:root{
  /* Type scale tokens */
  --fs-body: 16px;
  --fs-h1: clamp(1.6rem, 2.2vw + 1rem, 2.6rem);
  --fs-h2: clamp(1.2rem, 1.6vw + 0.8rem, 1.8rem);
  --fs-h3: clamp(1rem, 1.1vw + 0.6rem, 1.2rem);

  --radius: 12px;
  --shadow: 0 6px 20px rgba(0,0,0,0.45);
  --container: 1100px;
  --space-xs: 6px;
  --space-sm: 12px;
  --space-md: 20px;
  --space-lg: 32px;

  /* Dark theme colors */
  --bg: #0b0f14;
  --panel: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));
  --muted: #9aa6b2;
  --text: #e6eef6;
  --accent: #4dd0e1;
  --accent-2: #7c4dff;
  --glass: rgba(255,255,255,0.03);
}

/* Light theme overrides */
html[data-theme='light']{
  --bg: #f6f8fa;
  --panel: linear-gradient(180deg, rgba(9,12,16,0.02), rgba(9,12,16,0.01));
  --muted: #52606d;
  --text: #071124;
  --accent: #006b6b;
  --accent-2: #4b2bff;
  --glass: rgba(9,12,16,0.03);
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;padding:0;
  font-family: 'Poppins', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial;
  font-size:var(--fs-body);
  background:var(--bg);
  color:var(--text);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  line-height:1.5;
}

.container{max-width:var(--container);margin:0 auto;padding:0 20px}
.header-row{display:flex;align-items:center;justify-content:space-between;gap:16px}

.skip-link{position:absolute;left:8px;top:8px;background:#000;color:#fff;padding:8px;border-radius:6px;z-index:999;transform:translateY(-120%);transition:transform .18s ease}
.skip-link:focus{transform:translateY(0)}

.site-header{position:sticky;top:0;backdrop-filter:blur(6px);background:linear-gradient(180deg, rgba(0,0,0,0.45), rgba(0,0,0,0.15));z-index:50;border-bottom:1px solid rgba(255,255,255,0.03)}
.site-header .container{padding:18px 20px;transition:padding .25s ease}
.site-header.shrink .container{padding:10px 20px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--text)}
.brand__mark{width:36px;height:36px;border-radius:8px;background:linear-gradient(135deg,var(--accent),var(--accent-2));box-shadow:0 6px 18px rgba(125,69,255,0.15)}
.brand__title{font-weight:600}

/* small brand logo next to title */
.brand__logo{height:32px;width:auto;display:block;border-radius:6px;margin-right:10px;object-fit:cover}
/* KFUPM logo next to title */
.brand__kfupm{height:22px;width:auto;display:block;margin-left:8px;opacity:0.95}

.header-actions{display:flex;align-items:center;gap:8px}
.btn-icon{background:transparent;border:1px solid transparent;padding:8px;border-radius:8px;color:var(--text);cursor:pointer}

/* theme toggle styling */
.theme-toggle{font-size:16px;padding:8px 10px;border-radius:10px;border:1px solid rgba(255,255,255,0.04);background:transparent}
.theme-toggle[aria-pressed="true"]{background:rgba(255,255,255,0.04)}

.nav-menu{display:block}
.menu{display:flex;gap:12px;list-style:none;margin:0;padding:0}
.menu a{color:var(--muted);text-decoration:none;padding:8px 10px;border-radius:8px;font-weight:600}
.menu a:hover,.menu a.active{color:var(--text);background:var(--glass)}

.hamburger{display:none;background:transparent;border:0;gap:4px;padding:10px}
.hamburger span{display:block;width:22px;height:2px;background:var(--text);border-radius:2px}

.hero{padding:18px 0 0}

/* Image slider styles */
.slider{height:clamp(190px,28vw,320px);border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);box-shadow:var(--shadow);position:relative}
.slider ul{list-style:none;margin:0;padding:0;height:100%}
.slider li{position:absolute;inset:0;opacity:0;transition:opacity .8s ease;will-change:opacity}
.slider li.active{opacity:1;z-index:2}
.slider img{width:100%;height:100%;object-fit:cover;display:block}

