/* Layout: colonna centrale ariosa, scena 3D a destra della hero; superfici grigie come fogli sovrapposti */
:root {
  --bg: #eeeeec;
  --paper: #f7f7f6;
  --ink: #1d1e20;
  --graphite: #505257;
  --mist: #8a8c91;
  --line: #cfcfcd;
  --pane: rgba(29, 30, 32, .045);
  --shadow: 0 30px 60px -30px rgba(20, 21, 23, .28);
  --f-display: "Italiana", "Didot", "Bodoni 72", Georgia, serif;
  --f-body: "Jost", "Avenir Next", "Segoe UI", system-ui, sans-serif;
  --gutter: max(20px, env(safe-area-inset-left, 0px));
  --gutter-r: max(20px, env(safe-area-inset-right, 0px));
  --wrap: 1120px;
  color-scheme: light;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-family: var(--f-body); font-weight: 300; font-size: 17px; line-height: 1.7;
  -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
:focus-visible { outline: 1.5px solid var(--ink); outline-offset: 4px; border-radius: 2px; }

.wrap {
  max-width: var(--wrap); margin: 0 auto;
  padding-left: var(--gutter); padding-right: var(--gutter-r);
}
.eyebrow {
  font-size: 12px; font-weight: 400; letter-spacing: .32em; text-transform: uppercase;
  color: var(--mist); margin: 0;
}
h1, h2, h3 { font-family: var(--f-display); font-weight: 400; text-wrap: balance; margin: 0; letter-spacing: .01em; }
h1 { font-size: clamp(44px, 7vw, 84px); line-height: 1.02; }
h2 { font-size: clamp(34px, 4.6vw, 54px); line-height: 1.08; }
h3 { font-size: 26px; line-height: 1.2; }
p { margin: 0; }
.lead { font-size: clamp(18px, 1.6vw, 20px); color: var(--graphite); max-width: 34em; }

/* ---------- Header ---------- */
body::before {
  content: ""; position: fixed; inset: 0 0 auto; height: env(safe-area-inset-top, 0px);
  z-index: 10; background: var(--bg);
}
.site-header {
  position: sticky; top: env(safe-area-inset-top, 0px); z-index: 9;
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent; transition: border-color .3s;
}
.site-header.scrolled { border-bottom-color: var(--line); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding-block: 14px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.mask {
  background: var(--ink);
  -webkit-mask-size: contain; mask-size: contain;
  -webkit-mask-repeat: no-repeat; mask-repeat: no-repeat;
  -webkit-mask-position: center; mask-position: center;
}
.brand-head { width: 30px; aspect-ratio: 286 / 328; -webkit-mask-image: url(head-full.png); mask-image: url(head-full.png); }
.brand-word { width: 168px; aspect-ratio: 516 / 82; -webkit-mask-image: url(wordmark.png); mask-image: url(wordmark.png); }
.nav { display: flex; gap: 30px; align-items: center; }
.nav a {
  text-decoration: none; font-size: 13px; letter-spacing: .2em; text-transform: uppercase;
  color: var(--graphite); padding: 6px 0; position: relative;
}
.nav a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1px; background: var(--ink);
  transform: scaleX(0); transform-origin: left; transition: transform .35s ease;
}
.nav a:hover::after, .nav a[aria-current="page"]::after { transform: scaleX(1); }
.nav a:hover, .nav a[aria-current="page"] { color: var(--ink); }
.nav .nav-cta { border: 1px solid var(--ink); color: var(--ink); padding: 8px 16px; border-radius: 999px; }
.nav .nav-cta::after { display: none; }
.nav .nav-cta:hover { background: var(--ink); color: var(--paper); }
@media (max-width: 760px) {
  .nav a:not(.nav-cta) { display: none; }
  .brand-word { width: 132px; }
}

/* ---------- Buttons ---------- */
.btns { display: flex; flex-wrap: wrap; gap: 12px; }
.btn {
  display: inline-flex; align-items: center; gap: 10px; text-decoration: none;
  font-family: var(--f-body); font-size: 14px; font-weight: 400; letter-spacing: .14em; text-transform: uppercase;
  padding: 15px 26px; border-radius: 999px; border: 1px solid var(--ink); cursor: pointer;
  transition: background .25s, color .25s, transform .25s;
}
.btn-solid { background: var(--ink); color: var(--paper); }
.btn-solid:hover { transform: translateY(-2px); }
.btn-ghost { background: transparent; color: var(--ink); }
.btn-ghost:hover { background: var(--ink); color: var(--paper); }
.btn svg { width: 16px; height: 16px; flex: none; }

