@font-face
{
    font-family: charter;
    src: url('../fonts/charter-regular.otf');
    font-style: normal;
    font-weight: 400;
}

@font-face
{
    font-family: charter;
    src: url('../fonts/charter-italic.otf');
    font-style: italic;
    font-weight: 400;
}

@font-face
{
    font-family: charter;
    src: url('../fonts/charter-bold.otf');
    font-style: normal;
    font-weight: 700;
}

@font-face
{
    font-family: charter;
    src: url('../fonts/charter-bold-italic.otf');
    font-style: italic;
    font-weight: 700;
}

:root
{
    font-size: 18px;
    --gray30: #212121;
    --gray20: #212429;
    --gray10: #616161;
    --fontFamily: charter
}

html
{
    scroll-behavior: smooth;
}

body
{
    color: var(--gray30);
    font-family: var(--fontFamily);
    margin: 0;
}

a
{
    color: var(--gray30);
}

.header
{
    padding-inline: 20px;
}

header
{
    font-size: 14px;
    color: var(--title);
    margin-block-start: 20px;
}

header li
{
    color: var(--text);
    margin-block-end: 16px;
}

header a
{
    color: var(--gray10);
    text-decoration: none;
}

header a:hover
{
    color: var(--gray30);
}

nav details summary
{
    font-weight: bold;
    line-height: 24px;
}

h1
{
    font-size: 40px; /*3.75em*/
    margin-top: 64px;
    margin-bottom: 16px;
}

hr
{
    margin: 64px 0;
}

h2
{
    font-size: 32px; /*2em*/
    margin: 64px 0 40px;
    font-weight: normal;
}

.section-content
{
    counter-reset: titleList;
    margin-top: 64px;
}

.section-content:first-of-type
{
    margin: 0;
}

.section-content + hr
{
    display: none;
}

h3
{
    font-size: 24px; /*1.5em*/
    margin-top: 16px;
    margin-bottom: 24px;
    font-weight: normal;
}

.section-content img
{
    margin-top: 40px;
    max-inline-size: 100%;
    display: block;
}

.section-content h3
{
    counter-increment: titleList;
    position: relative;
    padding-bottom: 8px;
}

.section-content h3::before
{
    content: counter(titleList) ". ";
}

.section-content h3::after
{
    content: '';
    width: 80px;
    height: 4px;
    background: var(--gray30);
    display: inline-block;
    position: absolute;
    left: 0;
    bottom: 0;
}

.section-content ol li
{
    line-height: 24px;
}

.section-content ul li
{
    margin-bottom: 16px;
}

blockquote
{
    font-size: 24px;
    margin: 32px 0;
    padding-left: 16px;
    border-left: 4px solid var(--gray30);
    line-height: 24px;
    font-family: var(--fontFamily);
}

blockquote span
{
    color: var(--gray10);
}

blockquote span::before
{
    content: '-';
}

pre
{
    background: #fec62e;
    padding: 40px;
    font-family: var(--fontFamily);
    line-height: 24px;
    overflow: auto;
    font-size: 16px;
}

.hero
{
    background: linear-gradient(to top, rgba(255,255,255,.3), transparent), url(../images/pattern.png);
    height: 100px;
}

.wrapper
{
    max-width: 902px;
    width: 90%;
    margin: auto;
}

.slaider-container
{
    display: block;
    overflow: auto;
    scroll-behavior: smooth;
    white-space: nowrap;
    font-size: 0;
}

.video
{
    margin: 0;
    display: inline-block;
    width: 100%;
    height: auto;
    aspect-ratio: 16/9;
}

.slider-bullet-list
{
    text-align: center;
    margin-block-start: 10px;
}

.slider-bullet
{
    display: inline-block;
    width: 15px;
    height: 15px;
    background-color: #424242;
    border-radius: 50%;
}

.label
{
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.label
{
    position: relative;
}

.enviar
{
    position: absolute;
    bottom: 1px;
    right: 0;
}

.label input,
.enviar input
{
    inline-size: 100%;
    border: 1px solid var(--gray30);
    /* background-color: var(--body); */
    box-sizing: border-box;
    border-radius: 90px;
    padding-inline: 16px;
    padding-block: 12px;
    color: var(--cita);
    font-size: 16px;
    margin-block-end: 24px;
    width: 100%;
}

.enviar input[type="submit"] 
{
    background-color: var(--gray20);
    color: #fff;
    width: 119px;
    border: none;
}

.form input::-webkit-input-placeholder
{
    color: var(--gray10);
}

.footer
{
    background-color: var(--gray20);
    text-align: center;
}

.footer p, 
.footer a
{
    color: #fff;
    text-decoration: none;
}

.footer p
{
    font-size: 20px;
}

footer
{
    padding-block: 44px;
    margin-block-start: 16px;
}

@media screen and (min-width: 1366px) {
    .header {
        position: sticky;
        inset-block-start: -45px;
    }

    .header-content {
        position: relative;
        inset-block-start: 65px;
        padding-inline: 0;
    }

    header {
        font-size: 14px;
        color: var(--title);
        position: absolute;
        inset-block-start: 0;
        inset-inline-start: -208px;
        width: 188px;


        /* inset-block-start:; TOP
        inset-block-end:; BOTTOM
        inset-inline-start:; LEFT
        inset-inline-end:; RIGHT */
    }

    h1 {
        font-size: 60px;
        margin-block-start: 64px;
    }

    .hero {
        block-size: 350px;
    }

    blockquote {
        font-size: 24px;
    }

    .label {
        display: flex;
        flex-direction: row;
        justify-content: flex-start;
        width: 633px;
    }

    .label input,
    .enviar input {
        width: 280px;
    }


    .footer p {
        font-size: 30px;
    }

    footer {
        margin-block-start: 56px;
    }
}