.slider li{}
.hero-overlay{position:absolute;inset:0;display:flex;align-items:flex-end;padding:20px;pointer-events:none}
.hero-overlay::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg, rgba(0,0,0,0.70) 0%, rgba(0,0,0,0.35) 45%, rgba(0,0,0,0.05) 100%);}
.hero-overlay__inner{position:relative;z-index:2;pointer-events:auto;color:var(--text);max-width:720px;padding:18px}
.hero-title{margin:0 0 8px 0;color:var(--text);text-shadow:0 8px 24px rgba(0,0,0,0.12);line-height:1.05}
.hero-title.h1, .hero-title.h2{}
.hero-subtitle{margin:0 0 12px;color:var(--muted);font-size:1rem}
.hero-cta{display:inline-block;padding:10px 14px;border-radius:12px;background:linear-gradient(90deg,var(--accent),var(--accent-2));color:#04111a;font-weight:800;text-decoration:none;border:1px solid rgba(124,92,255,0.18)}
.hero-cta:focus{outline:3px solid rgba(124,92,255,0.22);outline-offset:3px}



.hero-inner{display:flex;align-items:center;gap:32px}
.hero-copy h1{font-size:var(--fs-h1);margin:0 0 12px}
.lead{color:var(--muted);margin:0 0 18px}

.highlights{display:flex;gap:16px;padding:18px 0}
.card{background:var(--panel);padding:18px;border-radius:var(--radius);box-shadow:var(--shadow);}
.card.small{flex:1;text-align:center}
.sub{color:var(--muted);margin:6px 0 0}

.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:stretch;padding:26px 0}
.profile-card{background:var(--panel);padding:16px;border-radius:12px;display:flex;gap:12px;align-items:flex-start}
.profile-photo{width:84px;height:84px;border-radius:8px;object-fit:cover;flex-shrink:0}
.profile-name{font-weight:700}
.profile-role{color:var(--muted);font-size:0.95rem}
.profile-tags{display:flex;flex-wrap:wrap;gap:6px;margin:8px 0}
.tag{background:rgba(255,255,255,0.03);padding:6px 8px;border-radius:8px;font-size:0.8rem}
.profile-block{margin-top:8px}
.fact{display:flex;justify-content:space-between;padding:6px 0;border-top:1px dashed rgba(255,255,255,0.02)}
.fact-label{color:var(--muted)}

.content-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.content-card{background:var(--panel);padding:16px;border-radius:12px}

.details-accordion summary{cursor:pointer;padding:12px;background:transparent;border-radius:8px}
.details-accordion .doc-body{padding:12px 0}

.pubs{margin:0;padding:0;color:var(--muted);line-height:1.7}
.pubs li{padding:12px 0;border-top:1px solid rgba(255,255,255,0.04);}
.pubs li:first-child{border-top:0;padding-top:0}
.pub-more{display:block;max-height:0;overflow:hidden;transition:max-height .36s ease}
.pub-more.open{max-height:2000px}

.people-grid{display:flex;flex-wrap:wrap;gap:8px}
.person-card{background:transparent;border:1px solid rgba(255,255,255,0.04);padding:10px;border-radius:8px;color:var(--text);cursor:pointer}

/* People grid and cards */
.people-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:8px 0 18px}
.person-card{display:flex;gap:12px;align-items:flex-start;background:var(--panel);padding:14px;border-radius:12px;border:1px solid var(--border)}
.person-card .profile-photo{width:84px;height:84px;border-radius:8px;object-fit:cover}
.person-body{flex:1}
.person-name{font-weight:800;margin-bottom:4px}
.person-role{color:var(--muted);font-size:0.95rem;margin-bottom:6px}
.person-thesis{margin:6px 0;color:var(--muted);font-size:0.95rem}
.person-tags{display:flex;gap:6px;flex-wrap:wrap;margin-top:8px}
.person-links{margin-top:8px;color:var(--muted);font-weight:700}

@media (max-width:900px){
  .people-grid{grid-template-columns:1fr}
  .slider{height:220px}
  .hero-overlay__inner{padding:14px}
  .hero-title{font-size:18px}
  .hero-subtitle{font-size:14px}
  .hero-cta{padding:9px 12px}
}

.contact-grid{display:grid;grid-template-columns:1fr 320px;gap:20px}
.contact-card{padding:16px}

