/* DESIGN SYSTEM & TOKENS */
:root {
  --bg-primary: #050505;
  --bg-secondary: #0A0A0A;
  --surface: #111111;
  --surface-light: #1A1A1A;
  --surface-elevated: #1E1E1E;
  --border: #1F1F1F;
  --border-light: #2A2A2A;
  --text-primary: #FFFFFF;
  --text-secondary: #A0A0A0;
  --text-muted: #666666;
  
  /* Brand Colors */
  --primary: #A3E635; /* Lime green */
  --primary-dark: #84CC16;
  --primary-light: #BEF264;
  --primary-glow: rgba(163, 230, 53, 0.15);
  
  --secondary: #8B5CF6; /* Violet */
  --secondary-light: #A78BFA;
  --secondary-glow: rgba(139, 92, 246, 0.15);
  
  --streak: #FF6B6B; /* Neon red */
  --streak-glow: rgba(255, 107, 107, 0.15);
  
  --xp: #FFD700; /* Gold */
  --xp-glow: rgba(255, 215, 0, 0.15);
  
  --success: #22C55E;
  --error: #EF4444;
  
  /* Font Families */
  --font-header: 'Outfit', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;
  
  /* Layout */
  --header-height: 80px;
  --max-width: 1200px;
  
  /* Animation */
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

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

/* BILINGUAL TOGGLES */
body.lang-en .ru-text { display: none !important; }
body.lang-ru .en-text { display: none !important; }

/* AMBIENT GLOW EFFECTS */
.glow-bg {
  position: absolute;
  border-radius: 50%;
  filter: blur(140px);
  z-index: -1;
  opacity: 0.35;
  pointer-events: none;
}

.glow-bg-1 {
  width: 400px;
  height: 400px;
  background: var(--secondary);
  top: 10%;
  right: -100px;
}

.glow-bg-2 {
  width: 500px;
  height: 500px;
  background: var(--primary);
  top: 40%;
  left: -150px;
}

.glow-bg-3 {
  width: 450px;
  height: 450px;
  background: var(--secondary);
  bottom: 15%;
  right: -50px;
}

/* TYPOGRAPHY */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-header);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

/* LAYOUT CONTAINER */
.section-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 80px 24px;
}

.text-center { text-align: center; }
.w-full { width: 100%; }

/* UTILITY BUTTONS */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: 12px;
  font-family: var(--font-header);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: var(--transition);
  border: none;
}

.btn-primary {
  background-color: var(--primary);
  color: #000000;
  box-shadow: 0 4px 20px var(--primary-glow);
}

.btn-primary:hover {
  background-color: var(--primary-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(163, 230, 53, 0.3);
}

.btn-outline {
  background-color: transparent;
  color: var(--text-primary);
  border: 2px solid var(--border-light);
}

.btn-outline:hover {
  border-color: var(--text-primary);
  background-color: rgba(255, 255, 255, 0.05);
}

.btn-sm {
  padding: 10px 20px;
  font-size: 0.9rem;
  border-radius: 8px;
}

/* HEADER & NAVIGATION */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background-color: rgba(5, 5, 5, 0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
}

.header-container {
  max-width: var(--max-width);
  height: 100%;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-header);
  font-weight: 800;
  font-size: 1.3rem;
  letter-spacing: 0.05em;
}

.logo-img {
  width: 32px;
  height: 32px;
  border-radius: 8px;
}

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

.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
}

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

.header-actions {
  display: flex;
  align-items: center;
  gap: 20px;
}

.lang-switch {
  display: flex;
  align-items: center;
  gap: 6px;
  background-color: var(--surface);
  border: 1px solid var(--border-light);
  padding: 6px 12px;
  border-radius: 20px;
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  user-select: none;
  transition: var(--transition);
}

.lang-switch:hover {
  border-color: var(--text-secondary);
}

.lang-option.active {
  color: var(--primary);
}

.lang-divider {
  color: var(--border-light);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  cursor: pointer;
}

/* MOBILE NAV MENU */
.mobile-nav {
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--bg-primary);
  z-index: 999;
  padding: 32px 24px;
  transform: translateY(-100%);
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
  border-bottom: 1px solid var(--border);
}

.mobile-nav.open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: all;
}

.mobile-nav-links {
  display: flex;
  direction: ltr;
  flex-direction: column;
  gap: 24px;
}

