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

:root {
  --bg-primary: #121212;
  --bg-surface: #1E1E1E;
  --bg-surface-glass: rgba(30, 30, 30, 0.85);
  --accent: #4A90E2;
  --accent-glow: rgba(74, 144, 226, 0.3);
  --text-main: #FFFFFF;
  --text-secondary: #B0B0B0;
  --border: rgba(255, 255, 255, 0.15);
  --danger: #FF4444;
  --success: #00E676;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Add monospace font for technical elements (like airport codes if you add them) */
code, .monospace {
  font-family: 'SFMono-Regular', Menlo, Monaco, Consolas, 'Liberation Mono', 'Courier New', monospace;
}

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

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: var(--bg-surface-glass);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
  padding: 1rem 0;
}

.nav-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--accent);
}

.logo-img {
  height: 2rem;
  width: auto;
}

.logo-text {
  color: var(--accent);
}

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

.nav-links a {
  color: var(--text-main);
  text-decoration: none;
  transition: color 0.3s ease;
}

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

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: 80px;
  background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-surface) 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  opacity: 0.1;
  animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 0.1; }
  50% { transform: scale(1.1); opacity: 0.2; }
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  max-width: 1400px;
  position: relative;
  z-index: 1;
  width: 100%;
}

.hero-text {
  text-align: left;
}

.hero-title {
  font-size: 4rem;
  font-weight: bold;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, var(--text-main) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}

.hero-subtitle {
  font-size: 1.5rem;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  line-height: 1.8;
}

.hero-buttons {
  display: flex;
  gap: 1.5rem;
  justify-content: flex-start;
  flex-wrap: wrap;
}

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

.phone-mockup {
  position: relative;
  width: 100%;
  max-width: 400px;
}

.phone-frame {
  position: relative;
  background: var(--bg-surface);
  border-radius: 40px;
  padding: 12px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5), 0 0 0 1px var(--border);
}

.phone-screen {
  background: var(--bg-primary);
  border-radius: 32px;
  overflow: hidden;
  aspect-ratio: 9 / 19.5;
  position: relative;
}

.app-screenshot {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Placeholder background for when screenshot is not available */
.phone-screen {
  background: linear-gradient(135deg, var(--bg-surface) 0%, var(--bg-primary) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.phone-screen::before {
  content: '📱 Add app-screenshot.png';
  color: var(--text-secondary);
  font-size: 0.9rem;
  text-align: center;
  opacity: 0.4;
  position: absolute;
}

.phone-screen img {
  position: relative;
  z-index: 1;
}

.btn {
  padding: 1rem 2.5rem;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.1rem;
  transition: all 0.3s ease;
  display: inline-block;
  border: 2px solid transparent;
}

.btn-primary {
  background: var(--accent);
  color: var(--bg-primary);
  box-shadow: 0 4px 20px var(--accent-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 30px var(--accent-glow);
}

.btn-secondary {
  background: transparent;
  color: var(--text-main);
  border: 2px solid var(--border);
}

.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

/* Features Section */
.features {
  padding: 100px 0;
  background: var(--bg-surface);
}

.section-title {
  font-size: 3rem;
  text-align: center;
  margin-bottom: 1rem;
  font-weight: bold;
}

.section-subtitle {
  text-align: center;
  color: var(--text-secondary);
  font-size: 1.2rem;
  margin-bottom: 4rem;
}

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

.feature-card {
  background: var(--bg-surface-glass);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2.5rem;
  transition: all 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent);
  box-shadow: 0 8px 30px var(--accent-glow);
}

.feature-icon {
  font-size: 3rem;
  margin-bottom: 1.5rem;
}

.feature-card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--accent);
}

.feature-card p {
  color: var(--text-secondary);
  line-height: 1.8;
}

/* Videos Section */
.videos {
  padding: 100px 0;
  background: var(--bg-primary);
}

.videos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 4rem;
  justify-items: center;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.video-container {
  background: var(--bg-surface);
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--border);
  max-width: 400px;
  width: 100%;
}

.video-placeholder {
  aspect-ratio: 9 / 16;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--bg-surface-glass);
  color: var(--text-secondary);
  text-align: center;
  padding: 2rem;
}

/* Style for actual Loom iframe embeds */
.video-container iframe {
  width: 100%;
  height: 100%;
  aspect-ratio: 9 / 16;
  display: block;
  border: none;
}

.video-placeholder p {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}

.video-placeholder small {
  font-size: 0.9rem;
  opacity: 0.7;
}

/* Download Section */
.download {
  padding: 100px 0;
  background: var(--bg-surface);
  text-align: center;
}

.download-buttons {
  display: flex;
  gap: 2rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 3rem;
}

.download-btn {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 2rem;
  background: var(--bg-surface-glass);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: 12px;
  text-decoration: none;
  color: var(--text-main);
  transition: all 0.3s ease;
  min-width: 200px;
}

.download-btn:hover {
  transform: translateY(-3px);
  border-color: var(--accent);
  box-shadow: 0 6px 25px var(--accent-glow);
}

.download-btn svg {
  width: 40px;
  height: 40px;
  color: var(--accent);
}

.download-btn-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  text-align: left;
}

.download-btn-name {
  font-size: 1.2rem;
  font-weight: bold;
  text-align: left;
}

/* Footer */
.footer {
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  padding: 3rem 0 1.5rem;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
  flex-wrap: wrap;
  gap: 2rem;
}

.footer-brand p {
  color: var(--text-secondary);
  margin-top: 0.5rem;
}

.footer-links {
  display: flex;
  gap: 2rem;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.3s ease;
}

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

.footer-social {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin: 2rem 0;
  padding: 2rem 0;
  border-top: 1px solid var(--border);
}

.footer-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--bg-surface-glass);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  transition: all 0.3s ease;
}

.footer-social a:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: rgba(74, 144, 226, 0.1);
  transform: translateY(-2px);
}

.footer-social a svg {
  width: 20px;
  height: 20px;
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  color: var(--text-secondary);
}

/* Responsive Design */
@media (max-width: 968px) {
  .hero-content {
    grid-template-columns: 1fr;
    gap: 3rem;
    text-align: center;
  }

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

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

  .hero-visual {
    order: -1;
  }

  .phone-mockup {
    max-width: 300px;
    margin: 0 auto;
  }
}

@media (max-width: 768px) {
  .hero-title {
    font-size: 2.5rem;
  }

  .hero-subtitle {
    font-size: 1.2rem;
  }

  .section-title {
    font-size: 2rem;
  }

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

  .videos-grid {
    grid-template-columns: 1fr;
    max-width: 100%;
  }

  .video-container {
    max-width: 100%;
  }

  .nav-links {
    gap: 1rem;
    font-size: 0.9rem;
  }

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

  .footer-social {
    gap: 1rem;
  }
}