.grid{display:grid;gap:12px}
.grid-4{grid-template-columns:repeat(4,1fr)}

.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 14px;border-radius:10px;border:0;cursor:pointer}
.btn-primary{background:linear-gradient(90deg,var(--accent),var(--accent-2));color:#04111a}
.btn-ghost{background:transparent;border:1px solid rgba(255,255,255,0.04);color:var(--text)}
.btn-outline{background:transparent;border:1px solid rgba(255,255,255,0.06);color:var(--text);padding:8px 12px}

.mt-sm{margin-top:var(--space-sm)}
.mt-md{margin-top:var(--space-md)}
.mt-lg{margin-top:var(--space-lg)}

.footer{padding:18px 0;background:transparent;border-top:1px solid rgba(255,255,255,0.02);margin-top:40px}
.footer__inner{display:flex;justify-content:space-between;align-items:center}

.modal{position:fixed;inset:0;display:none;align-items:center;justify-content:center;background:rgba(3,6,10,0.6);padding:20px}
.modal[aria-hidden="false"]{display:flex}
.modal-panel{background:var(--panel);padding:18px;border-radius:14px;min-width:280px;max-width:720px;box-shadow:var(--shadow);position:relative}
.modal-close{position:absolute;right:12px;top:12px;border:0;background:transparent;color:var(--muted);cursor:pointer}
textarea#emailTemplate{width:100%;border-radius:8px;border:1px solid rgba(255,255,255,0.04);padding:12px;background:transparent;color:var(--text)}

.reveal{opacity:0;transform:translateY(10px);transition:opacity .56s ease,transform .56s ease}
.reveal.in-view{opacity:1;transform:none}

@media (max-width:900px){
  .about-grid{grid-template-columns:1fr}
  .content-grid{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .hamburger{display:inline-flex}
  .nav-menu{position:absolute;right:16px;top:68px;background:var(--panel);padding:12px;border-radius:10px;display:none}
  .nav-menu.open{display:block}
  .menu{flex-direction:column}
  .hero-inner{flex-direction:column}
}

@media (prefers-reduced-motion: reduce){
  .reveal, .pub-more, .site-header .container{transition:none}
}
:root {
  --bg: #070A12;
  --panel: rgba(255, 255, 255, 0.06);
  --panel-strong: rgba(255, 255, 255, 0.10);
  --border: rgba(255, 255, 255, 0.14);
  --text: rgba(255, 255, 255, 0.92);
  --muted: rgba(255, 255, 255, 0.70);
  --faint: rgba(255, 255, 255, 0.55);
  --accent: #7C5CFF;
  --accent-2: #12D6DF;
  --danger: #FF6B6B;

  --header-h: 72px;

  --radius: 16px;
  --radius-sm: 12px;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.45);

  --container: 1120px;
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Arial, "Noto Sans", "Liberation Sans", sans-serif;
}

* { box-sizing: border-box; }
html, body { height: 100%; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  padding-top: var(--header-h);
  background:
    radial-gradient(900px 420px at 10% 10%, rgba(124, 92, 255, 0.24), transparent 55%),
    radial-gradient(780px 380px at 90% 20%, rgba(18, 214, 223, 0.18), transparent 60%),
    radial-gradient(900px 420px at 30% 95%, rgba(124, 92, 255, 0.14), transparent 60%),
    var(--bg);
}

a { color: inherit; text-decoration: none; }
a:hover { text-decoration: underline; }

/* Ensure light theme variables override any earlier declarations */
html[data-theme='light']{
  --bg: #f6f8fa;
  --panel: linear-gradient(180deg, rgba(255,255,255,0.92), rgba(255,255,255,0.98));
  --panel-strong: rgba(0,0,0,0.04);
  --border: rgba(0,0,0,0.06);
  --muted: #52606d;
  --text: #071124;
  --accent: #006b6b;
  --accent-2: #4b2bff;
  --glass: rgba(9,12,16,0.03);
}

/* In light mode keep hero overlay text light to contrast images */
html[data-theme='light'] .hero-overlay__inner { color: #ffffff; }
html[data-theme='light'] .hero-title { color: #ffffff; text-shadow: 0 8px 24px rgba(0,0,0,0.35); }
html[data-theme='light'] .hero-subtitle { color: rgba(255,255,255,0.92); }
html[data-theme='light'] .hero-overlay::before{ background: linear-gradient(90deg, rgba(0,0,0,0.70) 0%, rgba(0,0,0,0.40) 45%, rgba(0,0,0,0.05) 100%); }

