/* ==========================================================================
   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; }
}

/* ==========================================================================
   v2 ADDITIONS — dropdown nav, hero, stats, figure grids, project cards.
   Additive only; original classes above are unchanged.
   ========================================================================== */

/* ---------------------------------------------------- dropdown navigation */
.wb-nav li { position: relative; }
.wb-nav .wb-has-sub > a::after {
  content: "\25BE"; /* ▾ */ font-size: .7em; margin-left: .35em; vertical-align: middle;
  color: var(--grey);
}
.wb-nav .wb-submenu {
  position: absolute; top: 100%; left: 0; z-index: 60;
  min-width: 248px; margin: 0; padding: .35rem; list-style: none;
  background: #fff; border: 1px solid var(--line); border-top: 3px solid var(--western-purple);
  border-radius: 0 0 var(--radius) var(--radius);
  box-shadow: 0 10px 28px rgba(32,20,54,.16);
  opacity: 0; visibility: hidden; transform: translateY(-4px);
  transition: opacity .14s ease, transform .14s ease, visibility .14s;
}
.wb-nav .wb-has-sub:hover > .wb-submenu,
.wb-nav .wb-has-sub:focus-within > .wb-submenu {
  opacity: 1; visibility: visible; transform: translateY(0);
}
.wb-nav .wb-submenu a {
  padding: .5rem .75rem; font-weight: 500; font-size: .95rem;
  border-radius: var(--radius); white-space: nowrap;
}
.wb-nav .wb-submenu a:hover,
.wb-nav .wb-submenu a:focus { background: var(--bg-purple-soft); color: var(--western-purple); }
.wb-nav .wb-submenu a[aria-current="page"] {
  background: var(--bg-purple-soft); color: var(--western-purple);
  box-shadow: none; border-radius: var(--radius);
}

/* ------------------------------------------------------------------- hero */
.wb-hero {
  background: linear-gradient(135deg, var(--western-purple) 0%, var(--deep-focus) 100%);
  color: #fff;
}
.wb-hero-inner {
  max-width: var(--maxw); margin: 0 auto; padding: 2.8rem 1.25rem;
  display: grid; grid-template-columns: 1fr 260px; gap: 2.5rem; align-items: center;
}
.wb-hero h1 { color: #fff; font-size: 2.3rem; margin: 0 0 .6rem; line-height: 1.12; }
.wb-hero p { color: #e7ddf5; font-size: 1.12rem; margin: 0 0 1.1rem; max-width: 56ch; }
.wb-hero .wb-hero-photo {
  width: 100%; border-radius: var(--radius); border: 3px solid rgba(255,255,255,.25);
  box-shadow: 0 12px 30px rgba(0,0,0,.3);
}
.wb-hero-actions { display: flex; gap: .75rem; flex-wrap: wrap; margin-top: .4rem; }

/* --------------------------------------------------------- button variants */
.wb-btn-lg { padding: .75rem 1.4rem; font-size: 1.02rem; }
.wb-btn-ghost {
  display: inline-block; background: transparent; color: #fff !important;
  padding: .6rem 1.1rem; border: 2px solid rgba(255,255,255,.6); border-radius: var(--radius);
  text-decoration: none; font-weight: 600;
}
.wb-btn-ghost:hover { background: rgba(255,255,255,.12); border-color: #fff; }

/* ------------------------------------------------------------ stats strip */
.wb-stats {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1rem; margin: 1.5rem 0; padding: 0; list-style: none;
}
.wb-stat {
  background: var(--bg-purple-soft); border-radius: var(--radius);
  padding: 1.1rem 1rem; text-align: center;
}
.wb-stat b { display: block; font-size: 1.9rem; line-height: 1; color: var(--western-purple); }
.wb-stat span { display: block; margin-top: .35rem; font-size: .9rem; color: var(--muted); }

/* --------------------------------------------------------- facilities row */
.wb-facilities { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px,1fr)); gap: 1rem; padding: 0; list-style: none; margin: 1.25rem 0; }
.wb-facilities li { background: #fff; border: 1px solid var(--line); border-left: 4px solid var(--orchid); border-radius: var(--radius); padding: .9rem 1rem; margin: 0; }
.wb-facilities b { color: var(--deep-focus); }
.wb-facilities span { display: block; font-size: .9rem; color: var(--muted); }

