/*
Theme Name: BPA Blog Theme
Theme URI: https://blog.bon-plan-auto.fr
Author: Bon Plan Auto
Author URI: https://bon-plan-auto.fr
Description: Thème custom sobre et institutionnel pour le blog Bon Plan Auto — guides réparation DIY.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.5
Requires PHP: 8.0
License: Proprietary
Text Domain: bpa-blog
*/

/* =========================================
   VARIABLES
   ========================================= */
:root {
  --color-navy:        #1E3A8A;
  --color-navy-dark:   #162C6E;
  --color-blue:        #60A5FA;
  --color-blue-mid:    #3B82F6;
  --color-green:       #16A34A;
  --color-green-hover: #15803D;
  --color-green-light: #DCFCE7;
  --color-grey:        #6B7280;
  --color-grey-dark:   #1F2937;
  --color-grey-mid:    #374151;
  --color-grey-light:  #F8FAFC;
  --color-grey-border: #E2E8F0;
  --color-white:       #FFFFFF;
  --color-footer-bg:   #1F2937;

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 16px;
  --space-4: 24px;
  --space-5: 32px;
  --space-6: 48px;
  --space-7: 64px;
  --space-8: 96px;

  --max-width: 1200px;
  --max-width-content: 760px;
  --radius-card: 8px;
  --radius-badge: 6px;
  --radius-btn: 8px;
}

/* =========================================
   RESET & BASE
   ========================================= */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.6;
  color: var(--color-grey-mid);
  background: var(--color-white);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--color-navy);
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  color: var(--color-navy-dark);
}

h1, h2, h3, h4, h5, h6 {
  line-height: 1.3;
}

h1 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-grey-dark);
  letter-spacing: -0.01em;
}

h2 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-navy);
  letter-spacing: -0.01em;
}

h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-grey-dark);
}

p {
  max-width: 680px;
  color: var(--color-grey-mid);
}

ul, ol {
  list-style: none;
}

/* =========================================
   LAYOUT HELPERS
   ========================================= */
.bpa-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-3);
}

@media (min-width: 768px) {
  .bpa-container {
    padding: 0 var(--space-4);
  }
}

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

/* =========================================
   READING PROGRESS BAR
   ========================================= */
.bpa-progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 3px;
  background: var(--color-navy);
  z-index: 9999;
  transition: width 0.1s linear;
}

/* =========================================
   HEADER
   ========================================= */
.bpa-header {
  background: var(--color-white);
  border-bottom: 1px solid var(--color-grey-border);
  position: sticky;
  top: 0;
  z-index: 500;
}

.bpa-nav {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-3);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 112px;
  gap: var(--space-4);
}

@media (min-width: 768px) {
  .bpa-nav {
    padding: 0 var(--space-4);
  }
}

.bpa-logo {
  flex-shrink: 0;
  display: flex;
  align-items: center;
}

.bpa-logo img,
.bpa-logo .custom-logo {
  height: 125px;
  width: auto;
  max-width: 260px;
  object-fit: contain;
  display: block;
}

@media (max-width: 767px) {
  .bpa-logo img,
  .bpa-logo .custom-logo {
    height: 75px;
    max-width: 180px;
  }
}

.bpa-nav-links {
  display: none;
  align-items: center;
  gap: var(--space-4);
}

@media (min-width: 768px) {
  .bpa-nav-links {
    display: flex;
  }
}

.bpa-nav-links li {
  list-style: none;
}

.bpa-nav-links a {
  color: var(--color-grey-mid);
  font-size: 0.9375rem;
  font-weight: 500;
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.2s;
}

.bpa-nav-links a:hover {
  color: var(--color-navy);
}

.bpa-nav-links a[aria-current="page"] {
  color: var(--color-navy);
  font-weight: 600;
  border-bottom: 2px solid var(--color-navy);
  padding-bottom: 2px;
}

.bpa-nav-cta {
  background: var(--color-green);
  color: var(--color-white) !important;
  padding: var(--space-2) 20px;
  border-radius: var(--radius-badge);
  font-weight: 600;
  transition: background 0.2s !important;
}

.bpa-nav-cta:hover {
  background: var(--color-green-hover) !important;
  color: var(--color-white) !important;
}

.bpa-nav-mobile-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

@media (min-width: 768px) {
  .bpa-nav-mobile-actions {
    display: none;
  }
}

.bpa-nav-mobile-cta {
  background: var(--color-green);
  color: var(--color-white);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-badge);
  font-size: 0.875rem;
  font-weight: 600;
  white-space: nowrap;
}

