/* ============================================================
   Tini Living · Demo pagina modelli + scheda modello
   Tipografia: Merriweather (display) + Mulish (testo), come il sito live
   Accento brand: terracotta #D76B32 (rilevato da tiniliving.com)
   ============================================================ */

:root {
  --paper: #FAF8F4;
  --surface: #FFFFFF;
  --band: #F1EDE5;
  --ink: #1D1D1B;
  --ink-2: #5C5850;
  --line: #E6E0D5;
  --accent: #D76B32;
  --accent-deep: #A8471A;
  --accent-darker: #8C3A13;
  --footer-bg: #171511;
  --footer-ink: #E9E4DA;
  --radius: 8px;
  --font-display: 'Merriweather', Georgia, 'Times New Roman', serif; /* font originale del sito (richiesta cliente) */
  --track-caps: .16em; /* v25: un solo valore per tutti i maiuscoletti */
  --font-body: 'Mulish', -apple-system, 'Segoe UI', Roboto, sans-serif;
  --w-page: 1200px;
  --w-wide: 1320px;
  --s-section: clamp(4.5rem, 9vw, 7.5rem);
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; display: block; }

a { color: var(--accent-deep); text-decoration: underline; text-underline-offset: 3px; text-decoration-thickness: 1px; }
a:hover { color: var(--accent-darker); }

:focus-visible {
  outline: 2px solid var(--accent-deep);
  outline-offset: 3px;
  border-radius: 2px;
}

.skip-link {
  position: absolute; left: -999px; top: 0;
  background: var(--ink); color: #fff; padding: .7rem 1.2rem; z-index: 200;
}
.skip-link:focus { left: 0; }

.container { width: min(100% - 3rem, var(--w-page)); margin-inline: auto; }
.container-wide { width: min(100% - 3rem, var(--w-wide)); margin-inline: auto; }

.section { padding-block: var(--s-section); }
.section-tight { padding-block: calc(var(--s-section) * .62); }

/* ---------- Tipografia ---------- */

h1, h2, h3 { font-family: var(--font-display); font-weight: 300; line-height: 1.12; margin: 0; letter-spacing: -0.005em; }

.h-display { font-size: clamp(2.6rem, 6vw, 4.4rem); line-height: 1.04; }
.h-section { font-size: clamp(1.9rem, 3.6vw, 2.75rem); }
.h-sub { font-size: clamp(1.35rem, 2.4vw, 1.75rem); }

.eyebrow {
  display: block;
  font: 700 .78rem/1 var(--font-body);
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--accent-deep);
  margin-bottom: 1.1rem;
}

.lead { font-size: clamp(1.1rem, 1.6vw, 1.25rem); color: var(--ink-2); max-width: 58ch; }
.muted { color: var(--ink-2); }
.small { font-size: .9rem; }
p { margin: 0 0 1.1rem; }
p:last-child { margin-bottom: 0; }

/* ---------- Barra demo ---------- */

.demo-bar {
  background: var(--ink);
  color: #D8D2C6;
  font-size: .78rem;
  letter-spacing: .04em;
  text-align: center;
  padding: .45rem 1rem;
}
.demo-bar strong { color: #fff; font-weight: 700; }

/* ---------- Header ---------- */

.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(250, 248, 244, .92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s ease, box-shadow .3s ease;
}
.site-header.is-scrolled { border-bottom-color: var(--line); box-shadow: 0 2px 18px rgba(29,29,27,.05); }

.nav {
  height: 74px;
  display: flex; align-items: center; gap: 2.5rem;
}
.brand { display: inline-flex; align-items: center; margin-right: auto; }
.brand img { height: 30px; width: auto; }

.nav-links { display: flex; align-items: center; gap: 2rem; }
.nav-links a {
  font: 600 .95rem/1 var(--font-body);
  color: var(--ink); text-decoration: none;
}
.nav-links a:hover { color: var(--accent-deep); }
.nav-links a[aria-current="page"] {
  color: var(--accent-deep);
  border-bottom: 2px solid var(--accent);
  padding-bottom: .35rem;
}

.menu-toggle {
  display: none;
  background: none; border: 1px solid var(--line); border-radius: 4px;
  padding: .55rem .8rem; cursor: pointer;
  font: 700 .85rem var(--font-body); color: var(--ink);
}

/* ---------- Bottoni ---------- */

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .95rem 1.7rem;
  font: 700 .95rem/1 var(--font-body);
  letter-spacing: .015em;
  border-radius: 4px;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color .25s ease, color .25s ease, border-color .25s ease;
}
.btn-solid { background: var(--accent-deep); color: #fff; }
.btn-solid:hover { background: var(--accent-darker); color: #fff; }
.btn-ghost { border-color: var(--ink); color: var(--ink); background: transparent; }
.btn-ghost:hover { background: var(--ink); color: var(--paper); }
.btn-ghost-light { border-color: rgba(255,255,255,.85); color: #fff; background: transparent; }
.btn-ghost-light:hover { background: rgba(255,255,255,.14); color: #fff; }
.btn-sm { padding: .7rem 1.2rem; font-size: .88rem; }

.nav .btn { padding: .75rem 1.3rem; font-size: .88rem; }

/* ---------- Hero catálogo ---------- */

.hero {
  position: relative;
  min-height: calc(100vh - 110px);
  min-height: calc(100svh - 110px);
  display: flex; align-items: flex-end;
  isolation: isolate;
}
.hero-bg {
  position: absolute; inset: 0; z-index: -2;
  width: 100%; height: 100%; object-fit: cover;
}
.hero::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(185deg, rgba(23,20,15,.14) 0%, rgba(23,20,15,.06) 45%, rgba(23,20,15,.66) 100%);
}
.hero-inner { position: relative; padding-block: clamp(2.5rem, 6vw, 4.5rem); color: #fff; }
.hero-inner .eyebrow { color: #F2C9AE; }
.hero-inner h1 { color: #fff; max-width: 15ch; }
.hero-sub { margin-top: 1.25rem; max-width: 52ch; font-size: clamp(1.05rem, 1.5vw, 1.2rem); color: rgba(255,255,255,.92); }
.hero-cta { margin-top: 2rem; display: flex; gap: 1rem; flex-wrap: wrap; }

/* ---------- Fila de stats ---------- */

.stats-row {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem;
  border-top: 2px solid var(--ink);
  padding-top: 2rem;
}
.stat b {
  display: block;
  font: 300 clamp(1.6rem, 2.6vw, 2.2rem)/1.1 var(--font-display);
  color: var(--ink);
  margin-bottom: .3rem;
}
.stat span { font-size: .9rem; color: var(--ink-2); }

/* ---------- Listado de modelos ---------- */

.model-row {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
  padding-block: clamp(2.75rem, 5vw, 4.25rem);
  border-top: 1px solid var(--line);
}
.model-row:last-of-type { border-bottom: 1px solid var(--line); }

/* Carrusel de modelo: primera imagen render 3D, después fotos reales.
   Scroll-snap nativo, sin librerías: las imágenes quedan en el DOM con su alt (indexables). */
.carousel { position: relative; }
.car-frame {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-radius: var(--radius);
}
.car-track {
  display: flex;
  height: 100%;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}
.car-track::-webkit-scrollbar { display: none; }
.car-track img {
  flex: 0 0 100%;
  width: 100%; height: 100%;
  object-fit: cover;
  scroll-snap-align: start;
  scroll-snap-stop: always;
}
.car-btn {
  position: absolute; bottom: .9rem;
  width: 42px; height: 42px;
  display: grid; place-items: center;
  border: none; border-radius: 50%;
  background: rgba(250, 248, 244, .92);
  color: var(--ink);
  font: 400 1.5rem/1 var(--font-display);
  cursor: pointer;
  transition: background-color .25s ease;
  padding: 0 0 .2rem;
}
.car-btn:hover { background: #fff; }
.car-prev { right: 4.1rem; }
.car-next { right: .9rem; }
.car-status {
  display: flex; justify-content: space-between; align-items: baseline;
  margin: .6rem .15rem 0;
  font: 600 .82rem/1.2 var(--font-body);
  color: var(--ink-2);
}
.car-status .car-count { font-variant-numeric: tabular-nums; }

.model-num { font: 700 .78rem/1 var(--font-body); letter-spacing: .16em; color: var(--accent-deep); }
.model-body h3 { font-size: clamp(1.9rem, 3vw, 2.5rem); margin-top: .6rem; }
.model-tag { color: var(--ink-2); font-size: 1rem; margin-top: .35rem; }
.model-body > p { margin-top: 1.1rem; max-width: 52ch; }

.chips { display: flex; flex-wrap: wrap; gap: .55rem; margin-top: 1.35rem; padding: 0; list-style: none; }
.chips li {
  border: 1px solid var(--line); border-radius: 999px;
  padding: .38rem .9rem;
  font: 600 .84rem/1.2 var(--font-body); color: var(--ink-2);
  background: var(--surface);
}

.model-foot {
  margin-top: 1.75rem;
  display: flex; align-items: center; gap: 2rem; flex-wrap: wrap;
}
.price small { display: block; font-size: .8rem; color: var(--ink-2); letter-spacing: .05em; text-transform: uppercase; }
.price strong { font: 800 1.45rem/1.2 var(--font-body); color: var(--ink); }
.price em { font-style: normal; font-size: .9rem; color: var(--ink-2); }

.soon {
  font: 600 .88rem/1.3 var(--font-body);
  color: var(--ink-2);
  border-bottom: 1px dashed var(--line);
  cursor: help;
}

/* ---------- Tabla comparativa ---------- */

.table-scroll { overflow-x: auto; }
table.compare { width: 100%; border-collapse: collapse; min-width: 720px; }
.compare th {
  text-align: left;
  font: 700 .78rem/1.3 var(--font-body);
  letter-spacing: .1em; text-transform: uppercase;
  color: var(--ink-2);
  border-bottom: 2px solid var(--ink);
  padding: .9rem .85rem;
}
.compare td { padding: 1.05rem .85rem; border-bottom: 1px solid var(--line); vertical-align: top; }
.compare td:first-child { font-family: var(--font-display); font-size: 1.1rem; white-space: nowrap; }
.compare tr.hl td { background: var(--surface); }

/* ---------- Banda CTA ---------- */

.band {
  position: relative; isolation: isolate;
  padding-block: clamp(5rem, 11vw, 8.5rem);
  color: #fff; text-align: center;
}
.band-bg { position: absolute; inset: 0; z-index: -2; width: 100%; height: 100%; object-fit: cover; }
.band::after { content: ""; position: absolute; inset: 0; z-index: -1; background: rgba(20,17,12,.56); }
.band h2 { color: #fff; }
.band p { max-width: 54ch; margin: 1.2rem auto 0; color: rgba(255,255,255,.9); }
.band .hero-cta { justify-content: center; }

/* ---------- FAQ ---------- */

.faq { max-width: 820px; }
.faq details { border-top: 1px solid var(--line); }
.faq details:last-child { border-bottom: 1px solid var(--line); }
.faq summary {
  list-style: none;
  display: flex; justify-content: space-between; align-items: baseline; gap: 1.5rem;
  padding: 1.35rem 0;
  font: 700 1.05rem/1.4 var(--font-body);
  cursor: pointer;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  font: 300 1.6rem/1 var(--font-display);
  color: var(--accent-deep);
  transition: transform .3s ease;
  flex: none;
}
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { max-width: 68ch; color: var(--ink-2); padding-bottom: 1.4rem; margin: 0; }

/* ---------- Scheda modello: header ---------- */

.crumbs { font-size: .88rem; color: var(--ink-2); margin-bottom: 1.75rem; }
.crumbs ol { list-style: none; display: flex; flex-wrap: wrap; gap: .45rem; margin: 0; padding: 0; }
.crumbs li + li::before { content: "›"; margin-right: .45rem; color: var(--line); }
.crumbs a { color: var(--ink-2); }
.crumbs [aria-current] { color: var(--ink); font-weight: 600; }

.model-header h1 { max-width: 18ch; }
.model-header .lead { margin-top: 1.3rem; }

.meta-strip {
  display: flex; flex-wrap: wrap; gap: 2.75rem;
  margin-top: 2.25rem; padding-top: 1.75rem;
  border-top: 2px solid var(--ink);
}
.meta-strip div span { display: block; font-size: .78rem; text-transform: uppercase; letter-spacing: .09em; color: var(--ink-2); margin-bottom: .25rem; }
.meta-strip div b { font: 700 1.15rem/1.2 var(--font-body); }
.meta-strip .price-big b { color: var(--accent-deep); }

.hero-figure { margin: clamp(2.5rem, 5vw, 4rem) 0 0; }
.hero-figure img { width: 100%; aspect-ratio: 21 / 10; object-fit: cover; border-radius: var(--radius); }

/* ---------- Galería ---------- */

.gallery { display: grid; grid-template-columns: repeat(12, 1fr); gap: clamp(.8rem, 1.6vw, 1.4rem); }
.gallery figure { margin: 0; overflow: hidden; border-radius: var(--radius); }
.gallery img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s cubic-bezier(.2,.6,.2,1); }
@media (hover: hover) { .gallery figure:hover img { transform: scale(1.03); } }
.g-7 { grid-column: span 7; aspect-ratio: 3 / 2; }
.g-5 { grid-column: span 5; aspect-ratio: 5 / 4; }
.g-4 { grid-column: span 4; aspect-ratio: 4 / 5; }
.g-12 { grid-column: span 12; aspect-ratio: 21 / 9; }

/* ---------- Ficha técnica ---------- */

.spec-cols { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 0 4rem; margin-top: 2.5rem; }
.spec { display: flex; justify-content: space-between; gap: 2rem; padding: .95rem 0; border-bottom: 1px solid var(--line); margin: 0; }
.spec dt { color: var(--ink-2); font-size: .95rem; }
.spec dd { margin: 0; font-weight: 700; text-align: right; }

.includes { columns: 2; gap: 3rem; margin: 2rem 0 0; padding: 0; list-style: none; }
.includes li { break-inside: avoid; padding: .45rem 0 .45rem 1.7rem; position: relative; color: var(--ink-2); }
.includes li::before { content: "✓"; position: absolute; left: 0; color: var(--accent-deep); font-weight: 800; }

/* ---------- Plano ---------- */

.plan-wrap { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(1.5rem, 4vw, 3rem); }
.plan-wrap svg { width: 100%; height: auto; }
.plan-note { margin-top: 1.25rem; font-size: .88rem; color: var(--ink-2); }

/* ---------- Escenario scrollytelling (modelo 3D fijo + copy) ---------- */

.model-stage { padding-top: clamp(1.5rem, 3vw, 2.5rem); }
.model-stage-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: start;
}
.stage-sticky {
  position: sticky;
  top: 96px;
  height: calc(100vh - 122px);
  min-height: 380px;
}
.stage-copy { min-width: 0; }

