:root {
   --teal-primary: #20c997;
   --dark-blue: #212529;
   --light-bg: #f8f9fa;
   --dark-bg: #212529;
   --glass-bg: rgba(255, 255, 255, 0.1);
   --glass-border: rgba(255, 255, 255, 0.2);
}

body {
   font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
   overflow-x: hidden;
}

.navbar-brand {
   display: flex;
   align-items: center;
}

/* Hero Section */
#hero {
   height: 80vh;
   background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
   color: white;
   position: relative;
   overflow: hidden;
   display: flex;
   align-items: center;
   justify-content: center;
   text-align: center;
}

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

.hero-title {
   font-size: 3.5rem;
   font-weight: 700;
   margin-bottom: 1rem;
}

.hero-subtitle {
   font-size: 1.5rem;
   margin-bottom: 2rem;
   opacity: 0.9;
}

.hero-illustration {
   position: absolute;
   width: 10%;
   height: 100%;
   top: 0;
   left: 0;
   background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="20" cy="20" r="2" fill="white" opacity="0.5"/><circle cx="50" cy="30" r="2" fill="white" opacity="0.5"/><circle cx="80" cy="20" r="2" fill="white" opacity="0.5"/><circle cx="30" cy="60" r="2" fill="white" opacity="0.5"/><circle cx="70" cy="70" r="2" fill="white" opacity="0.5"/><line x1="20" y1="20" x2="50" y2="30" stroke="white" opacity="0.3"/><line x1="50" y1="30" x2="80" y2="20" stroke="white" opacity="0.3"/><line x1="20" y1="20" x2="30" y2="60" stroke="white" opacity="0.3"/><line x1="80" y1="20" x2="70" y2="70" stroke="white" opacity="0.3"/></svg>') center/cover no-repeat;
}

.floating-device {
   position: absolute;
   animation: float 6s ease-in-out infinite;
   font-size: 2rem;
   opacity: 0.8;
   z-index: 1;
}

@keyframes float {
   0% { transform: translateY(0px); }
   50% { transform: translateY(-20px); }
   100% { transform: translateY(0px); }
}

/* Animation for floating devices with different delays */
.floating-device:nth-child(1) {
   animation-delay: 0s;
}

.floating-device:nth-child(2) {
   animation-delay: 1s;
}

/* Value Propositions */
.value-proposition {
   padding: 3rem 0;
   text-align: center;
}

.value-card {
   background: white;
   border-radius: 10px;
   padding: 2rem 1.5rem;
   box-shadow: 0 5px 15px rgba(0,0,0,0.05);
   transition: transform 0.3s ease, box-shadow 0.3s ease;
   height: 100%;
}

.value-card:hover {
   transform: translateY(-10px);
   box-shadow: 0 15px 30px rgba(0,0,0,0.1);
}

/* Add the value-card class to value proposition items */
.value-prop-item {
   height: 100%;
}

/* Feature Sections */
.feature-section:nth-child(even) {
   background-color: var(--light-bg);
}

.feature-content {
   display: flex;
   align-items: center;
   gap: 3rem;
}

.feature-image {
    flex: 1;
    text-align: center;
}

@media (max-width: 768px) {
    .feature-image {
        display: none;
    }
    
    .feature-content {
        flex-direction: column !important;
    }
    
    .feature-text {
        width: 100%;
    }
}

.feature-text {
   flex: 1;
}

.feature-list {
   list-style: none;
   padding: 0;
}

.feature-list li {
   margin-bottom: 1rem;
   display: flex;
   align-items: flex-start;
   gap: 0.5rem;
}

.feature-list li::before {
   content: "✓";
   color: var(--teal-primary);
   font-weight: bold;
   display: inline-block;
   width: 20px;
}

/* Architecture Diagram */
.architecture-diagram {
   padding: 6rem 0;
   background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
   color: white;
}

.architecture-steps {
   display: flex;
   flex-direction: row;
   gap: 2rem;
   align-items: stretch;
}

.architecture-step {
   background: var(--glass-bg);
   border: 1px solid var(--glass-border);
   border-radius: 10px;
   padding: 1.5rem;
   backdrop-filter: blur(10px);
   transition: transform 0.3s ease, box-shadow 0.3s ease;
   flex: 1;
}

.architecture-step:hover {
   transform: translateY(-10px);
   box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

@media (max-width: 768px) {
   .architecture-steps {
      flex-direction: column;
   }
   
   .architecture-step {
      margin-bottom: 1rem;
   }
}

/* Benefits Table */
.benefits-table {
   padding: 6rem 0;
}

/* Use Cases */
.use-cases {
   padding: 6rem 0 0;
   background-color: var(--light-bg);
}

