.gauge{font-family:"Helvetica Neue", helvetica, sans-serif}
.gauge{fill:transparent;stroke:#ffffff;stroke-width:1px}
.gauge .text{font-size:36px; fill:#ffffff;stroke:none;}
.gauge .text-small{font-size:12px;}
.gauge .needle{fill:#33A0C9;stroke:#0088BB;}
.gauge .ticks{fill:#ffffff;stroke:none;}
.gauge .ticks .minor-ticks{font-size:12px;}

/*-- Line --*/
.c3-line {stroke-width: 2px; }

.wind-2 {
	stroke:none;
	fill:rgba(0,136,187,0.7);
}

.wind-10 {
	stroke:none;
	fill:rgba(0,136,187,0.5);
}

aside {
  width: 280px;
  background-color: #f8f9fa;
  height: 100vh;
  top: 0;
  left: 0;
  margin-left: 3em;
  overflow-y: auto;
}
/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f5f5f5;
}

/* Navbar Styles */
.navbar {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand a {
    color: white;
    text-decoration: none;
    font-size: 1.5rem;
    font-weight: bold;
    padding: 1rem 0;
    display: block;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: white;
    margin: 3px 0;
    transition: all 0.3s ease;
    border-radius: 3px;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

.nav-menu {
    display: flex;
    list-style: none;
.submenu-link:hover {
    gap: 0.25rem;
    align-items: center;
}

.nav-item {
    position: relative;
}

.nav-item.has-submenu {
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    padding: 0.75rem 1.25rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    font-weight: 500;
    white-space: nowrap;
}

.nav-link:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: white;
}

.nav-link.active {
    background-color: rgba(255, 255, 255, 0.2);
    color: white;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

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

.dropdown-arrow {
    font-size: 0.7rem;
    margin-left: 0.25rem;
    transition: transform 0.3s ease;
}

/* Submenu Styles */
.submenu {
    position: absolute;
    top: 100%;
    left: 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-width: 220px;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    list-style: none;
    padding: 0.5rem 0;
    margin-top: 0.5rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1000;
}

.nav-item.has-submenu:hover .submenu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.nav-item.has-submenu:hover .dropdown-arrow {
    transform: rotate(180deg);
}

.submenu-item {
    margin: 0;
}

.submenu-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.25rem;
    color: #333;
    text-decoration: none;
    transition: all 0.2s ease;
}

.submenu-link:hover {
    background-color: #f5f5f5;
    color: #667eea;
}

.submenu-link.active {
    background-color: #e8ebfa;
    color: #667eea;
    font-weight: 600;
}

.submenu-link .nav-icon {
    font-size: 1.1rem;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 20px;
    min-height: calc(100vh - 200px);
}

/* Page Header */
.page-header {
    text-align: center;
    margin-bottom: 3rem;
    padding: 2rem 0;
}

.page-header h1 {
    font-size: 2.5rem;
    color: #667eea;
    margin-bottom: 0.5rem;
}

.subtitle {
    font-size: 1.2rem;
    color: #666;
}

/* Content Section */
.content-section {
    background: white;
    padding: 2rem;
    margin-bottom: 2rem;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.content-section h2 {
    color: #667eea;
    margin-bottom: 1rem;
}

.content-section p {
    margin-bottom: 1rem;
    line-height: 1.8;
}

.content-section ul {
    margin-left: 2rem;
    margin-bottom: 1rem;
}

.content-section li {
    margin-bottom: 0.5rem;
}

.content-section code {
    background-color: #f4f4f4;
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
}

/* Feature Cards */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.feature-card {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    padding: 1.5rem;
    border-radius: 10px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.feature-card h3 {
    color: #667eea;
    margin-bottom: 0.75rem;
}

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.service-card {
    background: white;
    padding: 2rem;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    transition: all 0.3s ease;
}

.service-card:hover {
    border-color: #667eea;
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(102, 126, 234, 0.1);
}

.service-card h3 {
    color: #667eea;
    margin-bottom: 0.75rem;
}

/* Contact Page */
.contact-info {
    margin-bottom: 2rem;
}

.contact-info p {
    margin-bottom: 0.75rem;
}

.contact-form {
    max-width: 600px;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: #333;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #667eea;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 0.75rem 2rem;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.3);
}

/* Tech Grid */
.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.tech-item {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    text-align: center;
    font-weight: 600;
    transition: transform 0.3s ease;
}

.tech-item:hover {
    transform: translateY(-3px);
}

/* Blog Posts */
.blog-post {
    padding: 1.5rem 0;
    border-bottom: 1px solid #e0e0e0;
}

.blog-post:last-child {
    border-bottom: none;
}

.blog-post h3 {
    color: #667eea;
    margin-bottom: 0.5rem;
}

.post-meta {
    color: #888;
    font-size: 0.9rem;
    margin-bottom: 0.75rem;
}

/* FAQ Items */
.faq-item {
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid #e0e0e0;
}

.faq-item:last-child {
    border-bottom: none;
}

.faq-item h3 {
    color: #667eea;
    margin-bottom: 0.75rem;
}

/* Footer */
.footer {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 2rem;
    margin-top: 3rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        flex-direction: column;
        gap: 0;
        padding: 1rem 0;
        max-height: 0;
        overflow: hidden;
        opacity: 0;
        transition: all 0.3s ease;
    }
    
    .nav-menu.active {
        max-height: 600px;
        opacity: 1;
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    }
    
    .nav-item {
        width: 100%;
    }
    
    .nav-link {
        justify-content: space-between;
        padding: 1rem 1.5rem;
        border-radius: 0;
    }
    
    /* Mobile Submenu */
    .submenu {
        position: static;
        background: rgba(255, 255, 255, 0.1);
        margin: 0;
        padding: 0;
        border-radius: 0;
        box-shadow: none;
        transform: none;
        max-height: 0;
        overflow: hidden;
    }
    
    .nav-item.has-submenu:hover .submenu {
        max-height: none;
    }
    
    /* Mobile submenu toggle via click */
    .nav-item.has-submenu .submenu {
        opacity: 1;
        visibility: visible;
    }
    
    .nav-item.has-submenu:focus-within .submenu,
    .nav-item.has-submenu:active .submenu {
        max-height: 500px;
    }
    
    .submenu-link {
        color: rgba(255, 255, 255, 0.9);
        padding: 0.75rem 2.5rem;
    }
    
    .submenu-link:hover {
        background-color: rgba(255, 255, 255, 0.1);
        color: white;
    }
    
    .submenu-link.active {
        background-color: rgba(255, 255, 255, 0.2);
        color: white;
    }
    
    .page-header h1 {
        font-size: 2rem;
    }
    
    .features-grid,
    .services-grid {
        grid-template-columns: 1fr;
    }
}