/* ============================================================
   DISTILLATORI.COM — Design System
   Tattika Srl | Versione 1.0
   ============================================================ */

/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* Palette ufficiale */
  --color-lavender:    #B1AABF;
  --color-sage:        #8ABF92;
  --color-neon-green:  #0DF205;
  --color-forest:      #1A8C16;
  --color-dark-green:  #20591E;

  /* Funzionali — tema chiaro */
  --color-bg-dark:     #f0f2f0;
  --color-bg-card:     #ffffff;
  --color-bg-section:  #e8ece8;
  --color-bg-light:    #f7f9f7;
  --color-text-primary:#1a2e19;
  --color-text-muted:  #4a5e48;
  --color-border:      rgba(26,140,22,0.15);
  --color-border-hover:rgba(26,140,22,0.5);
  --color-glow:        rgba(26,140,22,0.12);
  --color-glow-strong: rgba(26,140,22,0.25);

  /* Tipografia */
  --font-display: 'Inter', sans-serif;
  --font-body:    'Inter', sans-serif;
  --font-mono:    ui-monospace, 'SFMono-Regular', 'Consolas', monospace;

  /* Scale tipografica */
  --text-xs:   0.75rem;   /* 12px */
  --text-sm:   0.875rem;  /* 14px */
  --text-base: 1rem;      /* 16px */
  --text-lg:   1.25rem;   /* 20px */
  --text-xl:   1.5rem;    /* 24px */
  --text-2xl:  2rem;      /* 32px */
  --text-3xl:  3rem;      /* 48px */
  --text-4xl:  4rem;      /* 64px */
  --text-5xl:  5rem;      /* 80px */

  /* Spacing */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Layout */
  --container-max: 1280px;
  --container-pad: clamp(1rem, 4vw, 2rem);

  /* Border radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;

  /* Transizioni */
  --transition-fast:   150ms ease;
  --transition-normal: 300ms ease;
  --transition-slow:   500ms ease;

  /* Ombre */
  --shadow-card:  0 2px 16px rgba(0,0,0,0.08), 0 1px 4px rgba(0,0,0,0.04);
  --shadow-glow:  0 0 20px var(--color-glow);
  --shadow-glow-strong: 0 0 40px var(--color-glow-strong);
}

/* ── Accessibilità: focus visibile ── */
:focus-visible {
  outline: 2px solid var(--color-forest);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* ── Skip link ── */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  background: var(--color-forest);
  color: var(--color-bg-dark);
  padding: var(--space-2) var(--space-4);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--text-sm);
  border-radius: var(--radius-sm);
  z-index: 9999;
  text-decoration: none;
  transition: top var(--transition-fast);
}
.skip-link:focus { top: var(--space-4); }

/* ── HTML & Body ── */
html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-text-primary);
  background-color: var(--color-bg-dark);
  min-height: 100vh;
  overflow-x: hidden;
}

/* ── Tipografia ── */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-body);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-text-primary);
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(var(--text-2xl), 5vw, var(--text-4xl)); }
h2 { font-size: clamp(var(--text-xl), 3.5vw, var(--text-3xl)); }
h3 { font-size: clamp(var(--text-lg), 2.5vw, var(--text-xl)); }
h4 { font-size: var(--text-lg); }
h5 { font-size: var(--text-base); font-weight: 600; }
h6 { font-size: var(--text-sm); font-weight: 600; }

p { margin-bottom: var(--space-4); max-width: 70ch; }
p:last-child { margin-bottom: 0; }

a {
  color: var(--color-sage);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--transition-fast);
}
a:hover { color: var(--color-forest); }

strong, b { font-weight: 600; }
em, i { font-style: italic; }

/* Dati tecnici */
.mono, code, kbd, samp {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background: rgba(26,140,22,0.07);
  padding: 0.15em 0.45em;
  border-radius: var(--radius-sm);
  color: var(--color-forest);
}