.mobile-nav-link {
  font-family: var(--font-header);
  font-size: 1.3rem;
  font-weight: 600;
  padding: 8px 0;
}

.mobile-divider {
  border: 0;
  height: 1px;
  background-color: var(--border);
  margin: 12px 0;
}

/* HERO SECTION */
.hero-section {
  padding-top: calc(var(--header-height) + 60px);
  padding-bottom: 80px;
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
}

.hero-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
}

.badge-new {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: rgba(139, 92, 246, 0.1);
  border: 1px solid rgba(139, 92, 246, 0.2);
  color: var(--secondary-light);
  padding: 6px 16px;
  border-radius: 30px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 24px;
}

.badge-dot {
  width: 6px;
  height: 6px;
  background-color: var(--secondary);
  border-radius: 50%;
  animation: pulse-badge 2s infinite;
}

@keyframes pulse-badge {
  0% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.5); opacity: 0.5; }
  100% { transform: scale(1); opacity: 1; }
}

.hero-title {
  font-size: 3.5rem;
  line-height: 1.1;
  margin-bottom: 24px;
  font-weight: 800;
}

.text-gradient {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-description {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 40px;
  max-width: 580px;
}

.download-badges {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 48px;
}

.download-btn {
  display: flex;
  align-items: center;
  gap: 12px;
  background-color: #000000;
  border: 1px solid var(--border-light);
  padding: 10px 24px;
  border-radius: 12px;
  color: var(--text-primary);
  cursor: pointer;
  transition: var(--transition);
}

.download-btn:hover {
  border-color: var(--text-primary);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.5);
}

.store-icon {
  color: var(--text-primary);
}

.btn-text-wrapper {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.btn-subtext {
  font-size: 0.65rem;
  text-transform: uppercase;
  color: var(--text-secondary);
  font-weight: 500;
  letter-spacing: 0.05em;
  line-height: 1.2;
}

.btn-maintext {
  font-size: 1.1rem;
  font-family: var(--font-header);
  font-weight: 700;
  line-height: 1.2;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 32px;
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-family: var(--font-header);
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.1;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background-color: var(--border);
}

/* SMARTPHONE SIMULATOR */
.hero-simulator {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
}

.phone-frame {
  width: 320px;
  height: 640px;
  background-color: #000000;
  border: 12px solid #1a1a1a;
  border-radius: 40px;
  position: relative;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7),
              0 0 40px var(--secondary-glow);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* Speaker & Camera */
.phone-speaker {
  width: 50px;
  height: 4px;
  background-color: #2b2b2b;
  border-radius: 2px;
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
}

.phone-camera {
  width: 8px;
  height: 8px;
  background-color: #101010;
  border-radius: 50%;
  position: absolute;
  top: 4px;
  left: calc(50% + 40px);
  z-index: 10;
}

.phone-home-indicator {
  width: 110px;
  height: 4px;
  background-color: #3b3b3b;
  border-radius: 2px;
  position: absolute;
  bottom: 8px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
}

/* App Inner Screen */
.app-screen {
  flex: 1;
  background-color: #050505;
  padding: 24px 16px 20px;
  display: flex;
  flex-direction: column;
  font-family: var(--font-body);
  position: relative;
}

/* App Header styling */
.app-header {
  margin-bottom: 18px;
}

.user-avatar-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.user-avatar {
  font-size: 1.8rem;
  background-color: var(--surface-light);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.user-info {
  display: flex;
  flex-direction: column;
}

.user-name {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-primary);
}

.user-level-badge {
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--primary);
}

.xp-container {
  display: flex;
  flex-direction: column;
  gap: 6px;
  position: relative;
}

.xp-label-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.xp-gain-bubble {
  position: absolute;
  right: 0;
  top: -15px;
  font-size: 0.7rem;
  font-weight: 800;
  color: var(--xp);
  background-color: rgba(255, 215, 0, 0.15);
  border: 1px solid rgba(255, 215, 0, 0.3);
  padding: 2px 6px;
  border-radius: 8px;
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.4s cubic-bezier(0.18, 0.89, 0.32, 1.28);
}

.xp-gain-bubble.show {
  opacity: 1;
  transform: translateY(-8px);
}

.xp-bar-outer {
  width: 100%;
  height: 6px;
  background-color: var(--surface);
  border-radius: 3px;
  overflow: hidden;
}

