/* CSS Custom Properties for Theme Support */
:root {
  /* Light theme colors */
  --primary-color: rgb(51, 111, 206);
  --primary-hover: rgb(40, 90, 180);
  --secondary-color: #5856D6;
  --accent-color: #FF9500;
  --success-color: #34C759;
  --warning-color: #FF9500;
  --error-color: #FF3B30;
  
  /* Background colors */
  --bg-primary: #FFFFFF;
  --bg-secondary: #F2F2F7;
  --bg-tertiary: #FFFFFF;
  --bg-elevated: #FFFFFF;
  
  /* Text colors */
  --text-primary: #000000;
  --text-secondary: #3C3C43;
  --text-tertiary: #8E8E93;
  --text-inverse: #FFFFFF;
  
  /* Border colors */
  --border-color: #C6C6C8;
  --border-light: #E5E5EA;
  
  /* Shadows */
  --shadow-small: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-medium: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-large: 0 8px 32px rgba(0, 0, 0, 0.12);
  
  /* 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-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  
  /* Border radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  
  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.2s ease;
  --transition-slow: 0.3s ease;
}

/* Dark theme colors - App Palette */
[data-theme="dark"] {
  --bg-primary: #171B21;
  --bg-secondary: #23282E;
  --bg-tertiary: #23282E;
  --bg-elevated: #2A2F35;
  
  --text-primary: #FFFFFF;
  --text-secondary: #EBEBF5;
  --text-tertiary: #8E8E93;
  --text-inverse: #171B21;
  
  --border-color: #3A3F45;
  --border-light: #3A3F45;
  
  --shadow-small: 0 1px 3px rgba(23, 27, 33, 0.3);
  --shadow-medium: 0 4px 12px rgba(23, 27, 33, 0.3);
  --shadow-large: 0 8px 32px rgba(23, 27, 33, 0.4);
}

/* Reset and base styles */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  line-height: 1.6;
  /* Better mobile scrolling */
  -webkit-overflow-scrolling: touch;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  transition: background-color var(--transition-base), color var(--transition-base);
  overflow-x: hidden;
  /* Improve mobile performance */
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  /* Better text rendering on mobile */
  text-rendering: optimizeLegibility;
}

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

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

@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-md);
  }
  
  /* Ensure touch targets are at least 44px */
  .nav-menu a,
  .btn,
  .nav-toggle {
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  /* Improve text readability on small screens */
  body {
    font-size: 16px; /* Prevents zoom on iOS */
  }
  
  /* Make theme toggle even more mobile-friendly on tiny screens */
  .nav-menu .form-switch .form-check-input {
    width: 50px;
    height: 28px;
  }
  
  .nav-menu .form-switch .form-check-input:before {
    width: 22px;
    height: 22px;
  }
  
  .nav-menu .form-switch .form-check-input:checked:before {
    transform: translateX(22px);
  }
  
  .nav-menu .form-check {
    min-width: 180px;
    padding: var(--spacing-md);
  }
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-base); }

@media (max-width: 768px) {
  h1 { font-size: var(--font-size-3xl); }
  h2 { font-size: var(--font-size-2xl); }
  h3 { font-size: var(--font-size-xl); }
}

p {
  margin-bottom: var(--spacing-md);
  color: var(--text-secondary);
}

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

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  border: none;
  border-radius: var(--radius-lg);
  font-size: var(--font-size-base);
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background-color: var(--primary-color);
  color: var(--text-inverse);
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-medium);
}

.btn-secondary {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background-color: var(--bg-tertiary);
  transform: translateY(-1px);
}

.btn-icon {
  font-size: var(--font-size-lg);
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background-color: rgba(51, 111, 206, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  z-index: 1000;
  transition: all var(--transition-base);
}

[data-theme="dark"] .navbar {
  background-color: rgba(51, 111, 206, 0.95);
}

/* Blue navbar text colors */
.navbar .logo h1,
.navbar .nav-menu a {
  color: white;
}

