:root {
  --bg-dark: #06080D;
  --bg-card: rgba(16, 23, 38, 0.85);
  --bg-card-border: rgba(255, 255, 255, 0.08);
  --cyan-primary: #00F0FF;
  --blue-secondary: #3B82F6;
  --cyan-glow: rgba(0, 240, 255, 0.4);
  --text-main: #F8FAFC;
  --text-muted: #94A3B8;
  --text-dim: #64748B;
  --success: #10B981;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  background-image: 
    radial-gradient(ellipse at 20% 0%, rgba(0, 240, 255, 0.05) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 100%, rgba(59, 130, 246, 0.05) 0%, transparent 50%),
    linear-gradient(180deg, #06080D 0%, #090E17 100%);
}

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Top Bar */
.top-bar {
  background: linear-gradient(90deg, #0F172A 0%, #1E293B 50%, #0F172A 100%);
  border-bottom: 1px solid rgba(0, 240, 255, 0.2);
  padding: 8px 0;
  font-size: 13px;
  color: var(--text-muted);
}

.top-bar-content {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
}

.badge-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  font-weight: 800;
  background: rgba(0, 240, 255, 0.15);
  color: var(--cyan-primary);
  border: 1px solid rgba(0, 240, 255, 0.4);
  padding: 2px 8px;
  border-radius: 4px;
}

.top-bar-link {
  color: var(--cyan-primary);
  text-decoration: none;
  font-weight: 600;
}

/* Navigation */
.navbar {
  background: rgba(6, 8, 13, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--bg-card-border);
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 16px 0;
}

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

.logo {
  font-weight: 900;
  font-size: 18px;
  letter-spacing: -0.02em;
  color: #FFF;
}

.logo-accent {
  color: var(--cyan-primary);
}

.version-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  color: var(--text-dim);
  background: rgba(255,255,255,0.05);
  padding: 2px 6px;
  border-radius: 4px;
  margin-left: 6px;
}

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

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: color 0.2s;
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 700;
  text-decoration: none;
  border-radius: 6px;
  transition: all 0.25s ease;
  cursor: pointer;
}

.btn-primary {
  background: var(--cyan-primary);
  color: #06080D;
  padding: 10px 20px;
  font-size: 13.5px;
}

.btn-primary:hover {
  background: #38BDF8;
  box-shadow: 0 0 20px rgba(0, 240, 255, 0.5);
  transform: translateY(-1px);
}

.btn-glow {
  background: linear-gradient(135deg, #00F0FF 0%, #3B82F6 100%);
  color: #04060A;
  padding: 16px 32px;
  font-size: 16px;
  box-shadow: 0 0 30px rgba(0, 240, 255, 0.35);
}

.btn-glow:hover {
  box-shadow: 0 0 45px rgba(0, 240, 255, 0.6);
  transform: translateY(-2px);
}

.btn-outline {
  background: rgba(255,255,255,0.04);
  color: var(--text-main);
  border: 1px solid var(--bg-card-border);
  padding: 16px 28px;
  font-size: 15px;
}

.btn-outline:hover {
  border-color: var(--cyan-primary);
  color: var(--cyan-primary);
}

.btn-lg {
  font-size: 16px;
}

.btn-xl {
  font-size: 18px;
  width: 100%;
  padding: 20px;
}

/* Hero */
.hero {
  padding: 80px 0 60px 0;
}

.grid-hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 700;
  color: var(--cyan-primary);
  background: rgba(0, 240, 255, 0.08);
  border: 1px solid rgba(0, 240, 255, 0.3);
  padding: 6px 14px;
  border-radius: 20px;
  margin-bottom: 24px;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background-color: var(--cyan-primary);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--cyan-primary);
  animation: pulse 1.8s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(0, 240, 255, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(0, 240, 255, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(0, 240, 255, 0); }
}

h1 {
  font-size: 48px;
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}

.gradient-text {
  background: linear-gradient(90deg, #FFFFFF 0%, #00F0FF 50%, #60A5FA 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-sub {
  font-size: 17px;
  color: var(--text-muted);
  margin-bottom: 32px;
  max-width: 580px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  margin-bottom: 40px;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 24px;
  background: var(--bg-card);
  border: 1px solid var(--bg-card-border);
  padding: 16px 24px;
  border-radius: 12px;
  width: fit-content;
}

