/* =====================================================================
   Gruppo GSI — foglio di stile
   Blu notte istituzionale, bianco avorio, accenti presi dal logo (verde salvia, blu).
   Caratteri: Source Serif 4 (titoli, testo del libro) + Public Sans (testo) — licenza OFL, ospitati sul sito.
   ===================================================================== */

@font-face { font-family: "Source Serif 4"; src: url("../fonts/source-serif-4-latin-400-normal.woff2") format("woff2"); font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: "Source Serif 4"; src: url("../fonts/source-serif-4-latin-400-italic.woff2") format("woff2"); font-weight: 400; font-style: italic; font-display: swap; }
@font-face { font-family: "Source Serif 4"; src: url("../fonts/source-serif-4-latin-600-normal.woff2") format("woff2"); font-weight: 600; font-style: normal; font-display: swap; }
@font-face { font-family: "Public Sans"; src: url("../fonts/public-sans-latin-400-normal.woff2") format("woff2"); font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: "Public Sans"; src: url("../fonts/public-sans-latin-400-italic.woff2") format("woff2"); font-weight: 400; font-style: italic; font-display: swap; }
@font-face { font-family: "Public Sans"; src: url("../fonts/public-sans-latin-500-normal.woff2") format("woff2"); font-weight: 500; font-style: normal; font-display: swap; }
@font-face { font-family: "Public Sans"; src: url("../fonts/public-sans-latin-600-normal.woff2") format("woff2"); font-weight: 600; font-style: normal; font-display: swap; }

:root {
  /* Colori del logo: indaco della «G», blu e verde delle foglie */
  --night: #18225a;     /* indaco profondo (fondi scuri) */
  --navy: #23306f;      /* indaco del logo: titoli, pulsanti */
  --steel: #4b6cbe;     /* blu del logo: link, dettagli */
  --blue-l: #e8eefb;    /* blu chiarissimo */
  --green: #84b35d;     /* verde del logo */
  --green-d: #4e7d2c;   /* verde scuro, leggibile su bianco */
  --green-l: #eef5e7;   /* verde chiarissimo */
  --slate: #5f6884;     /* testo secondario */
  --ink: #1a1f36;       /* testo */
  --mist: #f0f3fb;      /* fondo azzurro chiaro */
  --paper: #f6f9f1;     /* fondo verde chiaro */
  --white: #fdfdfb;
  --line: #dde2ee;
  --line-dark: rgba(255,255,255,.16);
  --sage: #84b35d;
  --cobalt: #4b6cbe;
  --serif: "Source Serif 4", Georgia, "Times New Roman", serif;
  --sans: "Public Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --wrap: 1180px;
  --r: 4px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--white); color: var(--ink); font: 400 17px/1.65 var(--sans); overflow-x: clip; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--steel); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--navy); }
strong, b { font-weight: 600; }
h1, h2, h3, h4 { font-family: var(--serif); font-weight: 600; color: var(--navy); line-height: 1.18; letter-spacing: -.005em; margin: 0 0 .5em; }
p { margin: 0 0 1em; }
ul, ol { margin: 0 0 1em; padding-left: 1.25em; }
::selection { background: #cdd8e8; }
:focus-visible { outline: 2px solid var(--cobalt); outline-offset: 3px; }

.wrap { width: min(var(--wrap), 100% - 40px); margin-inline: auto; }
.narrow { width: min(760px, 100% - 40px); }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 12px; top: 12px; z-index: 100; background: #fff; padding: 8px 14px; }
.ico { flex: none; }

/* ---------- Pulsanti ---------- */
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.btn { display: inline-flex; align-items: center; gap: 10px; padding: 13px 22px; border-radius: var(--r); background: var(--navy); color: #fff; font: 500 15px/1.2 var(--sans); letter-spacing: .01em; text-decoration: none; border: 1px solid var(--navy); transition: background .2s, color .2s, border-color .2s; }
.btn:hover { background: var(--night); color: #fff; }
.btn-sm { padding: 9px 16px; font-size: 14px; }
.btn-line { background: transparent; color: var(--navy); border-color: #b9c2cf; }
.btn-line:hover { background: var(--navy); color: #fff; border-color: var(--navy); }
.btn-light { background: #fff; color: var(--night); border-color: #fff; }
.btn-light:hover { background: var(--paper); color: var(--night); }
.btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.35); }
.btn-ghost:hover { background: rgba(255,255,255,.08); color: #fff; border-color: #fff; }

/* ---------- Marchio ---------- */
.mark { width: 44px; height: 48px; }
.mark .leaf { stroke-width: 17; stroke-linejoin: round; }
.mark .g { fill: #84b35d; stroke: #84b35d; }
.mark .b { fill: #4b6cbe; stroke: #4b6cbe; }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; color: var(--navy); }
.brand-t { display: flex; flex-direction: column; line-height: 1.1; }
.brand-t b { font: 600 20px/1.1 var(--serif); letter-spacing: .01em; }
.brand-t small { font: 500 10.5px/1.3 var(--sans); letter-spacing: .16em; text-transform: uppercase; color: var(--slate); margin-top: 4px; }
.brand-light { color: #fff; }
.brand-light .brand-t small { color: rgba(255,255,255,.6); }

