/* ==========================================================================
   ROG BIKES — CORE THEME STYLES (assets/theme.css)
   Performance Bicycle & Cycling Gear Engineering Specification
   All-in rebuild: 100% scratch-written per DESIGN.md & REBUILD_CONTRACT
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. TOKENS & CSS CUSTOM PROPERTIES (:root)
   -------------------------------------------------------------------------- */
:root {
  --rb-color-bg: #FFFFFF;
  --rb-color-surface: #F2F3F5;
  --rb-color-surface-2: #E8EAEE;
  --rb-color-line: #D9DCE1;
  --rb-color-ink: #111418;
  --rb-color-ink-2: #4A5160;
  --rb-color-muted: #5F6673;
  --rb-color-on-ink-2: #B4BAC6;
  --rb-color-accent: #E10600;
  --rb-color-accent-ink: #B80500;
  --rb-color-on-accent: #FFFFFF;
  --rb-color-success: #0F7B3F;
  --rb-color-warning: #9A5B00;

  --rb-radius: 0.25rem;
  --rb-radius-pill: 62.5rem;

  --rb-shadow-1: 0 0.0625rem 0.125rem rgb(17 20 24 / 0.06);
  --rb-shadow-2: 0 0.5rem 1.5rem rgb(17 20 24 / 0.10);

  --rb-font-display: 'Oswald', 'Oswald Fallback', 'Arial Narrow', sans-serif;
  --rb-font-body: 'Be Vietnam Pro', 'Be Vietnam Pro Fallback', system-ui, sans-serif;
  --rb-font-mono: 'Space Mono', monospace;

  --rb-lh-tight: 1.18;
  --rb-lh-base: 1.65;

  --rb-ease: cubic-bezier(0.2, 0.7, 0.2, 1);
  --rb-dur-fast: 150ms;
  --rb-dur: 240ms;
  --rb-dur-slow: 420ms;

  --rb-header-h: 4.5rem;
  --rb-topbar-h: 2.25rem;
  --rb-sticky-top: calc(var(--rb-header-h) + var(--rb-topbar-h) + 1rem);

  --swiper-theme-color: var(--rb-color-accent);
  --swiper-navigation-color: var(--rb-color-ink);
}

/* --------------------------------------------------------------------------
   2. RESET & BASE ELEMENTS
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  font-size: 100%;
  -webkit-text-size-adjust: 100%;
  tab-size: 4;
}

html:focus-within {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: 0;
  background-color: var(--rb-color-bg);
  color: var(--rb-color-ink);
  font-family: var(--rb-font-body);
  font-size: 1rem;
  line-height: var(--rb-lh-base);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

::selection {
  background-color: var(--rb-color-accent);
  color: var(--rb-color-on-accent);
}

img, picture, svg, video {
  display: block;
  max-width: 100%;
}

img {
  height: auto;
}

input, button, textarea, select {
  font: inherit;
  color: inherit;
}

button {
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
}

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
  margin: 0;
  padding: 0;
}

p, figure, blockquote, dl, dd {
  margin: 0;
}

h1, h2, h3, h4, h5, h6 {
  margin: 0;
  font-family: var(--rb-font-display);
  font-weight: 700;
  line-height: var(--rb-lh-tight);
  color: var(--rb-color-ink);
  text-transform: uppercase;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.25rem, 4vw, 3.75rem); }
h2 { font-size: clamp(1.75rem, 3vw, 2.5rem); }
h3 { font-size: clamp(1.375rem, 2vw, 1.75rem); }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

/* --------------------------------------------------------------------------
   3. ACCESSIBILITY & FOCUS
   -------------------------------------------------------------------------- */
:focus-visible {
  outline: 2px solid var(--rb-color-accent);
  outline-offset: 2px;
}

.rb-visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.hidden {
  display: none;
}

.skip-to-content-link {
  position: absolute;
  top: -10rem;
  left: 1rem;
  z-index: 9999;
  background-color: var(--rb-color-accent);
  color: var(--rb-color-on-accent);
  padding: 0.75rem 1.5rem;
  font-family: var(--rb-font-display);
  text-transform: uppercase;
  font-weight: 700;
  border-radius: var(--rb-radius);
  transition: top var(--rb-dur-fast) var(--rb-ease);
}

.skip-to-content-link:focus {
  top: 1rem;
}

/* --------------------------------------------------------------------------
   4. LAYOUT INVARIANT: .container (STANDS ALONE ON ITS ELEMENT)
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--rb-container-max, 82.5rem);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1rem;
  padding-right: 1rem;
}

@media (min-width: 768px) {
  .container {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }
}

/* Shell wrapper */
.rb-shell {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.rb-main {
  flex: 1 0 auto;
}

/* --------------------------------------------------------------------------
   5. SECTIONS & HEADINGS
   -------------------------------------------------------------------------- */
.rb-section {
  padding-top: 2.5rem;
  padding-bottom: 2.5rem;
}

@media (min-width: 992px) {
  .rb-section {
    padding-top: 4rem;
    padding-bottom: 4rem;
  }
}

.rb-section--surface {
  background-color: var(--rb-color-surface);
}

.rb-section--line-top {
  border-top: 1px solid var(--rb-color-line);
}

.rb-section--line-bot {
  border-bottom: 1px solid var(--rb-color-line);
}

.rb-section__head {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2rem;
}

@media (min-width: 768px) {
  .rb-section__head {
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
    margin-bottom: 2.5rem;
  }
}

.rb-section__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--rb-font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--rb-color-accent);
  text-transform: uppercase;
  margin-bottom: 0.375rem;
}

.rb-section__eyebrow::before {
  content: '';
  display: inline-block;
  width: 0.375rem;
  height: 0.375rem;
  background-color: var(--rb-color-accent);
}

.rb-section__title {
  margin: 0;
}

.rb-section__subtitle {
  color: var(--rb-color-ink-2);
  font-size: 0.9375rem;
  margin-top: 0.5rem;
  max-width: 44rem;
}

