/* ==========================================================================
   calcare.it — water blue (2026)
   Stack: OKLCH palette · Fraunces + Inter Tight · @layer cascade
   Best practice: container queries · light-dark() · view transitions
   ========================================================================== */

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

/* ==========================================================================
   FONTS — variable, opsz aware
   ========================================================================== */
@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght,SOFT@9..144,300..700,0..100&family=Inter+Tight:wght@400;500;600;700&display=swap');

/* ==========================================================================
   @layer tokens — design tokens OKLCH
   ========================================================================== */
@layer tokens {
  :root {
    color-scheme: light dark;

    /* Palette light — water/cool blue (calcare 2026) */
    --c-bg-l:        oklch(98.6% 0.008 220);
    --c-bg-soft-l:   oklch(96.5% 0.014 220);
    --c-bg-deep-l:   oklch(92% 0.022 218);
    --c-card-l:      oklch(100% 0 0);
    --c-fg-l:        oklch(22% 0.020 232);
    --c-fg-soft-l:   oklch(38% 0.020 230);
    --c-muted-l:     oklch(58% 0.012 225);
    --c-line-l:      oklch(91% 0.014 220);
    --c-line-soft-l: oklch(95% 0.010 220);

    /* "sage" qui rinominato concettualmente in "wave" (accent primario blu acqua) */
    --c-sage-l:        oklch(55% 0.135 232);
    --c-sage-strong-l: oklch(43% 0.155 235);
    --c-sage-soft-l:   oklch(94% 0.035 222);
    /* "peach" qui = ciano chiaro brillante (accent secondario fresco) */
    --c-peach-l:       oklch(74% 0.115 200);
    --c-peach-strong-l:oklch(60% 0.150 205);
    --c-peach-soft-l:  oklch(94% 0.040 200);
    --c-rose-l:        oklch(78% 0.075 190);
    --c-honey-l:       oklch(82% 0.085 195);
    --c-warn-l:        oklch(72% 0.130 70);
    --c-bad-l:         oklch(60% 0.180 25);
    --c-ok-l:          oklch(60% 0.130 195);

    /* Palette dark — deep ocean (non grigio piatto) */
    --c-bg-d:        oklch(15% 0.020 232);
    --c-bg-soft-d:   oklch(19% 0.024 232);
    --c-bg-deep-d:   oklch(12% 0.018 232);
    --c-card-d:      oklch(22% 0.022 232);
    --c-fg-d:        oklch(94% 0.014 220);
    --c-fg-soft-d:   oklch(78% 0.014 220);
    --c-muted-d:     oklch(60% 0.012 225);
    --c-line-d:      oklch(28% 0.020 232);
    --c-line-soft-d: oklch(24% 0.016 232);

    --c-sage-d:        oklch(75% 0.145 222);
    --c-sage-strong-d: oklch(84% 0.150 218);
    --c-sage-soft-d:   oklch(28% 0.060 232);
    --c-peach-d:       oklch(80% 0.115 200);
    --c-peach-strong-d:oklch(86% 0.130 200);
    --c-peach-soft-d:  oklch(28% 0.055 200);
    --c-rose-d:        oklch(72% 0.075 190);
    --c-honey-d:       oklch(82% 0.100 195);
    --c-warn-d:        oklch(80% 0.130 75);
    --c-bad-d:         oklch(72% 0.165 25);
    --c-ok-d:          oklch(75% 0.115 195);

    /* Tokens via light-dark() — supporto chrome 123+, safari 17.5+, firefox 120+ */
    --c-bg:        light-dark(var(--c-bg-l), var(--c-bg-d));
    --c-bg-soft:   light-dark(var(--c-bg-soft-l), var(--c-bg-soft-d));
    --c-bg-deep:   light-dark(var(--c-bg-deep-l), var(--c-bg-deep-d));
    --c-card:      light-dark(var(--c-card-l), var(--c-card-d));
    --c-fg:        light-dark(var(--c-fg-l), var(--c-fg-d));
    --c-fg-soft:   light-dark(var(--c-fg-soft-l), var(--c-fg-soft-d));
    --c-muted:     light-dark(var(--c-muted-l), var(--c-muted-d));
    --c-line:      light-dark(var(--c-line-l), var(--c-line-d));
    --c-line-soft: light-dark(var(--c-line-soft-l), var(--c-line-soft-d));

    --c-sage:         light-dark(var(--c-sage-l), var(--c-sage-d));
    --c-sage-strong:  light-dark(var(--c-sage-strong-l), var(--c-sage-strong-d));
    --c-sage-soft:    light-dark(var(--c-sage-soft-l), var(--c-sage-soft-d));
    --c-peach:        light-dark(var(--c-peach-l), var(--c-peach-d));
    --c-peach-strong: light-dark(var(--c-peach-strong-l), var(--c-peach-strong-d));
    --c-peach-soft:   light-dark(var(--c-peach-soft-l), var(--c-peach-soft-d));
    --c-rose:         light-dark(var(--c-rose-l), var(--c-rose-d));
    --c-honey:        light-dark(var(--c-honey-l), var(--c-honey-d));
    --c-warn:         light-dark(var(--c-warn-l), var(--c-warn-d));
    --c-bad:          light-dark(var(--c-bad-l), var(--c-bad-d));
    --c-ok:           light-dark(var(--c-ok-l), var(--c-ok-d));

    /* Alias semantici */
    --c-accent:        var(--c-sage);
    --c-accent-strong: var(--c-sage-strong);
    --c-accent-soft:   var(--c-sage-soft);
    --c-cta:           var(--c-peach-strong);
    --c-cta-soft:      var(--c-peach-soft);

    /* Tipografia variable */
    --font-display: 'Fraunces', 'Times New Roman', Georgia, serif;
    --font-body:    'Inter Tight', -apple-system, 'Segoe UI', Roboto, sans-serif;

    /* Spazi fluidi (clamp tra mobile e desktop) */
    --space-3xs: clamp(.25rem, .15rem + .25vw, .35rem);
    --space-2xs: clamp(.5rem, .35rem + .5vw, .75rem);
    --space-xs:  clamp(.75rem, .55rem + .75vw, 1rem);
    --space-sm:  clamp(1rem, .8rem + 1vw, 1.5rem);
    --space-md:  clamp(1.5rem, 1.2rem + 1.5vw, 2.25rem);
    --space-lg:  clamp(2.25rem, 1.7rem + 2.5vw, 3.5rem);
    --space-xl:  clamp(3.5rem, 2.4rem + 4vw, 5.5rem);
    --space-2xl: clamp(5rem, 3.2rem + 6vw, 8rem);

    /* Forme */
    --radius:    18px;
    --radius-sm: 10px;
    --radius-md: 22px;
    --radius-lg: 32px;
    --radius-xl: 48px;
    --radius-pill: 999px;

    --maxw: 1200px;

    /* Soft multi-layer shadows */
    --shadow-xs: 0 1px 2px oklch(20% 0.02 168 / .04);
    --shadow-sm: 0 2px 4px oklch(20% 0.02 168 / .04), 0 8px 16px oklch(20% 0.02 168 / .04);
    --shadow-md: 0 4px 8px oklch(20% 0.02 168 / .05), 0 16px 32px oklch(20% 0.02 168 / .06);
    --shadow-lg: 0 8px 16px oklch(20% 0.02 168 / .06), 0 32px 64px oklch(20% 0.02 168 / .10);
    --shadow-glow: 0 0 0 1px oklch(98% 0.012 80 / .6) inset, 0 12px 36px oklch(54% 0.090 162 / .15);

    /* Easing & duration */
    --ease-out:   cubic-bezier(.2, .8, .2, 1);
    --ease-in-out:cubic-bezier(.6, 0, .35, 1);
    --t-fast:     160ms var(--ease-out);
    --t-base:     280ms var(--ease-out);
    --t-slow:     520ms var(--ease-out);
  }

  [data-theme="light"] { color-scheme: light; }
  [data-theme="dark"]  { color-scheme: dark; }
}

