/* ============================================
   CANADA PEPT — Components
   ============================================ */

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  padding: 14px 32px;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  white-space: nowrap;
  cursor: pointer;
  border: none;
  text-decoration: none;
  line-height: 1;
}

.btn--primary {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.btn--primary:hover {
  background-color: var(--color-primary-dark);
  box-shadow: 0 4px 16px rgba(196, 30, 42, 0.25);
}

.btn--secondary {
  background-color: transparent;
  color: var(--color-gray-900);
  border: 1px solid var(--color-border);
}

.btn--secondary:hover {
  border-color: var(--color-gray-300);
  background-color: var(--color-bg-alt);
}

.btn--outline-primary {
  background-color: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
}

.btn--outline-primary:hover {
  background-color: var(--color-primary-light);
}

.btn--lg {
  padding: 18px 40px;
  font-size: var(--text-base);
}

.btn--sm {
  padding: 10px 20px;
  font-size: var(--text-xs);
}

.btn__icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

/* ---- Cards ---- */
.card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  transition: box-shadow var(--transition-base), border-color var(--transition-base);
}

.card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-gray-300);
}

/* Differential Card */
.card--differential {
  text-align: center;
  padding: var(--space-2xl) var(--space-xl);
}

.card--differential .card__icon {
  width: 48px;
  height: 48px;
  margin: 0 auto var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-primary-light);
  border-radius: var(--radius-lg);
  color: var(--color-primary);
}

.card--differential .card__icon svg {
  width: 24px;
  height: 24px;
}

.card--differential .card__title {
  margin-bottom: var(--space-sm);
}

.card--differential .card__text {
  font-size: var(--text-sm);
  color: var(--color-gray-600);
}

/* Product Card */
.card--product {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.card--product:hover {
  border-color: rgba(196, 30, 42, 0.3);
}

.card--product .card__category {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-gray-600);
  background-color: var(--color-bg-alt);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  width: fit-content;
}

.card--product .card__title {
  font-size: var(--text-lg);
}

.card--product .card__text {
  font-size: var(--text-sm);
  color: var(--color-gray-600);
  line-height: 1.6;
  flex-grow: 1;
}

.card--product .card__variants {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.card__variant-pill {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: var(--font-medium);
  padding: 3px 10px;
  border-radius: var(--radius-full);
  background-color: var(--color-bg-alt);
  color: var(--color-gray-600);
  border: 1px solid var(--color-border-light);
}

.card--product .card__price {
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  color: var(--color-primary);
}

.card--product .card__price-label {
  font-size: var(--text-xs);
  color: var(--color-gray-400);
  font-weight: var(--font-regular);
}

.card--product .card__action {
  margin-top: auto;
  padding-top: var(--space-sm);
}

/* Trust Card */
.card--trust {
  text-align: center;
  padding: var(--space-2xl);
  border: 1px solid var(--color-border-light);
}

.card--trust .card__icon {
  width: 44px;
  height: 44px;
  margin: 0 auto var(--space-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
}

.card--trust .card__icon svg {
  width: 24px;
  height: 24px;
  stroke-width: 1.5;
}

.card--trust .card__title {
  font-size: var(--text-base);
  margin-bottom: var(--space-xs);
}

.card--trust .card__text {
  font-size: var(--text-sm);
  color: var(--color-gray-600);
}

/* ---- Hero ---- */
.hero {
  padding: var(--space-5xl) 0;
  position: relative;
  overflow: hidden;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4xl);
  align-items: center;
}

.hero__content {
  max-width: 560px;
}

.hero__label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  background-color: var(--color-primary-light);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-xl);
}

.hero__title {
  margin-bottom: var(--space-lg);
}

.hero__subtitle {
  font-size: var(--text-lg);
  color: var(--color-gray-600);
  line-height: 1.7;
  margin-bottom: var(--space-2xl);
}

.hero__actions {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.hero__visual {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.hero__visual-graphic {
  width: 100%;
  max-width: 480px;
  aspect-ratio: 1;
  position: relative;
}

