/**
 * TRISENSA CERAMICS — UI COMPONENTS
 * Modern Industrial Editorial Component Library
 */

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: 0.75rem 1.5rem;
  font-family: var(--font-family-body);
  font-size: var(--font-size-sm);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  border-radius: var(--radius-xs);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  user-select: none;
  text-decoration: none;
  max-width: 100%;
}

.btn-primary {
  background-color: var(--color-brand-red);
  color: #FFFFFF;
  border-color: var(--color-brand-red);
}

.btn-primary:hover {
  background-color: var(--color-brand-red-hover);
  border-color: var(--color-brand-red-hover);
  color: #FFFFFF;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(227, 12, 25, 0.25);
}

.btn-secondary {
  background-color: var(--color-text-primary);
  color: #FFFFFF;
  border-color: var(--color-text-primary);
}

.btn-secondary:hover {
  background-color: #000000;
  border-color: #000000;
  color: #FFFFFF;
  transform: translateY(-1px);
}

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

.btn-outline:hover {
  background-color: var(--color-bg-surface-alt);
  border-color: var(--color-text-primary);
  color: var(--color-text-primary);
}

/* Outline Buttons on Dark Surfaces (.section-dark, dark cards, etc.) */
.btn-outline-white,
.btn-outline-light,
.btn-outline-inverse,
.section-dark .btn-outline {
  background-color: transparent;
  color: #FFFFFF;
  border-color: rgba(255, 255, 255, 0.4);
}

.btn-outline-white:hover,
.btn-outline-light:hover,
.btn-outline-inverse:hover,
.section-dark .btn-outline:hover {
  background-color: #FFFFFF;
  color: var(--color-bg-dark) !important;
  border-color: #FFFFFF;
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.25);
}

.btn-outline-white:hover *,
.btn-outline-light:hover *,
.btn-outline-inverse:hover *,
.section-dark .btn-outline:hover * {
  color: var(--color-bg-dark) !important;
}

/* Secondary Button in Dark Sections */
.section-dark .btn-secondary {
  background-color: #FFFFFF;
  color: var(--color-bg-dark);
  border-color: #FFFFFF;
}

.section-dark .btn-secondary:hover {
  background-color: var(--color-bg-surface-alt);
  color: var(--color-bg-dark);
  border-color: var(--color-bg-surface-alt);
  transform: translateY(-1px);
}

/* WhatsApp Branded Direct Button */
.btn-whatsapp {
  background-color: #25D366;
  color: #FFFFFF;
  border-color: #25D366;
}

.btn-whatsapp:hover {
  background-color: #1EBE5D;
  border-color: #1EBE5D;
  color: #FFFFFF;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.3);
}

.btn-whatsapp:hover * {
  color: #FFFFFF;
}

.btn-ghost {
  background-color: transparent;
  color: var(--color-text-primary);
  border-color: transparent;
}

.btn-ghost:hover {
  background-color: var(--color-hover-overlay);
  color: var(--color-text-primary);
}

.section-dark .btn-ghost {
  color: #FFFFFF;
}

.section-dark .btn-ghost:hover {
  background-color: rgba(255, 255, 255, 0.12);
  color: #FFFFFF;
}

.btn:focus-visible {
  outline: 2px solid var(--color-brand-red);
  outline-offset: 2px;
}

.section-dark .btn:focus-visible,
.btn-outline-white:focus-visible {
  outline: 2px solid #FFFFFF;
  outline-offset: 2px;
}

.btn-sm {
  padding: 0.45rem 0.9rem;
  font-size: var(--font-size-xs);
}

.btn-lg {
  padding: 0.95rem 2rem;
  font-size: var(--font-size-base);
}

.btn-icon-only {
  padding: 0.6rem;
  border-radius: var(--radius-full);
}

@media (max-width: 768px) {
  .btn {
    white-space: normal;
    text-align: center;
    word-break: normal;
    overflow-wrap: break-word;
    padding: 0.75rem 1.25rem;
    line-height: 1.35;
  }

  .btn-lg {
    padding: 0.85rem 1.25rem;
    font-size: var(--font-size-sm);
  }
}

@media (max-width: 480px) {
  .btn {
    padding: 0.7rem 1rem;
    font-size: var(--font-size-xs);
  }

  .btn-lg {
    padding: 0.8rem 1.15rem;
    font-size: var(--font-size-sm);
  }
}

/* ==========================================================================
   Badges & Tags
   ========================================================================== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.65rem;
  font-family: var(--font-family-mono);
  font-size: var(--font-size-xs);
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0.04em;
  border-radius: var(--radius-xs);
  text-transform: uppercase;
  width: fit-content;
}

