/* Basic Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body, html {
    height: 100%;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

/* Container */
.container {
    max-width: 1200px;
    margin: auto;
    padding: 0 20px;
    width: 100%;
    height: 100%;
}

/* Navigation */
nav {
    background: #333;
    color: #fff;
    padding: 10px 0;
    text-align: center;
    position: fixed;
    width: 100%;
    z-index: 1000;
}

nav a {
    color: #fff;
    margin: 0 15px;
    text-transform: uppercase;
    font-size: 16px;
}

/* Header */
header {
    background: url('images/hero-banner.jpg') no-repeat center center/cover;
    color: #fff;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.header-content {
    background: rgba(0, 0, 0, 0.6);
    padding: 20px;
}

.btn {
    background: #007bff;
    color: #fff;
    padding: 10px 30px;
    border-radius: 5px;
    margin-top: 20px;
}

/* About Us */
section {
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.about-image {
    width: 100%;
    max-width: 400px;
    height: auto;
    margin-right: 20px;
}

/* Footer */
footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 20px 0;
}

/* Responsive Design */
@media screen and (max-width: 768px) {
    .header-content, .about-image, .btn {
        display: block;
        margin: auto;
    }

    .about-image {
        float: none;
        margin: 0 auto 20px;
    }

    nav {
        padding: 10px 0;
    }
}