/* ══════════════════════════════════════════════════════
   NeonCAD — sito promo
   Palette ripresa al token da src/index.css (tema scuro):
   fondo #070a12, pannelli #0b1018/#0f1524, testo #e6edf7,
   accento ciano #22d3ee, secondario indaco #818cf8.
   ══════════════════════════════════════════════════════ */

:root {
  --bg: #070a12;
  --bg-deep: #04060c;
  --panel: #0b1018;
  --panel-2: #0f1524;
  --raised: #141c2e;
  --line: rgba(148, 163, 184, 0.14);
  --line-2: rgba(148, 163, 184, 0.26);
  --tx: #e6edf7;
  --tx2: #9aa8bd;
  --tx3: #64748b;
  --ac: #22d3ee;
  --ac-dim: rgba(34, 211, 238, 0.14);
  --ac-line: rgba(34, 211, 238, 0.55);
  --ac2: #818cf8;
  --ok: #34d399;
  --ease: cubic-bezier(0.2, 0.7, 0.3, 1);
  --r: 14px;
}

*, *::before, *::after { box-sizing: border-box; }

/* L'inglese è il default e il markup è in italiano: senza questo il
   visitatore vedrebbe l'italiano per un frame, prima che `app.js`
   traduca. Lo scriptino nel `<head>` mette questa classe, `app.js`
   la toglie quando la traduzione è a posto. */
html.pre-en body { visibility: hidden; }

html { scroll-behavior: smooth; scroll-padding-top: 84px; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--tx);
  font: 16px/1.65 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3 { margin: 0; line-height: 1.12; letter-spacing: -0.02em; font-weight: 700; }
p { margin: 0; }
a { color: inherit; text-decoration: none; }
img, svg { display: block; }
b { font-weight: 650; color: var(--tx); }

.wrap { width: min(1140px, 100% - 44px); margin-inline: auto; }
.wrap-n { width: min(780px, 100% - 44px); }

/* ── accessibilità ── */
.salta {
  position: absolute; left: -9999px; top: 0; z-index: 99;
  background: var(--ac); color: #04121a; padding: 10px 16px; border-radius: 0 0 10px 0; font-weight: 650;
}
.salta:focus { left: 0; }
:focus-visible { outline: 2px solid var(--ac); outline-offset: 3px; border-radius: 6px; }

/* ── bottoni ── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 11px 20px; border-radius: 11px; border: 1px solid transparent;
  font-weight: 650; font-size: 15px; cursor: pointer;
  transition: transform .18s var(--ease), box-shadow .18s var(--ease), background .18s, border-color .18s;
}
.btn-p {
  background: linear-gradient(180deg, #3ee0f5, var(--ac));
  color: #04121a; box-shadow: 0 0 22px -8px rgba(34, 211, 238, .8);
}
.btn-p:hover { transform: translateY(-2px); box-shadow: 0 0 30px -6px rgba(34, 211, 238, .95); }
.btn-g { background: var(--panel-2); color: var(--tx); border-color: var(--line-2); }
.btn-g:hover { background: var(--raised); border-color: var(--ac-line); transform: translateY(-2px); }
.btn.lg { padding: 14px 26px; font-size: 16.5px; }
.btn.full { width: 100%; }

/* ── pillola / badge ── */
.pill {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 6px 14px 6px 10px; border-radius: 999px;
  background: var(--ac-dim); border: 1px solid var(--ac-line);
  color: #a5eefb; font-size: 13.5px; font-weight: 600; letter-spacing: .01em;
}
.pill .dot {
  width: 7px; height: 7px; border-radius: 50%; background: var(--ac);
  box-shadow: 0 0 0 3px rgba(34, 211, 238, .2); animation: pulse 2.2s infinite;
}
@keyframes pulse { 50% { box-shadow: 0 0 0 7px rgba(34, 211, 238, 0); } }

/* ── NAV ── */
.nav {
  position: fixed; inset: 0 0 auto; z-index: 50;
  background: rgba(7, 10, 18, .72);
  backdrop-filter: blur(14px) saturate(150%);
  border-bottom: 1px solid transparent;
  transition: border-color .25s, background .25s;
}
.nav.solido { border-bottom-color: var(--line); background: rgba(7, 10, 18, .92); }
.nav-in { display: flex; align-items: center; gap: 20px; height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; }
.brand img { border-radius: 9px; }
.brand-n { font-size: 19px; font-weight: 700; letter-spacing: -.02em; }
.brand-n em { font-style: normal; color: var(--ac); }
.nav-l { display: flex; gap: 26px; margin-left: auto; }
.nav-l a, .foot-l a { color: var(--tx2); font-size: 15px; font-weight: 550; transition: color .18s; }
.nav-l a:hover, .foot-l a:hover { color: var(--ac); }
.nav-in > .btn { margin-left: 4px; }

