/* ============================================================
   Elettronica di Liguria — sistema « el- »
   Tema: banco di prova / circuito. Inchiostro scuro, rame di
   circuito, verde fosforo discreto, carta calda.
   Serif Iowan/Palatino per la voce, sans di sistema per le
   misure. Nessuna risorsa esterna, nessuna animazione gratuita.
   ============================================================ */

:root {
  --el-carta: #f5f0e5;
  --el-carta-profonda: #ece4d1;
  --el-superficie: #fbf8f0;
  --el-inchiostro: #21252b;
  --el-inchiostro-morbido: #555c66;
  --el-rame: #96562a;
  --el-rame-vivo: #b46a34;
  --el-fosforo: #2c6e4c;
  --el-linea: rgba(33, 37, 43, 0.16);
  --el-linea-debole: rgba(33, 37, 43, 0.08);
  --el-serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
  --el-sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --el-ritmo: 150ms ease;
  --el-larghezza: 76rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --el-carta: #14171b;
    --el-carta-profonda: #101317;
    --el-superficie: #1c2127;
    --el-inchiostro: #e8e2d3;
    --el-inchiostro-morbido: #a9a294;
    --el-rame: #c9884f;
    --el-rame-vivo: #dda06a;
    --el-fosforo: #5aa87f;
    --el-linea: rgba(232, 226, 211, 0.16);
    --el-linea-debole: rgba(232, 226, 211, 0.07);
  }
}

/* ---------- base ---------- */

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--el-carta);
  color: var(--el-inchiostro);
  font-family: var(--el-serif);
  font-size: clamp(1.02rem, 0.95rem + 0.35vw, 1.17rem);
  line-height: 1.66;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; height: auto; display: block; }

a {
  color: var(--el-rame);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color var(--el-ritmo), background-color var(--el-ritmo), border-color var(--el-ritmo);
}
a:hover { color: var(--el-rame-vivo); }

:focus-visible {
  outline: 2px solid var(--el-rame);
  outline-offset: 2px;
  border-radius: 2px;
}

::selection { background: var(--el-rame); color: var(--el-carta); }

.el-salto {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--el-inchiostro);
  color: var(--el-carta);
  padding: 0.6rem 1rem;
  font-family: var(--el-sans);
  font-size: 0.85rem;
  z-index: 50;
}
.el-salto:focus { left: 0.5rem; top: 0.5rem; }

/* ---------- utilità di voce ---------- */

.el-targa {
  font-family: var(--el-sans);
  font-variant-caps: all-small-caps;
  letter-spacing: 0.12em;
  font-size: 0.86rem;
  color: var(--el-rame);
  margin: 0;
}

.el-misura {
  font-family: var(--el-sans);
  font-variant-numeric: tabular-nums;
  font-size: 0.86rem;
  color: var(--el-inchiostro-morbido);
}

.el-titolo-sezione {
  font-family: var(--el-serif);
  font-size: clamp(1.4rem, 1.1rem + 1.2vw, 1.9rem);
  line-height: 1.2;
  margin: 0 0 0.4rem;
  padding-bottom: 0.55rem;
  border-bottom: 1px solid var(--el-linea);
}

/* ---------- struttura ---------- */

.el-banco {
  max-width: var(--el-larghezza);
  margin: 0 auto;
  padding-inline: clamp(1.1rem, 3vw, 2.2rem);
}

/* ---------- quadro (header) ---------- */

.el-quadro {
  border-bottom: 1px solid var(--el-linea);
  background: var(--el-carta-profonda);
}

.el-quadro__rang {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.4rem 1.6rem;
  padding-block: 0.9rem;
}

.el-marchio {
  font-family: var(--el-serif);
  font-weight: 700;
  font-size: clamp(1.15rem, 1rem + 0.7vw, 1.45rem);
  letter-spacing: 0.01em;
  color: var(--el-inchiostro);
  text-decoration: none;
  display: inline-flex;
  flex-direction: column;
  gap: 0.05rem;
}
.el-marchio span {
  font-family: var(--el-sans);
  font-variant-caps: all-small-caps;
  letter-spacing: 0.14em;
  font-weight: 400;
  font-size: 0.74rem;
  color: var(--el-inchiostro-morbido);
}
.el-marchio:hover { color: var(--el-rame); }

