/* ==========================================================================
   Il Professionista della Casa – design system
   Concept: "Precisione tecnica, calore locale"
   Segni: tetto (chevron) del logo · quote dei disegni tecnici · carta millimetrata · foto da drone
   Mobile-first. Breakpoint: 40em (640) · 64em (1024) · 80em (1280)
   Libreria componenti con markup: /_componenti (solo demo)
   ========================================================================== */

@layer reset, tokens, base, layout, components, utilities;

/* ---------- Font self-hosted (subset latin + latin-ext) ------------------- */
@font-face { font-family: "Figtree"; font-style: normal; font-weight: 300 900; font-display: swap;
  src: url("../fonts/figtree-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: "Figtree"; font-style: normal; font-weight: 300 900; font-display: swap;
  src: url("../fonts/figtree-latin-ext.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF; }
@font-face { font-family: "Figtree"; font-style: italic; font-weight: 300 900; font-display: swap;
  src: url("../fonts/figtree-italic-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: "Figtree"; font-style: italic; font-weight: 300 900; font-display: swap;
  src: url("../fonts/figtree-italic-latin-ext.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF; }
@font-face { font-family: "IBM Plex Mono"; font-style: normal; font-weight: 500; font-display: swap;
  src: url("../fonts/ibm-plex-mono-500-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: "IBM Plex Mono"; font-style: normal; font-weight: 500; font-display: swap;
  src: url("../fonts/ibm-plex-mono-500-latin-ext.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF; }

/* Transizioni tra pagine (MPA) */
@media (prefers-reduced-motion: no-preference) {
  @view-transition { navigation: auto; }
}

/* ========================================================================== */
@layer reset {
  *, *::before, *::after { box-sizing: border-box; }
  * { margin: 0; }
  html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
  body { min-block-size: 100vh; min-block-size: 100dvh; }
  img, picture, svg, video, iframe { display: block; max-inline-size: 100%; }
  img { block-size: auto; }
  input, button, textarea, select { font: inherit; color: inherit; }
  button { cursor: pointer; }
  p, h1, h2, h3, h4, h5, h6, li, dd, figcaption { overflow-wrap: break-word; }
  ul[role="list"], ol[role="list"] { list-style: none; padding: 0; }
  table { border-collapse: collapse; }
  [hidden] { display: none !important; }
}

/* ========================================================================== */
@layer tokens {
  :root {
    /* Colori (contrasti verificati su bianco: primary 7,6:1 · text 9,6:1 · muted 6,1:1) */
    --c-primary: #A02A2A;
    --c-primary-700: #7F1F1F;
    --c-primary-50: color-mix(in srgb, #A02A2A 7%, white);
    --c-accent: #E31D27;          /* solo dettagli grafici, mai testo piccolo */
    --c-accent-light: #F4A097;    /* etichette e link su fondo scuro (7,9:1 su #1F2326) */
    --c-ink: #1F2326;
    --c-ink-2: #2B2F33;
    --c-text: #3A464E;
    --c-muted: #56616A;
    --c-bg: #FFFFFF;
    --c-stone: #F6F5F3;
    --c-stone-2: #EEECE8;
    --c-line: #E2DFDA;
    --c-line-strong: #C9C4BC;
    --c-dark: #1F2326;
    --c-on-dark: #E9E6E1;
    --c-on-dark-muted: #B4B9BD;
    --c-wa: #25D366;
    --c-todo: #FFF1A8;
    --c-todo-line: #B08D00;
    --c-focus: #E31D27;

    /* Tipografia */
    --font-sans: "Figtree", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
    --step--2: clamp(0.75rem, 0.73rem + 0.08vw, 0.8125rem);
    --step--1: clamp(0.875rem, 0.85rem + 0.1vw, 0.9375rem);
    --step-0: clamp(1.0625rem, 1.02rem + 0.2vw, 1.1875rem);
    --step-1: clamp(1.1875rem, 1.1rem + 0.4vw, 1.4375rem);
    --step-2: clamp(1.4375rem, 1.25rem + 0.85vw, 1.9375rem);
    --step-3: clamp(1.75rem, 1.4rem + 1.6vw, 2.75rem);
    --step-4: clamp(2.125rem, 1.55rem + 2.6vw, 3.75rem);
    --step-5: clamp(2.375rem, 1.5rem + 3.9vw, 4.5rem);

    /* Spazi e misure */
    --gutter: clamp(1rem, 0.6rem + 2vw, 2.5rem);
    --container: 76rem;
    --container-narrow: 50rem;
    --section: clamp(3.5rem, 2.2rem + 5.5vw, 7rem);
    --radius: 0.375rem;
    --radius-lg: 0.75rem;
    --header-h: 4rem;
    --action-bar-h: 3.75rem;
    --shadow-sm: 0 1px 2px rgb(31 35 38 / 0.06), 0 2px 8px -2px rgb(31 35 38 / 0.08);
    --shadow: 0 2px 4px rgb(31 35 38 / 0.05), 0 12px 32px -12px rgb(31 35 38 / 0.22);
    --shadow-lg: 0 24px 64px -24px rgb(31 35 38 / 0.45);
    --ease: cubic-bezier(0.2, 0.7, 0.2, 1);

    /* Carta millimetrata (1 mm = 10px, maglia 5 cm = 50px) */
    --grid-minor: rgb(255 255 255 / 0.035);
    --grid-major: rgb(255 255 255 / 0.075);
  }
  @media (min-width: 64em) {
    :root { --header-h: 4.75rem; }
  }
}

/* ========================================================================== */
@layer base {
  html {
    color-scheme: light;
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--header-h) + 1rem);
    hanging-punctuation: first last;
  }
  @media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
  @media (prefers-reduced-motion: no-preference) {
    :root { interpolate-size: allow-keywords; }
  }

  body {
    font-family: var(--font-sans);
    font-size: var(--step-0);
    line-height: 1.65;
    color: var(--c-text);
    background: var(--c-bg);
    font-optical-sizing: auto;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
  }

  h1, h2, h3, h4, h5, h6 {
    color: var(--c-ink);
    font-weight: 720;
    line-height: 1.15;
    letter-spacing: -0.018em;
    text-wrap: balance;
  }
  h1 { font-size: var(--step-4); font-weight: 780; letter-spacing: -0.025em; }
  h2 { font-size: var(--step-3); }
  h3 { font-size: var(--step-1); letter-spacing: -0.01em; }
  h4 { font-size: var(--step-0); }
  p, li, dd { text-wrap: pretty; }
  strong, b { font-weight: 680; color: var(--c-ink); }
  small { font-size: var(--step--1); }

  a {
    color: var(--c-primary);
    text-decoration-line: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 0.2em;
    transition: color 0.15s, text-decoration-color 0.15s;
  }
  a:hover { color: var(--c-primary-700); text-decoration-thickness: 2px; }

  :focus-visible {
    outline: 3px solid var(--c-focus);
    outline-offset: 2px;
    border-radius: 2px;
  }
  :target { scroll-margin-top: calc(var(--header-h) + 1.25rem); }
  [id] { scroll-margin-top: calc(var(--header-h) + 1.25rem); }

  ::selection { background: color-mix(in srgb, var(--c-primary) 22%, white); color: var(--c-ink); }

  address { font-style: normal; }
  hr { border: 0; border-block-start: 1px solid var(--c-line); margin-block: 2rem; }

  .icon {
    flex: none;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.75;
    stroke-linecap: round;
    stroke-linejoin: round;
    vertical-align: middle;
  }
}

/* ========================================================================== */
@layer layout {
  .container {
    inline-size: 100%;
    max-inline-size: calc(var(--container) + 2 * var(--gutter));
    margin-inline: auto;
    padding-inline: max(var(--gutter), env(safe-area-inset-left)) max(var(--gutter), env(safe-area-inset-right));
  }
  .container--narrow { max-inline-size: calc(var(--container-narrow) + 2 * var(--gutter)); }

  .section { padding-block: var(--section); }
  .section--tight { padding-block: calc(var(--section) * 0.6); }
  .section--stone { background: var(--c-stone); }
  .section--line { border-block-start: 1px solid var(--c-line); }