/* Molecular visual decoration */
.hero__molecule {
  position: absolute;
  border-radius: 50%;
  border: 1px solid var(--color-border);
}

.hero__molecule--lg {
  width: 380px;
  height: 380px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  border-color: var(--color-border-light);
  animation: molecule-spin 30s linear infinite;
}

.hero__molecule--md {
  width: 260px;
  height: 260px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  border-color: var(--color-border);
  animation: molecule-spin 20s linear infinite reverse;
}

.hero__molecule--sm {
  width: 140px;
  height: 140px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  border-color: rgba(196, 30, 42, 0.2);
  animation: molecule-pulse 4s ease-in-out infinite;
}

@keyframes molecule-spin {
  from { transform: translate(-50%, -50%) rotate(0deg); }
  to { transform: translate(-50%, -50%) rotate(360deg); }
}

@keyframes molecule-pulse {
  0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.8; }
  50% { transform: translate(-50%, -50%) scale(1.08); opacity: 1; }
}

.hero__molecule-dot {
  position: absolute;
  width: 10px;
  height: 10px;
  background-color: var(--color-primary);
  border-radius: 50%;
  opacity: 0.6;
}

.hero__molecule-dot--1 { top: 10%; left: 50%; }
.hero__molecule-dot--2 { top: 50%; right: 5%; }
.hero__molecule-dot--3 { bottom: 15%; left: 20%; }
.hero__molecule-dot--4 { top: 30%; left: 10%; }
.hero__molecule-dot--5 { bottom: 30%; right: 15%; }

.hero__molecule-center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 64px;
  height: 64px;
  background-color: var(--color-primary-light);
  border: 2px solid rgba(196, 30, 42, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero__molecule-center svg {
  width: 28px;
  height: 28px;
  color: var(--color-primary);
}

/* ---- Catalog Toolbar ---- */
.catalog-toolbar {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
  align-items: center;
}

.catalog-search {
  position: relative;
  flex: 1;
  max-width: 400px;
}

.catalog-search__icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-gray-400);
  pointer-events: none;
}

.catalog-search__input {
  width: 100%;
  padding: 12px 16px 12px 42px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  color: var(--color-gray-900);
  background: var(--color-bg);
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.catalog-search__input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

.catalog-search__input::placeholder {
  color: var(--color-gray-400);
}

.catalog-sort {
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  color: var(--color-gray-600);
  background: var(--color-bg);
  cursor: pointer;
  outline: none;
  min-width: 160px;
  transition: border-color var(--transition-fast);
}

.catalog-sort:focus {
  border-color: var(--color-primary);
}

.catalog-empty {
  text-align: center;
  padding: var(--space-3xl) 0;
  color: var(--color-gray-400);
  font-size: var(--text-base);
}

/* ---- Category Filter / Pills ---- */
.filter {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-3xl);
  justify-content: center;
}

.filter__pill {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  padding: 10px 24px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  background-color: var(--color-bg);
  color: var(--color-gray-600);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter__pill:hover {
  border-color: var(--color-gray-300);
  color: var(--color-gray-900);
}

.filter__pill--active {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
}

.filter__pill--active:hover {
  background-color: var(--color-primary-dark);
  color: var(--color-white);
}

/* ---- Steps / Timeline ---- */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
  position: relative;
}

.steps::before {
  content: '';
  position: absolute;
  top: 28px;
  left: calc(12.5% + 20px);
  right: calc(12.5% + 20px);
  height: 1px;
  background: linear-gradient(to right, var(--color-border), var(--color-primary), var(--color-border));
}

.step {
  text-align: center;
  position: relative;
}

.step__number {
  width: 56px;
  height: 56px;
  margin: 0 auto var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-bg);
  border: 2px solid var(--color-border);
  border-radius: 50%;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: var(--font-bold);
  color: var(--color-gray-600);
  position: relative;
  z-index: 1;
  transition: all var(--transition-base);
}

