/*
 * components.css
 * Shared UI Components — Bnood Industrial V1
 *
 * Source of truth: docs/02_UX_UI/UI_TOKENS.md, docs/02_UX_UI/DESIGN_SYSTEM.md
 * Task: B02-T03 — Create Shared Components CSS
 * Batch: B02 — UI Foundation & Shared Layouts
 *
 * Components:
 *   1. Buttons
 *   2. Surface Cards
 *   3. Product Card
 *   4. Category Card
 *   5. Admin Card
 *   6. Badges / Status
 *   7. Forms
 *   8. Data Table
 *   9. Alert
 *   10. Empty State
 *   11. Loading / Skeleton
 *   12. Breadcrumb
 *   13. Icon helpers
 *   14. Patterns
 *   15. Motion utilities
 *   16. Partners / Logos section
 *
 * Rules:
 * - All values must reference tokens from tokens.css.
 * - No Tailwind, Bootstrap, Sass, or CSS framework.
 * - No ecommerce components (cart, ratings, reviews, wishlist).
 * - No page-specific or layout-only classes here.
 * - No fake content.
 */


/* ============================================================
   1. BUTTONS (Stable System)
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
  min-width: 0;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 12px;
  font-family: var(--font-family-base);
  font-weight: 700;
  transition: transform .18s ease, box-shadow .18s ease, background-color .18s ease, border-color .18s ease;
  cursor: pointer;
  border: 1px solid transparent;
  user-select: none;
  text-decoration: none;
  -webkit-tap-highlight-color: transparent;
  position: relative;
  z-index: 1;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:active {
  transform: scale(.98);
}

/* Primary Button (Dark navy/black background, white text) */
.btn-primary,
.btn--primary {
  background: #080d18;
  color: #fff;
  border: 1px solid #080d18;
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover,
.btn--primary:hover {
  background: #111827;
  color: #fff !important;
  border-color: #111827;
  box-shadow: var(--shadow-md);
}

/* Secondary Button (White with border) */
.btn-secondary,
.btn-outline {
  background: #fff;
  color: #080d18;
  border: 1px solid #d7deea;
}
.btn-secondary:hover,
.btn-outline:hover {
  background: #f7f9fc;
  color: #080d18 !important;
  border-color: #9aa6b8;
}

/* Accent Button (Yellow only for important badges or CTA highlights) */
.btn-accent {
  background: #f7c948;
  color: #080d18;
  border: 1px solid #f7c948;
  box-shadow: 0 4px 12px rgba(247, 201, 72, 0.2);
}
.btn-accent:hover {
  background: #eabf35;
  color: #080d18 !important;
  border-color: #eabf35;
}

/* WhatsApp Button (Green only for WhatsApp actions) */
.btn-whatsapp {
  background: #25D366;
  color: #fff;
  border-color: #25D366;
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.2);
}
.btn-whatsapp:hover {
  background: #20ba5a;
  color: #fff !important;
  border-color: #20ba5a;
}

/* Inverted / Outline Inverted Button (For dark backgrounds) */
.btn-inverted, .btn-outline-inverted {
  background: transparent;
  color: var(--color-text-inverted);
  border-color: rgba(255, 255, 255, 0.4);
}
.btn-inverted:hover, .btn-outline-inverted:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: #ffffff;
  color: var(--color-text-inverted) !important;
}

/* Sizes */
.btn-sm { min-height: 36px; height: 36px; padding-inline: 14px; border-radius: 10px; font-size: 13px; }
.btn-md { min-height: 44px; height: 44px; padding-inline: 18px; border-radius: 12px; font-size: 14px; }
.btn-lg { min-height: 50px; height: 50px; padding-inline: 24px; border-radius: 12px; font-size: 15px; }

/* Disabled */
.btn:disabled, .btn[aria-disabled="true"] {
  background: var(--color-text-soft) !important;
  border-color: var(--color-text-soft) !important;
  color: var(--color-text-inverted) !important;
  cursor: not-allowed;
  box-shadow: none !important;
  transform: none !important;
  opacity: 0.70;
}

.btn-icon {
  width: 18px;
  height: 18px;
  flex: 0 0 18px;
}

/* Mobile full width */
@media (max-width: 767px) {
  .btn-mobile-full {
    width: 100%;
    height: 48px;
  }
}

/* ============================================================
   2. SURFACE CARDS
   ============================================================ */

.surface-card {
  background: var(--color-bg-white);
  border: var(--border-soft);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
}

.surface-card-clickable {
  transition:
    transform   var(--duration-normal) var(--ease-standard),
    box-shadow  var(--duration-normal) var(--ease-standard),
    border-color var(--duration-normal) var(--ease-standard);
}