.bpa-hamburger {
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
  display: flex;
  flex-direction: column;
  gap: 5px;
  align-items: center;
  justify-content: center;
}

.bpa-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-grey-dark);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

.bpa-hamburger.is-active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.bpa-hamburger.is-active span:nth-child(2) {
  opacity: 0;
}

.bpa-hamburger.is-active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile nav drawer */
.bpa-nav-drawer {
  display: none;
  flex-direction: column;
  background: var(--color-white);
  border-top: 1px solid var(--color-grey-border);
  padding: var(--space-3) var(--space-4);
  gap: var(--space-2);
}

.bpa-nav-drawer.is-open {
  display: flex;
}

@media (min-width: 768px) {
  .bpa-nav-drawer {
    display: none !important;
  }
}

.bpa-nav-drawer a {
  color: var(--color-grey-mid);
  font-size: 1rem;
  font-weight: 500;
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-grey-border);
  display: block;
}

.bpa-nav-drawer a:last-child {
  border-bottom: none;
}

.bpa-nav-drawer a:hover {
  color: var(--color-navy);
}

.bpa-nav-drawer a[aria-current="page"] {
  color: var(--color-navy);
  font-weight: 700;
}

/* =========================================
   FOOTER
   ========================================= */
.bpa-footer {
  background: var(--color-footer-bg);
  color: var(--color-white);
  margin-top: 0;
}

.bpa-footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-7) var(--space-4) var(--space-6);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

@media (min-width: 768px) {
  .bpa-footer-inner {
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-6);
  }
}

.bpa-footer-brand img {
  height: 125px;
  width: auto;
  max-width: 260px;
  object-fit: contain;
  margin-bottom: var(--space-3);
}

.bpa-footer-brand p {
  color: #9CA3AF;
  font-size: 0.875rem;
  margin-top: var(--space-3);
  max-width: 280px;
  line-height: 1.6;
}

.bpa-footer-links h4 {
  color: var(--color-white);
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: var(--space-3);
  text-transform: none;
}

.bpa-footer-links a {
  display: block;
  color: #9CA3AF;
  font-size: 0.875rem;
  text-decoration: none;
  margin-bottom: var(--space-2);
  transition: color 0.2s;
}

.bpa-footer-links a:hover {
  color: var(--color-white);
}

.bpa-footer-bottom {
  border-top: 1px solid #374151;
  padding: 20px var(--space-4);
  text-align: center;
  color: var(--color-grey);
  font-size: 0.8125rem;
}

/* =========================================
   BUTTONS
   ========================================= */
.bpa-btn-primary {
  display: inline-block;
  background: var(--color-green);
  color: var(--color-white);
  padding: 14px 28px;
  border: none;
  border-radius: var(--radius-btn);
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.2s;
  text-align: center;
}

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

.bpa-btn-secondary {
  display: inline-block;
  background: var(--color-white);
  color: var(--color-navy);
  padding: 12px 24px;
  border: 2px solid var(--color-navy);
  border-radius: var(--radius-btn);
  font-family: inherit;
  font-size: 0.9375rem;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.2s;
  text-align: center;
}

.bpa-btn-secondary:hover {
  background: var(--color-grey-light);
  color: var(--color-navy);
}

/* =========================================
   HERO SECTION (INDEX)
   ========================================= */
.bpa-hero {
  background: var(--color-grey-light);
  padding: var(--space-8) 0 var(--space-7);
  border-bottom: 1px solid var(--color-grey-border);
}

.bpa-hero-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-4);
  text-align: center;
}

.bpa-hero-label {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-green);
  background: var(--color-green-light);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-badge);
  margin-bottom: var(--space-4);
  text-transform: none;
  letter-spacing: 0;
}

.bpa-hero h1 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-grey-dark);
  margin-bottom: var(--space-4);
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
}

@media (min-width: 768px) {
  .bpa-hero h1 {
    font-size: 2.5rem;
  }
}

.bpa-hero p {
  font-size: 1.0625rem;
  color: var(--color-grey);
  margin: 0 auto var(--space-6);
  max-width: 560px;
}

/* =========================================
   ARTICLE CARDS GRID
   ========================================= */
.bpa-section {
  padding: var(--space-7) 0;
}

.bpa-section-alt {
  background: var(--color-grey-light);
  padding: var(--space-7) 0;
}