/* ---------- Testata ---------- */
.top { position: sticky; top: 0; z-index: 50; background: rgba(253,252,250,.94); backdrop-filter: saturate(1.4) blur(10px); -webkit-backdrop-filter: saturate(1.4) blur(10px); border-bottom: 1px solid var(--line); }
.top-in { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 76px; }
.nav { display: flex; align-items: center; gap: 28px; }
.nav ul { display: flex; gap: 26px; list-style: none; margin: 0; padding: 0; }
.nav ul a { color: var(--ink); text-decoration: none; font-size: 15px; padding: 6px 0; border-bottom: 1px solid transparent; }
.nav ul a:hover, .nav ul a[aria-current] { color: var(--navy); border-bottom-color: var(--sage); }
.nav-btn { display: none; background: none; border: 1px solid var(--line); border-radius: var(--r); padding: 8px; color: var(--navy); cursor: pointer; }
.nav-btn .ico:last-child { display: none; }

/* ---------- Apertura ---------- */
.hero { position: relative; background: var(--night); color: #e3e8f8; overflow: hidden; isolation: isolate; }
.hero::before { /* carta millimetrata: un riferimento discreto al disegno tecnico */
  content: ""; position: absolute; inset: 0; z-index: -1; opacity: .5;
  background-image: linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px),
                    linear-gradient(rgba(255,255,255,.06) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px);
  background-size: 16px 16px, 16px 16px, 80px 80px, 80px 80px;
  mask-image: linear-gradient(90deg, #000 0%, rgba(0,0,0,.6) 55%, transparent 85%);
  -webkit-mask-image: linear-gradient(90deg, #000 0%, rgba(0,0,0,.6) 55%, transparent 85%);
}
.hero-in { display: grid; grid-template-columns: 1.15fr .85fr; gap: 64px; align-items: center; padding: 88px 0 72px; }
.eyebrow { font: 500 12.5px/1.4 var(--sans); letter-spacing: .18em; text-transform: uppercase; color: var(--sage); margin-bottom: 22px; display: flex; align-items: center; gap: 14px; }
.eyebrow::before { content: ""; width: 34px; height: 1px; background: currentColor; }
.hero h1 { color: #fff; font-size: clamp(38px, 5vw, 64px); line-height: 1.04; letter-spacing: -.015em; margin-bottom: 26px; }
.hero h1 span { display: block; font-weight: 400; color: #cfd8f5; font-size: .62em; line-height: 1.2; margin-top: .25em; }
.hero h1 em { display: block; font-style: italic; font-weight: 400; font-size: .42em; color: #b4c2ea; margin-top: .55em; letter-spacing: .01em; }
.lead { font-size: 18px; line-height: 1.65; max-width: 36em; color: #d3dcf3; }
.hero-photo { margin: 0; position: relative; }
.hero-photo img { border-radius: 2px; aspect-ratio: 1; object-fit: cover; filter: saturate(.92) contrast(1.02); box-shadow: 16px 16px 0 -1px var(--night), 16px 16px 0 0 rgba(132,179,93,.5), 0 30px 60px -25px rgba(0,0,0,.6); }
.hero-photo figcaption { margin-top: 26px; font: italic 400 15px/1.3 var(--serif); color: #b4c2ea; text-align: right; }
.pillars { display: grid; grid-template-columns: repeat(3, 1fr); list-style: none; padding: 0; margin: 0 auto; border-top: 1px solid var(--line-dark); }
.pillars li { padding: 22px 0 26px; font: 400 22px/1.2 var(--serif); color: #fff; display: flex; align-items: baseline; gap: 14px; }
.pillars li + li { padding-left: 28px; border-left: 1px solid var(--line-dark); }
.pillars span { font: 500 12px/1 var(--sans); letter-spacing: .14em; color: var(--sage); }

/* ---------- Sezioni ---------- */
.sec { padding: 104px 0; position: relative; }
.sec-mist { background: var(--mist); }
.sec-head h2 { font-size: clamp(28px, 3.2vw, 40px); }
.sec-head h2.h2-sm { font-size: clamp(22px, 2.2vw, 28px); line-height: 1.3; }
.sec-head h2 small { display: block; font: 400 .5em/1.5 var(--sans); color: var(--slate); letter-spacing: 0; margin-top: .5em; }
.kicker { display: flex; align-items: center; gap: 12px; font: 600 12.5px/1.4 var(--sans); letter-spacing: .16em; text-transform: uppercase; color: var(--steel); margin-bottom: 18px; }
.kicker span { font-weight: 500; color: var(--slate); padding-right: 12px; border-right: 1px solid var(--line); }
.kicker-sm { margin-bottom: 8px; }
.grid-2 { display: grid; grid-template-columns: 5fr 7fr; gap: 72px; align-items: start; }
.prose { font-size: 17.5px; }
.prose p.big, .big { font: 400 24px/1.45 var(--serif); color: var(--navy); }

