/* I token sono quelli dell'app, non un'altra tavolozza: un sito che presenta
   un prodotto e poi ha un altro carattere e un altro verde fa sospettare che
   le due cose non siano fatte dalle stesse persone. */
:root{
  --surface:#F5FAFA; --card:#FFFFFF; --ink:#171D1E; --ink-2:#3F484A;
  --ink-3:#6F797A; --line:#BFC8C9; --line-soft:#DDE4E4; --primary:#00696E;
  --pri-container:#CCE8E9; --accent:#C0306E; --deep:#0C3A52; --sunk:#EDF3F3;
  --on-deep:#EAF3F6; --on-deep-2:#A9C4CF; --shadow:12px 24px 48px -24px rgba(12,58,82,.34);
}
/* Il tema scuro è scelto, non invertito: il fondo prende il blu profondo
   della carta nautica, e il verde primario sale di luminosità perché a
   #00696E su fondo scuro non si legge più niente. */
@media (prefers-color-scheme:dark){
  :root:not([data-theme=light]){
    --surface:#0B1213; --card:#141C1D; --ink:#DDE4E4; --ink-2:#BAC5C6;
    --ink-3:#8A9596; --line:#2B3739; --line-soft:#212B2C; --primary:#61D6DC;
    --pri-container:#123A3D; --accent:#FF9DC4; --deep:#07222F; --sunk:#101A1B;
    --on-deep:#E4EFF3; --on-deep-2:#9FBAC6;
    --shadow:12px 24px 48px -26px rgba(0,0,0,.7);
  }
}
:root[data-theme=dark]{
  --surface:#0B1213; --card:#141C1D; --ink:#DDE4E4; --ink-2:#BAC5C6;
  --ink-3:#8A9596; --line:#2B3739; --line-soft:#212B2C; --primary:#61D6DC;
  --pri-container:#123A3D; --accent:#FF9DC4; --deep:#07222F; --sunk:#101A1B;
  --on-deep:#E4EFF3; --on-deep-2:#9FBAC6;
  --shadow:12px 24px 48px -26px rgba(0,0,0,.7);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0; background:var(--surface); color:var(--ink);
  font-family:"IBM Plex Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:17px; line-height:1.6; -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--primary);text-decoration-thickness:1px;text-underline-offset:2px}
a:focus-visible,button:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:4px}

.skip{position:absolute;left:-9999px}
.skip:focus{left:16px;top:16px;z-index:9;background:var(--card);padding:10px 16px;
  border-radius:8px;border:1px solid var(--line)}

.wrap{width:min(100% - 40px,1080px);margin-inline:auto}
.prose{width:min(100%,68ch)}

/* ── testata ── */
.top{display:flex;align-items:center;gap:20px;padding:22px 0 8px;flex-wrap:wrap}
.brand{font-family:Spectral,Georgia,serif;font-weight:600;font-size:23px;
  letter-spacing:-.01em;color:var(--ink);text-decoration:none}
.top nav{margin-left:auto;display:flex;gap:20px;align-items:center;flex-wrap:wrap}
.top nav a{color:var(--ink-2);text-decoration:none;font-size:15px}
.top nav a:hover{color:var(--primary)}
.top nav a[aria-current=page]{color:var(--ink);font-weight:500}
.lang{font-family:"IBM Plex Mono",ui-monospace,monospace;font-size:12.5px;
  letter-spacing:.06em;border:1px solid var(--line);border-radius:20px;
  padding:5px 13px;color:var(--ink-2)!important;text-decoration:none}
.lang:hover{border-color:var(--primary)}

/* ── tipografia ── */
h1,h2,h3{font-family:Spectral,Georgia,serif;font-weight:600;letter-spacing:-.012em;
  text-wrap:balance;margin:0}
h1{font-size:clamp(34px,6vw,52px);line-height:1.1}
h2{font-size:clamp(25px,3.4vw,34px);line-height:1.18}
h3{font-size:19px;line-height:1.3;letter-spacing:-.005em}
.lede{font-size:clamp(18px,2.1vw,21px);line-height:1.5;color:var(--ink-2);
  margin:18px 0 0;max-width:60ch}
.eyebrow{font-family:"IBM Plex Mono",ui-monospace,monospace;font-size:11px;
  letter-spacing:.17em;text-transform:uppercase;color:var(--ink-3);margin:0 0 10px}
p{margin:16px 0 0}

