/* ==========================================================
   CantiereBoard — sito di presentazione
   Nessun font remoto, nessuna CDN: tutto self-hosted, così la
   Content-Security-Policy può restare stretta come in nginx.
   ========================================================== */

:root {
  --bg:        #ffffff;
  --bg-alt:    #f5f6f8;
  --bg-sunk:   #eceef1;
  --surface:   #ffffff;
  --border:    #dfe3e8;
  --border-sr: #cbd2da;

  --text:      #16202b;
  --text-mid:  #4a5765;
  --text-dim:  #6d7986;

  --accent:    #d97706;   /* ocra da cantiere */
  --accent-hi: #b45309;
  --accent-bg: #fdf3e3;

  --ink:       #0f1720;   /* blu notte dei blocchi scuri */

  --ok:        #16a34a;
  --warn:      #ea580c;
  --bad:       #dc2626;
  --none:      #a8b0ba;

  --radius:    14px;
  --radius-sm: 9px;
  --shadow:    0 1px 2px rgba(15,23,32,.06), 0 8px 24px rgba(15,23,32,.06);
  --shadow-lg: 0 2px 4px rgba(15,23,32,.08), 0 24px 60px rgba(15,23,32,.14);
  --wrap:      1140px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg:        #0f1720;
    --bg-alt:    #141d28;
    --bg-sunk:   #0b1219;
    --surface:   #18222e;
    --border:    #26323f;
    --border-sr: #33414f;

    --text:      #eef2f6;
    --text-mid:  #b3bfcb;
    --text-dim:  #8794a2;

    --accent:    #f59e0b;
    --accent-hi: #fbbf24;
    --accent-bg: #2a2113;

    --ink:       #0b1219;

    --ok:        #4ade80;
    --warn:      #fb923c;
    --bad:       #f87171;
    --none:      #5b6874;

    --shadow:    0 1px 2px rgba(0,0,0,.4), 0 8px 24px rgba(0,0,0,.3);
    --shadow-lg: 0 2px 4px rgba(0,0,0,.5), 0 24px 60px rgba(0,0,0,.45);
  }
}

:root[data-theme="dark"] {
  --bg:        #0f1720;
  --bg-alt:    #141d28;
  --bg-sunk:   #0b1219;
  --surface:   #18222e;
  --border:    #26323f;
  --border-sr: #33414f;
  --text:      #eef2f6;
  --text-mid:  #b3bfcb;
  --text-dim:  #8794a2;
  --accent:    #f59e0b;
  --accent-hi: #fbbf24;
  --accent-bg: #2a2113;
  --ink:       #0b1219;
  --ok:        #4ade80;
  --warn:      #fb923c;
  --bad:       #f87171;
  --none:      #5b6874;
  --shadow:    0 1px 2px rgba(0,0,0,.4), 0 8px 24px rgba(0,0,0,.3);
  --shadow-lg: 0 2px 4px rgba(0,0,0,.5), 0 24px 60px rgba(0,0,0,.45);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 84px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { line-height: 1.2; letter-spacing: -.02em; margin: 0 0 .5em; }
h1 { font-size: clamp(2.2rem, 5.5vw, 3.6rem); font-weight: 800; }
h2 { font-size: clamp(1.6rem, 3.4vw, 2.35rem); font-weight: 750; }
h3 { font-size: 1.2rem; font-weight: 700; }
h4 { font-size: .95rem; font-weight: 700; }
p  { margin: 0 0 1rem; }

a { color: var(--accent-hi); text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover { color: var(--accent); }

code {
  font-family: var(--mono);
  font-size: .85em;
  background: var(--bg-sunk);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: .1em .4em;
}

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }

.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.skip {
  position: absolute; left: -9999px; top: 0; z-index: 100;
  background: var(--accent); color: #fff; padding: 10px 18px;
  border-radius: 0 0 var(--radius-sm) 0; font-weight: 600;
}
.skip:focus { left: 0; }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

/* ── Barra superiore ─────────────────────────────────── */

.topbar {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s, box-shadow .2s;
}
.topbar.scrolled { border-bottom-color: var(--border); box-shadow: var(--shadow); }

.topbar-in { display: flex; align-items: center; gap: 20px; height: 68px; }

.brand {
  display: inline-flex; align-items: center; gap: 10px;
  color: var(--text); text-decoration: none; font-size: 1.12rem;
  letter-spacing: -.02em; margin-right: auto;
}
.brand-text strong, .footer-brand strong { color: var(--accent-hi); font-weight: 800; }
.brand-mark { width: 26px; height: 26px; fill: var(--accent); flex: none; }

.nav { display: flex; gap: 26px; }
.nav a {
  color: var(--text-mid); text-decoration: none; font-size: .93rem;
  font-weight: 550; white-space: nowrap;
}
.nav a:hover { color: var(--text); }

.burger {
  display: none; width: 42px; height: 42px; padding: 10px;
  background: none; border: 1px solid var(--border); border-radius: var(--radius-sm);
  cursor: pointer;
}
.burger span { display: block; height: 2px; background: var(--text); border-radius: 2px; margin: 4px 0; }