/* Registro dei documenti */
.docs { margin-top: 64px; }
.docs-t { font: 400 20px/1.4 var(--serif); color: var(--navy); margin-bottom: 18px; }
.register { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, 1fr); column-gap: 48px; border-top: 1px solid var(--navy); }
.register li { display: grid; grid-template-columns: 42px 26px 1fr; align-items: center; gap: 10px; padding: 16px 4px; border-bottom: 1px solid var(--line); font-size: 17px; }
.register .n { font: 500 12px/1 var(--sans); color: var(--slate); letter-spacing: .08em; font-variant-numeric: tabular-nums; }
.register .ico { color: var(--steel); }

/* Collaboratori */
.sec-head-row { margin-bottom: 44px; }
.team { display: grid; grid-template-columns: 4fr 8fr; gap: 40px; align-items: start; }
.team-photo { margin: 0; position: sticky; top: 110px; }
.team-photo img { aspect-ratio: 4/5; object-fit: cover; border-radius: 2px; }
.cards { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.card { background: var(--white); padding: 30px 28px 26px; }
.card:last-child:nth-child(odd) { grid-column: 1 / -1; }
.card h3 { font: 600 13.5px/1.35 var(--sans); letter-spacing: .12em; color: var(--navy); margin: 18px 0 10px; }
.card p { font-size: 15.5px; line-height: 1.6; color: #3b4556; margin: 0; }
.card-ico { display: inline-grid; place-items: center; width: 44px; height: 44px; border-radius: 50%; background: var(--mist); color: var(--navy); }
.card-ico .ico { width: 22px; height: 22px; }

/* Formazioni */
.checks { list-style: none; margin: 0 0 32px; padding: 0; columns: 2; column-gap: 40px; }
.checks li { break-inside: avoid; position: relative; padding: 11px 0 11px 28px; border-bottom: 1px solid var(--line); font-size: 16.5px; }
.checks li::before { content: ""; position: absolute; left: 2px; top: 19px; width: 12px; height: 7px; border-left: 1.6px solid var(--sage); border-bottom: 1.6px solid var(--sage); transform: rotate(-45deg); }
.checks li:first-child { column-span: all; }
.coach { background: var(--paper); border-left: 3px solid var(--sage); padding: 22px 26px; }
.coach p:last-child { margin: 0; font: 400 19px/1.5 var(--serif); color: var(--navy); }

/* Sistemi di qualità */
.sec-night { background: var(--night); color: #dfe5f7; overflow: hidden; isolation: isolate; }
.sec-night h2 { color: #fff; }
.sec-night .kicker { color: var(--sage); }
.sec-night .kicker span { color: #9aa7d6; border-color: var(--line-dark); }
.sec-night .sec-head h2.h2-sm { font-size: clamp(22px, 2.2vw, 28px); line-height: 1.3; }
.sec-head h2 small { color: #b4c2ea; }
.band { position: absolute; inset: 0 0 0 auto; width: 38%; z-index: -1; }
.band img { width: 100%; height: 100%; object-fit: cover; opacity: .22; filter: grayscale(.6) saturate(.6); mask-image: linear-gradient(90deg, transparent, #000 70%); -webkit-mask-image: linear-gradient(90deg, transparent, #000 70%); }
.iso { margin: 0 0 28px; border-top: 1px solid rgba(255,255,255,.25); }
.iso div { display: grid; grid-template-columns: 230px 1fr; gap: 20px; padding: 20px 0; border-bottom: 1px solid var(--line-dark); align-items: baseline; }
.iso dt { font: 600 18px/1.3 var(--serif); color: #fff; font-variant-numeric: tabular-nums; }
.iso dd { margin: 0; font: 500 13.5px/1.4 var(--sans); letter-spacing: .1em; color: #c4cff0; }
.iso-note { font-size: 16.5px; color: #d3dcf3; }

/* Libro in home */
.book-sec { background: linear-gradient(180deg, var(--paper), var(--white)); }
.book-in { display: grid; grid-template-columns: 340px 1fr; gap: 80px; align-items: center; }
.cover { display: block; position: relative; transition: transform .35s ease; }
.cover img { box-shadow: 0 2px 0 #fff inset, 18px 24px 40px -18px rgba(18,29,51,.45), 0 1px 2px rgba(0,0,0,.15); border-radius: 1px 4px 4px 1px; }
.cover::before { content: ""; position: absolute; left: 6px; top: 0; bottom: 0; width: 2px; background: rgba(255,255,255,.25); z-index: 1; }
.cover:hover { transform: translateY(-4px) rotate(-.4deg); }
.book-txt h2 { font-size: clamp(30px, 3.4vw, 44px); }
.book-sub { font: italic 400 21px/1.4 var(--serif); color: var(--steel); }

