/* Layout Styles */

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background-color: var(--header-bg);
  border-bottom: var(--header-border);
  box-shadow: var(--header-shadow);
  z-index: var(--z-fixed);
  transition: var(--transition-base);
}

.header.scrolled {
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-lg);
}

.navbar {
  height: var(--header-height);
  display: flex;
  align-items: center;
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Logo */
.navbar-brand {
  display: flex;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  text-decoration: none;
  color: var(--text-primary);
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-xl);
}

.logo-img {
  width: 40px;
  height: 40px;
  object-fit: contain;
  image-rendering: auto;
  display: block;
}

.logo-text {
  font-family: var(--font-family-primary);
  font-weight: var(--font-weight-black);
}

/* Navigation Menu */
.navbar-menu {
  display: flex;
  align-items: center;
}

.navbar-nav {
  display: flex;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: var(--spacing-2);
}

.nav-item {
  position: relative;
}

.nav-link {
  display: flex;
  align-items: center;
  padding: var(--spacing-3) var(--spacing-4);
  color: var(--text-primary);
  text-decoration: none;
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-lg);
  transition: var(--transition-fast);
  position: relative;
}

.nav-link:hover,
.nav-link.active {
  color: var(--secondary-color);
  background-color: var(--bg-secondary);
  text-decoration: none;
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  background-color: var(--secondary-color);
  border-radius: var(--radius-full);
}

/* Dropdown */
.dropdown {
  position: relative;
}

.dropdown-toggle::after {
  content: '';
  display: inline-block;
  width: 0;
  height: 0;
  margin-right: var(--spacing-2);
  border-top: 4px solid;
  border-right: 4px solid transparent;
  border-left: 4px solid transparent;
  transition: var(--transition-fast);
}

.dropdown:hover .dropdown-toggle::after {
  transform: rotate(180deg);
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  right: 0;
  min-width: 200px;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--spacing-2);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: var(--transition-base);
  z-index: var(--z-dropdown);
}

.dropdown:hover .dropdown-menu,
.dropdown.open .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-item {
  display: block;
  padding: var(--spacing-3) var(--spacing-4);
  color: var(--text-primary);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: var(--transition-fast);
}

.dropdown-item:hover {
  background-color: var(--bg-secondary);
  color: var(--secondary-color);
  text-decoration: none;
}

/* Navbar Actions */
.navbar-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
}

.search-toggle,
.theme-toggle,
.mobile-menu-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  color: var(--text-primary);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: var(--transition-fast);
}

.search-toggle:hover,
.theme-toggle:hover {
  background-color: var(--bg-secondary);
  color: var(--secondary-color);
}

/* Theme Toggle */
.theme-toggle .sun-icon {
  display: block;
}

.theme-toggle .moon-icon {
  display: none;
}

[data-theme="dark"] .theme-toggle .sun-icon {
  display: none;
}

[data-theme="dark"] .theme-toggle .moon-icon {
  display: block;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  flex-direction: column;
  gap: 4px;
  display: none;
}

@media (max-width: 768px) {
  .mobile-menu-toggle {
    display: flex !important;
  }
  
  .navbar-nav {
    display: none;
  }
}

.mobile-menu-toggle span {
  width: 20px;
  height: 2px;
  background-color: currentColor;
  border-radius: var(--radius-full);
  transition: var(--transition-fast);
}

.mobile-menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -6px);
}

/* Search Overlay */
.search-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--bg-overlay);
  backdrop-filter: blur(10px);
  z-index: var(--z-modal);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-base);
}

.search-overlay.active {
  opacity: 1;
  visibility: visible;
}

.search-container {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 90%;
  max-width: 600px;
}

.search-box {
  position: relative;
  margin-bottom: var(--spacing-6);
}

.search-box input {
  width: 100%;
  padding: var(--spacing-5) var(--spacing-6);
  padding-left: 60px;
  font-size: var(--font-size-xl);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-2xl);
  background-color: var(--bg-primary);
  color: var(--text-primary);
}