.xp-bar-inner {
  height: 100%;
  background-color: var(--xp);
  border-radius: 3px;
  transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Pet Companion Card styling */
.pet-companion-card {
  background: linear-gradient(135deg, var(--surface) 0%, var(--surface-light) 100%);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 12px;
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

.pet-character {
  font-size: 2.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  background-color: var(--surface-light);
  border-radius: 12px;
  transition: transform 0.2s ease;
}

.pet-status {
  flex: 1;
}

.pet-name {
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.pet-speech {
  font-size: 0.75rem;
  color: var(--text-secondary);
  font-style: italic;
}

/* Habit List styling */
.app-habit-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.list-title {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}

.habit-card-item {
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: var(--transition);
}

.habit-card-item.completed {
  border-color: var(--primary-dark);
  background-color: rgba(163, 230, 53, 0.03);
}

.habit-info-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.habit-icon {
  font-size: 1.4rem;
  background-color: var(--surface-light);
  width: 36px;
  height: 36px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.habit-details {
  display: flex;
  flex-direction: column;
}

.habit-title {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-primary);
}

.habit-streak {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--streak);
}

.check-btn {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  border: 1px solid var(--border-light);
  background-color: transparent;
  color: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}

.check-btn:hover {
  border-color: var(--primary);
  background-color: var(--primary-glow);
}

.completed .check-btn {
  background-color: var(--primary);
  border-color: var(--primary);
  color: #000000;
}

/* Level Up Modal */
.level-up-modal {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(4px);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
}

.level-up-modal.show {
  opacity: 1;
  pointer-events: all;
}

.levelup-content {
  background-color: var(--surface);
  border: 2px solid var(--primary);
  border-radius: 24px;
  padding: 30px 20px;
  text-align: center;
  max-width: 240px;
  transform: scale(0.8);
  transition: var(--transition);
}

.level-up-modal.show .levelup-content {
  transform: scale(1);
}

.levelup-icon {
  font-size: 3rem;
  margin-bottom: 12px;
  animation: levelup-bounce 1s infinite alternate;
}

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

.levelup-content h3 {
  font-size: 1.4rem;
  color: var(--primary);
  margin-bottom: 8px;
}

.levelup-content p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

/* Simulator Hint */
.simulator-hint {
  display: flex;
  align-items: center;
  gap: 12px;
  background-color: var(--surface);
  border: 1px solid var(--border);
  padding: 12px 18px;
  border-radius: 16px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  max-width: 320px;
  margin-top: 24px;
  text-align: center;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.hint-arrow {
  color: var(--primary);
  font-weight: 700;
  animation: bounce-hint 1.5s infinite alternate;
}

@keyframes bounce-hint {
  0% { transform: translateX(0); }
  100% { transform: translateX(-6px); }
}

/* HOW IT WORKS SECTION */
.how-it-works-section {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 80px 24px;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  max-width: 1100px;
  margin: 40px auto 0;
}

.step-card {
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 40px 30px;
  text-align: center;
  position: relative;
  transition: var(--transition);
}

.step-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-light);
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.step-number {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--primary);
  color: #000000;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.2rem;
  margin: 0 auto 20px;
  font-family: var(--font-header);
}

.step-title {
  font-family: var(--font-header);
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.step-description {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* LOGOS SECTION */
.logos-section {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 40px 0;
}

.logos-title {
  font-size: 0.85rem;
  text-transform: uppercase;
  color: var(--text-muted);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-align: center;
  margin-bottom: 32px;
}

.logos-grid {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 80px;
  flex-wrap: wrap;
}

.logo-wrapper {
  display: flex;
  align-items: center;
  gap: 12px;
  opacity: 0.5;
  transition: var(--transition);
  cursor: pointer;
}

.logo-wrapper:hover {
  opacity: 1;
  filter: drop-shadow(0 0 8px rgba(255, 255, 255, 0.2));
}

.uni-logo {
  height: 36px;
  width: auto;
  object-fit: contain;
}

.uni-name {
  font-family: var(--font-header);
  font-weight: 700;
  letter-spacing: 0.05em;
  font-size: 1.1rem;
}

/* SHOWCASE SECTION */
.showcase-section {
  background-color: var(--bg-primary);
}