/* Contatto */
.sec-contact { background: var(--mist); }
.contact-card { background: var(--night); color: #fff; padding: 40px 40px 32px; border-radius: 2px; position: relative; }
.contact-card::before { content: ""; position: absolute; top: 0; left: 40px; width: 56px; height: 3px; background: var(--sage); }
.cc-name { font: 600 13px/1.3 var(--sans); letter-spacing: .2em; color: #b4c2ea; margin-bottom: 20px; }
.cc-row { display: flex; align-items: center; gap: 18px; padding: 18px 0; border-bottom: 1px solid var(--line-dark); color: #fff; text-decoration: none; font: 400 24px/1.2 var(--serif); }
.cc-row:hover { color: #cfe0c3; }
.cc-row small { display: block; font: 500 11px/1 var(--sans); letter-spacing: .16em; text-transform: uppercase; color: #9aa7d6; margin-bottom: 6px; }
.cc-row .ico { width: 24px; height: 24px; color: var(--sage); }
.cc-legal { margin: 22px 0 0; font-size: 14px; color: #b4c2ea; }
.cc-legal a { color: #d3dcf3; }

/* ---------- Pagine interne ---------- */
.page-head { background: var(--night); color: #d3dcf3; padding: 72px 0 56px; }
.page-head h1 { color: #fff; font-size: clamp(30px, 4vw, 46px); }
.page-head .kicker { color: var(--sage); }
.page-sub { color: #b4c2ea; margin: 0; }
.page-404 .page-head { padding: 110px 0 120px; }
.legal { padding-top: 64px; }
.legal h2 { font-size: 22px; margin-top: 2em; }
.legal ul { padding-left: 1.2em; }
.legal li { margin-bottom: .35em; }

/* ---------- Piè di pagina ---------- */
.foot { background: var(--night); color: #b9c4ea; padding: 72px 0 0; font-size: 15px; }
.foot-in { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 48px; padding-bottom: 48px; }
.foot-brand p { margin-top: 18px; max-width: 26em; }
.foot h2 { font: 600 12px/1.3 var(--sans); letter-spacing: .18em; text-transform: uppercase; color: #fff; margin-bottom: 18px; }
.foot ul { list-style: none; padding: 0; margin: 0; }
.foot li { margin-bottom: 10px; }
.foot a { color: #dfe5f7; text-decoration: none; }
.foot a:hover { color: #fff; text-decoration: underline; }
.ico-link { display: inline-flex; align-items: center; gap: 10px; }
.ico-link .ico { width: 17px; height: 17px; color: var(--sage); }
.foot-legal { border-top: 1px solid var(--line-dark); padding: 22px 0 30px; margin: 0 auto; font-size: 13px; line-height: 1.6; color: #9aa7d6; }
.foot-legal a { color: #c4cff0; }

/* =====================================================================
   Il libro
   ===================================================================== */
.bk-hero { background: var(--night); color: #d3dcf3; overflow: hidden; position: relative; isolation: isolate; }
.bk-hero::before { content: ""; position: absolute; inset: 0; z-index: -1; opacity: .5; background-image: linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px); background-size: 24px 24px; mask-image: linear-gradient(90deg, transparent 20%, #000); -webkit-mask-image: linear-gradient(90deg, transparent 20%, #000); }
.bk-hero-in { display: grid; grid-template-columns: 300px 1fr; gap: 72px; align-items: center; padding: 80px 0; }
.bk-cover { margin: 0; }
.bk-cover img { box-shadow: 24px 30px 50px -20px rgba(0,0,0,.7); border-radius: 1px 4px 4px 1px; }
.bk-hero h1 { color: #fff; font-size: clamp(34px, 4.6vw, 58px); line-height: 1.05; }
.bk-sub { font: italic 400 22px/1.4 var(--serif); color: #b4c2ea; }
.bk-facts { margin-top: 26px; font-size: 14px; letter-spacing: .04em; color: #9aa7d6; }
.dedica { margin: 40px 0 0; padding: 0 0 0 24px; border-left: 2px solid var(--sage); font: italic 400 19px/1.55 var(--serif); color: var(--slate); }
.index ol { list-style: none; padding: 0; margin: 0; border-top: 1px solid var(--navy); }
.index a { display: grid; grid-template-columns: 44px 1fr auto; gap: 12px; align-items: baseline; padding: 15px 4px; border-bottom: 1px solid var(--line); color: var(--ink); text-decoration: none; transition: background .2s, padding .2s; }
.index a:hover { background: var(--paper); padding-left: 12px; }
.ix-n { font: 500 12px/1 var(--sans); color: var(--slate); letter-spacing: .08em; }
.ix-t { font: 400 20px/1.3 var(--serif); color: var(--navy); }
.ix-m { font-size: 13px; color: var(--slate); white-space: nowrap; }
.author { display: grid; grid-template-columns: 300px 1fr; gap: 64px; align-items: start; }
.author-ph { aspect-ratio: 1; object-fit: cover; border-radius: 2px; position: sticky; top: 110px; }
.colophon { padding: 64px 0 80px; font-size: 14.5px; color: var(--slate); }
.colophon p { margin-bottom: 1.2em; }
.note-ed { background: var(--paper); border-left: 3px solid var(--steel); padding: 16px 20px; color: var(--ink); font-size: 15.5px; }

