/* =============================================
   YourLab · Shared Stylesheet
   Inspired by academic lab sites (iDRAMA style)
   Inspired by academic lab sites (iDRAMA style)
   ============================================= */

/* ---------- CSS Variables ---------- */
:root {
    --navy:     	#1a2240;
    --navy-mid: 	#243057;
    --accent:   	#c0392b;       /* a warm academic red */
    --accent-lt:	#e8d5d3;
    --sand:     	#f5f2ee;
    --white:    	#ffffff;
    --text:     	#2c2c2c;
    --muted:    	#666666;
    --border:   	#e0dbd4;
	--orangelogo:	#faa528;
	--black:		#000000;

    --font-display: 'Montserrat', sans-serif;
    --font-body:    'DM Sans', system-ui, sans-serif;

    --max-w:    1100px;
    --radius:   6px;
    --transition: 0.2s ease;
}

/* ---------- Reset & Base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text);
    background: var(--white);
}

a {
    color: var(--orangelogo);
    text-decoration: none;
    transition: opacity var(--transition);
}
a:hover { opacity: 0.75; }

h1, h2, h3 { font-family: var(--font-display); line-height: 1.2; }
h1 { font-size: clamp(2rem, 5vw, 3.2rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); }
h3 { font-size: 1.2rem; }

em { font-style: italic; }
strong { font-weight: 600; }

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

/* ---------- Utilities ---------- */
.container {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section-pad { padding: 2rem 0; }
.alt-bg { background: var(--sand); }

.two-col {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 3rem;
    align-items: start;
}

.section-text { max-width: 680px; color: var(--muted); }

/* ---------- Navigation ---------- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--text);
    box-shadow: 0 2px 12px rgba(0,0,0,0.18);
}

.navbar {
    display: flex;
    align-items: center;
    gap: 2rem;
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 1.5rem;
    height: 58px;
}

.nav-logo {
    font-family: var(--font-display);
    font-size: 1.4rem;
    color: var(--orangelogo);
    letter-spacing: -0.01em;
    margin-right: auto;
    opacity: 1;
}
.nav-logo:hover { opacity: 0.85; }

.nav-links {
    list-style: none;
    display: flex;
    gap: 0.25rem;
}

.nav-links a {
    color: rgba(255,255,255,0.78);
    font-size: 0.88rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    padding: 0.35rem 0.75rem;
    border-radius: 4px;
    transition: background var(--transition), color var(--transition);
}
.nav-links a:hover,
.nav-links a.active {
    background: rgba(255,255,255,0.12);
    color: var(--orangelogo);
    opacity: 1;
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: orangelogo;
    font-size: 1.4rem;
    cursor: pointer;
}

/* ---------- Hero (Home) ---------- */
.hero {
    background: var(--black);
    color: var(--orangelogo);
    padding: 5rem 1.5rem 4rem;
}

.hero-inner {
    max-width: var(--max-w);
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 3rem;
}

.hero-text { flex: 1; }

.label {
    display: inline-block;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--orangelogo);
    margin-bottom: 0.75rem;
}

.hero h1 { color: var(--orangelogo); margin-bottom: 1rem; }

.hero-sub {
    font-size: 1.1rem;
    color: rgba(255,255,255,0.78);
    max-width: 560px;
    margin-bottom: 1.75rem;
}

.hero-socials { display: flex; gap: 0.6rem; flex-wrap: wrap; }

.social-pill {
    border: 1px solid rgba(255,255,255,0.3);
    color: var(--orangelogo);
    padding: 0.3rem 0.9rem;
    border-radius: 20px;
    font-size: 0.82rem;
    font-weight: 500;
    transition: border-color var(--transition), background var(--transition);
}
.social-pill:hover {
    border-color: var(--orangelogo);
    background: rgba(255,255,255,0.1);
    opacity: 1;
}

.hero-badge {
    flex-shrink: 0;
}
.badge-ring {
    width: 300px;
    height: 300px;
    border-radius: 50%;
    border: 3px solid rgba(255,255,255,0.2);
    background: rgba(255,255,255,0.07);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 2rem;
    color: rgba(255,255,255,0.5);
    letter-spacing: -0.02em;
}

/* ---------- Page Hero (inner pages) ---------- */
.page-hero {
    background: var(--black);
    color: var(--white);
    padding: 3.5rem 1.5rem;
}
.page-hero h1 { color: var(--orangelogo); margin-bottom: 0.5rem; }
.page-hero p { color: rgba(255,255,255,0.7); font-size: 1.05rem; }

