/* Sonora Academy — foglio di stile condiviso.
   Palette e spaziature sono PROVVISORIE: da rifinire quando arrivano gli
   screenshot del tema "Midnight Indigo" originale (vedi 00-panoramica.md). */

:root{
  --fondo:#0A0A0D;
  --fondo-pannello:#151417;
  --bordo:#2B2A30;
  --inchiostro:#F5F4F7;
  --grigio:#9C9BA5;
  --viola:#A855F7;
  --viola-testo:#C89BFF;
  --avviso:#E8B84B;
  --avviso-sfondo:#241C10;
  --avviso-bordo:#7A5C1E;
  --raggio:14px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--fondo);
  color:var(--inchiostro);
  font-family:'Work Sans',sans-serif;
  font-size:16.5px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3{
  font-family:'Work Sans',sans-serif;
  font-weight:800;
  line-height:1.1;
  letter-spacing:-.01em;
  margin:0 0 14px;
}
h1{font-size:clamp(34px,5vw,54px)}
h2{font-size:clamp(26px,3.4vw,36px)}
h3{font-size:20px}
p{margin:0 0 14px;color:var(--grigio)}
a{color:var(--viola-testo)}
img{max-width:100%;display:block}

.salta-al-contenuto{position:absolute;left:-999px;top:0;background:var(--viola);color:#fff;padding:10px 16px;z-index:200}
.salta-al-contenuto:focus{left:10px;top:10px}

.wrap{max-width:1120px;margin:0 auto;padding:0 24px}

/* ===== HEADER ===== */
header{position:sticky;top:0;z-index:100;background:rgba(20,16,43,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--bordo)}
.nav{max-width:1400px;margin:0 auto;padding:14px 24px;display:flex;align-items:center;justify-content:space-between;gap:18px;position:relative}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;flex-shrink:0}
.logo-icona{
  width:72px;height:42px;border-radius:10px;flex-shrink:0;padding:8px 7px;
  background:linear-gradient(135deg,var(--viola),#5B4FD1);
  display:flex;align-items:center;justify-content:center;
}
.logo-icona img{width:100%;height:100%;object-fit:contain;filter:invert(1) brightness(2) contrast(1.15)}
.logo-testo{display:flex;flex-direction:column;line-height:1.3;white-space:nowrap}
.logo-nome{font-family:'Work Sans',sans-serif;font-weight:700;text-transform:uppercase;letter-spacing:.02em;font-size:15px;color:var(--inchiostro)}
.logo-tagline{font-size:10.5px;color:var(--grigio);letter-spacing:.01em}
.menu-btn{display:none;background:none;border:none;color:var(--inchiostro);font-size:26px;cursor:pointer;flex-shrink:0}
.nav-links{list-style:none;display:flex;flex-wrap:nowrap;gap:18px;margin:0;padding:0;align-items:center}
.nav-links>li{position:relative}
.nav-links>li>a{color:var(--inchiostro);text-decoration:none;font-size:12.5px;font-weight:600;text-transform:uppercase;letter-spacing:.05em;padding:8px 0;white-space:nowrap;border-bottom:2px solid transparent}
.nav-links>li>a.attivo,.nav-links>li>a:hover{color:var(--viola-testo);border-bottom-color:var(--viola)}
.nav-cta{background:var(--viola);color:#fff !important;padding:10px 16px !important;border-radius:99px;font-weight:600 !important;white-space:nowrap}
.ha-sottomenu .sottomenu{
  list-style:none;margin:0;padding:10px;position:absolute;top:100%;left:0;
  background:var(--fondo-pannello);border:1px solid var(--bordo);border-radius:var(--raggio);
  min-width:260px;display:none;box-shadow:0 12px 32px rgba(0,0,0,.4);
}
.ha-sottomenu:hover .sottomenu,.ha-sottomenu:focus-within .sottomenu{display:block}
.ha-sottomenu.chiusa .sottomenu{display:none !important}
.sottomenu li a{display:block;padding:8px 12px;border-radius:8px;color:var(--grigio);text-decoration:none;font-size:14.5px}
.sottomenu li a:hover{background:rgba(124,111,240,.12);color:var(--inchiostro)}

