/* Reset & Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary-color: #ff6b35;
  --primary-dark: #e55a2b;
  --secondary-color: #2c3e50;
  --accent-color: #3498db;
  --text-primary: #2c3e50;
  --text-secondary: #7f8c8d;
  --text-light: #ffffff;
  --bg-primary: #ffffff;
  --bg-secondary: #f8f9fa;
  --bg-dark: #2c3e50;
  --border-color: #e9ecef;
  --shadow-light: 0 2px 10px rgba(0, 0, 0, 0.1);
  --shadow-medium: 0 4px 20px rgba(0, 0, 0, 0.15);
  --shadow-heavy: 0 8px 30px rgba(0, 0, 0, 0.2);
  --gradient-primary: linear-gradient(135deg, #ff6b35 0%, #f39c12 100%);
  --gradient-secondary: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
}

body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  overflow-x: hidden;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Loading Screen */
.loading-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  transition: opacity 0.5s ease;
}

.loading-content {
  text-align: center;
  color: white;
}

.loading-logo {
  width: 80px;
  height: 80px;
  margin-bottom: 20px;
  animation: pulse 2s infinite;
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 4px solid rgba(255, 255, 255, 0.3);
  border-top: 4px solid white;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 20px auto;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

@keyframes pulse {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.1);
  }
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  transition: all 0.3s ease;
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-light);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 20px;
  max-width: 1200px;
  margin: 0 auto;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-logo {
  width: 40px;
  height: 40px;
  border-radius: 8px;
}

.brand-text {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
}

.official-badge {
  background: var(--gradient-primary);
  color: white;
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav-link {
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 500;
  padding: 0.5rem 0;
  position: relative;
  transition: color 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary-color);
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width 0.3s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.download-header-btn {
  background: var(--gradient-primary);
  color: white;
  border: none;
  padding: 0.75rem 1.5rem;
  border-radius: 25px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-light);
  text-decoration: none;
}

.btn-icon-img {
  width: 20px;
  height: 20px;
  filter: brightness(0) invert(1);
}

.btn-icon-img-dark {
  width: 20px;
  height: 20px;
  opacity: 0.7;
}

.download-header-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
}

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.mobile-menu-btn span {
  width: 25px;
  height: 3px;
  background: var(--text-primary);
  margin: 3px 0;
  transition: 0.3s;
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  background: var(--gradient-primary);
  overflow: hidden;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0.1;
}

.hero-particles {
  position: absolute;
  width: 100%;
  height: 100%;
  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%);
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-20px);
  }
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-text {
  color: white;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.2);
  padding: 0.5rem 1rem;
  border-radius: 25px;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 2rem;
  backdrop-filter: blur(10px);
}

.badge-icon {
  font-size: 1.2rem;
}

.hero-title {
  margin-bottom: 1.5rem;
}

.title-main {
  display: block;
  font-size: 4rem;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 0.5rem;
}

.title-sub {
  display: block;
  font-size: 1.5rem;
  font-weight: 400;
  opacity: 0.9;
}

.hero-description {
  font-size: 1.2rem;
  margin-bottom: 2rem;
  opacity: 0.9;
  line-height: 1.6;
}

.hero-stats {
  display: flex;
  gap: 2rem;
  margin-bottom: 3rem;
}

.stat-item {
  text-align: center;
}

.stat-number {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.stat-label {
  font-size: 0.9rem;
  opacity: 0.8;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  margin-bottom: 3rem;
}

.btn-primary {
  background: white;
  color: var(--primary-color);
  border: none;
  padding: 1rem 2rem;
  border-radius: 50px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 1rem;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-medium);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-heavy);
}

.btn-text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.btn-text strong {
  font-size: 1.1rem;
}

.btn-text small {
  font-size: 0.8rem;
  opacity: 0.7;
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.2);
  color: white;
  border: 2px solid rgba(255, 255, 255, 0.3);
  padding: 1rem 2rem;
  border-radius: 50px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.3);
  border-color: rgba(255, 255, 255, 0.5);
}

.hero-features {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.feature-tag {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.2);
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.9rem;
  backdrop-filter: blur(10px);
}

.tag-icon {
  font-size: 1rem;
}

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

.phone-mockup {
  position: relative;
  z-index: 2;
  animation: phoneFloat 4s ease-in-out infinite;
}

@keyframes phoneFloat {
  0%, 100% {
    transform: translateY(0px) rotate(0deg);
  }
  50% {
    transform: translateY(-10px) rotate(1deg);
  }
}

.phone-frame {
  width: 280px;
  height: 560px;
  background: #1a1a1a;
  border-radius: 30px;
  padding: 20px;
  box-shadow: var(--shadow-heavy);
  position: relative;
}

.phone-frame::after {
  content: "";
  position: absolute;
  bottom: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 120px;
  height: 4px;
  background: #333;
  border-radius: 2px;
}

.phone-screen {
  width: 100%;
  height: 100%;
  background: #2c2c2c;
  border-radius: 20px;
  overflow: hidden;
  position: relative;
}

