/* ---------- Font self-hostati (Manrope + Lora, subset latin, woff2) ----------
   Sostituiscono il CSS remoto di Google Fonts: nessuna richiesta a Google
   (piu privacy/GDPR, un dominio in meno) e niente foglio di stile bloccante.
   File in static/fonts/. font-display:swap per non bloccare il primo render. */
@font-face{font-family:'Manrope';font-style:normal;font-weight:400;font-display:swap;src:url('/fonts/manrope-latin-400-normal.woff2') format('woff2')}
@font-face{font-family:'Manrope';font-style:normal;font-weight:500;font-display:swap;src:url('/fonts/manrope-latin-500-normal.woff2') format('woff2')}
@font-face{font-family:'Manrope';font-style:normal;font-weight:600;font-display:swap;src:url('/fonts/manrope-latin-600-normal.woff2') format('woff2')}
@font-face{font-family:'Manrope';font-style:normal;font-weight:700;font-display:swap;src:url('/fonts/manrope-latin-700-normal.woff2') format('woff2')}
@font-face{font-family:'Manrope';font-style:normal;font-weight:800;font-display:swap;src:url('/fonts/manrope-latin-800-normal.woff2') format('woff2')}
@font-face{font-family:'Lora';font-style:normal;font-weight:400;font-display:swap;src:url('/fonts/lora-latin-400-normal.woff2') format('woff2')}
@font-face{font-family:'Lora';font-style:normal;font-weight:500;font-display:swap;src:url('/fonts/lora-latin-500-normal.woff2') format('woff2')}
@font-face{font-family:'Lora';font-style:normal;font-weight:600;font-display:swap;src:url('/fonts/lora-latin-600-normal.woff2') format('woff2')}
@font-face{font-family:'Lora';font-style:italic;font-weight:400;font-display:swap;src:url('/fonts/lora-latin-400-italic.woff2') format('woff2')}
/* ============================================================
   ilMioAcquario — tema dal design Claude (Home.dc.html e sito/)
   Font: Manrope (UI/testo) + Lora (titoli, nomi scientifici)
   ============================================================ */
:root {
  --ink: oklch(0.25 0.03 230);
  --ink-soft: oklch(0.45 0.02 230);
  --bg: oklch(0.985 0.006 200);
  --bianco: #ffffff;
  --bordo: oklch(0.92 0.01 200);
  --header: oklch(0.24 0.055 235);
  --accent: oklch(0.45 0.09 165);
  --accent-scuro: oklch(0.38 0.08 165);
  --verde-chiaro: oklch(0.95 0.025 165);
  --verde-testo: oklch(0.38 0.07 165);
  --eyebrow-scuro: oklch(0.8 0.08 170);
  --grad-hero: linear-gradient(150deg, oklch(0.24 0.055 235) 0%, oklch(0.32 0.06 190) 70%, oklch(0.36 0.07 170) 100%);
  --grad-verde: linear-gradient(150deg, oklch(0.3 0.06 165), oklch(0.38 0.07 160));
  --grad-navy: linear-gradient(150deg, oklch(0.22 0.05 250), oklch(0.3 0.07 260));
  --raggio: 12px;
  --ombra: 0 1px 3px rgb(10 40 50 / 0.07);
  --max: 1400px;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-family: 'Manrope', system-ui, sans-serif;
  font-size: 16px; line-height: 1.6;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
h1, h2, h3, .sci { font-family: 'Lora', Georgia, serif; }
h1 { font-weight: 500; }

/* ---------- Header ---------- */
.site-header { background: var(--header); color: oklch(0.96 0.01 200); position: sticky; top: 0; z-index: 50; }
.site-header__inner { display: flex; align-items: center; gap: 28px; padding: 14px 36px; max-width: var(--max); margin: 0 auto; }
.logo { display: flex; align-items: center; }
.logo__img { height: 40px; width: auto; display: block; }
.nav { display: flex; gap: 6px; margin-left: auto; }
.nav__item > a { padding: 8px 14px; border-radius: 8px; font-weight: 600; font-size: 15px; }
.nav__item > a:hover, .nav__item > a.is-active { background: rgb(255 255 255 / 0.09); }
.search__input {
  background: rgb(255 255 255 / 0.08); border: 1px solid rgb(255 255 255 / 0.15);
  color: inherit; border-radius: 999px; padding: 9px 18px; width: 230px; font: inherit; font-size: 14px;
}
.search__input::placeholder { color: rgb(255 255 255 / 0.5); }

