/* 
ROBOQUEST MICROSITE STYLES
Based on comprehensive visual design research
Astro Bot-inspired aesthetic with mobile-first responsive design
*/

/* ===== CSS VARIABLES (Based on Research Color Recommendations) ===== */
:root {
  /* Primary Colors - Astro Bot inspired */
  --primary-blue: #4A90E2;
  --primary-white: #FFFFFF;
  --accent-cyan: #50E3C2;
  --accent-orange: #F5A623;
  --accent-pink: #FF6B9D;
  
  /* Secondary Colors - Vibrant palette */
  --bg-gradient-start: #667eea;
  --bg-gradient-end: #764ba2;
  --text-dark: #2C3E50;
  --text-light: #7F8C8D;
  --success-green: #27AE60;
  --warning-orange: #E67E22;
  
  /* Typography - Research recommendations */
  --font-primary: 'Montserrat', sans-serif;
  --font-playful: 'Fredoka One', cursive;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 3rem;
  --spacing-xl: 4rem;
  
  /* Shadows and Effects */
  --shadow-soft: 0 4px 20px rgba(0, 0, 0, 0.1);
  --shadow-medium: 0 8px 30px rgba(0, 0, 0, 0.15);
  --shadow-strong: 0 12px 40px rgba(0, 0, 0, 0.2);
  
  /* Animations */
  --transition-fast: 0.2s ease;
  --transition-medium: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* ===== RESET AND BASE STYLES ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-primary);
  line-height: 1.6;
  color: var(--text-dark);
  background: linear-gradient(135deg, var(--bg-gradient-start), var(--bg-gradient-end));
  min-height: 100vh;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
}

/* ===== NAVIGATION ===== */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-soft);
  z-index: 1000;
  transition: var(--transition-medium);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}

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

.logo-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--primary-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: white;
  box-shadow: var(--shadow-soft);
}

.logo-text {
  font-family: var(--font-playful);
  font-size: 1.5rem;
  color: var(--primary-blue);
  font-weight: 700;
}

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

.nav-link {
  text-decoration: none;
  color: var(--text-dark);
  font-weight: 600;
  transition: var(--transition-fast);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: 20px;
}

.nav-link:hover {
  color: var(--primary-blue);
  background: rgba(74, 144, 226, 0.1);
}

.download-btn {
  background: var(--primary-blue) !important;
  color: white !important;
  padding: var(--spacing-xs) var(--spacing-md) !important;
  border-radius: 25px !important;
  font-weight: 700;
  transition: var(--transition-medium);
}

.download-btn:hover {
  background: var(--accent-cyan) !important;
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
}

/* Mobile Navigation */
.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 4px;
}

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

/* ===== HERO SECTION ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  position: relative;
  overflow: hidden;
  padding-top: 70px;
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: center;
  position: relative;
  z-index: 10;
}

.hero-content {
  animation: slideInLeft 1s ease-out;
}

.hero-title {
  font-family: var(--font-playful);
  font-size: clamp(2.5rem, 5vw, 4rem);
  color: var(--primary-white);
  margin-bottom: var(--spacing-sm);
  text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.3);
}

.highlight {
  color: var(--accent-cyan);
  text-shadow: 0 0 20px rgba(80, 227, 194, 0.5);
}

.hero-subtitle {
  font-size: 1.2rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--spacing-md);
  line-height: 1.8;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: 50px;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.1rem;
  transition: var(--transition-medium);
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--accent-orange);
  color: white;
  box-shadow: var(--shadow-medium);
}

.btn-primary:hover {
  background: var(--warning-orange);
  transform: translateY(-3px);
  box-shadow: var(--shadow-strong);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.2);
  color: white;
  border: 2px solid rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.3);
  border-color: rgba(255, 255, 255, 0.5);
}

.btn-icon {
  font-size: 1.2rem;
}

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

/* Store Badge Styling */
.store-badge {
  background: rgba(255, 255, 255, 0.9);
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  transition: var(--transition-medium);
  backdrop-filter: blur(10px);
  border: 2px solid rgba(255, 255, 255, 0.3);
}

.store-badge:hover {
  transform: scale(1.05);
  background: rgba(255, 255, 255, 1);
  box-shadow: var(--shadow-medium);
}

.store-badge span {
  color: var(--text-dark);
  font-weight: 600;
  font-size: 0.9rem;
}

/* Download Section Store Buttons */
.store-button {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  background: rgba(255, 255, 255, 0.9);
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: 12px;
  transition: var(--transition-medium);
  min-width: 200px;
}

.store-button:hover {
  background: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
}

.store-icon {
  font-size: 2rem;
}

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

.store-text small {
  font-size: 0.8rem;
  color: var(--text-light);
  margin-bottom: 2px;
}

