/* Brandon Sweeting — site styles
   Layout: slim sticky header; home hero with portrait; inner pages are a single
   bordered panel (breadcrumb row, side label + serif title, then content blocks). */

:root {
  --bg: #fbfcfe;
  --bg-tint: #f1f5fb;
  --surface: #ffffff;
  --surface-soft: #f6f9fd;
  --ink: #15233b;
  --body: #364357;
  --muted: #677387;
  --navy: #1a3e72;
  --navy-strong: #12305c;
  --navy-soft: #e9f0fa;
  --line: #e2e8f0;
  --green: #22714a;
  --green-soft: #e6f4ec;
  --shadow: 0 18px 40px -22px rgba(21, 35, 59, 0.35);

  --serif: "Source Serif 4", "Source Serif Pro", Georgia, "Times New Roman", serif;
  --sans: "Source Sans 3", "Source Sans Pro", -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  --wrap: 1040px;
  --radius: 14px;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0e1420;
    --bg-tint: #131b2a;
    --surface: #141c2b;
    --surface-soft: #172133;
    --ink: #e8edf5;
    --body: #c3ccd9;
    --muted: #94a0b3;
    --navy: #9cbcf0;
    --navy-strong: #b8d0f6;
    --navy-soft: #1c2a42;
    --line: #253145;
    --green: #7fd1a4;
    --green-soft: #173327;
    --shadow: 0 18px 40px -22px rgba(0, 0, 0, 0.7);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0e1420;
  --bg-tint: #131b2a;
  --surface: #141c2b;
  --surface-soft: #172133;
  --ink: #e8edf5;
  --body: #c3ccd9;
  --muted: #94a0b3;
  --navy: #9cbcf0;
  --navy-strong: #b8d0f6;
  --navy-soft: #1c2a42;
  --line: #253145;
  --green: #7fd1a4;
  --green-soft: #173327;
  --shadow: 0 18px 40px -22px rgba(0, 0, 0, 0.7);
  color-scheme: dark;
}

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

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--body);
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a { color: var(--navy); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--navy-strong); }
:focus-visible { outline: 2px solid var(--navy); outline-offset: 3px; border-radius: 4px; }

.wrap {
  max-width: var(--wrap);
  margin: 0 auto;
  padding-left: max(20px, env(safe-area-inset-left, 0px));
  padding-right: max(20px, env(safe-area-inset-right, 0px));
}

.skip { position: absolute; left: -999px; }
.skip:focus { left: 16px; top: 12px; z-index: 50; background: var(--surface); padding: 6px 10px; }

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
}
.brand {
  font-weight: 700;
  font-size: 1.02rem;
  color: var(--navy-strong);
  text-decoration: none;
  white-space: nowrap;
}
.nav { display: flex; align-items: center; gap: 4px 22px; flex-wrap: wrap; justify-content: flex-end; }
.nav a {
  color: var(--body);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.97rem;
  padding: 4px 0;
  border-bottom: 2px solid transparent;
}
.nav a:hover { color: var(--navy); }
.nav a[aria-current="page"] { color: var(--navy); border-bottom-color: var(--navy); }
.nav .cv-btn {
  display: inline-flex; align-items: center; gap: 6px;
  border: 1px solid var(--navy);
  border-radius: 8px;
  padding: 7px 14px;
  color: var(--navy);
}
.nav .cv-btn:hover { background: var(--navy-soft); }
.nav .cv-btn svg { width: 0.8em; height: 0.8em; fill: currentColor; }

.menu-toggle { display: none; }

/* ---------- Hero (home) ---------- */

.hero {
  position: relative;
  background:
    radial-gradient(1100px 520px at 88% 8%, var(--bg-tint), transparent 62%),
    var(--bg);
  border-bottom: 1px solid var(--line);
}
.hero .wrap {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 230px;
  gap: 56px;
  align-items: center;
  padding-block: 112px 64px;
}
.eyebrow {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--navy);
  margin: 0 0 14px;
}
.hero h1 {
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(2.6rem, 6vw, 4.2rem);
  line-height: 1.02;
  letter-spacing: -0.025em;
  color: var(--ink);
  margin: 0 0 22px;
  text-wrap: balance;
}
.role { font-size: 1.4rem; font-weight: 600; color: var(--navy); margin: 0 0 4px; }
.affil { margin: 0 0 26px; font-size: 1.1rem; }
.affil a { color: var(--navy-strong); }
.statement {
  font-family: var(--serif);
  font-size: 1.2rem;
  line-height: 1.6;
  color: var(--body);
  max-width: 62ch;
  margin: 0 0 30px;
}
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 22px; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 18px;
  border-radius: 8px;
  border: 1px solid var(--navy);
  color: var(--navy);
  font-weight: 700;
  text-decoration: none;
  font-size: 0.98rem;
}
.btn:hover { background: var(--navy-soft); color: var(--navy-strong); }
.btn.primary { background: var(--navy); color: var(--surface); }
.btn.primary:hover { background: var(--navy-strong); color: var(--surface); }
.meta-line { margin: 0 0 6px; color: var(--muted); font-size: 0.98rem; }
.meta-line.items { display: flex; flex-wrap: wrap; gap: 4px 0; }
.meta-line.items > span:not(:last-child)::after { content: "|"; margin: 0 10px; color: var(--line); }
.meta-line a { font-weight: 600; text-decoration: none; }
.meta-line .sep { margin: 0 10px; color: var(--line); }

