/* ============================================================
   ADOPS DIGEST — Blog theme
   ============================================================ */

:root {
  --bg: #ffffff;
  --bg-alt: #f6f7f9;
  --bg-dark: #0e1420;
  --ink: #14181f;
  --ink-soft: #3a414d;
  --muted: #6b7280;
  --border: #e6e8ec;
  --accent: #2454ff;
  --accent-dark: #173bb8;
  --accent-soft: #eaf0ff;
  --amber: #b3720a;
  --amber-bg: #fff7e8;
  --amber-border: #f1dfb3;
  --green: #0f7a52;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-serif: "Source Serif 4", Georgia, "Times New Roman", serif;
  --container: 1120px;
  --radius: 10px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Top utility bar ---------- */
.top-bar {
  background: var(--bg-dark);
  color: #cfd6e4;
  font-size: 0.82rem;
}
.top-bar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 8px;
  padding-bottom: 8px;
  gap: 12px;
}
.top-bar strong { color: #fff; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.35rem;
  color: var(--ink);
}
.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), #4f7dff);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-family: var(--font-body);
  font-weight: 800;
  font-size: 0.95rem;
}
.brand-tag {
  display: block;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}
.main-nav a {
  font-size: 0.94rem;
  font-weight: 600;
  color: var(--ink-soft);
  transition: color 0.15s ease;
}
.main-nav a:hover { color: var(--accent); }

.header-cta .btn { padding: 10px 18px; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 24px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 6px 16px rgba(36,84,255,0.28);
}
.btn-primary:hover { background: var(--accent-dark); }
.btn-outline {
  background: transparent;
  border-color: var(--border);
  color: var(--ink);
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }
.btn-lg { padding: 15px 30px; font-size: 1rem; }
.btn-block { width: 100%; }
.btn-arrow { transition: transform 0.15s ease; }
.btn:hover .btn-arrow { transform: translateX(3px); }

/* ---------- Hero (index) ---------- */
.blog-hero {
  padding: 64px 0 48px;
  background: linear-gradient(180deg, var(--bg-alt), var(--bg));
  border-bottom: 1px solid var(--border);
}
.blog-hero .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 20px;
}
.blog-hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 2.9rem);
  line-height: 1.15;
  margin: 0 0 18px;
  max-width: 780px;
}
.blog-hero p.lede {
  font-size: 1.12rem;
  color: var(--ink-soft);
  max-width: 620px;
  margin: 0 0 28px;
}
.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
  margin-top: 36px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
}
.hero-stats div strong {
  display: block;
  font-family: var(--font-serif);
  font-size: 1.6rem;
  color: var(--ink);
}
.hero-stats div span {
  font-size: 0.85rem;
  color: var(--muted);
}

/* ---------- Section headings ---------- */
.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin: 0 0 28px;
  gap: 16px;
  flex-wrap: wrap;
}
.section-head h2 {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  margin: 0;
}
.section-head .see-all {
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--accent);
}

/* ---------- Article cards ---------- */
.post-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 28px;
  padding: 56px 0;
}
.post-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
  display: flex;
  flex-direction: column;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}
.post-card:hover {
  box-shadow: 0 14px 30px rgba(20,24,31,0.08);
  transform: translateY(-3px);
}
.post-card-media {
  height: 150px;
  background: linear-gradient(135deg, #101a33, #223466);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-family: var(--font-serif);
  font-size: 0.95rem;
  padding: 20px;
  text-align: center;
}
.post-card-body { padding: 22px 22px 26px; display: flex; flex-direction: column; flex: 1; }
.post-card .cat {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 10px;
}
.post-card h3 {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  margin: 0 0 10px;
  line-height: 1.35;
}
.post-card p {
  color: var(--muted);
  font-size: 0.92rem;
  margin: 0 0 18px;
  flex: 1;
}
.post-card .meta {
  font-size: 0.8rem;
  color: var(--muted);
  display: flex;
  gap: 10px;
  align-items: center;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}
.post-card.featured {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
}
.post-card.featured .post-card-media { height: 100%; }
.post-card.featured .post-card-body { justify-content: center; padding: 34px; }
.post-card.featured h3 { font-size: 1.6rem; }