.use-case-card {
   height: 100%;
   transition: transform 0.3s ease, box-shadow 0.3s ease;
   background: white;
   border: none;
   border-radius: 10px;
   box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.use-case-card:hover {
   transform: translateY(-10px);
   box-shadow: 0 15px 30px rgba(0,0,0,0.1);
}

/* CTA Cards */
.cta-cards {
   padding: 6rem 0 0;
}

.cta-card {
   border-radius: 15px;
   padding: 2rem;
   backdrop-filter: blur(10px);
   height: 100%;
   transition: transform 0.3s ease;
}

.cta-card:hover {
   transform: translateY(-10px);
}

/* Competitive Advantages */
.competitive-advantages {
   padding: 6rem 0;
   background: linear-gradient(to right, #f8f9fa, #e9ecef);
}

.competitive-advantage-item {
   animation: fadeInUp 0.6s ease forwards;
   opacity: 0;
}

.competitive-advantage-item:nth-child(1) { animation-delay: 0.1s; }
.competitive-advantage-item:nth-child(2) { animation-delay: 0.2s; }
.competitive-advantage-item:nth-child(3) { animation-delay: 0.3s; }
.competitive-advantage-item:nth-child(4) { animation-delay: 0.4s; }
.competitive-advantage-item:nth-child(5) { animation-delay: 0.5s; }

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

.advantage-item {
   margin-bottom: 1.5rem;
   display: flex;
   align-items: center;
   gap: 1rem;
}

.advantage-check {
   font-size: 2rem;
   color: var(--teal-primary);
}

/* Final CTA */
.final-cta {
   padding: 6rem 0;
   background: var(--dark-bg);
   color: white;
   text-align: center;
}

.cta-buttons {
   display: flex;
   justify-content: center;
   gap: 1rem;
   flex-wrap: wrap;
   margin-top: 2rem;
}

.btn-teal {
   background-color: var(--teal-primary);
   border-color: var(--teal-primary);
   color: white;
}

.btn-teal:hover {
   background-color: #1aa179;
   border-color: #1aa179;
   color: white;
}

.btn-outline-light {
   border-color: white;
   color: white;
}

.btn-outline-light:hover {
   background-color: white;
   color: var(--dark-bg);
}

/* Footer */
.site-footer {
   background-color: var(--dark-bg);
   color: white;
   padding: 4rem 0 2rem;
}

.footer-logo {
   font-size: 1.5rem;
   font-weight: bold;
   margin-bottom: 1rem;
}

.footer-links h5 {
   color: white;
   margin-bottom: 1.5rem;
}

.social-links a {
   color: white;
   margin-right: 1rem;
   font-size: 1.5rem;
}

.social-links a:hover {
   color: var(--teal-primary);
}

/* Responsive adjustments */
@media (max-width: 768px) {
   .hero-title {
         font-size: 2.5rem;
   }
   
   .hero-subtitle {
         font-size: 1.2rem;
   }
   
   .feature-content {
         flex-direction: column;
   }
   
   .cta-buttons {
         flex-direction: column;
         align-items: center;
   }
}

/* Animation classes */
.fade-in {
   opacity: 0;
   transform: translateY(30px);
   transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Competitive Advantages Icons */
.competitive-advantages .advantage-icon {
    min-width: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Styles for SVG icons in use cases cards */
.use-case-card .card-body img {
    width: 3rem;
    height: 3rem;
    fill: var(--teal-primary);
}

/* Styles for SVG icons in CTA cards */
.cta-card img {
    width: 3rem;
    height: 3rem;
    fill: var(--teal-primary);
}

/* Styles for SVG icons in competitive advantages */
.competitive-advantages .advantage-icon img {
    width: 3rem;
    height: 3rem;
    fill: var(--teal-primary);
    margin-top: -20px;
}

/* Styles for SVG icons in competitive advantages with different sizes */
.competitive-advantages .advantage-icon img[style*="2.7rem"] {
    width: 2.7rem;
    height: 2.7rem;
}

.competitive-advantages .advantage-icon img[style*="2.6rem"] {
    width: 2.6rem;
    height: 2.6rem;
}

/* Styles for dark mode toggle icon */
#darkModeToggle img {
   width: 16px;
   height: 16px;
   fill: var(--teal-primary);
   margin-top: -4px;
}

/* Styles for value proposition icons */
.value-icon img {
   width: 3rem;
   height: 3rem;
   margin-bottom: 1rem;
   fill: var(--teal-primary);
}