:root {
    /* Light body (warm neutrals) */
    --bg: #fbf9f9;
    --bg-alt: #f5efef;
    --card: #ffffff;
    --border: #ece3e4;
    --border-strong: #dccdcf;
    --text: #2a1f22;
    --text-dim: #6e5b5f;
    --heading: #1c1114;
    /* Dark hero / footer (warm plum-black) */
    --dark: #180a0e;
    --dark-2: #22151a;
    --dark-text: #ecdfe0;
    --dark-dim: #b199a0;
    /* Accent: distinctive deep crimson + warm amber */
    --accent: #b41f35;
    --accent-dark: #8f1728;
    --accent-soft: #f8e8eb;
    --coral: #e08a3c;
    --glow: rgba(180, 31, 53, 0.32);
    /* Metadata face. Dates, years, tags and labels are set in mono: it reads as a lab
       that works with sequences and data, and it avoids the uppercase letterspaced
       label that every template on the web uses. */
    --mono: 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
    /* Reading text is serif (Newsreader). The sans is kept for interface chrome only:
       nav, buttons, small labels. Serif for prose, sans for controls. */
    --sans: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 92px; }

body {
    font-family: 'Literata', Georgia, 'Times New Roman', serif;
    font-size: 1.02rem;
    background: var(--bg);
    color: var(--text);
    line-height: 1.72;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

h1, h2, h3, .serif { font-family: 'Newsreader', Georgia, serif; }

/* Interface elements stay sans: controls should not look like prose. */
nav#nav .links a, .btn, .card-more, .expand, .profile-link, .back-link,
.person .info .role, .facts li b, footer .foot-links a, .nav-toggle {
    font-family: var(--sans);
}

a { color: var(--accent-dark); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--accent); }

.container { max-width: 1140px; margin: 0 auto; padding: 0 1.5rem; }
.section { padding: 6rem 0; position: relative; }
.section-alt { background: rgba(143, 23, 40, 0.035); }

/* Full-page particle background (behind content, shows through light sections) */
#bg-canvas { position: fixed; inset: 0; z-index: -1; pointer-events: none; }

.section h2 {
    font-size: clamp(1.9rem, 4vw, 2.6rem); font-weight: 500;
    color: var(--heading); line-height: 1.15; letter-spacing: -0.01em;
    margin-bottom: 1rem;
}
.section .lead {
    font-size: 1.16rem; color: var(--text-dim); max-width: 620px;
}
.section-head { margin-bottom: 3rem; max-width: 720px; }

/* Nav. Scoped to #nav: a bare `nav {}` here would capture any other <nav> on a page. */
nav#nav {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    background: rgba(251, 251, 250, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid transparent;
    transition: border-color 0.3s, background 0.3s;
}
nav#nav.scrolled {
    background: rgba(251, 251, 250, 0.92);
    border-bottom-color: var(--border);
    box-shadow: 0 6px 28px -18px rgba(24,10,14,0.55);
}
nav#nav .container {
    display: flex; align-items: center; justify-content: space-between;
    height: 74px;
}
nav#nav .brand { display: flex; align-items: center; }
/* The real wordmark, tagline removed (see logo-wordmark.svg). The tagline would render
   about four pixels tall here and be illegible, and setting the name in a different
   typeface from the logo was a brand inconsistency. */
/* Two stacked SVGs sharing one viewBox: the wordmark with a gap where the virus goes,
   and the virus on its own. Split so the virus can spin on hover without inlining the
   whole 96KB logo into every page. transform-origin is the virus's own centre, measured
   by the build script, so it turns on the spot rather than orbiting the image centre. */
nav#nav .brand .brand-logo {
    position: relative; display: block; height: 54px;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
nav#nav .brand .brand-logo img { height: 100%; width: auto; display: block; }
nav#nav .brand .brand-virus {
    position: absolute; inset: 0;
    transform-origin: 43.67% 70.76%;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}
nav#nav .brand:hover .brand-logo { transform: scale(1.03); }
nav#nav .brand:hover .brand-virus { transform: rotate(90deg); }

