Full Screen Image Hero

<!DOCTYPE html>
<title>My Example</title>

<style>
    :root {
        /* 
            Demonstration image from Unsplash by Paul Gilmore. 
            For best results, replace this URL with your own high-quality background image.
        */
        --fsi-bg-image: url('https://images.unsplash.com/photo-1519681393784-d120267933ba?q=80&w=1400');
        --fsi-min-height: 100vh;
        --fsi-padding: 2rem 1.5rem;
        --fsi-text-color: #ffffff;
        --fsi-overlay-color: rgba(0, 0, 0, 0.4);
        --fsi-cta-border-color: #ffffff;
    }
    .fsi-hero {
        box-sizing: border-box;
        font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol';
        position: relative;
        width: 100%;
        min-height: var(--fsi-min-height);
        padding: var(--fsi-padding);
        
        display: flex;
        justify-content: center;
        align-items: center;
        text-align: center;

background-image: var(--fsi-bg-image);
        background-attachment: fixed;
        background-size: cover;
        background-position: center;
    }
    .fsi-hero::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background-color: var(--fsi-overlay-color);
        z-index: 1;
    }
    .fsi-hero * {
         box-sizing: border-box;
    }
    .fsi-hero-content {
        position: relative;
        z-index: 2;
        max-width: 700px;
    }
    .fsi-hero-title {
        color: var(--fsi-text-color);
        margin: 0 0 0.5rem 0;
        font-size: clamp(3rem, 8vw, 5.5rem);
        font-weight: 700;
        line-height: 1.1;
    }
    .fsi-hero-tagline {
        color: var(--fsi-text-color);
        margin: 0 0 2.5rem 0;
        font-size: clamp(1.2rem, 3vw, 1.5rem);
        opacity: 0.9;
        font-weight: 300;
        letter-spacing: 1px;
    }
    .fsi-hero-cta {
        display: inline-block;
        background: transparent;
        color: var(--fsi-text-color);
        border: 2px solid var(--fsi-cta-border-color);
        padding: 0.8rem 2.2rem;
        font-size: 1rem;
        font-weight: 600;
        text-decoration: none;
        cursor: pointer;
        transition: background-color 0.3s ease, color 0.3s ease;
        text-transform: uppercase;
    }
    .fsi-hero-cta:hover {
        background-color: var(--fsi-cta-border-color);
        color: #000000;
    }
</style>

<section class="fsi-hero">
    <div class="fsi-hero-content">
        <h1 class="fsi-hero-title">Elara Vance</h1>
        <p class="fsi-hero-tagline">Visual Artist & Designer</p>
        <a href="#" role="button" class="fsi-hero-cta">View My Work</a>
    </div>
</section>