/* =====================================================
   Athena Software - Main Stylesheet
   Apple-style minimalist design system
   ===================================================== */

/* CSS Reset & Base Styles */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.5;
  color: var(--color-text);
  background-color: var(--color-background);
}

/* CSS Custom Properties */
:root {
  /* Colors */
  --color-primary: #0071e3;
  --color-primary-hover: #0077ed;
  --color-background: #ffffff;
  --color-background-secondary: #f5f5f7;
  --color-background-dark: #000000;
  --color-text: #1d1d1f;
  --color-text-secondary: #86868b;
  --color-text-light: #ffffff;
  --color-border: #d2d2d7;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 5rem;

  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 22px;

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;

  /* Max Width */
  --max-width: 980px;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
}

h2 {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
}

h3 {
  font-size: clamp(1.25rem, 2vw, 1.5rem);
}

p {
  color: var(--color-text-secondary);
  font-size: 1.0625rem;
  line-height: 1.6;
}

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

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

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

/* Layout Components */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.section {
  padding: var(--spacing-2xl) 0;
}

/* =====================================================
   Header
   ===================================================== */
.site-header {
  padding: var(--spacing-2xl) 0 var(--spacing-xl);
  text-align: center;
}

.site-header h1 {
  margin-bottom: var(--spacing-sm);
  background: linear-gradient(135deg, var(--color-text) 0%, #515154 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.site-header .subtitle {
  font-size: 1.25rem;
  color: var(--color-text-secondary);
  font-weight: 400;
}

/* =====================================================
   App Grid
   ===================================================== */
.app-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  padding: var(--spacing-lg) 0;
}

.app-card {
  background: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--spacing-lg);
  text-align: center;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.app-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
}

.app-icon {
  width: 120px;
  height: 120px;
  margin: 0 auto var(--spacing-md);
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(102, 126, 234, 0.3);
}

.app-icon svg {
  width: 60px;
  height: 60px;
  color: white;
}

.app-card h3 {
  margin-bottom: var(--spacing-xs);
  color: var(--color-text);
}

.app-card p {
  margin-bottom: var(--spacing-md);
  font-size: 1rem;
}

/* =====================================================
   Buttons
   ===================================================== */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  font-weight: 500;
  text-align: center;
  border-radius: var(--radius-xl);
  cursor: pointer;
  transition: all var(--transition-fast);
  border: none;
  text-decoration: none;
}

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

.btn-primary:hover {
  background-color: var(--color-primary-hover);
  color: var(--color-text-light);
  transform: scale(1.02);
}

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

.btn-secondary:hover {
  background-color: var(--color-primary);
  color: var(--color-text-light);
}

.btn-large {
  padding: 1rem 2rem;
  font-size: 1.125rem;
}

/* =====================================================
   Footer
   ===================================================== */
.site-footer {
  padding: var(--spacing-xl) 0;
  text-align: center;
  border-top: 1px solid var(--color-border);
  margin-top: var(--spacing-2xl);
}

.site-footer p {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

.site-footer a {
  color: var(--color-text-secondary);
}

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

/* =====================================================
   Hero Section (Dark Theme - for App Pages)
   ===================================================== */
.hero-dark {
  background-color: var(--color-background-dark);
  color: var(--color-text-light);
  padding: var(--spacing-2xl) 0;
  text-align: center;
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-dark .container {
  max-width: 1200px;
}

.hero-dark h1 {
  color: var(--color-text-light);
  margin-bottom: var(--spacing-sm);
  background: linear-gradient(135deg, #ffffff 0%, #a1a1a6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-dark .subtitle {
  font-size: 1.5rem;
  color: #a1a1a6;
  margin-bottom: var(--spacing-xl);
  font-weight: 400;
}

.hero-dark .btn-primary {
  background-color: var(--color-text-light);
  color: var(--color-background-dark);
}

.hero-dark .btn-primary:hover {
  background-color: #f5f5f7;
  color: var(--color-background-dark);
}

/* =====================================================
   Navigation (App Pages)
   ===================================================== */
.nav-back {
  padding: var(--spacing-md) 0;
  background-color: var(--color-background-dark);
}

.nav-back .container {
  max-width: 1200px;
}

.nav-back a {
  color: var(--color-primary);
  font-size: 1rem;
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
}

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

/* =====================================================
   Features Section
   ===================================================== */
.features {
  background-color: var(--color-background-secondary);
  padding: var(--spacing-2xl) 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-xl);
}