/* ---------- Hero sezioni ---------- */
.hero-sezione { background: var(--grad-verde); color: #fff; padding: 40px 0 46px; }
.hero-sezione--navy { background: var(--grad-navy); }
.hero-sezione__inner { max-width: var(--max); margin: 0 auto; padding: 0 36px; }
.hero-sezione h1 { font-size: clamp(32px, 4vw, 44px); margin: 10px 0 8px; }
.hero-sezione p { max-width: 62ch; color: rgb(255 255 255 / 0.85); }
.hero-articolo h1 { max-width: 26ch; }
.hero-articolo__autore { margin-top: 18px; font-size: 14px; color: rgb(255 255 255 / 0.8); }
.hero-articolo__meta { font-size: 13px; color: rgb(255 255 255 / 0.8); align-self: center; }
.articolo-testata { display: flex; align-items: center; flex-wrap: wrap; gap: 14px; margin-bottom: 16px; }
.articolo-testata__meta { font-size: 12px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: rgb(255 255 255 / 0.78); }

/* ---------- Layout ---------- */
.layout { max-width: var(--max); margin: 0 auto; padding: 36px; }
.layout--rail { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 36px; align-items: start; }
.layout--tree { display: grid; grid-template-columns: 260px minmax(0, 1fr) 320px; gap: 36px; align-items: start; }
.rail { display: grid; grid-template-columns: minmax(0, 1fr); gap: 20px; position: sticky; top: 84px; }
.section { margin-bottom: 44px; }
.section__head { display: flex; justify-content: space-between; align-items: baseline; }
.section__title { font-size: 30px; margin: 0 0 6px; }
.section__sub { margin: 0 0 20px; color: var(--ink-soft); }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }

/* ---------- Componenti base ---------- */
.eyebrow { color: var(--verde-testo); font-size: 12px; font-weight: 800; letter-spacing: 0.12em; text-transform: uppercase; }
.eyebrow--light { color: var(--eyebrow-scuro); }
.link-arrow { color: var(--verde-testo); font-weight: 700; font-size: 15px; }
.link-arrow:hover { text-decoration: underline; }
.btn { display: inline-block; background: var(--accent); color: #fff; font-weight: 700; padding: 10px 20px; border-radius: 10px; border: 0; cursor: pointer; font: inherit; font-weight: 700; }
.btn:hover { background: var(--accent-scuro); }
.btn--ghost { background: #fff; color: var(--ink); border: 1px solid var(--bordo); }
.btn--ghost:hover { background: var(--verde-chiaro); color: var(--verde-testo); border-color: var(--verde-testo); }

.chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 10px 0; }
.chip { background: var(--verde-chiaro); color: var(--verde-testo); font-size: 13px; font-weight: 600; padding: 5px 12px; border-radius: 999px; }
.chips--filtri .chip { background: rgb(255 255 255 / 0.1); color: #fff; border: 1px solid rgb(255 255 255 / 0.25); }
.chips--filtri .chip.is-active { background: #fff; color: var(--ink); }
button.chip { font-family: inherit; cursor: pointer; }
.newsletter-privacy { font-size: 12px; line-height: 1.5; color: var(--ink-soft); margin: 10px 0 0; }
.newsletter-privacy a { text-decoration: underline; }
.badges { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0; }
.badge { font-family: 'Manrope', sans-serif; font-size: 13px; font-weight: 700; padding: 5px 12px; border-radius: 999px; background: var(--verde-chiaro); color: var(--verde-testo); }
.badge--chiaro { background: var(--verde-chiaro); color: var(--verde-testo); }
.badge--facile { background: oklch(0.45 0.09 160); color: #fff; }
.badge--media { background: oklch(0.6 0.12 70); color: #fff; }
.badge--difficile, .badge--impegnativa { background: oklch(0.5 0.16 25); color: #fff; }
.badge--molto-difficile { background: oklch(0.4 0.17 25); color: #fff; }

