:root {
  --color-primary: #1F2937;
  --color-secondary: #374151;
  --color-accent: #64748B;
}

html { 
  scroll-behavior: smooth; 
  scroll-padding-top: 5rem; 
}

body { 
  font-family: 'DM Sans', system-ui, sans-serif; 
}

/* Button fixes */
button, .btn, [class*="btn-"], a[href="#order_form"] {
  white-space: nowrap;
  min-width: fit-content;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

form button[type="submit"] {
  white-space: normal;
  width: 100%;
}

/* Animations */
[data-animate] {
  opacity: 0;
  transform: translateX(32px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

[data-animate].is-visible {
  opacity: 1;
  transform: translateX(0);
}

.rotate-180 { 
  transform: rotate(180deg); 
}

/* Decorative Elements */
.decor-grid-dots {
  background-image: radial-gradient(circle, var(--color-accent) 1px, transparent 1px);
  background-size: 20px 20px;
}

.decor-grid-lines {
  background-image: linear-gradient(var(--color-accent) 1px, transparent 1px),
                    linear-gradient(90deg, var(--color-accent) 1px, transparent 1px);
  background-size: 20px 20px;
}

.decor-diagonal {
  background-image: repeating-linear-gradient(
    45deg,
    transparent,
    transparent 10px,
    var(--color-accent) 10px,
    var(--color-accent) 11px
  );
}

.decor-mesh {
  background: linear-gradient(135deg, var(--color-primary) 0%, transparent 50%, var(--color-accent) 100%);
}

.decor-gradient-blur::before {
  content: '';
  position: absolute;
  top: 20%;
  right: 10%;
  width: 200px;
  height: 200px;
  background: linear-gradient(135deg, var(--color-accent), var(--color-primary));
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.3;
}

.decor-corner-tr::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 100px;
  height: 100px;
  background: var(--color-accent);
  clip-path: polygon(100% 0%, 0% 0%, 100% 100%);
}

.decor-corner-bl::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100px;
  height: 100px;
  background: var(--color-primary);
  clip-path: polygon(0% 100%, 0% 0%, 100% 100%);
}

.decor-glow-element {
  position: absolute;
  background: radial-gradient(circle, var(--color-accent) 0%, transparent 70%);
  filter: blur(40px);
}

.decor-rings-svg {
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg stroke='%2364748B' stroke-width='1' stroke-opacity='0.1'%3E%3Ccircle cx='30' cy='30' r='10'/%3E%3Ccircle cx='30' cy='30' r='20'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.decor-subtle { opacity: 0.05; }
.decor-moderate { opacity: 0.1; }
.decor-bold { opacity: 0.2; }

/* FAQ Accordion */
.faq-item[data-expanded="true"] .faq-icon {
  transform: rotate(180deg);
}

.faq-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out;
}

.faq-item[data-expanded="true"] .faq-content {
  max-height: 200px;
}

/* Order form */
.form-group {
  position: relative;
}

.form-error {
  display: none;
  color: #dc2626;
  font-size: 0.875rem;
  margin-top: 0.25rem;
}

.form-group.error .form-error {
  display: block;
}

.form-group.error input,
.form-group.error select {
  border-color: #dc2626;
}

/* Loading states */
.loading {
  opacity: 0.7;
  pointer-events: none;
}

.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  margin: -10px 0 0 -10px;
  border: 2px solid transparent;
  border-top: 2px solid currentColor;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Product badges */
.product-badge {
  position: absolute;
  top: -8px;
  right: -8px;
  z-index: 10;
}

/* Rating stars */
.rating-stars {
  display: flex;
  align-items: center;
  gap: 1px;
}

.rating-star {
  color: #fbbf24;
}

/* Responsive improvements */
@media (max-width: 640px) {
  .container {
    padding-left: 1rem;
    padding-right: 1rem;
  }
  
  [data-animate] {
    transform: translateY(20px);
  }
  
  [data-animate].is-visible {
    transform: translateY(0);
  }
}