/* ────────────────────────────────────────────────────────────
   demo-v2.css — Sprint Demo v2 Terra Mia (2026-05-13)
   Palette dark editoriale (Soho House + Linear inspired).
   Mobile-first. Vanilla CSS, niente Tailwind CDN.
   Tipografia: Fraunces (serif display) + Manrope (sans body).
   ──────────────────────────────────────────────────────────── */

:root {
  /* ── Crema legacy (per asset SVG che vivono come oggetti illustrati su dark) ── */
  --tm-cream: #fff9ee;
  --tm-cream-2: #f5efe1;
  --tm-cream-3: #ede5d0;

  /* ── Sfondi warm dark ── */
  --tm-bg: #14110e;          /* sfondo principale: nero caldo */
  --tm-bg-soft: #1d1814;     /* sezioni alternate, card */
  --tm-bg-elev: #2a2219;     /* elementi elevati, hover state */

  /* ── Testi avorio ── */
  --tm-ink: #f5efe1;         /* testo principale */
  --tm-ink-2: #ddd4bf;       /* testo secondario */
  --tm-muted: #8a8174;       /* testo muto / caption */

  /* ── Accent ── */
  --tm-teal: #4a8a8a;        /* teal schiarito leggibile su dark */
  --tm-teal-2: #5fa49f;
  --tm-gold: #d89a5a;        /* oro polveroso warm */
  --tm-gold-soft: #e9d39b;
  --tm-terracotta: #c46a47;  /* accent terre scure */

  /* ── Linee divider su scuro ── */
  --tm-line: rgba(245, 239, 225, 0.12);
  --tm-line-strong: rgba(245, 239, 225, 0.2);

  --tm-radius: 12px;
  --tm-radius-sm: 6px;
  --tm-shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.3);
  --tm-shadow-hard: 0 30px 80px rgba(0, 0, 0, 0.45);

  --tm-font-serif: "Fraunces", "Cormorant Garamond", Georgia, "Times New Roman", serif;
  --tm-font-sans: "Plus Jakarta Sans", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  --tm-shell-max: 1240px;
  --tm-shell-pad: clamp(1.2rem, 3vw, 2rem);
}

/* ─── Reset minimo ─────────────────────────────────────────── */
.tm-atto1 *, .tm-atto1 *::before, .tm-atto1 *::after,
.tm-compare *, .tm-compare *::before, .tm-compare *::after,
.tm-atto3 *, .tm-atto3 *::before, .tm-atto3 *::after {
  box-sizing: border-box;
}
.tm-atto1 img, .tm-compare img, .tm-atto3 img {
  display: block;
  max-width: 100%;
  height: auto;
}

/* ════════════════════════════════════════════════════════════
   ATTO 1 — Before/After slider
   ════════════════════════════════════════════════════════════ */
.tm-atto1 {
  background: var(--tm-bg);
  padding: clamp(3rem, 7vw, 6rem) 0;
  font-family: var(--tm-font-sans);
  color: var(--tm-ink);
  line-height: 1.55;
  position: relative;
}
.tm-atto1::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 1px;
  background: var(--tm-line);
}
.tm-atto1__shell {
  width: min(100%, var(--tm-shell-max));
  margin: 0 auto;
  padding: 0 var(--tm-shell-pad);
}

.tm-atto1__head {
  text-align: left;
  max-width: 760px;
  margin-bottom: clamp(2rem, 4vw, 3rem);
}
.tm-atto1__kicker {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--tm-gold);
  margin: 0 0 0.7rem 0;
}
.tm-atto1__title {
  font-family: var(--tm-font-serif);
  font-weight: 400;
  font-size: clamp(1.9rem, 4.6vw, 3.2rem);
  line-height: 1.06;
  letter-spacing: -0.018em;
  margin: 0 0 0.8rem 0;
  color: var(--tm-ink);
}
.tm-atto1__lede {
  font-size: clamp(1rem, 1.4vw, 1.15rem);
  color: var(--tm-ink-2);
  margin: 0;
  max-width: 60ch;
  line-height: 1.6;
}

