*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --indigo-900: #1a1645;
  --indigo-800: #26215C;
  --indigo-500: #534AB7;
  --indigo-400: #7F77DD;
  --indigo-200: #AFA9EC;
  --indigo-100: #CECBF6;
  --indigo-50:  #EEEDFE;
  --gold:       #FAC775;
  --text-dark:  #1a1645;
  --text-mid:   #4a4870;
  --text-body:  #333333;
  --text-light: #6e6c92;
  --border:     rgba(127,119,221,0.2);
  --serif: 'DM Serif Display', Georgia, serif;
  --sans:  'DM Sans', system-ui, sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-body);
  background: #fff;
  -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }

.blog-navbar {
  background: var(--indigo-900);
  padding: 14px 24px;
}

.blog-navbar-inner {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.blog-nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.blog-nav-brand img { width: 30px; height: 30px; }

.blog-nav-brand span {
  font-size: 14px;
  color: #fff;
  font-weight: 500;
}

.blog-nav-links {
  display: flex;
  align-items: center;
  gap: 20px;
}

.blog-nav-links a {
  font-size: 13px;
  color: var(--indigo-100);
  transition: color 0.2s;
}
.blog-nav-links a:hover { color: #fff; }
.blog-nav-links a.active { color: #fff; border-bottom: 1px solid var(--indigo-400); padding-bottom: 2px; }

.blog-nav-cta {
  background: var(--indigo-500);
  color: #fff !important;
  padding: 7px 16px;
  border-radius: 6px;
  transition: background 0.2s;
}
.blog-nav-cta:hover { background: var(--indigo-800); }

.blog-wrap {
  max-width: 760px;
  margin: 0 auto;
  padding: 48px 24px 72px;
}

.blog-label {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--indigo-500);
  margin-bottom: 8px;
}

.blog-title {
  font-family: var(--serif);
  font-size: clamp(26px, 4vw, 34px);
  line-height: 1.25;
  color: var(--indigo-800);
  margin-bottom: 10px;
}

.blog-sub {
  font-size: 15px;
  color: var(--text-mid);
  margin-bottom: 36px;
}

.post-card {
  display: block;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 22px 24px;
  margin-bottom: 14px;
  transition: box-shadow 0.2s, transform 0.15s;
}
.post-card:hover {
  box-shadow: 0 4px 20px rgba(83,74,183,0.1);
  transform: translateY(-2px);
}

.post-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}

.post-tag {
  background: var(--indigo-50);
  color: var(--indigo-500);
  font-size: 11px;
  font-weight: 500;
  padding: 3px 12px;
  border-radius: 14px;
}

.post-date {
  font-size: 12px;
  color: var(--text-light);
}

.post-card-title {
  font-family: var(--serif);
  font-size: 19px;
  line-height: 1.35;
  color: var(--indigo-800);
  margin-bottom: 8px;
}

.post-excerpt {
  font-size: 14px;
  color: var(--text-mid);
  line-height: 1.65;
}

.post-more {
  font-size: 13px;
  font-weight: 500;
  color: var(--indigo-500);
  margin-top: 12px;
  display: inline-block;
}

/* ── MAKALE ── */
.article-header { margin-bottom: 28px; }

.article-title {
  font-family: var(--serif);
  font-size: clamp(26px, 4vw, 36px);
  line-height: 1.25;
  color: var(--indigo-800);
  margin: 12px 0 0;
}

.article-body h2 {
  font-family: var(--serif);
  font-size: 23px;
  line-height: 1.3;
  color: var(--indigo-800);
  margin: 36px 0 14px;
}

.article-body p { margin-bottom: 16px; font-size: 16px; }

.article-body ul {
  margin: 0 0 16px 22px;
}

.article-body li { margin-bottom: 8px; font-size: 16px; }

.article-body strong { color: var(--indigo-900); }

.article-body em { color: var(--text-mid); }

.pdr-note {
  background: #f8f8fc;
  border-left: 3px solid var(--gold);
  border-radius: 0 10px 10px 0;
  padding: 16px 20px;
  margin: 24px 0;
  font-size: 14.5px;
  color: var(--text-mid);
  line-height: 1.7;
}
.pdr-note strong { color: var(--indigo-800); }

.article-cta {
  background: var(--indigo-800);
  border-radius: 14px;
  padding: 28px 24px;
  text-align: center;
  margin: 40px 0 28px;
}

.article-cta-title {
  font-family: var(--serif);
  font-size: 20px;
  color: #fff;
  margin-bottom: 8px;
}

.article-cta-sub {
  font-size: 13px;
  color: var(--indigo-200);
  margin-bottom: 18px;
}

.article-cta-btn {
  display: inline-block;
  background: var(--indigo-500);
  color: #fff;
  font-size: 14px;
  font-weight: 500;
  padding: 12px 26px;
  border-radius: 8px;
  transition: background 0.2s;
}
.article-cta-btn:hover { background: var(--indigo-400); }

.author-box {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

.author-avatar {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--indigo-800);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.author-avatar img { width: 26px; height: 26px; }

.author-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--indigo-800);
}

.author-role {
  font-size: 12px;
  color: var(--text-light);
}

.back-link {
  display: inline-block;
  font-size: 13px;
  color: var(--indigo-500);
  margin-bottom: 20px;
}
.back-link:hover { color: var(--indigo-800); }

@media (max-width: 600px) {
  .blog-wrap { padding: 32px 20px 56px; }
  .blog-nav-links { gap: 14px; }
  .blog-nav-links a { font-size: 12px; }
  .post-card { padding: 18px; }
}