.el-via ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.1rem 1.25rem;
  margin: 0;
  padding: 0;
}
.el-via a {
  font-family: var(--el-sans);
  font-variant-caps: all-small-caps;
  letter-spacing: 0.1em;
  font-size: 0.92rem;
  color: var(--el-inchiostro-morbido);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
}
.el-via a:hover { color: var(--el-rame); border-bottom-color: var(--el-rame); }

/* ---------- hero: scheda tecnica ---------- */

.el-scheda-tecnica {
  padding-block: clamp(2rem, 4vw, 3.6rem) clamp(1.6rem, 3vw, 2.6rem);
  border-bottom: 1px solid var(--el-linea);
  background:
    repeating-linear-gradient(90deg, var(--el-linea-debole) 0 1px, transparent 1px 56px),
    var(--el-carta);
}

.el-scheda-tecnica__titolo {
  font-family: var(--el-serif);
  font-weight: 700;
  font-size: clamp(2.1rem, 1.4rem + 3.4vw, 3.7rem);
  line-height: 1.06;
  letter-spacing: -0.015em;
  margin: 0.55rem 0 0.9rem;
  max-width: 21ch;
}

.el-scheda-tecnica__capo {
  font-size: clamp(1.05rem, 0.98rem + 0.5vw, 1.25rem);
  line-height: 1.55;
  color: var(--el-inchiostro-morbido);
  max-width: 58ch;
  margin: 0 0 1.5rem;
}

.el-scheda-tecnica__cifre {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  border-top: 1px solid var(--el-linea);
  border-bottom: 1px solid var(--el-linea);
}

.el-cifra {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  padding: 0.8rem 2.2rem 0.8rem 0;
  margin-right: 2.2rem;
  border-right: 1px solid var(--el-linea);
}
.el-cifra:last-child { border-right: 0; margin-right: 0; }

.el-cifra__valore {
  font-family: var(--el-sans);
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  font-size: clamp(1.5rem, 1.2rem + 1.6vw, 2.3rem);
  line-height: 1;
  color: var(--el-rame);
}

.el-cifra__etichetta {
  font-family: var(--el-sans);
  font-variant-caps: all-small-caps;
  letter-spacing: 0.12em;
  font-size: 0.8rem;
  color: var(--el-inchiostro-morbido);
}

.el-ornamento {
  margin-top: 1.4rem;
  color: var(--el-fosforo);
  opacity: 0.75;
}
.el-ornamento svg { display: block; width: min(100%, 34rem); height: auto; }

/* ---------- settori (rubriche numerate) ---------- */

.el-settori { padding-block: clamp(2rem, 4vw, 3.2rem) 0.6rem; }

.el-settori__griglia {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 1.2rem;
  margin-top: 1.1rem;
}

.el-settore {
  grid-column: span 4;
  background: var(--el-superficie);
  border: 1px solid var(--el-linea);
  border-top: 3px solid var(--el-rame);
  padding: 1rem 1.1rem 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  transition: border-color var(--el-ritmo), transform var(--el-ritmo), box-shadow var(--el-ritmo);
}
.el-settore:hover {
  border-top-color: var(--el-rame-vivo);
  box-shadow: 0 10px 24px -18px rgba(0, 0, 0, 0.45);
  transform: translateY(-2px);
}
.el-largo { grid-column: span 7; }
.el-stretto { grid-column: span 5; }

.el-numero {
  font-family: var(--el-sans);
  font-variant-numeric: tabular-nums;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  color: var(--el-fosforo);
}

.el-settore__vista { border: 1px solid var(--el-linea-debole); }

.el-settore__testo h3 {
  font-family: var(--el-serif);
  font-size: 1.18rem;
  line-height: 1.25;
  margin: 0 0 0.3rem;
}
.el-settore__testo h3 a { color: var(--el-inchiostro); text-decoration: none; }
.el-settore__testo h3 a:hover { color: var(--el-rame); }

.el-settore__testo p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.55;
  color: var(--el-inchiostro-morbido);
}

/* ---------- registro (flusso datato) e catalogo ---------- */

.el-flusso { padding-block: clamp(1.8rem, 3.5vw, 2.8rem); }

.el-registro, .el-catalogo {
  list-style: none;
  margin: 1.1rem 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 1.15rem;
}

