/* Identity: cool white, midnight ink, one mint accent that means "protected".
   No external fonts or scripts: a privacy tool that pings a font CDN on every
   visit would contradict itself. */
:root {
  --fondo: #F4F6F9; --superficie: #FFFFFF; --superficie-2: #EEF2F6;
  --linea: #E2E7EE; --linea-forte: #C9D1DC;
  --ink: #0B1220; --testo-2: #465266; --testo-3: #7A8699;
  --verde: #087A55; --menta: #22D39A; --gettone: #E6F8F0; --gettone-testo: #066B4A; --gettone-orlo: #B3EBD3;
  --notte: #0A0E17; --notte-2: #121826; --notte-linea: #222B3B; --notte-testo: #E6ECF5; --notte-2-testo: #A6B0C2;
  --sans: ui-sans-serif, system-ui, -apple-system, "SF Pro Text", "Segoe UI Variable Text", "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  --display: ui-sans-serif, system-ui, -apple-system, "SF Pro Display", "Segoe UI Variable Display", "Segoe UI", sans-serif;
  --mono: ui-monospace, "SF Mono", "Cascadia Mono", "JetBrains Mono", Menlo, Consolas, monospace;
  --larg: 1160px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --fondo: #090D16; --superficie: #10151F; --superficie-2: #151B27;
    --linea: #212938; --linea-forte: #313B4E;
    --ink: #EDF1F7; --testo-2: #A6B0C2; --testo-3: #7B869A;
    --verde: #4BE3AE; --menta: #3DDC97; --gettone: #0E2A20; --gettone-testo: #5BEBB7; --gettone-orlo: #1D5A44;
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--fondo); color: var(--ink);
  font: 17px/1.6 var(--sans); -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--verde); text-underline-offset: 3px; text-decoration-thickness: 1px; }
:focus-visible { outline: 2px solid var(--menta); outline-offset: 3px; border-radius: 6px; }
.salta { position: absolute; left: -999px; top: 8px; background: var(--ink); color: var(--fondo); padding: 8px 14px; border-radius: 8px; z-index: 9; }
.salta:focus { left: 8px; }
.contenitore { max-width: var(--larg); margin: 0 auto; padding: 0 24px; }

/* nav */
.nav { position: sticky; top: 0; z-index: 10; backdrop-filter: saturate(1.4) blur(14px); -webkit-backdrop-filter: saturate(1.4) blur(14px);
  background: color-mix(in srgb, var(--fondo) 82%, transparent); border-bottom: 1px solid var(--linea); }
.nav .contenitore { display: flex; align-items: center; gap: 22px; height: 64px; }
.marchio { display: flex; align-items: center; gap: 10px; font: 700 16px var(--display); letter-spacing: -.02em; color: var(--ink); text-decoration: none; margin-right: auto; }
.marchio img { width: 30px; height: 30px; border-radius: 8px; }
.nav a.voce { color: var(--testo-2); text-decoration: none; font-size: 14.5px; font-weight: 500; }
.nav a.voce:hover { color: var(--ink); }
.bottone { display: inline-flex; align-items: center; gap: 9px; border-radius: 10px; padding: 11px 18px; font-weight: 600; font-size: 15px; text-decoration: none; transition: transform .1s, background .15s, border-color .15s; }
.bottone:active { transform: translateY(1px); }
.bottone.pieno { background: var(--ink); color: var(--fondo); border: 1px solid var(--ink); }
.bottone.pieno:hover { opacity: .9; }
.bottone.vuoto { background: var(--superficie); color: var(--ink); border: 1px solid var(--linea-forte); }
.bottone.vuoto:hover { border-color: var(--ink); }
.nav .bottone { padding: 8px 14px; font-size: 14px; }
.gh { width: 16px; height: 16px; fill: currentColor; }

/* hero */
.hero { position: relative; padding: 84px 0 40px; text-align: center; overflow: hidden; }
.hero::before { content: ""; position: absolute; inset: 0; z-index: -1;
  background: radial-gradient(60% 50% at 50% 0%, color-mix(in srgb, var(--menta) 18%, transparent), transparent 70%),
              radial-gradient(color-mix(in srgb, var(--ink) 7%, transparent) 1px, transparent 1.2px) 0 0 / 22px 22px;
  mask-image: linear-gradient(to bottom, #000 55%, transparent); -webkit-mask-image: linear-gradient(to bottom, #000 55%, transparent); }
.pillola { display: inline-flex; align-items: center; gap: 8px; padding: 6px 12px 6px 8px; border-radius: 999px; background: var(--superficie); border: 1px solid var(--linea); font-size: 13.5px; color: var(--testo-2); box-shadow: 0 1px 2px rgba(11,18,32,.05); }
.pillola b { font: 600 11px var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--gettone-testo); background: var(--gettone); border: 1px solid var(--gettone-orlo); padding: 2px 7px; border-radius: 999px; }
h1 { font: 800 clamp(40px, 6.4vw, 76px)/1.02 var(--display); letter-spacing: -.045em; margin: 22px auto 20px; max-width: 15ch; text-wrap: balance; }
h1 .accento { color: var(--verde); }
.sotto { font-size: clamp(17px, 2vw, 20px); color: var(--testo-2); max-width: 60ch; margin: 0 auto 30px; text-wrap: pretty; }
.azioni { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.garanzie { display: flex; gap: 22px; justify-content: center; flex-wrap: wrap; margin: 28px 0 0; padding: 0; list-style: none; font-size: 14px; color: var(--testo-3); }
.garanzie li::before { content: "✓"; color: var(--verde); font-weight: 700; margin-right: 7px; }

