:root {
    color-scheme: light;
    --paper: #eee3cb;
    --ink: #30352f;
    --muted: #686353;
    --accent: #304e65;
    --line: rgb(108 85 48 / 28%);
    --light: rgb(255 253 239 / 85%);
    --shade: rgb(100 76 39 / 22%);
    --relief: inset 0 1px 1px var(--shade), 0 1px 0 var(--light);
    color: var(--ink);
    background: var(--paper);
    font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
    font-size: 16px;
    line-height: 1.7;
    scroll-behavior: smooth;
    scroll-padding-top: 2rem;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background:
        radial-gradient(ellipse at 18% 8%, rgb(255 252 232 / 65%), transparent 55%),
        radial-gradient(ellipse at 95% 48%, rgb(166 126 65 / 9%), transparent 55%),
        radial-gradient(ellipse at 15% 92%, rgb(171 126 58 / 8%), transparent 45%),
        var(--paper);
    isolation: isolate;
}

/* A continuous grain layer keeps the relief part of the same sheet. */
body::before {
    position: fixed;
    z-index: -1;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='grain'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.72' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Cpath fill='%23735b36' filter='url(%23grain)' opacity='.3' d='M0 0h180v180H0z'/%3E%3C/svg%3E");
    opacity: .24;
    mix-blend-mode: multiply;
    pointer-events: none;
    content: "";
}

body > header, main, body > footer {
    width: min(70rem, calc(100% - clamp(2.5rem, 9vw, 8rem)));
    margin-inline: auto;
}

a {
    color: var(--accent);
    text-decoration-thickness: 1px;
    text-underline-offset: .3em;
    transition: color 160ms ease, box-shadow 160ms ease;
}
a:hover { color: #172f41; }
a:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: .35rem;
}

#skip-link {
    position: absolute;
    z-index: 20;
    top: .75rem;
    left: 1rem;
    padding: .65rem 1rem;
    background: var(--paper);
    transform: translateY(-180%);
}
#skip-link:focus { transform: translateY(0); }

body > header {
    border-bottom: 1px solid var(--line);
    box-shadow: 0 1px 0 var(--light);
}
body > header nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem 2rem;
    padding-block: 1.6rem;
}
nav a { text-decoration: none; }
nav > a {
    color: #252a32;
    font-size: 1.15rem;
    font-weight: 800;
    letter-spacing: -.04em;
    text-shadow: 0 1px 0 var(--light);
}
nav > a span { color: var(--accent); }
nav ul {
    display: flex;
    flex-wrap: wrap;
    gap: .8rem clamp(1rem, 3vw, 2.5rem);
    margin: 0;
    padding: 0;
    list-style: none;
}
nav li a {
    padding-block: .65rem;
    color: var(--muted);
    font-size: .7rem;
    font-weight: 600;
    letter-spacing: .12em;
    text-transform: uppercase;
}

h1, h2, h3, p, ul { margin-top: 0; }
h1, h2 {
    color: var(--accent);
    font-family: Georgia, "Times New Roman", serif;
    font-weight: 400;
    text-wrap: balance;
    /* Shallow raised ink, lit from the upper left. */
    text-shadow: -.5px -.5px 0 var(--light), .6px 1px .5px var(--shade);
}
h1 {
    color: var(--accent);
    margin-bottom: 2rem;
    font-size: clamp(3.2rem, 8.2vw, 7.2rem);
    line-height: 1.02;
    letter-spacing: -.055em;
}
h1 span { color: var(--accent); font-style: italic; }
h2 {
    max-width: 16ch;
    margin-bottom: 0;
    font-size: clamp(2.3rem, 4.6vw, 4rem);
    line-height: 1.1;
    letter-spacing: -.04em;
}
h3 {
    margin-bottom: .5rem;
    color: var(--accent);
    font-family: Georgia, "Times New Roman", serif;
    font-size: clamp(1.55rem, 2.5vw, 2rem);
    font-weight: 400;
    line-height: 1.25;
}
p, li { overflow-wrap: break-word; }
main > section {
    padding-block: clamp(4rem, 8vw, 7rem);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 1px 0 var(--light);
}
section > header { margin-bottom: 3rem; }
section > header > p, footer > p:first-child {
    margin-bottom: 1.3rem;
    color: var(--muted);
    font-size: .68rem;
    font-weight: 600;
    letter-spacing: .17em;
    text-transform: uppercase;
}