.el-scheda {
  grid-column: span 4;
  margin: 0;
  background: var(--el-superficie);
  border: 1px solid var(--el-linea);
  padding: 0.9rem 1rem 1.1rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  transition: border-color var(--el-ritmo), box-shadow var(--el-ritmo);
}
.el-scheda:hover { border-color: var(--el-rame); box-shadow: 0 10px 24px -20px rgba(0, 0, 0, 0.4); }
.el-scheda--registro:nth-child(12n + 1), .el-scheda--registro:nth-child(12n + 2) { grid-column: span 6; }

.el-scheda__vista { border: 1px solid var(--el-linea-debole); background: var(--el-carta-profonda); }

.el-scheda__testo { display: flex; flex-direction: column; gap: 0.35rem; }

.el-data {
  font-family: var(--el-sans);
  font-variant-numeric: tabular-nums;
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  color: var(--el-inchiostro-morbido);
  margin: 0;
}

.el-scheda__titolo {
  font-family: var(--el-serif);
  font-size: 1.12rem;
  line-height: 1.3;
  margin: 0;
}
.el-scheda__titolo a { color: var(--el-inchiostro); text-decoration: none; }
.el-scheda__titolo a:hover { color: var(--el-rame); text-decoration: underline; }

.el-scheda__ampo {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.5;
  color: var(--el-inchiostro-morbido);
}

/* ---------- filo (breadcrumb) ---------- */

.el-filo {
  padding-block: 0.9rem 0.2rem;
  font-family: var(--el-sans);
  font-size: 0.82rem;
}
.el-filo ol { list-style: none; display: flex; flex-wrap: wrap; gap: 0.35rem; margin: 0; padding: 0; }
.el-filo li { display: flex; gap: 0.35rem; align-items: baseline; }
.el-filo li + li::before { content: "·"; color: var(--el-rame); }
.el-filo a { color: var(--el-inchiostro-morbido); text-decoration: none; }
.el-filo a:hover { color: var(--el-rame); }
.el-filo [aria-current="page"] { color: var(--el-inchiostro); font-variant-caps: all-small-caps; letter-spacing: 0.06em; }

/* ---------- rubrica ---------- */

.el-rubrica__testata {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: 1.4rem;
  align-items: end;
  padding-block: 1rem 1.6rem;
  border-bottom: 1px solid var(--el-linea);
}
.el-rubrica__testata h1 {
  font-family: var(--el-serif);
  font-size: clamp(1.8rem, 1.3rem + 2.4vw, 2.9rem);
  line-height: 1.12;
  margin: 0.4rem 0 0.7rem;
}
.el-rubrica__capo { color: var(--el-inchiostro-morbido); margin: 0 0 0.9rem; max-width: 52ch; }
.el-rubrica__vista { border: 1px solid var(--el-linea); }
.el-rubrica__testo { max-width: 74ch; padding-block: 1.2rem 0.4rem; }

.el-rimandi {
  margin-top: 2rem;
  border-top: 1px solid var(--el-linea);
  padding-top: 1rem;
  color: var(--el-inchiostro-morbido);
}

/* ---------- saggio (articolo) ---------- */

.el-saggio { padding-block: 0.6rem 2rem; }

.el-saggio__testata {
  border-bottom: 1px solid var(--el-linea);
  padding-block: 0.8rem 1.4rem;
  margin-bottom: 1.3rem;
}
.el-saggio__testata h1 {
  font-family: var(--el-serif);
  font-size: clamp(1.9rem, 1.4rem + 2.6vw, 3rem);
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin: 0.5rem 0 0.7rem;
  max-width: 26ch;
}
.el-saggio__capo {
  font-size: clamp(1.02rem, 0.96rem + 0.4vw, 1.2rem);
  line-height: 1.55;
  color: var(--el-inchiostro-morbido);
  margin: 0 0 0.9rem;
  max-width: 58ch;
}
.el-saggio__firme { margin: 0; }
.el-saggio__firme a { color: var(--el-inchiostro-morbido); }

.el-saggio__figura { margin: 0 0 1.4rem; }
.el-saggio__figura img { border: 1px solid var(--el-linea); width: 100%; }