/* --------------------------------------------------------------------------
   6. BUTTONS (.rb-btn)
   -------------------------------------------------------------------------- */
.rb-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 2.75rem;
  padding: 0.625rem 1.25rem;
  font-family: var(--rb-font-display);
  font-size: 0.9375rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-radius: var(--rb-radius);
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: background-color var(--rb-dur-fast) var(--rb-ease),
              border-color var(--rb-dur-fast) var(--rb-ease),
              color var(--rb-dur-fast) var(--rb-ease),
              transform var(--rb-dur-fast) var(--rb-ease);
}

.rb-btn--primary {
  background-color: var(--rb-color-accent);
  color: var(--rb-color-on-accent);
  border-color: var(--rb-color-accent);
}

@media (hover: hover) {
  .rb-btn--primary:hover {
    background-color: var(--rb-color-accent-ink);
    border-color: var(--rb-color-accent-ink);
    color: var(--rb-color-on-accent);
  }
}

.rb-btn--secondary {
  background-color: var(--rb-color-surface-2);
  color: var(--rb-color-ink);
  border-color: var(--rb-color-line);
}

@media (hover: hover) {
  .rb-btn--secondary:hover {
    background-color: var(--rb-color-line);
    color: var(--rb-color-ink);
  }
}

.rb-btn--ghost {
  background-color: transparent;
  color: var(--rb-color-ink);
  border-color: var(--rb-color-line);
}

@media (hover: hover) {
  .rb-btn--ghost:hover {
    background-color: var(--rb-color-surface-2);
    border-color: var(--rb-color-ink);
  }
}

.rb-btn--dark {
  background-color: var(--rb-color-ink);
  color: #FFFFFF;
  border-color: var(--rb-color-ink);
}

@media (hover: hover) {
  .rb-btn--dark:hover {
    background-color: #2E3132;
    border-color: #2E3132;
  }
}

.rb-btn--outline {
  background-color: transparent;
  color: var(--rb-color-ink);
  border-color: var(--rb-color-ink);
}

@media (hover: hover) {
  .rb-btn--outline:hover {
    background-color: var(--rb-color-ink);
    color: #FFFFFF;
  }
}

.rb-btn--sm {
  min-height: 2.25rem;
  padding: 0.375rem 0.75rem;
  font-size: 0.8125rem;
}

.rb-btn--lg {
  min-height: 3.25rem;
  padding: 0.75rem 1.75rem;
  font-size: 1.125rem;
}

.rb-btn--full {
  width: 100%;
}

.rb-btn--icon {
  width: 2.75rem;
  height: 2.75rem;
  padding: 0;
}

.rb-btn[disabled],
.rb-btn.is-disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

.rb-btn[hidden] {
  display: none;
}

/* --------------------------------------------------------------------------
   7. FORM FIELDS (.rb-field)
   -------------------------------------------------------------------------- */
.rb-field {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
  margin-bottom: 1.25rem;
}

.rb-field__label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--rb-color-ink);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.rb-field__required {
  color: var(--rb-color-accent);
}

.rb-field__input,
.rb-field__select,
.rb-field__textarea {
  width: 100%;
  min-height: 2.75rem;
  padding: 0.625rem 0.875rem;
  background-color: var(--rb-color-surface);
  color: var(--rb-color-ink);
  border: 1px solid var(--rb-color-line);
  border-radius: var(--rb-radius);
  font-size: 0.9375rem;
  transition: border-color var(--rb-dur-fast) var(--rb-ease),
              background-color var(--rb-dur-fast) var(--rb-ease);
}

.rb-field__input:focus,
.rb-field__select:focus,
.rb-field__textarea:focus {
  background-color: #FFFFFF;
  border-color: var(--rb-color-ink);
  outline: none;
}

.rb-field__textarea {
  min-height: 6.5rem;
  resize: vertical;
}

.rb-field__error {
  font-size: 0.8125rem;
  color: var(--rb-color-accent);
  font-weight: 500;
}

/* --------------------------------------------------------------------------
   8. BADGES & CHIPS
   -------------------------------------------------------------------------- */
.rb-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.5rem;
  font-family: var(--rb-font-mono);
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border-radius: var(--rb-radius);
  line-height: 1;
}

.rb-badge--sale {
  background-color: var(--rb-color-accent);
  color: #FFFFFF;
}

.rb-badge--stock {
  background-color: rgba(15, 123, 63, 0.1);
  color: var(--rb-color-success);
  border: 1px solid var(--rb-color-success);
}

.rb-badge--low-stock {
  background-color: rgba(154, 91, 0, 0.1);
  color: var(--rb-color-warning);
  border: 1px solid var(--rb-color-warning);
}

.rb-badge--dark {
  background-color: var(--rb-color-ink);
  color: #FFFFFF;
}

.rb-badge--outline {
  background-color: transparent;
  color: var(--rb-color-ink);
  border: 1px solid var(--rb-color-line);
}

.rb-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.375rem 0.625rem;
  background-color: var(--rb-color-surface);
  border: 1px solid var(--rb-color-line);
  border-radius: var(--rb-radius);
  font-size: 0.8125rem;
  color: var(--rb-color-ink);
}

.rb-chip__value {
  font-family: var(--rb-font-display);
  font-weight: 700;
}

.rb-chip__label {
  font-size: 0.6875rem;
  color: var(--rb-color-muted);
}

/* --------------------------------------------------------------------------
   9. SPEC TABLE (.rb-spec-table)
   -------------------------------------------------------------------------- */
.rb-spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
  border: 1px solid var(--rb-color-line);
}

.rb-spec-table th,
.rb-spec-table td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--rb-color-line);
  text-align: left;
}

.rb-spec-table th {
  font-family: var(--rb-font-display);
  font-weight: 700;
  text-transform: uppercase;
  background-color: var(--rb-color-surface-2);
  color: var(--rb-color-ink);
  letter-spacing: 0.04em;
}

.rb-spec-table tr:nth-child(even) td {
  background-color: var(--rb-color-surface);
}

/* --------------------------------------------------------------------------
   10. BREADCRUMB (.rb-breadcrumb)
   -------------------------------------------------------------------------- */
.rb-breadcrumb {
  padding: 1rem 0;
  font-size: 0.8125rem;
  color: var(--rb-color-muted);
}