nav#nav .links { display: flex; gap: 1.9rem; align-items: center; }
nav#nav .links a.nav-link {
    position: relative; padding: 0.45rem 0;
    color: var(--text); font-size: 0.93rem; font-weight: 500;
    letter-spacing: 0.005em; transition: color 0.2s;
}
nav#nav .links a.nav-link::after {
    content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 2px;
    background: var(--accent); border-radius: 4px;
    transform: scaleX(0); transform-origin: center;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
nav#nav .links a.nav-link:hover { color: var(--accent); }
nav#nav .links a.nav-link:hover::after,
nav#nav .links a.nav-link.active::after { transform: scaleX(1); }
nav#nav .links a.nav-link.active { color: var(--accent-dark); font-weight: 600; }

nav#nav .links a.nav-cta {
    background: var(--accent); color: #fff; padding: 0.58rem 1.25rem;
    border-radius: 10px; font-weight: 600; font-size: 0.93rem;
    box-shadow: 0 6px 18px -8px rgba(180,31,53,0.7);
    transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
}
nav#nav .links a.nav-cta:hover {
    background: var(--accent-dark); color: #fff;
    transform: translateY(-1px); box-shadow: 0 10px 24px -8px rgba(180,31,53,0.85);
}
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; color: var(--heading); }

/* Hero (dark) */
.hero {
    background: var(--dark);
    background-image:
        radial-gradient(ellipse 80% 60% at 70% 20%, rgba(180,31,53,0.28), transparent 60%),
        radial-gradient(ellipse 60% 50% at 15% 90%, rgba(224,138,60,0.12), transparent 60%);
    color: var(--dark-text);
    min-height: 92vh; display: flex; align-items: center;
    position: relative; overflow: hidden;
    padding: 7rem 0 5rem;
}
#hero-canvas { position: absolute; inset: 0; z-index: 1; pointer-events: none; }
.hero .container { position: relative; z-index: 2; }
.hero .hero-container { max-width: 1400px; width: 100%; }
.hero .hero-grid {
    display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: clamp(2.5rem, 5vw, 5rem); align-items: center;
}
.hero .hero-brand { display: flex; justify-content: center; }
.hero .hero-mark {
    /* The wordmark is a wide single-line lockup (about 3.1:1), so it needs more width
       than the old two-line version to carry the same visual weight in the hero. */
    width: 100%; max-width: 660px; height: auto; display: block;
    filter: drop-shadow(0 12px 30px rgba(180,31,53,0.28));
}
.hero .kicker {
    display: inline-flex; align-items: center; gap: 0.5rem;
    font-size: 0.82rem; font-weight: 500; letter-spacing: 0.04em;
    color: var(--dark-dim); border: 1px solid rgba(255,255,255,0.12);
    padding: 0.35rem 0.9rem; border-radius: 100px; margin-bottom: 1.8rem;
}
.hero .kicker .qub-logo { height: 22px; width: auto; display: block; }
.hero h1 {
    font-size: clamp(2.1rem, 4.6vw, 3.5rem); font-weight: 500;
    line-height: 1.12; letter-spacing: -0.015em; color: #fff;
    max-width: 24ch; margin-bottom: 1.6rem;
}
.hero h1 em { font-style: normal; color: var(--accent); }
.hero .sub {
    font-size: 1.14rem; color: var(--dark-dim); max-width: 680px;
    font-weight: 300; margin-bottom: 2.4rem; line-height: 1.75;
}
.hero .cta-group { display: flex; gap: 1rem; flex-wrap: wrap; }

.btn {
    display: inline-flex; align-items: center; gap: 0.5rem;
    padding: 0.85rem 1.7rem; border-radius: 10px;
    font-weight: 600; font-size: 0.95rem; cursor: pointer;
    transition: all 0.2s; border: 1px solid transparent;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); color: #fff; box-shadow: 0 8px 24px -8px var(--glow); transform: translateY(-1px); }
.btn-ghost { background: transparent; color: var(--dark-text); border-color: rgba(255,255,255,0.18); }
.btn-ghost:hover { border-color: rgba(255,255,255,0.4); background: rgba(255,255,255,0.04); color: #fff; }
.btn-outline { background: var(--card); color: var(--heading); border-color: var(--border-strong); }
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }

.hero .qub-badge { display: inline-block; margin-bottom: 1.8rem; }
.hero .qub-badge img { height: 30px; width: auto; display: block; opacity: 0.96; }
.hero .affil {
    margin-top: 3.5rem; display: flex; gap: 2.5rem; flex-wrap: wrap; align-items: center;
    font-size: 0.85rem; color: var(--dark-dim);
    border-top: 1px solid rgba(255,255,255,0.08); padding-top: 1.8rem;
}
.hero .affil .affil-logo { height: 68px; width: auto; opacity: 1; }
.hero .affil .affil-sobs { height: 58px; }

/* Research cards */
.grid { display: grid; gap: 1.25rem; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

.theme-card {
    background: var(--card); border: 1px solid var(--border);
    border-radius: 14px; padding: 1.8rem;
    transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}
.theme-card:hover, .theme-card.reveal.in:hover { transform: translateY(-4px); box-shadow: 0 18px 40px -20px rgba(15,30,36,0.25); border-color: var(--border-strong); }
.theme-card h3 { font-size: 1.22rem; font-weight: 600; color: var(--heading); margin-bottom: 0.6rem; }
.theme-card h3::after {
    content: ''; display: block; width: 34px; height: 2px; border-radius: 4px;
    background: var(--accent); margin: 0.7rem 0 0.9rem;
}
.theme-card p { font-size: 0.99rem; color: var(--text-dim); }
a.theme-card { display: flex; flex-direction: column; text-decoration: none; }
a.theme-card p { flex: 1; }
.theme-card .card-more {
    display: block; margin-top: 1.1rem; font-size: 0.88rem;
    font-weight: 600; color: var(--accent); opacity: 0; transform: translateX(-4px);
    transition: opacity 0.2s, transform 0.2s;
}
a.theme-card:hover .card-more { opacity: 1; transform: none; }

/* Who we are (home teaser, photo beside the copy) */
.about-split { display: grid; grid-template-columns: 1fr 1fr; gap: 3.5rem; align-items: center; }
.about-photo { border-radius: 14px; overflow: hidden; border: 1px solid var(--border); box-shadow: 0 24px 50px -30px rgba(15,30,36,0.4); }
.about-photo img { width: 100%; display: block; }

/* Research page: editorial masthead + contained pillar cards */
.research-head { padding-bottom: 2.4rem; border-bottom: 1px solid var(--border); }
.research-masthead {
    display: grid; grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: clamp(2rem, 5vw, 4rem); align-items: start;
}
.research-masthead h1 {
    margin: 0; font-size: clamp(2.4rem, 5.5vw, 3.7rem);
    line-height: 1.02; letter-spacing: -0.025em;
}
.research-masthead .lead { margin: 0.5rem 0 0; max-width: 58ch; }

