/* softwarepivot.com: design system.
   Token e scelte in docs/04-design-softwarepivot.md. Mobile-first: le regole
   base valgono da 320 px, i media query allargano (40rem, 48rem, 60rem). */

/* ---------- Font (ospitati in locale) ---------- */

@font-face {
  font-family: "IBM Plex Sans";
  font-style: normal;
  font-weight: 100 700;
  font-display: swap;
  src: url(/assets/fonts/ibm-plex-sans-latin.e2291e84.woff2) format("woff2");
}

@font-face {
  font-family: "IBM Plex Mono";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(/assets/fonts/ibm-plex-mono-400-latin.08949f72.woff2) format("woff2");
}

/* ---------- Token ---------- */

:root {
  --c-bg: #ffffff;
  --c-paper: #f5f7f9;
  --c-ink: #1b1f24;
  --c-ink-2: #3d444d;
  --c-muted: #5b636d;
  --c-rule: #d9dde3;
  --c-accent: #1d4ed8;
  --c-accent-ink: #1e3a8a;
  --c-accent-tint: #eef3fd;
  --c-track: #dfe5ee;
  --c-pro: #0f766e;
  --c-pro-tint: #e7f4f2;
  --c-con: #b42318;
  --c-con-tint: #fcefed;

  --f-sans: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --f-mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;

  --t-body: 1.0625rem;   /* 17 px */
  --t-small: 0.875rem;   /* 14 px */
  --t-label: 0.78125rem; /* 12.5 px */
  --t-h3: 1.1875rem;     /* 19 px */
  --t-h2: 1.4375rem;     /* 23 px */
  --t-h1: 1.875rem;      /* 30 px */
  --t-lead: 1.6875rem;   /* 27 px */
  --t-score: 2.5rem;     /* 40 px */

  --s-1: 0.25rem;
  --s-2: 0.5rem;
  --s-3: 0.75rem;
  --s-4: 1rem;
  --s-5: 1.5rem;
  --s-6: 2rem;
  --s-7: 3rem;
  --s-8: 4rem;
  --s-9: 6rem;

  --gutter: 1.5rem;
  --measure: 45rem;
  --pivot: 1.25rem; /* lato degli angolari pivot */
}

@media (min-width: 48rem) {
  :root {
    --t-body: 1.125rem;  /* 18 px */
    --t-label: 0.8125rem;
    --t-h3: 1.3125rem;
    --t-h2: 1.6875rem;
    --t-h1: 2.625rem;
    --t-lead: 2.25rem;
    --t-score: 3rem;
  }
}

/* ---------- Base ---------- */

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

body {
  margin: 0;
  background: var(--c-bg);
  color: var(--c-ink);
  font-family: var(--f-sans);
  font-size: var(--t-body);
  line-height: 1.6;
  font-variant-numeric: tabular-nums;
}

img,
svg {
  max-width: 100%;
}

img {
  display: block;
  height: auto;
}

a {
  color: var(--c-accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--c-accent-ink);
  text-decoration-thickness: 2px;
}

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

h1,
h2,
h3 {
  margin: 0;
  font-weight: 600;
  letter-spacing: -0.012em;
}

p,
ul,
ol,
dl,
figure {
  margin: 0;
}

.sp-wrap {
  max-width: 75rem;
  margin-inline: auto;
  padding-inline: var(--s-4);
}

@media (min-width: 48rem) {
  .sp-wrap {
    padding-inline: var(--s-6);
  }
}

/* Etichetta mono: sezioni, indici, didascalie. */
.sp-label {
  display: block;
  font-family: var(--f-mono);
  font-size: var(--t-label);
  font-weight: 400;
  line-height: 1.4;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-muted);
}

.sp-index {
  display: block;
  font-family: var(--f-mono);
  font-size: var(--t-label);
  letter-spacing: 0.08em;
  color: var(--c-accent);
}

.sp-more {
  font-size: var(--t-small);
  font-weight: 600;
}

.sp-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-1) var(--s-3);
  margin-top: var(--s-2);
  font-family: var(--f-mono);
  font-size: 0.8125rem;
  color: var(--c-muted);
}

.sp-meta > * + *::before {
  content: "/";
  margin-right: var(--s-3);
  color: var(--c-rule);
}

.sp-badge {
  display: inline-block;
  padding: 0.125rem 0.4rem;
  border-radius: 2px;
  background: var(--c-accent);
  color: #fff;
  font-family: var(--f-mono);
  font-size: 0.71875rem;
  font-weight: 400;
  line-height: 1.5;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  white-space: nowrap;
}

/* Angolari pivot: due quarti di riquadro, alto-sinistra e basso-destra. */
.sp-framed,
.cta-box {
  position: relative;
  padding: var(--s-5);
}

.sp-framed::before,
.sp-framed::after,
.cta-box::before,
.cta-box::after {
  content: "";
  position: absolute;
  width: var(--pivot);
  height: var(--pivot);
  pointer-events: none;
}