/* ─── Vertical chips ─────────────────────────────────────── */
.tm-atto1__verticals {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin: 1.8rem 0 1.4rem;
}
.tm-atto1__chip {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  border: 1px solid var(--tm-line);
  background: var(--tm-bg-soft);
  color: var(--tm-ink-2);
  padding: 0.55rem 1rem 0.55rem 0.75rem;
  border-radius: 999px;
  font: 600 0.82rem/1 var(--tm-font-sans);
  cursor: pointer;
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}
.tm-atto1__chip:hover,
.tm-atto1__chip:focus-visible {
  border-color: var(--tm-gold);
  color: var(--tm-ink);
  outline: none;
}
.tm-atto1__chip.is-active {
  background: var(--tm-gold);
  color: var(--tm-bg);
  border-color: var(--tm-gold);
}
.tm-atto1__chip-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  color: var(--tm-gold);
  transition: color 0.18s ease;
  pointer-events: none;
}
.tm-atto1__chip-icon svg {
  width: 100%;
  height: 100%;
  display: block;
  pointer-events: none;
}
.tm-atto1__chip-label { pointer-events: none; }
.tm-atto1__chip.is-active .tm-atto1__chip-icon { color: var(--tm-bg); }

/* ─── SR-only live region ────────────────────────────────── */
.tm-atto1__sr-live {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0);
  white-space: nowrap; border: 0;
}

/* ─── Caption row ────────────────────────────────────────── */
.tm-atto1__caption-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 0.55rem;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.tm-atto1__caption--before { color: var(--tm-muted); }
.tm-atto1__caption--after  { color: var(--tm-gold); }

/* ─── Stage / frame ──────────────────────────────────────── */
.tm-atto1__stage { position: relative; }
.tm-atto1__stage:focus-visible {
  outline: 2px solid var(--tm-gold);
  outline-offset: 4px;
  border-radius: var(--tm-radius);
}
.tm-atto1__frame {
  position: relative;
  width: 100%;
  aspect-ratio: 3 / 4;
  border-radius: var(--tm-radius);
  overflow: hidden;
  cursor: ew-resize;
  touch-action: none;
  background: var(--tm-bg-elev);
  box-shadow: var(--tm-shadow-hard), 0 0 0 1px var(--tm-line);
  user-select: none;
}
.tm-atto1__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
}
.tm-atto1__clip {
  position: absolute;
  inset: 0;
  width: 50%;
  overflow: hidden;
  will-change: width;
}
.tm-atto1__clip .tm-atto1__img {
  width: calc(var(--tm-atto1-frame-w, 100%) * 1);
  max-width: none;
}

/* Range invisibile per a11y + fallback no-JS.
   pointer-events:none → il drag passa al JS sullo stage, no fight col native input
   che altrimenti steal-capture e snap-back a 50% al rilascio.
   Resta focusabile via Tab + arrow keys per keyboard a11y. */
.tm-atto1__range {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
  background: transparent;
  appearance: none;
  -webkit-appearance: none;
  opacity: 0;
  z-index: 5;
  pointer-events: none;
}
.tm-atto1__range::-webkit-slider-thumb {
  appearance: none;
  -webkit-appearance: none;
  width: 60px; height: 100%;
  cursor: ew-resize;
}
.tm-atto1__range::-moz-range-thumb {
  width: 60px; height: 100%;
  cursor: ew-resize;
  border: none;
}

