/* ═══════════════════════════════════════════════════════════════════════
   OTTIPAZZA — rivista di ottimizzazione applicata
   Design: editoriale contemporaneo. Bianco, inchiostro, un rosso.
   Archivo (display) · Source Serif 4 (testo) · IBM Plex Mono (dati)
   ═══════════════════════════════════════════════════════════════════════ */

/* ── Font (self-hosted, licenza SIL OFL) ─────────────────────────────── */
@font-face {
  font-family: "Archivo";
  src: url("/static/fonts/archivo.woff2") format("woff2");
  font-weight: 100 900; font-stretch: 62% 125%;
  font-style: normal; font-display: swap;
}
@font-face {
  font-family: "Source Serif 4";
  src: url("/static/fonts/source-serif-4.woff2") format("woff2");
  font-weight: 200 900; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "Source Serif 4";
  src: url("/static/fonts/source-serif-4-italic.woff2") format("woff2");
  font-weight: 200 900; font-style: italic; font-display: swap;
}
@font-face {
  font-family: "IBM Plex Mono";
  src: url("/static/fonts/plex-mono.woff2") format("woff2");
  font-weight: 400; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "IBM Plex Mono";
  src: url("/static/fonts/plex-mono-500.woff2") format("woff2");
  font-weight: 500; font-style: normal; font-display: swap;
}

/* ── Variabili ───────────────────────────────────────────────────────── */
:root {
  --carta:        #FAFAF7;
  --carta-chiara: #FFFFFF;
  --carta-scura:  #F1F0EA;
  --inchiostro:   #141414;
  --inchiostro-2: #4C4C47;
  --muto:         #85857D;
  --linea:        #E6E5DF;
  --linea-media:  #C9C8C0;
  --rosso:        #E23A1E;
  --rosso-scuro:  #BF2E12;
  --blu:          #1F52C0;
  --verde:        #167A3D;

  --gr-s1: #1F52C0;
  --gr-s2: #D9391B;
  --gr-s3: #6B5FD6;
  --gr-s4: #8C6A00;

  --f-display: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --f-testo:   "Source Serif 4", Georgia, "Times New Roman", serif;
  --f-mono:    "IBM Plex Mono", "SF Mono", Menlo, Consolas, monospace;

  --colonna: 70ch;
  --shell: 1180px;
  --r-card: 10px;
  --ombra: 0 10px 30px rgba(20, 20, 20, 0.07);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  background: var(--carta);
  color: var(--inchiostro);
  font-family: var(--f-testo);
  font-size: 1.0625rem;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  display: flex; flex-direction: column; min-height: 100vh;
}
main { flex: 1; }

::selection { background: var(--rosso); color: #fff; }
:focus-visible { outline: 2px solid var(--rosso); outline-offset: 2px; }

a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 3px;
  transition: color 0.18s ease; }
a:hover { color: var(--rosso-scuro); }

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

.shell { max-width: var(--shell); margin: 0 auto; padding: 0 clamp(1rem, 4vw, 2.5rem); }

/* etichette in maiuscoletto mono — il filo conduttore tipografico */
.kicker {
  font-family: var(--f-mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--inchiostro-2);
}
.kicker .sep { color: var(--rosso); margin: 0 0.35em; }

/* ── Barra superiore ─────────────────────────────────────────────────── */
.barra-alta {
  border-bottom: 1px solid var(--linea);
  font-family: var(--f-mono);
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--inchiostro-2);
}
.barra-alta .shell {
  display: flex; justify-content: space-between; align-items: center;
  gap: 1rem; padding-top: 0.5rem; padding-bottom: 0.5rem;
}
.barra-alta a { text-decoration: none; }
.barra-alta a:hover { color: var(--rosso); }
.barra-alta .motto { color: var(--muto); text-align: center; }
@media (max-width: 640px) { .barra-alta .motto { display: none; } }