/* ==========================================================================
   @layer reset — minimal modern reset
   ========================================================================== */
@layer reset {
  *, *::before, *::after { box-sizing: border-box; }
  * { margin: 0; }
  html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
  @media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
  body { line-height: 1.6; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
  img, svg, video { display: block; max-width: 100%; height: auto; }
  input, button, textarea, select { font: inherit; color: inherit; }
  button { background: none; border: 0; cursor: pointer; padding: 0; }
  ul[role="list"] { list-style: none; padding: 0; }
}

/* ==========================================================================
   @layer base — body, type, links
   ========================================================================== */
@layer base {
  html { view-transition-name: root; }

  body {
    font-family: var(--font-body);
    color: var(--c-fg);
    background: var(--c-bg);
    font-size: 17px;
    accent-color: var(--c-accent);
    overflow-x: clip;
    text-underline-offset: 4px;
  }

  /* Aurora di sfondo SUL BODY — non dominante, dà calore */
  body::before {
    content: '';
    position: fixed; inset: 0;
    pointer-events: none;
    z-index: -1;
    background:
      radial-gradient(60vw 70vh at 92% -10%, var(--c-peach-soft) 0%, transparent 60%),
      radial-gradient(50vw 60vh at -10% 5%, var(--c-sage-soft) 0%, transparent 55%),
      radial-gradient(40vw 50vh at 80% 110%, var(--c-honey) 0%, transparent 60%);
    opacity: .55;
    transition: opacity var(--t-slow);
  }
  [data-theme="dark"] body::before { opacity: .25; }

  h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 500;
    line-height: 1.08;
    letter-spacing: -.02em;
    color: var(--c-fg);
    font-variation-settings: "opsz" 144, "SOFT" 50;
  }
  h1 {
    font-size: clamp(2.4rem, 5vw + .5rem, 4.6rem);
    font-weight: 400;
    letter-spacing: -.035em;
    font-variation-settings: "opsz" 144, "SOFT" 70, "wght" 380;
  }
  h2 {
    font-size: clamp(1.7rem, 2.4vw + .8rem, 2.6rem);
    font-weight: 450;
    letter-spacing: -.025em;
    font-variation-settings: "opsz" 96, "SOFT" 60;
  }
  h3 {
    font-size: clamp(1.2rem, 1vw + 1rem, 1.55rem);
    font-weight: 500;
    font-variation-settings: "opsz" 36, "SOFT" 50;
  }
  h4 { font-size: 1.1rem; font-weight: 500; }
  p  { line-height: 1.65; }

  a {
    color: var(--c-fg);
    text-decoration: underline;
    text-decoration-color: oklch(from var(--c-accent) l c h / .35);
    text-decoration-thickness: 1px;
    transition: text-decoration-color var(--t-fast), color var(--t-fast);
  }
  a:hover { text-decoration-color: var(--c-accent); color: var(--c-fg); }

  ::selection { background: oklch(from var(--c-accent) l c h / .25); color: var(--c-fg); }

  :focus-visible {
    outline: 2px solid var(--c-accent);
    outline-offset: 3px;
    border-radius: 6px;
  }

  hr {
    border: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--c-line), transparent);
    margin: var(--space-md) 0;
  }
}

/* ==========================================================================
   @layer layout — container, grid helpers
   ========================================================================== */
@layer layout {
  .container {
    max-width: var(--maxw);
    margin-inline: auto;
    padding-inline: clamp(1.25rem, 3vw, 2rem);
  }
  .stack > * + * { margin-top: var(--space-sm); }
  .skip-link {
    position: absolute; left: -9999px; top: 0;
    background: var(--c-fg); color: var(--c-bg);
    padding: .7rem 1.1rem; border-radius: var(--radius-sm); z-index: 999;
  }
  .skip-link:focus { left: 1rem; top: 1rem; text-decoration: none; }

  section.container, .container > section {
    padding-block: var(--space-lg) var(--space-2xs);
  }
  .section-head {
    display: flex; flex-wrap: wrap; gap: var(--space-sm);
    justify-content: space-between; align-items: baseline;
    margin-bottom: var(--space-md);
  }
  .section-head h2 { margin: 0; }
  .section-head a {
    font-family: var(--font-body);
    font-size: .92rem; font-weight: 500;
    color: var(--c-accent-strong);
    text-decoration: none;
    display: inline-flex; align-items: center; gap: .35rem;
    padding: .5rem .9rem; border-radius: var(--radius-pill);
    background: var(--c-accent-soft);
    transition: background var(--t-fast), gap var(--t-base);
  }
  .section-head a:hover { gap: .65rem; background: oklch(from var(--c-accent-soft) calc(l - .03) c h); }
}

/* ==========================================================================
   @layer components — header, hero, cards, buttons, ...
   ========================================================================== */
@layer components {

  /* ------------------------------------------------------------------------
     Header — glass adaptive
     ------------------------------------------------------------------------ */
  .site-header {
    position: sticky; top: 0; z-index: 50;
    background: oklch(from var(--c-bg) l c h / .72);
    backdrop-filter: saturate(160%) blur(18px);
    -webkit-backdrop-filter: saturate(160%) blur(18px);
    border-bottom: 1px solid transparent;
    transition: border-color var(--t-base), background var(--t-base), box-shadow var(--t-base);
    view-transition-name: site-header;
  }
  .site-header.is-scrolled {
    border-bottom-color: var(--c-line-soft);
    box-shadow: 0 4px 20px oklch(20% 0.02 168 / .04);
  }

  .site-header__inner {
    display: flex; align-items: center; justify-content: space-between;
    gap: 1.5rem;
    padding-block: 1rem;
    max-width: var(--maxw); margin-inline: auto;
    padding-inline: clamp(1.25rem, 3vw, 2rem);
  }
  .site-logo {
    font-family: var(--font-display);
    font-size: 1.55rem; font-weight: 400;
    letter-spacing: -.03em;
    color: var(--c-fg);
    text-decoration: none;
    font-variation-settings: "opsz" 36, "SOFT" 80, "wght" 480;
    display: inline-flex; align-items: baseline; gap: .12rem;
  }
  .site-logo span {
    color: var(--c-peach-strong);
    font-style: italic;
    font-weight: 350;
  }
  .site-logo:hover { color: var(--c-fg); }

  .site-nav ul {
    display: flex; gap: clamp(1rem, 2vw, 1.8rem);
    list-style: none; padding: 0; margin: 0;
  }
  .site-nav a {
    font-family: var(--font-body);
    font-size: .92rem; font-weight: 500;
    color: var(--c-fg-soft);
    text-decoration: none;
    padding: .5rem .25rem;
    position: relative;
    transition: color var(--t-fast);
  }
  .site-nav a::after {
    content: '';
    position: absolute; left: .25rem; right: .25rem; bottom: .15rem;
    height: 6px; border-radius: 3px;
    background: var(--c-peach-soft);
    transform: scaleX(0); transform-origin: center;
    transition: transform var(--t-base);
    z-index: -1;
  }
  .site-nav a:hover { color: var(--c-fg); }
  .site-nav a:hover::after { transform: scaleX(1); }

  .theme-toggle {
    width: 40px; height: 40px;
    border-radius: var(--radius-pill);
    border: 1px solid var(--c-line);
    color: var(--c-fg-soft);
    display: inline-flex; align-items: center; justify-content: center;
    transition: all var(--t-fast);
    background: oklch(from var(--c-card) l c h / .5);
  }
  .theme-toggle:hover {
    color: var(--c-fg); border-color: var(--c-fg-soft);
    transform: rotate(15deg) scale(1.05);
  }

  .menu-toggle, .menu-burger { display: none; }
  .site-header__notice {
    font-family: var(--font-body);
    background: linear-gradient(90deg, var(--c-sage-soft), var(--c-peach-soft));
    color: var(--c-sage-strong);
    font-size: .78rem; font-weight: 500;
    text-align: center;
    padding: .5rem 1rem;
    letter-spacing: .005em;
  }

