/* ============================================================
   VisionAQ — Residential Product Template Stylesheet
   For single-product-residential.php
   Version: 1.0.0
   ============================================================ */

/* === CSS Custom Properties (Design Tokens) === */
:root {
  /* Brand Colors — matched to visionaq.com (primary: #000055) */
  --vaq-blue:        #000055;
  --vaq-blue-light:  #1a1a6e;
  --vaq-blue-dark:   #000040;
  --vaq-blue-soft:   #E8ECF2;

  /* Neutral Colors */
  --vaq-white:       #FFFFFF;
  --vaq-off-white:   #F8F9FA;
  --vaq-light-grey:  #F2F2F2;
  --vaq-border:      #E0E4E8;
  --vaq-mid-grey:    #787F87;
  --vaq-text:        #484F56;
  --vaq-dark:        #212121;

  /* Status Colors */
  --vaq-success:     #0D7B4B;
  --vaq-success-bg:  #EDF7F1;
  --vaq-warning:     #B8600A;
  --vaq-warning-bg:  #FFF8ED;

  /* Typography */
  --vaq-font:        'Outfit', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --vaq-font-system: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Spacing */
  --vaq-section-gap: 64px;
  --vaq-content-max: 1280px;
  --vaq-radius-sm:   6px;
  --vaq-radius-md:   10px;
  --vaq-radius-lg:   16px;
  --vaq-radius-pill: 30px;

  /* Shadows */
  --vaq-shadow-sm:   0 1px 3px rgba(0,0,0,0.08);
  --vaq-shadow-md:   0 4px 12px rgba(0,0,0,0.10);
  --vaq-shadow-lg:   0 8px 30px rgba(0,0,0,0.12);

  /* Transitions */
  --vaq-transition:  0.25s ease;
}

/* === Reset & Base === */
.residential-product *,
.residential-product *::before,
.residential-product *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

.residential-product {
  font-family: var(--vaq-font);
  color: var(--vaq-text);
  background: var(--vaq-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.residential-product img {
  max-width: 100%;
  height: auto;
  display: block;
}

.residential-product a {
  color: var(--vaq-blue);
  text-decoration: none;
  transition: color var(--vaq-transition);
}
.residential-product a:hover {
  color: var(--vaq-blue-light);
}

/* === Utility Classes === */
.vaq-container {
  max-width: var(--vaq-content-max);
  margin: 0 auto;
  padding: 0 24px;
}

.vaq-section {
  padding: var(--vaq-section-gap) 0;
}

.vaq-section--alt {
  background: var(--vaq-off-white);
}

.vaq-section--dark {
  background: var(--vaq-blue);
  color: var(--vaq-white);
}

.vaq-sr-only {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

.vaq-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: var(--vaq-radius-pill);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.01em;
}

.vaq-badge--success {
  background: var(--vaq-success-bg);
  color: var(--vaq-success);
}

.vaq-badge--shipping {
  background: var(--vaq-blue-soft);
  color: var(--vaq-blue);
}

/* === Buttons === */
.vaq-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  border: none;
  border-radius: var(--vaq-radius-pill);
  font-family: var(--vaq-font);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--vaq-transition);
  text-decoration: none;
  white-space: nowrap;
}

.vaq-btn--primary {
  background: var(--vaq-blue);
  color: var(--vaq-white);
}
.vaq-btn--primary:hover {
  background: var(--vaq-blue-light);
  color: var(--vaq-white);
  transform: translateY(-1px);
  box-shadow: var(--vaq-shadow-md);
}

.vaq-btn--outline {
  background: transparent;
  color: var(--vaq-blue);
  border: 2px solid var(--vaq-blue);
}
.vaq-btn--outline:hover {
  background: var(--vaq-blue);
  color: var(--vaq-white);
}

.vaq-btn--white-outline {
  background: transparent;
  color: var(--vaq-white);
  border: 2px solid rgba(255,255,255,0.5);
}
.vaq-btn--white-outline:hover {
  background: rgba(255,255,255,0.10);
  border-color: var(--vaq-white);
}