.search-box input:focus {
  outline: none;
  border-color: var(--secondary-color);
  box-shadow: 0 0 0 3px rgba(49, 130, 206, 0.1);
}

.search-btn {
  position: absolute;
  left: var(--spacing-4);
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--text-tertiary);
  cursor: pointer;
}

.search-suggestions {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  max-height: 300px;
  overflow-y: auto;
  display: none;
}

.search-close {
  display: block;
  margin: 0 auto;
  padding: var(--spacing-3) var(--spacing-6);
  background: none;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  color: var(--text-primary);
  cursor: pointer;
  transition: var(--transition-fast);
}

.search-close:hover {
  background-color: var(--bg-secondary);
}

/* Main Content */
.main {
  margin-top: var(--header-height);
  min-height: calc(100vh - var(--header-height));
}

/* Hero Section */
.hero {
  position: relative;
  min-height: 80vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
}

.hero-gradient {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--hero-gradient);
  opacity: 0.9;
}

.hero-pattern {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    radial-gradient(circle at 25% 25%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 75% 75%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
  background-size: 100px 100px;
  animation: pattern-move 20s linear infinite;
}

@keyframes pattern-move {
  0% { transform: translate(0, 0); }
  100% { transform: translate(50px, 50px); }
}

.hero-content {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-12);
  align-items: center;
}

.hero-text {
  color: var(--white);
}

.hero-title {
  font-size: var(--font-size-6xl);
  font-weight: var(--font-weight-black);
  line-height: var(--line-height-tight);
  margin-bottom: var(--spacing-6);
  color: var(--white);
}

.hero-description {
  font-size: var(--font-size-xl);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-8);
  color: rgba(255, 255, 255, 0.9);
}

.hero-actions {
  display: flex;
  gap: var(--spacing-4);
  flex-wrap: wrap;
}

.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-image {
  max-width: 100%;
  z-index: 2;
  position: relative;
}

.hero-image img {
  width: 100%;
  height: auto;
  filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.3));
}

/* Stats Section */
.stats {
  padding: var(--spacing-16) 0;
  background-color: var(--bg-secondary);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-8);
  text-align: center;
}

.stat-item {
  padding: var(--spacing-6);
}

.stat-number {
  font-size: var(--font-size-5xl);
  font-weight: var(--font-weight-black);
  color: var(--secondary-color);
  margin-bottom: var(--spacing-2);
  display: block;
}

.stat-label {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-medium);
  color: var(--text-secondary);
}

/* Section Styles */
section {
  padding: var(--spacing-20) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-16);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.section-title {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-black);
  margin-bottom: var(--spacing-6);
  color: var(--text-primary);
}

.section-description {
  font-size: var(--font-size-xl);
  color: var(--text-secondary);
  line-height: var(--line-height-relaxed);
}

.section-footer {
  text-align: center;
  margin-top: var(--spacing-12);
}

/* Grid Layouts */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-8);
}

.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-8);
}

/* Newsletter Section */
.newsletter {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.newsletter::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    radial-gradient(circle at 20% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
  background-size: 200px 200px;
}

.newsletter-content {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-12);
  align-items: center;
}

.newsletter-title {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-black);
  margin-bottom: var(--spacing-6);
  color: var(--white);
}

.newsletter-description {
  font-size: var(--font-size-lg);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-8);
  color: rgba(255, 255, 255, 0.9);
}

.newsletter-benefits {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3);
}

.benefit-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  color: rgba(255, 255, 255, 0.9);
}

.benefit-item svg {
  color: var(--accent-color);
  flex-shrink: 0;
}

.newsletter-form {
  background-color: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-2xl);
  padding: var(--spacing-8);
}

.newsletter-form .form-input {
  background-color: rgba(255, 255, 255, 0.9);
  border: none;
  color: var(--text-primary);
}

.newsletter-form .form-input::placeholder {
  color: var(--text-tertiary);
}

/* Testimonials Section */
.testimonials {
  background-color: var(--bg-secondary);
}

.testimonials-slider {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-8);
  margin-bottom: var(--spacing-8);
}

.testimonials-navigation {
  display: flex;
  justify-content: center;
  gap: var(--spacing-4);
}

