:root {
  --bg-dark: #0c0e12;
  --bg-darker: #07080a;
  --bg-card: #14171f;
  --bg-card-hover: #1a1e29;
  --border-color: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(0, 212, 255, 0.3);
  --primary: #00d4ff;
  --primary-hover: #33ddff;
  --primary-glow: rgba(0, 212, 255, 0.25);
  --accent-gold: #ffaa00;
  --accent-purple: #8a2be2;
  --accent-green: #00ff88;
  --text-main: #f0f3f6;
  --text-muted: #8b949e;
  --text-dim: #545d68;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', SFMono-Regular, Menlo, monospace;
}

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

body {
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font-sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Navbar */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(12, 14, 18, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  padding: 14px 0;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-main);
}

.brand-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--primary), var(--accent-purple));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
}

.brand-mask-img {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.brand-icon svg {
  width: 22px;
  height: 22px;
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 1.5px;
  color: #fff;
}

.brand-subtitle {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 11px;
  color: var(--primary);
  letter-spacing: 1px;
}

.brand-badge {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  padding: 2px 6px;
  background: rgba(255, 170, 0, 0.15);
  color: var(--accent-gold);
  border: 1px solid rgba(255, 170, 0, 0.3);
  border-radius: 4px;
  margin-left: 4px;
}

.nav-links {
  display: flex;
  gap: 24px;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  transition: color 0.2s;
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  border: none;
}

.btn svg {
  width: 16px;
  height: 16px;
}

.btn-download-nav {
  background: #ffffff;
  color: #000000;
  font-weight: 700;
  box-shadow: 0 2px 8px rgba(255, 255, 255, 0.15);
}

.btn-download-nav:hover {
  background: #e6e6e6;
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--primary);
  color: #000000;
  font-weight: 700;
  box-shadow: 0 4px 14px var(--primary-glow);
}

.btn-primary:hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px var(--primary-glow);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-main);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-large {
  padding: 12px 24px;
  font-size: 14px;
  border-radius: var(--radius-md);
}

.btn-stripe {
  background: #635bff;
  color: #ffffff;
  font-weight: 700;
  width: 100%;
  box-shadow: 0 4px 14px rgba(99, 91, 255, 0.3);
}

.btn-stripe:hover {
  background: #7a73ff;
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(99, 91, 255, 0.4);
}

.stripe-icon {
  width: 20px;
  height: 20px;
}

/* Hero Section */
.hero-section {
  padding: 60px 0 80px;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  background: rgba(0, 212, 255, 0.08);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: 20px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--primary);
  margin-bottom: 20px;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--accent-green);
  box-shadow: 0 0 10px var(--accent-green);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.2); opacity: 1; }
  100% { transform: scale(0.95); opacity: 0.8; }
}

.hero-headline {
  font-size: 42px;
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -1px;
  margin-bottom: 18px;
  background: linear-gradient(135deg, #ffffff 60%, #a5b4fc);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-lead {
  font-size: 16px;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 24px;
}

/* Watermark Notice Box */
.watermark-notice-box {
  background: rgba(255, 170, 0, 0.06);
  border: 1px solid rgba(255, 170, 0, 0.25);
  border-left: 4px solid var(--accent-gold);
  border-radius: var(--radius-sm);
  padding: 16px;
  display: flex;
  gap: 14px;
  margin-bottom: 28px;
}

.notice-icon {
  color: var(--accent-gold);
  flex-shrink: 0;
  margin-top: 2px;
}

.notice-icon svg {
  width: 22px;
  height: 22px;
}

.notice-body h4 {
  color: var(--accent-gold);
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 4px;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.notice-body p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 12.5px;
  line-height: 1.5;
}

.hero-buttons {
  display: flex;
  gap: 14px;
}

/* Hero Preview Card */
.preview-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
}

.preview-header {
  padding: 10px 14px;
  background: rgba(0, 0, 0, 0.3);
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-color);
}

.window-dots {
  display: flex;
  gap: 6px;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.dot.red { background: #ff5f56; }
.dot.yellow { background: #ffbd2e; }
.dot.green { background: #27c93f; }

.preview-title {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-dim);
}

.preview-stage {
  position: relative;
  background: #000;
  height: 380px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.stage-img {
  max-width: 90%;
  max-height: 90%;
  object-fit: contain;
  transition: opacity 0.3s ease;
}

.watermark-overlay {
  position: absolute;
  bottom: 20px;
  right: 20px;
  background: rgba(0, 0, 0, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 4px 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: rgba(255, 255, 255, 0.6);
  border-radius: 4px;
  pointer-events: none;
}

.preview-footer {
  padding: 10px 14px;
  background: rgba(0, 0, 0, 0.3);
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border-color);
}

.footer-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-muted);
}

.status-indicator {
  width: 6px;
  height: 6px;
  border-radius: 50%;
}
.status-indicator.green { background: var(--accent-green); }

.character-toggle {
  display: flex;
  gap: 4px;
  background: rgba(255, 255, 255, 0.05);
  padding: 2px;
  border-radius: 4px;
}

.char-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 10px;
  padding: 3px 8px;
  border-radius: 3px;
  cursor: pointer;
}

.char-btn.active {
  background: var(--primary);
  color: #000;
  font-weight: 700;
}