/* Handle */
.tm-atto1__handle {
  position: absolute;
  top: 0; bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 44px;
  pointer-events: none;
  z-index: 4;
  transition: filter 0.2s ease;
}
.tm-atto1__handle-line {
  position: absolute;
  top: 0; bottom: 0;
  left: 50%;
  width: 2px;
  background: var(--tm-cream);
  box-shadow: 0 0 0 1px rgba(0,0,0,0.4);
  transform: translateX(-50%);
}
.tm-atto1__handle-grip {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 44px; height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: var(--tm-cream);
  color: var(--tm-bg);
  box-shadow: 0 4px 14px rgba(0,0,0,0.4);
}
.tm-atto1__stage.is-dragging .tm-atto1__handle {
  filter: drop-shadow(0 4px 14px rgba(216, 154, 90, 0.6));
}
.tm-atto1__stage.is-dragging .tm-atto1__handle-grip {
  background: var(--tm-gold);
  color: var(--tm-bg);
}

.tm-atto1__hint {
  font-size: 0.85rem;
  color: var(--tm-muted);
  margin: 0.9rem 0 0;
  text-align: center;
}

/* ─── KPI strip ──────────────────────────────────────────── */
.tm-atto1__kpis {
  list-style: none;
  margin: clamp(1.8rem, 4vw, 2.8rem) 0 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.8rem;
  background: var(--tm-bg-soft);
  color: var(--tm-ink);
  border-radius: var(--tm-radius);
  padding: 1.4rem;
  border: 1px solid var(--tm-line);
}
.tm-atto1__kpi {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}
.tm-atto1__kpi strong {
  font-family: var(--tm-font-serif);
  font-weight: 400;
  font-size: 1.9rem;
  color: var(--tm-gold);
  line-height: 1.05;
  letter-spacing: -0.01em;
}
.tm-atto1__kpi span {
  font-size: 0.78rem;
  color: var(--tm-ink-2);
  letter-spacing: 0.04em;
}

.tm-atto1__footnote {
  margin: 1.4rem 0 0;
  font-size: 0.78rem;
  color: var(--tm-muted);
  max-width: 70ch;
  line-height: 1.55;
}

@media (min-width: 720px) {
  .tm-atto1__kpis {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.4rem;
    padding: 1.7rem 2rem;
  }
  .tm-atto1__kpi strong { font-size: 2.1rem; }
  .tm-atto1__kpi span { font-size: 0.82rem; }
}

/* ─── CJK + reduced motion ──────────────────────────────── */
:lang(ja) .tm-atto1, :lang(zh) .tm-atto1 { line-height: 1.7; }
:lang(ja) .tm-atto1__title, :lang(zh) .tm-atto1__title { letter-spacing: 0; }
:lang(ja) .tm-atto1__kicker, :lang(zh) .tm-atto1__kicker { letter-spacing: 0.08em; }

@media (prefers-reduced-motion: reduce) {
  .tm-atto1__clip, .tm-atto1__handle, .tm-atto1__chip,
  .tm-atto3__card, .tm-atto3__thumb img, [data-reveal] {
    transition: none !important;
  }
}

/* ════════════════════════════════════════════════════════════
   COMPARISON TABLE — "Tre modi per fare un sito"
   ════════════════════════════════════════════════════════════ */
.tm-compare {
  background: var(--tm-bg-soft);
  color: var(--tm-ink);
  padding: clamp(3rem, 7vw, 6rem) 0;
  font-family: var(--tm-font-sans);
  position: relative;
}
.tm-compare::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 1px;
  background: var(--tm-line);
}
.tm-compare__shell {
  width: min(100%, var(--tm-shell-max));
  margin: 0 auto;
  padding: 0 var(--tm-shell-pad);
}
.tm-compare__head {
  max-width: 760px;
  margin-bottom: clamp(2rem, 4vw, 3rem);
}
.tm-compare__kicker {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--tm-gold);
  margin: 0 0 0.7rem;
}
.tm-compare__title {
  font-family: var(--tm-font-serif);
  font-weight: 400;
  font-size: clamp(1.9rem, 4.6vw, 3.2rem);
  line-height: 1.06;
  letter-spacing: -0.018em;
  margin: 0 0 0.8rem;
  color: var(--tm-ink);
}
.tm-compare__lede {
  font-size: clamp(1rem, 1.4vw, 1.15rem);
  color: var(--tm-ink-2);
  margin: 0;
  max-width: 60ch;
  line-height: 1.6;
}

