/* ====================================
   Root Variables and Base Styles
   ==================================== */
/* Root Variables */
:root {
  --primary-color: #81b71a;
  --secondary-color: #4ebbf7;
  --tertiary-color: #6d6d6d;
  --body-font: Arial, sans-serif;
  --title-font: Helvetica, Arial, sans-serif;
}

/* Base Typography */
body {
  font-family: var(--body-font);
  font-size: 18px;
  line-height: 1.6;
  margin: 0;
  padding: 0;
  overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--title-font);
}

p,
span,
a,
li,
button {
  font-family: var(--body-font);
}

/* ====================================
     Common Components
     ==================================== */
.highlight {
  position: relative;
  display: inline-block;
}

.highlight::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--primary-color);
  opacity: 0.3;
}

.feature-item {
  transition: transform 0.2s ease;
}

.feature-item:hover {
  transform: translateY(-2px);
}

.tag {
  transition: background-color 0.2s ease;
}

.tag:hover {
  background-color: var(--secondary-color);
}

.cta-button {
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.cta-button:hover {
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

/* Article Template 8: Research Evidence - New Design */
.article-8 {
  width: 100%;
  background: white;
  padding: 120px 0;
}

.article-8 .article-content {
  max-width: 1100px;
  margin: 0 auto;
}

.article-8 .intro-section {
  text-align: center;
  margin-bottom: 80px;
}

.article-8 .reason-tag {
  background: var(--primary-color);
  color: white;
  padding: 10px 25px;
  border-radius: 30px;
  font-size: 20px;
  display: inline-block;
  margin-bottom: 30px;
}

.article-8 h2 {
  font-size: 56px;
  color: var(--tertiary-color);
  margin-bottom: 40px;
  line-height: 1.2;
}

.article-8 .research-intro {
  max-width: 900px;
  margin: 0 auto 60px;
  padding: 40px;
  background: #f8f8f8;
  border-radius: 15px;
}

.article-8 .lead-text {
  font-size: 24px;
  line-height: 1.6;
  color: var(--tertiary-color);
  margin-bottom: 30px;
}

.article-8 .research-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 60px;
}

.article-8 .research-content {
  background: #f8f8f8;
  padding: 40px;
  border-radius: 15px;
}

.article-8 .research-text h3 {
  font-size: 36px;
  color: var(--tertiary-color);
  margin-bottom: 30px;
}

.article-8 .research-text p {
  font-size: 20px;
  line-height: 1.6;
  color: var(--tertiary-color);
  margin-bottom: 40px;
}

.article-8 .research-papers {
  display: grid;
  gap: 30px;
}

.article-8 .paper-item {
  background: white;
  padding: 30px;
  border-radius: 12px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 20px;
  align-items: start;
}

.article-8 .paper-number {
  background: var(--primary-color);
  color: white;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: bold;
}

.article-8 .paper-details h4 {
  font-size: 20px;
  color: var(--tertiary-color);
  margin-bottom: 10px;
}

.article-8 .paper-details p {
  font-size: 16px;
  line-height: 1.6;
  color: var(--tertiary-color);
  margin: 0;
  font-style: italic;
}

.article-8 .research-image {
  margin: 40px 0 0;
}

.article-8 .research-image img {
  width: 100%;
  height: auto;
  border-radius: 15px;
  margin-bottom: 15px;
}

.article-8 .research-image figcaption {
  font-size: 16px;
  color: var(--tertiary-color);
  font-style: italic;
}

.article-8 .research-highlights {
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.article-8 .highlight-box {
  background: var(--primary-color);
  color: white;
  padding: 40px;
  border-radius: 15px;
}

.article-8 .highlight-box h3 {
  font-size: 28px;
  margin-bottom: 30px;
}

.article-8 .findings-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.article-8 .findings-list li {
  font-size: 20px;
  margin-bottom: 20px;
  padding-left: 30px;
  position: relative;
}

.article-8 .findings-list li:last-child {
  margin-bottom: 0;
}

.article-8 .findings-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--secondary-color);
}

.article-8 .highlight-number {
  color: var(--secondary-color);
  font-weight: bold;
}

.article-8 .research-quote {
  background: #f8f8f8;
  padding: 40px;
  border-radius: 15px;
  margin: 0;
}

.article-8 .research-quote p {
  font-size: 24px;
  line-height: 1.6;
  color: var(--tertiary-color);
  font-style: italic;
  margin-bottom: 20px;
}

.article-8 .research-quote cite {
  color: var(--primary-color);
  font-style: normal;
  font-weight: bold;
  font-size: 18px;
}

.article-8 .highlight-primary {
  color: var(--primary-color);
  font-weight: bold;
}

.article-8 .highlight-secondary {
  color: var(--secondary-color);
  font-weight: bold;
}

/* Media Queries for Article 8 */
@media (max-width: 968px) {
  .article-8 .research-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .article-8 {
    padding: 60px 20px;
  }

  .article-8 h2 {
    font-size: 36px;
  }

  .article-8 .lead-text {
    font-size: 20px;
  }

  .article-8 .research-text h3 {
    font-size: 28px;
  }

  .article-8 .paper-item {
    padding: 20px;
  }

  .article-8 .research-quote p {
    font-size: 20px;
  }
}

/* Media Queries for Articles */
@media (max-width: 968px) {
  .article-8 .research-grid {
    grid-template-columns: 1fr;
    padding: 0 20px;
  }
}

@media (max-width: 768px) {
  .article-8 h2 {
    font-size: 36px;
  }

  .article-8 p {
    font-size: 20px;
  }

  .article-8 {
    padding: 60px 20px;
  }
}