/* ── Layout Container ── */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.container--narrow {
  max-width: 860px;
}

/* ── Grid ── */
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 480px), 1fr)); gap: var(--space-8); }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr)); gap: var(--space-6); }
.grid-4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr)); gap: var(--space-6); }

/* Griglia listing prodotti — 2 colonne, card orizzontali */
.prodotti-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 520px), 1fr));
  gap: var(--space-4);
}

/* ── Sezioni ── */
.section {
  padding-block: clamp(var(--space-12), 5vw, var(--space-24));
}
.section--alt {
  background-color: var(--color-bg-section);
}

/* Bordo divisore sottile tra sezioni con stesso sfondo adiacenti */
.section--alt + .section--alt,
.section:not(.section--alt) + .section:not(.section--alt) {
  border-top: 1px solid var(--color-border);
}

/* Separazione netta tra hero e prima sezione */
.page-hero + .section,
.page-hero + .section--alt {
  border-top: 1px solid var(--color-border);
}
.section__header {
  text-align: center;
  margin-bottom: clamp(var(--space-6), 3vw, var(--space-12));
}
.section__label {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-forest);
  margin-bottom: var(--space-3);
}
.section__title {
  margin-bottom: var(--space-4);
}
.section__subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 60ch;
  margin-inline: auto;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.7em 1.6em;
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 600;
  letter-spacing: 0;
  text-decoration: none;
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-normal), background-color var(--transition-fast), color var(--transition-fast);
  white-space: nowrap;
}
.btn:focus-visible {
  outline: 2px solid var(--color-forest);
  outline-offset: 3px;
}
.btn:active { transform: scale(0.97); }

.btn--primary {
  background-color: var(--color-forest);
  color: var(--color-bg-dark);
  border-color: var(--color-forest);
}
.btn--primary:hover {
  background-color: #0be004;
  color: var(--color-bg-dark);
  box-shadow: var(--shadow-glow-strong);
  transform: translateY(-2px);
}

.btn--secondary {
  background-color: transparent;
  color: var(--color-sage);
  border-color: var(--color-forest);
}
.btn--secondary:hover {
  background-color: var(--color-forest);
  color: var(--color-text-primary);
  transform: translateY(-2px);
}

.btn--ghost {
  background-color: transparent;
  color: var(--color-text-primary);
  border-color: var(--color-border);
}
.btn--ghost:hover {
  border-color: var(--color-sage);
  color: var(--color-sage);
}

.btn--lg {
  font-size: var(--text-lg);
  padding: 0.85em 2.25em;
}
.btn--sm {
  font-size: var(--text-sm);
  padding: 0.5em 1.25em;
}

/* Pulse animation rimossa */
.btn--pulse { /* rimosso */ }

/* ── Badge ── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 0.25em 0.75em;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
}
.badge--atex {
  background-color: var(--color-dark-green);
  color: var(--color-forest);
  border: 1px solid rgba(13,242,5,0.3);
}
.badge--ce {
  background-color: rgba(138,191,146,0.15);
  color: var(--color-sage);
  border: 1px solid rgba(138,191,146,0.3);
}
.badge--iso {
  background-color: rgba(177,170,191,0.15);
  color: var(--color-lavender);
  border: 1px solid rgba(177,170,191,0.3);
}

/* ── Card Prodotto ── */
.card {
  background-color: var(--color-bg-card);
  border: 1px solid rgba(26,140,22,0.12);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
}
.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.10), 0 0 0 1px rgba(26,140,22,0.2);
  border-color: var(--color-border-hover);
}
.card__img-wrap {
  background: #ffffff;
  overflow: hidden;
  flex-shrink: 0;
}
.card__img {
  width: 100%;
  height: 190px;
  object-fit: contain;
  display: block;
  padding: .875rem;
  background: #ffffff;
}
.card__body {
  padding: var(--space-4) var(--space-4);
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.card__label {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-forest);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin: 0;
}
.card__title {
  font-size: var(--text-lg);
  margin: 0;
  line-height: 1.3;
}
.card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.55;
  flex: 1;
  margin: 0;
}
/* Badge dentro card body: non deve occupare tutta la larghezza */
.card__body .badge {
  align-self: flex-start;
  margin-top: var(--space-1);
}
.card__footer {
  padding: var(--space-3) var(--space-4);
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  flex-shrink: 0;
}