/* logotipo: Archivo espanso, nero, punto rosso */
.wordmark {
  font-family: var(--f-display);
  font-weight: 800;
  font-stretch: 122%;
  text-transform: uppercase;
  letter-spacing: -0.015em;
  line-height: 0.92;
}
.wordmark .punto, .punto { color: var(--rosso); }

/* ── Testata (home) ──────────────────────────────────────────────────── */
.testata { padding: clamp(1.6rem, 5vw, 3.6rem) 0 0; }
.testata h1 {
  font-family: var(--f-display);
  font-weight: 800;
  font-stretch: 122%;
  text-transform: uppercase;
  font-size: clamp(2.9rem, 11.4vw, 9.6rem);
  line-height: 0.92;
  letter-spacing: -0.015em;
}
.testata h1 .punto { color: var(--rosso); }
.testata .sotto-testata {
  margin-top: clamp(0.9rem, 2vw, 1.5rem);
  border-top: 2px solid var(--inchiostro);
  border-bottom: 1px solid var(--linea);
  padding: 0.55rem 0;
  display: flex; justify-content: space-between; align-items: center; gap: 1rem;
  font-family: var(--f-mono);
  font-size: 0.7rem; font-weight: 500;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--inchiostro-2);
}
.testata .sotto-testata a { text-decoration: none; }
.testata .sotto-testata a:hover { color: var(--rosso); }
@media (max-width: 640px) {
  .testata .sotto-testata { flex-direction: column; gap: 0.15rem; }
}

/* ── Navigazione pagine interne (sticky, vetro) ──────────────────────── */
.nav-interna {
  position: sticky; top: 0; z-index: 50;
  background: rgba(250, 250, 247, 0.86);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--linea);
}
.nav-interna .shell {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 0.8rem; padding-bottom: 0.8rem;
}
.nav-interna .logo {
  font-family: var(--f-display); font-weight: 800; font-stretch: 122%;
  text-transform: uppercase; letter-spacing: -0.01em;
  font-size: 1.25rem; text-decoration: none; line-height: 1;
}
.nav-menu { display: flex; gap: 1.5rem; }
.nav-menu a {
  font-family: var(--f-mono); font-size: 0.7rem; font-weight: 500;
  letter-spacing: 0.12em; text-transform: uppercase; text-decoration: none;
  color: var(--inchiostro-2);
}
.nav-menu a:hover, .nav-menu a[aria-current="page"] { color: var(--rosso); }
@media (max-width: 640px) { .nav-menu { gap: 1rem; } }

/* ── Eroe (ultimo numero) ────────────────────────────────────────────── */
.eroe { padding: clamp(2.2rem, 5vw, 4.2rem) 0 clamp(2rem, 5vw, 3.6rem); }
.eroe-griglia {
  display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
  gap: clamp(1.5rem, 4vw, 4.5rem); align-items: start;
}
@media (max-width: 860px) { .eroe-griglia { grid-template-columns: 1fr; } }

.eroe h2 {
  font-family: var(--f-display);
  font-weight: 700;
  font-stretch: 106%;
  font-size: clamp(2rem, 4.8vw, 3.8rem);
  line-height: 1.02;
  letter-spacing: -0.028em;
  margin: 0.9rem 0 1rem;
}
.eroe h2 a { text-decoration: none; }
.eroe h2 a:hover { color: var(--rosso-scuro); }
.eroe .sommario {
  font-size: 1.14rem; line-height: 1.62; color: var(--inchiostro-2);
  max-width: 58ch;
}
.eroe .meta { margin-top: 1.3rem; }
.leggi {
  display: inline-block; margin-top: 1.6rem;
  font-family: var(--f-mono); font-size: 0.74rem; font-weight: 500;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: #fff; background: var(--inchiostro);
  padding: 0.72rem 1.25rem; text-decoration: none;
  border-radius: 6px;
  transition: background 0.18s ease, transform 0.18s ease;
}
.leggi:hover { background: var(--rosso); color: #fff; transform: translateY(-1px); }

