/* Sito di presentazione e lezioni di Armon.ai — stessa grafica «Spettro» dell'app (public/css/aspetto.css):
   stessi colori, Manrope, pulsanti a pillola, riquadri tinti del colore della sezione. */
:root{
  --bg:#101218; --side:#0C0D12; --panel:#181A23; --panel-2:#1F2230; --deep:#13151C; --hover:#272B3B;
  --ink:#ECEDF3; --ink-2:#B9BBC8; --ink-3:#A3A6B4; --line:#2A2D3C; --line-2:#3A3E52;
  --accent:#A78BFA; --accent-ink:#1B1530; --ok:#6FCF97;
  --donate:#FF7AA8; --donate-ink:#2E0A1C;
  --f:"Manrope",system-ui,-apple-system,"Segoe UI",sans-serif;
  --r:20px; --r-sm:12px; --r-lg:28px; --r-pill:999px;
  --shadow-2:0 20px 50px rgba(0,0,0,.5);
  --w:1200px;
  color-scheme:dark;
}
:root[data-theme="light"]{
  --bg:#F4F4F8; --side:#FFFFFF; --panel:#FFFFFF; --panel-2:#EEEEF4; --deep:#F0F0F6; --hover:#E4E4EE;
  --ink:#15161D; --ink-2:#474A59; --ink-3:#575A6B; --line:#DCDCE6; --line-2:#C4C5D3;
  --accent:#6941D9; --accent-ink:#FFFFFF; --ok:#1F7A4A;
  --donate:#C2185B; --donate-ink:#FFFFFF;
  --shadow-2:0 20px 50px rgba(21,22,29,.16);
  color-scheme:light;
}
/* colore di ogni sezione, come nell'app */
:root[data-section="concetti"],[data-v="concetti"]{--accent:#EB8FB8;--accent-ink:#2E0A1C}
[data-v="libreria"]{--accent:#F59E6B;--accent-ink:#2B1406}
[data-v="progetti"]{--accent:#6FCF97;--accent-ink:#0E2318}
[data-v="synth"]{--accent:#A78BFA;--accent-ink:#1B1530}
[data-v="ritmiche"]{--accent:#F2C94C;--accent-ink:#271E00}
[data-v="mix"]{--accent:#56CCF2;--accent-ink:#04222E}
[data-v="biblioteca"]{--accent:#8FB3FF;--accent-ink:#0A1A3D}
[data-v="mescola"]{--accent:#5ED3C3;--accent-ink:#04241F}
[data-v="assistente"]{--accent:#E2BC63;--accent-ink:#241A04}
[data-v="strumenti"]{--accent:#8FB3FF;--accent-ink:#0A1A3D}
[data-v="appunti"]{--accent:#B9BBC8;--accent-ink:#15161D}
[data-v="importa"]{--accent:#F59E6B;--accent-ink:#2B1406}
[data-v="ovunque"]{--accent:#6FCF97;--accent-ink:#0E2318}
:root[data-theme="light"][data-section="concetti"],:root[data-theme="light"] [data-v="concetti"]{--accent:#A8336B;--accent-ink:#FFFFFF}
:root[data-theme="light"] [data-v="libreria"],:root[data-theme="light"] [data-v="importa"]{--accent:#B4501A;--accent-ink:#FFFFFF}
:root[data-theme="light"] :is([data-v="progetti"],[data-v="ovunque"]){--accent:#1F7A4A;--accent-ink:#FFFFFF}
:root[data-theme="light"] [data-v="synth"]{--accent:#6941D9;--accent-ink:#FFFFFF}
:root[data-theme="light"] [data-v="ritmiche"]{--accent:#7A5D00;--accent-ink:#FFFFFF}
:root[data-theme="light"] [data-v="mix"]{--accent:#0B6A8C;--accent-ink:#FFFFFF}
:root[data-theme="light"] :is([data-v="biblioteca"],[data-v="strumenti"]){--accent:#2F5FD0;--accent-ink:#FFFFFF}
:root[data-theme="light"] [data-v="mescola"]{--accent:#0F6E64;--accent-ink:#FFFFFF}
:root[data-theme="light"] [data-v="assistente"]{--accent:#8A5C0E;--accent-ink:#FFFFFF}
:root[data-theme="light"] [data-v="appunti"]{--accent:#474A59;--accent-ink:#FFFFFF}
/* tonale: ricalcolato dove cambia il colore */
:root,[data-v]{--tonal:color-mix(in srgb,var(--accent) 16%,var(--panel));--tonal-h:color-mix(in srgb,var(--accent) 24%,var(--panel));--tonal-ink:color-mix(in srgb,var(--accent) 55%,var(--ink))}
:root[data-theme="light"],:root[data-theme="light"] [data-v]{--tonal:color-mix(in srgb,var(--accent) 11%,#FFFFFF);--tonal-h:color-mix(in srgb,var(--accent) 18%,#FFFFFF)}

/* base */
