/* ═══════════════════════════════════════════════
   SWAPUSDT BLOG CSS
   ═══════════════════════════════════════════════ */

/* ── BLOG HERO ─────────────────────────────────── */
.blog-hero {
  background: linear-gradient(160deg, var(--bg2) 0%, var(--bg) 100%);
  border-bottom: 1px solid var(--border);
  padding: 64px 24px 48px;
  text-align: center;
}
.blog-hero-inner { max-width: 720px; margin: 0 auto; }
.blog-hero h1 {
  font-size: clamp(28px, 5vw, 48px);
  font-weight: 700;
  color: var(--white);
  margin: 16px 0 12px;
}
.blog-hero p {
  color: var(--muted);
  font-size: 16px;
  max-width: 560px;
  margin: 0 auto 28px;
}
.blog-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
}
.blog-tag {
  padding: 6px 16px;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--muted);
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  transition: all 0.2s;
}
.blog-tag:hover, .blog-tag.active {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(0,230,118,0.06);
}

/* ── CONTAINER ─────────────────────────────────── */
.blog-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── FEATURED POST ─────────────────────────────── */
.blog-featured {
  padding: 48px 24px;
  background: var(--bg);
}
.featured-card {
  display: flex;
  gap: 40px;
  align-items: center;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 36px;
  text-decoration: none;
  color: inherit;
  position: relative;
  overflow: hidden;
  transition: border-color 0.2s, transform 0.2s;
}
.featured-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
}
.featured-card:hover {
  border-color: rgba(0,230,118,0.4);
  transform: translateY(-2px);
}
.featured-badge {
  position: absolute;
  top: 20px; right: 20px;
  background: rgba(0,230,118,0.12);
  border: 1px solid rgba(0,230,118,0.3);
  color: var(--accent);
  font-size: 11px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 20px;
}
.featured-content { flex: 1; }
.featured-content h2 {
  font-size: clamp(18px, 2.5vw, 26px);
  font-weight: 700;
  color: var(--white);
  margin: 12px 0 10px;
  line-height: 1.3;
}
.featured-content p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 20px;
}
.featured-footer {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.featured-visual {
  width: 120px;
  height: 120px;
  background: rgba(0,230,118,0.08);
  border: 1px solid rgba(0,230,118,0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 52px;
  color: var(--accent);
  flex-shrink: 0;
  font-weight: 700;
}

/* ── POST META ─────────────────────────────────── */
.post-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}
.post-cat {
  background: rgba(0,230,118,0.1);
  border: 1px solid rgba(0,230,118,0.2);
  color: var(--accent);
  font-size: 11px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 20px;
}
.post-date, .post-read {
  font-size: 12px;
  color: var(--muted);
}
.post-date::before { content: '·'; margin-right: 10px; }

/* ── TAGS ──────────────────────────────────────── */
.post-tags, .article-tags { display: flex; gap: 6px; flex-wrap: wrap; }
.tag {
  background: var(--card2);
  border: 1px solid var(--border);
  color: var(--muted);
  font-size: 11px;
  padding: 3px 10px;
  border-radius: 6px;
}

/* ── READ MORE ─────────────────────────────────── */
.read-more {
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
}
.read-more-sm {
  color: var(--accent);
  font-size: 12px;
  font-weight: 600;
  margin-top: 8px;
  display: inline-block;
}

/* ── BLOG GRID ─────────────────────────────────── */
.blog-grid-section {
  padding: 48px 24px 64px;
  background: var(--bg2);
}
.section-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 28px;
}
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}
.post-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  text-decoration: none;
  color: inherit;
  display: flex;
  gap: 16px;
  transition: border-color 0.2s, transform 0.15s;
}
.post-card:hover {
  border-color: rgba(0,230,118,0.35);
  transform: translateY(-2px);
}
.post-card-icon {
  font-size: 32px;
  flex-shrink: 0;
  width: 52px;
  height: 52px;
  background: var(--card2);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.post-card-body { flex: 1; }
.post-card-body h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--white);
  margin: 6px 0 8px;
  line-height: 1.4;
}
.post-card-body p {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.6;
}