.badge-code {
  background-color: var(--color-bg-surface-alt);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
}

.badge-heritage {
  background-color: #FFF2F2;
  color: var(--color-brand-red);
  border: 1px solid #FFD4D6;
}

.badge-doc-catalog {
  background-color: #EEF4FF;
  color: #1E4ED8;
  border: 1px solid #DBEAFE;
}

.badge-doc-spec {
  background-color: #F3E8FF;
  color: #6B21A8;
  border: 1px solid #E9D5FF;
}

.badge-doc-brochure {
  background-color: #ECFDF5;
  color: #065F46;
  border: 1px solid #A7F3D0;
}

.badge-doc-promotion {
  background-color: #FEF3C7;
  color: #92400E;
  border: 1px solid #FDE68A;
}

/* ==========================================================================
   Cards
   ========================================================================== */
.card {
  background-color: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xs);
  transition: all var(--transition-base);
  overflow: hidden;
  position: relative;
}

.card:hover {
  border-color: var(--color-text-primary);
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
}

/* Product Card */
.product-card {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.product-card-media {
  position: relative;
  aspect-ratio: 4 / 3;
  background-color: var(--color-bg-surface-alt);
  overflow: hidden;
  border-bottom: 1px solid var(--color-border-subtle);
}

.product-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.product-card:hover .product-card-media img {
  transform: scale(1.04);
}

.product-card-badge {
  position: absolute;
  top: var(--space-sm);
  left: var(--space-sm);
  z-index: 2;
}

.product-card-body {
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.product-card-category {
  font-family: var(--font-family-mono);
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  color: var(--color-text-muted);
  letter-spacing: 0.05em;
  margin-bottom: var(--space-2xs);
}

.product-card-title {
  font-size: var(--font-size-md);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: var(--space-xs);
  color: var(--color-text-primary);
}

.product-card-desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.5;
  margin-bottom: var(--space-md);
  flex-grow: 1;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-card-footer {
  margin-top: auto;
  padding-top: var(--space-sm);
  border-top: 1px solid var(--color-border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  min-height: 42px;
  flex-wrap: wrap;
}

.product-card-spec {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-family-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--color-text-secondary);
  background-color: var(--color-bg-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xs);
  padding: 0.25rem 0.55rem;
  line-height: 1.25;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
  flex-shrink: 1;
}

.product-card-link {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-brand-red);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  white-space: nowrap;
  flex-shrink: 0;
  margin-left: auto;
}

.product-card:hover .product-card-link {
  color: var(--color-text-primary);
}

/* Category Discovery Card */
.category-card {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xs);
  background-color: var(--color-bg-dark);
}

.category-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow), opacity var(--transition-fast);
  opacity: 0.85;
}

.category-card:hover .category-card-img {
  transform: scale(1.05);
  opacity: 0.95;
}

.category-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(24, 23, 22, 0.1) 0%, rgba(24, 23, 22, 0.85) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-xl);
  color: #FFFFFF;
}

.category-card-title {
  color: #FFFFFF;
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: var(--space-xs);
}

.category-card-desc {
  color: var(--color-text-inverse-muted);
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-sm);
  line-height: 1.4;
  max-width: 480px;
}

/* Document Hub Card */
.document-card {
  display: flex;
  flex-direction: column;
  padding: var(--space-xl);
  background-color: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xs);
  transition: all var(--transition-base);
  height: 100%;
}

.document-card:hover {
  border-color: var(--color-text-primary);
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
}

.document-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.document-card-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-xs);
}

.document-card-title {
  font-size: var(--font-size-md);
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: var(--space-xs);
  color: var(--color-text-primary);
}

.document-card-desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.5;
  margin-bottom: var(--space-lg);
  flex-grow: 1;
}

.document-card-info {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xs);
  padding: var(--space-sm) 0;
  border-top: 1px solid var(--color-border-subtle);
  border-bottom: 1px solid var(--color-border-subtle);
  margin-bottom: var(--space-lg);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.document-card-info strong {
  color: var(--color-text-primary);
}

.document-card-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-sm);
  margin-top: auto;
}

/* ==========================================================================
   Filter & Search Toolbar
   ========================================================================== */
.filter-toolbar {
  background-color: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xs);
  padding: var(--space-lg);
  margin-bottom: var(--space-2xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.filter-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.search-input-group {
  position: relative;
  flex: 1;
  min-width: 200px;
  max-width: 100%;
}

