/* ==========================================================================
   product-detail.css - Product Detail Page Styles
   ========================================================================== */

/* ------------------------------------------------------------------
   Detail Hero
   ------------------------------------------------------------------ */
.detail-hero {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 50%, var(--color-primary-light) 100%);
  padding: var(--space-24) 0;
  position: relative;
  overflow: hidden;
}

.detail-hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.03);
}

.detail-hero__container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.detail-hero__content {
  max-width: 700px;
  position: relative;
  z-index: 1;
}

.detail-hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: rgba(255, 215, 0, 0.15);
  border: 1px solid rgba(255, 215, 0, 0.3);
  border-radius: var(--radius-full);
  color: var(--color-accent);
  font-size: var(--text-sm);
  font-weight: var(--font-bold);
  margin-bottom: var(--space-6);
}

.detail-hero__badge i {
  font-size: var(--text-xs);
}

.detail-hero__title {
  font-size: var(--text-5xl);
  font-weight: var(--font-bold);
  color: var(--color-white);
  line-height: var(--leading-tight);
  margin-bottom: var(--space-6);
}

.detail-hero__title span {
  color: var(--color-accent);
}

.detail-hero__subtitle {
  font-size: var(--text-xl);
  color: var(--color-gray-300);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-10);
  max-width: 600px;
}

.detail-hero__buttons {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

/* ------------------------------------------------------------------
   Selling Points Bar
   ------------------------------------------------------------------ */
.selling-points {
  background: var(--color-white);
  border-bottom: 1px solid var(--border-color);
  padding: var(--space-8) 0;
}

.selling-points__container {
  max-width: var(--container-wide);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.selling-points__grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--space-6);
}

.selling-points__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-3);
}

.selling-points__icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--color-gray-50);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  font-size: var(--text-xl);
  transition: all var(--transition-base);
}

.selling-points__item:hover .selling-points__icon {
  background: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.selling-points__text {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-gray-700);
  line-height: var(--leading-snug);
}

/* ------------------------------------------------------------------
   Advantage Section (Competitive Advantages)
   ------------------------------------------------------------------ */
.advantage-section {
  padding: var(--section-padding-lg);
}

.advantage-section__container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.advantage-section__content {
  padding-right: var(--space-8);
}

.advantage-section__title {
  font-size: var(--text-4xl);
  font-weight: var(--font-bold);
  color: var(--color-primary);
  margin-bottom: var(--space-8);
}

.advantage-section__text {
  font-size: var(--text-base);
  color: var(--color-gray-600);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-6);
}

.advantage-section__text strong {
  color: var(--color-primary);
  font-weight: var(--font-bold);
}

.advantage-section__image {
  width: 100%;
  height: 450px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, #e3e8ef 0%, #c5cdd8 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.advantage-section__image i {
  font-size: 80px;
  color: var(--color-gray-400);
}

/* ------------------------------------------------------------------
   Tech Features (3 feature cards)
   ------------------------------------------------------------------ */
.tech-features {
  padding: var(--section-padding);
  background: var(--color-gray-50);
}

.tech-features__container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.tech-features__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}

.tech-features__card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: all var(--transition-base);
}

.tech-features__card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

.tech-features__card-image {
  width: 100%;
  height: 200px;
  background: linear-gradient(135deg, #dce4ed 0%, #b8c5d4 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.tech-features__card-image i {
  font-size: 48px;
  color: var(--color-gray-400);
}

.tech-features__card-body {
  padding: var(--space-8);
}

.tech-features__card-title {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}

.tech-features__card-desc {
  font-size: var(--text-base);
  color: var(--color-gray-600);
  line-height: var(--leading-relaxed);
}

/* ------------------------------------------------------------------
   Gallery
   ------------------------------------------------------------------ */
.gallery {
  padding: var(--section-padding);
}

.gallery__container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.gallery__main {
  width: 100%;
  height: 500px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, #e0e7ef 0%, #c0cad6 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
  overflow: hidden;
}

.gallery__main i {
  font-size: 100px;
  color: var(--color-gray-400);
}

.gallery__thumbs {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-3);
}

.gallery__thumb {
  height: 90px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, #dce4ed 0%, #b8c5d4 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition-fast);
}