.beat {
  min-height: 86vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-block: 2.5rem;
}
.beat-lead { min-height: calc(100vh - 122px); }
.beat-out { min-height: 62vh; }
.beat .crumbs { margin-bottom: 1.4rem; }
.beat .meta-strip { margin-top: 2rem; padding-top: 1.5rem; gap: 2rem; }

.stage-hint {
  margin-top: 2.5rem;
  font: 600 .82rem/1.3 var(--font-body);
  letter-spacing: .02em;
  color: var(--ink-2);
  display: inline-flex; align-items: center; gap: .55rem;
}
.stage-hint::before {
  content: "";
  width: 26px; height: 1px; background: var(--accent);
}

/* Doble clase: gana en especificidad a la regla base .viewer3d { aspect-ratio:16/10 },
   independientemente del orden en el archivo. Con width y height al 100% el aspect-ratio
   se ignora y el visor llena exactamente su columna sticky (nada de desbordarse). */
.viewer3d.viewer3d-stage { aspect-ratio: auto; width: 100%; height: 100%; }
.viewer3d-loading {
  position: absolute; inset: 0;
  display: flex; align-items: flex-start; justify-content: flex-start;
  padding: 1rem;
}
.viewer3d-loading .viewer3d-badge { animation: pulse 1.4s ease-in-out infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .55; } }
@media (prefers-reduced-motion: reduce) { .viewer3d-loading .viewer3d-badge { animation: none; } }

@media (max-width: 900px) {
  .model-stage-inner { grid-template-columns: 1fr; gap: 1.5rem; }
  .stage-sticky {
    position: sticky; top: 88px;
    height: 52vh; min-height: 300px;
    margin-bottom: 1rem;
    z-index: 1;
  }
  .beat { min-height: 0; padding-block: 2rem; }
  .beat-lead { min-height: 0; }
  .beat-out { min-height: 0; }
}

/* ---------- Visor 3D interactivo ---------- */

.viewer3d {
  position: relative;
  aspect-ratio: 16 / 10;
  background: var(--paper);
  overflow: hidden;
}
.viewer3d-hero { aspect-ratio: 21 / 10; }
.viewer3d-badge {
  font: 700 .72rem/1 var(--font-body);
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--accent-deep);
  background: rgba(255,255,255,.92);
  padding: .5rem 1rem;
  border-radius: 999px;
}
/* pan-y: en móvil el deslizamiento vertical sigue haciendo scroll de página */
.viewer3d canvas { display: block; width: 100% !important; height: 100% !important; touch-action: pan-y; }
.viewer3d-poster { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.viewer3d-overlay {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; gap: .9rem;
  align-items: center; justify-content: center;
  background: linear-gradient(rgba(250,248,244,.12), rgba(250,248,244,.4));
}
.viewer3d-note {
  font: 600 .85rem/1 var(--font-body);
  color: var(--ink-2);
  background: rgba(255,255,255,.9);
  padding: .45rem .95rem;
  border-radius: 999px;
}
.viewer3d-hud {
  position: absolute; left: 1rem; bottom: .9rem;
  font: 600 .8rem/1.2 var(--font-body);
  color: var(--ink-2);
  background: rgba(255,255,255,.88);
  padding: .4rem .85rem;
  border-radius: 999px;
  pointer-events: none;
}
.viewer3d-reset {
  position: absolute; right: 1rem; bottom: .9rem;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.92);
  color: var(--ink);
  font: 700 .8rem/1 var(--font-body);
  padding: .55rem .95rem;
  border-radius: 999px;
  cursor: pointer;
}
.viewer3d-reset:hover { background: #fff; }

/* Barra de herramientas del visor */
.viewer3d-tools {
  position: absolute; left: 50%; bottom: .9rem;
  transform: translateX(-50%);
  display: flex; gap: .4rem; flex-wrap: wrap; justify-content: center;
  max-width: calc(100% - 1.5rem);
}
.viewer3d-tool {
  border: 1px solid var(--line);
  background: rgba(255,255,255,.92);
  color: var(--ink);
  font: 700 .8rem/1 var(--font-body);
  padding: .55rem .9rem;
  border-radius: 999px;
  cursor: pointer;
  transition: background-color .2s ease, color .2s ease, border-color .2s ease;
}
.viewer3d-tool:hover { background: #fff; }
.viewer3d-tool[aria-pressed="true"] { background: var(--ink); color: #fff; border-color: var(--ink); }
.viewer3d-tool-sep { width: 1px; background: var(--line); margin: .2rem .15rem; }

/* Panel de información de la estancia seleccionada */
.viewer3d-info {
  position: absolute; left: 1rem; top: 1rem;
  max-width: 16rem;
  background: rgba(255,255,255,.95);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: .8rem 1rem;
  font: 400 .88rem/1.45 var(--font-body);
  color: var(--ink-2);
  opacity: 0; transform: translateY(-5px);
  transition: opacity .22s ease, transform .22s ease;
  pointer-events: none;
}
.viewer3d-info.is-visible { opacity: 1; transform: none; }
.viewer3d-info b { display: block; font: 800 1rem/1.2 var(--font-body); color: var(--ink); margin-bottom: .1rem; }
.viewer3d-info .a { color: var(--accent-deep); font-weight: 800; }
.viewer3d-error {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  padding: 2rem; text-align: center;
  color: var(--ink-2); font-size: .95rem;
}
@media (max-width: 860px) {
  .viewer3d { aspect-ratio: 4 / 3; }
  .viewer3d-hero { aspect-ratio: 3 / 2; }
}

/* ---------- Gran finale 3D: el visor se agranda a todo el ancho ---------- */
.explore3d { padding-block: clamp(2.5rem, 5vw, 4rem) var(--s-section); }
.explore3d-slot {
  position: relative;
  height: min(86vh, 880px);
  min-height: 420px;
  margin-top: clamp(1.5rem, 3vw, 2.5rem);
}
.explore3d-slot .viewer3d { height: 100%; }
.viewer3d.is-full { animation: grow3d .9s cubic-bezier(.22, .7, .3, 1) both; }
/* herramientas (quitar cubierta/paredes): solo en el formato grande */
.viewer3d .viewer3d-tools { display: none; }
.viewer3d.is-full .viewer3d-tools { display: flex; }
@keyframes grow3d {
  from { transform: scale(.93); opacity: .3; }
  to   { transform: none; opacity: 1; }
}
@media (prefers-reduced-motion: reduce) {
  .viewer3d.is-full { animation: none; }
}
@media (max-width: 900px) {
  .explore3d-slot { height: 60vh; }
}

/* ---------- Planos (dibujos reales del proyecto) ---------- */
.planos-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1rem, 2vw, 1.75rem);
  margin-top: clamp(2rem, 4vw, 3rem);
}
.plano {
  margin: 0;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex; flex-direction: column;
}
.plano-wide { grid-column: 1 / -1; }
.plano img {
  width: 100%; height: 100%;
  object-fit: contain;
  padding: clamp(1rem, 3vw, 2.5rem);
  background: #fff;
}
.plano figcaption {
  border-top: 1px solid var(--line);
  padding: .8rem 1.2rem;
  font: 700 .82rem/1.2 var(--font-body);
  letter-spacing: .03em;
  color: var(--ink-2);
}
@media (max-width: 720px) {
  .planos-grid { grid-template-columns: 1fr; }
}

/* ---------- Precio ---------- */

.price-section { background: var(--band); }
.price-cards { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 1.5rem; margin-top: 2.75rem; }
.price-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 2.25rem; }
.price-card h3 { font-size: 1.25rem; font-family: var(--font-body); font-weight: 800; }
.price-card .amount { font: 300 clamp(2rem, 3.4vw, 2.7rem)/1.1 var(--font-display); color: var(--accent-deep); margin: 1rem 0 .2rem; }
.price-card .amount-note { font-size: .88rem; color: var(--ink-2); }
.price-card ul { margin: 1.5rem 0 0; padding: 0; list-style: none; }
.price-card li { padding: .42rem 0 .42rem 1.6rem; position: relative; color: var(--ink-2); font-size: .97rem; border-top: 1px solid var(--line); }
.price-card li::before { content: "✓"; position: absolute; left: 0; color: var(--accent-deep); font-weight: 800; }

.drivers { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem; margin-top: 3rem; }
.drivers div b { display: block; font: 700 1rem/1.35 var(--font-body); margin-bottom: .3rem; }
.drivers div span { font-size: .92rem; color: var(--ink-2); }

/* ---------- Proceso ---------- */

.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2.5rem; margin: 2.75rem 0 0; padding: 0; list-style: none; counter-reset: paso; }
.steps li { border-top: 2px solid var(--ink); padding-top: 1.4rem; }
.steps li::before {
  counter-increment: paso;
  content: "0" counter(paso);
  font: 300 2rem/1 var(--font-display);
  color: var(--accent);
  display: block; margin-bottom: .8rem;
}
.steps b { display: block; font-size: 1.05rem; margin-bottom: .35rem; }
.steps span { font-size: .93rem; color: var(--ink-2); }
.steps .dur { display: inline-block; margin-top: .8rem; font: 700 .78rem/1 var(--font-body); letter-spacing: .06em; text-transform: uppercase; color: var(--accent-deep); }

/* ---------- Sistema constructivo ---------- */

.split { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(2.5rem, 6vw, 5rem); align-items: center; }
.split-media { overflow: hidden; border-radius: var(--radius); aspect-ratio: 4 / 5; }
.split-media img { width: 100%; height: 100%; object-fit: cover; }
.sys-list { margin: 2rem 0 0; padding: 0; list-style: none; }
.sys-list li { display: flex; gap: 1.5rem; padding: .85rem 0; border-bottom: 1px solid var(--line); font-size: .98rem; }
.sys-list b { flex: 0 0 11rem; }
.sys-list span { color: var(--ink-2); }

/* ---------- Otros modelos ---------- */

.cards-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.75rem; margin-top: 2.5rem; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column; }
.card figure { margin: 0; aspect-ratio: 3 / 2; overflow: hidden; }
.card img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
@media (hover: hover) { .card:hover img { transform: scale(1.04); } }
.card-body { padding: 1.5rem 1.6rem 1.75rem; }
.card-body h3 { font-size: 1.45rem; }
.card-body p { color: var(--ink-2); font-size: .95rem; margin-top: .5rem; }
.card-body .card-price { display: block; margin-top: .9rem; font: 800 1.05rem/1 var(--font-body); }

/* ---------- Formulario ---------- */

.form-wrap {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: clamp(1.75rem, 4vw, 3.25rem);
  max-width: 880px;
}
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 1.25rem 1.5rem; margin-top: 2rem; }
.field { display: flex; flex-direction: column; gap: .45rem; }
.field-full { grid-column: 1 / -1; }
.field label { font: 700 .88rem/1 var(--font-body); }
.field input, .field select, .field textarea {
  font: 400 1rem/1.4 var(--font-body);
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: .85rem 1rem;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: 2px solid var(--accent-deep); outline-offset: 0; border-color: var(--accent-deep);
}
.consent { display: flex; gap: .7rem; align-items: flex-start; font-size: .88rem; color: var(--ink-2); }
.consent input { margin-top: .25rem; accent-color: var(--accent-deep); }
.form-ok {
  display: none;
  background: #EAF3E6; border: 1px solid #BFD8B2; color: #2F5D22;
  border-radius: 4px; padding: 1.1rem 1.3rem; margin-top: 1.5rem; font-weight: 600;
}
.form-ok.is-visible { display: block; }

/* ---------- Footer ---------- */

.site-footer { background: var(--footer-bg); color: var(--footer-ink); margin-top: var(--s-section); }
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1.2fr; gap: 3rem;
  padding-block: clamp(3.5rem, 7vw, 5.5rem) 3rem;
}
.footer-brand img { height: 26px; filter: invert(1); opacity: .95; }
.footer-brand p { margin-top: 1.2rem; max-width: 30ch; color: #B7B0A2; font-size: .95rem; }
.site-footer h4 { font: 700 .78rem/1 var(--font-body); letter-spacing: .14em; text-transform: uppercase; color: #8F887A; margin: 0 0 1.2rem; }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin-bottom: .65rem; }
.site-footer a { color: var(--footer-ink); text-decoration: none; font-size: .97rem; }
.site-footer a:hover { color: #E8945F; }
.footer-bottom {
  border-top: 1px solid #2B2820;
  padding-block: 1.4rem;
  display: flex; justify-content: space-between; align-items: center; gap: 1.5rem; flex-wrap: wrap;
  font-size: .85rem; color: #8F887A;
}
.footer-bottom nav { display: flex; gap: 1.5rem; }
.footer-bottom a { font-size: .85rem; color: #B7B0A2; }
.lang-switch b { color: var(--footer-ink); font-weight: 700; }

/* ---------- Reveal on scroll ---------- */

.reveal { opacity: 0; transform: translateY(16px); transition: opacity .7s ease, transform .7s ease; }
.reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .model-media img, .gallery img, .card img { transition: none !important; }
}

/* ---------- Responsive ---------- */

@media (max-width: 1000px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .drivers { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .g-7, .g-5 { grid-column: span 12; aspect-ratio: 3 / 2; }
  .g-4 { grid-column: span 6; }
}

@media (max-width: 860px) {
  .nav-links {
    display: none;
    position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; align-items: flex-start; gap: 0;
    background: var(--paper); border-bottom: 1px solid var(--line);
    padding: .75rem 1.5rem 1.25rem;
  }
  .nav-links.is-open { display: flex; }
  .nav-links a { padding: .8rem 0; width: 100%; }
  .nav-links a[aria-current="page"] { border-bottom: none; }
  .menu-toggle { display: inline-flex; }
  .nav { gap: 1rem; }

  .model-row { grid-template-columns: 1fr; gap: 1.75rem; }
  .split { grid-template-columns: 1fr; }
  .split-media { aspect-ratio: 3 / 2; }
  .spec-cols { grid-template-columns: 1fr; gap: 0; }
  .price-cards { grid-template-columns: 1fr; }
  .cards-3 { grid-template-columns: 1fr; }
  .stats-row { grid-template-columns: repeat(2, 1fr); }
  .includes { columns: 1; }
  .form-grid { grid-template-columns: 1fr; }
  .hero-figure img { aspect-ratio: 4 / 3; }
}

@media (max-width: 560px) {
  .stats-row { grid-template-columns: 1fr 1fr; gap: 1.5rem; }
  .steps { grid-template-columns: 1fr; }
  .drivers { grid-template-columns: 1fr; }
  .meta-strip { gap: 1.5rem 2rem; }
  .footer-grid { grid-template-columns: 1fr; gap: 2.25rem; }
  .g-4 { grid-column: span 12; aspect-ratio: 4 / 3; }
}