*{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--f);font-size:16px;line-height:1.6;font-weight:500;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img{max-width:100%;height:auto;display:block}
h1,h2,h3{font-family:var(--f);margin:0;line-height:1.08;letter-spacing:-.035em;text-wrap:balance}
h1{font-size:clamp(2.2rem,5.2vw,4rem);font-weight:800}
h2{font-size:clamp(1.7rem,3.4vw,2.6rem);font-weight:800}
h3{font-size:1.35rem;font-weight:800;letter-spacing:-.02em}
p{margin:0}
a{color:var(--accent);text-underline-offset:3px}
strong{font-weight:700}
.muted{color:var(--ink-2)} .small{font-size:.88rem}
.lead{font-size:clamp(1.05rem,1.6vw,1.2rem);color:var(--ink-2);max-width:62ch;line-height:1.55}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}
::selection{background:color-mix(in srgb,var(--accent) 40%,transparent)}
.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip{position:absolute;left:16px;top:-60px;z-index:100;background:var(--ink);color:var(--bg);padding:10px 16px;border-radius:12px;font-weight:700}
.skip:focus{top:12px}
.wrap{width:100%;max-width:var(--w);margin-inline:auto;padding-inline:max(20px,env(safe-area-inset-left,0px))}
.row{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.row.center{justify-content:center}
svg.ic{width:18px;height:18px;flex:none;stroke:currentColor;fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}

/* pulsanti a pillola, come nell'app */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:9px 20px;border-radius:var(--r-pill);border:1px solid var(--line-2);background:transparent;color:var(--ink);font:inherit;font-weight:700;font-size:.95rem;text-decoration:none;cursor:pointer;white-space:nowrap;transition:background .12s,border-color .12s,filter .12s,transform .12s}
.btn:hover{background:var(--panel-2);border-color:var(--ink-3)}
.btn:active{transform:scale(.97)}
.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.btn.primary:hover{filter:brightness(1.1)}
:root[data-theme="light"] .btn.primary:hover{filter:brightness(.92)}
.btn.ghost{border-color:transparent}
.btn.ghost:hover{background:var(--panel-2)}
.btn.sm{min-height:38px;padding:6px 15px;font-size:.88rem}
.btn.lg{min-height:52px;padding:12px 26px;font-size:1.02rem}
.btn.icon-only{padding:6px;width:40px}
.btn svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.btn.donate{background:var(--donate);border-color:var(--donate);color:var(--donate-ink)}
.btn.donate:hover{filter:brightness(1.08)}
:root[data-theme="light"] .btn.donate:hover{filter:brightness(.92)}
.btn.donate .heart,.heart{width:16px;height:16px;fill:currentColor;stroke:none}
.btn.donate:hover .heart{animation:beat .9s ease-in-out infinite}
@keyframes beat{0%,100%{transform:scale(1)}30%{transform:scale(1.22)}60%{transform:scale(.95)}}

/* etichette */
.chip{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:var(--r-pill);background:var(--panel-2);color:var(--ink-2);font-weight:600;font-size:.82rem;text-decoration:none;white-space:nowrap}
.chip.acc{background:var(--tonal);color:var(--tonal-ink)}
a.chip:hover{background:var(--hover);color:var(--ink)}
.tag{display:inline-flex;align-items:center;gap:8px;color:var(--tonal-ink);font-weight:800;font-size:.9rem;letter-spacing:.01em}
.tag svg{stroke:var(--accent)} .tag .heart{fill:var(--donate)}

/* barra in alto */
.nav{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid color-mix(in srgb,var(--line) 60%,transparent)}