.section-header {
  max-width: 680px;
  margin: 0 auto 60px;
}

.section-title {
  font-size: 2.5rem;
  margin-bottom: 16px;
  font-weight: 800;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
}

.showcase-wrapper {
  display: flex;
  justify-content: center;
}

.showcase-card {
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: 24px;
  overflow: hidden;
  max-width: 800px;
  width: 100%;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  align-items: center;
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
  transition: var(--transition);
}

.showcase-card:hover {
  border-color: var(--border-light);
  transform: translateY(-4px);
}

.screenshot-container {
  padding: 30px;
  background-color: var(--bg-secondary);
  display: flex;
  justify-content: center;
  align-items: center;
}

.screenshot-img {
  max-width: 100%;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 12px 24px rgba(0,0,0,0.3);
}

.showcase-info {
  padding: 40px;
}

.showcase-info h3 {
  font-size: 1.6rem;
  margin-bottom: 16px;
  color: var(--primary);
}

.showcase-info p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* FEATURES GRID */
.features-section {
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 30px;
}

.feature-card {
  background-color: var(--surface);
  border: 1px solid var(--border);
  padding: 36px;
  border-radius: 20px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: transparent;
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-light);
  box-shadow: 0 12px 24px rgba(0,0,0,0.4);
}

.feature-card:hover::before {
  background: linear-gradient(90deg, var(--primary) 0%, var(--secondary) 100%);
}

.feature-icon-wrapper {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background-color: var(--surface-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  position: relative;
}

.feature-title {
  font-size: 1.3rem;
  margin-bottom: 12px;
}

.feature-text {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* OVR & INTERACTIVE STATS */
.ovr-section {
  background-color: var(--bg-primary);
}

.ovr-layout {
  display: grid;
  grid-template-columns: 1.12fr 0.88fr;
  gap: 60px;
  align-items: center;
}

.sliders-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 30px;
}

.slider-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  background-color: var(--surface);
  border: 1px solid var(--border);
  padding: 16px;
  border-radius: 12px;
}

.slider-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  font-weight: 600;
}

.slider-val {
  color: var(--primary);
  font-weight: 700;
}

.ovr-range {
  -webkit-appearance: none;
  width: 100%;
  height: 4px;
  background: var(--surface-light);
  border-radius: 2px;
  outline: none;
}

.ovr-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--primary);
  cursor: pointer;
  box-shadow: 0 0 10px var(--primary);
  transition: var(--transition);
}

.ovr-range::-webkit-slider-thumb:hover {
  background: var(--primary-light);
  transform: scale(1.2);
}

.chart-outer-box {
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 30px;
  display: flex;
  flex-direction: column;
  align-items: center;
  box-shadow: 0 12px 30px rgba(0,0,0,0.4);
}

.ovr-header-badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 24px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 600;
}

.ovr-score {
  font-family: var(--font-header);
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.1;
  text-shadow: 0 0 15px var(--primary-glow);
}

.radar-chart-container {
  width: 240px;
  height: 240px;
  margin-bottom: 20px;
}

.radar-svg {
  width: 100%;
  height: 100%;
}

.grid-polygon {
  fill: none;
  stroke: var(--border-light);
  stroke-width: 1px;
}

.grid-max {
  stroke: var(--border);
  fill: rgba(255, 255, 255, 0.01);
}

.axis-line {
  stroke: var(--border);
  stroke-width: 1px;
  stroke-dasharray: 2 2;
}

.data-polygon {
  fill: rgba(163, 230, 53, 0.2);
  stroke: var(--primary);
  stroke-width: 2px;
  filter: drop-shadow(0 0 8px var(--primary-glow));
  transition: points 0.2s ease-out;
}

.radar-label {
  fill: var(--text-muted);
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 0.05em;
  font-family: var(--font-header);
}

.legend-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  font-size: 0.75rem;
  color: var(--text-secondary);
  border-top: 1px solid var(--border-light);
  padding-top: 16px;
  width: 100%;
  text-align: center;
}

/* SCIENCE / NEUROPLASTICITY SECTION */
.science-section {
  background-color: var(--bg-secondary);
}

.science-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 30px;
}

.science-card {
  background-color: var(--surface);
  border: 1px solid var(--border);
  padding: 40px;
  border-radius: 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.uni-badge {
  display: inline-block;
  align-self: flex-start;
  padding: 4px 12px;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 24px;
}