/* ===== TU M — INIZIO ===== */

/* ------------------------------------------------------------
   TU M · v17 "TIPI SERI" — riscrittura pulita su BLUEPRINT v17.
   UNA scala, UN eyebrow, UNA caption, terracotta a whitelist,
   carta calda; i due WOW (foto 2500px + 3D) respirano.
   Capitoli numerati come il blueprint: §1 sistema · §3 sezioni ·
   §4 motion · §5 responsive (1024/899/767/720) · §6 reduced-motion
   (in coda: i suoi runway vincono su §5 a pari cascata).
   CONTRATTI JS intoccati: elenco completo in BLUEPRINT §8
   (viewer-tu-m.js + tu-m-director.js + script.js). Regole dure:
   MAI transition su transform per .btn-magnetic e .drag-pill;
   [data-variant-panel] usa l'attributo hidden; html.anim è il gate.
   Classi HTML strutturali SENZA regola (ereditano i default — QA ok):
   .btn-label, .planos-set, .tech-zone, .variant-state, .sec-builds.
   ------------------------------------------------------------ */

/* --- §1.1 TOKEN — custom properties su body.tum --- */
body.tum {
  --paper:   #F6F3EC;                 /* canvas di pagina */
  --band:    #EFEBE1;                 /* strisce di servizio (garanzie, indice) */
  --surface: #FFFFFF;                 /* SOLO tavole, card, header/footer chrome */
  --dark:    #211E19;                 /* unica sezione feature scura + fondo hero */
  --ink:     #24211C;                 /* titoli, valori forti */
  --body:    #4A453D;                 /* testo corrente */
  --ink-2:   #8A8477;                 /* secondario, caption, eyebrow */
  --line:      rgba(36, 33, 28, .14); /* hairline standard */
  --line-soft: rgba(36, 33, 28, .08);
  --accent:  #C15A28;                 /* terracotta — SOLO whitelist §1.6 */
  --accent-deep: #C15A28;             /* rimappa i token base (focus ring ecc.) */
  --accent-darker: #A2461B;
  /* palette on-dark (materiali + overlay foto) */
  --d-text: #EDE9E1;
  --d-mut:  #A9A29A;
  --d-cap:  #C9C2B8;
  --d-line: rgba(255, 255, 255, .14);
  /* geometria */
  --radius: 3px;                      /* UNICO radius: bottoni, card, tavole, badge */
  --w-page: 1220px;                   /* = --w-wide: una sola griglia */
  --w-wide: 1220px;
  --header-h: 84px;
  --tech-h: 56px;
  --s-section: clamp(72px, 8.5vw, 120px); /* .section/.section-tight base la leggono */
  --ease-lux: cubic-bezier(.16, 1, .3, 1);
  --font-display: 'Merriweather', Georgia, serif;
  --font-ui: 'Mulish', sans-serif;
  --font-body: 'Nunito Sans', sans-serif;
  /* T3 body: Nunito Sans 400 · 17px/28px */
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 28px;
  color: var(--body);
  background: var(--paper);
}

/* Un solo container: tutta la pagina su UNA griglia da 1220 */
.tum .container,
.tum .container-wide { width: min(100% - 48px, var(--w-wide)); margin-inline: auto; }

.tum table { font-variant-numeric: tabular-nums; }
.tum .nb { white-space: nowrap; } /* contratto: lega numero e unità */
.tum .skip-link { color: #fff; text-decoration: none; }
.tum .sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* Registri tonali (§1.5): carta di default, banda per il servizio,
   dark solo materiali. Bianco --surface SOLO su tavole/card/chrome. */
.tum .sec-bone { background: var(--band); }
.tum .sec-dark { background: var(--dark); color: var(--d-text); }

/* --- §1.2 SCALA UNICA — nessun'altra size esiste nel blocco --- */
.tum h1, .tum h2, .tum h3 {
  font-family: var(--font-display);
  font-weight: 300;
  letter-spacing: normal;
  color: var(--ink);
  margin: 0;
}

/* T1 titolo di sezione — MAI oltre 34px */
.tum .h-section,
.tum .act1-title { font-size: clamp(26px, 2.4vw, 34px); line-height: 1.25; }

/* T2 sottotitolo */
.tum .h-sub { font-size: 22px; line-height: 1.35; }

/* Standfirst: T3, max 62ch, 16px sotto il titolo (§1.7) */
.tum .h-section + p { margin-top: 16px; max-width: 62ch; }
.tum main p { max-width: 65ch; }
.tum .muted { color: var(--ink-2); }

/* EYEBROW (unico): Mulish 600 11px +.16em UPPERCASE — MAI terracotta.
   Unica dichiarazione uppercase del blocco; .pdp-specs dt è la
   variante micro 10px della stessa voce. */
.tum .sec-eyebrow,
.tum .pdp-eyebrow,
.tum .act1-eyebrow,
.tum .pdp-specs dt {
  display: block;
  margin: 0 0 14px;
  font: 600 11px/1 var(--font-ui);
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--ink-2);
}
.tum .pdp-eyebrow { margin-bottom: 10px; color: rgba(255, 255, 255, .64); }
.tum .sec-dark .sec-eyebrow { color: var(--d-mut); }

/* CAPTION (unica): Nunito 400 13px/1.5 --ink-2, sentence case.
   Vale per figcaption, th di .areas, breadcrumb, hint, note, badge. */
.tum .plano figcaption,
.tum .material-tiles figcaption,
.tum .areas th,
.tum .pdp-crumbs,
.tum .stage-hint,
.tum .plate-note,
.tum .compare-note,
.tum .viewer3d-loading {
  font: 400 13px/1.5 var(--font-body);
  letter-spacing: normal;
  text-transform: none;
  color: var(--ink-2);
}

/* --- §1.3 BOTTONI — una geometria, replica DNA --- */
.tum .btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 10px;
  font: 400 16px/1 var(--font-ui);
  letter-spacing: normal;
  text-transform: none;
  text-decoration: none;
  padding: 13px 24px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background-color .25s ease, color .25s ease; /* mai transform: i .btn-magnetic ricevono transform inline dal director */
}
.tum .btn svg { flex: none; width: 20px; height: 20px; }
.tum .btn-solid { background: var(--ink); color: #fff; }
.tum .btn-solid:hover { background: #100E0B; color: #fff; }

/* Compatto barra (tech-switch) */
.tum .variant-configure { align-self: center; padding: 9px 18px; font-size: 14px; white-space: nowrap; }

/* --- §1.4 LINK — colore ereditato, underline 1px, hover terracotta --- */
.tum a {
  color: inherit;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}
.tum a:hover { color: var(--accent); }

/* Link su dark (§3.7) */
.tum .sec-dark a {
  color: #fff;
  text-decoration-color: var(--accent);
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}
.tum .sec-dark a:hover { color: var(--accent); }

/* CTA di sezione: T4 15px, link secondari */
.tum .section-cta { margin: 28px 0 0; font-size: 15px; line-height: 24px; color: var(--ink-2); }
.tum .section.sec-bone .section-cta { margin-top: 40px; } /* garanzie (§3.9) */

/* --- §3.13a HEADER — chrome replica del sito (misurato): bianco
       pieno 84px, hairline solo .is-scrolled, Mulish 400 16px,
       voce attiva terracotta (whitelist §1.6.1) --- */
.tum .site-header {
  background: var(--surface);
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
  border-bottom: 1px solid transparent;
}
.tum .site-header.is-scrolled { border-bottom-color: var(--line); box-shadow: none; }
.tum .nav { height: var(--header-h); gap: 40px; }
.tum .brand img { height: 40px; width: auto; }
.tum .nav-links { gap: 40px; }
.tum .nav-links a { font: 400 16px/1 var(--font-ui); color: var(--ink); text-decoration: none; }
.tum .nav-links a:hover { color: var(--ink); text-decoration: underline; text-underline-offset: 6px; text-decoration-thickness: 1px; }
.tum .nav-links a[aria-current] { color: var(--accent); border-bottom: none; padding-bottom: 0; }
.tum .lang-link { font: 400 16px/1 var(--font-ui); color: var(--ink); text-decoration: none; }
.tum .lang-link:hover { color: var(--ink); text-decoration: underline; text-underline-offset: 6px; }
.tum .menu-toggle {
  display: none; align-items: center; justify-content: center;
  background: none; border: 0; border-radius: var(--radius);
  padding: 4px; cursor: pointer; /* v48: hit area 48px */
}

/* --- §3.0 (v23) COVER FOTO-LED — apertura: il modulo REALE al tramonto a
   tutto campo, tipografia quieta su un velo morbido. È l'emozione ("tipi
   seri") al primo secondo; il 3D interattivo è la SCENA DOPO (§3.3), su
   carta calda. Non è una landing: una sola foto, un titolo, uno spunto a
   scendere — il resto della pagina resta identico. --- */
.tum .tum-cover {
  position: relative;
  height: calc(100svh - var(--header-h));
  min-height: 520px;
  overflow: hidden;
  background: var(--ink);
  isolation: isolate;
}
.tum .tum-cover-img {
  position: absolute; inset: 0; z-index: 0;
  width: 100%; height: 100%;
  object-fit: cover; object-position: 50% 58%;
}
.tum .tum-cover-scrim {
  position: absolute; inset: 0; z-index: 1; pointer-events: none;
  /* v23.2: velo inferiore più deciso → titolo/specs/CTA sempre leggibili */
  /* v25: velo CONTINUO (niente banda visibile) — eases dolce, foto pulita */
  background:
    linear-gradient(180deg, rgba(20,14,9,.42) 0%, rgba(20,14,9,0) 28%),
    linear-gradient(0deg,   rgba(20,14,9,.60) 0%, rgba(20,14,9,.32) 24%, rgba(20,14,9,.12) 46%, rgba(20,14,9,0) 74%);
}
.tum .tum-cover-inner {
  position: relative; z-index: 2;
  height: 100%;
  display: flex; flex-direction: column; justify-content: flex-end; /* titolo in basso */
  padding-bottom: clamp(30px, 6vh, 62px);
  color: #FBF7F0;
}
/* eyebrow */
.tum .tum-cover-eyebrow {
  margin: 0 0 clamp(12px, 1.8vh, 18px);
  font: 700 12px/1 var(--font-ui); letter-spacing: var(--track-caps); text-transform: uppercase;
  color: rgba(251,247,240,.82);
}
.tum .tum-cover-title {
  margin: 0; max-width: 16ch;
  font: 300 clamp(27px, 3.7vw, 44px)/1.16 var(--font-display);
  letter-spacing: -.008em; color: #FDFBF7; text-wrap: balance;
}
.tum .tum-cover-title .nb { white-space: nowrap; }
/* specs chiave (dichiarano il PRODOTTO) — sulla foto, leggibili sul velo */
.tum .tum-cover-specs {
  display: flex; flex-wrap: wrap; gap: 10px clamp(22px, 3vw, 46px);
  margin: clamp(18px, 2.6vh, 26px) 0 0;
}
.tum .tum-cover-specs > div { display: flex; flex-direction: column-reverse; gap: 3px; }
.tum .tum-cover-specs dt {
  margin: 0; font: 700 10px/1 var(--font-ui); letter-spacing: var(--track-caps); text-transform: uppercase;
  color: rgba(251,247,240,.72);
}
.tum .tum-cover-specs dd {
  margin: 0; font: 300 20px/1 var(--font-display); color: #FDFBF7;
  font-variant-numeric: tabular-nums;
}
/* CTA prodotto + subline "atelier" (il no-prezzo diventa su misura) */
.tum .tum-cover-cta { margin-top: clamp(20px, 3vh, 28px); }
.tum .tum-cover-note { margin: 12px 0 0; font: 400 12px/1.4 var(--font-ui); letter-spacing: .01em; color: rgba(251,247,240,.66); }

/* v23.3 (cliente: "aggiungi qualcosa, migliorala ancora un po'") — tocco
   premium ma QUIETO: la foto "respira" con uno zoom lentissimo e il testo
   entra in sequenza al load. Tutto sotto guardia reduced-motion. */
@media (prefers-reduced-motion: no-preference) {
  .tum .tum-cover-img {
    transform-origin: 58% 54%;
    animation: tumCoverBreath 1.7s var(--ease-lux) both; /* v25: UN assestamento, niente loop */
    will-change: transform;
  }
  .tum .tum-cover-eyebrow,
  .tum .tum-cover-title,
  .tum .tum-cover-specs,
  .tum .tum-cover-cta { animation: tumCoverRise .95s var(--ease-lux) backwards; }
  .tum .tum-cover-eyebrow { animation-delay: .10s; }
  .tum .tum-cover-title   { animation-delay: .22s; }
  .tum .tum-cover-specs   { animation-delay: .42s; }
  .tum .tum-cover-cta     { animation-delay: .56s; }
}
@keyframes tumCoverBreath { from { transform: scale(1.035); } to { transform: scale(1); } }
/* rise SENZA opacity: se l'animazione non gira (tab in background, motore
   d'animazione in pausa) il testo resta comunque VISIBILE — mai invisibile. */
@keyframes tumCoverRise { from { transform: translateY(16px); } to { transform: none; } }

/* v23.4 — COVER per modelli SENZA foto (TU S): stessa .tum-cover ma veste
   chiara — axonometria a destra (contain, su carta), testo a sinistra in ink.
   Dà una hero coerente con le altre pagine usando "la foto del modello". */
.tum .cover-axo { background: var(--paper); }
.tum .cover-axo .tum-cover-scrim { display: none; }
.tum .cover-axo .tum-cover-img {
  /* a tutto campo come le foto: disegno grande in alto a destra, il testo
     vive in basso a sinistra (zona libera) come nelle altre hero */
  inset: auto; top: clamp(2%, 4vh, 8%); right: 0; left: auto; bottom: auto;
  width: min(64%, 940px); height: 64%;
  object-fit: contain; object-position: right center;
  mix-blend-mode: multiply;
  animation: none; /* niente breath sul disegno */
}
.tum .cover-axo .tum-cover-inner { justify-content: flex-end; }
.tum .cover-axo .tum-cover-head { max-width: min(58%, 600px); }
.tum .cover-axo .tum-cover-eyebrow { color: var(--accent); }
.tum .cover-axo .tum-cover-title { color: var(--ink); }
.tum .cover-axo .tum-cover-specs dt { color: var(--ink-2); }
.tum .cover-axo .tum-cover-specs dd { color: var(--ink); }
@media (max-width: 820px) {
  .tum .cover-axo .tum-cover-img {
    top: clamp(70px, 12vh, 110px); right: 0; left: 0;
    width: 100%; height: 40%; object-position: center;
  }
  .tum .cover-axo .tum-cover-head { max-width: none; }
}