  .grid-2 { display: grid; gap: clamp(2rem, 4vw, 4rem); }
  @media (min-width: 64em) {
    .grid-2 { grid-template-columns: 1fr 1fr; align-items: start; }
    .grid-2--center { align-items: center; }
    .grid-2--wide-left { grid-template-columns: 1.25fr 1fr; }
  }

  .stack > * + * { margin-block-start: var(--flow, 1em); }

  /* Superficie scura con carta millimetrata */
  .surface-dark {
    background-color: var(--c-dark);
    background-image:
      linear-gradient(var(--grid-major) 1px, transparent 1px),
      linear-gradient(90deg, var(--grid-major) 1px, transparent 1px),
      linear-gradient(var(--grid-minor) 1px, transparent 1px),
      linear-gradient(90deg, var(--grid-minor) 1px, transparent 1px);
    background-size: 50px 50px, 50px 50px, 10px 10px, 10px 10px;
    background-position: -1px -1px;
    color: var(--c-on-dark);
    --c-focus: #FFFFFF;
    & :is(h1, h2, h3, h4, strong) { color: #FFFFFF; }
    & a:not(.btn) { color: var(--c-accent-light); }
    & a:not(.btn):hover { color: #FFFFFF; }
    & .quota { color: var(--c-accent-light); }
  }

  body.page {
    display: flex;
    flex-direction: column;
    & > main { flex: 1 0 auto; }
  }
  @media (max-width: 63.99em) {
    body.page > .site-footer { padding-block-end: calc(1.75rem + var(--action-bar-h) + env(safe-area-inset-bottom)); }
  }
}

/* ========================================================================== */
@layer components {

  /* ---------- Skip link & badge demo ---------- */
  .skip-link {
    position: fixed; inset-block-start: 0.5rem; inset-inline-start: 0.5rem; z-index: 100;
    padding: 0.75rem 1rem; background: var(--c-ink); color: #fff; font-weight: 650; border-radius: var(--radius);
    translate: 0 -150%; transition: translate 0.2s;
    &:focus { translate: 0 0; color: #fff; }
  }
  .demo-badge {
    position: fixed; z-index: 70;
    inset-inline-start: 0.625rem;
    inset-block-end: calc(var(--action-bar-h) + env(safe-area-inset-bottom) + 0.625rem);
    display: inline-flex; align-items: center; gap: 0.4rem;
    padding: 0.3rem 0.7rem; border-radius: 99px;
    background: rgb(31 35 38 / 0.9); color: #fff;
    font: 500 var(--step--2)/1.3 var(--font-mono); letter-spacing: 0.06em; text-transform: uppercase;
    box-shadow: var(--shadow); backdrop-filter: blur(6px);
    & a { color: var(--c-todo); }
    @media (min-width: 64em) { inset-block-end: 1rem; }
  }
  .demo-badge__dot { inline-size: 0.5rem; block-size: 0.5rem; border-radius: 50%; background: #F5C400; box-shadow: 0 0 0 3px rgb(245 196 0 / 0.25); }
  .demo-badge__more { display: none; text-transform: none; letter-spacing: 0; }
  @media (min-width: 40em) { .demo-badge__more { display: inline; } }

  /* ---------- Todo "da confermare" (solo demo) ---------- */
  .todo {
    position: relative;
    background: linear-gradient(transparent 0.12em, var(--c-todo) 0.12em);
    color: inherit;
    padding-inline: 0.12em;
    border-radius: 2px;
    outline: 1.5px dashed var(--c-todo-line);
    outline-offset: 1px;
    cursor: help;
    box-decoration-break: clone;
    -webkit-box-decoration-break: clone;
    &::after {
      content: "Da confermare: " attr(data-nota);
      display: none;
      position: absolute; z-index: 80;
      inset-block-end: calc(100% + 0.5rem); inset-inline-start: 0;
      inline-size: max-content; max-inline-size: min(20rem, 80vw);
      padding: 0.55rem 0.7rem; border-radius: var(--radius);
      background: #16191B; color: #fff;
      font: 400 0.8125rem/1.45 var(--font-sans); letter-spacing: 0; text-transform: none; text-align: start;
      white-space: normal; box-shadow: var(--shadow);
    }
    &:hover::after, &.is-open::after { display: block; }
  }
  .surface-dark .todo, .cta-band .todo, .hero .todo, .page-hero .todo {
    background: linear-gradient(transparent 0.12em, rgb(255 225 60 / 0.28) 0.12em);
    outline-color: #F5C400;
  }
  .todo--block {
    display: block; padding: 0.75rem 1rem; background: color-mix(in srgb, var(--c-todo) 55%, white);
    &::before {
      content: "Da confermare"; display: block; margin-block-end: 0.25rem;
      font: 500 var(--step--2)/1.2 var(--font-mono); text-transform: uppercase; letter-spacing: 0.08em; color: #6B5600;
    }
  }

  /* ---------- Quota: etichetta con linea di misura ---------- */
  .quota {
    display: inline-flex; align-items: center; gap: 0.7rem;
    margin-block-end: 1rem;
    font: 500 var(--step--2)/1.2 var(--font-mono);
    letter-spacing: 0.12em; text-transform: uppercase;
    color: var(--c-primary);
    &::before {
      content: ""; flex: none;
      inline-size: 2.5rem; block-size: 0.625rem;
      border-inline: 1.5px solid currentColor;
      background: linear-gradient(currentColor, currentColor) center / 100% 1.5px no-repeat;
    }
  }
  .quota--light, .surface-dark .quota, .section-head--light .quota { color: var(--c-accent-light); }
  .quota__num { padding-inline-end: 0.7rem; border-inline-end: 1px solid currentColor; }

  /* Linea di quota con valore al centro (numeri chiave) */
  .dimension {
    display: flex; align-items: center; gap: 0.75rem;
    font: 500 var(--step--1)/1 var(--font-mono); color: var(--c-muted);
    &::before, &::after {
      content: ""; flex: 1; block-size: 0.625rem;
      background: linear-gradient(currentColor, currentColor) center / 100% 1px no-repeat;
    }
    &::before { border-inline-start: 1px solid currentColor; }
    &::after { border-inline-end: 1px solid currentColor; }
  }

  /* Tetto del logo: divisore ed elenco */
  .roof-divider {
    display: flex; align-items: center; gap: 1rem; color: var(--c-accent);
    margin-block: 2.5rem;
    &::before, &::after { content: ""; flex: 1; block-size: 1px; background: var(--c-line); }
    & .icon { inline-size: 2rem; block-size: 2rem; stroke-width: 2; }
  }
  .list-roof, .prose ul {
    list-style: none; padding: 0;
    & > li { position: relative; padding-inline-start: 1.6em; }
    & > li + li { margin-block-start: 0.5em; }
    & > li::before {
      content: ""; position: absolute; inset-inline-start: 0.25em; inset-block-start: 0.68em;
      inline-size: 0.55em; block-size: 0.55em;
      border-block-start: 2px solid var(--c-accent); border-inline-start: 2px solid var(--c-accent);
      rotate: 45deg;
    }
  }

  /* ---------- Section head ---------- */
  .section-head {
    max-inline-size: 46rem;
    margin-block-end: clamp(2rem, 4vw, 3.25rem);
    & .section-title { margin: 0; }
  }
  .section-head--center { margin-inline: auto; text-align: center; & .quota { justify-content: center; } }
  .section-title { font-size: var(--step-3); }
  .section-intro { margin-block-start: 1rem; font-size: var(--step-1); line-height: 1.55; color: var(--c-muted); }
  .section-head--light .section-intro, .surface-dark .section-intro { color: var(--c-on-dark-muted); }

  /* ---------- Prose ---------- */
  .prose {
    max-inline-size: 68ch;
    & > * + * { margin-block-start: 1em; }
    & :is(h2, h3, h4) { margin-block-start: 1.8em; }
    & :is(h2, h3, h4) + * { margin-block-start: 0.6em; }
    & h2 { font-size: var(--step-2); }
    & ol { padding-inline-start: 1.4em; & > li + li { margin-block-start: 0.5em; } & > li::marker { color: var(--c-primary); font-weight: 700; } }
  }
  .lead { font-size: var(--step-1); line-height: 1.55; color: var(--c-ink-2); }