.app-screenshot {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.screen-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
}

.play-button {
  width: 60px;
  height: 60px;
  background: rgba(255, 255, 255, 0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
}

.play-button:hover {
  transform: scale(1.1);
  background: white;
}

.play-button span {
  font-size: 1.5rem;
  color: var(--primary-color);
  margin-left: 3px;
}

.phone-shadow {
  position: absolute;
  bottom: -20px;
  left: 50%;
  transform: translateX(-50%);
  width: 200px;
  height: 40px;
  background: rgba(0, 0, 0, 0.2);
  border-radius: 50%;
  filter: blur(20px);
}

.floating-elements {
  position: absolute;
  width: 100%;
  height: 100%;
}

.floating-card {
  position: absolute;
  background: white;
  padding: 1rem;
  border-radius: 15px;
  box-shadow: var(--shadow-medium);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  animation: floatCard 3s ease-in-out infinite;
}

.card-1 {
  top: 10%;
  left: -10%;
  animation-delay: 0s;
}

.card-2 {
  top: 50%;
  right: -10%;
  animation-delay: 1s;
}

.card-3 {
  bottom: 20%;
  left: -15%;
  animation-delay: 2s;
}

@keyframes floatCard {
  0%,
  100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-10px);
  }
}

.card-icon {
  font-size: 1.2rem;
}

.card-text {
  font-size: 0.9rem;
  color: var(--text-primary);
}

/* Features Section */
.features {
  padding: 100px 0;
  background: var(--bg-secondary);
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-title {
  font-size: 3rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.2rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.feature-card {
  background: white;
  padding: 2.5rem;
  border-radius: 20px;
  box-shadow: var(--shadow-light);
  transition: all 0.3s ease;
  border: 1px solid var(--border-color);
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-medium);
}

.feature-icon {
  margin-bottom: 1.5rem;
}

.icon-bg {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  background: var(--gradient-primary);
  border-radius: 15px;
  font-size: 1.5rem;
}

.feature-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.feature-description {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.feature-list {
  list-style: none;
}

.feature-list li {
  padding: 0.5rem 0;
  color: var(--text-secondary);
  position: relative;
  padding-left: 1.5rem;
}

.feature-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--primary-color);
  font-weight: bold;
}

/* Download Section */
.download-section {
  padding: 100px 0;
  background: var(--bg-primary);
}

.download-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.download-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

.download-logo {
  width: 60px;
  height: 60px;
  border-radius: 12px;
}

.download-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.download-subtitle {
  color: var(--text-secondary);
  font-size: 1.1rem;
}

.download-details {
  background: var(--bg-secondary);
  padding: 2rem;
  border-radius: 15px;
  margin-bottom: 2rem;
}

.detail-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border-color);
}

.detail-item:last-child {
  border-bottom: none;
}

.detail-label {
  font-weight: 600;
  color: var(--text-secondary);
}

.detail-value {
  font-weight: 600;
  color: var(--text-primary);
}

.download-actions {
  display: flex;
  gap: 1rem;
  margin-bottom: 2rem;
}

.btn-download {
  background: var(--gradient-primary);
  color: white;
  text-decoration: none;
  padding: 1rem 2rem;
  border-radius: 50px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 1rem;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-medium);
}

.btn-download:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-heavy);
}

.btn-qr {
  background: white;
  color: var(--text-primary);
  border: 2px solid var(--border-color);
  padding: 1rem 2rem;
  border-radius: 50px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.3s ease;
}

.btn-qr:hover {
  border-color: var(--primary-color);
  color: var(--primary-color);
}

.download-security {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.security-badge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(52, 152, 219, 0.1);
  color: var(--accent-color);
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 500;
}

.security-icon {
  font-size: 1rem;
}

/* Download Visual */
.download-phone {
  position: relative;
  display: flex;
  justify-content: center;
}

.download-phone .phone-frame {
  width: 300px;
  height: 600px;
  background: #1a1a1a;
  border-radius: 30px;
  padding: 20px;
  box-shadow: var(--shadow-heavy);
}

.download-phone .phone-screen {
  background: #2c2c2c;
  border-radius: 20px;
  padding: 0;
}

.phone-screen {
  background: #2c2c2c;
  border-radius: 20px;
  overflow: hidden;
  position: relative;
}

.app-interface {
  height: 100%;
  display: flex;
  flex-direction: column;
  background: #2c2c2c;
  position: relative;
}



.status-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.25rem 1rem;
  background: #1a1a1a;
  font-size: 0.7rem;
  color: white;
  height: 24px;
}

.status-time {
  font-weight: 600;
}

.status-indicators {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.status-indicators span {
  font-size: 0.6rem;
}

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem;
  background: #3c3c3c;
  border-bottom: 1px solid #4c4c4c;
}

.hamburger-menu {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.hamburger-menu span {
  width: 18px;
  height: 2px;
  background: white;
  border-radius: 1px;
}