/* --- v24 (audit visivo): leggibilità del testo cover su QUALSIASI foto (anche
   chiare tipo L/M) via text-shadow morbida — indipendente dal velo. Specs a
   griglia 2×2 fissa su mobile (mai 3+1). --- */
.tum .tum-cover-eyebrow,
.tum .tum-cover-title,
.tum .tum-cover-specs { text-shadow: 0 1px 16px rgba(18, 12, 8, .42); }
.tum .cover-axo .tum-cover-eyebrow,
.tum .cover-axo .tum-cover-title,
.tum .cover-axo .tum-cover-specs { text-shadow: none; } /* la cover-axo è su carta chiara: niente ombra */
@media (max-width: 560px) {
  .tum .tum-cover-specs { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 22px; }
}
/* v24 hardening (audit #3): senza director (reduced-motion) lo stageShift non
   gira → il modello resta centrato e può toccare l'intro. Qui lo spostiamo a
   destra staticamente ≥900px così il testo resta libero anche nel fallback. */
@media (min-width: 900px) and (prefers-reduced-motion: reduce) {
  .tum .act1-stage { transform: translateX(15%); }
}

/* --- §3.1 (v23) IL 3D È LA SECONDA SCENA — dopo la cover foto, l'atto
   interattivo (§3.3) dove giochi i tre layout. Le regole .pdp-hero* non
   esistono più; l'H1 vive nella cover, l'atto porta l'H2. --- */

/* --- §3.2 PDP-BAR — i dati essenziali, una CTA (dopo il pin del 3D) --- */
.tum .pdp-bar { background: var(--paper); border-top: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft); }
.tum .pdp-bar .container-wide { padding-block: 22px; }
.tum .pdp-crumbs { margin: 0 0 18px; }
.tum .pdp-crumbs li + li::before { color: rgba(36, 33, 28, .35); }
.tum .pdp-crumbs [aria-current] { color: var(--ink); font-weight: 600; }
.tum .pdp-bar-row {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 24px 40px; flex-wrap: wrap;
}
.tum .pdp-specs { display: flex; flex-wrap: wrap; gap: 8px clamp(28px, 3.5vw, 56px); margin: 0; }
.tum .pdp-specs > div { display: flex; flex-direction: column-reverse; gap: 6px; }
.tum .pdp-specs dt { margin: 0; font-size: 10px; } /* variante micro dell'eyebrow (§1.2) */
.tum .pdp-specs dd {
  margin: 0;
  font: 300 20px/1 var(--font-display); /* T-data display */
  color: var(--ink);
  /* v20.2 (giuria): NIENTE tabular-nums qui — non è una colonna; su Merriweather
     display creava lo spazio ottico "12 ×3" vs l'H1 (tabular solo nelle tabelle) */
}
/* .pdp-cta: bottone primario, NON .btn-magnetic — lift/settle in §4 */

/* --- §3.3 ACT1 — il 3D respira su carta. Track 520vh collaudata;
       #stage sul track: fallback rotazione-scroll del viewer.
       #viewer3d[data-models][data-initial] intatto; il sizing dello
       stage lo dà la regola base .viewer3d.viewer3d-stage. --- */
.tum .tum-act1 { position: relative; height: 520vh; background: var(--paper); }
.tum .act1-track { height: 100%; }
.tum .act1-sticky {
  position: sticky; top: var(--header-h);
  height: calc(100vh - var(--header-h));
  height: calc(100dvh - var(--header-h));
  min-height: 480px;
  display: flex; flex-direction: column;
  overflow: hidden;
  background: var(--paper);
}
.tum .act1-stage { position: relative; flex: 1 1 auto; min-height: 0; }
/* Poster: contain + multiply — su carta si fonde perfettamente */
.tum .viewer3d-poster { object-fit: contain; mix-blend-mode: multiply; }

/* Badge loading (#viewer3d-loading): CAPTION su riquadro bianco */
.tum .viewer3d-loading {
  inset: auto; left: 20px; bottom: 20px;
  padding: 9px 14px;
  background: rgba(255, 255, 255, .95);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  animation: pulse 1.4s ease-in-out infinite;
}

/* Overlay: testi ai bordi, mai sopra il modello; gli eventi passano */
.tum .act1-overlay { position: absolute; inset: 0; z-index: 5; pointer-events: none; }

/* Intro (beat 1) = HERO della pagina (v21): colonna sinistra centrata in
   verticale, il modello vive nella metà destra (stageShift del director) */
.tum .act1-intro {
  position: absolute;
  top: 50%; transform: translateY(-50%);
  left: max(24px, calc(50% - var(--w-wide) / 2));
  width: min(42%, 460px);
}
.tum .act1-intro .pdp-crumbs { margin: 0 0 20px; }
/* H1: la scala QUIETA della v16 (Merriweather 300 ~25px), ora su carta */
.tum .act1-kicker {
  margin: 0 0 12px;
  font: 700 11px/1 var(--font-ui); letter-spacing: var(--track-caps); text-transform: uppercase;
  color: var(--ink-2); /* v25: terracotta razionato — eyebrow/kicker in ink */
}
.tum .act1-title {
  margin: 0;
  font: 300 clamp(20px, 1.8vw, 26px)/1.42 var(--font-display);
  letter-spacing: .005em;
  color: var(--ink);
  text-wrap: balance;
}
.tum .stage-hint { display: block; margin: 14px 0 0; } /* CAPTION (§1.2) */
.tum .stage-hint::before { content: none; }             /* via il trattino */

/* Scene captions ([data-beat] + .is-on, contratto): spente di default */
.tum .scene-caption {
  position: absolute;
  margin: 0;
  opacity: 0; visibility: hidden;
  transform: translateY(14px);
  pointer-events: none;
}
.tum .scene-caption p { margin: 0; max-width: none; }
.tum .scene-caption-left {
  left: max(24px, calc(50% - var(--w-wide) / 2));
  bottom: clamp(64px, 12vh, 128px);
  max-width: 38ch;
}
/* beat 2 + lead del beat 3: T2 Merriweather */
.tum .scene-caption-left[data-beat="2"],
.tum .caption-lead {
  font: 300 22px/1.5 var(--font-display);
  letter-spacing: normal;
  color: var(--ink);
}
.tum .caption-sub { margin-top: 8px; font-size: 15px; line-height: 24px; color: var(--ink-2); }
/* beat 4a/b/c: caption bassa centrata */
.tum .scene-caption-low {
  inset-inline: 24px;
  bottom: clamp(48px, 9vh, 104px);
  margin-inline: auto;
  width: fit-content;
  max-width: min(52ch, 100%);
  text-align: center;
  font-size: 16px; line-height: 26px;
  color: var(--ink-2);
}
.tum .scene-caption-low b { color: var(--ink); font-weight: 700; }

/* Progress rail 01–04 (.rail-dot cliccabili: viaggio al beat) */
.tum .progress-rail {
  position: absolute;
  right: clamp(16px, 2.5vw, 40px);
  top: 50%; transform: translateY(-50%);
  display: flex; flex-direction: column; align-items: flex-end;
  gap: 18px;
  pointer-events: auto;
}
.tum .rail-dot { display: flex; align-items: center; gap: 10px; padding: 4px 0; cursor: pointer; }
.tum .rail-num {
  font: 400 12px/1 var(--font-ui);
  font-variant-numeric: tabular-nums;
  letter-spacing: normal;
  color: var(--ink-2);
}
.tum .rail-dot::after { content: ""; width: 18px; height: 1px; background: var(--line); }
.tum .rail-dot:hover .rail-num { color: var(--ink); }
.tum .rail-dot.is-on .rail-num, .tum .rail-dot.is-active .rail-num { color: var(--accent); }
.tum .rail-dot.is-on::after, .tum .rail-dot.is-active::after { background: var(--accent); width: 32px; }

/* Drag pill: il director scrive transform inline (ancora top-left);
   qui SOLO aspetto e stato spento — MAI transition su transform */
.tum .drag-pill {
  position: fixed; left: 0; top: 0; z-index: 90;
  padding: 8px 14px;
  font: 400 12px/1 var(--font-ui);
  letter-spacing: normal; text-transform: none;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 999px;
  pointer-events: none;
  opacity: 0; scale: .85;
}

/* --- §3.4 TECH-SWITCH — il testimone sticky su carta --- */
.tum .tech-switch {
  position: sticky; top: var(--header-h); z-index: 60;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}
.tum .tech-switch-inner {
  display: flex; align-items: stretch; justify-content: space-between;
  gap: 32px;
  min-height: var(--tech-h);
}
.tum .variant-switch { display: flex; align-items: stretch; gap: 0 clamp(20px, 2.5vw, 36px); }
.tum .variant-btn {
  position: relative;
  font: 400 15px/1 var(--font-ui);
  letter-spacing: normal; text-transform: none;
  color: var(--ink-2);
  background: none;
  border: 0; border-radius: 0;
  padding: 0 2px;
  white-space: nowrap;
  cursor: pointer;
  transition: color .25s ease;
}
.tum .variant-btn:hover { color: var(--ink); }
.tum .variant-btn.is-active { color: var(--accent); } /* whitelist §1.6.2 */
.tum .variant-btn.is-active::after {
  content: "";
  position: absolute; left: 0; right: 0; bottom: -1px;
  height: 2px;
  background: var(--accent); /* incollata alla hairline della barra */
}
/* .variant-configure (bottone compatto §1.3, .btn-magnetic) aggiorna
   .js-variant-id — pannelli [data-variant-panel] via attributo hidden */

/* --- v23.2: SELETTORE VARIANTI PERSISTENTE (.act1-picker) — segmented control
   ancorato SOTTO il modello, sempre visibile e SEMPRE cliccabile. Vive fuori dal
   regime beat (non svanisce con l'intro) e riabilita i pointer-events (l'overlay
   è none per lasciar girare il modello). Attivo = terracotta pieno. --- */
.tum .act1-picker {
  position: absolute; z-index: 6;
  left: 50%; transform: translateX(-50%);
  bottom: clamp(18px, 4vh, 40px);
  display: flex; align-items: stretch;
  pointer-events: auto;                 /* i click DEVONO arrivare qui */
  background: rgba(246, 243, 236, .82);
  -webkit-backdrop-filter: blur(7px); backdrop-filter: blur(7px);
  border: 1px solid var(--line);
  border-radius: 999px;
  overflow: hidden;
  box-shadow: 0 8px 28px rgba(29, 29, 27, .10);
}
.tum .act1-picker .variant-btn {
  display: flex; align-items: baseline; gap: 8px;
  padding: 11px clamp(16px, 1.6vw, 24px);
  border: 0; border-right: 1px solid var(--line);
  background: none; white-space: nowrap; cursor: pointer;
  transition: background .2s ease, color .2s ease;
}
.tum .act1-picker .variant-btn:last-child { border-right: 0; }
.tum .act1-picker .variant-btn::after { display: none; } /* niente underline del contratto */
.tum .act1-picker .variant-btn b { font: 700 14px/1 var(--font-ui); letter-spacing: .04em; color: var(--ink); }
.tum .act1-picker .variant-btn span { font: 400 13px/1 var(--font-ui); color: var(--ink-2); }
.tum .act1-picker .variant-btn:hover { background: rgba(193, 90, 40, .07); }
.tum .act1-picker .variant-btn.is-active { background: var(--accent); }
.tum .act1-picker .variant-btn.is-active b,
.tum .act1-picker .variant-btn.is-active span { color: #fff; }
/* mobile: solo i codici (TUM01/02/03), niente descrittori → il control ci sta */
@media (max-width: 560px) {
  .tum .act1-picker .variant-btn { padding: 10px 16px; gap: 0; }
  .tum .act1-picker .variant-btn span { display: none; }
}

/* --- §3.5 DISTRIBUTION — il dossier tecnico (fuso) --- */
.tum #distribution { scroll-margin-top: calc(var(--header-h) + var(--tech-h) + 16px); }
.tum .variant-anchor { display: block; height: 0; scroll-margin-top: calc(var(--header-h) + var(--tech-h) + 16px); }

/* v20.2 (giuria): .dist-state eliminata — l'elemento è stato rimosso
   dall'HTML in v20.1 (label tripla); regola orfana cancellata per igiene */
.tum .dist-panel { margin-top: 40px; }

/* Tavole: card bianche (--surface), hairline, radius 3, zero ombre */
.tum .plano {
  --plate-pad: clamp(20px, 2.5vw, 40px);
  margin: 0;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: none;
  overflow: hidden;
  display: flex; flex-direction: column;
}
.tum .plano img {
  display: block;
  width: 100%; height: auto;
  box-sizing: border-box;
  aspect-ratio: var(--ar, auto);
  object-fit: contain;
  background: var(--surface);
  padding: var(--plate-pad);
}
.tum .plano-planta img { padding-block: clamp(12px, 1.4vw, 18px); }
.tum .plano figcaption {
  border-top: 1px solid var(--line);
  padding: 10px 16px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  margin-top: auto; /* caption sempre al piede */
}

/* Griglia tecnica: copy + aree | dettagli */
.tum .tech-grid {
  margin-top: clamp(20px, 2.4vw, 32px);
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: clamp(32px, 4vw, 64px);
  align-items: start;
}
.tum .dist-copy {
  border-left: 2px solid var(--accent); /* pattern accordion DNA (§3.5) */
  padding-left: clamp(18px, 2vw, 26px);
}
.tum .dist-copy .h-sub {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr); /* hanging indent sotto 'TUM01' */
  column-gap: 12px;
  align-items: baseline;
}
.tum .dist-num { color: var(--accent); font-variant-numeric: tabular-nums; }
.tum .dist-copy > p { margin-top: 12px; }
.tum .tech-plates { min-width: 0; }

/* Tabella aree: th CAPTION su riga ink, td T-tabella */
.tum table.areas { width: 100%; border-collapse: collapse; margin-top: 20px; }
.tum .areas th { text-align: left; border-bottom: 1px solid var(--ink); padding: 10px 0; }
.tum .areas td {
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
  font-size: 16px; line-height: 1.5;
  color: var(--body);
}
.tum .areas th:last-child, .tum .areas td:last-child { text-align: right; }
.tum .areas td:last-child { font-weight: 700; color: var(--ink); white-space: nowrap; }

/* Dettagli: griglia 2 col; con 3 tavole la prima prende la riga */
.tum .planos-details { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.tum .planos-details .plano { --plate-pad: clamp(14px, 1.6vw, 24px); }
.tum .planos-details .plano:first-child:nth-last-child(3) { grid-column: 1 / -1; }
.tum .planos-details .plano figcaption { padding: 9px 14px; }
.tum .plate-note { margin: 12px 0 0; }

/* Compare: layout impilato, "Side by side" = T2 e basta */
.tum .dist-compare .h-sub { margin-top: clamp(56px, 7vw, 80px); }
.tum .dist-compare .table-scroll { margin-top: 20px; }
.tum .compare th {
  /* v20.2 (giuria): stesso trattamento-caption degli header di .areas —
     un solo stile di header tabella nel capitolo (la gerarchia la fa
     la prima colonna bold) */
  font: 400 13px/1.5 var(--font-body);
  letter-spacing: normal; text-transform: none;
  color: var(--ink-2);
  border-bottom: 1px solid var(--ink);
  padding: 10px 16px;
}
/* la cella vuota del thead (td aria-hidden) chiude la stessa linea ink */
.tum .compare thead td { border-bottom: 1px solid var(--ink); }
.tum .compare td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
  font-size: 16px; line-height: 1.5;
  color: var(--body);
}
.tum .compare td:first-child { font: 700 15px/1.5 var(--font-body); color: var(--ink); white-space: nowrap; }
/* v20.1 (giuria): prima/ultima colonna a filo del container come tutto il resto */
.tum .compare th:first-child, .tum .compare td:first-child { padding-left: 0; }
.tum .compare th:last-child, .tum .compare td:last-child { padding-right: 0; }
.tum .compare-note { margin: 14px 0 0; }