/* scheda del risultato in evidenza */
.risultato-box {
  background: var(--carta-chiara);
  border: 1px solid var(--linea);
  border-top: 3px solid var(--rosso);
  border-radius: var(--r-card);
  box-shadow: var(--ombra);
  padding: 1.4rem 1.5rem 1.5rem;
  position: relative;
}
.risultato-box .kicker { color: var(--muto); }
.risultato-box .numero {
  font-family: var(--f-display); font-weight: 780; font-stretch: 110%;
  font-size: clamp(2.6rem, 6vw, 4rem); line-height: 1.05;
  letter-spacing: -0.02em; color: var(--rosso);
  display: block; margin: 0.4rem 0 0.2rem;
}
.risultato-box .spiega { font-size: 0.95rem; color: var(--inchiostro-2); line-height: 1.5; }
.risultato-box .curva { position: absolute; right: 1rem; top: 1rem; width: 72px; }

/* ── Griglia dei casi ────────────────────────────────────────────────── */
.sezione-titolo {
  display: flex; align-items: baseline; justify-content: space-between;
  border-top: 2px solid var(--inchiostro);
  padding-top: 0.65rem; margin-bottom: 1.6rem;
}
.sezione-titolo h3 {
  font-family: var(--f-mono); font-size: 0.74rem; font-weight: 500;
  letter-spacing: 0.16em; text-transform: uppercase;
}
.sezione-titolo a { font-family: var(--f-mono); font-size: 0.7rem;
  letter-spacing: 0.1em; text-transform: uppercase; }

.casi-griglia {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 1.3rem; padding-bottom: clamp(2.5rem, 6vw, 4.5rem);
}
.caso-carta {
  background: var(--carta-chiara);
  border: 1px solid var(--linea);
  border-radius: var(--r-card);
  padding: 1.25rem 1.35rem 1.15rem;
  display: flex; flex-direction: column; gap: 0.7rem;
  text-decoration: none;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}
.caso-carta:hover {
  transform: translateY(-3px);
  box-shadow: var(--ombra);
  border-color: var(--linea-media);
  color: inherit;
}
.caso-carta .testa {
  display: flex; justify-content: space-between; align-items: baseline;
}
.caso-carta .n {
  font-family: var(--f-mono); font-weight: 500; font-size: 0.85rem;
  color: var(--rosso);
}
.caso-carta h4 {
  font-family: var(--f-display); font-weight: 680; font-stretch: 105%;
  font-size: 1.4rem; line-height: 1.1; letter-spacing: -0.02em;
}
.caso-carta .estratto {
  font-size: 0.94rem; line-height: 1.55; color: var(--inchiostro-2);
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical;
  overflow: hidden; flex-grow: 1;
}
.caso-carta .piede {
  border-top: 1px solid var(--linea);
  padding-top: 0.6rem;
  display: flex; justify-content: space-between; gap: 0.6rem;
  font-family: var(--f-mono); font-size: 0.66rem;
  letter-spacing: 0.06em; text-transform: uppercase; color: var(--muto);
}
.caso-carta .piede .esito { color: var(--verde); font-weight: 500; }

/* ── Striscia "il metodo" ────────────────────────────────────────────── */
.metodo { border-top: 1px solid var(--linea); background: var(--carta-scura);
  padding: clamp(2.2rem, 5vw, 3.4rem) 0; }
.metodo .kicker { margin-bottom: 1.8rem; display: block; }
.metodo-passi {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 1.4rem;
}
@media (max-width: 900px) { .metodo-passi { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .metodo-passi { grid-template-columns: 1fr; } }
.passo .n {
  font-family: var(--f-display); font-weight: 240; font-stretch: 105%;
  font-size: 2.7rem; line-height: 1; color: var(--rosso);
  display: block; margin-bottom: 0.45rem;
}
.passo h4 { font-family: var(--f-display); font-weight: 680; font-stretch: 105%;
  font-size: 1.02rem; letter-spacing: -0.01em; margin-bottom: 0.3rem; }
.passo p { font-size: 0.88rem; line-height: 1.5; color: var(--inchiostro-2); }