/* ---------- About / trust strip ---------- */
.trust-strip {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg-alt);
  padding: 44px 0;
}
.trust-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}
.trust-item h4 {
  margin: 0 0 8px;
  font-size: 1rem;
  display: flex;
  align-items: center;
  gap: 8px;
}
.trust-item p { margin: 0; color: var(--muted); font-size: 0.9rem; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--bg-dark);
  color: #a9b1c3;
  padding: 48px 0 28px;
  margin-top: 40px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-grid h5 {
  color: #fff;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin: 0 0 14px;
}
.footer-grid a, .footer-grid p { color: #a9b1c3; font-size: 0.9rem; }
.footer-grid ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.footer-grid ul a:hover { color: #fff; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 22px;
  font-size: 0.8rem;
  color: #7580949c;
}
.footer-disclaimer {
  font-size: 0.78rem;
  color: #7d879c;
  max-width: 900px;
  margin-top: 10px;
  line-height: 1.6;
}

/* ============================================================
   ARTICLE PAGE
   ============================================================ */

.article-hero {
  padding: 44px 0 32px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-alt);
}
.breadcrumb {
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 18px;
}
.breadcrumb a { color: var(--accent); font-weight: 600; }
.article-hero .cat-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 5px 12px;
  border-radius: 999px;
  margin-bottom: 16px;
}
.article-hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(1.9rem, 4vw, 2.6rem);
  line-height: 1.2;
  margin: 0 0 14px;
}
.article-hero .dek {
  font-size: 1.1rem;
  color: var(--ink-soft);
  margin: 0 0 24px;
  max-width: 760px;
}
.byline {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.88rem;
  color: var(--muted);
}
.byline .avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), #4f7dff);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  flex-shrink: 0;
}
.byline strong { color: var(--ink); }
.byline .dot { margin: 0 4px; }

.article-layout {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 48px;
  padding: 44px 0 80px;
  align-items: start;
}
.toc {
  position: sticky;
  top: 90px;
  border-left: 2px solid var(--border);
  padding-left: 18px;
}
.toc-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 12px;
}
.toc ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.toc a {
  font-size: 0.86rem;
  color: var(--ink-soft);
  line-height: 1.4;
  display: block;
}
.toc a:hover, .toc a.active { color: var(--accent); font-weight: 600; }

.article-body { max-width: 760px; }
.article-body h2 {
  font-family: var(--font-serif);
  font-size: 1.55rem;
  margin: 44px 0 16px;
  scroll-margin-top: 90px;
}
.article-body h3 {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  margin: 30px 0 10px;
  scroll-margin-top: 90px;
}
.article-body p { margin: 0 0 16px; color: var(--ink-soft); font-size: 1.02rem; }
.article-body ul, .article-body ol { margin: 0 0 16px; padding-left: 22px; color: var(--ink-soft); }
.article-body li { margin-bottom: 8px; }
.article-body strong { color: var(--ink); }
.lead-para {
  font-size: 1.15rem;
  color: var(--ink-soft);
}

.method-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 24px;
  margin: 0 0 20px;
  background: #fff;
}
.method-card h3 { margin-top: 0; display: flex; align-items: center; gap: 10px; }
.method-card .num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent-dark);
  font-size: 0.8rem;
  font-weight: 800;
  flex-shrink: 0;
}
.method-card .how { font-size: 0.95rem; color: var(--ink-soft); margin-bottom: 14px; }
.pros-cons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.pros-cons h4 {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin: 0 0 8px;
}
.pros-cons .pros h4 { color: var(--green); }
.pros-cons .cons h4 { color: #c0392b; }
.pros-cons ul { margin: 0; padding-left: 18px; font-size: 0.9rem; }
.pros-cons li { margin-bottom: 6px; }

