/* ===================================
   DIETOR WEBSITE STYLES
   Modern color scheme for nutrition app
   Primary: #095f56 (teal)
   Secondary: #85d0a7 (light green)
   =================================== */

/* CSS Variables for App Colors */
:root {
  /* Primary Colors */
  --primary-light: #095f56;
  --secondary-light: #85d0a7;
  --primary-dark: #4a9d8e;
  --secondary-dark: #6bb58a;
  
  /* Nutrition Colors */
  --protein-pink: #DC7B84;
  --carbs-gold: #D4A574;
  --fat-blue: #4A9FBD;
  --fiber-green: #16A085;
  
  /* Neutral Colors */
  --white: #ffffff;
  --black: #000000;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  
  /* Dark Theme Surface Colors */
  --dark-surface: #1A202C;
  --dark-gradient-end: #2D3748;
  
  /* Gradients */
  --primary-gradient: linear-gradient(135deg, var(--primary-light) 0%, var(--secondary-light) 100%);
  --hero-gradient: linear-gradient(135deg, var(--primary-light) 0%, var(--primary-dark) 50%, var(--secondary-light) 100%);
  --card-gradient: linear-gradient(135deg, rgba(9, 95, 86, 0.05) 0%, rgba(133, 208, 167, 0.05) 100%);
  
  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 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;
  --font-size-6xl: 3.75rem;
  
  /* Spacing */
  --spacing-1: 0.25rem;
  --spacing-2: 0.5rem;
  --spacing-3: 0.75rem;
  --spacing-4: 1rem;
  --spacing-5: 1.25rem;
  --spacing-6: 1.5rem;
  --spacing-8: 2rem;
  --spacing-10: 2.5rem;
  --spacing-12: 3rem;
  --spacing-16: 4rem;
  --spacing-20: 5rem;
  --spacing-24: 6rem;
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  
  /* Transitions */
  --transition-fast: 0.15s ease-in-out;
  --transition-normal: 0.3s ease-in-out;
  --transition-slow: 0.5s ease-in-out;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-family);
  line-height: 1.6;
  color: var(--gray-800);
  background-color: var(--white);
  overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: var(--spacing-4);
}

h1 { font-size: var(--font-size-5xl); }
h2 { font-size: var(--font-size-4xl); }
h3 { font-size: var(--font-size-3xl); }
h4 { font-size: var(--font-size-2xl); }
h5 { font-size: var(--font-size-xl); }
h6 { font-size: var(--font-size-lg); }

p {
  margin-bottom: var(--spacing-4);
  color: var(--gray-600);
}

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

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

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-6);
}

/* Section Styles */
section {
  padding: var(--spacing-24) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-16);
}

.section-title {
  color: var(--gray-900);
  margin-bottom: var(--spacing-6);
}

.section-description {
  font-size: var(--font-size-xl);
  color: var(--gray-600);
  max-width: 600px;
  margin: 0 auto;
}

/* Gradient Text */
.gradient-text {
  background: linear-gradient(135deg, #ffd700 0%, #ff8c00 50%, #ffd700 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 700;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

/* Button Styles */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-2);
  padding: var(--spacing-4) var(--spacing-6);
  border-radius: var(--radius-lg);
  font-weight: 500;
  font-size: var(--font-size-base);
  text-decoration: none;
  transition: var(--transition-normal);
  border: none;
  cursor: pointer;
  white-space: nowrap;
}

.btn-primary {
  background: var(--primary-gradient);
  color: var(--white);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
}

.btn-secondary {
  background: var(--white);
  color: var(--primary-light);
  border: 2px solid var(--primary-light);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  background: var(--primary-light);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* Navigation */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  border-bottom: 1px solid var(--gray-200);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
}

.nav-logo {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-lg);
}

.nav-title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--primary-light);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-8);
}

.nav-link {
  font-weight: 500;
  color: var(--gray-700);
  transition: var(--transition-fast);
}