.portrait { position: relative; justify-self: end; width: 100%; max-width: 230px; }
.portrait img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-radius: 16px;
  box-shadow: var(--shadow);
}
.portrait::after {
  content: "";
  position: absolute;
  right: -16px;
  bottom: -16px;
  width: 78px;
  height: 78px;
  border-right: 3px solid var(--navy);
  border-bottom: 3px solid var(--navy);
  border-bottom-right-radius: 14px;
  opacity: 0.8;
}

.links-row {
  grid-column: 1 / -1;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px 14px;
  list-style: none;
  padding: 26px 0 0;
  margin: 18px 0 0;
  border-top: 1px solid var(--line);
}
.links-row a {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 12px;
  color: var(--navy);
  border: 1px solid var(--line);
  background: var(--surface);
  transition: transform 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}
.links-row a:hover { transform: translateY(-2px); border-color: var(--navy); background: var(--navy-soft); }
.links-row svg { width: 22px; height: 22px; fill: currentColor; }

/* ---------- Inner page panel ---------- */

.page { padding-block: 40px 72px; }
.crumbs {
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  font-size: 0.92rem; color: var(--muted); margin-bottom: 16px;
}
.crumbs a { color: var(--muted); text-decoration: none; }
.crumbs a:hover { color: var(--navy); }
.crumbs .back { display: inline-flex; align-items: center; gap: 6px; color: var(--navy); font-weight: 700; }
.crumbs .back svg { width: 0.8em; height: 0.8em; fill: currentColor; }

.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 40px 44px 44px;
  box-shadow: 0 1px 2px rgba(21, 35, 59, 0.04);
}
.panel-head {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: 20px;
  align-items: baseline;
  padding-bottom: 18px;
  margin-bottom: 30px;
  border-bottom: 1px solid var(--line);
}
.panel-label {
  font-size: 0.78rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: var(--navy);
}
.panel-head h1 {
  font-family: var(--serif); font-weight: 700; color: var(--ink);
  font-size: clamp(1.9rem, 3.4vw, 2.5rem); line-height: 1.15; margin: 0; text-wrap: balance;
}
.panel-head .lede { grid-column: 2; margin: 6px 0 0; color: var(--muted); }

.block + .block { margin-top: 44px; }
.block > h2 {
  font-family: var(--serif); font-weight: 700; color: var(--ink);
  font-size: 1.35rem; margin: 0 0 16px; text-wrap: balance;
}
.block > p { margin: 0 0 14px; }
.intro { font-size: 1.12rem; }
strong { color: var(--ink); }

/* Numbered cards */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.card {
  background: var(--surface-soft);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 22px 22px 20px;
  min-width: 0;
}
.card .num {
  display: inline-grid; place-items: center;
  min-width: 30px; height: 30px; padding: 0 8px;
  border-radius: 8px;
  background: var(--navy-soft); color: var(--navy);
  font-size: 0.8rem; font-weight: 700;
  margin-bottom: 14px;
}
.card h3 { font-family: var(--serif); font-size: 1.1rem; color: var(--ink); margin: 0 0 8px; line-height: 1.3; }
.card p { margin: 0; font-size: 0.96rem; color: var(--body); }
.card .date { font-size: 0.78rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--navy); margin-bottom: 8px; display: block; }

/* Flow diagram */
.flow {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 24px;
  background: linear-gradient(180deg, var(--surface-soft), var(--surface));
}
.flow h3 { font-family: var(--serif); font-size: 1.08rem; color: var(--ink); margin: 0 0 18px; }
.flow ol {
  list-style: none; margin: 0; padding: 0;
  display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 26px;
}
.flow li {
  position: relative;
  border: 1px solid var(--line); border-radius: 10px; background: var(--surface);
  padding: 16px 14px; min-width: 0;
}
.flow li + li::before {
  content: "→";
  position: absolute; left: -21px; top: 50%; transform: translateY(-50%);
  color: var(--navy); font-weight: 700;
}
.flow .tag {
  display: inline-block; font-size: 0.78rem; font-weight: 700; color: var(--navy);
  background: var(--navy-soft); border-radius: 6px; padding: 2px 8px; margin-bottom: 10px;
}
.flow strong { display: block; font-size: 0.98rem; line-height: 1.3; margin-bottom: 6px; }
.flow span.d { display: block; font-size: 0.88rem; color: var(--muted); line-height: 1.45; }
.flow .foot { margin: 16px 0 0; font-size: 0.92rem; color: var(--muted); }

/* Callout */
.callout {
  border-left: 3px solid var(--navy);
  background: var(--surface-soft);
  border-radius: 0 10px 10px 0;
  padding: 16px 20px;
}
.callout p { margin: 0; }

