8vw, 128px); align-items: start;
  grid-template-areas: "titolo modulo" "recapiti modulo"; grid-template-rows: auto 1fr;
}
.contatti-titolo { grid-area: titolo; }
.contatti-titolo h1 { font-size: clamp(40px, 5vw, 64px); }
.contatti-titolo p:not(.etichetta) { margin-top: 16px; color: #c9d0d2; }
.contatti .modulo { grid-area: modulo; grid-row: 1 / span 2; }
.contatti .recapiti { grid-area: recapiti; }
.recapiti { display: grid; gap: 32px; }
.recapiti .titolo { margin-bottom: 8px; font-size: 12px; font-weight: 500; letter-spacing: .16em; text-transform: uppercase; color: var(--grigio); }
.recapiti p { line-height: 1.75; }
.recapiti a { color: var(--testo); }
.recapiti a:hover { color: var(--verde); }

/* Modulo: riquadro bianco ad alto contrasto, facile da compilare */
.modulo {
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px 20px;
  padding: clamp(24px, 4vw, 48px); border-radius: var(--raggio);
  background: #ffffff; color: #0b0d0e; box-shadow: 0 30px 80px rgba(0, 0, 0, .45);
}
.modulo-titolo { grid-column: 1 / -1; font-size: clamp(28px, 3vw, 36px); color: #0b0d0e; }
.modulo-nota { grid-column: 1 / -1; margin-top: -14px; font-size: 15px; color: #4a5357; }
.campo { display: grid; gap: 8px; }
.campo--intero { grid-column: 1 / -1; }
.campo label, .campo legend { font-size: 15px; font-weight: 500; color: #0b0d0e; }
.campo input, .campo textarea {
  width: 100%; min-height: 54px; padding: 14px 16px; border: 1.5px solid #c9cfd2; border-radius: 12px;
  background: #f6f7f8; color: #0b0d0e; font: 400 17px/1.4 var(--font); outline: none;
  transition: border-color .25s, box-shadow .25s, background-color .25s;
}
.campo input:hover, .campo textarea:hover { border-color: #8f989c; }
.campo textarea { min-height: 150px; resize: vertical; }
.campo input:focus, .campo textarea:focus { border-color: var(--verde); background: #ffffff; box-shadow: 0 0 0 4px rgba(1, 173, 33, .2); }
fieldset.campo { border: 0; padding: 0; margin: 0; min-width: 0; }
.scelte { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 4px; }
.scelta { position: relative; }
.scelta input { position: absolute; top: 0; left: 0; width: 1px; height: 1px; min-height: 0; padding: 0; margin: 0; opacity: 0; pointer-events: none; }
.scelta span {
  display: inline-flex; align-items: center; min-height: 48px; padding: 0 22px; border-radius: 999px;
  border: 1.5px solid #c9cfd2; background: #ffffff; color: #0b0d0e; font-size: 15px; font-weight: 500;
  cursor: pointer; transition: border-color .25s, background-color .25s, color .25s;
}
.scelta span:hover { border-color: #0b0d0e; }
.scelta input:checked + span { background: #0b0d0e; border-color: #0b0d0e; color: #ffffff; }
.scelta input:focus-visible + span { outline: 3px solid rgba(1, 173, 33, .45); outline-offset: 2px; }
.consenso { display: flex; gap: 14px; align-items: flex-start; font-size: 15px; color: #2f383c; cursor: pointer; }
.consenso input { width: 22px; height: 22px; margin: 0; accent-color: var(--verde); flex: none; }
.consenso a { color: #0b0d0e; font-weight: 500; text-decoration: underline; text-underline-offset: 3px; }
.modulo .invio { grid-column: 1 / -1; }
.modulo .btn { min-height: 56px; padding: 0 36px; font-size: 17px; background: #0b0d0e; color: #ffffff; }
.modulo .btn:hover { background: var(--verde); color: #0b0d0e; }

/* Messaggio dopo l'invio */
.esito { grid-column: 1 / -1; padding: 14px 18px; border-radius: 12px; border-left: 4px solid; font-size: 15px; }
.esito-ok { border-color: var(--verde); background: #e6f6ea; color: #14532d; }
.esito-errore { border-color: #c0392b; background: #fdecea; color: #7f1d1d; }
.esito a { text-decoration: underline; }
/* Campo trappola per i robot: fuori dallo schermo */
.trappola { position: absolute; left: -9999px; }

/* ---------- Testo legale (Privacy) ---------- */
.testo-legale { max-width: 760px; }
.testo-legale h2 { font-size: 24px; letter-spacing: -0.02em; margin: 48px 0 12px; }
.testo-legale p { color: #c9d0d2; }
.testo-legale a { color: var(--testo); text-decoration: underline; text-underline-offset: 3px; }

/* =========================================================
   Fondo pagina
   ========================================================= */
.piede { position: relative; border-top: 1px solid var(--linea); font-size: 15px; color: var(--grigio); }
.piede-griglia { display: grid; grid-template-columns: 2fr 1fr 1fr 1.3fr; gap: 40px; padding-top: 72px; padding-bottom: 64px; }
.piede-logo img { height: 32px; width: auto; }
.piede-titolo { margin-bottom: 14px; font-size: 12px; font-weight: 500; letter-spacing: .16em; text-transform: uppercase; color: var(--testo); }
.piede p { line-height: 1.8; }
.piede a { color: var(--testo); }
.piede a:hover { color: var(--verde); }
.piede-fondo { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding-top: 24px; padding-bottom: 32px; border-top: 1px solid var(--linea); font-size: 13px; }

