/* ===== BUTTONS ===== */
.btn {
  display: inline-block;
  padding: 14px 42px;
  border: none;
  border-radius: 50px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-family: var(--font-sans);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.4);
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.btn:active::before {
  animation: ripple 0.6s ease-out;
}

@keyframes ripple {
  0% {
    width: 0;
    height: 0;
    opacity: 1;
  }
  20% {
    opacity: 0.85;
  }
  40% {
    opacity: 0.6;
  }
  70% {
    opacity: 0.2;
  }
  100% {
    width: 350px;
    height: 350px;
    opacity: 0;
  }
}

@keyframes premiumGlow {
  0%, 100% {
    box-shadow: 0 8px 25px rgba(114, 47, 55, 0.25), 0 0 25px rgba(212, 175, 55, 0.08);
    filter: brightness(1);
  }
  50% {
    box-shadow: 0 8px 25px rgba(114, 47, 55, 0.28), 0 0 35px rgba(212, 175, 55, 0.15);
    filter: brightness(1.02);
  }
}

@keyframes subtleShake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-1px); }
  40% { transform: translateX(1px); }
  60% { transform: translateX(-0.5px); }
  80% { transform: translateX(0.5px); }
}

@keyframes luxeShimmer {
  0%, 100% {
    box-shadow: 
      0 8px 25px rgba(114, 47, 55, 0.25), 
      0 0 25px rgba(212, 175, 55, 0.08),
      inset 0 0 15px rgba(255, 255, 255, 0);
  }
  50% {
    box-shadow: 
      0 8px 25px rgba(114, 47, 55, 0.28), 
      0 0 35px rgba(212, 175, 55, 0.15),
      inset 0 0 15px rgba(255, 255, 255, 0.08);
  }
}

@keyframes shimmerPass {
  0% {
    background-position: -200% center;
  }
  100% {
    background-position: 200% center;
  }
}

@keyframes floating {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-12px);
  }
}

.btn--primary {
  background: linear-gradient(135deg, var(--accent-wine) 0%, var(--accent-plum) 100%);
  color: #fff;
  box-shadow: 0 8px 25px rgba(114, 47, 55, 0.25), 0 0 25px rgba(212, 175, 55, 0.08);
  transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.btn--primary:hover {
  background: linear-gradient(135deg, var(--accent-plum) 0%, var(--accent-wine) 100%);
  box-shadow: 0 12px 35px rgba(114, 47, 55, 0.45), 0 0 40px rgba(212, 175, 55, 0.25);
  transform: translateY(-2px);
}

.btn--primary:active {
  transform: translateY(0);
  box-shadow: 0 5px 15px rgba(114, 47, 55, 0.3), 0 0 20px rgba(212, 175, 55, 0.15);
}

.btn--secondary {
  background: transparent;
  color: var(--primary-color);
  border: 2.5px solid var(--primary-color);
  transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.btn--secondary:hover {
  background: var(--primary-color);
  color: #fff;
  border-color: var(--primary-color);
  box-shadow: 0 8px 25px rgba(139, 90, 60, 0.25), 0 0 20px rgba(139, 90, 60, 0.1);
  transform: translateY(-2px);
}

.btn--secondary:active {
  transform: translateY(0);
  box-shadow: 0 3px 10px rgba(139, 90, 60, 0.15);
}