.nav-in{display:flex;align-items:center;gap:18px;min-height:68px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;font-weight:800;font-size:1.3rem;letter-spacing:-.03em;flex:none}
.brand .logo{width:32px;height:32px;padding:5px;border-radius:10px;background:var(--ink);flex:none}
.brand .st{stroke:var(--bg);opacity:.8} .brand .nh{fill:var(--bg)} .brand .sm{stroke:var(--bg)}
.links{display:flex;gap:4px;margin-left:12px}
.links a{color:var(--ink-2);text-decoration:none;font-weight:700;padding:8px 14px;border-radius:var(--r-pill)}
.links a:hover,.links a[aria-current="page"]{color:var(--ink);background:var(--panel-2)}
.nav-act{margin-left:auto;display:flex;align-items:center;gap:8px}
.lang-sw{position:relative}
.lang-sw summary{list-style:none;display:inline-flex;align-items:center;justify-content:center;gap:4px;min-width:36px;height:32px;padding:0 10px;border-radius:var(--r-pill);border:1px solid var(--line);color:var(--ink-2);font-weight:800;font-size:.8rem;letter-spacing:.04em;cursor:pointer;user-select:none}
.lang-sw summary::-webkit-details-marker{display:none}
.lang-sw summary::after{content:"";width:6px;height:6px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:translateY(-2px) rotate(45deg);opacity:.7}
.lang-sw[open] summary::after{transform:translateY(1px) rotate(-135deg)}
.lang-sw summary:hover,.lang-sw[open] summary{color:var(--ink);background:var(--panel-2)}
.lang-sw ul{position:absolute;right:0;top:calc(100% + 6px);z-index:60;list-style:none;margin:0;padding:6px;min-width:160px;background:var(--panel);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow-2)}
.lang-sw li a{display:block;padding:9px 12px;border-radius:10px;color:var(--ink-2);text-decoration:none;font-weight:700}
.lang-sw li a:hover{background:var(--panel-2);color:var(--ink)}
.lang-sw li a[aria-current]{color:var(--tonal-ink);background:var(--tonal)}
.nav .menu{display:none}
.links .theme-m{display:none}

/* presentazione */
.hero{padding:clamp(40px,7vw,90px) 0 30px;background:radial-gradient(1200px 520px at 85% -10%,color-mix(in srgb,#A78BFA 20%,transparent),transparent 70%),radial-gradient(900px 480px at -10% 20%,color-mix(in srgb,#F59E6B 13%,transparent),transparent 70%)}
.hero-in{display:flex;flex-direction:column;gap:clamp(32px,5vw,56px);align-items:center}
.hero-text{display:flex;flex-direction:column;gap:22px;align-items:center;text-align:center;max-width:900px}
.hero-text h1{max-width:18ch}
.hero-text .lead{margin-inline:auto}
.hero-text .cta{justify-content:center}
.cta{margin-top:4px}
.shot{margin:0;border-radius:var(--r);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-2);background:var(--panel)}
.shot img{width:100%}
.hero-shot{width:100%;max-width:1100px;transform:perspective(2000px) rotateX(6deg);transform-origin:center top;box-shadow:0 40px 90px rgba(0,0,0,.55),0 0 0 1px color-mix(in srgb,#A78BFA 25%,transparent)}
.shot.ph{aspect-ratio:16/10;display:grid;place-items:center;background:var(--tonal)}
.shot.ph svg{width:72px;height:72px;stroke:var(--accent);fill:none;stroke-width:1.4}
.stats{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px;margin-top:clamp(36px,6vw,64px)}
.stats>div{background:var(--panel);border-radius:var(--r);padding:18px 20px;display:flex;flex-direction:column;gap:2px}
:root[data-theme="light"] .stats>div{border:1px solid var(--line)}