.app-title {
  color: white;
  font-size: 1.2rem;
  font-weight: 600;
  text-align: center;
  flex: 1;
}

.menu-dots {
  display: flex;
  flex-direction: column;
  gap: 2px;
  align-items: center;
}

.menu-dots span {
  width: 3px;
  height: 3px;
  background: white;
  border-radius: 50%;
}

.category-list {
  flex: 1;
  padding: 0.5rem;
  overflow-y: auto;
}

.category-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: #3c3c3c;
  padding: 1rem;
  border-radius: 8px;
  margin-bottom: 0.5rem;
  border: 1px solid #4c4c4c;
  transition: all 0.2s ease;
  cursor: pointer;
}

.category-item:hover {
  background: #4c4c4c;
  border-color: #5c5c5c;
}

.category-thumbnail {
  width: 50px;
  height: 35px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.tv-thumb {
  background: linear-gradient(135deg, #e74c3c, #c0392b);
}

.sport-thumb {
  background: linear-gradient(135deg, #27ae60, #229954);
}

.derby-thumb {
  background: linear-gradient(135deg, #f39c12, #e67e22);
}

.cinema-thumb {
  background: linear-gradient(135deg, #8e44ad, #7d3c98);
}

.doc-thumb {
  background: linear-gradient(135deg, #3498db, #2980b9);
}

.news-thumb {
  background: linear-gradient(135deg, #34495e, #2c3e50);
}

.category-icon {
  font-size: 1.2rem;
  color: white;
}

.category-name {
  color: white;
  font-weight: 500;
  flex: 1;
  font-size: 1rem;
}

.category-arrow {
  color: #bdc3c7;
  font-size: 0.8rem;
}

.bottom-nav {
  display: flex;
  justify-content: space-around;
  align-items: center;
  background: #1a1a1a;
  padding: 0.75rem 0;
  border-top: 1px solid #4c4c4c;
}

.nav-item {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
}

.nav-icon {
  color: #bdc3c7;
  font-size: 1rem;
}

/* Support Section */
.support {
  padding: 100px 0;
  background: var(--bg-secondary);
}

.support-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

.faq-list {
  background: white;
  border-radius: 15px;
  overflow: hidden;
  box-shadow: var(--shadow-light);
}

.faq-item {
  border-bottom: 1px solid var(--border-color);
}

.faq-item:last-child {
  border-bottom: none;
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem;
  cursor: pointer;
  transition: background 0.3s ease;
}

.faq-question:hover {
  background: var(--bg-secondary);
}

.faq-question h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.faq-toggle {
  font-size: 1.5rem;
  color: var(--primary-color);
  transition: transform 0.3s ease;
}

.faq-item.active .faq-toggle {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: all 0.3s ease;
}

.faq-item.active .faq-answer {
  max-height: 200px;
  padding: 0 1.5rem 1.5rem;
}

.faq-answer p {
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Contact Section */
.contact-section {
  display: flex;
  justify-content: center;
  align-items: flex-start;
}

.contact-card {
  background: white;
  border-radius: 20px;
  padding: 2.5rem;
  box-shadow: var(--shadow-light);
  max-width: 400px;
  width: 100%;
  transition: all 0.3s ease;
}

.contact-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-medium);
}

.contact-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
  text-align: left;
}

.contact-logo {
  width: 50px;
  height: 50px;
  border-radius: 10px;
  flex-shrink: 0;
}

.contact-header h3 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}

.contact-card > p {
  color: var(--text-secondary);
  margin-bottom: 2rem;
  line-height: 1.6;
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.contact-method {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  background: var(--bg-secondary);
  border-radius: 12px;
  transition: all 0.3s ease;
}

.contact-method:hover {
  background: rgba(52, 152, 219, 0.1);
  transform: translateX(5px);
}

.method-icon {
  font-size: 1.5rem;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-color);
  border-radius: 50%;
  flex-shrink: 0;
}

.method-info {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.method-info strong {
  color: var(--text-primary);
  font-weight: 600;
}

.method-info span {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.contact-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-color);
}

.stat-item {
  text-align: center;
}

.stat-item .stat-number {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.25rem;
}

.stat-item .stat-label {
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 500;
}

.installation-guide {
  padding: 100px 0;
  background: var(--bg-secondary);
}

.guide-steps {
  display: flex;
  flex-direction: column;
  gap: 4rem;
}

.step-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  background: white;
  padding: 3rem;
  border-radius: 20px;
  box-shadow: var(--shadow-light);
  transition: all 0.3s ease;
}

.step-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-medium);
}

.step-item:nth-child(even) {
  direction: rtl;
}

.step-item:nth-child(even) .step-content {
  direction: ltr;
}

.step-content {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.step-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.step-number {
  width: 50px;
  height: 50px;
  background: var(--gradient-primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.2rem;
  flex-shrink: 0;
  box-shadow: var(--shadow-light);
}

.step-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
}

.step-description {
  color: var(--text-secondary);
  line-height: 1.7;
  font-size: 1.1rem;
  margin: 0;
}

