/* RapidRebus Landing Page Styles */

/* ===== CSS CUSTOM PROPERTIES ===== */
:root {
  /* Brand Colors from Flutter App */
  --primary-green: #2D5A3D;
  --accent-orange: #FF6B35;
  --warm-cream: #FDF7E4;
  --neutral-white: #FFFFFF;
  --trust-blue: #4A90C2;
  --subtle-gray: #F5F7FA;
  --text-dark: #2C3E50;
  --text-medium: #5A6C7D;
  --text-light: #8B9AAB;
  --success-green: #27AE60;
  --warning-yellow: #F39C12;
  --error-red: #E74C3C;
  --info-blue: #3498DB;
  
  /* Gradients */
  --primary-gradient: linear-gradient(135deg, var(--primary-green), var(--trust-blue));
  --accent-gradient: linear-gradient(135deg, var(--accent-orange), var(--warning-yellow));
  --hero-gradient: linear-gradient(135deg, var(--primary-green), var(--trust-blue), var(--accent-orange));
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  
  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Open Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1);
  --shadow-primary: 0 10px 25px rgba(45, 90, 61, 0.2);
  --shadow-accent: 0 10px 25px rgba(255, 107, 53, 0.2);
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-2xl: 2rem;
  
  /* Transitions */
  --transition-fast: 0.15s ease-out;
  --transition-normal: 0.3s ease-out;
  --transition-slow: 0.5s ease-out;
}

/* ===== RESET & BASE STYLES ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  line-height: 1.6;
  color: var(--text-dark);
  background-color: var(--neutral-white);
}

a {
  text-decoration: none;
  color: inherit;
}

img {
  max-width: 100%;
  height: auto;
}

/* ===== LAYOUT & CONTAINER ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

@media (max-width: 768px) {
  .container {
    padding: 0 var(--spacing-md);
  }
}

/* ===== NAVIGATION ===== */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  z-index: 1000;
  transition: var(--transition-normal);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md) var(--spacing-lg);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.logo {
  width: 32px;
  height: 32px;
}

.brand-name {
  font-family: var(--font-primary);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-green);
}

.nav-menu {
  display: flex;
  gap: var(--spacing-xl);
}

.nav-link {
  font-weight: 500;
  color: var(--text-medium);
  transition: var(--transition-fast);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-sm);
}

.nav-link:hover {
  color: var(--primary-green);
  background-color: rgba(45, 90, 61, 0.05);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
}

.nav-toggle span {
  width: 25px;
  height: 3px;
  background-color: var(--text-dark);
  margin: 3px 0;
  transition: var(--transition-fast);
}

@media (max-width: 768px) {
  .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--neutral-white);
    flex-direction: column;
    box-shadow: var(--shadow-lg);
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    padding: var(--spacing-lg) 0;
    z-index: 1000;
  }
  
  .nav-menu.active {
    display: flex;
  }
  
  .nav-menu .nav-link {
    padding: var(--spacing-md) var(--spacing-xl);
    text-align: center;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    transition: var(--transition-fast);
  }
  
  .nav-menu .nav-link:last-child {
    border-bottom: none;
  }
  
  .nav-menu .nav-link:hover {
    background-color: var(--subtle-gray);
  }
  
  .nav-toggle {
    display: flex;
    position: relative;
    z-index: 1001;
  }
  
  .nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  
  .nav-toggle.active span:nth-child(2) {
    opacity: 0;
  }
  
  .nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
  }
}

/* ===== HERO SECTION ===== */
.hero {
  background: var(--hero-gradient);
  padding: calc(80px + var(--spacing-3xl)) 0 var(--spacing-3xl);
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: visible;
  z-index: 1;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="2" fill="rgba(255,255,255,0.1)"/></svg>');
  background-size: 50px 50px;
  animation: float 20s infinite linear;
  z-index: 0;
  pointer-events: none;
}

@keyframes float {
  0% { transform: translateY(0px); }
  100% { transform: translateY(-100px); }
}

/* Ensure hero content doesn't overflow into other sections */
.hero {
  contain: layout style paint;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  align-items: center;
  position: relative;
  z-index: 10;
}

.hero-title {
  font-family: var(--font-primary);
  font-size: 3.5rem;
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: var(--spacing-sm);
}

.hero-tagline {
  font-family: var(--font-primary);
  font-size: 1.4rem;
  font-weight: 400;
  font-style: italic;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: var(--spacing-md);
  letter-spacing: 0.5px;
}

