:root {
  --primary: #4361ee;
  --primary-dark: #3a56d4;
  --secondary: #7209b7;
  --accent: #f72585;
  --light: #f8f9fa;
  --dark: #212529;
  --success: #4cc9f0;
  --gray: #6c757d;
  --light-gray: #e9ecef;
  --border: #dee2e6;
  --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  --card-shadow: 0 0 6px 1px rgba(0, 0, 0, 0.1);
  --transition: all 0.3s ease;
}

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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: var(--dark);
  background-color: #fafafa;
  overflow-x: hidden;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header Styles */
header {
  background-color: white;
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 24px;
  font-weight: 700;
  color: var(--primary);
  text-decoration: none;
}

.logo-icon {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
}

.nav-links {
  display: flex;
  gap: 30px;
}

.nav-links a {
  text-decoration: none;
  color: var(--dark);
  font-weight: 500;
  transition: var(--transition);
}

.nav-links a:hover {
  color: var(--primary);
}

.btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: 50px;
  font-weight: 600;
  text-decoration: none;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  font-size: 16px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  box-shadow: 0 4px 15px rgba(67, 97, 238, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(67, 97, 238, 0.4);
}
a.btn:not(.btn-outline) {
  text-decoration: none;
  color: white;
  text-decoration: none !important;
}
/* body a.btn:not(.cta):hover {
  text-decoration: none;
  color: white;
} */

.btn-outline {
  border: 2px solid var(--primary);
  color: var(--primary);
}

.btn-outline:hover {
  background-color: var(--primary);
  color: white;
}

/* Hero Section */
.hero {
  padding: 80px 0;
  background: linear-gradient(135deg, #f0f4ff 0%, #f8f0ff 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(67, 97, 238, 0.1) 0%, transparent 70%);
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 650px;
}

.hero h1 {
  font-size: 2.8rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 20px;
  color: var(--dark);
}

.hero p {
  font-size: 1.25rem;
  margin-bottom: 30px;
  color: var(--gray);
}

.hero-cta {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
}

.no-card {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--success);
  font-weight: 600;
  margin-top: 10px;
}

/* How It Works */
.section {
  padding: 80px 0;
}

.section-title {
  text-align: center;
  margin-bottom: 60px;
}

.section-title h2 {
  font-size: 2.5rem;
  margin-bottom: 15px;
  color: var(--dark);
}

.section-title p {
  color: var(--gray);
  max-width: 700px;
  margin: 0 auto;
  font-size: 1.1rem;
}

.steps {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 30px;
}

.step-card {
  background: white;
  border-radius: 16px;
  padding: 30px;
  width: 250px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.step-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.step-number {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  color: white;
  font-size: 1.5rem;
  font-weight: 700;
}

.step-card h3 {
  margin-bottom: 15px;
  color: var(--dark);
}

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

/* Benefits */
.benefits {
  background-color: var(--light);
}

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

.benefit-card {
  background: white;
  border-radius: 16px;
  padding: 30px;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.benefit-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.benefit-icon {
  width: 70px;
  height: 70px;
  background: rgba(67, 97, 238, 0.1);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--primary);
  font-size: 1.8rem;
}

.benefit-card h3 {
  margin-bottom: 15px;
  color: var(--dark);
}

.benefit-card p {
  color: var(--gray);
}

/* Pricing */
.pricing-cards {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 30px;
  margin-top: 40px;
}

.pricing-card {
  background: white;
  border-radius: 20px;
  padding: 40px 30px;
  width: calc((100% - (2 * 30px)) / 3);
  max-width: 350px;
  box-shadow: var(--card-shadow);
  position: relative;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.card-actions {
  text-align: center;
}
.card-actions .btn {
  width: 100%;
}

.pricing-card.popular {
  border: 2px solid var(--primary);
  transform: scale(1.05);
}