.navbar .nav-menu a:hover {
  color: rgba(255, 255, 255, 0.8);
}

.navbar .theme-toggle {
  color: white;
}

.navbar .theme-toggle:hover {
  background-color: rgba(255, 255, 255, 0.1);
}

.navbar .nav-toggle span {
  background-color: white;
}

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

.nav-brand {
  flex-shrink: 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  height: 32px;
}

.footer .logo {
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
  height: auto;
}

.logo-icon {
  width: 32px;
  height: 32px;
  object-fit: contain;
  background: transparent;
  border-radius: var(--radius-sm);
}

.logo h1, .logo h3 {
  margin: 0;
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
  list-style: none;
  margin: 0;
  padding: 0;
}

/* Desktop navigation - hide on mobile */
@media (max-width: 768px) {
  .nav-menu {
    display: none; /* Completely hide desktop nav on mobile */
  }
}

.nav-menu a {
  color: var(--text-primary);
  font-weight: 500;
  transition: color var(--transition-fast);
}

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

/* Custom rounded toggle switch */
.form-check {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: 0;
}

.form-switch {
  padding-left: 0;
}

.form-switch .form-check-input {
  position: relative;
  width: 50px;
  height: 26px;
  margin: 0;
  background-color: rgba(255, 255, 255, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 34px;
  appearance: none;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.form-switch .form-check-input:before {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  width: 20px;
  height: 20px;
  background-color: white;
  border-radius: 50%;
  transition: transform var(--transition-fast);
}

.form-switch .form-check-input:checked {
  background-color: rgba(255, 255, 255, 0.9);
  border-color: rgba(255, 255, 255, 0.9);
}

.form-switch .form-check-input:checked:before {
  transform: translateX(24px);
  background-color: rgb(51, 111, 206);
}

.form-switch .form-check-input:focus {
  outline: 0;
  box-shadow: 0 0 0 0.25rem rgba(51, 111, 206, 0.25);
}

.form-check-label {
  color: white;
  cursor: pointer;
  font-size: var(--font-size-sm);
  font-weight: 500;
  margin: 0;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-sm);
}

.nav-toggle span {
  width: 25px;
  height: 3px;
  background-color: var(--text-primary);
  transition: all var(--transition-base);
}

@media (max-width: 768px) {
  .navbar {
    padding: var(--spacing-sm) 0;
    position: relative;
  }
  
  .navbar .container {
    padding-top: var(--spacing-md);
    padding-bottom: var(--spacing-md);
  }
  
  .nav-toggle {
    display: flex;
    z-index: 1001;
    padding: var(--spacing-md);
    min-width: 44px;
    min-height: 44px;
  }
  
  .nav-toggle span {
    width: 28px;
    height: 4px;
  }
  
  .nav-menu {
    display: flex !important;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: rgba(51, 111, 206, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    padding: var(--spacing-lg);
    gap: var(--spacing-md);
    opacity: 0;
    visibility: hidden;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
    z-index: 1002;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
  }
  
  .nav-menu.active {
    opacity: 1;
    visibility: visible;
    max-height: 400px;
  }
  
  /* Ensure hamburger icon animates to X when active */
  .nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
  }
  
  .nav-toggle.active span:nth-child(2) {
    opacity: 0;
  }
  
  .nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(8px, -8px);
  }
  
  .nav-menu li {
    width: 100%;
    list-style: none;
  }
  
  .nav-menu a {
    display: block;
    padding: var(--spacing-md);
    color: white !important;
    text-decoration: none;
    font-size: var(--font-size-lg);
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: background-color var(--transition-fast);
  }
  
  .nav-menu a:hover {
    background-color: rgba(255, 255, 255, 0.1);
  }
  
  .nav-menu .form-check {
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-top: var(--spacing-sm);
    justify-content: space-between;
  }
  
  .nav-menu .form-check-label {
    font-size: var(--font-size-base);
    font-weight: 500;
    color: white;
  }
}

/* Hero Section */
.hero {
  padding: 120px 0 var(--spacing-3xl);
  background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
  min-height: 80vh;
  display: flex;
  align-items: center;
}