.free-badge {
  display: inline-block;
  margin-bottom: var(--spacing-lg);
}

.free-text {
  background: linear-gradient(135deg, var(--success-green), var(--warning-yellow));
  color: var(--neutral-white);
  font-family: var(--font-primary);
  font-weight: 700;
  font-size: 1rem;
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-lg);
  text-transform: uppercase;
  letter-spacing: 1px;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
    box-shadow: var(--shadow-lg);
  }
  50% {
    transform: scale(1.05);
    box-shadow: 0 15px 30px rgba(39, 174, 96, 0.4);
  }
}

.gradient-text {
  background: linear-gradient(135deg, var(--neutral-white), rgba(255, 255, 255, 0.8));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--spacing-xl);
  max-width: 90%;
}

.hero-features {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-2xl);
}

.feature-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  color: rgba(255, 255, 255, 0.9);
  font-weight: 500;
}

.feature-icon {
  font-size: 1.5rem;
}

.hero-actions {
  display: flex;
  gap: var(--spacing-lg);
  position: relative;
  z-index: 20;
}

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

.puzzle-demo {
  position: relative;
  animation: floatPuzzle 3s ease-in-out infinite alternate;
}

.puzzle-rotating {
  position: relative;
}

.puzzle-rotating::before {
  content: '\f2f1';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  position: absolute;
  top: -10px;
  right: -10px;
  background: var(--primary-green);
  color: var(--neutral-white);
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  z-index: 10;
  animation: spin 2s linear infinite;
  box-shadow: var(--shadow-md);
}

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

@keyframes floatPuzzle {
  0% { transform: translateY(0px); }
  100% { transform: translateY(-10px); }
}

.puzzle-card {
  background: var(--neutral-white);
  border-radius: var(--radius-2xl);
  padding: var(--spacing-2xl);
  box-shadow: var(--shadow-xl);
  min-width: 300px;
}

.puzzle-clues {
  display: flex;
  justify-content: center;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.clue-item {
  width: 80px;
  height: 80px;
  background: var(--warm-cream);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  border: 2px solid var(--subtle-gray);
  transition: var(--transition-normal);
}

.clue-item:hover {
  transform: scale(1.05);
  border-color: var(--primary-green);
}

.answer-boxes {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  justify-content: center;
}

.answer-box {
  width: 40px;
  height: 40px;
  background: var(--primary-green);
  color: var(--neutral-white);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 1.1rem;
  animation: typeWriter 0.5s ease-out forwards;
  opacity: 0;
  transform: scale(0.8);
}

.answer-box:nth-child(1) { animation-delay: 0.1s; }
.answer-box:nth-child(2) { animation-delay: 0.2s; }
.answer-box:nth-child(3) { animation-delay: 0.3s; }
.answer-box:nth-child(4) { animation-delay: 0.4s; }
.answer-box:nth-child(5) { animation-delay: 0.5s; }
.answer-box:nth-child(6) { animation-delay: 0.6s; }
.answer-box:nth-child(7) { animation-delay: 0.7s; }
.answer-box:nth-child(8) { animation-delay: 0.8s; }
.answer-box:nth-child(9) { animation-delay: 0.9s; }
.answer-box:nth-child(10) { animation-delay: 1.0s; }

@keyframes typeWriter {
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.success-animation {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  opacity: 0;
  animation: celebrate 2s ease-out 1.5s forwards;
}

@keyframes celebrate {
  0% { opacity: 0; transform: translate(-50%, -50%) scale(0.8); }
  50% { opacity: 1; transform: translate(-50%, -50%) scale(1.1); }
  100% { opacity: 0; transform: translate(-50%, -50%) scale(1); }
}

.success-text {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-size: 2rem;
  font-weight: 700;
  font-family: var(--font-primary);
  text-align: center;
}

.hero-download {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
  position: relative;
  z-index: 15;
}

.hero-download-text {
  text-align: center;
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.1rem;
}

.hero-store-buttons {
  display: flex;
  gap: var(--spacing-lg);
  align-items: center;
}

.hero-store-button {
  display: block;
  transition: var(--transition-normal);
  width: 160px;
  height: 50px;
}

.hero-store-button:hover {
  transform: scale(1.05);
}

.hero-store-button img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
}

@media (max-width: 968px) {
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-tagline {
    font-size: 1.2rem;
  }
  
