body {
    width: 100vw;
    height: 100vh;
    margin: 0;
    padding: 0;
    background-color: #e0dad5;
    perspective: 800px;

    --bgc: #e0dad5;
    --content-color: #1f1f1f;
    --secondary-color: #ec3d0c;
    --primary-color: #ed2c25;
}

main {
    display: flex;
    flex-direction: column;
    color: #fff;
    box-sizing: border-box;
    margin: 120px auto;
    width: 1000px;
    color: var(--content-color);
}

a {
    text-decoration: none;
}
a:link {
    text-decoration: none;
}
a:visited {
    text-decoration: none;
}
a:hover {
    text-decoration: none;
}
a:active {
    text-decoration: none;
}
a:focus {
    text-decoration: none;
}

.header {
    position: relative;
    margin: 0 auto;
    width: 1000px;
}

.nav {
    display: flex;
    justify-content: space-around;
    align-items: center;
    width: 100%;
    height: 100px;
    background-color: #1f1f1f;
}

.nav > .btn {
    --color: var(--bgc);
    background-color: var(--content-color);
    font-size: large;
    font-weight: bold;
    padding: 16px;
    color: var(--color);
    user-select: none;
    cursor: pointer;
    border: solid 6px var(--bgc);
    border-color: var(--content-color);
}

.nav > .btn:hover {
    background-color: var(--secondary-color);
}

.nav > .btn.select {
    --color: #eae09e;
    font-weight: bold;
    border-color: var(--bgc);
    background-color: var(--secondary-color);
}

.row {
    display: flex;
    align-items: center;
}

.col {
    display: flex;
    flex-direction: column;
}

.t1 {
    color: #1f1f1f;
    font-size: large;
    font-weight: bold;
    letter-spacing: 8px;
    line-height: 40px;
    color: #e0dad5;
}

.title {
    font-weight: bold;
    margin: 32px 0;
    font-size: 6em;
}

p {
    margin: 40px 0;
    position: relative;
    font-size: large;
    opacity: 0.9;
}

p.style1::after {
    --color: var(--primary-color);
    content: '';
    position: absolute;
    background-color: var(--color);
    bottom: -32px;
    left: 0;
    height: 8px;
    width: 200px;
}

p.style2 {
    padding: 20px;
    background-color: var(--content-color);
    color: var(--bgc);
}
p.style2::after {
    --color: var(--primary-color);
    content: '';
    position: absolute;
    background-color: var(--color);
    bottom: -8px;
    right: 0;
    height: 8px;
    width: 300px;
}

.block {
    background-color: var(--content-color);
    color: var(--bgc);
    margin: 40px 0;
    width: 100%;
}

.block.light {
    background-color: var(--bgc);
    color: var(--content-color);
}

.video {
    margin: 40px 0;
}