/* ── EasyAiFlows Blog Styles ── */
:root {
  --navy: #1B3A6B;
  --navy-dark: #0F2344;
  --cyan: #00BCD4;
  --cyan-light: #E0F7FA;
  --gray-50: #F8FAFC;
  --gray-100: #F1F5F9;
  --gray-200: #E2E8F0;
  --gray-400: #94A3B8;
  --gray-600: #475569;
  --gray-800: #1E293B;
  --white: #FFFFFF;
  --green: #10B981;
  --orange: #F59E0B;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--gray-800);
  line-height: 1.7;
  background: var(--white);
}

/* ── Nav ── */
nav {
  background: var(--navy-dark);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
}
nav .container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  color: var(--white);
  font-weight: 700;
  font-size: 1.2rem;
}
.nav-logo img { height: 32px; }
.nav-links { display: flex; align-items: center; gap: 1.5rem; }
.nav-links a {
  color: rgba(255,255,255,0.85);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--cyan); }
.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--white);
  font-size: 1.5rem;
  cursor: pointer;
}
.btn {
  display: inline-block;
  padding: 0.6rem 1.5rem;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s;
  cursor: pointer;
  border: none;
}
.btn-primary { background: var(--cyan); color: var(--white); }
.btn-primary:hover { background: #0097A7; transform: translateY(-2px); box-shadow: 0 8px 25px rgba(0,188,212,0.3); }
.btn-outline { border: 2px solid var(--cyan); color: var(--cyan); background: transparent; }
.btn-outline:hover { background: var(--cyan); color: var(--white); }

/* ── Container ── */
.container { max-width: 1140px; margin: 0 auto; padding: 0 1.5rem; }

/* ── Blog Index ── */
.blog-hero {
  background: linear-gradient(135deg, var(--navy-dark), var(--navy));
  color: var(--white);
  padding: 4rem 0 3rem;
  text-align: center;
}
.blog-hero h1 { font-size: 2.8rem; font-weight: 800; margin-bottom: 1rem; }
.blog-hero p { color: rgba(255,255,255,0.8); font-size: 1.2rem; max-width: 600px; margin: 0 auto; }

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 2rem;
  padding: 3rem 0 4rem;
}
.blog-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 12px;
  padding: 2rem;
  transition: transform 0.2s, box-shadow 0.2s;
  text-decoration: none;
  color: inherit;
  display: block;
}
.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.08);
}
.blog-card .tag {
  display: inline-block;
  background: var(--cyan-light);
  color: var(--navy);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  margin-bottom: 1rem;
}
.blog-card h2 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--navy);
  line-height: 1.3;
}
.blog-card p { font-size: 0.95rem; color: var(--gray-600); margin-bottom: 1rem; }
.blog-card .read-more {
  color: var(--cyan);
  font-weight: 600;
  font-size: 0.9rem;
}

/* ── Article Layout ── */
.article-header {
  background: linear-gradient(135deg, var(--navy-dark), var(--navy));
  color: var(--white);
  padding: 4rem 0 3rem;
}
.article-header .container { max-width: 780px; }
.article-header .tag {
  display: inline-block;
  background: rgba(0,188,212,0.2);
  color: var(--cyan);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  margin-bottom: 1rem;
}
.article-header h1 {
  font-size: 2.4rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 1rem;
}
.article-meta {
  color: rgba(255,255,255,0.7);
  font-size: 0.9rem;
}

.article-body {
  max-width: 780px;
  margin: 0 auto;
  padding: 3rem 1.5rem 4rem;
}
.article-body h2 {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--navy);
  margin: 2.5rem 0 1rem;
}
.article-body h3 {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--navy);
  margin: 2rem 0 0.75rem;
}
.article-body p {
  font-size: 1.05rem;
  color: var(--gray-600);
  margin-bottom: 1.25rem;
}
.article-body ul, .article-body ol {
  margin: 0 0 1.25rem 1.5rem;
  color: var(--gray-600);
}
.article-body li { margin-bottom: 0.5rem; font-size: 1.05rem; }
.article-body strong { color: var(--gray-800); }

/* ── Comparison Table ── */
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0 2rem;
  font-size: 0.95rem;
}
.comparison-table th {
  background: var(--navy);
  color: var(--white);
  padding: 0.75rem 1rem;
  text-align: left;
  font-weight: 600;
}
.comparison-table td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--gray-200);
  color: var(--gray-600);
}
.comparison-table tr:nth-child(even) { background: var(--gray-50); }

/* ── Key Takeaway Box ── */
.takeaway-box {
  background: var(--cyan-light);
  border-left: 4px solid var(--cyan);
  border-radius: 0 8px 8px 0;
  padding: 1.25rem 1.5rem;
  margin: 2rem 0;
}
.takeaway-box p { color: var(--navy); margin: 0; font-weight: 500; }

/* ── CTA Box ── */
.article-cta {
  background: linear-gradient(135deg, var(--navy-dark), var(--navy));
  border-radius: 12px;
  padding: 2.5rem;
  text-align: center;
  margin: 3rem 0 2rem;
}
.article-cta h3 { color: var(--white); font-size: 1.4rem; margin-bottom: 0.5rem; }
.article-cta p { color: rgba(255,255,255,0.8); margin-bottom: 1.25rem; }
.article-cta .btn-primary { padding: 0.8rem 2rem; font-size: 1rem; }

/* ── FAQ Section ── */
.faq-section { margin: 3rem 0 2rem; }
.faq-section h2 { margin-bottom: 1.5rem; }
.faq-item {
  border: 1px solid var(--gray-200);
  border-radius: 8px;
  margin-bottom: 0.75rem;
  overflow: hidden;
}
.faq-question {
  width: 100%;
  background: var(--gray-50);
  border: none;
  padding: 1rem 1.25rem;
  text-align: left;
  font-size: 1rem;
  font-weight: 600;
  color: var(--navy);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: inherit;
}
.faq-question::after { content: '+'; font-size: 1.3rem; color: var(--cyan); transition: transform 0.2s; }
.faq-question.active::after { content: '−'; }
.faq-answer {
  display: none;
  padding: 0 1.25rem 1rem;
  font-size: 0.95rem;
  color: var(--gray-600);
  line-height: 1.6;
}
.faq-answer.active { display: block; }

/* ── Footer ── */
footer {
  background: var(--navy-dark);
  color: rgba(255,255,255,0.6);
  text-align: center;
  padding: 2rem 0;
  font-size: 0.85rem;
}
footer a { color: var(--cyan); text-decoration: none; }

/* ── Responsive ── */
@media (max-width: 768px) {
  .nav-toggle { display: block; }
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--navy-dark);
    flex-direction: column;
    padding: 1rem 1.5rem;
    gap: 1rem;
  }
  .nav-links.active { display: flex; }
  .blog-hero h1 { font-size: 2rem; }
  .blog-grid { grid-template-columns: 1fr; }
  .article-header h1 { font-size: 1.8rem; }
  .article-body { padding: 2rem 1rem 3rem; }
}