.rb-breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.25rem 0.5rem;
  min-width: 0;
}

.rb-breadcrumb__item {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-width: 0;
  max-width: 100%;
}

.rb-breadcrumb__item:first-child {
  flex-shrink: 0;
}

.rb-breadcrumb__link {
  min-width: 0;
  color: var(--rb-color-ink-2);
  transition: color var(--rb-dur-fast) var(--rb-ease);
}

.rb-breadcrumb__link > span {
  overflow-wrap: anywhere;
}

@media (hover: hover) {
  .rb-breadcrumb__link:hover {
    color: var(--rb-color-accent);
  }
}

.rb-breadcrumb__sep {
  flex-shrink: 0;
  color: var(--rb-color-line);
}

.rb-breadcrumb__current {
  min-width: 0;
  overflow-wrap: anywhere;
  color: var(--rb-color-ink);
  font-weight: 600;
}

/* --------------------------------------------------------------------------
   11. PAGINATION (.rb-pagination)
   -------------------------------------------------------------------------- */
.rb-pagination {
  display: flex;
  justify-content: center;
  margin-top: 3rem;
}

.rb-pagination__list {
  display: flex;
  align-items: center;
  gap: 0.375rem;
}

.rb-pagination__item,
.rb-pagination__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.75rem;
  height: 2.75rem;
  padding: 0 0.5rem;
  border: 1px solid var(--rb-color-line);
  border-radius: var(--rb-radius);
  font-family: var(--rb-font-display);
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--rb-color-ink);
  transition: background-color var(--rb-dur-fast) var(--rb-ease),
              border-color var(--rb-dur-fast) var(--rb-ease);
}

@media (hover: hover) {
  .rb-pagination__item:hover,
  .rb-pagination__btn:hover {
    border-color: var(--rb-color-ink);
    background-color: var(--rb-color-surface);
  }
}

.rb-pagination__item.is-active {
  background-color: var(--rb-color-accent);
  border-color: var(--rb-color-accent);
  color: #FFFFFF;
}

/* --------------------------------------------------------------------------
   11b. SHARE BUTTONS (.rb-share-buttons)
   -------------------------------------------------------------------------- */
.rb-share-buttons {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.rb-share-buttons__items {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.rb-share-buttons__link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.75rem;
  height: 2.75rem;
  border: 1px solid var(--rb-color-line);
  border-radius: var(--rb-radius);
  background: var(--rb-color-bg);
  color: var(--rb-color-ink);
  cursor: pointer;
  transition: border-color var(--rb-dur-fast) var(--rb-ease), background-color var(--rb-dur-fast) var(--rb-ease);
}

@media (hover: hover) {
  .rb-share-buttons__link:hover {
    border-color: var(--rb-color-ink);
    background-color: var(--rb-color-surface);
  }
}

/* --------------------------------------------------------------------------
   12. SKELETON LOADER (.rb-skeleton)
   -------------------------------------------------------------------------- */
.rb-skeleton {
  background: linear-gradient(90deg, var(--rb-color-surface) 25%, var(--rb-color-surface-2) 50%, var(--rb-color-surface) 75%);
  background-size: 200% 100%;
  animation: rb-shimmer 1.5s infinite;
  border-radius: var(--rb-radius);
}

@keyframes rb-shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* --------------------------------------------------------------------------
   13. TOAST MESSAGES
   -------------------------------------------------------------------------- */
.toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-width: 24rem;
  pointer-events: none;
}

.toast-message {
  pointer-events: auto;
  padding: 0.875rem 1.25rem;
  background-color: var(--rb-color-ink);
  color: #FFFFFF;
  border-radius: var(--rb-radius);
  font-size: 0.875rem;
  font-weight: 500;
  box-shadow: var(--rb-shadow-2);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  transform: translateY(1rem);
  opacity: 0;
  transition: transform var(--rb-dur) var(--rb-ease), opacity var(--rb-dur) var(--rb-ease);
}

.toast-message.is-visible {
  transform: translateY(0);
  opacity: 1;
}

.toast-message--success {
  border-left: 4px solid var(--rb-color-success);
}

.toast-message--error {
  border-left: 4px solid var(--rb-color-accent);
}

.toast-message--warning {
  border-left: 4px solid var(--rb-color-warning);
}

/* --------------------------------------------------------------------------
   14. BACK TO TOP (.back-to-top)
   -------------------------------------------------------------------------- */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 900;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: var(--rb-radius);
  background-color: var(--rb-color-ink);
  color: #FFFFFF;
  border: 1px solid var(--rb-color-line);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--rb-shadow-1);
  opacity: 0;
  visibility: hidden;
  transform: translateY(0.5rem);
  transition: opacity var(--rb-dur-fast) var(--rb-ease),
              transform var(--rb-dur-fast) var(--rb-ease),
              visibility var(--rb-dur-fast) var(--rb-ease),
              background-color var(--rb-dur-fast) var(--rb-ease);
}

.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

body:has(.rb-sticky-atc.is-visible) .back-to-top {
  bottom: 7rem;
}

@media (hover: hover) {
  .back-to-top:hover {
    background-color: var(--rb-color-accent);
    color: #FFFFFF;
  }
}

/* --------------------------------------------------------------------------
   15. HEADER & TOPBAR (.rb-header)
   -------------------------------------------------------------------------- */
.rb-shell__header-wrap {
  display: contents;
}

.rb-header[data-sticky="false"] {
  position: relative;
}

body:has(.rb-header[data-sticky="false"]) {
  --rb-sticky-top: 1.5rem;
}

.rb-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: #FFFFFF;
  border-bottom: 1px solid var(--rb-color-line);
  transition: box-shadow var(--rb-dur-fast) var(--rb-ease);
}

.rb-header.is-scrolled {
  box-shadow: var(--rb-shadow-1);
}

/* Announcement Topbar */
.rb-topbar {
  background-color: #FFFFFF;
  border-bottom: 1px solid var(--rb-color-surface-2);
  font-size: 0.75rem;
  color: var(--rb-color-ink-2);
  padding: 0.375rem 0;
}