.nav-mobile { display: none; flex-direction: column; padding: 8px 24px 20px; border-top: 1px solid var(--border); }
.nav-mobile a { padding: 11px 0; color: var(--text); text-decoration: none; font-weight: 550; border-bottom: 1px solid var(--border); }

@media (max-width: 900px) {
  .nav { display: none; }
  .burger { display: block; }
  .nav-mobile:not([hidden]) { display: flex; }
}
@media (max-width: 420px) {
  .topbar-in .btn-sm { display: none; }
}

/* ── Bottoni ─────────────────────────────────────────── */

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 13px 24px; border-radius: var(--radius-sm);
  font-weight: 650; font-size: .97rem; text-decoration: none;
  border: 1px solid transparent; cursor: pointer;
  transition: transform .12s ease, background .15s, border-color .15s, color .15s;
}
.btn:active { transform: translateY(1px); }
.btn-sm { padding: 9px 17px; font-size: .9rem; }

.btn-primary { background: var(--accent); color: #1a1206; border-color: var(--accent); }
.btn-primary:hover { background: var(--accent-hi); border-color: var(--accent-hi); color: #1a1206; }

.btn-ghost { background: transparent; color: var(--text); border-color: var(--border-sr); }
.btn-ghost:hover { background: var(--bg-alt); border-color: var(--text-dim); color: var(--text); }

/* ── Hero ────────────────────────────────────────────── */

.hero { padding: 76px 0 88px; background: linear-gradient(180deg, var(--accent-bg) 0%, var(--bg) 62%); }
.hero-in { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }

.eyebrow {
  text-transform: uppercase; letter-spacing: .1em; font-size: .74rem;
  font-weight: 700; color: var(--accent-hi); margin: 0 0 12px;
}
.hl {
  background: linear-gradient(180deg, transparent 62%, color-mix(in srgb, var(--accent) 42%, transparent) 62%);
  padding: 0 .06em;
}
.lead { font-size: 1.14rem; color: var(--text-mid); max-width: 56ch; }

.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.cta-center { justify-content: center; }
.cta-note { margin-top: 16px; font-size: .88rem; color: var(--text-dim); }

/* Mock della dashboard */
.mock {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow-lg); overflow: hidden;
}
.mock-bar {
  display: flex; align-items: center; gap: 7px;
  padding: 12px 16px; background: var(--bg-alt); border-bottom: 1px solid var(--border);
}
.mock-bar .dot { width: 9px; height: 9px; border-radius: 50%; background: var(--border-sr); }
.mock-title { margin-left: 10px; font-size: .8rem; font-weight: 650; color: var(--text-dim); }
.mock-body { padding: 16px 18px 20px; }

.mock-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 10px; }
.mock-row-sep { margin-top: 22px; padding-top: 18px; border-top: 1px solid var(--border); }
.mock-name { font-weight: 650; font-size: .92rem; }

.pill { font-size: .7rem; font-weight: 700; padding: 3px 9px; border-radius: 999px; white-space: nowrap; }
.pill-ok  { background: color-mix(in srgb, var(--ok) 16%, transparent);  color: var(--ok); }
.pill-bad { background: color-mix(in srgb, var(--bad) 16%, transparent); color: var(--bad); }

.mock-doc {
  display: flex; align-items: center; gap: 10px;
  font-size: .86rem; color: var(--text-mid); padding: 5px 0;
}
.mock-doc em { color: var(--text-dim); font-size: .8rem; font-style: normal; }

.sem { width: 11px; height: 11px; border-radius: 50%; flex: none; display: inline-block; }
.sem-ok   { background: var(--ok); }
.sem-warn { background: var(--warn); }
.sem-bad  { background: var(--bad); }
.sem-none { background: var(--none); }

@media (max-width: 900px) {
  .hero { padding: 48px 0 60px; }
  .hero-in { grid-template-columns: 1fr; gap: 40px; }
}

/* ── Fasce di contenuto ──────────────────────────────── */

.band { padding: 84px 0; }
.band-alt { background: var(--bg-alt); border-block: 1px solid var(--border); }
.section-lead { color: var(--text-mid); max-width: 66ch; font-size: 1.03rem; }
.section-lead.center { margin-inline: auto; text-align: center; }
.band > .wrap > h2 + .section-lead.center { margin-bottom: 44px; }
.sub { font-size: 1.08rem; }
.footnote { font-size: .87rem; color: var(--text-dim); }

.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
@media (max-width: 900px) { .band { padding: 56px 0; } .two-col { grid-template-columns: 1fr; gap: 40px; } }

/* ── Schede moduli ───────────────────────────────────── */

.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 40px; }
@media (max-width: 900px) { .cards { grid-template-columns: 1fr; } }

.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 26px 24px 24px;
  box-shadow: var(--shadow); transition: transform .18s ease, border-color .18s;
}
.card:hover { transform: translateY(-3px); border-color: var(--border-sr); }
.card-head { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; }
.card-head h3 { margin: 0; }
.card-key { margin: 2px 0 12px; }
.card p:last-child { margin-bottom: 0; color: var(--text-mid); font-size: .95rem; }