.step-warning,
.step-info,
.step-success,
.step-tip {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem;
  border-radius: 12px;
  font-weight: 500;
}

.step-warning {
  background: rgba(231, 76, 60, 0.1);
  color: #c0392b;
  border: 1px solid rgba(231, 76, 60, 0.2);
}

.step-info {
  background: rgba(52, 152, 219, 0.1);
  color: #2980b9;
  border: 1px solid rgba(52, 152, 219, 0.2);
}

.step-success {
  background: rgba(39, 174, 96, 0.1);
  color: #27ae60;
  border: 1px solid rgba(39, 174, 96, 0.2);
}

.step-tip {
  background: rgba(243, 156, 18, 0.1);
  color: #f39c12;
  border: 1px solid rgba(243, 156, 18, 0.2);
}

.step-image {
  display: flex;
  justify-content: center;
  align-items: center;
}

.phone-mockup-small {
  position: relative;
  width: 200px;
  height: 400px;
  background: #1a1a1a;
  border-radius: 25px;
  padding: 15px;
  box-shadow: var(--shadow-heavy);
}

.phone-mockup-small::after {
  content: "";
  position: absolute;
  bottom: 6px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 3px;
  background: #333;
  border-radius: 2px;
}

.step-screenshot {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 15px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

/* About Section */
.about {
  padding: 100px 0;
  background: var(--bg-primary);
}

.about-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
}

.about-description {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 3rem;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.stat-card {
  background: var(--bg-secondary);
  padding: 1.5rem;
  border-radius: 15px;
  text-align: center;
  transition: all 0.3s ease;
}

.stat-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-light);
}

.stat-card .stat-number {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

.stat-card .stat-label {
  color: var(--text-secondary);
  font-weight: 500;
}

.about-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.about-logo {
  width: 200px;
  height: 200px;
  animation: pulse 3s infinite;
}

/* Footer */
.footer {
  background: var(--bg-dark);
  color: white;
  padding: 4rem 0 2rem;
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 4rem;
  margin-bottom: 3rem;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-logo {
  width: 60px;
  height: 60px;
  border-radius: 12px;
}

.footer-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
}

.footer-description {
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.6;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.link-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: white;
}

.link-list {
  list-style: none;
}

.link-list li {
  margin-bottom: 0.5rem;
}

.link-list a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: color 0.3s ease;
}

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-copyright {
  color: rgba(255, 255, 255, 0.7);
}

.footer-social {
  display: flex;
  gap: 1rem;
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  text-decoration: none;
  font-size: 1.2rem;
  transition: all 0.3s ease;
}

.social-link:hover {
  background: var(--primary-color);
  transform: translateY(-2px);
}

/* Modal */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  z-index: 10000;
  align-items: center;
  justify-content: center;
}

.modal-content {
  background: white;
  border-radius: 20px;
  max-width: 400px;
  width: 90%;
  max-height: 80vh;
  overflow-y: auto;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 2rem 2rem 1rem;
  border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
}

.modal-close {
  background: none;
  border: none;
  font-size: 2rem;
  cursor: pointer;
  color: var(--text-secondary);
  padding: 0;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-close:hover {
  color: var(--text-primary);
}

.modal-body {
  padding: 2rem;
  text-align: center;
}

.qr-code {
  margin-bottom: 1.5rem;
}

.qr-placeholder {
  width: 200px;
  height: 200px;
  background: var(--bg-secondary);
  border: 2px dashed var(--border-color);
  border-radius: 10px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
  color: var(--text-secondary);
}

.qr-placeholder span {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.qr-icon {
  width: 40px;
  height: 40px;
  margin-bottom: 0.5rem;
  opacity: 0.6;
}

.info-icon-img {
  width: 24px;
  height: 24px;
  opacity: 0.8;
}

.qr-instruction {
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .hero-content,
  .download-content,
  .about-content,
  .support-content {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .hero-visual {
    order: -1;
  }

  .floating-elements {
    display: none;
  }

  .features-grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  }

  .step-item {
    grid-template-columns: 1fr;
    gap: 2rem;
    text-align: center;
  }

  .step-item:nth-child(even) {
    direction: ltr;
  }

  .phone-mockup-small {
    width: 180px;
    height: 360px;
  }

  .contact-card {
    padding: 2rem;
    margin: 0 1rem;
  }

  .contact-stats {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
}

@media (max-width: 768px) {
  .mobile-menu-btn {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: 100%;
    left: 0;
    width: 100%;
    background: white;
    flex-direction: column;
    padding: 2rem;
    box-shadow: var(--shadow-medium);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
  }

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

  .nav-menu li {
    margin-bottom: 1rem;
  }

  .download-header-btn {
    display: none;
  }

  .title-main {
    font-size: 2.5rem;
  }

  .title-sub {
    font-size: 1.2rem;
  }

  .hero-stats {
    flex-wrap: wrap;
    gap: 1rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-features {
    justify-content: center;
  }