.surface-card-clickable:hover {
  transform: translateY(var(--hover-lift-card));
  box-shadow: var(--shadow-card-hover);
  border-color: var(--color-border-default);
}

/* Dark CTA panel */
.panel-dark-cta {
  background: var(--color-bg-dark);
  color: var(--color-text-inverted);
  border: var(--border-dark-soft);
  border-radius: 24px;
  box-shadow: var(--shadow-floating);
  padding: var(--space-40);
}

@media (max-width: 767px) {
  .panel-dark-cta {
    padding: var(--space-24);
    border-radius: 18px;
  }
}


/* ============================================================
   3. PRODUCT CARD (Standardized 1:1 aspect-ratio)
   ============================================================ */

.product-card {
  background: #fff;
  border: 1px solid #e4e8f0;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 22px 50px rgba(15, 23, 42, .12);
  border-color: rgba(15, 23, 42, .18);
}

.product-image-box,
.product-gallery-main,
.product-card-media,
.product-card__media,
.product-gallery__main {
  aspect-ratio: 1 / 1;
  width: 100%;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

.product-image-box img,
.product-gallery-main img,
.product-card-media img,
.product-card__image,
.product-gallery__image {
  width: 88%;
  height: 88%;
  object-fit: contain;
  object-position: center;
  display: block;
  transition: transform .3s ease;
}

.product-card:hover .product-image-box img,
.product-card:hover .product-gallery-main img,
.product-card:hover .product-card-media img,
.product-card:hover .product-card__image,
.product-card:hover .product-gallery__image {
  transform: scale(1.045);
}

.product-card__content {
  padding: var(--space-20);
  display: flex;
  flex-direction: column;
  gap: var(--space-10);
  flex: 1;
}

.product-card__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: var(--font-micro);
}

.product-card__category {
  background: #fff4c7;
  color: #080d18;
  padding: 2px 8px;
  border-radius: 999px;
  font-weight: 700;
}

.product-card__code {
  font-family: var(--font-family-mono);
  color: var(--color-text-muted);
}

.product-card__title {
  font-size: 18px;
  line-height: var(--line-card);
  font-weight: var(--font-weight-extrabold);
  color: var(--color-text-heading);
}

.product-card__technical-name {
  font-size: var(--font-caption);
  color: var(--color-text-muted);
  font-style: italic;
}

.product-card__description {
  font-size: var(--font-body-sm);
  line-height: 1.65;
  color: var(--color-text-secondary);
}

.product-card__specs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-6);
  margin-block: var(--space-10);
}

.product-card__spec-chip {
  background: var(--color-bg-technical);
  color: var(--color-text-secondary);
  font-size: 11px;
  padding: 3px 8px;
  border-radius: 999px;
  border: 1px solid var(--color-border-soft);
}

.product-card__actions {
  margin-top: auto;
  display: flex;
  gap: var(--space-10);
}

/* Product Grid */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 360px));
  justify-content: center;
  gap: 24px;
}

@media (max-width: 767px) {
  .product-grid {
    grid-template-columns: 1fr;
  }

  .product-card {
    min-height: auto;
  }

  .product-card__actions {
    flex-direction: column;
  }

  .product-card__actions .btn {
    width: 100%;
  }
}


/* ============================================================
   4. CATEGORY CARD
   ============================================================ */

.category-card {
  height: 116px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-16);
  padding: var(--space-20);
  background: var(--color-bg-white);
  border: var(--border-soft);
  border-radius: var(--radius-card);
  box-shadow: 0 6px 18px rgba(15, 23, 42, 0.05);
  text-decoration: none;
  color: inherit;
  transition:
    transform    var(--duration-normal) var(--ease-standard),
    box-shadow   var(--duration-normal) var(--ease-standard),
    border-color var(--duration-normal) var(--ease-standard);
}

.category-card:hover {
  transform: translateY(var(--hover-lift-card));
  box-shadow: var(--shadow-card-hover);
  border-color: var(--color-border-default);
}

.category-card__media {
  width: 72px;
  height: 72px;
  border-radius: var(--radius-14);
  background: var(--color-bg-technical);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.category-card__title {
  font-size: 17px;
  font-weight: var(--font-weight-extrabold);
  line-height: 1.4;
  color: var(--color-text-heading);
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-16);
}

@media (max-width: 767px) {
  .category-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-12);
  }

  .category-card {
    height: 132px;
    flex-direction: column;
    justify-content: center;
    text-align: center;
    padding: var(--space-16);
  }
}