.store-text strong {
  font-size: 1.1rem;
  color: var(--text-dark);
  font-weight: 700;
}

/* Hero Visual */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  animation: slideInRight 1s ease-out;
}

.robot-showcase {
  position: relative;
  max-width: 400px;
  width: 100%;
}

/* Hero Robot Placeholder */
.hero-robot-placeholder {
  position: relative;
  width: 300px;
  height: 300px;
  margin: 0 auto;
}

.robot-character {
  width: 200px;
  height: 200px;
  font-size: 8rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  margin: 0 auto;
  animation: float 3s ease-in-out infinite;
  backdrop-filter: blur(10px);
  border: 3px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.robot-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 250px;
  height: 250px;
  background: radial-gradient(circle, rgba(80, 227, 194, 0.3) 0%, transparent 70%);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

.floating-elements {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.floating-coin {
  position: absolute;
  font-size: 2rem;
  animation: float 2s ease-in-out infinite;
}

.coin-1 {
  top: 20%;
  left: 10%;
  animation-delay: 0s;
}

.coin-2 {
  top: 60%;
  right: 15%;
  animation-delay: 1s;
}

.coin-3 {
  top: 80%;
  left: 20%;
  animation-delay: 2s;
}

/* Background Elements */
.hero-bg-elements {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.bg-cloud {
  position: absolute;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50px;
  animation: float 4s ease-in-out infinite;
}

.cloud-1 {
  width: 100px;
  height: 60px;
  top: 20%;
  left: 10%;
  animation-delay: 0s;
}

.cloud-2 {
  width: 150px;
  height: 90px;
  top: 70%;
  right: 20%;
  animation-delay: 2s;
}

.cloud-3 {
  width: 80px;
  height: 50px;
  top: 40%;
  left: 80%;
  animation-delay: 1s;
}

/* ===== SECTIONS ===== */
.section-title {
  font-family: var(--font-playful);
  font-size: clamp(2rem, 4vw, 3rem);
  text-align: center;
  color: var(--primary-blue);
  margin-bottom: var(--spacing-sm);
}

.section-subtitle {
  text-align: center;
  font-size: 1.2rem;
  color: var(--text-light);
  margin-bottom: var(--spacing-lg);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* ===== FEATURES SECTION ===== */
.features {
  background: var(--primary-white);
  padding: var(--spacing-xl) 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.feature-card {
  background: white;
  padding: var(--spacing-md);
  border-radius: 20px;
  text-align: center;
  box-shadow: var(--shadow-soft);
  transition: var(--transition-medium);
  border: 3px solid transparent;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-medium);
  border-color: var(--accent-cyan);
}

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

.feature-card h3 {
  font-family: var(--font-playful);
  font-size: 1.4rem;
  color: var(--primary-blue);
  margin-bottom: var(--spacing-sm);
}

.feature-card p {
  color: var(--text-light);
  line-height: 1.7;
}

/* ===== GALLERY SECTION ===== */
.gallery {
  background: linear-gradient(45deg, #f093fb 0%, #f5576c 100%);
  padding: var(--spacing-xl) 0;
  color: white;
}

.gallery .section-title {
  color: white;
}

.gallery .section-subtitle {
  color: rgba(255, 255, 255, 0.9);
}

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

.gallery-item {
  position: relative;
  border-radius: 15px;
  overflow: hidden;
  aspect-ratio: 16/9;
  cursor: pointer;
  transition: var(--transition-medium);
}

.gallery-item:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-strong);
}

/* Gallery Placeholder Styling */
.gallery-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 3rem;
  text-align: center;
  transition: var(--transition-medium);
}

.placeholder-content {
  text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.5);
}

.placeholder-content small {
  font-size: 1rem;
  font-weight: 600;
  display: block;
  margin-top: 0.5rem;
}

.gallery-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-medium);
}

.gallery-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
  padding: var(--spacing-md);
  transform: translateY(100%);
  transition: var(--transition-medium);
}

.gallery-item:hover .gallery-overlay {
  transform: translateY(0);
}

.gallery-overlay p {
  color: white;
  font-weight: 600;
  margin: 0;
}

/* Trailer Section */
.trailer-section {
  text-align: center;
  margin-top: var(--spacing-lg);
}

.trailer-section h3 {
  font-family: var(--font-playful);
  font-size: 2rem;
  margin-bottom: var(--spacing-md);
  color: white;
}

.video-container {
  max-width: 800px;
  margin: 0 auto;
  border-radius: 15px;
  overflow: hidden;
  box-shadow: var(--shadow-strong);
}