.rb-topbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.rb-topbar__left {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 0;
}

.rb-topbar__tag {
  display: inline-flex;
  align-items: center;
  padding: 0.125rem 0.375rem;
  background-color: var(--rb-color-accent);
  color: #FFFFFF;
  font-family: var(--rb-font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  border-radius: var(--rb-radius);
  flex-shrink: 0;
  white-space: nowrap;
}

.rb-topbar__promo {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-weight: 500;
  color: var(--rb-color-ink);
}

.rb-topbar__right {
  display: none;
  align-items: center;
  gap: 1.5rem;
  font-family: var(--rb-font-mono);
  font-size: 0.75rem;
}

@media (min-width: 992px) {
  .rb-topbar__right {
    display: flex;
  }
}

.rb-topbar__item {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  min-height: 1.5rem;
  transition: color var(--rb-dur-fast) var(--rb-ease);
}

@media (hover: hover) {
  .rb-topbar__item:hover {
    color: var(--rb-color-accent);
  }
}

/* Header Main Bar */
.rb-header__main {
  height: var(--rb-header-h);
  display: flex;
  align-items: center;
}

.rb-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  width: 100%;
}

.rb-header__left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.rb-header__menu-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  flex-shrink: 0;
  border-radius: var(--rb-radius);
  color: var(--rb-color-ink);
}

@media (min-width: 992px) {
  .rb-header__menu-btn {
    display: none;
  }

  .rb-header__left {
    gap: 2rem;
  }
}

.rb-header__brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 2.75rem;
}

.rb-header__logo-img {
  max-height: 2.5rem;
  width: auto;
}

.rb-header__brand-text {
  font-family: var(--rb-font-display);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--rb-color-ink);
}

.rb-header__nav {
  display: none;
}

@media (min-width: 992px) {
  .rb-header__nav {
    display: flex;
    align-items: center;
  }
}

.rb-header__actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.rb-header__action-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  flex-shrink: 0;
  border-radius: var(--rb-radius);
  color: var(--rb-color-ink);
  transition: background-color var(--rb-dur-fast) var(--rb-ease),
              color var(--rb-dur-fast) var(--rb-ease);
}

@media (hover: hover) {
  .rb-header__action-btn:hover {
    background-color: var(--rb-color-surface);
  }
}

.rb-header__badge {
  position: absolute;
  top: 0.25rem;
  right: 0.25rem;
  min-width: 1.125rem;
  height: 1.125rem;
  padding: 0 0.25rem;
  background-color: var(--rb-color-accent);
  color: #FFFFFF;
  border-radius: var(--rb-radius-pill);
  font-family: var(--rb-font-mono);
  font-size: 0.625rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

.rb-header__cart-btn {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  gap: 0.375rem;
  padding: 0.5rem 0.625rem;
  min-height: 2.75rem;
  background-color: var(--rb-color-surface);
  border: 1px solid var(--rb-color-line);
  border-radius: var(--rb-radius);
  font-family: var(--rb-font-display);
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--rb-color-ink);
  transition: border-color var(--rb-dur-fast) var(--rb-ease);
}

.rb-header__cart-btn .icon {
  flex-shrink: 0;
  max-width: none;
}

@media (min-width: 992px) and (max-width: 1279px) {
  .rb-header__cart-btn .hide-mobile {
    display: none;
  }

  .rb-header__cart-btn .hide-desktop {
    display: inline;
  }
}

@media (min-width: 1280px) {
  .rb-header__cart-btn {
    gap: 0.5rem;
    padding: 0.5rem 0.875rem;
  }
}

@media (hover: hover) {
  .rb-header__cart-btn:hover {
    border-color: var(--rb-color-ink);
  }
}

/* --------------------------------------------------------------------------
   16. MEGAMENU (.rb-megamenu)
   -------------------------------------------------------------------------- */
.rb-megamenu {
  display: block;
}

.rb-megamenu__list {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.rb-megamenu__item {
  position: relative;
}

.rb-megamenu__trigger {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 1.5rem 0;
  font-family: var(--rb-font-display);
  font-size: 0.9375rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--rb-color-ink);
  transition: color var(--rb-dur-fast) var(--rb-ease);
}

@media (hover: hover) {
  .rb-megamenu__trigger:hover,
  .rb-megamenu__item:hover .rb-megamenu__trigger {
    color: var(--rb-color-accent);
  }
}

.rb-megamenu__trigger.is-active {
  color: var(--rb-color-accent);
  border-bottom: 2px solid var(--rb-color-accent);
}

.rb-megamenu__chevron {
  transition: transform var(--rb-dur-fast) var(--rb-ease);
}

.rb-megamenu__item:hover .rb-megamenu__chevron {
  transform: rotate(180deg);
}

/* Megamenu Dropdown */
.rb-megamenu__dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  z-index: 100;
  background-color: #FFFFFF;
  border: 1px solid var(--rb-color-line);
  border-radius: var(--rb-radius);
  box-shadow: var(--rb-shadow-2);
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
  transform: translateY(0.5rem);
  transition: opacity var(--rb-dur-fast) var(--rb-ease),
              transform var(--rb-dur-fast) var(--rb-ease),
              visibility var(--rb-dur-fast) var(--rb-ease);
}

.rb-megamenu__item--mega {
  position: static;
}

.rb-megamenu__dropdown--full {
  left: 0;
  right: 0;
  border-left: none;
  border-right: none;
  border-radius: 0;
}

.rb-megamenu__dropdown--simple {
  min-width: 15rem;
}

.rb-megamenu__dropdown--simple .container {
  max-width: none;
  padding-left: 0;
  padding-right: 0;
}

.rb-megamenu__dropdown--simple .rb-megamenu__surface {
  padding: 0;
}

@media (hover: hover) {
  .rb-megamenu__item:hover .rb-megamenu__dropdown,
  .rb-megamenu__dropdown.is-open {
    visibility: visible;
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }
}

.rb-megamenu__surface {
  padding: 2rem 0;
}

.rb-megamenu__grid {
  display: grid;
  grid-template-columns: repeat(var(--mega-columns, 4), 1fr);
  gap: 2rem;
}