/* ============================================================
   5. ADMIN CARD
   ============================================================ */

.admin-card {
  background: var(--color-bg-white);
  border: var(--border-soft);
  border-radius: var(--radius-dashboard-card);
  box-shadow: var(--shadow-dashboard-card);
  padding: var(--space-20);
}

.admin-card-lg {
  border-radius: var(--radius-card-lg);
  padding: var(--space-24);
}

.admin-card--hover {
  transition:
    box-shadow var(--duration-normal) var(--ease-standard),
    transform  var(--duration-normal) var(--ease-standard);
}

.admin-card--hover:hover {
  box-shadow: var(--shadow-dashboard-hover);
  transform: translateY(-1px);
}


/* ============================================================
   6. BADGES / STATUS
   ============================================================ */

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-6);
  height: 28px;
  padding-inline: var(--space-10);
  border-radius: var(--radius-pill);
  font-size: var(--font-micro);
  font-weight: var(--font-weight-extrabold);
  line-height: 1;
}

.badge-neutral {
  background: var(--color-neutral-100);
  color: var(--color-neutral-700);
  border: var(--border-soft);
}

.badge-accent {
  background: var(--color-accent-100);
  color: var(--color-primary-900);
  border: var(--border-accent);
}

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

.badge-warning {
  background: var(--color-warning-soft);
  color: var(--color-warning);
}

.badge-danger {
  background: var(--color-danger-soft);
  color: var(--color-danger);
}

.badge-info {
  background: var(--color-info-soft);
  color: var(--color-info);
}


/* ============================================================
   7. FORMS
   ============================================================ */

.form-label {
  display: block;
  font-size: var(--font-caption);
  font-weight: var(--font-weight-bold);
  line-height: 1.4;
  color: var(--color-neutral-700);
  margin-bottom: var(--space-8);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  background: var(--color-bg-white);
  border: var(--border-strong);
  border-radius: var(--radius-input);
  font-family: var(--font-family-base);
  font-size: var(--font-body-sm);
  color: var(--color-text-main);
  transition:
    border-color     var(--duration-fast) var(--ease-standard),
    box-shadow       var(--duration-fast) var(--ease-standard),
    background-color var(--duration-fast) var(--ease-standard);
}

.form-input,
.form-select {
  height: 46px;
  padding: 0 14px;
}

.form-textarea {
  min-height: 130px;
  padding: 14px;
  resize: vertical;
  line-height: var(--line-small);
}

.form-input:hover,
.form-select:hover,
.form-textarea:hover {
  border-color: #94A3B8;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--color-primary-900);
  box-shadow: var(--focus-ring-soft);
  outline: none;
}

.form-input.is-error,
.form-select.is-error,
.form-textarea.is-error {
  border-color: var(--color-danger);
  box-shadow: 0 0 0 3px rgba(201, 42, 42, 0.10);
}

.form-input:disabled,
.form-select:disabled,
.form-textarea:disabled {
  background: var(--color-neutral-100);
  color: var(--color-text-soft);
  cursor: not-allowed;
}

.form-help {
  font-size: var(--font-caption);
  line-height: 1.55;
  color: var(--color-text-muted);
  margin-top: var(--space-6);
}

.form-error {
  font-size: var(--font-caption);
  line-height: 1.45;
  color: var(--color-danger);
  margin-top: var(--space-6);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: var(--space-18);
  row-gap: var(--space-18);
}

.form-field-full {
  grid-column: 1 / -1;
}

@media (max-width: 767px) {
  .form-grid {
    grid-template-columns: 1fr;
    gap: var(--space-16);
  }
}


/* ============================================================
   8. DATA TABLE
   ============================================================ */

.table-card {
  background: var(--color-bg-white);
  border: var(--border-soft);
  border-radius: var(--radius-dashboard-card);
  box-shadow: var(--shadow-dashboard-card);
  overflow: hidden;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-body-sm);
}

.data-table thead {
  background: var(--color-bg-soft);
  color: var(--color-text-secondary);
  font-weight: var(--font-weight-extrabold);
}

.data-table th,
.data-table td {
  padding: 14px 16px;
  border-bottom: var(--border-soft);
  vertical-align: middle;
  text-align: start;
}

.data-table tbody tr:hover {
  background: var(--color-bg-soft);
}

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

@media (max-width: 767px) {
  .data-table--responsive {
    display: block;
  }

  .data-table--responsive thead {
    display: none;
  }

  .data-table--responsive tr {
    display: block;
    background: var(--color-bg-white);
    border: var(--border-soft);
    border-radius: var(--radius-card);
    padding: var(--space-14);
    margin-bottom: var(--space-12);
  }

