:root {
  --primary-color: #5c6bc0;
  --secondary-color: #3f51b5;
  --bg-dark: #121420;
  --text-light: #e0e0e0;
  --text-muted: #9e9e9e;
  --card-bg: rgba(255, 255, 255, 0.05);
  --card-border: rgba(255, 255, 255, 0.1);
  --accent-color: #7c4dff;
  --glass-bg: rgba(30, 32, 44, 0.6);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  background: radial-gradient(circle at top right, #2a2d4c, #121420 40%, #0d0f18);
  color: var(--text-light);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

a {
  text-decoration: none;
  color: var(--primary-color);
  transition: color 0.3s ease;
}

a:hover {
  color: #7986cb;
}

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

/* Header */
header {
  padding: 30px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--card-border);
}

.logo {
  font-size: 28px;
  font-weight: 800;
  background: linear-gradient(135deg, #a1c4fd 0%, #c2e9fb 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: 1px;
}

.nav-links a {
  margin-left: 20px;
  color: var(--text-light);
  font-weight: 500;
}

/* Hero Section */
.hero {
  text-align: center;
  padding: 100px 0;
}

.hero h1 {
  font-size: 4rem;
  font-weight: 800;
  margin-bottom: 20px;
  background: linear-gradient(135deg, #e0c3fc 0%, #8ec5fc 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  font-size: 1.2rem;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto 40px;
}

.cta-button {
  display: inline-block;
  padding: 15px 40px;
  background: linear-gradient(45deg, var(--secondary-color), var(--accent-color));
  color: white;
  font-size: 1.1rem;
  font-weight: 600;
  border-radius: 30px;
  box-shadow: 0 10px 20px rgba(124, 77, 255, 0.3);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.cta-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 25px rgba(124, 77, 255, 0.4);
  color: white;
}

/* Section Shared */
section {
  padding: 80px 0;
}

.section-title {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 50px;
  font-weight: 700;
  color: #fff;
}

/* Glassmorphism Cards */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--card-border);
  border-radius: 20px;
  padding: 40px 30px;
  transition: transform 0.3s ease, border-color 0.3s ease;
}

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

/* Features */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.feature-card {
  text-align: center;
}

.feature-icon {
  font-size: 3rem;
  margin-bottom: 20px;
}

.feature-card h3 {
  font-size: 1.5rem;
  margin-bottom: 15px;
  color: #fff;
}

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

/* Pricing */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 30px;
}

.pricing-card {
  display: flex;
  flex-direction: column;
}

.pricing-card.popular {
  border: 2px solid var(--accent-color);
  position: relative;
}

.popular-badge {
  position: absolute;
  top: -15px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent-color);
  color: white;
  padding: 5px 15px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
}

.pricing-header {
  text-align: center;
  margin-bottom: 30px;
}

.pricing-header h3 {
  font-size: 1.5rem;
  color: var(--text-light);
  margin-bottom: 10px;
}

.price {
  font-size: 2.5rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 5px;
}

.price span {
  font-size: 1rem;
  font-weight: 400;
  color: var(--text-muted);
}

.original-price {
  text-decoration: line-through;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.pricing-features {
  list-style: none;
  margin-bottom: 30px;
  flex-grow: 1;
}

.pricing-features li {
  margin-bottom: 15px;
  display: flex;
  align-items: flex-start;
  color: var(--text-light);
  font-size: 0.95rem;
}

.pricing-features li::before {
  content: "✓";
  color: #00e676;
  margin-right: 10px;
  font-weight: bold;
}

.pricing-card .cta-button {
  text-align: center;
  width: 100%;
}

/* Reviews */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.review-card p {
  font-style: italic;
  margin-bottom: 20px;
  color: var(--text-light);
}

.reviewer {
  display: flex;
  align-items: center;
}

.reviewer-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--secondary-color);
  margin-right: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
}

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

.faq-item {
  background: var(--glass-bg);
  border: 1px solid var(--card-border);
  border-radius: 10px;
  margin-bottom: 15px;
  padding: 20px;
}

.faq-question {
  font-weight: 600;
  font-size: 1.1rem;
  color: #fff;
  margin-bottom: 10px;
}

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

/* Footer & SEO Links */
footer {
  border-top: 1px solid var(--card-border);
  padding: 50px 0 20px;
  margin-top: 50px;
  background: rgba(0, 0, 0, 0.2);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 40px;
  margin-bottom: 40px;
}

.footer-col h4 {
  color: #fff;
  margin-bottom: 20px;
  font-size: 1.1rem;
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  margin-bottom: 10px;
}

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

.footer-col a:hover {
  color: var(--primary-color);
}

.copyright {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
  padding-top: 20px;
  border-top: 1px solid var(--card-border);
}

/* Article Page Styles */
.article-container {
  max-width: 800px;
  margin: 60px auto;
  padding: 40px;
  background: var(--glass-bg);
  border-radius: 20px;
  border: 1px solid var(--card-border);
}

.article-header {
  margin-bottom: 40px;
  text-align: center;
}

.article-title {
  font-size: 2.5rem;
  margin-bottom: 15px;
  color: #fff;
}

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

.article-content h2 {
  font-size: 1.8rem;
  margin: 30px 0 15px;
  color: #e0c3fc;
}

.article-content h3 {
  font-size: 1.4rem;
  margin: 20px 0 10px;
  color: #fff;
}

.article-content p {
  margin-bottom: 20px;
  font-size: 1.05rem;
  line-height: 1.8;
}

.article-content ul, .article-content ol {
  margin-bottom: 20px;
  padding-left: 20px;
}

.article-content li {
  margin-bottom: 10px;
}

@media (max-width: 768px) {
  .hero h1 { font-size: 2.5rem; }
  .section-title { font-size: 2rem; }
  .article-container { padding: 20px; margin: 30px 15px; }
}