/* MadTech — foglio di stile condiviso per le pagine di contenuto (blog, pilastro) */

:root {
  --carta:       #F7F8FA;
  --bianco:      #FFFFFF;
  --inchiostro:  #14202B;
  --inchiostro-2:#1C2C3A;
  --testo:       #2A3843;
  --acciaio:     #5D6E7E;
  --linea:       #E3E8ED;
  --rame:        #A4511E;
  --rame-vivo:   #C56A2B;
  --rame-linea:  #E9CFBB;
  --rame-chiaro: #E58E52;
  --verde:       #1E7F5C;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body {
  margin: 0; padding: 0;
  background: var(--carta);
  color: var(--testo);
  font-family: "Inter", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
::selection { background: var(--rame-linea); color: var(--inchiostro); }
a { color: var(--rame); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }
:focus-visible { outline: 2px solid var(--rame); outline-offset: 3px; border-radius: 2px; }
img { max-width: 100%; height: auto; }

.wrap { max-width: 1160px; margin: 0 auto; padding: 0 24px; }
.wrap-stretto { max-width: 760px; margin: 0 auto; padding: 0 24px; }

.eyebrow {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--rame);
  font-weight: 500;
}

h1, h2, h3, h4 {
  font-family: "Archivo", system-ui, sans-serif;
  color: var(--inchiostro);
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin: 0;
  text-wrap: balance;
}

/* ===== NAV ===== */
nav.top {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--linea);
}
nav.top .wrap {
  height: 64px;
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
}
.logo {
  display: flex; align-items: center; gap: 10px;
  font-family: "Archivo", system-ui, sans-serif;
  font-weight: 800;
  font-size: 19px;
  letter-spacing: -0.01em;
  color: var(--inchiostro);
}
.logo:hover { text-decoration: none; }
.logo .mark { color: var(--rame); }
.logo img { height: 40px; width: auto; display: block; }
.logo .tag {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-weight: 400; font-size: 10.5px; letter-spacing: 0.08em;
  color: var(--acciaio);
}
@media (max-width: 720px) { .logo .tag { display: none; } .logo img { height: 34px; } }

.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a {
  font-size: 14px; font-weight: 500; color: var(--testo);
  padding: 8px 12px; border-radius: 6px;
}
.nav-links a:hover { color: var(--inchiostro); background: var(--carta); text-decoration: none; }
.nav-links a.cta { margin-left: 8px; background: var(--inchiostro); color: #fff; font-weight: 600; }
.nav-links a.cta:hover { background: var(--inchiostro-2); }
@media (max-width: 880px) { .nav-links a:not(.cta) { display: none; } }

/* ===== BRICIOLE ===== */
.briciole {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 12px; color: var(--acciaio);
  padding: 22px 0 0;
}
.briciole a { color: var(--acciaio); }
.briciole span { margin: 0 6px; color: #A9B7C2; }

/* ===== TESTATA ARTICOLO ===== */
.testata { padding: 26px 0 34px; }
.testata h1 { font-size: clamp(30px, 4.4vw, 46px); font-weight: 800; margin: 14px 0 0; }
.testata .sommario {
  font-size: 19px; color: var(--acciaio); margin: 18px 0 0; max-width: 62ch;
}
.meta {
  display: flex; flex-wrap: wrap; gap: 8px 18px; align-items: center;
  margin-top: 22px; padding-top: 18px; border-top: 1px solid var(--linea);
  font-size: 13.5px; color: var(--acciaio);
}
.meta .autore { color: var(--testo); font-weight: 600; }

/* ===== CORPO ARTICOLO ===== */
article.corpo { padding-bottom: 40px; }
article.corpo h2 {
  font-size: clamp(23px, 2.6vw, 29px);
  margin: 46px 0 14px;
  scroll-margin-top: 84px;
}
article.corpo h3 { font-size: 20px; margin: 32px 0 10px; }
article.corpo p { margin: 0 0 16px; }
article.corpo ul, article.corpo ol { margin: 0 0 18px; padding-left: 22px; }
article.corpo li { margin-bottom: 8px; }
article.corpo strong { color: var(--inchiostro); }
article.corpo > .wrap-stretto > *:first-child { margin-top: 0; }

