/* ===================================
   CSS Variables - Muted Rainbow Pastels
   =================================== */
:root {
  /* Candy Pastel Colors */
  --color-strawberry: #ffb3d9;
  --color-mint: #b3f5e8;
  --color-lemon: #fff8b3;
  --color-blueberry: #b3d9ff;
  --color-peach: #ffd4b3;
  
  /* Primary Brand Colors
     --color-primary-deep and --color-primary-mid are the only shades placed
     behind white text or used as text themselves, so both clear WCAG AA.
     --color-primary-soft-rgb is decorative only, for the shadow tint. */
  --color-primary-soft-rgb: 240, 147, 251;
  --color-primary-mid: #a52d95;
  --color-primary-deep: #7b2487;
  --color-primary-grad-start: #b0359c;
  --color-primary-light: #fad0ff;
  
  /* Neutrals */
  --color-cream: #fffbf5;
  --color-text-dark: #2d2424;
  --color-text-medium: #5a4d4d;
  
  /* Shadows & Effects */
  --shadow-sm: 0 2px 8px rgba(var(--color-primary-soft-rgb), 0.12);
  --shadow-md: 0 4px 16px rgba(var(--color-primary-soft-rgb), 0.18);
  --shadow-lg: 0 8px 32px rgba(var(--color-primary-soft-rgb), 0.24);
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-xxl: 4rem;
  
  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  
  /* Typography */
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-size-base: 16px;
  --font-size-sm: 14px;
  --font-size-lg: 18px;
  --font-size-xl: 24px;
  --font-size-xxl: 32px;
  --font-size-hero: 36px;
  
  /* Header Height */
  --header-height-mobile: 64px;
  --header-height-desktop: 72px;
}

/* ===================================
   Base Styles
   =================================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: var(--font-size-base);
}

body {
  font-family: var(--font-family);
  color: var(--color-text-dark);
  background-color: var(--color-cream);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  /* Clears the fixed mobile CTA bar so it never covers the footer. */
  padding-bottom: calc(78px + env(safe-area-inset-bottom, 0px));
  overflow-x: hidden;
}

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

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* ===================================
   Container
   =================================== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* ===================================
   Header - Sticky Navigation
   =================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height-mobile);
  background-color: rgba(255, 251, 245, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
  z-index: 1000;
  transition: all 0.3s ease;
}

.header-container {
  height: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

.header-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
}

.header-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-text-dark);
  display: none;
}

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

.nav-link {
  display: none;
  align-items: center;
  min-height: 44px;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-medium);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  transition: all 0.3s ease;
}

.nav-link:hover,
.nav-link:active {
  color: var(--color-primary-mid);
  background-color: var(--color-primary-light);
}

.nav-cta {
  min-width: 44px;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary-grad-start), var(--color-primary-deep));
  color: white;
  font-size: var(--font-size-sm);
  font-weight: 600;
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-md);
  transition: all 0.3s ease;
}

.nav-cta:hover,
.nav-cta:active {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* ===================================
   Hero Section
   =================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: calc(var(--header-height-mobile) + var(--spacing-xl)) var(--spacing-md) var(--spacing-xl);
  overflow: hidden;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(255, 251, 245, 0.92) 0%, rgba(240, 147, 251, 0.08) 100%);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 600px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-md);
}

.hero-icon {
  width: 100px;
  height: 100px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  animation: floatGentle 3s ease-in-out infinite;
}

@keyframes floatGentle {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.hero-title {
  font-size: var(--font-size-hero);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-text-dark);
  margin: 0;
}

.hero-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-medium);
  line-height: 1.6;
  margin: 0;
}

.hero-buttons {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  width: 100%;
  margin-top: var(--spacing-sm);
}

/* ===================================
   Download Buttons
   =================================== */
.download-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  min-height: 56px;
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-md);
  font-weight: 600;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-md);
  position: relative;
}

.download-btn-google {
  background-color: var(--color-text-dark);
  color: white;
}

.download-btn-google:hover,
.download-btn-google:active {
  background-color: #1a1414;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.download-btn-apple {
  background-color: #2a2a2a;
  color: white;
  opacity: 0.55;
  filter: grayscale(0.6);
  cursor: not-allowed;
}

.download-btn-apple:disabled {
  opacity: 0.55;
}

.download-icon {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
}

.download-text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  line-height: 1.2;
}

.download-label {
  font-size: 10px;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  opacity: 0.9;
}

.download-store {
  font-size: 16px;
  font-weight: 600;
}

.coming-soon-badge {
  position: absolute;
  top: -8px;
  right: -8px;
  background: linear-gradient(135deg, var(--color-peach), var(--color-strawberry));
  color: var(--color-text-dark);
  font-size: 10px;
  font-weight: 700;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.download-btn-large {
  min-height: 64px;
  padding: var(--spacing-md) var(--spacing-xl);
}

.download-btn-large .download-icon {
  width: 32px;
  height: 32px;
}

.download-btn-large .download-store {
  font-size: 18px;
}

/* ===================================
   Features Section
   =================================== */
.features {
  padding: var(--spacing-xxl) 0;
  background-color: white;
}

.section-title {
  font-size: var(--font-size-xxl);
  font-weight: 700;
  text-align: center;
  color: var(--color-text-dark);
  margin-bottom: var(--spacing-sm);
}

.section-subtitle {
  font-size: var(--font-size-lg);
  text-align: center;
  color: var(--color-text-medium);
  margin-bottom: var(--spacing-xl);
}