/* Link Privacy nel fondo pagina: area di tocco più comoda */
.piede-fondo a { display: inline-flex; align-items: center; min-height: 44px; margin: -12px 0; }

/* ---------- Comparsa mentre si scorre ---------- */
.js [data-rivela] { opacity: 0; transform: translateY(28px); transition: opacity 1s var(--curva), transform 1s var(--curva); transition-delay: var(--ritardo, 0s); }
.js [data-rivela].visibile { opacity: 1; transform: none; }
img.mancante { visibility: hidden; }

/* =========================================================
   Tablet
   ========================================================= */
@media (max-width: 1024px) {
  .griglia-clienti { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .passi { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: 48px; }
  .piede-griglia { grid-template-columns: 1fr 1fr; }
  .piede-logo { grid-column: 1 / -1; }
}

/* =========================================================
   Schermi touch (telefoni e tablet): niente fisarmonica,
   i pannelli dei servizi sono sempre aperti, in griglia 2×2
   ========================================================= */
@media (max-width: 860px), (hover: none) {
  .fisarmonica { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); height: auto; }
  .fisarmonica .pannello, .fisarmonica .pannello.aperto { height: clamp(240px, 34vw, 340px); }
  .fisarmonica .pannello-testo, .fisarmonica .vai { opacity: 1; transform: none; min-width: 0; }
  .pannello-verticale { display: none; }
}
@media (max-width: 600px) {
  .fisarmonica { grid-template-columns: 1fr; }
  .fisarmonica .pannello, .fisarmonica .pannello.aperto { height: 240px; }
}

/* =========================================================
   Telefono
   ========================================================= */
@media (max-width: 860px) {
  /* Menu a tutto schermo con voci grandi */
  .menu-toggle { display: block; }
  .menu {
    position: fixed; inset: 0; z-index: 1; height: 100vh; height: 100dvh;
    flex-direction: column; align-items: stretch; gap: 0; padding: calc(var(--testata) + 32px) var(--margine) 40px;
    background: var(--nero); opacity: 0; visibility: hidden; transition: opacity .4s, visibility .4s;
  }
  html.menu-aperto .menu { opacity: 1; visibility: visible; }
  html.menu-aperto .testata { background: var(--nero); -webkit-backdrop-filter: none; backdrop-filter: none; }
  .menu a:not(.btn) { font-size: clamp(40px, 11vw, 56px); font-weight: 600; letter-spacing: -0.04em; line-height: 1.1; padding: 14px 0; border-bottom: 1px solid var(--linea); color: var(--testo); }
  .menu a:not(.btn)::after { display: none; }
  .menu a[aria-current="page"] { color: var(--verde); }
  .menu .btn { margin-top: 32px; min-height: 56px; font-size: 17px; }
  .menu-contatti { display: grid; gap: 4px; margin-top: auto; font-size: 16px; color: var(--grigio); }
  /* telefono ed email in basso: testo normale, non come le voci grandi */
  .menu .menu-contatti a:not(.btn) { font-size: 17px; font-weight: 400; letter-spacing: 0; line-height: 1.5; padding: 6px 0; border-bottom: 0; color: var(--grigio); overflow-wrap: anywhere; }
  /* logo e pulsante X restano visibili sopra il menu aperto */
  .logo, .menu-toggle { position: relative; z-index: 2; }
  .menu > * { opacity: 0; transform: translateY(16px); transition: opacity .6s, transform .6s var(--curva); }
  html.menu-aperto .menu > * { opacity: 1; transform: none; }
  html.menu-aperto .menu > *:nth-child(2) { transition-delay: .05s; }
  html.menu-aperto .menu > *:nth-child(3) { transition-delay: .1s; }
  html.menu-aperto .menu > *:nth-child(4) { transition-delay: .15s; }
  html.menu-aperto .menu > *:nth-child(5) { transition-delay: .2s; }

  .contatti { grid-template-columns: 1fr; grid-template-areas: "titolo" "modulo" "recapiti"; }
  .contatti .modulo { grid-row: auto; }
  .logo img { height: 34px; }
  .numeri .didascalia { font-size: 13px; }
  .servizio, .servizio:nth-child(even) { grid-template-columns: 1fr; }
  .servizio:nth-child(even) .foto { order: 0; }
  .reparti { grid-template-columns: 1fr; }
  .reparti .pannello { height: 260px; }
}

@media (max-width: 640px) {
  body { font-size: 16px; }
  .griglia-clienti { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .passi, .modulo { grid-template-columns: 1fr; }
  .piede-griglia { grid-template-columns: 1fr; gap: 32px; }
  .hero .btn, .invito .btn, .modulo .btn { width: 100%; }
}

/* =========================================================
   "Riduci movimento": niente animazioni
   ========================================================= */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
  .js [data-rivela] { opacity: 1; transform: none; }
}