body {
  background: #0b0b0b;
  color: rgba(255,255,255,0.8);
}

.article-nav {
  background: transparent;
  padding: 20px 32px;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
}

.nav-container {
  max-width: 740px;
  margin: 0 auto;
}

.back-btn {
  color: rgba(255,255,255,0.4);
  text-decoration: none;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  transition: color 0.2s ease;
}

.back-btn:hover {
  color: #fff;
}

.article-container {
  max-width: 740px;
  margin: 100px auto 80px;
  padding: 0 24px;
}

.article-header {
  margin-bottom: 36px;
}

.article-tag {
  display: inline-block;
  font-family: 'Sofia Sans Extra Condensed', sans-serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: #f0e800;
  background: rgba(240,232,0,0.08);
  border: 1px solid rgba(240,232,0,0.15);
  padding: 5px 16px;
  border-radius: 4px;
  margin-bottom: 20px;
}

.article-header h1 {
  font-family: 'Sofia Sans Extra Condensed', sans-serif;
  font-size: 3.2rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: #fff;
  line-height: 1.05;
  margin: 0 0 16px;
}

.article-lead {
  font-size: 1.05rem;
  line-height: 1.7;
  color: rgba(255,255,255,0.5);
  margin: 0;
}

.article-main-image {
  width: 100%;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 4px 30px rgba(0,0,0,0.5);
  margin-bottom: 40px;
  border: 1px solid rgba(255,255,255,0.06);
}

.article-main-image img {
  width: 100%;
  height: auto;
  display: block;
}

.article-content p {
  font-size: 1.05rem;
  line-height: 1.85;
  color: rgba(255,255,255,0.72);
  margin: 0 0 24px;
}

.article-content p:last-child {
  margin-bottom: 0;
}

@media (max-width: 720px) {
  .article-nav {
    padding: 16px 20px;
  }

  .article-container {
    margin-top: 80px;
    margin-bottom: 48px;
  }

  .article-header h1 {
    font-size: 2.2rem;
  }

  .article-lead {
    font-size: 0.95rem;
  }

  .article-content p {
    font-size: 0.95rem;
  }
}