.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-md);
}

.feature-card {
  background-color: var(--color-cream);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}

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

.feature-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-strawberry));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-md);
}

.feature-icon svg {
  width: 32px;
  height: 32px;
  color: var(--color-primary-deep);
}

.feature-title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--color-text-dark);
  margin-bottom: var(--spacing-xs);
}

.feature-description {
  font-size: var(--font-size-base);
  color: var(--color-text-medium);
  line-height: 1.7;
}

/* ===================================
   Download CTA Section
   =================================== */
.download-cta {
  padding: var(--spacing-xxl) 0;
  background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-blueberry) 38%, var(--color-mint) 70%, var(--color-lemon) 100%);
  text-align: center;
}

.cta-title {
  font-size: var(--font-size-xxl);
  font-weight: 700;
  color: var(--color-text-dark);
  margin-bottom: var(--spacing-sm);
}

.cta-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-medium);
  margin-bottom: var(--spacing-xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.cta-buttons {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  align-items: center;
  max-width: 500px;
  margin: 0 auto;
}

/* ===================================
   About Section
   =================================== */
.about {
  padding: var(--spacing-xxl) 0;
  background-color: white;
}

.about-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-lg);
  max-width: 800px;
  margin: 0 auto;
}

.about-icon {
  width: 120px;
  height: 120px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

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

.about-text p {
  font-size: var(--font-size-base);
  color: var(--color-text-medium);
  line-height: 1.8;
  margin-bottom: var(--spacing-md);
}

.about-text p:last-child {
  margin-bottom: 0;
}

.about-contact {
  margin-top: var(--spacing-lg);
  font-weight: 500;
}

.email-link {
  color: var(--color-primary-mid);
  text-decoration: underline;
  transition: color 0.3s ease;
}

.email-link:hover,
.email-link:active {
  color: var(--color-primary-deep);
}

/* ===================================
   Footer
   =================================== */
.footer {
  padding: var(--spacing-xl) 0;
  background-color: var(--color-text-dark);
  color: white;
  text-align: center;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-md);
}

.footer-icon {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}

.footer-name {
  font-size: var(--font-size-lg);
  font-weight: 600;
}

.footer-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.footer-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 var(--spacing-xs);
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.8);
  transition: color 0.3s ease;
}

.footer-link:hover,
.footer-link:active {
  color: var(--color-primary-light);
}

.footer-separator {
  color: rgba(255, 255, 255, 0.4);
}

.footer-contact {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: var(--spacing-md);
}

.footer-contact .email-link {
  color: var(--color-primary-light);
}

.footer-copyright {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.6);
}

/* ===================================
   Mobile Sticky CTA
   =================================== */
.mobile-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--spacing-sm);
  padding-bottom: calc(var(--spacing-sm) + env(safe-area-inset-bottom, 0px));
  background-color: rgba(255, 251, 245, 0.98);
  backdrop-filter: blur(10px);
  box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.1);
  z-index: 999;
  opacity: 0;
  transform: translateY(100%);
  transition: all 0.3s ease;
}

.mobile-cta.visible {
  opacity: 1;
  transform: translateY(0);
}

.mobile-cta-btn {
  display: block;
  width: 100%;
  min-height: 50px;
  background: linear-gradient(135deg, var(--color-primary-grad-start), var(--color-primary-deep));
  color: white;
  font-size: var(--font-size-base);
  font-weight: 700;
  text-align: center;
  padding: var(--spacing-sm);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-lg);
  transition: all 0.3s ease;
}

.mobile-cta-btn:active {
  transform: scale(0.98);
}

/* ===================================
   Responsive - Tablet & Desktop
   =================================== */
@media (min-width: 768px) {
  :root {
    --font-size-hero: 48px;
    --font-size-xxl: 40px;
  }
  
  .header {
    height: var(--header-height-desktop);
  }
  
  .header-title {
    display: block;
  }
  
  .nav-link {
    display: inline-flex;
  }
  
  .nav-cta {
    padding: var(--spacing-xs) var(--spacing-lg);
  }
  
  .hero {
    padding-top: calc(var(--header-height-desktop) + var(--spacing-xxl));
  }
  
  .hero-content {
    max-width: 700px;
  }
  
  .hero-icon {
    width: 120px;
    height: 120px;
  }
  
  .hero-buttons {
    flex-direction: row;
    justify-content: center;
  }
  
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
  }
  
  .cta-buttons {
    flex-direction: row;
    justify-content: center;
  }
  
  .about-content {
    flex-direction: row;
    text-align: left;
  }
  
  .about-text {
    text-align: left;
  }
  
  .footer-brand {
    flex-direction: row;
  }
  
  /* Hide mobile sticky CTA on desktop and reclaim its reserved space */
  .mobile-cta {
    display: none;
  }
  
  body {
    padding-bottom: 0;
  }
}

@media (min-width: 1024px) {
  :root {
    --font-size-hero: 56px;
  }
  
  .features-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .hero-content {
    max-width: 800px;
  }
}

/* ===================================
   Accessibility & Reduced Motion
   =================================== */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  .hero-icon {
    animation: none;
  }
}

/* Focus visible styles for keyboard navigation */
:focus-visible {
  outline: 3px solid var(--color-primary-mid);
  outline-offset: 2px;
}

button:focus-visible,
a:focus-visible {
  outline: 3px solid var(--color-primary-mid);
  outline-offset: 2px;
}