.step:hover .step__number {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.step__title {
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-xs);
  color: var(--color-gray-900);
}

.step__text {
  font-size: var(--text-sm);
  color: var(--color-gray-600);
}

/* Steps vertical (contact page) */
.steps--vertical {
  grid-template-columns: 1fr;
  gap: 0;
  max-width: 600px;
}

.steps--vertical::before {
  display: none;
}

.step--vertical {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: var(--space-xl);
  text-align: left;
  padding-bottom: var(--space-2xl);
  position: relative;
}

.step--vertical:not(:last-child)::after {
  content: '';
  position: absolute;
  left: 28px;
  top: 56px;
  bottom: 0;
  width: 1px;
  background-color: var(--color-border);
}

.step--vertical .step__number {
  margin: 0;
}

.step--vertical .step__content {
  padding-top: var(--space-md);
}

/* ---- FAQ Accordion ---- */
.faq__item {
  border-bottom: 1px solid var(--color-border-light);
}

.faq__question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--space-xl) 0;
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  color: var(--color-gray-900);
  text-align: left;
  cursor: pointer;
  background: none;
  border: none;
  gap: var(--space-md);
}

.faq__question:hover {
  color: var(--color-primary);
}

.faq__icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  transition: transform var(--transition-base);
  color: var(--color-gray-400);
}

.faq__item--open .faq__icon {
  transform: rotate(45deg);
  color: var(--color-primary);
}

.faq__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}

.faq__answer-inner {
  padding-bottom: var(--space-xl);
  font-size: var(--text-sm);
  color: var(--color-gray-600);
  line-height: 1.7;
}

/* ---- Form ---- */
.form {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.form__group {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.form__label {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-gray-900);
}

.form__input,
.form__textarea {
  padding: 14px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  color: var(--color-gray-900);
  background-color: var(--color-bg);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}

.form__input:focus,
.form__textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

.form__input::placeholder,
.form__textarea::placeholder {
  color: var(--color-gray-400);
}

.form__textarea {
  resize: vertical;
  min-height: 120px;
}

/* ---- Disclaimer ---- */
.disclaimer {
  font-size: var(--text-xs);
  color: var(--color-gray-400);
  line-height: 1.6;
  text-align: center;
  padding: var(--space-2xl) 0;
  border-top: 1px solid var(--color-border-light);
  margin-top: var(--space-3xl);
}

/* ---- CTA Section ---- */
.cta-section {
  text-align: center;
  padding: var(--section-padding-lg) 0;
}

.cta-section__title {
  margin-bottom: var(--space-md);
}

.cta-section__text {
  font-size: var(--text-lg);
  color: var(--color-gray-600);
  max-width: 500px;
  margin: 0 auto var(--space-2xl);
}

/* ---- Contact Info ---- */
.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.contact-info__item {
  display: flex;
  gap: var(--space-md);
  align-items: start;
}

.contact-info__icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-primary-light);
  border-radius: var(--radius-md);
  color: var(--color-primary);
  flex-shrink: 0;
}

.contact-info__icon svg {
  width: 20px;
  height: 20px;
}

.contact-info__label {
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-gray-400);
  margin-bottom: 2px;
}

.contact-info__value {
  font-size: var(--text-base);
  font-weight: var(--font-medium);
  color: var(--color-gray-900);
}

/* ---- Cart Icon (Header) ---- */
.header__cart {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  color: var(--color-gray-600);
  transition: all var(--transition-fast);
}

.header__cart:hover {
  background-color: var(--color-bg-alt);
  color: var(--color-gray-900);
}

.cart-badge {
  position: absolute;
  top: 2px;
  right: 0;
  min-width: 18px;
  height: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: var(--font-bold);
  background-color: var(--color-primary);
  color: white;
  border-radius: var(--radius-full);
  padding: 0 5px;
}