  @container (max-width: 0px) {} /* fallback */
  @media (max-width: 880px) {
    .menu-burger {
      display: inline-flex; align-items: center; justify-content: center;
      width: 40px; height: 40px;
      border-radius: var(--radius-sm);
      border: 1px solid var(--c-line);
      color: var(--c-fg);
      background: oklch(from var(--c-card) l c h / .5);
    }
    .site-nav { position: relative; }
    .site-nav ul {
      display: none;
      position: absolute; right: 0; top: calc(100% + .5rem);
      background: var(--c-card);
      border: 1px solid var(--c-line);
      border-radius: var(--radius);
      padding: .6rem;
      flex-direction: column;
      min-width: 240px; gap: 0;
      box-shadow: var(--shadow-md);
    }
    .site-nav ul li { border-bottom: 1px solid var(--c-line-soft); }
    .site-nav ul li:last-child { border: 0; }
    .site-nav ul a { display: block; padding: .7rem .75rem; border-radius: var(--radius-sm); }
    .site-nav a::after { display: none; }
    .menu-toggle:checked ~ ul { display: flex; }
  }

  /* ------------------------------------------------------------------------
     Hero — gradient mesh + blob SVG + tipografia espressiva
     ------------------------------------------------------------------------ */
  .hero {
    position: relative;
    padding-block: var(--space-xl) var(--space-lg);
    overflow: hidden;
    isolation: isolate;
  }
  .hero__bg {
    position: absolute; inset: 0;
    z-index: -1;
    pointer-events: none;
    overflow: hidden;
  }
  .hero__bg::before,
  .hero__bg::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: .65;
    will-change: transform;
  }
  .hero__bg::before {
    width: 60vw; aspect-ratio: 1.2 / 1;
    top: -20%; right: -10%;
    background: radial-gradient(circle at 30% 30%, var(--c-peach), transparent 65%);
    animation: float-a 22s var(--ease-in-out) infinite alternate;
  }
  .hero__bg::after {
    width: 50vw; aspect-ratio: 1 / 1;
    bottom: -30%; left: -10%;
    background: radial-gradient(circle at 70% 30%, var(--c-sage), transparent 60%);
    animation: float-b 26s var(--ease-in-out) infinite alternate;
    opacity: .35;
  }
  [data-theme="dark"] .hero__bg::before { opacity: .35; }
  [data-theme="dark"] .hero__bg::after { opacity: .25; }

  @keyframes float-a {
    from { transform: translate3d(0,0,0) scale(1); }
    to   { transform: translate3d(-3vw, 4vh, 0) scale(1.08); }
  }
  @keyframes float-b {
    from { transform: translate3d(0,0,0) scale(1); }
    to   { transform: translate3d(2vw, -3vh, 0) scale(1.05); }
  }

  .hero .container {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-md);
  }
  @media (min-width: 920px) {
    .hero .container { grid-template-columns: 1.3fr .9fr; align-items: center; gap: var(--space-xl); }
  }

  .eyebrow {
    font-family: var(--font-body);
    font-size: .75rem;
    font-weight: 600;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--c-accent-strong);
    display: inline-flex; align-items: center; gap: .5rem;
    padding: .35rem .85rem;
    border-radius: var(--radius-pill);
    background: var(--c-accent-soft);
    border: 1px solid oklch(from var(--c-accent) l c h / .15);
  }
  .eyebrow::before {
    content: ''; width: 6px; height: 6px;
    border-radius: 50%; background: var(--c-accent);
    box-shadow: 0 0 0 3px oklch(from var(--c-accent) l c h / .25);
  }

  .hero h1 {
    margin-block: 1.25rem 1rem;
    max-width: 16ch;
  }
  .hero h1 em {
    font-style: italic;
    color: var(--c-peach-strong);
    font-weight: 400;
    font-variation-settings: "opsz" 144, "SOFT" 100, "wght" 360;
    display: inline-block;
    background: linear-gradient(120deg, var(--c-peach-strong), var(--c-rose));
    -webkit-background-clip: text; background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
  }

  .hero-lead {
    font-family: var(--font-display);
    font-size: clamp(1.05rem, .8rem + .8vw, 1.3rem);
    color: var(--c-fg-soft);
    max-width: 50ch;
    line-height: 1.55;
    margin-bottom: var(--space-md);
    font-variation-settings: "opsz" 24, "SOFT" 60, "wght" 380;
  }
  .hero-cta {
    display: flex; gap: .8rem; flex-wrap: wrap;
    align-items: center;
  }

  /* Visual a destra: card glass con blob */
  .hero__visual {
    position: relative;
    aspect-ratio: 4 / 5;
    max-width: 460px;
    margin-inline: auto;
    border-radius: var(--radius-xl);
    background:
      linear-gradient(160deg, oklch(from var(--c-card) l c h / .5), oklch(from var(--c-card) l c h / .15));
    backdrop-filter: blur(30px) saturate(140%);
    -webkit-backdrop-filter: blur(30px) saturate(140%);
    border: 1px solid oklch(from var(--c-card) l c h / .55);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    isolation: isolate;
    display: grid; place-items: center;
    padding: 2rem;
  }
  .hero__visual::before {
    content: '';
    position: absolute; inset: -20%;
    background:
      radial-gradient(35% 35% at 30% 30%, var(--c-peach), transparent 60%),
      radial-gradient(40% 40% at 75% 70%, var(--c-sage), transparent 55%);
    filter: blur(40px);
    opacity: .55;
    z-index: -1;
  }
  .hero__visual-mark {
    font-family: var(--font-display);
    font-size: clamp(4rem, 10vw, 7rem);
    line-height: .9;
    letter-spacing: -.05em;
    color: var(--c-fg);
    font-variation-settings: "opsz" 144, "SOFT" 100, "wght" 380;
    text-align: center;
  }
  .hero__visual-mark em {
    color: var(--c-peach-strong);
    font-style: italic;
    font-weight: 350;
  }
  .hero__visual-meta {
    position: absolute; bottom: 1.25rem; left: 1.25rem; right: 1.25rem;
    display: flex; justify-content: space-between; align-items: end;
    font-family: var(--font-body);
    font-size: .76rem;
    color: var(--c-fg-soft);
    letter-spacing: .04em;
    text-transform: uppercase;
  }
  .hero__visual-pill {
    background: oklch(from var(--c-card) l c h / .9);
    backdrop-filter: blur(8px);
    border: 1px solid var(--c-line);
    border-radius: var(--radius-pill);
    padding: .35rem .8rem;
    color: var(--c-accent-strong);
    font-weight: 600;
  }

  /* Hero stats — pillole non più "muro di numeri" */
  .hero-stats {
    margin-top: var(--space-lg);
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: var(--space-sm);
  }
  .hero-stat {
    background: oklch(from var(--c-card) l c h / .65);
    backdrop-filter: blur(8px);
    border: 1px solid var(--c-line);
    border-radius: var(--radius);
    padding: 1.1rem 1.25rem;
    transition: transform var(--t-base), box-shadow var(--t-base);
  }
  .hero-stat:hover { transform: translateY(-2px); box-shadow: var(--shadow-sm); }
  .hero-stat .num {
    display: block;
    font-family: var(--font-display);
    font-size: clamp(2rem, 3vw, 2.7rem);
    font-weight: 400;
    letter-spacing: -.035em;
    line-height: 1;
    color: var(--c-fg);
    font-variation-settings: "opsz" 96, "SOFT" 80;
    margin-bottom: .15rem;
  }
  .hero-stat .num em {
    font-style: italic; color: var(--c-peach-strong); font-weight: 350;
  }
  .hero-stat .label {
    font-size: .82rem;
    color: var(--c-fg-soft);
    font-weight: 500;
    line-height: 1.4;
  }

  /* Hero compact (subpages) */
  .hero--compact { padding-block: var(--space-lg) var(--space-md); }
  .hero--compact h1 { font-size: clamp(2rem, 4vw, 3.4rem); }
  .hero--compact .container { display: block; }

  /* ------------------------------------------------------------------------
     Buttons — pill, soft glow, magnetic-ready
     ------------------------------------------------------------------------ */
  .btn {
    --_bg: var(--c-fg);
    --_fg: var(--c-bg);
    --_bd: var(--c-fg);
    display: inline-flex; align-items: center; gap: .55rem;
    padding: .9rem 1.55rem;
    border-radius: var(--radius-pill);
    border: 1px solid var(--_bd);
    background: var(--_bg);
    color: var(--_fg);
    font-family: var(--font-body);
    font-size: .95rem; font-weight: 500;
    text-decoration: none;
    line-height: 1;
    transition: transform var(--t-base), box-shadow var(--t-base), background var(--t-base);
    white-space: nowrap;
    position: relative;
    isolation: isolate;
  }
  .btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); text-decoration: none; }
  .btn:active { transform: translateY(0); }

