/* LiveBook – sito vetrina. Nessuna risorsa esterna: font, immagini e video
   sono su questo dominio (niente cookie, niente indirizzi IP a terzi). */
@font-face { font-family: "Inter"; font-weight: 400; font-display: swap; src: url("fonts/Inter-Regular.woff2") format("woff2"); }
@font-face { font-family: "Inter"; font-weight: 600; font-display: swap; src: url("fonts/Inter-SemiBold.woff2") format("woff2"); }
@font-face { font-family: "Inter"; font-weight: 700; font-display: swap; src: url("fonts/Inter-Bold.woff2") format("woff2"); }
@font-face { font-family: "Inter"; font-weight: 800; font-display: swap; src: url("fonts/Inter-ExtraBold.woff2") format("woff2"); }

:root {
  --primary: #2353DB;      /* blu LiveBook (contrasto 6,3:1 su bianco) */
  --violet: #7C3AED;
  --ink: #111827;
  --muted: #4B5563;        /* 7,6:1 su bianco */
  --line: #E5E7EB;
  --soft: #EEF1FB;
  --card: #FFFFFF;
  --bg: #FFFFFF;
  --focus: #F59E0B;
  --radius: 22px;
  --wrap: 1120px;
  color-scheme: light;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { animation: none !important; transition: none !important; } }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 400 17px/1.6 "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}
img, video { max-width: 100%; display: block; }
a { color: var(--primary); text-underline-offset: 3px; }
a:hover { color: #1B44B8; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; border-radius: 8px; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--ink); color: #fff; padding: 10px 14px; border-radius: 10px; z-index: 10; }
.skip:focus { left: 12px; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ---------- intestazione ---------- */
.top { position: sticky; top: 0; z-index: 5; background: rgba(255,255,255,.92); backdrop-filter: saturate(1.4) blur(12px); border-bottom: 1px solid var(--line); }
.top .wrap { display: flex; align-items: center; gap: 16px; min-height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); font-weight: 800; font-size: 21px; letter-spacing: -.3px; }
.brand img { width: 36px; height: 36px; border-radius: 10px; }
.top nav { margin-left: auto; display: flex; align-items: center; gap: 4px; flex-wrap: wrap; }
.top nav a { text-decoration: none; color: var(--ink); font-weight: 600; font-size: 15px; padding: 10px 12px; border-radius: 999px; }
.top nav a:hover { background: var(--soft); }
.top nav a.cta { background: var(--primary); color: #fff; padding: 10px 18px; }
.top nav a.cta:hover { background: #1B44B8; }
@media (max-width: 720px) { .top nav a:not(.cta) { display: none; } }

/* ---------- pulsanti ---------- */
.btn { display: inline-flex; align-items: center; gap: 12px; min-height: 56px; padding: 10px 20px; border-radius: 16px; text-decoration: none; font-weight: 700; border: 2px solid transparent; }
.btn small { display: block; font-weight: 600; font-size: 12px; opacity: .85; letter-spacing: .2px; }
.btn span { line-height: 1.15; text-align: left; }
.btn-dark { background: var(--ink); color: #fff; }
.btn-dark:hover { background: #000; color: #fff; }
.btn-dark[aria-disabled="true"] { background: #374151; cursor: default; }
.btn-ghost { background: #fff; color: var(--ink); border-color: var(--line); }
.btn svg { width: 26px; height: 26px; flex: none; fill: currentColor; }
.stores { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0 10px; }
.note { color: var(--muted); font-size: 15px; margin: 0; }

/* ---------- hero ---------- */
.hero { position: relative; overflow: hidden; background:
  radial-gradient(60% 70% at 85% 20%, rgba(124,58,237,.16), transparent 70%),
  radial-gradient(55% 60% at 10% 90%, rgba(35,83,219,.14), transparent 70%), var(--soft); }
.hero .wrap { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; padding-top: 64px; padding-bottom: 72px; }
.eyebrow { display: inline-block; font-weight: 700; font-size: 13px; letter-spacing: 1.6px; text-transform: uppercase; color: var(--primary); background: #fff; border: 1px solid #D6DEF8; padding: 6px 12px; border-radius: 999px; }
h1 { font-size: clamp(36px, 5.4vw, 60px); line-height: 1.04; letter-spacing: -1.6px; font-weight: 800; margin: 18px 0 16px; text-wrap: balance; }
h1 .grad { background: linear-gradient(90deg, var(--primary), var(--violet)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { font-size: 19px; color: var(--muted); max-width: 34em; margin: 0; }
.phone { justify-self: center; width: min(330px, 80vw); aspect-ratio: 9 / 19.5; border-radius: 46px; padding: 12px; background: #0B1020;
  box-shadow: 0 40px 80px -30px rgba(17,24,39,.55), 0 0 0 1px rgba(255,255,255,.08) inset; }
.phone video, .phone img { width: 100%; height: 100%; object-fit: cover; border-radius: 36px; background: #EEF1FB; }
@media (max-width: 860px) { .hero .wrap { grid-template-columns: 1fr; padding-top: 40px; } .phone { width: min(280px, 72vw); } }