/* Four pillars as a compact 2x2 grid. Each card: title, one paragraph, then the
   questions BELOW (not in a side column, which left a large void beside short text).
   Cards in a row stretch to equal height; the questions follow the paragraph
   directly (pinning them to the bottom left a gap mid-card in the shorter ones). */
.pillar-stack { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.25rem; }
.pillar-card {
    /* Crimson gradient with its own particle field, echoing the home-page hero, so
       the cards stand out against the light page. */
    background-image:
        radial-gradient(ellipse 70% 55% at 85% 10%, rgba(232,85,106,0.35), transparent 60%),
        radial-gradient(ellipse 60% 50% at 10% 100%, rgba(224,138,60,0.18), transparent 60%),
        linear-gradient(150deg, #a01b30 0%, #7d1426 45%, #3a0d17 100%);
    border-radius: 14px; padding: 2rem 2.1rem 1.8rem;
    box-shadow: 0 26px 60px -40px rgba(24,10,14,0.7);
    scroll-margin-top: 96px;
    display: flex; flex-direction: column;
    position: relative; overflow: hidden; color: #fff;
}
.pillar-canvas { position: absolute; inset: 0; z-index: 0; pointer-events: none; }
.pillar-card > :not(.pillar-canvas) { position: relative; z-index: 1; }
.pillar-card-head { margin-bottom: 1.1rem; }
.pillar-card-head h2 {
    font-size: clamp(1.5rem, 2.2vw, 1.85rem); font-weight: 500;
    color: #fff; letter-spacing: -0.015em; margin: 0;
}
.pillar-card-head h2::after {
    content: ''; display: block; width: 40px; height: 3px; border-radius: 4px;
    background: var(--coral); margin-top: 0.7rem;
}
.pillar-lead {
    font-size: 1.1rem; line-height: 1.65; color: var(--text);
    margin-top: 1rem; font-weight: 400;
}
.pillar-body-grid { display: flex; flex-direction: column; flex: 1; }
.pillar-text p { color: rgba(255,255,255,0.88); line-height: 1.75; margin-bottom: 1rem; }
.pillar-text p:last-child { margin-bottom: 0; }

.pillar-questions { padding-top: 1.3rem; }
.pillar-questions::before {
    content: ''; display: block; border-top: 1px solid rgba(255,255,255,0.2); margin: 0 0 1rem;
}
.pillar-questions h3 {
    font-family: var(--mono); font-size: 0.76rem; text-transform: none;
    letter-spacing: 0; color: #f3b878; font-weight: 500; margin-bottom: 0.6rem;
}
.pillar-questions ul { list-style: none; display: flex; flex-direction: column; gap: 0.35rem; }
.pillar-questions li {
    position: relative; color: rgba(255,255,255,0.88); font-size: 0.95rem; line-height: 1.55;
    padding-left: 1rem;
}
.pillar-questions li::before {
    content: ''; position: absolute; left: 0; top: 0.62em;
    width: 5px; height: 5px; border-radius: 50%; background: var(--coral);
}

/* How it fits together */
.together-grid { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.65fr); gap: 3rem; align-items: start; }
.together-grid p { color: var(--text-dim); line-height: 1.82; margin-bottom: 1.15rem; }
.together-cta {
    background: var(--card); border: 1px solid var(--border);
    border-radius: 14px; padding: 1.8rem; position: sticky; top: 100px;
}
.together-cta h3 { font-size: 1.15rem; color: var(--heading); font-weight: 600; margin-bottom: 0.6rem; }
.together-cta p { font-size: 0.99rem; margin-bottom: 1.3rem; }
.together-cta .cta-group { flex-direction: column; align-items: stretch; gap: 0.6rem; }
.together-cta .btn { justify-content: center; }

/* Publications page (grouped by year) */
.pub-year { margin-bottom: 2.5rem; }
.pub-year .year-head {
    font-size: 1.5rem; color: var(--accent-dark); font-weight: 500;
    padding-bottom: 0.6rem; border-bottom: 2px solid var(--accent-soft); margin-bottom: 0.5rem;
}
.pub-year .pub { grid-template-columns: 1fr; gap: 0; }
.pub-year .pub-list { max-width: 900px; }

/* Lab alumni */
.alumni h2 { margin-bottom: 0.5rem; }
.alumni-intro { color: var(--text-dim); margin-bottom: 1.6rem; max-width: 60ch; }
.alumni-list { list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.2rem 2.5rem; }
.alumni-list li {
    display: flex; flex-direction: column; gap: 0.1rem;
    padding: 0.7rem 0; border-bottom: 1px solid var(--border);
}
.alumni-list .alum-name { color: var(--heading); font-weight: 600; font-size: 1rem; }
.alumni-list .alum-role { font-family: var(--mono); font-size: 0.78rem; color: var(--accent-dark); }
.alumni-list .alum-note { font-size: 0.9rem; color: var(--text-dim); margin-top: 0.15rem; }

