/* Design system di alessiosetaro.it (site/docs/design-system.md): taccuino da campo in blu e azzurro.
   Condiviso da tutte le pagine del sito. Font ospitati in /fonts/ (OFL). Il banner delle statistiche ha il suo stile in assets/consenso.js. */
@font-face { font-family: "Fraunces"; src: url("../fonts/fraunces-variabile-latin.woff2") format("woff2"); font-weight: 300 700; font-display: swap; }
@font-face { font-family: "Fraunces"; src: url("../fonts/fraunces-variabile-italic-latin.woff2") format("woff2"); font-style: italic; font-weight: 300 700; font-display: swap; }
@font-face { font-family: "IBM Plex Sans"; src: url("../fonts/ibm-plex-sans-variabile-latin.woff2") format("woff2"); font-weight: 400 600; font-display: swap; }
@font-face { font-family: "IBM Plex Sans"; src: url("../fonts/ibm-plex-sans-italic-latin.woff2") format("woff2"); font-style: italic; font-weight: 400; font-display: swap; }
@font-face { font-family: "IBM Plex Mono"; src: url("../fonts/ibm-plex-mono-400-latin.woff2") format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "IBM Plex Mono"; src: url("../fonts/ibm-plex-mono-500-latin.woff2") format("woff2"); font-weight: 500; font-display: swap; }
:root {
  --bg: #E9EFF7; --bg-alt: #DCE5F1; --surface: #FFFFFF; --ink: #0E1B2E; --muted: #4E5F78;
  --line: #C8D4E4; --dot: #B4C5DC; --chip: #D7E2F0;
  --blue: #1F4FD1; --azure: #08669A; --accent: #1F4FD1; --glow: rgba(31, 155, 220, 0.14);
  --font-display: "Fraunces", Georgia, "Times New Roman", serif;
  --font-body: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #08101E; --bg-alt: #0E1A30; --surface: #13213A; --ink: #E6EEF8; --muted: #9FB2CB;
    --line: #1E2D47; --dot: #1A2840; --chip: #172640;
    --blue: #86A8FF; --azure: #5CC6F2; --accent: #86A8FF; --glow: rgba(92, 198, 242, 0.12); color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #08101E; --bg-alt: #0E1A30; --surface: #13213A; --ink: #E6EEF8; --muted: #9FB2CB;
  --line: #1E2D47; --dot: #1A2840; --chip: #172640;
  --blue: #86A8FF; --azure: #5CC6F2; --accent: #86A8FF; --glow: rgba(92, 198, 242, 0.12); color-scheme: dark;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--font-body); font-size: 17px; line-height: 1.65; counter-reset: tappa; -webkit-font-smoothing: antialiased; }
.wrap { max-width: 1040px; margin: 0 auto; padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }
.prose { max-width: 66ch; }
h1, h2, h3 { font-family: var(--font-display); font-weight: 600; text-wrap: balance; margin: 0; line-height: 1.1; font-variation-settings: "SOFT" 50; }
h1 { font-size: clamp(2.6rem, 7.5vw, 4.8rem); letter-spacing: -0.02em; font-weight: 600; }
h1 em, h2 em { font-style: italic; font-weight: 400; color: var(--azure); }
h2 { font-size: clamp(1.8rem, 3.8vw, 2.7rem); letter-spacing: -0.01em; }
h3 { font-family: var(--font-body); font-size: 1.05rem; font-weight: 600; line-height: 1.3; }
p { margin: 0; }
b, strong { font-weight: 600; }
a { color: var(--accent); text-underline-offset: 3px; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible { outline: 2px solid var(--azure); outline-offset: 3px; border-radius: 4px; }
code { font-family: var(--font-mono); font-size: 0.84em; background: var(--chip); padding: 1px 5px; border-radius: 4px; }
pre { margin: 0; padding: 18px; background: var(--surface); border: 1px solid var(--line); border-left: 3px solid var(--azure); border-radius: 10px; overflow-x: auto; font-family: var(--font-mono); font-size: 0.84rem; line-height: 1.6; }
pre code { background: none; padding: 0; }
.eyebrow { font-family: var(--font-mono); font-size: 0.74rem; text-transform: uppercase; letter-spacing: 0.14em; color: var(--muted); }
.masthead { border-bottom: 1px solid var(--line); background: var(--bg); }
.masthead .wrap { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 6px 16px; padding-block: 16px; }
.wordmark { font-family: var(--font-display); font-weight: 600; font-size: 1.2rem; letter-spacing: -0.01em; color: var(--ink); }
.wordmark span { color: var(--azure); }
.masthead .eyebrow { font-size: 0.7rem; }
.hero { padding-block: 56px 48px; border-bottom: 1px solid var(--line);
  background-image: radial-gradient(ellipse at 90% 0%, var(--glow), transparent 55%), radial-gradient(var(--dot) 1.2px, transparent 1.3px);
  background-size: auto, 22px 22px; }
.hero .wrap { display: grid; gap: 22px; }
.lead { font-size: 1.22rem; color: var(--muted); }
section { padding-block: 52px; border-bottom: 1px solid var(--line); }
section:nth-of-type(even) { background: var(--bg-alt); }
section .wrap { display: grid; gap: 22px; }
section .wrap > h2 { counter-increment: tappa; }
