/* Canone YurekAI v2 per le pagine statiche (docs.html, vendite.html).
   Gettoni, testata e piede sono la copia di src/ds/tokens/canone-v2.css e src/ds/site.css:
   le pagine statiche non passano dal bundle, quindi se cambiano là si ricopiano qui. */
:root {
  --yk-night: #050505; --yk-surface: #0e0e0e; --yk-rule: #222222; --yk-rule-soft: #1a1a1a;
  --yk-ash: #5d5a55; --yk-stone: #8a8780; --yk-mist: #c9c6c0; --yk-paper: #f4f2ee;
  --yk-thread: linear-gradient(90deg, hsl(0 80% 58%), hsl(265 70% 64%), hsl(217 85% 62%));
  --yk-font: "Outfit", system-ui, sans-serif;
  --yk-font-mono: "JetBrains Mono", ui-monospace, monospace;
  --yk-gutter: clamp(20px, 3vw, 48px); --yk-max: 1440px; --yk-nav-h: 64px;
  --yk-radius-pill: 999px; --yk-radius-menu: 18px; --yk-shadow-menu: 0 30px 80px -20px #000;
  --yk-t-hover: 0.2s;
  color-scheme: dark;
}
* { box-sizing: border-box; }
/* clip, non hidden: hidden crea uno scroll container e toglie position:sticky */
html, body { margin: 0; overflow-x: clip; max-width: 100%; }
body { background: var(--yk-night); color: var(--yk-paper); font: 15px/1.65 var(--yk-font); -webkit-font-smoothing: antialiased; }

/* ── bottoni ── */
.yk-btn { flex: none; display: inline-flex; align-items: center; justify-content: center; height: 48px; padding: 0 26px; border-radius: var(--yk-radius-pill); background: var(--yk-paper); color: var(--yk-night); font: 600 15px var(--yk-font); text-decoration: none; white-space: nowrap; border: 0; cursor: pointer; }
.yk-btn-sm { height: 36px; padding: 0 18px; font-size: 14px; }
.yk-btn:disabled { opacity: .5; cursor: default; }
.yk-eyebrow { font-family: var(--yk-font-mono); font-size: 10.5px; letter-spacing: .16em; text-transform: uppercase; color: var(--yk-ash); }

/* ── testata ── */
.yk-nav { position: sticky; top: 0; z-index: 50; min-height: var(--yk-nav-h); background: rgba(5, 5, 5, .78); backdrop-filter: saturate(1.4) blur(20px); -webkit-backdrop-filter: saturate(1.4) blur(20px); border-bottom: 1px solid var(--yk-rule-soft); }
.yk-nav-bar { max-width: var(--yk-max); margin: 0 auto; height: var(--yk-nav-h); padding: 0 var(--yk-gutter); display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 28px; }
.yk-nav-brand { justify-self: start; display: flex; align-items: center; gap: 10px; text-decoration: none; color: inherit; }
.yk-nav-brand img { height: 22px; width: auto; max-width: none; }
.yk-nav-brand .yk-nav-word { height: 15px; filter: brightness(0) invert(1); }
.yk-nav-menu { display: flex; align-items: center; white-space: nowrap; }
.yk-nav-menu a, .yk-nav-burger { display: inline-flex; align-items: center; height: 36px; padding: 0 16px; border: 0; background: transparent; color: var(--yk-stone); font: 500 14px var(--yk-font); text-decoration: none; cursor: pointer; transition: color var(--yk-t-hover); }
.yk-nav-menu a:hover, .yk-nav-menu a.on, .yk-nav-burger { color: var(--yk-paper); }
.yk-nav-burger { padding: 0 4px; }
.yk-nav-end { justify-self: end; display: flex; align-items: center; gap: 18px; }
.yk-nav-link { flex: none; white-space: nowrap; font-size: 14px; color: var(--yk-stone); text-decoration: none; transition: color var(--yk-t-hover); }
.yk-nav-link:hover { color: var(--yk-paper); }
.yk-nav-utente { color: var(--yk-paper); }
.yk-nav-lang { position: relative; }
.yk-nav-lang > button { height: 32px; padding: 0 4px; border: 0; background: transparent; color: var(--yk-stone); font-family: var(--yk-font-mono); font-size: 11px; letter-spacing: .12em; cursor: pointer; }
.yk-nav-lang > button:hover { color: var(--yk-paper); }
.yk-nav-langmenu { position: absolute; right: -8px; top: 44px; width: 180px; padding: 8px; border-radius: var(--yk-radius-menu); background: var(--yk-surface); border: 1px solid var(--yk-rule); box-shadow: var(--yk-shadow-menu); display: flex; flex-direction: column; }
.yk-nav-langmenu button { display: flex; justify-content: space-between; align-items: center; padding: 12px 14px; border: 0; border-radius: 12px; background: transparent; color: var(--yk-paper); font: 14px var(--yk-font); cursor: pointer; text-align: left; }
.yk-nav-langmenu button:hover { background: var(--yk-rule-soft); }
.yk-nav-langmenu i { width: 5px; height: 5px; border-radius: 50%; background: var(--yk-paper); }
.yk-nav-mobile { position: fixed; left: 0; right: 0; top: var(--yk-nav-h); height: calc(100dvh - var(--yk-nav-h)); overflow-y: auto; background: var(--yk-night); padding: 8px var(--yk-gutter) 48px; display: flex; flex-direction: column; gap: 36px; }
.yk-nav-mobile > div:first-child { display: flex; flex-direction: column; }
.yk-nav-mobile > div:first-child a { display: flex; justify-content: space-between; align-items: center; padding: 14px 0; border-top: 1px solid var(--yk-rule-soft); font-size: 24px; font-weight: 600; letter-spacing: -.03em; color: var(--yk-paper); text-decoration: none; }
.yk-nav-mobile > div:first-child a span { font-size: 18px; font-weight: 300; color: var(--yk-ash); }
.yk-nav-mobile-langs { display: flex; flex-wrap: wrap; gap: 10px; }
.yk-nav-mobile-langs button { height: 40px; padding: 0 16px; border-radius: var(--yk-radius-pill); border: 1px solid var(--yk-rule); background: transparent; color: var(--yk-paper); font: 14px var(--yk-font); cursor: pointer; }
.yk-nav-mobile > .yk-nav-link { font-size: 16px; }
[hidden] { display: none !important; }
.yk-narrow { display: none; }
@media (max-width: 1079px) { .yk-wide { display: none; } }
@media (max-width: 899px) {
  .yk-desk { display: none; }
  .yk-nav-bar { grid-template-columns: 1fr auto; }
  .yk-narrow { display: revert; }
  .yk-nav-mobile.yk-narrow { display: flex; }
}