  .phone-frame {
    width: 240px;
    height: 480px;
  }

  .section-title {
    font-size: 2rem;
  }

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

  .download-actions {
    flex-direction: column;
  }

  .step-item {
    padding: 2rem;
  }

  .step-header {
    flex-direction: column;
    text-align: center;
    gap: 0.5rem;
  }

  .step-title {
    font-size: 1.3rem;
  }

  .phone-mockup-small {
    width: 160px;
    height: 320px;
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-links {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 15px;
  }

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

  .title-main {
    font-size: 2rem;
  }

  .hero-description {
    font-size: 1rem;
  }

  .phone-frame {
    width: 200px;
    height: 400px;
  }

  .section-title {
    font-size: 1.8rem;
  }

  .feature-card {
    padding: 2rem;
  }

  .step-item {
    padding: 1.5rem;
  }

  .step-title {
    font-size: 1.2rem;
  }

  .step-description {
    font-size: 1rem;
  }

  .phone-mockup-small {
    width: 140px;
    height: 280px;
  }

  .about-stats {
    grid-template-columns: 1fr;
  }

  .footer-links {
    grid-template-columns: 1fr;
  }

  .contact-card {
    padding: 1.5rem;
    margin: 0 0.5rem;
  }

  .contact-header {
    flex-direction: column;
    text-align: center;
    gap: 0.75rem;
  }

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

  .contact-header h3 {
    font-size: 1.25rem;
  }

  .contact-method {
    padding: 0.75rem;
  }

  .method-icon {
    width: 35px;
    height: 35px;
    font-size: 1.25rem;
  }
}

/* Enhanced Blog Post Styles */
.blog-post {
  padding: 40px 0 80px;
  background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
  min-height: 100vh;
}

.blog-post .container {
  max-width: 900px;
}

.post-content {
  background: white;
  border-radius: 20px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  border: 1px solid var(--border-color);
}

.post-header {
  padding: 3rem;
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
  color: white;
  position: relative;
  overflow: hidden;
}

.post-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 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%);
  opacity: 0.3;
}

.post-header > * {
  position: relative;
  z-index: 2;
}

.post-header h1 {
  font-size: 2.8rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1.5rem;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  color: white;
}

.post-body {
  padding: 3rem;
  line-height: 1.8;
  font-size: 1.1rem;
}

/* Enhanced Typography */
.post-body h2 {
  color: var(--text-primary);
  margin: 3rem 0 1.5rem;
  font-size: 2rem;
  font-weight: 700;
  position: relative;
  padding-left: 1rem;
  border-left: 4px solid var(--primary-color);
  background: linear-gradient(90deg, rgba(255, 107, 53, 0.1) 0%, transparent 100%);
  padding: 1rem 1rem 1rem 2rem;
  border-radius: 0 10px 10px 0;
}

.post-body h3 {
  color: var(--text-primary);
  margin: 2rem 0 1rem;
  font-size: 1.5rem;
  font-weight: 600;
  position: relative;
  padding-left: 1.5rem;
}

.post-body h3::before {
  content: '▶';
  position: absolute;
  left: 0;
  color: var(--primary-color);
  font-size: 0.8em;
}

.post-body h4 {
  color: var(--text-primary);
  margin: 1.5rem 0 0.75rem;
  font-size: 1.2rem;
  font-weight: 600;
}

.post-body p {
  margin-bottom: 1.5rem;
  color: var(--text-secondary);
  text-align: justify;
  line-height: 1.8;
}

.post-body p:first-of-type {
  font-size: 1.2rem;
  font-weight: 500;
  color: var(--text-primary);
  background: var(--bg-secondary);
  padding: 1.5rem;
  border-radius: 10px;
  border-left: 4px solid var(--primary-color);
}

/* Enhanced Lists */
.post-body ul, .post-body ol {
  margin-bottom: 2rem;
  padding-left: 0;
}

.post-body li {
  margin-bottom: 0.75rem;
  color: var(--text-secondary);
  position: relative;
  padding-left: 2rem;
  line-height: 1.6;
}

.post-body ul li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--primary-color);
  font-weight: bold;
  font-size: 1.1em;
}

.post-body ol {
  counter-reset: list-counter;
}

.post-body ol li {
  counter-increment: list-counter;
}

.post-body ol li::before {
  content: counter(list-counter);
  position: absolute;
  left: 0;
  background: var(--primary-color);
  color: white;
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: bold;
  top: 0.1rem;
}

/* Enhanced Links */
.post-body a {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 600;
  position: relative;
  transition: all 0.3s ease;
}

.post-body a:hover {
  color: var(--primary-dark);
}

.post-body a.internal-link {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  color: white;
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  text-decoration: none;
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.3s ease;
  box-shadow: 0 2px 8px rgba(255, 107, 53, 0.3);
}

.post-body a.internal-link:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(255, 107, 53, 0.4);
}

