/* General Styles */
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background: #f4f4f4;
    color: #333;
}

.container {
    width: 80%;
    margin: auto;
    overflow: hidden;
}

/* Header */
header {
    background: #333;
    color: #fff;
    padding-top: 30px;
    min-height: 70px;
    border-bottom: #0779e4 3px solid;
}

header a {
    color: #fff;
    text-decoration: none;
    text-transform: uppercase;
    font-size: 16px;
}

header ul {
    padding: 0;
    margin: 0;
    list-style: none;
    float: right;
}

header li {
    display: inline;
    padding: 0 20px 0 20px;
}

header h1 {
    float: left;
    margin-top: 0;
}

/* Hero Section */
#hero {
    min-height: 400px;
    background: #333 url('https://images.unsplash.com/photo-1517694712202-14dd9538aa97?ixlib=rb-1.2.1&auto=format&fit=crop&w=1350&q=80') no-repeat center center/cover;
    color: #fff;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
}

#hero h2 {
    font-size: 50px;
    margin-top: 0;
}

/* Sections */
section {
    padding: 40px 0;
}

section h2 {
    text-align: center;
    margin-bottom: 20px;
}

/* Services */
.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.service {
    background: #fff;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

/* Contact */
#contact {
    text-align: center;
}

.btn {
    display: inline-block;
    background: #0779e4;
    color: #fff;
    padding: 10px 20px;
    text-decoration: none;
    border-radius: 5px;
    margin-top: 20px;
}

/* Footer */
footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 30px 0;
}

/* Responsive */
@media(max-width: 768px){
    header h1,
    header nav,
    header nav ul {
        float: none;
        text-align: center;
        width: 100%;
    }

    header nav ul li {
        display: block;
        padding: 10px 0;
    }

    #hero h2 {
        font-size: 30px;
    }
}