/* ── piede ── */
.yk-foot { background: var(--yk-night); border-top: 1px solid var(--yk-rule-soft); }
.yk-foot a { text-decoration: none; transition: color var(--yk-t-hover); }
.yk-foot a:hover { color: var(--yk-paper); }
.yk-foot-in { max-width: var(--yk-max); margin: 0 auto; padding: 80px var(--yk-gutter) 32px; display: flex; flex-direction: column; gap: 72px; }
.yk-foot-cols { display: grid; grid-template-columns: minmax(0, 1.6fr) repeat(4, minmax(0, 1fr)); gap: 40px; }
.yk-foot-cols > div { display: flex; flex-direction: column; gap: 12px; }
.yk-foot-cols > div:first-child { gap: 20px; }
.yk-foot-cols > div > span { font-size: 13px; color: var(--yk-ash); margin-bottom: 6px; }
.yk-foot-cols > div > a { font-size: 14px; color: var(--yk-mist); }
.yk-foot-claim { margin: 0; font-size: clamp(22px, 2vw, 30px); font-weight: 600; letter-spacing: -.04em; line-height: 1.1; max-width: 16ch; }
.yk-foot-swiss { display: flex; align-items: center; gap: 10px; font-size: 13px; color: var(--yk-stone); }
.yk-foot-row { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 20px; padding-top: 24px; border-top: 1px solid var(--yk-rule-soft); }
.yk-foot-domains, .yk-foot-legal { display: flex; flex-wrap: wrap; gap: 22px; font-size: 13px; }
.yk-foot-domains a, .yk-foot-legal a { color: var(--yk-stone); }
.yk-foot-domains a { display: inline-flex; gap: 8px; align-items: baseline; }
.yk-foot-domains i { font: normal 10px var(--yk-font-mono); letter-spacing: .12em; color: var(--yk-ash); }
.yk-foot-copy { margin: 0; font-size: 12.5px; color: var(--yk-ash); }
@media (max-width: 900px) {
  .yk-foot-cols { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .yk-foot-cols > div:first-child { grid-column: 1 / -1; }
}
@media (max-width: 600px) { .yk-foot-cols { grid-template-columns: minmax(0, 1fr); } }

/* ── contenuto ── */
main { max-width: var(--yk-max); margin: 0 auto; padding: clamp(72px, 9vw, 140px) var(--yk-gutter) clamp(96px, 11vw, 160px); }
main h1 { margin: 18px 0 28px; font-size: clamp(48px, 7vw, 112px); font-weight: 600; letter-spacing: -.055em; line-height: .92; text-wrap: balance; }
main p, main li { color: var(--yk-stone); max-width: 72ch; }
main b { color: var(--yk-paper); font-weight: 600; }
main a { color: var(--yk-paper); text-underline-offset: 4px; text-decoration-color: var(--yk-ash); }
main a:hover { text-decoration-color: var(--yk-paper); }

