/* INSport – Stile CHIARO, semplice e leggibile (mobile-first) */
:root{
  /* Palette chiara e ad alto contrasto */
  --bg:#ffffff;           /* sfondo pagina */
  --fg:#161616;           /* testo principale */
  --muted:#5a5a5a;        /* testo secondario */
  --acc:#2563eb;          /* blu accessibile (accento) */
  --card:#ffffff;         /* sfondo card/box */
  --line:#e6e6ee;         /* linee e bordi */
  --ok:#1e874b;           /* verde success */
  --err:#c0392b;          /* rosso error */

  --radius:14px;
  --space:clamp(14px,2.2vw,24px);
  --w:1120px;

  --shadow:0 6px 18px rgba(10, 20, 60, .06);
}

*{box-sizing:border-box}
html,body{
  padding:0;margin:0;
  background:var(--bg); color:var(--fg);
  font: 400 17px/1.65 system-ui, -apple-system, "Segoe UI", Roboto, Arial, "Helvetica Neue";
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border-radius:var(--radius)}
a{color:var(--acc);text-decoration:underline}
a:hover{opacity:.9}
h1,h2,h3{line-height:1.25;margin:0 0 .5em;color:#0f172a}
h1{font-size:clamp(30px,4.5vw,44px)}
h2{font-size:clamp(22px,3.2vw,34px)}
h3{font-size:clamp(18px,2.3vw,22px)}
p{margin:0 0 1em}
strong{font-weight:700}
small{color:var(--muted)}
.sr-only{position:absolute;clip:rect(0 0 0 0);clip-path:inset(50%);width:1px;height:1px;overflow:hidden;white-space:nowrap}

/* Header e navigazione */
.site-header{
  position:sticky;top:0;z-index:50;
  background:#ffffffcc;backdrop-filter:saturate(160%) blur(6px);
  border-bottom:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
  padding:10px var(--space);
}
.brand{
  font-weight:800; letter-spacing:.5px; font-size:20px;
  color:#0f172a; text-decoration:none;
}
.nav{display:flex;gap:6px;align-items:center}
.nav a{
  text-decoration:none; color:#0f172a;
  padding:10px 12px;border-radius:10px;border:1px solid transparent
}
.nav a[aria-current="page"], .nav a.active{
  background:#f3f6ff;border-color:#dbe6ff
}
.nav-toggle{
  display:inline-flex;align-items:center;justify-content:center;
  font-size:22px;border:1px solid var(--line);
  background:#fff;color:#0f172a;border-radius:10px;padding:8px;cursor:pointer
}
@media(min-width:980px){.nav-toggle{display:none}}

/* Layout pagina */
#content{max-width:var(--w);margin:0 auto;padding:calc(var(--space)*1.2) var(--space)}
.hero{display:grid;gap:var(--space);align-items:center}
.hero__media{order:-1}
.hero__content p{color:var(--muted)}
.accent{color:var(--acc)}
.cta{display:flex;gap:10px;margin-top:14px;flex-wrap:wrap}

/* Bottoni chiari e leggibili */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  border:1px solid #cfe0ff;background:var(--acc);color:#fff;
  padding:12px 18px;border-radius:12px;font-weight:700;box-shadow:var(--shadow);
  text-decoration:none
}
.btn--ghost{
  background:#ffffff;border:1px solid var(--line);color:#0f172a
}

/* Cards / sezioni */
.cards{display:grid;grid-template-columns:1fr;gap:var(--space);margin:34px 0}
.card{
  background:var(--card);padding:18px;border-radius:var(--radius);
  border:1px solid var(--line);box-shadow:var(--shadow)
}
.strip{
  margin:34px 0;padding:18px;border:1px solid var(--line);
  border-radius:var(--radius);background:#f8fafc
}

/* Sedi */
.loc__grid{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:1fr;gap:var(--space)}
.loc__item{
  border:1px solid var(--line);background:var(--card);padding:16px;border-radius:var(--radius);
  box-shadow:var(--shadow)
}

/* Pagine interne */
.page{max-width:var(--w);margin:0 auto}
.muted{color:var(--muted)}

/* Tabella corsi – chiara + zebra + mobile “a schede” */
.table{display:grid;border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#fff}
.t-row{display:grid;grid-template-columns:1.2fr .5fr .6fr 1fr .9fr;border-top:1px solid var(--line)}
.t-row>div{padding:12px}
.t-head{background:#f1f5ff;font-weight:700;border-top:none}
.t-row:nth-child(even){background:#fcfcff}

/* Mobile: ogni riga diventa una scheda leggibile */
@media(max-width:640px){
  .t-row{grid-template-columns:1fr;border-top:1px solid var(--line)}
  .t-row>div{padding:10px 12px;border-top:1px dashed #edf2ff}
  .t-head{display:none}
  .t-row>div:nth-child(1)::before{content:"Corso: ";font-weight:700;color:#0f172a}
  .t-row>div:nth-child(2)::before{content:"Età: ";font-weight:700}
  .t-row>div:nth-child(3)::before{content:"Livello: ";font-weight:700}
  .t-row>div:nth-child(4)::before{content:"Giorni e orario: ";font-weight:700}
  .t-row>div:nth-child(5)::before{content:"Sede: ";font-weight:700}
  .t-row{background:#fff;border-radius:12px;margin-bottom:10px;box-shadow:var(--shadow)}
}

/* Liste con check */
.check{list-style:none;padding:0;margin:0;display:grid;gap:8px}
.check li{padding-left:28px;position:relative}
.check li:before{content:"✓";position:absolute;left:0;top:0;color:var(--ok)}

/* Team */
.team{display:grid;grid-template-columns:1fr;gap:var(--space)}
.coach{
  background:var(--card);border:1px solid var(--line);padding:14px;border-radius:var(--radius);box-shadow:var(--shadow)
}

/* News */
.news{border:1px solid var(--line);border-radius:12px;padding:14px;margin-bottom:12px;background:#fff;box-shadow:var(--shadow)}

/* Form contatti */
.hp{display:none}
.alert{padding:12px;border-radius:12px;margin:12px 0}
.alert--ok{background:#e8f6ee;border:1px solid #bfe3cf;color:#184e2f}
.alert--err{background:#fdeaea;border:1px solid #f5cccc;color:#7a1d16}
.form{display:grid;gap:12px;max-width:720px}
label{display:grid;gap:6px}
input,textarea{
  background:#fff;border:1px solid #cfd6e1;border-radius:12px;padding:12px;color:#0f172a;
  box-shadow:0 1px 0 rgba(0,0,0,.03)
}
input:focus,textarea:focus{outline:2px solid #bcd2ff;outline-offset:1px}

/* Footer */
.site-footer{
  display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:16px;
  border-top:1px solid var(--line);background:#fafbff;padding:16px var(--space);color:#0f172a
}
.footer__brand{display:grid;gap:4px}
.footer__links{display:flex;gap:12px}
.footer__links a{text-decoration:none;color:#0f172a;border:1px solid var(--line);padding:8px 10px;border-radius:10px;background:#fff}
.footer__links a:hover{background:#f3f6ff}

/* Griglie desktop */
@media(min-width:860px){
  .hero{grid-template-columns:1.05fr .95fr}
  .cards{grid-template-columns:repeat(3,1fr)}
  .loc__grid{grid-template-columns:repeat(3,1fr)}
  .team{grid-template-columns:repeat(3,1fr)}
}

/* Accessibilità */
.nav a:focus,.btn:focus,input:focus,textarea:focus{outline:2px solid #94b6ff;outline-offset:2px;border-radius:12px}