/* ---- Cart Notification ---- */
.cart-notification {
  position: fixed;
  bottom: var(--space-xl);
  right: var(--space-xl);
  z-index: 200;
  display: flex;
  align-items: center;
  gap: var(--space-md);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-md) var(--space-xl);
  box-shadow: var(--shadow-lg);
  transform: translateY(20px);
  opacity: 0;
  transition: all var(--transition-base);
  font-size: var(--text-sm);
  color: var(--color-gray-700);
}

.cart-notification--visible {
  transform: translateY(0);
  opacity: 1;
}

.cart-notification svg {
  color: #16a34a;
  flex-shrink: 0;
}

.cart-notification__link {
  font-weight: var(--font-semibold);
  color: var(--color-primary);
  white-space: nowrap;
  margin-left: var(--space-sm);
}

/* ---- Cart Page ---- */
.cart-empty {
  text-align: center;
  padding: var(--space-4xl) 0;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.cart-layout {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: var(--space-3xl);
  align-items: start;
}

.cart-item {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  padding: var(--space-xl) 0;
  border-bottom: 1px solid var(--color-border-light);
}

.cart-item:first-child {
  padding-top: 0;
}

.cart-item__info {
  flex: 1;
  min-width: 0;
}

.cart-item__name {
  display: block;
  font-weight: var(--font-semibold);
  color: var(--color-gray-900);
  font-size: var(--text-base);
  margin-bottom: 2px;
}

.cart-item__name:hover {
  color: var(--color-primary);
}

.cart-item__mg {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-gray-400);
  text-transform: uppercase;
}

.cart-item__controls {
  flex-shrink: 0;
}

.quantity-selector--sm .quantity-selector__btn {
  width: 34px;
  height: 34px;
  font-size: var(--text-base);
}

.quantity-selector--sm .quantity-selector__input {
  width: 40px;
  height: 34px;
  font-size: var(--text-sm);
}

.cart-item__price {
  text-align: right;
  min-width: 120px;
  flex-shrink: 0;
}

.cart-item__unit {
  display: block;
  font-size: var(--text-xs);
  color: var(--color-gray-400);
  margin-bottom: 2px;
}

.cart-item__subtotal {
  font-size: var(--text-base);
  font-weight: var(--font-bold);
  color: var(--color-gray-900);
}

.cart-item__remove {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: var(--radius-md);
  color: var(--color-gray-400);
  cursor: pointer;
  transition: all var(--transition-fast);
  flex-shrink: 0;
  background: none;
  border: none;
}

.cart-item__remove:hover {
  background-color: rgba(196, 30, 42, 0.08);
  color: var(--color-primary);
}

/* Cart Sidebar */
.cart-sidebar__card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  position: sticky;
  top: calc(var(--header-height) + var(--space-xl));
}

.cart-sidebar__title {
  font-size: var(--text-lg);
  margin-bottom: var(--space-xl);
}

.cart-sidebar__row {
  display: flex;
  justify-content: space-between;
  gap: var(--space-md);
  padding: var(--space-sm) 0;
  font-size: var(--text-sm);
  color: var(--color-gray-600);
}

.cart-sidebar__total {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-lg);
  margin-top: var(--space-md);
  border-top: 2px solid var(--color-gray-900);
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--color-gray-900);
}

.cart-clear-btn {
  display: block;
  width: 100%;
  margin-top: var(--space-md);
  padding: var(--space-md);
  text-align: center;
  font-size: var(--text-sm);
  color: var(--color-gray-400);
  background: none;
  border: none;
  cursor: pointer;
  transition: color var(--transition-fast);
}

.cart-clear-btn:hover {
  color: var(--color-primary);
}

/* ---- Catalog Count ---- */
.catalog-count {
  font-size: var(--text-sm);
  color: var(--color-gray-400);
  margin-bottom: var(--space-lg);
  text-align: center;
}

/* ---- Back to Top ---- */
.back-to-top {
  position: fixed;
  bottom: calc(var(--space-xl) + 70px);
  right: var(--space-xl);
  z-index: 89;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  color: var(--color-gray-600);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  opacity: 0;
  pointer-events: none;
  transition: all var(--transition-base);
}