/* ---------- Filtri (bottoni difficoltà) ---------- */
.filtri { display: flex; flex-wrap: wrap; gap: 10px; margin: 0 0 22px; }
.filtro { font-family: 'Manrope', sans-serif; font-size: 14px; font-weight: 600; padding: 9px 18px; border-radius: 999px; border: 1px solid var(--bordo); background: #fff; color: var(--ink); cursor: pointer; transition: background .12s, color .12s, border-color .12s; }
.filtro:hover { border-color: var(--verde-testo); }
.filtro.is-active { background: var(--verde-testo); border-color: var(--verde-testo); color: #fff; }
.sci { font-style: italic; color: var(--ink-soft); }
.sci--grande { font-size: 19px; margin: 4px 0 0; }
.foto-placeholder {
  display: grid; place-items: center; width: 100%; height: 100%; min-height: 90px;
  background: repeating-linear-gradient(45deg, oklch(0.93 0.015 180), oklch(0.93 0.015 180) 12px, oklch(0.9 0.02 180) 12px, oklch(0.9 0.02 180) 24px);
  color: var(--ink-soft); font-family: ui-monospace, monospace; font-size: 12px;
}
.breadcrumb { font-size: 13px; margin-bottom: 8px; opacity: 0.9; }
.breadcrumb a:hover { text-decoration: underline; }

/* ---------- Card ---------- */
.card-specie, .card-mondo, .card-categoria, .card-famiglia, .card-articolo, .box {
  background: var(--bianco); border: 1px solid var(--bordo); border-radius: var(--raggio); box-shadow: var(--ombra);
}
.card-specie { display: block; overflow: hidden; transition: transform 0.15s, box-shadow 0.15s; }
.card-specie:hover { transform: translateY(-2px); box-shadow: 0 6px 18px rgb(10 40 50 / 0.12); }
.card-specie__foto { position: relative; aspect-ratio: 16/7.5; overflow: hidden; }
.card-specie__foto img { width: 100%; height: 100%; object-fit: cover; }
.card-specie__foto .badge { position: absolute; top: 10px; left: 10px; z-index: 2; }
.card-specie__body { padding: 14px 16px 16px; }
.card-specie__body h3 { margin: 4px 0 2px; font-family: 'Manrope', sans-serif; font-size: 17px; font-weight: 800; }
.card-specie__meta { display: flex; gap: 14px; font-size: 13px; color: var(--ink-soft); border-top: 1px solid var(--bordo); margin-top: 10px; padding-top: 9px; }
.card-specie__meta b { color: var(--ink); }
.card-mondo { overflow: hidden; }
.card-mondo__foto { aspect-ratio: 16/5; overflow: hidden; }
.card-mondo__foto img { width: 100%; height: 100%; object-fit: cover; display: block; }
.card-mondo__body { padding: 16px 20px 18px; }
.card-mondo__body h3 { margin: 0 0 4px; font-size: 22px; }
.card-categoria, .card-famiglia { overflow: hidden; display: block; }
.card-categoria__foto { aspect-ratio: 16/5; }
.card-categoria__body { padding: 14px 18px 16px; }
/*.card-categoria__head, .card-famiglia__head { display: flex; justify-content: space-between; align-items: baseline; }*/
.card-categoria__head h3, .card-famiglia__head h3 { margin: 0; font-family: 'Manrope', sans-serif; font-size: 18px; font-weight: 800; }
.card-categoria__head span, .card-famiglia__head span { font-size: 13px; color: var(--ink-soft); }
.card-famiglia { display: flex; gap: 14px; align-items: flex-start; padding: 12px; transition: transform 0.15s, box-shadow 0.15s; }
.card-famiglia:hover { transform: translateY(-2px); box-shadow: 0 6px 18px rgb(10 40 50 / 0.12); }
.card-famiglia__foto { flex: 0 0 96px; height: 72px; border-radius: 8px; overflow: hidden; }
.card-famiglia__foto img { width: 100%; height: 100%; object-fit: cover; display: block; }
.card-categoria__foto img { width: 100%; height: 100%; object-fit: cover; display: block; }
.card-famiglia__body { flex: 1; padding: 4px 4px 4px 0; }
.card-famiglia__descr { margin: 6px 0 0; font-size: 13px; line-height: 1.45; color: var(--ink-soft); }
.card-famiglia__specie { margin: 6px 0 0; font-size: 13px; color: var(--verde-testo); font-weight: 600; }
.card-articolo { display: flex; gap: 18px; padding: 16px; margin-bottom: 16px; transition: box-shadow 0.15s; }
.card-articolo:hover { box-shadow: 0 6px 18px rgb(10 40 50 / 0.12); }
.card-articolo__foto { flex: 0 0 170px; border-radius: 8px; overflow: hidden; min-height: 110px; }
.card-articolo h3 { margin: 4px 0 6px; font-family: 'Manrope', sans-serif; font-size: 19px; font-weight: 800; }
.card-articolo p { margin: 0; color: var(--ink-soft); font-size: 15px; }
.card-articolo__meta { font-size: 13px; color: var(--ink-soft); margin-left: 10px; }
.card-articolo__foto img { width: 100%; height: 100%; object-fit: cover; }