/* Capitolo */
.progress { position: fixed; top: 0; left: 0; right: 0; height: 3px; z-index: 60; background: transparent; pointer-events: none; }
.progress span { display: block; height: 100%; width: 0; background: var(--sage); transition: width .1s linear; }
.reader-in { display: grid; grid-template-columns: 270px minmax(0, 720px); gap: 72px; justify-content: center; padding: 56px 0 96px; }
.toc { position: sticky; top: 100px; align-self: start; max-height: calc(100vh - 120px); overflow: auto; font-size: 14.5px; scrollbar-width: thin; }
.toc-box summary { list-style: none; display: flex; align-items: center; gap: 10px; font: 600 12px/1.3 var(--sans); letter-spacing: .16em; text-transform: uppercase; color: var(--steel); cursor: pointer; margin-bottom: 14px; }
.toc-box summary::-webkit-details-marker { display: none; }
.toc-book { display: block; font: italic 400 16px/1.35 var(--serif); color: var(--navy); text-decoration: none; margin-bottom: 14px; }
.toc ol { list-style: none; margin: 0; padding: 0; border-left: 1px solid var(--line); }
.toc li a { display: block; padding: 6px 0 6px 16px; margin-left: -1px; border-left: 2px solid transparent; color: var(--slate); text-decoration: none; line-height: 1.35; }
.toc li a:hover { color: var(--navy); }
.toc li.cur > a { color: var(--navy); font-weight: 600; border-left-color: var(--navy); }
.toc-sub { list-style: none; margin: 2px 0 8px; padding: 0 0 0 16px; }
.toc-sub a { font-size: 13.5px; padding: 4px 0 4px 12px !important; }
.toc-sub a.on { color: var(--navy); border-left-color: var(--sage) !important; }
.chapter, .toc { min-width: 0; }
.ch-head { border-bottom: 1px solid var(--line); padding-bottom: 28px; margin-bottom: 40px; }
.ch-num { font: 600 12.5px/1 var(--sans); letter-spacing: .16em; text-transform: uppercase; color: var(--steel); }
.ch-num span { color: var(--slate); font-weight: 400; }
.ch-head h1 { font-size: clamp(34px, 4.4vw, 52px); line-height: 1.06; margin: 14px 0 16px; }
.ch-meta { font-size: 14.5px; color: var(--slate); margin: 0; }

.book-text { font: 400 19px/1.75 var(--serif); color: #1f2633; hyphens: auto; -webkit-hyphens: auto; }
.book-text p { margin: 0 0 1.05em; }
.book-text h2 { font-size: 28px; margin: 2.1em 0 .7em; padding-top: .9em; border-top: 1px solid var(--line); }
.book-text h3 { font-size: 22px; margin: 1.8em 0 .5em; color: var(--steel); }
.book-text h4 { font: 600 14px/1.4 var(--sans); letter-spacing: .1em; text-transform: uppercase; color: var(--navy); margin: 2em 0 .6em; }
.book-text ul, .book-text ol { padding-left: 1.3em; margin: 0 0 1.2em; }
.book-text li { margin-bottom: .35em; padding-left: .2em; }
.book-text li::marker { color: var(--steel); }
.book-text ul.plain { list-style: none; padding-left: 1.2em; border-left: 2px solid var(--mist); }
.book-text a { color: var(--steel); }
.book-text sup.fn a { font: 600 .72em/1 var(--sans); text-decoration: none; padding: 0 2px; }
.epigraph { margin: 0 0 2.4em; padding: 4px 0 4px 26px; border-left: 2px solid var(--sage); font-style: italic; color: var(--slate); font-size: 18px; }
.epigraph p { margin: 0 0 .6em; }
.epigraph cite { display: block; margin-top: 10px; font: normal 500 13px/1.3 var(--sans); letter-spacing: .1em; text-transform: uppercase; color: var(--steel); }
.notes { margin-top: 3em; padding-top: 1.4em; border-top: 1px solid var(--line); font: 400 14.5px/1.6 var(--sans); }
.notes-t { font: 600 12px/1.3 var(--sans) !important; letter-spacing: .16em; text-transform: uppercase; border: 0 !important; padding: 0 !important; margin: 0 0 .8em !important; color: var(--slate) !important; }
.notes .back { text-decoration: none; margin-left: 4px; }