/* Light-theme overrides for rules that used white-based colors */
html[data-theme='light'] {
  /* Make general text dark */
  color-scheme: light;
}
html[data-theme='light'] body,
html[data-theme='light'] .card,
html[data-theme='light'] .card .lead,
html[data-theme='light'] .pubs,
html[data-theme='light'] .pubs li,
html[data-theme='light'] .person-card,
html[data-theme='light'] .person-body,
html[data-theme='light'] .person-name,
html[data-theme='light'] .person-role,
html[data-theme='light'] .person-thesis,
html[data-theme='light'] .person-links,
html[data-theme='light'] .fact-value,
html[data-theme='light'] .modal-panel,
html[data-theme='light'] textarea#emailTemplate,
html[data-theme='light'] .card .lead,
html[data-theme='light'] .brand,
html[data-theme='light'] .brand__title,
html[data-theme='light'] .lead,
html[data-theme='light'] .sub,
html[data-theme='light'] .about-copy p,
html[data-theme='light'] .contact-card p,
html[data-theme='light'] .doc__placeholderTitle,
html[data-theme='light'] .doc__placeholderText {
  color: var(--text) !important;
}

html[data-theme='light'] .fact-value a,
html[data-theme='light'] #docx-content a {
  color: var(--accent-2) !important;
}

html[data-theme='light'] .btn-ghost,
html[data-theme='light'] .btn-outline,
html[data-theme='light'] .filter-chip {
  border-color: var(--border) !important;
  background: transparent !important;
  color: var(--text) !important;
}

html[data-theme='light'] .filter-chip[aria-pressed='true'],
html[data-theme='light'] .filter-chip.on {
  color: #04111a !important;
}

html[data-theme='light'] .person-card { border-color: var(--border) !important; background: var(--panel) !important; }
html[data-theme='light'] .site-header { background: rgba(255,255,255,0.9) !important; border-bottom-color: var(--border) !important; }
html[data-theme='light'] .hamburger { background: rgba(0,0,0,0.03) !important; border-color: var(--border) !important; }


.container {
  width: min(var(--container), calc(100% - 40px));
  margin: 0 auto;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 10px;
  background: var(--panel-strong);
  border: 1px solid var(--border);
  padding: 10px 14px;
  border-radius: 10px;
}
.skip-link:focus { left: 10px; }

/* ===== Header (bioenergyarabia-inspired layout) ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  backdrop-filter: blur(14px);
  background: rgba(7, 10, 18, 0.70);
  border-bottom: 1px solid var(--border);
}

.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  gap: 14px;
}

.site-header.scrolled .header-row {
  padding: 10px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: 0.2px;
}

.brand__mark {
  width: 34px;
  height: 34px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(124, 92, 255, 0.95), rgba(18, 214, 223, 0.85));
  box-shadow: var(--shadow);
}

.brand__title { font-weight: 800; }

.hamburger {
  width: 44px;
  height: 40px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
  display: none;
  align-items: center;
  justify-content: center;
  gap: 4px;
  flex-direction: column;
}

.hamburger span {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.80);
}

.nav-menu .menu {
  list-style: none;
  display: flex;
  gap: 14px;
  padding: 0;
  margin: 0;
  align-items: center;
}

.nav-menu a {
  display: inline-flex;
  padding: 8px 10px;
  border-radius: 10px;
  color: var(--muted);
  font-weight: 700;
  letter-spacing: 0.08em;
  font-size: 12px;
}

.nav-menu a:hover {
  color: var(--text);
  background: var(--panel);
  text-decoration: none;
}

.nav-menu a[aria-current="page"] {
  color: var(--text);
  background: rgba(124, 92, 255, 0.14);
  border: 1px solid rgba(124, 92, 255, 0.22);
}

/* ===== Hero banner ===== */
.hero {
  padding: 18px 0 0;
}

.hero-banner {
  height: clamp(190px, 28vw, 320px);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  background:
    radial-gradient(680px 260px at 16% 30%, rgba(18, 214, 223, 0.25), transparent 60%),
    radial-gradient(740px 320px at 76% 20%, rgba(124, 92, 255, 0.28), transparent 62%),
    linear-gradient(135deg, rgba(255,255,255,0.06), rgba(255,255,255,0.02));
  position: relative;
  overflow: hidden;
}