.sp-framed::before,
.cta-box::before {
  top: 0;
  left: 0;
  border-top: 2px solid var(--c-accent);
  border-left: 2px solid var(--c-accent);
}

.sp-framed::after,
.cta-box::after {
  right: 0;
  bottom: 0;
  border-right: 2px solid var(--c-accent);
  border-bottom: 2px solid var(--c-accent);
}

/* ---------- Skip link, avviso, header ---------- */

.sp-skip {
  position: absolute;
  left: var(--s-4);
  top: -3rem;
  z-index: 20;
  padding: var(--s-2) var(--s-3);
  background: var(--c-ink);
  color: #fff;
}

.sp-skip:focus {
  top: var(--s-2);
  color: #fff;
}

.sp-notice {
  background: var(--c-ink);
  color: #fff;
  font-family: var(--f-mono);
  font-size: 0.78125rem;
  line-height: 1.45;
}

.sp-notice p {
  padding-block: var(--s-2);
}

.sp-header {
  border-bottom: 1px solid var(--c-rule);
}

.sp-header__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  column-gap: var(--s-6);
  padding-top: var(--s-4);
}

.sp-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--c-ink);
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.025em;
  text-decoration: none;
}

.sp-logo:hover {
  color: var(--c-ink);
}

.sp-logo__word span {
  color: var(--c-accent);
}

.sp-mark {
  flex: none;
  fill: none;
  stroke: var(--c-accent);
  stroke-width: 2.4;
  stroke-linecap: square;
}

.sp-mark circle {
  fill: var(--c-accent);
  stroke: none;
}

/* Su mobile la navigazione va sotto il logo. Se le voci non stanno su una riga
   sola vanno a capo su una seconda, invece di uscire dallo schermo. */
.sp-nav {
  flex: 1 0 100%;
  margin-top: var(--s-3);
}

.sp-nav ul {
  display: flex;
  flex-wrap: wrap;
  column-gap: var(--s-5);
  row-gap: var(--s-1);
  padding: 0;
  list-style: none;
}

.sp-nav a {
  display: block;
  padding-block: var(--s-2);
  color: var(--c-ink-2);
  font-size: 0.9375rem;
  text-decoration: none;
  box-shadow: inset 0 -2px 0 transparent;
}

.sp-nav a:hover {
  color: var(--c-ink);
  box-shadow: inset 0 -2px 0 var(--c-rule);
}

.sp-nav a[aria-current] {
  color: var(--c-ink);
  font-weight: 600;
  box-shadow: inset 0 -2px 0 var(--c-accent);
}

@media (min-width: 60rem) {
  .sp-header__inner {
    flex-wrap: nowrap;
    padding-top: 0;
  }

  .sp-nav {
    flex: 0 1 auto;
    margin-top: 0;
  }

  .sp-nav ul {
    flex-wrap: nowrap;
  }

  .sp-nav a {
    padding-block: 1.375rem;
  }
}

/* ---------- Card articolo ---------- */

.sp-card__media {
  display: block;
  margin-bottom: var(--s-4);
}

.sp-card__media img {
  aspect-ratio: 4 / 3;
  object-fit: cover;
  object-position: center;
  border: 1px solid var(--c-rule);
  background: var(--c-accent-tint);
}

@media (min-width: 48rem) {
  .sp-card__media img {
    aspect-ratio: 16 / 9;
  }
}

.sp-card__kicker {
  margin-bottom: var(--s-2);
  font-family: var(--f-mono);
  font-size: var(--t-label);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.sp-card__kicker a {
  text-decoration: none;
}

.sp-card__title {
  font-size: var(--t-h3);
  line-height: 1.3;
}

.sp-card__title a {
  color: var(--c-ink);
  text-decoration: none;
}

.sp-card__title a:hover {
  color: var(--c-accent);
  text-decoration: underline;
  text-decoration-thickness: 2px;
}

.sp-card__dek {
  margin-top: var(--s-2);
  color: var(--c-ink-2);
}

.sp-card--lead .sp-card__title {
  font-size: var(--t-lead);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.sp-card--lead .sp-card__dek {
  font-size: 1.125rem;
  max-width: 38rem;
}

.sp-card--row {
  padding-block: var(--s-4);
  border-top: 1px solid var(--c-rule);
}

.sp-card--row .sp-card__title {
  font-size: 1.125rem;
}

.sp-card--row .sp-card__dek {
  font-size: 0.9375rem;
}

.sp-card--compact .sp-card__title {
  font-size: 1.0625rem;
}

@media (min-width: 48rem) {
  .sp-card--wide {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: var(--s-5);
    align-items: start;
  }

  .sp-card--wide .sp-card__media {
    margin-bottom: 0;
  }

  .sp-card--wide .sp-card__title {
    font-size: var(--t-h2);
    line-height: 1.2;
  }
}

/* ---------- Home ---------- */

.sp-home-intro {
  display: grid;
  gap: var(--s-4);
  padding-block: var(--s-6) var(--s-5);
  border-bottom: 2px solid var(--c-ink);
}

