/* ===== BASE STYLES ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Poppins", sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  background-color: var(--bg-color);
  overflow-x: hidden;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

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

button {
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

ul {
  list-style: none;
}

/* ===== BUTTON STYLES ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border: none;
  border-radius: var(--border-radius);
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
  justify-content: center;
}

.btn-primary {
  background-color: var(--color-blue);
  color: var(--bg-color);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  background-color: var(--primary-color);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-outline {
  background-color: transparent;
  color: var(--gray-700);
  border: 2px solid var(--gray-300);
}

.btn-outline:hover {
  background-color: var(--gray-100);
  border-color: var(--gray-400);
  transform: translateY(-2px);
}

.btn-outline-white {
  background-color: transparent;
  color: var(--bg-color);
  border: 2px solid var(--bg-color);
}

.btn-outline-white:hover {
  background-color: var(--bg-color);
  color: var(--color-blue);
}
/* ===== BUTTON STYLES END ===== */

/* ===== HERO SECTION ===== */
.hero {
  background: linear-gradient(135deg, var(--gray-100) 0%, var(--bg-color) 100%);
  padding: 100px 0 80px;
  text-align: center;
}

.hero-content h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  margin-bottom: 24px;
  color: var(--text-color);
}

.highlight {
  color: var(--primary-color-light);
}

.hero-description {
  font-size: 20px;
  color: var(--gray-600);
  max-width: 600px;
  margin: 0 auto 40px;
}

/* Search Bar */
.search-bar {
  margin-top: 32px;
}

.search-container {
  display: flex;
  align-items: center;
  max-width: 500px;
  margin: 0 auto;
  background: var(--bg-color);
  border-radius: 12px;
  padding: 8px;
  box-shadow: var(--shadow-md);
}

.search-container i {
  color: var(--gray-500);
  margin-left: 16px;
  margin-right: 12px;
}

.search-container input {
  flex: 1;
  border: none;
  outline: none;
  font-size: 16px;
  padding: 12px 0;
  color: var(--text-color);
}

.search-container input::placeholder {
  color: var(--gray-500);
}

.search-btn {
  background-color: var(--primary-color-light);
  color: var(--bg-color);
  border: none;
  padding: 12px 20px;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.search-btn:hover {
  background-color: var(--primary-color);
}
/* ===== HERO SECTION END ===== */

/* ===== FEATURED SECTION ===== */
.featured-section {
  padding: 80px 0;
  background-color: var(--bg-color);
}

.featured-post {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  background: var(--bg-color);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.featured-image {
  position: relative;
  height: 400px;
  overflow: hidden;
}

.featured-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.featured-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    45deg,
    rgba(19, 45, 247, 0.1),
    rgba(123, 44, 191, 0.1)
  );
}

.featured-badge {
  position: absolute;
  top: 20px;
  left: 20px;
  background: linear-gradient(135deg, var(--primary-color-light), var(--secondary-color));
  color: var(--bg-color);
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 14px;
  font-weight: 600;
}

.featured-content {
  padding: 40px;
}

.post-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
  font-size: 14px;
}

.category {
  background-color: rgba(19, 45, 247, 0.1);
  color: var(--color-blue);
  padding: 4px 12px;
  border-radius: 12px;
  font-weight: 600;
}

.date,
.read-time {
  color: var(--gray-600);
}

.featured-content h2 {
  font-size: 32px;
  font-weight: 700;
  color: var(--text-color);
  margin-bottom: 16px;
  line-height: 1.3;
}

.featured-content p {
  font-size: 18px;
  color: var(--gray-600);
  margin-bottom: 24px;
  line-height: 1.6;
}

.author-info {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
}

.author-avatar img {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
}

.author-name {
  font-weight: 600;
  color: var(--text-color);
  display: block;
}

.author-title {
  font-size: 14px;
  color: var(--gray-600);
}
/* ===== FEATURED SECTION END ===== */

/* ===== MAIN CONTENT SECTION ===== */
.main-content {
  padding: 80px 0;
  background-color: var(--gray-100);
}

.content-wrapper {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 48px;
}

/* Section Header */
.section-header {
  margin-bottom: 48px;
}

.section-header h2 {
  font-size: 32px;
  font-weight: 700;
  color: var(--text-color);
  margin-bottom: 24px;
}

/* Filter Tabs */
.filter-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.filter-tab {
  padding: 8px 16px;
  border: 2px solid var(--gray-300);
  background: var(--bg-color);
  color: var(--gray-600);
  border-radius: 20px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.filter-tab:hover,
.filter-tab.active {
  border-color: var(--primary-color-light);
  color: var(--primary-color-light);
  background-color: rgba(123, 44, 191, 0.05);
}

/* Blog Posts Grid */
.posts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 32px;
  margin-bottom: 48px;
}

.blog-card {
  background: var(--bg-color);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  cursor: pointer;
}

.blog-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.blog-image {
  position: relative;
  height: 200px;
  overflow: hidden;
}

.blog-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.blog-card:hover .blog-image img {
  transform: scale(1.05);
}

.blog-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.3), transparent);
}

.category-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 4px 12px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 600;
  color: var(--bg-color);
}

.category-tag.tutorial {
  background-color: var(--color-blue);
}

.category-tag.tips {
  background-color: #22c55e;
}

.category-tag.industry {
  background-color: #f59e0b;
}

.category-tag.case-study {
  background-color: #ef4444;
}

.blog-content {
  padding: 24px;
}

.blog-content .post-meta {
  margin-bottom: 12px;
  font-size: 13px;
}

.blog-content h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-color);
  margin-bottom: 12px;
  line-height: 1.4;
}