.post-body a.internal-link::after {
  content: '→';
  font-weight: bold;
}

/* Enhanced Content Elements */
.post-body blockquote {
  background: var(--bg-secondary);
  border-left: 4px solid var(--primary-color);
  padding: 1.5rem;
  margin: 2rem 0;
  border-radius: 0 10px 10px 0;
  font-style: italic;
  position: relative;
}

.post-body blockquote::before {
  content: '"';
  font-size: 4rem;
  color: var(--primary-color);
  position: absolute;
  top: -0.5rem;
  left: 1rem;
  opacity: 0.3;
}

.post-body code {
  background: #f1f3f4;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  font-family: 'Courier New', monospace;
  font-size: 0.9em;
  color: #d63384;
  border: 1px solid #e9ecef;
}

.post-body pre {
  background: #2d3748;
  color: #e2e8f0;
  padding: 1.5rem;
  border-radius: 10px;
  overflow-x: auto;
  margin: 2rem 0;
  border: 1px solid #4a5568;
}

.post-body pre code {
  background: none;
  padding: 0;
  border: none;
  color: inherit;
}

.post-body img {
  max-width: 100%;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  margin: 2rem 0;
}

/* Enhanced Tables */
.post-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 2rem 0;
  background: white;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.post-body th {
  background: var(--primary-color);
  color: white;
  padding: 1rem;
  text-align: left;
  font-weight: 600;
}

.post-body td {
  padding: 1rem;
  border-bottom: 1px solid var(--border-color);
  vertical-align: top;
}

.post-body tr:last-child td {
  border-bottom: none;
}

.post-body tr:nth-child(even) {
  background: var(--bg-secondary);
}

/* Special Blog Components */
.warning-box {
  background: linear-gradient(135deg, #fff3cd 0%, #ffeaa7 100%);
  border: 1px solid #ffc107;
  border-radius: 10px;
  padding: 1.5rem;
  margin: 2rem 0;
  position: relative;
}

.warning-box::before {
  content: '⚠️';
  font-size: 1.5rem;
  position: absolute;
  top: 1rem;
  left: 1rem;
}

.warning-box h4 {
  margin: 0 0 1rem 2.5rem;
  color: #856404;
  font-weight: 600;
}

.warning-box p {
  margin: 0 0 0 2.5rem;
  color: #856404;
}

.success-box {
  background: linear-gradient(135deg, #d4edda 0%, #a3d977 100%);
  border: 1px solid #28a745;
  border-radius: 10px;
  padding: 1.5rem;
  margin: 2rem 0;
  position: relative;
}

.success-box::before {
  content: '✅';
  font-size: 1.5rem;
  position: absolute;
  top: 1rem;
  left: 1rem;
}

.success-box h4 {
  margin: 0 0 1rem 2.5rem;
  color: #155724;
  font-weight: 600;
}

.success-box p {
  margin: 0 0 0 2.5rem;
  color: #155724;
}

.info-box-blue {
  background: linear-gradient(135deg, #cce7ff 0%, #74b9ff 100%);
  border: 1px solid #007bff;
  border-radius: 10px;
  padding: 1.5rem;
  margin: 2rem 0;
  position: relative;
}

.info-box-blue::before {
  content: 'ℹ️';
  font-size: 1.5rem;
  position: absolute;
  top: 1rem;
  left: 1rem;
}

.info-box-blue h4 {
  margin: 0 0 1rem 2.5rem;
  color: #004085;
  font-weight: 600;
}

.info-box-blue p {
  margin: 0 0 0 2.5rem;
  color: #004085;
}

.download-btn {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  color: white;
  padding: 1rem 2rem;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
  box-shadow: 0 4px 20px rgba(255, 107, 53, 0.3);
  margin: 2rem 0;
}

.download-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(255, 107, 53, 0.4);
  color: white;
}

.btn-icon {
  font-size: 1.2rem;
}

.cta-section {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  color: white;
  padding: 3rem;
  border-radius: 20px;
  text-align: center;
  margin: 3rem 0;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 30% 70%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
  opacity: 0.5;
}

.cta-section > * {
  position: relative;
  z-index: 2;
}

.cta-section h2 {
  margin-bottom: 1rem;
  font-size: 2rem;
  color: white;
  background: none;
  border: none;
  padding: 0;
}

.cta-section p {
  margin-bottom: 2rem;
  opacity: 0.9;
  font-size: 1.1rem;
}

.related-posts {
  background: var(--bg-secondary);
  padding: 3rem;
  border-radius: 20px;
  margin-top: 4rem;
}

.related-posts h3 {
  text-align: center;
  margin-bottom: 2rem;
  color: var(--text-primary);
  font-size: 1.8rem;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.related-card {
  background: white;
  padding: 2rem;
  border-radius: 15px;
  text-decoration: none;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  border: 1px solid var(--border-color);
}

.related-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.related-card h4 {
  color: var(--text-primary);
  margin-bottom: 1rem;
  font-size: 1.1rem;
  font-weight: 600;
}

.related-card p {
  color: var(--text-secondary);
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.5;
}