.bpa-section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: var(--space-6);
  gap: var(--space-4);
}

.bpa-section-header h2 {
  margin-bottom: 0;
}

.bpa-section-link {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-navy);
  white-space: nowrap;
  flex-shrink: 0;
}

.bpa-articles-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}

@media (min-width: 768px) {
  .bpa-articles-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .bpa-articles-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Article card */
.bpa-article-card {
  background: var(--color-white);
  border: 1px solid var(--color-grey-border);
  border-radius: var(--radius-card);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.bpa-article-card:hover {
  border-color: var(--color-navy);
  box-shadow: 0 4px 16px rgba(30, 58, 138, 0.08);
}

.bpa-article-card a {
  text-decoration: none;
  color: inherit;
}

.bpa-card-thumb {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--color-grey-light);
}

.bpa-card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s;
}

.bpa-article-card:hover .bpa-card-thumb img {
  transform: scale(1.03);
}

.bpa-card-body {
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  flex: 1;
}

.bpa-card-meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.bpa-badge-cat {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 2px var(--space-2);
  border-radius: var(--radius-badge);
  text-decoration: none;
}

/* Category badge colors — unified navy blue */
.bpa-badge-cat--embrayage,
.bpa-badge-cat--vidange,
.bpa-badge-cat--frein-avant,
.bpa-badge-cat--frein-arriere,
.bpa-badge-cat--distribution,
.bpa-badge-cat--default {
  background: #EFF6FF;
  color: #1E3A8A;
  border: 1px solid #BFDBFE;
}

.bpa-read-time {
  font-size: 0.75rem;
  color: var(--color-grey);
}

.bpa-card-title {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--color-navy);
  line-height: 1.4;
  margin: 0;
  transition: color 0.2s;
}

.bpa-article-card:hover .bpa-card-title {
  color: var(--color-navy-dark);
}

.bpa-card-excerpt {
  font-size: 0.875rem;
  color: var(--color-grey);
  line-height: 1.6;
  max-width: none;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}

.bpa-card-footer {
  padding: var(--space-3) var(--space-4);
  border-top: 1px solid var(--color-grey-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.bpa-card-date {
  font-size: 0.75rem;
  color: var(--color-grey);
}

.bpa-card-link {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-navy);
}

/* =========================================
   CTA SECTION PLEINE LARGEUR
   ========================================= */
.bpa-cta-section {
  background: #F8FAFC;
  border-top: 1px solid #E2E8F0;
  padding: 64px 0;
  text-align: center;
}

.bpa-cta-inner {
  max-width: 560px;
  margin: 0 auto;
  padding: 0 var(--space-4);
}

.bpa-cta-section h2 {
  font-size: 1.5rem;
  color: #1F2937;
  margin-bottom: var(--space-3);
  max-width: none;
}

.bpa-cta-section p {
  color: var(--color-grey);
  font-size: 1.0625rem;
  margin: 0 auto var(--space-6);
  max-width: none;
}

/* =========================================
   SINGLE ARTICLE
   ========================================= */
.bpa-single-wrap {
  max-width: var(--max-content);
  margin: 0 auto;
}

/* Breadcrumb */
.bpa-breadcrumb {
  padding: var(--space-4) 0 0;
  font-size: 0.8125rem;
  color: #64748B;
}

.bpa-breadcrumb a {
  color: #64748B;
  text-decoration: none;
  transition: color 0.2s;
}

.bpa-breadcrumb a:hover {
  color: var(--color-navy);
}

.bpa-breadcrumb .bpa-breadcrumb-sep {
  margin: 0 6px;
  color: #CBD5E1;
}

.bpa-breadcrumb .bpa-breadcrumb-current {
  color: #475569;
}

/* Article header */
.bpa-article-header {
  padding: var(--space-5) 0 var(--space-6);
  max-width: var(--max-width-content);
}

.bpa-article-header .bpa-badge-cat {
  margin-bottom: var(--space-3);
  font-size: 0.8125rem;
  padding: var(--space-1) var(--space-3);
}

.bpa-article-header h1 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-grey-dark);
  line-height: 1.25;
  margin-bottom: var(--space-4);
}

@media (min-width: 768px) {
  .bpa-article-header h1 {
    font-size: 2.25rem;
  }
}

.bpa-article-meta {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
  font-size: 0.875rem;
  color: var(--color-grey);
}

.bpa-article-meta-author {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 600;
  color: var(--color-grey-dark);
}

