/* Reset */
*,
*::before,
*::after {
    box-sizing: border-box;
}

html,
body,
h1,
h2,
h3,
p,
ul,
ol,
li,
figure,
blockquote,
dl,
dd {
    margin: 0;
    padding: 0;
}

ul,
ol {
    list-style: none;
}

img {
    max-width: 100%;
    display: block;
}

a {
    color: inherit;
}

/* Design tokens */
:root {
    --bg: #eef2f7;
    --ink: #1a1a1a;
    --muted: #5a5a5a;
    --rule-soft: rgba(26, 26, 26, 0.15);
    --rule: rgba(26, 26, 26, 0.2);
    --accent: #d62828;

    --serif: "Playfair Display", Georgia, serif;
    --sans: Arial, Helvetica, sans-serif;

    --page-max-text: 680px;
    --page-max-list: 760px;

    --pad-x: 48px;
    --pad-x-mobile: 24px;

    --transition: color 0.15s ease, border-color 0.15s ease, background-color 0.15s ease;
}

/* Base */
html {
    background: var(--bg);
}

body {
    background: var(--bg);
    color: var(--ink);
    font-family: var(--sans);
    font-size: 16px;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1 0 auto;
    width: 100%;
    padding: 72px var(--pad-x) 96px;
}

.page {
    margin: 0 auto;
    max-width: var(--page-max-text);
}

.page--list {
    max-width: var(--page-max-list);
}

/* Typography */
h1 {
    font-family: var(--serif);
    font-weight: 400;
    font-size: 48px;
    line-height: 1.1;
    letter-spacing: -0.01em;
    color: var(--ink);
}

h2 {
    font-family: var(--serif);
    font-weight: 400;
    font-size: 24px;
    line-height: 1.25;
    color: var(--ink);
}

p {
    font-family: var(--sans);
    font-size: 16px;
    line-height: 1.7;
    color: var(--ink);
}

.lede {
    font-family: var(--serif);
    font-weight: 400;
    font-size: 22px;
    line-height: 1.5;
    color: var(--ink);
}

.meta {
    font-family: var(--sans);
    font-size: 13px;
    color: var(--muted);
    letter-spacing: 0.02em;
}

/* Links */
a {
    color: var(--ink);
    text-decoration: none;
    transition: var(--transition);
}

a:hover,
a:focus-visible {
    color: var(--accent);
}

.prose a,
a.inline {
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 3px;
}

:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
    border-radius: 1px;
}

/* Header */
.site-header {
    position: sticky;
    top: 0;
    z-index: 10;
    background: var(--bg);
    border-bottom: 1px solid var(--rule-soft);
    padding: 28px var(--pad-x) 20px;
}

.site-header__inner {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 24px;
}

.wordmark {
    font-family: var(--serif);
    font-weight: 400;
    font-size: 16px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--ink);
    white-space: nowrap;
}

.wordmark:hover,
.wordmark:focus-visible {
    color: var(--accent);
}

/* Nav */
.nav {
    position: relative;
    margin: 0;
}

.nav__toggle {
    display: none;
    font-family: var(--sans);
    font-size: 13px;
    letter-spacing: 0.05em;
    color: var(--ink);
    background: transparent;
    border: 0;
    padding: 0;
    cursor: pointer;
    user-select: none;
}

.nav__toggle:hover,
.nav__toggle:focus-visible {
    color: var(--accent);
}

.nav__list {
    display: flex;
    gap: 32px;
    align-items: baseline;
}

.nav__link {
    font-family: var(--sans);
    font-size: 13px;
    letter-spacing: 0.05em;
    color: var(--muted);
    padding-bottom: 2px;
}

.nav__link[aria-current="page"] {
    color: var(--ink);
    border-bottom: 1px solid var(--ink);
}

.nav__link:hover,
.nav__link:focus-visible,
.nav__link[aria-current="page"]:hover,
.nav__link[aria-current="page"]:focus-visible {
    color: var(--accent);
}

.nav__link[aria-current="page"]:hover,
.nav__link[aria-current="page"]:focus-visible {
    border-bottom-color: var(--accent);
}

/* Footer */
.site-footer {
    flex-shrink: 0;
    border-top: 1px solid var(--rule-soft);
    padding: 48px var(--pad-x) 32px;
}

.site-footer__inner {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 24px;
    font-size: 13px;
    color: var(--muted);
    letter-spacing: 0.02em;
}

.site-footer__group {
    display: flex;
    gap: 24px;
}

.site-footer a {
    color: var(--ink);
}

.site-footer a:hover,
.site-footer a:focus-visible {
    color: var(--accent);
}

/* Page headers */
.page-title {
    margin-bottom: 48px;
}

.page-title__eyebrow {
    font-family: var(--sans);
    font-size: 13px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 16px;
}

.page-title h1 + .page-title__intro {
    margin-top: 32px;
}

.page-title__intro {
    font-family: var(--sans);
    font-size: 14px;
    line-height: 1.5;
    color: var(--muted);
    max-width: 560px;
}

.section-heading {
    font-family: var(--serif);
    font-weight: 400;
    font-size: 24px;
    line-height: 1.25;
    color: var(--ink);
    margin-top: 48px;
    margin-bottom: 24px;
}

.section-heading--first {
    margin-top: 16px;
}

/* About page */
.about-page {
    max-width: 844px;
    margin: 0 auto;
}

.about-layout {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 64px;
    align-items: start;
}