.burg { display: none; margin-left: auto; width: 42px; height: 38px; border: 1px solid var(--line-2);
  background: var(--panel-2); border-radius: 10px; cursor: pointer; padding: 0 10px; }
.burg span { display: block; height: 2px; background: var(--tx); border-radius: 2px; margin: 3px 0; transition: .2s; }
.sheet { display: none; flex-direction: column; gap: 2px; padding: 10px 22px 16px;
  background: rgba(7, 10, 18, .97); border-bottom: 1px solid var(--line); }
.sheet a { padding: 11px 0; color: var(--tx2); border-bottom: 1px solid var(--line); }
.sheet a:last-child { border: 0; color: var(--ac); }
/* ── switch lingua (ITA / ENG) ──
   Stessa idea dello switch del progetto (`src/index.css`): la pallina è
   un rettangolo largo metà che scorre sopra le due sigle. Si muove solo
   `transform`, quindi non fa layout e resta leggero. */
.lang-sw {
  position: relative; display: inline-flex; align-items: center;
  height: 38px; padding: 3px;
  background: var(--bg-deep); border: 1px solid var(--line); border-radius: 10px;
  user-select: none; flex: none;
}
.lang-sw::before {
  content: ''; position: absolute; top: 3px; left: 3px;
  width: calc(50% - 3px); height: calc(100% - 6px);
  background: var(--ac-dim); border: 1px solid var(--ac-line); border-radius: 7px;
  transition: transform .18s var(--ease), background-color .18s var(--ease);
}
.lang-sw.is-en::before { transform: translateX(100%); }
.lang-sw button {
  position: relative; z-index: 1;
  width: 42px; height: 100%; padding: 0;
  background: none; border: 0; cursor: pointer;
  font: inherit; font-size: 12px; font-weight: 650; letter-spacing: .04em;
  color: var(--tx2); transition: color .18s var(--ease);
}
.lang-sw button[aria-checked='true'] { color: var(--tx); }
.lang-sw button:focus-visible { outline: 2px solid var(--ac-line); outline-offset: -1px; border-radius: 6px; }

/* nel menu mobile lo switch sta in fondo alla lista, non nella barra */
.sheet-sw { margin-top: 12px; align-self: flex-start; }

/* ── glow di fondo ── */
.glow {
  position: absolute; inset: -180px 0 auto; left: 50%; translate: -50% 0;
  width: 900px; height: 620px; pointer-events: none; z-index: -1;
  background: radial-gradient(ellipse at center, rgba(34, 211, 238, .16), rgba(129, 140, 248, .07) 45%, transparent 70%);
  filter: blur(24px);
}

/* ── HERO ── */
.hero { position: relative; padding: 148px 0 96px; overflow: hidden; }
.hero-in { display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center; }
.hero h1 { font-size: clamp(38px, 5.6vw, 66px); margin: 22px 0 0; }
.g {
  background: linear-gradient(96deg, var(--ac), var(--ac2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.lead { margin-top: 20px; font-size: clamp(16.5px, 1.9vw, 19.5px); color: var(--tx2); max-width: 34em; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.ticks { list-style: none; display: flex; flex-wrap: wrap; gap: 10px 22px; margin: 28px 0 0; padding: 0; }
.ticks li { position: relative; padding-left: 24px; color: var(--tx2); font-size: 14.5px; }
.ticks li::before {
  content: ""; position: absolute; left: 0; top: .48em; width: 14px; height: 8px;
  border-left: 2px solid var(--ok); border-bottom: 2px solid var(--ok); rotate: -45deg;
}
.ticks.big { flex-direction: column; gap: 12px; margin-top: 26px; }
.ticks.big li { font-size: 16px; color: var(--tx); }

