/* ===== BLOG STYLES — extends styles.css ===== */
/* Uses the same CSS variables as the main site */

:root {
  --primary: #7c3aed;
  --primary-2: #6d28d9;
  --accent: #f59e0b;
  --cyan: #06b6d4;
  --dark: #0a0a0f;
  --dark-2: #111118;
  --dark-3: #1a1a2e;
  --glass: rgba(255,255,255,0.04);
  --glass-border: rgba(255,255,255,0.08);
  --text: #f1f0f8;
  --text-muted: #8b8aa0;
  --radius: 20px;
  --radius-sm: 12px;
  --transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
  background: var(--dark);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

::selection { background: rgba(124,58,237,0.4); color: #fff; }

/* ===== NOISE ===== */
body::before {
  content: '';
  position: fixed; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none; z-index: 1; opacity: 0.4;
}

/* ===== NAVBAR ===== */
.blog-nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 16px 0;
  background: rgba(10,10,15,0.85);
  backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--glass-border);
}

.blog-nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  max-width: 1280px; margin: 0 auto; padding: 0 32px;
}

.blog-logo {
  font-size: 1.4rem; font-weight: 800; letter-spacing: -0.03em;
  background: linear-gradient(135deg, #fff, var(--primary));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text; text-decoration: none;
}

.blog-nav-links {
  display: flex; align-items: center; gap: 4px; list-style: none;
}

.blog-nav-links a {
  font-size: 0.88rem; font-weight: 500; color: var(--text-muted);
  padding: 8px 16px; border-radius: 100px; text-decoration: none;
  transition: var(--transition);
}

.blog-nav-links a:hover { color: #fff; background: var(--glass); }
.blog-nav-links a.active { color: #fff; }

.blog-nav-cta {
  background: linear-gradient(135deg, var(--primary), #9333ea) !important;
  color: #fff !important;
  padding: 9px 20px !important;
  border-radius: 100px !important;
  font-weight: 600 !important;
  box-shadow: 0 4px 16px rgba(124,58,237,0.35);
}

/* ===== BLOG CONTAINER ===== */
.blog-container {
  max-width: 1280px; margin: 0 auto; padding: 0 32px;
}

.blog-container-narrow {
  max-width: 780px; margin: 0 auto; padding: 0 32px;
}

/* ===== BLOG INDEX HERO ===== */
.blog-index-hero {
  padding: 160px 0 80px;
  position: relative; overflow: hidden;
}

.blog-index-hero::before {
  content: '';
  position: absolute; top: -200px; right: -100px;
  width: 600px; height: 600px;
  background: rgba(124,58,237,0.12); border-radius: 50%;
  filter: blur(120px); pointer-events: none;
}

.blog-index-hero::after {
  content: '';
  position: absolute; bottom: -100px; left: -50px;
  width: 400px; height: 400px;
  background: rgba(6,182,212,0.08); border-radius: 50%;
  filter: blur(100px); pointer-events: none;
}

.blog-eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  background: var(--glass); border: 1px solid var(--glass-border);
  padding: 8px 18px; border-radius: 100px;
  font-size: 0.75rem; font-weight: 700; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--primary); margin-bottom: 24px;
}

.blog-index-title {
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800; letter-spacing: -0.04em;
  color: #fff; line-height: 1.15; margin-bottom: 20px;
}

.blog-index-title span {
  background: linear-gradient(135deg, var(--primary), var(--cyan));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}

.blog-index-sub {
  font-size: 1rem; color: var(--text-muted);
  max-width: 540px; line-height: 1.8; margin-bottom: 40px;
}

/* ===== FILTER TABS ===== */
.blog-filters {
  display: flex; gap: 8px; flex-wrap: wrap;
  margin-bottom: 56px;
}

.blog-filter-btn {
  background: var(--glass); border: 1px solid var(--glass-border);
  color: var(--text-muted); font-size: 0.85rem; font-weight: 600;
  padding: 10px 20px; border-radius: 100px;
  cursor: pointer; transition: var(--transition);
}