  /* ---------- Pulsanti ---------- */
  .btn {
    --btn-bg: var(--c-primary); --btn-fg: #fff; --btn-bd: var(--btn-bg);
    display: inline-flex; align-items: center; justify-content: center; gap: 0.55rem;
    min-block-size: 3rem; padding: 0.7rem 1.35rem;
    border: 1.5px solid var(--btn-bd); border-radius: var(--radius);
    background: var(--btn-bg); color: var(--btn-fg);
    font-weight: 650; font-size: 1rem; line-height: 1.2; letter-spacing: 0.005em;
    text-decoration: none; text-align: center;
    transition: background-color 0.18s, color 0.18s, border-color 0.18s, translate 0.18s var(--ease), box-shadow 0.18s;
    & .icon { inline-size: 1.2em; block-size: 1.2em; }
    & .icon--arrow-right { transition: translate 0.2s var(--ease); }
    &:hover { color: var(--btn-fg); text-decoration: none; }
    &:hover .icon--arrow-right { translate: 0.2rem 0; }
    &:active { translate: 0 1px; }
  }
  .btn--primary:hover { --btn-bg: var(--c-primary-700); box-shadow: 0 8px 20px -10px rgb(127 31 31 / 0.7); }
  .btn--secondary { --btn-bg: transparent; --btn-fg: var(--c-primary); --btn-bd: var(--c-primary);
    &:hover { --btn-bg: var(--c-primary); --btn-fg: #fff; } }
  .btn--ghost { --btn-bg: transparent; --btn-fg: var(--c-ink); --btn-bd: transparent; padding-inline: 0.75rem;
    &:hover { --btn-bg: var(--c-stone); } }
  .btn--on-dark { --btn-bg: transparent; --btn-fg: #fff; --btn-bd: rgb(255 255 255 / 0.55);
    &:hover { --btn-bg: #fff; --btn-fg: var(--c-ink); --btn-bd: #fff; } }
  .btn--light { --btn-bg: #fff; --btn-fg: var(--c-primary); --btn-bd: #fff;
    &:hover { --btn-bg: var(--c-stone); --btn-fg: var(--c-primary-700); } }
  .btn--wa { --btn-bg: #1C7A43; --btn-bd: #1C7A43; &:hover { --btn-bg: #145C32; } }
  .btn--sm { min-block-size: 2.75rem; padding: 0.5rem 1rem; font-size: 0.9375rem; }
  .btn--block { display: flex; inline-size: 100%; }
  .btn-row { display: flex; flex-wrap: wrap; align-items: center; gap: 0.75rem 1rem; margin-block-start: 1.75rem; }

  .link-arrow {
    display: inline-flex; align-items: center; gap: 0.4rem; min-block-size: 1.75rem;
    font-weight: 650; text-decoration: none;
    & .icon { transition: translate 0.2s var(--ease); inline-size: 1.1em; block-size: 1.1em; }
    &:hover { text-decoration: underline; }
    &:hover .icon--arrow-right { translate: 0.2rem 0; }
  }
  .link-arrow--light { color: #fff; &:hover { color: #fff; } }
  .icon-btn {
    display: inline-grid; place-items: center; inline-size: 2.75rem; block-size: 2.75rem;
    border: 1.5px solid var(--c-line); border-radius: var(--radius); background: #fff; color: var(--c-ink);
    &:hover { border-color: var(--c-ink); }
  }

  /* ---------- Badge ---------- */
  .badge {
    display: inline-flex; align-items: center; gap: 0.35rem;
    padding: 0.2rem 0.5rem; border-radius: 0.25rem;
    background: var(--c-stone-2); color: var(--c-ink);
    font: 500 var(--step--2)/1.35 var(--font-mono); letter-spacing: 0.06em; text-transform: uppercase;
  }
  .badge--draft { background: var(--c-todo); color: #574600; outline: 1px dashed var(--c-todo-line); outline-offset: -1px; }
  .badge--primary { background: var(--c-primary-50); color: var(--c-primary-700); }

  /* ---------- Header ---------- */
  .header-sentinel { position: absolute; inset-block-start: 0; block-size: 1px; inline-size: 1px; }
  .site-header {
    position: sticky; inset-block-start: 0; z-index: 50;
    background: rgb(255 255 255 / 0.94);
    backdrop-filter: blur(14px) saturate(1.5);
    -webkit-backdrop-filter: blur(14px) saturate(1.5);
    border-block-end: 1px solid var(--c-line);
    transition: box-shadow 0.25s, border-color 0.25s;
    view-transition-name: site-header;
  }
  .is-scrolled .site-header { box-shadow: 0 10px 30px -18px rgb(31 35 38 / 0.45); border-color: transparent; }
  .site-header__inner { display: flex; align-items: center; gap: 0.75rem; block-size: var(--header-h); }
  .brand {
    flex: none; display: block; inline-size: clamp(10rem, 44vw, 13.75rem);
    transform-origin: left center; transition: scale 0.25s var(--ease);
    & img { inline-size: 100%; }
  }
  .is-scrolled .brand { scale: 0.9; }
  @media (min-width: 80em) { .brand { inline-size: 16.5rem; } }

  .header-actions { display: flex; align-items: center; gap: 0.5rem; margin-inline-start: auto; }
  .header-call { padding-inline: 0.75rem; min-inline-size: 2.75rem; min-block-size: 2.75rem;
    & .header-call__label, & .header-call__num { display: none; } }
  @media (min-width: 30em) { .header-call { padding-inline: 1rem; & .header-call__label { display: inline; } } }
  @media (min-width: 80em) { .header-call { & .header-call__label { display: none; } & .header-call__num { display: inline; } } }

  .menu-toggle {
    display: inline-flex; align-items: center; gap: 0.45rem;
    min-block-size: 2.75rem; padding: 0.4rem 0.8rem;
    border: 1.5px solid var(--c-line-strong); border-radius: var(--radius);
    background: #fff; color: var(--c-ink); font-weight: 650; font-size: 0.9375rem;
    &:hover { border-color: var(--c-ink); }
  }
  @media (max-width: 22.5em) { .menu-toggle__label { position: absolute; inline-size: 1px; block-size: 1px; overflow: hidden; clip-path: inset(50%); } }