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

.hero-title {
  font-size: var(--font-size-5xl);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: var(--spacing-lg);
}

.gradient-text {
  background: linear-gradient(135deg, rgb(51, 111, 206), rgb(71, 140, 230));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: var(--font-size-xl);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xl);
  line-height: 1.6;
}

.hero-cta {
  display: flex;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
  align-items: center;
}

.hero-cta .app-store-btn {
  display: inline-block;
  transition: transform var(--transition-fast);
}

.hero-cta .app-store-btn:hover {
  transform: scale(1.05);
}

.hero-cta .app-store-btn img {
  height: 60px;
  width: auto;
}

.hero-badges {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.badge {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: 0;
  background: none;
  border: none;
  border-radius: 0;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--text-secondary);
}

.badge-icon {
  font-size: var(--font-size-base);
}

.badge-icon-img {
  width: 14px;
  height: 14px;
  object-fit: contain;
  margin-right: 2px;
}

/* White icons are loaded via JavaScript for dark mode */

/* Hero Image */
.hero-image {
  display: flex;
  justify-content: center;
  align-items: center;
  background: transparent;
}

.hero-media {
  max-width: 500px;
  width: 100%;
  position: relative;
  /* Ensure no background interferes with transparency */
  background: transparent;
}

.hero-screenshot {
  width: 100%;
  height: auto;
  transition: transform var(--transition-base);
  /* Preserve transparency for PNG images */
  background: transparent;
  border: none;
  outline: none;
  animation: float 6s ease-in-out infinite;
}

.hero-screenshot:hover {
  transform: translateY(-8px) scale(1.02);
  animation-play-state: paused;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-20px);
  }
}

/* Phone Mockup (kept for screenshot showcase) */
.phone-mockup {
  max-width: 300px;
  margin: 0 auto;
  position: relative;
}

.phone-mockup::before {
  content: '';
  position: absolute;
  top: -20px;
  left: -20px;
  right: -20px;
  bottom: -20px;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  border-radius: var(--radius-2xl);
  z-index: -1;
  opacity: 0.1;
}

.phone-screen {
  background-color: var(--text-primary);
  border-radius: var(--radius-xl);
  padding: 20px 10px;
  box-shadow: var(--shadow-large);
  position: relative;
  overflow: hidden;
}

.phone-screen::before {
  content: '';
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background-color: var(--text-tertiary);
  border-radius: 2px;
}

.app-interface {
  background-color: var(--bg-primary);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  height: 500px;
  position: relative;
}

.status-bar {
  height: 20px;
  background: linear-gradient(90deg, var(--success-color) 0%, var(--success-color) 30%, transparent 30%);
  border-radius: var(--radius-sm);
  margin-bottom: var(--spacing-md);
  opacity: 0.3;
}

.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-lg);
}

.app-header h3 {
  margin: 0;
  font-size: var(--font-size-2xl);
  font-weight: 700;
}

.streak-counter {
  background-color: var(--accent-color);
  color: var(--text-inverse);
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-lg);
  font-weight: 600;
  font-size: var(--font-size-sm);
}

.habit-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.habit-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background-color: var(--bg-secondary);
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
}

.habit-item.completed {
  opacity: 0.7;
}

.habit-icon {
  font-size: var(--font-size-lg);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--bg-elevated);
  border-radius: var(--radius-md);
}

.habit-item span {
  flex: 1;
  font-weight: 500;
}

.checkmark {
  width: 24px;
  height: 24px;
  background-color: var(--success-color);
  color: var(--text-inverse);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-sm);
  font-weight: 700;
}

.circle {
  width: 24px;
  height: 24px;
  border: 2px solid var(--border-color);
  border-radius: 50%;
}

@media (max-width: 768px) {
  .hero {
    padding: 100px 0 var(--spacing-2xl);
    min-height: 90vh;
  }
  
  .hero-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
    text-align: center;
  }
  
  .hero-title {
    font-size: var(--font-size-3xl);
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
  }
  
