/*
 * DOS Muffler design tokens — scoped to DOS wrappers only.
 * No :root, html, body, or global element reset.
 * No remote font or CDN import.
 */

.dos-site,
.dos-product-loop,
.dos-woo,
.dos-ui {
  color-scheme: dark;

  --dos-color-brand: #0799dc;
  --dos-color-brand-hover: #18a8ea;
  --dos-color-brand-deep: #0568a0;
  --dos-color-anthracite: #342b2c;
  --dos-color-blue-light: #87bbd0;
  --dos-color-steel: #5f7885;
  --dos-color-canvas: #0e1114;
  --dos-color-surface: #171c21;
  --dos-color-surface-raised: #1f262c;
  --dos-color-surface-media: #14191d;
  --dos-color-text: #f8f6f5;
  --dos-color-text-muted: #a7bbc4;
  --dos-color-on-brand: #0e1114;
  --dos-color-border-subtle: #34404a;
  --dos-color-border: #637681;
  --dos-color-success: #2fb673;
  --dos-color-warning: #e8a33d;
  --dos-color-danger: #e5484d;
  --dos-color-overlay: rgb(6 9 11 / 78%);

  --dos-font-display: "Saira Condensed", "Barlow Condensed", Oswald, "Arial Narrow", system-ui, sans-serif;
  --dos-font-body: Inter, "Noto Sans", "Segoe UI", Roboto, system-ui, -apple-system, BlinkMacSystemFont, Arial, sans-serif;
  --dos-font-mono: "JetBrains Mono", "Roboto Mono", ui-monospace, "SFMono-Regular", Consolas, "Liberation Mono", monospace;

  --dos-font-weight-regular: 400;
  --dos-font-weight-medium: 500;
  --dos-font-weight-semibold: 600;
  --dos-font-weight-bold: 700;

  --dos-type-xs: 0.8125rem;
  --dos-type-sm: 0.875rem;
  --dos-type-body: 1rem;
  --dos-type-lead: clamp(1.0625rem, 1rem + 0.25vw, 1.1875rem);
  --dos-type-h3: clamp(1.25rem, 1.125rem + 0.45vw, 1.5rem);
  --dos-type-h2: clamp(1.75rem, 1.4rem + 1.55vw, 2.75rem);
  --dos-type-h1: clamp(2.25rem, 1.55rem + 2.8vw, 4rem);
  --dos-type-price: clamp(1.375rem, 1.25rem + 0.5vw, 1.75rem);

  --dos-leading-tight: 1.08;
  --dos-leading-heading: 1.15;
  --dos-leading-body: 1.6;
  --dos-tracking-heading: 0.02em;
  --dos-tracking-label: 0.06em;

  --dos-space-1: 0.25rem;
  --dos-space-2: 0.5rem;
  --dos-space-3: 0.75rem;
  --dos-space-4: 1rem;
  --dos-space-5: 1.25rem;
  --dos-space-6: 1.5rem;
  --dos-space-8: 2rem;
  --dos-space-10: 2.5rem;
  --dos-space-12: 3rem;
  --dos-space-16: 4rem;
  --dos-space-20: 5rem;
  --dos-space-24: 6rem;

  --dos-gutter: 1rem;
  --dos-grid-gap: 0.75rem;
  --dos-section-y: clamp(3rem, 2.25rem + 3vw, 6rem);
  --dos-container: 80rem;
  --dos-reading-width: 47.5rem;

  --dos-radius-xs: 0.125rem;
  --dos-radius-sm: 0.25rem;
  --dos-radius-pill: 999px;
  --dos-border-width: 1px;
  --dos-border-subtle: var(--dos-border-width) solid var(--dos-color-border-subtle);
  --dos-border-functional: var(--dos-border-width) solid var(--dos-color-border);
  --dos-shadow-modal: 0 1.5rem 4rem rgb(0 0 0 / 42%);

  --dos-control-min: 2.75rem;
  --dos-control-primary: 3.25rem;
  --dos-focus-color: #87bbd0;
  --dos-focus-width: 3px;
  --dos-focus-offset: 3px;