.tm-compare__caption-sr {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0);
  white-space: nowrap; border: 0;
}

.tm-compare__table-wrap { margin-top: 1.5rem; }
.tm-compare__table {
  width: 100%;
  border-collapse: collapse;
}
.tm-compare__th,
.tm-compare__th-row,
.tm-compare__table td {
  text-align: left;
  vertical-align: top;
  padding: 1rem;
  font-size: 0.92rem;
  line-height: 1.55;
}
.tm-compare__th {
  font-family: var(--tm-font-sans);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--tm-muted);
  border-bottom: 1px solid var(--tm-line);
}
.tm-compare__th--terra { color: var(--tm-gold); }
.tm-compare__th-row {
  font-weight: 600;
  color: var(--tm-ink);
  background: rgba(245,239,225,0.03);
}
.tm-compare__table td {
  color: var(--tm-ink-2);
  border-bottom: 1px solid var(--tm-line);
}
.tm-compare__td--terra {
  color: var(--tm-ink);
  font-weight: 500;
  background: rgba(216,154,90,0.07);
  border-left: 2px solid var(--tm-gold);
}

/* Mobile: trasforma tabella in cards verticali stacked (review consenso AI 2026-05-13).
   La tabella scrollabile orizzontalmente era P0 fix obbligatorio. */
@media (max-width: 720px) {
  .tm-compare__table,
  .tm-compare__table thead,
  .tm-compare__table tbody,
  .tm-compare__table tr,
  .tm-compare__table th,
  .tm-compare__table td {
    display: block;
    width: 100%;
  }
  .tm-compare__table thead {
    /* Nascondi header riga colonne — useremo label per ogni cella */
    position: absolute;
    width: 1px; height: 1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
  }
  .tm-compare__table tr {
    margin-bottom: 1.6rem;
    border: 1px solid var(--tm-line);
    border-radius: var(--tm-radius);
    overflow: hidden;
    background: var(--tm-bg);
  }
  .tm-compare__th-row {
    font-family: var(--tm-font-serif);
    font-weight: 400;
    font-size: 1.1rem;
    color: var(--tm-gold);
    background: var(--tm-bg-elev);
    border-bottom: 1px solid var(--tm-line);
    padding: 0.85rem 1rem;
    letter-spacing: 0;
    text-transform: none;
  }
  .tm-compare__table td {
    position: relative;
    padding: 0.75rem 1rem 0.75rem 9.5rem;
    border-bottom: 1px solid var(--tm-line);
    min-height: 2.5rem;
    color: var(--tm-ink-2);
    font-size: 0.88rem;
  }
  .tm-compare__table td:last-child { border-bottom: 0; }
  /* Etichetta colonna come prefisso pseudo */
  .tm-compare__table td::before {
    content: attr(data-col);
    position: absolute;
    left: 1rem;
    top: 0.75rem;
    width: 8rem;
    font-size: 0.66rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--tm-muted);
    line-height: 1.5;
  }
  .tm-compare__td--terra {
    background: rgba(216,154,90,0.08);
    border-left: 3px solid var(--tm-gold);
  }
  .tm-compare__td--terra::before { color: var(--tm-gold); }
}

.tm-compare__footnote {
  margin: 1.4rem 0 0;
  font-size: 0.78rem;
  color: var(--tm-muted);
  max-width: 70ch;
  line-height: 1.55;
}
.tm-compare__footnote strong { color: var(--tm-ink); }