  .hero-subtitle {
    font-size: var(--font-size-base);
    line-height: 1.5;
    margin-bottom: var(--spacing-lg);
  }
  
  .hero-cta {
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
  }
  
  .hero-cta .app-store-btn {
    order: 1;
  }
  
  .hero-cta .btn {
    order: 2;
    width: 100%;
    max-width: 280px;
    justify-content: center;
  }
  
  .hero-badges {
    justify-content: center;
    gap: var(--spacing-sm);
  }
  
  .badge {
    font-size: var(--font-size-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
  }
  
  .badge-icon-img {
    width: 12px;
    height: 12px;
  }
  
  .hero-media {
    max-width: 300px;
    margin: 0 auto;
  }
}

@media (max-width: 480px) {
  .hero {
    padding: 80px 0 var(--spacing-xl);
  }
  
  .hero-title {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-sm);
  }
  
  .hero-subtitle {
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-md);
  }
  
  .hero-cta {
    gap: var(--spacing-sm);
  }
  
  .hero-cta .app-store-btn img {
    height: 50px;
  }
  
  .hero-badges {
    flex-wrap: wrap;
    gap: var(--spacing-xs);
  }
  
  .badge {
    font-size: 0.7rem;
    padding: 4px 8px;
  }
  
  .hero-media {
    max-width: 260px;
  }
}

/* Features Section */
.features {
  padding: var(--spacing-3xl) 0;
  background-color: var(--bg-secondary);
}

.section-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--spacing-3xl);
}

.section-header h2 {
  margin-bottom: var(--spacing-lg);
}

.section-header p {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
}

@media (max-width: 768px) {
  .section-header {
    margin: 0 auto var(--spacing-2xl);
  }
  
  .section-header h2 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-md);
  }
  
  .section-header p {
    font-size: var(--font-size-base);
  }
}

@media (max-width: 480px) {
  .section-header {
    margin: 0 auto var(--spacing-xl);
  }
  
  .section-header h2 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-sm);
  }
  
  .section-header p {
    font-size: var(--font-size-sm);
  }
}

.features-carousel-container {
  position: relative;
  overflow: hidden;
  margin: 0 calc(-1 * var(--spacing-lg));
  padding: 0 var(--spacing-lg);
}

.features-carousel {
  overflow-x: hidden;
  position: relative;
}

.features-carousel::before,
.features-carousel::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: 150px;
  z-index: 10;
  pointer-events: none;
}

.features-carousel::before {
  left: 0;
  background: linear-gradient(to right, var(--bg-secondary), transparent);
}

.features-carousel::after {
  right: 0;
  background: linear-gradient(to left, var(--bg-secondary), transparent);
}

.features-track {
  display: flex;
  gap: var(--spacing-xl);
  animation: scroll-left 50s linear infinite;
  width: fit-content;
}

.features-track:hover {
  animation-play-state: paused;
}

@keyframes scroll-left {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

.features-carousel .feature-card {
  flex-shrink: 0;
  width: 350px;
  pointer-events: none;
  user-select: none;
}

@media (max-width: 768px) {
  .features {
    padding: var(--spacing-2xl) 0;
  }
  
  .features-carousel-container {
    margin: 0;
    padding: 0;
  }
  
  .features-carousel::before,
  .features-carousel::after {
    width: 80px;
  }
  
  .features-carousel .feature-card {
    width: 280px;
  }
  
  .feature-card {
    padding: var(--spacing-lg);
    text-align: center;
  }
  
  .feature-icon {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-md);
  }
  
  .feature-icon-img {
    width: 32px;
    height: 32px;
  }
  
  .feature-card h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-sm);
  }
  
  .feature-card p {
    font-size: var(--font-size-sm);
  }
}

@media (max-width: 480px) {
  .features {
    padding: var(--spacing-xl) 0;
  }
  
  .features-carousel::before,
  .features-carousel::after {
    width: 60px;
  }
  
  .features-carousel .feature-card {
    width: 240px;
  }
  
  .features-track {
    gap: var(--spacing-md);
  }
  
  .feature-card {
    padding: var(--spacing-md);
  }
  
  .feature-icon {
    font-size: var(--font-size-xl);
  }
  
  .feature-icon-img {
    width: 28px;
    height: 28px;
  }
  
  .feature-card h3 {
    font-size: var(--font-size-base);
  }
  
  .feature-card p {
    font-size: var(--font-size-xs);
  }
}

.feature-card {
  background-color: var(--bg-elevated);
  padding: var(--spacing-xl);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-small);
  transition: all var(--transition-base);
  border: 1px solid var(--border-light);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-medium);
}