.testimonial-prev,
.testimonial-next {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  color: var(--text-primary);
  cursor: pointer;
  transition: var(--transition-fast);
}

.testimonial-prev:hover,
.testimonial-next:hover {
  background-color: var(--secondary-color);
  color: var(--white);
  border-color: var(--secondary-color);
}

/* Footer */
.footer {
  background-color: var(--footer-bg);
  color: var(--footer-text);
  padding: var(--spacing-16) 0 var(--spacing-8);
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--spacing-12);
  margin-bottom: var(--spacing-12);
}

.footer-brand {
  max-width: 400px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  text-decoration: none;
  color: var(--white);
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-4);
}

.footer-description {
  color: var(--footer-text);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-6);
}

.social-links {
  display: flex;
  gap: var(--spacing-3);
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--footer-text);
  border-radius: var(--radius-lg);
  text-decoration: none;
  transition: var(--transition-fast);
}

.social-link:hover {
  background-color: var(--secondary-color);
  color: var(--white);
  text-decoration: none;
  transform: translateY(-2px);
}

.footer-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--white);
  margin-bottom: var(--spacing-6);
}

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

.footer-links li {
  margin-bottom: var(--spacing-3);
}

.footer-links a {
  color: var(--footer-text);
  text-decoration: none;
  transition: var(--transition-fast);
}

.footer-links a:hover {
  color: var(--white);
  text-decoration: none;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--spacing-8);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-copyright,
.footer-credits {
  font-size: var(--font-size-sm);
  color: var(--footer-text);
}

.footer-credits a {
  color: var(--secondary-color);
  text-decoration: none;
}

.footer-credits a:hover {
  text-decoration: underline;
}

/* Back to Top */
.back-to-top {
  position: fixed;
  bottom: var(--spacing-6);
  left: var(--spacing-6);
  width: 50px;
  height: 50px;
  background-color: var(--secondary-color);
  color: var(--white);
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: var(--transition-base);
  z-index: var(--z-fixed);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background-color: var(--secondary-dark);
  transform: translateY(-2px);
}




/* Layout Styles */

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background-color: var(--header-bg);
  border-bottom: var(--header-border);
  box-shadow: var(--header-shadow);
  z-index: var(--z-fixed);
  transition: var(--transition-base);
}

.header.scrolled {
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-lg);
}

.navbar {
  height: var(--header-height);
  display: flex;
  align-items: center;
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Logo */
.navbar-brand {
  display: flex;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  text-decoration: none;
  color: var(--text-primary);
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-xl);
}

.logo-img {
  width: 40px;
  height: 40px;
}

.logo-text {
  font-family: var(--font-family-primary);
  font-weight: var(--font-weight-black);
}

/* Navigation Menu */
.navbar-menu {
  display: flex;
  align-items: center;
}

.navbar-nav {
  display: flex;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: var(--spacing-2);
}

.nav-item {
  position: relative;
}

.nav-link {
  display: flex;
  align-items: center;
  padding: var(--spacing-3) var(--spacing-4);
  color: var(--text-primary);
  text-decoration: none;
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-lg);
  transition: var(--transition-fast);
  position: relative;
}

.nav-link:hover,
.nav-link.active {
  color: var(--secondary-color);
  background-color: var(--bg-secondary);
  text-decoration: none;
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  background-color: var(--secondary-color);
  border-radius: var(--radius-full);
}

/* Dropdown */
.dropdown {
  position: relative;
}

.dropdown-toggle::after {
  content: '';
  display: inline-block;
  width: 0;
  height: 0;
  margin-right: var(--spacing-2);
  border-top: 4px solid;
  border-right: 4px solid transparent;
  border-left: 4px solid transparent;
  transition: var(--transition-fast);
}

.dropdown:hover .dropdown-toggle::after {
  transform: rotate(180deg);
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  right: 0;
  min-width: 200px;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--spacing-2);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: var(--transition-base);
  z-index: var(--z-dropdown);
}

.dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-item {
  display: block;
  padding: var(--spacing-3) var(--spacing-4);
  color: var(--text-primary);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: var(--transition-fast);
}

.dropdown-item:hover {
  background-color: var(--bg-secondary);
  color: var(--secondary-color);
  text-decoration: none;
}

/* Navbar Actions */
.navbar-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
}

.search-toggle,
.theme-toggle,
.mobile-menu-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  color: var(--text-primary);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: var(--transition-fast);
}

.search-toggle:hover,
.theme-toggle:hover {
  background-color: var(--bg-secondary);
  color: var(--secondary-color);
}

/* Theme Toggle */
.theme-toggle .sun-icon {
  display: block;
}

.theme-toggle .moon-icon {
  display: none;
}

[data-theme="dark"] .theme-toggle .sun-icon {
  display: none;
}

[data-theme="dark"] .theme-toggle .moon-icon {
  display: block;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  flex-direction: column;
  gap: 4px;
  display: none;
}

@media (max-width: 768px) {
  .mobile-menu-toggle {
    display: flex !important;
  }
  
  .navbar-nav {
    display: none;
  }
}

.mobile-menu-toggle span {
  width: 20px;
  height: 2px;
  background-color: currentColor;
  border-radius: var(--radius-full);
  transition: var(--transition-fast);
}

.mobile-menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -6px);
}

/* Search Overlay */
.search-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--bg-overlay);
  backdrop-filter: blur(10px);
  z-index: var(--z-modal);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-base);
}

.search-overlay.active {
  opacity: 1;
  visibility: visible;
}

.search-container {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 90%;
  max-width: 600px;
}

.search-box {
  position: relative;
  margin-bottom: var(--spacing-6);
}

.search-box input {
  width: 100%;
  padding: var(--spacing-5) var(--spacing-6);
  padding-left: 60px;
  font-size: var(--font-size-xl);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-2xl);
  background-color: var(--bg-primary);
  color: var(--text-primary);
}

.search-box input:focus {
  outline: none;
  border-color: var(--secondary-color);
  box-shadow: 0 0 0 3px rgba(49, 130, 206, 0.1);
}

.search-btn {
  position: absolute;
  left: var(--spacing-4);
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--text-tertiary);
  cursor: pointer;
}

.search-suggestions {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  max-height: 300px;
  overflow-y: auto;
  display: none;
}

.search-close {
  display: block;
  margin: 0 auto;
  padding: var(--spacing-3) var(--spacing-6);
  background: none;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  color: var(--text-primary);
  cursor: pointer;
  transition: var(--transition-fast);
}

.search-close:hover {
  background-color: var(--bg-secondary);
}

/* Main Content */
.main {
  margin-top: var(--header-height);
  min-height: calc(100vh - var(--header-height));
}

/* Hero Section */
.hero {
  position: relative;
  min-height: 80vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
}

.hero-gradient {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--hero-gradient);
  opacity: 0.9;
}

.hero-pattern {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    radial-gradient(circle at 25% 25%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 75% 75%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
  background-size: 100px 100px;
  animation: pattern-move 20s linear infinite;
}

@keyframes pattern-move {
  0% { transform: translate(0, 0); }
  100% { transform: translate(50px, 50px); }
}

.hero-content {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-12);
  align-items: center;
}

.hero-text {
  color: var(--white);
}

.hero-title {
  font-size: var(--font-size-6xl);
  font-weight: var(--font-weight-black);
  line-height: var(--line-height-tight);
  margin-bottom: var(--spacing-6);
  color: var(--white);
}

.hero-description {
  font-size: var(--font-size-xl);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-8);
  color: rgba(255, 255, 255, 0.9);
}

.hero-actions {
  display: flex;
  gap: var(--spacing-4);
  flex-wrap: wrap;
}

.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-image {
  max-width: 100%;
  z-index: 2;
  position: relative;
}

.hero-image img {
  width: 100%;
  height: auto;
  filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.3));
}

/* Stats Section */
.stats {
  padding: var(--spacing-16) 0;
  background-color: var(--bg-secondary);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-8);
  text-align: center;
}

