/* ==========================================================================
   ARTICLE PAGE STYLES
   Blog-style article layout for SEO content pages
   ========================================================================== */

/* --- Article Container --- */
.article-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 40px 24px 60px;
  font-size: 16px;
  line-height: 1.8;
  color: #333;
}

.article-container p {
  margin: 0 0 20px 0;
}

.article-container ul,
.article-container ol {
  margin: 0 0 24px 0;
  padding-left: 24px;
}

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

.article-container a {
  color: #e63946;
  text-decoration: none;
  font-weight: 600;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s;
}

.article-container a:hover {
  border-bottom-color: #e63946;
}

/* --- Article Meta (byline, date, read time) --- */
.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  align-items: center;
  padding-bottom: 20px;
  margin-bottom: 28px;
  border-bottom: 1px solid #e9ecef;
  font-size: 14px;
  color: #666;
}

.article-meta i {
  margin-right: 6px;
  color: #999;
}

/* --- Table of Contents --- */
.article-toc {
  background: #f8f9fa;
  border: 1px solid #e9ecef;
  border-left: 4px solid #1d3557;
  border-radius: 8px;
  padding: 20px 24px;
  margin-bottom: 32px;
}

.article-toc h3 {
  font-size: 16px;
  font-weight: 700;
  color: #1d3557;
  margin: 0 0 12px 0;
}

.article-toc h3 i {
  margin-right: 8px;
}

.article-toc ol {
  margin: 0;
  padding-left: 20px;
}

.article-toc li {
  margin-bottom: 4px;
  font-size: 14px;
  line-height: 1.6;
}

.article-toc a {
  color: #1d3557;
  font-weight: 500;
  text-decoration: none;
  border-bottom: none;
}

.article-toc a:hover {
  color: #e63946;
  border-bottom: none;
}

/* --- Headers --- */
.article-container h2 {
  font-size: 1.6rem;
  font-weight: 800;
  color: #1d3557;
  margin: 48px 0 16px 0;
  padding-left: 16px;
  border-left: 4px solid #e63946;
  line-height: 1.3;
}

.article-container h2:first-of-type {
  margin-top: 32px;
}

.article-container h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: #1d3557;
  margin: 32px 0 12px 0;
  line-height: 1.4;
}

/* --- Tables --- */
.article-table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0 28px;
  font-size: 14px;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

.article-table thead {
  background: #1d3557;
  color: #fff;
}

.article-table th {
  padding: 12px 16px;
  text-align: left;
  font-weight: 700;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.article-table td {
  padding: 12px 16px;
  border-bottom: 1px solid #e9ecef;
  color: #444;
}

.article-table tbody tr:nth-child(even) {
  background: #f8f9fa;
}

.article-table tbody tr:hover {
  background: #eef2f7;
}

.article-table a {
  color: #e63946;
  font-weight: 600;
}

/* --- Callout Boxes --- */
.article-callout {
  display: flex;
  gap: 16px;
  background: #eef4ff;
  border: 1px solid #c8d8f0;
  border-radius: 8px;
  padding: 20px;
  margin: 24px 0;
  font-size: 15px;
  line-height: 1.7;
}

.article-callout > i {
  font-size: 22px;
  color: #1d3557;
  flex-shrink: 0;
  margin-top: 2px;
}

.article-callout strong {
  color: #1d3557;
}

.article-callout-green {
  background: #eaf7ed;
  border-color: #b8dfc3;
}

.article-callout-green > i {
  color: #28a745;
}

.article-callout-green strong {
  color: #1a6b2a;
}

.article-callout-warning {
  background: #fff8e6;
  border-color: #f0d880;
}

.article-callout-warning > i {
  color: #d4a017;
}

.article-callout-warning strong {
  color: #8a6a0a;
}

/* --- Tip Boxes --- */
.article-tip-box {
  background: #fff;
  border: 1px solid #e0e0e0;
  border-radius: 10px;
  padding: 24px;
  margin: 24px 0;
  box-shadow: 0 2px 12px rgba(0,0,0,0.05);
}

.article-tip-box h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: #1d3557;
  margin: 0 0 14px 0;
  padding: 0;
  border: none;
}

.article-tip-box h3 i {
  color: #e63946;
  margin-right: 8px;
}

.article-tip-box ul,
.article-tip-box ol {
  margin: 0;
  padding-left: 20px;
}

.article-tip-box li {
  margin-bottom: 10px;
  font-size: 15px;
  line-height: 1.7;
}

/* --- Scenario Boxes --- */
.article-scenario {
  background: #f8f9fa;
  border-radius: 10px;
  padding: 20px 24px;
  margin: 20px 0;
  border-left: 4px solid #e63946;
}

.article-scenario h3 {
  font-size: 1.05rem;
  margin: 0 0 8px 0;
  color: #1d3557;
  border: none;
  padding: 0;
}

.article-scenario p {
  margin: 0;
  font-size: 15px;
}

/* --- Article Cards (Homepage) --- */
.article-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 1100px;
  margin: 0 auto;
}

.article-card {
  background: #fff;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(0,0,0,0.07);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
}

.article-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.12);
}

.article-card-header {
  height: 8px;
}

.article-card-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.article-card-icon {
  font-size: 2rem;
  margin-bottom: 12px;
  display: block;
}

.article-card-body h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: #1d3557;
  margin: 0 0 10px 0;
  line-height: 1.4;
}

.article-card-body p {
  font-size: 0.9rem;
  color: #555;
  line-height: 1.6;
  margin: 0 0 16px 0;
  flex: 1;
}

.article-card-link {
  font-size: 0.9rem;
  font-weight: 700;
  color: #e63946;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  text-decoration: none;
}

.article-card-link:hover {
  gap: 10px;
}

/* --- Responsive --- */
@media (max-width: 768px) {
  .article-container {
    padding: 24px 16px 40px;
  }

  .article-container h2 {
    font-size: 1.35rem;
  }

  .article-meta {
    flex-direction: column;
    gap: 8px;
  }

  .article-table {
    font-size: 13px;
  }

  .article-table th,
  .article-table td {
    padding: 10px 12px;
  }

  .article-callout {
    flex-direction: column;
    gap: 10px;
  }

  .article-cards {
    grid-template-columns: 1fr;
    max-width: 480px;
  }
}

@media (max-width: 480px) {
  .article-table {
    font-size: 12px;
  }

  .article-table th,
  .article-table td {
    padding: 8px 10px;
  }
}