/* PennyBot Blog — Extends landing page styles with article-specific patterns */

/* ============================================
   BLOG LISTING PAGE
   ============================================ */
.blog-header {
  background: linear-gradient(135deg, var(--color-brand-primary, #2E5EAA) 0%, var(--color-brand-secondary, #5DA9E9) 100%);
  color: #fff;
  text-align: center;
  padding: 64px 0 48px;
}

.blog-header h1 {
  font-family: var(--font-accent, Rubik, Inter, sans-serif);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: var(--font-weight-bold, 700);
  line-height: 1.2;
  margin-bottom: 12px;
}

.blog-header p {
  font-size: clamp(1rem, 2vw, 1.15rem);
  opacity: 0.9;
  max-width: 560px;
  margin: 0 auto;
}

/* Post cards grid */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 28px;
  padding: 56px 0 80px;
}

.blog-card {
  background: #fff;
  border: 1px solid var(--color-border-default, #E5E7EB);
  border-radius: 12px;
  overflow: hidden;
  transition: box-shadow 0.2s ease, border-color 0.2s ease;
  display: flex;
  flex-direction: column;
}

.blog-card:hover {
  box-shadow: 0 4px 16px rgba(46, 94, 170, 0.10);
  border-color: var(--color-brand-secondary, #5DA9E9);
}

.blog-card__body {
  padding: 28px 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.blog-card__category {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: var(--font-weight-semibold, 600);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-brand-primary, #2E5EAA);
  background: rgba(46, 94, 170, 0.08);
  padding: 4px 10px;
  border-radius: 4px;
  margin-bottom: 12px;
  width: fit-content;
}

.blog-card__title {
  font-family: var(--font-accent, Rubik, Inter, sans-serif);
  font-size: 1.2rem;
  font-weight: var(--font-weight-bold, 700);
  line-height: 1.35;
  margin-bottom: 10px;
  color: var(--color-brand-neutral-dark, #33373B);
}

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

.blog-card__title a:hover {
  color: var(--color-brand-primary, #2E5EAA);
}

.blog-card__excerpt {
  font-size: 0.9rem;
  color: var(--color-text-muted, #5A6268);
  line-height: 1.6;
  margin-bottom: 16px;
  flex: 1;
}

.blog-card__meta {
  font-size: 0.8rem;
  color: var(--color-text-muted, #5A6268);
  opacity: 0.8;
}

/* ============================================
   ARTICLE PAGE
   ============================================ */
.article-header {
  background: linear-gradient(135deg, var(--color-brand-primary, #2E5EAA) 0%, var(--color-brand-secondary, #5DA9E9) 100%);
  color: #fff;
  text-align: center;
  padding: 64px 0 48px;
}

.article-header__category {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: var(--font-weight-semibold, 600);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: rgba(255, 255, 255, 0.18);
  padding: 4px 14px;
  border-radius: 20px;
  margin-bottom: 16px;
}

.article-header h1 {
  font-family: var(--font-accent, Rubik, Inter, sans-serif);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: var(--font-weight-bold, 700);
  line-height: 1.2;
  max-width: 780px;
  margin: 0 auto 16px;
}

.article-header__meta {
  font-size: 0.9rem;
  opacity: 0.85;
}

.article-header__meta span + span::before {
  content: "\00B7";
  margin: 0 8px;
}

/* Article body */
.article-body {
  max-width: 720px;
  margin: 0 auto;
  padding: 48px 24px 80px;
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--color-text-default, #33373B);
}

.article-body h2 {
  font-family: var(--font-accent, Rubik, Inter, sans-serif);
  font-size: 1.5rem;
  font-weight: var(--font-weight-bold, 700);
  margin: 48px 0 16px;
  color: var(--color-brand-neutral-dark, #33373B);
}

.article-body h3 {
  font-size: 1.2rem;
  font-weight: var(--font-weight-semibold, 600);
  margin: 32px 0 12px;
  color: var(--color-brand-neutral-dark, #33373B);
}

.article-body p {
  margin-bottom: 20px;
}

.article-body ul,
.article-body ol {
  margin-bottom: 20px;
  padding-left: 24px;
}

.article-body li {
  margin-bottom: 8px;
  line-height: 1.7;
}

.article-body strong {
  font-weight: var(--font-weight-semibold, 600);
  color: var(--color-brand-neutral-dark, #33373B);
}

.article-body a {
  color: var(--color-brand-primary, #2E5EAA);
  text-decoration: underline;
  text-decoration-color: rgba(46, 94, 170, 0.3);
  text-underline-offset: 2px;
  transition: text-decoration-color 0.15s;
}

.article-body a:hover {
  text-decoration-color: var(--color-brand-primary, #2E5EAA);
}

/* Callout / tip box */
.article-callout {
  background: var(--color-info-bg, #f0f9ff);
  border-left: 4px solid var(--color-brand-primary, #2E5EAA);
  padding: 20px 24px;
  border-radius: 0 8px 8px 0;
  margin: 28px 0;
  font-size: 0.95rem;
}

.article-callout strong {
  display: block;
  margin-bottom: 6px;
  color: var(--color-brand-primary, #2E5EAA);
}

/* CTA box at end of article */
.article-cta {
  background: linear-gradient(135deg, var(--color-brand-primary, #2E5EAA) 0%, var(--color-brand-secondary, #5DA9E9) 100%);
  color: #fff;
  text-align: center;
  padding: 40px 32px;
  border-radius: 12px;
  margin: 48px 0 0;
}

.article-cta h3 {
  color: #fff;
  font-family: var(--font-accent, Rubik, Inter, sans-serif);
  font-size: 1.3rem;
  margin: 0 0 8px;
}

.article-cta p {
  opacity: 0.9;
  margin-bottom: 20px;
  font-size: 1rem;
}

.article-cta .landing-btn--primary {
  background: #fff;
  color: var(--color-brand-primary, #2E5EAA);
  border-color: #fff;
}

.article-cta .landing-btn--primary:hover {
  background: var(--color-brand-accent, #7FE1B0);
  border-color: var(--color-brand-accent, #7FE1B0);
  color: var(--color-brand-neutral-dark, #33373B);
}

/* Back to blog link */
.article-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  margin-bottom: 20px;
}

.article-back:hover {
  color: #fff;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
  .blog-grid {
    grid-template-columns: 1fr;
    padding: 36px 0 56px;
  }

  .blog-header,
  .article-header {
    padding: 48px 0 36px;
  }

  .article-body {
    padding: 32px 20px 56px;
    font-size: 1rem;
  }

  .article-body h2 {
    font-size: 1.3rem;
    margin-top: 36px;
  }

  .article-cta {
    padding: 32px 24px;
  }
}