.sp-home-intro__title {
  max-width: 22ch;
  font-size: var(--t-h1);
  line-height: 1.12;
  letter-spacing: -0.025em;
}

.sp-home-intro__text {
  color: var(--c-ink-2);
  font-size: 1rem;
}

.sp-home-intro__text p + p {
  margin-top: var(--s-3);
}

.sp-home-top {
  display: grid;
  gap: var(--s-6);
  padding-block: var(--s-6);
}

.sp-latest {
  padding-top: var(--s-4);
  border-top: 1px solid var(--c-ink);
}

.sp-latest__list {
  padding: 0;
  list-style: none;
}

.sp-latest__list li {
  display: grid;
  grid-template-columns: 2.5rem 1fr;
  gap: var(--s-3);
  padding-block: var(--s-4);
  border-bottom: 1px solid var(--c-rule);
}

.sp-latest__list li:last-child {
  border-bottom: 0;
}

.sp-latest__n {
  font-family: var(--f-mono);
  font-size: 1.5rem;
  line-height: 1.1;
  color: var(--c-accent);
}

.sp-latest__title {
  font-size: 1.0625rem;
  line-height: 1.3;
}

.sp-latest__title a {
  color: var(--c-ink);
  text-decoration: none;
}

.sp-latest__title a:hover {
  color: var(--c-accent);
  text-decoration: underline;
}

.sp-latest .sp-card__kicker {
  margin-bottom: var(--s-1);
}

.sp-home-cat {
  padding-block: var(--s-6);
}

.sp-section-head {
  display: grid;
  gap: var(--s-2);
  padding-top: var(--s-4);
  margin-bottom: var(--s-5);
  border-top: 2px solid var(--c-ink);
}

.sp-section-head h2 {
  font-size: var(--t-h2);
  line-height: 1.2;
}

.sp-section-head h2 a {
  color: var(--c-ink);
  text-decoration: none;
}

.sp-section-head h2 a:hover {
  color: var(--c-accent);
}

.sp-section-head__dek {
  max-width: 40rem;
  color: var(--c-ink-2);
  font-size: 1rem;
}

.sp-home-cat__grid {
  display: grid;
  gap: var(--s-5);
}

.sp-method {
  display: grid;
  gap: var(--s-5);
  margin-block: var(--s-6) var(--s-7);
  padding: var(--s-5) var(--s-4);
  background: var(--c-paper);
  border-top: 2px solid var(--c-ink);
}

.sp-method h2 {
  margin-block: var(--s-2) var(--s-3);
  font-size: var(--t-h2);
  line-height: 1.2;
}

.sp-method__intro p {
  color: var(--c-ink-2);
  margin-bottom: var(--s-3);
}

.sp-method__rules {
  padding: 0;
  list-style: none;
  counter-reset: rule;
}

.sp-method__rules li {
  position: relative;
  padding: var(--s-3) 0 var(--s-3) 2.5rem;
  border-top: 1px solid var(--c-rule);
  counter-increment: rule;
  color: var(--c-ink-2);
}

.sp-method__rules li::before {
  content: counter(rule, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: var(--s-3);
  font-family: var(--f-mono);
  font-size: var(--t-label);
  line-height: 2;
  color: var(--c-accent);
}

.sp-method__rules strong {
  display: block;
  color: var(--c-ink);
}

@media (min-width: 60rem) {
  .sp-home-intro {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    column-gap: var(--gutter);
    align-items: end;
    padding-block: var(--s-7) var(--s-6);
  }

  .sp-home-intro__title {
    grid-column: 1 / span 7;
  }

  .sp-home-intro__text {
    grid-column: 9 / span 4;
  }

  .sp-home-top {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    column-gap: var(--gutter);
    padding-block: var(--s-7);
  }

  .sp-home-top__lead {
    grid-column: 1 / span 8;
  }

  .sp-latest {
    grid-column: 9 / span 4;
    padding-top: 0;
    padding-left: var(--gutter);
    border-top: 0;
    border-left: 1px solid var(--c-rule);
  }

  .sp-section-head {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    column-gap: var(--gutter);
    align-items: baseline;
  }

  .sp-section-head .sp-index {
    grid-column: 1 / span 1;
  }

  .sp-section-head h2 {
    grid-column: 2 / span 4;
  }

  .sp-section-head__dek {
    grid-column: 6 / span 5;
  }

  .sp-section-head .sp-more {
    grid-column: 11 / span 2;
    justify-self: end;
  }

  .sp-home-cat__grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    column-gap: var(--gutter);
  }

  .sp-home-cat__feature {
    grid-column: 2 / span 5;
  }

  .sp-home-cat__rows {
    grid-column: 8 / span 5;
  }

  /* Sezioni alterne: la card con illustrazione passa a destra. */
  .sp-home-cat--flip .sp-home-cat__feature {
    grid-column: 8 / span 5;
    grid-row: 1;
  }

  .sp-home-cat--flip .sp-home-cat__rows {
    grid-column: 2 / span 5;
    grid-row: 1;
  }

