/* ==========================================================================
   western.css — shared design system for Dr. Peter Brown's research site
   Follows the University of Western Ontario brand (brand.westernu.ca).
   Hand-maintained static site; no build step. Edit tokens below to retheme.
   ========================================================================== */

:root {
  /* Brand colours */
  --western-purple: #4F2683;
  --orchid:         #8F55E0;
  --deep-focus:     #201436;
  --grey:           #818284;
  --black:          #000000;
  --white:          #FFFFFF;
  /* Accents */
  --sky:    #7DEAFB;
  --spring: #B9F876;
  --vivid:  #FCF05E;
  --tiger:  #F0A757;
  /* Neutrals (derived) */
  --ink:        #1c1c1c;
  --muted:      #5a5a5a;
  --line:       #e2e0e6;
  --bg:         #ffffff;
  --bg-soft:    #f5f3f8;
  --bg-purple-soft: #f2eef8;

  /* Typography — Benton Sans is Western's brand face (proprietary);
     fall back to widely available sans-serifs so local preview works offline. */
  --font-sans: 'Benton Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif;

  --maxw: 1120px;
  --radius: 6px;
}

/* ----------------------------------------------------------------- reset */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
}
img { max-width: 100%; height: auto; }
a { color: var(--western-purple); }
a:hover { color: var(--orchid); }

.wb-skip {
  position: absolute; left: -999px; top: 0;
  background: var(--western-purple); color: #fff; padding: .6rem 1rem; z-index: 100;
}
.wb-skip:focus { left: 0; }

/* --------------------------------------------------------------- top bar */
.wb-topbar {
  background: var(--deep-focus);
  color: #d9d2e6;
  font-size: .82rem;
}
.wb-topbar .wb-bar-inner {
  max-width: var(--maxw); margin: 0 auto; padding: .4rem 1.25rem;
  display: flex; justify-content: flex-end; gap: 1.25rem; flex-wrap: wrap;
}
.wb-topbar a { color: #d9d2e6; text-decoration: none; }
.wb-topbar a:hover { color: #fff; text-decoration: underline; }

/* ---------------------------------------------------------------- header */
.wb-header {
  background: var(--white);
  border-bottom: 4px solid var(--western-purple);
}
.wb-header-inner {
  max-width: var(--maxw); margin: 0 auto; padding: 1rem 1.25rem;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  flex-wrap: wrap;
}
.wb-brand { display: flex; align-items: center; gap: .9rem; text-decoration: none; }
.wb-brand img { width: 210px; height: auto; display: block; }
.wb-brand .wb-site-title {
  border-left: 2px solid var(--line); padding-left: .9rem;
  font-size: 1.02rem; font-weight: 600; color: var(--deep-focus); line-height: 1.25;
}
.wb-brand .wb-site-title span { display: block; font-weight: 400; color: var(--muted); font-size: .85rem; }

/* ------------------------------------------------------------------- nav */
.wb-nav ul { list-style: none; margin: 0; padding: 0; display: flex; gap: .3rem; flex-wrap: wrap; }
.wb-nav a {
  display: block; padding: .5rem .85rem; text-decoration: none;
  color: var(--deep-focus); font-weight: 600; font-size: .98rem;
  border-radius: var(--radius);
}
.wb-nav a:hover { background: var(--bg-purple-soft); color: var(--western-purple); }
.wb-nav a[aria-current="page"] {
  color: var(--western-purple);
  box-shadow: inset 0 -3px 0 var(--western-purple);
  border-radius: 0;
}

/* --------------------------------------------------------------- page head */
.wb-pagehead {
  background: var(--western-purple);
  color: #fff;
}
.wb-pagehead .wb-bar-inner { max-width: var(--maxw); margin: 0 auto; padding: 2.2rem 1.25rem; }
.wb-pagehead h1 { margin: 0; color: #fff; font-size: 2rem; line-height: 1.15; }
.wb-pagehead p { margin: .5rem 0 0; color: #e7ddf5; font-size: 1.05rem; }
.wb-breadcrumb { font-size: .85rem; color: #cdbce6; margin-bottom: .4rem; }
.wb-breadcrumb a { color: #cdbce6; }
.wb-breadcrumb a:hover { color: #fff; }

/* --------------------------------------------------------------- layout */
.wb-main { max-width: var(--maxw); margin: 0 auto; padding: 2rem 1.25rem 3rem; }
.wb-layout { display: grid; grid-template-columns: 230px 1fr; gap: 2.5rem; }
.wb-content { min-width: 0; }
.wb-content > :first-child { margin-top: 0; }

/* --------------------------------------------------------- secondary nav */
.wb-sidebar h2 {
  font-size: .8rem; text-transform: uppercase; letter-spacing: .06em;
  color: var(--grey); margin: 0 0 .5rem; padding-bottom: .5rem;
  border-bottom: 1px solid var(--line);
}
.wb-sidebar ul { list-style: none; margin: 0; padding: 0; }
.wb-sidebar li { margin: 0; }
.wb-sidebar a {
  display: block; padding: .45rem .6rem; text-decoration: none;
  color: var(--deep-focus); border-left: 3px solid transparent; border-radius: 0 var(--radius) var(--radius) 0;
}
.wb-sidebar a:hover { background: var(--bg-purple-soft); color: var(--western-purple); }
.wb-sidebar a[aria-current="page"] {
  background: var(--bg-purple-soft); border-left-color: var(--western-purple);
  color: var(--western-purple); font-weight: 600;
}