/* Lab bio band */
.labbio {
    display: grid; grid-template-columns: 1.4fr 1fr; gap: 3rem;
    align-items: center;
}
.labbio .portrait {
    aspect-ratio: 4/5; border-radius: 14px; overflow: hidden;
    background: linear-gradient(135deg, var(--dark-2), var(--accent-dark));
    display: flex; align-items: center; justify-content: center;
    color: rgba(255,255,255,0.5); font-size: 0.85rem; text-align: center; padding: 1rem;
}
.labbio .portrait img { width: 100%; height: 100%; object-fit: cover; }
.labbio p { margin-bottom: 1rem; color: var(--text-dim); }
.labbio p:first-of-type { font-size: 1.1rem; color: var(--text); }

/* People grid */
.people { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.person {
    background: var(--card); border: 1px solid var(--border);
    border-radius: 14px; overflow: hidden; cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}
.person:hover { transform: translateY(-3px); box-shadow: 0 18px 40px -22px rgba(15,30,36,0.3); }
.person .photo {
    aspect-ratio: 1/1; background: linear-gradient(135deg, #f5dde1, #e9c3ca);
    display: flex; align-items: center; justify-content: center;
    color: var(--accent-dark); font-family: 'Newsreader', serif; font-size: 2.4rem;
}
.person .photo img { width: 100%; height: 100%; object-fit: cover; object-position: center 20%; }
.person .info { padding: 1.2rem 1.3rem 1.4rem; }
.person .info .name { font-weight: 600; color: var(--heading); font-size: 1.08rem; }
.person .info .role { font-size: 0.85rem; color: var(--accent-dark); font-weight: 500; margin-top: 0.15rem; }
.person .info .bio { font-size: 0.95rem; color: var(--text-dim); margin-top: 0.8rem; display: none; }
.person .info .bio p { margin-bottom: 0.6rem; }
.person .info .project { font-size: 0.9rem; color: var(--text); margin-top: 0.7rem; display: none; }
.person .info .project b { color: var(--accent-dark); font-weight: 600; }
.person .info .project .funders { display: block; margin-top: 0.3rem; font-size: 0.8rem; color: var(--text-dim); }
.person .info .fun { font-size: 0.9rem; color: var(--text); margin-top: 0.7rem; display: none; }
.person .info .fun b { color: var(--accent-dark); font-weight: 600; }
.person.open .info .bio, .person.open .info .fun, .person.open .info .project { display: block; }
.person .info .profile-link { display: none; margin-top: 0.9rem; font-size: 0.82rem; font-weight: 600; color: #fff; background: var(--accent); padding: 0.45rem 0.95rem; border-radius: 14px; }
.person .info .profile-link:hover { background: var(--accent-dark); color: #fff; }
.person.open .info .profile-link { display: inline-block; }
.person .expand { font-size: 0.8rem; color: var(--accent-dark); font-weight: 600; margin-top: 0.8rem; }
.person.open .expand::after { content: ' \2212'; }
.person:not(.open) .expand::after { content: ' +'; }

/* News */
.news-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.news-card {
    background: var(--card); border: 1px solid var(--border);
    border-radius: 14px; padding: 1.6rem; transition: border-color 0.2s, transform 0.2s;
    display: flex; flex-direction: column;
}
.news-card:hover { border-color: var(--border-strong); transform: translateY(-3px); }
.news-card .date { font-family: var(--mono); font-size: 0.78rem; color: var(--accent-dark); font-weight: 500; letter-spacing: 0; }
.news-card h3 { font-size: 1.12rem; font-weight: 600; color: var(--heading); margin: 0.5rem 0 0.6rem; line-height: 1.3; }
.news-card p { font-size: 0.97rem; color: var(--text-dim); }
.news-card .tag {
    align-self: flex-start; margin-top: 1rem;
    font-family: var(--mono); font-size: 0.72rem; font-weight: 500;
    text-transform: none; letter-spacing: 0;
    background: var(--accent-soft); color: var(--accent-dark);
    padding: 0.2rem 0.6rem; border-radius: 14px;
}