/* --- §3.6 INTERLUDE — il respiro, nessun testo --- */
.tum .tum-interlude { margin: 0; overflow: hidden; } /* [data-parallax]: il contenitore taglia sempre */
.tum .tum-interlude img {
  display: block;
  width: 100%;
  height: min(56vh, 600px);
  object-fit: cover;
}

/* --- §3.7 MATERIALI — l'unico picco scuro (#211E19) --- */
.tum .sec-dark .h-section { color: #fff; }
.tum .sec-dark .muted { color: var(--d-mut); }
.tum .material-tiles {
  margin-top: 44px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}
.tum .material-tiles figure {
  margin: 0;
  border: 1px solid var(--d-line);
  border-radius: var(--radius);
  overflow: hidden;
}
.tum .material-tiles img {
  display: block;
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}
.tum .material-tiles figcaption {
  color: var(--d-cap);
  border-top: 1px solid var(--d-line);
  padding: 10px 14px;
}
.tum .quality-list {
  margin: 40px 0 0; padding: 0; list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 clamp(40px, 5vw, 64px);
}
.tum .quality-list li {
  padding: 22px 0; /* v20.1 (giuria): più aria tra i blocchi del dossier scuro */
  border-top: 1px solid var(--d-line);
  font-size: 15px; line-height: 24px;
  color: var(--d-mut);
}
.tum .quality-list b {
  display: block;
  font: 700 16px/1.5 var(--font-body);
  color: #fff;
  margin-bottom: 6px;
}
/* v20.3 (giuria r3): l'11ª voce (Lighting) chiude a piena larghezza — niente
   cella orfana, le colonne finiscono pari */
.tum .quality-list li:nth-last-child(2) { grid-column: 1 / -1; }
/* v20.1 (giuria): il link finale esce dalla griglia — riga propria a piena
   larghezza sotto le due colonne, chiusura chiara del dossier */
.tum .quality-cta { grid-column: 1 / -1; margin-top: 8px; }
.tum .quality-cta a { font-size: 15px; }

/* --- §3.8 BUILDS — foto band full-bleed su carta --- */
.tum .photo-band { margin: 44px 0 0; overflow: hidden; }
.tum .photo-band img {
  display: block;
  width: 100%;
  height: min(64vh, 640px);
  object-fit: cover;
  object-position: 50% 38%; /* v20.3 (giuria r3): l'architettura domina, meno prato */
}

/* --- §3.9 GARANZIE — striscia "contratto" su banda --- */
.tum .guarantees {
  margin: 40px 0 0; padding: 0; list-style: none;
  display: grid;
  /* v20.1 (giuria): 3+2 invece di 5 colonne strette — titoli su una riga,
     baseline allineate, la striscia ritrova la quiete del sistema */
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 40px clamp(32px, 3.5vw, 56px);
}
.tum .guarantees li { border-top: 1px solid var(--line); padding-top: 16px; }
/* v20.1 (giuria): taglie riportate in scala (T-data 20 / T4 15-24) */
.tum .guarantees b { display: block; font: 300 20px/1.35 var(--font-display); color: var(--ink); }
.tum .guarantees span { display: block; margin-top: 8px; font-size: 15px; line-height: 24px; color: var(--ink-2); }
/* [data-countup] (contratto director): il numero resta inline nel testo */
.tum .guarantees span[data-countup] { display: inline; font: inherit; color: inherit; margin: 0; }
.tum [data-countup] { font-variant-numeric: tabular-nums; }

/* --- §3.10 FAQ — marcatore "+" terracotta (whitelist §1.6.5) --- */
.tum .faq { max-width: 760px; margin-top: 40px; }
.tum .faq summary { padding: 18px 0; font: 600 17px/1.5 var(--font-body); color: var(--ink); }
.tum .faq summary::after { font: 300 22px/1 var(--font-display); color: var(--accent); }
.tum .faq details p { font-size: 15px; line-height: 26px; color: var(--ink-2); max-width: 65ch; padding-bottom: 20px; }
.tum .faq-links { margin: 32px 0 0; display: flex; gap: 28px; flex-wrap: wrap; font-size: 15px; color: var(--ink-2); }

/* --- §3.11 OTHER SIZES — striscia "indice" su banda --- */
.tum .size-index { margin-top: 32px; }
.tum .size-row {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1.9fr);
  gap: 8px clamp(32px, 4vw, 64px);
  align-items: baseline;
  padding: 16px 0;
  border-top: 1px solid var(--line);
}
.tum .size-row:last-of-type { border-bottom: 1px solid var(--line); }
.tum .size-row h3 { font-size: 22px; line-height: 1.35; } /* T2 */
.tum .size-row h3 a { color: inherit; text-decoration: none; transition: color .25s ease; }
.tum .size-row h3 a:hover { color: var(--accent); }
.tum .size-row p { margin: 0; font-size: 15px; line-height: 24px; color: var(--ink-2); }

/* --- §3.12 CLOSING — chiusura fotografica, testo nel terzo basso --- */
.tum .closing {
  position: relative; isolation: isolate; overflow: hidden;
  min-height: min(64vh, 680px);
  display: grid; place-items: end center;
  padding-block: clamp(160px, 26vh, 260px) clamp(56px, 7vh, 88px);
  text-align: center;
}
.tum .closing-bg {
  position: absolute; inset: 0; z-index: -2;
  width: 100%; height: 100%;
  object-fit: cover;
}
/* v20.2 (giuria): CTA di chiusura CHIARA su foto scura (unica eccezione
   dichiarata al bottone ink — il momento del click deve staccare, rif. Vipp) */
.tum .btn-light {
  display: inline-flex; align-items: center; gap: 10px;
  background: var(--surface); color: var(--ink);
  padding: 12px 22px; border-radius: var(--radius);
  font: 400 16px/1 var(--font-ui); text-decoration: none;
  transition: transform .2s var(--ease-lux), background .2s ease;
}
.tum .btn-light:hover { background: #fff; color: var(--ink); transform: translateY(-1px); }
.tum .btn-light:active { transform: translateY(0) scale(.99); }

/* v20.1 (giuria): scrim rinforzato — testo AA garantito anche su zone chiare */
.tum .closing::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  /* v20.3 (giuria r3): gradiente basso più profondo — la sub-copy cade sulla
     fascia chiara della piscina, AA garantito sul pixel più chiaro */
  background:
    linear-gradient(0deg, rgba(29, 29, 27, .74) 0%, rgba(29, 29, 27, 0) 58%),
    linear-gradient(180deg, rgba(29, 29, 27, .42), rgba(29, 29, 27, .42));
}
.tum .closing h2 { color: #fff; }
.tum .closing p { color: rgba(255, 255, 255, .92); max-width: 54ch; margin: 16px auto 0; }
.tum .closing .hero-cta { margin-top: 32px; display: flex; justify-content: center; align-items: center; gap: 20px; flex-wrap: wrap; }
/* p.closing-ask: pari specificità (0,2,1) ma più tardi nel sorgente —
   vince su `.tum .closing p`, che altrimenti le darebbe margin auto
   (flex item: assorbe lo spazio libero e sbilancia la .hero-cta) */
.tum p.closing-ask { color: #fff; font-size: 15px; margin: 0; max-width: none; }
/* Link su foto (§1.4) */
.tum .closing-link { color: #fff; text-decoration-thickness: 1.5px; text-underline-offset: 4px; }
.tum .closing-link:hover { color: #fff; opacity: .85; }

/* --- §3.13b FOOTER — chrome replica: bianco, tre fasce hairline --- */
.tum .site-footer {
  margin-top: 0;
  background: var(--surface);
  color: var(--body);
  border-top: 1px solid var(--line);
}
.tum .site-footer a { color: var(--ink); text-decoration: none; }
.tum .footer-top { display: flex; align-items: center; gap: 32px; padding-block: 48px 8px; }
.tum .footer-top .brand img { height: 40px; width: auto; }
.tum .footer-social { display: flex; align-items: center; gap: 12px; }
.tum .footer-social a { display: inline-flex; padding: 6px; color: var(--ink); }
.tum .footer-social a:hover { color: var(--accent); }
.tum .footer-social svg { display: block; }
.tum .footer-menus {
  display: grid;
  grid-template-columns: 1fr 1fr 1.4fr;
  gap: 48px;
  padding-block: 40px 56px;
}
.tum .footer-menus ul { list-style: none; margin: 0; padding: 0; }
.tum .footer-menus li { margin: 0; }
.tum .footer-menus a { font-size: 16px; line-height: 2; }
.tum .footer-menus a:hover { color: var(--ink); text-decoration: underline; text-underline-offset: 4px; }
.tum .footer-news h3 { font: 300 26px/1.25 var(--font-display); color: var(--ink); margin: 0 0 24px; }
.tum .news-form { display: flex; gap: 12px; flex-wrap: wrap; align-items: stretch; }
.tum .news-form input {
  flex: 1 1 220px; min-width: 0;
  box-sizing: border-box;
  height: 48px; /* v20.3 (giuria r3): esplicita, placeholder centrato garantito */
  min-height: 48px;
  font: 400 16px/1.5 var(--font-body);
  color: var(--body);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px 16px;
}
.tum .news-form input:focus { outline: 2px solid var(--ink); outline-offset: 0; border-color: var(--ink); }
.tum .news-form .btn { flex: none; min-height: 48px; }
.tum .news-ok { margin: 12px 0 0; font-size: 15px; line-height: 24px; color: var(--ink-2); }
.tum .footer-legal { border-top: 1px solid var(--line); padding-block: 20px; }
.tum .footer-legal ul {
  list-style: none; margin: 0; padding: 0;
  display: flex; justify-content: space-between; gap: 12px 32px; flex-wrap: wrap;
}
.tum .footer-legal li { margin: 0; }
.tum .footer-legal a { font-size: 14px; color: var(--ink-2); }
.tum .footer-legal a:hover { color: var(--accent); }

/* ------------------------------------------------------------
   §4 MOTION — sobrio. Reveal/stagger/settle fuori dal gate (li
   neutralizza §6); scene, choreography e craft sotto il gate
   (prefers-reduced-motion: no-preference); load sotto html.anim.
   ------------------------------------------------------------ */

/* Reveal: 600ms (contratto .reveal + .is-in di script.js) */
.tum .reveal { opacity: 0; transform: translateY(14px); transition: opacity .6s ease, transform .6s ease; }
.tum .reveal.is-in { opacity: 1; transform: none; }

/* Foto full-bleed: .reveal è solo hook — settle 1.045 → 1 in 1.2s
   (fallback quando il parallax del director non è attivo) */
.tum .photo-zoom.reveal { opacity: 1; transform: none; transition: none; }
.tum .photo-zoom img { transform: scale(1.045); transition: transform 1.2s ease-out; will-change: transform; }
.tum .photo-zoom.is-in img { transform: none; }

/* Stagger 80ms su liste (12 qualità / 5 garanzie) */
.tum .quality-list.reveal > li,
.tum .guarantees.reveal > li { opacity: 0; transform: translateY(14px); transition: opacity .6s ease, transform .6s ease; }
.tum .quality-list.reveal.is-in > li,
.tum .guarantees.reveal.is-in > li { opacity: 1; transform: none; }
.tum .quality-list.reveal > li:nth-child(2),  .tum .guarantees.reveal > li:nth-child(2)  { transition-delay: .08s; }
.tum .quality-list.reveal > li:nth-child(3),  .tum .guarantees.reveal > li:nth-child(3)  { transition-delay: .16s; }
.tum .quality-list.reveal > li:nth-child(4),  .tum .guarantees.reveal > li:nth-child(4)  { transition-delay: .24s; }
.tum .quality-list.reveal > li:nth-child(5),  .tum .guarantees.reveal > li:nth-child(5)  { transition-delay: .32s; }
.tum .quality-list.reveal > li:nth-child(6)  { transition-delay: .4s; }
.tum .quality-list.reveal > li:nth-child(7)  { transition-delay: .48s; }
.tum .quality-list.reveal > li:nth-child(8)  { transition-delay: .56s; }
.tum .quality-list.reveal > li:nth-child(9)  { transition-delay: .64s; }
.tum .quality-list.reveal > li:nth-child(10) { transition-delay: .72s; }
.tum .quality-list.reveal > li:nth-child(11) { transition-delay: .8s; }
.tum .quality-list.reveal > li:nth-child(12) { transition-delay: .88s; }

@media (prefers-reduced-motion: no-preference) {

  /* LOAD choreography (gate html.anim via rAF): SUI FIGLI dell'intro,
     mai sul contenitore (che è centrato con translateY(-50%) e vive
     nel regime .is-live/.is-on del director). v21: la foto-hero non
     esiste più — l'hero è il modello 3D. */
  .anim .tum .act1-intro .pdp-crumbs   { animation: tumFade .6s ease-out .05s backwards; }
  .anim .tum .act1-intro .act1-eyebrow { animation: tumFade .6s ease-out .10s backwards; }
  .anim .tum .act1-intro .act1-title   { animation: tumRise .8s var(--ease-lux) .18s backwards; }
  .anim .tum .act1-intro .act1-hint    { animation: tumFade .7s ease-out .40s backwards; }

  /* Intro nel regime .is-live: fuori dal beat 1 esce con fade+rise */
  .tum .tum-act1.is-live .act1-intro { transition: opacity .5s var(--ease-lux), transform .5s var(--ease-lux); }
  .tum .tum-act1.is-live .act1-intro:not(.is-on) {
    opacity: 0;
    transform: translateY(calc(-50% - 16px)); /* resta centrata + nudge d'uscita */
    visibility: hidden; pointer-events: none;
    transition: opacity .5s var(--ease-lux), transform .5s var(--ease-lux), visibility 0s linear .5s;
  }

  /* Scene captions: entrata/uscita .5s ease-lux (contratto .is-on) */
  .tum .scene-caption { transition: opacity .5s var(--ease-lux), transform .5s var(--ease-lux), visibility 0s linear .5s; }
  .tum .scene-caption.is-on {
    opacity: 1; visibility: visible; transform: translateY(0);
    transition: opacity .5s var(--ease-lux), transform .5s var(--ease-lux);
  }

  /* Rail: la tacca attiva vira al terracotta e si allunga */
  .tum .rail-num { transition: color .35s ease; }
  .tum .rail-dot::after { transition: background-color .35s ease, width .35s var(--ease-lux); }