.rb-megamenu__grid--with-card {
  grid-template-columns: 3fr 1fr;
}

.rb-megamenu__columns {
  display: grid;
  grid-template-columns: repeat(var(--mega-columns, 4), 1fr);
  gap: 2rem;
}

.rb-megamenu__col-title {
  display: block;
  font-family: var(--rb-font-display);
  font-size: 0.9375rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--rb-color-ink);
  padding-bottom: 0.5rem;
  margin-bottom: 0.75rem;
  border-bottom: 2px solid var(--rb-color-line);
  transition: color var(--rb-dur-fast) var(--rb-ease);
}

@media (hover: hover) {
  .rb-megamenu__col-title:hover {
    color: var(--rb-color-accent);
    border-bottom-color: var(--rb-color-accent);
  }
}

.rb-megamenu__sublist {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.rb-megamenu__sublink {
  font-size: 0.875rem;
  color: var(--rb-color-ink-2);
  transition: color var(--rb-dur-fast) var(--rb-ease);
}

@media (hover: hover) {
  .rb-megamenu__sublink:hover {
    color: var(--rb-color-accent);
  }
}

.rb-megamenu__card {
  background-color: var(--rb-color-surface);
  border: 1px solid var(--rb-color-line);
  border-radius: var(--rb-radius);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.rb-megamenu__card-img {
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--rb-radius);
  background-color: var(--rb-color-surface-2);
}

.rb-megamenu__card-title {
  font-family: var(--rb-font-display);
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--rb-color-ink);
}

/* Simple Dropdown */
.rb-megamenu__simple-list {
  padding: 0.5rem 0;
}

.rb-megamenu__simple-item {
  position: relative;
}

.rb-megamenu__simple-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.625rem 1.25rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--rb-color-ink);
  transition: background-color var(--rb-dur-fast) var(--rb-ease),
              color var(--rb-dur-fast) var(--rb-ease);
}

@media (hover: hover) {
  .rb-megamenu__simple-link:hover {
    background-color: var(--rb-color-surface);
    color: var(--rb-color-accent);
  }
}

.rb-megamenu__simple-sub {
  position: absolute;
  top: 0;
  left: calc(100% + 1px);
  min-width: 14rem;
  padding: 0.5rem 0;
  margin-top: -0.5rem;
  background-color: #FFFFFF;
  border: 1px solid var(--rb-color-line);
  border-radius: var(--rb-radius);
  box-shadow: var(--rb-shadow-2);
  visibility: hidden;
  opacity: 0;
  transform: translateX(0.5rem);
  transition: opacity var(--rb-dur-fast) var(--rb-ease),
              transform var(--rb-dur-fast) var(--rb-ease),
              visibility var(--rb-dur-fast) var(--rb-ease);
}

@media (hover: hover) {
  .rb-megamenu__simple-item:hover .rb-megamenu__simple-sub {
    visibility: visible;
    opacity: 1;
    transform: translateX(0);
  }
}

.rb-megamenu__simple-sub .rb-megamenu__sublink {
  display: block;
  padding: 0.625rem 1.25rem;
  font-weight: 500;
  color: var(--rb-color-ink);
  white-space: nowrap;
  transition: background-color var(--rb-dur-fast) var(--rb-ease),
              color var(--rb-dur-fast) var(--rb-ease);
}

@media (hover: hover) {
  .rb-megamenu__simple-sub .rb-megamenu__sublink:hover {
    background-color: var(--rb-color-surface);
    color: var(--rb-color-accent);
  }
}

/* --------------------------------------------------------------------------
   17. MOBILE MENU DRAWER (.rb-mobile-menu)
   -------------------------------------------------------------------------- */
.rb-mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 2000;
  visibility: hidden;
  pointer-events: none;
  transition: visibility var(--rb-dur) var(--rb-ease);
}

.rb-mobile-menu.is-open {
  visibility: visible;
  pointer-events: auto;
}

.rb-mobile-menu__overlay {
  position: absolute;
  inset: 0;
  background-color: rgba(17, 20, 24, 0.6);
  opacity: 0;
  transition: opacity var(--rb-dur) var(--rb-ease);
}

.rb-mobile-menu.is-open .rb-mobile-menu__overlay {
  opacity: 1;
}

.rb-mobile-menu__drawer {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: min(85vw, 22rem);
  background-color: #FFFFFF;
  display: flex;
  flex-direction: column;
  transform: translateX(-100%);
  transition: transform var(--rb-dur) var(--rb-ease);
  box-shadow: var(--rb-shadow-2);
}

.rb-mobile-menu.is-open .rb-mobile-menu__drawer {
  transform: translateX(0);
}

.rb-mobile-menu__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--rb-color-line);
}

.rb-mobile-menu__brand {
  font-family: var(--rb-font-display);
  font-size: 1.25rem;
  font-weight: 700;
}

.rb-mobile-menu__close {
  width: 2.5rem;
  height: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--rb-radius);
}

.rb-mobile-menu__body {
  flex: 1 1 auto;
  overflow-y: auto;
  padding: 1rem 0;
  position: relative;
}

.rb-mobile-menu__item {
  border-bottom: 1px solid var(--rb-color-surface-2);
}

.rb-mobile-menu__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-right: 0.75rem;
}

.rb-mobile-menu__link {
  display: flex;
  align-items: center;
  min-height: 3.25rem;
  padding: 0.75rem 1.25rem;
  font-family: var(--rb-font-display);
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--rb-color-ink);
  flex: 1 1 auto;
}

.rb-mobile-menu__link.is-active {
  color: var(--rb-color-accent);
}

.rb-mobile-menu__trigger {
  width: 2.75rem;
  height: 2.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--rb-color-ink-2);
}

/* Submenu Slide */
.rb-mobile-menu__submenu {
  position: absolute;
  inset: 0;
  background-color: #FFFFFF;
  z-index: 10;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  visibility: hidden;
  transition: transform var(--rb-dur) var(--rb-ease),
              visibility var(--rb-dur) var(--rb-ease);
}

.rb-mobile-menu__submenu.is-open {
  transform: translateX(0);
  visibility: visible;
}