.feature-item {
  text-align: center;
  padding: var(--spacing-lg);
}

.feature-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--spacing-md);
  background: linear-gradient(135deg, var(--color-primary) 0%, #34aadc 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.feature-icon svg {
  width: 32px;
  height: 32px;
  color: white;
}

.feature-item h3 {
  margin-bottom: var(--spacing-xs);
  color: var(--color-text);
}

.feature-item p {
  font-size: 1rem;
  max-width: 300px;
  margin: 0 auto;
}

/* =====================================================
   App Store Badge
   ===================================================== */
.app-store-badge {
  display: inline-block;
  transition: transform var(--transition-fast);
}

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

.app-store-badge img {
  height: 54px;
  width: auto;
}

/* =====================================================
   Responsive Design
   ===================================================== */
@media (max-width: 768px) {
  :root {
    --spacing-2xl: 3rem;
  }

  .site-header,
  .site-header-dark {
    padding: var(--spacing-xl) 0 var(--spacing-lg);
  }

  .hero-dark {
    min-height: 60vh;
    padding: var(--spacing-xl) 0;
  }

  .hero-dark .subtitle {
    font-size: 1.25rem;
  }

  .app-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin: 0 auto;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-sm);
  }

  .btn-large {
    padding: 0.875rem 1.5rem;
    font-size: 1rem;
  }
}

/* =====================================================
   Dark Theme (Homepage)
   ===================================================== */
.dark-theme {
  background-color: var(--color-background-dark);
  color: var(--color-text-light);
}

.dark-theme h2 {
  color: var(--color-text-light);
}

/* Dark Header */
.site-header-dark {
  padding: var(--spacing-2xl) 0 var(--spacing-xl);
  text-align: center;
  background-color: var(--color-background-dark);
}

.site-header-dark h1 {
  margin-bottom: var(--spacing-sm);
  background: linear-gradient(135deg, #ffffff 0%, #a1a1a6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.site-header-dark .subtitle {
  font-size: 1.25rem;
  color: #a1a1a6;
  font-weight: 400;
}

/* Dark App Card */
.app-card-dark {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
  padding: var(--spacing-lg);
  text-align: center;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), background var(--transition-normal);
}

.app-card-dark:hover {
  transform: translateY(-4px);
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

.app-card-dark h3 {
  margin-bottom: var(--spacing-xs);
  color: var(--color-text-light);
}

.app-card-dark p {
  margin-bottom: var(--spacing-md);
  font-size: 1rem;
  color: #a1a1a6;
}

/* Dark Button */
.btn-primary-dark {
  background-color: var(--color-text-light);
  color: var(--color-background-dark);
}

.btn-primary-dark:hover {
  background-color: #f5f5f7;
  color: var(--color-background-dark);
  transform: scale(1.02);
}

/* Dark Footer */
.site-footer-dark {
  padding: var(--spacing-xl) 0;
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  background-color: var(--color-background-dark);
}

.site-footer-dark p {
  font-size: 0.875rem;
  color: #a1a1a6;
}

.site-footer-dark a {
  color: #a1a1a6;
}

.site-footer-dark a:hover {
  color: var(--color-primary);
}

/* =====================================================
   App Icon Image (Real Logo)
   ===================================================== */
.app-icon-img {
  width: 120px;
  height: 120px;
  margin: 0 auto var(--spacing-md);
  border-radius: var(--radius-lg);
  object-fit: contain;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

/* =====================================================
   Hero with App Icon
   ===================================================== */
.hero-content {
  display: block;
  max-width: 1200px;
  /* Increased max-width to accommodate larger side-by-side elements */
}

.hero-split-layout {
  display: flex;
  align-items: center;
  justify-content: space-between;
  /* Improve spacing distribution */
  gap: var(--spacing-2xl);
  text-align: left;
}

.hero-text-content {
  flex: 1;
  max-width: 600px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.hero-qr-code {
  flex: 1;
  max-width: 450px;
  /* Increased from 200px to match visual weight */
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 1.5rem;
  /* Increased padding */
  background: white;
  border-radius: var(--radius-xl);
  /* Increased radius matches larger size */
}

.hero-qr-code img {
  width: 100%;
  height: auto;
  display: block;
}

.qr-caption {
  font-size: 1rem;
  color: #a1a1a6;
  margin-top: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  text-align: center;
}