  .btn-primary {
    --_bg: var(--c-peach-strong);
    --_fg: #fff;
    --_bd: transparent;
    box-shadow: 0 6px 20px oklch(from var(--c-peach-strong) l c h / .35);
  }
  .btn-primary::before {
    content: ''; position: absolute; inset: 0;
    border-radius: inherit;
    background: linear-gradient(135deg, oklch(from var(--c-peach-strong) calc(l + .08) c h), var(--c-peach-strong));
    z-index: -1;
    opacity: 0; transition: opacity var(--t-base);
  }
  .btn-primary:hover::before { opacity: 1; }
  .btn-primary:hover {
    box-shadow: 0 12px 30px oklch(from var(--c-peach-strong) l c h / .45);
  }

  .btn-outline {
    --_bg: transparent;
    --_fg: var(--c-fg);
    --_bd: var(--c-line);
  }
  .btn-outline:hover {
    --_bg: var(--c-fg);
    --_fg: var(--c-bg);
    --_bd: var(--c-fg);
  }

  .btn-ghost {
    --_bg: transparent;
    --_fg: var(--c-accent-strong);
    --_bd: transparent;
    padding: .65rem 1rem;
  }
  .btn-ghost:hover { --_bg: var(--c-accent-soft); }

  .btn-large { padding: 1.1rem 1.9rem; font-size: 1rem; }

  /* ------------------------------------------------------------------------
     Cards — container query aware, soft glass
     ------------------------------------------------------------------------ */
  .card-grid {
    display: grid; gap: var(--space-sm);
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
    margin-block: var(--space-sm) var(--space-md);
    container-type: inline-size;
  }

  .card {
    background: oklch(from var(--c-card) l c h / .82);
    backdrop-filter: blur(8px);
    border: 1px solid var(--c-line);
    border-radius: var(--radius);
    padding: clamp(1.4rem, 2vw, 1.85rem);
    display: flex; flex-direction: column; gap: .6rem;
    text-decoration: none;
    color: var(--c-fg);
    position: relative;
    overflow: hidden;
    isolation: isolate;
    transition: transform var(--t-base), box-shadow var(--t-base), border-color var(--t-base);
  }
  .card::after {
    content: '';
    position: absolute; inset: auto auto -40% -10%;
    width: 80%; aspect-ratio: 1 / 1;
    background: radial-gradient(circle, var(--c-peach-soft), transparent 65%);
    opacity: 0;
    z-index: -1;
    transition: opacity var(--t-base);
  }
  .card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: oklch(from var(--c-accent) l c h / .25);
    text-decoration: none;
  }
  .card:hover::after { opacity: .8; }
  .card h3 { margin: 0; font-size: 1.25rem; line-height: 1.3; }
  .card h3 a { color: inherit; text-decoration: none; }
  .card h3 a:hover { color: var(--c-accent-strong); }
  .card p { color: var(--c-fg-soft); font-size: .95rem; margin: 0; }
  .card small {
    color: var(--c-muted); font-size: .78rem;
    font-weight: 500;
    margin-top: auto; padding-top: .5rem;
    display: inline-flex; align-items: center; gap: .5rem;
  }

  .card-cat {
    font-family: var(--font-body);
    font-size: .7rem; font-weight: 600;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--c-accent-strong);
    width: fit-content;
    background: var(--c-accent-soft);
    padding: .25rem .65rem;
    border-radius: var(--radius-pill);
  }

  a.cat-card {
    background:
      linear-gradient(160deg, var(--c-accent-soft) 0%, oklch(from var(--c-peach-soft) l c h / .5) 100%);
    border-color: transparent;
  }
  a.cat-card h3 { color: var(--c-accent-strong); font-style: italic; font-weight: 400; }
  a.cat-card:hover { transform: translateY(-4px) scale(1.005); }

  /* ------------------------------------------------------------------------
     Showcase grid (landing /integratori, home product reel)
     ------------------------------------------------------------------------ */
  .showcase-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr));
    gap: var(--space-sm);
    margin-block: var(--space-sm) var(--space-md);
  }
  .showcase-card {
    position: relative;
    border-radius: var(--radius-md);
    padding: 1.85rem 1.6rem 1.6rem;
    text-decoration: none;
    color: var(--c-fg);
    display: flex; flex-direction: column;
    min-height: 280px;
    overflow: hidden;
    isolation: isolate;
    background:
      linear-gradient(155deg, oklch(from var(--c-card) l c h / .82) 0%, oklch(from var(--c-bg-deep) l c h / .65) 100%);
    border: 1px solid oklch(from var(--c-card) l c h / .6);
    backdrop-filter: blur(10px);
    transition: transform var(--t-base), box-shadow var(--t-base), border-color var(--t-base);
  }
  .showcase-card::before {
    content: '';
    position: absolute;
    inset: -30% -30% auto auto;
    width: 70%; aspect-ratio: 1;
    background: radial-gradient(circle, var(--c-peach-soft), transparent 65%);
    z-index: -1;
    transition: transform var(--t-base);
  }
  .showcase-card::after {
    content: '';
    position: absolute;
    inset: auto auto -40% -20%;
    width: 70%; aspect-ratio: 1;
    background: radial-gradient(circle, var(--c-sage-soft), transparent 70%);
    z-index: -1;
    opacity: .8;
    transition: transform var(--t-base);
  }
  .showcase-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: oklch(from var(--c-accent) l c h / .3);
    text-decoration: none;
  }
  .showcase-card:hover::before { transform: scale(1.15) rotate(8deg); }
  .showcase-card:hover::after  { transform: scale(1.15) rotate(-6deg); }

  .showcase-card__num {
    font-family: var(--font-display);
    font-size: 3.6rem;
    font-weight: 300;
    line-height: 1;
    color: var(--c-fg);
    letter-spacing: -.04em;
    margin-bottom: 1.5rem;
    font-variation-settings: "opsz" 144, "SOFT" 100;
    font-style: italic;
    opacity: .35;
  }
  .showcase-card__brand {
    font-family: var(--font-body);
    font-size: .68rem; font-weight: 600;
    letter-spacing: .14em; text-transform: uppercase;
    color: var(--c-accent-strong);
    margin-bottom: .4rem;
  }
  .showcase-card__name {
    font-family: var(--font-display);
    font-size: 1.35rem;
    font-weight: 450;
    line-height: 1.25;
    color: var(--c-fg);
    margin-bottom: 1rem;
    flex: 1;
    font-variation-settings: "opsz" 36, "SOFT" 60;
  }
  .showcase-card__cta {
    font-family: var(--font-body);
    font-size: .9rem; font-weight: 500;
    color: var(--c-accent-strong);
    display: inline-flex; gap: .35rem; align-items: center;
    transition: gap var(--t-base);
  }
  .showcase-card:hover .showcase-card__cta { gap: .65rem; }

  /* ------------------------------------------------------------------------
     Articolo long-form
     ------------------------------------------------------------------------ */
  .article {
    padding-block: var(--space-md) var(--space-xl);
    max-width: 760px;
    margin-inline: auto;
  }
  .breadcrumb {
    font-family: var(--font-body);
    font-size: .82rem; color: var(--c-muted);
    margin-bottom: var(--space-sm);
    display: flex; gap: .5rem; flex-wrap: wrap;
  }
  .breadcrumb a { color: var(--c-fg-soft); text-decoration: none; }
  .breadcrumb a:hover { color: var(--c-accent-strong); }