.search-input-group svg {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
  pointer-events: none;
}

.search-input {
  width: 100%;
  padding: 0.75rem 1rem 0.75rem 2.75rem;
  background-color: var(--color-bg-canvas);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xs);
  color: var(--color-text-primary);
  font-size: var(--font-size-sm);
  transition: all var(--transition-fast);
}

.search-input:focus {
  background-color: #FFFFFF;
  border-color: var(--color-text-primary);
  outline: none;
  box-shadow: 0 0 0 1px var(--color-text-primary);
}

.filter-pills-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  align-items: center;
}

.filter-pill {
  padding: 0.45rem 0.9rem;
  font-family: var(--font-family-body);
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  background-color: var(--color-bg-canvas);
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-pill:hover {
  background-color: var(--color-bg-surface-alt);
  color: var(--color-text-primary);
  border-color: var(--color-text-muted);
}

.filter-pill.active {
  background-color: var(--color-text-primary);
  color: #FFFFFF;
  border-color: var(--color-text-primary);
}

.results-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  justify-content: space-between;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  padding-top: var(--space-sm);
  border-top: 1px solid var(--color-border-subtle);
}

@media (max-width: 640px) {
  .filter-row {
    flex-direction: column;
    align-items: stretch;
    gap: 0.75rem;
  }

  .search-input-group {
    width: 100%;
    min-width: 0;
  }

  .filter-pills-list {
    overflow-x: auto;
    flex-wrap: nowrap;
    padding-bottom: 0.35rem;
    -webkit-overflow-scrolling: touch;
    width: 100%;
  }

  .filter-pill {
    flex-shrink: 0;
  }

  .results-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.35rem;
  }
}

/* ==========================================================================
   Forms
   ========================================================================== */
.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-xs);
}

.form-label .required {
  color: var(--color-brand-red);
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  background-color: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xs);
  color: var(--color-text-primary);
  font-size: var(--font-size-base);
  transition: all var(--transition-fast);
}

.form-control:focus {
  border-color: var(--color-text-primary);
  outline: none;
  box-shadow: 0 0 0 1px var(--color-text-primary);
}

.form-control.is-invalid {
  border-color: var(--color-error);
  background-color: #FFFBFB;
}

.form-feedback {
  font-size: var(--font-size-xs);
  margin-top: var(--space-2xs);
  color: var(--color-error);
}

.form-hint {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-2xs);
}

/* ==========================================================================
   Specifications Table
   ========================================================================== */
.specs-table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--space-lg) 0;
  background-color: var(--color-bg-surface);
  border: 1px solid var(--color-border);
}

.specs-table th,
.specs-table td {
  padding: var(--space-sm) var(--space-md);
  font-size: var(--font-size-sm);
  text-align: left;
  border-bottom: 1px solid var(--color-border-subtle);
}

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

.specs-table th {
  width: 35%;
  background-color: var(--color-bg-surface-alt);
  color: var(--color-text-primary);
  font-weight: 600;
}

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

@media (max-width: 640px) {
  .specs-table {
    display: block;
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .specs-table th,
  .specs-table td {
    padding: 0.55rem 0.75rem;
    font-size: var(--font-size-xs);
    word-break: break-word;
  }

  .specs-table th {
    width: 40%;
    min-width: 100px;
  }
}

/* ==========================================================================
   Alerts & Notifications
   ========================================================================== */
.alert {
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-xs);
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-lg);
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
}

.alert-success {
  background-color: var(--color-success-bg);
  border: 1px solid #C4E2D0;
  color: var(--color-success);
}

.alert-error {
  background-color: var(--color-error-bg);
  border: 1px solid #F5C6CB;
  color: var(--color-error);
}

.alert-warning {
  background-color: var(--color-warning-bg);
  border: 1px solid #FFE8C2;
  color: var(--color-warning);
}

/* ==========================================================================
   Empty States
   ========================================================================== */
.empty-state {
  text-align: center;
  padding: var(--space-3xl) var(--space-lg);
  background-color: var(--color-bg-surface);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-xs);
  margin: var(--space-xl) 0;
}

.empty-state-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto var(--space-md);
  color: var(--color-text-muted);
}

.empty-state-title {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-xs);
}

.empty-state-desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  max-width: 440px;
  margin: 0 auto var(--space-lg);
}