/* ════════════════════════════════════════════════════════════
   ATTO 3 — Showroom verticali + Lightbox
   ════════════════════════════════════════════════════════════ */
.tm-atto3 {
  background: var(--tm-bg);
  padding: clamp(3rem, 7vw, 6rem) 0;
  font-family: var(--tm-font-sans);
  color: var(--tm-ink);
  position: relative;
}
.tm-atto3::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 1px;
  background: var(--tm-line);
}
.tm-atto3__shell {
  width: min(100%, var(--tm-shell-max));
  margin: 0 auto;
  padding: 0 var(--tm-shell-pad);
}
.tm-atto3__head {
  max-width: 760px;
  margin-bottom: clamp(2rem, 4vw, 3rem);
}
.tm-atto3__kicker {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--tm-gold);
  margin: 0 0 0.7rem;
}
.tm-atto3__title {
  font-family: var(--tm-font-serif);
  font-weight: 400;
  font-size: clamp(1.9rem, 4.6vw, 3.2rem);
  line-height: 1.06;
  letter-spacing: -0.018em;
  margin: 0 0 0.8rem;
  color: var(--tm-ink);
}
.tm-atto3__lede {
  font-size: clamp(1rem, 1.4vw, 1.15rem);
  color: var(--tm-ink-2);
  margin: 0;
  max-width: 60ch;
  line-height: 1.6;
}

.tm-atto3__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.6rem;
  margin: clamp(1.8rem, 4vw, 2.8rem) 0 0;
}
@media (min-width: 900px) {
  .tm-atto3__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
  }
}

.tm-atto3__card {
  background: var(--tm-bg-soft);
  border: 1px solid var(--tm-line);
  border-radius: var(--tm-radius);
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0,0,0,0.3);
  display: flex;
  flex-direction: column;
  transition: border-color 0.22s ease, transform 0.22s ease, box-shadow 0.22s ease;
}
.tm-atto3__card:hover {
  border-color: var(--tm-gold);
  transform: translateY(-3px);
  box-shadow: 0 28px 70px rgba(0,0,0,0.45);
}
.tm-atto3__cardlink {
  display: block;
  border: 0;
  background: transparent;
  padding: 0;
  cursor: pointer;
  width: 100%;
}
.tm-atto3__cardlink:focus-visible {
  outline: 2px solid var(--tm-gold);
  outline-offset: -2px;
}
.tm-atto3__thumb {
  display: block;
  aspect-ratio: 3 / 4;
  overflow: hidden;
  position: relative;
}
.tm-atto3__thumb img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: auto;
  transition: transform 6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.tm-atto3__cardlink:hover .tm-atto3__thumb img,
.tm-atto3__cardlink:focus-visible .tm-atto3__thumb img {
  transform: translateY(-22%);
}
.tm-atto3__thumb::after {
  content: "⤢";
  position: absolute;
  bottom: 12px;
  right: 12px;
  width: 36px;
  height: 36px;
  background: rgba(20, 17, 14, 0.85);
  color: var(--tm-cream);
  border-radius: 999px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 0.2s ease, transform 0.2s ease;
}
.tm-atto3__cardlink:hover .tm-atto3__thumb::after,
.tm-atto3__cardlink:focus-visible .tm-atto3__thumb::after {
  opacity: 1;
  transform: translateY(0);
}

.tm-atto3__meta { padding: 1.2rem 1.3rem 0.6rem; }
.tm-atto3__label {
  display: inline-block;
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--tm-gold);
  margin-bottom: 0.4rem;
}
.tm-atto3__h3 {
  font-family: var(--tm-font-serif);
  font-weight: 400;
  font-size: 1.4rem;
  line-height: 1.18;
  color: var(--tm-ink);
  margin: 0;
  letter-spacing: -0.005em;
}

.tm-atto3__kpis {
  margin: 0;
  padding: 1rem 1.3rem 1.5rem;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.7rem 1rem;
  font-size: 0.82rem;
  border-top: 1px solid var(--tm-line);
}
.tm-atto3__kpis dt {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--tm-muted);
  margin-bottom: 0.2rem;
}
.tm-atto3__kpis dd {
  margin: 0;
  font-weight: 600;
  color: var(--tm-ink);
}