.blog-filter-btn:hover { color: #fff; border-color: rgba(255,255,255,0.15); }
.blog-filter-btn.active {
  background: linear-gradient(135deg, var(--primary), #9333ea);
  border-color: transparent; color: #fff;
  box-shadow: 0 4px 16px rgba(124,58,237,0.35);
}

/* ===== BLOG CARD GRID ===== */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 80px;
}

.blog-card {
  background: var(--dark-2);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
  text-decoration: none;
  display: flex; flex-direction: column;
  position: relative;
}

.blog-card::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(circle at top left, rgba(124,58,237,0.08), transparent 60%);
  opacity: 0; transition: opacity 0.4s;
}

.blog-card:hover { transform: translateY(-6px); border-color: rgba(124,58,237,0.3); box-shadow: 0 24px 60px rgba(0,0,0,0.4); }
.blog-card:hover::before { opacity: 1; }

.blog-card-img {
  height: 200px;
  background: linear-gradient(135deg, rgba(124,58,237,0.2), rgba(6,182,212,0.12));
  display: flex; align-items: center; justify-content: center;
  font-size: 3.5rem;
  position: relative; overflow: hidden;
}

.blog-card-img::after {
  content: '';
  position: absolute; bottom: 0; left: 0; right: 0; height: 60px;
  background: linear-gradient(transparent, var(--dark-2));
}

.blog-card-body {
  padding: 28px; flex: 1;
  display: flex; flex-direction: column;
}

.blog-card-meta {
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 14px;
}

.blog-cat-badge {
  display: inline-flex; align-items: center; gap: 6px;
  background: rgba(124,58,237,0.15);
  border: 1px solid rgba(124,58,237,0.25);
  color: #a78bfa;
  font-size: 0.72rem; font-weight: 700;
  letter-spacing: 0.08em; text-transform: uppercase;
  padding: 4px 12px; border-radius: 100px;
}

.blog-read-time {
  font-size: 0.75rem; color: var(--text-muted);
  display: flex; align-items: center; gap: 4px;
}

.blog-card-title {
  font-size: 1.05rem; font-weight: 700; color: #fff;
  line-height: 1.4; margin-bottom: 12px; letter-spacing: -0.02em;
}

.blog-card-excerpt {
  font-size: 0.85rem; color: var(--text-muted);
  line-height: 1.7; flex: 1; margin-bottom: 20px;
}

.blog-card-footer {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 16px; border-top: 1px solid var(--glass-border);
}

.blog-card-date {
  font-size: 0.75rem; color: var(--text-muted);
}

.blog-card-arrow {
  width: 32px; height: 32px; border-radius: 50%;
  border: 1px solid var(--glass-border);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-muted);
  transition: var(--transition);
}

.blog-card:hover .blog-card-arrow {
  background: var(--primary); border-color: var(--primary);
  color: #fff; transform: rotate(-45deg);
}

/* FEATURED CARD */
.blog-card.featured {
  grid-column: span 2;
}

.blog-card.featured .blog-card-img {
  height: 260px;
}

.blog-card.featured .blog-card-title {
  font-size: 1.3rem;
}

/* ===== ARTICLE PAGE ===== */
.article-hero {
  padding: 140px 0 60px;
  position: relative; overflow: hidden;
}

.article-hero::before {
  content: '';
  position: absolute; top: -200px; right: -100px;
  width: 500px; height: 500px;
  background: rgba(124,58,237,0.1); border-radius: 50%;
  filter: blur(120px); pointer-events: none;
}

.article-breadcrumb {
  display: flex; align-items: center; gap: 8px;
  font-size: 0.8rem; color: var(--text-muted);
  margin-bottom: 24px;
}

.article-breadcrumb a { color: var(--text-muted); text-decoration: none; transition: color 0.2s; }
.article-breadcrumb a:hover { color: var(--primary); }
.article-breadcrumb span { color: var(--text-dim); }

.article-cat-badge {
  display: inline-flex; align-items: center; gap: 6px;
  background: rgba(124,58,237,0.15);
  border: 1px solid rgba(124,58,237,0.25);
  color: #a78bfa;
  font-size: 0.72rem; font-weight: 700;
  letter-spacing: 0.08em; text-transform: uppercase;
  padding: 5px 14px; border-radius: 100px;
  margin-bottom: 20px;
}

