:root {
  --bg-color: #050505;
  --text-color: #f3f4f6;
  --text-muted: #9ca3af;
  --accent-color: #3b82f6;
  --accent-hover: #2563eb;
  --gradient-primary: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
  --card-bg: rgba(255, 255, 255, 0.03);
  --card-border: rgba(255, 255, 255, 0.08);
  --glass-bg: rgba(5, 5, 5, 0.7);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

body {
  background-color: var(--bg-color);
  color: var(--text-color);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Background Effect */
.bg-glow {
  position: absolute;
  top: -20%;
  left: 50%;
  transform: translateX(-50%);
  width: 100vw;
  height: 60vh;
  background: radial-gradient(circle, rgba(59,130,246,0.15) 0%, rgba(5,5,5,0) 70%);
  z-index: -1;
}

/* Navigation */
header {
  position: fixed;
  top: 0;
  width: 100%;
  padding: 1rem 5%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--card-border);
  z-index: 100;
  transition: all 0.3s ease;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-decoration: none;
}

.desktop-nav {
  display: flex;
  gap: 2rem;
}

.desktop-nav a {
  color: var(--text-color);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
}

.desktop-nav a:hover {
  color: var(--accent-color);
}

.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: 99px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  cursor: pointer;
  text-align: center;
}

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  border: none;
  box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4);
}

.btn-outline {
  border: 1px solid var(--card-border);
  color: var(--text-color);
  background: transparent;
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.05);
  transform: translateY(-2px);
}

/* Layout */
section {
  padding: 5rem 5%;
  max-width: 1200px;
  margin: 0 auto;
}

.section-title {
  text-align: center;
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.section-subtitle {
  text-align: center;
  color: var(--text-muted);
  margin-bottom: 3rem;
  font-size: 1.1rem;
}

/* Hero Section */
.hero {
  padding-top: 10rem;
  padding-bottom: 6rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 4rem;
}

.hero-content {
  flex: 1;
  max-width: 600px;
}

.hero-content h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.hero-content h1 span {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-content p {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--text-muted);
  margin: 0 0 2.5rem 0;
}

.hero-content .cta-group {
  display: flex;
  gap: 1rem;
  justify-content: flex-start;
}

/* Hero Graphic Animations */
.hero-graphic {
  flex: 1;
  position: relative;
  height: 400px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.floating-card {
  position: absolute;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 1rem 1.5rem;
  border-radius: 16px;
  display: flex;
  align-items: center;
  gap: 1rem;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 10px 30px rgba(0,0,0,0.3);
  animation: float 6s ease-in-out infinite;
  z-index: 2;
  white-space: nowrap;
}

.floating-card .icon {
  font-size: 2rem;
}

.floating-card .info strong {
  display: block;
  font-size: 1rem;
  color: #fff;
  line-height: 1.2;
  margin-bottom: 0.2rem;
}

.floating-card .info span {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.card-1 {
  top: 5%;
  left: 0;
  animation-delay: 0s;
}

.card-2 {
  top: 40%;
  right: 0;
  animation-delay: -2s;
}

.card-3 {
  bottom: 5%;
  left: 15%;
  animation-delay: -4s;
}

.globe-bg {
  position: absolute;
  width: 250px;
  height: 250px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(59,130,246,0.4) 0%, rgba(5,5,5,0) 70%);
  animation: pulse 4s ease-in-out infinite;
  z-index: 1;
}

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

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 0.8; }
  50% { transform: scale(1.1); opacity: 0.5; }
}

/* Advantages Grid */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 20px;
  padding: 2rem;
  transition: all 0.3s ease;
}

.card:hover {
  transform: translateY(-5px);
  border-color: rgba(255, 255, 255, 0.15);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.card-icon {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
  display: inline-block;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.card h3 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

.card p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Streaming & AI Support */
.support-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.5rem;
}

.support-tag {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  padding: 1rem 2rem;
  border-radius: 12px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.3s ease;
}

.support-tag:hover {
  background: rgba(255, 255, 255, 0.05);
  transform: scale(1.05);
}

/* Pricing */
.pricing-card {
  text-align: center;
  position: relative;
}

.pricing-card.popular {
  border-color: var(--accent-color);
  box-shadow: 0 0 20px rgba(59, 130, 246, 0.1);
}

.popular-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-primary);
  color: white;
  padding: 0.25rem 1rem;
  border-radius: 99px;
  font-size: 0.8rem;
  font-weight: 700;
}