.bpa-article-meta-sep {
  width: 4px;
  height: 4px;
  background: var(--color-grey-border);
  border-radius: 50%;
}

/* Featured image */
.bpa-featured-img {
  width: 100%;
  aspect-ratio: 21 / 9;
  object-fit: cover;
  border-radius: var(--radius-card);
  margin-bottom: var(--space-7);
}

/* Article content */
.bpa-article-content {
  max-width: var(--max-width-content);
  font-size: 1rem;
  line-height: 1.8;
  color: var(--color-grey-mid);
}

.bpa-article-content h2 {
  font-size: 1.5rem;
  color: var(--color-navy);
  margin: var(--space-7) 0 var(--space-3);
}

.bpa-article-content h3 {
  font-size: 1.1875rem;
  color: var(--color-grey-dark);
  margin: var(--space-5) 0 var(--space-3);
}

.bpa-article-content p {
  max-width: none;
  margin-bottom: var(--space-4);
}

.bpa-article-content ul,
.bpa-article-content ol {
  list-style: disc;
  padding-left: var(--space-5);
  margin-bottom: var(--space-4);
}

.bpa-article-content ol {
  list-style: decimal;
}

.bpa-article-content li {
  margin-bottom: var(--space-2);
  line-height: 1.7;
}

.bpa-article-content strong {
  font-weight: 600;
  color: var(--color-grey-dark);
}

.bpa-article-content blockquote {
  border-left: 3px solid var(--color-navy);
  padding: var(--space-3) var(--space-4);
  background: var(--color-grey-light);
  border-radius: 0 var(--radius-card) var(--radius-card) 0;
  margin: var(--space-5) 0;
  font-style: italic;
}

.bpa-article-content img {
  border-radius: var(--radius-card);
  margin: var(--space-5) 0;
}

.bpa-article-content a {
  color: var(--color-navy);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.bpa-article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--space-5) 0;
  font-size: 0.9375rem;
}

.bpa-article-content table th {
  background: var(--color-grey-light);
  color: var(--color-grey-dark);
  font-weight: 600;
  text-align: left;
  padding: var(--space-3) var(--space-3);
  border-bottom: 2px solid var(--color-grey-border);
}

.bpa-article-content table td {
  padding: var(--space-3);
  border-bottom: 1px solid var(--color-grey-border);
}

/* Mid-article CTA */
.bpa-article-cta {
  background: var(--color-grey-light);
  border: 1px solid var(--color-grey-border);
  border-left: 4px solid var(--color-green);
  border-radius: var(--radius-card);
  padding: 24px var(--space-5);
  margin: var(--space-6) 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.bpa-article-cta-text h3 {
  font-size: 1.0625rem;
  color: var(--color-grey-dark);
  margin-bottom: var(--space-2);
}

.bpa-article-cta-text p {
  font-size: 0.9375rem;
  color: var(--color-grey);
  max-width: none;
  margin: 0;
}

/* =========================================
   RELATED ARTICLES
   ========================================= */
.bpa-related {
  padding: var(--space-7) 0;
  border-top: 1px solid var(--color-grey-border);
  margin-top: var(--space-7);
}

.bpa-related h2 {
  margin-bottom: var(--space-6);
}

/* =========================================
   MOBILE STICKY BAR
   ========================================= */
.bpa-sticky-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-white);
  border-top: 1px solid var(--color-grey-border);
  padding: var(--space-3) var(--space-4);
  z-index: 400;
  box-shadow: 0 -4px 16px rgba(0,0,0,0.08);
  align-items: center;
  gap: var(--space-2);
}

@media (max-width: 767px) {
  .bpa-sticky-bar {
    display: flex;
  }
}

.bpa-sticky-bar .bpa-btn-primary {
  flex: 1;
  display: block;
  padding: 12px;
  text-align: center;
}

.bpa-sticky-close {
  flex-shrink: 0;
  background: none;
  border: none;
  color: var(--color-grey);
  font-size: 1.25rem;
  cursor: pointer;
  padding: var(--space-2);
  line-height: 1;
  border-radius: 4px;
  transition: color 0.2s;
}

.bpa-sticky-close:hover {
  color: var(--color-grey-dark);
}

/* =========================================
   NEWSLETTER POPUP
   ========================================= */
.bpa-popup-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.5);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
}