.el-saggio__corpo, .el-pagina__corpo { max-width: 72ch; }

.el-saggio__corpo h2, .el-pagina__corpo h2 {
  font-family: var(--el-serif);
  font-size: clamp(1.35rem, 1.15rem + 1vw, 1.75rem);
  line-height: 1.22;
  margin: 1.9rem 0 0.6rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--el-linea-debole);
}
.el-saggio__corpo h2::before, .el-pagina__corpo h2::before {
  content: "";
  display: inline-block;
  width: 0.62em;
  height: 0.62em;
  margin-right: 0.5rem;
  border-radius: 50%;
  border: 2px solid var(--el-rame);
  vertical-align: baseline;
}
.el-saggio__corpo h3, .el-pagina__corpo h3 {
  font-family: var(--el-sans);
  font-variant-caps: all-small-caps;
  letter-spacing: 0.08em;
  font-size: 1.05rem;
  margin: 1.4rem 0 0.4rem;
}
.el-saggio__corpo p, .el-pagina__corpo p { margin: 0 0 0.95rem; }

.el-saggio__nota {
  margin-top: 1.6rem;
  padding-top: 0.7rem;
  border-top: 1px solid var(--el-linea);
  font-family: var(--el-sans);
  font-size: 0.85rem;
  color: var(--el-inchiostro-morbido);
}

/* ---------- tabella ---------- */

.el-tabella {
  margin: 1.3rem 0 1.5rem;
  overflow-x: auto;
  border: 1px solid var(--el-linea);
  background: var(--el-superficie);
}
.el-tabella table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--el-sans);
  font-size: 0.92rem;
  line-height: 1.45;
}
.el-tabella caption {
  text-align: left;
  font-family: var(--el-serif);
  font-style: italic;
  font-size: 0.95rem;
  color: var(--el-inchiostro-morbido);
  padding: 0.7rem 0.9rem 0.4rem;
}
.el-tabella th, .el-tabella td {
  text-align: left;
  padding: 0.55rem 0.9rem;
  border-top: 1px solid var(--el-linea-debole);
  vertical-align: top;
}
.el-tabella thead th {
  font-variant-caps: all-small-caps;
  letter-spacing: 0.08em;
  font-weight: 600;
  border-top: 0;
  border-bottom: 1px solid var(--el-linea);
  background: var(--el-carta-profonda);
  white-space: nowrap;
}
.el-tabella tbody tr:nth-child(even) { background: var(--el-carta); }
.el-tabella td:first-child { font-weight: 600; }
.el-tabella tbody tr { transition: background-color var(--el-ritmo); }
.el-tabella tbody tr:hover { background: var(--el-carta-profonda); }

/* ---------- check-list ---------- */

.el-checklist {
  list-style: none;
  margin: 0.9rem 0 1.4rem;
  padding: 0.9rem 1rem 0.9rem 2.6rem;
  border: 1px solid var(--el-linea);
  border-left: 3px solid var(--el-fosforo);
  background: var(--el-superficie);
}
.el-checklist li {
  position: relative;
  padding-left: 1.35rem;
  margin: 0 0 0.45rem;
}
.el-checklist li:last-child { margin-bottom: 0; }
.el-checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.42em;
  width: 0.62em;
  height: 0.34em;
  border-left: 2px solid var(--el-fosforo);
  border-bottom: 2px solid var(--el-fosforo);
  transform: rotate(-45deg);
}

/* ---------- errori comuni ---------- */

.el-errori {
  margin: 1rem 0 1.4rem;
  padding: 0.9rem 1rem;
  border: 1px solid var(--el-linea);
  border-left: 3px solid var(--el-rame);
  background: var(--el-carta-profonda);
}
.el-errori ul { margin: 0; padding-left: 1.2rem; }
.el-errori li { margin: 0 0 0.45rem; }
.el-errori li:last-child { margin-bottom: 0; }
.el-errori li::marker { color: var(--el-rame); content: "✕  "; }