.hero-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(300px 200px at 12% 78%, rgba(124, 92, 255, 0.22), transparent 62%),
    radial-gradient(280px 220px at 84% 72%, rgba(18, 214, 223, 0.16), transparent 66%);
}

.hero-banner::after {
  content: "MSCC Research Group";
  position: absolute;
  left: 18px;
  bottom: 16px;
  font-weight: 900;
  letter-spacing: -0.02em;
  font-size: clamp(22px, 4vw, 44px);
  text-shadow: 0 18px 40px rgba(0, 0, 0, 0.55);
}

/* ===== Cards ===== */
.cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin: 18px 0 4px;
}

.card {
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
  box-shadow: var(--shadow);
  padding: 18px;
}

.card h3 {
  margin: 0 0 10px 0;
  font-size: 16px;
}

.card .lead {
  margin: 0 0 6px 0;
  color: rgba(255, 255, 255, 0.86);
  font-weight: 700;
}

.card .sub {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

/* ===== Sections ===== */
.section { padding: 30px 0; }

.section-title {
  margin: 0 0 14px 0;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 14px;
  color: rgba(18, 214, 223, 0.92);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  align-items: stretch;
}

.about-copy {
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
  box-shadow: var(--shadow);
  padding: 20px;
}

/* Make about copy and panel share equal height and stretch */
.about-copy, .about-panel {
  min-height: 240px;
}

.about-copy p { margin: 0 0 14px 0; color: var(--muted); line-height: 1.7; }

.about-panel {
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
  box-shadow: var(--shadow);
  padding: 20px;
  display: grid;
  gap: 12px;
}

.profile-name {
  font-weight: 900;
  letter-spacing: -0.01em;
  font-size: 18px;
}

.profile-top {
  display: flex;
  align-items: center;
  gap: 12px;
}

.profile-photo {
  width: 72px;
  height: 72px;
  border-radius: 999px;
  object-fit: cover;
  border: 2px solid rgba(255, 255, 255, 0.18);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.45);
  background: rgba(255, 255, 255, 0.04);
}

.profile-role {
  color: var(--muted);
  margin-top: -6px;
  font-weight: 650;
}

.profile-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 6px 0 2px;
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.04);
  color: var(--muted);
  font-weight: 650;
  font-size: 12px;
}

.profile-block {
  margin-top: 6px;
  display: grid;
  gap: 10px;
}

.fact {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.10);
  padding-bottom: 10px;
}

.fact:last-child { border-bottom: 0; padding-bottom: 0; }

.fact-label { color: var(--faint); text-transform: uppercase; letter-spacing: 0.12em; font-size: 11px; }
.fact-value { color: rgba(255,255,255,0.86); font-weight: 650; text-align: right; }
.fact-value a { color: rgba(18, 214, 223, 0.92); }

.cta-row { display: flex; flex-wrap: wrap; gap: 10px; margin: 4px 0 12px; }

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 14px;
  border-radius: 12px;
  border: 1px solid rgba(124, 92, 255, 0.65);
  color: var(--text);
  font-weight: 700;
  background: linear-gradient(135deg, rgba(124, 92, 255, 0.92), rgba(18, 214, 223, 0.55));
}

.btn-primary:hover { text-decoration: none; filter: brightness(1.04); }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  color: var(--muted);
  background: rgba(255,255,255,0.04);
  font-weight: 700;
}

.btn-ghost:hover { text-decoration: none; background: rgba(255,255,255,0.06); color: var(--text); }

.small { margin: 0; color: var(--faint); font-size: 13px; }

.content-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 0 0 14px;
}

/* Make the research section use full width so single card doesn't leave an empty column */
#research .content-grid {
  grid-template-columns: 1fr;
}

.content-card {
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
  box-shadow: var(--shadow);
  padding: 18px;
}

.content-card h3 { margin: 0 0 10px; }
.research-cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 14px;
}

.research-mini-card {
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: 18px;
  padding: 18px;
  background: rgba(255,255,255,0.04);
  box-shadow: 0 10px 30px rgba(0,0,0,0.25);
  transition: transform 200ms ease, border-color 200ms ease, background 200ms ease;
}

.research-mini-card:hover {
  transform: translateY(-2px);
  border-color: rgba(255,255,255,0.18);
  background: rgba(255,255,255,0.06);
}

