/* Italia Polo Challenge — animation system (scroll reveal + nav) */

[data-anim] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
[data-anim].in {
  opacity: 1;
  transform: translateY(0);
}
[data-anim="img"] {
  transform: scale(1.04) translateY(20px);
}
[data-anim="img"].in {
  transform: scale(1) translateY(0);
}
[data-delay="1"] { transition-delay: 0.07s; }
[data-delay="2"] { transition-delay: 0.14s; }
[data-delay="3"] { transition-delay: 0.21s; }
[data-delay="4"] { transition-delay: 0.28s; }
[data-delay="5"] { transition-delay: 0.35s; }
[data-delay="6"] { transition-delay: 0.42s; }

@media (prefers-reduced-motion: reduce) {
  [data-anim] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* Mobile nav overlay */
.nav-overlay {
  position: fixed;
  inset: 0;
  background: #131B33;
  z-index: 200;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  padding: 32px;
  transform: translateY(-100%);
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}
.nav-overlay.open {
  transform: translateY(0);
}
.nav-overlay a {
  color: #F6F7F5;
  font-family: var(--font-display, 'Archivo Expanded'), sans-serif;
  font-weight: 700;
  text-transform: uppercase;
  font-size: clamp(28px, 8vw, 40px);
  letter-spacing: 0.02em;
  text-decoration: none;
  padding: 12px 0;
  border-bottom: 1px solid rgba(246, 247, 245, 0.12);
  width: 100%;
}
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  cursor: pointer;
  z-index: 201;
  background: none;
  border: none;
  padding: 8px;
}
.nav-hamburger span {
  display: block;
  height: 2px;
  width: 100%;
  background: currentColor;
  transition: transform 0.3s ease, opacity 0.3s ease;
}
.nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 860px) {
  .nav-hamburger { display: flex; }
  .nav-links { display: none; }
}

/* ---------- Logo IPC (header + footer) ---------- */
.brand img { display: block; height: 58px; width: auto; }
.footer-brand img { display: block; height: 64px; width: auto; }
.footer-id { display: flex; align-items: center; gap: 20px; }
.footer-logo { display: block; height: 46px; width: auto; }
.footer-id span { padding: 6px 0 6px 20px; margin-top: 12px; border-left: 1px solid rgba(255,255,255,0.18); }
.footer-id ~ .jd-credit { margin-top: 12px; }

/* ---------- Credito JD Studio ---------- */
.jd-credit { display: inline-flex; align-items: center; gap: 10px; color: rgba(246,247,245,0.6); text-decoration: none; font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; transition: color 0.3s ease; }
.jd-credit img { display: block; height: 40px; width: auto; opacity: 0.7; transition: opacity 0.3s ease; }
.jd-credit:hover { color: #fff; }
.jd-credit:hover img { opacity: 1; }

/* ---------- Loghi sponsor in loop ---------- */
.marquee { display: flex; overflow: hidden; gap: 0; -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); }
.marquee + .marquee { margin-top: 36px; }
.marquee-track { display: flex; align-items: center; flex-shrink: 0; gap: 64px; padding-right: 64px; animation: marquee 70s linear infinite; }
.marquee--reverse .marquee-track { animation-direction: reverse; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-track img { flex-shrink: 0; object-fit: contain; filter: grayscale(1) opacity(0.6); transition: filter 0.3s ease; }
.marquee-track img:hover { filter: grayscale(0) opacity(1); }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-100%); } }
@media (max-width: 700px) {
  .marquee-track { gap: 40px; padding-right: 40px; animation-duration: 50s; }
  .brand img { height: 44px; }
}