  --dos-duration-press: 90ms;
  --dos-duration-fast: 160ms;
  --dos-duration-base: 180ms;
  --dos-duration-reveal: 240ms;
  --dos-ease-standard: cubic-bezier(0.2, 0.7, 0.3, 1);
  --dos-ease-exit: cubic-bezier(0.4, 0, 1, 1);

  --dos-z-base: 0;
  --dos-z-header: 30;
  --dos-z-sticky-buy: 50;
  --dos-z-whatsapp: 60;
  --dos-z-drawer: 80;
  --dos-z-modal: 100;

  background: var(--dos-color-canvas);
  color: var(--dos-color-text);
  font-family: var(--dos-font-body);
  font-size: var(--dos-type-body);
  font-weight: var(--dos-font-weight-regular);
  line-height: var(--dos-leading-body);
}

@media (min-width: 48rem) {
  .dos-site,
  .dos-product-loop,
  .dos-woo,
  .dos-ui {
    --dos-gutter: 1.5rem;
    --dos-grid-gap: 1rem;
  }
}

@media (min-width: 75rem) {
  .dos-site,
  .dos-product-loop,
  .dos-woo,
  .dos-ui {
    --dos-grid-gap: 1.5rem;
  }
}

.dos-site *,
.dos-site *::before,
.dos-site *::after,
.dos-product-loop *,
.dos-product-loop *::before,
.dos-product-loop *::after,
.dos-woo *,
.dos-woo *::before,
.dos-woo *::after,
.dos-ui *,
.dos-ui *::before,
.dos-ui *::after {
  box-sizing: border-box;
}

.dos-site ::selection,
.dos-product-loop ::selection,
.dos-woo ::selection,
.dos-ui ::selection {
  background: var(--dos-color-brand);
  color: var(--dos-color-on-brand);
}

.dos-site h1,
.dos-site h2,
.dos-site h3,
.dos-product-loop h1,
.dos-product-loop h2,
.dos-product-loop h3,
.dos-woo h1,
.dos-woo h2,
.dos-woo h3 {
  margin-block: 0 0.5em;
  color: var(--dos-color-text);
  font-family: var(--dos-font-display);
  font-weight: var(--dos-font-weight-bold);
  letter-spacing: var(--dos-tracking-heading);
  text-wrap: balance;
}

.dos-site h1,
.dos-product-loop h1,
.dos-woo h1 {
  font-size: var(--dos-type-h1);
  line-height: var(--dos-leading-tight);
}

.dos-site h2,
.dos-product-loop h2,
.dos-woo h2 {
  font-size: var(--dos-type-h2);
  line-height: var(--dos-leading-heading);
}

.dos-site h3,
.dos-product-loop h3,
.dos-woo h3 {
  font-family: var(--dos-font-body);
  font-size: var(--dos-type-h3);
  font-weight: var(--dos-font-weight-semibold);
  line-height: 1.3;
}

.dos-site a,
.dos-product-loop a,
.dos-woo a {
  color: var(--dos-color-brand);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.2em;
}

.dos-site button,
.dos-site input,
.dos-site select,
.dos-site textarea,
.dos-product-loop button,
.dos-product-loop input,
.dos-product-loop select,
.dos-product-loop textarea,
.dos-woo button,
.dos-woo input,
.dos-woo select,
.dos-woo textarea {
  font: inherit;
  min-height: var(--dos-control-min);
}

.dos-site a:focus-visible,
.dos-site button:focus-visible,
.dos-site input:focus-visible,
.dos-site select:focus-visible,
.dos-site textarea:focus-visible,
.dos-site summary:focus-visible,
.dos-product-loop a:focus-visible,
.dos-product-loop button:focus-visible,
.dos-product-loop input:focus-visible,
.dos-product-loop select:focus-visible,
.dos-woo a:focus-visible,
.dos-woo button:focus-visible,
.dos-woo input:focus-visible,
.dos-woo select:focus-visible,
.dos-woo textarea:focus-visible {
  outline: var(--dos-focus-width) solid var(--dos-focus-color);
  outline-offset: var(--dos-focus-offset);
}

.dos-container {
  width: min(calc(100% - var(--dos-gutter) - var(--dos-gutter)), var(--dos-container));
  margin-inline: auto;
}