/* ── copertina ── */
.hero{background:var(--deep);color:var(--on-deep);border-radius:20px;
  margin:14px 0 0;padding:clamp(30px,5vw,58px);overflow:hidden;
  display:grid;gap:clamp(28px,4vw,52px);align-items:center;
  grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr)}
.hero h1{color:#fff}
.hero .lede{color:var(--on-deep-2);max-width:46ch}
.hero .eyebrow{color:var(--on-deep-2)}
.hero-shot{justify-self:center;max-width:290px;width:100%}
.hero-shot img{border-radius:16px;box-shadow:0 28px 60px -20px rgba(0,0,0,.55)}
@media (max-width:800px){.hero{grid-template-columns:1fr}.hero-shot{max-width:250px}}

.cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px;align-items:center}
.btn{display:inline-flex;align-items:center;gap:9px;height:50px;padding:0 24px;
  border-radius:25px;background:var(--primary);color:#00201F;font-weight:600;
  font-size:15.5px;text-decoration:none;border:1px solid transparent}
.hero .btn{background:#CCE8E9;color:#00201F}
.btn.ghost{background:transparent;border-color:var(--on-deep-2);color:var(--on-deep)}
.btn:hover{filter:brightness(1.06)}
.cta-note{font-size:14px;color:var(--on-deep-2);margin:0;flex-basis:100%}

/* ── sezioni ── */
section{padding:clamp(48px,7vw,86px) 0 0}
.grid3{display:grid;gap:24px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));
  margin-top:34px}
.card{background:var(--card);border:1px solid var(--line-soft);border-radius:14px;
  padding:22px 22px 26px}
.card p{color:var(--ink-2);font-size:15.5px;margin-top:10px}

.split{display:grid;gap:clamp(28px,4vw,54px);align-items:center;margin-top:32px;
  grid-template-columns:minmax(0,1fr) minmax(0,auto)}
.split.flip{grid-template-columns:minmax(0,auto) minmax(0,1fr)}
.split.flip .split-text{order:2}
@media (max-width:820px){.split,.split.flip{grid-template-columns:1fr}
  .split.flip .split-text{order:0}}

.shots{display:flex;gap:22px;flex-wrap:wrap;justify-content:center}
figure{margin:0;max-width:250px}
figure img{border-radius:14px;border:1px solid var(--line-soft);box-shadow:var(--shadow)}
figcaption{font-size:13px;line-height:1.45;color:var(--ink-3);margin-top:11px}
.note{font-size:13.5px;color:var(--ink-3);margin-top:26px;font-style:italic}

/* ── funzioni ── */
.feature{display:grid;gap:clamp(26px,4vw,50px);align-items:center;
  padding:clamp(38px,5vw,58px) 0;border-bottom:1px solid var(--line-soft);
  grid-template-columns:minmax(0,auto) minmax(0,1fr)}
.feature:nth-child(even){grid-template-columns:minmax(0,1fr) minmax(0,auto)}
.feature:nth-child(even) .feature-shot{order:2}
.feature:last-child{border-bottom:0}
.feature p{color:var(--ink-2)}
@media (max-width:820px){.feature,.feature:nth-child(even){grid-template-columns:1fr}
  .feature:nth-child(even) .feature-shot{order:0}}

/* ── legale ── */
.legal h2{font-size:21px;margin-top:38px}
.legal ul{margin:14px 0 0;padding-left:22px;color:var(--ink-2)}
.legal li{margin-top:9px}
.legal p{color:var(--ink-2)}
.updated{font-family:"IBM Plex Mono",ui-monospace,monospace;font-size:12.5px;
  letter-spacing:.05em;color:var(--ink-3);margin-top:12px}

/* ── piede ── */
footer{margin-top:clamp(60px,8vw,100px);border-top:1px solid var(--line-soft);
  padding:30px 0 46px;display:flex;gap:12px 26px;flex-wrap:wrap;align-items:center;
  font-size:14.5px;color:var(--ink-3)}
footer nav{display:flex;gap:20px;flex-wrap:wrap;margin-left:auto}
footer a{color:var(--ink-2);text-decoration:none}
footer a:hover{color:var(--primary)}

@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}