  .article-head { margin-bottom: var(--space-md); }
  .article-head h1 {
    font-size: clamp(2rem, 4.2vw, 3.2rem);
    margin-block: 1rem 1.25rem;
    font-variation-settings: "opsz" 144, "SOFT" 70, "wght" 380;
    view-transition-name: article-title;
  }
  .article-meta {
    font-family: var(--font-body);
    color: var(--c-muted); font-size: .85rem;
    display: flex; gap: .5rem; flex-wrap: wrap; align-items: center;
    margin: 0;
  }
  .article-meta__author a { color: var(--c-fg); font-weight: 600; text-decoration: none; }
  .article-meta__author a:hover { color: var(--c-accent-strong); }
  .article-meta__sep { color: var(--c-line); }
  .article-meta__sources {
    margin-top: .5rem;
    font-family: var(--font-body);
    color: var(--c-fg-soft);
    font-size: .82rem;
    line-height: 1.5;
    padding-top: .8rem;
    border-top: 1px solid var(--c-line-soft);
  }
  .article-meta__sources a { color: var(--c-accent-strong); }
  .article-footer {
    margin-top: var(--space-lg);
    padding-top: var(--space-md);
    border-top: 1px solid var(--c-line-soft);
  }
  .article-footer__disclaimer {
    font-size: .85rem;
    color: var(--c-fg-soft);
    line-height: 1.6;
    background: oklch(from var(--c-card) l c h / .5);
    padding: 1rem 1.2rem;
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--c-accent);
  }
  .article-footer__disclaimer a { color: var(--c-accent-strong); }

  /* Footer newsletter strip */
  .footer-newsletter {
    background: linear-gradient(135deg, oklch(from var(--c-peach-soft) l c h / .6), oklch(from var(--c-sage-soft) l c h / .5));
    border-block: 1px solid var(--c-line);
    padding-block: clamp(2rem, 5vw, 3.5rem);
    margin-top: var(--space-xl);
  }
  .footer-newsletter__inner {
    display: grid;
    grid-template-columns: 1fr minmax(280px, 420px);
    gap: clamp(1.5rem, 4vw, 3rem);
    align-items: center;
  }
  @media (max-width: 760px) {
    .footer-newsletter__inner { grid-template-columns: 1fr; }
  }
  .footer-newsletter__copy h3 {
    font-family: var(--font-display);
    font-size: clamp(1.4rem, 2.4vw, 1.9rem);
    font-variation-settings: "opsz" 96, "SOFT" 80, "wght" 420;
    margin-bottom: .4rem;
  }
  .footer-newsletter__copy p {
    color: var(--c-fg-soft);
    font-size: .92rem;
    line-height: 1.5;
    margin: 0;
  }

  /* Exit-intent / inline lead modal */
  .exit-modal {
    position: fixed; inset: 0;
    z-index: 9500;
    display: grid; place-items: center;
    background: oklch(from var(--c-bg-deep) l c h / .55);
    backdrop-filter: blur(6px);
    padding: 1rem;
    animation: fadeIn .3s var(--ease-out);
  }
  .exit-modal[hidden] { display: none; }
  @keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
  .exit-modal__card {
    background: var(--c-card);
    border: 1px solid var(--c-line);
    border-radius: var(--radius-lg);
    padding: clamp(1.5rem, 4vw, 2.5rem);
    max-width: 540px;
    width: 100%;
    box-shadow: var(--shadow-lg);
    position: relative;
  }
  .exit-modal__close {
    position: absolute; top: 12px; right: 12px;
    background: none; border: 0; cursor: pointer;
    width: 32px; height: 32px;
    border-radius: 50%;
    color: var(--c-fg-soft);
    font-size: 1.4rem; line-height: 1;
    transition: background var(--t-fast);
  }
  .exit-modal__close:hover { background: var(--c-line-soft); }
  .exit-modal__eyebrow {
    font-size: .72rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
    color: var(--c-accent-strong);
    margin-bottom: .4rem;
  }
  .exit-modal h3 {
    font-family: var(--font-display);
    font-size: clamp(1.4rem, 2.4vw, 1.8rem);
    margin-bottom: .6rem;
    line-height: 1.15;
  }
  .exit-modal p {
    color: var(--c-fg-soft);
    font-size: .92rem;
    line-height: 1.5;
    margin-bottom: 1rem;
  }

  .article-body {
    font-family: var(--font-body);
    font-size: 1.08rem;
    line-height: 1.78;
    color: var(--c-fg);
    text-align: justify;
    hyphens: auto;
    -webkit-hyphens: auto;
    text-wrap: pretty;
  }
  .article-body > p:first-of-type::first-letter {
    font-family: var(--font-display);
    font-weight: 400;
    font-size: 4.6rem;
    float: left;
    line-height: .9;
    margin: .15rem .55rem 0 0;
    color: var(--c-peach-strong);
    font-style: italic;
    font-variation-settings: "opsz" 144, "SOFT" 100;
  }
  .article-body h2 {
    margin-top: 3rem;
    font-size: clamp(1.4rem, 2.4vw, 1.95rem);
    position: relative;
    padding-top: 1.4rem;
  }
  .article-body h2::before {
    content: ''; position: absolute; top: 0; left: 0;
    width: 48px; height: 3px; border-radius: 3px;
    background: linear-gradient(90deg, var(--c-peach-strong), var(--c-sage));
  }
  .article-body h3 { margin-top: 2.25rem; font-size: 1.25rem; }
  .article-body p { margin: 0 0 1.25rem; }
  .article-body strong { color: var(--c-fg); font-weight: 600; }
  .article-body em { font-style: italic; }
  .article-body ul, .article-body ol { padding-left: 1.4rem; margin-bottom: 1.4rem; }
  .article-body li { margin-bottom: .4rem; }
  .article-body table {
    width: 100%; border-collapse: collapse;
    margin: 1.5rem 0;
    font-family: var(--font-body);
    font-size: .95rem;
    background: oklch(from var(--c-card) l c h / .6);
    border-radius: var(--radius-sm);
    overflow: hidden;
  }
  .article-body th, .article-body td {
    padding: .9rem 1.1rem;
    border-bottom: 1px solid var(--c-line-soft);
    text-align: left;
  }
  .article-body thead th {
    font-size: .75rem; font-weight: 600;
    letter-spacing: .08em; text-transform: uppercase;
    color: var(--c-muted);
    background: oklch(from var(--c-bg-deep) l c h / .6);
  }
  .article-body tbody tr:hover { background: oklch(from var(--c-accent-soft) l c h / .5); }
  .article-body blockquote {
    border-left: 3px solid var(--c-peach-strong);
    margin: 1.75rem 0;
    padding: .25rem 0 .25rem 1.5rem;
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-style: italic;
    color: var(--c-fg-soft);
    line-height: 1.5;
    font-variation-settings: "opsz" 36, "SOFT" 80;
  }
  .article-body code {
    background: var(--c-bg-deep);
    padding: .15rem .45rem;
    border-radius: 4px;
    font-size: .9em;
    font-family: ui-monospace, 'SF Mono', Menlo, monospace;
  }
  .article-body pre {
    background: var(--c-bg-deep);
    padding: 1.25rem; border-radius: var(--radius-sm);
    overflow-x: auto; font-size: .85rem;
  }
  .article-body a {
    color: var(--c-accent-strong);
    text-decoration: underline;
    text-decoration-color: oklch(from var(--c-accent) l c h / .3);
    text-decoration-thickness: 1.5px;
  }
  .article-body a:hover {
    text-decoration-color: var(--c-accent);
    text-decoration-thickness: 2px;
  }