/* Card orizzontale — usata nella pagina listing prodotti */
.card--horizontal {
  flex-direction: row;
  align-items: stretch;
}
.card--horizontal .card__img-wrap {
  width: 180px;
  min-width: 180px;
  max-width: 180px;
  border-right: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
}
.card--horizontal .card__img {
  width: 100%;
  height: 160px;
  min-height: unset;
  object-fit: contain;
  padding: .75rem;
}
.card--horizontal .card__body {
  padding: var(--space-3) var(--space-4);
  justify-content: center;
}
.card--horizontal .card__title {
  font-size: var(--text-base);
  font-weight: 700;
  margin-bottom: var(--space-1);
}
@media (max-width: 600px) {
  .card--horizontal {
    flex-direction: column;
  }
  .card--horizontal .card__img-wrap {
    width: 100%;
    border-right: none;
    border-bottom: 1px solid var(--color-border);
  }
  .card--horizontal .card__img {
    height: 180px;
    min-height: unset;
  }
  .card--horizontal .card__footer {
    flex-direction: row !important;
    border-left: none !important;
    border-top: 1px solid var(--color-border) !important;
    min-width: unset !important;
    padding: var(--space-3) var(--space-4) !important;
  }
}

/* ── Tabella specifiche tecniche ── */
.specs-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-body);
  font-size: var(--text-sm);
}
.specs-table th,
.specs-table td {
  padding: var(--space-3) var(--space-4);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}
.specs-table th {
  color: var(--color-text-muted);
  font-weight: 600;
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  width: 40%;
}
.specs-table td {
  color: var(--color-text-primary);
  font-weight: 400;
}
.specs-table tr:last-child th,
.specs-table tr:last-child td { border-bottom: none; }
.specs-table tr:hover td { color: var(--color-forest); }

/* ── Form ── */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  margin-bottom: var(--space-4);
}
.form-label {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
}
.form-label .required {
  color: var(--color-forest);
  margin-left: 2px;
}
.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.75em 1em;
  background-color: rgba(255,255,255,0.04);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: var(--text-base);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  appearance: none;
  -webkit-appearance: none;
}
.form-input::placeholder,
.form-textarea::placeholder { color: rgba(232,245,224,0.35); }
.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-forest);
  box-shadow: 0 0 0 3px rgba(26,140,22,0.2);
}
.form-input:invalid:not(:placeholder-shown),
.form-select:invalid:not(:placeholder-shown) {
  border-color: #e05555;
}
.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%238ABF92' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1em center;
  padding-right: 2.5em;
  cursor: pointer;
}
.form-select option { background-color: var(--color-bg-card); }
.form-textarea {
  resize: vertical;
  min-height: 120px;
}
.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  cursor: pointer;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.5;
}
.form-checkbox input[type="checkbox"] {
  width: 18px;
  height: 18px;
  min-width: 18px;
  margin-top: 2px;
  accent-color: var(--color-forest);
  cursor: pointer;
}
.form-checkbox a { color: var(--color-sage); }
.form-honeypot { display: none !important; }
.form-error {
  font-size: var(--text-xs);
  color: #e05555;
  margin-top: var(--space-1);
}
.form-success {
  padding: var(--space-6);
  background: rgba(13,242,5,0.08);
  border: 1px solid rgba(13,242,5,0.3);
  border-radius: var(--radius-md);
  text-align: center;
  color: var(--color-forest);
  font-family: var(--font-display);
  font-size: var(--text-lg);
}