.dos-section {
  padding-block: var(--dos-section-y);
}

.dos-surface {
  background: var(--dos-color-surface);
  border: var(--dos-border-subtle);
  border-radius: var(--dos-radius-xs);
}

.dos-surface--raised {
  background: var(--dos-color-surface-raised);
  border: var(--dos-border-functional);
}

.dos-label {
  color: var(--dos-color-blue-light);
  font-size: var(--dos-type-xs);
  font-weight: var(--dos-font-weight-semibold);
  letter-spacing: var(--dos-tracking-label);
  line-height: 1.4;
  text-transform: uppercase;
}

.dos-muted {
  color: var(--dos-color-text-muted);
}

.dos-price,
.dos-sku,
.dos-data {
  font-family: var(--dos-font-mono);
  font-variant-numeric: tabular-nums;
}

.dos-price {
  color: var(--dos-color-text);
  font-size: var(--dos-type-price);
  line-height: 1.2;
}

.dos-sku {
  color: var(--dos-color-text-muted);
  font-size: var(--dos-type-xs);
}

.dos-button {
  display: inline-flex;
  min-height: var(--dos-control-primary);
  align-items: center;
  justify-content: center;
  gap: var(--dos-space-2);
  padding: 0 var(--dos-space-5);
  border: var(--dos-border-functional);
  border-radius: var(--dos-radius-xs);
  font-weight: var(--dos-font-weight-semibold);
  line-height: 1;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition:
    background-color var(--dos-duration-base) var(--dos-ease-standard),
    border-color var(--dos-duration-base) var(--dos-ease-standard),
    color var(--dos-duration-base) var(--dos-ease-standard),
    transform var(--dos-duration-press) var(--dos-ease-standard);
}

.dos-button--primary {
  background: var(--dos-color-brand);
  border-color: var(--dos-color-brand);
  color: var(--dos-color-on-brand);
}

.dos-button--secondary {
  background: transparent;
  border-color: var(--dos-color-border);
  color: var(--dos-color-text);
}

.dos-button:active {
  transform: scale(0.98);
}

.dos-button[disabled],
.dos-button[aria-disabled="true"] {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
}

.dos-field {
  width: 100%;
  min-height: var(--dos-control-primary);
  padding: var(--dos-space-3) var(--dos-space-4);
  background: var(--dos-color-surface-raised);
  border: var(--dos-border-functional);
  border-radius: var(--dos-radius-sm);
  color: var(--dos-color-text);
}

.dos-field::placeholder {
  color: var(--dos-color-text-muted);
  opacity: 1;
}

.dos-card {
  overflow: clip;
  background: var(--dos-color-surface);
  border: var(--dos-border-subtle);
  border-radius: var(--dos-radius-xs);
  transition: border-color var(--dos-duration-base) var(--dos-ease-standard);
}

.dos-fitment {
  padding: var(--dos-space-4);
  background: var(--dos-color-surface);
  border-inline-start: 3px solid var(--dos-color-brand);
}

.dos-fitment--negative {
  border-inline-start-color: var(--dos-color-danger);
}

.dos-skip-link {
  position: fixed;
  z-index: var(--dos-z-modal);
  inset-block-start: var(--dos-space-2);
  inset-inline-start: var(--dos-space-2);
  padding: var(--dos-space-3) var(--dos-space-4);
  background: var(--dos-color-brand);
  color: var(--dos-color-on-brand);
  transform: translateY(-160%);
}

.dos-skip-link:focus {
  transform: translateY(0);
}

@media (hover: hover) and (pointer: fine) {
  .dos-button--primary:hover {
    background: var(--dos-color-brand-hover);
    border-color: var(--dos-color-brand-hover);
    color: var(--dos-color-on-brand);
  }

  .dos-button--secondary:hover,
  .dos-card:hover {
    border-color: var(--dos-color-brand);
  }
}

@media (prefers-reduced-motion: reduce) {
  .dos-site *,
  .dos-site *::before,
  .dos-site *::after,
  .dos-product-loop *,
  .dos-product-loop *::before,
  .dos-product-loop *::after,
  .dos-woo *,
  .dos-woo *::before,
  .dos-woo *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}