/* ---------- sezioni ---------- */
section.block { padding: 80px 0; }
section.block.alt { background: #F8F9FD; }
h2 { font-size: clamp(28px, 3.6vw, 40px); line-height: 1.12; letter-spacing: -.8px; margin: 0 0 12px; font-weight: 800; text-wrap: balance; }
.sub { color: var(--muted); font-size: 18px; margin: 0 0 36px; max-width: 42em; }
.grid2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 860px) { .grid2, .grid3 { grid-template-columns: 1fr; } }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; }
.card h3 { font-size: 22px; margin: 0 0 10px; letter-spacing: -.3px; }
.card ul { margin: 0; padding-left: 1.1em; }
.card li { margin: 8px 0; }
.tag { display: inline-flex; align-items: center; gap: 8px; font-weight: 700; color: var(--primary); margin-bottom: 8px; }
.step { display: flex; gap: 16px; }
.step .n { flex: none; width: 44px; height: 44px; border-radius: 14px; display: grid; place-items: center; color: #fff; font-weight: 800; background: linear-gradient(135deg, var(--primary), var(--violet)); }
.step h3 { margin: 4px 0 6px; font-size: 19px; }
.step p { margin: 0; color: var(--muted); }
.ticks { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; }
.ticks li { display: flex; gap: 12px; align-items: flex-start; }
.ticks svg { flex: none; width: 24px; height: 24px; fill: #047857; margin-top: 2px; }
.band { background: linear-gradient(120deg, var(--primary), var(--violet)); color: #fff; border-radius: 30px; padding: 48px; display: grid; grid-template-columns: 1fr auto; gap: 24px; align-items: center; }
.band h2 { color: #fff; margin: 0 0 8px; }
.band p { margin: 0; color: #E0E7FF; }
.band .btn-dark { background: #fff; color: var(--ink); }
@media (max-width: 860px) { .band { grid-template-columns: 1fr; padding: 32px; } }

/* ---------- pagine legali ---------- */
.doc { padding: 56px 0 80px; }
.doc .wrap { max-width: 820px; }
.doc h1 { font-size: clamp(32px, 4.5vw, 46px); margin-top: 0; }
.doc .meta { color: var(--muted); font-size: 15px; margin: 0 0 28px; }
.doc h2 { font-size: 24px; margin: 40px 0 10px; letter-spacing: -.3px; scroll-margin-top: 90px; }
.doc h3 { font-size: 19px; margin: 26px 0 6px; }
.doc p, .doc li { max-width: 70ch; }
.doc li { margin: 6px 0; }
.doc table { width: 100%; border-collapse: collapse; margin: 14px 0; font-size: 15.5px; }
.doc th, .doc td { text-align: left; vertical-align: top; border-bottom: 1px solid var(--line); padding: 10px 10px 10px 0; }
.doc th { font-weight: 700; }
.doc .box { background: var(--soft); border-radius: 16px; padding: 18px 20px; margin: 18px 0; }
.toc { background: #F8F9FD; border: 1px solid var(--line); border-radius: 16px; padding: 16px 20px; margin: 0 0 12px; }
.toc ol { margin: 6px 0 0; padding-left: 1.3em; columns: 2; column-gap: 32px; }
@media (max-width: 640px) { .toc ol { columns: 1; } .doc table, .doc thead, .doc tbody, .doc tr, .doc th, .doc td { display: block; } .doc thead { display: none; } .doc td { border: 0; padding: 4px 0; } .doc tr { border-bottom: 1px solid var(--line); padding: 10px 0; } .doc td::before { content: attr(data-label); display: block; font-weight: 700; } }
details { border: 1px solid var(--line); border-radius: 16px; padding: 4px 18px; margin: 10px 0; background: #fff; }
summary { cursor: pointer; font-weight: 700; padding: 12px 0; }
details p { margin-top: 0; }

/* ---------- piè di pagina ---------- */
footer.site { border-top: 1px solid var(--line); padding: 40px 0 48px; color: var(--muted); font-size: 15px; }
footer.site .wrap { display: grid; grid-template-columns: 1fr auto; gap: 24px; }
footer.site nav { display: flex; flex-wrap: wrap; gap: 6px 18px; }
footer.site nav a { color: var(--ink); text-decoration: none; font-weight: 600; }
footer.site nav a:hover { text-decoration: underline; }
@media (max-width: 720px) { footer.site .wrap { grid-template-columns: 1fr; } }

/* classi di servizio (niente stili inline: Content-Security-Policy) */
.f1 { margin: 0 0 6px; } .f1 strong { color: var(--ink); }
.f2, .flush { margin: 0; }
.sub.flush { margin-bottom: 0; }
.grid2.center { align-items: center; }
section.block.notop { padding-top: 0; }
.toc ol { list-style: none; padding-left: 0; }