/* =========================================================
   BLOG PAGE — ENTERPRISE-CLASS PROFESSIONAL DESIGN
   Scope: /blog.php, /blog/*
   Typography: Poppins (headings) + Lato (body)
   Responsive: Mobile to 5K (320px - 5120px)
   ========================================================= */

/* -----------------------------
   IMPORTS & TYPOGRAPHY
------------------------------ */
/* Note: Google Fonts loaded globally via common-scripts.php */

:root {
  /* Primary: Coral/Red from hero image neural network */
  --blog-primary: #e74c3c;
  --blog-primary-dark: #c0392b;

  /* Secondary: Cyan/Teal accent from hero image */
  --blog-secondary: #00bcd4;
  --blog-secondary-dark: #0097a7;

  /* Text colors */
  --blog-text-dark: #1a1a1a;
  --blog-text-medium: #444;
  --blog-text-light: #666;

  /* Background colors */
  --blog-bg-light: #f8f7f6;
  --blog-bg-white: #ffffff;
  --blog-border: #e5e5e5;

  /* Shadows */
  --blog-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  --blog-shadow-hover: 0 8px 30px rgba(231, 76, 60, 0.15);
  --blog-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);

  /* Font stacks */
  --font-heading: "Poppins", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-body: "Lato", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  /* Hero gradient - subtle dark overlay to let image colors shine */
  --blog-hero-gradient: linear-gradient(135deg, rgba(13, 13, 13, 0.35) 0%, rgba(26, 26, 46, 0.55) 100%);

  /* CTA gradient - contrasting teal/cyan matching hero aesthetics */
  --blog-cta-gradient: linear-gradient(135deg, #0097a7 0%, #006064 100%);
}

/* Note: overflow-x is controlled by header.css for consistent viewport width */

/* -----------------------------
   HERO SECTION (uses shared hero-centered.css)
   Only page-specific gradient override needed
------------------------------ */
.hero-centered {
  --hero-gradient: var(--blog-hero-gradient);
}

/* -----------------------------
   BREADCRUMB - Styles moved to core/breadcrumb.css
------------------------------ */

/* -----------------------------
   BLOG LISTING - CARD GRID
------------------------------ */
.blog-listing {
  padding: var(--section-padding-y) 0;
  background: var(--blog-bg-light);
}

.blog-listing .container {
  max-width: var(--content-max-width);
  margin: 0 auto;
  padding: 0 var(--page-padding-x);
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(20px, 2vw, 30px);
}

/* Blog Card */
.blog-card {
  background: var(--blog-bg-white);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--blog-shadow);
  transition: var(--blog-transition);
  display: flex;
  flex-direction: column;
}

.blog-card:hover {
  box-shadow: var(--blog-shadow-hover);
  transform: translateY(-8px);
}

/* Card Image */
.blog-card-image {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
}

.blog-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.blog-card:hover .blog-card-image img {
  transform: scale(1.08);
}

/* Date Badge */
.blog-card-date {
  position: absolute;
  top: 16px;
  left: 16px;
  background: var(--blog-primary);
  color: #fff;
  padding: 8px 12px;
  border-radius: 8px;
  text-align: center;
  font-family: var(--font-heading);
  box-shadow: 0 4px 12px rgba(231, 76, 60, 0.4);
}

.blog-card-date .day {
  display: block;
  font-size: clamp(18px, 1.5vw, 24px);
  font-weight: 700;
  line-height: 1;
}

.blog-card-date .month {
  display: block;
  font-size: clamp(10px, 0.8vw, 12px);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-top: 2px;
}

/* Card Content */
.blog-card-content {
  padding: clamp(20px, 2vw, 28px);
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.blog-card-category {
  display: inline-block;
  font-family: var(--font-body);
  font-size: clamp(11px, 0.8vw, 13px);
  font-weight: 600;
  color: var(--blog-secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 12px;
}

.blog-card-title {
  font-family: var(--font-heading);
  font-size: clamp(16px, 1.2vw, 22px);
  font-weight: 600;
  line-height: 1.4;
  color: var(--blog-text-dark);
  margin: 0 0 12px 0;
  transition: color 0.3s ease;
}