/* cubo animato */
.hero-v { position: relative; aspect-ratio: 1 / .94; display: grid; place-items: center; }
.cube {
  width: min(100%, 430px); filter: drop-shadow(0 0 34px rgba(34, 211, 238, .3));
  animation: float 7s ease-in-out infinite;
}
@keyframes float { 50% { translate: 0 -14px; } }
.cube path { stroke-dasharray: 340; stroke-dashoffset: 340; animation: draw 2.4s var(--ease) forwards; }
.cube .p2 { animation-delay: .12s; } .cube .p3 { animation-delay: .24s; } .cube .p4 { animation-delay: .36s; }
@keyframes draw { to { stroke-dashoffset: 0; } }
.cube .h { animation: blink 2.4s ease-in-out infinite; }
.cube .h2 { animation-delay: .5s; } .cube .h3 { animation-delay: 1s; }
@keyframes blink { 0%, 100% { opacity: .35; } 50% { opacity: 1; } }
.grid-f {
  position: absolute; inset: auto 6% -2% 6%; height: 40%; z-index: -1;
  background:
    linear-gradient(var(--ac-line) 1px, transparent 1px) 0 0 / 46px 46px,
    linear-gradient(90deg, var(--ac-line) 1px, transparent 1px) 0 0 / 46px 46px;
  mask-image: linear-gradient(transparent, #000); opacity: .5; rotate: -8deg;
}

/* ── MANIFESTO ── */
.band { padding: 8px 0 74px; }
.man { font-size: clamp(20px, 2.9vw, 29px); line-height: 1.42; color: var(--tx2); letter-spacing: -.015em; }

/* ── sezioni ── */
.sec { position: relative; padding: 84px 0; }
.sec-a { background: linear-gradient(180deg, transparent, rgba(15, 21, 36, .55) 12%, rgba(15, 21, 36, .55) 88%, transparent); }
.h2 { font-size: clamp(28px, 4vw, 44px); }
.sub { margin-top: 14px; color: var(--tx2); font-size: clamp(16px, 1.8vw, 18.5px); max-width: 42em; }

/* ── COS'È: tre carte ── */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 44px; }
.card {
  padding: 28px 26px; border-radius: var(--r);
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  border: 1px solid var(--line);
  transition: transform .25s var(--ease), border-color .25s, box-shadow .25s;
}
.card:hover { transform: translateY(-5px); border-color: var(--ac-line); box-shadow: 0 18px 40px -28px rgba(34, 211, 238, .7); }
.ic { width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center; margin-bottom: 18px; }
.ic svg { width: 24px; height: 24px; fill: none; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.ic-a { background: rgba(34, 211, 238, .13); border: 1px solid var(--ac-line); } .ic-a svg { stroke: var(--ac); }
.ic-b { background: rgba(129, 140, 248, .14); border: 1px solid rgba(129, 140, 248, .5); } .ic-b svg { stroke: var(--ac2); }
.ic-c { background: rgba(52, 211, 153, .13); border: 1px solid rgba(52, 211, 153, .5); } .ic-c svg { stroke: var(--ok); }
.card h3 { font-size: 21px; }
.card p { margin-top: 9px; color: var(--tx2); font-size: 15.5px; }
/* ── COME FUNZIONA: passi ── */
.steps { list-style: none; margin: 46px 0 0; padding: 0; display: grid; gap: 14px; }
.steps li {
  display: flex; gap: 22px; align-items: flex-start; padding: 22px 24px;
  border: 1px solid var(--line); border-radius: var(--r); background: var(--panel);
  transition: border-color .22s, transform .22s var(--ease), background .22s;
}
.steps li:hover { border-color: var(--ac-line); background: var(--panel-2); transform: translateX(5px); }
.steps .n {
  flex: none; font-size: 13px; font-weight: 700; letter-spacing: .08em; color: var(--ac);
  padding: 7px 11px; border-radius: 9px; background: var(--ac-dim); border: 1px solid var(--ac-line);
  font-family: ui-monospace, "Cascadia Code", Consolas, monospace;
}
.steps h3 { font-size: 19px; }
.steps p { margin-top: 6px; color: var(--tx2); font-size: 15.5px; }

/* ── FUNZIONI ── */
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(258px, 1fr)); gap: 14px; margin-top: 44px; }
.f {
  padding: 22px 22px 24px; border-radius: var(--r); background: var(--panel);
  border: 1px solid var(--line); position: relative; overflow: hidden;
  transition: border-color .22s, transform .22s var(--ease);
}
.f::after {
  content: ""; position: absolute; left: 0; top: 0; width: 3px; height: 0;
  background: linear-gradient(180deg, var(--ac), var(--ac2)); transition: height .3s var(--ease);
}
.f:hover { border-color: var(--line-2); transform: translateY(-4px); }
.f:hover::after { height: 100%; }
.f h3 { font-size: 17.5px; }
.f p { margin-top: 8px; color: var(--tx2); font-size: 15px; }

