* {
    box-sizing: border-box;
}

:root {
    --background-primary: #7c009b;
    --background-secondary: #530068;
    --text: #ffffff;

    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    margin: 0px;
    background-color: var(--background-primary);
}

.hero {
    display: flex;
    align-items: center;
    background-color: var(--background-primary);
    margin-bottom: 20px;
}

.hero-text {
    flex-basis: 50%;
    padding: 10px;
}

.hero-img {
    flex-basis: 50%;
    text-align: right;
}

.photo-wall {
    display: grid;
    grid-template-columns: 1fr;
    gap: 15px;
    margin: 15px;

    img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        border: 2px solid var(--background-secondary);
        border-radius: 10px;
    }
}

@media (min-width: 600px) {
    .photo-wall {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 900px) {
    .photo-wall {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 1200px) {
    .photo-wall {
        grid-template-columns: repeat(4, 1fr);
    }
}

footer {
    height: 100px;
    padding-top: 15px;
    margin-top: 10px;
    background-color: lightgray;
    color: black;

    text-align: center;
}