/* Tabelle, moduli e grafici del libro */
.tbl-wrap { overflow-x: auto; margin: 1.6em 0 2em; border: 1px solid var(--line); border-radius: 2px; }
.tbl { width: 100%; border-collapse: collapse; font: 400 15px/1.5 var(--sans); }
.tbl th, .tbl td { padding: 11px 14px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.tbl thead th { background: var(--navy); color: #fff; font-weight: 600; font-size: 13px; letter-spacing: .06em; text-transform: uppercase; }
.tbl tbody th { font-weight: 500; color: var(--navy); }
.tbl tbody tr:nth-child(even) { background: #f6f7f9; }
.tbl tr:last-child td, .tbl tr:last-child th { border-bottom: 0; }
.tbl .num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.tbl tr.tot th, .tbl tr.tot td { font-weight: 600; background: var(--mist); }
.tbl-mod td { width: 25%; }
.tbl .note-row td { font-size: 13.5px; color: var(--steel); font-style: italic; }
.tbl-form thead tr.sub th { background: var(--steel); text-transform: none; letter-spacing: 0; font-size: 13.5px; }
.tbl-form tbody td { min-width: 70px; }
.form-sheet { margin: 1.6em 0 2em; border: 1px solid var(--navy); font: 400 15px/1.6 var(--sans); background: #fff; }
.fs-block { padding: 16px 20px; border-bottom: 1px solid var(--line); }
.fs-block:last-child { border-bottom: 0; }
.fs-block p { margin: 0 0 .4em; }
.fs-label { font-weight: 600; color: var(--navy); }
.fs-lines { height: 88px; background: repeating-linear-gradient(transparent 0 21px, #c9cfd8 21px 22px); }
.fs-lines.short { height: 66px; }
.fs-checks { list-style: none; padding: 0 !important; margin: 8px 0 0 !important; display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px 16px; border: 0 !important; }
.fs-checks li { display: flex; align-items: center; gap: 10px; margin: 0; }
.fs-checks li::before { content: ""; width: 14px; height: 14px; border: 1.4px solid var(--navy); flex: none; }
.chart, .fig { margin: 1.6em 0 2em; padding: 18px; background: #fff; border: 1px solid var(--line); color: var(--ink); font-family: var(--sans); }
.chart svg { width: 100%; height: auto; max-width: 480px; display: block; margin: 0 auto; }
.fig img { margin: 0 auto; }
.pyramid { margin: 1.8em 0 2.2em; text-align: center; font-family: var(--sans); }
.pyramid ol { list-style: none; padding: 0 !important; margin: 0 auto; max-width: 520px; display: grid; gap: 4px; }
.pyramid li { width: var(--w); margin: 0 auto !important; padding: 12px 8px !important; font: 600 12.5px/1.25 var(--sans); letter-spacing: .08em; color: #fff; background: var(--navy); clip-path: polygon(6% 0, 94% 0, 100% 100%, 0 100%); }
.pyramid li:nth-child(1) { background: var(--green); color: var(--night); clip-path: polygon(50% 0, 50% 0, 100% 100%, 0 100%); padding-top: 34px !important; }
.pyramid li:nth-child(2) { background: #4b6cbe; }
.pyramid li:nth-child(3) { background: #3a52a8; }
.pyramid li:nth-child(4) { background: #2c3d8a; }
.pyramid li:nth-child(5) { background: var(--night); }
.pyramid figcaption { margin-top: 14px; font: italic 400 16px/1.4 var(--serif); color: var(--slate); }

.pager { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 64px; padding-top: 32px; border-top: 1px solid var(--navy); }
.pg { display: flex; flex-direction: column; gap: 8px; padding: 20px 22px; border: 1px solid var(--line); text-decoration: none; color: var(--navy); font: 400 19px/1.3 var(--serif); transition: border-color .2s, background .2s; }
.pg:hover { border-color: var(--navy); background: var(--paper); color: var(--navy); }
.pg small { display: flex; align-items: center; gap: 8px; font: 600 11.5px/1 var(--sans); letter-spacing: .14em; text-transform: uppercase; color: var(--slate); }
.pg .ico { width: 16px; height: 16px; }
.pg.next { text-align: right; align-items: flex-end; }

/* =====================================================================
   Colori del logo e movimento
   ===================================================================== */
/* Pulsanti: verde del logo come azione principale */
.btn:hover { background: var(--steel); border-color: var(--steel); color: #fff; }
.btn-light, .btn-green { background: var(--green); color: var(--night); border-color: var(--green); font-weight: 600; }
.btn-light:hover, .btn-green:hover { background: #97c46f; border-color: #97c46f; color: var(--night); transform: translateY(-1px); }
.btn { transition: background .2s, color .2s, border-color .2s, transform .2s, box-shadow .2s; }
.btn:hover { box-shadow: 0 8px 20px -10px rgba(35,48,111,.6); }
.btn-line { background: #fff; color: var(--navy); border-color: #c6cfe6; }
.btn-line:hover { background: var(--navy); color: #fff; border-color: var(--navy); }
.btn-ghost { background: rgba(255,255,255,.06); color: #fff; border-color: rgba(255,255,255,.4); }
.btn-ghost:hover { background: rgba(255,255,255,.14); color: #fff; border-color: #fff; }

/* Testata: filo tricolore del logo */
.top::after { content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 3px; background: linear-gradient(90deg, var(--navy) 0 33.3%, var(--steel) 33.3% 66.6%, var(--green) 66.6%); }
.nav ul a:hover, .nav ul a[aria-current] { border-bottom-color: var(--green); color: var(--steel); }

