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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
  line-height: 1.6;
  color: #333;
  background: #ffffff;
  overflow-x: hidden;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid #e0e0e0;
  z-index: 1000;
  transition: all 0.3s ease;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.nav-logo h1 {
  font-size: 1.5rem;
  font-weight: 700;
  color: #2c3e50;
}

.nav-menu {
  display: flex;
  gap: 2rem;
}

.nav-link {
  text-decoration: none;
  color: #2c3e50;
  font-weight: 500;
  transition: all 0.3s ease;
  position: relative;
}

.nav-link:hover {
  color: #3498db;
}

.nav-link::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -5px;
  left: 50%;
  background: #3498db;
  transition: all 0.3s ease;
  transform: translateX(-50%);
}

.nav-link:hover::after {
  width: 100%;
}

.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
  z-index: 1001;
}

.hamburger span {
  width: 25px;
  height: 2px;
  background: #2c3e50;
  margin: 3px 0;
  transition: 0.3s;
}

.hamburger.active span:nth-child(1) {
  transform: rotate(-45deg) translate(-5px, 6px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(45deg) translate(-5px, -6px);
}

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #394a93 0%, #8122c9 100%);
  color: white;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="1" fill="rgba(255,255,255,0.1)"/></svg>');
  background-size: 50px 50px;
  animation: float 20s infinite linear;
}

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

.hero-content {
  z-index: 2;
  position: relative;
  max-width: 800px;
  padding: 0 2rem;
}

.app-icon-hero {
  width: 120px;
  height: 120px;
  border-radius: 25px;
  margin-bottom: 2rem;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}



.hero-title {
  font-size: clamp(2.5rem, 8vw, 4rem);
  font-weight: 700;
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

.line {
  display: block;
}

.text-gradient {
  background: linear-gradient(45deg, #ff6b6b, #feca57, #48dbfb, #ff9ff3);
  background-size: 400% 400%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: gradientShift 3s ease infinite;
}

@keyframes gradientShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

.hero-subtitle {
  font-size: 1.25rem;
  margin-bottom: 2.5rem;
  opacity: 0.9;
  line-height: 1.6;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.download-button,
.beta-button {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.1rem;
  transition: all 0.3s ease;
  border: 2px solid transparent;
}

.download-button {
  background: rgba(255, 255, 255, 0.2);
  color: white;
  border-color: rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(10px);
}

.download-button:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.beta-button {
  background: transparent;
  color: white;
  border-color: rgba(255, 255, 255, 0.5);
}

.beta-button:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
}

.features-section {
  padding: 8rem 0;
  background: #f8f9fa;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-header h2 {
  font-size: clamp(2rem, 6vw, 3.5rem);
  font-weight: 700;
  color: #2c3e50;
  margin-bottom: 1rem;
}

.section-header p {
  font-size: 1.25rem;
  color: #6c757d;
  max-width: 600px;
  margin: 0 auto;
}

.features-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-bottom: 4rem;
}

.feature-card {
  background: white;
  padding: 3rem 2rem;
  border-radius: 20px;
  text-align: center;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  border: 1px solid #e0e0e0;
}

.feature-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.feature-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border-radius: 50%;
  color: white;
}

.feature-icon i {
  font-size: 2rem;
}

.feature-card h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: #2c3e50;
  margin-bottom: 1rem;
}

.feature-card p {
  color: #6c757d;
  line-height: 1.6;
}

.tech-stack-header {
  text-align: center;
  margin: 4rem 0 2rem;
}

.tech-stack-header p {
  font-size: 1.1rem;
  color: #6c757d;
  max-width: 600px;
  margin: 0 auto;
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.tech-item {
  background: white;
  padding: 2rem 1rem;
  border-radius: 15px;
  text-align: center;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
  transition: all 0.3s ease;
  border: 1px solid #e0e0e0;
}

.tech-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.12);
}

.tech-item img {
  width: 50px;
  height: 50px;
  margin-bottom: 1rem;
}

.tech-item h4 {
  font-size: 1.1rem;
  font-weight: 600;
  color: #2c3e50;
  margin-bottom: 0.5rem;
}