.prosa h1 { display: none; } /* il titolo è già nella testata */
.prosa h2 { font-size: 28px; margin: 36px 0 10px; }
.prosa--seo { margin-top: 8px; }
.prosa--articolo h2 { font-size: 26px; }
.prosa figure { margin: 24px 0; }
.prosa figure img { width: 100%; height: auto; border-radius: 12px; display: block; }
.prosa figcaption { font-size: 12px; color: var(--ink-soft); padding: 8px 2px 0; line-height: 1.5; }
.prosa figcaption a { text-decoration: underline; }

/* ---------- Specie simili / prodotti ---------- */
.specie-simili h2, .prodotti h2 { font-size: 26px; }
.specie-simili__lista, .prodotti__lista { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.mini-card, .prodotto { display: flex; gap: 12px; align-items: center; background: var(--bianco); border: 1px solid var(--bordo); border-radius: 10px; padding: 12px; }
.mini-card:hover, .prodotto:hover { box-shadow: var(--ombra); }
.mini-card__foto { flex: 0 0 44px; height: 44px; border-radius: 8px; background: var(--verde-chiaro); overflow: hidden; }
.mini-card__foto img { width: 100%; height: 100%; object-fit: cover; display: block; }
.mini-card small, .prodotto small { display: block; color: var(--ink-soft); }
.prodotto { flex-direction: column; align-items: flex-start; gap: 4px; }
.prodotti__disclosure { font-size: 12px; color: var(--ink-soft); }

/* ---------- Albero laterale ---------- */
.albero { position: sticky; top: 84px; max-height: calc(100vh - 104px); overflow-y: auto; overscroll-behavior: contain; padding-right: 4px; }
.albero__su { display: block; font-size: 12px; font-weight: 800; letter-spacing: 0.1em; text-transform: uppercase; color: var(--verde-testo); margin-bottom: 10px; }
.albero__voce { display: flex; justify-content: space-between; padding: 9px 12px; border-radius: 8px; font-weight: 600; }
.albero__voce span { color: var(--ink-soft); font-size: 13px; }
.albero__voce:hover { background: var(--verde-chiaro); }
.albero__voce.is-active { background: var(--verde-chiaro); color: var(--verde-testo); }
.albero__gruppo { margin-bottom: 10px; }
.albero__voce--head { font-weight: 700; }
.albero__famiglie { list-style: none; margin: 2px 0 4px; padding: 0; }
.albero__famiglie li { display: block; }
.albero__famiglia { display: block; padding: 7px 12px 7px 24px; border-radius: 8px; font-size: 15px; font-weight: 500; color: var(--ink-soft); }
.albero__famiglia:hover { background: var(--verde-chiaro); color: var(--verde-testo); }
.albero__famiglia.is-active { background: var(--verde-chiaro); color: var(--verde-testo); font-weight: 700; }
.albero__tutte { display: block; padding: 6px 12px 6px 24px; font-size: 13px; font-weight: 600; color: var(--verde-testo); }
.albero__tutte:hover { text-decoration: underline; }