.blog-card-title a {
  color: inherit;
  text-decoration: none;
}

.blog-card:hover .blog-card-title {
  color: var(--blog-primary);
}

.blog-card-excerpt {
  font-family: var(--font-body);
  font-size: clamp(14px, 0.9vw, 16px);
  line-height: 1.7;
  color: var(--blog-text-medium);
  margin: 0;
  flex-grow: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.blog-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--blog-border);
}

.blog-card-author {
  font-family: var(--font-body);
  font-size: clamp(12px, 0.85vw, 14px);
  color: var(--blog-text-light);
}

.blog-card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-heading);
  font-size: clamp(13px, 0.9vw, 15px);
  font-weight: 600;
  color: var(--blog-primary);
  text-decoration: none;
  transition: var(--blog-transition);
}

.blog-card-link:hover {
  color: var(--blog-primary-dark);
}

.blog-card-link svg {
  width: 16px;
  height: 16px;
  transition: transform 0.3s ease;
}

.blog-card:hover .blog-card-link svg {
  transform: translateX(4px);
}

/* -----------------------------
   PAGINATION
------------------------------ */
.blog-pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  margin-top: clamp(40px, 5vw, 60px);
  font-family: var(--font-heading);
}

.blog-pagination a,
.blog-pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  min-height: 44px;
  padding: 8px 16px;
  border-radius: 8px;
  font-size: clamp(14px, 1vw, 16px);
  font-weight: 500;
  text-decoration: none;
  transition: var(--blog-transition);
}

.blog-pagination a {
  background: var(--blog-bg-white);
  color: var(--blog-text-dark);
  border: 1px solid var(--blog-border);
}

.blog-pagination a:hover {
  background: var(--blog-primary);
  color: #fff;
  border-color: var(--blog-primary);
}

.blog-pagination .current {
  background: var(--blog-primary);
  color: #fff;
  border: 1px solid var(--blog-primary);
}

.blog-pagination .disabled {
  background: var(--blog-bg-light);
  color: var(--blog-text-light);
  border: 1px solid var(--blog-border);
  cursor: not-allowed;
  pointer-events: none;
}

/* -----------------------------
   BLOG DETAIL - FEATURED IMAGE
   Positioned at the top of article content, matching article width
------------------------------ */
.blog-featured-image {
  max-width: 900px;
  margin: 0 auto;
  padding: clamp(30px, 4vw, 50px) var(--page-padding-x) 0;
}

.blog-featured-image img {
  width: 100%;
  height: clamp(280px, 35vw, 450px);
  object-fit: cover;
  object-position: center;
  border-radius: 12px;
  box-shadow: var(--blog-shadow);
}

/* -----------------------------
   BLOG DETAIL - ARTICLE CONTENT
------------------------------ */
.blog-article {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 var(--page-padding-x) var(--section-padding-y);
}

.blog-article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin-top: clamp(15px, 2vw, 25px);
  margin-bottom: clamp(30px, 4vw, 40px);
  padding-bottom: clamp(20px, 3vw, 30px);
  border-bottom: 1px solid var(--blog-border);
  font-family: var(--font-body);
  font-size: clamp(14px, 1vw, 16px);
  color: var(--blog-text-light);
}

.blog-article-meta span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.blog-article-meta i {
  color: var(--blog-secondary);
}

/* Article Typography */
.blog-article-content h2,
.blog-article-content h3,
.blog-article-content h4 {
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--blog-text-dark);
  margin-top: clamp(30px, 4vw, 40px);
  margin-bottom: clamp(15px, 2vw, 20px);
  line-height: 1.3;
}

.blog-article-content h2 {
  font-size: clamp(22px, 2vw, 32px);
}

.blog-article-content h3 {
  font-size: clamp(20px, 1.8vw, 28px);
}

.blog-article-content h4 {
  font-size: clamp(18px, 1.5vw, 24px);
}

.blog-article-content p {
  font-family: var(--font-body);
  font-size: clamp(16px, 1.1vw, 20px);
  line-height: 1.8;
  color: var(--blog-text-medium);
  margin-bottom: 20px;
  text-align: justify;
  text-align-last: left;
}

.blog-article-content ul,
.blog-article-content ol {
  margin: 20px 0;
  padding-left: 24px;
  text-align: justify;
  text-align-last: left;
}