.rb-mobile-menu__submenu-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.875rem 1.25rem;
  border-bottom: 1px solid var(--rb-color-line);
  background-color: var(--rb-color-surface);
}

.rb-mobile-menu__back {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-family: var(--rb-font-display);
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--rb-color-ink);
}

.rb-mobile-menu__submenu-title {
  font-family: var(--rb-font-display);
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--rb-color-accent);
}

.rb-mobile-menu__sublist {
  flex: 1 1 auto;
  overflow-y: auto;
  padding: 0.5rem 0;
}

.rb-mobile-menu__sublink {
  display: block;
  padding: 0.75rem 1.25rem;
  font-size: 0.9375rem;
  color: var(--rb-color-ink);
  border-bottom: 1px solid var(--rb-color-surface-2);
}

.rb-mobile-menu__footer {
  padding: 1.25rem;
  border-top: 1px solid var(--rb-color-line);
  background-color: var(--rb-color-surface);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

/* --------------------------------------------------------------------------
   18. SEARCH MODAL (.rb-search-modal)
   -------------------------------------------------------------------------- */
.rb-search-modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 5vh;
  visibility: hidden;
  pointer-events: none;
  transition: visibility var(--rb-dur) var(--rb-ease);
}

.rb-search-modal.is-open {
  visibility: visible;
  pointer-events: auto;
}

.rb-search-modal__overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(17, 20, 24, 0.6);
  opacity: 0;
  transition: opacity var(--rb-dur) var(--rb-ease);
}

.rb-search-modal.is-open .rb-search-modal__overlay {
  opacity: 1;
}

.rb-search-modal__panel {
  position: relative;
  width: min(92vw, 44rem);
  max-height: 85vh;
  background-color: #FFFFFF;
  border: 1px solid var(--rb-color-line);
  border-radius: var(--rb-radius);
  box-shadow: var(--rb-shadow-2);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform: translateY(-1rem);
  opacity: 0;
  transition: transform var(--rb-dur) var(--rb-ease),
              opacity var(--rb-dur) var(--rb-ease);
}

.rb-search-modal.is-open .rb-search-modal__panel {
  transform: translateY(0);
  opacity: 1;
}

.rb-search-modal__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--rb-color-line);
}

.rb-search-modal__title {
  font-size: 1.25rem;
  margin: 0;
}

.rb-search-modal__close {
  width: 2.25rem;
  height: 2.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--rb-radius);
  color: var(--rb-color-muted);
}

.rb-search-modal__form {
  padding: 1.25rem 1.5rem 0.5rem;
}

.rb-search-modal__input-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.rb-search-modal__input {
  width: 100%;
  height: 3.25rem;
  padding: 0 3rem 0 1.25rem;
  background-color: var(--rb-color-surface);
  border: 1px solid var(--rb-color-line);
  border-radius: var(--rb-radius);
  font-size: 1rem;
  font-family: var(--rb-font-body);
  color: var(--rb-color-ink);
}

.rb-search-modal__submit {
  position: absolute;
  right: 0.75rem;
  width: 2.25rem;
  height: 2.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--rb-color-ink);
}

.rb-search-modal__body {
  flex: 1 1 auto;
  overflow-y: auto;
  padding: 1.25rem 1.5rem;
}

.rb-search-modal__chips-wrap {
  margin-bottom: 1.5rem;
}

.rb-search-modal__section-label {
  font-family: var(--rb-font-mono);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--rb-color-muted);
  text-transform: uppercase;
  margin-bottom: 0.625rem;
}

.rb-search-modal__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.rb-search-modal__chip {
  padding: 0.375rem 0.75rem;
  background-color: var(--rb-color-surface);
  border: 1px solid var(--rb-color-line);
  border-radius: var(--rb-radius);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--rb-color-ink);
  cursor: pointer;
  transition: border-color var(--rb-dur-fast) var(--rb-ease),
              color var(--rb-dur-fast) var(--rb-ease);
}

@media (hover: hover) {
  .rb-search-modal__chip:hover {
    border-color: var(--rb-color-accent);
    color: var(--rb-color-accent);
  }
}

.rb-search-modal__results-group {
  margin-bottom: 1.5rem;
}

.rb-search-modal__results-title {
  font-family: var(--rb-font-display);
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--rb-color-ink);
  padding-bottom: 0.375rem;
  border-bottom: 1px solid var(--rb-color-line);
  margin-bottom: 0.75rem;
}

.rb-search-modal__item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem;
  border-radius: var(--rb-radius);
  border: 1px solid transparent;
  transition: background-color var(--rb-dur-fast) var(--rb-ease),
              border-color var(--rb-dur-fast) var(--rb-ease);
}

@media (hover: hover) {
  .rb-search-modal__item:hover {
    background-color: var(--rb-color-surface);
    border-color: var(--rb-color-line);
  }
}

/* Shared control hover states */
.rb-header__menu-btn,
.rb-mobile-menu__close,
.rb-mobile-menu__trigger,
.rb-search-modal__close,
.rb-search-modal__submit {
  transition: background-color var(--rb-dur-fast) var(--rb-ease),
              color var(--rb-dur-fast) var(--rb-ease);
}

.rb-mobile-menu__sublink {
  transition: background-color var(--rb-dur-fast) var(--rb-ease),
              color var(--rb-dur-fast) var(--rb-ease);
}

.rb-header__brand {
  transition: opacity var(--rb-dur-fast) var(--rb-ease);
}

.rb-mobile-menu__brand,
.rb-mobile-menu__link,
.rb-mobile-menu__back,
.rb-megamenu__card-title {
  transition: color var(--rb-dur-fast) var(--rb-ease);
}

.rb-megamenu__card-img {
  transition: opacity var(--rb-dur-fast) var(--rb-ease);
}

@media (hover: hover) {
  .rb-header__menu-btn:hover,
  .rb-mobile-menu__close:hover,
  .rb-mobile-menu__trigger:hover,
  .rb-search-modal__close:hover,
  .rb-search-modal__submit:hover {
    background-color: var(--rb-color-surface);
    color: var(--rb-color-accent);
  }