/* Step-by-step guides */
.step-guide {
  margin: 3rem 0;
}

.step-item-detailed {
  background: white;
  border: 1px solid var(--border-color);
  border-radius: 15px;
  margin-bottom: 2rem;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.step-header {
  background: var(--bg-secondary);
  padding: 1.5rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 1rem;
}

.step-number-detailed {
  background: var(--primary-color);
  color: white;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 1.1rem;
}

.step-title {
  color: var(--text-primary);
  margin: 0;
  font-size: 1.3rem;
  font-weight: 600;
}

.step-content-detailed {
  padding: 2rem;
}

.step-description {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.step-warning {
  background: #fff3cd;
  border: 1px solid #ffc107;
  border-radius: 8px;
  padding: 1rem;
  margin-top: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.warning-icon {
  font-size: 1.2rem;
}

.step-info {
  background: #cce7ff;
  border: 1px solid #007bff;
  border-radius: 8px;
  padding: 1rem;
  margin-top: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.info-icon {
  font-size: 1.2rem;
}

.step-success {
  background: #d4edda;
  border: 1px solid #28a745;
  border-radius: 8px;
  padding: 1rem;
  margin-top: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.success-icon {
  font-size: 1.2rem;
}

/* Responsive Blog Styles */
@media (max-width: 768px) {
  .post-header {
    padding: 2rem;
  }

  .post-header h1 {
    font-size: 2rem;
  }

  .post-body {
    padding: 2rem;
    font-size: 1rem;
  }

  .post-body h2 {
    font-size: 1.5rem;
    padding: 0.75rem 0.75rem 0.75rem 1.5rem;
  }

  .post-body h3 {
    font-size: 1.3rem;
  }

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

  .cta-section {
    padding: 2rem;
  }

  .related-posts {
    padding: 2rem;
  }

  .step-content-detailed {
    padding: 1.5rem;
  }

  .step-header {
    padding: 1rem;
  }
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-up {
  animation: fadeInUp 0.6s ease forwards;
}

/* Utility Classes */
.text-center {
  text-align: center;
}
.text-left {
  text-align: left;
}
.text-right {
  text-align: right;
}

.mb-1 {
  margin-bottom: 0.5rem;
}
.mb-2 {
  margin-bottom: 1rem;
}
.mb-3 {
  margin-bottom: 1.5rem;
}
.mb-4 {
  margin-bottom: 2rem;
}

.mt-1 {
  margin-top: 0.5rem;
}
.mt-2 {
  margin-top: 1rem;
}
.mt-3 {
  margin-top: 1.5rem;
}
.mt-4 {
  margin-top: 2rem;
}

.hidden {
  display: none;
}
.visible {
  display: block;
}

/* Loading States */
.loading {
  opacity: 0.7;
  pointer-events: none;
}

.skeleton {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: loading 1.5s infinite;
}

@keyframes loading {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

/* Blog Section Styles */
.blog {
  padding: 80px 0;
  background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
  position: relative;
}

/* Featured Article Styles */
.blog-featured-article {
  background: white;
  border-radius: 20px;
  padding: 40px;
  margin: 40px 0 60px 0;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  position: relative;
  overflow: hidden;
}

.blog-featured-article::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #ff6b35, #667eea, #764ba2);
}

.featured-article-header {
  margin-bottom: 30px;
  padding-bottom: 20px;
  border-bottom: 2px solid #f8f9fa;
}

.featured-article-title {
  font-size: 2.2rem;
  font-weight: 800;
  color: #2c3e50;
  margin: 0 0 15px 0;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.featured-article-meta {
  display: flex;
  gap: 20px;
  align-items: center;
  flex-wrap: wrap;
}

.featured-article-meta .meta-item {
  font-size: 0.9rem;
  color: #666;
  display: flex;
  align-items: center;
  gap: 5px;
}

.featured-article-content {
  line-height: 1.8;
  color: #444;
}

.featured-article-content h3 {
  font-size: 1.6rem;
  color: #2c3e50;
  margin: 0 0 20px 0;
  font-weight: 700;
}

.featured-article-content h4 {
  font-size: 1.3rem;
  color: #34495e;
  margin: 30px 0 15px 0;
  font-weight: 600;
}

.featured-article-content h5 {
  font-size: 1.1rem;
  color: #34495e;
  margin: 20px 0 10px 0;
  font-weight: 600;
}

.featured-article-content p {
  margin-bottom: 20px;
  font-size: 1rem;
  line-height: 1.7;
}

.feature-highlights {
  background: #f8f9fa;
  padding: 25px;
  border-radius: 15px;
  margin: 25px 0;
  border-left: 4px solid #ff6b35;
}

.feature-list-article {
  list-style: none;
  padding: 0;
  margin: 15px 0 0 0;
}

.feature-list-article li {
  padding: 8px 0;
  font-size: 1rem;
  color: #444;
}

.download-steps {
  background: #e8f4fd;
  padding: 20px 25px;
  border-radius: 10px;
  margin: 20px 0;
  border-left: 4px solid #667eea;
}

