/* ============================================
   ARTICLE PAGE STYLES - FUTURE GREEN TECH
   ============================================ */

/* Article Container - 2 Column Layout */
.article__container {
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 64px;
  padding-top: calc(var(--header-height) + 48px);
  padding-bottom: 80px;
}

/* Article Main Content Area */
.article {
  background: var(--color-bg);
}

/* Article Header */
.article__header {
  max-width: 100%;
  margin-bottom: 40px;
}

.article__meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.article__category {
  display: inline-flex;
  align-items: center;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--color-primary);
  background: var(--color-primary-light);
  padding: 6px 14px;
  border-radius: 50px;
  border: 1px solid rgba(10, 143, 72, 0.2);
}

.article__date,
.article__read-time {
  font-size: 0.88rem;
  color: var(--color-text-light);
  display: flex;
  align-items: center;
  gap: 6px;
}

.article__date::before {
  content: "📅";
  font-size: 0.9rem;
}

.article__read-time::before {
  content: "⏱️";
  font-size: 0.9rem;
}

.article__title {
  font-size: clamp(2rem, 5vw, 2.8rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
  color: var(--color-secondary);
  font-weight: 800;
}

.article__excerpt {
  font-size: 1.15rem;
  line-height: 1.7;
  color: var(--color-text-light);
  margin-bottom: 28px;
  padding: 20px;
  background: var(--color-bg-alt);
  border-left: 4px solid var(--color-primary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.article__author {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 0;
}

.article__author-img {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--color-primary-light);
}

.article__author-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.article__author-name {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-secondary);
}

.article__author-role {
  font-size: 0.82rem;
  color: var(--color-text-light);
}

/* Featured Image */
.article__hero {
  margin: 0 0 48px 0;
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.article__hero-img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  aspect-ratio: 16/9;
  transition: transform 0.3s ease;
}

.article__hero:hover .article__hero-img {
  transform: scale(1.02);
}

.article__caption {
  font-size: 0.85rem;
  color: var(--color-text-light);
  font-style: italic;
  padding: 16px 20px;
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border-light);
}

/* Article Content */
.article__content {
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--color-text);
}

.article__content > * {
  margin-bottom: 0;
}

.article__content p {
  margin-bottom: 1.5rem;
  line-height: 1.85;
}

.article__content h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  margin-top: 56px;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--color-primary-light);
  position: relative;
}

.article__content h2::before {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 60px;
  height: 2px;
  background: var(--color-primary);
}

.article__content h3 {
  font-size: clamp(1.2rem, 2.5vw, 1.5rem);
  font-weight: 600;
  margin-top: 40px;
  margin-bottom: 16px;
  color: var(--color-secondary);
}

.article__content strong {
  color: var(--color-secondary);
  font-weight: 600;
}

.article__content a {
  color: var(--color-primary);
  text-decoration: underline;
  text-decoration-color: rgba(10, 143, 72, 0.3);
  text-underline-offset: 3px;
  transition: all 0.2s ease;
}

.article__content a:hover {
  color: var(--color-primary-dark);
  text-decoration-color: var(--color-primary);
}

/* CTA Box */
.article__cta-box {
  margin: 32px 0;
  padding: 24px 28px;
  background: linear-gradient(135deg, #e6f5ec 0%, #d4f1e0 100%);
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-md);
  position: relative;
  overflow: hidden;
}

.article__cta-box::before {
  content: "💡";
  position: absolute;
  top: 20px;
  right: 20px;
  font-size: 2rem;
  opacity: 0.3;
}

.article__cta-box strong {
  color: var(--color-primary);
  font-weight: 700;
  display: block;
  margin-bottom: 8px;
}

.article__cta-box a {
  color: var(--color-primary-dark);
  font-weight: 600;
  text-decoration: underline;
}

/* Related Articles */
.article__related {
  margin-top: 64px;
  padding: 36px;
  background: var(--color-bg-alt);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-light);
}

.article__related h3 {
  font-size: 1.3rem;
  margin-bottom: 20px;
  color: var(--color-secondary);
}

.article__related-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.article__related-list li {
  margin-bottom: 12px;
  padding-left: 24px;
  position: relative;
}

.article__related-list li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: 700;
}

.article__related-list a {
  color: var(--color-secondary);
  font-weight: 500;
  text-decoration: none;
  transition: color 0.2s ease;
}

.article__related-list a:hover {
  color: var(--color-primary);
}

/* Author Bio */
.article__bio {
  margin-top: 64px;
  padding: 32px;
  background: var(--color-bg-alt);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-light);
  display: flex;
  gap: 24px;
  align-items: flex-start;
}

