/* Dr. Neal McLoughlin — site styles. System fonts only, no frameworks, no JavaScript. */
:root {
  --ink: #17202b;
  --ink-2: #263241;
  --slate: #556273;
  --paper: #ffffff;
  --mist: #f3f5f7;
  --line: #dce1e7;
  --red: #b3202a;
  --red-dark: #8f1820;
  --sky: #8fd0ef;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", "URW Palladio L", Georgia, serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --wrap: 72rem;
  --gutter: clamp(1rem, 4vw, 2rem);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: var(--sans); font-size: 1.0625rem; line-height: 1.6; color: var(--ink); background: var(--paper); }
img, svg { display: block; max-width: 100%; height: auto; }
a { color: var(--red-dark); text-underline-offset: 0.18em; }
a:hover { color: var(--red); }
:focus-visible { outline: 3px solid var(--red); outline-offset: 3px; border-radius: 2px; }

h1, h2 { font-family: var(--serif); font-weight: 700; line-height: 1.12; margin: 0 0 0.55em; letter-spacing: -0.01em; }
h1 { font-size: clamp(2.4rem, 1.5rem + 3.6vw, 4rem); }
h2 { font-size: clamp(1.55rem, 1.2rem + 1.2vw, 2.1rem); }
h3 { font-size: 1.15rem; font-weight: 650; line-height: 1.3; margin: 0 0 0.35em; }
p { margin: 0 0 1em; }
.measure { max-width: 42rem; }
.lead { font-size: clamp(1.125rem, 1.05rem + 0.35vw, 1.3rem); line-height: 1.55; color: var(--ink-2); }
.muted { color: var(--slate); }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }

.skip { position: absolute; left: -999px; top: 0; background: var(--paper); padding: 0.5rem 1rem; z-index: 10; }
.skip:focus { left: 0.5rem; top: 0.5rem; }

/* Header */
.site-header { background: var(--paper); }
.site-header .wrap { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 0.75rem 1.5rem; padding-top: 0.9rem; padding-bottom: 0.9rem; }
.brand { display: flex; align-items: center; gap: 0.65rem; text-decoration: none; color: var(--ink); }
.brand svg { width: 2.4rem; height: 2.4rem; flex: none; }
.brand-name { font-family: var(--serif); font-weight: 700; font-size: 1.2rem; line-height: 1.1; }
.brand-sub { display: block; font-family: var(--sans); font-weight: 400; font-size: 0.8125rem; color: var(--slate); }
.site-nav ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 0.25rem 1.2rem; align-items: center; }
.site-nav a { text-decoration: none; color: var(--ink); font-size: 0.975rem; padding: 0.35rem 0; display: inline-block; }
.site-nav a:hover { text-decoration: underline; color: var(--ink); }
.site-nav a[aria-current="page"] { box-shadow: inset 0 -2px 0 var(--red); }
.site-nav .nav-cta { background: var(--red); color: #fff; padding: 0.45rem 0.9rem; border-radius: 4px; font-weight: 600; }
.site-nav .nav-cta:hover { background: var(--red-dark); color: #fff; text-decoration: none; }

/* Two sky-blue stripes: a nod to the Chicago flag */
.stripes { height: 18px; background:
  linear-gradient(to bottom, var(--sky) 0 5px, transparent 5px 13px, var(--sky) 13px 18px); }

/* Buttons */
.actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 1.75rem; }
.btn { display: inline-block; text-decoration: none; font-weight: 600; padding: 0.85rem 1.3rem; border-radius: 4px; border: 2px solid var(--red); line-height: 1.2; }
.btn-solid { background: var(--red); color: #fff; }
.btn-solid:hover { background: var(--red-dark); border-color: var(--red-dark); color: #fff; }
.btn-line { color: var(--ink); border-color: var(--ink); }
.btn-line:hover { background: var(--mist); color: var(--ink); }
.dark .btn-solid { background: #fff; color: var(--ink); border-color: #fff; }
.dark .btn-solid:hover { background: var(--mist); border-color: var(--mist); color: var(--ink); }
.dark .btn-line { color: #fff; border-color: rgba(255,255,255,0.7); }
.dark .btn-line:hover { background: rgba(255,255,255,0.1); color: #fff; }