/* documentazione */
.doc { max-width: 920px; margin: 0; }
.doc-torna { display: inline-flex; align-items: center; height: 36px; margin-bottom: 28px; padding: 0 14px; border: 1px solid var(--yk-rule); border-radius: 999px; color: var(--yk-paper); font-size: 14px; text-decoration: none; }
.doc-torna:hover { border-color: #2174BF; }
.doc-lead { font-size: clamp(16px, 1.25vw, 19px); line-height: 1.6; color: var(--yk-mist); max-width: 64ch; }
.doc h2 { margin: 72px 0 18px; padding-top: 28px; border-top: 1px solid var(--yk-rule); font-size: clamp(26px, 2.6vw, 38px); font-weight: 600; letter-spacing: -.04em; line-height: 1.05; }
.doc ul { padding-left: 20px; }
.doc li { margin: 10px 0; }
code { font-family: var(--yk-font-mono); font-size: .88em; color: var(--yk-paper); background: var(--yk-surface); border: 1px solid var(--yk-rule-soft); border-radius: 6px; padding: 1px 6px; }
pre { margin: 16px 0; padding: 20px 22px; max-width: 100%; overflow-x: auto; background: var(--yk-surface); border: 1px solid var(--yk-rule); border-radius: 18px; line-height: 1.7; }
pre code { background: none; border: 0; padding: 0; font-size: 13px; }
/* il largo scorre dentro il proprio contenitore, mai la pagina di lato */
table { display: block; overflow-x: auto; width: 100%; margin: 16px 0; border-collapse: collapse; }
th, td { padding: 14px 24px 14px 0; text-align: left; font-size: 14px; border-bottom: 1px solid var(--yk-rule-soft); }
th { font: 400 10.5px var(--yk-font-mono); letter-spacing: .16em; text-transform: uppercase; color: var(--yk-ash); border-bottom-color: var(--yk-rule); }
td { color: var(--yk-stone); } td code { white-space: nowrap; }

/* vendite */
.sales-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: clamp(34px, 5vw, 88px); align-items: start; }
@media (max-width: 920px) { .sales-grid { grid-template-columns: minmax(0, 1fr); } }
.sales-left h1 { font-size: clamp(40px, 5.2vw, 84px); }
.sales-left .lead { font-size: clamp(16px, 1.25vw, 19px); line-height: 1.6; color: var(--yk-mist); max-width: 46ch; }
.sales-props { list-style: none; padding: 0; margin: 44px 0 0; }
.sales-props li { display: flex; gap: 14px; align-items: flex-start; max-width: none; padding: 18px 0; border-top: 1px solid var(--yk-rule-soft); font-size: 15px; line-height: 1.5; }
.sales-props svg { flex: none; margin-top: 3px; color: var(--yk-stone); }
.sales-props b { display: block; letter-spacing: -.015em; }
.sales-props span { font-size: 13.5px; color: var(--yk-stone); }
.sales-trust { margin: 0; padding-top: 18px; border-top: 1px solid var(--yk-rule-soft); font-size: 12.5px; }
.sales-trust a { color: var(--yk-stone); }
/* il filo del marchio: una sola linea, in cima alla scheda */
.form-card { position: relative; overflow: hidden; background: var(--yk-surface); border: 1px solid var(--yk-rule); border-radius: 28px; padding: clamp(22px, 2.6vw, 36px); }
.form-card::before { content: ""; position: absolute; inset: 0 0 auto; height: 2px; background: var(--yk-thread); }
form.sales { display: flex; flex-direction: column; gap: 18px; }
.sales-2col { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 560px) { .sales-2col { grid-template-columns: 1fr; } }
form.sales label { display: flex; flex-direction: column; gap: 8px; font-size: 13px; color: var(--yk-stone); }
form.sales input, form.sales select, form.sales textarea { font: 15px var(--yk-font); color: var(--yk-paper); background: var(--yk-night); border: 1px solid var(--yk-rule); border-radius: 12px; padding: 12px 14px; }
form.sales textarea { min-height: 140px; resize: vertical; }
form.sales input:focus, form.sales select:focus, form.sales textarea:focus { outline: none; border-color: var(--yk-paper); }
.sales-msg { margin: 0; min-height: 18px; font-size: 13.5px; }
.sales-msg.ok { color: var(--yk-paper); } .sales-msg.err { color: hsl(0 80% 68%); }
.sales-cta { width: 100%; }