/* ── Pagina del caso ─────────────────────────────────────────────────── */
.caso-testa { padding: clamp(2.2rem, 6vw, 4.2rem) 0 0; position: relative; }
.caso-testa .filigrana {
  position: absolute; right: 0; top: 1rem;
  font-family: var(--f-display); font-weight: 850; font-stretch: 125%;
  font-size: clamp(5rem, 15vw, 12rem); line-height: 0.8;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--linea);
  pointer-events: none; user-select: none;
}
.caso-testa h1 {
  font-family: var(--f-display); font-weight: 740; font-stretch: 108%;
  font-size: clamp(2.2rem, 6vw, 4.3rem); line-height: 0.99;
  letter-spacing: -0.03em; max-width: 22ch;
  margin: 1rem 0 0.9rem;
  position: relative;
}
.caso-testa .sottotitolo {
  font-size: clamp(1.1rem, 2.3vw, 1.35rem); line-height: 1.5;
  color: var(--inchiostro-2); max-width: 52ch;
}
.caso-testa .meta {
  margin: 1.5rem 0 0; display: flex; flex-wrap: wrap; gap: 0.4rem 1.6rem;
}

/* scheda tecnica */
.scheda {
  margin: 2rem 0 0;
  background: var(--carta-chiara);
  border: 1px solid var(--linea);
  border-radius: var(--r-card);
  box-shadow: var(--ombra);
  display: grid; grid-template-columns: repeat(4, 1fr);
  overflow: hidden;
}
@media (max-width: 820px) { .scheda { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 460px) { .scheda { grid-template-columns: 1fr; } }
.scheda > div { padding: 1rem 1.2rem; border-left: 1px solid var(--linea); }
.scheda > div:first-child { border-left: none; }
@media (max-width: 820px) {
  .scheda > div { border-top: 1px solid var(--linea); }
  .scheda > div:nth-child(-n+2) { border-top: none; }
  .scheda > div:nth-child(odd) { border-left: none; }
}
@media (max-width: 460px) {
  .scheda > div { border-left: none; }
  .scheda > div:nth-child(2) { border-top: 1px solid var(--linea); }
}
.scheda dt {
  font-family: var(--f-mono); font-size: 0.62rem; font-weight: 500;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--muto);
  margin-bottom: 0.3rem;
}
.scheda dd { font-size: 0.92rem; line-height: 1.45; }
.scheda dd.forte { color: var(--rosso-scuro); font-weight: 600; }
.scheda a { text-decoration-color: var(--linea-media); }

