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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: #0a0a0a;
  color: #ffffff;
  overflow-x: hidden;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Navigation */
nav {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(15, 15, 15, 0.7);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  padding: 1.2rem 3rem;
  z-index: 1000;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

nav ul {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 2rem;
}

nav img {
  border: 2px solid rgba(100, 200, 255, 0.2);
  transition: all 0.3s ease;
}

nav img:hover {
  border-color: rgba(100, 200, 255, 0.5);
  transform: scale(1.05);
  box-shadow: 0 0 20px rgba(100, 200, 255, 0.3);
}

nav h2 {
  color: #ffffff;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 1px;
}

nav li {
  margin-left: auto;
  display: flex;
  gap: 2.5rem;
}

nav a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: all 0.3s ease;
  position: relative;
  padding: 0.5rem 0;
}

nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, rgba(100, 200, 255, 0.8), rgba(80, 150, 255, 0.8));
  transition: width 0.3s ease;
}

nav a:hover {
  color: #ffffff;
}

nav a:hover::after {
  width: 100%;
}

/* Prices Section */
.prices-section {
  flex: 1;
  padding: 12rem 3rem 5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.prices-section h1 {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  text-align: center;
  letter-spacing: 1px;
}

.subtitle {
  font-size: 1.2rem;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 4rem;
  text-align: center;
}

/* Pricing Container */
.pricing-container {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 3rem;
  max-width: 1000px;
  width: 100%;
}

/* Pricing Cards */
.pricing-card {
  background: rgba(20, 20, 20, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 20px;
  padding: 2.5rem;
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  transition: all 0.3s ease;
  position: relative;
  display: flex;
  flex-direction: column;
}

.pricing-card.free:hover {
  border-color: rgba(100, 200, 255, 0.3);
  transform: translateY(-5px);
  box-shadow: 0 12px 40px rgba(100, 200, 255, 0.15);
}

.pricing-card.premium {
  border-color: rgba(100, 200, 255, 0.2);
}

.pricing-card.premium:hover {
  border-color: rgba(100, 200, 255, 0.5);
  transform: translateY(-5px);
  box-shadow: 0 12px 40px rgba(100, 200, 255, 0.25);
}

/* Popular Badge */
.popular-badge {
  position: absolute;
  top: -15px;
  right: 30px;
  background: linear-gradient(135deg, rgba(100, 200, 255, 0.9), rgba(80, 150, 255, 0.9));
  color: #000;
  padding: 0.5rem 1.5rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 1px;
  box-shadow: 0 4px 15px rgba(100, 200, 255, 0.4);
}

/* Card Header */
.card-header {
  text-align: center;
  margin-bottom: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.card-header h2 {
  font-size: 1.8rem;
  margin-bottom: 1.5rem;
  color: #ffffff;
  font-weight: 600;
}

.price {
  display: flex;
  align-items: baseline;
  justify-content: center;
  margin-bottom: 0.5rem;
}

.free .price .currency {
  font-size: 2rem;
  font-weight: 700;
  color: rgba(100, 200, 255, 0.8);
}

.premium .price .currency {
  font-size: 1.5rem;
  font-weight: 700;
  color: rgba(100, 200, 255, 0.8);
}

.premium .price .amount {
  font-size: 3rem;
  font-weight: 700;
  color: #ffffff;
}

.premium .price .period {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.5);
  margin-left: 0.5rem;
}

.plan-desc {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.95rem;
}

/* Features */
.features {
  flex: 1;
  margin-bottom: 2rem;
}

.feature {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
  padding: 0.8rem;
  border-radius: 8px;
  transition: all 0.3s ease;
}

.feature:hover {
  background: rgba(255, 255, 255, 0.03);
}

.feature .check {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(100, 200, 255, 0.2);
  color: rgba(100, 200, 255, 0.9);
  font-weight: 700;
  font-size: 0.9rem;
  flex-shrink: 0;
}

.feature.disabled .check {
  background: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.3);
}

.feature span:last-child {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.95rem;
}

.feature.disabled span:last-child {
  color: rgba(255, 255, 255, 0.4);
  text-decoration: line-through;
}

/* Buttons */
.btn {
  display: block;
  text-align: center;
  padding: 1rem 2rem;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
}

.btn-free {
  background: rgba(100, 200, 255, 0.1);
  color: rgba(100, 200, 255, 0.9);
  border: 1px solid rgba(100, 200, 255, 0.3);
}

.btn-free:hover {
  background: rgba(100, 200, 255, 0.2);
  border-color: rgba(100, 200, 255, 0.5);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(100, 200, 255, 0.2);
}

.btn-premium {
  background: linear-gradient(135deg, rgba(100, 200, 255, 0.9), rgba(80, 150, 255, 0.9));
  color: #000;
  font-weight: 700;
}

.btn-premium:hover {
  background: linear-gradient(135deg, rgba(100, 200, 255, 1), rgba(80, 150, 255, 1));
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(100, 200, 255, 0.4);
}

.payment-note {
  text-align: center;
  margin-top: 1rem;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
}

/* Footer */
footer {
  background: rgba(15, 15, 15, 0.8);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 2rem 3rem;
  margin-top: auto;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-content p {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.9rem;
}

.footer-links {
  display: flex;
  gap: 2rem;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.3s ease;
}

.footer-links a:hover {
  color: rgba(100, 200, 255, 0.9);
}

/* Responsive */
@media (max-width: 968px) {
  .pricing-container {
    grid-template-columns: 1fr;
    max-width: 500px;
  }

  .popular-badge {
    top: -12px;
    right: 20px;
    font-size: 0.7rem;
    padding: 0.4rem 1.2rem;
  }
}

@media (max-width: 768px) {
  .prices-section {
    padding: 10rem 1.5rem 3rem;
  }

  .prices-section h1 {
    font-size: 2.5rem;
  }

  nav {
    padding: 1rem 1.5rem;
  }

  nav ul {
    flex-wrap: wrap;
    gap: 1rem;
  }

  nav li {
    margin-left: 0;
    gap: 1.5rem;
  }

  .pricing-card {
    padding: 2rem;
  }

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