.vaq-btn--lg {
  padding: 16px 40px;
  font-size: 16px;
}

.vaq-btn--block {
  width: 100%;
}

.vaq-btn--icon svg {
  width: 18px;
  height: 18px;
}

/* ============================================================
   STICKY ADD-TO-CART BAR
   ============================================================ */
.vaq-sticky-bar {
  position: fixed;
  bottom: -100px;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--vaq-white);
  border-top: 1px solid var(--vaq-border);
  box-shadow: 0 -4px 20px rgba(0,0,0,0.10);
  padding: 12px 0;
  transition: bottom 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}
.vaq-sticky-bar.is-visible {
  bottom: 0;
}

.vaq-sticky-bar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  max-width: var(--vaq-content-max);
  margin: 0 auto;
  padding: 0 24px;
}

.vaq-sticky-bar__info {
  display: flex;
  align-items: center;
  gap: 16px;
  min-width: 0;
}

.vaq-sticky-bar__thumb {
  width: 48px;
  height: 48px;
  border-radius: var(--vaq-radius-sm);
  object-fit: cover;
  flex-shrink: 0;
}

.vaq-sticky-bar__title {
  font-size: 15px;
  font-weight: 500;
  color: var(--vaq-dark);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.vaq-sticky-bar__actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.vaq-sticky-bar__price {
  font-size: 18px;
  font-weight: 700;
  color: var(--vaq-dark);
  white-space: nowrap;
}

/* ============================================================
   HERO SECTION
   ============================================================ */
.vaq-hero {
  padding: 40px 0 0;
  background: var(--vaq-white);
}

.vaq-hero__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

/* --- Product Gallery --- */
.vaq-gallery {
  position: sticky;
  top: 24px;
}

.vaq-gallery__main {
  position: relative;
  border-radius: var(--vaq-radius-lg);
  overflow: hidden;
  background: var(--vaq-off-white);
  aspect-ratio: 1 / 1;
  cursor: zoom-in;
}

.vaq-gallery__main img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform 0.3s ease;
}

.vaq-gallery__badge {
  position: absolute;
  top: 16px;
  left: 16px;
}

.vaq-gallery__thumbs {
  display: flex;
  gap: 10px;
  margin-top: 12px;
}

.vaq-gallery__thumb {
  width: 72px;
  height: 72px;
  border-radius: var(--vaq-radius-sm);
  border: 2px solid transparent;
  overflow: hidden;
  cursor: pointer;
  background: var(--vaq-off-white);
  transition: border-color var(--vaq-transition);
  flex-shrink: 0;
}
.vaq-gallery__thumb:hover,
.vaq-gallery__thumb.is-active {
  border-color: var(--vaq-blue);
}
.vaq-gallery__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* --- Product Info Card --- */
.vaq-product-info {
  padding-top: 8px;
}

.vaq-product-info__category {
  font-size: 13px;
  font-weight: 500;
  color: var(--vaq-mid-grey);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}

.vaq-product-info__title {
  font-family: var(--vaq-font);
  font-size: 32px;
  font-weight: 700;
  color: var(--vaq-dark);
  line-height: 1.25;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.vaq-product-info__short-desc {
  font-size: 16px;
  color: var(--vaq-text);
  line-height: 1.6;
  margin-bottom: 20px;
}

/* Price */
.vaq-product-info__price-row {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.vaq-product-info__price {
  font-size: 28px;
  font-weight: 700;
  color: var(--vaq-dark);
  letter-spacing: -0.02em;
}

.vaq-product-info__price-msrp {
  font-size: 16px;
  color: var(--vaq-mid-grey);
  text-decoration: line-through;
}

.vaq-product-info__price-save {
  font-size: 13px;
  font-weight: 600;
  color: var(--vaq-success);
}