  .hero-actions {
    justify-content: center;
  }
  
  /* Add more top padding on mobile to prevent navbar overlap */
  .hero {
    padding: calc(100px + var(--spacing-2xl)) 0 var(--spacing-3xl);
  }
}

@media (max-width: 640px) {
  .hero-title {
    font-size: 2rem;
  }
  
  .hero-tagline {
    font-size: 1rem;
  }
  
  .free-text {
    font-size: 0.9rem;
    padding: var(--spacing-xs) var(--spacing-md);
    letter-spacing: 0.5px;
  }
  
  .hero-actions {
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
  }
  
  /* Ensure buttons have proper spacing from navbar */
  .hero-actions .btn {
    position: relative;
    z-index: 30;
    width: 100%;
    max-width: 280px;
    justify-content: center;
    margin-bottom: var(--spacing-md);
  }
  
  /* Extra mobile padding for very small screens */
  .hero {
    padding: calc(120px + var(--spacing-xl)) 0 var(--spacing-3xl);
  }
  
  .puzzle-card {
    min-width: 250px;
    padding: var(--spacing-lg);
  }
  
  .clue-item {
    width: 60px;
    height: 60px;
    font-size: 1.5rem;
  }
  
  .answer-box {
    width: 30px;
    height: 30px;
    font-size: 0.9rem;
  }
  
  .hero-store-buttons {
    flex-direction: column;
    gap: var(--spacing-md);
  }
  
  .hero-store-button {
    width: 140px;
    height: 45px;
  }
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  border-radius: var(--radius-lg);
  font-weight: 600;
  font-size: 1.1rem;
  transition: var(--transition-normal);
  cursor: pointer;
  text-decoration: none;
  border: none;
  font-family: var(--font-body);
  position: relative;
  z-index: 25;
}

.btn-primary {
  background: var(--neutral-white);
  color: var(--primary-green);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  background: var(--warm-cream);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background: transparent;
  color: var(--neutral-white);
  border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.5);
}

.btn-icon {
  transition: var(--transition-fast);
}

.btn:hover .btn-icon {
  transform: translateX(2px);
}

/* ===== SECTIONS ===== */
.section-header {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
}

.section-title {
  font-family: var(--font-primary);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: var(--spacing-lg);
}

.section-subtitle {
  font-size: 1.2rem;
  color: var(--text-medium);
  max-width: 600px;
  margin: 0 auto;
}

/* ===== INTERACTIVE DEMOS SECTION ===== */
.interactive-demos {
  padding: var(--spacing-3xl) 0;
  background: var(--neutral-white);
  position: relative;
  z-index: 2;
}

.demos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-3xl);
  max-width: 1400px;
  margin-left: auto;
  margin-right: auto;
}

.demo-card {
  background: var(--neutral-white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  border: 2px solid transparent;
  transition: var(--transition-normal);
  cursor: pointer;
  overflow: hidden;
  position: relative;
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.6s ease-out forwards;
}

.demo-card:nth-child(1) { animation-delay: 0.1s; }
.demo-card:nth-child(2) { animation-delay: 0.2s; }
.demo-card:nth-child(3) { animation-delay: 0.3s; }
.demo-card:nth-child(4) { animation-delay: 0.4s; }
.demo-card:nth-child(5) { animation-delay: 0.5s; }
.demo-card:nth-child(6) { animation-delay: 0.6s; }

.demo-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary-green);
}

.demo-card[data-solved="true"] {
  border-color: var(--success-green);
  background: linear-gradient(135deg, var(--neutral-white), rgba(39, 174, 96, 0.05));
}

.demo-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-lg) var(--spacing-xl);
  background: var(--subtle-gray);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.demo-header h3 {
  font-family: var(--font-primary);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-dark);
}

.demo-timer {
  font-size: 0.9rem;
  color: var(--text-medium);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.demo-puzzle {
  padding: var(--spacing-xl);
  text-align: center;
}

.demo-clues {
  display: flex;
  justify-content: center;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
  min-height: 80px;
  align-items: center;
}

.demo-clue {
  width: 70px;
  height: 70px;
  background: var(--warm-cream);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  border: 2px solid var(--subtle-gray);
  transition: var(--transition-normal);
}

.demo-clue:hover {
  transform: scale(1.05);
  border-color: var(--primary-green);
}