  .data-table--responsive td {
    display: flex;
    justify-content: space-between;
    gap: var(--space-12);
    border-bottom: 1px solid var(--color-border-soft);
    padding: var(--space-10) 0;
  }

  .data-table--responsive td:last-child {
    border-bottom: 0;
  }
}


/* ============================================================
   9. ALERTS
   ============================================================ */

.alert {
  display: flex;
  align-items: flex-start;
  gap: var(--space-12);
  padding: var(--space-14) var(--space-16);
  border-radius: var(--radius-12);
  font-size: var(--font-body-sm);
  line-height: 1.6;
}

.alert-success {
  background: var(--color-success-soft);
  color: var(--color-success);
  border: 1px solid rgba(22, 138, 91, 0.20);
}

.alert-warning {
  background: var(--color-warning-soft);
  color: var(--color-warning);
  border: 1px solid rgba(183, 121, 31, 0.20);
}

.alert-danger {
  background: var(--color-danger-soft);
  color: var(--color-danger);
  border: 1px solid rgba(201, 42, 42, 0.20);
}

.alert-info {
  background: var(--color-info-soft);
  color: var(--color-info);
  border: 1px solid rgba(37, 99, 235, 0.20);
}

.alert-neutral {
  background: var(--color-neutral-100);
  color: var(--color-neutral-700);
  border: var(--border-soft);
}


/* ============================================================
   10. EMPTY STATE
   ============================================================ */

.empty-state {
  background: var(--color-bg-white);
  border: 1px dashed var(--color-border-strong);
  border-radius: var(--radius-dashboard-card);
  padding: var(--space-40) var(--space-24);
  text-align: center;
  color: var(--color-text-muted);
}

.empty-state__icon {
  width: 36px;
  height: 36px;
  margin-inline: auto;
  color: var(--color-text-soft);
  margin-bottom: var(--space-14);
}

.empty-state__title {
  font-size: 18px;
  font-weight: var(--font-weight-extrabold);
  color: var(--color-text-heading);
  margin-bottom: var(--space-8);
}

.empty-state__body {
  font-size: var(--font-body-sm);
  line-height: 1.65;
  max-width: 420px;
  margin-inline: auto;
  color: var(--color-text-muted);
}


/* ============================================================
   11. LOADING / SKELETON
   ============================================================ */

.is-loading {
  opacity: 0.85;
  cursor: progress;
  pointer-events: none;
}

.skeleton {
  background: linear-gradient(
    90deg,
    #F3F4F6 0%,
    #E5E7EB 50%,
    #F3F4F6 100%
  );
  background-size: 200% 100%;
  animation: skeleton-loading 1.2s ease-in-out infinite;
  border-radius: var(--radius-10);
}

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

@media (prefers-reduced-motion: reduce) {
  .skeleton {
    animation: none;
  }
}


/* ============================================================
   12. BREADCRUMB
   ============================================================ */

.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-6);
  font-size: var(--font-caption);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-muted);
}

.breadcrumb__item {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.breadcrumb__link {
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-standard);
}

.breadcrumb__link:hover {
  color: var(--color-primary-900);
}

.breadcrumb__current {
  color: var(--color-text-heading);
  font-weight: var(--font-weight-bold);
}

.breadcrumb__separator {
  color: var(--color-text-soft);
  font-size: 11px;
}


/* ============================================================
   13. ICON HELPERS
   ============================================================ */

.icon {
  width: 20px;
  height: 20px;
  stroke-width: 2;
  flex-shrink: 0;
}

.icon-sm {
  width: 16px;
  height: 16px;
  stroke-width: 2;
}

.icon-lg {
  width: 28px;
  height: 28px;
  stroke-width: 1.8;
}

.icon-button {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-button);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: var(--border-soft);
  background: var(--color-bg-white);
  color: var(--color-text-main);
  cursor: pointer;
  transition:
    background-color var(--duration-normal) var(--ease-standard),
    color            var(--duration-normal) var(--ease-standard),
    border-color     var(--duration-normal) var(--ease-standard);
}

.icon-button:hover {
  background: var(--color-bg-soft);
  border-color: var(--color-border-strong);
}


/* ============================================================
   14. BACKGROUND PATTERNS
   ============================================================ */

.pattern-surface {
  position: relative;
  overflow: hidden;
}

.pattern-surface > * {
  position: relative;
  z-index: 1;
}

.pattern-dots::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(15, 23, 42, 0.16) 1px, transparent 1px);
  background-size: 22px 22px;
  background-position: center;
  opacity: 0.05;
  pointer-events: none;
}