.vaq-product-info__badges {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

/* Key Specs Snapshot (inside hero) */
.vaq-product-info__specs-snapshot {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  padding: 16px;
  background: var(--vaq-off-white);
  border-radius: var(--vaq-radius-md);
  margin-bottom: 24px;
}

.vaq-spec-snapshot {
  display: flex;
  align-items: center;
  gap: 10px;
}

.vaq-spec-snapshot__icon {
  width: 36px;
  height: 36px;
  border-radius: var(--vaq-radius-sm);
  background: var(--vaq-blue-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.vaq-spec-snapshot__icon svg {
  width: 18px;
  height: 18px;
  color: var(--vaq-blue);
  stroke: var(--vaq-blue);
}

.vaq-spec-snapshot__label {
  font-size: 11px;
  font-weight: 500;
  color: var(--vaq-mid-grey);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.vaq-spec-snapshot__value {
  font-size: 15px;
  font-weight: 600;
  color: var(--vaq-dark);
}

/* CTA Row */
.vaq-product-info__ctas {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.vaq-product-info__cta-note {
  font-size: 13px;
  color: var(--vaq-mid-grey);
  margin-top: 8px;
}

/* Trust strip */
.vaq-product-info__trust {
  display: flex;
  gap: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--vaq-border);
}

.vaq-trust-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--vaq-mid-grey);
}
.vaq-trust-item svg {
  width: 16px;
  height: 16px;
  color: var(--vaq-success);
  stroke: var(--vaq-success);
}

/* ============================================================
   BENEFITS GRID
   ============================================================ */
.vaq-benefits__header {
  text-align: center;
  margin-bottom: 48px;
}

.vaq-benefits__header h2 {
  font-size: 28px;
  font-weight: 700;
  color: var(--vaq-dark);
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.vaq-benefits__header p {
  font-size: 16px;
  color: var(--vaq-mid-grey);
  max-width: 560px;
  margin: 0 auto;
}

.vaq-benefits__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.vaq-benefit-card {
  background: var(--vaq-white);
  border: 1px solid var(--vaq-border);
  border-radius: var(--vaq-radius-md);
  padding: 28px 20px;
  text-align: center;
  transition: box-shadow var(--vaq-transition), transform var(--vaq-transition);
}

.vaq-benefit-card:hover {
  box-shadow: var(--vaq-shadow-md);
  transform: translateY(-2px);
}

.vaq-benefit-card__icon {
  width: 52px;
  height: 52px;
  margin: 0 auto 16px;
  border-radius: var(--vaq-radius-md);
  background: var(--vaq-blue-soft);
  display: flex;
  align-items: center;
  justify-content: center;
}

.vaq-benefit-card__icon svg {
  width: 24px;
  height: 24px;
  color: var(--vaq-blue);
  stroke: var(--vaq-blue);
}

.vaq-benefit-card__title {
  font-size: 15px;
  font-weight: 600;
  color: var(--vaq-dark);
  margin-bottom: 6px;
}

.vaq-benefit-card__text {
  font-size: 13px;
  color: var(--vaq-mid-grey);
  line-height: 1.5;
}

/* === Full Specs Table === */
.vaq-specs-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  border: 1px solid var(--vaq-border);
  border-radius: var(--vaq-radius-md);
  overflow: hidden;
}

.vaq-specs-table tr {
  transition: background var(--vaq-transition);
}
.vaq-specs-table tbody tr:nth-child(even) {
  background: var(--vaq-off-white);
}

.vaq-specs-table td,
.vaq-specs-table th {
  padding: 14px 20px;
  font-size: 14px;
  text-align: left;
  border-bottom: 1px solid var(--vaq-border);
}

.vaq-specs-table th {
  width: 35%;
  font-weight: 600;
  color: var(--vaq-dark);
  background: var(--vaq-off-white);
}

.vaq-specs-table td {
  color: var(--vaq-text);
}

.vaq-specs-table tr:last-child td,
.vaq-specs-table tr:last-child th {
  border-bottom: none;
}