.hero-qr-code .app-store-badge-large {
  margin-top: var(--spacing-sm);
  width: 80%;
}

.hero-qr-code .app-store-badge-large img {
  height: auto;
  width: 100%;
}

/* Override alignment for hero elements when in split layout */
.hero-text-content .hero-app-icon {
  margin: 0 0 var(--spacing-lg) 0;
}

.hero-text-content .hero-description {
  text-align: left;
  margin-left: 0;
}

.hero-text-content .star-rating {
  margin-bottom: var(--spacing-lg);
  justify-content: flex-start;
}

/* Reset to centered layout on smaller screens */
@media (max-width: 1000px) {

  /* Increased breakpoint for larger layout */
  .hero-split-layout {
    flex-direction: column;
    text-align: center;
    gap: var(--spacing-xl);
  }

  .hero-text-content {
    align-items: center;
    max-width: 100%;
  }

  .hero-qr-code {
    max-width: 300px;
    /* Smaller QR on mobile */
  }

  .hero-text-content .hero-app-icon {
    margin: 0 auto var(--spacing-lg);
  }

  .hero-text-content .hero-description {
    text-align: center;
    margin: 0 auto var(--spacing-xl);
  }

  .hero-text-content .star-rating {
    justify-content: center;
  }
}

.hero-app-icon {
  width: 140px;
  height: 140px;
  border-radius: var(--radius-xl);
  margin-bottom: var(--spacing-lg);
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.4);
}

.hero-description {
  font-size: 1.25rem;
  color: #a1a1a6;
  max-width: 500px;
  margin-bottom: var(--spacing-xl);
  text-align: center;
}

/* =====================================================
   Screenshots Gallery
   ===================================================== */
.screenshots-section {
  background-color: var(--color-background);
  padding: var(--spacing-2xl) 0;
  overflow: hidden;
}

.screenshots-section h2 {
  text-align: center;
  margin-bottom: var(--spacing-xl);
  color: var(--color-text);
}

.screenshots-gallery {
  display: flex;
  gap: var(--spacing-md);
  overflow-x: auto;
  padding: var(--spacing-md) 0;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.screenshots-gallery::-webkit-scrollbar {
  display: none;
}

.screenshot {
  flex: 0 0 auto;
  width: 280px;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
  scroll-snap-align: center;
  transition: transform var(--transition-normal);
}

.screenshot:hover {
  transform: scale(1.02);
}

.screenshot:first-child {
  margin-left: calc((100vw - var(--max-width)) / 2 + var(--spacing-md));
}

.screenshot:last-child {
  margin-right: calc((100vw - var(--max-width)) / 2 + var(--spacing-md));
}

/* =====================================================
   Dark Features Section
   ===================================================== */
.features-dark {
  background-color: var(--color-background-dark);
  padding: var(--spacing-2xl) 0;
}

.features-dark .container {
  max-width: 1200px;
}

.features-dark .features-grid {
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-xl);
}

.feature-item-dark {
  text-align: center;
  padding: var(--spacing-xl);
}

.feature-item-dark .feature-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--spacing-md);
}

.feature-item-dark .feature-icon svg {
  width: 40px;
  height: 40px;
}

.feature-item-dark h3 {
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-light);
  font-size: 1.25rem;
}

.feature-item-dark p {
  font-size: 1.05rem;
  max-width: 350px;
  margin: 0 auto;
  color: #a1a1a6;
  line-height: 1.5;
}

@media (max-width: 900px) {
  .features-dark .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .features-dark .features-grid {
    grid-template-columns: 1fr;
  }
}

/* =====================================================
   CTA Section
   ===================================================== */
.cta-section {
  background-color: var(--color-background-dark);
  padding: var(--spacing-2xl) 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.cta-section h2 {
  color: var(--color-text-light);
  margin-bottom: var(--spacing-sm);
}

/* =====================================================
   Star Rating
   ===================================================== */
.star-rating {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
}

.stars-wrapper {
  display: flex;
  align-items: center;
}

.stars {
  color: #ffd700;
  font-size: 1.5rem;
}

.half-star {
  display: inline-block;
  font-size: 1.5rem;
  margin-left: -2px;
  background: linear-gradient(90deg, #ffd700 50%, #555 50%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.rating-text {
  color: #a1a1a6;
  font-size: 1rem;
}