.download-steps li {
  margin-bottom: 10px;
  font-weight: 500;
}

.comparison-table {
  margin: 25px 0;
  overflow-x: auto;
}

.comparison-table table {
  width: 100%;
  border-collapse: collapse;
  background: white;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.comparison-table th,
.comparison-table td {
  padding: 15px;
  text-align: left;
  border-bottom: 1px solid #f0f0f0;
}

.comparison-table th {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  font-weight: 600;
  text-align: center;
}

.comparison-table td {
  text-align: center;
  font-weight: 500;
}

.comparison-table tr:hover {
  background: #f8f9fa;
}

.internal-link {
  color: #ff6b35;
  text-decoration: none;
  font-weight: 600;
  border-bottom: 2px solid transparent;
  transition: all 0.3s ease;
}

.internal-link:hover {
  border-bottom-color: #ff6b35;
  color: #e55a2b;
}

.external-link {
  color: #667eea;
  text-decoration: none;
  font-weight: 600;
  border-bottom: 2px solid transparent;
  transition: all 0.3s ease;
}

.external-link:hover {
  border-bottom-color: #667eea;
  color: #5a6fd8;
}

.article-tags {
  margin-top: 30px;
  padding-top: 20px;
  border-top: 2px solid #f8f9fa;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tag {
  background: linear-gradient(135deg, #ff6b35, #ff8c42);
  color: white;
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 500;
  text-transform: lowercase;
}

.blog::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="%23000" opacity="0.02"/><circle cx="75" cy="75" r="1" fill="%23000" opacity="0.02"/><circle cx="50" cy="10" r="1" fill="%23000" opacity="0.02"/><circle cx="10" cy="90" r="1" fill="%23000" opacity="0.02"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
  pointer-events: none;
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.blog-card {
  background: white;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  position: relative;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.blog-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.blog-card.featured {
  grid-column: span 2;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
}

.blog-card.featured .blog-category {
  background: rgba(255, 255, 255, 0.2);
  color: white;
}

.blog-card.featured .blog-title a {
  color: white;
}

.blog-card.featured .blog-excerpt {
  color: rgba(255, 255, 255, 0.9);
}

.blog-card.featured .meta-item {
  color: rgba(255, 255, 255, 0.8);
}

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

.blog-card.featured .blog-image {
  height: 250px;
}

.blog-thumbnail {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.blog-card:hover .blog-thumbnail {
  transform: scale(1.1);
}

.blog-category {
  position: absolute;
  top: 15px;
  left: 15px;
  background: #ff6b35;
  color: white;
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.blog-content {
  padding: 25px;
}

.blog-title {
  margin: 0 0 15px 0;
  font-size: 1.3rem;
  font-weight: 700;
  line-height: 1.4;
}

.blog-card.featured .blog-title {
  font-size: 1.6rem;
}

.blog-title a {
  color: #2c3e50;
  text-decoration: none;
  transition: color 0.3s ease;
}

.blog-title a:hover {
  color: #ff6b35;
}

.blog-excerpt {
  color: #666;
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 20px;
}

.blog-meta {
  display: flex;
  gap: 15px;
  align-items: center;
}

.meta-item {
  font-size: 0.85rem;
  color: #888;
  display: flex;
  align-items: center;
  gap: 5px;
}

.blog-actions {
  text-align: center;
  margin-top: 50px;
}

.btn-blog-more {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: 15px 30px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  transition: all 0.3s ease;
  box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
}

.btn-blog-more:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 40px rgba(102, 126, 234, 0.4);
  color: white;
}

.btn-blog-more .btn-icon {
  font-size: 1.2rem;
}

/* Responsive Design for Blog Section */
@media (max-width: 768px) {
  .blog {
    padding: 60px 0;
  }

  .blog-featured-article {
    padding: 25px;
    margin: 30px 0 40px 0;
  }

  .featured-article-title {
    font-size: 1.8rem;
  }

  .featured-article-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .featured-article-content h3 {
    font-size: 1.4rem;
  }

  .featured-article-content h4 {
    font-size: 1.2rem;
  }

  .feature-highlights {
    padding: 20px;
  }

  .download-steps {
    padding: 15px 20px;
  }

  .comparison-table {
    font-size: 0.9rem;
  }

  .comparison-table th,
  .comparison-table td {
    padding: 10px 8px;
  }

  .article-tags {
    justify-content: center;
  }

  .tag {
    font-size: 0.75rem;
    padding: 5px 10px;
  }

  .blog-grid {
    grid-template-columns: 1fr;
    gap: 20px;
    margin-top: 30px;
  }

  .blog-card.featured {
    grid-column: span 1;
  }

  .blog-card.featured .blog-image {
    height: 200px;
  }

  .blog-card.featured .blog-title {
    font-size: 1.4rem;
  }

  .blog-content {
    padding: 20px;
  }

  .blog-title {
    font-size: 1.2rem;
  }

  .blog-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
}