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

* {
    position: relative;
}

html {
    color-scheme: dark;
    --swiss-red: #dc143c;
    --grid-size: 16px;
    --pattern: 16px;
    --brand-color-dark: color-mix(in oklab, var( --swiss-red), black 70%);
    --brand-color-light: color-mix(in oklab, var( --swiss-red), white 50%);
    background: black;

}
/* * {
    outline: 1px solid red
}  */

body {
    font-family: 'Helvetica Neue', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    overflow-x: hidden;
    text-wrap: balance;
    -webkit-tap-highlight-color: rgba(220, 20, 60, 0.2);
}

main {
    border: 0.5px solid var(--swiss-red);
    background-clip: padding-box;
    max-width: 1600px;
    padding: 160px 160px;
    display: grid;
    gap: 50px;
    margin: 160px auto;
    grid-template-columns: 3;
    background-image:
        linear-gradient(to left, transparent calc(var(--grid-size) - 1px), var(--brand-color-dark) var(--grid-size)),
        linear-gradient(to bottom, transparent calc(var(--grid-size) - 1px), var(--brand-color-dark) var(--grid-size)),
        linear-gradient(to left, transparent calc(var(--grid-size)*10 - 1px), var(--brand-color-light) calc(var(--grid-size)*10)),
        linear-gradient(to bottom, transparent calc(var(--grid-size)*10 - 1px), var(--brand-color-light) calc(var(--grid-size)*10));
    background-size:
        var(--grid-size) var(--grid-size),
        var(--grid-size) var(--grid-size),
        calc(var(--grid-size) * 10) calc(var(--grid-size) * 10),
        calc(var(--grid-size) * 10) calc(var(--grid-size) * 10);

}


 

h1 {
    font-size: 162px;
    padding-bottom: 0px;
    line-height: 1;
    letter-spacing: -0.025em;
    font-weight: 900;
    top: 16px;
}

h2 {
    font-weight: bold;
    font-size: 28px;
    color: var(--swiss-red);
    line-height: 32px;
    top: 16px;
}

h3 { 
    font-size: 28px;
    color: white;
    line-height: 32px;
}

::selection {
    color: white;
    background-color: var(--swiss-red);
  }

li { display: grid; grid-template-columns: 1; gap: 48px;}


a { 
    color: var(--swiss-red);
    text-decoration: none;
}

a:hover { 
    color: var(--swiss-red);
    text-decoration: underline;
}

.intro {
    font-size: 28px;
    font-weight: 400;
    line-height: 32px;
    color: white;
    top: calc(6px);
    letter-spacing: 0.05em;
    max-width: 800px;
    top: 32px;

}


.expertise {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 160px 160px;
    margin-top: 160px;
    list-style: none;
    counter-reset: section;
    top: 44px;
}

.expertise-item {
    position: relative;
    padding-left: 0;
}

.expertise-item::before {
    counter-increment: section;
    content: "0"counter(section);
    display: block;
    color: #a2a2a2;
    font-size: 62px;
    line-height: 32px;
    font-weight: 300;
    position: absolute;
    bottom: calc(100% + 48px)
}


.expertise-item p {
    font-size: 1rem;
    font-weight: 400;
    color: #999999;
    line-height: 24px;
    display: block;
    top: -4px;
    max-width: 32em;
}


.poster-footer {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    gap: 2rem;
    margin-top: 10rem;
    top: 1rem;
}

.footer-statement {
    width: 100%;
}

.footer-title {
    font-size: clamp(2rem, 5vw, 4rem);
    font-weight: 300;
    color: #ffffff;
    margin-bottom: 2rem;
    letter-spacing: -0.01em;
    line-height: 1.1;
    text-wrap: balance;
}

.footer-links {
    display: block;
    margin-top: 2rem;
    display: grid;
    gap: 1rem;
}

@media (min-width: 992px) {
    .footer-links {
        display: flex;
        flex-wrap: wrap;
        gap: 0.75rem 2rem;
    }
     
}



.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid #333333;
    gap: 4rem;
}


:focus-visible {
    outline: 2px solid #dc143c;
    outline-offset: 2px;
    border-radius: 2px;
}



.copyright {
    font-size: 0.9rem;
    color: #666666;
    font-weight: 400;
    align-self: flex-end;
}




@media (max-width: 1599px) {
    .expertise {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
    }
    h1 { 
        font-size: 96px;
    }
    main {
        margin: 0 auto;
    }
}


@media (max-width: 1119px) {
    .expertise {
        display: grid;
        grid-template-columns: repeat(1, 1fr);
    }

    h1 { 
        font-size: 60px;
    }

    main {
        padding: 64px;
    }
}

@media (max-width: 599px) {

    h1 { 
        font-size: 48px;
    }



    h2, h3 {
        font-size: 20px;
        line-height: 24px
    }

    .intro { 
        font-size: 16px;
        line-height: 24px 
    }
    
}