.tag { font-size: .68rem; font-weight: 700; padding: 3px 9px; border-radius: 999px; text-transform: uppercase; letter-spacing: .04em; white-space: nowrap; }
.tag-on  { background: color-mix(in srgb, var(--ok) 15%, transparent); color: var(--ok); }
.tag-wip { background: color-mix(in srgb, var(--warn) 16%, transparent); color: var(--warn); }

/* ── Legenda semaforo ────────────────────────────────── */

.legend { list-style: none; padding: 0; margin: 26px 0 0; display: grid; gap: 14px; }
.legend li { display: flex; align-items: flex-start; gap: 13px; font-size: .96rem; color: var(--text-mid); }
.legend .sem { margin-top: 7px; width: 13px; height: 13px; }
.legend strong { color: var(--text); }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin: 18px 0; }
@media (max-width: 560px) { .split { grid-template-columns: 1fr; } }

.mini { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 18px 20px; }
.mini h4 { margin: 0 0 10px; color: var(--accent-hi); }

.ticks { list-style: none; padding: 0; margin: 0; display: grid; gap: 7px; }
.ticks li { position: relative; padding-left: 22px; font-size: .92rem; color: var(--text-mid); }
.ticks li::before {
  content: ""; position: absolute; left: 2px; top: .55em;
  width: 9px; height: 5px; border-left: 2px solid var(--accent);
  border-bottom: 2px solid var(--accent); transform: rotate(-45deg);
}

/* ── Schema anagrafiche ──────────────────────────────── */

.flow { display: grid; grid-template-columns: 1fr auto 1.2fr; gap: 22px; align-items: center; margin-top: 12px; }
.flow-node { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px 24px; box-shadow: var(--shadow); }
.flow-src { border-color: var(--accent); }
.flow-label { display: block; font-weight: 700; margin-bottom: 8px; }
.flow-node ul { margin: 0; padding-left: 20px; color: var(--text-mid); font-size: .93rem; }
.flow-node p { margin: 0; color: var(--text-mid); font-size: .9rem; }
.flow-targets { display: grid; gap: 18px; }
.flow-arrows { display: grid; gap: 40px; }
.flow-arrows span { display: block; width: 46px; height: 2px; background: var(--border-sr); position: relative; }
.flow-arrows span::after {
  content: ""; position: absolute; right: 0; top: -4px;
  border: 5px solid transparent; border-left-color: var(--border-sr);
}
@media (max-width: 800px) {
  .flow { grid-template-columns: 1fr; }
  .flow-arrows { display: none; }
}

/* ── Tabella ruoli ───────────────────────────────────── */

.table-scroll { overflow-x: auto; margin-top: 34px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); }
.tbl { width: 100%; border-collapse: collapse; min-width: 560px; }
.tbl th, .tbl td { text-align: left; padding: 15px 20px; border-bottom: 1px solid var(--border); vertical-align: top; }
.tbl thead th { background: var(--bg-sunk); font-size: .78rem; text-transform: uppercase; letter-spacing: .06em; color: var(--text-dim); }
.tbl tbody th { font-weight: 700; white-space: nowrap; }
.tbl tbody td { color: var(--text-mid); font-size: .95rem; }
.tbl tbody tr:last-child th, .tbl tbody tr:last-child td { border-bottom: 0; }

/* ── Stack e licenza ─────────────────────────────────── */

.stack { list-style: none; padding: 0; margin: 26px 0 0; display: grid; gap: 12px; }
.stack li {
  display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 13px 18px;
}
.stack strong { min-width: 118px; }
.stack span { color: var(--text-mid); font-size: .92rem; }

.license { background: var(--surface); border: 1px solid var(--border); border-left: 3px solid var(--accent); border-radius: var(--radius); padding: 28px 28px 24px; box-shadow: var(--shadow); }
.license p { color: var(--text-mid); font-size: .97rem; }

/* ── Fascia finale ───────────────────────────────────── */

.band-cta { background: var(--ink); border-block: 0; }
.band-cta h2, .band-cta .section-lead { color: #eef2f6; }
.band-cta .section-lead { color: #b3bfcb; }
.cta-box { text-align: center; max-width: 760px; }
.band-cta .btn-ghost { color: #eef2f6; border-color: #3a4756; }
.band-cta .btn-ghost:hover { background: #1b2735; border-color: #556270; color: #fff; }

/* ── Piè di pagina ───────────────────────────────────── */

.footer { background: var(--bg-sunk); border-top: 1px solid var(--border); padding: 40px 0 48px; }
.footer-in { display: grid; gap: 18px; justify-items: center; text-align: center; }
.footer-brand { display: inline-flex; align-items: center; gap: 9px; font-size: 1.02rem; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 8px 22px; justify-content: center; }
.footer-nav a { color: var(--text-mid); text-decoration: none; font-size: .9rem; }
.footer-nav a:hover { color: var(--text); }
.footer-legal { margin: 0; font-size: .84rem; color: var(--text-dim); }

/* ── Animazione d'ingresso ───────────────────────────── */

.reveal { opacity: 0; transform: translateY(14px); transition: opacity .5s ease, transform .5s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .card:hover { transform: none; }
}