.stats strong{font-size:2rem;font-weight:800;letter-spacing:-.04em;line-height:1.1;font-variant-numeric:tabular-nums}
.stats span{color:var(--ink-2);font-size:.9rem}
.block{padding:clamp(48px,8vw,100px) 0 0}
.block.last{padding-bottom:clamp(48px,8vw,100px)}
.block-head{display:flex;flex-direction:column;gap:14px;margin-bottom:clamp(28px,4vw,48px);max-width:820px}
.feat{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:clamp(24px,4vw,56px);align-items:center;padding:clamp(22px,3vw,36px);margin-bottom:22px;border-radius:var(--r-lg);background:var(--tonal)}
.feat.flip .feat-text{order:2}
.feat-text{display:flex;flex-direction:column;gap:14px}
.feat-text p{color:var(--ink-2);font-size:1.05rem}
.feat h3{font-size:clamp(1.5rem,2.6vw,2rem)}
.ticks{list-style:none;padding:0;margin:4px 0 0;display:flex;flex-direction:column;gap:8px}
.ticks li{position:relative;padding-left:28px}
.ticks li::before{content:"";position:absolute;left:2px;top:.42em;width:16px;height:16px;border-radius:50%;background:var(--tonal-h) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23888' stroke-width='3.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12.5l4.5 4.5L19 7.5'/%3E%3C/svg%3E") center/11px no-repeat}
.grid{display:grid;gap:16px}
.cards{grid-template-columns:repeat(auto-fill,minmax(min(100%,260px),1fr))}
.card{background:var(--panel);border:1px solid transparent;border-radius:var(--r);padding:20px 22px;display:flex;flex-direction:column;gap:10px;min-width:0}
:root[data-theme="light"] .card{border-color:var(--line)}
.card.mini p{color:var(--ink-2);font-size:.95rem}
.card.link{text-decoration:none;color:var(--ink);transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease}
.card.link:hover{transform:translateY(-3px);border-color:color-mix(in srgb,var(--accent) 45%,transparent);box-shadow:var(--shadow-2)}
.small-feats{margin-top:8px}
.tinted{background:var(--tonal);border-radius:var(--r-lg);padding:clamp(26px,4vw,48px)}
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(24px,4vw,56px);align-items:center}
.split>div{display:flex;flex-direction:column;gap:16px;align-items:flex-start}
.area-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:6px}
.area-list a{display:flex;justify-content:space-between;gap:10px;padding:10px 14px;border-radius:14px;background:var(--panel);color:var(--ink);text-decoration:none;font-weight:600}
.area-list a:hover{background:var(--hover)}
.plans{grid-template-columns:repeat(auto-fit,minmax(min(100%,260px),1fr))}
.plans .card{gap:16px}
.plans .btn{align-self:flex-start;margin-top:auto}
.donate-hero{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);gap:clamp(24px,4vw,56px);align-items:center;padding:clamp(28px,4vw,52px);border-radius:var(--r-lg);background:color-mix(in srgb,var(--donate) 14%,var(--panel))}
.donate-hero>div{display:flex;flex-direction:column;gap:18px;align-items:flex-start}
.costs{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.costs li{background:var(--panel);border-radius:16px;padding:14px 18px;display:flex;flex-direction:column;gap:2px}
.costs span{color:var(--ink-2);font-size:.92rem}
.faq{display:flex;flex-direction:column;gap:10px;max-width:860px}
.faq details{background:var(--panel);border-radius:16px;padding:4px 20px}
:root[data-theme="light"] .faq details{border:1px solid var(--line)}
.faq summary{cursor:pointer;font-weight:700;padding:14px 0;list-style:none;display:flex;justify-content:space-between;gap:12px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-weight:800;color:var(--ink-3);font-size:1.3rem;line-height:1}