  /* Menu: pannello (popover) sotto 64em, barra orizzontale sopra */
  .site-nav { display: none; }
  .site-nav.is-open { display: flex; }
  .site-nav:popover-open { display: flex; }
  @media (max-width: 63.99em) {
    .site-nav {
      flex-direction: column;
      position: fixed; inset: 0 0 0 auto; margin: 0;
      inline-size: min(25rem, 100%); block-size: 100dvh; max-block-size: 100dvh;
      padding: 0.75rem 1.25rem calc(1.5rem + env(safe-area-inset-bottom));
      border: 0; background: #fff; color: var(--c-text);
      overflow-y: auto; overscroll-behavior: contain;
      box-shadow: var(--shadow-lg);
      z-index: 90;
    }
    .site-nav::backdrop { background: rgb(22 25 27 / 0.55); backdrop-filter: blur(2px); }
    @media (prefers-reduced-motion: no-preference) {
      .site-nav { transition: translate 0.32s var(--ease), display 0.32s allow-discrete, overlay 0.32s allow-discrete; translate: 100% 0; }
      .site-nav:popover-open, .site-nav.is-open { translate: 0 0; }
      @starting-style { .site-nav:popover-open { translate: 100% 0; } }
    }
    .site-nav__head { display: flex; align-items: center; justify-content: space-between; min-block-size: 3.25rem; margin-block-end: 0.5rem; & .quota { margin: 0; } }
    .nav-list { display: grid; }
    .nav-item { border-block-end: 1px solid var(--c-line); }
    .nav-link {
      display: flex; align-items: center; min-block-size: 3.25rem; padding-block: 0.6rem;
      font-size: 1.125rem; font-weight: 650; color: var(--c-ink); text-decoration: none;
      &[aria-current] { color: var(--c-primary); }
    }
    .sub-toggle { display: none; }
    .subnav { padding-block-end: 0.75rem; }
    .subnav__list { display: grid; gap: 0.125rem; }
    .subnav__link {
      display: flex; align-items: center; gap: 0.7rem; min-block-size: 2.75rem; padding: 0.35rem 0.5rem;
      border-radius: var(--radius); color: var(--c-text); text-decoration: none; font-size: 1rem;
      & strong { font-weight: 550; color: inherit; }
      & small { display: none; }
      & .icon { color: var(--c-primary); inline-size: 1.25rem; block-size: 1.25rem; }
      &:hover, &[aria-current] { background: var(--c-stone); color: var(--c-ink); }
    }
    .subnav__all { display: none; }
    .site-nav__foot { display: grid; gap: 0.75rem; margin-block-start: auto; padding-block-start: 1.5rem; }
    .site-nav__address { display: flex; gap: 0.5rem; font-size: var(--step--1); color: var(--c-muted); & .icon { color: var(--c-primary); margin-block-start: 0.2em; } }
  }
  @media (min-width: 64em) {
    .menu-toggle, .site-nav__head, .site-nav__foot { display: none; }
    .site-nav, .site-nav:popover-open {
      display: flex; position: static; inset: auto; margin: 0 0 0 auto; padding: 0;
      inline-size: auto; block-size: auto; overflow: visible; border: 0; background: none; box-shadow: none; color: inherit;
    }
    .header-actions { margin-inline-start: 0.75rem; }
    .nav-list { display: flex; align-items: center; gap: clamp(0rem, 0.6vw, 0.75rem); }
    .nav-item { position: relative; display: flex; align-items: center; }
    .nav-link {
      position: relative; display: block; padding: 0.6rem 0.55rem;
      font-size: 0.9688rem; font-weight: 620; color: var(--c-ink); text-decoration: none; white-space: nowrap;
      &::after {
        content: ""; position: absolute; inset-inline: 0.55rem; inset-block-end: 0.25rem; block-size: 2px;
        background: var(--c-accent); scale: 0 1; transform-origin: left; transition: scale 0.25s var(--ease);
      }
      &:hover { color: var(--c-primary); }
      &:hover::after, &[aria-current]::after { scale: 1 1; }
      &[aria-current] { color: var(--c-primary); }
    }
    .nav-item--has-sub .nav-link { padding-inline-end: 0.15rem; &::after { inset-inline-end: 0.15rem; } }
    .sub-toggle {
      display: inline-grid; place-items: center; inline-size: 1.75rem; block-size: 1.75rem;
      border: 0; border-radius: 0.25rem; background: none; color: var(--c-ink);
      & .icon { transition: rotate 0.2s var(--ease); inline-size: 1rem; block-size: 1rem; }
      &:hover { background: var(--c-stone); }
      &[aria-expanded="true"] .icon { rotate: 180deg; }
    }
    .subnav {
      position: absolute; inset-block-start: calc(100% + 0.9rem); inset-inline-start: -8rem;
      inline-size: min(46rem, 80vw); padding: 1rem;
      background: #fff; border: 1px solid var(--c-line); border-block-start: 3px solid var(--c-primary);
      border-radius: 0 0 var(--radius-lg) var(--radius-lg); box-shadow: var(--shadow-lg);
      visibility: hidden; opacity: 0; translate: 0 -0.5rem;
      transition: opacity 0.2s, translate 0.2s var(--ease), visibility 0s 0.2s;
      &::before { content: ""; position: absolute; inset-inline: 0; inset-block-end: 100%; block-size: 1.2rem; }
    }
    .nav-item--has-sub:not(.is-dismissed):hover .subnav,
    .sub-toggle[aria-expanded="true"] + .subnav {
      visibility: visible; opacity: 1; translate: 0 0; transition: opacity 0.2s, translate 0.2s var(--ease), visibility 0s;
    }
    .subnav__list { display: grid; grid-template-columns: 1fr 1fr; gap: 0.25rem; }
    .subnav__link {
      display: flex; gap: 0.8rem; padding: 0.75rem; border-radius: var(--radius);
      color: var(--c-text); text-decoration: none;
      & .subnav__icon { inline-size: 2.25rem; block-size: 2.25rem; padding: 0.45rem; border-radius: var(--radius); background: var(--c-primary-50); color: var(--c-primary); }
      & strong { display: block; font-size: 1rem; color: var(--c-ink); line-height: 1.3; }
      & small { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; font-size: 0.8125rem; line-height: 1.45; color: var(--c-muted); margin-block-start: 0.15rem; }
      &:hover, &[aria-current] { background: var(--c-stone); & strong { color: var(--c-primary); } }
    }
    .subnav__all { display: inline-flex; margin: 0.75rem 0.75rem 0.25rem; font-size: 0.9375rem; }
  }

  /* ---------- Breadcrumbs ---------- */
  .breadcrumbs {
    margin-block-end: 1.25rem; font-size: var(--step--1);
    & ol { display: flex; flex-wrap: wrap; gap: 0.25rem 0.5rem; }
    & li { display: inline-flex; align-items: center; gap: 0.5rem; }
    & li + li::before { content: ""; inline-size: 0.4rem; block-size: 0.4rem; border-block-start: 1.5px solid currentColor; border-inline-end: 1.5px solid currentColor; rotate: 45deg; opacity: 0.6; }
    & a { display: inline-block; padding-block: 0.2rem; color: var(--c-muted); text-decoration: none; &:hover { text-decoration: underline; } }
    & a[aria-current] { color: var(--c-ink); font-weight: 600; }
  }
  .breadcrumbs--light { & a, & li { color: rgb(255 255 255 / 0.78); } & a[aria-current] { color: #fff; } }
  .surface-dark .breadcrumbs--light a:not(.btn) { color: rgb(255 255 255 / 0.78); }
  .surface-dark .breadcrumbs--light a[aria-current] { color: #fff; }

  /* ---------- Hero home ---------- */
  .hero {
    position: relative; isolation: isolate; overflow: hidden;
    display: grid; align-items: end;
    min-block-size: min(calc(100svh - var(--header-h) - var(--action-bar-h)), 46rem);
    background: var(--c-dark); color: #fff;
    &::before {
      content: ""; position: absolute; inset: 0; z-index: -1;
      background: linear-gradient(180deg, rgb(22 25 27 / 0.2) 0%, rgb(22 25 27 / 0.62) 22%, rgb(22 25 27 / 0.9) 48%, rgb(22 25 27 / 0.97) 100%);
    }
    &::after {
      content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
      background-image:
        linear-gradient(rgb(255 255 255 / 0.07) 1px, transparent 1px),
        linear-gradient(90deg, rgb(255 255 255 / 0.07) 1px, transparent 1px);
      background-size: 50px 50px;
      mask-image: linear-gradient(180deg, transparent 35%, #000 100%);
    }
    & :is(h1, strong) { color: #fff; }
    & a:not(.btn) { color: #fff; }
  }
  .hero__media { position: absolute; inset: 0; z-index: -2;
    & picture, & img { inline-size: 100%; block-size: 100%; }
    & img { object-fit: cover; object-position: 50% 40%; }
  }
  .hero__inner { padding-block: clamp(5rem, 15vh, 12rem) clamp(2rem, 5vh, 3.5rem); }
  .hero__title {
    font-size: var(--step-5); line-height: 1.02; font-weight: 790; letter-spacing: -0.03em;
    max-inline-size: 17ch; margin-block-end: 1.25rem;
    & .hl { color: #fff; background: linear-gradient(var(--c-accent), var(--c-accent)) 0 92% / 100% 0.09em no-repeat; }
  }
  .hero__lead { max-inline-size: 62ch; font-size: clamp(1.0313rem, 0.98rem + 0.3vw, 1.1875rem); line-height: 1.6; color: rgb(255 255 255 / 0.9); }
  .hero__meta {
    display: flex; flex-wrap: wrap; gap: 0.5rem 1.5rem; margin-block-start: 2rem; padding-block-start: 1rem;
    border-block-start: 1px solid rgb(255 255 255 / 0.18);
    font: 500 var(--step--2)/1.4 var(--font-mono); letter-spacing: 0.08em; text-transform: uppercase; color: rgb(255 255 255 / 0.72);
    & span { display: inline-flex; align-items: center; gap: 0.45rem; }
  }
  @media (min-width: 64em) {
    .hero { align-items: center; min-block-size: min(calc(100svh - var(--header-h)), 50rem); }
    .hero::before { background: linear-gradient(90deg, rgb(22 25 27 / 0.92) 0%, rgb(22 25 27 / 0.78) 38%, rgb(22 25 27 / 0.25) 70%, rgb(22 25 27 / 0.1) 100%); }
    .hero::after { mask-image: linear-gradient(90deg, #000 0%, transparent 60%); }
    .hero__inner { padding-block: 5rem 7rem; }
  }