/* Le icone delle funzioni riprendono il disegno dell'app
   (`src/components/Icons/Icon.tsx`): griglia 24×24, un solo colore,
   tratto 1.7 con punte e giunzioni arrotondate. Il riquadro attorno
   all'icona è lo stesso della `.ic` delle tre carte, solo più piccolo:
   così il grid delle funzioni resta denso e ogni voce ha il suo segno
   visivo. Sostituisce il "▹ " che prima stava avanti al titolo. */
.f-ic {
  display: grid; place-items: center;
  width: 38px; height: 38px; border-radius: 10px; margin-bottom: 14px;
  background: var(--ac-dim); border: 1px solid var(--ac-line); color: var(--ac);
}
.f-ic svg {
  width: 21px; height: 21px;
  fill: none; stroke: currentColor;
  stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round;
}

/* ── SCHERMATE ──────────────────────────────────────────────

   Niente rotazione e niente faccia nascosta: le due card
   restano ferme e si animano sotto il puntatore. Tre cose
   insieme, tutte in CSS tranne l'inclinazione, che ha bisogno
   della posizione del mouse:

     1. la foto si avvicina (zoom 1.06) per farla leggere
     2. la card si solleva e il bordo si accende
     3. un riflesso e una sottolineatura seguono il cursore

   Il testo è sempre presente: nessuno stato da gestire, quindi
   qui non c'è `aria-pressed` e non serve codice per la tastiera. */
.sec-shot { padding-top: 34px; }

.shots { display: grid; gap: 24px; grid-template-columns: 1fr; margin-top: 40px; }
@media (min-width: 980px) {
  .shots { grid-template-columns: 1fr 1fr; gap: 30px; }
}

.shot {
  /* le tre variabili che `app.js` aggiorna seguendo il puntatore */
  --mx: 50%; --my: 50%; --rx: 0deg; --ry: 0deg;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: var(--panel-2);
  transition: transform .5s var(--ease), border-color .3s, box-shadow .3s;
}

/* l'hover esiste solo dove c'è un puntatore vero: sul telefono
   un `:hover` resta "incollato" dopo il tap e la card sembrerebbe
   bloccata inclinata anche senza mouse. */
@media (hover: hover) and (pointer: fine) {
  .shot:hover {
    transform: perspective(1100px) translateY(-6px) rotateX(var(--rx)) rotateY(var(--ry));
    border-color: var(--ac-line);
    box-shadow: 0 28px 60px -28px rgba(0, 0, 0, .9), 0 0 0 1px rgba(34, 211, 238, .12);
  }
}

.shot-media {
  position: relative;
  aspect-ratio: 2503 / 1162;         /* le schermate hanno questo rapporto */
  overflow: hidden;
  background: var(--bg-deep);
}
.shot-media picture { display: block; width: 100%; height: 100%; }
.shot-media img {
  display: block; width: 100%; height: 100%;
  object-fit: cover;
  /* 1.001 e non 1: a 1 il browser può scegliere una texture di
     qualità inferiore e riallinearla al primo paint, facendo una
     micro-scatto nel momento in cui si comincia a zoommare. */
  transform: scale(1.001);
  transition: transform .75s var(--ease);
}
@media (hover: hover) and (pointer: fine) {
  .shot:hover .shot-media img { transform: scale(1.06); }
}

/* il riflesso che segue il cursore */
.shot-media::after {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(26rem 26rem at var(--mx) var(--my), rgba(34, 211, 238, .2), transparent 62%);
  opacity: 0; transition: opacity .35s;
  pointer-events: none;
}
@media (hover: hover) and (pointer: fine) {
  .shot:hover .shot-media::after { opacity: 1; }
}

.shot-cap { position: relative; padding: 19px 22px 22px; border-top: 1px solid var(--line); }
.shot-tit {
  position: relative;
  display: inline-block;
  font-size: clamp(17px, 2vw, 21px); font-weight: 700; letter-spacing: -.02em;
  background: linear-gradient(100deg, var(--ac), var(--ac2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
/* la sottolineatura che si stende sotto il titolo */
.shot-tit::after {
  content: ""; position: absolute; left: 0; bottom: -7px;
  width: 0; height: 2px; border-radius: 2px;
  background: linear-gradient(90deg, var(--ac), var(--ac2));
  transition: width .45s var(--ease);
}
@media (hover: hover) and (pointer: fine) {
  .shot:hover .shot-tit::after { width: 46px; }
}
.shot-txt {
  display: block; margin-top: 11px;
  font-size: clamp(13.6px, 1.5vw, 15px); line-height: 1.62;
  color: var(--tx2);
}