.faq details[open] summary::after{content:"–"}
.faq details p{color:var(--ink-2);padding:0 0 16px}
.final{text-align:center;display:flex;flex-direction:column;gap:16px;align-items:center}
.final .lead{margin-inline:auto}

/* lezioni */
.hero-sm{margin:clamp(24px,4vw,44px) 0 18px;display:flex;flex-direction:column;gap:16px;align-items:flex-start}
.search{position:relative;width:min(100%,620px);margin-top:6px}
.search svg{position:absolute;left:16px;top:50%;transform:translateY(-50%);width:18px;height:18px;stroke:var(--ink-3);fill:none;stroke-width:2}
.search input{width:100%;font:inherit;color:var(--ink);background:var(--panel);border:1px solid var(--line);border-radius:var(--r-pill);padding:13px 18px 13px 46px}
.search input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 22%,transparent)}
.area-nav{display:flex;flex-wrap:wrap;gap:8px;margin:6px 0 10px}
.area{padding-top:32px}
.area h2{font-size:1.6rem;margin-bottom:14px}
.lesson-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,360px),1fr));gap:6px}
.lesson-list a{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:11px 16px;border-radius:14px;background:var(--panel);color:var(--ink);text-decoration:none;font-weight:600;line-height:1.35;min-height:48px}
:root[data-theme="light"] .lesson-list a{border:1px solid var(--line)}
.lesson-list a:hover{background:var(--hover)}
.lesson-list .chip{flex:none}
.lv-base{background:color-mix(in srgb,var(--ok) 20%,transparent);color:var(--ink)}
.lesson{padding-bottom:clamp(40px,6vw,80px)}
.crumbs{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:22px 0 14px;font-size:.9rem;color:var(--ink-3)}
.crumbs a{color:var(--ink-2);text-decoration:none;font-weight:600}
.crumbs a:hover{color:var(--ink);text-decoration:underline}
.lesson .head{background:var(--tonal);border-radius:var(--r-lg);padding:clamp(24px,4vw,40px);display:flex;flex-direction:column;gap:14px}
.lesson .head h1{font-size:clamp(1.9rem,4.2vw,3rem);max-width:28ch}
.chips{display:flex;flex-wrap:wrap;gap:6px}
.lesson-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:clamp(24px,4vw,48px);margin-top:28px;align-items:start}
.side-col{position:sticky;top:88px;display:flex;flex-direction:column;gap:14px}
.toc{gap:4px}
.toc strong{margin-bottom:6px}
.toc a{color:var(--ink-2);text-decoration:none;font-size:.92rem;padding:5px 10px;border-radius:10px;font-weight:600}
.toc a:hover{background:var(--panel-2);color:var(--ink)}
.try{background:var(--tonal);border-color:transparent}
.try p{color:var(--ink-2)}
.try .btn{align-self:flex-start}
.prose{font-size:1.06rem;line-height:1.72;max-width:76ch;min-width:0}
.prose h2{font-size:1.6rem;margin:38px 0 12px;letter-spacing:-.03em}
.prose h2:first-child{margin-top:0}
.prose h3{font-size:1.2rem;margin:28px 0 10px}
.prose p{margin:0 0 14px}
.prose ul,.prose ol{margin:0 0 16px;padding-left:24px}
.prose li{margin:5px 0}
.prose li::marker{color:var(--accent)}
.prose strong{color:var(--ink)}
.prose code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.9em;background:var(--panel-2);padding:1px 6px;border-radius:6px}
.tbl{position:relative;overflow-x:auto;margin:6px 0 20px;border-radius:var(--r-sm);border:1px solid var(--line)}
.tbl table{border-collapse:collapse;width:100%;font-size:.95rem;line-height:1.45}