/* Video Placeholder */
.video-placeholder {
  width: 100%;
  aspect-ratio: 16/9;
  background: linear-gradient(45deg, var(--primary-blue), var(--accent-cyan));
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: white;
  border-radius: 15px;
  text-align: center;
  cursor: pointer;
  transition: var(--transition-medium);
}

.video-placeholder:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow-strong);
}

.play-button {
  font-size: 4rem;
  margin-bottom: var(--spacing-sm);
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(10px);
}

.video-placeholder p {
  font-size: 1.2rem;
  font-weight: 600;
  margin: 0;
}

.video-placeholder small {
  font-size: 0.9rem;
  opacity: 0.8;
}

.game-trailer {
  width: 100%;
  height: auto;
  aspect-ratio: 16/9;
}

/* ===== DEVELOPER STORY SECTION ===== */
.developer-story {
  background: var(--primary-white);
  padding: var(--spacing-xl) 0;
}

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

.story-text h2 {
  font-family: var(--font-playful);
  font-size: 2.5rem;
  color: var(--primary-blue);
  margin-bottom: var(--spacing-md);
}

.story-intro {
  font-size: 1.2rem;
  color: var(--text-light);
  margin-bottom: var(--spacing-md);
  line-height: 1.8;
}

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

.story-point {
  padding: var(--spacing-sm);
  border-left: 4px solid var(--accent-cyan);
  background: rgba(80, 227, 194, 0.05);
  border-radius: 0 10px 10px 0;
}

.story-point h4 {
  color: var(--primary-blue);
  margin-bottom: var(--spacing-xs);
  font-size: 1.1rem;
}

.story-point p {
  color: var(--text-light);
  margin: 0;
}

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

/* Developer Image Placeholder */
.dev-image-placeholder {
  width: 100%;
  max-width: 300px;
  margin: 0 auto var(--spacing-md);
}

.dev-workspace {
  background: linear-gradient(45deg, var(--primary-blue), var(--accent-cyan));
  color: white;
  padding: var(--spacing-lg);
  border-radius: 15px;
  text-align: center;
  font-size: 3rem;
  box-shadow: var(--shadow-medium);
  text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.3);
}

.dev-workspace small {
  font-size: 1rem;
  font-weight: 600;
  display: block;
  margin-top: 0.5rem;
}

.dev-image {
  width: 100%;
  max-width: 300px;
  border-radius: 15px;
  box-shadow: var(--shadow-medium);
  margin-bottom: var(--spacing-md);
}

.dev-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-sm);
}

.stat {
  text-align: center;
  padding: var(--spacing-sm);
  background: white;
  border-radius: 10px;
  box-shadow: var(--shadow-soft);
}

.stat-number {
  display: block;
  font-family: var(--font-playful);
  font-size: 1.5rem;
  color: var(--primary-blue);
  font-weight: 700;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-light);
}

/* ===== COMMUNITY SECTION ===== */
.community {
  background: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
  padding: var(--spacing-xl) 0;
}

.community-links {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.social-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  background: white;
  border-radius: 15px;
  text-decoration: none;
  transition: var(--transition-medium);
  box-shadow: var(--shadow-soft);
}

.social-link:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-medium);
}

.social-icon {
  font-size: 2rem;
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-blue);
  border-radius: 50%;
  color: white;
}

.social-info h4 {
  color: var(--primary-blue);
  margin-bottom: var(--spacing-xs);
  font-weight: 700;
}

.social-info p {
  color: var(--text-light);
  margin: 0;
  font-size: 0.95rem;
}

/* Newsletter Signup */
.newsletter-signup {
  max-width: 500px;
  margin: 0 auto;
  text-align: center;
  background: white;
  padding: var(--spacing-lg);
  border-radius: 20px;
  box-shadow: var(--shadow-medium);
}

.newsletter-signup h3 {
  font-family: var(--font-playful);
  color: var(--primary-blue);
  margin-bottom: var(--spacing-sm);
}

.newsletter-form {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
  flex-wrap: wrap;
}

.email-input {
  flex: 1;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 2px solid var(--accent-cyan);
  border-radius: 25px;
  font-size: 1rem;
  outline: none;
  transition: var(--transition-fast);
  min-width: 250px;
}

.email-input:focus {
  border-color: var(--primary-blue);
  box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.1);
}

/* ===== DOWNLOAD SECTION ===== */
.download-section {
  background: var(--primary-blue);
  color: white;
  padding: var(--spacing-xl) 0;
  text-align: center;
}

.download-content h2 {
  font-family: var(--font-playful);
  font-size: 2.5rem;
  margin-bottom: var(--spacing-sm);
}

.download-content p {
  font-size: 1.2rem;
  margin-bottom: var(--spacing-lg);
  opacity: 0.9;
}