/* ---------- Box laterali ---------- */
.box { padding: 18px 20px; }
.box h4 { margin: 4px 0 8px; font-size: 17px; }
.box--verde { background: var(--verde-chiaro); border-color: transparent; }
.box--newsletter { background: var(--header); color: #fff; border-color: transparent; }
.box--newsletter input { width: 100%; margin: 10px 0; padding: 10px 12px; border-radius: 8px; border: 1px solid rgb(255 255 255 / 0.2); background: rgb(255 255 255 / 0.08); color: #fff; font: inherit; font-size: 14px; }
.box--newsletter .btn { width: 100%; }

/* ---------- Ads ---------- */
.adslot { background: oklch(0.96 0.006 220); border: 1px dashed oklch(0.85 0.012 220); border-radius: 10px; display: grid; place-content: center; justify-items: center; gap: 5px; text-align: center; margin: 24px 0; }
.adslot__label { font-family: 'Lora', Georgia, serif; font-size: 12px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--ink); }
.adslot__size { font-family: 'Lora', Georgia, serif; font-size: 12px; color: var(--ink-soft); }
.adslot--in-article { min-height: 110px; }
.adslot--skyscraper { min-height: 480px; }
.adslot--rectangle { min-height: 250px; }
/* Slot con annuncio AdSense reale: niente cornice segnaposto, min-height mantenuta per ridurre il layout shift */
.adslot--attivo { border: none; background: none; display: block; width: 100%; }
.adslot--attivo .adsbygoogle { display: block; width: 100%; min-height: inherit; }

/* ---------- Footer ---------- */
.site-footer { background: oklch(0.2 0.045 240); color: oklch(0.9 0.01 200); margin-top: 56px; }
.site-footer__inner { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 32px; max-width: var(--max); margin: 0 auto; padding: 40px 36px; }
.site-footer__logo { height: 44px; width: auto; display: block; margin-bottom: 12px; }
.site-footer__brand p { color: oklch(0.75 0.02 210); font-size: 14px; max-width: 40ch; }
.site-footer__col h4 { margin: 0 0 10px; font-size: 15px; }
.site-footer__col a { display: block; padding: 4px 0; color: oklch(0.78 0.02 210); font-size: 14px; }
.site-footer__col a:hover { color: #fff; }
.site-footer__bottom { border-top: 1px solid rgb(255 255 255 / 0.1); text-align: center; padding: 16px; font-size: 13px; color: oklch(0.7 0.02 210); }

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
  .layout--tree { grid-template-columns: minmax(0, 1fr) 300px; }
  .albero { display: none; }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 860px) {
  .layout--rail, .layout--tree { grid-template-columns: 1fr; }
  .rail { position: static; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .scheda-testata { grid-template-columns: 1fr; }
  .parametri__griglia { grid-template-columns: repeat(2, 1fr); }
  .parametri__griglia > div:nth-child(-n+4) { border-top: 1px solid var(--bordo); }
  .parametri__griglia > div:nth-child(-n+2) { border-top: 0; }
  .site-header__inner { flex-wrap: wrap; padding: 12px 20px; gap: 10px; }
  .search { order: 3; width: 100%; }
  .search__input { width: 100%; }
  .site-footer__inner { grid-template-columns: 1fr 1fr; }
  .layout { padding: 24px 20px; }
  .specie-simili__lista, .prodotti__lista { grid-template-columns: 1fr; }
  .card-articolo { flex-direction: column; }
}

