/* 
   Inglês Fluente - Futuristic Sales Page Stylesheet
   Modern, Cyberpunk, responsive, and highly animated.
*/

/* Google Fonts Import */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;600;700;800&family=Plus+Jakarta+Sans:wght@300;400;500;600;700&display=swap');

/* CSS Variables */
:root {
  --bg-dark: #05060f;
  --bg-darker: #020308;
  --bg-card: rgba(13, 18, 38, 0.5);
  --bg-card-hover: rgba(20, 27, 56, 0.75);
  
  --neon-cyan: #00f2fe;
  --neon-purple: #8a2be2;
  --neon-pink: #ff007f;
  --neon-yellow: #ffd700;
  
  --grad-primary: linear-gradient(135deg, var(--neon-cyan) 0%, var(--neon-purple) 100%);
  --grad-pink-purple: linear-gradient(135deg, var(--neon-pink) 0%, var(--neon-purple) 100%);
  --grad-cyan-pink: linear-gradient(135deg, var(--neon-cyan) 0%, var(--neon-pink) 100%);
  
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dark: #0f172a;
  
  --glow-cyan: 0 0 15px rgba(0, 242, 254, 0.45);
  --glow-purple: 0 0 15px rgba(138, 43, 226, 0.45);
  --glow-pink: 0 0 15px rgba(255, 0, 127, 0.45);
  
  --font-title: 'Outfit', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;
  
  --transition-fast: 0.2s ease;
  --transition-normal: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  outline: none;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font-body);
  overflow-x: hidden;
}

body {
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  line-height: 1.6;
}

/* Futuristic Cyber Grid Background */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    linear-gradient(rgba(0, 242, 254, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 242, 254, 0.02) 1px, transparent 1px);
  background-size: 50px 50px;
  background-position: center center;
  z-index: -2;
  pointer-events: none;
}

/* Ambient glow blobs */
.glow-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.15;
  z-index: -1;
  pointer-events: none;
}

.blob-1 {
  width: 400px;
  height: 400px;
  background: var(--neon-cyan);
  top: 5%;
  right: -10%;
  animation: pulse-glow 8s infinite alternate;
}

.blob-2 {
  width: 500px;
  height: 500px;
  background: var(--neon-purple);
  top: 35%;
  left: -15%;
  animation: pulse-glow 10s infinite alternate-reverse;
}

.blob-3 {
  width: 350px;
  height: 350px;
  background: var(--neon-pink);
  bottom: 10%;
  right: -5%;
  animation: pulse-glow 9s infinite alternate;
}

@keyframes pulse-glow {
  0% { transform: scale(1) translate(0, 0); opacity: 0.12; }
  100% { transform: scale(1.2) translate(20px, -20px); opacity: 0.22; }
}

/* Reusable UI Components & Utilities */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Scroll Reveal Base Class */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* Section Typographies */
.eyebrow {
  font-family: var(--font-title);
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  background: var(--grad-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-title);
  font-size: 2.8rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.section-title span.grad {
  background: var(--grad-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-subtitle {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 650px;
  margin-bottom: 40px;
}

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

.flex-center-col {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

/* Glassmorphism Card Style */
.glass-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 16px;
  padding: 32px;
  transition: border-color var(--transition-normal), transform var(--transition-normal), box-shadow var(--transition-normal), background var(--transition-normal);
}

.glass-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(0, 242, 254, 0.3);
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 242, 254, 0.05);
}

/* Glowing CTA Button */
.btn-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 18px 36px;
  font-family: var(--font-title);
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
  text-decoration: none;
  background: var(--grad-primary);
  border-radius: 12px;
  border: none;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  box-shadow: var(--glow-cyan);
  z-index: 1;
}

.btn-cta::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--grad-pink-purple);
  opacity: 0;
  z-index: -1;
  transition: opacity var(--transition-normal);
}

.btn-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 25px rgba(255, 0, 127, 0.6);
}

.btn-cta:hover::before {
  opacity: 1;
}

.btn-cta:active {
  transform: translateY(1px);
}

/* Pulsing ring animation around CTA */
.btn-container {
  position: relative;
  display: inline-block;
}

.btn-pulse {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border-radius: 12px;
  border: 2px solid var(--neon-cyan);
  animation: pulse-ring 2s infinite;
  pointer-events: none;
  z-index: 0;
}