.feature-icon {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--spacing-lg);
  display: block;
}

.feature-icon-img {
  width: 36px;
  height: 36px;
  margin-bottom: var(--spacing-lg);
  display: block;
  object-fit: contain;
}

[data-theme="dark"] .feature-icon-img,
[data-theme="dark"] .badge-icon-img {
  /* Use white icons in dark mode */
}

.feature-card h3 {
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

.feature-card p {
  color: var(--text-secondary);
  margin: 0;
}

/* Screenshots Showcase Section */
.screenshots-showcase {
  padding: var(--spacing-3xl) 0;
  background-color: var(--bg-primary);
}

.screenshot-feature {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  align-items: center;
  margin-bottom: var(--spacing-3xl);
  padding: var(--spacing-2xl) 0;
}

.screenshot-feature:last-child {
  margin-bottom: 0;
}

/* Alternating layout */
.screenshot-feature.left-image {
  grid-template-areas: "image content";
}

.screenshot-feature.right-image {
  grid-template-areas: "content image";
}

.screenshot-feature.left-image .screenshot-container {
  grid-area: image;
}

.screenshot-feature.left-image .feature-content {
  grid-area: content;
}

.screenshot-feature.right-image .screenshot-container {
  grid-area: image;
}

.screenshot-feature.right-image .feature-content {
  grid-area: content;
}

/* Screenshot container styling */
.screenshot-container {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  background: transparent;
}

.phone-frame {
  position: relative;
  max-width: 320px;
  width: 100%;
  background: transparent;
  transition: transform var(--transition-base);
}

.phone-frame:hover {
  transform: translateY(-8px) scale(1.02);
}

.phone-frame img {
  width: 100%;
  height: auto;
  display: block;
  background: transparent;
  border: none;
  outline: none;
}

/* Special handling for 4:5 aspect ratio images (like display modes screenshot) */
.phone-frame img[src*="display-modes"] {
  max-height: 500px;
  width: auto;
  object-fit: contain;
}

/* Make the container bigger for display modes screenshot */
.screenshot-feature .phone-frame:has(img[src*="display-modes"]) {
  max-width: 400px;
}

/* Alternative selector for broader browser support */
.screenshot-feature .phone-frame img[src*="display-modes"] {
  max-height: 500px;
  width: auto;
  object-fit: contain;
}

.screenshot-feature:has(.phone-frame img[src*="display-modes"]) .phone-frame {
  max-width: 400px;
}

/* Streaks section - image extends to edge for cutoff effect */
.streaks-section {
  overflow: hidden;
}

.streaks-section .screenshot-container {
  justify-content: flex-end;
  margin-right: calc(-2 * var(--spacing-lg));
  padding-right: 0;
  position: relative;
}

.streaks-section .phone-frame {
  max-width: none;
  width: auto;
  margin-right: 0;
  transform: translateX(var(--spacing-lg));
}

.streaks-section .phone-frame img {
  max-width: 450px;
  width: 450px;
  height: auto;
}

/* Mobile adjustments for streaks section */
@media (max-width: 768px) {
  .streaks-section .screenshot-container {
    justify-content: center;
    margin-right: 0;
  }
  
  .streaks-section .phone-frame img {
    max-width: 300px;
    width: 300px;
  }
}

@media (max-width: 480px) {
  .streaks-section .phone-frame img {
    max-width: 250px;
    width: 250px;
  }
}