/* =====================================================
   Full-Width Screenshots Gallery
   ===================================================== */
.screenshots-section-fullwidth {
  background-color: var(--color-background);
  padding: var(--spacing-2xl) 0 var(--spacing-xl);
}

.screenshots-section-fullwidth h2 {
  text-align: center;
  margin-bottom: var(--spacing-lg);
  color: var(--color-text);
}

.screenshots-gallery-fullwidth {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md) var(--spacing-lg);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.screenshots-gallery-fullwidth::-webkit-scrollbar {
  display: none;
}

.screenshot-large {
  flex: 0 0 auto;
  height: 500px;
  width: auto;
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
  scroll-snap-align: center;
  transition: transform var(--transition-normal);
}

.screenshot-large:hover {
  transform: scale(1.02);
}

/* =====================================================
   Larger App Store Badge (CTA)
   ===================================================== */
.app-store-badge-large {
  display: inline-block;
  transition: transform var(--transition-fast);
}

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

.app-store-badge-large img {
  height: 70px;
  width: auto;
}

/* =====================================================
   Responsive Adjustments for New Elements
   ===================================================== */
@media (max-width: 768px) {
  .hero-app-icon {
    width: 100px;
    height: 100px;
  }

  .hero-description {
    font-size: 1.1rem;
    padding: 0 var(--spacing-sm);
  }

  .screenshot {
    width: 220px;
  }

  .screenshot:first-child {
    margin-left: var(--spacing-md);
  }

  .screenshot:last-child {
    margin-right: var(--spacing-md);
  }

  .features-grid {
    grid-template-columns: 1fr 1fr;
  }

  .screenshot-large {
    height: 400px;
  }

  .stars {
    font-size: 1.25rem;
  }

  .app-store-badge-large img {
    height: 60px;
  }
}

@media (max-width: 480px) {
  .screenshot {
    width: 200px;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .screenshot-large {
    height: 350px;
  }

  .star-rating {
    flex-direction: column;
    gap: var(--spacing-xs);
  }
}

/* =====================================================
   Main Navigation Bar
   ===================================================== */
.main-nav {
  background-color: rgba(0, 0, 0, 0.8);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 48px;
}

.nav-logo {
  display: flex;
  align-items: center;
  color: var(--color-text-light);
  font-weight: 600;
  font-size: 1.1rem;
  text-decoration: none;
  transition: opacity var(--transition-fast);
}

.nav-logo:hover {
  opacity: 0.8;
  color: var(--color-text-light);
}

.nav-logo-img {
  height: 24px;
  width: 24px;
  margin-right: 8px;
  vertical-align: middle;
  border-radius: 4px;
}

.header-logo {
  width: 120px;
  height: 120px;
  margin-bottom: var(--spacing-md);
  border-radius: var(--radius-lg);
}

.nav-links {
  display: flex;
  list-style: none;
  gap: var(--spacing-lg);
  align-items: center;
}

.nav-links>li>a,
.nav-dropdown-btn {
  color: #a1a1a6;
  text-decoration: none;
  font-size: 0.9rem;
  transition: color var(--transition-fast);
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
}

.nav-links>li>a:hover,
.nav-dropdown-btn:hover {
  color: var(--color-text-light);
}

.nav-links>li>a.active {
  color: var(--color-text-light);
}

/* Dropdown Menu */
.nav-dropdown {
  position: relative;
}

.nav-dropdown-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  background-color: rgba(30, 30, 30, 0.95);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-radius: var(--radius-md);
  padding: var(--spacing-sm) 0;
  min-width: 180px;
  list-style: none;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-fast), visibility var(--transition-fast);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
  margin-top: 8px;
}

.nav-dropdown:hover .nav-dropdown-menu {
  opacity: 1;
  visibility: visible;
}

.nav-dropdown-menu li a {
  display: block;
  padding: var(--spacing-xs) var(--spacing-md);
  color: #a1a1a6;
  text-decoration: none;
  font-size: 0.9rem;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.nav-dropdown-menu li a:hover {
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--color-text-light);
}

/* Mobile Navigation */
@media (max-width: 600px) {
  .nav-links {
    gap: var(--spacing-md);
  }

  .nav-links>li>a,
  .nav-dropdown-btn {
    font-size: 0.85rem;
  }

  .nav-logo {
    font-size: 1rem;
  }
}

/* =====================================================
   About Page Styles
   ===================================================== */
.about-hero {
  background-color: var(--color-background-dark);
  color: var(--color-text-light);
  padding: var(--spacing-2xl) 0;
  text-align: center;
}