.detect-card {
  border-left: 3px solid var(--accent);
  background: var(--bg-alt);
  border-radius: 0 8px 8px 0;
  padding: 16px 20px;
  margin: 0 0 16px;
}
.detect-card h3 { margin: 0 0 8px; font-size: 1.05rem; }
.detect-card p { margin: 0 0 8px; font-size: 0.95rem; }
.detect-card .counters {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--accent-dark);
}

.table-wrap {
  overflow-x: auto;
  margin: 0 0 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
table.compare {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
  min-width: 560px;
}
table.compare th, table.compare td {
  padding: 13px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}
table.compare thead th {
  background: var(--bg-alt);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
}
table.compare tbody tr:last-child td { border-bottom: none; }
table.compare td strong { color: var(--ink); }

.callout {
  border: 1px solid var(--amber-border);
  background: var(--amber-bg);
  border-radius: var(--radius);
  padding: 20px 22px;
  margin: 24px 0;
}
.callout h4 {
  margin: 0 0 8px;
  color: var(--amber);
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.95rem;
}
.callout p { margin: 0; color: #6b5116; font-size: 0.94rem; }

.takeaways {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 26px;
  margin: 24px 0 32px;
}
.takeaways h4 {
  margin: 0 0 14px;
  font-family: var(--font-serif);
  font-size: 1.1rem;
}
.takeaways ul { margin: 0; padding-left: 20px; }
.takeaways li { margin-bottom: 10px; font-size: 0.95rem; color: var(--ink-soft); }

/* ---------- CTA blocks ---------- */
.cta-box {
  border-radius: 14px;
  padding: 30px 32px;
  margin: 34px 0;
  background: linear-gradient(135deg, #10193a, #1c2c5c);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.cta-box .cta-copy h4 {
  margin: 0 0 8px;
  font-family: var(--font-serif);
  font-size: 1.25rem;
}
.cta-box .cta-copy p {
  margin: 0;
  color: #c4cdea;
  font-size: 0.94rem;
  max-width: 480px;
}
.cta-box .btn-primary {
  background: #fff;
  color: var(--accent-dark);
  box-shadow: none;
  flex-shrink: 0;
}
.cta-box .btn-primary:hover { background: #eef2ff; }

.cta-inline {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  border: 1px dashed var(--accent);
  border-radius: 8px;
  background: var(--accent-soft);
  margin: 22px 0;
  font-size: 0.94rem;
  font-weight: 600;
  color: var(--accent-dark);
}

.cta-final {
  text-align: center;
  padding: 64px 24px;
  background: linear-gradient(135deg, #0c1330, #1c2c5c);
  color: #fff;
  border-radius: 16px;
  margin: 48px 0 8px;
}
.cta-final h3 {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  margin: 0 0 12px;
}
.cta-final p {
  color: #c4cdea;
  max-width: 560px;
  margin: 0 auto 26px;
}

.share-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 24px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin: 40px 0;
  font-size: 0.88rem;
  color: var(--muted);
}
.tag-pill {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--ink-soft);
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 5px 12px;
}

.author-box {
  display: flex;
  gap: 16px;
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-alt);
  margin-bottom: 40px;
}
.author-box .avatar { width: 52px; height: 52px; font-size: 1.1rem; }
.author-box h5 { margin: 0 0 4px; }
.author-box p { margin: 0; font-size: 0.9rem; color: var(--muted); }

/* ---------- Reading progress ---------- */
.reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: var(--accent);
  z-index: 100;
  width: 0%;
  transition: width 0.1s ease;
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .article-layout { grid-template-columns: 1fr; }
  .toc { position: static; border-left: none; padding-left: 0; border-top: 1px solid var(--border); padding-top: 16px; }
  .toc ul { flex-direction: row; flex-wrap: wrap; gap: 14px; }
  .post-card.featured { grid-template-columns: 1fr; }
  .post-card.featured .post-card-media { height: 160px; }
  .footer-grid { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .main-nav { display: none; }
  .nav-toggle { display: flex; }
  .pros-cons { grid-template-columns: 1fr; }
  .cta-box { flex-direction: column; align-items: flex-start; text-align: left; }
  .cta-box .btn { width: 100%; }
}