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

.nav-link.download-btn {
  background: var(--primary-gradient);
  color: var(--white);
  padding: var(--spacing-3) var(--spacing-5);
  border-radius: var(--radius-full);
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
}

.nav-link.download-btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 4px;
}

.bar {
  width: 25px;
  height: 3px;
  background: var(--primary-light);
  border-radius: 2px;
  transition: var(--transition-fast);
}

/* Hero Section */
.hero {
  background: var(--hero-gradient);
  color: var(--white);
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 0px; /* Account for fixed header */
}

.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"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
  opacity: 0.3;
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-6);
  position: relative;
  z-index: 2;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-areas: 
    "text image"
    "stats image";
  gap: var(--spacing-16);
  align-items: center;
  min-height: calc(100vh - 80px);
}

.hero-text-top {
  grid-area: text;
  max-width: 600px;
}

.hero-image {
  grid-area: image;
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-stats {
  grid-area: stats;
  display: flex;
  gap: var(--spacing-8);
}

.hero-title {
  font-size: var(--font-size-6xl);
  font-weight: 800;
  margin-top: var(--spacing-16);
  margin-bottom: var(--spacing-6);
  line-height: 1.1;
}

.hero-description {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-8);
  color: rgba(255, 255, 255, 0.9);
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-4);
  margin-bottom: var(--spacing-12);
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: var(--spacing-8);
}

.stat {
  text-align: center;
}

.stat-number {
  display: block;
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--white);
}

.stat-label {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.8);
}

.hero-screenshot {
  max-width: 300px;
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-2xl);
  z-index: 2;
  position: relative;
}

.floating-element {
  position: absolute;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-full);
  padding: var(--spacing-4);
  animation: float 6s ease-in-out infinite;
  border: 1px solid rgba(255, 255, 255, 0.2);
  z-index: 10;
}

.floating-1 {
  top: 15%;
  left: 5%;
  animation-delay: 0s;
}

.floating-2 {
  top: 25%;
  right: 5%;
  animation-delay: 2s;
}

.floating-3 {
  bottom: 20%;
  left: 10%;
  animation-delay: 4s;
}

.floating-element img {
  width: 40px;
  height: 40px;
}

.floating-element i {
  font-size: var(--font-size-2xl);
  color: var(--white);
}

@keyframes float {
  0%, 100% { 
    transform: translateY(0px) rotate(0deg); 
    opacity: 0.8;
  }
  50% { 
    transform: translateY(-15px) rotate(5deg); 
    opacity: 1;
  }
}

/* Features Section */
.features {
  background: var(--gray-50);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-8);
}

.feature-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: var(--spacing-8);
  box-shadow: var(--shadow-md);
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--primary-gradient);
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.feature-icon {
  width: 60px;
  height: 60px;
  background: var(--card-gradient);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-6);
}

.feature-icon i {
  font-size: var(--font-size-2xl);
  color: var(--primary-light);
}

.feature-title {
  color: var(--gray-900);
  margin-bottom: var(--spacing-4);
}

.feature-description {
  margin-bottom: var(--spacing-6);
}

.feature-image {
  margin-bottom: var(--spacing-6);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.feature-image img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.feature-highlights {
  display: flex;
  gap: var(--spacing-2);
  margin-bottom: var(--spacing-6);
  flex-wrap: wrap;
}

.highlight {
  background: var(--card-gradient);
  color: var(--primary-light);
  padding: var(--spacing-1) var(--spacing-3);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 500;
}

.feature-link {
  color: var(--primary-light);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-2);
  transition: var(--transition-fast);
}

.feature-link:hover {
  color: var(--primary-dark);
}

.feature-link::after {
  content: '→';
  transition: var(--transition-fast);
}

.feature-link:hover::after {
  transform: translateX(4px);
}

/* Technology Section */
.technology {
  background: var(--white);
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--spacing-6);
}

.tech-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-4);
  padding: var(--spacing-6);
  background: var(--card-gradient);
  border-radius: var(--radius-lg);
  transition: var(--transition-normal);
}