.bpa-popup-overlay.is-visible {
  display: flex;
}

.bpa-popup {
  background: var(--color-white);
  border-radius: var(--radius-card);
  padding: var(--space-6) var(--space-5);
  max-width: 480px;
  width: 100%;
  position: relative;
  box-shadow: 0 20px 60px rgba(0,0,0,0.15);
}

.bpa-popup-close {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
  color: var(--color-grey);
  font-size: 1.25rem;
  line-height: 1;
  border-radius: 4px;
  transition: background 0.2s, color 0.2s;
}

.bpa-popup-close:hover {
  background: var(--color-grey-light);
  color: var(--color-grey-dark);
}

.bpa-popup-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-green);
  background: var(--color-green-light);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-badge);
  margin-bottom: var(--space-3);
}

.bpa-popup h3 {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--color-grey-dark);
  margin-bottom: var(--space-2);
  max-width: none;
}

.bpa-popup p {
  font-size: 0.9375rem;
  color: var(--color-grey);
  margin-bottom: var(--space-5);
  max-width: none;
}

.bpa-popup-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.bpa-popup-form input[type="email"] {
  padding: 12px var(--space-4);
  border: 1px solid var(--color-grey-border);
  border-radius: var(--radius-card);
  font-family: inherit;
  font-size: 1rem;
  color: var(--color-grey-dark);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.bpa-popup-form input[type="email"]:focus {
  border-color: var(--color-blue-mid);
  outline: none;
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.bpa-popup-form .bpa-btn-primary {
  width: 100%;
}

.bpa-popup-legal {
  font-size: 0.75rem;
  color: var(--color-grey);
  margin-top: var(--space-2);
  max-width: none;
}

/* =========================================
   CATEGORY PAGE
   ========================================= */
.bpa-cat-header {
  background: var(--color-grey-light);
  padding: var(--space-7) 0 var(--space-6);
  border-bottom: 1px solid var(--color-grey-border);
}

.bpa-cat-label {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 600;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-badge);
  margin-bottom: var(--space-3);
}

.bpa-cat-header h1 {
  margin-bottom: var(--space-3);
}

.bpa-cat-description {
  font-size: 1.0625rem;
  color: var(--color-grey);
  max-width: 560px;
}

/* Pagination */
.bpa-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-7) 0;
}

.bpa-pagination a,
.bpa-pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-card);
  font-size: 0.9375rem;
  font-weight: 500;
  transition: background 0.2s, color 0.2s;
}

.bpa-pagination a {
  color: var(--color-grey-dark);
  border: 1px solid var(--color-grey-border);
}

.bpa-pagination a:hover {
  background: var(--color-grey-light);
  color: var(--color-navy);
}

.bpa-pagination .bpa-current {
  background: var(--color-navy);
  color: var(--color-white);
  border: 1px solid var(--color-navy);
}

/* =========================================
   404 PAGE
   ========================================= */
.bpa-404 {
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-8) var(--space-4);
  text-align: center;
}

.bpa-404-inner h1 {
  font-size: 6rem;
  font-weight: 700;
  color: var(--color-grey-border);
  line-height: 1;
  margin-bottom: var(--space-4);
}

.bpa-404-inner h2 {
  font-size: 1.5rem;
  color: var(--color-grey-dark);
  margin-bottom: var(--space-3);
}

.bpa-404-inner p {
  color: var(--color-grey);
  margin-bottom: var(--space-6);
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
}

.bpa-404-actions {
  display: flex;
  gap: var(--space-3);
  justify-content: center;
  flex-wrap: wrap;
}

/* =========================================
   RESPONSIVE SINGLE LAYOUT
   ========================================= */
.bpa-single-layout {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-4);
}

.bpa-single-content {
  max-width: var(--max-width-content);
  margin: 0 auto;
}

/* =========================================
   UTILITY
   ========================================= */
.bpa-divider {
  border: none;
  border-top: 1px solid var(--color-grey-border);
  margin: var(--space-7) 0;
}

.bpa-no-results {
  text-align: center;
  padding: var(--space-8) var(--space-4);
  color: var(--color-grey);
}

.bpa-no-results h2 {
  color: var(--color-grey-dark);
  margin-bottom: var(--space-3);
}

/* =========================================
   SEARCH BUTTON & DROPDOWN
   ========================================= */
.bpa-search-wrap {
  position: relative;
}

.bpa-search-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
  color: var(--color-grey-mid);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-badge);
  transition: color 0.2s, background 0.2s;
}

.bpa-search-btn:hover {
  color: var(--color-navy);
  background: var(--color-grey-light);
}

