/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: #111827;
    color: white;
    line-height: 1.5;
}

/* Navigation */
.nav {
    background-color: #1F2937;
    padding: 1rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: #3894DB;
}

.nav-links {
    display: none;
}

.nav-links a {
    color: #9CA3AF;
    text-decoration: none;
    padding: 0.5rem 1rem;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: #3894DB;
}

.mobile-menu-btn {
    display: block;
    background: none;
    border: none;
    color: #9CA3AF;
    cursor: pointer;
    padding: 0.5rem;
    font-size: 1rem;
}

/* Hero section */
.hero {
    text-align: center;
    padding: 4rem 1rem;
    background-color: #3894DB;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
}

.cta-button {
    display: inline-block;
    background-color: white;
    color: #3894DB;
    padding: 0.75rem 2rem;
    border-radius: 0.5rem;
    text-decoration: none;
    font-weight: 600;
    transition: background-color 0.3s;
}

.cta-button:hover {
    background-color: #F3F4F6;
}

/* Services section */
.services {
    max-width: 1280px;
    margin: 0 auto;
    padding: 4rem 1rem;
}

.section-title {
    font-size: 1.875rem;
    text-align: center;
    margin-bottom: 3rem;
}

.services-grid {
    display: grid;
    gap: 2rem;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.service-card {
    background-color: #1F2937;
    padding: 1.5rem;
    border-radius: 0.5rem;
    transition: transform 0.3s;
}

.service-card:hover {
    transform: translateY(-5px);
}

.service-title {
    color: #3894DB;
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.service-price {
    font-size: 1.5rem;
    font-weight: bold;
    margin: 1rem 0;
}

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

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

.feature-list li:before {
    content: "•";
    color: #3894DB;
    margin-right: 0.5rem;
}

/* Why Choose Us section */
.why-us {
    background-color: #1F2937;
    padding: 4rem 1rem;
}

.why-us-grid {
    max-width: 1280px;
    margin: 0 auto;
    display: grid;
    gap: 2rem;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.why-us-card {
    background-color: #111827;
    padding: 1.5rem;
    border-radius: 0.5rem;
}

/* Contact section */
.contact {
    max-width: 1280px;
    margin: 0 auto;
    padding: 4rem 1rem;
}

.contact-grid {
    display: grid;
    gap: 2rem;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.contact-card {
    background-color: #1F2937;
    padding: 1.5rem;
    border-radius: 0.5rem;
}

.contact-link {
    color: white;
    text-decoration: none;
    transition: color 0.3s;
}

.contact-link:hover {
    color: #3894DB;
}

.subtle-text {
    font-size: 0.875rem;
    color: #9CA3AF;
    margin-top: 0.5rem;
}

/* Footer */
.footer {
    background-color: #1F2937;
    padding: 2rem 1rem;
    text-align: center;
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: #3894DB;
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    text-decoration: none;
    opacity: 0;
    transition: opacity 0.3s;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
    cursor: pointer;
    border: none;
    font-size: 1.2rem;
}

.back-to-top.visible {
    opacity: 1;
}

.back-to-top:hover {
    background-color: #2d7ab8;
}

/* Responsive design */
@media (min-width: 768px) {
    .nav-links {
        display: flex;
    }

    .mobile-menu-btn {
        display: none;
    }

    .hero h1 {
        font-size: 3.75rem;
    }
}