.pattern-grid::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(15, 23, 42, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15, 23, 42, 0.06) 1px, transparent 1px);
  background-size: 28px 28px;
  opacity: 0.05;
  pointer-events: none;
}

@media (max-width: 767px) {
  .pattern-dots::before,
  .pattern-grid::before {
    opacity: 0.04;
  }
}


/* ============================================================
   15. MOTION UTILITIES
   ============================================================ */

.transition-standard {
  transition:
    color            var(--duration-normal) var(--ease-standard),
    background-color var(--duration-normal) var(--ease-standard),
    border-color     var(--duration-normal) var(--ease-standard),
    box-shadow       var(--duration-normal) var(--ease-standard),
    transform        var(--duration-normal) var(--ease-standard);
}

.transition-fast {
  transition-duration: var(--duration-fast);
}

.transition-medium {
  transition-duration: var(--duration-medium);
}

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


/* ============================================================
   16. PARTNERS / LOGOS SECTION
   ============================================================ */

.partners-section {
  padding-block: var(--space-48);
}

.partners-heading {
  max-width: 720px;
  margin-inline: auto;
  text-align: center;
  margin-bottom: var(--space-28);
}

.partners-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: var(--space-16);
}

.partner-logo-card {
  height: 96px;
  background: var(--color-bg-white);
  border: var(--border-soft);
  border-radius: var(--radius-card);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-18);
  box-shadow: 0 6px 18px rgba(15, 23, 42, 0.04);
}

.partner-logo-card img {
  max-width: 140px;
  max-height: 52px;
  object-fit: contain;
  filter: grayscale(1);
  opacity: 0.72;
  transition:
    filter    var(--duration-normal) var(--ease-standard),
    opacity   var(--duration-normal) var(--ease-standard),
    transform var(--duration-normal) var(--ease-standard);
}

.partner-logo-card:hover img,
.partner-logo-card:focus-within img {
  filter: grayscale(0);
  opacity: 1;
  transform: scale(1.03);
}

@media (max-width: 1023px) {
  .partners-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-14);
  }
}

@media (max-width: 767px) {
  .partners-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-12);
  }

  .partner-logo-card {
    height: 82px;
    padding: var(--space-14);
  }
}


/* ============================================================
   17. RTL UTILITY OVERRIDES
   ============================================================ */

.u-ltr-code {
  direction: ltr;
  unicode-bidi: isolate;
}

.technical-code,
.model-number {
  direction: ltr;
  unicode-bidi: isolate;
}

.u-text-start  { text-align: start;  }
.u-text-end    { text-align: end;    }
.u-text-center { text-align: center; }

/* Tap target minimum */
.tap-target {
  min-width: 44px;
  min-height: 44px;
}

/* ============================================================
   18. PAGE PROGRESS LOADER & SCROLL REVEALS
   ============================================================ */

.top-progress {
  position: fixed;
  top: 0;
  inset-inline-start: 0;
  height: 3px;
  width: 0%;
  background: #f7c948;
  z-index: 99999;
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.reveal-delay-1 { transition-delay: 0.06s; }
.reveal-delay-2 { transition-delay: 0.12s; }
.reveal-delay-3 { transition-delay: 0.18s; }
.reveal-delay-4 { transition-delay: 0.24s; }

/* FAQ Accordion Transitions using CSS Grid Row (0fr to 1fr) */
.faq-item {
  background: #fff;
  border: 1px solid #e6eaf0;
  border-radius: 14px;
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color var(--duration-fast) var(--ease-standard), box-shadow var(--duration-fast) var(--ease-standard);
}

.faq-item.is-open {
  border-color: rgba(15, 23, 42, 0.14);
  box-shadow: var(--shadow-sm);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: none;
  border: none;
  padding: 16px 20px;
  font-size: 16px;
  font-weight: 700;
  color: var(--color-text-heading);
  text-align: start;
  cursor: pointer;
  outline: none;
}

.faq-answer {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.25s ease;
}

.faq-item.is-open .faq-answer {
  grid-template-rows: 1fr;
}

.faq-answer-inner {
  overflow: hidden;
  padding-inline: 20px;
  padding-bottom: 16px;
  color: var(--color-text-secondary);
  font-size: 14px;
  line-height: 1.6;
}

.faq-icon {
  width: 18px;
  height: 18px;
  transition: transform 0.25s ease;
  flex-shrink: 0;
  margin-inline-start: 12px;
}

.faq-item.is-open .faq-icon {
  transform: rotate(180deg);
}