.tech-item:hover {
  transform: translateY(-4px);
  background: var(--primary-gradient);
  color: var(--white);
}

.tech-item i {
  font-size: var(--font-size-3xl);
  color: var(--primary-light);
  transition: var(--transition-normal);
}

.tech-item:hover i {
  color: var(--white);
}

.tech-item span {
  font-weight: 600;
  color: var(--gray-700);
  transition: var(--transition-normal);
}

.tech-item:hover span {
  color: var(--white);
}

/* Screenshots Section */
.screenshots {
  background: var(--gray-50);
}

.theme-toggle {
  display: flex;
  justify-content: center;
  gap: var(--spacing-4);
  margin-bottom: var(--spacing-12);
}

.theme-btn {
  padding: var(--spacing-3) var(--spacing-6);
  border: 2px solid var(--primary-light);
  background: var(--white);
  color: var(--primary-light);
  border-radius: var(--radius-full);
  cursor: pointer;
  font-weight: 500;
  transition: var(--transition-fast);
}

.theme-btn.active,
.theme-btn:hover {
  background: var(--primary-light);
  color: var(--white);
}

.screenshots-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-8);
}

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

.screenshot-img {
  max-width: 250px;
  margin: 0 auto var(--spacing-4);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  transition: var(--transition-normal);
}

.screenshot-img:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-2xl);
}

.screenshot-item h4 {
  color: var(--gray-800);
  font-size: var(--font-size-lg);
}

/* Multilingual Section */
.multilingual {
  background: var(--white);
}

.languages-showcase {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-16);
  align-items: center;
}

.language-image img {
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
}

.language-content h3 {
  font-size: var(--font-size-3xl);
  color: var(--gray-900);
  margin-bottom: var(--spacing-6);
}

.language-content p {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-8);
}

.language-highlights {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-4);
}

.language-highlight {
  display: flex;
  align-items: center;
  gap: var(--spacing-4);
  padding: var(--spacing-4);
  background: var(--card-gradient);
  border-radius: var(--radius-lg);
}

.language-highlight i {
  font-size: var(--font-size-xl);
  color: var(--primary-light);
}

.language-highlight span {
  font-weight: 500;
  color: var(--gray-700);
}

/* Download Section */
.download {
  background: var(--hero-gradient);
  color: var(--white);
}

.download-content {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.download-title {
  font-size: var(--font-size-5xl);
  margin-bottom: var(--spacing-6);
}

.download-description {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-12);
  color: rgba(255, 255, 255, 0.9);
}

.download-buttons {
  display: flex;
  justify-content: center;
  gap: var(--spacing-6);
  margin-bottom: var(--spacing-12);
  flex-wrap: wrap;
}

.download-btn {
  display: flex;
  align-items: center;
  gap: var(--spacing-4);
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-lg);
  padding: var(--spacing-4) var(--spacing-6);
  color: var(--white);
  transition: var(--transition-normal);
  min-width: 200px;
}

.download-btn:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
  color: var(--primary-light);
}

.btn-icon i {
  font-size: var(--font-size-3xl);
}

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

.btn-label {
  font-size: var(--font-size-sm);
  opacity: 0.8;
}

.btn-store {
  font-size: var(--font-size-lg);
  font-weight: 600;
}

.download-features {
  display: flex;
  justify-content: center;
  gap: var(--spacing-8);
  flex-wrap: wrap;
}

.download-feature {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  color: rgba(255, 255, 255, 0.9);
}

.download-feature i {
  font-size: var(--font-size-lg);
}

/* Footer */
.footer {
  background: var(--gray-900);
  color: var(--white);
  padding: var(--spacing-16) 0 var(--spacing-8);
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--spacing-12);
  margin-bottom: var(--spacing-12);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  margin-bottom: var(--spacing-4);
}