.research-mini-card h4 {
  margin: 0 0 8px 0;
  font-size: 16px;
  letter-spacing: 0.2px;
}

.research-mini-card p {
  margin: 0;
  opacity: 0.85;
  line-height: 1.6;
  font-size: 14px;
}

@media (max-width: 900px) {
  .research-cards { grid-template-columns: 1fr; }
}

.bullets {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.7;
}

.bullets li { margin: 0 0 10px; }

.pubs {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.7;
}

.pubs li { margin: 0 0 12px; }

.doc h3 {
  margin: 0 0 12px;
  font-size: 16px;
}

.pub-filters{display:flex;gap:8px;flex-wrap:wrap;margin:8px 0 12px}
.filter-chip{padding:6px 10px;border-radius:999px;border:1px solid var(--border);background:rgba(255,255,255,0.03);color:var(--muted);font-weight:700;cursor:pointer;font-size:13px}
.filter-chip[aria-pressed="true"],.filter-chip.on{background:linear-gradient(90deg,var(--accent),var(--accent-2));color:#04111a;border-color:rgba(124,92,255,0.22)}


.doc p {
  margin: 0 0 14px;
  color: var(--muted);
  line-height: 1.7;
}

.toc-row {
  display: flex;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
  margin: 0 0 12px;
}

.toc-row__label {
  color: var(--faint);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 11px;
}

.toc-row__items {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.toc-row__items a {
  display: inline-flex;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.04);
  color: var(--muted);
  font-weight: 650;
  font-size: 12px;
}

.toc-row__items a:hover {
  text-decoration: none;
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
}

.toc-row__empty { color: var(--faint); font-size: 13px; }

.doc {
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
  padding: 22px;
  box-shadow: var(--shadow);
  min-height: 220px;
}

.doc__placeholder {
  display: flex;
  gap: 14px;
  align-items: center;
  color: var(--muted);
}

.doc__placeholderTitle { font-weight: 700; color: var(--text); }
.doc__placeholderText { margin-top: 4px; color: var(--muted); font-size: 13px; }

.spinner {
  width: 22px;
  height: 22px;
  border-radius: 999px;
  border: 3px solid rgba(255, 255, 255, 0.20);
  border-top-color: rgba(18, 214, 223, 0.70);
  animation: spin 900ms linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* Styles for rendered DOCX HTML */
#docx-content h1, #docx-content h2, #docx-content h3 {
  margin: 18px 0 10px;
  letter-spacing: -0.01em;
}

#docx-content h1 { font-size: 22px; }
#docx-content h2 { font-size: 18px; color: var(--text); }
#docx-content h3 { font-size: 15px; color: var(--muted); }

#docx-content p { margin: 10px 0; color: var(--muted); line-height: 1.7; }
#docx-content ul, #docx-content ol { margin: 10px 0 10px 20px; color: var(--muted); line-height: 1.7; }
#docx-content a { color: rgba(18, 214, 223, 0.92); }

#docx-content hr {
  border: 0;
  border-top: 1px solid var(--border);
  margin: 18px 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.contact-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.04);
  box-shadow: var(--shadow);
  padding: 18px;
}

.contact-card h3 { margin: 0 0 8px; }
.contact-card p { margin: 0 0 12px; color: var(--muted); line-height: 1.7; }

.contact-item strong { display: block; color: var(--faint); text-transform: uppercase; letter-spacing: 0.12em; font-size: 11px; }
.contact-item div { margin-top: 6px; font-weight: 650; }

.footer {
  border-top: 1px solid var(--border);
  margin-top: 28px;
  padding: 18px 0;
  color: var(--faint);
}

.footer__inner { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.footer__right { color: var(--muted); }

@media (max-width: 920px) {
  .cards { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  .content-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .hamburger { display: inline-flex; }

  .nav-menu {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    padding: 10px 0 14px;
    border-bottom: 1px solid var(--border);
    background: rgba(7, 10, 18, 0.92);
    display: none;
  }

  .nav-menu.open { display: block; }

  .nav-menu .menu {
    width: min(var(--container), calc(100% - 40px));
    margin: 0 auto;
    display: grid;
    gap: 8px;
  }

  .nav-menu a { width: 100%; justify-content: flex-start; }
}