/* ==========================================================================
   Breadcrumb
   ========================================================================== */
.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--font-size-xs);
  font-family: var(--font-family-mono);
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-lg);
}

.breadcrumbs a {
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

.breadcrumbs a:hover {
  color: var(--color-brand-red);
}

.breadcrumbs-separator {
  color: var(--color-border);
}

/* ==========================================================================
   Marketplace & Social Channel Buttons
   ========================================================================== */
.marketplace-buttons {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.social-channels-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}

@media (max-width: 480px) {
  .social-channels-grid {
    grid-template-columns: 1fr;
  }
}

.btn-channel {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.65rem 1rem;
  border-radius: var(--radius-sm, 6px);
  border: 1px solid var(--color-border, #E2E8F0);
  background-color: var(--color-bg-surface, #FFFFFF);
  color: var(--color-text-primary, #1A202C);
  text-decoration: none;
  font-size: var(--font-size-sm, 0.875rem);
  font-weight: 600;
  min-height: 44px;
  line-height: 1.3;
  transition: all var(--transition-fast, 0.2s cubic-bezier(0.16, 1, 0.3, 1));
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}

.marketplace-buttons .btn-channel {
  flex: 1 1 calc(50% - 0.75rem);
}

@media (max-width: 600px) {
  .marketplace-buttons .btn-channel {
    flex: 1 1 100%;
  }
}

.btn-channel:hover {
  transform: translateY(-2px);
  text-decoration: none;
}

.channel-icon-wrap {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  flex-shrink: 0;
}

.channel-icon-wrap svg {
  width: 24px;
  height: 24px;
  display: block;
}

.channel-name {
  font-weight: 600;
  letter-spacing: -0.01em;
}

/* Branded channel variants */
.btn-channel-tokopedia {
  border-color: #C8EED2;
  background-color: #F8FDF9;
  color: #03AC0E;
}
.btn-channel-tokopedia:hover {
  border-color: #03AC0E;
  background-color: #EBFBF0;
  color: #007C1B;
  box-shadow: 0 4px 14px rgba(3, 172, 14, 0.2);
}

.btn-channel-shopee {
  border-color: #FEDBD2;
  background-color: #FFF9F7;
  color: #EE4D2D;
}
.btn-channel-shopee:hover {
  border-color: #EE4D2D;
  background-color: #FEEDEA;
  color: #C42605;
  box-shadow: 0 4px 14px rgba(238, 77, 45, 0.2);
}

.btn-channel-youtube {
  border-color: #FED7D7;
  background-color: #FFF8F8;
  color: #C53030;
}
.btn-channel-youtube:hover {
  border-color: #FF0000;
  background-color: #FEE8E8;
  color: #9B2C2C;
  box-shadow: 0 4px 14px rgba(255, 0, 0, 0.18);
}

.btn-channel-facebook {
  border-color: #D2E4FC;
  background-color: #F7FAFE;
  color: #1877F2;
}
.btn-channel-facebook:hover {
  border-color: #1877F2;
  background-color: #EAF2FD;
  color: #0E448F;
  box-shadow: 0 4px 14px rgba(24, 119, 242, 0.18);
}

.btn-channel-instagram {
  border-color: #F9D2E3;
  background-color: #FCF8FA;
  color: #C13584;
}
.btn-channel-instagram:hover {
  border-color: #E1306C;
  background-color: #FDEBF4;
  color: #871956;
  box-shadow: 0 4px 14px rgba(225, 48, 108, 0.2);
}

.btn-channel-tiktok {
  border-color: #E2E8F0;
  background-color: #F8FAFC;
  color: #0F172A;
}
.btn-channel-tiktok:hover {
  border-color: #0F172A;
  background-color: #0F172A;
  color: #FFFFFF;
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.25);
}

/* ==========================================================================
   Certifications & Quality Assurance Cards
   ========================================================================== */
.cert-dual-banner {
  background: linear-gradient(135deg, var(--color-bg-surface-alt) 0%, var(--color-bg-surface) 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xs);
  padding: var(--space-xl);
  margin-bottom: var(--space-2xl);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
}

@media (min-width: 768px) {
  .cert-dual-banner {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
  }
}

.cert-dual-col {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
}

.cert-dual-icon {
  width: 46px;
  height: 46px;
  border-radius: var(--radius-xs);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  border: 1px solid var(--color-border);
  background: var(--color-bg-surface);
}

.cert-dual-pill {
  font-family: var(--font-family-mono);
  font-size: var(--font-size-xs);
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  display: inline-block;
  margin-bottom: 0.35rem;
}