/* ---------- Hero 3D ---------- */
.hero { position: relative; padding-block: clamp(40px, 7vw, 90px) clamp(60px, 8vw, 110px); }
.hero .wrap { display: grid; grid-template-columns: 1.05fr .95fr; gap: 40px; align-items: center; }
.hero-text { display: grid; gap: 26px; min-width: 0; }
.hero-text .display em { font-style: normal; color: var(--mist); }
.hero-meta { display: flex; flex-wrap: wrap; gap: 8px 22px; font-size: 13px; letter-spacing: .14em; text-transform: uppercase; color: var(--graphite); }
.hero-meta span { display: inline-flex; align-items: center; gap: 8px; }
.hero-meta span::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--mist); }

.stage { perspective: 1100px; position: relative; aspect-ratio: 1 / 1; max-width: 520px; width: 100%; justify-self: center; }
.scene {
  position: absolute; inset: 0; transform-style: preserve-3d;
  transform: rotateX(calc(var(--ry, 0) * -6deg)) rotateY(calc(var(--rx, 0) * 10deg - 8deg));
  transition: transform .6s cubic-bezier(.2, .7, .2, 1);
}
.pane {
  position: absolute; border: 1px solid var(--line); background: var(--pane);
  border-radius: 6px; transform-style: preserve-3d;
}
.pane.p1 { inset: 6% 18% 22% 4%; transform: translateZ(-120px) rotateZ(-4deg); }
.pane.p2 { inset: 20% 2% 6% 26%; transform: translateZ(-60px) rotateZ(3deg); background: transparent; }
.pane.p3 { width: 34%; aspect-ratio: 1; right: 4%; top: 2%; border-radius: 50%; transform: translateZ(-170px); background: transparent; }
.head {
  position: absolute; left: 18%; top: 10%; width: 62%; aspect-ratio: 286 / 328;
  transform: translateZ(40px); transform-style: preserve-3d;
}
.head .layer { position: absolute; inset: 0; }
.head .base { -webkit-mask-image: url(head-base.png); mask-image: url(head-base.png); }
.head .piece {
  -webkit-mask-image: url(head-piece.png); mask-image: url(head-piece.png);
  --p: 0;
  transform:
    translate3d(calc((1 - var(--p)) * 30%), calc((1 - var(--p)) * -26%), calc((1 - var(--p)) * 150px))
    rotateZ(calc((1 - var(--p)) * 22deg)) rotateY(calc((1 - var(--p)) * -35deg));
  transform-origin: 75% 25%;
  filter: drop-shadow(0 calc((1 - var(--p)) * 18px) calc((1 - var(--p)) * 14px) rgba(0,0,0,.18));
}
.piece-hint {
  position: absolute; right: 0; bottom: 4%; font-size: 12px; letter-spacing: .26em; text-transform: uppercase;
  color: var(--mist); transform: translateZ(60px); transition: opacity .4s;
}
@media (max-width: 860px) {
  .hero .wrap { grid-template-columns: 1fr; }
  .stage { order: -1; max-width: 360px; }
}

/* ---------- Sezioni ---------- */
.section { padding-block: clamp(70px, 9vw, 120px); }
.section-head { display: grid; gap: 16px; margin-bottom: clamp(36px, 5vw, 56px); max-width: 40em; }
.band { background: var(--paper); border-block: 1px solid var(--line); }

.areas { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; perspective: 1200px; }
@media (max-width: 720px) { .areas { grid-template-columns: 1fr; } }
.area {
  position: relative; display: grid; gap: 12px; align-content: start;
  padding: 30px 28px 32px; background: var(--paper); border: 1px solid var(--line); border-radius: 4px;
  transform: rotateX(var(--tx, 0deg)) rotateY(var(--ty, 0deg)); transform-style: preserve-3d;
  transition: transform .5s cubic-bezier(.2, .7, .2, 1), box-shadow .5s;
}
.area:hover { box-shadow: var(--shadow); }
.area .tag { font-size: 12px; letter-spacing: .26em; text-transform: uppercase; color: var(--mist); }
.area h3 { transform: translateZ(26px); }
.area p { color: var(--graphite); font-size: 16px; transform: translateZ(14px); }
.band .area { background: var(--bg); }