/* ── KEYWORDS SECTION ──────────────────────────── */
.blog-keywords-section {
  padding: 48px 24px;
  background: var(--bg);
}
.keywords-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
}
.keyword-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px 20px;
  transition: border-color 0.2s;
}
.keyword-card:hover { border-color: rgba(0,230,118,0.3); }
.kw-icon { font-size: 28px; display: block; margin-bottom: 12px; }
.keyword-card h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 8px;
}
.keyword-card p {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.6;
  margin-bottom: 14px;
}
.kw-link {
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
}
.kw-link:hover { text-decoration: underline; }

/* ── NEWSLETTER ────────────────────────────────── */
.blog-newsletter {
  padding: 48px 24px;
  background: var(--bg2);
}
.newsletter-box {
  background: linear-gradient(135deg, rgba(0,230,118,0.08), rgba(0,200,83,0.04));
  border: 1px solid rgba(0,230,118,0.2);
  border-radius: 20px;
  padding: 48px 40px;
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}
.newsletter-icon { font-size: 40px; margin-bottom: 16px; }
.newsletter-box h2 {
  font-size: 24px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 10px;
}
.newsletter-box p {
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 24px;
}
.newsletter-form {
  display: flex;
  gap: 10px;
  max-width: 420px;
  margin: 0 auto;
}
.newsletter-input {
  flex: 1;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 11px 16px;
  color: var(--text);
  font-size: 14px;
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s;
}
.newsletter-input:focus { border-color: var(--accent); }
.newsletter-note {
  font-size: 11px;
  color: var(--muted);
  margin-top: 12px;
}

/* ── BLOG FOOTER ───────────────────────────────── */
.blog-footer {
  background: var(--bg2);
  border-top: 1px solid var(--border);
  padding: 56px 24px 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-brand p {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
  margin: 8px 0 16px;
  max-width: 260px;
}
.footer-nets { display: flex; gap: 8px; flex-wrap: wrap; }
.footer-col h4 {
  font-size: 13px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 14px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.footer-col ul li a {
  color: var(--muted);
  text-decoration: none;
  font-size: 13px;
  transition: color 0.2s;
}
.footer-col ul li a:hover { color: var(--accent); }
.footer-keywords {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.footer-keywords a {
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--muted);
  font-size: 11px;
  padding: 4px 10px;
  border-radius: 6px;
  text-decoration: none;
  transition: all 0.2s;
}
.footer-keywords a:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  text-align: center;
  font-size: 13px;
  color: var(--muted);
}

/* ═══════════════════════════════════════════════
   ARTICLE PAGE
   ═══════════════════════════════════════════════ */
.article-wrap {
  padding: 32px 0 64px;
  background: var(--bg);
}
.article-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* BREADCRUMB */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 28px;
}
.breadcrumb a {
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s;
}
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb span { color: var(--border); }

/* LAYOUT */
.article-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 40px;
  align-items: start;
}

/* ARTICLE HEADER */
.article-header { margin-bottom: 32px; }
.article-header h1 {
  font-size: clamp(22px, 3.5vw, 36px);
  font-weight: 700;
  color: var(--white);
  line-height: 1.25;
  margin: 12px 0 14px;
}
.article-lead {
  font-size: 16px;
  color: var(--muted);
  line-height: 1.8;
  margin-bottom: 16px;
}

/* TOC */
.toc-box {
  background: var(--card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 10px;
  padding: 20px 24px;
  margin-bottom: 36px;
}
.toc-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 12px;
}
.toc-list {
  list-style: none;
  counter-reset: toc;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.toc-list li { counter-increment: toc; }
.toc-list a {
  color: var(--text);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.2s;
  display: flex;
  align-items: center;
  gap: 8px;
}
.toc-list a::before {
  content: counter(toc) ".";
  color: var(--accent);
  font-size: 12px;
  font-weight: 600;
  min-width: 18px;
}
.toc-list a:hover { color: var(--accent); }