/* ---------- Mega menu ---------- */
.nav__item { position: static; display: inline-block; }
.nav .caret { font-size: 10px; opacity: 0.7; }
.mega {
  position: absolute; left: 0; right: 0; top: 100%;
  background: var(--bianco); color: var(--ink);
  border-bottom: 1px solid var(--bordo);
  box-shadow: 0 18px 40px rgb(10 40 50 / 0.18);
  /* chiusura con tolleranza: resta visibile 0.25s dopo l'uscita del mouse */
  visibility: hidden; opacity: 0; translate: 0 -4px;
  transition: opacity 0.15s ease, translate 0.15s ease, visibility 0s linear 0.25s;
  pointer-events: none;
}
/* ponte invisibile che copre lo spazio tra la voce di menu e il pannello,
   così l'hover non si interrompe durante il passaggio del mouse */
.mega::before {
  content: ""; position: absolute; left: 0; right: 0; top: -26px; height: 26px;
}
.nav__item.has-mega:hover .mega,
.nav__item.has-mega:focus-within .mega {
  visibility: visible; opacity: 1; translate: 0 0;
  transition-delay: 0s; pointer-events: auto;
}
.mega__inner {
  max-width: var(--max); margin: 0 auto; padding: 26px 36px 30px;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px;
}
.mega__titolo {
  display: flex; justify-content: space-between; align-items: baseline;
  font-weight: 800; font-size: 16px; padding-bottom: 8px; margin-bottom: 6px;
  border-bottom: 2px solid var(--verde-chiaro);
}
.mega__titolo:hover { color: var(--verde-testo); }
.mega__titolo span { font-size: 12px; font-weight: 600; color: var(--ink-soft); }
.mega__voce {
  display: flex; justify-content: space-between; gap: 10px;
  padding: 6px 8px; margin: 0 -8px; border-radius: 7px; font-size: 14px; font-weight: 600;
}
.mega__voce span { color: var(--ink-soft); font-size: 12px; }
.mega__voce:hover { background: var(--verde-chiaro); color: var(--verde-testo); }
.mega__tutte { display: inline-block; margin-top: 8px; font-size: 13px; font-weight: 800; color: var(--verde-testo); }
.mega__tutte:hover { text-decoration: underline; }
.mega__col--cta { border-left: 1px solid var(--bordo); padding-left: 28px; }
/* Variante "wide" (più di 3 sottosezioni, es. acqua marina):
   la CTA diventa una barra orizzontale a piè di pannello. */
.mega--wide .mega__inner { row-gap: 20px; }
.mega__footer {
  grid-column: 1 / -1;
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  border-top: 1px solid var(--bordo); padding-top: 16px;
}
.mega__footer .eyebrow { margin-right: 6px; }
.mega__pill {
  font-size: 13px; font-weight: 700; color: var(--verde-testo);
  background: var(--verde-chiaro); border-radius: 999px; padding: 6px 14px;
  transition: background 0.15s, color 0.15s;
}
.mega__pill:hover { background: var(--verde-testo); color: #fff; }
@media (max-width: 860px) {
  .mega, .nav .caret { display: none !important; }
}

/* ---------- Menu mobile (bottom bar + bottom sheet) ----------
   Dal design sito/Home Mobile.dc.html — visibile solo sotto 860px. */
.bottom-nav, .sheet, .sheet-scrim { display: none; }

@media (max-width: 860px) {
  body { padding-bottom: 64px; }
  body.sheet-aperto { overflow: hidden; }
  .nav { display: none; } /* la navigazione desktop lascia il posto alla bottom bar */
  .search { display: none; } /* la ricerca è nella bottom bar (tab "Cerca") */