.blog-article-content li {
  font-family: var(--font-body);
  font-size: clamp(16px, 1.1vw, 20px);
  line-height: 1.8;
  color: var(--blog-text-medium);
  margin-bottom: 10px;
  text-align: justify;
  text-align-last: left;
}

.blog-article-content a {
  color: var(--blog-primary);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: var(--blog-transition);
}

.blog-article-content a:hover {
  color: var(--blog-primary-dark);
  border-bottom-color: var(--blog-primary-dark);
}

.blog-article-content blockquote {
  margin: 30px 0;
  padding: 20px 30px;
  border-left: 4px solid var(--blog-secondary);
  background: var(--blog-bg-light);
  font-style: italic;
  border-radius: 0 8px 8px 0;
  text-align: justify;
  text-align-last: left;
}

/* -----------------------------
   BLOG CTA SECTION
------------------------------ */
.blog-cta {
  padding: clamp(50px, 8vw, 80px) 0;
  text-align: center;
  color: #ffffff;
  background: var(--blog-cta-gradient);
  position: relative;
  overflow: hidden;
}

/* Subtle light overlay for depth */
.blog-cta::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
              radial-gradient(circle at 70% 70%, rgba(0, 0, 0, 0.15) 0%, transparent 50%);
  pointer-events: none;
}

.blog-cta::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(255, 255, 255, 0.05) 0%, transparent 70%);
  pointer-events: none;
}

.blog-cta .cta-content {
  position: relative;
  z-index: 1;
}

.blog-cta h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  margin-bottom: 32px;
  color: #ffffff;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.blog-cta .btn-cta {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: clamp(14px, 2vw, 18px) clamp(32px, 4vw, 48px);
  font-family: var(--font-heading);
  font-size: clamp(16px, 1.2vw, 19px);
  font-weight: 600;
  color: #ffffff;
  background: linear-gradient(135deg, var(--blog-primary) 0%, var(--blog-primary-dark) 100%);
  border: none;
  border-radius: 50px;
  text-decoration: none;
  box-shadow: 0 8px 24px rgba(231, 76, 60, 0.4), 0 0 40px rgba(231, 76, 60, 0.2);
  transition: var(--blog-transition);
  cursor: pointer;
}

.blog-cta .btn-cta:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(231, 76, 60, 0.5), 0 0 60px rgba(231, 76, 60, 0.3);
  background: linear-gradient(135deg, #ef5350 0%, var(--blog-primary) 100%);
}

.blog-cta .btn-cta .btn-arrow {
  width: 20px;
  height: 20px;
  transition: transform 0.3s ease;
}

.blog-cta .btn-cta:hover .btn-arrow {
  transform: translateX(5px);
}

/* -----------------------------
   RESPONSIVE BREAKPOINTS
------------------------------ */

/* Tablet (768px - 1024px) */
@media (max-width: 1024px) {
  .blog-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Tablet Portrait & Mobile Landscape */
@media (max-width: 768px) {
  .blog-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
}

/* Mobile - uses var(--page-padding-x) which is updated by page-layout.css */
@media (max-width: 767px) {
  .blog-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  /* Breadcrumb styles moved to core/breadcrumb.css */

  .blog-pagination a,
  .blog-pagination span {
    min-width: 40px;
    min-height: 40px;
    padding: 8px 12px;
  }
}

/* Mobile Portrait - additional refinements */
@media (max-width: 480px) {
  .blog-card-date {
    top: 12px;
    left: 12px;
    padding: 6px 10px;
  }

  .blog-card-content {
    padding: 16px;
  }
}

/* Large Screens (1920px+) */
@media (min-width: 1920px) {
  .blog-listing .container {
    max-width: 1600px;
  }

  .blog-article {
    max-width: 1000px;
  }

  .blog-featured-image {
    max-width: 1000px;
  }
}

/* 2K/QHD Displays (2560px - 3839px) */
@media (min-width: 2560px) and (max-width: 3839px) {
  .blog-listing .container {
    max-width: 2000px;
  }

  .blog-article {
    max-width: 1100px;
  }

  .blog-featured-image {
    max-width: 1100px;
  }

  .blog-cta h2 {
    font-size: 3.2rem;
  }
}

/* 4K Displays (3840px - 5119px) */
@media (min-width: 3840px) and (max-width: 5119px) {
  .blog-listing .container {
    max-width: 2600px;
  }