/* ============================================================
   PRODUCT DESCRIPTION / FEATURES
   ============================================================ */
.vaq-desc__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.vaq-desc__text h2 {
  font-size: 26px;
  font-weight: 700;
  color: var(--vaq-dark);
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}

.vaq-desc__text p {
  font-size: 15px;
  color: var(--vaq-text);
  line-height: 1.7;
  margin-bottom: 16px;
}

.vaq-desc__text ul {
  list-style: none;
  padding: 0;
}

.vaq-desc__text li {
  position: relative;
  padding-left: 24px;
  font-size: 15px;
  color: var(--vaq-text);
  line-height: 1.6;
  margin-bottom: 10px;
}

.vaq-desc__text li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--vaq-blue);
  opacity: 0.18;
}

.vaq-desc__media {
  border-radius: var(--vaq-radius-lg);
  overflow: hidden;
  background: var(--vaq-off-white);
  aspect-ratio: 16/10;
}

.vaq-desc__media img,
.vaq-desc__media video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.vaq-desc__media--placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--vaq-mid-grey);
  font-size: 14px;
}

/* ============================================================
   COMPARISON TABLE
   ============================================================ */
.vaq-compare {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.vaq-compare__header {
  text-align: center;
  margin-bottom: 36px;
}
.vaq-compare__header h2 {
  font-size: 28px;
  font-weight: 700;
  color: var(--vaq-dark);
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.vaq-compare__table {
  width: 100%;
  min-width: 700px;
  border-collapse: separate;
  border-spacing: 0;
  border: 1px solid var(--vaq-border);
  border-radius: var(--vaq-radius-md);
  overflow: hidden;
  font-size: 14px;
}

.vaq-compare__table thead th {
  background: var(--vaq-blue);
  color: var(--vaq-white);
  padding: 16px 20px;
  font-weight: 600;
  text-align: center;
  border-right: 1px solid rgba(255,255,255,0.15);
}
.vaq-compare__table thead th:first-child {
  text-align: left;
  border-right: none;
}
.vaq-compare__table thead th:last-child {
  border-right: none;
}

.vaq-compare__table tbody td {
  padding: 14px 20px;
  text-align: center;
  border-bottom: 1px solid var(--vaq-border);
  color: var(--vaq-text);
}
.vaq-compare__table tbody td:first-child {
  text-align: left;
  font-weight: 600;
  color: var(--vaq-dark);
}

.vaq-compare__table tbody tr:nth-child(even) {
  background: var(--vaq-off-white);
}
.vaq-compare__table tbody tr:last-child td {
  border-bottom: none;
}

.vaq-compare__highlight {
  background: var(--vaq-blue-soft) !important;
}

.vaq-compare__cta-cell {
  padding: 16px 20px !important;
}

/* ============================================================
   SEO / FAQ SECTION
   ============================================================ */
.vaq-faq__header {
  text-align: center;
  margin-bottom: 40px;
}
.vaq-faq__header h2 {
  font-size: 28px;
  font-weight: 700;
  color: var(--vaq-dark);
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.vaq-faq__list {
  max-width: 800px;
  margin: 0 auto;
}

.vaq-faq-item {
  border-bottom: 1px solid var(--vaq-border);
}

.vaq-faq-item__question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 20px 0;
  background: none;
  border: none;
  font-family: var(--vaq-font);
  font-size: 16px;
  font-weight: 600;
  color: var(--vaq-dark);
  text-align: left;
  cursor: pointer;
  transition: color var(--vaq-transition);
}
.vaq-faq-item__question:hover {
  color: var(--vaq-blue);
}

.vaq-faq-item__icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  transition: transform var(--vaq-transition);
  color: var(--vaq-mid-grey);
  stroke: var(--vaq-mid-grey);
}