.tech-item p {
  font-size: 0.9rem;
  color: #6c757d;
  line-height: 1.4;
}

.screenshots-section {
  padding: 8rem 0;
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.screenshots-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.screenshot-item {
  border-radius: 20px;
  padding: 2rem;
  transition: all 0.3s ease;
  display: flex;
  justify-content: center;
  align-items: center;
}

.screenshot-item:hover {
  transform: translateY(-10px);
}

.screenshot-img {
  max-width: 100%;
  height: auto;
  border-radius: 15px;
}

.privacy-section {
  padding: 8rem 0;
  background: #f8f9fa;
}

.privacy-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.privacy-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.privacy-card {
  background: white;
  padding: 3rem 2rem;
  border-radius: 20px;
  text-align: center;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  border: 1px solid #e0e0e0;
}

.privacy-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.privacy-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border-radius: 50%;
  color: white;
}

.privacy-icon i {
  font-size: 2rem;
}

.privacy-card h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: #2c3e50;
  margin-bottom: 1rem;
}

.privacy-card p {
  color: #6c757d;
  line-height: 1.6;
}

.accessibility-section {
  padding: 8rem 0;
  background: #f8f9fa;
}

.accessibility-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.accessibility-card {
  background: white;
  padding: 3rem 2rem;
  border-radius: 20px;
  text-align: center;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  border: 1px solid #e0e0e0;
}

.accessibility-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.accessibility-card i {
  font-size: 3rem;
  margin-bottom: 1.5rem;
  color: #667eea;
}

.accessibility-card h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: #2c3e50;
  margin-bottom: 1rem;
}

.accessibility-card p {
  color: #6c757d;
  line-height: 1.6;
}

.tech-card {
  background: white;
  padding: 2rem 1.5rem;
  border-radius: 15px;
  text-align: center;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
  transition: all 0.3s ease;
  border: 1px solid #e0e0e0;
}

.tech-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.12);
}


.tech-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.tech-logo {
  width: 50px;
  height: 50px;
}

.tech-icon i {
  font-size: 2.5rem;
  color: #667eea;
}

.tech-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: #2c3e50;
  margin-bottom: 1rem;
}

.tech-card p {
  color: #6c757d;
  line-height: 1.6;
  font-size: 0.95rem;
}

.footer {
  background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
  color: white;
  padding: 3rem 0;
  text-align: center;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.footer-content p {
  margin: 0.5rem 0;
  opacity: 0.8;
}


.navbar.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.navbar.scrolled .nav-logo h1,
.navbar.scrolled .nav-link {
  color: #2c3e50;
}

.navbar.scrolled .hamburger span {
  background: #2c3e50;
}

.loaded .hero-content {
  animation: fadeInUp 1s ease forwards;
}

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

img.loaded {
  opacity: 1;
  transition: opacity 0.5s ease;
}

.reduce-motion * {
  animation-duration: 0.01ms !important;
  animation-iteration-count: 1 !important;
  transition-duration: 0.01ms !important;
}

.touch-device .feature-card:hover,
.touch-device .tech-card:hover,
.touch-device .privacy-card:hover,
.touch-device .accessibility-card:hover,
.touch-device .screenshot-item:hover {
  transform: none;
}

.touch-device .download-button:hover,
.touch-device .beta-button:hover {
  transform: none;
}

@media (prefers-contrast: high) {
  .accessibility-card,
  .feature-card,
  .tech-card,
  .privacy-card {
    border: 2px solid #000;
  }
}

@media print {
  .navbar,
  .hamburger,
  .hero-buttons,
  .download-button,
  .beta-button {
    display: none !important;
  }
  
  body {
    background: white !important;
    color: black !important;
  }
  
  .hero,
  .features-section,
  .screenshots-section,
  .privacy-section,
  .accessibility-section {
    background: white !important;
    color: black !important;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    height: calc(100vh - 70px);
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding-top: 2rem;
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  }

