@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

:root {
  --bg-primary: #060d1b;
  --bg-secondary: #0c1829;
  --bg-glass: rgba(255, 255, 255, 0.04);
  --bg-glass-hover: rgba(255, 255, 255, 0.08);
  --border-glass: rgba(255, 255, 255, 0.1);
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --accent-blue: #3b82f6;
  --accent-cyan: #06b6d4;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.75;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
}

.container {
  width: min(1100px, calc(100% - 40px));
  margin: 0 auto;
}

.blog-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(6, 13, 27, 0.9);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-glass);
}

.blog-header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 72px;
  gap: 16px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 1.2rem;
  font-weight: 800;
}

.brand img {
  width: 34px;
  height: 34px;
  border-radius: 8px;
}

.back-link {
  color: var(--text-secondary);
  font-size: 0.9rem;
  transition: var(--transition-base);
}

.back-link:hover {
  color: var(--text-primary);
}

.blog-hero {
  background: radial-gradient(circle at 20% 10%, rgba(59, 130, 246, 0.2), transparent 45%),
    radial-gradient(circle at 80% 0%, rgba(6, 182, 212, 0.15), transparent 35%),
    var(--bg-secondary);
  padding: 76px 0 56px;
  border-bottom: 1px solid var(--border-glass);
}

.blog-hero h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.2;
  margin-bottom: 14px;
}

.blog-hero p {
  color: var(--text-secondary);
  max-width: 760px;
}

.blog-grid {
  padding: 56px 0 88px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.blog-card {
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  background: var(--bg-glass);
  padding: 22px;
  transition: var(--transition-base);
}

.blog-card:hover {
  background: var(--bg-glass-hover);
  transform: translateY(-4px);
}

.blog-tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(59, 130, 246, 0.35);
  background: rgba(59, 130, 246, 0.1);
  color: var(--accent-cyan);
  font-size: 0.73rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.blog-card h2 {
  font-size: 1.25rem;
  line-height: 1.35;
  margin-bottom: 8px;
}

.blog-card h2 a:hover {
  color: var(--accent-blue);
}

.blog-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 14px;
}

.blog-card-meta {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: var(--text-secondary);
  font-size: 0.82rem;
}

.article-wrap {
  padding: 44px 0 80px;
}

.article {
  width: min(860px, calc(100% - 40px));
  margin: 0 auto;
}

.article h1 {
  font-size: clamp(2rem, 4vw, 2.7rem);
  line-height: 1.2;
  margin-bottom: 16px;
}

.article .lead {
  color: var(--text-secondary);
  font-size: 1.05rem;
  margin-bottom: 26px;
}

.article h2 {
  margin-top: 28px;
  margin-bottom: 10px;
  font-size: 1.45rem;
  line-height: 1.35;
}

.article h3 {
  margin-top: 20px;
  margin-bottom: 8px;
  font-size: 1.15rem;
}

.article p,
.article li {
  color: var(--text-secondary);
  font-size: 1rem;
}

.article ul {
  margin: 8px 0 0 20px;
}

.article li + li {
  margin-top: 8px;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 12px;
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.article-chip {
  padding: 4px 10px;
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-full);
  background: var(--bg-glass);
}

.article-cta {
  margin-top: 36px;
  padding: 22px;
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  background: var(--bg-glass);
}

.article-cta p {
  margin-bottom: 12px;
}

.cta-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(59, 130, 246, 0.35);
  background: rgba(59, 130, 246, 0.15);
  color: #dbeafe;
  font-weight: 600;
  font-size: 0.92rem;
}

.cta-link:hover {
  background: rgba(59, 130, 246, 0.25);
}

.blog-footer {
  border-top: 1px solid var(--border-glass);
  padding: 24px 0;
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.blog-footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}

@media (max-width: 820px) {
  .blog-grid {
    grid-template-columns: 1fr;
  }

  .blog-header-inner {
    min-height: 64px;
  }

  .article {
    width: min(860px, calc(100% - 30px));
  }
}