.vaq-faq-item.is-open .vaq-faq-item__icon {
  transform: rotate(45deg);
}

.vaq-faq-item__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
}
.vaq-faq-item.is-open .vaq-faq-item__answer {
  max-height: 500px;
}

.vaq-faq-item__answer-inner {
  padding: 0 0 20px;
  font-size: 15px;
  color: var(--vaq-text);
  line-height: 1.7;
}

/* SEO Content */
.vaq-seo-content {
  max-width: 800px;
  margin: 0 auto;
}

.vaq-seo-content h2 {
  font-size: 24px;
  font-weight: 700;
  color: var(--vaq-dark);
  margin-bottom: 12px;
  margin-top: 32px;
  letter-spacing: -0.01em;
}
.vaq-seo-content h2:first-child {
  margin-top: 0;
}

.vaq-seo-content p {
  font-size: 15px;
  color: var(--vaq-text);
  line-height: 1.7;
  margin-bottom: 16px;
}

.vaq-seo-content ul,
.vaq-seo-content ol {
  padding-left: 20px;
  margin-bottom: 16px;
}
.vaq-seo-content li {
  font-size: 15px;
  color: var(--vaq-text);
  line-height: 1.6;
  margin-bottom: 6px;
}

/* ============================================================
   REVIEWS / TRUST SIGNALS
   ============================================================ */
.vaq-reviews__header {
  text-align: center;
  margin-bottom: 36px;
}
.vaq-reviews__header h2 {
  font-size: 28px;
  font-weight: 700;
  color: var(--vaq-dark);
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.vaq-reviews__placeholder {
  text-align: center;
  padding: 48px 24px;
  background: var(--vaq-off-white);
  border-radius: var(--vaq-radius-md);
  border: 2px dashed var(--vaq-border);
  color: var(--vaq-mid-grey);
}
.vaq-reviews__placeholder p {
  font-size: 15px;
  margin-bottom: 8px;
}
.vaq-reviews__placeholder span {
  font-size: 13px;
}

.vaq-reviews__rating-stars {
  font-size: 24px;
  color: #E3A008;
  letter-spacing: 2px;
  margin-bottom: 12px;
}

.vaq-trust-badges {
  display: flex;
  justify-content: center;
  gap: 32px;
  margin-top: 32px;
  flex-wrap: wrap;
}

.vaq-trust-badge {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 500;
  color: var(--vaq-dark);
}
.vaq-trust-badge svg {
  width: 28px;
  height: 28px;
  color: var(--vaq-blue);
  stroke: var(--vaq-blue);
}

/* ============================================================
   RELATED PRODUCTS
   ============================================================ */
.vaq-related__header {
  text-align: center;
  margin-bottom: 36px;
}
.vaq-related__header h2 {
  font-size: 28px;
  font-weight: 700;
  color: var(--vaq-dark);
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.vaq-related__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.vaq-related-card {
  background: var(--vaq-white);
  border: 1px solid var(--vaq-border);
  border-radius: var(--vaq-radius-md);
  overflow: hidden;
  transition: box-shadow var(--vaq-transition), transform var(--vaq-transition);
}
.vaq-related-card:hover {
  box-shadow: var(--vaq-shadow-md);
  transform: translateY(-3px);
}

.vaq-related-card__img {
  aspect-ratio: 1/1;
  background: var(--vaq-off-white);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.vaq-related-card__img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 24px;
}

.vaq-related-card__body {
  padding: 20px;
}

.vaq-related-card__title {
  font-size: 16px;
  font-weight: 600;
  color: var(--vaq-dark);
  margin-bottom: 4px;
}

.vaq-related-card__desc {
  font-size: 13px;
  color: var(--vaq-mid-grey);
  line-height: 1.5;
  margin-bottom: 12px;
}

/* ============================================================
   FOOTER CTA
   ============================================================ */
.vaq-cta-banner {
  background: var(--vaq-blue);
  color: var(--vaq-white);
  text-align: center;
  padding: 64px 24px;
  position: relative;
  overflow: hidden;
}