@keyframes pulse-ring {
  0% { transform: scale(0.95); opacity: 0.8; }
  100% { transform: scale(1.15); opacity: 0; }
}

/* 1. Urgency Banner */
.urgency-bar {
  background: linear-gradient(90deg, #020308 0%, #0c0827 50%, #020308 100%);
  border-bottom: 1px solid rgba(0, 242, 254, 0.2);
  color: var(--text-main);
  padding: 10px 0;
  font-size: 0.9rem;
  text-align: center;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

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

.urgency-tag {
  background: rgba(255, 0, 127, 0.2);
  border: 1px solid var(--neon-pink);
  color: var(--neon-pink);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  animation: blink 1.5s infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.urgency-timer {
  font-weight: 700;
  color: var(--neon-cyan);
  font-family: monospace;
  font-size: 1rem;
}

/* 2. Hero Section */
.hero {
  padding: 100px 0 80px;
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  align-items: center;
  gap: 60px;
}

.hero-eyebrow {
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--neon-cyan);
  margin-bottom: 16px;
}

.hero-title {
  font-family: var(--font-title);
  font-size: 4rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 24px;
  letter-spacing: -0.03em;
}

.hero-title span {
  display: block;
}

.hero-title span.glow {
  background: var(--grad-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  position: relative;
  display: inline-block;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 40px;
  max-width: 600px;
}

.hero-cta-group {
  margin-bottom: 40px;
}

.hero-cta-info {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.dot-indicator {
  width: 8px;
  height: 8px;
  background-color: #00ff66;
  border-radius: 50%;
  display: inline-block;
  box-shadow: 0 0 10px #00ff66;
}

/* Social Proof Items */
.social-proof {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  max-width: 500px;
}

.proof-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 10px;
}

.proof-icon {
  color: var(--neon-cyan);
  font-size: 1.2rem;
  flex-shrink: 0;
}

.proof-text {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-main);
}

/* Hero Book Visualizer */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-visual::before {
  content: '';
  position: absolute;
  width: 130%;
  height: 130%;
  background: radial-gradient(circle, rgba(138, 43, 226, 0.15) 0%, transparent 60%);
  z-index: -1;
}

.hologram-stage {
  perspective: 1000px;
  width: 100%;
  max-width: 380px;
  aspect-ratio: 4/5;
  display: flex;
  justify-content: center;
  align-items: center;
}

.floating-ebook {
  width: 85%;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5), 0 0 30px rgba(0, 242, 254, 0.25);
  transform-style: preserve-3d;
  transform: rotateY(-15deg) rotateX(10deg);
  animation: floating-book 6s ease-in-out infinite alternate;
}

@keyframes floating-book {
  0% { transform: rotateY(-15deg) rotateX(10deg) translateY(0); }
  100% { transform: rotateY(-8deg) rotateX(8deg) translateY(-20px); }
}

/* Glowing tech rings behind the book */
.tech-rings {
  position: absolute;
  width: 450px;
  height: 450px;
  border: 1px dashed rgba(0, 242, 254, 0.15);
  border-radius: 50%;
  z-index: -1;
  animation: spin 30s linear infinite;
}

.tech-rings::after {
  content: '';
  position: absolute;
  top: 15px;
  left: 15px;
  right: 15px;
  bottom: 15px;
  border: 1px solid rgba(138, 43, 226, 0.1);
  border-radius: 50%;
  animation: spin-reverse 20s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

@keyframes spin-reverse {
  0% { transform: rotate(360deg); }
  100% { transform: rotate(0deg); }
}

/* 3. Pain Section */
.pain-section {
  padding: 80px 0;
  position: relative;
}

.pain-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 50px;
}

.pain-card {
  position: relative;
  overflow: hidden;
}

.pain-card::after {
  content: '0' url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="10" height="10" viewBox="0 0 10 10"><circle cx="5" cy="5" r="3" fill="%23ff007f"/></svg>');
  position: absolute;
  top: 20px;
  right: 20px;
  font-size: 0;
}

.pain-num {
  font-family: var(--font-title);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--neon-pink);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.pain-num::after {
  content: '';
  height: 1px;
  flex-grow: 1;
  background: linear-gradient(90deg, var(--neon-pink), transparent);
  margin-left: 15px;
}

.pain-text {
  font-size: 1.05rem;
  line-height: 1.6;
}

.pain-text em {
  color: var(--neon-pink);
  font-style: normal;
  font-weight: 600;
}

