/* ===== BLOG SHARED STYLESHEET ===== */

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

:root {
  --color-primary: #2b3a67;
  --color-primary-light: #3d4f8a;
  --color-primary-dark: #1e2a4d;
  --color-accent: #c4956a;
  --color-accent-light: #dbb896;

  --color-bg: #faf8f5;
  --color-bg-alt: #f2efe9;
  --color-bg-dark: #1e2a4d;
  --color-text: #2d3436;
  --color-text-light: #636e72;
  --color-text-inverse: #faf9f7;
  --color-border: #e0ddd8;

  --font-heading: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  --radius: 12px;
  --radius-sm: 8px;
  --transition: 0.3s ease;
}

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

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
}

/* ===== NAVIGATION ===== */
.blog-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  padding: 1rem 0;
}

.blog-nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.blog-nav-logo {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--color-primary);
  transition: color var(--transition);
}

.blog-nav-logo:hover {
  color: var(--color-primary-light);
}

.blog-nav-back {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-light);
  transition: color var(--transition);
}

.blog-nav-back:hover {
  color: var(--color-primary);
}

/* ===== ARTICLE LAYOUT ===== */
.blog-article {
  max-width: 720px;
  margin: 0 auto;
  padding: 3rem 2rem 4rem;
}

/* ===== ARTICLE HEADER ===== */
.article-header {
  margin-bottom: 3rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--color-border);
}

.article-back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-primary);
  margin-bottom: 2rem;
  transition: color var(--transition);
}

.article-back-link:hover {
  color: var(--color-primary-light);
}

.article-header h1 {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 2.75rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-text);
  margin-bottom: 1rem;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.article-meta-date,
.article-meta-author {
  font-size: 0.88rem;
  color: var(--color-text-light);
  font-weight: 400;
}

.article-meta-author {
  font-weight: 500;
  color: var(--color-primary);
}

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

/* ===== ARTICLE BODY TYPOGRAPHY ===== */
.article-body h2 {
  font-family: var(--font-heading);
  font-size: 1.65rem;
  font-weight: 600;
  line-height: 1.3;
  color: var(--color-text);
  margin-top: 2.5rem;
  margin-bottom: 1rem;
}

.article-body h3 {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 600;
  line-height: 1.35;
  color: var(--color-text);
  margin-top: 2rem;
  margin-bottom: 0.75rem;
}

.article-body p {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--color-text);
  margin-bottom: 1.25rem;
}

.article-body strong {
  font-weight: 600;
  color: var(--color-text);
}

.article-body em {
  font-style: italic;
}

/* Lists */
.article-body ul,
.article-body ol {
  margin-bottom: 1.25rem;
  padding-left: 1.5rem;
}

.article-body ul {
  list-style: none;
  padding-left: 0;
}

.article-body ul li {
  position: relative;
  padding-left: 1.25rem;
  margin-bottom: 0.5rem;
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--color-text);
}

.article-body ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
}

.article-body ol li {
  margin-bottom: 0.5rem;
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--color-text);
}

/* Blockquotes */
.article-body blockquote {
  margin: 2rem 0;
  padding: 1.5rem 2rem;
  background: var(--color-bg-alt);
  border-left: 4px solid var(--color-accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.article-body blockquote p {
  font-size: 1.05rem;
  font-style: italic;
  color: var(--color-text);
  line-height: 1.8;
  margin-bottom: 0.75rem;
}

.article-body blockquote p:last-child {
  margin-bottom: 0;
}

/* Links in body */
.article-body a {
  color: var(--color-primary);
  text-decoration: underline;
  text-decoration-color: var(--color-accent-light);
  text-underline-offset: 3px;
  transition: color var(--transition), text-decoration-color var(--transition);
}

.article-body a:hover {
  color: var(--color-primary-light);
  text-decoration-color: var(--color-primary-light);
}

/* Horizontal rules */
.article-body hr {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: 2.5rem 0;
}

/* ===== Q&A STYLING ===== */
.qa-block {
  margin-bottom: 2rem;
}

.qa-block .question {
  font-weight: 600;
  color: var(--color-primary);
  font-size: 1.05rem;
  margin-bottom: 0.5rem;
  line-height: 1.6;
}

.qa-block .answer {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--color-text);
}

/* ===== AUTHOR CTA SECTION ===== */
.article-cta {
  margin-top: 3.5rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--color-border);
}

.article-cta-heading {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 1.5rem;
}

.cta-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.cta-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  background: var(--color-bg-alt);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  transition: all var(--transition);
  text-decoration: none;
}

.cta-card:hover {
  background: #fff;
  border-color: var(--color-accent);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
}

.cta-card-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border-radius: 10px;
}

.cta-card-content h3 {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0.15rem;
}

.cta-card-content p {
  font-size: 0.85rem;
  color: var(--color-text-light);
  line-height: 1.5;
}

/* ===== FOOTER ===== */
.blog-footer {
  background: var(--color-bg-dark);
  padding: 3rem 0;
  margin-top: 2rem;
}

.blog-footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  text-align: center;
}

.blog-footer-brand .blog-nav-logo {
  color: #fff;
  font-size: 1.3rem;
}

.blog-footer-brand p {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
  margin-top: 0.25rem;
}

.blog-footer-links {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
  justify-content: center;
}

.blog-footer-links a {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.6);
  transition: color var(--transition);
}

.blog-footer-links a:hover {
  color: #fff;
}

.blog-footer-copy {
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.35);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .blog-article {
    padding: 2rem 1.25rem 3rem;
  }

  .article-header h1 {
    font-size: 1.75rem;
  }

  .article-body h2 {
    font-size: 1.4rem;
  }

  .article-body h3 {
    font-size: 1.15rem;
  }

  .article-body blockquote {
    padding: 1.25rem 1.25rem;
    margin: 1.5rem 0;
  }

  .article-meta {
    gap: 0.75rem;
  }

  .blog-footer-links {
    gap: 1rem 1.5rem;
  }
}

@media (max-width: 480px) {
  .blog-nav-inner {
    padding: 0 1.25rem;
  }

  .blog-nav-logo {
    font-size: 1.15rem;
  }

  .blog-nav-back {
    font-size: 0.82rem;
  }

  .article-header h1 {
    font-size: 1.5rem;
  }

  .cta-card {
    flex-direction: column;
    text-align: center;
  }
}