.about-portrait {
    margin: 0;
}

.portrait {
    display: block;
    width: 100%;
    aspect-ratio: 4 / 5;
    object-fit: cover;
    background: #d4d8de;
}

.about-copy {
    min-width: 0;
}

/* Prose (About, Contact intro, etc.) */
.prose > * + * {
    margin-top: 20px;
}

.prose h2 {
    margin-top: 56px;
    margin-bottom: 8px;
}

/* Landing page */
.main--landing {
    padding-top: 140px;
}

.landing {
    max-width: 680px;
    margin: 0 auto;
    text-align: center;
}

.landing__statement {
    font-family: var(--serif);
    font-weight: 400;
    font-size: 32px;
    line-height: 1.35;
    color: var(--ink);
    margin: 0;
}

.landing__link {
    display: inline-block;
    margin-top: 48px;
    font-family: var(--sans);
    font-size: 13px;
    letter-spacing: 0.05em;
    color: var(--muted);
}

.landing__link:hover,
.landing__link:focus-visible {
    color: var(--accent);
}

/* List page (Work, Writing + Talks) */
.entries {
    display: flex;
    flex-direction: column;
}

.entry {
    display: grid;
    grid-template-columns: 80px 1fr auto;
    gap: 32px;
    align-items: baseline;
    padding: 20px 0;
    border-top: 0.5px solid var(--rule);
    color: var(--ink);
}

.entry:last-child {
    border-bottom: 0.5px solid var(--rule);
}

.entry__date {
    font-family: var(--sans);
    font-size: 13px;
    color: var(--muted);
    letter-spacing: 0.02em;
    padding-top: 6px;
}

.entry__body {
    min-width: 0;
}

.entry__title {
    font-family: var(--serif);
    font-weight: 400;
    font-size: 20px;
    line-height: 1.3;
    color: var(--ink);
    display: block;
}

.entry__subtitle {
    font-family: var(--sans);
    font-size: 14px;
    color: var(--muted);
    margin-top: 6px;
    line-height: 1.5;
}

.entry__arrow {
    font-family: var(--sans);
    font-size: 16px;
    color: var(--muted);
    padding-top: 4px;
    transition: var(--transition);
}

a.entry:hover .entry__title,
a.entry:focus-visible .entry__title,
a.entry:hover .entry__arrow,
a.entry:focus-visible .entry__arrow {
    color: var(--accent);
}

/* List groups (Work, Writing + Talks) */
.list-group + .list-group {
    margin-top: 40px;
}

.list-group__year {
    font-family: var(--serif);
    font-weight: 500;
    font-size: 20px;
    line-height: 1.3;
    color: var(--ink);
    margin-bottom: 8px;
}

.list-group__items {
    list-style: none;
    padding: 0;
    margin: 0;
}

.list-group__items li {
    font-family: var(--sans);
    font-size: 16px;
    line-height: 1.7;
    color: var(--ink);
}

.list-group__items a {
    color: var(--ink);
}

.list-group__items a:hover,
.list-group__items a:focus-visible {
    color: var(--accent);
}

/* Contact page */
.contact-statement {
    font-family: var(--sans);
    font-size: 16px;
    line-height: 1.7;
    color: var(--ink);
    max-width: 680px;
    margin-bottom: 48px;
}

.contact-details {
    font-family: var(--sans);
    font-size: 16px;
    line-height: 1.7;
    max-width: 680px;
}

.contact-details p {
    margin: 0;
}

.contact-details__label {
    color: var(--muted);
}

/* Responsive */
@media (max-width: 768px) {
    main {
        padding: 56px var(--pad-x-mobile) 72px;
    }

    .main--landing {
        padding-top: 64px;
    }

    .site-header {
        padding: 20px var(--pad-x-mobile) 16px;
    }

    .site-footer {
        padding: 40px var(--pad-x-mobile) 28px;
    }

    .site-header__inner {
        align-items: center;
    }

    .nav__toggle {
        display: inline-block;
    }

    .nav__list {
        display: none;
        position: absolute;
        right: 0;
        top: calc(100% + 12px);
        background: var(--bg);
        border: 1px solid var(--rule-soft);
        padding: 16px 20px;
        flex-direction: column;
        gap: 16px;
        min-width: 180px;
    }

    .nav__toggle[aria-expanded="true"] + .nav__list {
        display: flex;
    }

    h1 {
        font-size: 36px;
    }

    .about-layout {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .about-portrait {
        max-width: 300px;
    }

    .intro {
        padding-top: 40px;
    }

    .intro__bio {
        font-size: 22px;
    }

    .entry {
        grid-template-columns: 1fr auto;
        gap: 4px 16px;
        padding: 18px 0;
    }

    .entry__date {
        grid-column: 1 / -1;
        padding-top: 0;
        margin-bottom: 4px;
    }

    .entry__body {
        grid-column: 1 / 2;
    }

    .entry__arrow {
        grid-column: 2 / 3;
        align-self: start;
        padding-top: 4px;
    }

    .site-footer__inner {
        flex-direction: column;
        gap: 12px;
    }
}

@media (max-width: 375px) {
    .site-header__inner {
        gap: 16px;
    }

    .wordmark {
        font-size: 14px;
        letter-spacing: 0.16em;
    }
}