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

:root {
  --bg-primary: #0a0a0a;
  --bg-secondary: rgba(26, 26, 26, 0.8);
  --bg-tertiary: rgba(42, 42, 42, 0.6);
  --text-primary: #ffffff;
  --text-secondary: #a0a0a0;
  --accent: #6366f1;
  --accent-hover: #818cf8;
  --border: rgba(255, 255, 255, 0.1);
  --gradient-start: #6366f1;
  --gradient-end: #8b5cf6;
  --shadow: rgba(0, 0, 0, 0.3);
  --shadow-accent: rgba(99, 102, 241, 0.2);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  background: #0a0a0a;
  background-image: radial-gradient(
      circle at 20% 30%,
      rgba(99, 102, 241, 0.15) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 80% 70%,
      rgba(139, 92, 246, 0.15) 0%,
      transparent 50%
    );
  background-attachment: fixed;
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 3rem 1.5rem;
  position: relative;
}

header {
  text-align: center;
  margin-bottom: 4rem;
  padding-top: 1rem;
  animation: fadeInDown 0.8s ease-out;
}

.logo-container {
  margin-bottom: 2rem;
  display: flex;
  justify-content: center;
  align-items: center;
}

.logo {
  max-width: 800px;
  width: 100%;
  height: auto;
  border-radius: 20px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.logo:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(99, 102, 241, 0.3);
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

h1 {
  font-size: 3rem;
  margin-bottom: 0.75rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  background: linear-gradient(
    135deg,
    var(--gradient-start),
    var(--gradient-end)
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

h2 {
  font-size: 2rem;
  margin-bottom: 0.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

h3 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: 0;
  font-weight: 400;
}

.card {
  background: var(--bg-secondary);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 3rem;
  margin-bottom: 3rem;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
  animation: fadeInUp 0.8s ease-out;
}

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

.card h2 {
  text-align: center;
  margin-bottom: 0.75rem;
}

.card > .subtitle {
  text-align: center;
  margin-bottom: 3rem;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin: 3rem 0 2rem;
}

.pricing-card {
  background: var(--bg-tertiary);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 2.5rem 2rem;
  text-align: center;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  display: flex;
  flex-direction: column;
}

.pricing-card:hover {
  transform: translateY(-8px);
  border-color: rgba(99, 102, 241, 0.3);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(99, 102, 241, 0.1);
}

.pricing-card-featured {
  border: 2px solid var(--accent);
  background: linear-gradient(
    135deg,
    rgba(99, 102, 241, 0.1),
    rgba(139, 92, 246, 0.05)
  );
  box-shadow: 0 20px 60px rgba(99, 102, 241, 0.2);
  transform: scale(1.05);
}

.pricing-card-featured:hover {
  transform: scale(1.05) translateY(-8px);
  box-shadow: 0 24px 60px rgba(99, 102, 241, 0.3);
}

.pricing-header {
  margin-bottom: 2rem;
}

.pricing-card h3 {
  font-size: 1.25rem;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.875rem;
}

.pricing-card .price {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  margin: 0;
}

.price-amount {
  font-size: 2.5rem;
  font-weight: 700;
  background: linear-gradient(
    135deg,
    var(--gradient-start),
    var(--gradient-end)
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.03em;
  line-height: 1;
}

.price-period {
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-weight: 400;
}

.pricing-card .features {
  list-style: none;
  margin: 2rem 0;
  text-align: left;
  flex-grow: 1;
}

.pricing-card .features li {
  padding: 0.75rem 0;
  padding-left: 1.75rem;
  position: relative;
  font-size: 0.9375rem;
  color: var(--text-secondary);
  transition: color 0.2s ease;
}

.pricing-card .features li:hover {
  color: var(--text-primary);
}

.pricing-card .features li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
  font-size: 1.125rem;
}

.badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(
    135deg,
    var(--gradient-start),
    var(--gradient-end)
  );
  color: white;
  padding: 0.5rem 1.25rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.4);
}

.btn {
  display: inline-block;
  padding: 0.875rem 2rem;
  background: linear-gradient(
    135deg,
    var(--gradient-start),
    var(--gradient-end)
  );
  color: white;
  text-decoration: none;
  border-radius: 12px;
  font-weight: 600;
  font-size: 1rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border: none;
  cursor: pointer;
  text-align: center;
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.3);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.2),
    transparent
  );
  transition: left 0.6s;
}