.about-hero h1 {
  background: linear-gradient(135deg, #ffffff 0%, #a1a1a6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--spacing-sm);
}

.about-hero .subtitle {
  font-size: 1.25rem;
  color: #a1a1a6;
}

.about-section {
  background-color: var(--color-background-dark);
  padding: var(--spacing-2xl) 0;
}

.about-section h2 {
  color: var(--color-text-light);
  margin-bottom: var(--spacing-lg);
  text-align: center;
}

.about-description {
  font-size: 1.2rem;
  color: #a1a1a6;
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
  line-height: 1.7;
}

/* Pillars Section */
.pillars-section {
  background-color: #111;
  padding: var(--spacing-2xl) 0;
}

.pillars-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-xl);
  max-width: 1000px;
  margin: 0 auto;
}

.pillar-item {
  text-align: center;
  padding: var(--spacing-xl);
}

.pillar-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--spacing-md);
  background: linear-gradient(135deg, var(--color-primary) 0%, #34aadc 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.pillar-icon svg {
  width: 40px;
  height: 40px;
  color: white;
}

.pillar-item h3 {
  color: var(--color-text-light);
  margin-bottom: var(--spacing-sm);
  font-size: 1.25rem;
}

.pillar-item p {
  color: #a1a1a6;
  font-size: 1rem;
  line-height: 1.6;
}

@media (max-width: 768px) {
  .pillars-grid {
    grid-template-columns: 1fr;
  }
}

/* Technology Section */
.tech-section {
  background-color: var(--color-background-dark);
  padding: var(--spacing-2xl) 0;
}

.tech-section h2 {
  color: var(--color-text-light);
}

.tech-description {
  font-size: 1.1rem;
  color: #a1a1a6;
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
  line-height: 1.7;
}

/* =====================================================
   Contact Page Styles
   ===================================================== */
.contact-hero {
  background-color: var(--color-background-dark);
  color: var(--color-text-light);
  padding: var(--spacing-2xl) 0;
  text-align: center;
}

.contact-hero h1 {
  background: linear-gradient(135deg, #ffffff 0%, #a1a1a6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--spacing-sm);
}

.contact-hero .subtitle {
  font-size: 1.25rem;
  color: #a1a1a6;
}

.contact-section {
  background-color: var(--color-background-dark);
  padding: var(--spacing-2xl) 0;
  min-height: 50vh;
}

.contact-container {
  max-width: 800px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: start;
}

.contact-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  text-align: center;
}

.contact-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--spacing-md);
  background: linear-gradient(135deg, var(--color-primary) 0%, #34aadc 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact-icon svg {
  width: 40px;
  height: 40px;
  color: white;
}

.contact-card h2 {
  color: var(--color-text-light);
  margin-bottom: var(--spacing-sm);
}

.contact-description {
  color: #a1a1a6;
  margin-bottom: var(--spacing-lg);
  line-height: 1.6;
}

.contact-email {
  display: inline-block;
  color: var(--color-primary);
  font-size: 1.1rem;
  font-weight: 500;
  text-decoration: none;
  padding: var(--spacing-sm) var(--spacing-lg);
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-xl);
  transition: all var(--transition-fast);
}

.contact-email:hover {
  background-color: var(--color-primary);
  color: var(--color-text-light);
}

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

.contact-info h3 {
  color: var(--color-text-light);
  margin-bottom: var(--spacing-md);
}

.help-list {
  list-style: none;
  margin-bottom: var(--spacing-lg);
}

.help-list li {
  color: #a1a1a6;
  padding: var(--spacing-xs) 0;
  padding-left: var(--spacing-md);
  position: relative;
}

.help-list li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--color-primary);
}

.response-time {
  color: #666;
  font-size: 0.9rem;
  font-style: italic;
}

@media (max-width: 768px) {
  .contact-container {
    grid-template-columns: 1fr;
  }
}

/* =====================================================
   Landing Page Hero Section
   ===================================================== */
.landing-hero {
  background-color: var(--color-background-dark);
  padding: var(--spacing-2xl) 0;
  text-align: center;
}

.landing-hero-content {
  max-width: 700px;
  margin: 0 auto;
}

.landing-hero-logo {
  width: 100px;
  height: 100px;
  margin: 0 auto var(--spacing-lg);
  border-radius: var(--radius-xl);
  display: block;
}