/* 4. Revelation Section */
.revelation {
  padding: 80px 0;
  position: relative;
}

.revelation-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 60px;
  align-items: center;
  margin-top: 50px;
}

.rev-content-text {
  font-size: 1.15rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 30px;
}

.rev-content-text strong {
  color: var(--text-main);
}

.rev-blocks-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.rev-block {
  display: flex;
  gap: 20px;
  padding: 24px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.01);
  border: 1px solid rgba(255, 255, 255, 0.04);
  transition: all var(--transition-normal);
}

.rev-block:hover {
  background: rgba(0, 242, 254, 0.03);
  border-color: rgba(0, 242, 254, 0.15);
  transform: translateX(5px);
}

.rev-icon {
  font-size: 1.8rem;
  line-height: 1;
  flex-shrink: 0;
  padding-top: 3px;
}

.rev-block-title {
  font-family: var(--font-title);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-main);
}

.rev-block-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
}

/* 5. Solution Section */
.solution {
  padding: 80px 0;
  position: relative;
}

.solution-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 60px;
  align-items: center;
  margin-top: 50px;
}

.solution-visual {
  display: flex;
  justify-content: center;
  position: relative;
}

.solution-visual::before {
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, rgba(0, 242, 254, 0.12) 0%, transparent 60%);
  z-index: -1;
}

.solution-img {
  width: 90%;
  max-width: 340px;
  height: auto;
  border-radius: 16px;
  box-shadow: var(--glow-cyan), 0 20px 40px rgba(0,0,0,0.6);
  animation: float-slow 8s ease-in-out infinite alternate;
}

@keyframes float-slow {
  0% { transform: translateY(0) rotate(2deg); }
  100% { transform: translateY(-15px) rotate(-2deg); }
}

.solution-body {
  padding-left: 20px;
}

.solution-lead {
  font-size: 1.2rem;
  line-height: 1.7;
  color: var(--text-muted);
  margin-bottom: 32px;
}

.solution-lead strong {
  color: var(--neon-cyan);
}

.solution-list {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.solution-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  font-size: 1.05rem;
  color: var(--text-main);
}

.solution-check {
  color: var(--neon-cyan);
  background: rgba(0, 242, 254, 0.1);
  border: 1px solid rgba(0, 242, 254, 0.3);
  width: 26px;
  height: 26px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-weight: bold;
  font-size: 0.8rem;
  box-shadow: 0 0 10px rgba(0, 242, 254, 0.2);
}

/* 6. Chapters Section */
.chapters {
  padding: 80px 0;
  position: relative;
}

.chapters-layout {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 40px;
  margin-top: 50px;
}

.chapters-nav {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.chapter-btn {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.05);
  color: var(--text-muted);
  padding: 16px 24px;
  border-radius: 12px;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-title);
  font-size: 1.1rem;
  font-weight: 700;
  transition: all var(--transition-fast);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.chapter-btn span.num {
  font-size: 0.85rem;
  background: rgba(255, 255, 255, 0.06);
  padding: 3px 10px;
  border-radius: 20px;
  font-family: monospace;
}

.chapter-btn:hover {
  background: rgba(138, 43, 226, 0.08);
  border-color: rgba(138, 43, 226, 0.3);
  color: var(--text-main);
}

.chapter-btn.active {
  background: var(--grad-primary);
  border-color: transparent;
  color: #fff;
  box-shadow: var(--glow-cyan);
}

.chapter-btn.active span.num {
  background: rgba(0, 0, 0, 0.2);
}

.chapters-display {
  display: flex;
  align-items: stretch;
}

.chapter-panel {
  display: none;
  width: 100%;
}

.chapter-panel.active {
  display: none; /* dynamically shown as active in js */
}

.chapter-panel.js-active {
  display: flex;
  flex-direction: column;
  justify-content: center;
  animation: fade-in 0.5s ease forwards;
}

@keyframes fade-in {
  from { opacity: 0; transform: translateY(15px); }
  to { opacity: 1; transform: translateY(0); }
}

.chapter-display-card {
  width: 100%;
  height: 100%;
  min-height: 350px;
  background: radial-gradient(circle at top right, rgba(138, 43, 226, 0.1), transparent), var(--bg-card);
  border: 1px solid rgba(138, 43, 226, 0.15);
  padding: 40px;
  border-radius: 16px;
  transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.chapter-display-card:hover {
  border-color: rgba(138, 43, 226, 0.4);
  box-shadow: var(--glow-purple);
}