.footer-logo {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-lg);
}

.footer-title {
  font-size: var(--font-size-xl);
  font-weight: 700;
}

.footer-description {
  color: var(--gray-300);
  line-height: 1.6;
}

.footer-heading {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--spacing-6);
  color: var(--white);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: var(--spacing-3);
}

.footer-links a {
  color: var(--gray-300);
  transition: var(--transition-fast);
}

.footer-links a:hover {
  color: var(--secondary-light);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--spacing-8);
  border-top: 1px solid var(--gray-700);
  color: var(--gray-400);
}

.footer-social {
  display: flex;
  gap: var(--spacing-4);
}

.social-link {
  width: 40px;
  height: 40px;
  background: var(--gray-800);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-300);
  transition: var(--transition-fast);
}

.social-link:hover {
  background: var(--primary-light);
  color: var(--white);
}

/* Social Sharing in Footer */
.social-sharing-footer {
  border-top: 1px solid var(--gray-700);
  padding: var(--spacing-8) 0;
  margin-top: var(--spacing-8);
  text-align: center;
}

.social-sharing-footer .social-title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--white);
  margin-bottom: var(--spacing-3);
}

.social-sharing-footer .social-description {
  color: var(--gray-300);
  font-size: var(--font-size-base);
  margin-bottom: var(--spacing-6);
}

.social-sharing-footer .social-buttons {
  display: flex;
  justify-content: center;
  gap: var(--spacing-4);
  flex-wrap: wrap;
}

.social-sharing-footer .social-btn {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  padding: var(--spacing-3) var(--spacing-4);
  border-radius: var(--radius-lg);
  text-decoration: none;
  font-size: var(--font-size-sm);
  font-weight: 500;
  transition: var(--transition-fast);
  border: 1px solid var(--gray-700);
  background: var(--gray-800);
  color: var(--gray-300);
  cursor: pointer;
  min-width: 100px;
  justify-content: center;
}

.social-sharing-footer .social-btn:hover {
  background: var(--gray-700);
  border-color: var(--gray-600);
  color: var(--white);
  transform: translateY(-1px);
}

.social-sharing-footer .social-btn.facebook:hover {
  background: #1877f2;
  border-color: #1877f2;
}

.social-sharing-footer .social-btn.twitter:hover {
  background: #1da1f2;
  border-color: #1da1f2;
}

.social-sharing-footer .social-btn.linkedin:hover {
  background: #0077b5;
  border-color: #0077b5;
}

.social-sharing-footer .social-btn.whatsapp:hover {
  background: #25d366;
  border-color: #25d366;
}

.social-sharing-footer .social-btn.copy-link:hover {
  background: var(--primary-light);
  border-color: var(--primary-light);
}

.social-sharing-footer .social-btn i {
  font-size: var(--font-size-base);
}

/* Responsive Design */
@media (max-width: 1024px) {
  .hero-content {
    display: flex;
    flex-direction: column;
    text-align: center;
    gap: var(--spacing-12);
  }
  
  .hero-text-top {
    order: 1;
    max-width: none;
  }
  
  .hero-image {
    order: 2;
  }
  
  .hero-stats {
    order: 3;
    justify-content: center;
  }
  
  .hero-buttons {
    justify-content: center;
  }
  
  /* Adjust floating elements for medium screens */
  .floating-1 {
    top: 10%;
    left: -20%;
  }
  
  .floating-2 {
    top: 20%;
    right: -20%;
  }
  
  .floating-3 {
    bottom: 25%;
    left: -25%;
  }
  
  .languages-showcase {
    grid-template-columns: 1fr;
    gap: var(--spacing-12);
    text-align: center;
  }
  
  .language-content {
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  
  .language-image {
    display: flex;
    justify-content: center;
  }
  
  .footer-content {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-8);
  }
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 80px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 80px);
    background: var(--white);
    flex-direction: column;
    justify-content: flex-start;
    padding: var(--spacing-8);
    transition: var(--transition-normal);
    box-shadow: var(--shadow-xl);
    z-index: 999;
    overflow-y: auto;
  }
  