/* corpo dell'articolo */
.corpo {
  max-width: var(--colonna); margin: 0 auto;
  padding: clamp(2.2rem, 5vw, 3.5rem) 0 3rem;
}
.corpo p { margin: 0 0 1.25rem; }
.corpo h2 {
  font-family: var(--f-display); font-weight: 700; font-stretch: 106%;
  font-size: 1.62rem; line-height: 1.12; letter-spacing: -0.025em;
  margin: 2.8rem 0 1.1rem;
  padding-top: 1.1rem; border-top: 1px solid var(--inchiostro);
}
.corpo .h2-num {
  font-family: var(--f-mono); font-weight: 500; font-size: 0.76rem;
  letter-spacing: 0.12em; color: var(--rosso);
  display: block; margin-bottom: 0.4rem;
}
.corpo h3 {
  font-family: var(--f-display); font-weight: 680; font-stretch: 105%;
  font-size: 1.22rem; letter-spacing: -0.015em; margin: 2rem 0 0.8rem;
}
.corpo ul, .corpo ol { margin: 0 0 1.25rem; padding-left: 1.4rem; }
.corpo li { margin-bottom: 0.4rem; }
.corpo li::marker { color: var(--rosso); }
.corpo strong { font-weight: 650; }
.corpo hr {
  border: none; height: auto; margin: 2.4rem 0;
  text-align: center; overflow: visible;
}
.corpo hr::after {
  content: "· · ·"; font-family: var(--f-mono); color: var(--muto);
  letter-spacing: 0.6em; font-size: 0.9rem;
}
.corpo blockquote {
  border-left: 3px solid var(--rosso);
  padding: 0.2rem 0 0.2rem 1.5rem; margin: 1.9rem 0;
  font-size: 1.24rem; line-height: 1.5; font-weight: 480;
  letter-spacing: -0.005em;
}
.corpo blockquote p { margin: 0; }
.corpo blockquote p + p { margin-top: 0.7rem; }
.corpo sup a { text-decoration: none; color: var(--rosso); font-weight: 600; }
.corpo .footnote { border-top: 1px solid var(--linea); margin-top: 3rem;
  font-size: 0.85rem; color: var(--inchiostro-2); }
.corpo .footnote hr { display: none; }
.corpo table { width: 100%; border-collapse: collapse;
  margin: 1.6rem 0; font-size: 0.92rem; }
.corpo table th, .corpo table td {
  text-align: left; padding: 0.5rem 0.7rem;
  border-bottom: 1px solid var(--linea);
}
.corpo table thead th {
  font-family: var(--f-mono); font-size: 0.66rem; font-weight: 500;
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--inchiostro-2);
  border-bottom: 1px solid var(--inchiostro);
}

/* formule */
.corpo .formula, .corpo pre.formula {
  font-family: var(--f-mono); font-size: 0.9rem; line-height: 1.9;
  background: var(--carta-chiara);
  border: 1px solid var(--linea); border-left: 3px solid var(--blu);
  border-radius: 8px;
  padding: 1rem 1.3rem; margin: 1.6rem 0; overflow-x: auto;
}

/* codice */
.corpo code {
  font-family: var(--f-mono); font-size: 0.86em;
  background: var(--carta-scura); border-radius: 4px; padding: 0.1em 0.35em;
}
.corpo .codice { margin: 1.6rem 0; }
.corpo .codice pre, .corpo pre {
  background: var(--carta-chiara);
  border: 1px solid var(--linea);
  border-radius: var(--r-card);
  padding: 1.15rem 1.35rem;
  overflow-x: auto;
  font-family: var(--f-mono); font-size: 0.82rem; line-height: 1.65;
}
.corpo .codice pre code, .corpo pre code { background: none; padding: 0; font-size: 1em; }

/* pygments — tema sobrio su bianco */
.codice .k, .codice .kn, .codice .kd, .codice .ow { color: var(--blu); font-weight: 500; }
.codice .s, .codice .s1, .codice .s2, .codice .sd { color: var(--verde); }
.codice .c, .codice .c1, .codice .cm { color: var(--muto); font-style: italic; }
.codice .mi, .codice .mf, .codice .m { color: var(--rosso-scuro); }
.codice .nf, .codice .nc { color: var(--inchiostro); font-weight: 500; }
.codice .o { color: var(--inchiostro-2); }

/* ── Grafici ─────────────────────────────────────────────────────────── */
.grafico {
  margin: 2.2rem 0;
  border-top: 2px solid var(--inchiostro);
  padding-top: 0.9rem;
}
/* grafici e KPI più larghi della colonna di testo (respiro editoriale) */
@media (min-width: 900px) {
  .corpo .grafico, .corpo .kpi-riga {
    width: 820px;
    margin-left: calc(50% - 410px);
  }
}
.grafico-titolo {
  font-family: var(--f-display); font-weight: 680; font-stretch: 105%;
  font-size: 1.05rem; line-height: 1.3; letter-spacing: -0.01em;
  margin-bottom: 0.15rem !important;
}
.grafico-sotto { font-size: 0.9rem; color: var(--inchiostro-2);
  margin-bottom: 0.4rem !important; }
.grafico .gr { width: 100%; height: auto; display: block; overflow: visible;
  margin: 0.7rem 0 0.3rem; min-width: 560px; }
.grafico-scorri { overflow-x: auto; }
@media (min-width: 700px) { .grafico .gr { min-width: 0; } }
.grafico-fonte, .grafico-nota {
  font-family: var(--f-mono); font-size: 0.68rem; letter-spacing: 0.04em;
  color: var(--muto); margin: 0.35rem 0 0 !important;
}
.grafico-nota { color: var(--inchiostro-2); }
.grafico-errore {
  border: 1px dashed var(--rosso); border-radius: 8px; color: var(--rosso-scuro);
  font-family: var(--f-mono); font-size: 0.8rem;
  padding: 0.8rem 1rem; margin: 1.6rem 0;
}