.chapter-tag {
  color: var(--neon-cyan);
  font-family: var(--font-title);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.9rem;
  letter-spacing: 0.1em;
  margin-bottom: 12px;
  display: inline-block;
}

.chapter-title {
  font-family: var(--font-title);
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 8px;
  color: var(--text-main);
}

.chapter-sub {
  font-size: 1.1rem;
  color: var(--neon-purple);
  font-weight: 600;
  margin-bottom: 24px;
}

.chapter-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* 7. Bonus Section */
.bonus {
  padding: 80px 0;
  position: relative;
}

.bonus-card {
  background: radial-gradient(circle at top left, rgba(255, 215, 0, 0.08), transparent), var(--bg-card);
  border: 1px solid rgba(255, 215, 0, 0.2);
  border-radius: 24px;
  padding: 50px;
  display: grid;
  grid-template-columns: 1fr 0.9fr;
  gap: 50px;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.bonus-card::after {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(255, 215, 0, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.bonus-tag {
  background: rgba(255, 215, 0, 0.1);
  border: 1px solid var(--neon-yellow);
  color: var(--neon-yellow);
  padding: 6px 14px;
  border-radius: 30px;
  font-family: var(--font-title);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: inline-block;
  margin-bottom: 20px;
  box-shadow: 0 0 15px rgba(255, 215, 0, 0.15);
}

.bonus-title {
  font-family: var(--font-title);
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 16px;
}

.bonus-desc {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: 30px;
}

.bonus-list {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.bonus-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.05rem;
}

.bonus-icon {
  color: var(--neon-yellow);
  flex-shrink: 0;
  font-size: 1.2rem;
}

.bonus-value-tag {
  margin-top: 30px;
  padding: 12px 20px;
  background: rgba(255, 215, 0, 0.05);
  border-left: 4px solid var(--neon-yellow);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--neon-yellow);
  border-radius: 0 8px 8px 0;
}

.bonus-visual {
  display: flex;
  justify-content: center;
  position: relative;
}

.bonus-img {
  width: 90%;
  max-width: 320px;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.6), 0 0 25px rgba(255, 215, 0, 0.15);
  transform: rotate(3deg);
  transition: transform var(--transition-normal);
  animation: float-slow-2 7s ease-in-out infinite alternate;
}

@keyframes float-slow-2 {
  0% { transform: translateY(0) rotate(3deg); }
  100% { transform: translateY(-12px) rotate(1deg); }
}

.bonus-img:hover {
  transform: scale(1.03) rotate(0deg);
}

/* 8. For Whom Section */
.for-whom {
  padding: 80px 0;
  position: relative;
}

.for-whom-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 50px;
}

.whom-card {
  padding: 30px;
  background: rgba(255, 255, 255, 0.01);
}

.whom-icon {
  font-size: 2.2rem;
  margin-bottom: 20px;
  display: inline-block;
}

.whom-text {
  font-size: 1.05rem;
  color: var(--text-main);
  line-height: 1.6;
}

/* Warning alert box */
.warning-box {
  margin-top: 40px;
  background: rgba(255, 0, 127, 0.03);
  border: 1px dashed rgba(255, 0, 127, 0.3);
  border-radius: 16px;
  padding: 24px 32px;
  display: flex;
  gap: 20px;
  align-items: center;
}

.warning-icon {
  font-size: 2rem;
  color: var(--neon-pink);
  animation: pulse-warn 1.5s infinite;
}

@keyframes pulse-warn {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.1); opacity: 0.7; }
}

.warning-text {
  font-size: 1rem;
  color: var(--text-muted);
}

.warning-text strong {
  color: var(--text-main);
  display: block;
  margin-bottom: 4px;
  font-size: 1.1rem;
}

/* 9. Testimonials Section */
.testimonials {
  padding: 80px 0;
  position: relative;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 50px;
}

.testimonial-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.test-stars {
  color: var(--neon-yellow);
  font-size: 1rem;
  margin-bottom: 20px;
}

.test-text {
  font-size: 1.05rem;
  color: var(--text-main);
  line-height: 1.7;
  font-style: italic;
  margin-bottom: 24px;
}

