/* ========================================
   WINNOW CHINA — CASE STUDY DETAIL PAGE
   Page: 04-cs-marriott.html
   Template for article-style layout
   ======================================== */

/* ========================================
   ALWAYS-SOLID HEADER (article pages)
   ======================================== */
.page-article .header {
  background: rgba(60, 40, 120, 0.97);
  backdrop-filter: blur(12px);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
}

/* ========================================
   ARTICLE HEADER
   ======================================== */
.article-header {
  padding: 120px 0 48px;
  background: var(--white);
}

.article-header .container {
  max-width: 800px;
}

.article-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

.article-brand img {
  height: 96px;
  width: auto;
  object-fit: contain;
}

.article-brand span {
  font-size: 1.05rem;
  color: #666;
  font-weight: 600;
}

.article-header h1 {
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  font-weight: 700;
  color: var(--purple);
  line-height: 1.3;
  margin-bottom: 16px;
}

.article-summary {
  font-size: 1.1rem;
  color: #555;
  line-height: 1.7;
  margin-bottom: 24px;
}

.article-tags {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}

.article-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--light-bg);
  color: var(--blueberry);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: 50px;
}

.article-cover {
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 8px;
}

.article-cover img {
  width: 100%;
  height: auto;
}

/* ========================================
   ARTICLE BODY
   ======================================== */
.article-body {
  padding: 40px 0 64px;
}

.article-body .container {
  max-width: 800px;
}

.article-body p {
  font-size: 1.05rem;
  line-height: 1.9;
  margin-bottom: 20px;
  color: #333;
}

.article-body h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--purple);
  margin-top: 48px;
  margin-bottom: 20px;
  line-height: 1.3;
}

.article-body h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--purple);
  margin-top: 32px;
  margin-bottom: 14px;
  line-height: 1.4;
}

.article-body blockquote {
  background: var(--light-bg);
  border-left: 4px solid var(--blueberry);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 24px 28px;
  margin: 32px 0;
  font-style: italic;
  color: #444;
  line-height: 1.8;
}

.article-body blockquote p {
  margin-bottom: 8px;
  color: #444;
}

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

.article-body blockquote cite {
  display: block;
  font-style: normal;
  font-weight: 600;
  color: var(--purple);
  margin-top: 12px;
  font-size: 0.95rem;
}

.article-body ul, .article-body ol {
  margin: 16px 0 20px 24px;
}

.article-body li {
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 8px;
  color: #333;
}

.article-body strong {
  font-weight: 700;
  color: var(--text-body);
}

.article-body .article-image {
  margin: 32px auto;
  max-width: 800px;
  border-radius: var(--radius);
  overflow: hidden;
}

.article-body .article-image img {
  width: 100%;
  height: auto;
}

/* ========================================
   BACK LINK
   ======================================== */
.back-link {
  padding: 0 0 48px;
}

.back-link .container {
  max-width: 800px;
}

.back-link a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--blueberry);
  font-size: 0.95rem;
  font-weight: 600;
  transition: var(--transition);
}

.back-link a:hover {
  color: var(--purple);
  gap: 12px;
}

/* ========================================
   RESPONSIVE — CASE STUDY DETAIL
   ======================================== */

@media (max-width: 768px) {
  .article-header {
    padding: 100px 0 32px;
  }

  .article-header h1 {
    font-size: 1.6rem;
  }

  .article-body h2 {
    font-size: 1.3rem;
    margin-top: 36px;
  }

  .article-body h3 {
    font-size: 1.1rem;
  }

  .article-body blockquote {
    padding: 20px;
  }
}

@media (max-width: 480px) {
  .article-tags {
    gap: 6px;
  }

  .article-tag {
    font-size: 0.8rem;
    padding: 6px 12px;
  }
}