  .rb-header__brand:hover {
    opacity: 0.8;
  }

  .rb-mobile-menu__brand:hover,
  .rb-mobile-menu__link:hover,
  .rb-mobile-menu__back:hover {
    color: var(--rb-color-accent);
  }

  .rb-mobile-menu__sublink:hover {
    background-color: var(--rb-color-surface);
    color: var(--rb-color-accent);
  }

  .rb-megamenu__card-link:hover .rb-megamenu__card-title {
    color: var(--rb-color-accent);
  }

  .rb-megamenu__card-link:hover .rb-megamenu__card-img {
    opacity: 0.88;
  }

  .rb-float-social__toggle:hover {
    background-color: var(--rb-color-accent-ink);
    transform: translateY(-2px);
  }
}

.rb-search-modal__item-thumb {
  width: 4rem;
  height: 4rem;
  flex-shrink: 0;
  background-color: var(--rb-color-surface-2);
  border-radius: var(--rb-radius);
  overflow: hidden;
}

.rb-search-modal__item-thumb img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.rb-search-modal__item-info {
  flex: 1 1 auto;
  min-width: 0;
}

.rb-search-modal__item-vendor {
  font-family: var(--rb-font-mono);
  font-size: 0.6875rem;
  font-weight: 700;
  color: var(--rb-color-accent);
  text-transform: uppercase;
}

.rb-search-modal__item-title {
  font-family: var(--rb-font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--rb-color-ink);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.rb-search-modal__item-price {
  font-family: var(--rb-font-display);
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--rb-color-accent-ink);
  margin-top: 0.25rem;
}

/* --------------------------------------------------------------------------
   19. FOOTER (.rb-footer)
   -------------------------------------------------------------------------- */
.rb-footer {
  background-color: #FFFFFF;
  border-top: 1px solid var(--rb-color-line);
  color: var(--rb-color-ink);
}

.rb-footer__newsletter {
  padding: 3rem 0;
  border-bottom: 1px solid var(--rb-color-line);
  background-color: var(--rb-color-surface);
}

.rb-footer__newsletter-inner {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

@media (min-width: 992px) {
  .rb-footer__newsletter-inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.rb-footer__newsletter-title {
  font-size: clamp(1.375rem, 2vw, 1.75rem);
}

.rb-footer__newsletter-action {
  width: 100%;
}

.rb-footer__newsletter-action form {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  gap: 0.5rem;
  width: 100%;
}

.rb-footer__newsletter-action form > p {
  flex: 0 0 100%;
  margin: 0;
}

.rb-footer__newsletter-action .rb-btn {
  flex-shrink: 0;
  min-height: 3rem;
  white-space: nowrap;
}

@media (min-width: 992px) {
  .rb-footer__newsletter-action {
    flex: 0 1 32rem;
  }
}

@media (max-width: 479px) {
  .rb-footer__newsletter-action form {
    flex-direction: column;
  }
}

.rb-footer__newsletter-input {
  flex: 1 1 auto;
  min-width: 0;
  height: 3rem;
  padding: 0 1rem;
  background-color: #FFFFFF;
  border: 1px solid var(--rb-color-line);
  border-radius: var(--rb-radius);
}

.rb-footer__newsletter-input:focus-visible {
  border-color: var(--rb-color-accent, #E10600);
  outline: none;
  box-shadow: 0 0 0 2px rgb(225 6 0 / 0.25);
}

.rb-footer__main {
  padding: 3.5rem 0 2.5rem;
}

.rb-footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}

@media (min-width: 768px) {
  .rb-footer__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 992px) {
  .rb-footer__grid {
    grid-template-columns: 2fr repeat(3, 1fr) 1.5fr;
  }
}

.rb-footer__brand-col {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.rb-footer__desc {
  font-size: 0.875rem;
  color: var(--rb-color-ink-2);
  line-height: 1.6;
}

.rb-footer__contacts {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 0.875rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--rb-color-surface-2);
}

.rb-footer__contact-item {
  color: var(--rb-color-ink-2);
}

.rb-footer__contact-item strong {
  color: var(--rb-color-ink);
  font-weight: 600;
}

.rb-footer__col-title {
  font-family: var(--rb-font-display);
  font-size: 0.9375rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--rb-color-line);
  margin-bottom: 1rem;
}

@media (max-width: 767px) {
  .rb-footer__grid {
    gap: 1.5rem;
  }

  .js .rb-footer__col-title[data-footer-toggle] {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    min-height: 2.75rem;
    padding-bottom: 0;
    margin-bottom: 0;
    cursor: pointer;
  }

  .js .rb-footer__col-title[data-footer-toggle]::after {
    content: '';
    flex-shrink: 0;
    width: 0.5rem;
    height: 0.5rem;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    rotate: 45deg;
    translate: 0 -0.125rem;
    transition: rotate var(--rb-dur-fast) var(--rb-ease);
  }

  .js .rb-footer__col-title[data-footer-toggle].is-open {
    margin-bottom: 1rem;
  }

  .js .rb-footer__col-title[data-footer-toggle].is-open::after {
    rotate: -135deg;
    translate: 0 0.125rem;
  }

  .js .rb-footer__col-title[data-footer-toggle]:not(.is-open) + .rb-footer__nav-list {
    display: none;
  }

  .js .rb-footer__col-title[data-footer-toggle]:focus-visible {
    outline: 2px solid var(--rb-color-accent);
    outline-offset: 2px;
  }
}

.rb-footer__nav-list {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
  font-size: 0.875rem;
}

.rb-footer__nav-link {
  color: var(--rb-color-ink-2);
  transition: color var(--rb-dur-fast) var(--rb-ease);
}

@media (hover: hover) {
  .rb-footer__nav-link:hover {
    color: var(--rb-color-accent);
  }
}

.rb-footer__social-links {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.rb-footer__social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  background-color: var(--rb-color-surface);
  border: 1px solid var(--rb-color-line);
  border-radius: var(--rb-radius);
  color: var(--rb-color-ink);
  transition: background-color var(--rb-dur-fast) var(--rb-ease),
              color var(--rb-dur-fast) var(--rb-ease);
}