.stanford-badge { background-color: rgba(139, 92, 246, 0.15); color: var(--secondary-light); }
.mit-badge { background-color: rgba(163, 230, 53, 0.15); color: var(--primary); }
.harvard-badge { background-color: rgba(255, 107, 107, 0.15); color: var(--streak); }

.science-quote {
  font-size: 1.15rem;
  line-height: 1.5;
  font-style: italic;
  margin-bottom: 24px;
}

.science-source {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* TESTIMONIALS SECTION */
.testimonials-section {
  background-color: var(--bg-primary);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 30px;
}

.testimonial-card {
  background-color: var(--surface);
  border: 1px solid var(--border);
  padding: 30px;
  border-radius: 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.stars {
  color: var(--primary);
  font-size: 1.1rem;
  margin-bottom: 16px;
}

.testimonial-text {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 24px;
}

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

.author-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--border-light);
}

.author-info {
  display: flex;
  flex-direction: column;
}

.author-name {
  font-size: 0.9rem;
  font-weight: 700;
}

.author-role {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* PRICING SECTION */
.pricing-section {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.pricing-grid {
  display: flex;
  justify-content: center;
  gap: 30px;
  flex-wrap: wrap;
  margin-top: 40px;
}

.pricing-card {
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 48px 36px;
  width: 100%;
  max-width: 360px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: var(--transition);
}

.pricing-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-light);
}

.pricing-card.popular {
  border: 2px solid var(--secondary);
  box-shadow: 0 10px 30px rgba(139, 92, 246, 0.15);
}

.popular-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--secondary);
  color: #FFFFFF;
  font-family: var(--font-header);
  font-size: 0.75rem;
  font-weight: 800;
  padding: 4px 16px;
  border-radius: 20px;
  letter-spacing: 0.05em;
}

.plan-name {
  font-size: 1.4rem;
  margin-bottom: 16px;
}

.plan-price {
  font-size: 3rem;
  font-family: var(--font-header);
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 30px;
  display: flex;
  align-items: baseline;
}

.plan-price .currency {
  font-size: 1.5rem;
  font-weight: 600;
  margin-right: 2px;
}

.plan-price .period {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-left: 6px;
}

.pro-billing-options {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 24px;
  background-color: var(--surface-light);
  padding: 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
}

.billing-option-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  padding: 6px 8px;
  border-radius: 6px;
}

.highlight-yearly {
  background-color: var(--primary-glow);
  color: var(--primary-light);
  border: 1px solid rgba(163, 230, 53, 0.15);
}

.billing-price {
  font-weight: 700;
  color: var(--text-primary);
}

.highlight-yearly .billing-price {
  color: var(--primary);
}

.plan-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 40px;
  flex: 1;
}

.plan-features li {
  font-size: 0.9rem;
  color: var(--text-secondary);
  position: relative;
  padding-left: 24px;
}

.plan-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: 700;
}

.plan-features li.disabled {
  color: var(--text-muted);
  text-decoration: line-through;
}

.plan-features li.disabled::before {
  content: '✗';
  color: var(--text-muted);
}

.pricing-card .btn {
  width: 100%;
}

/* GUIDES SECTION */
.guides-section {
  background-color: var(--bg-primary);
  border-top: 1px solid var(--border);
}

.guides-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.guide-card {
  background-color: var(--surface);
  border: 1px solid var(--border);
  padding: 28px;
  border-radius: 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition);
}

.guide-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-light);
  box-shadow: 0 10px 24px rgba(0,0,0,0.4);
}

.guide-card-title {
  font-family: var(--font-header);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
  line-height: 1.3;
}

.guide-card-snippet {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 20px;
  flex: 1;
}

.guide-link {
  font-size: 0.9rem;
  color: var(--primary);
  font-weight: 700;
  display: inline-flex;
  align-items: center;
}

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

/* FAQ SECTION & ACCORDION */
.faq-section {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.faq-accordion {
  max-width: 720px;
  margin: 40px auto 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  transition: var(--transition);
}

.faq-item:hover {
  border-color: var(--border-light);
}

.faq-question {
  width: 100%;
  padding: 20px 28px;
  background: transparent;
  border: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  text-align: left;
  cursor: pointer;
  font-family: var(--font-header);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  transition: var(--transition);
}