  /* Match blog-article width with legal-content */
  .blog-article {
    max-width: 2000px;
  }

  .blog-featured-image {
    max-width: 2000px;
  }

  /* Breadcrumb 4K scaling moved to core/breadcrumb.css */

  /* Blog Cards - 4K scaling */
  .blog-card-title {
    font-size: clamp(22px, 1.2vw, 36px);
  }

  .blog-card-excerpt {
    font-size: clamp(16px, 0.9vw, 28px);
  }

  .blog-card-category {
    font-size: clamp(13px, 0.8vw, 20px);
  }

  .blog-card-author {
    font-size: clamp(14px, 0.85vw, 24px);
  }

  .blog-card-link {
    font-size: clamp(15px, 0.9vw, 24px);
  }

  /* Article Content - 4K scaling */
  .blog-article-meta {
    font-size: clamp(16px, 1vw, 28px);
  }

  .blog-article-content h2 {
    font-size: clamp(32px, 1.8vw, 48px);
  }

  .blog-article-content h3 {
    font-size: clamp(28px, 1.6vw, 44px);
  }

  .blog-article-content h4 {
    font-size: clamp(24px, 1.4vw, 40px);
  }

  .blog-article-content p,
  .blog-article-content li {
    font-size: clamp(20px, 1.1vw, 32px);
  }

  /* CTA Section - 4K scaling */
  .blog-cta h2 {
    font-size: clamp(36px, 2.4vw, 64px);
  }

  .blog-cta .btn-cta {
    font-size: clamp(19px, 1.1vw, 28px);
    padding: clamp(20px, 1.6vw, 32px) clamp(52px, 3.5vw, 72px);
  }
}

/* 5K+ Displays */
@media (min-width: 5120px) {
  .blog-listing .container {
    max-width: 3200px;
  }

  /* Match blog-article width with legal-content at 5K (2600px) */
  .blog-article {
    max-width: 2600px;
  }

  .blog-featured-image {
    max-width: 2600px;
  }

  /* Breadcrumb 5K scaling moved to core/breadcrumb.css */

  /* Blog Cards - 5K scaling */
  .blog-card-title {
    font-size: clamp(26px, 1.2vw, 44px);
  }

  .blog-card-excerpt {
    font-size: clamp(18px, 0.9vw, 32px);
  }

  .blog-card-category {
    font-size: clamp(15px, 0.8vw, 24px);
  }

  .blog-card-author {
    font-size: clamp(16px, 0.85vw, 28px);
  }

  .blog-card-link {
    font-size: clamp(18px, 0.9vw, 28px);
  }

  /* Article Content - 5K scaling */
  .blog-article-meta {
    font-size: clamp(18px, 1vw, 32px);
  }

  .blog-article-content h2 {
    font-size: clamp(36px, 1.8vw, 56px);
  }

  .blog-article-content h3 {
    font-size: clamp(32px, 1.6vw, 52px);
  }

  .blog-article-content h4 {
    font-size: clamp(28px, 1.4vw, 48px);
  }

  .blog-article-content p,
  .blog-article-content li {
    font-size: clamp(24px, 1.1vw, 36px);
  }

  /* CTA Section - 5K scaling */
  .blog-cta h2 {
    font-size: clamp(44px, 2.4vw, 80px);
  }

  .blog-cta .btn-cta {
    font-size: clamp(22px, 1.1vw, 32px);
    padding: clamp(24px, 1.6vw, 40px) clamp(60px, 3.5vw, 88px);
  }
}

/* -----------------------------
   ACCESSIBILITY & PRINT
------------------------------ */

/* Focus States */
a:focus,
button:focus {
  outline: 2px solid var(--blog-primary);
  outline-offset: 3px;
}

/* Reduced Motion - handled by hero-centered.css */

/* Print Styles */
@media print {
  /* Breadcrumb print styles moved to core/breadcrumb.css */
  .blog-cta,
  .blog-pagination {
    display: none;
  }

  .hero-centered {
    page-break-after: avoid;
  }

  .blog-card {
    page-break-inside: avoid;
  }
}