/* Dated list (talks, events) */
.dated { list-style: none; margin: 0; padding: 0; }
.dated li {
  display: grid; grid-template-columns: 110px minmax(0, 1fr); gap: 18px;
  padding: 14px 0; border-bottom: 1px solid var(--line);
}
.dated li:first-child { border-top: 1px solid var(--line); }
.dated time { font-weight: 700; font-size: 0.9rem; color: var(--navy); font-variant-numeric: tabular-nums; padding-top: 1px; }
.dated .t { color: var(--ink); font-weight: 600; }
.dated .v { display: block; color: var(--muted); font-size: 0.95rem; }

.pill {
  display: inline-block; vertical-align: 2px;
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.02em;
  padding: 1px 8px; border-radius: 999px; margin-left: 6px;
  background: var(--navy-soft); color: var(--navy);
}
.pill.green { background: var(--green-soft); color: var(--green); }

/* Publications */
.pubs { display: grid; gap: 14px; }
.pub {
  border: 1px solid var(--line);
  border-left: 3px solid var(--navy);
  border-radius: 10px;
  background: var(--surface-soft);
  padding: 20px 22px;
}
.pub.draft { border-left-color: var(--line); }
.status { font-size: 0.75rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); margin: 0 0 8px; }
.status.ok { color: var(--green); }
.status.sub { color: var(--navy); }
.pub h3 { font-family: var(--serif); font-size: 1.12rem; line-height: 1.35; color: var(--ink); margin: 0 0 6px; }
.pub .authors { margin: 0; color: var(--muted); font-size: 0.97rem; }
.pub .authors b { color: var(--ink); font-weight: 600; }
.pub .venue { margin: 6px 0 0; font-size: 0.97rem; }
.pub .venue i { color: var(--ink); }
.pub .abs { margin: 10px 0 0; font-size: 0.95rem; color: var(--body); }
.pub .actions { display: flex; gap: 10px; margin-top: 12px; flex-wrap: wrap; }
.pub .actions a {
  font-size: 0.85rem; font-weight: 700; text-decoration: none;
  border: 1px solid var(--line); border-radius: 6px; padding: 3px 10px; background: var(--surface);
}
.pub .actions a:hover { border-color: var(--navy); }

/* Tables */
.table-wrap { overflow-x: auto; margin-bottom: 30px; }
.table-wrap:last-child { margin-bottom: 0; }
.table-title { font-family: var(--serif); font-size: 1.08rem; color: var(--ink); margin: 0 0 10px; font-weight: 700; }
table { width: 100%; border-collapse: collapse; font-size: 0.97rem; table-layout: fixed; min-width: 560px; }
th:nth-child(1) { width: 20%; }
th:nth-child(2) { width: 42%; }
th {
  text-align: left; font-size: 0.75rem; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--navy); background: var(--navy-soft); padding: 9px 12px; font-weight: 700;
}
td { padding: 11px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
td:first-child { white-space: nowrap; font-variant-numeric: tabular-nums; }
td.terms { color: var(--muted); }

/* Plain lists */
.plain { margin: 0; padding-left: 1.2em; }
.plain li { margin-bottom: 8px; }
.plain li::marker { color: var(--navy); }

/* ---------- Footer ---------- */

.site-footer { border-top: 1px solid var(--line); background: var(--surface); }
.site-footer .wrap {
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px 24px;
  padding-block: 26px; font-size: 0.92rem; color: var(--muted);
}
.site-footer nav a { color: var(--muted); }
.site-footer nav a:hover { color: var(--navy); }
.site-footer .dot { margin: 0 8px; }

/* ---------- Responsive ---------- */

@media (max-width: 900px) {
  .flow ol { grid-template-columns: 1fr; gap: 22px; }
  .flow li + li::before { content: "↓"; left: 50%; top: -19px; transform: translateX(-50%); }
}

@media (max-width: 820px) {
  .site-header .wrap { min-height: 60px; flex-wrap: wrap; padding-block: 10px; }
  .menu-toggle {
    display: inline-flex; align-items: center; gap: 6px;
    background: none; border: 1px solid var(--line); border-radius: 8px;
    padding: 6px 12px; font: inherit; font-weight: 600; color: var(--ink); cursor: pointer;
  }
  .nav { display: none; width: 100%; flex-direction: column; align-items: flex-start; gap: 2px; padding-bottom: 8px; }
  .nav.open { display: flex; }
  .nav a { padding: 8px 0; }
  .nav .cv-btn { margin-top: 6px; }

  .hero .wrap { grid-template-columns: 1fr; gap: 36px; padding-block: 56px 40px; }
  .portrait { order: -1; justify-self: start; max-width: 168px; }

  .panel { padding: 26px 20px 28px; }
  .panel-head { grid-template-columns: 1fr; gap: 6px; }
  .panel-head .lede { grid-column: 1; }
  .dated li { grid-template-columns: 1fr; gap: 2px; }
  .meta-line.items { flex-direction: column; }
  .meta-line.items > span:not(:last-child)::after { content: none; }
  .links-row { gap: 6px; }
  .links-row a { width: 36px; height: 36px; border-radius: 10px; }
  .links-row svg { width: 18px; height: 18px; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}