: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: translateY(20px) scale(0.95);
  transition: all 0.5s ease-out;
}

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

.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, var(--color-accent), var(--color-accent) 1px, transparent 1px, transparent 20px);
}

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

.decor-gradient-blur::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, var(--color-accent), transparent);
  filter: blur(40px);
  z-index: -1;
}

.decor-corner-tr::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 100px;
  height: 100px;
  background: linear-gradient(-45deg, var(--color-accent), transparent);
  border-radius: 0 0 0 100%;
}

.decor-glow-element {
  position: relative;
}

.decor-glow-element::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(100, 116, 139, 0.3), transparent);
  transform: translate(-50%, -50%);
  filter: blur(60px);
  z-index: -1;
}

/* Form styles */
.form-input {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  font-size: 14px;
  transition: border-color 0.2s;
}

.form-input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(100, 116, 139, 0.1);
}

.form-input.error {
  border-color: #ef4444;
}

.form-checkbox {
  width: 18px;
  height: 18px;
  border: 2px solid #d1d5db;
  border-radius: 4px;
  position: relative;
  cursor: pointer;
}

.form-checkbox:checked {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
}

.form-checkbox:checked::after {
  content: '✓';
  position: absolute;
  top: -2px;
  left: 2px;
  color: white;
  font-size: 12px;
  font-weight: bold;
}

/* Product badge */
.product-badge {
  position: absolute;
  top: -8px;
  right: -8px;
  background: linear-gradient(135deg, #f59e0b, #d97706);
  color: white;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3);
}

/* Rating stars */
.rating-stars {
  display: flex;
  gap: 2px;
}

.rating-stars .star {
  color: #fbbf24;
  font-size: 16px;
}

/* Loading state */
.loading {
  position: relative;
  pointer-events: none;
}

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

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Mobile adjustments */
@media (max-width: 768px) {
  .container-mobile {
    padding-left: 16px;
    padding-right: 16px;
  }
  
  button, .btn, a[href="#order_form"] {
    min-height: 44px;
    padding: 12px 16px;
  }
}