@media (hover: hover) {
  .rb-footer__social-link:hover {
    background-color: var(--rb-color-accent);
    color: #FFFFFF;
  }
}

.rb-footer__bottom {
  padding: 1.5rem 0;
  border-top: 1px solid var(--rb-color-line);
  font-family: var(--rb-font-mono);
  font-size: 0.75rem;
  color: var(--rb-color-muted);
}

.rb-footer__bottom-inner {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

@media (min-width: 768px) {
  .rb-footer__bottom-inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.rb-footer__policy-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.rb-footer__policy-link {
  transition: color var(--rb-dur-fast) var(--rb-ease);
}

@media (hover: hover) {
  .rb-footer__policy-link:hover {
    color: var(--rb-color-accent);
  }
}

/* --------------------------------------------------------------------------
   20. FLOAT SOCIAL (.rb-float-social)
   -------------------------------------------------------------------------- */
.rb-float-social {
  position: fixed;
  bottom: 5.5rem;
  right: 1.5rem;
  z-index: 850;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}

body:has(.rb-sticky-atc.is-visible) .rb-float-social {
  bottom: 10.5rem;
}

.rb-float-social__toggle {
  width: 3.25rem;
  height: 3.25rem;
  border-radius: var(--rb-radius);
  background-color: var(--rb-color-accent);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--rb-shadow-2);
  border: none;
  cursor: pointer;
  transition: transform var(--rb-dur-fast) var(--rb-ease),
              background-color var(--rb-dur-fast) var(--rb-ease);
}

.rb-float-social__panel {
  position: absolute;
  bottom: 4rem;
  right: 0;
  width: 16rem;
  background-color: #FFFFFF;
  border: 1px solid var(--rb-color-line);
  border-radius: var(--rb-radius);
  box-shadow: var(--rb-shadow-2);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  visibility: hidden;
  opacity: 0;
  transform: translateY(0.5rem);
  transition: opacity var(--rb-dur-fast) var(--rb-ease),
              transform var(--rb-dur-fast) var(--rb-ease),
              visibility var(--rb-dur-fast) var(--rb-ease);
}

.rb-float-social.is-open .rb-float-social__panel {
  visibility: visible;
  opacity: 1;
  transform: translateY(0);
}

.rb-float-social__list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.rb-float-social__item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 0.75rem;
  border-radius: var(--rb-radius);
  background-color: var(--rb-color-surface);
  color: var(--rb-color-ink);
  font-size: 0.875rem;
  font-weight: 500;
  transition: background-color var(--rb-dur-fast) var(--rb-ease);
}

@media (hover: hover) {
  .rb-float-social__item:hover {
    background-color: var(--rb-color-surface-2);
  }
}

/* --------------------------------------------------------------------------
   99. RESPONSIVE VISIBILITY UTILITIES
   -------------------------------------------------------------------------- */
@media (max-width: 991px) {
  .hide-mobile {
    display: none;
  }
}

@media (min-width: 992px) {
  .hide-desktop {
    display: none;
  }
}

@media (min-width: 992px) and (max-width: 1199px) {
  .hide-tablet {
    display: none;
  }
}

/* --------------------------------------------------------------------------
   100. MINIMUM TARGET SIZE (WCAG 2.5.8)
   -------------------------------------------------------------------------- */
.rb-breadcrumb__link,
.rb-footer__nav-link,
.rb-footer__contact-item a {
  display: inline-flex;
  align-items: center;
  min-height: 1.5rem;
}

.rb-card__title a {
  display: inline-block;
  min-height: 1.5rem;
}

.rb-home-blog__view-all,
.rb-home-blog__read-more {
  min-height: 1.5rem;
}

@media (pointer: coarse) {
  .rb-breadcrumb__link,
  .rb-cart-breadcrumb__link,
  .rb-footer__nav-link,
  .rb-footer__contact-item a,
  .rb-link,
  .rb-pdp-box__vendor,
  .rb-pdp-bundle__title,
  .rb-home-blog__view-all,
  .rb-home-blog__read-more,
  .rb-article-card__read-more,
  .rb-article-related__all-link,
  a.rb-chip {
    display: inline-flex;
    align-items: center;
    min-height: 2.75rem;
  }

  .rb-footer__nav-list {
    gap: 0;
  }
}

/* --------------------------------------------------------------------------
   EFFECTS (site-wide)
   -------------------------------------------------------------------------- */
@view-transition {
  navigation: auto;
}

::view-transition-old(root),
::view-transition-new(root) {
  animation-duration: 220ms;
}

@keyframes rb-shine {
  from { background-position: 120% 0; }
  to { background-position: -20% 0; }
}

.rb-btn--primary {
  background-image: linear-gradient(110deg, transparent 35%, rgb(255 255 255 / 0.28) 50%, transparent 65%);
  background-repeat: no-repeat;
  background-size: 250% 100%;
  background-position: 120% 0;
}

@media (hover: hover) {
  .rb-btn--primary:not(:disabled):hover {
    animation: rb-shine 700ms var(--rb-ease) both;
  }
}

@supports (animation-timeline: scroll()) {
  @keyframes rb-scroll-progress {
    from { transform: scaleX(0); }
    to { transform: scaleX(1); }
  }

  .rb-header::after {
    content: "";
    position: absolute;
    inset: auto 0 -1px 0;
    height: 0.1875rem;
    background-color: var(--rb-color-accent);
    transform-origin: 0 50%;
    transform: scaleX(0);
    pointer-events: none;
    animation: rb-scroll-progress linear both;
    animation-timeline: scroll(root block);
  }
}

@supports (animation-timeline: view()) {
  @keyframes rb-reveal-up {
    from { opacity: 0; translate: 0 2rem; }
    to { opacity: 1; translate: 0 0; }
  }

  .rb-section__head,
  .rb-card,
  .rb-article-card,
  .rb-footer__grid > * {
    animation: rb-reveal-up linear both;
    animation-timeline: view();
    animation-range: entry 0% entry 50%;
  }

  .swiper .rb-card,
  .swiper .rb-article-card {
    animation: none;
  }
}