.blog-content p {
  color: var(--gray-600);
  font-size: 15px;
  margin-bottom: 20px;
  line-height: 1.6;
}

.blog-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.author-mini {
  display: flex;
  align-items: center;
  gap: 8px;
}

.author-mini img {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  object-fit: cover;
}

.author-mini span {
  font-size: 14px;
  color: var(--gray-600);
  font-weight: 500;
}

.post-stats {
  display: flex;
  gap: 16px;
  font-size: 13px;
  color: var(--gray-500);
}

.post-stats i {
  margin-right: 4px;
}

/* Load More */
.load-more-section {
  text-align: center;
}
/* ===== MAIN CONTENT SECTION END ===== */

/* ===== SIDEBAR SECTION ===== */
.sidebar {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.sidebar-widget {
  background: var(--bg-color);
  border-radius: 16px;
  padding: 32px;
  box-shadow: var(--shadow-md);
}

.sidebar-widget h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-color);
  margin-bottom: 20px;
}

/* Newsletter Widget */
.newsletter-widget {
  background: linear-gradient(135deg, var(--color-blue), var(--primary-color));
  color: var(--bg-color);
}

.newsletter-widget h3 {
  color: var(--bg-color);
}

.newsletter-widget p {
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 20px;
}

.newsletter-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.newsletter-form input {
  padding: 12px;
  border: none;
  border-radius: 8px;
  font-size: 16px;
  outline: none;
}

.newsletter-form button {
  background-color: var(--primary-color-light);
  border: none;
}

.newsletter-form button:hover {
  background-color: var(--primary-color);
}

/* Popular Posts */
.popular-posts {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.popular-post {
  display: flex;
  gap: 12px;
  padding: 12px;
  border-radius: 8px;
  transition: var(--transition);
  cursor: pointer;
}

.popular-post:hover {
  background-color: var(--gray-100);
}

.popular-image img {
  width: 60px;
  height: 45px;
  border-radius: 6px;
  object-fit: cover;
}

.popular-content h4 {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-color);
  margin-bottom: 4px;
  line-height: 1.3;
}

.popular-date {
  font-size: 12px;
  color: var(--gray-500);
}

/* Categories */
.categories-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.category-link {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px;
  border-radius: 8px;
  text-decoration: none;
  color: var(--gray-600);
  transition: var(--transition);
}

.category-link:hover {
  background-color: var(--gray-100);
  color: var(--primary-color-light);
}

.count {
  background-color: var(--gray-200);
  color: var(--gray-600);
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 600;
}

/* Tags Cloud */
.tags-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  background-color: var(--gray-100);
  color: var(--gray-600);
  padding: 6px 12px;
  border-radius: 16px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

.tag:hover {
  background-color: var(--primary-color-light);
  color: var(--bg-color);
}

/* CTA Widget */
.cta-widget {
  background: linear-gradient(135deg, var(--primary-color-light), var(--secondary-color));
  color: var(--bg-color);
  text-align: center;
}

.cta-widget h3 {
  color: var(--bg-color);
}

.cta-widget p {
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 20px;
}

.cta-widget button {
  background-color: var(--bg-color);
  color: var(--primary-color-light);
}

.cta-widget button:hover {
  background-color: var(--gray-100);
}
/* ===== SIDEBAR SECTION END ===== */

/* ===== CTA SECTION ===== */
.cta-section-1 {
  background: linear-gradient(135deg, var(--color-blue) 0%, var(--primary-color) 100%);
  padding: 80px 0;
  text-align: center;
}

.cta-content h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--bg-color);
  margin-bottom: 16px;
}

.cta-content p {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.9);
  max-width: 600px;
  margin: 0 auto 32px;
}

.cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
/* ===== CTA SECTION END ===== */

/* ===== ANIMATIONS ===== */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.slide-in-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: all 0.6s ease;
}

.slide-in-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.slide-in-right {
  opacity: 0;
  transform: translateX(30px);
  transition: all 0.6s ease;
}

.slide-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Loading States */
.loading {
  opacity: 0.6;
  pointer-events: none;
}

.skeleton {
  background: linear-gradient(
    90deg,
    var(--gray-200) 25%,
    var(--gray-300) 50%,
    var(--gray-200) 75%
  );
  background-size: 200% 100%;
  animation: loading 1.5s infinite;
}

@keyframes loading {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}
/* ===== ANIMATIONS END ===== */

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1024px) {
  .content-wrapper {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .featured-post {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .featured-image {
    height: 300px;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 16px;
  }

  .hero {
    padding: 80px 0 60px;
  }

  .search-container {
    flex-direction: column;
    gap: 12px;
    padding: 16px;
  }

  .search-container input {
    padding: 12px 16px;
    border: 1px solid var(--gray-300);
    border-radius: 8px;
  }

  .posts-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .filter-tabs {
    justify-content: center;
  }

  .featured-content {
    padding: 32px 24px;
  }

  .featured-content h2 {
    font-size: 24px;
  }

  .sidebar-widget {
    padding: 24px;
  }

  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
    max-width: 300px;
  }
}

@media (max-width: 480px) {
  .featured-post {
    margin: 0 -16px;
    border-radius: 0;
  }

  .blog-content {
    padding: 20px;
  }

  .sidebar-widget {
    padding: 20px;
  }

  .popular-post {
    padding: 8px;
  }

  .newsletter-form {
    gap: 8px;
  }
}
/* ===== RESPONSIVE DESIGN END ===== */