/* ── FAQ Accordion ── */
/* La sezione ROI ha meno padding verticale */
.section--roi {
  padding-block: clamp(var(--space-8), 4vw, var(--space-14));
}
.section--roi .section__header {
  margin-bottom: var(--space-5);
}

/* La sezione FAQ ha meno padding delle altre section */
.section--faq {
  padding-top: clamp(var(--space-8), 4vw, var(--space-16));
  padding-bottom: clamp(var(--space-16), 6vw, var(--space-24));
}
.section--faq .section__header {
  margin-bottom: var(--space-6);
}
.faq-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.faq-item {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.faq-item:has(.faq-question[aria-expanded="true"]) {
  border-color: rgba(26,140,22,0.35);
  box-shadow: 0 2px 12px rgba(26,140,22,0.07);
}
.faq-question {
  width: 100%;
  background: none;
  border: none;
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 600;
  text-align: left;
  padding: var(--space-3) var(--space-4);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-3);
  transition: color var(--transition-fast), background-color var(--transition-fast);
  line-height: 1.4;
}
.faq-question:hover {
  color: var(--color-forest);
  background: rgba(26,140,22,0.03);
}
.faq-question[aria-expanded="true"] {
  color: var(--color-forest);
  background: rgba(26,140,22,0.04);
}
.faq-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  color: var(--color-forest);
  transition: transform var(--transition-normal);
}
.faq-question[aria-expanded="true"] .faq-icon {
  transform: rotate(180deg);
}

/* Animazione con grid-template-rows — no JS maxHeight */
.faq-answer {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.28s ease;
}
.faq-answer:not([hidden]) {
  grid-template-rows: 1fr;
}
.faq-answer[hidden] {
  display: grid !important;
  grid-template-rows: 0fr;
}
.faq-answer__inner {
  overflow: hidden;
  padding: 0 var(--space-4);
  color: var(--color-text-muted);
  line-height: 1.7;
  font-size: var(--text-sm);
  transition: padding var(--transition-normal);
}
.faq-answer:not([hidden]) .faq-answer__inner {
  padding: 0 var(--space-4) var(--space-4);
}

/* ── Trust Bar / Loghi ── */
.trust-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--space-6);
  padding-block: var(--space-4);
}
.trust-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  opacity: 0.7;
  transition: opacity var(--transition-fast);
}
.trust-item:hover { opacity: 1; }
.trust-item__icon {
  width: 40px;
  height: 40px;
  object-fit: contain;
}
.trust-item__text {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
}

/* ── Stat Counter ── */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: var(--space-5);
  text-align: center;
}
.stat-item__number {
  font-family: var(--font-body);
  font-size: clamp(var(--text-2xl), 4vw, var(--text-3xl));
  font-weight: 700;
  color: var(--color-forest);
  line-height: 1;
  display: block;
  letter-spacing: -0.02em;
}
.stat-item__label {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-2);
}

/* ── ROI Calculator ── */

/* Card contenitore */
.roi-card {
  display: grid;
  grid-template-columns: 1fr 1px 1fr;
  gap: 0;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(0,0,0,.06);
}

@media (max-width: 720px) {
  .roi-card {
    grid-template-columns: 1fr;
  }
  .roi-card__divider {
    display: none;
  }
}

/* Colonna input */
.roi-card__inputs {
  padding: clamp(1.5rem, 3vw, 2rem);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

/* Divisore verticale */
.roi-card__divider {
  background: var(--color-border);
  width: 1px;
  align-self: stretch;
}

/* Colonna risultati */
.roi-card__results {
  padding: clamp(1.5rem, 3vw, 2rem);
  background: rgba(26,140,22,0.03);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  justify-content: center;
}

/* Gruppo slider */
.roi-slider-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.roi-slider-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--space-2);
}

.roi-slider-label {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-primary);
  cursor: pointer;
}

