:root {
  --bg: #0d0f14;
  --bg-2: #12151c;
  --panel: #171a22;
  --panel-2: #1e222c;
  --border: #2a2f3b;
  --text: #e9ebf1;
  --muted: #b4bac8;
  --accent: #7c5cff;
  --accent-2: #a48bff;
  --pink: #ff6b9a;
  --amber: #f5b942;
  --teal: #3dd6c4;
  --green: #2bd47d;
  --radius: 16px;
  --max: 1180px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 16px/1.6 Inter, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
a { color: inherit; }
img { max-width: 100%; height: auto; display: block; }
.wrap { width: min(var(--max), 100% - 32px); margin: 0 auto; }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation: none !important; transition: none !important; } html { scroll-behavior: auto; } }

/* ---------- barra superiore ---------- */
.nav {
  position: sticky; top: 0; z-index: 20; backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  background: color-mix(in srgb, var(--bg) 78%, transparent); border-bottom: 1px solid #ffffff0d;
}
.nav .wrap { display: flex; align-items: center; gap: 28px; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 19px; text-decoration: none; letter-spacing: -.2px; }
.logo { width: 22px; height: 22px; border-radius: 50%; border: 3px solid var(--accent); display: grid; place-items: center; }
.logo::after { content: ''; width: 8px; height: 8px; border-radius: 50%; background: var(--accent); }
.nav-links { display: flex; gap: 24px; margin-left: auto; }
.nav-links a { color: var(--muted); text-decoration: none; font-size: 14px; font-weight: 500; }
.nav-links a:hover { color: var(--text); }
.btn {
  display: inline-flex; align-items: center; gap: 9px; padding: 12px 20px; border-radius: 12px; font-weight: 600; font-size: 15px;
  text-decoration: none; border: 1px solid var(--border); background: var(--panel); color: var(--text); transition: transform .15s, border-color .15s, background .15s;
}
.btn:hover { transform: translateY(-1px); border-color: #3b4252; }
.btn.primary { background: linear-gradient(135deg, var(--accent), #9b6bff); border-color: transparent; box-shadow: 0 8px 30px #7c5cff55; }
.btn.primary:hover { box-shadow: 0 10px 36px #7c5cff77; }
.btn.small { padding: 8px 14px; font-size: 14px; border-radius: 10px; }
.btn svg { width: 18px; height: 18px; fill: currentColor; }
@media (max-width: 760px) { .nav-links { display: none; } .nav .btn.small { margin-left: auto; } }

/* ---------- hero ---------- */
.hero { position: relative; padding: 84px 0 40px; text-align: center; isolation: isolate; }
.hero::before {
  content: ''; position: absolute; inset: -120px 0 auto; height: 720px; z-index: -1;
  background:
    radial-gradient(600px 320px at 50% 18%, #7c5cff40, transparent 70%),
    radial-gradient(380px 260px at 20% 40%, #ff6b9a1f, transparent 70%),
    radial-gradient(420px 260px at 82% 38%, #3dd6c41c, transparent 70%);
}
.pill {
  display: inline-flex; align-items: center; gap: 8px; padding: 6px 14px; border-radius: 999px; font-size: 13px; font-weight: 500;
  color: var(--accent-2); background: #7c5cff17; border: 1px solid #7c5cff40;
}
.pill b { color: var(--text); font-weight: 600; }
h1 {
  font-size: clamp(40px, 7vw, 78px); line-height: 1.02; letter-spacing: -2.4px; font-weight: 800; margin: 22px auto 18px; max-width: 900px;
}
.grad { background: linear-gradient(100deg, #fff 10%, var(--accent-2) 45%, var(--pink) 75%, var(--amber)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { color: var(--text); opacity: .86; font-size: clamp(19px, 2.4vw, 23px); max-width: 720px; margin: 0 auto 32px; }
.cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.meta { margin-top: 22px; display: flex; gap: 18px; justify-content: center; flex-wrap: wrap; color: var(--muted); font-size: 13px; }
.meta span { display: inline-flex; align-items: center; gap: 6px; }
.meta span::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--green); }