  .bottom-nav {
    position: fixed; left: 0; right: 0; bottom: 0; height: 64px; z-index: 100;
    display: grid; grid-template-columns: repeat(5, 1fr);
    background: var(--header); color: oklch(0.78 0.03 205);
    border-top: 1px solid oklch(0.32 0.05 225);
    padding-bottom: env(safe-area-inset-bottom);
  }
  .bottom-nav__tab {
    display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 3px;
    font: inherit; font-size: 10.5px; font-weight: 700; color: inherit;
    background: none; border: 0; cursor: pointer; padding: 0;
  }
  .bottom-nav__icona { font-size: 18px; line-height: 1; }
  .bottom-nav__tab.is-active, .bottom-nav__tab.is-open { color: oklch(0.85 0.09 175); }

  .sheet-scrim {
    display: block; position: fixed; inset: 0; z-index: 90;
    background: oklch(0.15 0.03 235 / 0.55);
  }
  .sheet-scrim[hidden] { display: none; }

  .sheet {
    position: fixed; left: 0; right: 0; bottom: 64px; z-index: 95;
    display: flex; flex-direction: column; max-height: 70vh;
    background: var(--bianco); border-radius: 20px 20px 0 0;
    box-shadow: 0 -12px 40px oklch(0.2 0.04 235 / 0.3);
  }
  .sheet[hidden] { display: none; }
  .sheet__handle { width: 40px; height: 4px; border-radius: 999px; background: oklch(0.85 0.01 220); margin: 10px auto 0; }
  .sheet__head { display: flex; align-items: baseline; gap: 10px; padding: 14px 20px 4px; }
  .sheet__titolo { font-family: 'Lora', serif; font-size: 22px; }
  .sheet__count { font-family: ui-monospace, monospace; font-size: 11px; color: var(--verde-testo); }
  .sheet__chiudi {
    margin-left: auto; width: 36px; height: 36px; align-self: center;
    display: flex; align-items: center; justify-content: center;
    background: none; border: 0; border-radius: 10px; cursor: pointer;
    color: var(--ink-soft); font-size: 15px;
  }
  .sheet__chiudi:hover { background: oklch(0.95 0.01 220); }
  .sheet__griglia {
    overflow-y: auto; overscroll-behavior: contain;
    padding: 8px 20px 20px; display: grid; grid-template-columns: 1fr 1fr; gap: 10px;
  }
  .sheet__card {
    border: 1px solid oklch(0.9 0.01 210); border-radius: 14px; padding: 14px;
    display: flex; flex-direction: column; gap: 4px; min-height: 44px;
  }
  .sheet__card:hover { border-color: var(--accent); background: var(--verde-chiaro); }
  .sheet__nome { font-weight: 800; font-size: 14.5px; }
  .sheet__sub { font-size: 12px; color: var(--ink-soft); line-height: 1.4; }
  .sheet__cta {
    grid-column: 1 / -1; background: var(--accent); color: #fff;
    font-weight: 700; font-size: 14px; border-radius: 12px; padding: 14px; text-align: center;
  }
  .sheet__cta:hover { background: var(--accent-scuro); }
}


/* ---------- Regole condivise da più tipi di pagina (spostate qui dai moduli) ---------- */
/* rail sinistra: usata in guide list e guide single */
.layout--guida { display: grid; grid-template-columns: 260px minmax(0, 1fr); gap: 36px; align-items: start; max-width: var(--max); margin: 0 auto; padding: 36px; }
.rail--sinistra { display: grid; grid-template-columns: minmax(0, 1fr); gap: 20px; position: sticky; top: 84px; }
/* animazione hero: base per sfondo-banda e sfondo-fondale */
.hero-sezione--animato { position: relative; overflow: hidden; }
.hero-sezione--animato .hero-sezione__inner { position: relative; }
/* link freccia a blocco: guide */
.link-arrow--block { display: block; margin-top: 10px; }
/* badge livello guide: usati in guide list e nell'hero delle guide single */
/* ---------- Badge livello guide ---------- */
.badge--principiante { background: var(--verde-chiaro); color: var(--verde-testo); }
.badge--intermedio { background: oklch(0.92 0.09 85); color: oklch(0.42 0.09 70); }
.badge--esperto { background: oklch(0.9 0.06 20); color: oklch(0.45 0.16 25); }