/* the transformation strip */
.striscia { margin: 54px auto 0; max-width: 880px; display: grid; grid-template-columns: 1fr auto 1fr; gap: 18px; align-items: center; text-align: left; }
.riga-dato { background: var(--superficie); border: 1px solid var(--linea); border-radius: 14px; padding: 16px 18px; font-size: 15px; line-height: 1.9; box-shadow: 0 1px 2px rgba(11,18,32,.04), 0 12px 30px -18px rgba(11,18,32,.25); }
.riga-dato small { display: block; font: 600 11px var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--testo-3); margin-bottom: 4px; }
.chiaro-dato { background: #FDECEA; color: #A22B23; border-radius: 5px; padding: 1px 5px; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .chiaro-dato { background: #2C1513; color: #FF8A7E; } }
.codice { display: inline-flex; align-items: center; gap: 5px; font: 600 .86em var(--mono); color: var(--gettone-testo); background: var(--gettone); border: 1px solid var(--gettone-orlo); border-radius: 6px; padding: 0 7px; white-space: nowrap; }
.codice::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--menta); }
.freccia { width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center; background: var(--ink); color: var(--fondo); font-size: 18px; }

/* screenshot frame */
.vetrina { margin: 64px auto 0; max-width: 1080px; }
.cornice { border-radius: 16px; padding: 10px; background: linear-gradient(180deg, var(--superficie), var(--superficie-2)); border: 1px solid var(--linea); box-shadow: 0 30px 80px -30px rgba(11,18,32,.45); }
.cornice .barra { display: flex; gap: 6px; padding: 4px 6px 10px; }
.cornice .barra i { width: 11px; height: 11px; border-radius: 50%; background: var(--linea-forte); }
.cornice img { border-radius: 9px; border: 1px solid var(--linea); }

/* sections */
section { padding: 96px 0 0; }
.occhiello { font: 600 12px var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--verde); margin: 0 0 12px; }
h2 { font: 800 clamp(30px, 4vw, 46px)/1.08 var(--display); letter-spacing: -.035em; margin: 0 0 16px; max-width: 22ch; text-wrap: balance; }
.intro { font-size: 18px; color: var(--testo-2); max-width: 64ch; margin: 0 0 40px; }
h3 { font: 700 18px/1.3 var(--display); letter-spacing: -.015em; margin: 0 0 8px; }

.passi { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; counter-reset: passo; }
.passo { background: var(--superficie); border: 1px solid var(--linea); border-radius: 16px; padding: 24px; position: relative; }
.passo::before { counter-increment: passo; content: "0" counter(passo); font: 700 13px var(--mono); color: var(--verde); display: inline-block; margin-bottom: 14px; padding: 4px 9px; border-radius: 8px; background: var(--gettone); border: 1px solid var(--gettone-orlo); }
.passo p { margin: 0; color: var(--testo-2); font-size: 15.5px; }
.passo .esempio { margin-top: 16px; padding: 12px 14px; border-radius: 10px; background: var(--superficie-2); font-size: 14px; line-height: 1.9; }

.griglia { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.carta { background: var(--superficie); border: 1px solid var(--linea); border-radius: 16px; padding: 24px; transition: border-color .2s, transform .2s; }
.carta:hover { border-color: var(--gettone-orlo); transform: translateY(-2px); }
.carta p { margin: 0; color: var(--testo-2); font-size: 15.5px; }
.icona { width: 40px; height: 40px; border-radius: 11px; display: grid; place-items: center; margin-bottom: 16px; background: var(--gettone); border: 1px solid var(--gettone-orlo); color: var(--verde); }
.icona svg { width: 20px; height: 20px; stroke: currentColor; fill: none; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

.galleria { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; align-items: start; }
.galleria figure { margin: 0; }
.galleria img { border-radius: 12px; border: 1px solid var(--linea); box-shadow: 0 18px 50px -28px rgba(11,18,32,.45); }
.galleria figcaption { font-size: 14px; color: var(--testo-3); margin-top: 10px; }

/* dark band: CLI */
.notte { margin-top: 96px; background: var(--notte); color: var(--notte-testo); padding: 88px 0; }
.notte h2 { color: #fff; }
.notte .intro { color: var(--notte-2-testo); }
.notte .occhiello { color: #3DDC97; }
.notte .terminale { border-radius: 14px; overflow: hidden; border: 1px solid var(--notte-linea); box-shadow: 0 30px 80px -30px rgba(0,0,0,.8); }
.notte code { font: 14px var(--mono); color: #3DDC97; }
.comandi-cli { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 22px; }
.comandi-cli div { background: var(--notte-2); border: 1px solid var(--notte-linea); border-radius: 12px; padding: 14px 16px; font-size: 14px; color: var(--notte-2-testo); }
.comandi-cli code { display: block; margin-bottom: 4px; }