  /* Pill: SOLO opacity/scale — il transform inline resta libero */
  .tum .drag-pill { transition: opacity .25s ease, scale .25s var(--ease-lux); }
  .tum .drag-pill.is-on { opacity: 1; scale: 1; }

  /* Freccia dei bottoni: transizione sull'svg soltanto */
  .tum .btn svg { transition: transform .3s var(--ease-lux); }
  .tum .btn:hover svg { transform: translateX(3px); }

  /* Solo .pdp-cta (NON .btn-magnetic): lift 1px + settle */
  .tum .pdp-cta { transition: background-color .25s ease, color .25s ease, transform .2s var(--ease-lux); }
  .tum .pdp-cta:hover { transform: translateY(-1px); }
  .tum .pdp-cta:active { transform: translateY(0) scale(.99); }

  /* Parallax (contratto [data-parallax], ±6% via transform inline):
     il bleed lo dà `scale` — compone col transform del director —
     e neutralizza il settle .photo-zoom (smorzerebbe il lerp) */
  .anim .tum img[data-parallax] { scale: 1.14; transform: none; transition: none; }

  /* Tavole: planta slide-in 24px/700ms; dettagli a scalare 90ms */
  .tum .plate-slide.reveal { transform: translateX(24px); transition: opacity .7s var(--ease-lux), transform .7s var(--ease-lux); }
  .tum .plate-slide.reveal.is-in { transform: none; }
  .tum .stagger-plates.reveal { opacity: 1; transform: none; transition: none; }
  .tum .stagger-plates.reveal > .plano { opacity: 0; transform: translateY(14px); transition: opacity .6s var(--ease-lux), transform .6s var(--ease-lux); }
  .tum .stagger-plates.reveal.is-in > .plano { opacity: 1; transform: none; }
  .tum .stagger-plates.reveal > .plano:nth-child(2) { transition-delay: .09s; }
  .tum .stagger-plates.reveal > .plano:nth-child(3) { transition-delay: .18s; }

  /* Compare: righe a scalare 90ms */
  .tum .stagger-rows.reveal { opacity: 1; transform: none; transition: none; }
  .tum .stagger-rows.reveal tbody tr { opacity: 0; transform: translateY(10px); transition: opacity .55s var(--ease-lux), transform .55s var(--ease-lux); }
  .tum .stagger-rows.reveal.is-in tbody tr { opacity: 1; transform: none; }
  .tum .stagger-rows.reveal tbody tr:nth-child(2) { transition-delay: .09s; }
  .tum .stagger-rows.reveal tbody tr:nth-child(3) { transition-delay: .18s; }
  .tum .stagger-rows.reveal tbody tr:nth-child(4) { transition-delay: .27s; }

  /* Tile materiali: entrata a scalare + unico hover fotografico */
  .tum .material-tiles.reveal { opacity: 1; transform: none; transition: none; }
  .tum .material-tiles.reveal > figure { opacity: 0; transform: translateY(14px); transition: opacity .6s var(--ease-lux), transform .6s var(--ease-lux); }
  .tum .material-tiles.reveal.is-in > figure { opacity: 1; transform: none; }
  .tum .material-tiles.reveal > figure:nth-child(2) { transition-delay: .09s; }
  .tum .material-tiles.reveal > figure:nth-child(3) { transition-delay: .18s; }
  .tum .material-tiles img { transition: transform .5s var(--ease-lux); }
  .tum .material-tiles figure:hover img { transform: scale(1.03); }
  .tum .material-tiles figcaption { transition: color .25s ease; }
  .tum .material-tiles figure:hover figcaption {
    color: #fff;
    text-decoration: underline;
    text-underline-offset: 3px;
    text-decoration-thickness: 1px;
  }
}

@keyframes tumRise { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
@keyframes tumFade { from { opacity: 0; } to { opacity: 1; } }

/* ------------------------------------------------------------
   §5 RESPONSIVE — breakpoint invariati: 1024 / 899 (solo act1) /
   767 / 720.
   ------------------------------------------------------------ */
@media (max-width: 1024px) {
  /* header: nav a scomparsa, burger */
  .tum .menu-toggle { display: inline-flex; }
  .tum .nav-links {
    display: none;
    position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; align-items: flex-start; gap: 0;
    background: var(--surface);
    border-bottom: 1px solid var(--line);
    padding: 8px 24px 16px;
  }
  .tum .nav-links.is-open { display: flex; }
  .tum .nav-links a { padding: 14px 0; width: 100%; }
  .tum .site-header .lang-link { display: none; }

  .tum .tech-grid { grid-template-columns: 1fr; gap: 32px; }
  .tum .guarantees { grid-template-columns: repeat(2, minmax(0, 1fr)); }

  .tum .footer-menus { grid-template-columns: 1fr 1fr; gap: 40px; }
  .tum .footer-news { grid-column: 1 / -1; }
}

/* Act1 mobile: rail e pill spenti, intro in alto, captions in basso */
@media (max-width: 899px) {
  .tum .tum-act1 { height: 420vh; }
  .tum .progress-rail, .tum .drag-pill { display: none; }
  .tum .act1-intro { inset-inline: 20px; top: 18px; transform: none; width: auto; }
  .tum .act1-title { font-size: 24px; }
  .tum .scene-caption-left, .tum .scene-caption-low {
    inset-inline: 20px;
    bottom: clamp(84px, 14vh, 116px); /* sopra il .act1-picker (bottom-center) — niente sovrapposizione su M/L */
    width: auto; max-width: none;
    margin-inline: 0;
    text-align: left;
    font-size: 15px; line-height: 23px;
  }
  .tum .scene-caption-left[data-beat="2"], .tum .caption-lead { font-size: 20px; line-height: 1.4; }
  .tum .caption-sub { font-size: 15px; line-height: 23px; }
}

/* Uscita intro su mobile: qui l'intro è ancorata a top:18px con
   transform:none, quindi il nudge d'uscita NON parte dal -50% desktop.
   Stessa specificità (0,5,0) della regola nel gate §4, più tardi nel
   sorgente = vince; stesso gate no-preference della regola che corregge. */
@media (max-width: 899px) and (prefers-reduced-motion: no-preference) {
  .tum .tum-act1.is-live .act1-intro:not(.is-on) { transform: translateY(-16px); }
}

@media (max-width: 767px) {
  .tum .container, .tum .container-wide { width: min(100% - 40px, var(--w-wide)); }
  .tum .h-section { font-size: 26px; }
  .tum .h-sub, .tum .size-row h3 { font-size: 20px; }

  .tum .pdp-specs { gap: 18px 28px; }
  .tum .pdp-cta { width: 100%; justify-content: center; }

  .tum .variant-switch { gap: 0 16px; overflow-x: auto; }
  .tum .variant-configure { display: none; } /* la CTA resta nei blocchi */
  .tum .tech-switch-solo .variant-configure { display: inline-flex; } /* barra S = solo CTA: resta visibile */

  .tum .material-tiles { grid-template-columns: 1fr; }
  .tum .quality-list { grid-template-columns: 1fr; }
  .tum .guarantees { grid-template-columns: 1fr; gap: 0; }
  .tum .guarantees li { padding: 16px 0; }
  .tum .guarantees li:last-child { border-bottom: 1px solid var(--line); }
  .tum .size-row { grid-template-columns: 1fr; gap: 6px; }

  .tum .photo-band img { height: 52vh; }
  .tum .closing { min-height: 0; padding-block: 160px 56px; }

  .tum .footer-top { flex-direction: column; align-items: flex-start; gap: 20px; padding-block: 40px 0; }
  .tum .footer-menus { grid-template-columns: 1fr; gap: 32px; padding-block: 32px 48px; }
  .tum .news-form { flex-direction: column; align-items: stretch; }
  .tum .news-form input { flex: 0 0 auto; }
  .tum .footer-legal ul { flex-direction: column; gap: 12px; }
}

@media (max-width: 720px) {
  .tum .planos-details { grid-template-columns: 1fr; }
  .tum .planos-details .plano:first-child:nth-last-child(3) { grid-column: auto; }
  .tum .plano { --plate-pad: clamp(20px, 5vw, 36px); }
}

/* ------------------------------------------------------------
   §6 REDUCED-MOTION — fallback v14.1 approvato, INVARIATO:
   act1 collassa (~180vh, il viewer calcola la rotazione-scroll su
   #stage), captions/rail/pill spenti, reveal/stagger/settle/pulse
   neutralizzati. Il motion di §4 sotto no-preference non esiste
   proprio qui (count-up e parallax hanno i guard nel director).
   In coda al blocco: i runway devono vincere su §5 a pari cascata.
   ------------------------------------------------------------ */
@media (prefers-reduced-motion: reduce) {
  .tum .tum-act1 { height: min(180vh, 1650px); }
  .tum .scene-caption, .tum .progress-rail, .tum .drag-pill { display: none; }
  .tum .reveal,
  .tum .quality-list.reveal > li,
  .tum .guarantees.reveal > li { opacity: 1; transform: none; transition: none; }
  .tum .photo-zoom img { transform: none; transition: none; }
  .tum .viewer3d-loading { animation: none; }
}
@media (prefers-reduced-motion: reduce) and (max-width: 1024px) {
  .tum .tum-act1 { height: min(160vh, 1650px); }
}
@media (prefers-reduced-motion: reduce) and (max-width: 767px) {
  .tum .tum-act1 { height: min(145vh, 1650px); }
}

/* ===== EXPLORE (v26) — il modello grande sticky guida lo scroll ===== */
.tum .explore { position: relative; background: var(--paper); }
.tum .explore-inner { display: grid; grid-template-columns: minmax(0, 34%) minmax(0, 66%); align-items: start; }
.tum .explore-steps { padding: 0 clamp(20px, 2.5vw, 44px) 0 clamp(48px, 8vw, 150px); position: relative; z-index: 2; } /* v28: copy più verso destra (mockup) */
/* v30 — SFONDO DEL COPY: sfumatura carta che sborda oltre la colonna testo e
   maschera il taglio del modello sul bordo sinistro del canvas (feedback
   cliente: allo step 2 il modello si tagliava vicino al copy). */
.tum .explore-hero .explore-steps::after {
  /* v31.1 (cliente): sfumatura spostata più a SINISTRA — parte dentro la
     colonna testo e muore appena oltre il bordo: il modello resta più libero */
  content: ""; position: absolute; top: 0; bottom: 0; right: -5vw; width: 12vw;
  background: linear-gradient(90deg, var(--paper) 0%, rgba(246, 243, 236, .85) 35%, rgba(246, 243, 236, 0) 100%);
  pointer-events: none;
  z-index: 0; /* v41: sotto il testo degli step (vela solo il canvas) */
}
/* v41 (fix "copy dietro copy"): il contenuto degli step sta SOPRA la sfumatura
   — prima il velo semi-trasparente copriva la parte destra del testo (valori
   del ledger, fine riga) e sembrava esserci altro copy dietro. */
.tum .explore-hero .explore-step { position: relative; z-index: 1; }
/* v42 — hero a variante singola (S/XS): su DESKTOP più corsa di scroll, così
   lo sticky regge e si gode il ghost graduale delle pareti (explore.js).
   Su mobile valgono le regole mobili normali (e niente ghost). */
@media (min-width: 861px) {
  .tum .explore-hero.explore-solo .explore-step { min-height: 175vh; justify-content: flex-start; padding-top: 24vh; }
}
.tum .explore-lead { min-height: 78vh; display: flex; flex-direction: column; justify-content: flex-end; padding-bottom: clamp(24px, 6vh, 60px); }
.tum .explore-eyebrow { margin: 0 0 12px; font: 700 11px/1 var(--font-ui); letter-spacing: var(--track-caps); text-transform: uppercase; color: var(--ink-2); }
.tum .explore-h2 { margin: 0; font: 300 clamp(28px, 3.4vw, 44px)/1.12 var(--font-display); letter-spacing: -.02em; color: var(--ink); }
.tum .explore-sub { margin: 18px 0 0; max-width: 34ch; color: var(--ink-2); font-size: 16px; line-height: 1.6; }
/* HERO lead (v27): il modello è l'apertura, la lead è la hero a sinistra */
.tum .explore-hero .explore-lead { min-height: calc(100svh - var(--header-h)); padding-bottom: clamp(30px, 8vh, 80px); }
.tum .explore-h1 { margin: 6px 0 0; font: 300 clamp(30px, 3.9vw, 50px)/1.1 var(--font-display); letter-spacing: -.022em; color: var(--ink); text-wrap: balance; }
.tum .explore-specs { display: flex; flex-wrap: wrap; gap: 10px clamp(24px, 2.6vw, 42px); margin: clamp(20px, 3vh, 30px) 0 0; }
.tum .explore-specs > div { display: flex; flex-direction: column-reverse; gap: 3px; }
.tum .explore-specs dt { margin: 0; font: 700 10px/1 var(--font-ui); letter-spacing: var(--track-caps); text-transform: uppercase; color: var(--ink-2); }
.tum .explore-specs dd { margin: 0; font: 300 19px/1 var(--font-display); color: var(--ink); font-variant-numeric: tabular-nums; }
.tum .explore-cta { display: inline-flex; align-items: center; gap: 8px; margin-top: clamp(22px, 3vh, 30px); font: 700 14px/1 var(--font-ui); letter-spacing: .01em; color: var(--ink); text-decoration: none; border-bottom: 1px solid var(--ink); padding-bottom: 4px; transition: color .2s ease, border-color .2s ease; }
.tum .explore-cta svg { transition: transform .25s var(--ease-lux); }
.tum .explore-cta:hover { color: var(--accent); border-color: var(--accent); }
.tum .explore-cta:hover svg { transform: translateX(3px); }
.tum .explore-step { min-height: 98vh; display: flex; flex-direction: column; justify-content: center; opacity: .32; transition: opacity .45s var(--ease-lux); }
/* v36: ogni step della hero riempie ESATTAMENTE una schermata (ritmo di snap
   uniforme: niente step corti/lunghi che confondono il proximity). */
.tum .explore-hero .explore-step { min-height: calc(100svh - var(--header-h)); }
/* v28 (mockup): pill dei layout al CENTRO DELLO SCHERMO — lo stage parte a 34vw,
   quindi 16vw dal suo bordo = 50vw = centro viewport */
.tum .explore-hero .explore-nav { left: 16vw; }

/* v29 — MODELLO PIÙ GRANDE E PIÙ A DESTRA (mockup: "anche tagliato è più
   artistico"): il canvas si allarga 14vw OLTRE il bordo destro del viewport
   (il ResizeObserver del visore lo ridimensiona da solo) → il modello si
   sposta a destra e sborda, ritagliato dal clip della sezione. */
.tum .explore-hero { overflow-x: clip; } /* clip ≠ hidden: la sticky continua a funzionare */
.tum .explore-hero .explore-stage .viewer3d-stage { inset: 0 -14vw 0 0; width: auto; height: auto; } /* width:auto: altrimenti il width:100% della regola base annulla l'inset destro */