.legenda { display: flex; flex-wrap: wrap; gap: 0.4rem 1.3rem; margin: 0.5rem 0 0.2rem; }
.legenda-voce {
  font-family: var(--f-mono); font-size: 0.72rem; letter-spacing: 0.04em;
  color: var(--inchiostro-2); display: inline-flex; align-items: center; gap: 0.45em;
}
.legenda-tacca { width: 12px; height: 12px; display: inline-block;
  border-radius: 3px; }

/* testo dentro gli SVG */
.gr text { font-family: var(--f-mono); }
.gr-tick { fill: var(--muto); font-size: 11px; }
.gr-cat { fill: var(--inchiostro-2); font-size: 11.5px; }
.gr-valore { fill: var(--inchiostro); font-size: 11.5px; font-weight: 500; }
.gr-griglia { stroke: var(--linea); stroke-width: 1; }
.gr-base { stroke: var(--linea-media); stroke-width: 1; }
.gr-linea { fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.gr-punto { stroke: var(--carta); stroke-width: 2; }
.gr-connettore { stroke: var(--linea-media); stroke-width: 2; }

/* tabella dati (accessibilità) */
.grafico-dati { margin-top: 0.5rem; }
.grafico-dati summary {
  font-family: var(--f-mono); font-size: 0.68rem; letter-spacing: 0.06em;
  text-transform: uppercase; color: var(--inchiostro-2); cursor: pointer;
}
.grafico-dati summary:hover { color: var(--rosso); }
.grafico-dati table { border-collapse: collapse; margin: 0.7rem 0 0.3rem;
  font-size: 0.85rem; min-width: 50%; }
.grafico-dati th, .grafico-dati td {
  text-align: right; padding: 0.3rem 0.9rem 0.3rem 0;
  border-bottom: 1px solid var(--linea);
  font-variant-numeric: tabular-nums;
}
.grafico-dati th[scope="row"], .grafico-dati thead th:first-child { text-align: left; }
.grafico-dati thead th { font-family: var(--f-mono); font-size: 0.66rem;
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--muto); }

/* KPI */
.kpi-riga {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0; margin: 2.2rem 0;
  background: var(--carta-chiara);
  border: 1px solid var(--linea);
  border-radius: var(--r-card);
  box-shadow: var(--ombra);
  overflow: hidden;
}
.kpi { padding: 1.05rem 1.25rem 1.15rem; border-left: 1px solid var(--linea); }
.kpi:first-child { border-left: none; }
@media (max-width: 640px) {
  .kpi { border-left: none; border-top: 1px solid var(--linea); }
  .kpi:first-child { border-top: none; }
}
.kpi-etichetta {
  display: block; font-family: var(--f-mono); font-size: 0.62rem;
  font-weight: 500; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--muto); margin-bottom: 0.35rem;
}
.kpi-valore {
  display: block; font-family: var(--f-display); font-weight: 740;
  font-stretch: 108%;
  font-size: 2rem; line-height: 1.1; letter-spacing: -0.02em;
}
.kpi-buono   { color: var(--verde); }
.kpi-cattivo { color: var(--rosso-scuro); }
.kpi-nota { display: block; font-size: 0.8rem; color: var(--inchiostro-2);
  margin-top: 0.2rem; }