.faq-icon {
  font-size: 1.3rem;
  color: var(--text-secondary);
  font-weight: 400;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq-answer {
  max-height: 0;
  opacity: 0;
  padding: 0 28px;
  overflow: hidden;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.faq-answer p {
  line-height: 1.6;
}

.faq-learn-more {
  display: inline-block;
  margin-top: 12px;
  color: var(--primary);
  font-weight: 700;
  font-size: 0.85rem;
}

.faq-learn-more:hover {
  color: var(--primary-light);
}

/* FAQ Active state triggers */
.faq-item.active {
  border-color: var(--primary-dark);
  box-shadow: 0 4px 20px rgba(163, 230, 53, 0.05);
}

.faq-item.active .faq-answer {
  max-height: 240px;
  opacity: 1;
  padding-bottom: 24px;
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
  color: var(--primary);
}

/* GUIDE PAGES EXTRAS (Self-contained page tweaks) */
.guide-article {
  line-height: 1.7;
}
.guide-article p {
  margin-bottom: 20px;
}
.guide-article ul {
  margin-bottom: 24px;
}
.guide-article h2 {
  margin-top: 40px;
  color: var(--text-primary);
}

/* DOWNLOAD CALL-TO-ACTION */
.download-section {
  background-color: var(--bg-primary);
  position: relative;
  overflow: hidden;
}

.download-title {
  font-size: 3rem;
  margin-bottom: 20px;
  font-weight: 800;
}

.download-subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 40px;
}

.download-badges-center {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

/* FOOTER */
.footer {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 80px 24px 30px;
}

.footer-container {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: 60px;
  margin-bottom: 60px;
}

.footer-brand {
  max-width: 320px;
}

.brand-tagline {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-top: 16px;
}

.footer-links-grid {
  display: flex;
  gap: 80px;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-col h4 {
  font-size: 0.85rem;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}

.footer-col a {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.footer-col a:hover {
  color: var(--text-primary);
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 30px;
}

.footer-bottom-container {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.disclaimer {
  max-width: 600px;
  text-align: right;
}

/* RESPONSIVE DESIGN */
@media (max-width: 992px) {
  .hero-container {
    grid-template-columns: 1fr;
    gap: 50px;
    text-align: center;
  }
  
  .hero-description {
    margin-left: auto;
    margin-right: auto;
  }
  
  .download-badges {
    justify-content: center;
  }
  
  .hero-stats {
    justify-content: center;
  }
  
  .ovr-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .showcase-card {
    grid-template-columns: 1fr;
  }
  
  .screenshot-container {
    padding: 20px;
  }
  
  .footer-container {
    flex-direction: column;
    gap: 40px;
  }
  
  .footer-links-grid {
    gap: 40px;
    justify-content: space-between;
    width: 100%;
  }
}

@media (max-width: 768px) {
  .hero-title {
    font-size: 2.8rem;
  }
  
  .nav-menu {
    display: none;
  }
  
  .header-actions .btn {
    display: none;
  }
  
  .mobile-menu-btn {
    display: block;
  }
  
  .logos-grid {
    gap: 40px;
  }
  
  .sliders-container {
    grid-template-columns: 1fr;
  }
  
  .footer-links-grid {
    flex-wrap: wrap;
  }
  
  .footer-bottom-container {
    flex-direction: column;
    text-align: center;
  }
  
  .disclaimer {
    text-align: center;
  }
}

/* NATIVE CSS SCROLL ANIMATIONS */
@supports ((animation-timeline: scroll()) and (animation-range: 0% 100%)) {
  .scroll-reveal {
    view-timeline: --reveal block;
    animation: reveal-in auto linear both;
    animation-timeline: --reveal;
    animation-range: entry 10% cover 40%;
  }
  
  @keyframes reveal-in {
    from {
      opacity: 0;
      transform: translateY(40px) scale(0.95);
    }
    to {
      opacity: 1;
      transform: translateY(0) scale(1);
    }
  }
}

/* REDUCED MOTION ACCESSIBILITY OVERRIDES */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-delay: 0s !important;
    animation-duration: 0s !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0s !important;
    scroll-behavior: auto !important;
  }
  
  .scroll-reveal {
    animation: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
  
  .pet-character {
    animation: none !important;
  }
  
  .badge-dot {
    animation: none !important;
  }
}