/* ─── Lightbox ──────────────────────────────────────────── */
.tm-atto3__lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.88);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(0.5rem, 2vw, 1.5rem);
}
.tm-atto3__lightbox[hidden] { display: none; }
.tm-atto3__lightbox-inner {
  background: var(--tm-bg-soft);
  border: 1px solid var(--tm-line-strong);
  border-radius: var(--tm-radius);
  width: 100%;
  max-width: 1200px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 40px 100px rgba(0,0,0,0.6);
  overflow: hidden;
}
.tm-atto3__lightbox-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.3rem;
  border-bottom: 1px solid var(--tm-line);
  background: var(--tm-bg-soft);
}
.tm-atto3__lightbox-title {
  font-family: var(--tm-font-serif);
  font-weight: 400;
  font-size: 1.15rem;
  color: var(--tm-ink);
  margin: 0;
}
.tm-atto3__lightbox-close {
  border: 1px solid var(--tm-line-strong);
  background: var(--tm-bg-elev);
  width: 36px; height: 36px;
  border-radius: 999px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--tm-ink);
  transition: border-color 0.18s ease, background 0.18s ease;
}
.tm-atto3__lightbox-close:hover,
.tm-atto3__lightbox-close:focus-visible {
  border-color: var(--tm-gold);
  background: var(--tm-bg);
  outline: none;
}
.tm-atto3__lightbox-scroll {
  overflow: auto;
  flex: 1;
  background: var(--tm-bg);
}
.tm-atto3__lightbox-scroll:focus-visible {
  outline: 2px solid var(--tm-gold);
  outline-offset: -2px;
}
.tm-atto3__lightbox-img {
  width: 100%;
  height: auto;
  display: block;
}

body.tm-atto3-lightbox-open { overflow: hidden; }

/* ─── Process Timeline ──────────────────────────────────── */
.tm-process {
  padding: clamp(4rem, 8vw, 7rem) clamp(1.5rem, 4vw, 3rem);
  background: var(--tm-bg-soft);
  border-top: 1px solid var(--tm-line);
  border-bottom: 1px solid var(--tm-line);
}
.tm-process__shell {
  max-width: 1100px;
  margin: 0 auto;
}
.tm-process__head { margin-bottom: clamp(2.5rem, 5vw, 4rem); }
.tm-process__kicker {
  font-family: var(--tm-font-sans);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--tm-gold);
  margin: 0 0 0.75rem;
}
.tm-process__title {
  font-family: var(--tm-font-serif);
  font-weight: 400;
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  line-height: 1.1;
  letter-spacing: -0.015em;
  color: var(--tm-ink);
  margin: 0 0 1rem;
}
.tm-process__lede {
  font-size: clamp(1rem, 1.3vw, 1.1rem);
  color: var(--tm-ink-2);
  line-height: 1.6;
  margin: 0;
  max-width: 52ch;
}

/* Steps — stacked mobile, horizontal ≥ 720px */
.tm-process__steps {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
}
@media (min-width: 720px) {
  .tm-process__steps {
    flex-direction: row;
    gap: 0;
  }
}

.tm-process__step {
  position: relative;
  flex: 1;
  padding: 1.75rem 1.5rem 1.75rem 0;
  border-left: 2px solid var(--tm-line-strong);
}
@media (min-width: 720px) {
  .tm-process__step {
    padding: 0 1.5rem 2rem 0;
    border-left: none;
    border-top: 2px solid var(--tm-line-strong);
  }
  .tm-process__step:first-child { border-color: var(--tm-gold); }
}
/* Active accent on first step (entry point) */
.tm-process__step:first-child { border-color: var(--tm-gold); }

.tm-process__step-num {
  font-family: var(--tm-font-serif);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--tm-gold);
  letter-spacing: 0.04em;
  margin-bottom: 0.6rem;
}
@media (min-width: 720px) {
  .tm-process__step-num { padding-top: 1rem; }
}