.back-to-top--visible {
  opacity: 1;
  pointer-events: auto;
}

.back-to-top:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

/* ---- Stats Section ---- */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
  text-align: center;
}

.stat__number {
  font-family: var(--font-mono);
  font-size: var(--text-4xl);
  font-weight: var(--font-extrabold);
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--space-sm);
}

.stat__label {
  font-size: var(--text-sm);
  color: var(--color-gray-600);
}

/* ---- WhatsApp Tooltip ---- */
.whatsapp-float::after {
  content: 'Fale conosco';
  position: absolute;
  right: calc(100% + 10px);
  top: 50%;
  transform: translateY(-50%);
  background: var(--color-gray-900);
  color: white;
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
}

.whatsapp-float:hover::after {
  opacity: 1;
}

/* ---- Page Transition ---- */
.main {
  animation: page-fade-in 0.35s ease;
}

@keyframes page-fade-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---- Product Skeleton ---- */
.product-skeleton {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-4xl);
}

.skeleton-block {
  background: linear-gradient(90deg, var(--color-bg-alt) 25%, var(--color-border-light) 50%, var(--color-bg-alt) 75%);
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.5s infinite;
  border-radius: var(--radius-md);
}

.skeleton-block--title { height: 40px; width: 60%; margin-bottom: var(--space-md); }
.skeleton-block--tag { height: 24px; width: 120px; margin-bottom: var(--space-lg); border-radius: var(--radius-full); }
.skeleton-block--text { height: 16px; width: 100%; margin-bottom: var(--space-sm); }
.skeleton-block--text-short { height: 16px; width: 75%; margin-bottom: var(--space-xl); }
.skeleton-block--card { height: 320px; border-radius: var(--radius-xl); }

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

/* ---- Testimonials ---- */
.testimonials {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.testimonial {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  transition: box-shadow var(--transition-base), border-color var(--transition-base);
}

.testimonial:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-gray-300);
}

.testimonial__stars {
  display: flex;
  gap: 2px;
}

.testimonial__star {
  color: #F59E0B;
}

.testimonial__text {
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--color-gray-600);
  font-style: normal;
  flex-grow: 1;
}

.testimonial__author {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border-light);
}

.testimonial__avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--font-bold);
  font-size: var(--text-sm);
  flex-shrink: 0;
}

.testimonial__name {
  display: block;
  font-weight: var(--font-semibold);
  font-size: var(--text-sm);
  color: var(--color-gray-900);
}

.testimonial__role {
  font-size: var(--text-xs);
  color: var(--color-gray-400);
}

/* ---- WhatsApp Floating Button ---- */
.whatsapp-float {
  position: fixed;
  bottom: var(--space-xl);
  right: var(--space-xl);
  z-index: 90;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background-color: #25D366;
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.35);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  text-decoration: none;
}

.whatsapp-float:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 24px rgba(37, 211, 102, 0.45);
}

.whatsapp-float svg {
  width: 28px;
  height: 28px;
}

/* ---- Breadcrumb ---- */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--text-sm);
}

.breadcrumb__link {
  color: var(--color-gray-400);
  transition: color var(--transition-fast);
}

.breadcrumb__link:hover {
  color: var(--color-primary);
}

.breadcrumb__sep {
  color: var(--color-gray-300);
}

.breadcrumb__current {
  color: var(--color-gray-600);
  font-weight: var(--font-medium);
}

/* ---- Product Page ---- */
.product__layout {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-4xl);
  align-items: start;
}

.product__name {
  font-size: var(--text-4xl);
  margin: var(--space-md) 0 var(--space-xl);
}

.product__description {
  font-size: var(--text-lg);
  line-height: 1.8;
  color: var(--color-gray-600);
  margin-bottom: var(--space-2xl);
}

.product__highlights {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.product__highlight {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--text-base);
  color: var(--color-gray-700);
}

.product__highlight-icon {
  width: 20px;
  height: 20px;
  color: var(--color-primary);
  flex-shrink: 0;
}