/* Apertura: indaco → blu, foglie del logo in trasparenza */
.hero { background: radial-gradient(120% 90% at 85% 10%, #3a52a8 0%, rgba(58,82,168,0) 55%), linear-gradient(135deg, var(--night) 0%, var(--navy) 55%, #2b3d8c 100%); }
.hero-leaves { position: absolute; right: -120px; top: -60px; width: 620px; height: auto; z-index: -1; opacity: .16; pointer-events: none; animation: drift 18s ease-in-out infinite alternate; }
.hero-leaves .leaf { stroke-width: 17; stroke-linejoin: round; }
.hero-leaves .g { fill: var(--green); stroke: var(--green); }
.hero-leaves .b { fill: #7d97e0; stroke: #7d97e0; }
@keyframes drift { from { transform: rotate(-4deg) translateY(0); } to { transform: rotate(3deg) translateY(24px); } }
.eyebrow { color: var(--green); }
.hero-photo img { box-shadow: 16px 16px 0 -1px var(--navy), 16px 16px 0 0 var(--green), 0 30px 60px -25px rgba(0,0,0,.6); }
.pillars { border-top-color: rgba(255,255,255,.18); }
.pillars li { position: relative; transition: background .25s; }
.pillars li::before { content: ""; position: absolute; left: 0; top: -1px; width: 0; height: 3px; background: var(--c, var(--green)); transition: width .5s ease; }
.pillars li:nth-child(1) { --c: #7d97e0; } .pillars li:nth-child(2) { --c: var(--green); } .pillars li:nth-child(3) { --c: #ffffff; }
.pillars li + li::before { left: 0; }
.pillars li:hover::before, .pillars.in li::before { width: 100%; }
.pillars li:nth-child(2)::before { transition-delay: .15s; } .pillars li:nth-child(3)::before { transition-delay: .3s; }
.pillars span { color: var(--c); }

/* Titoletti di sezione */
.kicker { color: var(--steel); }
.kicker span { color: var(--green-d); font-weight: 600; }
.sec-head h2 { position: relative; }

/* Registro dei documenti */
.register { border-top: 2px solid var(--navy); }
.register li { transition: background .2s, padding .2s; }
.register li:hover { background: var(--blue-l); padding-left: 12px; }
.register .n { display: inline-grid; place-items: center; width: 32px; height: 32px; border-radius: 50%; background: var(--green-l); color: var(--green-d); font-weight: 600; }
.register li:nth-child(even) .n { background: var(--blue-l); color: var(--steel); }
.register .ico { color: var(--steel); }

/* Collaboratori: schede con il colore del logo */
.sec-mist { background: linear-gradient(180deg, var(--mist), #f7f9fe); }
.cards { gap: 18px; background: none; border: 0; }
.card { position: relative; border: 1px solid var(--line); border-radius: 6px; overflow: hidden; transition: transform .25s, box-shadow .25s, border-color .25s; }
.card::before { content: ""; position: absolute; left: 0; top: 0; right: 0; height: 4px; background: var(--c, var(--steel)); }
.card:nth-child(3n+1) { --c: var(--steel); } .card:nth-child(3n+2) { --c: var(--green); } .card:nth-child(3n) { --c: var(--navy); }
.card:hover { transform: translateY(-4px); box-shadow: 0 18px 36px -22px rgba(35,48,111,.45); border-color: transparent; }
.card-ico { background: var(--c, var(--steel)); color: #fff; }
.card:nth-child(3n+2) .card-ico { color: var(--night); }
.team-photo img { border-radius: 6px; box-shadow: -14px 14px 0 0 var(--green-l); }

/* Formazioni */
.checks li::before { border-color: var(--green-d); }
.checks li { transition: color .2s; }
.checks li:hover { color: var(--steel); }
.coach { background: var(--green-l); border-left: 4px solid var(--green); border-radius: 0 6px 6px 0; }
.coach .kicker { color: var(--green-d); }

/* Sistemi di qualità */
.sec-night { background: linear-gradient(135deg, var(--night), var(--navy) 60%, #2d3f90); }
.band img { opacity: .28; filter: grayscale(.2) saturate(.9); }
.iso div { position: relative; padding-left: 22px; transition: background .2s; }
.iso div::before { content: ""; position: absolute; left: 0; top: 27px; width: 9px; height: 9px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 4px rgba(132,179,93,.18); }
.iso div:nth-child(even)::before { background: #7d97e0; box-shadow: 0 0 0 4px rgba(125,151,224,.2); }
.iso div:hover { background: rgba(255,255,255,.04); }

/* Libro */
.book-sec { background: linear-gradient(120deg, var(--blue-l) 0%, var(--white) 55%, var(--green-l) 100%); }
.book-sub { color: var(--steel); }
.cover::after { content: ""; position: absolute; inset: -18px -18px auto auto; width: 90px; height: 90px; border-radius: 50%; background: var(--green); opacity: .9; z-index: -1; }
.cover { isolation: isolate; }

/* Contatto */
.contact-card { background: linear-gradient(140deg, var(--night), var(--navy) 55%, #34489c); border-radius: 6px; overflow: hidden; }
.contact-card::before { background: var(--green); width: 72px; height: 4px; }
.contact-card::after { content: ""; position: absolute; right: -40px; bottom: -40px; width: 160px; height: 160px; border-radius: 50%; border: 22px solid rgba(132,179,93,.18); }
.cc-row .ico { color: var(--green); }
.cc-row:hover { color: #cde6b6; }