/* honest box */
.onesta { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.onesta .carta { border-left: 3px solid var(--menta); }
.onesta .carta.no { border-left-color: #E8A23A; }

/* licence */
.licenze { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.piano { background: var(--superficie); border: 1px solid var(--linea); border-radius: 18px; padding: 30px; }
.piano.evidenza { border: 2px solid var(--ink); }
.piano .prezzo { font: 800 34px var(--display); letter-spacing: -.03em; margin: 6px 0 4px; }
.piano ul { padding: 0; margin: 18px 0 24px; list-style: none; }
.piano li { padding: 6px 0; color: var(--testo-2); font-size: 15.5px; }
.piano li::before { content: "✓"; color: var(--verde); font-weight: 700; margin-right: 10px; }

/* italian section */
.italiano { background: var(--superficie); border: 1px solid var(--linea); border-radius: 20px; padding: 40px; }
.italiano p { color: var(--testo-2); max-width: 70ch; }

/* faq */
.faq details { background: var(--superficie); border: 1px solid var(--linea); border-radius: 14px; padding: 18px 22px; margin-bottom: 10px; }
.faq summary { cursor: pointer; font-weight: 600; font-size: 16.5px; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--verde); font: 600 20px var(--mono); line-height: 1; }
.faq details[open] summary::after { content: "−"; }
.faq details p { margin: 12px 0 0; color: var(--testo-2); font-size: 15.5px; }

.grazie { display: flex; gap: 20px; align-items: center; background: var(--gettone); border: 1px solid var(--gettone-orlo); border-radius: 16px; padding: 22px 26px; color: var(--gettone-testo); }
.grazie p { margin: 0; font-size: 15.5px; color: inherit; }
.grazie a { color: inherit; font-weight: 700; }

footer { margin-top: 96px; border-top: 1px solid var(--linea); padding: 36px 0 54px; color: var(--testo-3); font-size: 14px; }
footer .contenitore { display: flex; flex-wrap: wrap; gap: 18px; align-items: center; justify-content: space-between; }
footer a { color: var(--testo-2); }

@media (max-width: 900px) {
  .passi, .griglia, .comandi-cli { grid-template-columns: 1fr; }
  .galleria, .onesta, .licenze { grid-template-columns: 1fr; }
  .striscia { grid-template-columns: 1fr; }
  .freccia { transform: rotate(90deg); margin: 0 auto; }
  .nav a.voce { display: none; }
  .italiano { padding: 26px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .carta, .bottone { transition: none; } }

/* --- la pagina di installazione --------------------------------------------- */
.scegli { display: flex; gap: 12px; flex-wrap: wrap; margin: 26px 0 0; }
.scegli a { flex: 1 1 220px; display: flex; align-items: center; gap: 14px; padding: 18px 20px; border-radius: 14px;
  background: var(--superficie); border: 1px solid var(--linea); color: var(--ink); text-decoration: none; font-weight: 600; font-size: 17px; }
.scegli a:hover { border-color: var(--menta); }
.scegli small { display: block; font-weight: 400; font-size: 14px; color: var(--testo-3); }
.sistema { padding-top: 64px; }
.sistema > h2 { display: flex; align-items: center; gap: 12px; }
.passaggi { list-style: none; padding: 0; margin: 28px 0 0; counter-reset: passaggio; display: flex; flex-direction: column; gap: 14px; }
.passaggi > li { position: relative; background: var(--superficie); border: 1px solid var(--linea); border-radius: 16px; padding: 22px 24px 22px 76px; }
.passaggi > li::before { counter-increment: passaggio; content: counter(passaggio); position: absolute; left: 22px; top: 22px;
  width: 36px; height: 36px; border-radius: 10px; display: grid; place-items: center; font: 800 17px var(--display);
  background: var(--ink); color: var(--fondo); }
.passaggi h3 { margin-top: 5px; }
.passaggi p { margin: 8px 0 0; color: var(--testo-2); font-size: 16px; }
.passaggi .bottone { margin-top: 14px; }
.nota { margin-top: 12px; padding: 12px 14px; border-radius: 10px; background: var(--superficie-2); font-size: 15px; color: var(--testo-2); }
.nota b { color: var(--ink); }
kbd { font: 600 13px var(--mono); padding: 2px 7px; border-radius: 6px; border: 1px solid var(--linea-forte); background: var(--superficie-2); }
.requisiti { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 26px; }
.requisiti div { background: var(--superficie); border: 1px solid var(--linea); border-radius: 12px; padding: 14px 16px; font-size: 14.5px; color: var(--testo-2); }
.requisiti b { display: block; color: var(--ink); font-size: 16px; }
@media (max-width: 900px) { .requisiti { grid-template-columns: 1fr 1fr; } .passaggi > li { padding-left: 24px; padding-top: 70px; } }
.titolo-pagina { margin: 12px 0 18px; max-width: 20ch; font-size: clamp(36px, 5vw, 60px); text-align: left; }