/* navigazione tra casi */
.caso-vicini {
  max-width: var(--colonna); margin: 0 auto 3.5rem;
  display: grid; grid-template-columns: 1fr 1fr; gap: 1rem;
}
@media (max-width: 560px) { .caso-vicini { grid-template-columns: 1fr; } }
.caso-vicini a {
  background: var(--carta-chiara);
  border: 1px solid var(--linea);
  border-radius: var(--r-card);
  padding: 0.95rem 1.15rem; text-decoration: none;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}
.caso-vicini a:hover { transform: translateY(-2px); box-shadow: var(--ombra);
  border-color: var(--linea-media); }
.caso-vicini .dir { font-family: var(--f-mono); font-size: 0.62rem;
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--muto);
  display: block; margin-bottom: 0.3rem; }
.caso-vicini .tit { font-family: var(--f-display); font-weight: 660;
  font-stretch: 105%; font-size: 1rem; line-height: 1.25;
  letter-spacing: -0.01em; }
.caso-vicini .succ { text-align: right; }

/* ── Archivio ────────────────────────────────────────────────────────── */
.archivio-testa { padding: clamp(2rem, 5vw, 3.5rem) 0 1.5rem; }
.archivio-testa h1 {
  font-family: var(--f-display); font-weight: 780; font-stretch: 115%;
  text-transform: uppercase;
  font-size: clamp(2.4rem, 7vw, 4.6rem); letter-spacing: -0.02em;
  line-height: 1;
}
.filtri { display: flex; flex-wrap: wrap; gap: 0.5rem; margin: 1.5rem 0 0; }
.filtri a {
  font-family: var(--f-mono); font-size: 0.68rem; font-weight: 500;
  letter-spacing: 0.08em; text-transform: uppercase; text-decoration: none;
  border: 1px solid var(--linea-media); border-radius: 999px;
  padding: 0.38rem 0.95rem;
  background: var(--carta-chiara);
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}
.filtri a:hover { border-color: var(--inchiostro); color: inherit; }
.filtri a.attivo { background: var(--inchiostro); border-color: var(--inchiostro);
  color: #fff; }

.indice { width: 100%; border-collapse: collapse; margin: 1.5rem 0 4rem; }
.indice th {
  font-family: var(--f-mono); font-size: 0.64rem; font-weight: 500;
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--inchiostro-2);
  text-align: left; padding: 0.5rem 0.8rem 0.5rem 0;
  border-bottom: 1px solid var(--inchiostro);
}
.indice td { padding: 0.9rem 0.8rem 0.9rem 0;
  border-bottom: 1px solid var(--linea); vertical-align: baseline; }
.indice tbody tr { transition: background 0.15s ease; }
.indice tbody tr:hover { background: var(--carta-chiara); }
.indice .n { font-family: var(--f-mono); color: var(--rosso); font-size: 0.85rem;
  white-space: nowrap; }
.indice .titolo a {
  font-family: var(--f-display); font-weight: 680; font-stretch: 105%;
  font-size: 1.12rem; letter-spacing: -0.015em; text-decoration: none;
}
.indice .titolo a:hover { color: var(--rosso-scuro); }
.indice .cat, .indice .data { font-family: var(--f-mono); font-size: 0.7rem;
  text-transform: uppercase; letter-spacing: 0.05em; color: var(--inchiostro-2);
  white-space: nowrap; }
.indice .esito { font-family: var(--f-mono); font-size: 0.75rem;
  color: var(--verde); font-weight: 500; white-space: nowrap; }
@media (max-width: 760px) {
  .indice .cat, .indice th.cat-h { display: none; }
}
@media (max-width: 560px) {
  .indice .esito, .indice th.esito-h { display: none; }
}
.vuoto { font-family: var(--f-mono); font-size: 0.85rem; color: var(--muto);
  padding: 2rem 0 4rem; }