/* --------------------------------------------------------------- content */
h1, h2, h3, h4 { color: var(--deep-focus); line-height: 1.2; font-weight: 700; }
h2 { font-size: 1.5rem; margin: 2rem 0 .75rem; padding-bottom: .35rem; border-bottom: 2px solid var(--bg-purple-soft); }
h3 { font-size: 1.2rem; margin: 1.5rem 0 .5rem; }
p, ul, ol { margin: 0 0 1rem; }
li { margin: .25rem 0; }
hr { border: 0; border-top: 1px solid var(--line); margin: 2rem 0; }
blockquote {
  margin: 1rem 0; padding: .75rem 1.25rem; background: var(--bg-soft);
  border-left: 4px solid var(--orchid); color: var(--ink);
}
.wb-content a { text-underline-offset: 2px; }

/* tables */
table { border-collapse: collapse; width: 100%; margin: 1rem 0; }
th, td { text-align: left; padding: .55rem .7rem; border-bottom: 1px solid var(--line); }
th { background: var(--bg-purple-soft); color: var(--deep-focus); }

/* lede paragraph */
.wb-lede { font-size: 1.2rem; color: var(--muted); }

/* card grid (used on Research hub) */
.wb-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1.25rem; margin: 1.5rem 0; padding: 0; list-style: none; }
.wb-card {
  display: block; padding: 1.25rem; border: 1px solid var(--line); border-radius: var(--radius);
  text-decoration: none; color: var(--ink); background: #fff; transition: border-color .15s, box-shadow .15s, transform .15s;
}
.wb-card:hover { border-color: var(--western-purple); box-shadow: 0 6px 18px rgba(79,38,131,.12); transform: translateY(-2px); }
.wb-card h3 { margin: 0 0 .4rem; color: var(--western-purple); }
.wb-card p { margin: 0; color: var(--muted); font-size: .95rem; }

/* portrait / figure */
.wb-portrait { float: right; margin: 0 0 1rem 1.5rem; max-width: 220px; border-radius: var(--radius); }
.wb-figure { margin: 1.5rem 0; }
.wb-figure img { border-radius: var(--radius); border: 1px solid var(--line); }
.wb-figure figcaption { font-size: .88rem; color: var(--muted); margin-top: .4rem; }

/* buttons */
.wb-btn {
  display: inline-block; background: var(--western-purple); color: #fff !important;
  padding: .6rem 1.1rem; border-radius: var(--radius); text-decoration: none; font-weight: 600;
}
.wb-btn:hover { background: var(--orchid); }

/* --------------------------------------------------------------- footer */
.wb-footer { background: var(--deep-focus); color: #cfc7dd; margin-top: 2rem; }
.wb-footer-inner { max-width: var(--maxw); margin: 0 auto; padding: 2.5rem 1.25rem 1.5rem; }
.wb-footer-cols { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 2rem; }
.wb-footer h3 { color: #fff; font-size: .95rem; text-transform: uppercase; letter-spacing: .05em; margin: 0 0 .75rem; }
.wb-footer a { color: #cfc7dd; }
.wb-footer a:hover { color: #fff; }
.wb-footer ul { list-style: none; margin: 0; padding: 0; }
.wb-footer li { margin: .3rem 0; }
.wb-acknowledge { font-size: .85rem; color: #a89cc0; max-width: 60ch; }
.wb-footer-bottom {
  border-top: 1px solid #3a2d52; margin-top: 2rem; padding-top: 1.25rem;
  font-size: .82rem; color: #a89cc0; display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
}

/* --------------------------------------------------------------- responsive */
@media (max-width: 860px) {
  .wb-layout { grid-template-columns: 1fr; gap: 1.5rem; }
  .wb-sidebar { border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem; }
  .wb-footer-cols { grid-template-columns: 1fr; gap: 1.5rem; }
  .wb-header-inner { flex-direction: column; align-items: flex-start; }
  .wb-nav ul { gap: 0; }
}
@media (max-width: 520px) {
  body { font-size: 16px; }
  .wb-brand .wb-site-title { display: none; }
  .wb-pagehead h1 { font-size: 1.6rem; }
  .wb-portrait { float: none; margin: 0 0 1rem; }
}

/* --------------------------------------------------------------- print */
@media print {
  .wb-topbar, .wb-nav, .wb-sidebar, .wb-footer { display: none; }
  .wb-header { border-bottom: 2px solid #000; }
  .wb-pagehead { background: #fff; color: #000; }
  .wb-pagehead h1, .wb-pagehead p { color: #000; }
  body { font-size: 12pt; }
  a { color: #000; }
  .wb-layout { display: block; }
}