/* Reset */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  background-color: #fff;
  padding: 40px 20px;
}

h1 {
  text-align: left;
  color: #000;
  margin-bottom: 40px;
  font-size: 2em;
  font-weight: bold;
  padding-left: 15px;
}

/* Layout */
.button-container {
  width: 200px;
  height: 200px;
  margin: 10px;
  display: inline-block;
  position: relative;
  vertical-align: top;
}

.button {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  text-decoration: none;
  color: inherit;
  width: 100%;
  height: 100%;
  border-radius: 15px;
  transition: all 0.3s ease;
  text-align: center;
}

.button i {
  font-size: 64px;
}

/* Coca-Cola */
.coca-cola-btn {
  background: #F40009;
  color: #fff;
}
.coca-cola-btn:hover {
  transform: scale(1.08);
  box-shadow: 0 4px 10px rgba(244, 0, 9, 0.4);
}

/* Apple */
.apple-btn {
  background: #f5f5f7;
  color: #1d1d1f;
}
.apple-btn:hover {
  transform: scale(1.08);
  color: #06c;
}

/* Harley-Davidson */
.harley-btn {
  background: #FF6B00;
  color: #000;
}
.harley-btn:hover {
  background: #000;
  color: #FF6B00;
  transform: scale(1.08);
}

/* Nike */
.nike-btn {
  background: #fff;
  color: #000;
}
.nike-btn:hover {
  transform: scale(1.1);
  color: #FF6B00;
}

/* Cartoon Network */
.cartoon-btn {
  background: #fff;
  color: #000;
  border: 3px solid #000;
}
.cartoon-btn:hover {
  background: #000;
  color: #fff;
}

/* The Color Run */
.colorrun-btn {
  background: linear-gradient(90deg, #FF0080, #FF8C00, #FFD700, #00FF00, #00CED1, #9400D3);
  color: #fff;
}
.colorrun-btn:hover {
  transform: scale(1.08);
  filter: brightness(1.2);
}

/* Instagram */
.instagram-btn {
  background: linear-gradient(45deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888);
  color: #fff;
}
.instagram-btn:hover {
  transform: scale(1.08);
  box-shadow: 0 5px 12px rgba(188, 24, 136, 0.5);
}

/* NPR */
.npr-btn {
  background: #fff;
  color: #000;
  border: 3px solid #000;
}
.npr-btn:hover {
  background: #000;
  color: #fff;
}

/* Tesla */
.tesla-btn {
  background: #E82127;
  color: #fff;
}
.tesla-btn:hover {
  background: #fff;
  color: #E82127;
  border: 3px solid #E82127;
  transform: scale(1.08);
}

/* Old Navy */
.oldnavy-btn {
  background: #002868;
  color: #fff;
  border: 3px solid #BF0A30;
}
.oldnavy-btn:hover {
  background: #BF0A30;
  border-color: #002868;
  transform: scale(1.08);
}

/* Text */
.btn-text {
  font-weight: 600;
  font-size: 0.9em;
}

/* Responsive */
@media (max-width: 1000px) {
  .button-container {
    width: 180px;
    height: 180px;
  }
}

@media (max-width: 600px) {
  .button-container {
    width: 160px;
    height: 160px;
  }
  .button i {
    font-size: 48px;
  }
}