/* Basic Style for Kouya Robotics */
body {
    font-family: "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    color: #333;
    background-color: #f0f2f5;
}

header {
    background-color: #002b5c; /* Darker Blue for Tech feel */
    color: #fff;
    padding: 20px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

header h1 {
    margin: 0;
    font-size: 1.5rem;
}

header a {
    color: #fff;
    text-decoration: none;
}

nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
}

nav ul li {
    margin-left: 20px;
}

nav a {
    font-weight: bold;
    font-size: 0.9rem;
}

nav a:hover {
    color: #b3d7ff;
}

main {
    max-width: 1100px;
    margin: 40px auto;
    padding: 0 20px;
}

section {
    margin-bottom: 40px;
    background: #fff;
    padding: 40px;
    border-radius: 4px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.hero {
    background: linear-gradient(135deg, #002b5c 0%, #0056b3 100%);
    color: #fff;
    text-align: center;
    padding: 60px 20px;
    border-radius: 4px;
    margin-bottom: 40px;
}

.hero h2 {
    color: #fff;
    border: none;
    font-size: 2.5rem;
    margin-bottom: 20px;
}

h2 {
    border-bottom: 2px solid #0056b3;
    padding-bottom: 10px;
    margin-top: 0;
    color: #002b5c;
}

h3 {
    margin-top: 30px;
    color: #004494;
}

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

.service-card {
    border: 1px solid #e0e0e0;
    padding: 20px;
    border-radius: 4px;
    background: #fdfdfd;
}

.service-card h3 {
    margin-top: 0;
}

footer {
    background-color: #1a1a1a;
    color: #fff;
    text-align: center;
    padding: 40px 20px;
    margin-top: 60px;
}

footer a {
    color: #aaa;
    text-decoration: none;
}

footer a:hover {
    color: #fff;
}

.btn {
    display: inline-block;
    background-color: #0056b3;
    color: #fff;
    padding: 10px 25px;
    border-radius: 4px;
    text-decoration: none;
    margin-top: 15px;
    transition: background-color 0.3s;
}

.btn:hover {
    background-color: #003d80;
}

/* Breadcrumb if needed */
.breadcrumb {
    margin-bottom: 20px;
    font-size: 0.9rem;
    color: #666;
}
.breadcrumb a {
    color: #0056b3;
    text-decoration: none;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    header {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    nav {
        margin-top: 20px;
        width: 100%;
    }

    nav ul {
        flex-wrap: wrap;
        justify-content: center;
    }

    nav ul li {
        margin: 5px 10px;
    }

    .hero h2 {
        font-size: 1.8rem;
    }
    
    section {
        padding: 20px;
    }
}