.roi-slider-value {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-forest);
  white-space: nowrap;
}

.roi-range-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.7rem;
  color: var(--color-text-muted);
  margin-top: 2px;
  letter-spacing: 0;
}

.roi-note {
  font-size: 0.7rem;
  color: var(--color-text-muted);
  line-height: 1.5;
  margin-top: auto;
  padding-top: var(--space-2);
  border-top: 1px solid var(--color-border);
}

/* Slider */
.roi-slider {
  width: 100%;
  accent-color: var(--color-forest);
  cursor: pointer;
  height: 4px;
  border-radius: 3px;
  margin-block: var(--space-1);
  display: block;
}

/* KPI primario — risparmio */
.roi-kpi {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.roi-kpi--primary {
  padding: var(--space-4);
  background: rgba(26,140,22,0.07);
  border: 1px solid rgba(26,140,22,0.18);
  border-radius: var(--radius-md);
  text-align: center;
}

.roi-kpi--primary .roi-kpi__label {
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: .05em;
}

.roi-kpi--primary .roi-kpi__value {
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 700;
  color: var(--color-forest);
  letter-spacing: -0.03em;
  line-height: 1.1;
  display: block;
  margin-top: var(--space-1);
}

/* KPI secondari — riga 2 metriche */
.roi-kpi-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2);
}

.roi-kpi--secondary {
  padding: var(--space-3) var(--space-3);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  text-align: center;
}

.roi-kpi--secondary .roi-kpi__label {
  font-size: 0.68rem;
  font-weight: 500;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: .04em;
  line-height: 1.3;
  display: block;
}

.roi-kpi--secondary .roi-kpi__value {
  font-size: clamp(var(--text-base), 2.5vw, var(--text-lg));
  font-weight: 700;
  color: var(--color-text-primary);
  letter-spacing: -0.02em;
  line-height: 1.2;
  display: block;
  margin-top: 2px;
}

/* CTA */
.roi-card__cta {
  width: 100%;
  justify-content: center;
  margin-top: auto;
}

.btn--full {
  width: 100%;
  justify-content: center;
  white-space: nowrap;
}

/* ── Breadcrumb ── */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  list-style: none;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  padding-block: var(--space-4);
}
.breadcrumb li + li::before {
  content: '/';
  margin-right: var(--space-2);
  opacity: 0.4;
}
.breadcrumb a {
  color: var(--color-text-muted);
  text-decoration: none;
}
.breadcrumb a:hover { color: var(--color-sage); }
.breadcrumb [aria-current="page"] { color: var(--color-text-primary); }

/* ── Animazioni viewport ── */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
.animate-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0);
}
/* Fallback: se JS non carica, mostra tutto */
.no-js .animate-on-scroll,
.animate-on-scroll:not([data-observed]) {
  opacity: 1;
  transform: none;
}
.animate-on-scroll.delay-1 { transition-delay: 0.08s; }
.animate-on-scroll.delay-2 { transition-delay: 0.16s; }
.animate-on-scroll.delay-3 { transition-delay: 0.24s; }
.animate-on-scroll.delay-4 { transition-delay: 0.32s; }

/* ── Utility ── */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}
.text-center { text-align: center; }
.text-muted   { color: var(--color-text-muted); }
.text-neon    { color: var(--color-forest); }
.text-mono    { font-family: var(--font-mono); }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.gap-2 { gap: var(--space-2); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.flex-wrap { flex-wrap: wrap; }

/* Divider */
.divider {
  border: none;
  border-top: 1px solid var(--color-border);
  margin-block: var(--space-8);
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .hide-mobile { display: none !important; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .grid-3 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr; }
}
@media (min-width: 769px) {
  .hide-desktop { display: none !important; }
}

/* ── Print ── */
@media print {
  body { background: #fff; color: #000; }
  .no-print, nav, footer { display: none; }
  a { color: #000; text-decoration: underline; }
}

/* ── Reduced motion ── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
}