section .wrap > h2::before { content: "Tappa " counter(tappa, decimal-leading-zero); display: block; margin-bottom: 10px; font-family: var(--font-mono); font-size: 0.74rem; font-weight: 500; letter-spacing: 0.14em; text-transform: uppercase; color: var(--azure); }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 230px), 1fr)); gap: 14px; }
.grid > * { min-width: 0; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 20px; display: grid; gap: 8px; align-content: start; }
.card p, .card li { color: var(--muted); font-size: 0.96rem; }
.card ul { margin: 0; padding-left: 1.1em; display: grid; gap: 4px; }
.card.blu { border-top: 3px solid var(--blue); }
.card.azzurro { border-top: 3px solid var(--azure); }
.tag { font-family: var(--font-mono); font-size: 0.7rem; font-weight: 500; text-transform: uppercase; letter-spacing: 0.12em; }
.blu .tag { color: var(--blue); }
.azzurro .tag { color: var(--azure); }
.letter { font-family: var(--font-display); font-style: italic; font-weight: 500; font-size: 2.9rem; line-height: 1; }
.blu .letter { color: var(--blue); }
.azzurro .letter { color: var(--azure); }
.kv { display: grid; gap: 2px; }
.kv b { font-family: var(--font-mono); font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.12em; color: var(--ink); font-weight: 500; }
.cycle { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 200px), 1fr)); gap: 14px; }
.versus { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr)); gap: 14px; }
.quote { font-family: var(--font-display); font-style: italic; font-weight: 400; font-size: clamp(1.55rem, 3.4vw, 2.2rem); line-height: 1.25; border-left: 3px solid var(--azure); padding-left: 20px; }
.quote small { display: block; font-family: var(--font-body); font-style: normal; font-size: 0.9rem; color: var(--muted); margin-top: 10px; }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); }
table { border-collapse: collapse; width: 100%; min-width: 560px; font-size: 0.95rem; }
th, td { text-align: left; vertical-align: top; padding: 12px 14px; border-bottom: 1px solid var(--line); }
th { font-family: var(--font-mono); font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.12em; color: var(--muted); font-weight: 500; background: var(--bg-alt); }
td { color: var(--muted); }
td b { color: var(--ink); }
tr:last-child td { border-bottom: none; }
.rules { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr)); gap: 14px; }
.rules .card.in { border-top: 3px solid var(--azure); }
.rules .card.out { border-top: 3px solid var(--blue); }
.rules .in .tag { color: var(--azure); }
.rules .out .tag { color: var(--blue); }
.diagram { text-decoration: none; color: inherit; transition: border-color 0.15s, transform 0.15s; }
.diagram:hover { border-color: var(--azure); transform: translateY(-2px); }
.diagram h3 { color: var(--accent); }
ol.moves { margin: 0; padding-left: 1.3em; display: grid; gap: 14px; }
ol.moves li::marker { font-family: var(--font-mono); color: var(--azure); }
.moves .tag { color: var(--azure); margin-left: 6px; }
footer { padding-block: 32px 56px; color: var(--muted); font-size: 0.92rem; }
footer .wrap { display: grid; gap: 8px; }
footer .wordmark { font-size: 1.05rem; margin-bottom: 6px; }
@media (prefers-reduced-motion: reduce) { .diagram { transition: none; } .diagram:hover { transform: none; } }
/* Aggiunte per le pagine del sito personale */
main { display: block; }
.table-wrap small { font-size: 0.8em; color: var(--muted); font-weight: 400; }
.masthead a.wordmark, footer a.wordmark { text-decoration: none; }
.links { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr)); gap: 14px; }
.links .card { text-decoration: none; color: inherit; transition: border-color 0.15s, transform 0.15s; }
.links .card:hover { border-color: var(--azure); transform: translateY(-2px); }
.links .card h3 { color: var(--accent); }
.verdict { display: grid; gap: 6px; font-size: 0.96rem; color: var(--muted); }
.verdict b { color: var(--ink); }
.formula { font-family: var(--font-mono); font-size: 0.86rem; background: var(--surface); border: 1px solid var(--line); border-left: 3px solid var(--blue); border-radius: 10px; padding: 14px 18px; overflow-x: auto; }
.cycle.five { grid-template-columns: repeat(auto-fit, minmax(min(100%, 170px), 1fr)); }
/* Note legali: una colonna di testo, senza la numerazione "Tappa NN" */
.testo { display: grid; gap: 16px; max-width: 66ch; }
.legale section .wrap > h2::before { content: none; }
.matrix { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.matrix .card.out { border-top: 3px solid var(--muted); }
@media (max-width: 560px) { .matrix { grid-template-columns: 1fr; } }
@media (prefers-reduced-motion: reduce) { .links .card { transition: none; } .links .card:hover { transform: none; } }