/* /assets/css/site.css */
:root {
    --bg: #FAFBFD;
    --text: #111;
    --text-2: #555;
    --meta: #888;
    --accent: #1C2A44;
    --border: #E6E8EE;
    --max: 48rem;
    /* ~768px, within 720-820px target */
}

* {
    box-sizing: border-box
}

html {
    scroll-behavior: smooth
}

body {
    margin: 0;
    font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans";
    color: var(--text);
    background: var(--bg);
    line-height: 1.65;
    font-size: 17px;
    -webkit-text-size-adjust: 100%;
}

img {
    max-width: 100%;
    height: auto
}

.wrap {
    max-width: min(50rem, 92vw);
    margin: 0 auto;
    padding: 0 1rem
}

/* Skip link */
.skip-link {
    position: absolute;
    left: -999px;
    top: auto;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.skip-link:focus {
    position: fixed;
    left: 1rem;
    top: 1rem;
    width: auto;
    height: auto;
    padding: .5rem .75rem;
    background: #fff;
    color: var(--accent);
    border: 2px solid var(--accent);
    z-index: 1000
}

/* Header / Nav */
.site-header {
    position: sticky;
    top: 0;
    z-index: 999;
    background: #fff;
    border-bottom: 1px solid var(--border);
}

.site-header .wrap {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: .75rem 1rem
}

.brand {
    font-weight: 700;
    color: var(--accent);
    text-decoration: none
}

.site-nav ul {
    display: flex;
    gap: .75rem;
    list-style: none;
    padding: 0;
    margin: 0
}

.site-nav a {
    display: inline-block;
    padding: .35rem .5rem;
    text-decoration: none;
    color: var(--text-2);
    border-radius: .4rem;
}

.site-nav a[aria-current="page"] {
    color: var(--accent);
    background: #EEF2F9
}

.site-nav a:focus,
.site-nav a:hover {
    outline: 2px solid transparent;
    background: #F4F6FB;
    color: var(--accent)
}

/* Mobile nav */
.nav-toggle {
    margin-left: auto;
    display: none;
    background: transparent;
    border: 1px solid var(--border);
    padding: .4rem .55rem;
    border-radius: .5rem
}

.nav-toggle:focus {
    outline: 2px solid var(--accent)
}

.nav-toggle-box {
    display: block;
    width: 1.25rem;
    height: .125rem;
    background: var(--text);
    position: relative
}

.nav-toggle-box::before,
.nav-toggle-box::after {
    content: "";
    position: absolute;
    left: 0;
    width: 100%;
    height: .125rem;
    background: var(--text)
}

.nav-toggle-box::before {
    top: -.35rem
}

.nav-toggle-box::after {
    top: .35rem
}

.nav-toggle-label {
    position: absolute;
    left: -9999px
}

/* Layout */
main {
    display: block
}

.hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: .75rem;
    padding: 2rem 1rem;
    margin: 0 auto;
    max-width: min(50rem, 92vw);
}

.hero .quick-links {
    justify-content: center
}

.hero .oneliner {
    max-width: 65ch;
    margin: .5rem auto 0
}

.headshot {
    margin: 0 auto
}

.headshot {
    width: 96px;
    height: 96px;
    object-fit: cover;
    border-radius: 50%;
    border: 2px solid #fff;
    box-shadow: 0 0 0 1px var(--border)
}

h1,
h2,
h3 {
    line-height: 1.25;
    margin: .2rem 0 .25rem
}

h1 {
    font-size: 1.75rem
}

.tagline {
    color: var(--text-2);
    margin: .15rem 0
}

.oneliner {
    margin: .5rem 0 0
}

.section-head {
    margin: 2rem auto 1rem;
    max-width: var(--max);
    padding: 0 1rem
}

/* Constrain regular sections to the same centered column */
main>section:not(.hero) {
    max-width: var(--max);
    margin: 0 auto;
    padding: 0 1rem;
}

/* Comfortable line length for body text */
main>section:not(.hero) p {
    max-width: 65ch;
    margin-left: auto;
    margin-right: auto;
}

.section-subtitle {
    color: var(--meta);
    margin: .25rem 0 0
}

.lead {
    max-width: var(--max);
    margin: 0 auto 1rem;
    padding: 0 1rem
}

/* Cards & lists */
.cards {
    list-style: none;
    padding: 0;
    margin: 1rem auto;
    max-width: var(--max);
}

.card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: .75rem;
    padding: 1rem;
    margin: .75rem 1rem;
    box-shadow: 0 1px 0 rgba(0, 0, 0, .02);
}

.tight {
    margin: .5rem 0 0 1.25rem
}

/* Buttons */
.button {
    display: inline-block;
    padding: .45rem .75rem;
    border: 1px solid var(--accent);
    color: var(--accent);
    text-decoration: none;
    border-radius: .55rem;
    font-weight: 600;
    background: #fff;
}

.button:focus,
.button:hover {
    background: #EEF2F9
}

.quick-links {
    display: flex;
    flex-wrap: wrap;
    gap: .5rem;
    margin-top: .75rem
}

/* Breadcrumbs */
.breadcrumbs {
    max-width: var(--max);
    margin: 1rem auto 0;
    padding: 0 1rem
}

.breadcrumbs ol {
    list-style: none;
    display: flex;
    gap: .5rem;
    padding: 0;
    margin: 0;
    color: var(--meta)
}

.breadcrumbs a {
    color: var(--text-2);
    text-decoration: none
}

.breadcrumbs a:hover {
    color: var(--accent);
    text-decoration: underline
}

/* Footer */
.site-footer {
    border-top: 1px solid var(--border);
    margin-top: 2rem;
    background: #fff
}

.site-footer .wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem
}

.contact {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: .75rem;
    padding: 0;
    margin: 0
}

.meta {
    color: var(--meta)
}

/* Links */
a {
    color: var(--accent)
}

a.ext::after {
    content: " ↗";
    font-variation-settings: "wght" 400
}

/* Focus */
:where(a, button, [href], [tabindex]):focus {
    outline: 2px solid var(--accent);
    outline-offset: 2px
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto
    }
}

/* Small screens */
@media (max-width: 640px) {
    .site-nav {
        display: none
    }

    .site-header .wrap {
        align-items: center
    }

    .nav-toggle {
        display: inline-flex
    }

    body[data-nav-open="true"] .site-nav {
        display: block
    }

    body[data-nav-open="true"] .site-header .wrap {
        flex-wrap: wrap
    }

    .site-nav ul {
        flex-direction: column;
        align-items: flex-start;
        padding-top: .5rem
    }

    .hero {
        grid-template-columns: 72px 1fr
    }

    .headshot {
        width: 72px;
        height: 72px
    }
}