/* Publications */
.pub-list { display: flex; flex-direction: column; gap: 0; max-width: 900px; }
.pub {
    padding: 1.3rem 0; border-bottom: 1px solid var(--border);
    display: grid; grid-template-columns: 70px 1fr; gap: 1.5rem; align-items: baseline;
}
.pub .year { font-family: var(--mono); font-size: 0.95rem; color: var(--accent-dark); font-weight: 500; padding-top: 0.15rem; }
.pub .meta .title { font-weight: 600; color: var(--heading); }
.pub .meta .authors { font-size: 0.9rem; color: var(--text-dim); margin-top: 0.2rem; }
.pub .meta .venue { font-size: 0.88rem; color: var(--text-dim); font-style: italic; margin-top: 0.15rem; }

/* Equality, diversity and inclusion */
.edi-copy { max-width: 760px; }
.edi-copy p { color: var(--text-dim); margin-bottom: 1.1rem; line-height: 1.8; }
.edi-copy a { color: var(--accent); font-weight: 500; }
.edi-copy a:hover { color: var(--accent-dark); text-decoration: underline; }
.edi-foot {
    margin-top: 2.5rem; padding-top: 1.4rem; border-top: 1px solid var(--border);
    font-size: 0.95rem; color: var(--text-dim); max-width: 84ch;
    display: flex; align-items: center; gap: 1.6rem;
}
.edi-foot p { margin: 0; }
/* The award belongs to the School, not the lab, so the mark must stay beside the
   sentence that says so rather than standing on its own anywhere. */
.edi-badge { width: 130px; height: auto; flex-shrink: 0; }
@media (max-width: 600px) {
.edi-foot { flex-direction: column; align-items: flex-start; gap: 1.1rem; }
}
.edi-foot a { color: var(--accent); font-weight: 500; }
.edi-foot a:hover { color: var(--accent-dark); text-decoration: underline; }

/* Where we are */
.place { display: grid; grid-template-columns: 1fr 1fr; gap: 2.5rem; align-items: center; }
.place .map {
    aspect-ratio: 16/11; border-radius: 14px; overflow: hidden; border: 1px solid var(--border);
}
.place .map iframe { width: 100%; height: 100%; border: 0; }
.place .facts { list-style: none; margin-top: 1.5rem; }
.place .facts li { padding: 0.6rem 0; border-bottom: 1px solid var(--border); display: flex; gap: 0.8rem; }
.place .facts li b { color: var(--heading); min-width: 110px; }

/* Join / Contact (dark) */
.join {
    background: var(--dark);
    background-image: radial-gradient(ellipse 70% 60% at 80% 10%, rgba(180,31,53,0.20), transparent 60%);
    color: var(--dark-text);
}
.join h2 { color: #fff; }
.join .lead { color: var(--dark-dim); }
.join .contact-grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: 3rem; margin-top: 2.5rem; }
.join .contact-card {
    background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.1);
    border-radius: 14px; padding: 1.6rem;
}
.join .contact-card h3 { color: #fff; font-size: 1.1rem; margin-bottom: 0.8rem; }
.join .contact-row { display: flex; gap: 0.7rem; padding: 0.5rem 0; color: var(--dark-dim); font-size: 0.99rem; }
.join .contact-row a { color: var(--dark-text); }
.join .contact-row a:hover { color: var(--accent); }
.join .socials { display: flex; gap: 0.8rem; margin-top: 1rem; }
.join .socials a {
    width: 40px; height: 40px; border-radius: 10px; display: flex; align-items: center; justify-content: center;
    background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1); color: var(--dark-text);
}
.join .socials a:hover { background: var(--accent); border-color: var(--accent); color: #fff; }

