:root {
  --amazon-dark: #131A22;
  --amazon-navbar: #232F3E;
  --amazon-orange: #FF9900;
  --amazon-orange-hover: #E88B00;
  --text: #0F1B2D;
  --text-muted: #5A6578;
  --bg-light: #F7F8FA;
  --border: #E5E7EB;
  --success: #10B981;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', -apple-system, system-ui, sans-serif;
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  background: white;
}
a { color: var(--amazon-orange); text-decoration: none; }
a:hover { text-decoration: underline; }
.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }

/* NAV */
.nav { background: var(--amazon-dark); padding: 16px 0; border-bottom: 1px solid rgba(255,255,255,0.05); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; }
.logo { color: white; font-weight: 800; font-size: 20px; letter-spacing: -0.5px; }
.logo span { color: var(--amazon-orange); }
.nav-links { display: flex; gap: 22px; align-items: center; }
.nav-links a { color: #C5CBD4; font-size: 14px; font-weight: 500; text-decoration: none; }
.nav-links a:hover { color: white; }
.nav-cta { background: var(--amazon-orange); color: var(--amazon-dark) !important; padding: 9px 18px; border-radius: 6px; font-weight: 700 !important; }

/* BREADCRUMB */
.breadcrumb {
  font-size: 13px;
  color: var(--text-muted);
  padding: 16px 0;
  background: var(--bg-light);
  border-bottom: 1px solid var(--border);
}
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--amazon-orange); }

/* ARTICLE */
.article-header {
  padding: 60px 0 40px;
  text-align: center;
  border-bottom: 1px solid var(--border);
}
.article-header .eyebrow {
  display: inline-block;
  background: rgba(255,153,0,0.12);
  color: #B45309;
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.article-header h1 {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -1px;
  max-width: 800px;
  margin: 0 auto 16px;
}
.article-header h1 span { color: var(--amazon-orange); }
.article-meta {
  font-size: 14px;
  color: var(--text-muted);
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

/* ARTICLE BODY */
.article-body {
  max-width: 760px;
  margin: 0 auto;
  padding: 48px 24px 60px;
}
.article-body h2 {
  font-size: 26px;
  font-weight: 800;
  margin: 48px 0 16px;
  letter-spacing: -0.3px;
  color: var(--text);
}
.article-body h3 {
  font-size: 20px;
  font-weight: 700;
  margin: 36px 0 12px;
  color: var(--text);
}
.article-body p {
  font-size: 16px;
  margin-bottom: 18px;
  color: #374151;
}
.article-body ul, .article-body ol {
  margin: 0 0 20px 24px;
  font-size: 16px;
  color: #374151;
}
.article-body li { margin-bottom: 8px; }
.article-body strong { color: var(--text); }

.article-body blockquote {
  border-left: 4px solid var(--amazon-orange);
  background: var(--bg-light);
  padding: 20px 24px;
  margin: 28px 0;
  border-radius: 0 8px 8px 0;
  font-size: 15px;
  color: var(--text-muted);
  font-style: italic;
}

.article-body .callout {
  background: rgba(255,153,0,0.08);
  border: 1px solid rgba(255,153,0,0.25);
  border-radius: 10px;
  padding: 24px 28px;
  margin: 32px 0;
}
.article-body .callout h4 {
  font-size: 15px;
  font-weight: 800;
  color: #92400E;
  margin-bottom: 8px;
}
.article-body .callout p { font-size: 14px; color: #78350F; margin-bottom: 0; }

.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 14px;
}
.article-body th {
  background: var(--amazon-dark);
  color: white;
  padding: 12px 16px;
  text-align: left;
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.3px;
}
.article-body td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  color: #374151;
}
.article-body tr:nth-child(even) td { background: var(--bg-light); }

.article-body .step {
  display: flex;
  gap: 20px;
  margin: 28px 0;
  align-items: flex-start;
}
.article-body .step-num {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  background: var(--amazon-orange);
  color: var(--amazon-dark);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 16px;
}
.article-body .step-content h4 {
  font-size: 17px;
  font-weight: 800;
  margin-bottom: 6px;
}
.article-body .step-content p { font-size: 15px; margin-bottom: 0; }

/* CTA BAND */
.cta-band {
  background: var(--amazon-dark);
  color: white;
  text-align: center;
  padding: 70px 24px;
}
.cta-band h2 { color: white; font-size: 30px; font-weight: 900; margin-bottom: 16px; }
.cta-band p { color: #C5CBD4; max-width: 640px; margin: 0 auto 28px; font-size: 17px; }
.btn-primary {
  display: inline-block;
  background: var(--amazon-orange);
  color: var(--amazon-dark);
  padding: 16px 36px;
  border-radius: 8px;
  font-weight: 800;
  font-size: 16px;
  text-decoration: none;
  transition: all 0.2s;
}
.btn-primary:hover { background: var(--amazon-orange-hover); transform: translateY(-2px); text-decoration: none; }

/* RELATED POSTS */
.related {
  padding: 60px 0;
  background: var(--bg-light);
}
.related h3 { font-size: 22px; font-weight: 800; text-align: center; margin-bottom: 32px; }
.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
  max-width: 960px;
  margin: 0 auto;
}
.related-card {
  background: white;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px 24px;
  text-decoration: none;
  transition: all 0.2s;
  display: block;
}
.related-card:hover {
  border-color: var(--amazon-orange);
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.06);
  text-decoration: none;
}
.related-card .tag { font-size: 11px; font-weight: 700; color: var(--amazon-orange); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 8px; }
.related-card h4 { font-size: 17px; font-weight: 800; color: var(--text); margin-bottom: 8px; }
.related-card p { font-size: 14px; color: var(--text-muted); margin: 0; }

/* BLOG HUB */
.blog-hero {
  background: linear-gradient(180deg, var(--amazon-dark) 0%, var(--amazon-navbar) 100%);
  color: white;
  padding: 70px 0 60px;
  text-align: center;
}
.blog-hero h1 {
  font-size: clamp(32px, 5vw, 48px);
  font-weight: 900;
  letter-spacing: -1px;
  margin-bottom: 16px;
}
.blog-hero h1 span { color: var(--amazon-orange); }
.blog-hero p { font-size: 18px; color: #C5CBD4; max-width: 640px; margin: 0 auto; }

.post-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 28px;
  padding: 50px 0 70px;
}
.post-card {
  background: white;
  border: 1.5px solid var(--border);
  border-radius: 14px;
  padding: 32px 28px;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  transition: all 0.2s;
}
.post-card:hover {
  border-color: var(--amazon-orange);
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.07);
  text-decoration: none;
}
.post-card .tag { font-size: 11px; font-weight: 700; color: var(--amazon-orange); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 10px; }
.post-card h2 { font-size: 20px; font-weight: 800; color: var(--text); margin-bottom: 10px; line-height: 1.3; }
.post-card p { font-size: 14px; color: var(--text-muted); flex: 1; }
.post-card .read-more { font-size: 14px; font-weight: 700; color: var(--amazon-orange); margin-top: 16px; }

/* FOOTER */
.footer {
  background: var(--amazon-dark);
  color: #8B95A7;
  padding: 40px 24px;
  text-align: center;
  font-size: 13px;
}
.footer a { color: var(--amazon-orange); }
.footer p { margin-bottom: 8px; }

@media (max-width: 760px) {
  .article-body .step { flex-direction: column; }
  .nav-links a:not(.nav-cta) { display: none; }
  .post-grid { grid-template-columns: 1fr; }
}