/* Widgets section - make image much bigger */
.widgets-section .phone-frame {
  max-width: 500px;
}

.widgets-section .phone-frame img {
  max-width: 500px;
  width: 500px;
  height: auto;
}

/* Mobile adjustments for widgets section */
@media (max-width: 1024px) {
  .widgets-section .phone-frame {
    max-width: 400px;
  }
  
  .widgets-section .phone-frame img {
    max-width: 400px;
    width: 400px;
  }
}

@media (max-width: 768px) {
  .widgets-section .phone-frame {
    max-width: 350px;
  }
  
  .widgets-section .phone-frame img {
    max-width: 350px;
    width: 350px;
  }
}

@media (max-width: 480px) {
  .widgets-section .phone-frame {
    max-width: 300px;
  }
  
  .widgets-section .phone-frame img {
    max-width: 300px;
    width: 300px;
  }
}

/* Feature content styling */
.feature-content {
  padding: var(--spacing-lg);
}

.feature-content h3 {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  margin-bottom: var(--spacing-lg);
  color: var(--text-primary);
  line-height: 1.3;
}

.feature-content p {
  font-size: var(--font-size-lg);
  line-height: 1.6;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xl);
}

.feature-highlights {
  list-style: none;
  padding: 0;
  margin: 0;
}

.feature-highlights li {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  padding: var(--spacing-sm) 0;
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  line-height: 1.5;
}

.feature-highlights li::before {
  content: '';
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  margin-top: 2px;
}

.feature-highlights li.checked::before {
  content: '✓';
  color: var(--primary-color);
  font-size: var(--font-size-base);
  font-weight: bold;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  animation: checkmark-appear 0.8s ease forwards;
}

@keyframes checkmark-appear {
  0% {
    opacity: 0;
    transform: scale(0.5);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

/* Add subtle background pattern for alternating sections */
.screenshot-feature:nth-child(even) {
  background-color: var(--bg-secondary);
  margin-left: calc(-1 * var(--spacing-lg));
  margin-right: calc(-1 * var(--spacing-lg));
  padding-left: var(--spacing-lg);
  padding-right: var(--spacing-lg);
  border-radius: var(--radius-xl);
}

/* Responsive design for screenshots */
@media (max-width: 1024px) {
  .screenshot-feature {
    gap: var(--spacing-2xl);
  }
  
  .phone-frame {
    max-width: 280px;
  }
  
  .feature-content h3 {
    font-size: var(--font-size-xl);
  }
  
  .feature-content p {
    font-size: var(--font-size-base);
  }
}

@media (max-width: 768px) {
  .screenshots-showcase {
    padding: var(--spacing-2xl) 0;
  }
  
  .screenshot-feature {
    grid-template-columns: 1fr;
    grid-template-areas: 
      "image"
      "content" !important;
    gap: var(--spacing-lg);
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    padding: var(--spacing-lg) 0;
  }
  
  .screenshot-feature:nth-child(even) {
    margin-left: 0;
    margin-right: 0;
    padding-left: 0;
    padding-right: 0;
    background-color: transparent;
  }
  
  .feature-content {
    padding: var(--spacing-md);
  }
  
  .feature-content h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
  }
  
  .feature-content p {
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-md);
  }
  
  .phone-frame {
    max-width: 280px;
    margin: 0 auto;
  }
  
  /* Larger display modes image on tablet */
  .screenshot-feature .phone-frame:has(img[src*="display-modes"]),
  .screenshot-feature:has(.phone-frame img[src*="display-modes"]) .phone-frame {
    max-width: 300px;
  }
  
  .feature-highlights {
    text-align: left;
    max-width: 400px;
    margin: 0 auto;
  }
  
  .feature-highlights li {
    justify-content: flex-start;
    font-size: var(--font-size-sm);
    padding: var(--spacing-xs) 0;
  }
}

@media (max-width: 480px) {
  .screenshots-showcase {
    padding: var(--spacing-xl) 0;
  }
  
  .screenshot-feature {
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-md) 0;
    gap: var(--spacing-md);
  }
  
