/* quizpatentesubito.it - own identity, layered on the shared stylesheet.
   Teal and graphite instead of the blue of the .com site, serif headings,
   flatter corners: the two sites should not look like the same page. */
:root{
  --blue:#0f766e; --blue-d:#115e59; --blue-l:#d6f3ee;
  --ink:#10212b; --body:#39505c; --mute:#6b8391;
  --line:#dbe6e5; --bg:#ffffff; --soft:#f2f7f6;
  --radius:10px; --radius-s:6px;
  --shadow:0 1px 2px rgba(15,50,45,.06),0 10px 26px -16px rgba(15,50,45,.35);
  --font:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --serif:Georgia,"Iowan Old Style","Times New Roman",serif;
  --ink-dark:#0b1f26;
}
h1,h2,h3,.brand-txt{font-family:var(--serif);letter-spacing:-.01em}
h1{font-size:clamp(1.9rem,1.2rem + 2.4vw,3rem);line-height:1.15}

.it-head{position:sticky;top:0;z-index:20;background:var(--ink-dark);
  border-bottom:3px solid var(--blue)}
.it-head-in{display:flex;align-items:center;justify-content:space-between;
  gap:16px;padding:10px 0;flex-wrap:wrap}
.it-head .brand{display:inline-flex;align-items:center;gap:11px;
  text-decoration:none;color:#fff;font-weight:600;font-size:1.12rem;min-width:0}
.it-head .brand svg{display:block;flex:0 0 auto}
.brand-txt{color:#fff}
.brand-txt b{color:#6ee7d7;font-weight:700}
.brand-tld{color:#8fb3ad;font-weight:400}
.it-nav ul{display:flex;gap:4px;list-style:none;margin:0;padding:0;flex-wrap:wrap}
.it-nav a{display:inline-block;padding:7px 12px;border-radius:999px;
  color:#cfe6e2;text-decoration:none;font-size:.95rem}
.it-nav a:hover{background:#16333c;color:#fff}
.it-nav a[aria-current]{background:var(--blue);color:#fff}
@media (max-width:430px){
  .it-head .brand{font-size:.98rem;gap:8px}
  .it-head .brand svg{width:26px;height:26px}
  .it-nav a{padding:6px 9px;font-size:.88rem}
}

.hero{background:linear-gradient(175deg,#eef6f4 0%,#fff 70%);
  border-bottom:1px solid var(--line)}
.lede{font-size:1.09rem;max-width:62ch}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.hero-stats .stat{flex:1 1 130px;background:#fff;border:1px solid var(--line);
  border-left:4px solid var(--blue);border-radius:var(--radius-s);
  padding:12px 14px;box-shadow:var(--shadow)}
.hero-stats .stat b{display:block;font-family:var(--serif);font-size:1.55rem;
  line-height:1.1;color:var(--ink)}
.hero-stats .stat span{color:var(--mute);font-size:.86rem}

.sec.alt{background:var(--soft)}
.prose h2{margin-top:2em}
.prose h2::after{content:"";display:block;width:46px;height:3px;margin-top:10px;
  background:var(--blue);border-radius:2px}
.prose h3{margin-top:1.6em}
.btn-p{box-shadow:0 6px 18px -8px rgba(15,118,110,.75)}

/* cards used by the section indexes and the home page */
.it-cards{list-style:none;margin:22px 0 0;padding:0;display:grid;gap:14px;
  grid-template-columns:repeat(auto-fill,minmax(260px,1fr))}
.it-card a{display:block;height:100%;padding:16px 18px;background:#fff;
  border:1px solid var(--line);border-top:3px solid var(--blue);
  border-radius:var(--radius-s);text-decoration:none;color:inherit;
  box-shadow:var(--shadow)}
.it-card a:hover{border-color:var(--blue)}
.it-card h3{margin:0 0 6px;font-size:1.12rem;color:var(--ink)}
.it-card p{margin:0 0 10px;font-size:.95rem;color:var(--body)}
.it-more{color:var(--blue-d);font-weight:600;font-size:.92rem}

/* a sign with its caption, used inside the theory lessons */
.sign-grid{display:grid;gap:18px;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));
  margin:22px 0;padding:0;list-style:none}
.sign{background:#fff;border:1px solid var(--line);border-radius:var(--radius-s);
  padding:14px;text-align:center}
.sign img{width:96px;height:96px;object-fit:contain}
.sign b{display:block;margin:8px 0 4px;font-size:.98rem;color:var(--ink)}
.sign span{display:block;font-size:.88rem;color:var(--body);line-height:1.45}

.it-foot{margin-top:52px;padding:32px 0;background:var(--ink-dark);color:#b9cdc9;
  font-size:.94rem}
.it-foot p{margin:0 0 9px;max-width:70ch}
.it-foot strong{color:#fff}
.it-foot a{color:#6ee7d7}
.it-foot .c-meta{color:#7f9b96}
.crumbs{padding-top:16px}