.landing-hero-title {
  font-size: 3.5rem;
  font-weight: 700;
  background: linear-gradient(135deg, #ffffff 0%, #a1a1a6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--spacing-sm);
}

.landing-hero-subtitle {
  font-size: 1.5rem;
  color: var(--color-primary);
  font-weight: 500;
  margin-bottom: var(--spacing-lg);
}

.landing-hero-description {
  font-size: 1.15rem;
  color: #a1a1a6;
  line-height: 1.7;
  max-width: 550px;
  margin: 0 auto;
}

/* =====================================================
   Featured App Section
   ===================================================== */
.featured-app-section {
  background-color: #111;
  padding: var(--spacing-2xl) 0;
}

.section-title {
  text-align: center;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-xl);
  font-size: 2rem;
}

.section-title-small {
  text-align: center;
  color: #a1a1a6;
  margin-bottom: var(--spacing-lg);
  font-size: 1.1rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.featured-app-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  max-width: 800px;
  margin: 0 auto;
}

.featured-app-info {
  display: flex;
  gap: var(--spacing-xl);
  align-items: flex-start;
}

.featured-app-icon {
  width: 120px;
  height: 120px;
  border-radius: var(--radius-lg);
  flex-shrink: 0;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

.featured-app-text {
  flex: 1;
}

.featured-app-text h3 {
  color: var(--color-text-light);
  font-size: 1.75rem;
  margin-bottom: var(--spacing-xs);
}

.featured-app-tagline {
  color: var(--color-primary);
  font-size: 1rem;
  margin-bottom: var(--spacing-md);
}

.featured-app-description {
  color: #a1a1a6;
  font-size: 1.05rem;
  line-height: 1.6;
  margin-bottom: var(--spacing-md);
}

.featured-app-badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
}

.badge {
  background: rgba(255, 255, 255, 0.1);
  color: #a1a1a6;
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
}

.featured-app-buttons {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

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

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

.app-store-badge img {
  height: 44px;
  width: auto;
}

/* =====================================================
   Philosophy Section
   ===================================================== */
.philosophy-section {
  background-color: var(--color-background-dark);
  padding: var(--spacing-2xl) 0;
}

.philosophy-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-xl);
  max-width: 1000px;
  margin: 0 auto;
}

.philosophy-item {
  text-align: center;
  padding: var(--spacing-lg);
}

.philosophy-icon {
  width: 70px;
  height: 70px;
  margin: 0 auto var(--spacing-md);
  background: linear-gradient(135deg, var(--color-primary) 0%, #34aadc 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.philosophy-icon svg {
  width: 32px;
  height: 32px;
  color: white;
}

.philosophy-item h3 {
  color: var(--color-text-light);
  margin-bottom: var(--spacing-sm);
  font-size: 1.2rem;
}

.philosophy-item p {
  color: #a1a1a6;
  font-size: 1rem;
  line-height: 1.6;
}

/* Responsive adjustments for landing page */
@media (max-width: 768px) {
  .landing-hero-title {
    font-size: 2.5rem;
  }

  .landing-hero-subtitle {
    font-size: 1.25rem;
  }

  .featured-app-info {
    flex-direction: column;
    text-align: center;
  }

  .featured-app-icon {
    margin: 0 auto;
  }

  .featured-app-badges {
    justify-content: center;
  }

  .featured-app-buttons {
    justify-content: center;
  }

  .philosophy-grid {
    grid-template-columns: 1fr;
  }
}

/* =====================================================
   Apps Grid Section
   ===================================================== */
.apps-section {
  background-color: #111;
  padding: var(--spacing-lg) 0 var(--spacing-2xl);
}

.apps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
  max-width: 1100px;
  margin: 0 auto;
}

.app-card-link {
  text-decoration: none;
  display: block;
}

.app-card-link .app-card-dark {
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), background var(--transition-normal);
}

.app-card-link:hover .app-card-dark {
  transform: translateY(-8px);
  background: rgba(255, 255, 255, 0.1);
  box-shadow: 0 16px 50px rgba(0, 0, 0, 0.5);
}

.app-tagline {
  color: var(--color-primary);
  font-size: 0.9rem;
  margin-bottom: var(--spacing-xs);
}

@media (max-width: 600px) {
  .apps-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
  }
}

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