  .feature-content {
    padding: var(--spacing-sm);
  }
  
  .feature-content h3 {
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-sm);
  }
  
  .feature-content p {
    font-size: var(--font-size-xs);
    margin-bottom: var(--spacing-sm);
  }
  
  .phone-frame {
    max-width: 200px;
  }
  
  /* Larger display modes image on mobile */
  .screenshot-feature .phone-frame:has(img[src*="display-modes"]),
  .screenshot-feature:has(.phone-frame img[src*="display-modes"]) .phone-frame {
    max-width: 240px;
  }
  
  .feature-highlights {
    max-width: 320px;
  }
  
  .feature-highlights li {
    font-size: var(--font-size-xs);
    padding: 2px 0;
    line-height: 1.4;
  }
}

/* Download Section */
.download {
  padding: var(--spacing-3xl) 0;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: var(--text-inverse);
}

.download * {
  color: var(--text-inverse);
}

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

.download h2 {
  margin-bottom: var(--spacing-lg);
}

.download p {
  opacity: 0.9;
  margin-bottom: var(--spacing-xl);
}

.download-features {
  margin-bottom: var(--spacing-xl);
}

.download-feature {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.check {
  width: 20px;
  height: 20px;
  background-color: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-sm);
  font-weight: 700;
  flex-shrink: 0;
}

.app-store-buttons {
  margin-bottom: var(--spacing-xl);
}

.app-store-btn {
  display: inline-block;
  transition: transform var(--transition-fast);
}

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

.app-store-btn img {
  height: 60px;
  width: auto;
}

.download-info {
  opacity: 0.8;
}

.download-info p {
  font-size: var(--font-size-sm);
  margin: 0;
}

.phone-mockup.large {
  max-width: 400px;
}

.phone-mockup.large .app-interface {
  height: 600px;
}

.welcome-screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  text-align: center;
}

.app-icon {
  font-size: 80px;
  margin-bottom: var(--spacing-lg);
}

.welcome-screen h3 {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

.welcome-screen p {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xl);
}

.get-started-btn {
  background-color: var(--primary-color);
  color: var(--text-inverse);
  border: none;
  padding: var(--spacing-md) var(--spacing-xl);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-base);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.get-started-btn:hover {
  background-color: var(--primary-hover);
  transform: translateY(-1px);
}

@media (max-width: 768px) {
  .download-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
    text-align: center;
  }
}

/* Footer */
.footer {
  background-color: rgb(51, 111, 206);
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  padding: var(--spacing-3xl) 0 var(--spacing-xl);
  color: white;
}

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

.footer-section h3, .footer-section h4 {
  margin-bottom: var(--spacing-lg);
  color: white;
}

.footer-section p {
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--spacing-lg);
}

.footer-section ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

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

.footer-section ul li a {
  color: rgba(255, 255, 255, 0.8);
  transition: color var(--transition-fast);
}

.footer-section ul li a:hover {
  color: white;
}

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

.social-links a {
  width: 40px;
  height: 40px;
  background-color: rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-lg);
  transition: all var(--transition-fast);
}

.social-links a:hover {
  background-color: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  padding-top: var(--spacing-lg);
}

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

.footer-bottom p {
  margin: 0;
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--font-size-sm);
}

.footer-links {
  display: flex;
  gap: var(--spacing-lg);
}

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

.footer-links a:hover {
  color: white;
}

@media (max-width: 768px) {
  .footer {
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    text-align: center;
    margin-bottom: var(--spacing-xl);
  }
  
  .footer-section h3,
  .footer-section h4 {
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-lg);
  }
  
  .footer-section p {
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-md);
  }
  
  .footer-section ul li {
    margin-bottom: var(--spacing-xs);
  }
  
  .footer-section ul li a {
    font-size: var(--font-size-sm);
  }
  
  .social-links {
    justify-content: center;
  }
  
  .footer-bottom-content {
    flex-direction: column;
    gap: var(--spacing-md);
    text-align: center;
  }
  