.cert-card {
  background-color: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xs);
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  height: 100%;
}

.cert-card:hover {
  border-color: var(--color-text-primary);
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
}

.cert-card-accent-iso {
  border-top: 4px solid var(--color-success);
}

.cert-card-accent-sni {
  border-top: 4px solid var(--color-brand-red);
}

.cert-card-header {
  padding: var(--space-xl) var(--space-xl) var(--space-md);
  border-bottom: 1px solid var(--color-border-subtle);
  background-color: var(--color-bg-canvas);
}

.cert-card-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: var(--space-md);
}

.cert-card-title {
  font-size: var(--font-size-xl);
  font-weight: 800;
  line-height: 1.25;
  color: var(--color-text-primary);
  margin-bottom: 0.5rem;
}

.cert-card-meta-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs) var(--space-md);
  font-family: var(--font-family-mono);
  font-size: 11px;
  color: var(--color-text-muted);
}

.cert-card-body {
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.cert-badge-visual-wrap {
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-xs);
  padding: var(--space-md);
  margin-bottom: var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 200px;
}

.cert-badge-visual-wrap img {
  max-width: 100%;
  max-height: 180px;
  height: auto;
  width: auto;
  object-fit: contain;
}

.cert-steps-heading {
  font-size: var(--font-size-sm);
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--color-text-primary);
  margin-top: var(--space-md);
  margin-bottom: 0.75rem;
}

.cert-step-list {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.cert-step-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.935rem;
  line-height: 1.55;
  color: var(--color-text-secondary);
}

.cert-step-icon {
  flex-shrink: 0;
  margin-top: 3px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cert-card-conclusion {
  background: var(--color-bg-surface-alt);
  border-left: 3px solid var(--color-brand-red);
  padding: var(--space-md) var(--space-lg);
  border-radius: 0 var(--radius-xs) var(--radius-xs) 0;
  font-size: 0.925rem;
  line-height: 1.6;
  color: var(--color-text-primary);
  font-style: italic;
  margin-top: auto;
}

.cert-action-bar {
  margin-top: var(--space-3xl);
  padding: var(--space-xl);
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xs);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-lg);
}

/* ==========================================================================
   Floating WhatsApp Action Button (All Pages)
   ========================================================================== */
.floating-whatsapp {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 990;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  cursor: pointer;
  user-select: none;
  transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.floating-whatsapp:hover {
  transform: translateY(-3px) scale(1.05);
}

.floating-whatsapp:focus-visible {
  outline: 3px solid #25D366;
  outline-offset: 4px;
  border-radius: 50%;
}

.floating-whatsapp-btn {
  width: 58px;
  height: 58px;
  background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
  color: #FFFFFF;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.42), 0 2px 6px rgba(0, 0, 0, 0.12);
  transition: box-shadow 0.25s ease, background 0.25s ease;
}

.floating-whatsapp:hover .floating-whatsapp-btn {
  box-shadow: 0 6px 22px rgba(37, 211, 102, 0.6), 0 4px 10px rgba(0, 0, 0, 0.16);
  background: linear-gradient(135deg, #28e26e 0%, #159b8b 100%);
}

.floating-whatsapp-btn svg {
  width: 32px;
  height: 32px;
  fill: #FFFFFF;
}

/* Subtle attention ring pulse */
.floating-whatsapp-btn::before {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px solid rgba(37, 211, 102, 0.65);
  opacity: 0;
  animation: wa-pulse 3s infinite ease-out;
  pointer-events: none;
}

@keyframes wa-pulse {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.22); opacity: 0; }
  100% { transform: scale(1.22); opacity: 0; }
}

/* Floating tooltip bubble */
.floating-whatsapp-tooltip {
  background: #192024;
  color: #FFFFFF;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.01em;
  padding: 8px 14px;
  border-radius: 20px;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transform: translateX(8px);
  transition: opacity 0.2s ease, transform 0.2s ease;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.floating-whatsapp:hover .floating-whatsapp-tooltip,
.floating-whatsapp:focus-visible .floating-whatsapp-tooltip {
  opacity: 1;
  transform: translateX(0);
}

@media (max-width: 768px) {
  .floating-whatsapp {
    bottom: 20px;
    right: 20px;
  }
  .floating-whatsapp-btn {
    width: 52px;
    height: 52px;
  }
  .floating-whatsapp-btn svg {
    width: 28px;
    height: 28px;
  }
  .floating-whatsapp-tooltip {
    display: none;
  }
}