  /* ------------------------------------------------------------------------
     Article-products / FAQ / leadmagnet
     ------------------------------------------------------------------------ */
  .article-products { margin-top: var(--space-lg); padding-top: var(--space-md); border-top: 1px solid var(--c-line-soft); }
  .product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr));
    gap: 1.25rem;
    margin-top: 1.5rem;
  }
  .product-box {
    background: oklch(from var(--c-card) l c h / .8);
    backdrop-filter: blur(6px);
    border: 1px solid var(--c-line);
    border-radius: var(--radius);
    padding: 1.5rem;
    display: flex; flex-direction: column; gap: .6rem;
    transition: transform var(--t-base), border-color var(--t-base), box-shadow var(--t-base);
  }
  .product-box:hover {
    border-color: oklch(from var(--c-accent) l c h / .3);
    transform: translateY(-3px);
    box-shadow: var(--shadow-sm);
  }
  .product-box__brand {
    font-family: var(--font-body);
    font-size: .68rem; font-weight: 600;
    letter-spacing: .14em; text-transform: uppercase;
    color: var(--c-accent-strong);
  }
  .product-box__name {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 1.15rem;
    line-height: 1.3;
    color: var(--c-fg);
  }
  .product-box__note {
    color: var(--c-fg-soft);
    font-size: .9rem;
    flex: 1;
    line-height: 1.55;
  }
  .product-box__cta {
    margin-top: .75rem;
    display: inline-flex; align-items: center; gap: .4rem;
    background: var(--c-fg); color: var(--c-bg);
    padding: .65rem 1.1rem;
    border-radius: var(--radius-pill);
    text-decoration: none;
    font-size: .88rem; font-weight: 500;
    width: fit-content;
    transition: background var(--t-fast), gap var(--t-base);
  }
  .product-box__cta:hover {
    background: var(--c-peach-strong); color: #fff;
    text-decoration: none; gap: .65rem;
  }
  .product-box__disclosure {
    font-size: .7rem; color: var(--c-muted);
    margin-top: .25rem;
  }
  .product-box__actions { display: flex; gap: .5rem; flex-wrap: wrap; margin-top: .75rem; }
  .product-box__detail {
    font-size: .82rem;
    color: var(--c-fg-soft);
    text-decoration: underline;
    text-decoration-color: var(--c-line);
    align-self: center;
  }
  .product-box__detail:hover { color: var(--c-accent-strong); }

  /* Inline product callout dentro l'article body */
  .product-inline {
    display: flex;
    gap: 1rem;
    align-items: center;
    flex-wrap: wrap;
    background: linear-gradient(120deg, oklch(from var(--c-peach-soft) l c h / .55), oklch(from var(--c-card) l c h / .8));
    border: 1px solid var(--c-line);
    border-left: 3px solid var(--c-peach-strong);
    border-radius: var(--radius);
    padding: 1rem 1.2rem;
    margin: 1.6rem 0;
    font-family: var(--font-body);
    text-align: left;
  }
  .product-inline__body { flex: 1 1 240px; min-width: 0; }
  .product-inline__eyebrow {
    font-size: .68rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
    color: var(--c-peach-strong);
    margin-bottom: .15rem;
  }
  .product-inline__name {
    font-family: var(--font-display);
    font-size: 1.05rem; font-weight: 500;
    color: var(--c-fg);
    margin-bottom: .15rem;
    line-height: 1.3;
  }
  .product-inline__desc {
    font-size: .85rem;
    color: var(--c-fg-soft);
    line-height: 1.5;
    margin: 0;
  }
  .product-inline__cta {
    flex-shrink: 0;
    display: inline-flex; align-items: center; gap: .35rem;
    background: var(--c-fg); color: var(--c-bg);
    padding: .55rem 1rem;
    border-radius: var(--radius-pill);
    text-decoration: none;
    font-size: .85rem; font-weight: 500;
    transition: background var(--t-fast), gap var(--t-base);
    white-space: nowrap;
  }
  .product-inline__cta:hover { background: var(--c-peach-strong); color: #fff; gap: .55rem; }
  .product-inline__disclosure {
    flex-basis: 100%;
    font-size: .68rem;
    color: var(--c-muted);
    margin-top: .2rem;
  }
  .article-body .product-inline a:not(.product-inline__cta) { color: inherit; text-decoration: underline; }

  /* FAQ */
  .article-faq { margin-top: var(--space-lg); padding-top: var(--space-md); border-top: 1px solid var(--c-line-soft); }
  .article-faq h2 { margin-bottom: 1.5rem; }
  .article-faq details {
    border-bottom: 1px solid var(--c-line-soft);
    padding: 1.25rem 0;
    transition: background var(--t-fast);
  }
  .article-faq details:first-of-type { border-top: 1px solid var(--c-line-soft); }
  .article-faq details[open] { background: oklch(from var(--c-accent-soft) l c h / .35); border-radius: var(--radius-sm); padding-inline: 1rem; }
  .article-faq summary {
    cursor: pointer;
    font-family: var(--font-display);
    font-weight: 500; font-size: 1.1rem;
    color: var(--c-fg);
    list-style: none;
    position: relative;
    padding-right: 2rem;
    line-height: 1.4;
  }
  .article-faq summary::-webkit-details-marker { display: none; }
  .article-faq summary::after {
    content: '+';
    position: absolute; right: 0; top: -.1rem;
    font-size: 1.6rem; color: var(--c-accent-strong);
    font-weight: 300;
    transition: transform var(--t-base);
    width: 28px; height: 28px;
    display: inline-grid; place-items: center;
    background: var(--c-accent-soft); border-radius: 50%;
  }
  .article-faq details[open] summary::after { transform: rotate(45deg); }
  .article-faq details p {
    margin-top: 1rem;
    color: var(--c-fg-soft);
    line-height: 1.7;
    text-align: justify;
    hyphens: auto;
    -webkit-hyphens: auto;
  }

  /* Lead magnet — il blocco scuro caldo */
  .lead-magnet {
    background:
      radial-gradient(60% 80% at 100% 0%, oklch(from var(--c-peach) l c h / .3) 0%, transparent 60%),
      radial-gradient(70% 70% at 0% 100%, oklch(from var(--c-sage) l c h / .25) 0%, transparent 60%),
      var(--c-fg);
    color: var(--c-bg);
    border-radius: var(--radius-lg);
    padding: clamp(1.85rem, 4vw, 3.25rem);
    margin-block: var(--space-lg);
    display: grid;
    gap: var(--space-md);
    grid-template-columns: 1.2fr 1fr;
    align-items: center;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
  }
  @media (max-width: 720px) { .lead-magnet { grid-template-columns: 1fr; } }
  .lead-magnet h2 {
    font-family: var(--font-display);
    color: var(--c-bg);
    font-size: clamp(1.55rem, 2.6vw, 2.1rem);
    line-height: 1.15;
    font-variation-settings: "opsz" 96, "SOFT" 80, "wght" 380;
    margin-bottom: .75rem;
  }
  .lead-magnet h2 em {
    color: var(--c-peach);
    font-style: italic;
    font-weight: 350;
  }
  .lead-magnet p { color: oklch(from var(--c-bg) l c h / .75); margin: 0; line-height: 1.6; }

  .article-leadmagnet {
    background:
      linear-gradient(150deg, var(--c-accent-soft) 0%, oklch(from var(--c-peach-soft) l c h / .5) 100%);
    border-radius: var(--radius);
    padding: 2rem;
    margin-top: 3.5rem;
    border: 1px solid oklch(from var(--c-accent) l c h / .15);
    position: relative;
    overflow: hidden;
  }
  .article-leadmagnet::before {
    content: ''; position: absolute;
    inset: -50% -20% auto auto;
    width: 40%; aspect-ratio: 1;
    background: radial-gradient(circle, var(--c-peach), transparent 65%);
    opacity: .25;
    z-index: 0;
  }
  .article-leadmagnet > * { position: relative; z-index: 1; }
  .article-leadmagnet h3 {
    margin-top: 0; color: var(--c-accent-strong);
    font-size: 1.4rem;
    font-variation-settings: "opsz" 36, "SOFT" 70;
  }
  .article-leadmagnet p { color: var(--c-fg-soft); margin-bottom: 1.25rem; }

  /* Lead form */
  .lead-form { display: flex; flex-direction: column; gap: .75rem; }
  .lead-form input[type=email] {
    padding: 1rem 1.3rem;
    border: 1px solid var(--c-line);
    border-radius: var(--radius-pill);
    background: var(--c-card);
    color: var(--c-fg);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: border-color var(--t-fast), box-shadow var(--t-fast);
  }
  .lead-form input[type=email]:focus {
    outline: none;
    border-color: var(--c-accent);
    box-shadow: 0 0 0 4px oklch(from var(--c-accent) l c h / .15);
  }
  .lead-magnet .lead-form input[type=email] {
    background: oklch(from var(--c-bg) l c h / .12);
    border-color: oklch(from var(--c-bg) l c h / .25);
    color: var(--c-bg);
  }
  .lead-magnet .lead-form input[type=email]::placeholder { color: oklch(from var(--c-bg) l c h / .55); }
  .lead-magnet .lead-form input[type=email]:focus {
    border-color: var(--c-peach);
    box-shadow: 0 0 0 4px oklch(from var(--c-peach) l c h / .25);
  }
  .lead-form .hp { position: absolute; left: -9999px; }
  .lead-form button { align-self: flex-start; }
  .lead-form small { color: var(--c-muted); font-size: .78rem; }