/* onde animate decorative */
.bars { display: flex; justify-content: center; align-items: center; gap: 4px; height: 34px; margin: 0 auto 6px; }
.bars i { width: 4px; border-radius: 3px; background: linear-gradient(var(--accent-2), var(--pink)); animation: eq 1.2s ease-in-out infinite; opacity: .85; }
@keyframes eq { 0%, 100% { height: 6px; } 50% { height: 30px; } }

/* ---------- screenshot ---------- */
.shot { margin: 56px auto 0; width: min(1240px, 100% - 32px); perspective: 1800px; }
.frame {
  border-radius: 18px; overflow: hidden; border: 1px solid #ffffff1a; background: var(--panel);
  box-shadow: 0 40px 120px -20px #000c, 0 0 0 1px #00000080, 0 0 90px -10px #7c5cff55;
  transform: rotateX(8deg) scale(.98); transform-origin: 50% 0; transition: transform .8s cubic-bezier(.2,.7,.2,1);
}
.frame.flat { transform: none; }
@media (max-width: 760px) { .frame { transform: none; } .shot { margin-top: 40px; } }
.frame-bar { display: flex; align-items: center; gap: 7px; height: 38px; padding: 0 14px; background: #12141b; border-bottom: 1px solid #ffffff10; }
.frame-bar i { width: 11px; height: 11px; border-radius: 50%; background: #3a3f4c; }
.frame-bar i:nth-child(1) { background: #ff5f57; } .frame-bar i:nth-child(2) { background: #febc2e; } .frame-bar i:nth-child(3) { background: #28c840; }
.frame-bar span { margin: 0 auto; font-size: 12px; color: var(--muted); background: #0d0f14; padding: 3px 14px; border-radius: 7px; transform: translateX(-26px); }
.caption { text-align: center; color: var(--muted); font-size: 13px; margin-top: 16px; }

/* ---------- sezioni ---------- */
section { padding: 96px 0; }
.kicker { color: var(--accent-2); font-weight: 600; font-size: 13px; letter-spacing: 1.6px; text-transform: uppercase; }
h2 { font-size: clamp(30px, 4.4vw, 46px); line-height: 1.1; letter-spacing: -1.2px; margin: 10px 0 14px; font-weight: 800; }
.sub { color: var(--muted); font-size: 19px; max-width: 680px; margin: 0; }
.center { text-align: center; } .center .sub { margin: 0 auto; }

.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 48px; }
@media (max-width: 980px) { .grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .grid { grid-template-columns: 1fr; } }
.card {
  position: relative; padding: 26px; border-radius: var(--radius); background: linear-gradient(180deg, var(--panel), var(--bg-2));
  border: 1px solid var(--border); overflow: hidden; transition: border-color .2s, transform .2s;
}
.card:hover { border-color: #7c5cff66; transform: translateY(-2px); }
.card::after { content: ''; position: absolute; inset: auto -40% -60% auto; width: 220px; height: 220px; border-radius: 50%; background: var(--glow, #7c5cff); opacity: .07; filter: blur(30px); }
.ico { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; margin-bottom: 18px; background: color-mix(in srgb, var(--glow, #7c5cff) 16%, transparent); color: var(--glow, var(--accent-2)); }
.ico svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.card h3 { margin: 0 0 8px; font-size: 19px; letter-spacing: -.2px; }
.card p { margin: 0; color: var(--muted); font-size: 16.5px; line-height: 1.55; }