.stat-item {
  padding: var(--spacing-6);
}

.stat-number {
  font-size: var(--font-size-5xl);
  font-weight: var(--font-weight-black);
  color: var(--secondary-color);
  margin-bottom: var(--spacing-2);
  display: block;
}

.stat-label {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-medium);
  color: var(--text-secondary);
}

/* Section Styles */
section {
  padding: var(--spacing-20) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-16);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.section-title {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-black);
  margin-bottom: var(--spacing-6);
  color: var(--text-primary);
}

.section-description {
  font-size: var(--font-size-xl);
  color: var(--text-secondary);
  line-height: var(--line-height-relaxed);
}

.section-footer {
  text-align: center;
  margin-top: var(--spacing-12);
}

/* Grid Layouts */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-8);
}

.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-8);
}

/* Newsletter Section */
.newsletter {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.newsletter::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    radial-gradient(circle at 20% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
  background-size: 200px 200px;
}

.newsletter-content {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-12);
  align-items: center;
}

.newsletter-title {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-black);
  margin-bottom: var(--spacing-6);
  color: var(--white);
}

.newsletter-description {
  font-size: var(--font-size-lg);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-8);
  color: rgba(255, 255, 255, 0.9);
}

.newsletter-benefits {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3);
}

.benefit-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  color: rgba(255, 255, 255, 0.9);
}

.benefit-item svg {
  color: var(--accent-color);
  flex-shrink: 0;
}

.newsletter-form {
  background-color: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-2xl);
  padding: var(--spacing-8);
}

.newsletter-form .form-input {
  background-color: rgba(255, 255, 255, 0.9);
  border: none;
  color: var(--text-primary);
}

.newsletter-form .form-input::placeholder {
  color: var(--text-tertiary);
}

/* Testimonials Section */
.testimonials {
  background-color: var(--bg-secondary);
}

.testimonials-slider {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-8);
  margin-bottom: var(--spacing-8);
}

.testimonials-navigation {
  display: flex;
  justify-content: center;
  gap: var(--spacing-4);
}

.testimonial-prev,
.testimonial-next {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  color: var(--text-primary);
  cursor: pointer;
  transition: var(--transition-fast);
}

.testimonial-prev:hover,
.testimonial-next:hover {
  background-color: var(--secondary-color);
  color: var(--white);
  border-color: var(--secondary-color);
}

/* Footer */
.footer {
  background-color: var(--footer-bg);
  color: var(--footer-text);
  padding: var(--spacing-16) 0 var(--spacing-8);
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--spacing-12);
  margin-bottom: var(--spacing-12);
}

.footer-brand {
  max-width: 400px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  text-decoration: none;
  color: var(--white);
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-4);
}

.footer-description {
  color: var(--footer-text);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-6);
}

.social-links {
  display: flex;
  gap: var(--spacing-3);
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--footer-text);
  border-radius: var(--radius-lg);
  text-decoration: none;
  transition: var(--transition-fast);
}

.social-link:hover {
  background-color: var(--secondary-color);
  color: var(--white);
  text-decoration: none;
  transform: translateY(-2px);
}

.footer-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--white);
  margin-bottom: var(--spacing-6);
}

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

.footer-links li {
  margin-bottom: var(--spacing-3);
}

.footer-links a {
  color: var(--footer-text);
  text-decoration: none;
  transition: var(--transition-fast);
}

.footer-links a:hover {
  color: var(--white);
  text-decoration: none;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--spacing-8);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-copyright,
.footer-credits {
  font-size: var(--font-size-sm);
  color: var(--footer-text);
}

.footer-credits a {
  color: var(--secondary-color);
  text-decoration: none;
}

.footer-credits a:hover {
  text-decoration: underline;
}

/* Back to Top */
.back-to-top {
  position: fixed;
  bottom: var(--spacing-6);
  left: var(--spacing-6);
  width: 50px;
  height: 50px;
  background-color: var(--secondary-color);
  color: var(--white);
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: var(--transition-base);
  z-index: var(--z-fixed);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background-color: var(--secondary-dark);
  transform: translateY(-2px);
}