  .consent {
    display: flex; gap: .55rem; align-items: flex-start;
    font-size: .8rem; color: var(--c-fg-soft);
    line-height: 1.45;
  }
  .consent input[type=checkbox] { margin-top: .25rem; flex-shrink: 0; }
  .consent a { color: var(--c-accent-strong); }
  .lead-magnet .consent { color: oklch(from var(--c-bg) l c h / .75); }
  .lead-magnet .consent a { color: var(--c-peach); }

  /* ------------------------------------------------------------------------
     Calculators
     ------------------------------------------------------------------------ */
  .calc-form {
    display: grid; gap: 1.1rem;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 200px), 1fr));
    background:
      linear-gradient(150deg, oklch(from var(--c-card) l c h / .7), oklch(from var(--c-bg-deep) l c h / .5));
    border: 1px solid var(--c-line);
    backdrop-filter: blur(6px);
    padding: clamp(1.5rem, 3vw, 2.25rem);
    border-radius: var(--radius);
    align-items: end;
    margin-block: var(--space-md);
  }
  .calc-form label {
    display: flex; flex-direction: column;
    gap: .4rem;
    font-family: var(--font-body);
    font-size: .85rem; font-weight: 500;
    color: var(--c-fg-soft);
  }
  .calc-form label.check { flex-direction: row; align-items: center; font-weight: 400; color: var(--c-fg); }
  .calc-form input, .calc-form select {
    padding: .8rem 1rem;
    border: 1px solid var(--c-line);
    border-radius: var(--radius-sm);
    background: var(--c-card);
    color: var(--c-fg);
    font-family: var(--font-body);
    font-size: 1rem;
  }
  .calc-form input:focus, .calc-form select:focus {
    outline: none; border-color: var(--c-accent);
    box-shadow: 0 0 0 4px oklch(from var(--c-accent) l c h / .15);
  }
  .calc-form input[type=checkbox] { width: 18px; height: 18px; }
  .calc-form button { grid-column: 1 / -1; justify-self: start; }
  @media (min-width: 600px) { .calc-form button { grid-column: auto; } }

  .calc-result {
    background: var(--c-card);
    border: 1px solid var(--c-line);
    border-radius: var(--radius);
    padding: clamp(1.5rem, 3vw, 2.25rem);
    margin-block: 1.5rem;
    display: flex; flex-direction: column; gap: .85rem;
    border-left: 4px solid var(--c-accent);
    box-shadow: var(--shadow-sm);
  }
  .calc-result .big {
    font-family: var(--font-display);
    font-size: clamp(2.8rem, 6vw, 4.2rem);
    font-weight: 380;
    letter-spacing: -.04em;
    line-height: 1;
    color: var(--c-fg);
    font-variation-settings: "opsz" 144, "SOFT" 80;
  }
  .calc-result .big em { color: var(--c-peach-strong); font-style: italic; font-weight: 350; }
  .lipid-row {
    padding: .9rem 1.15rem;
    border-radius: var(--radius-sm);
    background: oklch(from var(--c-bg-deep) l c h / .65);
    border-left: 3px solid var(--c-line);
    display: flex; gap: .75rem; align-items: baseline; flex-wrap: wrap;
    font-family: var(--font-body);
  }
  .lipid-row.ok   { border-left-color: var(--c-ok);   background: oklch(from var(--c-sage-soft) l c h / .6); }
  .lipid-row.warn { border-left-color: var(--c-warn); background: oklch(from var(--c-honey) calc(l + .1) c h / .35); }
  .lipid-row.bad  { border-left-color: var(--c-bad);  background: oklch(from var(--c-bad) calc(l + .25) c h / .25); }

  /* Callout */
  .callout {
    padding: 1.25rem 1.5rem;
    border-radius: var(--radius);
    margin-block: 1.75rem;
    background: var(--c-accent-soft);
    border: 1px solid oklch(from var(--c-accent) l c h / .15);
    color: var(--c-fg);
    font-family: var(--font-body);
    font-size: .95rem;
    line-height: 1.65;
    position: relative;
    padding-left: 3rem;
  }
  .callout::before {
    content: '';
    position: absolute;
    left: 1.1rem; top: 1.4rem;
    width: 14px; height: 14px;
    border-radius: 50%;
    background: var(--c-accent);
    box-shadow: 0 0 0 4px var(--c-accent-soft), 0 0 0 5px oklch(from var(--c-accent) l c h / .35);
  }
  .callout p { margin: 0; }
  .callout.warn { background: oklch(from var(--c-honey) calc(l + .1) c h / .4); border-color: oklch(from var(--c-warn) l c h / .25); }
  .callout.warn::before { background: var(--c-warn); box-shadow: 0 0 0 4px oklch(from var(--c-warn) calc(l + .25) c h / .4), 0 0 0 5px oklch(from var(--c-warn) l c h / .35); }
  .callout.bad  { background: oklch(from var(--c-bad) calc(l + .3) c h / .25); border-color: oklch(from var(--c-bad) l c h / .25); }
  .callout.bad::before { background: var(--c-bad); }

  /* ------------------------------------------------------------------------
     Category page / 404
     ------------------------------------------------------------------------ */
  .category-head {
    padding-block: var(--space-lg) var(--space-2xs);
    max-width: 720px;
  }
  .category-head h1 { margin-bottom: .75rem; }
  .category-head .lead {
    font-family: var(--font-display);
    font-size: clamp(1.05rem, 1.4vw, 1.3rem);
    color: var(--c-fg-soft);
    margin: 0;
    font-variation-settings: "opsz" 36, "SOFT" 70;
  }
  .error-page { padding: var(--space-xl) 0; max-width: 600px; text-align: center; margin-inline: auto; }
  .error-page h1 {
    font-size: clamp(5rem, 14vw, 8rem); color: var(--c-peach-strong); margin-bottom: 1rem;
    font-style: italic; font-weight: 320;
  }

  /* ------------------------------------------------------------------------
     Product page — hero diptych
     ------------------------------------------------------------------------ */
  .product-page { padding-block: var(--space-md) var(--space-xl); max-width: 1000px; margin-inline: auto; }
  .product-page__hero {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--space-lg);
    margin-bottom: var(--space-lg);
    align-items: center;
  }
  @media (max-width: 760px) {
    .product-page__hero { grid-template-columns: 1fr; gap: var(--space-md); }
  }
  .product-page__visual {
    aspect-ratio: 1 / 1;
    background:
      radial-gradient(60% 60% at 30% 30%, var(--c-peach-soft), transparent 60%),
      radial-gradient(70% 70% at 80% 80%, var(--c-sage-soft), transparent 65%),
      var(--c-card);
    border-radius: var(--radius-lg);
    display: grid; place-items: center;
    position: relative;
    overflow: hidden;
    border: 1px solid var(--c-line-soft);
    box-shadow: var(--shadow-md);
  }
  .product-page__visual::before {
    content: '';
    position: absolute;
    inset: -30% -30% auto auto;
    width: 80%; aspect-ratio: 1;
    background: radial-gradient(circle, var(--c-peach), transparent 60%);
    opacity: .35;
    filter: blur(20px);
  }
  .product-visual {
    position: relative; z-index: 1;
    text-align: center; padding: 2rem;
  }
  .product-visual__brand {
    display: block;
    font-family: var(--font-body);
    font-size: .72rem; font-weight: 600;
    letter-spacing: .16em; text-transform: uppercase;
    color: var(--c-accent-strong);
    margin-bottom: 1rem;
  }
  .product-visual__name {
    display: block;
    font-family: var(--font-display);
    font-size: clamp(1.7rem, 3.5vw, 2.4rem);
    font-weight: 400;
    line-height: 1.1;
    letter-spacing: -.02em;
    color: var(--c-fg);
    font-variation-settings: "opsz" 144, "SOFT" 80;
    font-style: italic;
  }