  .sp-home-cat__rows .sp-card--row:first-child {
    padding-top: 0;
    border-top: 0;
  }

  .sp-method {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    column-gap: var(--gutter);
    padding: var(--s-6) var(--s-5);
  }

  .sp-method__intro {
    grid-column: 1 / span 5;
  }

  .sp-method__rules {
    grid-column: 7 / span 6;
  }
}

/* ---------- Breadcrumb, categoria ---------- */

.sp-crumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-2);
  padding: 0;
  list-style: none;
  font-family: var(--f-mono);
  font-size: var(--t-label);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--c-muted);
}

.sp-crumbs li + li::before {
  content: "/";
  margin-right: var(--s-2);
  color: var(--c-rule);
}

.sp-crumbs a {
  text-decoration: none;
}

.sp-cat-head {
  padding-block: var(--s-6) var(--s-5);
  border-bottom: 2px solid var(--c-ink);
}

.sp-cat-head h1 {
  margin-top: var(--s-3);
  font-size: var(--t-h1);
  line-height: 1.12;
  letter-spacing: -0.025em;
}

.sp-cat-head__dek {
  max-width: 40rem;
  margin-top: var(--s-3);
  color: var(--c-ink-2);
  font-size: 1.125rem;
}

.sp-cat-head__count {
  margin-top: var(--s-4);
  font-family: var(--f-mono);
  font-size: var(--t-label);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-accent);
}

.sp-cat-grid {
  display: grid;
  gap: var(--s-6);
  padding-block: var(--s-6) var(--s-7);
}

.sp-cat-list {
  margin-top: var(--s-6);
  padding: 0;
  list-style: none;
}

.sp-cat-list li {
  display: grid;
  grid-template-columns: 4.5rem 1fr;
  gap: var(--s-3);
  padding-block: var(--s-5);
  border-top: 1px solid var(--c-rule);
}

.sp-cat-list__date {
  font-family: var(--f-mono);
  font-size: 0.8125rem;
  line-height: 1.5;
  color: var(--c-ink);
}

.sp-cat-list__date span {
  display: block;
  color: var(--c-muted);
}

.sp-cat-list__title {
  font-size: 1.1875rem;
  line-height: 1.3;
}

.sp-cat-list__title a {
  color: var(--c-ink);
  text-decoration: none;
}

.sp-cat-list__title a:hover {
  color: var(--c-accent);
  text-decoration: underline;
}

.sp-cat-side {
  display: grid;
  gap: var(--s-6);
  align-content: start;
}

.sp-start {
  background: var(--c-accent-tint);
}

.sp-start__title {
  margin-block: var(--s-2);
  font-size: 1.125rem;
  font-weight: 600;
  line-height: 1.3;
}

.sp-start__title a {
  color: var(--c-ink);
}

.sp-start p:last-child {
  color: var(--c-ink-2);
  font-size: 0.9375rem;
}

.sp-side-nav ul {
  margin-top: var(--s-2);
  padding: 0;
  list-style: none;
}

.sp-side-nav li {
  border-top: 1px solid var(--c-rule);
}

.sp-side-nav a {
  display: block;
  padding-block: var(--s-3);
  color: var(--c-ink);
  text-decoration: none;
}

.sp-side-nav a:hover {
  color: var(--c-accent);
}

@media (min-width: 60rem) {
  .sp-cat-head {
    padding-block: var(--s-7) var(--s-6);
  }

  .sp-cat-grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    column-gap: var(--gutter);
  }

  .sp-cat-main {
    grid-column: 1 / span 8;
  }

  .sp-cat-side {
    grid-column: 10 / span 3;
  }

  .sp-cat-list li {
    grid-template-columns: 7rem 1fr;
  }
}

/* ---------- Articolo ---------- */

.sp-article-head h1 {
  max-width: 22ch;
  font-size: var(--t-h1);
  line-height: 1.15;
  letter-spacing: -0.025em;
}

.sp-article-head__dek {
  max-width: 40rem;
  margin-top: var(--s-4);
  color: var(--c-ink-2);
  font-size: 1.1875rem;
  line-height: 1.5;
}

.sp-byline {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-1) var(--s-4);
  margin-top: var(--s-5);
  padding-top: var(--s-3);
  border-top: 1px solid var(--c-rule);
  font-family: var(--f-sans);
  font-size: 0.875rem;
  color: var(--c-muted);
}

.sp-byline span:first-child {
  color: var(--c-ink);
}

.sp-disclosure {
  margin-top: var(--s-3);
  font-size: var(--t-small);
  color: var(--c-muted);
}

.sp-article-fig img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  object-position: center;
  border: 1px solid var(--c-rule);
  background: var(--c-accent-tint);
}

@media (min-width: 48rem) {
  .sp-article-fig img {
    aspect-ratio: 16 / 9;
  }
}

.sp-article-fig figcaption {
  display: flex;
  gap: var(--s-3);
  margin-top: var(--s-2);
  font-family: var(--f-mono);
  font-size: 0.8125rem;
  line-height: 1.5;
  color: var(--c-muted);
}