/* ARTICLE SECTIONS */
.article-main section {
  margin-bottom: 40px;
}
.article-main h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}
.article-main h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--white);
  margin: 20px 0 10px;
}
.article-main h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 8px;
}
.article-main p {
  font-size: 15px;
  color: var(--text);
  line-height: 1.8;
  margin-bottom: 14px;
}
.article-main strong { color: var(--white); }

/* CALLOUTS */
.info-callout {
  display: flex;
  gap: 14px;
  background: rgba(0,230,118,0.06);
  border: 1px solid rgba(0,230,118,0.2);
  border-radius: 10px;
  padding: 16px 20px;
  margin: 20px 0;
  font-size: 14px;
  color: var(--text);
  line-height: 1.7;
}
.callout-icon { font-size: 20px; flex-shrink: 0; margin-top: 1px; }
.highlight-box {
  background: rgba(255,193,7,0.06);
  border: 1px solid rgba(255,193,7,0.25);
  border-radius: 10px;
  padding: 16px 20px;
  margin: 20px 0;
}
.highlight-box h4 { color: #ffc107; margin-bottom: 6px; }
.highlight-box p { font-size: 14px; color: var(--text); margin: 0; }

/* COMPARISON TABLE */
.comparison-table {
  overflow-x: auto;
  margin: 20px 0;
  border-radius: 10px;
  border: 1px solid var(--border);
}
.comparison-table table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.comparison-table th {
  background: var(--card2);
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}
.comparison-table td {
  padding: 12px 16px;
  color: var(--text);
  border-bottom: 1px solid var(--border);
}
.comparison-table tr:last-child td { border-bottom: none; }
.comparison-table tr.highlight-row td { background: rgba(0,230,118,0.04); }
.comparison-table tr:hover td { background: var(--card2); }
.badge-green {
  background: rgba(0,230,118,0.12);
  color: var(--accent);
  border: 1px solid rgba(0,230,118,0.3);
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 6px;
}
.badge-yellow {
  background: rgba(255,193,7,0.1);
  color: #ffc107;
  border: 1px solid rgba(255,193,7,0.3);
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 6px;
}
.badge-blue {
  background: rgba(33,150,243,0.1);
  color: #42a5f5;
  border: 1px solid rgba(33,150,243,0.3);
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 6px;
}

/* STEPS LIST */
.steps-list { display: flex; flex-direction: column; gap: 16px; margin: 20px 0; }
.step-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.step-item .step-num {
  width: 36px;
  height: 36px;
  background: rgba(0,230,118,0.12);
  border: 1px solid rgba(0,230,118,0.3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  color: var(--accent);
  flex-shrink: 0;
}
.step-content h4 { font-size: 15px; color: var(--white); margin-bottom: 4px; }
.step-content p { font-size: 14px; color: var(--muted); margin: 0; line-height: 1.6; }

/* ARTICLE LISTS */
.article-list {
  padding-left: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 16px 0;
}
.article-list li { font-size: 14px; color: var(--text); line-height: 1.7; }
.check-list { list-style: none; padding-left: 0; }
.check-list li::before { content: '✓ '; color: var(--accent); font-weight: 700; }

/* CTA BOX */
.cta-box {
  background: linear-gradient(135deg, rgba(0,230,118,0.08), rgba(0,200,83,0.04));
  border: 1px solid rgba(0,230,118,0.25);
  border-radius: 14px;
  padding: 24px 28px;
  margin: 28px 0;
}
.cta-box h4 { font-size: 17px; color: var(--white); margin-bottom: 6px; }
.cta-box p { font-size: 14px; color: var(--muted); margin: 0; }