.article-title {
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 800; letter-spacing: -0.04em;
  color: #fff; line-height: 1.15; margin-bottom: 20px;
}

.article-meta {
  display: flex; align-items: center; gap: 20px;
  flex-wrap: wrap;
  padding: 16px 0;
  border-top: 1px solid var(--glass-border);
  border-bottom: 1px solid var(--glass-border);
  margin-bottom: 48px;
}

.article-meta-item {
  display: flex; align-items: center; gap: 8px;
  font-size: 0.82rem; color: var(--text-muted);
}

.article-meta-item strong { color: var(--text); }

.article-meta-sep {
  width: 4px; height: 4px; border-radius: 50%;
  background: var(--text-dim);
}

/* ===== ARTICLE CONTENT ===== */
.article-content {
  padding-bottom: 80px;
}

.article-body {
  font-size: 1.05rem;
  line-height: 1.85;
  color: #d4d3e4;
}

.article-body h2 {
  font-size: 1.6rem; font-weight: 800; letter-spacing: -0.03em;
  color: #fff; margin-top: 56px; margin-bottom: 20px; line-height: 1.3;
}

.article-body h3 {
  font-size: 1.2rem; font-weight: 700; color: #fff;
  margin-top: 36px; margin-bottom: 14px;
}

.article-body p {
  margin-bottom: 20px;
}

.article-body ul, .article-body ol {
  margin: 20px 0 24px 24px;
}

.article-body li {
  margin-bottom: 10px; color: #d4d3e4;
}

.article-body strong { color: #fff; font-weight: 700; }

.article-body a {
  color: #a78bfa; text-decoration: underline;
  text-underline-offset: 3px; transition: color 0.2s;
}
.article-body a:hover { color: var(--primary); }

/* Info box */
.info-box {
  background: rgba(124,58,237,0.1);
  border: 1px solid rgba(124,58,237,0.25);
  border-left: 4px solid var(--primary);
  border-radius: var(--radius-sm);
  padding: 20px 24px;
  margin: 28px 0;
}

.info-box p { margin: 0; color: var(--text-muted); }
.info-box strong { color: #a78bfa; }

/* Stat callout */
.stat-callout {
  background: linear-gradient(135deg, rgba(124,58,237,0.12), rgba(6,182,212,0.08));
  border: 1px solid rgba(124,58,237,0.2);
  border-radius: var(--radius);
  padding: 32px;
  margin: 32px 0;
  display: flex; align-items: center; gap: 24px;
}

.stat-callout-num {
  font-size: 3rem; font-weight: 800; letter-spacing: -0.04em;
  background: linear-gradient(135deg, var(--primary), var(--cyan));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text; white-space: nowrap;
}

.stat-callout-text { font-size: 0.95rem; color: var(--text-muted); }
.stat-callout-text strong { color: #fff; display: block; margin-bottom: 4px; font-size: 1rem; }

/* Step list */
.step-list {
  list-style: none; margin: 24px 0;
  display: flex; flex-direction: column; gap: 16px;
}

.step-list li {
  display: flex; align-items: flex-start; gap: 16px;
  background: var(--dark-2);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  padding: 20px;
}

.step-num {
  width: 36px; height: 36px; flex-shrink: 0;
  background: linear-gradient(135deg, var(--primary), #9333ea);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.85rem; font-weight: 800; color: #fff;
}

.step-content strong { display: block; color: #fff; margin-bottom: 4px; font-size: 0.95rem; }
.step-content p { margin: 0; font-size: 0.88rem; color: var(--text-muted); }

/* FAQ section in articles */
.article-faq { margin: 40px 0; }

.article-faq-item {
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
  overflow: hidden;
  transition: var(--transition);
}

.article-faq-q {
  width: 100%; text-align: left;
  padding: 20px 24px;
  background: var(--dark-2);
  border: none; cursor: pointer;
  font-size: 0.95rem; font-weight: 600; color: #fff;
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px;
  transition: var(--transition);
}

