*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --black: #0a0a0a;
  --white: #ffffff;
  --gray-50: #fafafa;
  --gray-100: #f4f4f5;
  --gray-200: #e4e4e7;
  --gray-400: #a1a1aa;
  --gray-600: #52525b;
  --gray-800: #27272a;
  --accent: #0038d1;
  --accent-dark: #00226f;
  --accent-light: #e9f0ff;
  --accent-hover: #002ca8;
}

html { scroll-behavior: smooth; }
body { font-family: 'Inter', sans-serif; background: var(--white); color: var(--black); line-height: 1.6; }

/* NAV */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(255,255,255,0.95); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-200);
}
.nav-inner {
  max-width: 1200px; margin: 0 auto; padding: 0 24px;
  height: 66px; display: flex; align-items: center; justify-content: space-between;
}
.nav-logo { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.nav-logo img { height: 34px; width: auto; }
.nav-logo-text { font-size: 15px; font-weight: 700; color: var(--black); letter-spacing: 0.05em; text-transform: uppercase; }
.nav-links { display: flex; align-items: center; gap: 32px; list-style: none; }
.nav-links a { font-size: 13px; font-weight: 500; color: var(--gray-600); text-decoration: none; letter-spacing: 0.06em; text-transform: uppercase; transition: color 0.2s; }
.nav-links a:hover, .nav-links a.active { color: var(--black); }
.nav-links a.active { border-bottom: 2px solid var(--accent); padding-bottom: 2px; }
.nav-cta { background: var(--accent) !important; color: var(--white) !important; padding: 8px 18px; border-radius: 6px; border-bottom: none !important; }
.nav-cta:hover { background: var(--accent-hover) !important; }

/* DROPDOWN NAV */
.nav-dropdown { position: relative; }
.nav-dropdown > a { cursor: pointer; display: inline-flex; align-items: center; gap: 5px; }
.nav-dropdown > a::after { content: ''; width: 5px; height: 5px; border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor; transform: rotate(45deg); margin-top: -3px; }
.nav-dropdown-menu {
  position: absolute; top: calc(100% + 14px); left: 50%; transform: translateX(-50%) translateY(-6px); min-width: 190px;
  background: var(--white); border: 1px solid var(--gray-200); border-radius: 10px;
  box-shadow: 0 12px 32px rgba(0,0,0,0.1); padding: 6px;
  opacity: 0; visibility: hidden;
  transition: all 0.18s; list-style: none;
}
.nav-dropdown:hover .nav-dropdown-menu { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.nav-dropdown-menu li a {
  display: block; padding: 10px 14px; border-radius: 6px;
  font-size: 13px; text-transform: none; letter-spacing: 0.02em; border-bottom: none !important;
}
.nav-dropdown-menu li a:hover { background: var(--gray-100); color: var(--black); }

.mobile-sub { font-size: 11px !important; font-weight: 700 !important; color: var(--gray-400) !important; letter-spacing: 0.1em; text-transform: uppercase; padding-bottom: 4px !important; border-bottom: none !important; }
.mobile-menu a.mobile-sub-item { padding-left: 16px; }

.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px; }
.hamburger span { display: block; width: 22px; height: 2px; background: var(--black); border-radius: 2px; }

.mobile-menu { display: none; flex-direction: column; background: var(--white); padding: 16px 24px 24px; border-top: 1px solid var(--gray-200); }
.mobile-menu a { color: var(--gray-800); text-decoration: none; font-size: 15px; font-weight: 500; padding: 12px 0; border-bottom: 1px solid var(--gray-100); }
.mobile-menu.open { display: flex; }

/* PAGINA HEADER */
.page-header {
  background: linear-gradient(160deg, #d6e2ff 0%, #eaf0ff 40%, var(--gray-100) 100%);
  border-bottom: 1px solid #b9caf7;
  padding: 118px 24px 56px;
  text-align: center;
}
.page-header-label { font-size: 11px; font-weight: 700; letter-spacing: 0.15em; text-transform: uppercase; color: var(--accent); margin-bottom: 12px; }
.page-header h1 { font-size: clamp(32px, 5vw, 56px); font-weight: 900; color: var(--black); letter-spacing: -0.02em; margin-bottom: 12px; }
.page-header p { font-size: 16px; color: var(--gray-600); max-width: 480px; margin: 0 auto; }

/* CONTENUTO */
.page-content { max-width: 1200px; margin: 0 auto; padding: 64px 24px; }

/* BTN */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 12px 24px; border-radius: 8px; font-size: 14px; font-weight: 600; text-decoration: none; transition: all 0.2s; cursor: pointer; border: none; font-family: inherit; }
.btn-primary { background: var(--accent); color: var(--white); }
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-1px); }
.btn-outline { background: transparent; color: var(--black); border: 1px solid var(--gray-200); }
.btn-outline:hover { border-color: var(--black); }

/* FOOTER */
footer { background: var(--accent-dark); border-top: none; padding: 32px 24px; }
.footer-inner { max-width: 1200px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; }
.footer-brand { display: flex; align-items: center; gap: 10px; }
.footer-brand img { height: 34px; width: auto; }
.footer-brand span { font-size: 13px; font-weight: 600; color: rgba(255,255,255,0.85); text-transform: uppercase; letter-spacing: 0.06em; }
.footer-copy { font-size: 12px; color: rgba(255,255,255,0.5); }
.footer-social { display: flex; gap: 8px; }
.footer-social-btn { width: 52px; height: 52px; background: rgba(255,255,255,0.15); border-radius: 10px; display: flex; align-items: center; justify-content: center; color: rgba(255,255,255,0.6); text-decoration: none; transition: all 0.2s; overflow: hidden; }
.footer-social-btn:hover { background: rgba(255,255,255,0.28); }
.footer-social-btn img { width: 46px; height: 46px; object-fit: contain; }
.footer-contact { font-size: 12px; color: rgba(255,255,255,0.65); line-height: 1.7; }

@media (max-width: 768px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .page-content { padding: 48px 20px; }
}

/* SPONSOR SCORREVOLI */
.sponsor-strip { background: var(--white); border-top: 1px solid var(--gray-200); padding: 34px 0 38px; overflow: hidden; }
.sponsor-title { text-align: center; font-size: 11px; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase; color: var(--gray-400); margin-bottom: 26px; }
.sponsor-viewport { overflow: hidden; position: relative; }
.sponsor-viewport::before, .sponsor-viewport::after {
  content: ''; position: absolute; top: 0; bottom: 0; width: 90px; z-index: 2; pointer-events: none;
}
.sponsor-viewport::before { left: 0; background: linear-gradient(90deg, var(--white), transparent); }
.sponsor-viewport::after { right: 0; background: linear-gradient(270deg, var(--white), transparent); }
.sponsor-track { display: flex; align-items: center; gap: 72px; width: max-content; animation: sponsorScroll 28s linear infinite; }
.sponsor-strip:hover .sponsor-track { animation-play-state: paused; }
.sponsor-track img {
  height: 58px; width: auto; object-fit: contain; display: block;
  opacity: 0.9; transition: all 0.3s;
}
.sponsor-track img:hover { opacity: 1; transform: scale(1.06); }
@keyframes sponsorScroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
@media (max-width: 600px) {
  .sponsor-track { gap: 48px; animation-duration: 20s; }
  .sponsor-track img { height: 44px; }
}