.test-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.test-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--grad-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 1rem;
  color: #fff;
  box-shadow: 0 0 10px rgba(0, 242, 254, 0.2);
}

.test-info-name {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text-main);
}

.test-info-loc {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* 10. Pricing & Offer Section */
.pricing {
  padding: 80px 0;
  position: relative;
}

.pricing::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100vw;
  height: 100%;
  background: radial-gradient(circle, rgba(138, 43, 226, 0.08) 0%, transparent 70%);
  z-index: -2;
  pointer-events: none;
}

.offer-card {
  max-width: 800px;
  margin: 50px auto 0;
  background: radial-gradient(circle at top right, rgba(0, 242, 254, 0.05), transparent), var(--bg-card);
  border: 1px solid rgba(0, 242, 254, 0.25);
  border-radius: 24px;
  padding: 48px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--glow-cyan), 0 30px 60px rgba(0,0,0,0.8);
}

.offer-card::before {
  content: '🔥';
  position: absolute;
  top: -20px;
  right: -20px;
  font-size: 5rem;
  opacity: 0.05;
}

.offer-header {
  text-align: center;
  margin-bottom: 36px;
}

.offer-tag {
  background: var(--grad-primary);
  color: #fff;
  padding: 6px 18px;
  border-radius: 30px;
  font-family: var(--font-title);
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: inline-block;
  margin-bottom: 16px;
  box-shadow: var(--glow-cyan);
}

.offer-title {
  font-family: var(--font-title);
  font-size: 2.2rem;
  font-weight: 800;
}

.offer-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: center;
}

.offer-includes {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.offer-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.05rem;
}

.offer-check {
  color: var(--neon-cyan);
  font-size: 1.1rem;
}

.offer-price-box {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 16px;
  padding: 30px;
  text-align: center;
  position: relative;
}

.price-old {
  font-size: 1.1rem;
  color: var(--text-muted);
  text-decoration: line-through;
  margin-bottom: 4px;
}

.price-new {
  font-family: var(--font-title);
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--neon-cyan);
  line-height: 1;
  margin-bottom: 8px;
  text-shadow: 0 0 20px rgba(0, 242, 254, 0.3);
}

.price-new span {
  font-size: 1.5rem;
  font-weight: 600;
}

.price-info {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 24px;
}

.offer-cta-group {
  margin-top: 24px;
}

.offer-cta-info {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 12px;
}

.offer-guarantee-line {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--neon-pink);
  margin-top: 16px;
  font-weight: 600;
}

/* 11. Guarantee Section */
.guarantee {
  padding: 60px 0;
  position: relative;
}

.guarantee-box {
  background: rgba(13, 18, 38, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: 20px;
  padding: 40px;
  display: flex;
  align-items: center;
  gap: 40px;
  max-width: 900px;
  margin: 0 auto;
}

.guarantee-seal {
  width: 140px;
  height: 140px;
  background: radial-gradient(circle, rgba(138, 43, 226, 0.15) 0%, transparent 60%);
  border: 2px dashed rgba(0, 242, 254, 0.3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  position: relative;
  animation: rotate-dashed 40s linear infinite;
}

.guarantee-seal::after {
  content: '🛡️';
  position: absolute;
  font-size: 3rem;
  transform: rotate(0deg);
  animation: anti-rotate 40s linear infinite;
}

@keyframes rotate-dashed {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes anti-rotate {
  from { transform: rotate(360deg); }
  to { transform: rotate(0deg); }
}

.guarantee-content h3 {
  font-family: var(--font-title);
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.guarantee-content p {
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.6;
}

/* 12. FAQ Section */
.faq {
  padding: 80px 0;
  position: relative;
}

.faq-accordion {
  max-width: 800px;
  margin: 50px auto 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  border-radius: 12px;
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.05);
  overflow: hidden;
  transition: all var(--transition-normal);
}

.faq-item:hover {
  border-color: rgba(0, 242, 254, 0.15);
}

.faq-item.active {
  background: rgba(13, 18, 38, 0.7);
  border-color: rgba(0, 242, 254, 0.25);
}

.faq-question {
  width: 100%;
  padding: 24px;
  background: none;
  border: none;
  text-align: left;
  color: var(--text-main);
  font-family: var(--font-title);
  font-size: 1.15rem;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}

