:root {
  --navy: #111a2e;
  --navy-2: #182540;
  --line: #2a3f66;
  --ink: #e8ecf3;
  --muted: #9aa7bd;
  --brass: #c9a961;
  --up: #2fc6a0;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--navy);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--brass); }
a:focus-visible, button:focus-visible { outline: 2px solid var(--brass); outline-offset: 3px; border-radius: 6px; }
img { max-width: 100%; }

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 24px; }

/* Barra in alto */
.top { display: flex; align-items: center; justify-content: space-between; padding: 22px 0; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font-family: var(--serif); font-size: 21px; }
.brand img { width: 30px; height: 30px; }
.top-link { color: var(--muted); text-decoration: none; font-size: 15px; }
.top-link:hover { color: var(--ink); }

/* Pulsanti */
.btn { display: inline-block; padding: 14px 24px; border-radius: 12px; font-weight: 600; font-size: 16px; text-decoration: none; }
.btn-main { background: var(--brass); color: #16202f; }
.btn-main:hover { background: #d6b973; }
.btn-plain { color: var(--ink); border: 1px solid var(--line); }
.btn-plain:hover { border-color: var(--muted); }

/* Apertura */
.hero { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 56px; align-items: center; padding: 48px 0 88px; }
.hero h1 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(40px, 6vw, 64px);
  line-height: 1.05;
  letter-spacing: -0.01em;
  margin: 0 0 22px;
  max-width: 15ch;
}
.hero p { color: var(--muted); font-size: 19px; max-width: 34em; margin: 0 0 32px; }
.hero .actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero .note { font-size: 14px; color: var(--muted); margin-top: 18px; }

/* Telefono illustrativo */
.phone {
  justify-self: center;
  width: 290px;
  border-radius: 44px;
  padding: 12px;
  background: #0c1322;
  border: 1px solid var(--line);
  box-shadow: 0 40px 80px -30px rgba(0, 0, 0, 0.7);
}
.screen { border-radius: 34px; background: var(--navy); padding: 26px 20px 20px; }
.screen .label { font-size: 13px; color: var(--muted); }
.screen .total { font-family: var(--serif); font-size: 34px; line-height: 1.1; margin: 4px 0 2px; }
.screen .delta { font-size: 13px; color: var(--up); }
.chart { display: block; width: 100%; height: 110px; margin: 16px 0 14px; }
.chart path.area { fill: url(#fillUp); }
.chart path.stroke { fill: none; stroke: var(--up); stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; }
.rows { list-style: none; margin: 0; padding: 0; }
.rows li { display: flex; justify-content: space-between; padding: 11px 0; border-top: 1px solid rgba(42, 63, 102, 0.6); font-size: 14px; }
.rows .up { color: var(--up); }
.rows .down { color: #f07a7a; }

/* Unica animazione: la linea del grafico si disegna all'apertura */
@media (prefers-reduced-motion: no-preference) {
  .chart path.stroke { stroke-dasharray: 600; stroke-dashoffset: 600; animation: draw 1.8s ease-out 0.3s forwards; }
  .chart path.area { opacity: 0; animation: show 0.8s ease-out 1.6s forwards; }
}
@keyframes draw { to { stroke-dashoffset: 0; } }
@keyframes show { to { opacity: 1; } }

/* Sezioni */
section { padding: 72px 0; border-top: 1px solid rgba(42, 63, 102, 0.5); }
h2 { font-family: var(--serif); font-weight: 400; font-size: clamp(30px, 4vw, 40px); line-height: 1.15; margin: 0 0 12px; }
.lead { color: var(--muted); max-width: 36em; margin: 0 0 40px; }

.features { display: grid; grid-template-columns: repeat(2, 1fr); gap: 36px 56px; }
.feature h3 { font-size: 18px; margin: 0 0 6px; }
.feature p { margin: 0; color: var(--muted); }
.pro-tag { font-size: 12px; font-weight: 600; color: var(--brass); border: 1px solid rgba(201, 169, 97, 0.5); border-radius: 999px; padding: 1px 8px; margin-left: 8px; vertical-align: 2px; }

.install { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }
.install h3 { font-size: 18px; margin: 0 0 10px; }
.install ol { margin: 0; padding-left: 20px; color: var(--muted); }
.install li { margin-bottom: 6px; }
.install strong { color: var(--ink); font-weight: 600; }

.qr { display: flex; align-items: center; gap: 24px; margin-top: 48px; padding: 20px; border: 1px solid var(--line); border-radius: 18px; max-width: 520px; }
.qr-code { flex-shrink: 0; background: #fff; border-radius: 10px; padding: 8px; line-height: 0; }
.qr-code img, .qr-code svg { width: 120px; height: 120px; }
.qr p { margin: 0; color: var(--muted); }
.qr strong { color: var(--ink); }

.beta { background: var(--navy-2); border-radius: 22px; padding: 40px; display: flex; justify-content: space-between; align-items: center; gap: 32px; flex-wrap: wrap; }
.beta p { margin: 0; color: var(--muted); max-width: 32em; }

/* Piè di pagina */
footer { padding: 48px 0 64px; border-top: 1px solid rgba(42, 63, 102, 0.5); font-size: 14px; color: var(--muted); }
footer .links { display: flex; flex-wrap: wrap; gap: 20px; margin-bottom: 16px; }
footer .links a { color: var(--ink); text-decoration: none; }
footer .links a:hover { text-decoration: underline; }
footer p { max-width: 60em; margin: 0 0 10px; }

/* Pagine legali */
.doc { max-width: 720px; padding: 32px 0 80px; }
.doc h1 { font-family: var(--serif); font-weight: 400; font-size: clamp(34px, 5vw, 46px); line-height: 1.1; margin: 0 0 8px; }
.doc .updated { color: var(--muted); font-size: 14px; margin: 0 0 40px; }
.doc h2 { font-size: 24px; margin: 44px 0 10px; }
.doc p, .doc li { color: #c9d1de; }
.doc ul { padding-left: 22px; }
.doc li { margin-bottom: 6px; }
.doc .todo { background: rgba(201, 169, 97, 0.15); color: var(--brass); padding: 0 4px; border-radius: 4px; }

@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; gap: 48px; padding-top: 24px; }
  .features, .install { grid-template-columns: 1fr; }
  .qr { display: none; }
  .beta { padding: 28px; }
}
.qr[hidden] { display: none; }