html {
  scroll-behavior: smooth;
}

/* Custom modern scrollbars */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: #0a0a0a;
}
::-webkit-scrollbar-thumb {
  background: #2c2c2e;
  border-radius: 4px;
  border: 1px solid rgba(255, 255, 255, 0.05);
}
::-webkit-scrollbar-thumb:hover {
  background: #2e86c1;
}

/* Typography selection background */
::selection {
  background: rgba(46, 134, 193, 0.3);
  color: #fff;
}

/* Neon text gradients (using exact V-1.2 shades: #2e86c1 and #85c1e9) */
.text-gradient {
  background: linear-gradient(135deg, #2e86c1 0%, #85c1e9 50%, #2e86c1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;
}
.text-gradient-violet {
  background: linear-gradient(135deg, #2e86c1 0%, #85c1e9 50%, #2e86c1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;
}

/* Premium glassmorphism */
.glass {
  background: rgba(15, 15, 15, 0.75);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

/* Technical layout grid pattern background */
.grid-bg {
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 48px 48px;
}

/* Beautiful oblique discount slash strike-through (using V-1.2 #2e86c1) */
.line-through-price {
  position: relative;
  display: inline-block;
}
.line-through-price:after {
  content: "";
  position: absolute;
  left: -2px;
  right: -2px;
  top: 50%;
  height: 2px;
  background: #2e86c1;
  transform: rotate(-10deg);
}

/* Smooth vertical float animation */
@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
}
.animate-float {
  animation: float 4s ease-in-out infinite;
}

/* FAQ dynamic accordion state transition */
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.3s ease;
}
.faq-item.open .faq-answer {
  max-height: 500px;
}
.faq-item.open .faq-chevron {
  transform: rotate(180deg);
}

/* Interactive elements */
.btn-home {
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.3s ease, border-color 0.3s ease;
}
.btn-home:hover {
  transform: translateY(-4px);
}