body {
  font-family: 'Segoe UI', Arial, sans-serif;
  background-color: #FDFBF7;
  color: #2B2B2B;
  margin: 0; 
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

#main {
  transition: margin-left 0.5s;
}

header {
 background-color: #1E3A5F;
 color: #F0F4F8;
 padding: 20px 40px;
 display: flex;
 justify-content: space-between;
 align-items: center;
 position: sticky;
 top: 0;
 z-index: 1000;
}

.logo {
 color: #F0F4F8;
 text-decoration: none;
 font-size: 1.5em;
 font-weight: bold;
}

.hamburger {
 font-size: 1.5em;
 cursor: pointer;
}

.sidebar {
 height: 100%;
 width: 0;
 position: fixed;
 z-index: 999;
 top: 0;
 left: 0;
 background-color: #1E3A5F;
 color: #2B2B2B;
 overflow-x: hidden;
 overflow-y: hidden;
 transition: width 0.5s;
 padding-top: 80px;
}

.sidebar.open ~ #main {
  margin-left: 250px;
}

.sidebar.open {
 width: 250px;
}

.sidebar ul {
 list-style: none;
 padding: 0;
}

.sidebar ul li {
 padding: 15px 25px;
}

.sidebar ul li a {
 color: #B0BEC5;
 text-decoration: none;
 display: block;
}

.sidebar ul li a.active {
 color: #FFFFFF;
 font-weight: bold;
}

.dropdown .dropdown-toggle {
 cursor: pointer;
 color: #B0BEC5;
 display: block;
}

.dropdown-menu {
 display: none;
 padding-left: 15px;
 margin-top: 10px;
}

.dropdown-menu li {
 padding: 8px 0;
}

.dropdown-menu a {
 color: #D0D8DD;
 font-size: 0.95em;
}

.dropdown.open .dropdown-menu {
 display: block;
}

.hero {
 width: 100%;
 padding: 80px 0;
 background-color: #FDFBF7;
 text-align: center;
}

.hero-content h1 {
 font-size: 3em;
 color: #168FDA;
 margin-bottom: 10px;
}

.hero-content p {
 font-size: 1.2em;
 color: #1A1A1A;
 max-width: 700px;
 margin: 0 auto 40px auto;
}

.hero-video {
 width: 100%;
 max-width: 900px;
 margin: 0 auto;
 border-radius: 12px;
 overflow: hidden;
 box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}

.hero-video video {
 width: 100%;
 height: auto;
 display: block;
}

.features {
 padding: 80px 20px;
 background-color: #F7F3EC;
 text-align: center;
}

.features h2 {
 font-size: 2.4em;
 color: #168FDA;
 margin-bottom: 40px;
}

.feature-row {
 display: flex;
 justify-content: center;
 gap: 30px;
 margin-bottom: 40px;
 flex-wrap: wrap;
}

.feature-box {
 background-color: #F5F7FA;
 padding: 25px;
 width: 300px;
 border-radius: 12px;
 box-shadow: 0 4px 15px rgba(0,0,0,0.1);
 transition: transform 0.2s ease;
 border: 2px solid #168FDA;
}

.feature-box:hover {
 transform: translateY(-5px);
}

.feature-box h3 {
 font-size: 1.4em;
 color: #1E3A5F;
 margin-bottom: 10px;
}

.feature-box p {
 font-size: 1em;
 color: #1A1A1A;
 line-height: 1.5em;
}

.process {
 padding: 80px 20px;
 background-color: #FDFBF7;
 text-align: center;
}

.process-list {
 font-size: 1.8em;
 color: #1E3A5F;
 display: flex;
 justify-content: center;
 align-items: center;
 gap: 25px;
 flex-wrap: wrap;
 text-align: center;
}

.process-list .divider {
 color: #168FDA;
 font-weight: 600;
}

.step {
 cursor: pointer;
 transition: color 0.2s ease;
}

.step:hover {
 color: #168FDA;
}

.modal-overlay {
 position: fixed;
 top: 0;
 left: 0;
 width: 100%;
 height: 100%;
 background: rgba(0,0,0,0.4);
 opacity: 0;
 pointer-events: none;
 transition: opacity 0.3s ease;
}

.modal {
 position: fixed;
 top: 50%;
 left: 50%;
 transform: translate(-50%, -50%);
 background: #FFFFFF;
 border-radius: 12px;
 padding: 30px;
 width: 350px;
 max-width: 90%;
 box-shadow: 0 8px 30px rgba(0,0,0,0.2);
 opacity: 0;
 pointer-events: none;
 transition: opacity 0.3s ease;
 text-align: center;
}

.modal.active,
.modal-overlay.active {
 opacity: 1;
 pointer-events: auto;
}

.modal-close {
 position: absolute;
 top: 10px;
 right: 10px;
 background: none;
 border: none;
 font-size: 1.5em;
 cursor: pointer;
 color: #1E3A5F;
}

.modal-button {
 margin-top: 20px;
 padding: 10px 20px;
 background-color: #168FDA;
 color: #FFFFFF;
 border: none;
 border-radius: 6px;
 cursor: pointer;
}

@media (max-width: 600px) {
 .process-list {
  font-size: 1.2em;
  gap: 12px;
 }
}

.use-cases {
 padding: 80px 20px;
 background-color: #F7F3EC;
 text-align: center;
}

.use-cases h2 {
 font-size: 2.4em;
 margin-bottom: 50px;
}

.usecase-grid {
 display: flex;
 justify-content: center;
 gap: 30px;
 flex-wrap: wrap;
}

.usecase-card {
 background-color: #FFFFFF;
 border: 2px solid #168FDA;
 border-radius: 12px;
 width: 300px;
 padding: 20px;
 box-shadow: 0 4px 15px rgba(0,0,0,0.1);
 display: flex;
 flex-direction: column;
 justify-content: space-between;
 transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.usecase-card h3 {
 color: #1E3A5F;
 font-size: 1.4em;
 margin-bottom: 10px;
}

.usecase-card p {
 color: #1A1A1A;
 font-size: 1em;
 line-height: 1.5em;
 margin-bottom: 20px;
}

.usecase-image {
 width: 100%;
 height: 150px;
 background-color: #E3E8EE;
 border-radius: 8px;
 border: 1px dashed #168FDA;
}

.usecase-link {
 text-decoration: none;
 color: inherit;
 display: block;
}

.usecase-card:hover {
 transform: translateY(-6px);
 box-shadow: 0 10px 25px rgba(0,0,0,0.15);
 cursor: pointer;
}

.closing {
 padding: 100px 20px;
 background-color: #FDFBF7;
 text-align: center;
}

.closing h2 {
 font-size: 2.4em;
 color: #168FDA;
 margin-bottom: 20px;
}

.closing p {
 font-size: 1.2em;
 color: #1A1A1A;
}

footer {
  background-color: #E8E3D9;
  color: #2B2B2B;
  padding: 40px 20px;
  text-align: center;
  margin-top: 100px;
}

.footer-content {
  max-width: 800px;
  margin: 0 auto;
}

.contact-info p {
  margin: 8px 0;
}

.social-media a {
  margin: 0 10px;
  color: #168FDA;
  text-decoration: none;
}

.footer-bottom {
  margin-top: 20px;
  font-size: 0.9em;
  color: #E8E3D9;
}