html, body {
  margin: 0;
  padding: 0;
  overflow-x: hidden;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: #fff;
}

.page-header h1 {
  font-size: 36px;
  font-weight: 800;
  margin: 50px 0 40px;
  text-align: left;
  padding-left: 40px;
}

.wrap {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px 100px;
  box-sizing: border-box;
}

.tile {
  border: 1px solid #ddd;
  background: #fff;
  aspect-ratio: 1 / 1;
  width: 290px;             
  height: 290px;         
  display: flex;
  align-items: center;     
  justify-content: center; 
  box-sizing: border-box;
}

.logo {
  display: flex;            
  align-items: center;      
  justify-content: center; 
  width: 100%;
  height: 100%;
}

.logo img {
  max-width: 45%;         
  height: auto;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.tiles {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 15px;
  justify-content: start;    
  margin-left: -120px;        
  padding-top: 20px;
  width: fit-content;         
}

.logo:hover img,
.logo:focus img {
  transform: scale(1.1);
  filter: drop-shadow(0 6px 12px rgba(0,0,0,0.25));
}

.tiles .tile:nth-child(5) .logo img, 
.tiles .tile:nth-child(7) .logo img, 
.tiles .tile:nth-child(9) .logo img { 
  width: 65%;
}


@media (max-width: 1100px) {
  .tiles { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 820px) {
  .tiles { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 520px) {
  .tiles { grid-template-columns: 1fr; }
}



.tiles .tile:nth-child(2) .logo {
  position: relative;
}

.tiles .tile:nth-child(2) .logo img {
  transition: opacity 0.3s ease-in-out;
  position: relative;
  z-index: 1; 
}

.tiles .tile:nth-child(2) .logo::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("../images/lyft-logo-pink.png");
  background-size: 45%;
  background-repeat: no-repeat;
  background-position: center;
  opacity: 0;
  transition: opacity 0.3s ease-in-out;
  z-index: 2;
}

.tiles .tile:nth-child(2) .logo:hover::after {
  opacity: 1;
}

.tiles .tile:nth-child(2) .logo:hover img {
  opacity: 0;
}

.tiles .tile:nth-child(3) .logo img {
  transition: transform 0.25s ease-out;
}

.tiles .tile:nth-child(3) .logo:hover img {
  transform: translateY(-28px);
}



.tiles .tile:nth-child(4) .logo img {
  transition: transform 0.3s ease, filter 0.4s ease;
}

.tiles .tile:nth-child(4) .logo:hover img {
  transform: scale(1.1);
  filter: drop-shadow(0 0 20px rgba(255, 102, 204, 0.6))
          drop-shadow(0 0 40px rgba(255, 204, 102, 0.4));
}



.tiles .tile:nth-child(5) .logo img {
  transition: transform 0.4s ease;
}

.tiles .tile:nth-child(5) .logo:hover img {
  transform: rotate(-8deg) scale(1.1);
}



@keyframes oldNavyPulse {
  0%, 100% {
    transform: scale(1);
    filter: brightness(1);
  }
  50% {
    transform: scale(1.12);
    filter: brightness(1.3);
  }
}

.tiles .tile:nth-child(6) .logo img {
  transition: transform 0.3s ease, filter 0.3s ease;
}

.tiles .tile:nth-child(6) .logo:hover img {
  animation: oldNavyPulse 0.8s ease-in-out infinite;
}


.tiles .tile:nth-child(8) .logo img {
  transition: transform 0.8s ease, filter 0.4s ease;
}

.tiles .tile:nth-child(8) .logo:hover img {
  transform: rotate(360deg) scale(1.05);
  filter: drop-shadow(0 0 15px rgba(0, 100, 255, 0.6));
}

.tiles .tile:nth-child(9) .logo img {
  transition: filter 0.5s ease, transform 0.5s ease;
}

.tiles .tile:nth-child(9) .logo:hover img {
  filter: blur(2px) brightness(1.3);
  transform: scale(1.1);
}

.tiles .tile:nth-child(9) .logo:hover img {
  filter: blur(2px) brightness(1.3) drop-shadow(0 0 10px rgba(255, 0, 0, 0.4));
  transform: scale(1.1);
}



.tiles .tile:nth-child(10) .logo img {
  transition: transform 0.6s ease, filter 0.6s ease;
  transform-origin: center;
}

.tiles .tile:nth-child(10) .logo:hover img {
  transform: scaleX(1.2);
  filter: brightness(1.4) contrast(1.2);
}



.tiles .tile:nth-child(1) .logo {
  position: relative;
  overflow: hidden;
}

.tiles .tile:nth-child(1) .logo::after {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 80%;
  height: 100%;
  background: linear-gradient(
    120deg,
    rgba(255, 255, 255, 0) 0%,
    rgba(255, 255, 255, 0.6) 50%,
    rgba(255, 255, 255, 0) 100%
  );
  transition: left 0.8s ease;
}

.tiles .tile:nth-child(1) .logo:hover::after {
  left: 120%;
}

.tiles .tile:nth-child(1) .logo img {
  transition: transform 0.5s ease;
}

.tiles .tile:nth-child(1) .logo:hover img {
  transform: scale(1.05);
}