  /* ---------- Trust strip ---------- */
  .trust-wrap { position: relative; z-index: 2; }
  .trust-strip {
    display: grid; grid-template-columns: repeat(2, minmax(0, 1fr));
    background: #fff; border-block-end: 1px solid var(--c-line);
  }
  .trust {
    display: flex; flex-direction: column; gap: 0.35rem;
    padding: 1.25rem 1rem;
    border-inline-start: 1px solid var(--c-line);
    &:nth-child(odd) { border-inline-start: 0; }
    &:nth-child(n+3) { border-block-start: 1px solid var(--c-line); }
  }
  .trust__value {
    display: inline-flex; align-items: center; gap: 0.35rem;
    font: 500 clamp(1.5rem, 1.2rem + 1.4vw, 2.25rem)/1 var(--font-mono); letter-spacing: -0.02em; color: var(--c-ink);
    & .icon { color: var(--c-primary); inline-size: 0.85em; block-size: 0.85em; }
  }
  .trust__pre { font-size: 0.5em; color: var(--c-muted); align-self: flex-start; margin-block-start: 0.2em; }
  .trust__star { fill: #E8A200; stroke: #E8A200 !important; }
  .trust__label { font-size: var(--step--1); line-height: 1.4; color: var(--c-text); }
  .trust__link { margin-block-start: auto; padding-block-start: 0.25rem; display: inline-flex; align-items: center; gap: 0.3rem; font-size: var(--step--1); font-weight: 650; text-decoration: none; &:hover { text-decoration: underline; } }
  @media (min-width: 64em) {
    .trust-wrap { margin-block-start: -3.5rem; }
    .trust-strip { grid-template-columns: repeat(4, 1fr); border: 1px solid var(--c-line); border-block-start: 3px solid var(--c-primary); border-radius: 0 0 var(--radius-lg) var(--radius-lg); box-shadow: var(--shadow); }
    .trust { padding: 1.5rem 1.5rem 1.35rem; &:nth-child(odd) { border-inline-start: 1px solid var(--c-line); } &:first-child { border-inline-start: 0; } &:nth-child(n+3) { border-block-start: 0; } }
  }

  /* ---------- Card servizio (container query) ---------- */
  .service-grid { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fill, minmax(min(100%, 16.5rem), 1fr)); }
  .service-card { container-type: inline-size; }
  .service-card__inner {
    position: relative; block-size: 100%;
    display: flex; flex-direction: column; gap: 0.5rem;
    padding: 1.35rem 1.35rem 1.25rem;
    background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius-lg);
    transition: border-color 0.2s, box-shadow 0.25s, translate 0.25s var(--ease);
    &::before {
      content: ""; position: absolute; inset-block-start: -1px; inset-inline: 1.35rem; block-size: 3px;
      background: var(--c-primary); scale: 0 1; transform-origin: left; transition: scale 0.3s var(--ease);
    }
    &:hover { border-color: var(--c-line-strong); box-shadow: var(--shadow); translate: 0 -3px; }
    &:hover::before, &:focus-within::before { scale: 1 1; }
  }
  .service-card__top { display: flex; align-items: flex-start; justify-content: space-between; margin-block-end: 0.5rem; }
  .service-card__icon { display: grid; place-items: center; inline-size: 3.25rem; block-size: 3.25rem; border-radius: var(--radius); background: var(--c-primary-50); color: var(--c-primary);
    & .icon { inline-size: 1.75rem; block-size: 1.75rem; stroke-width: 1.6; } }
  .service-card__num { font: 500 var(--step--2)/1 var(--font-mono); color: var(--c-muted); letter-spacing: 0.08em; padding-block-start: 0.25rem; }
  .service-card__need { font-size: var(--step--1); font-weight: 600; color: var(--c-primary); line-height: 1.35;
    &::before { content: "“"; } &::after { content: "”"; } }
  .service-card__title { font-size: var(--step-1); line-height: 1.2;
    & a { color: var(--c-ink); text-decoration: none; }
    & a:hover { color: var(--c-primary); } }
  .service-card__text { font-size: var(--step--1); line-height: 1.55; color: var(--c-muted); }
  .service-card__more { margin-block-start: auto; padding-block-start: 0.5rem; display: inline-flex; align-items: center; gap: 0.35rem; font-size: var(--step--1); font-weight: 650; color: var(--c-primary);
    & .icon { transition: translate 0.2s var(--ease); } }
  .service-card__inner:hover .service-card__more .icon { translate: 0.25rem 0; }
  .service-card__todo { position: relative; z-index: 2; font-size: var(--step--2); }
  .stretched::after { content: ""; position: absolute; inset: 0; z-index: 1; border-radius: inherit; }
  .stretched:focus-visible { outline: none; }
  .stretched:focus-visible::after { outline: 3px solid var(--c-focus); outline-offset: 2px; border-radius: var(--radius-lg); }
  @media (max-width: 39.99em) {
    .service-grid { gap: 0.75rem; }
    .service-card__inner { display: grid; grid-template-columns: auto 1fr; column-gap: 1rem; row-gap: 0.3rem; padding: 1.1rem 1.1rem 1rem; }
    .service-card__top { grid-row: 1 / span 5; margin: 0; }
    .service-card__icon { inline-size: 2.75rem; block-size: 2.75rem; & .icon { inline-size: 1.5rem; block-size: 1.5rem; } }
    .service-card__num { position: absolute; inset-block-start: 1.1rem; inset-inline-end: 1.1rem; padding: 0; }
    .service-card__need { padding-inline-end: 2rem; }
    .service-card__more { display: none; }
  }
  @container (min-width: 34rem) {
    .service-card__inner { display: grid; grid-template-columns: auto 1fr; column-gap: 1.5rem; align-content: start; padding: 1.75rem; }
    .service-card__top { grid-row: 1 / span 5; flex-direction: column; gap: 0.75rem; }
    .service-card__title { font-size: var(--step-2); }
  }

  /* ---------- Blocco il geometra ---------- */
  .geometra { display: grid; gap: clamp(2.5rem, 5vw, 5rem); align-items: center; }
  @media (min-width: 64em) { .geometra { grid-template-columns: 5fr 6fr; } }
  .frame {
    position: relative; isolation: isolate; margin: 0 0.9rem 0.9rem 0;
    &::before { content: ""; position: absolute; inset: 0.9rem -0.9rem -0.9rem 0.9rem; z-index: -1; border: 1.5px solid var(--c-primary); border-radius: 2px; }
    & img { border-radius: 2px; }
  }
  .geometra__body .prose { margin-block-start: 1.25rem; }
  .facts {
    display: grid; gap: 1rem; margin-block-start: 1.75rem; padding-block-start: 1.25rem; border-block-start: 1px solid var(--c-line);
    & dt { font: 500 var(--step--2)/1.2 var(--font-mono); text-transform: uppercase; letter-spacing: 0.1em; color: var(--c-muted); }
    & dd { margin-block-start: 0.3rem; font-weight: 620; color: var(--c-ink); line-height: 1.35; font-size: var(--step--1); }
  }
  @media (min-width: 40em) { .facts { grid-template-columns: repeat(3, 1fr); } }