.price {
  font-size: 3rem;
  font-weight: 800;
  margin: 1.5rem 0;
}

.price span {
  font-size: 1rem;
  color: var(--text-muted);
  font-weight: normal;
}

.pricing-features {
  list-style: none;
  margin: 2rem 0;
  text-align: left;
}

.pricing-features li {
  margin-bottom: 1rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.pricing-features li::before {
  content: '✓';
  color: var(--accent-color);
  font-weight: bold;
}

.pricing-card .btn {
  width: 100%;
}

/* Article Cards */
.article-card {
  display: block;
  text-decoration: none;
  color: var(--text-color);
  padding: 0;
  overflow: hidden;
  border-radius: 20px;
}

.article-card:hover {
  transform: translateY(-5px);
  border-color: rgba(255, 255, 255, 0.2);
}

.article-img {
  width: 100%;
  height: 180px;
  background-size: cover;
  background-position: center;
}

.img-gradient-1 { background: linear-gradient(135deg, #FF6B6B 0%, #FF8E53 100%); }
.img-gradient-2 { background: linear-gradient(135deg, #4FACFE 0%, #00F2FE 100%); }
.img-gradient-3 { background: linear-gradient(135deg, #43E97B 0%, #38F9D7 100%); }
.img-gradient-4 { background: linear-gradient(135deg, #FA709A 0%, #FEE140 100%); }
.img-gradient-5 { background: linear-gradient(135deg, #30CFD0 0%, #330867 100%); }
.img-gradient-6 { background: linear-gradient(135deg, #5EE7DF 0%, #B490CA 100%); }
.img-gradient-7 { background: linear-gradient(135deg, #667EEA 0%, #764BA2 100%); }
.img-gradient-8 { background: linear-gradient(135deg, #FDFBFB 0%, #EBEDEE 100%); }
.img-gradient-9 { background: linear-gradient(135deg, #A18CD1 0%, #FBC2EB 100%); }

.article-content {
  padding: 1.5rem;
}

.article-content h3 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
  line-height: 1.4;
  color: #fff;
}

.article-content p {
  color: var(--text-muted);
  font-size: 0.85rem;
  line-height: 1.5;
  margin: 0;
}

/* Reviews */
.review-card {
  padding: 2rem;
}

.review-stars {
  color: #fbbf24;
  margin-bottom: 1rem;
}

.review-text {
  font-style: italic;
  margin-bottom: 1.5rem;
  color: var(--text-color);
}

.review-author {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.author-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
}

.author-info h4 {
  font-size: 0.9rem;
}

.author-info p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* FAQ */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--card-border);
  padding: 1.5rem 0;
}

.faq-question {
  font-weight: 600;
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.faq-answer {
  color: var(--text-muted);
}

/* Footer */
footer {
  border-top: 1px solid var(--card-border);
  padding: 3rem 5%;
  margin-top: 5rem;
  text-align: center;
  background: rgba(0,0,0,0.2);
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-links a:hover {
  color: var(--text-color);
}

.copyright {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Subpages Container */
.page-container {
  padding-top: 8rem;
  max-width: 800px;
  margin: 0 auto;
  min-height: 80vh;
}

.page-container h1 {
  font-size: 2.5rem;
  margin-bottom: 2rem;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.page-content {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 20px;
  padding: 3rem;
}

.page-content h2 {
  margin-top: 2rem;
  margin-bottom: 1rem;
  font-size: 1.5rem;
}

.page-content p {
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.page-content ul {
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  padding-left: 1.5rem;
}

.page-content li {
  margin-bottom: 0.5rem;
}

/* Responsive */
@media (max-width: 992px) {
  .desktop-nav {
    display: none;
  }

  .hero {
    flex-direction: column;
    text-align: center;
    gap: 2rem;
  }
  
  .hero-content p {
    margin: 0 auto 2.5rem auto;
  }
  
  .hero-content .cta-group {
    justify-content: center;
  }

  .hero-graphic {
    width: 100%;
    margin-top: 2rem;
  }
}

@media (max-width: 768px) {
  header {
    padding: 1rem 5%;
  }
  
  .hero {
    padding-top: 8rem;
  }
  
  .hero-content .cta-group {
    flex-direction: column;
  }
  
  section {
    padding: 3rem 5%;
  }
  
  .footer-links {
    flex-direction: column;
    gap: 1rem;
  }
  
  .page-content {
    padding: 1.5rem;
  }
}