/* v29 — SCROLL A SCATTI (fullpage-like, CSS nativo — niente hijack JS):
   arrivi su uno step e si "locca"; scrolli e aggancia il successivo; le
   sezioni sotto agganciano al bordo alto. Le sezioni più alte del viewport
   restano scorribili al loro interno (spec scroll-snap). Solo sulle pagine
   con l'explore-hero. */
/* v36 (fix scroll-lock): PROXIMITY, non mandatory — ogni step si "assesta"
   dolcemente sotto l'header ma NON risucchia indietro quando esci dalla hero
   (mandatory + stop:always fanno il "non riesco a passare" / lo strappo). Align
   START uniforme + altezze uniformi = ritmo pulito, un capitolo per schermata.
   Sotto la hero nessuno snap: contenuto di lettura scorre libero. */
html:has(.tum .explore-hero) { scroll-snap-type: y proximity; scroll-padding-top: var(--header-h); }
.tum .explore-hero .explore-step { scroll-snap-align: start; }
.tum .explore-step.is-active { opacity: 1; }
.tum .step-code { margin: 0 0 6px; font: 700 12px/1 var(--font-ui); letter-spacing: var(--track-caps); text-transform: uppercase; color: var(--accent); }
.tum .step-name { margin: 0; font: 300 clamp(28px, 2.6vw, 38px)/1.12 var(--font-display); letter-spacing: -.005em; color: var(--ink); }
.tum .step-desc { margin: 14px 0 0; max-width: 40ch; color: var(--ink); font-size: 16px; line-height: 1.62; }
.tum .step-areas { margin: 22px 0 0; display: grid; border-top: 1px solid var(--line); max-width: 360px; }
.tum .step-areas > div { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; padding: 11px 0; border-bottom: 1px solid var(--line); }
.tum .step-areas dt { margin: 0; font: 400 15px/1 var(--font-ui); color: var(--ink-2); }
.tum .step-areas dd { margin: 0; font: 300 18px/1 var(--font-display); color: var(--ink); font-variant-numeric: tabular-nums; }
.tum .explore-stage { position: sticky; top: var(--header-h); height: calc(100svh - var(--header-h)); align-self: start; }
.tum .explore-stage .viewer3d-stage { position: absolute; inset: 0; width: 100%; height: 100%; }
/* v36 — selettore più elegante: indicatore che SCIVOLA (nessun divisore netto,
   nessun blocco pieno che stacca). CSS puro: la pillola sotto il pulsante
   attivo trasla via :has(). */
.tum .explore-nav { position: absolute; left: 50%; transform: translateX(-50%); bottom: clamp(18px, 4vh, 38px); z-index: 6; display: flex; gap: 3px; padding: 4px; pointer-events: auto; background: rgba(246,243,236,.72); -webkit-backdrop-filter: blur(11px); backdrop-filter: blur(11px); border: 1px solid var(--line); border-radius: 999px; box-shadow: 0 10px 30px rgba(29,29,27,.11); }
.tum .explore-nav .variant-btn { position: relative; z-index: 1; display: flex; align-items: baseline; gap: 7px; padding: 9px clamp(18px,1.7vw,26px); border: 0; border-radius: 999px; background: none; white-space: nowrap; cursor: pointer; transition: background-color .3s var(--ease-lux); }
.tum .explore-nav .variant-btn::after { display: none; }
.tum .explore-nav .variant-btn b { font: 700 13px/1 var(--font-ui); letter-spacing: .05em; color: var(--ink); transition: color .3s ease; }
.tum .explore-nav .variant-btn span { font: 400 12.5px/1 var(--font-ui); color: var(--ink-2); transition: color .3s ease; }
.tum .explore-nav .variant-btn:hover:not(.is-active) { background: rgba(193,90,40,.06); }
.tum .explore-nav .variant-btn.is-active { background: var(--accent); box-shadow: 0 2px 10px rgba(193,90,40,.28); }
.tum .explore-nav .variant-btn.is-active b, .tum .explore-nav .variant-btn.is-active span { color: #FDFBF7; }
.tum .explore-hint { position: absolute; right: clamp(16px,2vw,32px); bottom: clamp(18px,4vh,38px); margin: 0; font: 600 11px/1 var(--font-ui); letter-spacing: .14em; text-transform: uppercase; color: var(--ink-2); pointer-events: none; }
@media (max-width: 860px) {
  .tum .explore-inner { display: flex; flex-direction: column; }
  /* v38 MOBILE: lo stage è il blocco alto, A PIENA LARGHEZZA (il bug era
     width:0 → canvas schiacciato a un filo sul bordo sinistro).
     v38.1: NON sticky su mobile — da sticky il testo dello step, scorrendo,
     passava DIETRO al modello pinnato e si sovrapponevano. In flusso normale
     (relative) modello sopra, pannello sotto, zero sovrapposizioni. */
  .tum .explore-stage { order: -1; width: 100%; position: relative; top: auto; height: 42vh; }
  /* niente bleed -14vw su mobile: il modello sta TUTTO nel frame, centrato */
  .tum .explore-hero .explore-stage .viewer3d-stage { inset: 0; width: 100%; height: 100%; }
  .tum .explore-hero .explore-steps::after { display: none; } /* niente sfumatura-copy */
  .tum .explore-steps { order: 0; padding: 4vh 20px 2vh; }
  .tum .explore-lead { min-height: 0; padding: 5vh 0 3vh; }
  /* MOBILE: un solo pannello per volta (la pill è lo switch) — niente
     scroll-morph fragile; modello sopra, pannello attivo sotto. */
  .tum .explore-step,
  .tum .explore-hero .explore-step { min-height: auto; justify-content: flex-start; padding: 5vh 0 4vh; }
  .tum .explore-hero .explore-step:not(.is-active) { display: none; }
  .tum .explore-nav { bottom: 12px; left: 50%; }
  .tum .explore-hero .explore-nav { left: 50%; }
  .tum .explore-hint { display: none; }
}
/* POSE TOOL — riattivato (solo con #tune nell'URL): il cliente salva le pose
   dei modelli. Fisso in basso-sx, non intrusivo. */
.tum .pose-wrap { position: fixed; left: 14px; bottom: 14px; z-index: 300; display: flex; flex-direction: column; gap: 7px; align-items: flex-start; }
.tum .pose-tool { padding: 9px 14px; font: 700 11px/1 var(--font-ui); letter-spacing: .08em; text-transform: uppercase; color: var(--ink-2); background: rgba(255,255,255,.92); border: 1px solid var(--line); border-radius: 999px; cursor: pointer; box-shadow: 0 4px 16px rgba(29,29,27,.10); }
.tum .pose-tool:hover { color: var(--accent); border-color: var(--accent); }
.tum .pose-help { margin: 0; padding: 5px 10px; font: 600 10px/1.4 var(--font-ui); letter-spacing: .04em; color: var(--ink-2); background: rgba(255,255,255,.8); border-radius: 999px; }

/* ===== v35 — BEST PRACTICE LUXURY (team 3 esperti) ===== */
/* 2. niente hard-cut: pannelli varianti in crossfade + pill morbide */
@media (prefers-reduced-motion: no-preference) {
  .tum .dist-panel:not([hidden]) { animation: panelIn .3s var(--ease-lux); }
  @keyframes panelIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
  .tum .variant-btn { transition: background .25s var(--ease-lux), color .25s var(--ease-lux), border-color .25s var(--ease-lux); }
}
/* 3. il caricamento non si annuncia: il badge "Loading" sparisce nella hero
   (il poster è già la posa esatta; lo swap WebGL deve essere invisibile) */
.tum .explore .viewer3d-loading { display: none; }
@media (prefers-reduced-motion: no-preference) {
  .tum .explore canvas { animation: canvasIn .55s ease both; }
  @keyframes canvasIn { from { opacity: 0; } to { opacity: 1; } }
}
/* 5. numeri da strumento: tabular ovunque la pagina ne va fiera + label leggibili */
.tum .compare td, .tum .compare th { font-variant-numeric: tabular-nums lining-nums; }
.tum .step-areas dt { color: #6B665E; } /* ≥4.5:1 su carta (proiettori inclusi) */
/* 6. UN solo gesto-eyebrow: la firma dello step-code applicata ai capitoli */
.tum .sec-eyebrow { color: var(--accent); letter-spacing: var(--track-caps); }
/* 7. una sola grammatica di link: underline ink → terracotta in hover */
.tum .section-cta a, .tum .faq-links a, .tum .quality-cta a, .tum .compare-note a, .tum .dist-diff a {
  color: var(--ink); text-decoration: underline; text-underline-offset: 4px;
  text-decoration-thickness: 1px; transition: color .2s ease;
}
.tum .section-cta a:hover, .tum .faq-links a:hover, .tum .quality-cta a:hover, .tum .compare-note a:hover, .tum .dist-diff a:hover { color: var(--accent); }
.tum .explore-stage canvas { cursor: grab; }
.tum .explore-stage canvas:active { cursor: grabbing; }
/* 8a. entrata scaglionata (solo transform: la preview .32 resta) all'attivarsi dello step */
@media (prefers-reduced-motion: no-preference) {
  .tum .explore-hero .explore-step > * { transform: translateY(8px); transition: transform .4s var(--ease-lux); }
  .tum .explore-hero .explore-step.is-active > * { transform: none; }
  .tum .explore-hero .explore-step.is-active > *:nth-child(2) { transition-delay: .06s; }
  .tum .explore-hero .explore-step.is-active > *:nth-child(3) { transition-delay: .12s; }
  .tum .explore-hero .explore-step.is-active > *:nth-child(4) { transition-delay: .18s; }
  .tum .explore-hero .explore-step.is-active > *:nth-child(5) { transition-delay: .24s; }
}
/* 8b. link "Design TULxx" tessuto nello step (testo, non bottone) */
.tum .step-cta {
  display: inline-block; margin-top: 20px;
  font: 700 13px/1 var(--font-ui); letter-spacing: .02em;
  color: var(--accent); text-decoration: none;
  border-bottom: 1px solid currentColor; padding-bottom: 3px;
  transition: color .2s ease;
}
.tum .step-cta:hover { color: var(--accent-darker, #8C3A13); }
/* 10. didascalie di provenienza sulle foto (caps quiete, in basso a sinistra) */
.tum .photo-band { position: relative; }
.tum .photo-caption {
  position: absolute; left: clamp(16px, 3vw, 40px); bottom: clamp(14px, 2.5vh, 26px);
  margin: 0; font: 700 11px/1 var(--font-ui); letter-spacing: var(--track-caps); text-transform: uppercase;
  color: rgba(251, 247, 240, .92); text-shadow: 0 1px 12px rgba(18, 12, 8, .5);
}
/* ===== v36 — POST-HERO PIÙ ORDINATO (feedback cliente) ===== */
/* Intestazione piante: titolo a sinistra, selettore compatto a destra —
   niente più barra sticky ridondante. */
.tum .dist-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px clamp(24px, 4vw, 48px); flex-wrap: wrap; }
.tum .dist-head-text { min-width: 0; }
.tum .dist-head-text .sec-eyebrow { display: block; margin-bottom: 10px; }
.tum .dist-head-text .h-section { margin: 0; }
/* selettore compatto elegante (indicatore che scivola, come la hero) */
.tum .plans-switch { position: relative; display: inline-flex; gap: 3px; padding: 4px; background: rgba(29,29,27,.04); border: 1px solid var(--line); border-radius: 999px; }
.tum .pswitch-btn { position: relative; z-index: 1; display: flex; align-items: baseline; gap: 7px; padding: 8px clamp(16px,1.5vw,22px); border: 0; border-radius: 999px; background: none; white-space: nowrap; cursor: pointer; transition: background-color .3s var(--ease-lux); }
.tum .pswitch-btn b { font: 700 13px/1 var(--font-ui); letter-spacing: .05em; color: var(--ink); transition: color .3s ease; }
.tum .pswitch-btn span { font: 400 12.5px/1 var(--font-ui); color: var(--ink-2); transition: color .3s ease; }
.tum .pswitch-btn:hover:not(.is-active) { background: rgba(193,90,40,.06); }
.tum .pswitch-btn.is-active { background: var(--accent); box-shadow: 0 2px 10px rgba(193,90,40,.24); }
.tum .pswitch-btn.is-active b, .tum .pswitch-btn.is-active span { color: #FDFBF7; }
/* la differenza fra i due layout in una riga onesta (al posto della tabella
   quasi tutta identica) */
.tum .dist-diff { margin: clamp(40px, 6vw, 66px) 0 0; max-width: 64ch; color: var(--ink-2); font-size: 16px; line-height: 1.72; }
.tum .dist-diff b { color: var(--ink); font-weight: 700; }
@media (max-width: 640px) {
  .tum .dist-head { align-items: flex-start; }
  .tum .plans-switch { align-self: flex-start; }
}
/* ===== v36 — FINE ===== */

/* ============================================================
   v37 — POST-HERO RIDISEGNATO (team 3 designer + lead)
   "il disegno diventa la casa": linea → pianta → materiali
   nominati → casa reale → contratto → Personalizador. Momenti a
   peso disuguale, non blocchi uguali. Solo fatti dalle fonti.
   ============================================================ */

/* [1] PIANTE — intro con la differenza (una volta sola) + due colonne:
   ledger delle misure a sinistra, disegno quotato a destra. */
.tum .dist-intro { margin: clamp(20px,3vw,30px) 0 clamp(34px,5vw,50px); max-width: 70ch; font-size: 16px; line-height: 1.72; color: var(--ink-2); }
.tum .dist-intro b { color: var(--ink); font-weight: 700; }
.tum .plan-grid { display: grid; grid-template-columns: minmax(0, 240px) minmax(0, 1fr); gap: clamp(28px, 4vw, 60px); align-items: start; }
.tum .plan-figures { margin: 0 0 26px; display: grid; border-top: 1px solid var(--line); }
.tum .plan-figures > div { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.tum .plan-figures dt { margin: 0; font: 400 15px/1 var(--font-ui); color: #6B665E; }
.tum .plan-figures dd { margin: 0; font: 300 20px/1 var(--font-display); color: var(--ink); font-variant-numeric: tabular-nums; }
.tum .quiet-link { display: inline-flex; align-items: center; gap: 8px; font: 700 14px/1 var(--font-ui); color: var(--ink); text-decoration: none; border-bottom: 1px solid var(--ink); padding-bottom: 4px; transition: color .2s ease, border-color .2s ease; }
.tum .quiet-link span { transition: transform .25s var(--ease-lux); }
.tum .quiet-link:hover { color: var(--accent); border-color: var(--accent); }
.tum .quiet-link:hover span { transform: translateX(3px); }
.tum .plan-figure { margin: 0; }
.tum .plan-figure img { display: block; width: 100%; height: auto; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.tum .plan-figure figcaption { margin-top: 12px; font: 700 11px/1 var(--font-ui); letter-spacing: var(--track-caps); text-transform: uppercase; color: var(--ink-2); }