/* Sections */
.section {
  padding: 80px 0;
}

.section-darker {
  background: var(--bg-darker);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 48px;
}

.section-title {
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 12px;
}

.section-subtitle {
  color: var(--text-muted);
  font-size: 15px;
}

/* Characters Grid */
.characters-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.character-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform 0.3s;
}

.character-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.2);
}

.char-media {
  background: #000;
  height: 280px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid var(--border-color);
}

.char-media img {
  max-height: 90%;
  object-fit: contain;
}

.char-content {
  padding: 24px;
}

.char-content h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
  color: #fff;
}

.char-content p {
  color: var(--text-muted);
  font-size: 13.5px;
  margin-bottom: 16px;
}

.char-features {
  list-style: none;
  font-size: 12.5px;
  color: rgba(255, 255, 255, 0.85);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

/* Pricing Grid */
.mode-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  background: rgba(99, 91, 255, 0.15);
  border: 1px solid rgba(99, 91, 255, 0.3);
  border-radius: 20px;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  color: #9d96ff;
  margin-bottom: 16px;
}

.mode-indicator {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #9d96ff;
}

.pricing-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr 1fr;
  gap: 24px;
  align-items: stretch;
  margin-bottom: 40px;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  transition: all 0.25s;
}

.pricing-card:hover {
  border-color: rgba(255, 255, 255, 0.25);
  background: var(--bg-card-hover);
}

.pricing-card.selected {
  border-color: var(--primary);
  box-shadow: 0 0 25px rgba(0, 212, 255, 0.2);
}

.pricing-card.featured {
  background: linear-gradient(180deg, #181d2a 0%, #11141c 100%);
  border: 2px solid var(--primary);
  transform: scale(1.02);
}

.featured-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary);
  color: #000;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 800;
  padding: 3px 10px;
  border-radius: 12px;
  letter-spacing: 1px;
}

.tier-header h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
}

.tier-price {
  font-size: 38px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 8px;
}

.tier-price .period {
  font-size: 14px;
  color: var(--text-muted);
  font-weight: 500;
}

.tier-desc {
  font-size: 12.5px;
  color: var(--text-muted);
  margin-bottom: 20px;
  min-height: 38px;
}

.tier-perks {
  list-style: none;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.85);
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 28px;
  flex-grow: 1;
}

.btn-tier-select {
  width: 100%;
}

/* Checkout Panel */
.checkout-panel {
  max-width: 680px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.checkout-header {
  margin-bottom: 24px;
}

.checkout-header h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 4px;
}

.checkout-header p {
  color: var(--text-muted);
  font-size: 13px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
}

.form-group input {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  color: #fff;
  font-family: var(--font-sans);
  font-size: 13px;
  outline: none;
  transition: border-color 0.2s;
}

.form-group input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px var(--primary-glow);
}

.selected-tier-banner {
  background: rgba(0, 212, 255, 0.08);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  margin-bottom: 24px;
}

.price-highlight {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--primary);
  font-size: 15px;
}

.payment-guarantee {
  text-align: center;
  font-size: 11px;
  color: var(--text-dim);
  margin-top: 14px;
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
}

.feature-icon {
  font-size: 28px;
  margin-bottom: 12px;
}

.feature-item h4 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
}

.feature-item p {
  color: var(--text-muted);
  font-size: 13px;
  line-height: 1.5;
}

/* FAQ */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px 24px;
}

.faq-item h3 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 8px;
  color: #fff;
}

.faq-item p {
  font-size: 13.5px;
  color: var(--text-muted);
  line-height: 1.5;
}

/* Footer */
.footer {
  padding: 40px 0;
  border-top: 1px solid var(--border-color);
  background: #050608;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-left strong {
  font-size: 14px;
}

.copyright {
  font-size: 12px;
  color: var(--text-dim);
  margin-top: 4px;
}

.footer-right {
  display: flex;
  gap: 20px;
}

.footer-link {
  font-size: 12.5px;
  color: var(--text-muted);
  text-decoration: none;
}

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

/* Success Page Specific */
.success-container {
  max-width: 640px;
  margin: 60px auto;
  padding: 0 20px;
}

.success-card {
  background: var(--bg-card);
  border: 1px solid rgba(0, 255, 136, 0.3);
  border-radius: var(--radius-lg);
  padding: 40px;
  text-align: center;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
}

.success-icon {
  width: 64px;
  height: 64px;
  background: rgba(0, 255, 136, 0.15);
  color: var(--accent-green);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.success-icon svg {
  width: 36px;
  height: 36px;
}

.key-display-box {
  background: #000;
  border: 1px dashed var(--primary);
  border-radius: var(--radius-md);
  padding: 18px;
  margin: 24px 0;
}

.licence-key-text {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--primary);
  display: block;
  user-select: all;
  margin-bottom: 12px;
}

.instructions-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px;
  text-align: left;
  margin-top: 24px;
}

.instructions-card h4 {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent-gold);
  text-transform: uppercase;
  margin-bottom: 10px;
}

.instructions-card ol {
  padding-left: 20px;
  font-size: 13px;
  color: var(--text-muted);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/* Responsive */
@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
  .characters-grid {
    grid-template-columns: 1fr;
  }
  .pricing-grid {
    grid-template-columns: 1fr;
  }
  .features-grid {
    grid-template-columns: 1fr;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
  .nav-links {
    display: none;
  }
}