.tm-process__step-title {
  font-family: var(--tm-font-serif);
  font-weight: 500;
  font-size: 1.05rem;
  color: var(--tm-ink);
  margin: 0 0 0.4rem;
}
.tm-process__step-desc {
  font-size: 0.88rem;
  line-height: 1.55;
  color: var(--tm-ink-2);
  margin: 0 0 0.75rem;
}

/* Timing badge — machine vs client */
.tm-process__step-time {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
}
.tm-process__step-time--machine {
  background: rgba(74, 138, 138, 0.15);
  color: var(--tm-teal-2);
  border: 1px solid rgba(74, 138, 138, 0.3);
}
.tm-process__step-time--client {
  background: rgba(216, 154, 90, 0.12);
  color: var(--tm-gold);
  border: 1px solid rgba(216, 154, 90, 0.25);
}

.tm-process__footnote {
  margin: clamp(2rem, 4vw, 3rem) 0 0;
  font-size: 0.78rem;
  color: var(--tm-muted);
  line-height: 1.6;
  max-width: 72ch;
  padding-top: 1.25rem;
  border-top: 1px solid var(--tm-line);
}

/* ─── Scroll-reveal animations ─────────────────────────── */
[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 0.65s ease calc(var(--reveal-delay, 0) * 1ms),
    transform 0.65s ease calc(var(--reveal-delay, 0) * 1ms);
}
[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}
@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1; transform: none; transition: none; }
}

/* ════════════════════════════════════════════════════════════
   DEMO SHOWROOM — Browser mockup + tab selector
   ════════════════════════════════════════════════════════════ */
.tm-demo *, .tm-demo *::before, .tm-demo *::after { box-sizing: border-box; }

.tm-demo {
  padding: clamp(4rem, 8vw, 7rem) 0;
  border-top: 1px solid var(--tm-line);
  font-family: var(--tm-font-sans);
  color: var(--tm-ink);
}
.tm-demo__shell {
  max-width: var(--tm-shell-max);
  margin: 0 auto;
  padding: 0 var(--tm-shell-pad);
}

/* Head */
.tm-demo__head {
  text-align: center;
  margin-bottom: clamp(2rem, 4vw, 3rem);
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
}
.tm-demo__kicker {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--tm-teal);
  margin: 0 0 0.7rem;
}
.tm-demo__title {
  font-family: var(--tm-font-serif);
  font-weight: 400;
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  line-height: 1.1;
  letter-spacing: -0.015em;
  color: var(--tm-ink);
  margin: 0 0 0.75rem;
}
.tm-demo__lede {
  font-size: clamp(0.95rem, 1.3vw, 1.05rem);
  color: var(--tm-ink-2);
  line-height: 1.65;
  margin: 0;
}

/* ── Tabs ── */
.tm-demo__tabs {
  display: flex;
  gap: 0.6rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: clamp(1.5rem, 3vw, 2.5rem);
}
.tm-demo__tab {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.15rem;
  padding: 0.65rem 1.5rem;
  border: 1px solid var(--tm-line-strong);
  border-radius: 999px;
  background: transparent;
  cursor: pointer;
  font-family: var(--tm-font-sans);
  transition: border-color 0.2s ease, background 0.2s ease;
  text-align: center;
}
.tm-demo__tab-cat {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--tm-muted);
  transition: color 0.2s;
}
.tm-demo__tab-name {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--tm-ink-2);
  font-family: var(--tm-font-serif);
  font-style: italic;
  transition: color 0.2s;
}
.tm-demo__tab.is-active {
  border-color: var(--tm-gold);
  background: rgba(216, 154, 90, 0.08);
}
.tm-demo__tab.is-active .tm-demo__tab-cat  { color: var(--tm-gold); }
.tm-demo__tab.is-active .tm-demo__tab-name { color: var(--tm-ink); }
.tm-demo__tab:hover:not(.is-active) { border-color: rgba(245,239,225,0.35); }