/* Piè di pagina */
.foot { background: linear-gradient(180deg, var(--night), #121a47); position: relative; }
.foot::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 4px; background: linear-gradient(90deg, var(--navy) 0 33.3%, var(--steel) 33.3% 66.6%, var(--green) 66.6%); }

/* Pagine interne e libro */
.page-head, .bk-hero { background: linear-gradient(135deg, var(--night), var(--navy) 60%, #2d3f90); }
.progress span { background: linear-gradient(90deg, var(--green), var(--steel)); }
.toc li.cur > a { border-left-color: var(--green); color: var(--navy); }
.ch-num { color: var(--green-d); }
.book-text h3 { color: var(--steel); }
.book-text h4 { color: var(--green-d); }
.book-text ul.plain { border-left-color: var(--green-l); }
.tbl thead th { background: var(--navy); }
.tbl tr.tot th, .tbl tr.tot td { background: var(--green-l); }
.index a:hover { background: var(--blue-l); }
.ix-n { color: var(--green-d); font-weight: 600; }
.dedica { border-left-color: var(--green); }
.note-ed { background: var(--blue-l); border-left-color: var(--steel); }
.pg:hover { border-color: var(--steel); background: var(--blue-l); }

/* Comparsa progressiva dei blocchi */
.rv { opacity: 0; transform: translateY(22px); transition: opacity .7s ease, transform .7s cubic-bezier(.2,.7,.2,1); }
.rv.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .rv { opacity: 1; transform: none; } .hero-leaves { animation: none; } }

/* =====================================================================
   Schermi medi e piccoli
   ===================================================================== */
@media (max-width: 1080px) {
  .nav ul { gap: 18px; }
  .grid-2 { grid-template-columns: 1fr; gap: 36px; }
  .team { grid-template-columns: 1fr; }
  .team-photo { position: static; }
  .team-photo img { aspect-ratio: 16/9; }
  .reader-in { grid-template-columns: 1fr; gap: 24px; padding-top: 28px; }
  .toc { position: static; max-height: none; border: 1px solid var(--line); padding: 14px 18px; background: var(--paper); }
  .toc-box summary { margin: 0; }
  .toc-box[open] summary { margin-bottom: 14px; }
}
@media (max-width: 900px) {
  .nav-btn { display: inline-flex; }
  .nav { position: fixed; inset: 76px 0 auto 0; background: var(--white); flex-direction: column; align-items: stretch; gap: 0; padding: 8px 20px 24px; border-bottom: 1px solid var(--line); box-shadow: 0 20px 30px -20px rgba(18,29,51,.25); transform: translateY(-8px); opacity: 0; visibility: hidden; transition: .2s; }
  .nav ul { flex-direction: column; gap: 0; }
  .nav ul a { display: block; padding: 14px 0; border-bottom: 1px solid var(--line); font-size: 17px; }
  .nav .btn { margin-top: 18px; justify-content: center; }
  .nav-open .nav { transform: none; opacity: 1; visibility: visible; }
  .nav-open .nav-btn .ico:first-child { display: none; }
  .nav-open .nav-btn .ico:last-child { display: block; }
  .hero-in { grid-template-columns: 1fr; gap: 44px; padding: 56px 0 48px; }
  .hero-photo { max-width: 420px; }
  .book-in, .bk-hero-in, .author { grid-template-columns: 1fr; gap: 40px; }
  .cover, .bk-cover { max-width: 260px; }
  .author-ph { position: static; max-width: 220px; }
  .foot-in { grid-template-columns: 1fr 1fr; }
  .foot-brand { grid-column: 1 / -1; }
}
@media (max-width: 640px) {
  body { font-size: 16.5px; }
  .sec { padding: 72px 0; }
  .pillars li { font-size: 17px; flex-direction: column; gap: 6px; padding: 18px 0 20px; }
  .pillars li + li { padding-left: 16px; }
  .register { grid-template-columns: 1fr; }
  .cards { grid-template-columns: 1fr; }
  .checks { columns: 1; }
  .iso div { grid-template-columns: 1fr; gap: 4px; }
  .contact-card { padding: 32px 24px 26px; }
  .cc-row { font-size: 20px; }
  .foot-in { grid-template-columns: 1fr; gap: 32px; }
  .brand-t small { display: none; }
  .book-text { font-size: 18px; }
  .book-text h2 { font-size: 24px; }
  .pager { grid-template-columns: 1fr; }
  .pg.next { text-align: left; align-items: flex-start; }
  .fs-checks { grid-template-columns: 1fr 1fr; }
  .tbl { font-size: 14px; }
  .tbl th, .tbl td { padding: 9px 10px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; } }
@media print {
  .top, .foot, .toc, .pager, .progress, .actions { display: none !important; }
  .reader-in { display: block; padding: 0; }
  body { background: #fff; }
}