.sp-article-fig figcaption span {
  flex: none;
  color: var(--c-accent);
}

/* Un solo contenitore a griglia per crumbs, testata, illustrazione, indice,
   "In short" e testo: stesse due colonne (principale a sinistra, laterale a
   destra) ovunque, così non ci sono più larghezze diverse tra gli elementi. */
.sp-article-grid {
  display: grid;
  gap: var(--s-5);
  padding-block: var(--s-6) var(--s-7);
}

.sp-article-body {
  min-width: 0;
  max-width: var(--measure);
}

.sp-article-crumbs {
  margin: 0;
}

/* Indice: su mobile solo <details>, su desktop colonna sticky. */
.sp-toc {
  display: none;
}

.sp-toc-mobile {
  margin-bottom: var(--s-6);
  border-block: 1px solid var(--c-rule);
}

.sp-toc-mobile summary {
  padding-block: var(--s-3);
  font-family: var(--f-mono);
  font-size: var(--t-label);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-ink);
  cursor: pointer;
}

.sp-toc-mobile ol,
.sp-toc ol {
  padding: 0;
  list-style: none;
  counter-reset: toc;
}

.sp-toc-mobile ol {
  padding-bottom: var(--s-3);
}

.sp-toc-mobile li,
.sp-toc li {
  counter-increment: toc;
}

.sp-toc-mobile a,
.sp-toc a {
  display: grid;
  grid-template-columns: 2rem 1fr;
  padding-block: 0.4rem;
  color: var(--c-ink-2);
  font-size: 0.9375rem;
  line-height: 1.4;
  text-decoration: none;
}

.sp-toc-mobile a::before,
.sp-toc a::before {
  content: counter(toc, decimal-leading-zero);
  font-family: var(--f-mono);
  font-size: var(--t-label);
  line-height: 1.7;
  color: var(--c-accent);
}

.sp-toc-mobile a:hover,
.sp-toc a:hover {
  color: var(--c-accent);
}

.sp-inshort ul {
  margin-top: var(--s-3);
  padding: 0;
  list-style: none;
}

.sp-inshort li {
  position: relative;
  padding-left: var(--s-4);
  font-size: 0.9375rem;
  line-height: 1.5;
}

.sp-inshort li + li {
  margin-top: var(--s-3);
}

.sp-inshort li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 0.375rem;
  height: 0.375rem;
  background: var(--c-accent);
}

.sp-article-foot {
  margin-top: var(--s-7);
  padding-top: var(--s-4);
  border-top: 1px solid var(--c-rule);
  font-size: var(--t-small);
  color: var(--c-muted);
}

.sp-related {
  padding-block: var(--s-5) var(--s-7);
}

.sp-related__list {
  display: grid;
  gap: 0 var(--gutter);
  margin-top: var(--s-3);
  border-top: 2px solid var(--c-ink);
}

.sp-related .sp-card {
  padding-block: var(--s-4);
  border-bottom: 1px solid var(--c-rule);
}

@media (min-width: 48rem) {
  .sp-related__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .sp-related .sp-card {
    border-bottom: 0;
  }
}

@media (min-width: 60rem) {
  .sp-article-grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    column-gap: var(--gutter);
    padding-top: var(--s-7);
  }

  /* Stessa colonna (1-8) per crumbs, testata, illustrazione e testo:
     allineati tra loro e con la home (sp-home-top__lead usa lo stesso 1/8). */
  .sp-article-crumbs,
  .sp-article-head,
  .sp-article-fig,
  .sp-article-body {
    grid-column: 1 / span 8;
  }

  /* La colonna laterale copre tutte le righe (dai crumbs al testo), non solo
     l'altezza della testata: resta fissa mentre si scorre l'articolo. */
  .sp-article-side {
    grid-column: 9 / span 4;
    grid-row: 1 / -1;
    align-self: start;
    position: sticky;
    top: var(--s-5);
    display: grid;
    gap: var(--s-6);
  }

  .sp-toc {
    display: block;
  }

  .sp-toc ol {
    margin-top: var(--s-2);
    padding-left: 0;
    border-left: 1px solid var(--c-rule);
  }

  .sp-toc a {
    padding-left: var(--s-3);
    margin-left: -1px;
    border-left: 2px solid transparent;
  }

  .sp-toc a:hover {
    border-left-color: var(--c-accent);
  }

  .sp-toc-mobile {
    display: none;
  }
}

/* ---------- Testo dell'articolo ---------- */

.sp-prose {
  counter-reset: sec;
}

.sp-prose > * + * {
  margin-top: 1.1em;
}

.sp-prose h2 {
  counter-increment: sec;
  margin-top: 2.6em;
  padding-top: var(--s-4);
  border-top: 1px solid var(--c-rule);
  font-size: var(--t-h2);
  line-height: 1.25;
  scroll-margin-top: var(--s-4);
}

.sp-prose h2::before {
  content: counter(sec, decimal-leading-zero);
  display: block;
  margin-bottom: var(--s-2);
  font-family: var(--f-mono);
  font-size: var(--t-label);
  font-weight: 400;
  letter-spacing: 0.08em;
  color: var(--c-accent);
}