  .product-page__info h1 {
    font-size: clamp(1.9rem, 3.5vw, 2.7rem);
    margin: .85rem 0 1rem;
  }
  .product-page__info .lead {
    font-family: var(--font-display);
    font-size: 1.15rem;
    color: var(--c-fg-soft);
    line-height: 1.55;
    margin-bottom: 1.75rem;
    font-variation-settings: "opsz" 36, "SOFT" 70;
  }
  .product-page__info .btn-large { padding: 1.1rem 1.85rem; font-size: 1rem; }
  .disclosure-line { margin-top: .65rem; }

  .product-page__section {
    padding-block: var(--space-md);
    border-top: 1px solid var(--c-line-soft);
  }
  .product-page__section h2 {
    font-size: 1.55rem;
    margin: 0 0 1rem;
  }
  .product-page__section ul {
    padding-left: 1.4rem;
    color: var(--c-fg-soft);
  }
  .product-page__section li { margin-bottom: .4rem; }

  /* ------------------------------------------------------------------------
     Footer — dark warm con gradient
     ------------------------------------------------------------------------ */
  .site-footer {
    margin-top: var(--space-2xl);
    padding-block: var(--space-lg) var(--space-md);
    background:
      radial-gradient(60% 40% at 80% 0%, oklch(from var(--c-peach) l c h / .15) 0%, transparent 60%),
      radial-gradient(50% 50% at 0% 100%, oklch(from var(--c-sage) l c h / .15) 0%, transparent 60%),
      var(--c-fg);
    color: var(--c-bg);
    position: relative;
    overflow: hidden;
  }
  .site-footer h3 {
    font-family: var(--font-body);
    font-size: .72rem;
    font-weight: 600;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: oklch(from var(--c-bg) l c h / .55);
    margin: 0 0 1rem;
  }
  .site-footer p, .site-footer li { color: oklch(from var(--c-bg) l c h / .8); font-size: .9rem; line-height: 1.6; }
  .site-footer ul { list-style: none; padding: 0; margin: 0; }
  .site-footer li { margin-bottom: .5rem; }
  .site-footer a {
    color: oklch(from var(--c-bg) l c h / .8);
    text-decoration: none;
    transition: color var(--t-fast);
  }
  .site-footer a:hover { color: var(--c-peach); }

  .footer-grid {
    display: grid; gap: var(--space-md);
    grid-template-columns: 1.5fr repeat(3, 1fr);
    margin-bottom: var(--space-md);
  }
  @media (max-width: 720px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
  @media (max-width: 480px) { .footer-grid { grid-template-columns: 1fr; } }

  .footer-grid section:first-child p {
    font-family: var(--font-display);
    font-size: 1.05rem;
    color: oklch(from var(--c-bg) l c h / .75);
    max-width: 32ch;
    font-variation-settings: "opsz" 24, "SOFT" 60;
  }

  .footer-disclosure {
    border-top: 1px solid oklch(from var(--c-bg) l c h / .12);
    padding-top: 1.75rem;
    font-size: .78rem;
    color: oklch(from var(--c-bg) l c h / .55);
  }
  .footer-disclosure p { font-size: .78rem; color: oklch(from var(--c-bg) l c h / .55); margin: .5rem 0; }
  .footer-disclosure strong { color: oklch(from var(--c-bg) l c h / .85); }
  .copyright {
    text-align: center;
    margin-top: 2rem !important;
    padding-top: 2rem;
    border-top: 1px solid oklch(from var(--c-bg) l c h / .08);
  }

  /* ------------------------------------------------------------------------
     Cookie banner
     ------------------------------------------------------------------------ */
  .cookie-btn {
    position: fixed; bottom: 16px; left: 16px; z-index: 9000;
    width: 44px; height: 44px;
    border: 0;
    border-radius: var(--radius-pill);
    background: var(--c-fg); color: var(--c-bg);
    font-size: 1.2rem;
    box-shadow: var(--shadow-md);
    cursor: pointer;
    transition: transform var(--t-base);
  }
  .cookie-btn:hover { transform: scale(1.08) rotate(15deg); }

  .cookie-banner {
    position: fixed; bottom: 12px; left: 12px; right: 12px;
    max-width: 640px; margin-inline: auto;
    z-index: 9001;
    pointer-events: auto;
    background: oklch(from var(--c-card) l c h / .96);
    backdrop-filter: blur(16px) saturate(140%);
    -webkit-backdrop-filter: blur(16px) saturate(140%);
    border: 1px solid var(--c-line);
    border-radius: var(--radius);
    padding: .9rem 1rem;
    box-shadow: var(--shadow-lg);
    display: flex; flex-direction: column; gap: .65rem;
    max-height: calc(100dvh - 24px);
    overflow-y: auto;
    overscroll-behavior: contain;
    animation: slideUp .35s var(--ease-out);
  }
  .cookie-banner[hidden] { display: none; }
  @keyframes slideUp {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
  }
  .cookie-banner__head strong {
    font-family: var(--font-display);
    font-size: 1rem;
    display: block; margin-bottom: .15rem;
    font-variation-settings: "opsz" 32, "SOFT" 70;
  }
  .cookie-banner__head p {
    font-size: .82rem;
    color: var(--c-fg-soft);
    margin: 0;
    line-height: 1.45;
  }
  .cookie-banner__actions {
    display: flex; gap: .4rem; flex-wrap: wrap;
  }
  .cookie-banner__actions .btn {
    padding: .55rem .9rem;
    font-size: .85rem;
    min-height: 40px;
    flex: 1 1 auto;
  }
  .cookie-banner__detail {
    background: oklch(from var(--c-bg-deep) l c h / .6);
    padding: .85rem;
    border-radius: var(--radius-sm);
    display: flex; flex-direction: column; gap: .6rem;
    font-size: .85rem;
  }
  .cookie-banner__detail[hidden] { display: none; }
  .cookie-banner__detail .btn { min-height: 40px; }

  @media (max-width: 480px) {
    .cookie-banner {
      bottom: 8px; left: 8px; right: 8px;
      padding: .8rem .9rem;
      gap: .55rem;
      border-radius: 14px;
    }
    .cookie-banner__head strong { font-size: .95rem; }
    .cookie-banner__head p { font-size: .78rem; line-height: 1.4; }
    .cookie-banner__actions .btn { font-size: .82rem; padding: .5rem .7rem; }
  }
}

/* ==========================================================================
   @layer utilities — small helpers
   ========================================================================== */
@layer utilities {
  .muted { color: var(--c-muted); }
  .small { font-size: .85rem; }
  .text-center { text-align: center; }

  /* Reveal on scroll (osservato da JS) */
  .reveal {
    opacity: 0; transform: translateY(16px);
    transition: opacity var(--t-slow), transform var(--t-slow);
    will-change: opacity, transform;
  }
  .reveal.is-visible { opacity: 1; transform: none; }

  @media (prefers-reduced-motion: reduce) {
    .reveal { opacity: 1; transform: none; transition: none; }
    *, *::before, *::after {
      animation-duration: .01ms !important;
      animation-iteration-count: 1 !important;
      transition-duration: .01ms !important;
    }
  }
}

/* ==========================================================================
   View Transitions (cross-document, opt-in via main.js)
   ========================================================================== */
@view-transition { navigation: auto; }

::view-transition-old(root),
::view-transition-new(root) {
  animation-duration: 320ms;
  animation-timing-function: var(--ease-out);
}
::view-transition-old(root) { animation-name: vt-fade-out; }
::view-transition-new(root) { animation-name: vt-fade-in; }

@keyframes vt-fade-out { to   { opacity: 0; transform: translateY(-4px); } }
@keyframes vt-fade-in  { from { opacity: 0; transform: translateY(8px); } }

::view-transition-old(site-header),
::view-transition-new(site-header) {
  animation: none;
  mix-blend-mode: normal;
}

@media (prefers-reduced-motion: reduce) {
  @view-transition { navigation: none; }
}