/* Hero */
.hero { padding: clamp(2.5rem, 6vw, 4.75rem) 0 clamp(3rem, 6vw, 5rem); }
.hero .wrap { display: grid; gap: 2.5rem; align-items: start; }
.hero .role { font-size: clamp(1.1rem, 1rem + 0.5vw, 1.35rem); color: var(--ink-2); margin-bottom: 1.25rem; max-width: 36rem; }
@media (min-width: 60rem) { .hero .wrap { grid-template-columns: 1.35fr 1fr; gap: 4rem; } }

.brief { background: var(--mist); border-top: 4px solid var(--red); padding: 1.5rem 1.5rem 1.25rem; }
.brief h2 { font-family: var(--sans); font-size: 1rem; font-weight: 650; margin-bottom: 0.9rem; letter-spacing: 0; }
.brief ul { list-style: none; margin: 0; padding: 0; }
.brief li { padding: 0.6rem 0; border-top: 1px solid var(--line); line-height: 1.45; }
.brief li:first-child { border-top: 0; padding-top: 0; }
.brief strong { display: block; }
.brief span { color: var(--slate); font-size: 0.95rem; }

/* Sections */
.section { padding: clamp(2.75rem, 6vw, 4.5rem) 0; }
.section + .section { border-top: 1px solid var(--line); }
.band { background: var(--mist); border-top: 0 !important; }
.dark { background: var(--ink); color: #fff; }
.dark .muted { color: #c3ccd7; }
.dark a { color: #fff; }

.split { display: grid; gap: 2rem; }
@media (min-width: 56rem) { .split { grid-template-columns: 1fr 1.6fr; gap: 4rem; } }

/* Audience rows */
.rows { margin: 1.25rem 0 0; border-top: 1px solid var(--line); }
.rows > div { padding: 1.1rem 0; border-bottom: 1px solid var(--line); display: grid; gap: 0.25rem; }
.rows dt { font-weight: 650; }
.rows dd { margin: 0; color: var(--slate); }
@media (min-width: 48rem) { .rows > div { grid-template-columns: 15rem 1fr; gap: 2rem; } }

/* Talks */
.talks { display: grid; gap: 0; margin-top: 1.5rem; border-top: 2px solid var(--ink); }
.talk { padding: 1.5rem 0; border-bottom: 1px solid var(--line); display: grid; gap: 0.4rem 3rem; }
.talk h3 { font-family: var(--serif); font-size: clamp(1.2rem, 1.1rem + 0.4vw, 1.4rem); font-weight: 700; }
.talk p { margin: 0; color: var(--slate); }
.talk .for { font-size: 0.95rem; margin-top: 0.4rem; }
@media (min-width: 56rem) { .talk { grid-template-columns: 22rem 1fr; } }

/* Career record */
.record { list-style: none; margin: 1.5rem 0 0; padding: 0; border-left: 2px solid var(--line); }
.record li { position: relative; padding: 0 0 1.75rem 1.5rem; max-width: 46rem; }
.record li::before { content: ""; position: absolute; left: -7px; top: 0.4rem; width: 12px; height: 12px; background: var(--paper); border: 2px solid var(--red); border-radius: 50%; }
.record .org { color: var(--slate); font-size: 0.975rem; margin-bottom: 0.35rem; }
.record p { margin: 0; }

/* Credentials */
.creds { list-style: none; margin: 1.25rem 0 0; padding: 0; display: grid; gap: 0.7rem 2.5rem; }
.creds li { padding-left: 1.4rem; position: relative; }
.creds li::before { content: ""; position: absolute; left: 0; top: 0.55em; width: 7px; height: 7px; background: var(--red); transform: rotate(45deg); }
@media (min-width: 44rem) { .creds { grid-template-columns: 1fr 1fr; } }

/* Quote */
.quote { margin: 0; max-width: 50rem; }
.quote p { font-family: var(--serif); font-size: clamp(1.4rem, 1.1rem + 1.3vw, 2.1rem); line-height: 1.3; margin: 0 0 0.75rem; }
.quote footer { color: #c3ccd7; }

/* Services */
.service { display: grid; gap: 0.5rem 3rem; padding: 2.25rem 0; border-bottom: 1px solid var(--line); }
.service:first-child { padding-top: 0; }
.service:last-child { border-bottom: 0; }
.service ul { margin: 0 0 1em; padding-left: 1.2rem; }
.service li { margin-bottom: 0.35em; }
.service .for { color: var(--slate); font-size: 0.975rem; }
@media (min-width: 56rem) { .service { grid-template-columns: 20rem 1fr; } }