@media(max-width:1360px){
  .menu-btn{display:block}
  .nav-links{
    display:none;position:absolute;top:100%;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:0;
    background:var(--fondo-pannello);border-bottom:1px solid var(--bordo);padding:8px 24px 18px;
    max-height:calc(100vh - 70px);overflow-y:auto;
  }
  .nav-links.aperto{display:flex}
  .nav-links>li>a{padding:12px 0;display:block}
  .ha-sottomenu .sottomenu{position:static;display:block;box-shadow:none;border:none;background:none;padding:0 0 6px 12px}
  .nav-cta{display:inline-block;margin-top:8px}
}

/* ===== SEZIONI GENERICHE ===== */
section{padding:64px 0}
.eyebrow{display:inline-block;color:var(--viola-testo);font-size:13px;letter-spacing:.1em;text-transform:uppercase;font-weight:600;margin-bottom:14px}
.hero{padding:100px 0 44px;text-align:left}
.hero h1{max-width:18ch}
.hero .sub{max-width:58ch;font-size:18.5px;color:var(--grigio);margin-top:4px}
.sez-testa{max-width:70ch;margin-bottom:36px}
.sez-testa p{font-size:17px}
.evidenza{color:var(--viola-testo)}

/* hero con foto di sfondo (solo home) */
.hero-arte{position:relative;overflow:hidden;padding:132px 0 76px}
.hero-arte-sfondo{
  position:absolute;inset:0;z-index:0;pointer-events:none;
  background-image:
    linear-gradient(100deg, rgba(14,10,30,.94) 0%, rgba(14,10,30,.82) 32%, rgba(14,10,30,.42) 62%, rgba(14,10,30,.62) 100%),
    linear-gradient(0deg, var(--fondo) 0%, rgba(14,10,30,.1) 30%, transparent 55%),
    url('/img/sfondo-home-strumenti.jpg');
  background-size:cover;
  background-position:center 30%;
}
.hero-arte .wrap{position:relative;z-index:1}
.hero-arte h1{font-size:clamp(40px,6.4vw,66px);max-width:15ch}
.hero-logo-grande{width:clamp(200px,26vw,320px);height:auto;filter:invert(1) brightness(2);margin-bottom:28px}

.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 24px;border-radius:99px;text-decoration:none;font-weight:700;font-size:14px;text-transform:uppercase;letter-spacing:.03em;transition:transform .15s ease}
.btn-primary{background:var(--viola);color:#fff}
.btn-ghost{background:transparent;color:var(--inchiostro);border:1px solid var(--bordo)}
.btn:hover{transform:translateY(-2px)}
.cta-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:8px}

.pannello{background:var(--fondo-pannello);border:1px solid var(--bordo);border-radius:var(--raggio);padding:28px}
.griglia{display:grid;gap:22px}
.griglia-2{grid-template-columns:repeat(2,1fr)}
.griglia-3{grid-template-columns:repeat(3,1fr)}
@media(max-width:820px){.griglia-2,.griglia-3{grid-template-columns:1fr}}

.iniziali{
  width:56px;height:56px;border-radius:50%;background:var(--viola);color:#fff;
  display:flex;align-items:center;justify-content:center;font-family:'Work Sans',sans-serif;font-weight:700;
  font-size:18px;flex-shrink:0;
}
.voce-icona{display:flex;gap:16px;align-items:flex-start}
.voce-icona h3{margin-bottom:4px}
.voce-icona p{margin:0}

.link-pagina{color:var(--viola-testo);text-decoration:none;font-weight:600}
.link-pagina:hover{text-decoration:underline}

/* hub: griglia di card verso le sottopagine */
a.hub-card{text-decoration:none;color:inherit;display:block;transition:border-color .15s ease}
a.hub-card:hover{border-color:var(--viola)}
a.hub-card h3{display:flex;justify-content:space-between;align-items:center;gap:10px;font-size:19px}
a.hub-card .freccia{color:var(--viola-testo);font-family:'Work Sans',sans-serif}
a.hub-card p{margin:6px 0 0;font-size:14.5px}

/* segnaposto / avviso bozza */
.segnaposto{color:#FF8A8A;font-style:italic}
.avviso-bozza{
  background:var(--avviso-sfondo);border:1px solid var(--avviso-bordo);border-left:4px solid var(--avviso);
  border-radius:10px;padding:16px 20px;margin-bottom:32px;color:#F3D998;font-size:14.5px;
}
.avviso-bozza strong{color:var(--avviso)}