.tbl th,.tbl td{text-align:left;padding:9px 12px;border-bottom:1px solid var(--line);vertical-align:top}
.tbl th{background:var(--panel-2);font-weight:700}
.tbl tr:last-child td{border-bottom:0}
.sources ul{list-style:none;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.sources li{margin:0}
.sources a{display:inline-flex;padding:4px 12px;border-radius:var(--r-pill);background:var(--panel-2);color:var(--ink-2);text-decoration:none;font-size:.88rem;font-weight:600}
.sources a:hover{color:var(--ink);background:var(--hover)}
.more{margin-top:44px}
.more h2{font-size:1.5rem;margin-bottom:16px}
.pager{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:28px}
.pager .next{text-align:right;align-items:flex-end}
.donate-box{margin-top:36px;display:flex;flex-wrap:wrap;gap:16px 24px;justify-content:space-between;align-items:center;padding:24px 28px;border-radius:var(--r-lg);background:color-mix(in srgb,var(--donate) 13%,var(--panel))}
.donate-box h2{font-size:1.35rem;margin-bottom:6px}
.donate-box p{color:var(--ink-2);max-width:62ch}

/* piè di pagina */
.foot{border-top:1px solid var(--line);margin-top:clamp(40px,6vw,80px);padding:40px 0 48px;background:var(--side)}
.foot-in{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,2fr);gap:32px}
.foot-brand{display:flex;flex-direction:column;gap:12px;max-width:320px}
.foot-links{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.foot-links div{display:flex;flex-direction:column;gap:8px}
.foot-links a{color:var(--ink-2);text-decoration:none;font-size:.94rem}
.foot-links a:hover{color:var(--ink);text-decoration:underline}

/* telefono e tablet */
@media (max-width:980px){
  .split,.donate-hero{grid-template-columns:1fr}
  .hero-shot{transform:none}
  .stats{grid-template-columns:repeat(3,minmax(0,1fr))}
  .feat,.feat.flip{grid-template-columns:1fr}
  .feat.flip .feat-text{order:0}
  .lesson-grid{grid-template-columns:minmax(0,1fr)}
  .side-col{position:static}
  .toc{display:none}
  .foot-in{grid-template-columns:1fr}
}
@media (max-width:900px){
  .nav .menu{display:inline-flex}
  .links{display:none;position:absolute;left:0;right:0;top:100%;flex-direction:column;gap:2px;padding:10px max(16px,env(safe-area-inset-left,0px)) 16px;background:var(--side);border-bottom:1px solid var(--line);box-shadow:var(--shadow-2);margin:0}
  .links.open{display:flex}
  .links a,.links .theme-m{padding:12px 14px}
  .links .theme-m{display:block;text-align:left;border:0;background:none;color:var(--ink-2);font:inherit;font-weight:700;border-radius:var(--r-pill);cursor:pointer}
  .links .theme-m:hover{background:var(--panel-2);color:var(--ink)}
  .nav-act #themeBtn{display:none}
}
@media (max-width:760px){
  .nav-act .donate span{display:none}
  .nav-act .donate{padding:6px 12px}
  .nav-in{gap:10px}
  .brand{font-size:1.15rem}
  .stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stats>div:last-child{grid-column:1/-1}
  .area-list{grid-template-columns:1fr}
  .pager{grid-template-columns:1fr}
  .pager .next{text-align:left;align-items:flex-start}
  .foot-links{grid-template-columns:1fr 1fr}
  .wrap{padding-inline:16px}
}
.nav-act .cta-s{display:none}
@media (max-width:520px){.nav-act .cta-l{display:none}.nav-act .cta-s{display:inline}}
@media (max-width:360px){.nav-act .donate{display:none}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}.hero-shot{transform:none}}