.bpa-search-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  width: 300px;
  background: var(--color-white);
  border: 1px solid var(--color-grey-border);
  border-radius: var(--radius-card);
  padding: var(--space-3);
  box-shadow: 0 8px 24px rgba(0,0,0,0.1);
  z-index: 600;
}

.bpa-search-dropdown.is-open {
  display: block;
}

.bpa-search-dropdown form {
  display: flex;
  gap: var(--space-2);
}

.bpa-search-dropdown input[type="search"] {
  flex: 1;
  padding: 10px var(--space-3);
  border: 1px solid var(--color-grey-border);
  border-radius: var(--radius-badge);
  font-family: inherit;
  font-size: 0.9375rem;
  color: var(--color-grey-dark);
  outline: none;
  transition: border-color 0.2s;
}

.bpa-search-dropdown input[type="search"]:focus {
  border-color: var(--color-blue-mid);
  box-shadow: 0 0 0 3px rgba(59,130,246,0.1);
}

.bpa-search-dropdown button[type="submit"] {
  background: var(--color-navy);
  color: var(--color-white);
  border: none;
  border-radius: var(--radius-badge);
  padding: 10px var(--space-3);
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 600;
  font-family: inherit;
  transition: background 0.2s;
  white-space: nowrap;
}

.bpa-search-dropdown button[type="submit"]:hover {
  background: var(--color-navy-dark);
}

/* =========================================
   NEWSLETTER SECTION (INDEX)
   ========================================= */
.bpa-newsletter-section {
  background: #F8FAFC;
  border-top: 1px solid #E2E8F0;
  border-bottom: 1px solid #E2E8F0;
  padding: var(--space-7) 0 var(--space-6);
  margin-top: 0;
}

.bpa-newsletter-inner {
  max-width: 560px;
  margin: 0 auto;
  padding: 0 var(--space-4);
  text-align: center;
}

.bpa-newsletter-inner h2 {
  font-size: 1.5rem;
  color: var(--color-grey-dark);
  margin-bottom: var(--space-2);
}

.bpa-newsletter-inner p {
  font-size: 0.9375rem;
  color: var(--color-grey);
  margin: 0 auto var(--space-6);
  max-width: none;
}

.bpa-newsletter-form {
  display: flex;
  gap: var(--space-2);
  max-width: 440px;
  margin: 0 auto;
}

@media (max-width: 479px) {
  .bpa-newsletter-form {
    flex-direction: column;
  }
}

.bpa-newsletter-form input[type="email"] {
  flex: 1;
  padding: 12px var(--space-4);
  border: 1px solid var(--color-grey-border);
  border-radius: var(--radius-card);
  font-family: inherit;
  font-size: 1rem;
  color: var(--color-grey-dark);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.bpa-newsletter-form input[type="email"]:focus {
  border-color: var(--color-blue-mid);
  box-shadow: 0 0 0 3px rgba(59,130,246,0.1);
}

.bpa-newsletter-form .bpa-btn-primary {
  white-space: nowrap;
  padding: 12px 24px;
}

.bpa-newsletter-legal {
  font-size: 0.75rem;
  color: var(--color-grey);
  margin-top: var(--space-3);
}

/* =========================================
   SKIP NAVIGATION
   ========================================= */
.bpa-skip-nav {
  position: fixed;
  top: -80px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 99999;
  padding: 12px 24px;
  background: var(--color-navy);
  color: var(--color-white);
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: 0 0 var(--radius-btn) var(--radius-btn);
  text-decoration: none;
  white-space: nowrap;
  box-shadow: 0 4px 16px rgba(0,0,0,0.25);
  transition: top 0.2s ease;
}

.bpa-skip-nav:focus {
  top: 0;
  color: var(--color-white);
  outline: 3px solid var(--color-blue);
  outline-offset: 2px;
}

/* =========================================
   BACK-TO-TOP
   ========================================= */
.bpa-back-to-top {
  position: fixed;
  bottom: 80px;
  right: 20px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-navy);
  color: var(--color-white);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 300;
  box-shadow: 0 2px 12px rgba(30,58,138,0.3);
  transition: background 0.2s, transform 0.2s;
}

.bpa-back-to-top:hover {
  background: var(--color-navy-dark);
  transform: translateY(-2px);
}

.bpa-back-to-top[hidden] {
  display: none;
}

@media (min-width: 768px) {
  .bpa-back-to-top {
    bottom: 32px;
  }
}