:root {
    --color-white : #FFF;
    --color-black : #000;
    --color-yellow : #FFBE2B;
    --color-gray : #384552;
}

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

html { 
    font-size: 62.5%; 
}

body { 
    background-color: var(--color-white);
    color: var(--color-black);
    font-size: 1.6rem;
    font-family: Verdana, Arial, sans-serif;
}

.header, 
.footer {
    position: fixed;
    left: 0;
    right: 0;
}

.header {
    top: 0;
    z-index: 10;

    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;

    padding: 2rem;

    background-color: var(--color-yellow);
}

.footer {
    bottom: 0;

    padding: 1rem;

    background-color: var(--color-gray);

    text-align: center;
    font-size: 1.2rem;
    color: var(--color-white);
}

.logo {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;

    margin-right: 2rem;
    padding: 1rem;
    
    width: 6rem;
    height: 6rem;
    
    border-radius: 100%;
    background-color: var(--color-white);
}

.logo img {
    display: block;
    width: 100%;
    height: auto;
}

main {
    margin: 0 auto;
    padding: 15rem 5rem 10rem 5rem; 
    max-width: 100rem;
}

h1 { 
    font-size: 2rem;
    font-weight: bold;
}

p {
    line-height: 1.6;
}

.ww-video-container {
    position: relative;
}

.ww-video-item {
    display: block;
    width: 100%;
}

.ww-video-credit {
    background-color: var(--color-black);
    color: var(--color-white);
}

.ww-video-credit p {
    padding: 1rem;
    font-size: 1rem;
    text-align: right;
}

.c-hide-show {
    padding: 2rem;
    background-color: rgba(56, 69, 82, 0.2);
}

.c-hide-show--button {
    appearance: none;

    display: inline-block;
    padding: 1rem 1.4rem;

    border: 0;

    background-color: var(--color-black);
    color: var(--color-white);
    font-weight: bold;

    cursor: pointer;
}

.c-hide-show--button:hover,
.c-hide-show--button:focus {
    background-color: var(--color-white);
    color: var(--color-black);
}

.c-hide-show--button:focus {
    outline: 0.2rem dashed var(--color-black);
    outline-offset: 0.4rem;
}

.c-hide-show--desc {
    padding: 2rem;
    background-color: rgba(56, 69, 82, 0.2);
}

.c-hide-show--desc p + p {
    margin-top: 1rem;
}