.nota-box {
  background: var(--bianco);
  border: 1px solid var(--linea);
  border-left: 3px solid var(--rame);
  border-radius: 8px;
  padding: 18px 22px;
  margin: 26px 0;
}
.nota-box p:last-child { margin-bottom: 0; }
.nota-box .titolo {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 11.5px; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--rame); margin: 0 0 8px;
}

.tabella-wrap { overflow-x: auto; margin: 24px 0; }
table {
  width: 100%; border-collapse: collapse; font-size: 15px;
  background: var(--bianco); border: 1px solid var(--linea); border-radius: 8px;
}
th, td { text-align: left; padding: 10px 14px; border-bottom: 1px solid var(--linea); vertical-align: top; }
th {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 11.5px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--acciaio);
}
td.num { text-align: right; font-variant-numeric: tabular-nums; }
tbody tr:last-child td { border-bottom: none; }

.indice {
  background: var(--bianco);
  border: 1px solid var(--linea);
  border-radius: 10px;
  padding: 20px 24px;
  margin: 0 0 34px;
}
.indice .titolo {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 11.5px; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--acciaio); margin: 0 0 10px;
}
.indice ol { margin: 0; padding-left: 20px; }
.indice li { margin-bottom: 6px; font-size: 15px; }

/* ===== FAQ ===== */
.faq { margin: 44px 0 0; }
.faq h2 { margin-bottom: 18px; }
.faq details {
  background: var(--bianco);
  border: 1px solid var(--linea);
  border-radius: 8px;
  padding: 14px 18px;
  margin-bottom: 10px;
}
.faq summary {
  cursor: pointer; font-weight: 600; color: var(--inchiostro);
  font-family: "Archivo", system-ui, sans-serif;
}
.faq details[open] summary { margin-bottom: 10px; }
.faq details p:last-child { margin-bottom: 0; }

/* ===== CHIAMATA ALL'AZIONE ===== */
.cta-band {
  background: var(--inchiostro);
  color: #C7D6E1;
  border-radius: 12px;
  padding: 32px 34px;
  margin: 48px 0 0;
}
.cta-band h2 { color: #fff; font-size: 26px; margin: 0 0 10px; }
.cta-band p { margin: 0 0 20px; max-width: 60ch; }
.cta-band .ctas { display: flex; flex-wrap: wrap; gap: 12px; }
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: "Archivo", system-ui, sans-serif;
  font-weight: 600; font-size: 15.5px;
  padding: 13px 24px; border-radius: 8px;
  border: 1.5px solid var(--inchiostro); color: var(--inchiostro);
  background: transparent;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}
.btn:hover { text-decoration: none; background: var(--inchiostro); color: #fff; }
.btn.primary { background: var(--inchiostro); color: #fff; }
.btn.primary:hover { background: var(--inchiostro-2); border-color: var(--inchiostro-2); }
.cta-band .btn { border-color: rgba(255,255,255,0.35); color: #fff; }
.cta-band .btn:hover { background: #fff; color: var(--inchiostro); border-color: #fff; }
.cta-band .btn.primary { background: var(--rame); border-color: var(--rame); }
.cta-band .btn.primary:hover { background: var(--rame-vivo); border-color: var(--rame-vivo); color: #fff; }

/* ===== CORRELATI E INDICE BLOG ===== */
.correlati { margin: 52px 0 0; }
.correlati h2 { font-size: 22px; margin-bottom: 16px; }
.griglia-post {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 18px;
}
.scheda-post {
  background: var(--bianco);
  border: 1px solid var(--linea);
  border-radius: 10px;
  padding: 22px 24px;
  display: flex; flex-direction: column; gap: 8px;
}
.scheda-post .categoria {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--rame);
}
.scheda-post h3 { font-size: 18px; }
.scheda-post h3 a { color: var(--inchiostro); }
.scheda-post p { margin: 0; font-size: 14.5px; color: var(--acciaio); }
.scheda-post .tempo {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 11.5px; color: #8797A5; margin-top: auto; padding-top: 8px;
}

/* ===== FOOTER ===== */
footer { padding: 32px 0; background: var(--inchiostro); margin-top: 72px; }
footer .wrap {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  font-size: 13.5px; color: #7E93A3;
}
footer a { color: var(--rame-chiaro); }
footer .motto { font-family: "JetBrains Mono", ui-monospace, monospace; font-size: 12px; }
footer .brand { margin-bottom: 20px; }
footer .brand img {
  height: 104px; width: auto; display: block;
  background: var(--carta); border-radius: 10px; padding: 10px 16px;
}

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