/* Chi sono */
.about { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(30px, 6vw, 80px); align-items: start; }
@media (max-width: 860px) { .about { grid-template-columns: 1fr; } }
.about-figure {
  position: relative; aspect-ratio: 4 / 5; max-width: 420px; width: 100%;
  border: 1px solid var(--line); border-radius: 4px; background: var(--paper);
  display: grid; place-items: center; perspective: 900px; overflow: hidden;
}
.about-figure .mask { width: 46%; aspect-ratio: 286 / 328; -webkit-mask-image: url(head-full.png); mask-image: url(head-full.png); opacity: .9; }
.about-figure figcaption {
  position: absolute; left: 20px; bottom: 16px; right: 20px; font-size: 12px; letter-spacing: .2em;
  text-transform: uppercase; color: var(--mist);
}
.about-text { display: grid; gap: 22px; min-width: 0; }
.about-text > p { color: var(--graphite); max-width: 36em; }
.timeline { list-style: none; margin: 8px 0 0; padding: 0; border-top: 1px solid var(--line); }
.timeline li { display: grid; grid-template-columns: 9.5em 1fr; gap: 18px; padding: 16px 0; border-bottom: 1px solid var(--line); }
.timeline .k { font-size: 12px; letter-spacing: .2em; text-transform: uppercase; color: var(--mist); padding-top: 4px; }
@media (max-width: 520px) { .timeline li { grid-template-columns: 1fr; gap: 4px; } }

/* Scheda pratica */
.facts { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border: 1px solid var(--line); border-radius: 4px; background: var(--paper); }
.fact { padding: 28px 26px; display: grid; gap: 8px; align-content: start; border-left: 1px solid var(--line); }
.fact:first-child { border-left: 0; }
.fact .k { font-size: 12px; letter-spacing: .24em; text-transform: uppercase; color: var(--mist); }
.fact .v { font-family: var(--f-display); font-size: 34px; line-height: 1.1; font-variant-numeric: tabular-nums; }
.fact .s { font-size: 15px; color: var(--graphite); }
@media (max-width: 860px) {
  .facts { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .fact:nth-child(3) { border-left: 0; }
  .fact:nth-child(n+3) { border-top: 1px solid var(--line); }
}
@media (max-width: 460px) {
  .facts { grid-template-columns: 1fr; }
  .fact { border-left: 0; }
  .fact + .fact { border-top: 1px solid var(--line); }
}

/* CTA */
.cta { text-align: center; display: grid; justify-items: center; gap: 22px; }
.cta .lead { margin: 0 auto; }

/* ---------- Contatti ---------- */
.page-head { padding-block: clamp(40px, 7vw, 80px) clamp(30px, 4vw, 50px); }
.page-head .wrap { display: grid; gap: 18px; }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 760px) { .contact-grid { grid-template-columns: 1fr; } }
.channel {
  display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 6px 16px;
  padding: 22px 24px; background: var(--paper); border: 1px solid var(--line); border-radius: 4px; min-width: 0;
}
.channel .k { grid-column: 1 / -1; font-size: 12px; letter-spacing: .24em; text-transform: uppercase; color: var(--mist); }
.channel .v { font-size: 19px; overflow-wrap: anywhere; min-width: 0; user-select: all; }
.copy {
  font: inherit; font-size: 12px; letter-spacing: .18em; text-transform: uppercase; color: var(--graphite);
  background: none; border: 1px solid var(--line); border-radius: 999px; padding: 7px 14px; cursor: pointer;
}
.copy:hover { border-color: var(--ink); color: var(--ink); }

.sedi { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; perspective: 1400px; }
@media (max-width: 860px) { .sedi { grid-template-columns: 1fr; } }
.sede { background: var(--paper); border: 1px solid var(--line); border-radius: 4px; overflow: hidden; display: grid; }
.sede-info { padding: 26px 26px 24px; display: grid; gap: 8px; }
.sede-info .k { font-size: 12px; letter-spacing: .24em; text-transform: uppercase; color: var(--mist); }
.sede-info p { color: var(--graphite); }
.sede-info a { font-size: 13px; letter-spacing: .16em; text-transform: uppercase; text-underline-offset: 5px; margin-top: 6px; justify-self: start; }
.map {
  position: relative; aspect-ratio: 16 / 10; max-width: 100%; border-top: 1px solid var(--line);
  background:
    repeating-linear-gradient(0deg, transparent 0 39px, var(--line) 39px 40px),
    repeating-linear-gradient(90deg, transparent 0 39px, var(--line) 39px 40px), var(--bg);
}
.map::after {
  content: attr(data-label); position: absolute; inset: 0; display: grid; place-items: center;
  font-size: 12px; letter-spacing: .24em; text-transform: uppercase; color: var(--mist); z-index: 0;
}
.map iframe {
  position: absolute; inset: 0; width: 100%; height: 100%; border: 0; z-index: 1;
  filter: grayscale(1) contrast(1.05);
}