.demo-clue.pi-symbol {
  font-family: 'Times New Roman', serif;
  font-size: 2.5rem;
  font-weight: bold;
  color: var(--primary-green);
  background: var(--neutral-white);
  border: 2px solid var(--primary-green);
}

.demo-clues.special-layout {
  flex-direction: column;
  position: relative;
  height: 80px;
}

.demo-text {
  font-family: var(--font-primary);
  font-weight: 600;
  font-size: 1.2rem;
  color: var(--text-dark);
  position: absolute;
}

.demo-text.top {
  top: 0;
  left: 50%;
  transform: translateX(-50%);
}

.demo-text.bottom {
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  font-size: 1.5rem;
  color: var(--primary-green);
}

.demo-clue-combo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-md);
}

.demo-word {
  font-family: var(--font-primary);
  font-weight: 600;
  font-size: 1.3rem;
  color: var(--text-dark);
  padding: var(--spacing-sm) var(--spacing-md);
  border: 2px solid var(--subtle-gray);
  border-radius: var(--radius-md);
  background: var(--warm-cream);
}

.demo-word.crossed-out {
  position: relative;
  color: var(--text-light);
}

.demo-word.crossed-out::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--error-red);
  transform: translateY(-50%);
}

.demo-text-lines {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-xs);
  width: 100%;
}

.reading-line {
  font-family: var(--font-primary);
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--text-dark);
  letter-spacing: 3px;
}

.between-text {
  font-family: var(--font-primary);
  font-weight: 600;
  font-size: 0.8rem;
  color: var(--primary-green);
  background: rgba(45, 90, 61, 0.1);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  border: 1px dashed var(--primary-green);
}

.crossed-reading {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
}

.reading-text {
  font-family: var(--font-primary);
  font-weight: 700;
  font-size: 1.8rem;
  color: var(--text-dark);
  letter-spacing: 2px;
  position: relative;
  z-index: 2;
}

.cross-line {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 120%;
  height: 3px;
  background: var(--error-red);
  z-index: 3;
}

.answer-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  justify-content: center;
  max-width: 300px;
  margin: 0 auto;
}

.answer-grid.mind-over-matter {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
  max-width: 350px;
}

.answer-grid.reading-between-lines {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
  max-width: 400px;
}

.answer-grid.i-understand {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
  max-width: 380px;
}

.word-row {
  display: flex;
  gap: var(--spacing-xs);
  justify-content: center;
}

.demo-box {
  width: 35px;
  height: 35px;
  background: var(--subtle-gray);
  color: var(--text-medium);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 1rem;
  transition: var(--transition-normal);
}

.demo-box.revealed {
  background: var(--primary-green);
  color: var(--neutral-white);
  transform: scale(1.1);
  animation: revealLetter 0.5s ease-out;
}

@keyframes revealLetter {
  0% {
    transform: scale(0.8);
    opacity: 0;
  }
  50% {
    transform: scale(1.2);
  }
  100% {
    transform: scale(1.1);
    opacity: 1;
  }
}

.demo-hint {
  padding: var(--spacing-md) var(--spacing-xl);
  background: rgba(45, 90, 61, 0.05);
  color: var(--text-medium);
  font-style: italic;
  font-size: 0.9rem;
  border-top: 1px solid rgba(0, 0, 0, 0.05);
}

.demo-action {
  padding: var(--spacing-lg) var(--spacing-xl);
  text-align: center;
}

.demo-btn {
  background: var(--primary-gradient);
  color: var(--neutral-white);
  border: none;
  padding: var(--spacing-md) var(--spacing-xl);
  border-radius: var(--radius-lg);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-normal);
  font-family: var(--font-body);
}

.demo-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.demo-btn:disabled {
  background: var(--success-green);
  cursor: not-allowed;
  transform: none;
}

.demos-cta {
  text-align: center;
  padding: var(--spacing-2xl);
  background: var(--subtle-gray);
  border-radius: var(--radius-xl);
  margin-top: var(--spacing-2xl);
}

.demos-cta p {
  font-size: 1.1rem;
  color: var(--text-medium);
  margin-bottom: var(--spacing-lg);
}

.demo-success {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(39, 174, 96, 0.95);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--neutral-white);
  opacity: 0;
  transform: scale(0.8);
  transition: var(--transition-normal);
  border-radius: var(--radius-xl);
}