/* Order Card */
.product__order-card {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  position: sticky;
  top: calc(var(--header-height) + var(--space-xl));
}

.product__order-title {
  font-size: var(--text-lg);
  margin-bottom: var(--space-xl);
}

.product__variants {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
}

.variant {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: var(--space-md) var(--space-lg);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
  min-width: 100px;
  text-align: center;
}

.variant:hover {
  border-color: var(--color-gray-300);
}

.variant--selected {
  border-color: var(--color-primary);
  background-color: var(--color-primary-light);
}

.variant__mg {
  display: flex;
  align-items: baseline;
  gap: 2px;
}

.variant__mg-value {
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  color: var(--color-gray-900);
}

.variant__mg-unit {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-gray-400);
  text-transform: uppercase;
}

.variant__price {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-primary);
}

/* Quantity Selector */
.product__quantity {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-xl);
}

.product__quantity-label {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-gray-900);
}

.quantity-selector {
  display: flex;
  align-items: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.quantity-selector__btn {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--color-gray-600);
  background: var(--color-bg);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  user-select: none;
}

.quantity-selector__btn:hover {
  background-color: var(--color-bg-alt);
  color: var(--color-gray-900);
}

.quantity-selector__btn:active {
  background-color: var(--color-primary-light);
  color: var(--color-primary);
}

.quantity-selector__input {
  width: 52px;
  height: 44px;
  text-align: center;
  border: none;
  border-left: 1px solid var(--color-border);
  border-right: 1px solid var(--color-border);
  font-family: var(--font-mono);
  font-size: var(--text-base);
  font-weight: var(--font-bold);
  color: var(--color-gray-900);
  background: var(--color-bg);
  -moz-appearance: textfield;
  outline: none;
}

.quantity-selector__input::-webkit-outer-spin-button,
.quantity-selector__input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.product__order-summary {
  padding: var(--space-lg);
  background-color: var(--color-bg-alt);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.product__order-selected,
.product__order-total {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.product__order-label {
  font-size: var(--text-sm);
  color: var(--color-gray-400);
}

.product__order-value {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-gray-900);
}

.product__order-price {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--color-primary);
}

.product__order-btn {
  width: 100%;
  margin-bottom: var(--space-md);
}

.product__order-note {
  font-size: var(--text-xs);
  color: var(--color-gray-400);
  text-align: center;
}

.product-notfound {
  text-align: center;
  padding: var(--space-5xl) 0;
}

/* ============================================
   RESPONSIVE — All Components
   ============================================ */

/* -- Tablet landscape (1024px) -- */
@media (max-width: 1024px) {
  .hero__visual-graphic {
    max-width: 360px;
  }

  .testimonials {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* -- Tablet portrait (768px) -- */
@media (max-width: 768px) {

  /* Hero */
  .hero__inner {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
    text-align: center;
  }

  .hero__content {
    max-width: 100%;
  }

  .hero__actions {
    justify-content: center;
    flex-direction: column;
    align-items: center;
  }

  .hero__actions .btn {
    width: 100%;
    max-width: 320px;
  }

  .hero__visual-graphic {
    max-width: 260px;
    margin: 0 auto;
  }

  .hero__label {
    margin-bottom: var(--space-md);
  }

  /* Steps */
  .steps {
    grid-template-columns: repeat(2, 1fr);
  }

  .steps::before {
    display: none;
  }

  /* Filter pills — horizontal scroll */
  .filter {
    justify-content: flex-start;
    overflow-x: auto;
    flex-wrap: nowrap;
    padding-bottom: var(--space-sm);
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    gap: var(--space-xs);
  }

  .filter__pill {
    flex-shrink: 0;
    padding: 8px 18px;
  }

  /* Catalog toolbar */
  .catalog-toolbar {
    flex-direction: column;
  }

  .catalog-search {
    max-width: 100%;
  }

  .catalog-sort {
    width: 100%;
  }

  /* Testimonials */
  .testimonials {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  /* Stats */
  .stats {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
  }