.stat-num {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 800;
  font-size: 18px;
  color: var(--cyan-primary);
}

.stat-label {
  font-size: 11px;
  color: var(--text-dim);
}

.stat-divider {
  width: 1px;
  height: 32px;
  background: var(--bg-card-border);
}

/* 3D Book Visual */
.book-card-3d {
  background: linear-gradient(135deg, #090E18 0%, #0F172A 100%);
  border: 1px solid rgba(0, 240, 255, 0.3);
  border-radius: 12px;
  padding: 32px;
  position: relative;
  box-shadow: 
    0 20px 60px rgba(0, 0, 0, 0.8),
    0 0 40px rgba(0, 240, 255, 0.15),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
  transform: perspective(1000px) rotateY(-5deg) rotateX(3deg);
  transition: transform 0.4s ease;
}

.book-card-3d:hover {
  transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
}

.cover-badge {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  font-weight: 800;
  color: var(--cyan-primary);
  background: rgba(0, 240, 255, 0.1);
  padding: 4px 10px;
  border-radius: 4px;
  display: inline-block;
  margin-bottom: 20px;
}

.book-title {
  font-size: 28px;
  font-weight: 900;
  color: #FFF;
  margin-bottom: 12px;
  line-height: 1.2;
}

.book-title .cyan {
  color: var(--cyan-primary);
}

.book-subtitle {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 28px;
}

.cover-matrix {
  background: rgba(0,0,0,0.4);
  border: 1px solid var(--bg-card-border);
  border-radius: 6px;
  padding: 12px 16px;
  margin-bottom: 24px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
}

.matrix-row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 6px;
  color: var(--text-muted);
}

.matrix-row:last-child {
  margin-bottom: 0;
}

.matrix-row span:last-child {
  color: var(--cyan-primary);
  font-weight: 700;
}

.cover-footer {
  display: flex;
  justify-content: space-between;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  color: var(--text-dim);
  border-top: 1px solid var(--bg-card-border);
  padding-top: 14px;
}

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

.section-header {
  margin-bottom: 48px;
}

.section-header h2 {
  font-size: 32px;
  font-weight: 800;
  margin-top: 8px;
  margin-bottom: 12px;
}

.section-header p {
  color: var(--text-muted);
  font-size: 16px;
}

.section-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 800;
  color: var(--cyan-primary);
  letter-spacing: 2px;
}

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

/* Carousel Preview */
.carousel-wrapper {
  position: relative;
  max-width: 720px;
  margin: 0 auto;
}

.carousel-container {
  display: flex;
  overflow: hidden;
  border-radius: 12px;
  background: var(--bg-card);
  border: 1px solid rgba(0, 240, 255, 0.3);
  box-shadow: 0 10px 40px rgba(0,0,0,0.6);
  min-height: 220px;
}

.carousel-slide {
  min-width: 100%;
  transition: transform 0.4s ease;
  padding: 32px;
  display: none;
}

.carousel-slide.active {
  display: block;
}

.preview-card h3 {
  font-size: 22px;
  color: var(--cyan-primary);
  margin-bottom: 12px;
}

.preview-card p {
  font-size: 15px;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.preview-badge {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  color: var(--text-dim);
  background: rgba(255,255,255,0.05);
  padding: 3px 8px;
  border-radius: 4px;
  display: inline-block;
  margin-bottom: 12px;
}

.page-meta {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--text-dim);
  border-top: 1px solid var(--bg-card-border);
  padding-top: 12px;
}

.carousel-control {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(15, 23, 42, 0.9);
  color: var(--cyan-primary);
  border: 1px solid var(--bg-card-border);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  font-size: 24px;
  cursor: pointer;
  z-index: 10;
  transition: all 0.2s;
}

.carousel-control:hover {
  background: var(--cyan-primary);
  color: #000;
}

.prev-btn { left: -22px; }
.next-btn { right: -22px; }

.carousel-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 20px;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--bg-card-border);
  cursor: pointer;
  transition: background 0.3s;
}

.dot.active {
  background: var(--cyan-primary);
  box-shadow: 0 0 10px var(--cyan-primary);
}

/* Feature Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--bg-card-border);
  border-radius: 10px;
  padding: 24px;
  transition: all 0.3s ease;
  cursor: pointer;
  position: relative;
}