/* Footer */
footer {
    background: var(--dark-2); color: var(--dark-dim);
    padding: 2.5rem 0; font-size: 0.88rem;
    border-top: 1px solid rgba(255,255,255,0.06);
}
footer .container { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1.5rem; align-items: center; }
footer a { color: var(--dark-text); }
footer .foot-links { display: flex; flex-direction: column; gap: 0.5rem; align-items: flex-end; font-size: 0.9rem; }
footer .foot-links a:hover { color: #fff; text-decoration: underline; }
footer .foot-logo { height: 68px; width: auto; display: block; margin-bottom: 0.6rem; }

/* Lab group banner */
.lab-banner { margin-top: 2.8rem; border-radius: 14px; overflow: hidden; border: 1px solid var(--border); }
.lab-banner img { width: 100%; display: block; }

/* Lab life gallery */
.gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.gallery img { width: 100%; aspect-ratio: 4/3; object-fit: cover; border-radius: 14px; border: 1px solid var(--border); transition: transform 0.25s, box-shadow 0.25s; }
.gallery img:hover { transform: translateY(-3px) scale(1.01); box-shadow: 0 18px 40px -22px rgba(28,17,20,0.4); }

/* Individual profile page */
.back-link { display: inline-block; margin-bottom: 2rem; font-size: 0.9rem; font-weight: 600; }
.profile-head { display: flex; gap: 1.8rem; align-items: center; margin-bottom: 2rem; }
.profile-photo { width: 130px; height: 130px; border-radius: 14px; overflow: hidden; flex-shrink: 0; background: linear-gradient(135deg, #f5dde1, #e9c3ca); display: flex; align-items: center; justify-content: center; color: var(--accent-dark); font-family: 'Newsreader', serif; font-size: 2.6rem; }
.profile-photo img { width: 100%; height: 100%; object-fit: cover; object-position: center 20%; }
.profile-name { font-size: clamp(1.8rem, 4vw, 2.4rem); color: var(--heading); font-weight: 500; line-height: 1.1; }
.profile-role { color: var(--accent-dark); font-weight: 600; margin-top: 0.3rem; }
.profile-start { font-family: var(--mono); color: var(--text-dim); font-size: 0.85rem; margin-top: 0.4rem; }
.profile-body { color: var(--text-dim); font-size: 1.09rem; }
.profile-body p { margin-bottom: 1rem; }
.project-block { margin-top: 1.5rem; background: var(--bg-alt); border: 1px solid var(--border); border-radius: 14px; padding: 1.2rem 1.4rem; font-size: 0.99rem; color: var(--text); }
.project-block b { color: var(--accent-dark); }
.project-block span { display: block; margin-top: 0.4rem; font-size: 0.9rem; color: var(--text-dim); }
.profile-sections { margin-top: 2.6rem; }
.profile-section { padding-top: 2rem; border-top: 1px solid var(--border); margin-bottom: 2.4rem; }
.profile-section h2 {
    font-size: 1.45rem; font-weight: 500; color: var(--heading); margin-bottom: 1rem;
}
.profile-section p { color: var(--text-dim); margin-bottom: 1rem; line-height: 1.8; }
.profile-section p strong { color: var(--heading); font-weight: 600; }
.profile-section ul { list-style: none; margin: 0.4rem 0 1.2rem; }
.profile-section li {
    color: var(--text-dim); line-height: 1.7; padding: 0.3rem 0 0.3rem 1.3rem;
    position: relative;
}
.profile-section li::before {
    content: ''; position: absolute; left: 0; top: 0.95em;
    width: 7px; height: 1px; background: var(--accent);
}
.profile-section em { font-style: italic; }
.profile-section a { color: var(--accent); font-weight: 500; }
.profile-section a:hover { color: var(--accent-dark); text-decoration: underline; }
.profile-outside { margin-top: 1.2rem; color: var(--text); }
.profile-outside b { color: var(--accent-dark); }
.profile-links { margin-top: 1.8rem; display: flex; gap: 0.8rem; flex-wrap: wrap; }

