* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 40px 20px;
  background: white;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #222;
}

.page-header {
  text-align: left;
  padding-left: 110px;
  margin-bottom: 32px;
}

.button-grid {
  max-width: 1400px;
  margin: 20px auto;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 40px;
  justify-items: center;
  justify-content: center;
}

.button-card {
  background: #ffffff;
  border-radius: 0px;
  border: 1px solid #dddddd;
  width: 260px;
  height: 260px;
  padding: 45px 25px;
  display: flex;
  justify-content: center;
  align-items: center;
  box-shadow: 0 4px 8px rgba(0,0,0,0.04);
}

.logo-btn {
  text-decoration: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.logo-mark {
  width: 220px;       
  height: 220px; 
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  border-radius: 0;
  transition: all 0.35s ease;
  box-shadow: none;
  background: transparent;
}

.logo-mark img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  pointer-events: none;
}

.logo-label {
  font-size: 1rem;
  font-weight: 600;
  color: #333;
}

.logo-btn:active .logo-mark {
  transform: translateY(2px) scale(0.96);
  box-shadow: 0 3px 8px rgba(0, 0, 0, 0.35);
}

.coca .logo-mark {
  background: white; 
  box-shadow: none; 
}

@keyframes coca-wiggle {
  0% { transform: rotate(0deg); }
  25% { transform: rotate(-6deg); }
  50% { transform: rotate(6deg); }
  75% { transform: rotate(-3deg); }
  100% { transform: rotate(0deg); }
}

.coca:hover .logo-mark {
  animation: coca-wiggle 0.4s ease-in-out;
  filter: brightness(1.1);
}

.apple .logo-mark {
  width: auto;
  height: auto;
  padding: 4px 10px;
  border-radius: 0; 
  background: transparent;
  box-shadow: none; 
  color: #111;
  font-size: 42px;
}

.apple:hover .logo-mark {
  transform: scale(1.1);
  background: white;
  color: black;
  box-shadow: 0 14px 30px rgba(0,0,0,0.4);
}

.ibm .logo-mark {
  width: 140px;
  height: 80px;
  border-radius: 8px;
  background: repeating-linear-gradient(
    to bottom,
    white,
    #0033a0 8px,
    white 8px,
    white 12px
  );
  color: #ffffff;
  font-size: 24px;
  letter-spacing: 0.18em;
  box-shadow: 0 6px 14px rgba(0,0,0,0.25);
}

.ibm:hover .logo-mark {
  transform: translateX(6px);
  filter: brightness(1.1);
}

.oldnavy .logo-mark img {
  width: 130px; 
  height: auto;
}

@keyframes oldnavy-bounce {
  0%   { transform: translateY(0); }
  35%  { transform: translateY(-10px); }
  60%  { transform: translateY(4px); }
  100% { transform: translateY(0); }
}

.oldnavy:hover .logo-mark {
  animation: oldnavy-bounce 0.4s ease-out;
}

.harley .logo-mark {
  background: white;
  border: 2px solid #f28c28;
  color: #f28c28;
  transform-style: preserve-3d;
}

.harley:hover .logo-mark {
  transform: rotateY(180deg);
}

.mkors .logo-mark {
  background: white;
  color: white;
  border: 1px solid #d2b48c;
}

@keyframes mkors-glow {
  0% { box-shadow: 0 8px 18px rgba(0,0,0,0.2); }
  50% { box-shadow: 0 0 25px rgba(210,180,140,0.9); }
  100% { box-shadow: 0 8px 18px rgba(0,0,0,0.2); }
}

.mkors:hover .logo-mark {
  animation: mkors-glow 0.6s ease-in-out;
}

.ideo .logo-mark {
  background: white;
  border: 3px solid #ff6f3c;
}

@keyframes ideo-bounce {
  0% { transform: translateY(0); }
  35% { transform: translateY(-12px); }
  60% { transform: translateY(4px); }
  100% { transform: translateY(0); }
}

.ideo:hover .logo-mark {
  animation: ideo-bounce 0.45s ease-out;
}

.nbc .logo-mark img {
  width: 130px; 
  height: auto;
}

.nbc:hover .logo-mark {
  transform: scale(1.1) rotate(8deg);
  filter: brightness(1.15);
}

.cartoon .logo-mark {
  background: white;
  color: black;
  border: 4px solid black;
  box-shadow: 6px 6px 0 black;
  border-radius: 20%;
}

.cartoon:hover .logo-mark {
  transform: translate(-4px, -4px) scale(1.1, 0.9);
  box-shadow: 10px 10px 0 black;
}

.tesla .logo-mark {
  background: white;
  border: 1px solid #c41e1e;
}

.tesla:hover .logo-mark {
  transform: translateY(-6px);
  box-shadow: 0 0 18px rgba(255, 45, 45, 0.9);
  border-color: #ff2d2d;
}