:root {
    --black: #000000;
    --gray: #cccccc;
    --white: #ffffff;
    --modal-color: rgba(0, 0, 0, 0.9);
    --gallery-gap: 1.5em;
    --container-padding: 1.5em;
    --container-width: 1920px;
}

* {
    &,
    &::before,
    &::after {
        box-sizing: border-box;
    }
}

/* ==================================================
  Typography
================================================== */
body {
    font-family: "Nunito", sans-serif;
    font-size: 20px;
}

h1, h2, h3, h4, h5, h6 {
    font-family: "Josefin", sans-serif;
    font-weight: 400;
}

.caption-text {
    font-size: 1.3rem;
}

.text-center {
    text-align: center;
}

/* ==================================================
  Layout
================================================== */
figure {
    border: 1px solid var(--gray);
    max-width: 600px;
    margin: 1rem auto;
}

figcaption {
    padding: 1rem 0;
}

footer { 
    background-color: var(--black);
    color: var(--white);
}

.gallery {
    display: flex;
    flex-wrap: wrap;
    gap: var(--gallery-gap);
}

.page-container, footer p {
    padding: var(--container-padding);
    max-width: var(--container-width);
    margin: 0 auto;
}

/* ==================================================
  Modal
================================================== */
.modal {
    background-color: var(--modal-color);
    display: none;
    justify-content: center;
    align-items: center;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
}

.modal img {
    max-width: 80%;
    max-height: 80%;
    transition: all 0.3s ease;
}

.modal .close {
    position: absolute;
    top: 30px;
    right: 30px;
    color: var(--white);
    font-size: 2em;
    cursor: pointer;
    transition: color 0.3s ease;
}

.modal .close:hover {
    color: var(--gray);
}