.article__bio-img {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--color-primary-light);
  flex-shrink: 0;
}

.article__bio-content h4 {
  font-size: 1.15rem;
  margin-bottom: 12px;
  color: var(--color-secondary);
}

.article__bio-content p {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--color-text-light);
  margin-bottom: 0;
}

/* Sidebar */
.article__sidebar {
  position: sticky;
  top: calc(var(--header-height) + 24px);
  align-self: start;
  max-height: calc(100vh - var(--header-height) - 48px);
  overflow-y: auto;
  padding-right: 8px;
}

/* Custom scrollbar for sidebar */
.article__sidebar::-webkit-scrollbar {
  width: 6px;
}

.article__sidebar::-webkit-scrollbar-track {
  background: var(--color-bg-alt);
  border-radius: 3px;
}

.article__sidebar::-webkit-scrollbar-thumb {
  background: var(--color-primary);
  border-radius: 3px;
}

.article__sidebar::-webkit-scrollbar-thumb:hover {
  background: var(--color-primary-dark);
}

/* Sidebar Widget */
.sidebar__widget {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: 28px;
  margin-bottom: 24px;
  transition: all 0.3s ease;
}

.sidebar__widget:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary-light);
}

.sidebar__widget h4 {
  font-size: 1.05rem;
  margin-bottom: 20px;
  color: var(--color-secondary);
  font-weight: 700;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--color-primary-light);
}

.sidebar__widget p {
  font-size: 0.9rem;
  color: var(--color-text-light);
  line-height: 1.6;
  margin-bottom: 16px;
}

/* Quick Facts List */
.sidebar__facts {
  list-style: none;
  padding: 0;
  margin: 0;
}

.sidebar__facts li {
  padding: 12px 0;
  border-bottom: 1px solid var(--color-border-light);
  font-size: 0.9rem;
  color: var(--color-text);
  line-height: 1.6;
}

.sidebar__facts li:last-child {
  border-bottom: none;
}

.sidebar__facts strong {
  color: var(--color-primary);
  font-weight: 700;
  display: block;
  margin-bottom: 4px;
}

/* Tags */
.sidebar__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.sidebar__tags .tag {
  display: inline-block;
  padding: 6px 12px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-primary);
  background: var(--color-primary-light);
  border-radius: 50px;
  border: 1px solid rgba(10, 143, 72, 0.2);
  transition: all 0.2s ease;
  cursor: default;
}

.sidebar__tags .tag:hover {
  background: var(--color-primary);
  color: white;
  transform: translateY(-2px);
}

/* Sidebar Form */
.sidebar__form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.sidebar__input {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  outline: none;
  transition: border-color 0.2s ease;
}

.sidebar__input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(10, 143, 72, 0.1);
}

.sidebar__input::placeholder {
  color: var(--color-text-light);
}

/* Footer - override for article page */
.article + .footer {
  margin-top: 0;
}

/* Responsive Design */
@media (max-width: 1200px) {
  .article__container {
    grid-template-columns: 1fr 280px;
    gap: 48px;
  }

  .sidebar__widget {
    padding: 24px;
  }
}

@media (max-width: 968px) {
  .article__container {
    grid-template-columns: 1fr;
    gap: 48px;
    padding-top: calc(var(--header-height) + 32px);
  }

  .article__sidebar {
    position: static;
    max-height: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    padding-right: 0;
  }

  .sidebar__widget {
    margin-bottom: 0;
  }

  .article__content h2 {
    margin-top: 40px;
  }
}

@media (max-width: 768px) {
  .article__container {
    padding: calc(var(--header-height) + 24px) 16px 56px;
  }

  .article__title {
    font-size: clamp(1.75rem, 5vw, 2.2rem);
  }

  .article__excerpt {
    font-size: 1rem;
    padding: 16px;
  }

  .article__content {
    font-size: 1.05rem;
  }

  .article__hero {
    margin-bottom: 32px;
  }

  .article__bio {
    flex-direction: column;
    padding: 24px;
  }

  .article__related {
    padding: 24px;
  }

  .sidebar__widget {
    padding: 20px;
  }

  .article__sidebar {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .article__meta {
    gap: 12px;
  }

  .article__content h2 {
    margin-top: 32px;
  }

  .article__content h3 {
    margin-top: 28px;
  }

  .article__cta-box {
    padding: 20px;
  }

  .article__related,
  .article__bio {
    padding: 20px;
  }
}

/* Print Styles */
@media print {
  .article__sidebar,
  .article__cta-box,
  .article__related {
    display: none;
  }

  .article__container {
    grid-template-columns: 1fr;
    max-width: 100%;
  }

  .article__content {
    font-size: 11pt;
  }
}