/* --------------------------------------------------- figures & galleries */
.wb-figure-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px,1fr)); gap: 1.25rem; margin: 1.5rem 0; }
.wb-media { margin: 0; }
.wb-media img { width: 100%; border-radius: var(--radius); border: 1px solid var(--line); display: block; }
.wb-media figcaption { font-size: .85rem; color: var(--muted); margin-top: .45rem; }
.wb-figure-right { float: right; max-width: 340px; margin: .3rem 0 1.25rem 1.75rem; }
.wb-figure-right img { width: 100%; border-radius: var(--radius); border: 1px solid var(--line); }
.wb-figure-right figcaption { font-size: .85rem; color: var(--muted); margin-top: .4rem; }

/* ------------------------------------------------------------ key results */
.wb-keypoints { list-style: none; padding: 0; margin: 1.25rem 0; }
.wb-keypoints li { position: relative; padding: .15rem 0 .15rem 1.6rem; margin: .55rem 0; }
.wb-keypoints li::before {
  content: ""; position: absolute; left: 0; top: .55rem;
  width: .7rem; height: .7rem; border-radius: 2px; background: var(--orchid);
}

/* ----------------------------------------------------- project cards (students) */
.wb-projects { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px,1fr)); gap: 1.25rem; margin: 1.5rem 0; padding: 0; list-style: none; }
.wb-project {
  border: 1px solid var(--line); border-radius: var(--radius); padding: 1.25rem;
  background: #fff; display: flex; flex-direction: column;
}
.wb-project h3 { margin: 0 0 .5rem; font-size: 1.1rem; color: var(--western-purple); }
.wb-project p { margin: 0 0 .9rem; font-size: .95rem; color: var(--ink); }
.wb-tags { display: flex; flex-wrap: wrap; gap: .4rem; margin-top: auto; padding: 0; list-style: none; }
.wb-tag {
  font-size: .76rem; font-weight: 600; letter-spacing: .02em;
  background: var(--bg-purple-soft); color: var(--western-purple);
  padding: .2rem .55rem; border-radius: 999px; margin: 0;
}

/* ------------------------------------------------------ landmark / callout */
.wb-landmark {
  background: var(--bg-soft); border-left: 4px solid var(--western-purple);
  border-radius: 0 var(--radius) var(--radius) 0; padding: 1rem 1.25rem; margin: 1rem 0;
}
.wb-landmark h3 { margin: 0 0 .3rem; font-size: 1.05rem; }
.wb-landmark p { margin: 0; font-size: .95rem; color: var(--muted); }

/* ---------------------------------------------------------- CTA band (recruit) */
.wb-cta {
  background: var(--bg-purple-soft); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 1.75rem; margin: 2rem 0;
  display: flex; gap: 1.5rem; align-items: center; justify-content: space-between; flex-wrap: wrap;
}
.wb-cta div { min-width: 0; }
.wb-cta h2 { margin: 0 0 .4rem; border: 0; padding: 0; }
.wb-cta p { margin: 0; color: var(--muted); max-width: 60ch; }

/* ------------------------------------------------------- publications list */
.wb-pub-tools { display: flex; gap: .6rem; flex-wrap: wrap; margin: 0 0 1.25rem; }
.wb-pub-jump { font-size: .9rem; color: var(--muted); margin: 0 0 1.5rem; }
.wb-pub-list { list-style: none; padding: 0; margin: 0 0 1.5rem; }
.wb-pub-list li {
  padding: .55rem 0 .55rem .9rem; margin: 0; border-left: 2px solid var(--line);
  font-size: .95rem; line-height: 1.5;
}
.wb-pub-list li:hover { border-left-color: var(--orchid); background: var(--bg-soft); }

/* --------------------------------------------------------------- responsive */
@media (max-width: 860px) {
  .wb-hero-inner { grid-template-columns: 1fr; gap: 1.5rem; }
  .wb-hero .wb-hero-photo { max-width: 220px; }
  /* stacked, always-open submenus (no hover on touch) */
  .wb-nav .wb-submenu {
    position: static; opacity: 1; visibility: visible; transform: none;
    box-shadow: none; border: 0; border-left: 3px solid var(--bg-purple-soft);
    border-radius: 0; min-width: 0; padding: 0 0 0 .5rem; margin: 0 0 .3rem .85rem;
  }
  .wb-nav .wb-has-sub > a::after { content: ""; }
  .wb-figure-right { float: none; max-width: 100%; margin: 1.25rem 0; }
}

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