.btn:hover::before {
  left: 100%;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(99, 102, 241, 0.4);
}

.btn:active {
  transform: translateY(0);
}

.btn-primary {
  background: linear-gradient(
    135deg,
    var(--gradient-start),
    var(--gradient-end)
  );
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--accent-hover), #a78bfa);
}

.btn-secondary {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.2);
}

.btn-secondary:hover {
  background-color: rgba(42, 42, 42, 0.8);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.btn-large {
  padding: 1rem 2rem;
  font-size: 1rem;
  width: 100%;
  margin-top: auto;
  display: block;
  text-align: center;
}

.features {
  list-style: none;
  margin: 2rem 0;
}

.features li {
  padding: 0.75rem 0;
  padding-left: 2rem;
  position: relative;
  color: var(--text-secondary);
}

.features li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
  font-size: 1.125rem;
}

.faq {
  margin-top: 4rem;
}

.faq h2 {
  text-align: center;
  margin-bottom: 2.5rem;
}

.faq-item {
  margin-bottom: 1rem;
  padding: 1.5rem;
  background: var(--bg-tertiary);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--border);
  border-radius: 16px;
  transition: all 0.3s ease;
}

.faq-item:hover {
  background: rgba(42, 42, 42, 0.8);
  border-color: rgba(99, 102, 241, 0.3);
}

.faq-question {
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
  font-size: 1.0625rem;
}

.faq-answer {
  color: var(--text-secondary);
  line-height: 1.7;
}

.steps {
  list-style: none;
  counter-reset: step-counter;
}

.steps li {
  counter-increment: step-counter;
  margin-bottom: 2rem;
  padding-left: 3.5rem;
  position: relative;
}

.steps li::before {
  content: counter(step-counter);
  position: absolute;
  left: 0;
  top: 0;
  width: 2.5rem;
  height: 2.5rem;
  background: linear-gradient(
    135deg,
    var(--gradient-start),
    var(--gradient-end)
  );
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.step-content h3 {
  margin-bottom: 0.5rem;
}

.step-content p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.addon-url {
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem;
  font-family: "SF Mono", "Monaco", "Inconsolata", "Fira Code", "Courier New",
    monospace;
  font-size: 0.875rem;
  word-break: break-all;
  margin: 1rem 0;
  color: var(--text-primary);
  transition: all 0.3s ease;
}

.addon-url:hover {
  border-color: var(--accent);
  background-color: rgba(42, 42, 42, 0.8);
}

.copy-btn {
  margin-top: 0.5rem;
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

.success-message {
  text-align: center;
  padding: 3rem 0;
}

.success-icon {
  font-size: 4rem;
  margin-bottom: 1rem;
  background: linear-gradient(
    135deg,
    var(--gradient-start),
    var(--gradient-end)
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: scaleIn 0.5s ease-out;
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.5);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.link {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s ease;
}

.link:hover {
  color: var(--accent-hover);
  text-decoration: underline;
}

.manage-link {
  display: block;
  margin-top: 2rem;
  color: var(--text-secondary);
  text-decoration: none;
  text-align: center;
  transition: color 0.3s ease;
  font-size: 0.9375rem;
}

.manage-link:hover {
  color: var(--accent);
  text-decoration: none;
}

@media (max-width: 768px) {
  h1 {
    font-size: 2.25rem;
  }

  h2 {
    font-size: 1.75rem;
  }

  .container {
    padding: 2rem 1rem;
  }

  .logo {
    max-width: 600px;
  }

  .card {
    padding: 2rem 1.5rem;
  }

  .btn-large {
    padding: 0.875rem 1.5rem;
    font-size: 0.9375rem;
  }

  .pricing-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

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

  .pricing-card-featured:hover {
    transform: translateY(-8px);
  }

  .price-amount {
    font-size: 2rem;
  }

  .steps li {
    padding-left: 3rem;
  }

  .steps li::before {
    width: 2rem;
    height: 2rem;
    font-size: 0.875rem;
  }
}

@media (max-width: 480px) {
  h1 {
    font-size: 1.875rem;
  }

  .card {
    padding: 1.5rem 1.25rem;
  }

  .pricing-card {
    padding: 2rem 1.5rem;
  }

  .logo {
    max-width: 500px;
  }
}