/* chi ha chiesto meno animazione non vede né l'inclinazione né lo
   zoom largo: resta solo un leggerissimo avvicinamento, così la foto
   si legge senza che nulla si muova sotto gli occhi. */
@media (prefers-reduced-motion: reduce) {
  .shot:hover { transform: none; }
  .shot:hover .shot-media img { transform: scale(1.02); }
  .shot-tit::after { transition: none; }
}
/* ── NOVITÀ: card Telegram ── */
.sec-novita { overflow: hidden; }
.novita-in { display: grid; grid-template-columns: 1.1fr .9fr; gap: 54px; align-items: start; }
.g2 { top: 50%; translate: -50% -50%; }
.note { margin-top: 24px; font-size: 14px; color: var(--tx3); border-left: 2px solid var(--line-2); padding-left: 14px; }

.tg {
  padding: 30px 28px; border-radius: 18px; background: var(--panel-2);
  border: 1px solid var(--line-2); box-shadow: 0 30px 70px -50px rgba(0, 0, 0, .95);
  position: sticky; top: 92px;
  transition: border-color .25s, box-shadow .25s;
}
.tg:hover { border-color: rgba(42, 171, 238, .5); box-shadow: 0 30px 70px -46px rgba(42, 171, 238, .55); }
.tg-ic {
  width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center; margin-bottom: 18px;
  background: rgba(42, 171, 238, .14); border: 1px solid rgba(42, 171, 238, .45); color: #2aabee;
}
.tg-ic svg { width: 27px; height: 27px; }
.tg h3 { font-size: 22px; margin-bottom: 10px; }
.tg p { color: var(--tx2); font-size: 15.5px; }

.btn-tg {
  margin-top: 22px; color: #fff;
  background: linear-gradient(180deg, #35b6f5, #1f8fd4);
  box-shadow: 0 0 24px -10px rgba(42, 171, 238, .9);
}
.btn-tg svg { width: 21px; height: 21px; flex: none; }
.btn-tg:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 34px -6px rgba(42, 171, 238, 1);
  background: linear-gradient(180deg, #3fbcf7, #2195d8);
}
.tg-note { margin-top: 14px; font-size: 13.5px; color: var(--tx3); text-align: center; }

/* ── FAQ ── */
.faq { margin-top: 34px; display: grid; gap: 10px; }
.faq details { border: 1px solid var(--line); border-radius: 12px; background: var(--panel); overflow: hidden; }
.faq summary {
  padding: 17px 20px; cursor: pointer; font-weight: 600; list-style: none;
  display: flex; justify-content: space-between; gap: 14px; transition: background .18s;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--ac); font-size: 20px; line-height: 1; transition: rotate .25s var(--ease); }
.faq details[open] summary::after { rotate: 45deg; }
.faq summary:hover { background: var(--panel-2); }
.faq p { padding: 0 20px 18px; color: var(--tx2); font-size: 15.5px; }

/* ── FOOTER ── */
.foot { border-top: 1px solid var(--line); background: var(--bg-deep); padding: 46px 0 26px; }
.foot-in { display: flex; flex-wrap: wrap; align-items: center; gap: 20px 34px; }
.foot-in p { color: var(--tx3); font-size: 14.5px; }
.foot-l { display: flex; gap: 22px; margin-left: auto; }
.copy { margin-top: 28px; padding-top: 20px; border-top: 1px solid var(--line); color: var(--tx3); font-size: 13.5px; }

/* ── reveal allo scroll ── */
.rv { opacity: 0; translate: 0 22px; transition: opacity .7s var(--ease), translate .7s var(--ease); }
.rv.in { opacity: 1; translate: 0 0; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .rv { opacity: 1; translate: none; }
  .cube path { stroke-dashoffset: 0; }
}

/* ── RESPONSIVE ── */
@media (max-width: 980px) {
  .hero-in, .novita-in { grid-template-columns: 1fr; }
  .hero { padding: 122px 0 70px; }
  .hero-v { order: -1; max-width: 380px; margin-inline: auto; }
  .cards { grid-template-columns: 1fr; }
  .tg { position: static; }
  .nav-l, .nav-in > .btn { display: none; }
  .burg { display: block; }
  .sheet[hidden] { display: none; }
  .sheet:not([hidden]) { display: flex; }
}
@media (max-width: 560px) {
  .wrap, .wrap-n { width: min(100% - 32px, 1140px); }
  .sec { padding: 62px 0; }
  .steps li { flex-direction: column; gap: 12px; }
  .foot-l { margin-left: 0; flex-wrap: wrap; }
}