.vaq-cta-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: rgba(255,255,255,0.03);
  pointer-events: none;
}

.vaq-cta-banner__inner {
  position: relative;
  z-index: 1;
  max-width: 640px;
  margin: 0 auto;
}

.vaq-cta-banner h2 {
  font-size: 30px;
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.vaq-cta-banner p {
  font-size: 16px;
  opacity: 0.85;
  margin-bottom: 28px;
  line-height: 1.6;
}

.vaq-cta-banner__actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ============================================================
   BREADCRUMBS
   ============================================================ */
.vaq-breadcrumbs {
  padding: 16px 0;
  font-size: 13px;
  color: var(--vaq-mid-grey);
}
.vaq-breadcrumbs a {
  color: var(--vaq-mid-grey);
  text-decoration: none;
}
.vaq-breadcrumbs a:hover {
  color: var(--vaq-blue);
}
.vaq-breadcrumbs .vaq-breadcrumbs__sep {
  margin: 0 8px;
}

/* ============================================================
   NOTIFICATION TOAST
   ============================================================ */
.vaq-toast {
  position: fixed;
  bottom: 100px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--vaq-dark);
  color: var(--vaq-white);
  padding: 12px 24px;
  border-radius: var(--vaq-radius-pill);
  font-size: 14px;
  font-weight: 500;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 1001;
  white-space: nowrap;
}
.vaq-toast.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

/* ============================================================
   RESPONSIVE — Tablet (< 1024px)
   ============================================================ */
@media (max-width: 1023px) {
  .vaq-hero__grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .vaq-gallery {
    position: static;
    max-width: 560px;
    margin: 0 auto;
  }

  .vaq-product-info__title {
    font-size: 28px;
  }

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

  .vaq-desc__grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .vaq-desc__media {
    order: -1;
  }

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

  .vaq-sticky-bar__title {
    display: none;
  }
}

/* ============================================================
   RESPONSIVE — Mobile (< 768px)
   ============================================================ */
@media (max-width: 767px) {
  :root {
    --vaq-section-gap: 48px;
  }

  .vaq-container {
    padding: 0 16px;
  }

  .vaq-hero {
    padding-top: 20px;
  }

  .vaq-hero__grid {
    gap: 24px;
  }

  .vaq-product-info__title {
    font-size: 24px;
  }

  .vaq-product-info__price {
    font-size: 24px;
  }

  .vaq-product-info__specs-snapshot {
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }

  .vaq-product-info__ctas {
    flex-direction: column;
  }

  .vaq-product-info__ctas .vaq-btn {
    width: 100%;
  }

  .vaq-benefits__grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .vaq-benefit-card {
    padding: 20px 16px;
  }

  .vaq-benefits__header h2,
  .vaq-compare__header h2,
  .vaq-faq__header h2,
  .vaq-reviews__header h2,
  .vaq-related__header h2 {
    font-size: 24px;
  }

  .vaq-specs-table td,
  .vaq-specs-table th {
    padding: 10px 14px;
    font-size: 13px;
  }

  .vaq-related__grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .vaq-cta-banner {
    padding: 48px 20px;
  }

  .vaq-cta-banner h2 {
    font-size: 24px;
  }

  .vaq-sticky-bar__thumb {
    display: none;
  }

  .vaq-sticky-bar__price {
    font-size: 16px;
  }

  .vaq-sticky-bar .vaq-btn {
    padding: 10px 20px;
    font-size: 13px;
  }

  .vaq-trust-badges {
    gap: 16px;
    flex-direction: column;
    align-items: center;
  }

  .vaq-product-info__trust {
    flex-direction: column;
    gap: 8px;
  }
}

/* ============================================================
   PRINT STYLES
   ============================================================ */
@media print {
  .vaq-sticky-bar,
  .vaq-cta-banner,
  .vaq-toast {
    display: none;
  }

  .vaq-hero__grid {
    display: block;
  }

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