#intro { padding-block: clamp(4.5rem, 9vw, 8rem); }
#intro header { margin-bottom: 0; }
#intro > p:not(#intro-links) {
    max-width: 43rem;
    color: #55564b;
    font-size: clamp(1rem, 1.5vw, 1.15rem);
}
#intro-links {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1.25rem 2rem;
    margin: 2.5rem 0 0;
}
#intro-links a {
    display: inline-block;
    padding: .8rem 1.25rem;
    border: 1px solid var(--line);
    box-shadow: inset 1px 1px 0 var(--light), 1px 1px 1px var(--shade);
    font-size: .8rem;
    font-weight: 600;
    text-decoration: none;
}
#intro-links a:hover { box-shadow: var(--relief); }
#intro-links a[href="#experience"] {
    border-color: var(--accent);
    color: #fff9ed;
    background: var(--accent);
    box-shadow: inset 0 1px 0 rgb(255 255 255 / 25%), 0 1px 1px var(--shade);
}
#intro-links a[href="#experience"]:hover {
    background: #172f41;
    box-shadow: inset 0 1px 2px rgb(0 20 55 / 28%), 0 1px 0 var(--light);
}

#experience article {
    display: grid;
    gap: 1rem 3rem;
    padding-block: 2rem;
    border-top: 1px solid var(--line);
    box-shadow: inset 0 1px 0 var(--light);
}
#experience article:last-child { padding-bottom: 0; }
#experience article header > p {
    margin-bottom: .7rem;
    color: var(--muted);
    font-size: .8rem;
}
#experience article header > p:has(time) {
    margin-bottom: 1.3rem;
    font-variant-numeric: tabular-nums;
}
#experience article ul {
    margin-bottom: 0;
    padding-left: 1.1rem;
}
li::marker { color: #8e805f; }
#experience li + li, #project li + li { margin-top: 1rem; }

#project > header > p:has(+ h2) { margin-bottom: 1.3rem; }
#project > header > h2 + p {
    margin-top: 1.5rem;
    margin-bottom: 0;
    font-size: .65rem;
    letter-spacing: .1em;
}
.project-description { min-width: 0; }
.project-description > p:last-child { margin-bottom: 0; }
.project-lead {
    max-width: 32ch;
    color: var(--accent);
    font-family: Georgia, "Times New Roman", serif;
    font-size: 1.5rem;
    line-height: 1.4;
}

.skill-groups details {
    border-top: 1px solid var(--line);
    box-shadow: inset 0 1px 0 var(--light);
}
.skill-groups summary {
    padding: 1.1rem .2rem;
    color: var(--accent);
    font-size: .95rem;
    font-weight: 600;
    cursor: pointer;
    overflow-wrap: break-word;
}
.skill-groups summary::marker { color: var(--accent); }
.skill-groups summary span {
    display: block;
    margin-left: 1.2rem;
    color: var(--muted);
    font-size: .85rem;
    font-weight: 400;
}
.skill-groups summary:hover { color: #172f41; }
.skill-groups summary:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: .2rem;
}
.skill-groups details > p {
    max-width: 70ch;
    margin: 0 .2rem 1.3rem 1.4rem;
    font-size: .95rem;
}
.additional-skills {
    margin: 1.5rem 0 0;
    color: var(--muted);
    font-size: .85rem;
}

#background {
    display: grid;
    gap: 2.5rem 4rem;
}
#background > header { grid-column: 1 / -1; margin-bottom: .5rem; }
#background article > p { margin-bottom: 1rem; }
#background article > p:has(+ h3) {
    color: var(--muted);
    font-size: .7rem;
    letter-spacing: .12em;
    text-transform: uppercase;
}
#background time { color: var(--muted); font-size: .85rem; }
#background article > :last-child { margin-bottom: 0; }

body > footer { padding-block: clamp(4rem, 8vw, 7rem) 2rem; }
footer h2 { max-width: 16ch; font-size: clamp(2.8rem, 6vw, 5.5rem); }
address { margin-block: 2rem 5rem; font-style: normal; }
address a { display: inline-block; padding-block: .5rem; }
footer > p:last-child {
    margin: 0;
    padding-top: 1.5rem;
    border-top: 1px solid var(--line);
    box-shadow: inset 0 1px 0 var(--light);
    color: var(--muted);
}

@media (min-width: 48rem) {
    #experience article { grid-template-columns: 1fr 1.8fr; }
    #project { display: grid; grid-template-columns: 1fr 1fr; column-gap: 5rem; }
    #project > header { margin-bottom: 0; }
    #background { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 30rem) {
    body > header nav { gap: 1.25rem; }
    nav ul { width: 100%; justify-content: space-between; gap: .5rem; }
    nav li a { font-size: .62rem; letter-spacing: .06em; }
    #intro header > p { max-width: 30ch; }
}

@media (prefers-reduced-motion: reduce) {
    :root { scroll-behavior: auto; }
    a { transition: none; }
}

@media print {
    :root { color: #111; background: white; font-size: 10pt; }
    body { background: white; }
    body::before, body > header, #skip-link, #intro-links { display: none; }
    main, body > footer { width: 100%; }
    main > section, body > footer { padding-block: 1.5rem; }
    h1, h2, h3 { color: #111; text-shadow: none; }
    h1 { font-size: 32pt; }
    h2, footer h2 { font-size: 24pt; }
    h3 { font-size: 16pt; }
    article { break-inside: avoid; }
    address { margin-block: 1rem; }
}