.popular-badge {
  position: absolute;
  top: -15px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: white;
  padding: 5px 20px;
  border-radius: 30px;
  font-weight: 600;
  font-size: 0.9rem;
}

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

.pricing-name {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--dark);
}

.pricing-price {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 5px;
}

.pricing-period {
  color: var(--gray);
}

.pricing-articles {
  background: rgba(67, 97, 238, 0.1);
  color: var(--primary);
  padding: 8px 15px;
  border-radius: 30px;
  display: inline-block;
  margin: 15px 0;
  font-weight: 600;
}

.pricing-features {
  list-style: none;
  margin: 25px 0;
  flex: 1;
}

.pricing-features li {
  padding: 10px 0;
  display: flex;
  align-items: center;
  gap: 10px;
}

.pricing-features li i {
  color: var(--success);
}

/* Security */
.security {
  background: linear-gradient(135deg, #f0f4ff 0%, #f8f0ff 100%);
}

.security-content {
  display: flex;
  align-items: center;
  gap: 50px;
}

.security-text {
  flex: 1;
}

.security-icons {
  display: flex;
  gap: 20px;
  margin-top: 20px;
}

.security-icon {
  background: white;
  width: 80px;
  height: 80px;
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow);
}

.security-icon i {
  font-size: 2rem;
  color: var(--primary);
}

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

.faq-item {
  background: white;
  border-radius: 16px;
  margin-bottom: 20px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.faq-question {
  padding: 25px 30px;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-answer {
  padding: 0 30px;
  max-height: 0;
  overflow: hidden;
  transition:
    max-height 0.3s ease,
    padding 0.3s ease;
}

.faq-item.active .faq-answer {
  padding: 0 30px 25px;
  max-height: 500px;
}

.faq-toggle {
  transition: transform 0.3s ease;
}

.faq-item.active .faq-toggle {
  transform: rotate(180deg);
}

/* CTA */
.cta {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  text-align: center;
  padding: 80px 0;
}

.cta h2 {
  font-size: 2.5rem;
  margin-bottom: 20px;
}

.cta p {
  font-size: 1.25rem;
  max-width: 700px;
  margin: 0 auto 30px;
  opacity: 0.9;
}

.cta .btn {
  background: white;
  color: var(--primary);
  font-weight: 700;
  font-size: 1.1rem;
  padding: 15px 40px;
}

.cta .btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

/* Footer */
footer {
  background: var(--dark);
  color: white;
  padding: 40px 0 20px;
}

.footer-content {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 30px;
  margin-bottom: 30px;
}

.footer-col {
  flex: 1;
  min-width: 200px;
}

.footer-col h3 {
  margin-bottom: 20px;
  font-size: 1.3rem;
}

.footer-links {
  list-style: none;
}

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

.footer-links a {
  color: #adb5bd;
  text-decoration: none;
  transition: var(--transition);
}

.footer-links a:hover {
  color: white;
}

.trust-text {
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid #495057;
  color: #adb5bd;
  font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 992px) {
  .hero h1 {
    font-size: 2.3rem;
  }

  .security-content {
    flex-direction: column;
  }

  .pricing-card.popular {
    transform: scale(1);
  }
}

@media (max-width: 768px) {
  .hidden-sm {
    display: none;
  }
  .hero {
    padding: 60px 0;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero p {
    font-size: 1.1rem;
  }

  .section {
    padding: 60px 0;
  }

  .section-title h2 {
    font-size: 2rem;
  }

  .pricing-cards {
    flex-direction: column;
    align-items: center;
    gap: 50px;
  }
  .pricing-card {
    width: auto;
    max-width: 100%;
  }

  .pricing-card.popular {
    transform: scale(1.03);
  }
}

@media (max-width: 576px) {
  .navbar {
    flex-direction: column;
    gap: 20px;
  }

  .hero-cta {
    flex-direction: column;
    align-items: flex-start;
  }

  .btn {
    width: 100%;
  }
}