/* Page head */
.page-head { padding: clamp(2.25rem, 5vw, 3.5rem) 0 clamp(2rem, 4vw, 3rem); border-bottom: 1px solid var(--line); }
.page-head h1 { font-size: clamp(2rem, 1.4rem + 2.4vw, 3rem); margin-bottom: 0.4em; }
.page-head p { max-width: 44rem; margin: 0; font-size: 1.15rem; color: var(--ink-2); }
.crumbs { font-size: 0.875rem; color: var(--slate); margin-bottom: 1rem; }

/* FAQ */
.faq { max-width: 46rem; }
.toc { list-style: none; margin: 0 0 2.5rem; padding: 0 0 0 1rem; border-left: 3px solid var(--red); }
.toc li { margin: 0.3rem 0; }
.faq-item { padding: 1.75rem 0; border-bottom: 1px solid var(--line); }
.faq-item:first-of-type { padding-top: 0; }
.faq-item h2 { font-size: clamp(1.3rem, 1.15rem + 0.6vw, 1.6rem); margin-bottom: 0.5em; }
.faq-item .answer { font-weight: 600; }
.faq-item ul { padding-left: 1.2rem; }

/* Contact */
.contact-big { font-family: var(--serif); font-size: clamp(1.4rem, 1.1rem + 1.4vw, 2.1rem); font-weight: 700; text-decoration: none; word-break: break-word; }
.contact-big:hover { text-decoration: underline; }
.checklist { padding-left: 1.2rem; }
.checklist li { margin-bottom: 0.45em; }

/* CTA band */
.cta .wrap { display: grid; gap: 1.5rem; align-items: center; }
.cta h2 { margin-bottom: 0.3em; }
.cta p { margin: 0; }
@media (min-width: 56rem) { .cta .wrap { grid-template-columns: 1fr auto; } .cta .actions { margin-top: 0; } }

/* Footer */
.site-footer { background: var(--ink); color: #c3ccd7; padding: 2.75rem 0 2rem; font-size: 0.9375rem; }
.site-footer a { color: #fff; }
.footer-grid { display: grid; gap: 1.75rem; }
@media (min-width: 48rem) { .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; } }
.site-footer h2 { font-family: var(--sans); font-size: 1rem; font-weight: 650; color: #fff; margin: 0 0 0.6rem; letter-spacing: 0; }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin-bottom: 0.35rem; }
.site-footer address { font-style: normal; }
.fineprint { border-top: 1px solid rgba(255,255,255,0.15); margin-top: 2rem; padding-top: 1.25rem; font-size: 0.875rem; }

@media print { .site-nav, .cta, .skip, .stripes { display: none; } .dark { background: none; color: var(--ink); } }

/* Portrait photos */
.portrait { margin: 0; max-width: 20rem; }
.portrait img { width: 100%; height: auto; border-bottom: 4px solid var(--red); background: var(--mist); }
.portrait-sm { margin-top: 1.5rem; max-width: 16rem; }
@media (min-width: 60rem) {
  .hero .wrap { grid-template-columns: 1.5fr 1fr; align-items: center; }
  .hero .portrait { max-width: 24rem; justify-self: end; }
}

/* At a glance strip */
.glance { background: var(--mist); padding: 2.25rem 0 2.5rem; border-top: 1px solid var(--line); }
.glance h2 { font-family: var(--sans); font-size: 1rem; font-weight: 650; margin-bottom: 1rem; letter-spacing: 0; }
.glance-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 1.25rem 2rem; grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr)); }
.glance-list li { border-left: 3px solid var(--red); padding-left: 0.9rem; line-height: 1.45; }
.glance-list strong { display: block; }
.glance-list span { color: var(--slate); font-size: 0.95rem; }
.glance + .section.band { background: var(--paper); border-top: 1px solid var(--line) !important; }

/* Grouped credentials (About) */
.cred-group { font-size: 1rem; margin: 1.75rem 0 0; color: var(--ink); }
.cred-group:first-child { margin-top: 0; }
.cred-group + .creds { margin-top: 0.75rem; }