body {
    margin: 0;
    font-family: 'Segoe UI', Arial, sans-serif;
    background: #0a0a0f;
    color: #e0e0e0;
}

.header {
    background: #0f0f15;
    border-bottom: 2px solid #00eaff;
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 22px;
    font-weight: bold;
    color: #00eaff;
    letter-spacing: 1px;
}

nav a {
    color: #e0e0e0;
    margin-left: 20px;
    text-decoration: none;
    font-size: 16px;
    transition: 0.3s;
}

nav a:hover {
    color: #00eaff;
}

.hero {
    background: url('robotics.jpg') center/cover no-repeat;
    position: relative;
    padding: 140px 40px;
    text-align: center;
    color: #fff;
}

.hero .overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.55);
}

.hero h1 {
    position: relative;
    font-size: 48px;
    text-shadow: 0 0 20px #00eaff;
}

.hero p {
    position: relative;
    font-size: 22px;
    margin-bottom: 20px;
}

.cta {
    position: relative;
    background: #00eaff;
    padding: 14px 28px;
    color: #000;
    text-decoration: none;
    border-radius: 4px;
    font-weight: bold;
    transition: 0.3s;
}

.cta:hover {
    background: #00aacc;
}

.intro {
    padding: 40px;
    text-align: center;
}

.grid {
    display: flex;
    justify-content: center;
    gap: 30px;
    padding: 40px;
    flex-wrap: wrap;
}

.card {
    background: #111118;
    padding: 25px;
    width: 300px;
    border-radius: 6px;
    box-shadow: 0 0 15px rgba(0, 234, 255, 0.2);
    transition: 0.3s;
}

.card:hover {
    transform: translateY(-6px);
    box-shadow: 0 0 25px rgba(0, 234, 255, 0.4);
}

.card h3 {
    color: #00eaff;
}

footer {
    background: #0f0f15;
    color: #888;
    text-align: center;
    padding: 20px;
    border-top: 2px solid #00eaff;
}