/* ── Browser ── */
.tm-demo__browser {
  border: 1px solid var(--tm-line-strong);
  border-radius: var(--tm-radius) var(--tm-radius) 0 0;
  overflow: hidden;
  box-shadow: 0 24px 72px rgba(0, 0, 0, 0.55), 0 0 0 1px var(--tm-line);
}
.tm-demo__chrome {
  height: 44px;
  background: var(--tm-bg-elev);
  border-bottom: 1px solid var(--tm-line-strong);
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0 0.9rem;
}
.tm-demo__dots {
  display: flex;
  gap: 6px;
  flex-shrink: 0;
}
.tm-demo__dots span {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}
.tm-demo__dots span:nth-child(1) { background: #ff5f57; }
.tm-demo__dots span:nth-child(2) { background: #ffbd2e; }
.tm-demo__dots span:nth-child(3) { background: #28c840; }
.tm-demo__urlbar {
  flex: 1;
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 0.35rem;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--tm-line);
  border-radius: 6px;
  padding: 0.3rem 0.8rem;
}
.tm-demo__lock { color: var(--tm-teal); flex-shrink: 0; }
.tm-demo__url-text {
  font-size: 0.76rem;
  color: var(--tm-ink-2);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.tm-demo__expand {
  flex-shrink: 0;
  background: transparent;
  border: 1px solid var(--tm-line-strong);
  border-radius: 6px;
  padding: 5px 9px;
  cursor: pointer;
  color: var(--tm-muted);
  display: flex;
  align-items: center;
  transition: border-color 0.18s, color 0.18s;
}
.tm-demo__expand:hover,
.tm-demo__expand:focus-visible {
  border-color: var(--tm-gold);
  color: var(--tm-gold);
  outline: none;
}

/* ── Viewport & scroll animation ── */
.tm-demo__viewport {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--tm-bg-soft);
  position: relative;
}
.tm-demo__preview {
  width: 100%;
  height: auto;
  display: block;
  will-change: transform;
}
@keyframes tm-demo-scroll {
  0%,  5%  { transform: translateY(0%); }
  45%, 55% { transform: translateY(-42%); }
  95%, 100% { transform: translateY(0%); }
}
@media (prefers-reduced-motion: reduce) {
  .tm-demo__preview { animation: none !important; }
}

/* ── KPI strip ── */
.tm-demo__kpis {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin: 0;
  border: 1px solid var(--tm-line-strong);
  border-top: none;
  border-radius: 0 0 var(--tm-radius) var(--tm-radius);
  overflow: hidden;
  background: var(--tm-bg-soft);
}
@media (max-width: 560px) {
  .tm-demo__kpis { grid-template-columns: repeat(2, 1fr); }
}
.tm-demo__kpi {
  padding: 1rem 1.2rem;
  border-right: 1px solid var(--tm-line);
}
.tm-demo__kpi:last-child { border-right: none; }
.tm-demo__kpi dt {
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--tm-muted);
  margin-bottom: 0.3rem;
}
.tm-demo__kpi dd {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--tm-ink);
  margin: 0;
}

/* ── Atto 1: layout 2 colonne su desktop (fix "troppo grande") ── */
@media (min-width: 900px) {
  .tm-atto1__shell {
    display: grid;
    grid-template-columns: 1fr 400px;
    grid-template-rows: auto auto auto auto auto;
    column-gap: clamp(3rem, 5vw, 5rem);
    align-items: start;
  }
  .tm-atto1__head {
    grid-column: 1; grid-row: 1;
    margin-bottom: 0;
  }
  .tm-atto1__verticals {
    grid-column: 1; grid-row: 2;
    margin-top: 1.75rem; margin-bottom: 0;
  }
  .tm-atto1__sr-live {
    grid-column: 1; grid-row: 3;
  }
  .tm-atto1__stage {
    grid-column: 2; grid-row: 1 / span 3;
  }
  .tm-atto1__kpis {
    grid-column: 1 / -1; grid-row: 4;
    margin-top: clamp(2rem, 4vw, 3.5rem);
  }
  .tm-atto1__footnote {
    grid-column: 1 / -1; grid-row: 5;
  }
}