  .footer-links {
    justify-content: center;
    gap: var(--spacing-md);
  }
  
  .footer-bottom p,
  .footer-links a {
    font-size: var(--font-size-xs);
  }
}

@media (max-width: 480px) {
  .footer {
    padding: var(--spacing-xl) 0 var(--spacing-md);
  }
  
  .footer-content {
    gap: var(--spacing-lg);
  }
  
  .footer-section h3,
  .footer-section h4 {
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-sm);
  }
  
  .footer-section p {
    font-size: var(--font-size-xs);
  }
  
  .social-links a {
    width: 36px;
    height: 36px;
    font-size: var(--font-size-base);
  }
}

/* Customer Reviews Section */
.customer-reviews {
  padding: var(--spacing-3xl) 0;
  background-color: var(--bg-primary);
  overflow: hidden;
}

.reviews-carousel-container {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-xl);
  height: 600px;
  margin-top: var(--spacing-2xl);
}

.reviews-column {
  position: relative;
  overflow: hidden;
}

.reviews-column::before,
.reviews-column::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  height: 100px;
  z-index: 10;
  pointer-events: none;
}

.reviews-column::before {
  top: 0;
  background: linear-gradient(to bottom, var(--bg-primary), transparent);
}

.reviews-column::after {
  bottom: 0;
  background: linear-gradient(to top, var(--bg-primary), transparent);
}

.reviews-track {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  animation-duration: 60s;
  animation-timing-function: linear;
  animation-iteration-count: infinite;
  width: 100%;
}

.reviews-column[data-direction="up"] .reviews-track {
  animation-name: scroll-up;
}

.reviews-column[data-direction="down"] .reviews-track {
  animation-name: scroll-down;
}

.reviews-track:hover {
  animation-play-state: paused;
}

@keyframes scroll-up {
  0% {
    transform: translateY(0);
  }
  100% {
    transform: translateY(-50%);
  }
}

@keyframes scroll-down {
  0% {
    transform: translateY(-50%);
  }
  100% {
    transform: translateY(0);
  }
}

.review-card {
  background-color: var(--bg-elevated);
  padding: var(--spacing-xl);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-small);
  border: 1px solid var(--border-light);
  transition: all var(--transition-base);
  pointer-events: none;
  user-select: none;
  min-height: 200px;
  flex-shrink: 0;
}

.review-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-medium);
}

.review-stars {
  color: #FFD700;
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-md);
  line-height: 1;
}

.review-text {
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
  font-style: italic;
}

.review-author {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.review-author strong {
  color: var(--text-primary);
  font-weight: 600;
  font-size: var(--font-size-base);
}

.review-author span {
  color: var(--text-tertiary);
  font-size: var(--font-size-sm);
}

@media (max-width: 1024px) {
  .reviews-carousel-container {
    grid-template-columns: repeat(2, 1fr);
    height: 500px;
  }
  
  .reviews-column:last-child {
    display: none;
  }
}

@media (max-width: 768px) {
  .customer-reviews {
    padding: var(--spacing-2xl) 0;
  }
  
  .reviews-carousel-container {
    grid-template-columns: 1fr;
    height: 400px;
    gap: 0;
  }
  
  .reviews-column:nth-child(2),
  .reviews-column:nth-child(3) {
    display: none;
  }
  
  .reviews-column::before,
  .reviews-column::after {
    height: 60px;
  }
  
  .review-card {
    padding: var(--spacing-lg);
    min-height: 150px;
  }
  
  .review-text {
    font-size: var(--font-size-sm);
  }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.mx-auto { margin-left: auto; margin-right: auto; }

.hidden { display: none; }
.visible { display: block; }

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

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

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

.fade-in {
  animation: fadeIn 0.4s ease forwards;
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  html {
    scroll-behavior: auto;
  }
}

/* Focus styles */
button:focus-visible,
a:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* Print styles */
@media print {
  .navbar,
  .form-check,
  .nav-toggle,
  .hero-cta,
  .app-store-buttons {
    display: none;
  }
  
  body {
    background: white;
    color: black;
  }
}