/* ---------- verdetto ---------- */

.el-verdetto {
  margin: 1.5rem 0 0.5rem;
  padding: 1.1rem 1.2rem 1rem;
  border: 1px solid var(--el-rame);
  outline: 1px solid var(--el-linea);
  outline-offset: 3px;
  background: var(--el-superficie);
}
.el-verdetto p:first-child {
  font-family: var(--el-sans);
  font-variant-caps: all-small-caps;
  letter-spacing: 0.14em;
  font-size: 0.86rem;
  color: var(--el-rame);
  margin: 0 0 0.5rem;
}
.el-verdetto p { margin: 0 0 0.6rem; }
.el-verdetto p:last-child { margin-bottom: 0; }

/* ---------- pagina di servizio ---------- */

.el-pagina { padding-block: 0.6rem 2rem; }
.el-pagina__testata h1 {
  font-family: var(--el-serif);
  font-size: clamp(1.8rem, 1.3rem + 2.4vw, 2.8rem);
  line-height: 1.12;
  margin: 0.5rem 0 1rem;
  padding-bottom: 0.9rem;
  border-bottom: 1px solid var(--el-linea);
}

/* ---------- zoccolo (footer) ---------- */

.el-zoccolo {
  border-top: 1px solid var(--el-linea);
  background: var(--el-carta-profonda);
  margin-top: 1rem;
}
.el-zoccolo__rang {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
  padding-block: 1.8rem 1rem;
}
.el-zoccolo__titolo {
  font-family: var(--el-sans);
  font-variant-caps: all-small-caps;
  letter-spacing: 0.12em;
  font-size: 0.85rem;
  color: var(--el-rame);
  margin: 0 0 0.5rem;
}
.el-zoccolo ul { list-style: none; margin: 0; padding: 0; }
.el-zoccolo li { margin: 0 0 0.3rem; }
.el-zoccolo a {
  color: var(--el-inchiostro-morbido);
  text-decoration: none;
  font-size: 0.93rem;
}
.el-zoccolo a:hover { color: var(--el-rame); text-decoration: underline; }
.el-zoccolo__fondo {
  grid-column: 1 / -1;
  border-top: 1px solid var(--el-linea-debole);
  padding-top: 0.9rem;
  margin: 0;
  font-family: var(--el-sans);
  font-size: 0.82rem;
  color: var(--el-inchiostro-morbido);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}

/* ---------- 404 ---------- */

.el-vanico {
  padding-block: 3rem;
  text-align: left;
}
.el-vanico h1 {
  font-family: var(--el-serif);
  font-size: clamp(2.2rem, 1.6rem + 3vw, 3.4rem);
  margin: 0.4rem 0 0.8rem;
}

/* ---------- responsive ---------- */

@media (max-width: 60rem) {
  .el-settore, .el-largo, .el-stretto { grid-column: span 6; }
  .el-scheda, .el-scheda--registro:nth-child(12n + 1), .el-scheda--registro:nth-child(12n + 2) { grid-column: span 6; }
  .el-rubrica__testata { grid-template-columns: 1fr; align-items: start; }
  .el-zoccolo__rang { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 40rem) {
  .el-settore, .el-largo, .el-stretto { grid-column: 1 / -1; }
  .el-scheda, .el-scheda--registro:nth-child(12n + 1), .el-scheda--registro:nth-child(12n + 2) { grid-column: 1 / -1; }
  .el-zoccolo__rang { grid-template-columns: 1fr; }
  .el-cifra { padding-right: 1.1rem; margin-right: 1.1rem; }
}

/* ---------- stampa ---------- */

@media print {
  :root {
    --el-carta: #ffffff;
    --el-carta-profonda: #ffffff;
    --el-superficie: #ffffff;
    --el-inchiostro: #000000;
    --el-inchiostro-morbido: #333333;
    --el-rame: #333333;
    --el-rame-vivo: #000000;
    --el-linea: rgba(0, 0, 0, 0.3);
    --el-linea-debole: rgba(0, 0, 0, 0.15);
  }
  .el-quadro, .el-zoccolo, .el-salto, .el-via { display: none; }
  body { font-size: 11pt; line-height: 1.45; }
  .el-scheda-tecnica { background: none; }
  a { color: #000; text-decoration: underline; }
  .el-tabella { overflow: visible; }
  .el-scheda__vista, .el-settore__vista, .el-rubrica__vista, .el-saggio__figura img { display: none; }
}

.el-zoccolo__colonna { min-width: 0; }