  /* ---------- Passi / metodo ---------- */
  .steps { display: grid; gap: 2rem 1.5rem; counter-reset: step; }
  @media (min-width: 40em) { .steps { grid-template-columns: repeat(2, 1fr); } }
  @media (min-width: 64em) { .steps { grid-template-columns: repeat(4, 1fr); } }
  .step {
    position: relative; padding-block-start: 1.5rem;
    border-block-start: 1px solid var(--c-line-strong);
    &::before { content: ""; position: absolute; inset-block-start: -0.35rem; inset-inline-start: 0; inline-size: 1px; block-size: 0.7rem; background: currentColor; opacity: 0.6; }
  }
  .step__num { display: block; margin-block-end: 0.75rem; font: 500 var(--step-3)/1 var(--font-mono); color: var(--c-primary); letter-spacing: -0.03em; }
  .step__title { font-size: var(--step-1); margin-block-end: 0.5rem; }
  .step__text { font-size: var(--step--1); line-height: 1.6; }
  .surface-dark {
    & .step { border-color: rgb(255 255 255 / 0.28); }
    & .step__num { color: var(--c-accent-light); }
    & .step__text { color: var(--c-on-dark-muted); }
  }

  /* ---------- Chip (comuni, tag) ---------- */
  .chips { display: flex; flex-wrap: wrap; gap: 0.5rem; }
  .chip { display: inline-flex; align-items: center; gap: 0.35rem; padding: 0.35rem 0.8rem; border: 1px solid var(--c-line-strong); border-radius: 99px; background: #fff; font-size: var(--step--1); color: var(--c-ink);
    & .icon { color: var(--c-primary); inline-size: 1em; block-size: 1em; } }
  .chip--primary { background: var(--c-primary); border-color: var(--c-primary); color: #fff; & .icon { color: #fff; } }

  /* ---------- FAQ ---------- */
  .faq-list { display: grid; gap: 0.75rem; }
  .faq-item { background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius-lg); transition: border-color 0.2s, box-shadow 0.2s; }
  .faq-item[open] { border-color: var(--c-line-strong); box-shadow: var(--shadow-sm); }
  .faq-item__summary {
    display: flex; align-items: center; justify-content: space-between; gap: 1rem;
    padding: 1.1rem 1.25rem; cursor: pointer; list-style: none; border-radius: inherit;
    &::-webkit-details-marker { display: none; }
    &:hover .faq-item__q { color: var(--c-primary); }
  }
  .faq-item__q { margin: 0; font-size: var(--step-1); font-weight: 650; line-height: 1.3; transition: color 0.15s; }
  .faq-item__toggle {
    position: relative; flex: none; inline-size: 2rem; block-size: 2rem; border: 1.5px solid var(--c-line-strong); border-radius: 50%;
    &::before, &::after { content: ""; position: absolute; inset: 50% auto auto 50%; inline-size: 0.75rem; block-size: 1.5px; background: var(--c-primary); translate: -50% -50%; transition: rotate 0.25s var(--ease); }
    &::after { rotate: 90deg; }
  }
  .faq-item[open] .faq-item__toggle { border-color: var(--c-primary); &::after { rotate: 0deg; } }
  .faq-item__badge { padding: 0 1.25rem 0.5rem; }
  .faq-item__body { padding: 0 1.25rem 1.35rem; max-inline-size: none; font-size: var(--step-0); }
  .faq-item--open { padding: 1.35rem 1.25rem 0; & .faq-item__q { margin-block-end: 0.75rem; } & .faq-item__badge { padding: 0 0 0.75rem; } & .faq-item__body { padding: 0 0 1.35rem; } }
  .faq-item__short { font-size: var(--step-0); }
  .faq-meta {
    display: flex; flex-wrap: wrap; gap: 0.35rem 1.25rem; margin-block-start: 1.25rem; padding-block-start: 0.85rem;
    border-block-start: 1px dashed var(--c-line-strong); font-size: var(--step--2); line-height: 1.5; color: var(--c-muted);
  }
  @media (prefers-reduced-motion: no-preference) {
    .faq-item::details-content { block-size: 0; overflow: clip; transition: block-size 0.35s var(--ease), content-visibility 0.35s allow-discrete; }
    .faq-item[open]::details-content { block-size: auto; }
  }

  .faq-teasers { display: grid; gap: 1rem; list-style: none; padding: 0; }
  @media (min-width: 64em) { .faq-teasers { grid-template-columns: 1fr 1fr; } }
  .faq-teaser {
    display: flex; flex-direction: column; gap: 0.6rem;
    padding: 1.35rem 1.35rem 1.2rem; background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius-lg);
    border-inline-start: 3px solid var(--c-primary);
  }
  .faq-teaser__q { font-size: var(--step-1); line-height: 1.3; }
  .faq-teaser__a { font-size: var(--step--1); line-height: 1.6; }
  .faq-teaser__foot { margin-block-start: auto; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 0.5rem 1rem; padding-block-start: 0.35rem; font-size: var(--step--1); }

  /* ---------- Author box ---------- */
  .author-box {
    display: flex; gap: 1rem; align-items: center; margin-block: 2rem; padding: 1rem 1.25rem;
    background: var(--c-stone); border: 1px solid var(--c-line); border-radius: var(--radius-lg);
  }
  .author-box__img { flex: none; inline-size: 4.5rem; block-size: 4.5rem; border-radius: 50%; overflow: hidden; border: 2px solid #fff; box-shadow: 0 0 0 1.5px var(--c-primary);
    & img { inline-size: 100%; block-size: 100%; object-fit: cover; object-position: 50% 25%; } }
  .author-box__name { font-weight: 680; color: var(--c-ink); line-height: 1.35; }
  .author-box__role, .author-box__date { font-size: var(--step--1); color: var(--c-muted); line-height: 1.45; }
  .author-box__date { font-family: var(--font-mono); font-size: var(--step--2); letter-spacing: 0.04em; margin-block-start: 0.2rem; }

  /* ---------- Callout ---------- */
  .callout {
    --callout: var(--c-primary);
    padding: 1.1rem 1.25rem; border-inline-start: 3px solid var(--callout); border-radius: 0 var(--radius) var(--radius) 0;
    background: color-mix(in srgb, var(--callout) 6%, white);
    & > * + * { margin-block-start: 0.5em; }
  }
  .callout__title { display: flex; align-items: center; gap: 0.5rem; font-weight: 700; color: var(--c-ink); & .icon { color: var(--callout); } }
  .callout--info { --callout: #2F5E8A; }
  .callout--warn { --callout: #9A6700; }

  /* ---------- Tabella ---------- */
  .table-wrap { overflow-x: auto; border: 1px solid var(--c-line); border-radius: var(--radius-lg); background: #fff; -webkit-overflow-scrolling: touch; }
  .table { inline-size: 100%; font-size: var(--step--1); line-height: 1.5;
    & caption { padding: 0.85rem 1rem; text-align: start; font-weight: 650; color: var(--c-ink); caption-side: top; }
    & th, & td { padding: 0.8rem 1rem; text-align: start; vertical-align: top; border-block-end: 1px solid var(--c-line); }
    & thead th { background: var(--c-stone); color: var(--c-ink); font-weight: 650; white-space: nowrap; }
    & tbody tr:last-child > * { border-block-end: 0; }
    & tbody th { color: var(--c-ink); font-weight: 620; }
  }
  @media (max-width: 39.99em) {
    .table--stack {
      & thead { position: absolute; inline-size: 1px; block-size: 1px; overflow: hidden; clip-path: inset(50%); }
      & tr { display: block; padding: 0.5rem 0; border-block-end: 1px solid var(--c-line); }
      & tbody tr:last-child { border-block-end: 0; }
      & :is(td, tbody th) { display: grid; grid-template-columns: minmax(6.5rem, 38%) 1fr; gap: 0.75rem; padding: 0.35rem 1rem; border: 0; }
      & :is(td, tbody th)::before { content: attr(data-label); font: 500 var(--step--2)/1.5 var(--font-mono); text-transform: uppercase; letter-spacing: 0.06em; color: var(--c-muted); }
    }
  }