/* Conference talks grid (captioned) */
.talks { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
.talks figure { background: var(--card); border: 1px solid var(--border); border-radius: 14px; overflow: hidden; transition: transform 0.2s, box-shadow 0.2s; }
.talks figure:hover { transform: translateY(-3px); box-shadow: 0 18px 40px -22px rgba(28,17,20,0.35); }
.talks img { width: 100%; aspect-ratio: 4/3; object-fit: cover; object-position: center top; display: block; }
.talks figcaption { padding: 0.85rem 1rem; font-size: 0.9rem; color: var(--text-dim); line-height: 1.5; }
.talks figcaption b { color: var(--heading); font-weight: 600; }
.talks.talks-4 { grid-template-columns: repeat(4, 1fr); }

/* Feature image (e.g. on People page) */
.feature { max-width: 760px; margin: 2rem auto 0; border-radius: 14px; overflow: hidden; border: 1px solid var(--border); background: var(--card); }
.feature img { width: 100%; display: block; }
.feature figcaption { padding: 1rem 1.3rem; font-size: 0.95rem; color: var(--text-dim); }

/* News archive page */
.page-head { padding: 8rem 0 2.5rem; }
.page-head h1 { font-size: clamp(2.2rem, 5vw, 3rem); color: var(--heading); font-weight: 500; }
.timeline { padding-bottom: 6rem; max-width: 840px; }
.timeline .item { padding: 2rem 0; border-top: 1px solid var(--border); display: grid; grid-template-columns: 130px 1fr; gap: 2rem; }
.timeline .item .when { font-family: var(--mono); font-size: 0.82rem; color: var(--accent-dark); font-weight: 500; padding-top: 0.35rem; }
.timeline .item h3 { font-size: 1.3rem; color: var(--heading); margin-bottom: 0.5rem; font-weight: 600; }
.timeline .item p { color: var(--text-dim); }
.timeline .item .tag { display: inline-block; margin-top: 0.9rem; font-family: var(--mono); font-size: 0.72rem; font-weight: 500; text-transform: none; letter-spacing: 0; background: var(--accent-soft); color: var(--accent-dark); padding: 0.2rem 0.6rem; border-radius: 8px; }

/* Reveal on scroll */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.in { opacity: 1; transform: none; }

/* Responsive */
@media (max-width: 900px) {
    .hero .hero-grid { grid-template-columns: 1fr; gap: 2.5rem; }
    .hero .hero-brand { order: -1; justify-content: flex-start; }
    .hero .hero-mark { max-width: 520px; }
    .hero .affil .affil-logo { height: 52px; }
    .hero .affil .affil-sobs { height: 44px; }
    .grid-3, .grid-4, .people, .news-list, .gallery, .talks { grid-template-columns: repeat(2, 1fr); }
    .talks.talks-4 { grid-template-columns: repeat(2, 1fr); }
    .alumni-list { grid-template-columns: repeat(2, 1fr); }
    .labbio, .place { grid-template-columns: 1fr; }
    .about-split { grid-template-columns: 1fr; gap: 2.5rem; }
    .research-masthead { grid-template-columns: 1fr; gap: 1.2rem; }
    .research-masthead .lead { margin-top: 0; }
    .pillar-stack { grid-template-columns: 1fr; }
    .together-grid { grid-template-columns: 1fr; gap: 2rem; }
    .together-cta { position: static; }
    .join .contact-grid { grid-template-columns: 1fr; }
    .labbio .portrait { max-width: 320px; }
}
@media (max-width: 620px) {
    .section { padding: 4rem 0; }
    .grid-3, .grid-4, .people, .news-list, .alumni-list { grid-template-columns: 1fr; }
    .timeline .item { grid-template-columns: 1fr; gap: 0.4rem; }
    nav .links { display: none; }
    .nav-toggle { display: block; }
    nav .links.open {
        display: flex; flex-direction: column; align-items: flex-start;
        position: absolute; top: 74px; left: 0; right: 0;
        background: var(--bg); border-bottom: 1px solid var(--border); padding: 1rem 1.5rem; gap: 1rem;
    }
    nav#nav .brand .brand-logo { height: 42px; }
}