  .nav-menu.active {
    transform: translateX(0);
  }

  .hamburger {
    display: flex;
  }

  .nav-link {
    padding: 1rem 0;
    font-size: 1.2rem;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .download-button,
  .beta-button {
    width: 100%;
    max-width: 300px;
    justify-content: center;
  }

  .features-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .feature-card {
    padding: 2rem 1.5rem;
  }

  .tech-grid {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  }

  .screenshots-container {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .screenshot-item:nth-child(1),
  .screenshot-item:nth-child(3) {
    display: none !important;
  }
  
  .screenshot-item:nth-child(2) {
    max-width: 400px;
    margin: 0 auto;
  }

  .privacy-grid,
  .accessibility-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .privacy-card,
  .accessibility-card,
  .tech-card {
    padding: 2rem 1.5rem;
  }
}

@media (max-width: 480px) {
  .nav-container {
    padding: 1rem;
  }

  .hero {
    padding: 2rem 1rem;
  }

  .hero-content {
    padding: 0 1rem;
  }

  .app-icon-hero {
    width: 100px;
    height: 100px;
  }

  .hero-subtitle {
    font-size: 1.1rem;
  }

  .features-section {
    padding: 4rem 0;
  }

  .features-container,
  .screenshots-container,
  .privacy-container,
  .accessibility-grid {
    padding: 0 1rem;
  }

  .feature-card,
  .tech-card,
  .privacy-card,
  .accessibility-card {
    padding: 2rem 1rem;
  }

  .section-header {
    margin-bottom: 2rem;
  }
}

.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

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

.mb-4 {
  margin-bottom: 2rem;
}

.mb-5 {
  margin-bottom: 3rem;
}

@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}


@media (prefers-contrast: high) {
  .hero {
    background: #000;
    color: #fff;
  }
  
  .feature-card {
    border: 2px solid #000;
  }
}

@media (prefers-color-scheme: dark) {
  body {
    background: #1a1a1a;
    color: #e0e0e0;
  }

  .navbar {
    background: rgba(26, 26, 26, 0.95);
    border-bottom: 1px solid #333;
  }

  .nav-logo h1,
  .nav-link {
    color: #e0e0e0;
  }

  .nav-link:hover {
    color: #3498db;
  }

  .hamburger span {
    background: #e0e0e0;
  }

  .navbar.scrolled {
    background: rgba(26, 26, 26, 0.98);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
  }

  .navbar.scrolled .nav-logo h1,
  .navbar.scrolled .nav-link,
  .navbar.scrolled .hamburger span {
    color: #e0e0e0;
  }

  

  .hero {
    background: linear-gradient(135deg, #2c3e50 0%, #1a1a2e 100%);
  }

  .features-section,
  .privacy-section,
  .accessibility-section {
    background: #1e1e1e;
  }

  .screenshots-section {
    background: linear-gradient(135deg, #1e1e1e 0%, #2a2a2a 100%);
  }

  .section-header h2 {
    color: #e0e0e0;
  }

  .section-header p {
    color: #b0b0b0;
  }

  .feature-card,
  .privacy-card,
  .accessibility-card,
  .tech-card
  {
    background: #2a2a2a;
    border: 1px solid #3a3a3a;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  }

  .feature-card:hover,
  .privacy-card:hover,
  .accessibility-card:hover,
  .tech-card:hover:hover {
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
  }

  .feature-card h3,
  .privacy-card h3,
  .accessibility-card h3,
  .tech-card h3 {
    color: #e0e0e0;
  }

  .feature-card p,
  .privacy-card p,
  .accessibility-card p,
  .tech-card p {
    color: #b0b0b0;
  }

  .tech-stack-header p {
    color: #b0b0b0;
  }

  .footer {
    background: linear-gradient(135deg, #1a1a1a 0%, #2c2c2c 100%);
  }

  .footer-content p {
    color: #b0b0b0;
  }

  .accessibility-card i {
    color: #5dade2;
  }

  .tech-icon i {
    color: #5dade2;
  }
    .nav-menu {
    background: rgba(26, 26, 26, 0.98);
   
  }
  
}