.gallery__thumb:hover,
.gallery__thumb--active,
.gallery__thumb.active {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.gallery__thumb i {
  font-size: 24px;
  color: var(--color-gray-400);
}

/* ------------------------------------------------------------------
   Specs Table
   ------------------------------------------------------------------ */
.specs-section {
  padding: var(--section-padding);
  background: var(--color-gray-50);
}

.specs-section__container {
  max-width: var(--container-wide);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.specs-section__header {
  text-align: center;
  margin-bottom: var(--space-12);
}

.specs-section__title {
  font-size: var(--text-4xl);
  font-weight: var(--font-bold);
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}

.specs-section__subtitle {
  font-size: var(--text-lg);
  color: var(--color-gray-600);
}

.specs-table-wrapper {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin-bottom: var(--space-4);
}

.specs-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.specs-table thead th {
  background: var(--color-primary);
  color: var(--color-white);
  font-weight: var(--font-bold);
  padding: var(--space-4) var(--space-3);
  text-align: center;
  white-space: nowrap;
  font-size: var(--text-sm);
  border-right: 1px solid rgba(255, 255, 255, 0.1);
}

.specs-table thead th:first-child {
  text-align: left;
  padding-left: var(--space-6);
  min-width: 200px;
}

.specs-table thead th:last-child {
  border-right: none;
}

.specs-table tbody td {
  padding: var(--space-3) var(--space-3);
  text-align: center;
  border-bottom: 1px solid var(--border-color-light);
  color: var(--color-gray-700);
  white-space: nowrap;
}

.specs-table tbody td:first-child {
  text-align: left;
  padding-left: var(--space-6);
  font-weight: var(--font-medium);
  color: var(--color-gray-800);
  background: var(--color-gray-50);
}

.specs-table tbody tr:hover td {
  background: rgba(var(--color-primary-rgb), 0.03);
}

.specs-table tbody tr:hover td:first-child {
  background: rgba(var(--color-primary-rgb), 0.06);
}

.specs-table tbody tr:last-child td {
  border-bottom: none;
}

/* ------------------------------------------------------------------
   Certification Section
   ------------------------------------------------------------------ */
.cert-section {
  padding: var(--section-padding);
  text-align: center;
}

.cert-section__container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.cert-section__logos {
  display: flex;
  justify-content: center;
  gap: var(--space-10);
  margin: var(--space-12) 0;
  flex-wrap: wrap;
}

.cert-section__logo {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  border: 3px solid var(--color-gray-200);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  color: var(--color-gray-600);
  background: var(--color-white);
  transition: all var(--transition-base);
}

.cert-section__logo:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.cert-section__desc {
  font-size: var(--text-lg);
  color: var(--color-gray-600);
  margin-bottom: var(--space-8);
}

/* ------------------------------------------------------------------
   Feature Deep Dive (alternating image+text)
   ------------------------------------------------------------------ */
.feature-deepdive {
  padding: var(--section-padding-lg);
}

.feature-deepdive__container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.feature-deepdive__item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
  margin-bottom: var(--space-20);
}

.feature-deepdive__item:last-child {
  margin-bottom: 0;
}

.feature-deepdive__item--reverse .feature-deepdive__image {
  order: 2;
}

.feature-deepdive__item--reverse .feature-deepdive__content {
  order: 1;
}

.feature-deepdive__image {
  width: 100%;
  height: 400px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, #dfe6ee 0%, #bcc7d3 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.feature-deepdive__image i {
  font-size: 64px;
  color: var(--color-gray-400);
}

.feature-deepdive__content {
  padding: var(--space-4) 0;
}

.feature-deepdive__title {
  font-size: var(--text-3xl);
  font-weight: var(--font-bold);
  color: var(--color-primary);
  margin-bottom: var(--space-6);
}

.feature-deepdive__text {
  font-size: var(--text-base);
  color: var(--color-gray-600);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-4);
}

.feature-deepdive__text strong {
  color: var(--color-primary);
  font-weight: var(--font-bold);
}

/* ------------------------------------------------------------------
   Application Tags
   ------------------------------------------------------------------ */
.app-tags {
  padding: var(--section-padding);
  background: var(--color-gray-50);
}

.app-tags__container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.app-tags__header {
  text-align: center;
  margin-bottom: var(--space-12);
}

