* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
}

:root {
    --red: #D62B2B;
    --black: #1A1A1A;
    --grey-bg: #F5F5F5;
    --border: #EBEBEB;
    --text-muted: #999;
}

html {
    scroll-behavior: smooth;
}

a {
    text-decoration: none;
}

ul {
    list-style: none;
    padding: 0;
}

body {
    line-height: 1.75;
    color: var(--black);
}

/* Layout */

.grid-container {
    display: grid;
    grid-template-columns: 5rem 1fr;
    scroll-margin-top: 6rem;
}

.section-label {
    padding: 0.5rem 0;
    display: flex;
    align-items: center;
    justify-content: center;
    writing-mode: vertical-rl;
    transform: rotate(180deg);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
}

.header {
    position: sticky;
    top: 0;
    border-bottom: 3px solid var(--red);
    background-color: var(--grey-bg);
    z-index: 1;
}

.header__content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
}

.header__title {
    text-transform: uppercase;
    font-size: 1.125rem;
    letter-spacing: 0.2em;
    font-weight: 700;
}

.hero__content {
    display: flex;
    flex-direction: column;
    padding: 3rem 2rem;
    gap: 1rem;
    border-bottom: 1px solid var(--border);
}

.hero__kicker {
    text-transform: uppercase;
    letter-spacing: 0.2em;
    font-size: 0.75rem;
}

.hero__heading {
    font-size: 5rem;
    font-weight: 900;
    line-height: 0.88;
    letter-spacing: -0.04em;
    margin: 0;
}

.hero__desc {
    border-left: 3px solid var(--red);
    padding-left: 1rem;
    max-width: 800px;
}

.hero__tags {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero__tag {
    padding: 0.125rem 1rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    font-size: 0.75rem;
    background-color: var(--black);
    color: white;
}

.work__content {
    display: flex;
    flex-direction: column;
    padding: 3rem 2rem;
    gap: 1rem;
    border-bottom: 1px solid var(--border);
}

.work__header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    border-bottom: 1px solid var(--border);
}

.project-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
}

.about__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    padding: 3rem 2rem;
    gap: 3rem;
}

.about__sections {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.about__desc {
    color: color-mix(in oklch, var(--black), transparent 30%);
}

.about__desc > strong {
    color: var(--black);
}

.about__details {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    border-bottom: 1px solid var(--border);
    font-size: 1rem;
}

.about__detail {
    color: var(--text-muted);
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.2em;
}

.about__link {
    color: var(--black);
}

.about__link::before {
    content: "🔗";
}

.about__link:hover {
    color: var(--red);
}

.about__link:focus-visible {
    outline: 2px solid var(--red);
}

.about__link:active {
    opacity: 0.6;
}

.contact__content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 3rem 2rem;
    border-top: 3px solid var(--red);
    border-bottom: 1px solid var(--border);
}

.contact__heading {
    font-size: 3rem;
    font-weight: 900;
    line-height: 1.11;
    letter-spacing: -0.04em;
}

.contact__links {
    display: flex;
    flex-wrap: wrap;
}

.contact__link {
    border: 2px solid var(--border);
    color: var(--text-muted);
    text-transform: uppercase;
    padding: 0 2rem;
    letter-spacing: 0.2rem;
}

.contact__link:hover {  
    color: var(--red);
    border: 2px solid var(--red);
    background-color: var(--grey-bg);
}

.contact__link:focus-visible {
    outline: 2px solid var(--red);
    color: var(--red);
    background-color: var(--grey-bg);
    outline-offset: -2px;
}

.contact__link:active {
    opacity: 0.6;
}


.footer__content {
    display: flex;
    justify-content: space-between;
    padding: 1rem 2rem;
    color: var(--text-muted);
    text-transform: uppercase;
    font-size: 0.75rem;
}

/* Components */

.nav {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

.nav__link {
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--text-muted);
    position: relative;
}

.nav__link::after {
    position: absolute;
    content: "";
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1.5px;
    background-color: var(--text-muted);
    transition: width 0.3s;
}

.nav__link:hover::after {
    width: 100%;
}

.nav__link:focus-visible {
    outline: 1.5px dashed var(--text-muted);
    outline-offset: 4px;
}

.nav__link:active {
    opacity: 0.6;
}

.section__heading {
    font-size: 1.125rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
}

.project-card {
    display: flex;
    flex-direction: column;
    padding: 1rem;
    gap: 1rem;
    border: 1px solid var(--border);
}

.project-card:hover {
    background-color: var(--grey-bg);
    border: 1px solid var(--black);
}

.project-card__num {
    color: var(--red);
}

.project-card__stack {
    color: var(--text-muted);
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
}

.project-card__desc {
    font-size: 1rem;
    color: color-mix(in oklch, var(--black), transparent 30%);
}

.project-card__link {
    padding: 0 0.5rem;
    width: fit-content;
    text-transform: uppercase;
    color: var(--red);
    letter-spacing: 0.2em;
    font-size: 0.75rem;
    font-weight: 700;
}

.project-card__link::after {
    content: "→";
    margin-left: 0.25rem;
    font-size: 1rem;
}

.project-card__link:hover {
    color: color-mix(in oklch, var(--red), rgb(0,0,0) 20%);
    background-color: rgba(0,0,0,0.05);
}

.project-card__link:focus-visible {
    outline: 2px solid var(--red);
    outline-offset: 4px;
}

.project-card__link:active {
    opacity: 0.6;
}

/* Utilities */

.bg--red {
    background-color: var(--red);
}

.bg--black {
    background-color: var(--black);
}

.bg--grey {
    background-color: var(--grey-bg);
}

.text--red {
    color: var(--red);
}

.text--white {
    color: white;
}

.text--muted {
    color: var(--text-muted);
}

.border--right {
    border-left: 1px solid var(--border);
}

.border--black {
    border: 2px solid var(--black);
}

.display--block {
    display: block;
}