.sp-prose > h2:first-child {
  margin-top: 0;
}

.sp-prose h3 {
  margin-top: 1.8em;
  font-size: var(--t-h3);
  line-height: 1.3;
}

.sp-prose h2 + *,
.sp-prose h3 + * {
  margin-top: 0.6em;
}

.sp-prose ul,
.sp-prose ol {
  padding-left: 1.4em;
}

.sp-prose li + li {
  margin-top: 0.4em;
}

.sp-prose ul li::marker {
  color: var(--c-accent);
}

.sp-prose ol li::marker {
  font-family: var(--f-mono);
  font-size: 0.875em;
  color: var(--c-accent);
}

.sp-prose strong {
  font-weight: 600;
}

.sp-prose code,
.sp-prose kbd {
  padding: 0.05em 0.3em;
  background: var(--c-paper);
  border: 1px solid var(--c-rule);
  font-family: var(--f-mono);
  font-size: 0.85em;
}

.sp-prose blockquote {
  margin: 1.4em 0;
  padding-left: var(--s-4);
  border-left: 3px solid var(--c-accent);
  color: var(--c-ink-2);
}

.sp-prose table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
}

.sp-prose th,
.sp-prose td {
  padding: var(--s-2) var(--s-3);
  border-bottom: 1px solid var(--c-rule);
  text-align: left;
  vertical-align: top;
}

.sp-prose > .sp-verdict,
.sp-prose > .sp-compare,
.sp-prose > .sp-specs,
.sp-prose > .sp-ratings,
.sp-prose > .sp-proscons,
.sp-prose > .cta-box,
.sp-prose > .sp-faq {
  margin-block: var(--s-6);
}

/* ---------- Verdetto in 30 secondi ---------- */

.sp-verdict {
  background: var(--c-paper);
}

.sp-verdict__grid {
  display: grid;
  gap: var(--s-4);
  margin-top: var(--s-3);
}

.sp-verdict__pick {
  font-weight: 600;
  font-size: 1.125rem;
  line-height: 1.3;
}

.sp-score {
  display: flex;
  align-items: baseline;
  gap: var(--s-1);
  margin-block: var(--s-1) var(--s-2);
  font-family: var(--f-mono);
  line-height: 1;
}

.sp-score__n {
  font-size: var(--t-score);
  color: var(--c-accent);
}

.sp-score__of {
  font-size: 1rem;
  color: var(--c-muted);
}

.sp-verdict__summary {
  font-size: 1.0625rem;
  font-weight: 600;
  line-height: 1.45;
}

.sp-verdict ul {
  margin-top: var(--s-3);
  padding: 0;
  list-style: none;
}

.sp-verdict li {
  position: relative;
  padding-left: var(--s-4);
  font-size: 0.9375rem;
  line-height: 1.5;
}

.sp-verdict li + li {
  margin-top: var(--s-2);
}

.sp-verdict li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 0.375rem;
  height: 0.375rem;
  background: var(--c-accent);
}

.sp-verdict__best {
  margin-top: var(--s-4);
  border-top: 1px solid var(--c-rule);
}

.sp-verdict__best div {
  display: grid;
  grid-template-columns: 7.5rem 1fr;
  gap: var(--s-3);
  padding-block: var(--s-2);
  border-bottom: 1px solid var(--c-rule);
  font-size: 0.9375rem;
}

.sp-verdict__best dt {
  font-family: var(--f-mono);
  font-size: var(--t-label);
  line-height: 1.9;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--c-muted);
}

.sp-verdict__best dd {
  margin: 0;
}

@media (min-width: 40rem) {
  .sp-verdict__grid {
    grid-template-columns: 10rem 1fr;
    gap: var(--s-5);
  }

  .sp-verdict__score {
    padding-right: var(--s-5);
    border-right: 1px solid var(--c-rule);
  }
}

/* ---------- Tabella comparativa ---------- */

.sp-compare__caption {
  display: grid;
  gap: var(--s-1);
  margin-bottom: var(--s-3);
  font-weight: 600;
  line-height: 1.35;
}

.sp-compare__hint {
  margin-bottom: var(--s-2);
  font-family: var(--f-mono);
  font-size: 0.75rem;
  color: var(--c-muted);
}

.sp-compare__scroll {
  overflow-x: auto;
  border-top: 2px solid var(--c-ink);
  border-bottom: 1px solid var(--c-ink);
}

.sp-compare table {
  width: 100%;
  min-width: 38rem;
  border-collapse: collapse;
  font-size: 0.9375rem;
  line-height: 1.4;
}

.sp-compare th,
.sp-compare td {
  padding: var(--s-3);
  border-bottom: 1px solid var(--c-rule);
  text-align: left;
  vertical-align: top;
}

.sp-compare tbody tr:last-child > * {
  border-bottom: 0;
}

.sp-compare thead th {
  font-family: var(--f-mono);
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--c-muted);
  white-space: nowrap;
}