.app-tags__tags {
  display: flex;
  justify-content: center;
  gap: var(--space-3);
  margin-bottom: var(--space-10);
  flex-wrap: wrap;
}

.app-tags__tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  background: var(--color-white);
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
  font-size: var(--text-sm);
  font-weight: var(--font-bold);
  transition: all var(--transition-fast);
  cursor: pointer;
}

.app-tags__tag:hover {
  background: var(--color-primary);
  color: var(--color-white);
}

.app-tags__tag i {
  font-size: var(--text-sm);
}

.app-tags__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

.app-tags__image {
  width: 100%;
  height: 250px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, #002A5C 0%, #003D7A 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  color: var(--color-white);
  transition: all var(--transition-base);
}

.app-tags__image:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.app-tags__image i {
  font-size: 40px;
  opacity: 0.8;
}

.app-tags__image-label {
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
}

/* ------------------------------------------------------------------
   Application Overview (short section)
   ------------------------------------------------------------------ */
.app-overview {
  padding: var(--section-padding);
  text-align: center;
}

.app-overview__container {
  max-width: var(--container-narrow);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.app-overview__title {
  font-size: var(--text-4xl);
  font-weight: var(--font-bold);
  color: var(--color-primary);
  margin-bottom: var(--space-6);
}

.app-overview__desc {
  font-size: var(--text-lg);
  color: var(--color-gray-600);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-10);
}

/* ------------------------------------------------------------------
   Contact Form Section
   ------------------------------------------------------------------ */
.contact-section {
  padding: var(--section-padding-lg);
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
}

.contact-section__container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.contact-section__header {
  text-align: center;
  margin-bottom: var(--space-12);
}

.contact-section__title {
  font-size: var(--text-4xl);
  font-weight: var(--font-bold);
  color: var(--color-white);
  margin-bottom: var(--space-4);
}

.contact-section__subtitle {
  font-size: var(--text-lg);
  color: var(--color-gray-300);
}

.contact-section__form {
  max-width: 800px;
  margin: 0 auto;
}

/* ------------------------------------------------------------------
   Responsive: Tablet (max-width: 1024px)
   ------------------------------------------------------------------ */
@media (max-width: 1024px) {
  .selling-points__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
  }

  .advantage-section__container {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }

  .advantage-section__content {
    padding-right: 0;
  }

  .advantage-section__image {
    height: 350px;
  }

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

  .feature-deepdive__item {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .feature-deepdive__item--reverse .feature-deepdive__image {
    order: 0;
  }

  .feature-deepdive__item--reverse .feature-deepdive__content {
    order: 0;
  }

  .feature-deepdive__image {
    height: 300px;
  }
}

/* ------------------------------------------------------------------
   Responsive: Mobile (max-width: 768px)
   ------------------------------------------------------------------ */
@media (max-width: 768px) {
  .detail-hero {
    padding: var(--space-16) 0;
  }

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

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

  .detail-hero__buttons {
    flex-direction: column;
  }

  .selling-points__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
  }

  .selling-points__icon {
    width: 44px;
    height: 44px;
    font-size: var(--text-lg);
  }

  .tech-features__grid {
    grid-template-columns: 1fr;
  }

  .gallery__main {
    height: 300px;
  }

  .gallery__thumbs {
    grid-template-columns: repeat(4, 1fr);
  }

  .specs-table {
    font-size: var(--text-xs);
  }

  .specs-table thead th,
  .specs-table tbody td {
    padding: var(--space-2) var(--space-2);
  }

  .cert-section__logos {
    gap: var(--space-6);
  }

  .cert-section__logo {
    width: 80px;
    height: 80px;
    font-size: var(--text-sm);
  }

  .app-tags__grid {
    grid-template-columns: 1fr;
  }

  .app-tags__image {
    height: 200px;
  }

  .feature-deepdive__image {
    height: 240px;
  }

  .advantage-section__image {
    height: 280px;
  }
}

/* ------------------------------------------------------------------
   Responsive: Small Mobile (max-width: 480px)
   ------------------------------------------------------------------ */
@media (max-width: 480px) {
  .detail-hero__title {
    font-size: var(--text-2xl);
  }

  .selling-points__grid {
    grid-template-columns: 1fr 1fr;
  }

  .gallery__thumbs {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ==========================================================================
   Product Page Breadcrumb
   ========================================================================== */
.breadcrumb {
  padding: 148px var(--container-padding) var(--space-4);
  background: var(--color-gray-50);
}

.breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: var(--space-2);
}

.breadcrumb__item {
  display: flex;
  align-items: center;
  font-size: var(--text-sm);
  color: var(--color-gray-600);
}

.breadcrumb__item a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-base);
}

.breadcrumb__item a:hover {
  color: var(--color-accent);
}

.breadcrumb__item:not(:last-child)::after {
  content: '/';
  margin-left: var(--space-2);
  color: var(--color-gray-400);
}

.breadcrumb__item--active {
  color: var(--color-gray-500);
}

/* ==========================================================================
   Product Hero Layout
   ========================================================================== */
.product-hero {
  padding: 48px 0 var(--space-16);
}

.product-hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: start;
}

.product-gallery {
  position: sticky;
  top: var(--space-8);
}

.product-gallery__main {
  width: 100%;
  aspect-ratio: 1;
  background: var(--color-gray-100);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: var(--space-4);
}

.product-gallery__main img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.product-gallery__thumbs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-2);
}

.product-gallery__thumb {
  aspect-ratio: 1;
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  border: 2px solid transparent;
  transition: border-color var(--transition-base);
}

.product-gallery__thumb:hover,
.product-gallery__thumb--active {
  border-color: var(--color-accent);
}

.product-gallery__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ==========================================================================
   Product Info
   ========================================================================== */
.product-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.product-info__sku {
  font-size: var(--text-sm);
  color: var(--color-gray-500);
}

.product-info__series {
  display: inline-block;
  padding: var(--space-2) var(--space-4);
  background: rgba(var(--color-accent-rgb), 0.12);
  color: var(--color-primary);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--font-bold);
  text-transform: uppercase;
}

.product-info__title {
  font-family: var(--font-heading);
  font-size: var(--text-4xl);
  font-weight: var(--font-bold);
  color: var(--color-gray-900);
  line-height: var(--leading-tight);
}

.product-info__short-desc {
  font-size: var(--text-lg);
  color: var(--color-gray-600);
}

.product-info__badge {
  display: inline-block;
}

.product-info__price {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-6);
  background: var(--color-gray-50);
  border-radius: var(--radius-lg);
}

.product-info__price-label {
  font-weight: var(--font-bold);
  color: var(--color-gray-700);
}

.product-info__price-value {
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  color: var(--color-primary);
}

.product-info__moq {
  font-size: var(--text-sm);
  color: var(--color-gray-500);
}

.product-specs {
  margin-top: var(--space-4);
}

.product-specs h3 {
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  margin-bottom: var(--space-4);
}

.product-specs__table {
  width: 100%;
  border-collapse: collapse;
}

.product-specs__table td {
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-gray-200);
}

.product-specs__table td:first-child {
  font-weight: var(--font-bold);
  color: var(--color-gray-700);
  width: 40%;
}

.product-info__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.product-features-inline {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-top: var(--space-6);
}

.product-feature-inline {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
}

.product-feature-inline i {
  color: var(--color-accent);
  font-size: var(--text-lg);
  margin-top: 2px;
}

.product-feature-inline strong {
  display: block;
  color: var(--color-gray-900);
}

.product-feature-inline p {
  font-size: var(--text-sm);
  color: var(--color-gray-600);
  margin: 0;
}

/* ==========================================================================
   Product Description
   ========================================================================== */
.product-description {
  max-width: 800px;
}

.product-description h2 {
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  margin-bottom: var(--space-6);
  color: var(--color-primary);
}

/* ==========================================================================
   Features Grid
   ========================================================================== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-8);
}

.feature-card {
  text-align: center;
  padding: var(--space-8);
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}

.feature-card__icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-6);
  background: rgba(var(--color-green-rgb), 0.1);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-2xl);
  color: var(--color-green);
}

.feature-card__title {
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  color: var(--color-gray-900);
  margin-bottom: var(--space-3);
}

.feature-card__desc {
  font-size: var(--text-sm);
  color: var(--color-gray-600);
  line-height: var(--leading-relaxed);
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 768px) {
  .product-hero__inner {
    grid-template-columns: 1fr;
  }

  .product-gallery {
    position: static;
  }

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

  .product-info__price {
    flex-direction: column;
    align-items: flex-start;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }
}