:root {
  --primary: #1f6f8b;
  --accent: #e0a800;
  --text: #1a1a1a;
  --text-secondary: #555;
  --bg: #fafafa;
  --surface: #ffffff;
  --border: #e5e5e5;
  --radius: 12px;
  --max-width: 920px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1.25rem 1.5rem;
}
.site-header .logo {
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text);
}
.site-header nav a {
  margin-left: 1.5rem;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

main { max-width: var(--max-width); margin: 0 auto; padding: 0 1.5rem; }

.hero {
  text-align: center;
  padding: 3rem 0 4rem;
}
.hero h1 {
  font-size: 2.5rem;
  line-height: 1.2;
  margin: 0 0 1rem;
  letter-spacing: -0.5px;
}
.hero .lead {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 620px;
  margin: 0 auto 2rem;
}

.cta-row { display: flex; gap: 0.75rem; justify-content: center; flex-wrap: wrap; margin-bottom: 1rem; }
.btn {
  display: inline-block;
  padding: 0.85rem 1.75rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 1rem;
  transition: transform 0.1s, box-shadow 0.2s;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary { background: var(--primary); color: white; }
.btn-secondary { background: white; color: var(--primary); border: 1px solid var(--border); }
.hero-meta { color: var(--text-secondary); font-size: 0.9rem; }

.features { padding: 2rem 0; }
.grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.875rem;
}
.feature {
  background: var(--surface);
  padding: 1.25rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}
.feature h3 { margin: 0 0 0.5rem; font-size: 1rem; }
.feature p { margin: 0; color: var(--text-secondary); font-size: 0.9rem; line-height: 1.45; }

/* Reflow on tablet -> 2 columns, then 1 column on phone */
@media (max-width: 820px) { .grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 460px) { .grid { grid-template-columns: 1fr; } }

/* Authenticity strip below the hero */
.authenticity-strip {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.875rem 1.25rem;
  margin: 0 0 2rem;
  font-size: 0.95rem;
  color: var(--text-secondary);
  text-align: center;
}
.authenticity-strip strong { color: var(--text); }
.authenticity-strip .icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--primary);
  color: white;
  font-size: 0.8rem;
  font-weight: 700;
  flex-shrink: 0;
}
@media (max-width: 600px) {
  .authenticity-strip { flex-direction: column; gap: 0.5rem; padding: 1rem; }
}

.latest-posts { padding: 3rem 0 2rem; }
.latest-posts h2 { font-size: 1.5rem; margin: 0 0 1.5rem; }

/* SEO prose section near the bottom of the homepage */
.seo-prose {
  padding: 2rem 0 3rem;
  max-width: 720px;
  margin: 0 auto;
}
.seo-prose h2 { font-size: 1.4rem; margin: 1.5rem 0 0.75rem; color: var(--text); }
.seo-prose h2:first-child { margin-top: 0; }
.seo-prose p { color: var(--text-secondary); margin: 0 0 1rem; line-height: 1.7; }
.seo-prose ul { padding-left: 1.5rem; margin: 0 0 1rem; color: var(--text-secondary); }
.seo-prose li { margin-bottom: 0.4rem; line-height: 1.6; }
.seo-prose strong { color: var(--text); font-weight: 600; }
.post-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.post-list li { border-bottom: 1px solid var(--border); }
.post-list li:last-child { border-bottom: none; }
.post-list a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
  color: var(--text);
  gap: 1rem;
}
.post-list a:hover { text-decoration: none; }
.post-list a:hover .post-title { color: var(--primary); }
.post-title { font-weight: 500; }
.post-meta { color: var(--text-secondary); font-size: 0.9rem; flex-shrink: 0; }

.download {
  text-align: center;
  padding: 3rem 0;
  background: linear-gradient(180deg, var(--surface) 0%, var(--bg) 100%);
  border-radius: var(--radius);
  margin: 2rem 0 4rem;
}
.download h2 { margin: 0 0 0.5rem; }
.download p { color: var(--text-secondary); margin: 0 0 1.5rem; }
.store-badges { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }
.store-badge img { height: 56px; width: auto; display: block; }

.site-footer {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2rem 1.5rem 3rem;
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.9rem;
  border-top: 1px solid var(--border);
}
.site-footer p { margin: 0.5rem 0; }
.footer-nav { margin-top: 1rem; }
.footer-nav a { margin: 0 0.75rem; color: var(--text-secondary); }

/* Article pages */
article.post {
  max-width: 720px;
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}
article.post h1 {
  font-size: 2.25rem;
  line-height: 1.2;
  margin: 0 0 0.5rem;
  letter-spacing: -0.5px;
}
article.post .post-byline {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin: 0 0 2rem;
}
article.post h2 { font-size: 1.5rem; margin: 2rem 0 0.75rem; }
article.post h3 { font-size: 1.15rem; margin: 1.5rem 0 0.5rem; }
article.post p { margin: 0 0 1rem; }
article.post ul, article.post ol { padding-left: 1.5rem; margin: 0 0 1rem; }
article.post li { margin-bottom: 0.4rem; }
article.post blockquote {
  border-left: 3px solid var(--primary);
  margin: 1.5rem 0;
  padding: 0.5rem 1rem;
  color: var(--text-secondary);
  background: var(--surface);
}
article.post .cta-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin: 2rem 0;
  text-align: center;
}
article.post .cta-box p { margin: 0 0 1rem; font-weight: 500; }

/* Related articles block at the foot of each post */
article.post .related-articles {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}
article.post .related-articles h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin: 0 0 0.75rem;
}
article.post .related-articles ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
article.post .related-articles li {
  margin-bottom: 0.5rem;
}
article.post .related-articles a {
  color: var(--primary);
  font-weight: 500;
}

@media (max-width: 600px) {
  .hero { padding: 2rem 0 3rem; }
  .hero h1 { font-size: 1.85rem; }
  .hero .lead { font-size: 1rem; }
  article.post h1 { font-size: 1.65rem; }
}