  /* ---------- Page hero (pagine interne) ---------- */
  .page-hero {
    position: relative; isolation: isolate; overflow: hidden;
    padding-block: clamp(2rem, 5vw, 4.5rem) clamp(2.5rem, 5vw, 4.5rem);
  }
  .page-hero__media { position: absolute; inset: 0; z-index: -2;
    & picture, & img { inline-size: 100%; block-size: 100%; } & img { object-fit: cover; } }
  .page-hero--photo::before { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg, rgb(22 25 27 / 0.72), rgb(22 25 27 / 0.9)); }
  @media (min-width: 64em) { .page-hero--photo::before { background: linear-gradient(90deg, rgb(22 25 27 / 0.93) 0%, rgb(22 25 27 / 0.8) 45%, rgb(22 25 27 / 0.35) 100%); } }
  @media (max-width: 63.99em) { .page-hero--grid::after { display: none; } }
  .page-hero--grid::after { content: ""; position: absolute; inset-block: 0; inset-inline-end: -4rem; z-index: -1; inline-size: min(36rem, 60%);
    background: linear-gradient(135deg, transparent 49.6%, rgb(244 160 151 / 0.35) 49.6% 50.4%, transparent 50.4%); opacity: 0.6; pointer-events: none; }
  .page-hero__title { font-size: var(--step-4); font-weight: 780; line-height: 1.08; letter-spacing: -0.025em; text-wrap: balance; max-inline-size: 24ch; color: #fff; }
  .page-hero__lead { margin-block-start: 1.1rem; max-inline-size: 64ch; font-size: var(--step-1); line-height: 1.55; color: rgb(255 255 255 / 0.88); & > * + * { margin-block-start: 0.75em; } }
  .page-hero__meta { margin-block-start: 1.5rem; font: 500 var(--step--2)/1.3 var(--font-mono); letter-spacing: 0.08em; text-transform: uppercase; color: rgb(255 255 255 / 0.65); }

  /* ---------- Split: testo + immagine ---------- */
  .split { display: grid; gap: clamp(2rem, 5vw, 4.5rem); align-items: center; }
  @media (min-width: 64em) { .split { grid-template-columns: 1fr 1fr; } .split--reverse > :first-child { order: 2; } }
  .figure { & img { border-radius: var(--radius); } & figcaption { margin-block-start: 0.6rem; font-size: var(--step--1); color: var(--c-muted); } }

  /* ---------- Galleria + lightbox ---------- */
  .gallery { display: grid; gap: 0.75rem; grid-template-columns: repeat(auto-fill, minmax(min(100%, 15rem), 1fr)); }
  .gallery--2 { grid-template-columns: repeat(auto-fill, minmax(min(100%, 22rem), 1fr)); }
  .gallery--4 { grid-template-columns: repeat(auto-fill, minmax(min(100%, 12rem), 1fr)); }
  .gallery__link { position: relative; display: block; overflow: hidden; border-radius: var(--radius);
    & img { aspect-ratio: 4 / 3; inline-size: 100%; object-fit: cover; transition: scale 0.5s var(--ease); }
    &:hover img { scale: 1.04; } }
  .gallery__zoom { position: absolute; inset-block-end: 0.6rem; inset-inline-end: 0.6rem; display: grid; place-items: center; inline-size: 2.25rem; block-size: 2.25rem; border-radius: 50%; background: rgb(255 255 255 / 0.92); color: var(--c-ink); opacity: 0.9; }
  .gallery__cap { margin-block-start: 0.4rem; font-size: var(--step--1); color: var(--c-muted); }
  .lightbox {
    inline-size: min(100% - 1.5rem, 78rem); max-inline-size: none; max-block-size: 94dvh; margin: auto; padding: 0;
    border: 0; background: transparent; color: #fff; overflow: visible;
    &::backdrop { background: rgb(14 16 18 / 0.92); }
    & figure { display: grid; gap: 0.75rem; justify-items: center; }
    & img { max-block-size: calc(94dvh - 6rem); inline-size: auto; border-radius: var(--radius); box-shadow: var(--shadow-lg); }
    & figcaption { max-inline-size: 60ch; text-align: center; font-size: var(--step--1); color: rgb(255 255 255 / 0.85); }
  }
  .lightbox__bar { display: flex; justify-content: center; gap: 0.5rem; margin-block-start: 0.75rem; }
  .lightbox__btn { display: inline-grid; place-items: center; inline-size: 2.75rem; block-size: 2.75rem; border: 1px solid rgb(255 255 255 / 0.4); border-radius: 50%; background: rgb(0 0 0 / 0.35); color: #fff; &:hover { background: #fff; color: var(--c-ink); } }
  @media (prefers-reduced-motion: no-preference) {
    .lightbox[open] { animation: fade-up 0.3s var(--ease); }
  }

  /* ---------- Contact card & mappa ---------- */
  .contact-card { padding: clamp(1.35rem, 3vw, 2rem); background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius-lg); }
  .contact-card__title { font-size: var(--step-1); margin-block-end: 1.1rem; }
  .contact-list { display: grid; gap: 1rem; list-style: none; padding: 0;
    & li { display: flex; gap: 0.85rem; line-height: 1.45; }
    & li > .icon { margin-block-start: 0.15rem; color: var(--c-primary); }
    & a { font-weight: 600; overflow-wrap: anywhere; } }
  .contact-list__k { display: block; font: 500 var(--step--2)/1.3 var(--font-mono); text-transform: uppercase; letter-spacing: 0.08em; color: var(--c-muted); margin-block-end: 0.15rem; }

  .map-facade {
    position: relative; display: grid; grid-template-rows: minmax(10rem, 1fr) auto; overflow: hidden;
    border: 1px solid var(--c-line); border-radius: var(--radius-lg); background: var(--c-stone);
    & iframe { position: absolute; inset: 0; inline-size: 100%; block-size: 100%; border: 0; }
  }
  .map-facade__art {
    position: relative; min-block-size: 10rem;
    background-color: #EDEAE4;
    background-image:
      linear-gradient(118deg, transparent 46%, #fff 46% 48.5%, transparent 48.5%),
      linear-gradient(28deg, transparent 58%, #fff 58% 60%, transparent 60%),
      linear-gradient(170deg, transparent 30%, rgb(255 255 255 / 0.8) 30% 31.2%, transparent 31.2%),
      linear-gradient(rgb(160 42 42 / 0.07) 1px, transparent 1px),
      linear-gradient(90deg, rgb(160 42 42 / 0.07) 1px, transparent 1px);
    background-size: auto, auto, auto, 24px 24px, 24px 24px;
  }
  .map-facade__pin { position: absolute; inset: 42% auto auto 50%; translate: -50% -50%; display: grid; place-items: center; inline-size: 3.75rem; block-size: 3.75rem; border-radius: 50%; background: var(--c-primary); color: #fff; box-shadow: 0 0 0 10px rgb(160 42 42 / 0.15), var(--shadow);
    & .icon { inline-size: 1.9rem; block-size: 1.9rem; } }
  .map-facade__body { position: relative; padding: 1.1rem 1.25rem 1.25rem; background: #fff; border-block-start: 1px solid var(--c-line); display: grid; gap: 0.75rem; justify-items: start; }
  .map-facade__addr { line-height: 1.45; font-size: var(--step--1); }
  .map-facade__note { font-size: var(--step--2); color: var(--c-muted); line-height: 1.45; }
  @media (min-width: 40em) {
    .map-facade { display: block; aspect-ratio: var(--ratio, 4 / 3); }
    .map-facade__art { position: absolute; inset: 0; }
    .map-facade__pin { inset: 34% auto auto 72%; }
    .map-facade__body { position: absolute; inset-inline-start: 1rem; inset-block-end: 1rem; max-inline-size: 21rem; border: 1px solid var(--c-line); border-radius: var(--radius-lg); box-shadow: var(--shadow); }
  }
  .map-facade.is-loaded { display: block; aspect-ratio: var(--ratio, 4 / 3); inline-size: 100%; & .map-facade__art, & .map-facade__body { display: none; } }

  /* ---------- Banda CTA ---------- */
  .cta-band {
    position: relative; isolation: isolate; overflow: hidden;
    padding-block: clamp(3rem, 2rem + 4vw, 5.5rem);
    background: var(--c-primary); color: #fff; --c-focus: #fff;
    &::before {
      content: ""; position: absolute; z-index: -1; inline-size: 34rem; aspect-ratio: 1;
      inset-block-start: 55%; inset-inline-end: -10rem;
      border-block-start: 3.5rem solid rgb(255 255 255 / 0.07); border-inline-start: 3.5rem solid rgb(255 255 255 / 0.07);
      rotate: 45deg;
    }
    & :is(h2, h3, strong) { color: #fff; }
    & p { color: rgb(255 255 255 / 0.9); }
  }
  .cta-band__inner { display: grid; gap: 1.75rem; align-items: center; }
  .cta-band__title { font-size: var(--step-3); margin-block-end: 0.75rem; max-inline-size: 22ch; }
  .cta-band__actions { display: flex; flex-wrap: wrap; gap: 0.75rem; align-items: center; & .link-arrow { flex-basis: 100%; } }
  @media (max-width: 39.99em) { .cta-band__actions .btn { flex: 1 1 100%; } }
  @media (min-width: 64em) { .cta-band__inner { grid-template-columns: 1.2fr 1fr; gap: 3rem; } }