/* [2] MATERIALI — provenienza (makers nominati) al posto della lista-12.
   Banda scura, tipografia Merriweather generosa + indice subordinato. */
.tum .provenance { margin: clamp(34px,5vw,54px) 0 0; }
.tum .prov-row { display: grid; grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.55fr); gap: 10px clamp(28px,4vw,64px); align-items: baseline; padding: clamp(20px,2.4vw,30px) 0; border-top: 1px solid var(--d-line); }
.tum .prov-row:last-of-type { border-bottom: 1px solid var(--d-line); }
.tum .provenance dt { margin: 0; font: 300 clamp(21px,2vw,28px)/1.15 var(--font-display); color: #fff; letter-spacing: -.01em; }
.tum .provenance dd { margin: 0; font: 400 15px/1.62 var(--font-ui); color: var(--d-mut); }
.tum .provenance dd em { font-style: italic; color: #fff; }
.tum .prov-fig { font-variant-numeric: tabular-nums; color: #fff; white-space: nowrap; }
.tum .spec-index { margin: clamp(30px,4vw,44px) 0 0; padding: 0; list-style: none; display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 16px clamp(28px,4vw,56px); }
.tum .spec-index li { font: 400 14px/1.5 var(--font-ui); color: var(--d-mut); }
.tum .spec-index b { display: block; font: 700 12px/1.4 var(--font-ui); color: #fff; letter-spacing: .02em; margin-bottom: 3px; }
.tum .sec-dark .quality-cta { grid-column: auto; margin-top: clamp(30px,4vw,44px); }

/* [3] FOTO — quasi full-bleed, esce dalla banda scura; didascalia museo sotto. */
.tum .sec-builds { background: var(--paper); }
.tum .photo-plate { margin: 0; overflow: hidden; }
.tum .photo-plate img { display: block; width: 100%; height: min(80vh, 780px); object-fit: cover; object-position: 50% 42%; }
.tum .photo-foot { display: flex; align-items: baseline; justify-content: space-between; gap: 14px 40px; flex-wrap: wrap; padding-block: clamp(18px,2.4vw,28px) clamp(56px,8vw,104px); }
.tum .photo-plate-cap { margin: 0; font: 700 11px/1.5 var(--font-ui); letter-spacing: var(--track-caps); text-transform: uppercase; color: var(--ink-2); }
.tum .photo-foot .section-cta { margin: 0; }

/* [3b] PROGETTI FINITI — piccola sezione (niente foto): titolo + link galleria. */
.tum .sec-gallery { background: var(--paper); border-top: 1px solid var(--line); }
.tum .gallery-row { display: flex; align-items: center; justify-content: space-between; gap: 16px clamp(28px,4vw,56px); flex-wrap: wrap; }
.tum .gallery-text .sec-eyebrow { display: block; margin-bottom: 8px; }
.tum .gallery-text .h-sub { margin: 0; }

/* [4] GARANZIE — ledger di certezze; le cifre (120/250) portano la composizione. */
.tum .ledger { margin: clamp(30px,4vw,46px) 0 0; }
.tum .ledger-row { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.55fr); gap: 8px clamp(28px,4vw,64px); align-items: baseline; padding: clamp(20px,2.3vw,28px) 0; border-top: 1px solid var(--line); }
.tum .ledger-row:last-of-type { border-bottom: 1px solid var(--line); }
.tum .ledger dt { margin: 0; font: 300 clamp(20px,1.8vw,24px)/1.15 var(--font-display); color: var(--ink); }
.tum .ledger dd { margin: 0; font: 400 15px/1.62 var(--font-ui); color: var(--ink-2); }
.tum .ledger .fig { font: 300 clamp(38px,5vw,58px)/.85 var(--font-display); color: var(--ink); font-variant-numeric: tabular-nums; letter-spacing: -.02em; }
.tum .ledger-lead dt { font-size: clamp(24px,2.4vw,32px); }
.tum .ledger-lead dd { color: var(--ink); }
.tum .ledger-note { margin: clamp(26px,3.4vw,40px) 0 0; max-width: 62ch; font-size: 15px; line-height: 1.7; color: var(--ink-2); }
.tum .sec-bone .section-cta { margin-top: clamp(22px,3vw,32px); }

/* [6] ALTRE TAGLIE — indice tipografico su carta; L marcata attiva. */
.tum .size-scale { list-style: none; margin: clamp(26px,4vw,42px) 0 clamp(22px,3vw,32px); padding: 0; }
.tum .size-line { display: grid; grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.4fr); gap: 6px clamp(28px,4vw,56px); align-items: baseline; padding: clamp(15px,1.8vw,22px) 0; border-top: 1px solid var(--line); }
.tum .size-line:last-child { border-bottom: 1px solid var(--line); }
.tum .size-line > a, .tum .size-line .size-head { display: inline-flex; align-items: baseline; gap: 14px; text-decoration: none; }
.tum .size-name { font: 300 clamp(23px,2.3vw,30px)/1 var(--font-display); color: var(--ink); transition: color .2s ease; }
.tum .size-dim { font: 600 13px/1 var(--font-ui); color: var(--ink-2); font-variant-numeric: tabular-nums; white-space: nowrap; }
.tum .size-line > a:hover .size-name { color: var(--accent); }
.tum .size-note { margin: 0; font: 400 14.5px/1.55 var(--font-ui); color: var(--ink-2); }
.tum .size-line.is-current .size-name { color: var(--accent); }
.tum .size-mark { font: 700 11px/1 var(--font-ui); letter-spacing: var(--track-caps); text-transform: uppercase; color: var(--accent); margin-right: 6px; }

/* stagger dolce sulle righe di provenienza */
@media (prefers-reduced-motion: no-preference) {
  .tum .provenance.reveal > .prov-row { opacity: 0; transform: translateY(12px); transition: opacity .6s var(--ease-lux), transform .6s var(--ease-lux); }
  .tum .provenance.reveal.is-in > .prov-row { opacity: 1; transform: none; }
  .tum .provenance.reveal > .prov-row:nth-child(2) { transition-delay: .07s; }
  .tum .provenance.reveal > .prov-row:nth-child(3) { transition-delay: .14s; }
  .tum .provenance.reveal > .prov-row:nth-child(4) { transition-delay: .21s; }
  .tum .provenance.reveal > .prov-row:nth-child(5) { transition-delay: .28s; }
}

@media (max-width: 767px) {
  .tum .plan-grid { grid-template-columns: 1fr; }
  .tum .prov-row { grid-template-columns: 1fr; gap: 6px; }
  .tum .spec-index { grid-template-columns: 1fr; }
  .tum .ledger-row { grid-template-columns: 1fr; gap: 4px; }
  .tum .size-line { grid-template-columns: 1fr; gap: 4px; }
  .tum .photo-plate img { height: 56vh; }
}
/* ===== v37 — FINE ===== */
/* ===== v35 — FINE ===== */
/* ===== EXPLORE — FINE ===== */

/* ===== TU M — FINE ===== */


/* ============================================================
   CATALOGO v41 (team) — la pagina-famiglia nel registro approvato.
   Zero vocabolario nuovo: apertura come le pagine modello (testo sx,
   line-art che sborda a dx), capitoli in scala onesta su linea di
   terra comune, poi la spina del registro (dark → gallery → bone →
   indice → chiusura fotografica). Una foto, un bottone, un terracotta.
   ============================================================ */

/* COVER del catalogo — titolo MOLTO piccolo (v45 cliente), Merriweather quieto */
.tum .tum-cover .tum-cover-title { font: 300 clamp(17px, 1.7vw, 24px)/1.3 var(--font-display); letter-spacing: .01em; white-space: nowrap; margin: 0; max-width: none; text-wrap: initial; }
.tum .tum-cover .tum-cover-eyebrow { margin: 0 0 8px; }

/* HEADER TRASPARENTE sull'hero del catalogo (v43/v44 cliente): NIENTE bianco
   di sfondo, mai — logo e menu restano, in bianco. Selettore rafforzato
   (.site-header.header-clear) così vince su ogni stato (is-scrolled incluso). */
.tum .site-header.header-clear { position: fixed; top: 0; left: 0; right: 0; z-index: 60; background: transparent !important; border-bottom: 1px solid transparent !important; box-shadow: none !important; -webkit-backdrop-filter: none; backdrop-filter: none; transition: background-color .35s ease, border-color .35s ease; }
/* v48 (audit): oltre la cover l'header TORNA (fixed) in versione solida carta —
   prima era absolute e spariva per tutta la pagina */
.tum .site-header.header-clear.is-past-cover { background: var(--surface) !important; border-bottom-color: var(--line) !important; }
.tum .site-header.header-clear.is-past-cover .nav-links a, .tum .site-header.header-clear.is-past-cover .lang-link { color: var(--ink); }
.tum .site-header.header-clear.is-past-cover .brand img { filter: none; }
.tum .site-header.header-clear.is-past-cover .menu-toggle svg path { stroke: #1D1D1B; }
.tum .site-header.header-clear .nav-links a, .tum .site-header.header-clear .lang-link { transition: color .35s ease; }
.tum .site-header.header-clear .brand img { transition: filter .35s ease; }
.tum .site-header.header-clear .nav-links a, .tum .site-header.header-clear .lang-link { color: #FDFBF7; }
.tum .site-header.header-clear .nav-links a:hover, .tum .site-header.header-clear .lang-link:hover { color: #fff; }
.tum .site-header.header-clear .brand img { filter: brightness(0) invert(1); }
.tum .site-header.header-clear .menu-toggle svg path { stroke: #FDFBF7; }
/* menu mobile aperto: il pannello è bianco → link di nuovo in ink */
.tum .site-header.header-clear .nav-links.is-open { background: var(--paper); }
.tum .site-header.header-clear .nav-links.is-open a { color: var(--ink); }
.tum .header-clear + main .tum-cover { height: 100svh; }

/* CAPITOLI — un modello per schermata, disegni in scala relativa onesta
   (--axo) ancorati in basso: lo scroll è il confronto di taglia */
.tum .chapters { overflow-x: clip; background: var(--paper); }
/* v46 (cliente): capitolo = GRUPPO CENTRATO sull'asse di mezzo, ma dentro il
   gruppo TESTO A SINISTRA e DISEGNO A DESTRA. Scala onesta preservata
   (width = var(--axo) sulla colonna disegno). */
/* v47: centro VISIVO esatto — la colonna disegno è larga quanto il disegno
   (var(--axo) su base clamp), così justify-center centra il gruppo REALE:
   niente vuoti fantasma a destra dei modelli piccoli. */
/* v50 (cliente): separazione COERENTE col registro — bande alternate
   carta/osso a tutta larghezza (il linguaggio delle sezioni del sito),
   niente hairline debole: ogni modello ha la sua stanza. Il gruppo
   testo+disegno resta centrato e a larghezza costante (v49). */
.tum .chapter { display: flex; justify-content: center; align-items: center; gap: clamp(28px, 4vw, 64px); text-align: left; min-height: 0; padding: clamp(48px, 7vh, 76px) 20px; }
.tum .chapter:nth-of-type(even) { background: var(--band); }
.tum .chap-text { flex: 0 0 400px; max-width: 420px; padding: 0; }
.tum .chap-num { margin: 0 0 10px; font: 600 12px/1 var(--font-ui); letter-spacing: .08em; color: var(--ink-2); font-variant-numeric: tabular-nums; }
.tum .chap-eyebrow { margin: 0 0 8px; font: 700 12px/1.5 var(--font-ui); letter-spacing: var(--track-caps); text-transform: uppercase; color: var(--accent); }
.tum .chap-name { margin: 0; font: 300 clamp(28px, 2.9vw, 40px)/1.05 var(--font-display); color: var(--ink); }
.tum .chap-desc { margin: 14px 0 0; max-width: 42ch; color: var(--ink); font-size: 16px; line-height: 1.62; }
.tum .chap-ledger { margin: 22px 0 0; border-top: 1px solid var(--line); max-width: 420px; text-align: left; }
.tum .chap-ledger > div { display: grid; grid-template-columns: 78px minmax(0, 1fr); gap: 12px; align-items: baseline; padding: 11px 0; border-bottom: 1px solid var(--line); }
.tum .chap-ledger dt { margin: 0; font: 700 13px/1.5 var(--font-ui); letter-spacing: .02em; color: var(--ink); }
.tum .chap-ledger dd { margin: 0; font: 400 14.5px/1.55 var(--font-ui); color: var(--ink-2); }
.tum .chap-text .quiet-link { margin-top: 22px; }
/* v49 (cliente): SEZIONI LARGHE UGUALI — la colonna disegno è larga come la
   più grande (la L) per TUTTI i capitoli; i disegni, in scala onesta, sono
   ancorati al bordo destro. Risultato: attacco testo e bordo esterno sempre
   sugli stessi assi, gruppo centrato, larghezza costante. */
.tum .chap-stage { display: flex; align-items: center; justify-content: flex-end; flex: 0 0 auto; width: min(calc(1.05 * clamp(340px, 38vw, 560px)), calc(42vh * 1.55 * 1.05)); padding: 0; }
.tum .chap-axo { display: block; width: min(calc(var(--axo, 1) * clamp(340px, 38vw, 560px)), calc(42vh * 1.55 * var(--axo, 1))); max-width: 100%; max-height: 42vh; object-fit: contain; object-position: right center; margin: 0; mix-blend-mode: multiply; }
.tum .chap-note { margin: 0 auto; max-width: 62ch; text-align: center; padding: 0 20px clamp(36px, 5vh, 56px); font-size: 13px; color: var(--ink-2); }

@media (max-width: 860px) {
  /* v46 mobile: capitolo in colonna — testo (sinistra) poi disegno centrato,
     scala onesta mantenuta; niente altezze forzate, respiro compatto */
  .tum .chapter { flex-direction: column; align-items: stretch; gap: 0; padding: 30px 20px 26px; }
  .tum .chap-text { flex: none; width: 100%; max-width: none; padding: 0; }
  .tum .chap-stage { width: auto; align-self: center; padding: 18px 0 0; }
  .tum .chap-axo { margin: 0 auto; width: calc(var(--axo, 1) * min(88vw, 330px)); max-height: 34vh; }
  .tum .chap-note { padding: 0 20px 30px; }
  /* cover mobile: titolo piccolo ben ancorato in basso a sinistra */
  .tum .tum-cover .tum-cover-title { font-size: 17px; }
  .tum .tum-cover-inner { padding-bottom: 28px; }
  /* touch target ≥44px sui link testuali (Explore / Open the gallery / ecc.) */
  .tum .quiet-link, .tum .step-cta { padding-top: 14px; padding-bottom: 14px; }
  .tum .size-line > a { padding-top: 10px; padding-bottom: 10px; }
}
/* ===== CATALOGO v41 — FINE ===== */