/* CHOICE CARDS */
.choice-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
  margin: 20px 0;
}
.choice-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  position: relative;
}
.choice-card.choice-recommended {
  border-color: rgba(0,230,118,0.4);
  background: rgba(0,230,118,0.04);
}
.choice-badge {
  position: absolute;
  top: -10px;
  left: 16px;
  background: var(--accent);
  color: #000;
  font-size: 10px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 10px;
}
.choice-card h3 { font-size: 16px; color: var(--white); margin-bottom: 8px; }
.choice-card p { font-size: 13px; color: var(--muted); margin-bottom: 12px; }
.choice-card ul { list-style: none; display: flex; flex-direction: column; gap: 5px; }
.choice-card ul li { font-size: 12px; color: var(--text); }

/* RELATED POSTS */
.related-posts {
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}
.related-posts h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 16px;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px;
}
.related-card {
  display: flex;
  gap: 12px;
  align-items: center;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.2s;
}
.related-card:hover { border-color: rgba(0,230,118,0.3); }
.related-icon { font-size: 24px; flex-shrink: 0; }
.related-card div { display: flex; flex-direction: column; gap: 3px; }
.related-card strong { font-size: 13px; color: var(--white); }
.related-card span { font-size: 11px; color: var(--muted); }

/* SIDEBAR */
.article-sidebar { position: sticky; top: 80px; }
.sidebar-widget {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px;
  margin-bottom: 16px;
}
.sidebar-widget h4 {
  font-size: 13px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.sidebar-widget p { font-size: 13px; color: var(--muted); line-height: 1.6; }
.sidebar-posts { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.sidebar-posts li a {
  color: var(--muted);
  text-decoration: none;
  font-size: 13px;
  line-height: 1.5;
  transition: color 0.2s;
  display: block;
  padding: 4px 0;
  border-bottom: 1px solid var(--border);
}
.sidebar-posts li:last-child a { border-bottom: none; }
.sidebar-posts li a:hover { color: var(--accent); }
.sidebar-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.sidebar-tags a {
  background: var(--card2);
  border: 1px solid var(--border);
  color: var(--muted);
  font-size: 11px;
  padding: 4px 10px;
  border-radius: 6px;
  text-decoration: none;
  transition: all 0.2s;
}
.sidebar-tags a:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ═══════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════ */
@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  .article-layout { grid-template-columns: 1fr; }
  .article-sidebar { position: static; }
  .featured-card { flex-direction: column; gap: 24px; }
  .featured-visual { width: 80px; height: 80px; font-size: 36px; align-self: flex-start; }
}

@media (max-width: 600px) {
  .blog-hero { padding: 40px 16px 32px; }
  .blog-hero p { font-size: 14px; }
  .blog-featured, .blog-grid-section, .blog-keywords-section,
  .blog-newsletter, .blog-footer { padding-left: 16px; padding-right: 16px; }
  .blog-container { padding: 0 16px; }
  .featured-card { padding: 20px; }
  .featured-content h2 { font-size: 18px; }
  .blog-grid { grid-template-columns: 1fr; }
  .post-card { flex-direction: column; gap: 12px; }
  .post-card-icon { width: 44px; height: 44px; font-size: 24px; }
  .keywords-grid { grid-template-columns: 1fr 1fr; }
  .newsletter-box { padding: 28px 20px; }
  .newsletter-form { flex-direction: column; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .footer-brand p { max-width: 100%; }
  .article-wrap { padding: 20px 0 40px; }
  .article-container { padding: 0 16px; }
  .article-header h1 { font-size: 22px; }
  .article-lead { font-size: 14px; }
  .article-main h2 { font-size: 18px; }
  .article-main p { font-size: 14px; }
  .toc-box { padding: 16px; }
  .comparison-table { font-size: 12px; }
  .comparison-table th, .comparison-table td { padding: 10px 12px; }
  .choice-cards { grid-template-columns: 1fr; }
  .related-grid { grid-template-columns: 1fr; }
  .cta-box { padding: 20px; }
  .steps-list .step-item { gap: 12px; }
}