.clear-btn {
  background-color: #fff;
  display: inline-block;
  color: #000;
  padding: 18px 50px;
  border: 0;
  font-size: 1.2rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: 50px;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 2px 6px rgba(65, 63, 63, 0.35);
  position: relative;
  overflow: hidden;
  z-index: 1;
  cursor: pointer;
}
.clear-btn:hover {
  background-color: #eee;
}

.secondary-btn {
  display: inline-block;
  background: #eee;
  color: #000;
  padding: 18px 50px;
  font-size: 1.2rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: 50px;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 8px 25px rgba(32, 31, 31, 0.35);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.gold-btn {
  display: inline-block;
  background: linear-gradient(
    135deg,
    #f6e27a 0%,
    #f1c232 35%,
    #d4a017 65%,
    #b38b00 100%
  );
  color: #3a2a00;
  padding: 18px 50px;
  font-size: 1.2rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: 50px;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow:
    0 10px 25px rgba(179, 139, 0, 0.45),
    inset 0 1px 0 rgba(255, 255, 255, 0.6);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

/* shine sweep */
.gold-btn::before {
  content: "";
  position: absolute;
  top: 0;
  left: -75%;
  width: 50%;
  height: 100%;
  background: linear-gradient(
    120deg,
    transparent,
    rgba(255, 255, 255, 0.55),
    transparent
  );
  transform: skewX(-25deg);
  transition: left 0.6s ease;
}

.gold-btn:hover::before {
  left: 130%;
}

.gold-btn:hover {
  transform: translateY(-2px);
  box-shadow:
    0 14px 35px rgba(179, 139, 0, 0.6),
    inset 0 1px 0 rgba(255, 255, 255, 0.75);
}

.gold-btn:active {
  transform: translateY(0);
  box-shadow:
    0 6px 15px rgba(179, 139, 0, 0.45),
    inset 0 3px 6px rgba(0, 0, 0, 0.25);
}

.grey-btn {
  display: inline-block;
  background: linear-gradient(
    135deg,
    #f5f5f5 0%,
    #e0e0e0 40%,
    #cfcfcf 70%,
    #bdbdbd 100%
  );
  color: #333;
  padding: 18px 50px;
  font-size: 1.2rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: 50px;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow:
    0 10px 25px rgba(0, 0, 0, 0.25),
    inset 0 1px 0 rgba(255, 255, 255, 0.7);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

/* subtle shine */
.grey-btn::before {
  content: "";
  position: absolute;
  top: 0;
  left: -75%;
  width: 50%;
  height: 100%;
  background: linear-gradient(
    120deg,
    transparent,
    rgba(255, 255, 255, 0.45),
    transparent
  );
  transform: skewX(-25deg);
  transition: left 0.6s ease;
}

.grey-btn:hover::before {
  left: 130%;
}

.grey-btn:hover {
  transform: translateY(-2px);
  box-shadow:
    0 14px 35px rgba(0, 0, 0, 0.35),
    inset 0 1px 0 rgba(255, 255, 255, 0.85);
}

.grey-btn:active {
  transform: translateY(0);
  box-shadow:
    0 6px 15px rgba(0, 0, 0, 0.25),
    inset 0 3px 6px rgba(0, 0, 0, 0.25);
}

.cta-button {
  display: inline-block;
  background: var(--gradient-secondary);
  color: var(--white);
  padding: 18px 50px;
  font-size: 1.2rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: 50px;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 8px 25px rgba(255, 107, 107, 0.35);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.cta-button::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.3),
    transparent
  );
  transition: left 0.6s ease;
}

.cta-button:hover::before {
  left: 100%;
}

.cta-button:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 12px 35px rgba(255, 107, 107, 0.45);
  background: linear-gradient(135deg, #ff4757 0%, #ff6348 100%);
}