  /* Product page */
  .product__layout {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

  .product__order-card {
    position: static;
  }

  .product__name {
    font-size: var(--text-2xl);
  }

  .product-skeleton {
    grid-template-columns: 1fr;
  }

  /* Contact form (inline grid override) */
  .contato-grid {
    grid-template-columns: 1fr !important;
  }

  /* Cart */
  .cart-layout {
    grid-template-columns: 1fr;
  }

  .cart-sidebar__card {
    position: static;
  }

  .cart-item {
    display: grid;
    grid-template-columns: 1fr auto;
    grid-template-rows: auto auto;
    gap: var(--space-sm) var(--space-md);
    align-items: center;
  }

  .cart-item__info {
    grid-column: 1;
    grid-row: 1;
  }

  .cart-item__remove {
    grid-column: 2;
    grid-row: 1;
    align-self: start;
  }

  .cart-item__controls {
    grid-column: 1;
    grid-row: 2;
  }

  .cart-item__price {
    grid-column: 2;
    grid-row: 2;
    min-width: auto;
    text-align: right;
  }

  /* Quantity — touch friendly 44px */
  .quantity-selector__btn {
    width: 44px;
    height: 44px;
  }

  .quantity-selector__input {
    width: 50px;
    height: 44px;
  }

  .quantity-selector--sm .quantity-selector__btn {
    width: 40px;
    height: 40px;
  }

  .quantity-selector--sm .quantity-selector__input {
    width: 44px;
    height: 40px;
  }

  /* Buttons */
  .btn {
    padding: 12px 22px;
  }

  .btn--lg {
    padding: 14px 28px;
  }

  /* Back to top — avoid overlap with WhatsApp */
  .back-to-top {
    bottom: calc(var(--space-lg) + 72px);
    right: var(--space-lg);
  }

  /* WhatsApp tooltip — hide on touch */
  .whatsapp-float::after {
    display: none;
  }

  .whatsapp-float {
    bottom: var(--space-lg);
    right: var(--space-lg);
    width: 52px;
    height: 52px;
  }

  .whatsapp-float svg {
    width: 26px;
    height: 26px;
  }

  /* Cart notification */
  .cart-notification {
    left: var(--space-md);
    right: var(--space-md);
    bottom: var(--space-md);
  }

  /* Header cart */
  .header__cart {
    width: 44px;
    height: 44px;
  }
}

/* -- Phone (480px) -- */
@media (max-width: 480px) {

  /* Hero */
  .hero {
    padding: var(--space-2xl) 0;
  }

  .hero__visual-graphic {
    max-width: 200px;
  }

  .hero__title {
    font-size: var(--text-2xl);
  }

  .hero__subtitle {
    font-size: var(--text-base);
  }

  .hero__actions .btn {
    max-width: 100%;
  }

  /* Steps */
  .steps {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  /* Stats */
  .stats {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .stat__number {
    font-size: var(--text-3xl);
  }

  /* Product */
  .product__name {
    font-size: var(--text-xl);
  }

  .product__description {
    font-size: var(--text-base);
  }

  .product__layout {
    gap: var(--space-lg);
  }

  /* Variants — 2 per row */
  .product__variants {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
  }

  .variant {
    min-width: 0;
  }

  /* Buttons */
  .btn--lg {
    padding: 14px 20px;
    width: 100%;
    font-size: var(--text-sm);
  }

  /* Cards */
  .card {
    padding: var(--space-lg);
  }

  .card--differential {
    padding: var(--space-lg) var(--space-md);
  }

  /* Catalog */
  .catalog-search__input,
  .catalog-sort {
    min-height: 44px;
  }

  /* Cart */
  .cart-item {
    grid-template-columns: 1fr auto;
  }

  .cart-item__remove {
    grid-row: 1;
    grid-column: 2;
  }

  /* Section header */
  .section__subtitle {
    font-size: var(--text-base);
  }
}