/* blocchi affiancati */
.split { display: grid; grid-template-columns: 1fr 1.15fr; gap: 56px; align-items: center; }
.split.rev { grid-template-columns: 1.15fr 1fr; }
.split.rev .media { order: -1; }
@media (max-width: 900px) { .split, .split.rev { grid-template-columns: 1fr; gap: 32px; } .split.rev .media { order: 0; } }
.split > *, .grid > *, .steps > * { min-width: 0; } /* il terminale scorre al suo interno, non allarga la pagina */
@media (max-width: 520px) { .frame-bar span { display: none; } }
.ticks { list-style: none; padding: 0; margin: 26px 0 0; display: grid; gap: 12px; }
.ticks li { display: flex; gap: 12px; color: var(--muted); }
.ticks li::before { content: ''; flex: none; width: 20px; height: 20px; margin-top: 2px; border-radius: 6px; background: #7c5cff26 url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23a48bff' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12l5 5L20 7'/%3E%3C/svg%3E") center/13px no-repeat; }
.ticks b { color: var(--text); font-weight: 600; }
.media .frame { transform: none; }

/* demo del click */
.click-modes { display: grid; gap: 12px; margin-top: 28px; }
.mode { display: grid; grid-template-columns: 130px 1fr; align-items: center; gap: 16px; padding: 14px 16px; border-radius: 12px; background: var(--panel); border: 1px solid var(--border); }
.mode strong { font-size: 15px; }
.mode small { display: block; color: var(--muted); font-size: 12px; font-weight: 400; }
.ticks-row { position: relative; height: 26px; }
.ticks-row i { position: absolute; top: 3px; width: 3px; height: 20px; border-radius: 2px; background: var(--accent-2); }
.ticks-row i.acc { background: var(--amber); height: 24px; top: 1px; }
.ticks-row .kick { position: absolute; top: 10px; width: 8px; height: 8px; border-radius: 50%; background: var(--teal); opacity: .5; transform: translateX(-3px); }
@media (max-width: 520px) { .mode { grid-template-columns: 1fr; } }

/* passi */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 48px; counter-reset: s; }
@media (max-width: 860px) { .steps { grid-template-columns: 1fr; } }
.step { padding: 28px; border-radius: var(--radius); border: 1px solid var(--border); background: var(--bg-2); }
.step::before { counter-increment: s; content: counter(s); display: grid; place-items: center; width: 36px; height: 36px; border-radius: 50%; font-weight: 700; background: linear-gradient(135deg, var(--accent), var(--pink)); margin-bottom: 18px; }
.step h3 { margin: 0 0 6px; font-size: 18px; }
.step p { margin: 0; color: var(--muted); font-size: 16.5px; line-height: 1.55; }

/* codice */
.term { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--border); background: #0a0c10; box-shadow: 0 30px 80px -30px #000; }
.term .frame-bar span { transform: none; }
pre { margin: 0; padding: 22px 24px; overflow-x: auto; font: 14px/1.75 "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; color: #d6d9e3; }
pre .c { color: #6b7385; } pre .p { color: var(--green); user-select: none; } pre .k { color: var(--accent-2); }
.tabs { display: inline-flex; padding: 4px; border-radius: 12px; background: var(--panel); border: 1px solid var(--border); margin: 28px 0 16px; }
.tabs button { font: inherit; font-size: 14px; font-weight: 600; color: var(--muted); background: none; border: 0; padding: 8px 16px; border-radius: 9px; cursor: pointer; }
.tabs button.on { background: var(--accent); color: #fff; }
.panel-hidden { display: none; }
.note { color: var(--muted); font-size: 14px; margin-top: 14px; }
.note code, .sub code { background: var(--panel-2); padding: 2px 7px; border-radius: 6px; font-size: 13px; color: var(--text); }

/* tecnologie */
.stack { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-top: 36px; }
.stack span { padding: 9px 16px; border-radius: 999px; border: 1px solid var(--border); background: var(--bg-2); color: var(--muted); font-size: 14px; font-weight: 500; }
.stack span b { color: var(--text); font-weight: 600; }

/* invito finale */
.final { text-align: center; padding: 72px 28px; border-radius: 28px; border: 1px solid #7c5cff40; position: relative; overflow: hidden;
  background: radial-gradient(500px 240px at 50% 0%, #7c5cff33, transparent 70%), var(--bg-2); }
.final h2 { margin-top: 0; }
.final .cta { margin-top: 28px; }

footer { padding: 48px 0 64px; color: var(--muted); font-size: 14px; border-top: 1px solid #ffffff0d; margin-top: 96px; }
footer .wrap { display: flex; gap: 24px; justify-content: space-between; flex-wrap: wrap; }
footer a { color: var(--muted); }
footer a:hover { color: var(--text); }