  /* ---------- Footer ---------- */
  .site-footer { padding-block: clamp(3.5rem, 6vw, 5rem) 1.75rem; font-size: var(--step--1); line-height: 1.6; }
  .footer-grid { display: grid; gap: 2.5rem; }
  @media (min-width: 40em) { .footer-grid { grid-template-columns: 1fr 1fr; } .footer-brand { grid-column: 1 / -1; } }
  @media (min-width: 64em) { .footer-grid { grid-template-columns: 1.55fr 1fr 1fr 1.35fr; gap: 3rem; } .footer-brand { grid-column: auto; } }
  .footer-brand { & > p { margin-block-start: 1.25rem; max-inline-size: 42ch; color: var(--c-on-dark-muted); } }
  .footer-brand__logo { display: inline-block; inline-size: 15rem; max-inline-size: 100%; }
  .footer-albo { display: flex; gap: 0.6rem; & .icon { margin-block-start: 0.2em; color: var(--c-accent-light); } }
  .footer-title { margin-block-end: 1rem; font: 500 var(--step--2)/1.2 var(--font-mono); text-transform: uppercase; letter-spacing: 0.12em; color: var(--c-accent-light) !important; }
  .footer-col {
    & ul { display: grid; gap: 0.1rem; list-style: none; padding: 0; }
    & li > a:not(.btn) { padding-block: 0.3rem; min-block-size: 2rem; }
    & a:not(.btn) { color: var(--c-on-dark); text-decoration: none; display: inline-flex; align-items: center; gap: 0.4rem; }
    & a:not(.btn):hover { color: #fff; text-decoration: underline; }
  }
  .footer-contacts address { display: grid; gap: 0.7rem; & p { display: flex; gap: 0.6rem; } & .icon { margin-block-start: 0.2em; color: var(--c-accent-light); } & small { color: var(--c-on-dark-muted); } }
  .footer-legal {
    display: grid; gap: 0.35rem; margin-block-start: 3rem; padding-block-start: 1.5rem;
    border-block-start: 1px solid rgb(255 255 255 / 0.14); font-size: var(--step--2); color: var(--c-on-dark-muted);
    & a:not(.btn) { color: var(--c-on-dark); }
  }

  /* ---------- Barra d'azione mobile ---------- */
  .action-bar {
    position: fixed; z-index: 60; inset-inline: 0; inset-block-end: 0;
    display: grid; grid-template-columns: repeat(3, 1fr);
    padding-block-end: env(safe-area-inset-bottom); padding-inline: env(safe-area-inset-left) env(safe-area-inset-right);
    background: rgb(31 35 38 / 0.97); backdrop-filter: blur(10px);
    border-block-start: 1px solid rgb(255 255 255 / 0.08);
    view-transition-name: action-bar;
  }
  .action-bar__item {
    display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 0.2rem;
    min-block-size: var(--action-bar-h); color: #fff; text-decoration: none; font-size: 0.8125rem; font-weight: 600;
    & + & { border-inline-start: 1px solid rgb(255 255 255 / 0.1); }
    & .icon { inline-size: 1.35rem; block-size: 1.35rem; }
    &:hover, &:active { background: rgb(255 255 255 / 0.06); color: #fff; }
  }
  .action-bar__item--wa .icon { color: var(--c-wa); }
  .action-bar__item:first-child { background: var(--c-primary); }
  @media (min-width: 64em) { .action-bar { display: none; } }

  /* ---------- Immagini ---------- */
  .media { display: block; & img { inline-size: 100%; } }
  .img-ph {
    display: grid; place-items: center; align-content: center; gap: 0.5rem;
    inline-size: 100%; background: var(--c-stone-2); color: var(--c-muted);
    background-image: linear-gradient(rgb(160 42 42 / 0.06) 1px, transparent 1px), linear-gradient(90deg, rgb(160 42 42 / 0.06) 1px, transparent 1px);
    background-size: 12px 12px; border-radius: var(--radius);
    & .icon { inline-size: 2.5rem; block-size: 2.5rem; color: var(--c-primary); opacity: 0.6; }
  }
  .img-ph__label { font: 500 var(--step--2)/1.3 var(--font-mono); text-align: center; padding-inline: 1rem; }

  /* ---------- Modulo (base per /contatti) ---------- */
  .form { display: grid; gap: 1.1rem; }
  .field { display: grid; gap: 0.35rem;
    & label { font-weight: 620; color: var(--c-ink); font-size: var(--step--1); }
    & :is(input:not([type=checkbox], [type=radio]), select, textarea) {
      inline-size: 100%; min-block-size: 3rem; padding: 0.7rem 0.85rem;
      border: 1.5px solid var(--c-line-strong); border-radius: var(--radius); background: #fff; color: var(--c-ink); font-size: 1rem;
      &:hover { border-color: var(--c-muted); }
      &:focus-visible { outline: 3px solid color-mix(in srgb, var(--c-primary) 35%, transparent); outline-offset: 0; border-color: var(--c-primary); }
      &:user-invalid { border-color: #B3261E; }
    }
    & textarea { min-block-size: 8rem; resize: vertical; }
  }
  .field__hint { font-size: var(--step--2); color: var(--c-muted); }
  .check { display: flex; gap: 0.6rem; align-items: flex-start; font-size: var(--step--1);
    & input { inline-size: 1.25rem; block-size: 1.25rem; margin-block-start: 0.15rem; accent-color: var(--c-primary); flex: none; } }
  .hp { position: absolute !important; inset-inline-start: -9999px; }

  /* ---------- Comparsa allo scroll (solo se supportata e senza reduced motion) ---------- */
  @keyframes fade-up { from { opacity: 0; translate: 0 1.25rem; } }
  @supports (animation-timeline: view()) {
    @media (prefers-reduced-motion: no-preference) {
      .reveal { animation: fade-up linear both; animation-timeline: view(); animation-range: entry 0% entry 55%; }
    }
  }
  @media (prefers-reduced-motion: no-preference) {
    .hero__inner > * { animation: fade-up 0.8s var(--ease) both; }
    .hero__inner > :nth-child(2) { animation-delay: 0.08s; }
    .hero__inner > :nth-child(3) { animation-delay: 0.16s; }
    .hero__inner > :nth-child(4) { animation-delay: 0.24s; }
    .hero__inner > :nth-child(5) { animation-delay: 0.32s; }
  }
}

/* ========================================================================== */
@layer utilities {
  .sr-only {
    position: absolute !important; inline-size: 1px !important; block-size: 1px !important;
    padding: 0 !important; margin: -1px !important; overflow: hidden !important;
    clip-path: inset(50%) !important; white-space: nowrap !important; border: 0 !important;
  }
  .text-center { text-align: center; }
  .muted { color: var(--c-muted); }
  .mono { font-family: var(--font-mono); font-weight: 500; }
  .mt-0 { margin-block-start: 0 !important; }
  .mt-2 { margin-block-start: 2rem !important; }
  .mb-0 { margin-block-end: 0 !important; }
  .max-prose { max-inline-size: 68ch; }
  .no-wrap { white-space: nowrap; }
}

/* ---------- Stampa ---------- */
@media print {
  .site-header, .action-bar, .demo-badge, .map-facade, .cta-band__actions, .skip-link { display: none !important; }
  body.page { padding: 0; }
  .surface-dark, .cta-band, .hero { background: none !important; color: #000 !important; }
  .surface-dark *, .cta-band *, .hero * { color: #000 !important; }
  .todo::after { display: none !important; }
  details:not([open]) > :not(summary) { display: block; }
  a[href^="http"]::after { content: " (" attr(href) ")"; font-size: 0.8em; }
}