.hero
{
    position: relative;

    max-width: 1400px;

    margin: -100px auto 3rem;

    padding: 2em 3em 2em 0;

    overflow: hidden;

    border: 1px solid #d6c3a2;
    border-radius: 18px;

    box-shadow: 0 8px 22px rgba(0,0,0,.15);

    background:

        /* Marge rouge */
        linear-gradient(
            to right,
            transparent 0,
            transparent 58px,
            rgba(220,90,90,.55) 58px,
            rgba(220,90,90,.55) 60px,
            transparent 60px
        ),

        /* Lignes du cahier */
        repeating-linear-gradient(
            to bottom,
            #fcfaf6 0,
            #fcfaf6 25px,
            #dbe8f6 26px,
            #fcfaf6 27px
        );
}
.hero-intro
{
    position: relative;

    z-index: 2;

    display: flex;

    gap: 25px;

    margin-left: 85px;

    max-width: 820px;
}
.hero-letter
{
    width: 70px;
    height: 70px;

    flex-shrink: 0;

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

    font-family: Georgia, serif;
    font-size: 3.3rem;

    color: #9a5a18;

    background: rgba(255,255,255,.95);

    border: 2px solid #d7b486;
    border-radius: 12px;

    box-shadow: 0 4px 10px rgba(0,0,0,.12);
}
.hero-content
{
    display: flex;

    flex-direction: column;
}
.hero h2
{
    margin: 0;

    font-size: 2.45rem;

    color: #40210d;
}
.hero-button
{
    display: inline-block;

    align-self: center;

    margin-top: 20px;

    padding: .9rem 2.2rem;

    border-radius: 10px;

    background: linear-gradient(#d89637,#c97611);

    color: white;

    text-decoration: none;

    font-weight: bold;

    box-shadow: 0 4px 10px rgba(0,0,0,.2);

    transition: .2s;
}

.hero-button:hover
{
    transform: translateY(-2px);

    box-shadow: 0 7px 18px rgba(0,0,0,.25);
}
.hero-decoration
{
    position: absolute;

    right: -10px;

    top: 50%;

    width: 560px;

    transform: translateY(-50%);

    opacity: .22;

    z-index: 1;

    pointer-events: none;
}