.faq-toggle-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  transition: transform var(--transition-normal), background var(--transition-normal);
  flex-shrink: 0;
}

.faq-item.active .faq-toggle-icon {
  transform: rotate(180deg);
  background: var(--neon-cyan);
  color: var(--bg-darker);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal) ease-in-out;
  padding: 0 24px;
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.6;
}

.faq-item.active .faq-answer {
  padding-bottom: 24px;
}

/* 13. Final CTA Section */
.final-cta {
  padding: 100px 0 120px;
  position: relative;
  text-align: center;
  background: linear-gradient(180deg, var(--bg-dark) 0%, var(--bg-darker) 100%);
}

.final-cta-card {
  max-width: 800px;
  margin: 0 auto;
}

.final-title {
  font-family: var(--font-title);
  font-size: 3.2rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.final-text {
  font-size: 1.25rem;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto 40px;
}

.final-cta-btn-box {
  margin-bottom: 30px;
}

.final-reassurance {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  font-size: 0.9rem;
  color: var(--text-muted);
  flex-wrap: wrap;
}

.final-reassurance span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.final-reassurance span::before {
  content: '✓';
  color: var(--neon-cyan);
  font-weight: 700;
}

.final-reassurance span.warn::before {
  content: '🛡️';
}

/* Footer Section */
.footer {
  padding: 40px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.03);
  background-color: var(--bg-darker);
  font-size: 0.85rem;
  color: var(--text-muted);
  text-align: center;
}

.footer-nav {
  margin-bottom: 20px;
}

.footer-nav a {
  color: var(--text-muted);
  text-decoration: none;
  margin: 0 12px;
  transition: color var(--transition-fast);
}

.footer-nav a:hover {
  color: var(--neon-cyan);
}

.footer-copyright {
  opacity: 0.7;
}

/* --- MOBILE RESPONSIVENESS & FLUIDITY --- */

@media (max-width: 1024px) {
  html {
    font-size: 15px;
  }
  
  .hero-title {
    font-size: 3.5rem;
  }
  
  .hero-grid {
    gap: 40px;
  }
}

@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .hero-subtitle {
    margin-left: auto;
    margin-right: auto;
  }
  
  .social-proof {
    margin-left: auto;
    margin-right: auto;
  }
  
  .hero-cta-info {
    justify-content: center;
  }
  
  .hologram-stage {
    margin-left: auto;
    margin-right: auto;
    max-width: 300px;
  }
  
  .pain-grid {
    grid-template-columns: 1fr 1fr;
  }
  
  .revelation-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .solution-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .solution-visual {
    order: -1;
  }
  
  .chapters-layout {
    grid-template-columns: 1fr;
  }
  
  .chapters-nav {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .chapter-btn {
    padding: 12px 18px;
    font-size: 0.95rem;
  }
  
  .bonus-card {
    grid-template-columns: 1fr;
    padding: 36px;
    gap: 30px;
  }
  
  .bonus-visual {
    order: -1;
  }
  
  .for-whom-grid {
    grid-template-columns: 1fr 1fr;
  }
  
  .testimonials-grid {
    grid-template-columns: 1fr;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
  }
  
  .offer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  
  .offer-price-box {
    max-width: 400px;
    margin: 0 auto;
    width: 100%;
  }
  
  .guarantee-box {
    flex-direction: column;
    text-align: center;
    padding: 30px;
  }
}

@media (max-width: 600px) {
  html {
    font-size: 14px;
  }
  
  .section-title {
    font-size: 2.2rem;
  }
  
  .hero-title {
    font-size: 2.8rem;
  }
  
  .pain-grid {
    grid-template-columns: 1fr;
  }
  
  .for-whom-grid {
    grid-template-columns: 1fr;
  }
  
  .chapters-nav {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }
  
  .chapter-btn {
    padding: 10px;
    font-size: 0.85rem;
    justify-content: center;
  }
  
  .chapter-btn span.num {
    display: none;
  }
  
  .chapter-display-card {
    padding: 24px;
  }
  
  .bonus-title {
    font-size: 1.8rem;
  }
  
  .offer-card {
    padding: 24px;
  }
  
  .final-title {
    font-size: 2.4rem;
  }
  
  .warning-box {
    flex-direction: column;
    text-align: center;
    padding: 20px;
  }
}

@media (max-width: 400px) {
  .chapters-nav {
    grid-template-columns: 1fr;
  }
}