  .nav-menu.active {
    left: 0;
  }
  
  /* Add backdrop when mobile menu is active */
  .nav-menu.active::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.5);
    z-index: -1;
  }
  
  .nav-toggle {
    display: flex;
  }
  
  .nav-toggle.active .bar:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  
  .nav-toggle.active .bar:nth-child(2) {
    opacity: 0;
  }
  
  .nav-toggle.active .bar:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
  }
  
  .hero-title {
    font-size: var(--font-size-4xl);
    margin-top: 0; /* Remove extra spacing on mobile */
  }
  
  /* Ensure hero content is properly spaced on mobile */
  .hero {
    padding-top: 40px; /* Extra padding for mobile */
    min-height: calc(100vh - 20px);
  }
  
  .hero-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-8);
    text-align: center;
  }
  
  .hero-text-top {
    order: 1;
    max-width: none;
  }
  
  .hero-image {
    order: 2;
  }
  
  .hero-stats {
    order: 3;
    justify-content: center;
  }
  
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  /* Mobile menu improvements */
  .nav-link {
    padding: var(--spacing-4) 0;
    border-bottom: 1px solid var(--gray-100);
    display: block;
    width: 100%;
    text-align: left;
  }
  
  .nav-link:last-child {
    border-bottom: none;
  }
  
  .nav-link.download-btn {
    margin-top: var(--spacing-4);
    padding: var(--spacing-3) var(--spacing-6);
    border-radius: var(--radius-lg);
    text-align: center;
    border-bottom: none;
  }

  .hero-stats {
    flex-direction: column;
    gap: var(--spacing-4);
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .tech-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .screenshots-gallery {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .download-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .download-features {
    flex-direction: column;
    gap: var(--spacing-4);
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: var(--spacing-4);
    text-align: center;
  }
  
  .social-sharing-footer .social-buttons {
    flex-direction: column;
    gap: var(--spacing-3);
    align-items: center;
  }
  
  .social-sharing-footer .social-btn {
    width: 80%;
    max-width: 280px;
  }
  
  /* Hide floating elements on mobile to avoid clutter */
  .floating-element {
    display: none;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-4);
  }
  
  section {
    padding: var(--spacing-16) 0;
  }
  
  .hero-title {
    font-size: var(--font-size-3xl);
  }
  
  .section-title {
    font-size: var(--font-size-3xl);
  }
  
  .tech-grid {
    grid-template-columns: 1fr;
  }
  
  .screenshots-gallery {
    grid-template-columns: 1fr;
  }
  
  .theme-toggle {
    flex-direction: column;
    align-items: center;
  }
  
  .languages-showcase {
    gap: var(--spacing-8);
  }
  
  .language-content h3 {
    font-size: var(--font-size-2xl);
  }
  
  .language-content p {
    font-size: var(--font-size-base);
    text-align: center;
  }
  
  .language-highlights {
    width: 100%;
    max-width: 300px;
    margin: 0 auto;
  }
}

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

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

/* Scroll animations */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease-out;
}

.animate-on-scroll.animated {
  opacity: 1;
  transform: translateY(0);
}

/* Loading states */
.loading {
  opacity: 0.7;
  pointer-events: none;
}

/* Focus states for accessibility */
.btn:focus,
.nav-link:focus,
.theme-btn:focus {
  outline: 2px solid var(--primary-light);
  outline-offset: 2px;
}

/* Print styles */
@media print {
  .nav, .floating-element, .download-buttons {
    display: none;
  }
  
  .hero {
    background: none;
    color: var(--black);
  }
  
  * {
    box-shadow: none !important;
  }
}

/* ===================
   JAVASCRIPT ENHANCEMENTS
   =================== */

/* Navigation enhancements */
.nav-scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
}

