body {
  font-family: 'Inter', sans-serif;
  background: linear-gradient(to bottom right, #0F172A, #1E293B);
  color: #e2e8f0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
.navbar {
  background-color: #1a202c;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}
.navbar .nav-link, .navbar .navbar-brand, .navbar .fa-lg {
  color: #e2e8f0 !important;
}
.navbar .nav-link.active {
  color: #22d3ee !important;
}
#mobile-menu-links {
    background-color: #1a202c;
}
#mobile-menu-links a {
    color: #e2e8f0;
}
#mobile-menu-links a:hover {
    background-color: #2d3748;
}
.theme-lang-button {
    background-color: #334155;
    color: #e2e8f0;
}
.theme-lang-button:hover {
    background-color: #475569;
}
#language-dropdown {
    background-color: #1f2937;
}
#language-dropdown a {
    color: #e2e8f0;
}
#language-dropdown a:hover {
    background-color: #2a3442;
}

.text-cyan-400 {
  color: #22d3ee;
}
.border-cyan-400 {
  border-color: #22d3ee;
}
.navbar-brand {
    font-weight: 800;
    font-size: 1.75rem;
}
.text-gradient-switch {
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-image: linear-gradient(to right, #22d3ee, #3b82f6);
}
/* Removed the ::before pseudo-element for the dark overlay */
#hero-section {
  position: relative;
  background-image: url('https://images.unsplash.com/photo-1620000619736-cf7320980e12?q=80&w=2070&auto=format&fit=crop&ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D');
  background-size: cover;
  background-position: center;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 2rem;
}
#hero-section .hero-content {
  position: relative;
  z-index: 2;
  color: white;
  text-align: center;
}
#hero-section .hero-title {
  font-size: 4.5rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1rem;
  text-shadow: 0 4px 6px rgba(0,0,0,0.4);
}
#hero-section .hero-subtitle {
  font-size: 1.5rem;
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: 2.5rem;
  text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}
#hero-section .download-btn-hero {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 2rem;
  background-color: #22d3ee;
  color: #0F172A;
  font-weight: 700;
  border-radius: 0.5rem;
  box-shadow: 0 4px 6px rgba(34, 211, 238, 0.2);
  transition: background-color 0.2s ease-in-out;
}
#hero-section .download-btn-hero:hover {
    background-color: #38bdf8;
}

.feature-section {
  padding: 4rem 0;
  background-color: #1f2937;
}
.feature-image-container {
  border-radius: 0.75rem;
  overflow: hidden;
  box-shadow: 0 10px 15px -3px rgba(0,0,0,0.2), 0 4px 6px -2px rgba(0,0,0,0.1);
}
.feature-card-custom {
  background-color: #0F172A;
  padding: 1.5rem;
  border-radius: 0.5rem;
  box-shadow: 0 4px 6px rgba(0,0,0,0.1);
  margin-bottom: 1.5rem;
  transition: background-color 0.2s ease-in-out;
}
.feature-card-custom:hover {
  background-color: #1a202c;
}
.feature-card-custom h2 {
  font-weight: 700;
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
  color: #e2e8f0;
}
.feature-card-custom p {
  color: #94a3b8;
  font-size: 1rem;
}

.ui-section {
  padding: 4rem 0;
}
.ui-heading h1 {
  font-weight: 700;
  font-size: 3rem;
  margin-bottom: 1rem;
  text-align: center;
  color: #e2e8f0;
}
.ui-heading p {
  font-size: 1.25rem;
  color: #94a3b8;
  text-align: center;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 3rem;
}
.ui-content-block {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  margin-bottom: 4rem;
}
.ui-content-block.reverse {
  flex-direction: row-reverse;
}
.ui-image-container, .ui-video-container {
  flex: 1 1 400px;
  max-width: 50%;
  min-width: 300px;
  padding: 1rem;
  border-radius: 0.75rem;
  overflow: hidden;
  box-shadow: 0 10px 15px -3px rgba(0,0,0,0.2), 0 4px 6px -2px rgba(0,0,0,0.1);
  background-color: #1a202c;
}
.ui-content-block.reverse .ui-image-container, .ui-content-block.reverse .ui-video-container {
    margin-left: 2rem;
    margin-right: 0;
}
.ui-content-block .ui-image-container, .ui-content-block .ui-video-container {
    margin-right: 2rem;
    margin-left: 0;
}

.ui-image-container img, .ui-video-container video {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 0.5rem;
}
.ui-text-content {
  flex: 1 1 400px;
  max-width: 50%;
  min-width: 300px;
  padding: 1rem;
}
.ui-text-content h2 {
  font-weight: 700;
  font-size: 2rem;
  margin-bottom: 1rem;
  color: #e2e8f0;
}
.ui-text-content p {
  font-size: 1.125rem;
  color: #94a3b8;
  line-height: 1.6;
}

@media (max-width: 768px) {
    #hero-section .hero-title {
        font-size: 3rem;
    }
    #hero-section .hero-subtitle {
        font-size: 1.25rem;
    }
    .ui-image-container, .ui-video-container, .ui-text-content {
        max-width: 100%;
        margin: 1rem 0 !important;
        padding: 0;
    }
    .ui-heading h1 {
        font-size: 2.5rem;
    }
    .ui-heading p {
        font-size: 1rem;
    }
}