.sp-compare tbody th {
  position: sticky;
  left: 0;
  z-index: 1;
  min-width: 9.5rem;
  background: var(--c-bg);
  font-weight: 600;
}

.sp-compare__name {
  display: block;
}

.sp-compare tbody th .sp-badge {
  margin-top: var(--s-1);
}

.sp-compare tr.is-pick > * {
  background: var(--c-accent-tint);
}

.sp-compare tr.is-pick > th {
  box-shadow: inset 3px 0 0 var(--c-accent);
}

.sp-compare__score {
  font-family: var(--f-mono);
  white-space: nowrap;
}

.sp-minibar {
  display: inline-block;
  width: 3.5rem;
  height: 0.375rem;
  margin-right: var(--s-2);
  vertical-align: middle;
  background: var(--c-track);
}

.sp-minibar span {
  display: block;
  height: 100%;
  background: var(--c-accent);
}

.sp-compare__note {
  margin-top: var(--s-2);
  font-size: 0.8125rem;
  color: var(--c-muted);
}

@media (min-width: 48rem) {
  .sp-compare__hint {
    display: none;
  }
}

/* ---------- Scheda specifiche ---------- */

.sp-specs__title,
.sp-ratings__title {
  margin-bottom: var(--s-3);
  font-size: var(--t-h3);
  line-height: 1.3;
}

.sp-specs__list {
  border-top: 2px solid var(--c-ink);
}

.sp-specs__row {
  display: grid;
  grid-template-columns: 8.5rem 1fr;
  gap: var(--s-3);
  padding-block: 0.625rem;
  border-bottom: 1px solid var(--c-rule);
  font-size: 0.9375rem;
  line-height: 1.45;
}

.sp-specs__row dt {
  font-family: var(--f-mono);
  font-size: 0.75rem;
  line-height: 1.9;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--c-muted);
}

.sp-specs__row dd {
  margin: 0;
}

@media (min-width: 40rem) {
  .sp-specs__list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    column-gap: var(--s-6);
  }
}

/* ---------- Rating a barre ---------- */

.sp-ratings__list {
  padding: 0;
  list-style: none;
  border-top: 2px solid var(--c-ink);
}

.sp-rating {
  display: grid;
  grid-template-columns: 1fr 3rem;
  grid-template-areas:
    "label value"
    "bar bar"
    "note note";
  column-gap: var(--s-3);
  row-gap: var(--s-1);
  padding-block: var(--s-3);
  border-bottom: 1px solid var(--c-rule);
}

.sp-rating__label {
  grid-area: label;
  font-size: 0.9375rem;
  font-weight: 600;
}

.sp-rating__value {
  grid-area: value;
  justify-self: end;
  font-family: var(--f-mono);
  font-size: 0.9375rem;
  color: var(--c-accent);
}

.sp-rating__bar {
  grid-area: bar;
  display: block;
  height: 0.5rem;
  background: var(--c-track);
}

.sp-rating__fill {
  display: block;
  height: 100%;
  background: var(--c-accent);
}

.sp-rating__note {
  grid-area: note;
  font-size: 0.875rem;
  color: var(--c-muted);
}

.sp-ratings__method {
  margin-top: var(--s-2);
  font-size: 0.8125rem;
  color: var(--c-muted);
}

@media (min-width: 40rem) {
  .sp-rating {
    grid-template-columns: 9rem 1fr 3rem;
    grid-template-areas:
      "label bar value"
      ". note note";
    align-items: center;
  }
}

/* ---------- Pro e contro ---------- */

.sp-proscons {
  display: grid;
  gap: var(--s-4);
}

.sp-proscons__col {
  padding: var(--s-4) var(--s-4) var(--s-5);
  border-top: 3px solid;
}

.sp-proscons__col--pro {
  background: var(--c-pro-tint);
  border-color: var(--c-pro);
}

.sp-proscons__col--con {
  background: var(--c-con-tint);
  border-color: var(--c-con);
}

.sp-proscons h3 {
  font-family: var(--f-mono);
  font-size: var(--t-label);
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.sp-proscons__col--pro h3 {
  color: var(--c-pro);
}

.sp-proscons__col--con h3 {
  color: var(--c-con);
}

.sp-proscons ul {
  margin-top: var(--s-3);
  padding: 0;
  list-style: none;
}

.sp-proscons li {
  position: relative;
  padding-left: 1.5rem;
  font-size: 0.9375rem;
  line-height: 1.5;
}

.sp-proscons li + li {
  margin-top: var(--s-2);
}

.sp-proscons li::before {
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--f-mono);
  font-weight: 400;
}

.sp-proscons__col--pro li::before {
  content: "+";
  color: var(--c-pro);
}

.sp-proscons__col--con li::before {
  content: "\2212";
  color: var(--c-con);
}

@media (min-width: 40rem) {
  .sp-proscons {
    grid-template-columns: 1fr 1fr;
  }
}