.demo-success.show {
  opacity: 1;
  transform: scale(1);
}

.demo-success h4 {
  font-family: var(--font-primary);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
}

.demo-success p {
  font-size: 1rem;
  opacity: 0.9;
}

@media (max-width: 768px) {
  .demos-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
  
  .demo-clue {
    width: 60px;
    height: 60px;
    font-size: 1.5rem;
  }
  
  .demo-box {
    width: 30px;
    height: 30px;
    font-size: 0.9rem;
  }
  
  .reading-line {
    font-size: 0.9rem;
    letter-spacing: 2px;
  }
  
  .between-text {
    font-size: 0.7rem;
  }
  
  .demo-text {
    font-size: 1rem !important;
  }
  
  .demo-text.bottom {
    font-size: 1.2rem !important;
  }
  
  .reading-text {
    font-size: 1.4rem;
    letter-spacing: 1px;
  }
  
  .cross-line {
    width: 110%;
    height: 2px;
  }
  
  .answer-grid.mind-over-matter {
    max-width: 280px;
  }
  
  .answer-grid.reading-between-lines {
    max-width: 320px;
  }
  
  .answer-grid.i-understand {
    max-width: 300px;
  }
  
  .word-row {
    gap: var(--spacing-xs);
  }
}

/* ===== FEATURES SECTION ===== */
.features {
  padding: var(--spacing-3xl) 0;
  background: var(--subtle-gray);
  position: relative;
  z-index: 2;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-2xl);
}

.feature-card {
  background: var(--neutral-white);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-normal);
  text-align: center;
  border: 1px solid rgba(0, 0, 0, 0.05);
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.feature-icon-wrapper {
  width: 80px;
  height: 80px;
  background: var(--primary-gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-lg);
  font-size: 2rem;
}

.feature-card h3 {
  font-family: var(--font-primary);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: var(--spacing-md);
}

.feature-card p {
  color: var(--text-medium);
  line-height: 1.6;
}

.feature-card.free-highlight {
  background: linear-gradient(135deg, var(--neutral-white), rgba(39, 174, 96, 0.05));
  border: 2px solid var(--success-green);
  position: relative;
  overflow: visible;
}



.feature-card.free-highlight .feature-icon-wrapper {
  background: linear-gradient(135deg, var(--success-green), var(--warning-yellow));
  animation: glow 3s ease-in-out infinite alternate;
}

@keyframes glow {
  0% {
    box-shadow: 0 0 5px rgba(39, 174, 96, 0.5);
  }
  100% {
    box-shadow: 0 0 20px rgba(39, 174, 96, 0.8);
  }
}

/* ===== SCREENSHOTS SECTION ===== */
.screenshots {
  padding: var(--spacing-3xl) 0;
  background: var(--neutral-white);
  position: relative;
  z-index: 2;
}

.screenshots-carousel {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-2xl);
}

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

.screenshot-item img {
  width: 100%;
  max-width: 300px;
  height: auto;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  margin-bottom: var(--spacing-lg);
  transition: var(--transition-normal);
}

.screenshot-item img:hover {
  transform: scale(1.05);
}

.screenshot-caption h4 {
  font-family: var(--font-primary);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: var(--spacing-sm);
}

.screenshot-caption p {
  color: var(--text-medium);
}

/* ===== DOWNLOAD SECTION ===== */
.download {
  padding: var(--spacing-3xl) 0;
  background: var(--primary-gradient);
  color: var(--neutral-white);
  position: relative;
  z-index: 2;
}

.download-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  align-items: center;
}

.download-text h2 {
  font-family: var(--font-primary);
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-lg);
}

.download-text p {
  font-size: 1.1rem;
  margin-bottom: var(--spacing-2xl);
  opacity: 0.9;
}

.download-stats {
  display: flex;
  gap: var(--spacing-2xl);
}

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

.stat-number {
  font-family: var(--font-primary);
  font-size: 2rem;
  font-weight: 700;
  display: block;
}

.stat-label {
  font-size: 0.9rem;
  opacity: 0.8;
}

.download-buttons {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  align-items: center;
}

.store-button {
  display: block;
  transition: var(--transition-normal);
  width: 180px;
  height: 60px;
}

.store-button:hover {
  transform: scale(1.05);
}

.store-button img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
}

@media (max-width: 768px) {
  .download-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .download-stats {
    justify-content: center;
  }
  
