:root{
  --bg:#090d10;
  --bg2:#11181d;
  --card:#121a20;
  --line:rgba(255,255,255,.08);
  --text:#f2f6f7;
  --muted:#b1bcc1;
  --green:#80ff20;
  --shadow:0 18px 40px rgba(0,0,0,.28);
  --radius:24px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Barlow", Arial, sans-serif;
  line-height:1.55;
}
img{display:block;max-width:100%}
a{text-decoration:none;color:inherit}
.container{width:min(1160px, calc(100% - 32px));margin:0 auto}

.site-header{
  position:sticky;top:0;z-index:20;
  background:rgba(9,13,16,.84);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav{
  min-height:78px; display:flex; align-items:center; justify-content:space-between; gap:20px;
}
.brand img{height:66px;width:auto;max-width:190px;object-fit:contain}
nav{display:flex; gap:20px; align-items:center; flex-wrap:wrap}
nav a{font-weight:700; color:var(--muted)}
nav a:hover{color:var(--text)}
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding:14px 22px; border-radius:999px; background:var(--green); color:#081100;
  font-weight:800;
}
.btn-secondary{background:transparent;color:var(--text);border:1px solid rgba(255,255,255,.18)}
.btn-small{padding:10px 16px}

.hero{padding:72px 0 44px;background:
radial-gradient(circle at 10% 10%, rgba(128,255,32,.12), transparent 26%),
radial-gradient(circle at 90% 20%, rgba(128,255,32,.08), transparent 20%)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:34px;align-items:center}
h1,h2{line-height:1.05;margin:0 0 14px}
h1{font-size:clamp(2.4rem, 7vw, 5rem)}
h2{font-size:clamp(1.8rem, 4vw, 3rem)}
.lead,.section-intro,p{color:var(--muted);font-size:1.06rem}
.section{padding:84px 0}
.section-dark{background:var(--bg2)}
.section-label{
  color:var(--green);font-weight:800;letter-spacing:1px;text-transform:uppercase;
  margin:0 0 12px;font-size:.85rem
}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin:28px 0}
.chips{display:flex;gap:10px;flex-wrap:wrap}
.chips span{
  padding:10px 14px;border-radius:999px;background:rgba(255,255,255,.05);
  border:1px solid var(--line);font-weight:700
}
.hero-photo img,
.photo-column img,
.bike-card img,
.gallery-clean img,
.contact-card,
.sponsor-box{
  border-radius:var(--radius);
}
.hero-photo img,
.photo-column img,
.bike-card img,
.gallery-clean img{
  width:100%;
  height:auto;
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  background:#0b0f12;
}
.split{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:center}
.reverse{grid-template-columns:1fr 1fr}
.check-list{padding-left:18px;color:var(--muted)}
.check-list li{margin:10px 0}

.bike-grid{
  display:grid;
  grid-template-columns:1.3fr .85fr .85fr;
  gap:18px;
  margin-top:24px;
}
.bike-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:12px;
}
.bike-card.large img{aspect-ratio:16/10;object-fit:contain}
.bike-card img{aspect-ratio:4/3;object-fit:contain}

.supermoto-frame{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:14px;
}
.note{font-size:.92rem;color:#9fb0b8;margin-top:12px}

.sponsor-box{
  background:var(--card);
  border:1px solid var(--line);
  padding:28px;
  box-shadow:var(--shadow);
}
.gallery-wrap{padding-top:72px}
.gallery-clean{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:18px;
  margin-top:22px;
}
.gallery-clean img{
  aspect-ratio:4/3;
  object-fit:contain;
  padding:8px;
}
.contact-box{
  display:grid;
  grid-template-columns:1fr .85fr;
  gap:24px;
  align-items:center;
}
.contact-card{
  background:var(--card);
  border:1px solid var(--line);
  padding:26px;
  box-shadow:var(--shadow);
}
.contact-card a{color:var(--green)}
.site-footer{
  border-top:1px solid var(--line);
  color:var(--muted);
  padding:22px 0 34px;
}
.footer-inner{
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap
}

@media (max-width: 980px){
  .hero-grid,.split,.bike-grid,.contact-box{grid-template-columns:1fr}
  .gallery-clean{grid-template-columns:1fr}
  nav{display:none}
}


.legal-page{max-width:900px}
.legal-page h1{font-size:clamp(2rem,5vw,3.4rem);margin-bottom:10px}
.legal-page h2{font-size:1.45rem;margin-top:34px}
.legal-page p,.legal-page li{color:var(--muted)}
.legal-page a{color:var(--green)}


/* Sponsor ufficiali */
.sponsor-section{
  position:relative;
  overflow:hidden;
  background:
    radial-gradient(circle at 0% 15%, rgba(128,255,32,.10), transparent 28%),
    radial-gradient(circle at 100% 85%, rgba(32,94,255,.12), transparent 30%),
    var(--bg);
}
.sponsor-heading{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:28px;
}
.sponsor-heading > div:first-child{max-width:760px}
.sponsor-badge{
  flex:0 0 auto;
  padding:12px 18px;
  border-radius:999px;
  border:1px solid rgba(128,255,32,.34);
  color:var(--green);
  font-weight:800;
  letter-spacing:1px;
  background:rgba(128,255,32,.07);
}
.sponsor-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:22px;
}
.sponsor-card{
  overflow:hidden;
  border-radius:26px;
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  background:var(--card);
  transition:transform .2s ease,border-color .2s ease;
}
.sponsor-card:hover{
  transform:translateY(-4px);
  border-color:rgba(128,255,32,.28);
}
.sponsor-logo-wrap{
  height:290px;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:20px;
}
.sponsor-card-dark .sponsor-logo-wrap{background:#050608}
.sponsor-card-blue .sponsor-logo-wrap{
  background:linear-gradient(145deg,#05084c,#101778);
}
.sponsor-logo-wrap img{
  width:100%;
  height:100%;
  object-fit:contain;
  border-radius:16px;
}
.sponsor-info{
  padding:20px 22px 24px;
  border-top:1px solid var(--line);
}
.sponsor-info h3{margin-bottom:6px}
.sponsor-info p{margin:0;font-size:.98rem}
.sponsor-cta{
  margin-top:24px;
  padding:24px 26px;
  border-radius:24px;
  border:1px solid var(--line);
  background:linear-gradient(135deg,rgba(128,255,32,.08),rgba(255,255,255,.02));
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:22px;
}
.sponsor-cta h3{margin-bottom:6px}
.sponsor-cta p{margin:0}
.sponsor-strip{
  border-top:1px solid var(--line);
  background:#070a0c;
  padding:20px 0;
}
.sponsor-strip-inner{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:28px;
  flex-wrap:wrap;
}
.sponsor-strip-title{
  color:var(--muted);
  font-size:.84rem;
  font-weight:800;
  letter-spacing:1px;
  text-transform:uppercase;
}
.sponsor-strip img{
  width:150px;
  height:72px;
  object-fit:contain;
  border-radius:10px;
  background:#080a0e;
}
@media (max-width:980px){
  .sponsor-grid{grid-template-columns:1fr}
  .sponsor-heading{align-items:flex-start;flex-direction:column}
  .sponsor-logo-wrap{height:250px}
}
@media (max-width:640px){
  .sponsor-cta{align-items:flex-start;flex-direction:column}
  .sponsor-logo-wrap{height:210px;padding:12px}
  .sponsor-strip img{width:128px;height:62px}
}

@media (max-width:640px){.brand img{height:54px;max-width:145px}.nav{min-height:70px}}