.nav-hidden {
    transform: translateY(-100%);
}

/* Mobile menu styles */
.mobile-menu-btn {
    display: none;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: none;
    background: transparent;
    color: var(--gray-900);
    font-size: var(--font-size-lg);
    cursor: pointer;
    transition: var(--transition-fast);
    border-radius: var(--radius-md);
}

.mobile-menu-btn:hover {
    background: var(--gray-100);
}

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 80px;
        left: 0;
        width: 100%;
        height: calc(100vh - 80px);
        background: var(--white);
        flex-direction: column;
        justify-content: flex-start;
        align-items: stretch;
        padding: var(--spacing-6);
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        z-index: 1000;
        box-shadow: var(--shadow-lg);
    }
    
    .nav-menu.mobile-open {
        transform: translateX(0);
    }
    
    .nav-link {
        padding: var(--spacing-4) 0;
        border-bottom: 1px solid var(--gray-200);
        text-align: center;
    }
    
    .nav-link:last-child {
        border-bottom: none;
    }
}

/* Animation classes */
.animate-in {
    animation: slideInUp 0.6s ease forwards;
}

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



/* Party mode (Easter egg) */
.party-mode {
    animation: party 0.5s ease-in-out infinite alternate;
}

@keyframes party {
    from {
        filter: hue-rotate(0deg);
    }
    to {
        filter: hue-rotate(360deg);
    }
}

/* Loading states */
.loading {
    opacity: 0.6;
    pointer-events: none;
    position: relative;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--primary-light);
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Smooth transitions for better UX */
* {
    transition-property: background-color, border-color, color, fill, stroke, opacity, box-shadow, transform;
    transition-duration: 0.2s;
    transition-timing-function: ease-in-out;
}

/* Focus styles for better accessibility */
*:focus {
    outline: 2px solid var(--primary-light);
    outline-offset: 2px;
}

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

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --gray-100: #f8f9fa;
        --gray-200: #e9ecef;
        --gray-300: #dee2e6;
        --gray-400: #ced4da;
        --gray-500: #000000;
        --gray-600: #000000;
        --gray-700: #000000;
        --gray-800: #000000;
        --gray-900: #000000;
    }
    
    .card,
    .feature-card,
    .screenshot-item {
        border: 2px solid var(--gray-900);
    }
}

/* Print styles */
@media print {
    .nav,
    .footer,
    .download-buttons {
        display: none !important;
    }
    
    body {
        background: white;
        color: black;
        font-size: 12pt;
        line-height: 1.5;
    }
    
    .section {
        page-break-inside: avoid;
        margin-bottom: 20pt;
    }
    
    .section-title {
        page-break-after: avoid;
    }
    
    a {
        color: black;
        text-decoration: underline;
    }
    
    a[href^="http"]:after {
        content: " (" attr(href) ")";
        font-size: 10pt;
        color: #666;
    }
}

/* ===================
   DOCUMENTATION STYLES
   =================== */

/* Documentation Mobile Navigation */
@media (max-width: 768px) {
    .docs-nav {
        display: none !important;
    }
    
    .docs-section-mobile {
        margin-bottom: var(--spacing-4);
    }
    
    .docs-section-title-mobile {
        font-weight: 600;
        color: var(--gray-700);
        padding: var(--spacing-2) 0;
        font-size: var(--font-size-sm);
        text-transform: uppercase;
        letter-spacing: 0.05em;
        border-bottom: 1px solid var(--gray-200);
        margin-bottom: var(--spacing-2);
    }
    
    .docs-link-mobile {
        display: block;
        padding: var(--spacing-2) var(--spacing-4);
        color: var(--gray-600);
        border-radius: var(--radius-md);
        transition: var(--transition-fast);
        font-size: var(--font-size-sm);
        margin-bottom: var(--spacing-1);
    }
    
    .docs-link-mobile:hover,
    .docs-link-mobile.active {
        background-color: var(--gray-100);
        color: var(--primary-light);
    }
    
    /* Show docs nav in hamburger menu */
    .nav-menu.active .docs-section-mobile {
        display: block;
    }
}