/* ---------- CTA box ---------- */

.cta-box {
  background: var(--c-paper);
}

.cta-box__title {
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1.3;
}

.cta-box__text {
  margin-top: var(--s-2);
  color: var(--c-ink-2);
}

.cta-box__action {
  margin-top: var(--s-4);
}

.cta-box__button {
  display: inline-block;
  min-height: 2.75rem;
  padding: 0.6875rem 1.375rem;
  border-radius: 2px;
  background: var(--c-accent);
  color: #fff;
  font-weight: 600;
  line-height: 1.35;
  text-decoration: none;
}

.cta-box__button:hover {
  background: var(--c-accent-ink);
  color: #fff;
}

.cta-box__note {
  margin-top: var(--s-3);
  font-family: var(--f-mono);
  font-size: 0.75rem;
  line-height: 1.5;
  color: var(--c-muted);
}

/* ---------- FAQ ---------- */

.sp-faq h2 {
  margin-bottom: var(--s-3);
}

.sp-faq__item {
  border-top: 1px solid var(--c-rule);
}

.sp-faq__item:last-child {
  border-bottom: 1px solid var(--c-rule);
}

.sp-faq__item summary {
  position: relative;
  padding: var(--s-4) 2.5rem var(--s-4) 0;
  font-weight: 600;
  line-height: 1.4;
  list-style: none;
  cursor: pointer;
}

.sp-faq__item summary::-webkit-details-marker {
  display: none;
}

.sp-faq__item summary::after {
  content: "+";
  position: absolute;
  right: var(--s-2);
  top: var(--s-4);
  font-family: var(--f-mono);
  font-weight: 400;
  color: var(--c-accent);
}

.sp-faq__item[open] summary::after {
  content: "\2212";
}

.sp-faq__a {
  padding-bottom: var(--s-4);
  color: var(--c-ink-2);
}

/* ---------- Pagine semplici ---------- */

.sp-plain {
  max-width: 75rem;
  padding-block: var(--s-7);
}

.sp-plain h1 {
  margin-block: var(--s-3) var(--s-4);
  font-size: var(--t-h1);
  line-height: 1.15;
}

.sp-plain .sp-prose,
.sp-plain .sp-side-nav {
  max-width: var(--measure);
}

.sp-plain .sp-side-nav {
  margin-top: var(--s-6);
}

/* ---------- Footer ---------- */

.sp-footer {
  margin-top: var(--s-7);
  background: var(--c-paper);
  border-top: 2px solid var(--c-ink);
  font-size: 0.9375rem;
}

.sp-footer__grid {
  display: grid;
  gap: var(--s-6);
  padding-block: var(--s-6);
}

.sp-footer__logo {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: var(--s-3);
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: -0.025em;
}

.sp-footer__logo span span {
  color: var(--c-accent);
}

.sp-footer__about p:last-child {
  max-width: 30rem;
  color: var(--c-ink-2);
}

.sp-footer__nav ul {
  margin-top: var(--s-3);
  padding: 0;
  list-style: none;
}

.sp-footer__nav li + li {
  margin-top: var(--s-2);
}

.sp-footer__nav a {
  color: var(--c-ink);
  text-decoration: none;
}

.sp-footer__nav a:hover {
  color: var(--c-accent);
  text-decoration: underline;
}

.sp-footer__base {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--s-2) var(--s-5);
  padding-block: var(--s-4) var(--s-8);
  border-top: 1px solid var(--c-rule);
  font-family: var(--f-mono);
  font-size: 0.78125rem;
  color: var(--c-muted);
}

@media (min-width: 48rem) {
  .sp-footer__grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    column-gap: var(--gutter);
  }

  .sp-footer__about {
    grid-column: 1 / span 5;
  }

  .sp-footer__nav {
    grid-column: span 3;
  }

  .sp-footer__nav:first-of-type {
    grid-column: 7 / span 3;
  }

  .sp-footer__base {
    padding-bottom: var(--s-5);
  }
}

/* ---------- Cookie banner ---------- */

.cookie-banner {
  position: fixed;
  left: var(--s-3);
  right: var(--s-3);
  bottom: var(--s-3);
  z-index: 30;
  max-width: 26rem;
  padding: var(--s-4);
  background: var(--c-bg);
  border: 1px solid var(--c-ink);
  font-size: var(--t-small);
  line-height: 1.5;
}

.cookie-banner p {
  margin-bottom: var(--s-3);
}

.cookie-banner__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-2);
}

.cookie-banner button {
  min-height: 2.5rem;
  padding: var(--s-2) var(--s-4);
  border: 1px solid var(--c-ink);
  border-radius: 2px;
  background: var(--c-bg);
  color: var(--c-ink);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

.cookie-banner button[data-consent="accept"] {
  background: var(--c-accent);
  border-color: var(--c-accent);
  color: #fff;
}

.cookie-banner button[data-consent="settings"] {
  border-color: transparent;
  color: var(--c-accent);
  text-decoration: underline;
  text-underline-offset: 0.18em;
}

.cookie-banner button:hover {
  border-color: var(--c-accent-ink);
}