/* Use Google Font */
@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@400;700&display=swap');

body {
    margin: 0;
    font-family: 'Roboto', sans-serif;
    line-height: 1.7;
    color: #333;
    background: #f5f9fc;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #0066cc;
    padding: 15px 40px;
    color: #fff;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

header .logo {
    height: 60px;
}

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

nav li {
    margin-left: 30px;
}

nav a {
    color: #fff;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

nav a:hover {
    color: #ffd700;
}

.hero {
    position: relative;
    text-align: center;
    color: #fff;
    background: linear-gradient(rgba(0, 102, 204, 0.6), rgba(0, 102, 204, 0.6));
}

.hero-image {
    width: 100%;
    height: 400px;
    object-fit: cover;
    opacity: 0.85;
}

.hero h1 {
    position: absolute;
    top: 40%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 3em;
    text-shadow: 2px 2px 8px rgba(0,0,0,0.4);
}

.hero p {
    position: absolute;
    top: 60%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 1.4em;
    text-shadow: 1px 1px 5px rgba(0,0,0,0.3);
}

section {
    background: #fff;
    margin: 50px auto;
    padding: 40px;
    max-width: 1000px;
    border-radius: 12px;
    box-shadow: 0 8px 20px rgba(0,0,0,0.05);
}

h2 {
    color: #0066cc;
    margin-bottom: 20px;
    font-size: 2em;
}

.images-row {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-top: 20px;
}

.images-row img, .tech-image {
    width: 100%;
    max-width: 48%;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.images-row img:hover, .tech-image:hover {
    transform: scale(1.03);
}

footer {
    background: #0066cc;
    color: #fff;
    text-align: center;
    padding: 30px 20px;
    margin-top: 50px;
}

a {
    color: #0066cc;
}

a:hover {
    text-decoration: underline;
}

@media (max-width: 768px) {
    nav ul {
        flex-direction: column;
        align-items: flex-start;
    }
    nav li {
        margin: 10px 0 0 0;
    }
    .images-row img, .tech-image {
        max-width: 100%;
    }
    .hero-image {
        height: 250px;
    }
    .hero h1 {
        font-size: 2em;
    }
    .hero p {
        font-size: 1em;
    }
}