/* pagine di generi, synth, mix, ritmi */
.sec{margin-top:6px}
.prose .sec h2{margin-top:38px}
.prose .sec:first-child h2{margin-top:0}
.lesson .head .lead{max-width:70ch}
.ctl{display:grid;grid-template-columns:minmax(120px,max-content) 1fr;gap:8px 18px;margin:0 0 18px}
.ctl dt{font-weight:800}
.ctl dd{margin:0;color:var(--ink-2)}
.preset{margin:0 0 14px;gap:6px}
.preset h3{margin:0;font-size:1.12rem}
.preset p{margin:0}
.learn{grid-template-columns:repeat(auto-fit,minmax(min(100%,210px),1fr))}
.learn-card{background:var(--tonal);border-color:transparent}
.learn-card strong{font-size:1.25rem;letter-spacing:-.02em}
.area h2 a{color:var(--ink);text-decoration:none}
.area h2 a:hover{text-decoration:underline}
/* griglia dei ritmi */
.beat-ctl{margin-bottom:10px}
.beat-grid table{font-size:.8rem}
.beat-grid th[scope="row"]{white-space:nowrap;font-weight:700;background:var(--panel-2);position:sticky;left:0;z-index:1}
.beat-grid thead th{text-align:center;padding:6px 2px;color:var(--ink-3);font-weight:700}
.beat-grid td{padding:0;min-width:22px;height:26px;border-left:1px solid var(--line);background:var(--deep)}
.beat-grid td.bt{border-left-color:var(--line-2)}
.beat-grid td.on{background:var(--accent);box-shadow:inset 0 0 0 3px var(--deep);border-radius:6px}
.beat-grid td.now{outline:2px solid var(--ink);outline-offset:-2px}
/* condivisione */
.share{display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.share .chip{border:1px solid var(--line);cursor:pointer;font:inherit;font-size:.82rem;font-weight:600}
.share .chip:hover{background:var(--hover);color:var(--ink)}
/* donazioni: importi, barra dei costi, obiettivi */
.donate-box .db-text{flex:1 1 360px;display:flex;flex-direction:column;gap:6px}
.donate-box .db-act{display:flex;flex-direction:column;gap:8px;align-items:flex-start}
.amounts{display:flex;flex-wrap:wrap;gap:8px}
.fund-bar{height:12px;border-radius:999px;background:color-mix(in srgb,var(--donate) 18%,var(--panel-2));overflow:hidden}
.fund-bar i{display:block;height:100%;width:0;background:var(--donate);border-radius:999px;transition:width .6s ease}
.fund-t{color:var(--ink-2)}
.goals{display:grid;gap:10px;width:100%}
.goal{background:var(--panel);border-radius:16px;padding:14px 18px;display:flex;flex-direction:column;gap:6px}
.goal p{color:var(--ink-2);font-size:.92rem}
.donate-hero .tag{color:var(--donate)}
:root[data-theme="light"] .donate-hero .tag{color:var(--donate)}
.donate-box a:not(.btn){color:var(--ink)}
/* scelta del servizio per donare (sito.js) */
.dona-dlg{width:min(460px,calc(100vw - 32px));border:1px solid var(--line);border-radius:20px;background:var(--panel);color:var(--ink);padding:20px 22px;box-shadow:0 24px 60px rgba(0,0,0,.35)}
.dona-dlg::backdrop{background:rgba(8,9,14,.55)}
.dona-dlg-h{display:flex;align-items:center;justify-content:space-between;gap:12px}
.dona-dlg h2{margin:0;font-size:1.25rem}
.dona-dlg p{margin:10px 0}
.dona-opts{display:grid;gap:10px;margin:12px 0}
.dona-opt{display:flex;flex-direction:column;gap:4px;padding:14px 16px;border:1px solid var(--line);border-radius:14px;text-decoration:none;color:var(--ink)}
.dona-opt:hover,.dona-opt:focus-visible{border-color:var(--donate);background:color-mix(in srgb,var(--donate) 8%,var(--panel))}
.dona-opt strong{display:flex;align-items:center;gap:8px}
.dona-opt .heart{width:16px;height:16px;fill:var(--donate);flex:none}