/* ── Pagina info ─────────────────────────────────────────────────────── */
.info-corpo { max-width: var(--colonna); margin: 0 auto;
  padding: clamp(2rem, 5vw, 3.5rem) 0 4rem; }
.info-corpo h1 {
  font-family: var(--f-display); font-weight: 740; font-stretch: 108%;
  font-size: clamp(2rem, 5.4vw, 3.6rem); letter-spacing: -0.03em; line-height: 1.02;
  margin-bottom: 1.6rem;
}
.info-corpo h2 {
  font-family: var(--f-display); font-weight: 700; font-stretch: 106%;
  font-size: 1.45rem; letter-spacing: -0.02em;
  margin: 2.6rem 0 0.9rem; padding-top: 1rem;
  border-top: 1px solid var(--inchiostro);
}
.info-corpo p { margin-bottom: 1.2rem; }
.redazione { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem;
  margin: 1.5rem 0; }
@media (max-width: 560px) { .redazione { grid-template-columns: 1fr; } }
.persona { background: var(--carta-chiara); border: 1px solid var(--linea);
  border-radius: var(--r-card); padding: 1.15rem 1.25rem; }
.persona .nome { font-family: var(--f-display); font-weight: 700;
  font-stretch: 105%; font-size: 1.12rem; letter-spacing: -0.01em;
  margin-bottom: 0.2rem; }
.persona .ruolo { font-family: var(--f-mono); font-size: 0.66rem;
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--rosso);
  margin-bottom: 0.5rem; }
.persona p { font-size: 0.9rem; line-height: 1.55; color: var(--inchiostro-2);
  margin: 0; }

/* ── 404 ─────────────────────────────────────────────────────────────── */
.p404 { text-align: center; padding: clamp(4rem, 12vw, 8rem) 0; }
.p404 .codice-errore {
  font-family: var(--f-display); font-weight: 850; font-stretch: 125%;
  font-size: clamp(5rem, 18vw, 12rem); line-height: 0.9; color: var(--rosso);
}
.p404 h1 { font-family: var(--f-display); font-weight: 700; font-stretch: 106%;
  font-size: clamp(1.3rem, 3vw, 2rem); letter-spacing: -0.02em;
  margin: 1rem 0 0.5rem; }
.p404 p { color: var(--inchiostro-2); }
.p404 .leggi { margin-top: 2rem; }

/* ── Piè di pagina ───────────────────────────────────────────────────── */
.piede-sito {
  background: var(--inchiostro); color: var(--carta);
  margin-top: auto;
}
.piede-sito .shell { padding-top: clamp(2rem, 5vw, 3.5rem);
  padding-bottom: 2rem; }
.piede-logo {
  font-family: var(--f-display); font-weight: 800; font-stretch: 122%;
  text-transform: uppercase;
  font-size: clamp(2.4rem, 8.6vw, 6.2rem); line-height: 0.95;
  letter-spacing: -0.015em;
}
.piede-logo .punto { color: var(--rosso); }
.piede-griglia {
  display: flex; flex-wrap: wrap; justify-content: space-between;
  gap: 1.5rem; align-items: flex-end;
  border-top: 1px solid rgba(250, 250, 247, 0.22);
  margin-top: 1.5rem; padding-top: 1.3rem;
}
.piede-griglia nav { display: flex; flex-wrap: wrap; gap: 1.4rem; }
.piede-griglia a {
  font-family: var(--f-mono); font-size: 0.68rem; font-weight: 500;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--carta); text-decoration: none;
}
.piede-griglia a:hover { color: var(--rosso); }
.colophon { font-family: var(--f-mono); font-size: 0.64rem;
  letter-spacing: 0.05em; color: rgba(250, 250, 247, 0.55); line-height: 1.7; }

/* ── Movimento ridotto e stampa ──────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; }
}
@media print {
  .barra-alta, .nav-interna, .piede-sito, .caso-vicini, .leggi { display: none; }
  body { background: white; }
  .grafico .gr { min-width: 0; }
}