.feature-card:hover {
  border-color: rgba(0, 240, 255, 0.4);
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(0, 240, 255, 0.08);
}

.feature-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  font-weight: 800;
  color: var(--cyan-primary);
  background: rgba(0, 240, 255, 0.1);
  width: 32px;
  height: 32px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.feature-card h3 {
  font-size: 18px;
  margin-bottom: 8px;
}

.feature-card p {
  color: var(--text-muted);
  font-size: 14px;
  margin-bottom: 16px;
}

.prompt-mini {
  background: #060911;
  border: 1px solid rgba(56, 189, 248, 0.2);
  border-radius: 6px;
  padding: 10px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: #7DD3FC;
}

/* ROI Section */
.roi-table-wrapper {
  background: var(--bg-card);
  border: 1px solid var(--bg-card-border);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 10px 40px rgba(0,0,0,0.5);
}

.roi-table {
  width: 100%;
  border-collapse: collapse;
}

.roi-table th, .roi-table td {
  padding: 16px 20px;
  text-align: left;
}

.roi-table th {
  background: #0D1424;
  color: var(--cyan-primary);
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1px;
  border-bottom: 1px solid var(--bg-card-border);
}

.roi-table td {
  border-bottom: 1px solid rgba(255,255,255,0.05);
  font-size: 14px;
}

.lift-badge {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 800;
  color: var(--success);
  background: rgba(16, 185, 129, 0.1);
  padding: 4px 10px;
  border-radius: 4px;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

/* Testimonials */
.grid-testimonials {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--bg-card-border);
  border-radius: 10px;
  padding: 24px;
}

.stars {
  color: #F59E0B;
  margin-bottom: 12px;
}

.testimonial-card p {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 16px;
  line-height: 1.5;
}

.user-info {
  font-size: 12px;
}

.user-info strong {
  color: #FFF;
  display: block;
}

.user-info span {
  color: var(--text-dim);
}

/* Pricing Section */
.pricing-card {
  max-width: 680px;
  margin: 0 auto;
  background: linear-gradient(135deg, #090E18 0%, #0F172A 100%);
  border: 1px solid var(--cyan-primary);
  border-radius: 16px;
  padding: 48px;
  text-align: center;
  box-shadow: 0 0 60px rgba(0, 240, 255, 0.2);
}

.pricing-badge {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 800;
  color: var(--cyan-primary);
  background: rgba(0, 240, 255, 0.1);
  padding: 4px 12px;
  border-radius: 20px;
  display: inline-block;
  margin-bottom: 16px;
}

.price-box {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 4px;
  margin: 24px 0;
  position: relative;
}

.price-currency {
  font-size: 24px;
  font-weight: 700;
  color: var(--cyan-primary);
}

.price-amount {
  font-size: 64px;
  font-weight: 900;
  color: #FFF;
  line-height: 1;
}

.price-period {
  font-size: 16px;
  color: var(--text-muted);
}

.price-strikethrough {
  font-size: 20px;
  color: var(--text-dim);
  text-decoration: line-through;
  margin-left: 12px;
}

.pricing-features {
  list-style: none;
  text-align: left;
  max-width: 460px;
  margin: 0 auto 32px auto;
  font-size: 14.5px;
  color: var(--text-muted);
}

.pricing-features li {
  margin-bottom: 10px;
}

.pricing-features strong {
  color: #FFF;
}

.guarantee-note {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 16px;
  font-size: 12px;
  color: var(--text-dim);
}

/* Footer */
.footer {
  border-top: 1px solid var(--bg-card-border);
  padding: 32px 0;
  font-size: 13px;
  color: var(--text-dim);
}

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

/* Modal */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0,0,0,0.85);
  backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 999;
}

.hidden {
  display: none;
}

.modal-card {
  background: #090E18;
  border: 1px solid var(--cyan-primary);
  border-radius: 16px;
  padding: 40px;
  max-width: 480px;
  text-align: center;
  box-shadow: 0 0 50px rgba(0, 240, 255, 0.3);
}

.modal-badge {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--success);
  margin-bottom: 12px;
  font-weight: 800;
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-dim);
  margin-top: 16px;
  cursor: pointer;
  font-size: 13px;
}

/* Responsive */
@media (max-width: 768px) {
  .grid-hero { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .grid-testimonials { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  h1 { font-size: 36px; }
}