.article-faq-q:hover { background: rgba(124,58,237,0.1); }

.faq-chevron {
  width: 20px; height: 20px; flex-shrink: 0;
  stroke: var(--text-muted); transition: transform 0.3s;
}

.article-faq-item.open .faq-chevron { transform: rotate(180deg); }
.article-faq-a {
  max-height: 0; overflow: hidden;
  background: rgba(124,58,237,0.05);
  transition: max-height 0.4s ease, padding 0.3s;
}

.article-faq-item.open .article-faq-a {
  max-height: 300px; padding: 16px 24px 20px;
}

.article-faq-a p {
  font-size: 0.9rem; color: var(--text-muted); margin: 0; line-height: 1.7;
}

/* ===== ARTICLE CTA ===== */
.article-cta {
  background: linear-gradient(135deg, rgba(124,58,237,0.15), rgba(6,182,212,0.08));
  border: 1px solid rgba(124,58,237,0.25);
  border-radius: var(--radius);
  padding: 48px 40px;
  text-align: center;
  margin: 56px 0;
  position: relative; overflow: hidden;
}

.article-cta::before {
  content: '';
  position: absolute; top: -80px; right: -80px;
  width: 300px; height: 300px;
  background: rgba(124,58,237,0.12); border-radius: 50%;
  filter: blur(80px);
}

.article-cta-emoji { font-size: 2.5rem; margin-bottom: 16px; }

.article-cta h3 {
  font-size: 1.5rem; font-weight: 800; color: #fff;
  letter-spacing: -0.03em; margin-bottom: 12px;
}

.article-cta p {
  font-size: 0.95rem; color: var(--text-muted);
  max-width: 440px; margin: 0 auto 28px; line-height: 1.7;
}

.article-cta-buttons {
  display: flex; gap: 14px; justify-content: center; flex-wrap: wrap;
}

.btn-primary-blog {
  display: inline-flex; align-items: center; gap: 10px;
  background: linear-gradient(135deg, var(--primary), #9333ea);
  color: #fff; font-size: 0.95rem; font-weight: 600;
  padding: 14px 28px; border-radius: 100px; text-decoration: none;
  box-shadow: 0 4px 24px rgba(124,58,237,0.4);
  transition: var(--transition);
}

.btn-primary-blog:hover { transform: translateY(-3px); box-shadow: 0 12px 40px rgba(124,58,237,0.5); }

.btn-ghost-blog {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--glass); color: var(--text);
  font-size: 0.95rem; font-weight: 500;
  padding: 14px 28px; border-radius: 100px;
  border: 1px solid var(--glass-border); text-decoration: none;
  transition: var(--transition);
}

.btn-ghost-blog:hover { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.15); }

/* ===== RELATED POSTS ===== */
.related-posts {
  padding: 60px 0;
  border-top: 1px solid var(--glass-border);
}

.related-posts h2 {
  font-size: 1.4rem; font-weight: 700; color: #fff;
  margin-bottom: 28px; letter-spacing: -0.02em;
}

.related-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px;
}

/* ===== FOOTER ===== */
.blog-footer {
  background: var(--dark-2);
  border-top: 1px solid var(--glass-border);
  padding: 32px 0;
  text-align: center;
}

.blog-footer p {
  font-size: 0.82rem; color: var(--text-muted);
}

.blog-footer a {
  color: var(--text-muted); text-decoration: none; transition: color 0.2s;
}

.blog-footer a:hover { color: var(--primary); }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .blog-grid { grid-template-columns: repeat(2, 1fr); }
  .blog-card.featured { grid-column: span 2; }
}

@media (max-width: 768px) {
  .blog-nav-links { display: none; }
  .blog-grid { grid-template-columns: 1fr; }
  .blog-card.featured { grid-column: span 1; }
  .related-grid { grid-template-columns: 1fr; }
  .stat-callout { flex-direction: column; text-align: center; gap: 12px; }
  .article-cta { padding: 36px 24px; }
  .blog-container, .blog-container-narrow { padding: 0 20px; }
  .article-hero { padding: 120px 0 40px; }
  .blog-index-hero { padding: 120px 0 60px; }
}