/* comparsa allo scorrimento */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }

/* lingua */
.lang { color: var(--muted); text-decoration: none; font-size: 13px; font-weight: 600; letter-spacing: .5px; padding: 6px 10px; border-radius: 8px; border: 1px solid var(--border); }
.lang:hover { color: var(--text); border-color: #3b4252; }
@media (max-width: 760px) { .nav .lang { margin-left: auto; } .nav .lang + .btn.small { margin-left: 0; } }

/* finte schermate: loop e registrazione */
.mock { padding: 18px; display: grid; gap: 12px; background: var(--panel); }
.mock-bar { display: flex; gap: 5px; align-items: center; flex-wrap: wrap; font-size: 12px; }
.mock-bar .b { padding: 4px 9px; border-radius: 7px; border: 1px solid var(--border); background: var(--panel-2); color: var(--text); white-space: nowrap; }
.mock-bar .b.on { background: var(--green); border-color: var(--green); color: #0b1a12; font-weight: 700; }
.mock-bar .b.sm { padding: 3px 5px; font-size: 11px; line-height: 1; }
.mock-bar .b.acc { color: var(--accent-2); }
.mock-bar .b.named { color: var(--accent-2); font-weight: 600; }
.mock-bar .b.rec { color: #ff4d5e; }
.mock-bar .b.rec.on { background: #ff4d5e; border-color: #ff4d5e; color: #fff; animation: recp 1.2s ease-in-out infinite; }
@keyframes recp { 50% { box-shadow: 0 0 0 4px #ff4d5e44; } }
.mock-bar .lbl { color: var(--muted); font-size: 10px; text-transform: uppercase; letter-spacing: .5px; margin-left: 6px; }
.mock-bar .t { color: var(--muted); font-variant-numeric: tabular-nums; margin-left: 4px; }
.lanes { position: relative; display: grid; gap: 8px; --hw: 118px; }
.lane-mock { display: grid; grid-template-columns: var(--hw) 1fr; gap: 10px; align-items: center; }
.lane-mock .name { font-size: 12px; color: var(--muted); display: flex; gap: 7px; align-items: center; min-width: 0; white-space: nowrap; overflow: hidden; }
.lane-mock .name::before { content: ''; flex: none; width: 9px; height: 9px; border-radius: 3px; background: var(--c); }
.lane-mock .name .arm { color: #ff4d5e; font-size: 10px; border: 1px solid #ff4d5e88; border-radius: 4px; padding: 0 3px; }
.wave-mock { height: 46px; display: flex; align-items: center; gap: 2px; border-radius: 8px; background: #0f1218; padding: 0 6px; overflow: hidden; }
.wave-mock i { flex: 1; background: var(--c); border-radius: 1px; min-height: 2px; opacity: .85; }
.wave-mock i.off { opacity: .07; }
.wave-mock.muted i { opacity: .25; }
.loop-mock {
  position: absolute; top: -6px; bottom: -6px; left: calc(var(--hw) + 10px + (100% - var(--hw) - 10px) * .4); width: calc((100% - var(--hw) - 10px) * .32);
  background: #2bd47d1f; border-left: 2px solid var(--green); border-right: 2px solid var(--green); pointer-events: none;
}
.loop-mock span { position: absolute; top: 4px; left: 6px; font-size: 11px; font-weight: 600; white-space: nowrap; }
.ph-mock { position: absolute; top: -6px; bottom: -6px; width: 2px; background: #fff; left: calc(var(--hw) + 10px + (100% - var(--hw) - 10px) * var(--at)); box-shadow: 0 0 10px #fff8; }
@media (max-width: 520px) { .lanes { --hw: 76px; } .mock { padding: 12px; } }