  .store-button {
    width: 160px;
    height: 50px;
  }
}

@media (max-width: 480px) {
  .store-button {
    width: 140px;
    height: 45px;
  }
  
  .download-buttons {
    gap: var(--spacing-md);
  }
}

/* ===== FAQ SECTION ===== */
.faq {
  padding: var(--spacing-3xl) 0;
  background: var(--subtle-gray);
  position: relative;
  z-index: 2;
}

.faq-grid {
  display: grid;
  gap: var(--spacing-lg);
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--neutral-white);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(0, 0, 0, 0.05);
  overflow: hidden;
  transition: var(--transition-normal);
}

.faq-item:hover {
  box-shadow: var(--shadow-md);
}

.faq-question {
  padding: var(--spacing-lg) var(--spacing-xl);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition-normal);
}

.faq-question:hover {
  background: rgba(45, 90, 61, 0.02);
}

.faq-question h3 {
  font-family: var(--font-primary);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-dark);
}

.faq-toggle {
  font-size: 1.5rem;
  color: var(--primary-green);
  font-weight: 300;
  transition: var(--transition-normal);
}

.faq-answer {
  padding: 0 var(--spacing-xl) var(--spacing-lg);
  color: var(--text-medium);
  line-height: 1.6;
  display: none;
}

.faq-item.active .faq-answer {
  display: block;
}

.faq-item.active .faq-toggle {
  transform: rotate(45deg);
}

/* ===== FOOTER ===== */
.footer {
  background: var(--text-dark);
  color: var(--neutral-white);
  padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-2xl);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
}

.footer-logo {
  width: 40px;
  height: 40px;
  border-radius: 7px;
}

.footer-brand-name {
  font-family: var(--font-primary);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--neutral-white);
}

.footer-description {
  margin-bottom: var(--spacing-lg);
  opacity: 0.8;
  line-height: 1.6;
}

.footer-social {
  display: flex;
  gap: var(--spacing-md);
}

.social-link {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-normal);
}

.social-link:hover {
  background: var(--primary-green);
  transform: translateY(-2px);
}

.footer-section h4 {
  font-family: var(--font-primary);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: var(--spacing-lg);
  color: var(--neutral-white);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: var(--spacing-sm);
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  transition: var(--transition-fast);
}

.footer-links a:hover {
  color: var(--neutral-white);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--spacing-lg);
  text-align: center;
  opacity: 0.7;
}

.footer-bottom p {
  margin-bottom: var(--spacing-sm);
}

@media (max-width: 768px) {
  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .footer-social {
    justify-content: center;
  }
}

/* ===== MODAL ===== */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 2000;
  backdrop-filter: blur(5px);
}

.modal.active {
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-content {
  background: var(--neutral-white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  max-width: 500px;
  width: 90%;
  max-height: 80vh;
  overflow-y: auto;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-lg) var(--spacing-xl);
  border-bottom: 1px solid var(--subtle-gray);
}

.modal-header h3 {
  font-family: var(--font-primary);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-dark);
}

.modal-close {
  font-size: 2rem;
  cursor: pointer;
  color: var(--text-medium);
  transition: var(--transition-fast);
}

.modal-close:hover {
  color: var(--error-red);
}

.modal-body {
  padding: var(--spacing-xl);
}

.contact-info {
  margin-top: var(--spacing-lg);
}

.contact-item {
  margin-bottom: var(--spacing-md);
  padding: var(--spacing-md);
  background: var(--subtle-gray);
  border-radius: var(--radius-md);
}

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

.animate-fade-in-up {
  animation: fadeInUp 0.6s ease-out;
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 640px) {
  .section-title {
    font-size: 2rem;
  }
  
  .section-subtitle {
    font-size: 1rem;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .screenshots-carousel {
    grid-template-columns: 1fr;
  }
  
  .download-stats {
    flex-direction: column;
    gap: var(--spacing-lg);
  }
}

/* ===== ACCESSIBILITY ===== */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Focus indicators */
.btn:focus,
.nav-link:focus,
.social-link:focus {
  outline: 2px solid var(--primary-green);
  outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --text-light: #666;
    --subtle-gray: #e0e0e0;
  }
}

/* ===== PRINT STYLES ===== */
@media print {
  .navbar,
  .hero,
  .modal {
    display: none !important;
  }
  
  body {
    background: white !important;
    color: black !important;
  }
  
  .section-title {
    color: black !important;
  }
}