:root {
    --primary-blue: #1E40AF;
    --secondary-blue: #3B82F6;
    --light-blue: #60A5FA;
    --dark-blue: #1E3A8A;
    --accent-orange: #F59E0B;
    
    --bg-primary: #FFFFFF;
    --bg-secondary: #F3F4F6;
    --text-primary: #111827;
    --text-secondary: #6B7280;
    --border-color: #E5E7EB;
    --shadow: rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] {
    --bg-primary: #111827;
    --bg-secondary: #1F2937;
    --text-primary: #F9FAFB;
    --text-secondary: #9CA3AF;
    --border-color: #374151;
    --shadow: rgba(0, 0, 0, 0.3);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background-color: var(--primary-blue);
    color: white;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 8px var(--shadow);
}

.nav-brand {
    font-size: 1.5rem;
    font-weight: bold;
}

.nav-menu {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    color: white;
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 0.25rem;
    transition: background-color 0.3s ease;
}

.nav-link:hover {
    background-color: var(--secondary-blue);
}

.nav-link.active {
    background-color: var(--dark-blue);
}

.hamburger {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: white;
    margin: 3px 0;
    transition: 0.3s;
    border-radius: 3px;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
}

.theme-toggle {
    background: var(--secondary-blue);
    border: none;
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    cursor: pointer;
    font-size: 1.2rem;
    transition: background-color 0.3s ease;
}

.theme-toggle:hover {
    background: var(--light-blue);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

.hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: center;
    margin-bottom: 3rem;
    padding: 2rem 0;
}

.hero-content h1 {
    font-size: 2.5rem;
    color: var(--primary-blue);
    margin-bottom: 1rem;
}

.subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
}

.hero-image img {
    width: 100%;
    height: auto;
    border-radius: 0.5rem;
    box-shadow: 0 4px 12px var(--shadow);
}

.intro {
    text-align: center;
    margin-bottom: 3rem;
    padding: 2rem;
    background-color: var(--bg-secondary);
    border-radius: 0.5rem;
}

.intro h2 {
    color: var(--primary-blue);
    margin-bottom: 1rem;
    font-size: 2rem;
}

.services-overview {
    margin-bottom: 3rem;
}

.services-overview h2 {
    text-align: center;
    color: var(--primary-blue);
    margin-bottom: 2rem;
    font-size: 2rem;
}

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

.service-card {
    background-color: var(--bg-secondary);
    padding: 1.5rem;
    border-radius: 0.5rem;
    text-decoration: none;
    color: var(--text-primary);
    border: 2px solid transparent;
    transition: all 0.3s ease;
}

.service-card:hover {
    border-color: var(--secondary-blue);
    transform: translateY(-4px);
    box-shadow: 0 4px 12px var(--shadow);
}

.service-card h3 {
    color: var(--primary-blue);
    margin-bottom: 0.5rem;
}

.service-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-top: 2rem;
}

.service-image img {
    width: 100%;
    height: auto;
    border-radius: 0.5rem;
    box-shadow: 0 4px 12px var(--shadow);
}

.service-info h1 {
    color: var(--primary-blue);
    margin-bottom: 1rem;
    font-size: 2.5rem;
}

.service-info p {
    margin-bottom: 1.5rem;
    color: var(--text-secondary);
}

.service-features {
    list-style: none;
    margin-bottom: 2rem;
}

.service-features li {
    padding: 0.5rem 0;
    color: var(--text-primary);
}

.service-features li::before {
    content: "✓ ";
    color: var(--secondary-blue);
    font-weight: bold;
    margin-right: 0.5rem;
}

.btn-primary {
    display: inline-block;
    background-color: var(--primary-blue);
    color: white;
    padding: 0.75rem 2rem;
    border-radius: 0.5rem;
    text-decoration: none;
    font-weight: bold;
    transition: background-color 0.3s ease;
}

.btn-primary:hover {
    background-color: var(--secondary-blue);
}

.cta {
    text-align: center;
    padding: 3rem 2rem;
    background-color: var(--bg-secondary);
    border-radius: 0.5rem;
    margin-bottom: 2rem;
}

.cta h2 {
    color: var(--primary-blue);
    margin-bottom: 1rem;
    font-size: 2rem;
}

.cta p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.contact-section {
    margin-top: 2rem;
}

.contact-section h1 {
    color: var(--primary-blue);
    margin-bottom: 1rem;
    font-size: 2.5rem;
}

.contact-intro {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

.contact-info h2 {
    color: var(--primary-blue);
    margin-bottom: 1.5rem;
}

.contact-item {
    margin-bottom: 1.5rem;
}

.contact-item h3 {
    color: var(--secondary-blue);
    margin-bottom: 0.5rem;
}

.contact-item a {
    color: var(--primary-blue);
    text-decoration: none;
}

.contact-item a:hover {
    text-decoration: underline;
}

.contact-image img {
    width: 100%;
    height: auto;
    border-radius: 0.5rem;
    box-shadow: 0 4px 12px var(--shadow);
}

.emergency-notice {
    background-color: var(--accent-orange);
    color: white;
    padding: 2rem;
    border-radius: 0.5rem;
    text-align: center;
}

.emergency-notice h3 {
    margin-bottom: 0.5rem;
}

footer {
    background-color: var(--primary-blue);
    color: white;
    text-align: center;
    padding: 2rem;
    margin-top: 3rem;
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--primary-blue);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        padding: 2rem 0;
        gap: 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-link {
        display: block;
        padding: 1rem;
        width: 100%;
    }
    
    .hero {
        grid-template-columns: 1fr;
    }
    
    .service-detail {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .service-info h1 {
        font-size: 2rem;
    }
}