/* ===== CORSI ===== */
.corsi-categoria{margin-bottom:42px}
.corsi-categoria h2{margin-bottom:18px}
.corsi-griglia{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:20px}
.corso-card{
  background:var(--fondo-pannello);border:1px solid var(--bordo);border-radius:var(--raggio);
  padding:22px;text-decoration:none;color:var(--inchiostro);display:flex;flex-direction:column;gap:8px;
}
.corso-card:hover{border-color:var(--viola)}
.corso-card .livello{font-size:12.5px;color:var(--viola-testo);text-transform:uppercase;letter-spacing:.05em}
.corso-card h3{margin-bottom:2px}
.corso-card p{font-size:14.5px;margin-bottom:0}
.corso-card .prezzo{margin-top:auto;font-weight:600;color:var(--inchiostro);padding-top:10px;border-top:1px solid var(--bordo)}

.corso-intestazione{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:22px}
.corso-tag{background:rgba(124,111,240,.14);color:var(--viola-testo);border-radius:99px;padding:6px 14px;font-size:13.5px;font-weight:600}
.corso-info-griglia{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;margin:28px 0}
.corso-info-voce{background:var(--fondo-pannello);border:1px solid var(--bordo);border-radius:10px;padding:14px 16px}
.corso-info-voce .etichetta{font-size:12.5px;color:var(--grigio);text-transform:uppercase;letter-spacing:.05em;margin-bottom:4px}
.corso-info-voce .valore{font-weight:600}
.corso-programma{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.corso-programma li{background:var(--fondo-pannello);border:1px solid var(--bordo);border-radius:10px;padding:12px 16px}

/* ===== card fotografiche (home, sotto l'hero) ===== */
.card-foto-griglia{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media(max-width:900px){.card-foto-griglia{grid-template-columns:1fr}}
.card-foto{
  position:relative;display:block;text-decoration:none;color:#fff;
  border-radius:var(--raggio);overflow:hidden;aspect-ratio:3/4;
  background-size:cover;background-position:center;
}
.card-foto::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(0deg, rgba(10,10,13,.92) 0%, rgba(10,10,13,.35) 55%, rgba(10,10,13,.05) 100%);
}
.card-foto-testo{position:absolute;left:0;right:0;bottom:0;padding:20px;z-index:1}
.card-foto-testo h3{
  font-size:16px;text-transform:uppercase;letter-spacing:.03em;margin-bottom:4px;
  display:flex;justify-content:space-between;align-items:center;gap:8px;color:#fff;
}
.card-foto-testo p{margin:0;font-size:13.5px;color:#D8D6E0}
.card-foto:hover .card-foto-testo h3{color:var(--viola-testo)}

/* ===== striscia con citazione ===== */
.striscia-citazione{
  border-top:1px solid var(--bordo);border-bottom:1px solid var(--bordo);
  padding:26px 0;
}
.striscia-citazione .wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:12px;text-align:center}
.striscia-citazione blockquote{margin:0;font-style:italic;font-size:15px;color:var(--grigio)}
.striscia-citazione cite{font-style:normal;color:var(--inchiostro);font-size:13px;margin-left:8px}

/* ===== CTA finale ===== */
.cta-finale{padding:70px 0}
.cta-card{background:linear-gradient(135deg,#241C57,#1C1740);border:1px solid var(--bordo);border-radius:20px;padding:44px;text-align:center}
.cta-card h2{margin-bottom:12px}
.cta-card p{max-width:56ch;margin:0 auto 24px;font-size:16.5px}

/* ===== FOOTER ===== */
footer{border-top:1px solid var(--bordo);padding:52px 0 26px;margin-top:40px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:36px;margin-bottom:36px}
.foot-grid h3{font-size:16px;font-family:'Work Sans',sans-serif;font-weight:600;margin-bottom:12px}
.foot-grid ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.foot-grid a{color:var(--grigio);text-decoration:none;font-size:14.5px}
.foot-grid a:hover{color:var(--inchiostro)}
.foot-legal{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;padding-top:22px;border-top:1px solid var(--bordo);font-size:13px;color:var(--grigio)}
.foot-legal a{color:var(--grigio)}
@media(max-width:820px){.foot-grid{grid-template-columns:1fr}}

/* ===== reveal allo scorrimento ===== */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .5s ease,transform .5s ease}
.reveal.vista{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none}}