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

.download-btn {
  text-decoration: none;
  transition: var(--transition-medium);
}

.download-btn:hover {
  transform: scale(1.02);
}

.download-info {
  display: flex;
  justify-content: center;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
  margin-top: var(--spacing-md);
}

.info-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: rgba(255, 255, 255, 0.9);
}

.info-icon {
  font-size: 1.2rem;
}

/* ===== PRESS KIT SECTION ===== */
.press-kit {
  background: #f8f9fa;
  padding: var(--spacing-xl) 0;
}

.press-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.press-item {
  background: white;
  padding: var(--spacing-md);
  border-radius: 15px;
  text-align: center;
  box-shadow: var(--shadow-soft);
  transition: var(--transition-medium);
}

.press-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-medium);
}

.press-item h4 {
  color: var(--primary-blue);
  margin-bottom: var(--spacing-sm);
  font-size: 1.2rem;
}

.press-link {
  display: inline-block;
  margin-top: var(--spacing-sm);
  color: var(--accent-orange);
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition-fast);
}

.press-link:hover {
  color: var(--warning-orange);
  text-decoration: underline;
}

/* Developer Bio */
.developer-bio {
  max-width: 600px;
  margin: 0 auto;
  display: flex;
  gap: var(--spacing-md);
  align-items: center;
  background: white;
  padding: var(--spacing-md);
  border-radius: 15px;
  box-shadow: var(--shadow-soft);
}

/* Developer Avatar Placeholder */
.dev-avatar-placeholder {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--primary-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: white;
  box-shadow: var(--shadow-soft);
}

.dev-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
}

.bio-content h4 {
  color: var(--primary-blue);
  margin-bottom: var(--spacing-xs);
}

.dev-links {
  margin-top: var(--spacing-sm);
  display: flex;
  gap: var(--spacing-sm);
}

.dev-link {
  color: var(--accent-cyan);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
}

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

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-sm);
}

.footer-logo-icon {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--accent-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.footer-logo-text {
  font-family: var(--font-playful);
  font-size: 1.2rem;
  color: var(--accent-cyan);
}

.footer-description {
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.6;
}

.footer-section h4 {
  color: var(--accent-cyan);
  margin-bottom: var(--spacing-sm);
  font-weight: 700;
}

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

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

.footer-links a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: var(--transition-fast);
}

.footer-links a:hover {
  color: var(--accent-cyan);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--spacing-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.footer-badges {
  display: flex;
  gap: var(--spacing-xs);
}

.badge {
  background: var(--primary-blue);
  color: white;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: 15px;
  font-size: 0.8rem;
  font-weight: 600;
}

/* ===== ANIMATIONS ===== */
@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

/* ===== RESPONSIVE DESIGN (Mobile-First from Research) ===== */
@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    left: -100%;
    top: 70px;
    flex-direction: column;
    background-color: white;
    width: 100%;
    text-align: center;
    transition: var(--transition-medium);
    box-shadow: var(--shadow-medium);
    padding: var(--spacing-md) 0;
  }

  .nav-menu.active {
    left: 0;
  }

  .hamburger {
    display: flex;
  }

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

  .hamburger.active .bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }

  .hamburger.active .bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }

  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--spacing-md);
  }

  .hero-visual {
    order: -1;
  }

  .hero-buttons {
    justify-content: center;
  }

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

  .story-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .newsletter-form {
    flex-direction: column;
    align-items: center;
  }

  .email-input {
    min-width: 100%;
  }

  .download-info {
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  .developer-bio {
    flex-direction: column;
    text-align: center;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2rem;
  }
  
  .hero-subtitle {
    font-size: 1rem;
  }
  
  .btn {
    padding: var(--spacing-sm);
    font-size: 1rem;
  }
  
  .gallery-grid {
    grid-template-columns: 1fr;
  }
  
  .social-link {
    flex-direction: column;
    text-align: center;
    padding: var(--spacing-md);
  }
  
  .dev-stats {
    grid-template-columns: 1fr;
  }
}

/* ===== UTILITY CLASSES ===== */
.text-center {
  text-align: center;
}

.mt-lg {
  margin-top: var(--spacing-lg);
}

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

.hidden {
  display: none;
}

.fade-in {
  opacity: 0;
  animation: fadeIn 1s ease-in forwards;
}

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

/* ===== LOADING OPTIMIZATIONS ===== */
img {
  max-width: 100%;
  height: auto;
  loading: lazy;
}

.hero-robot {
  loading: eager; /* Priority loading for hero image */
}

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

/* Focus states for accessibility */
.btn:focus,
.nav-link:focus,
.email-input:focus {
  outline: 3px solid var(--accent-cyan);
  outline-offset: 2px;
}