.form { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; max-width: 760px; }
.form .full { grid-column: 1 / -1; }
@media (max-width: 600px) { .form { grid-template-columns: 1fr; } }
.field { display: grid; gap: 8px; }
.field label { font-size: 12px; letter-spacing: .22em; text-transform: uppercase; color: var(--graphite); }
.field input, .field textarea, .field select {
  font: inherit; font-size: 16px; color: var(--ink); background: var(--paper);
  border: 1px solid var(--line); border-radius: 4px; padding: 13px 14px; width: 100%;
}
.field textarea { min-height: 140px; resize: vertical; }
.field input:focus, .field textarea:focus, .field select:focus { outline: none; border-color: var(--ink); }
.consent { display: flex; gap: 12px; align-items: flex-start; font-size: 14px; color: var(--graphite); line-height: 1.55; }
.consent input { margin-top: 4px; accent-color: var(--ink); width: 16px; height: 16px; flex: none; }
.form-note { font-size: 14px; color: var(--graphite); }
.hp { position: absolute; left: -9999px; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--line); padding-block: 48px 40px; font-size: 14px; color: var(--graphite); }
.site-footer .wrap { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 30px; }
@media (max-width: 760px) { .site-footer .wrap { grid-template-columns: 1fr; } }
.site-footer .brand-word { width: 190px; margin-bottom: 12px; }
.site-footer h4 { font-weight: 400; font-size: 12px; letter-spacing: .24em; text-transform: uppercase; color: var(--mist); margin: 0 0 10px; }
.site-footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 6px; }
.site-footer a { text-decoration: none; }
.site-footer a:hover { text-decoration: underline; text-underline-offset: 4px; }
.legal { margin-top: 30px; padding-top: 20px; border-top: 1px solid var(--line); font-size: 13px; color: var(--mist); }

/* ---------- Comparsa allo scroll (sempre visibile a riposo) ---------- */
.rise { transition: transform .9s cubic-bezier(.2, .7, .2, 1); }
.js .rise.pending { transform: translateY(26px); }

/* WhatsApp flottante */
.wa {
  position: fixed; z-index: 8;
  right: calc(18px + env(safe-area-inset-right, 0px)); bottom: calc(18px + env(safe-area-inset-bottom, 0px));
  width: 54px; height: 54px; border-radius: 50%; background: var(--ink); color: var(--paper);
  display: grid; place-items: center; box-shadow: var(--shadow); transition: transform .25s;
}
.wa:hover { transform: scale(1.06); }
.wa svg { width: 24px; height: 24px; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .scene, .area, .rise, .head .piece { transition: none !important; }
  .js .rise.pending { transform: none; }
}

.sede.area { padding: 0; gap: 0; align-content: stretch; }
.about-figure { margin: 0; min-width: 0; }

/* Titoli SEO: h1 piccolo come etichetta, frase grande come display */
.eyebrow { font-family: var(--f-body); line-height: 1.6; text-wrap: balance; }
.display { font-family: var(--f-display); font-weight: 400; font-size: clamp(44px, 7vw, 84px); line-height: 1.02; letter-spacing: .01em; text-wrap: balance; }

/* Ritratto */
.about-figure { display: block; place-items: initial; }
.about-figure picture, .about-figure img { display: block; width: 100%; height: 100%; object-fit: cover; object-position: 50% 30%; }

/* Foto degli studi */
.studi { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; perspective: 1400px; }
@media (max-width: 760px) { .studi { grid-template-columns: 1fr; } }
.photo {
  margin: 0; min-width: 0; position: relative; overflow: hidden; border-radius: 4px; border: 1px solid var(--line);
  background: var(--paper); transform: rotateX(var(--tx, 0deg)) rotateY(var(--ty, 0deg));
  transition: transform .5s cubic-bezier(.2, .7, .2, 1), box-shadow .5s;
}
.photo:hover { box-shadow: var(--shadow); }
.photo picture { display: block; }
.photo img { width: 100%; height: auto; aspect-ratio: 3 / 2; object-fit: cover; transition: transform 1.2s cubic-bezier(.2, .7, .2, 1); }
.photo:hover img { transform: scale(1.04); }
.photo figcaption { display: grid; gap: 2px; padding: 16px 20px 18px; font-size: 15px; color: var(--graphite); }
.photo figcaption span { font-size: 12px; letter-spacing: .24em; text-transform: uppercase; color: var(--mist); }
.sede-photo img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }

/* Domande frequenti */
.faq { border-top: 1px solid var(--line); max-width: 820px; }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  list-style: none; cursor: pointer; padding: 22px 40px 22px 0; position: relative;
  font-family: var(--f-display); font-size: clamp(21px, 2.2vw, 25px); line-height: 1.3;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: ""; position: absolute; right: 6px; top: 50%; width: 12px; height: 12px; margin-top: -8px;
  border-right: 1px solid var(--ink); border-bottom: 1px solid var(--ink); transform: rotate(45deg); transition: transform .3s;
}
.faq details[open] summary::after { transform: rotate(225deg); margin-top: -2px; }
.faq details p { padding: 0 40px 24px 0; color: var(--graphite); max-width: 40em; }
@media (max-width: 760px) { .nav a[href="index.html#studi"] { display: none; } }
@media (min-width: 861px) { .about-figure { position: sticky; top: calc(96px + env(safe-area-inset-top, 0px)); } }

/* ---------- Carosello 3D delle aree ---------- */
.carousel { --cw: min(78vw, 340px); position: relative; }
.car-track {
  display: flex; gap: 22px; overflow-x: auto; overscroll-behavior-x: contain;
  scroll-snap-type: x mandatory; scrollbar-width: none; -webkit-overflow-scrolling: touch;
  padding-block: 34px 40px; padding-inline: calc(50% - var(--cw) / 2);
  perspective: 1300px; perspective-origin: 50% 50%;
}
.car-track::-webkit-scrollbar { display: none; }
.car-track:focus-visible { outline-offset: -6px; }
.area.car-card {
  flex: 0 0 var(--cw); scroll-snap-align: center; min-height: 270px;
  transform: rotateY(var(--ry, 0deg)) translateZ(var(--tz, 0px)) scale(var(--sc, 1));
  opacity: var(--op, 1); transition: box-shadow .5s, border-color .5s; will-change: transform;
  background: var(--bg);
}
.area.car-card.is-active { box-shadow: var(--shadow); border-color: color-mix(in srgb, var(--ink) 28%, var(--line)); }
.car-ctrl { display: flex; align-items: center; justify-content: center; gap: 22px; }
.car-btn {
  width: 46px; height: 46px; border-radius: 50%; border: 1px solid var(--ink); background: transparent; color: var(--ink);
  display: grid; place-items: center; cursor: pointer; transition: background .25s, color .25s;
}
.car-btn:hover { background: var(--ink); color: var(--paper); }
.car-btn svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.4; }
.car-dots { display: flex; gap: 8px; }
.car-dots i { width: 6px; height: 6px; border-radius: 50%; background: var(--line); transition: background .3s, transform .3s; }
.car-dots i.on { background: var(--ink); transform: scale(1.3); }

/* ---------- Come funziona: schede che si montano in 3D ---------- */
.facts[data-assemble] { border: 0; background: none; gap: 18px; perspective: 1200px; perspective-origin: 50% 100%; }
.facts[data-assemble] .fact {
  border: 1px solid var(--line) !important; border-radius: 4px; background: var(--paper);
  transform-style: preserve-3d; transform-origin: 50% 100%;
  transform: translateY(var(--fy, 0px)) rotateX(calc(var(--fx, 0deg) + var(--tx, 0deg))) rotateY(var(--ty, 0deg));
  box-shadow: 0 calc(var(--fs, 0) * 1px) calc(var(--fs, 0) * 1.6px) -10px rgba(20, 21, 23, .22);
  min-height: 190px; position: relative; overflow: hidden;
}
.facts[data-assemble] .fact .v { transform: translateZ(34px); }
.facts[data-assemble] .fact .k, .facts[data-assemble] .fact .s { transform: translateZ(16px); }
.facts[data-assemble] .fact::after {
  content: ""; position: absolute; right: -30px; bottom: -30px; width: 110px; height: 110px; border-radius: 50%;
  border: 1px solid var(--line); transform: translateZ(-1px);
}

/* Foto mancante */
.ph { aspect-ratio: 3 / 2; max-width: 100%; display: grid; place-items: center; align-content: center; gap: 12px; background: var(--bg); }
.ph .mask { width: 64px; aspect-ratio: 286 / 328; -webkit-mask-image: url(head-full.png); mask-image: url(head-full.png); opacity: .5; }
.ph-label { font-size: 12px; letter-spacing: .22em; text-transform: uppercase; color: var(--mist); }
.sede-photo .ph { aspect-ratio: 16 / 9; }
.studi { grid-template-columns: repeat(3, minmax(0, 1fr)); }
@media (max-width: 860px) { .studi { grid-template-columns: 1fr; } }
.sedi { grid-template-columns: repeat(3, minmax(0, 1fr)); }
@media (max-width: 1000px) { .sedi { grid-template-columns: 1fr; } }

@media (prefers-reduced-motion: reduce) {
  .area.car-card, .facts[data-assemble] .fact { transform: none !important; opacity: 1 !important; }
}