/* ---------- About ---------- */
.about h2 { margin-bottom: 1rem; }
.about p { color: var(--muted); margin-bottom: 1rem; }

/* ---------- Info Card (sidebar) ---------- */
.info-card {
    background: var(--sand);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
	padding-top: 0.1rem;
	/*width: fit-content*/
}
.info-card h3 {
    font-family: var(--font-body);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 0.75rem;
}

.tag-list {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}
.tag-list li {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 0.25rem 0.65rem;
    font-size: 0.85rem;
    color: var(--text);
	display: flex;
	width: fit-content
}



/* ---------- News ---------- */
.news h2 { margin-bottom: 1.5rem; }
.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.25rem;
}
.news-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem 1.5rem;
}
.news-card time {
    display: block;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--orangelogo);
    margin-bottom: 0.4rem;
}
.news-card p { color: var(--muted); font-size: 0.92rem; }

.news-more-link {
    display: inline-block;
    margin-top: 1.25rem;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text);
}
.news-more-link:hover { color: var(--orangelogo); opacity: 1; }

/* ---------- Newsletter Banner (News page) ---------- */
.newsletter-banner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    flex-wrap: wrap;
    background: var(--sand);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.75rem 2rem;
    margin-bottom: 2.5rem;
}
.newsletter-text h2 { font-size: 1.3rem; margin-bottom: 0.3rem; }
.newsletter-text p { color: var(--muted); font-size: 0.92rem; max-width: 480px; margin: 0; }

.newsletter-btn {
    flex-shrink: 0;
    background: var(--text);
    color: var(--orangelogo);
    font-weight: 600;
    font-size: 0.88rem;
    padding: 0.65rem 1.4rem;
    border-radius: 20px;
    white-space: nowrap;
    transition: opacity var(--transition);
}
.newsletter-btn:hover { opacity: 0.85; }

/* ---------- Quick Links ---------- */
.quicklinks h2 { margin-bottom: 1.5rem; }
.ql-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1rem;
}
.ql-card {
    display: block;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    color: var(--text);
    transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}
.ql-card:hover {
    border-color: var(--orangelogo);
    box-shadow: 0 4px 16px rgba(0,0,0,0.08);
    transform: translateY(-2px);
    opacity: 1;
}
.ql-icon { display: block; font-size: 1.6rem; margin-bottom: 0.6rem; }
.ql-card h3 { margin-bottom: 0.4rem; font-size: 1.05rem; }
.ql-card p { font-size: 0.88rem; color: var(--muted); }

/* ---------- Group Heading ---------- */
.group-heading {
    font-family: var(--font-body);
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--muted);
    border-bottom: 1px solid var(--border);
    padding-bottom: 0.5rem;
    margin-bottom: 1.5rem;
    margin-top: 2.5rem;
}
.group-heading:first-of-type { margin-top: 0; }

/* ---------- People ---------- */
.people-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 1.25rem;
    margin-bottom: 1rem;
}
.people-grid--pi { grid-template-columns: 1fr; }

.person-card {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.4rem;
}
.person-card--large {
    flex-direction: row;
    gap: 1.5rem;
    align-items: flex-start;
}

.person-avatar {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: var(--border);
    flex-shrink: 0;
}
.person-card--large .person-avatar {
    width: 90px;
    height: 90px;
}

.person-info { flex: 1; }
.person-info h3 { font-size: 1.1rem; margin-bottom: 0.1rem; }

.person-role {
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--orangelogo);
    display: block;
    margin-bottom: 0.5rem;
}

.person-bio { font-size: 0.9rem; color: var(--muted); margin-bottom: 0.5rem; }

.person-links { display: flex; gap: 0.75rem; flex-wrap: wrap; }
.person-links a { font-size: 0.82rem; font-weight: 500; color: var(--black); }

.alumni-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.alumni-list li { font-size: 0.92rem; color: var(--muted); }
.alumni-list strong { color: var(--text); }

/* ---------- Publications ---------- */
.pub-year-group { margin-bottom: 2.5rem; }
.pub-year {
    font-family: var(--font-display);
    font-size: 1.6rem;
    color: var(--black);
    border-left: 4px solid var(--orangelogo);
    padding-left: 0.75rem;
    margin-bottom: 1.25rem;
}

.pub-list { display: flex; flex-direction: column; gap: 1rem; }

.pub-item {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem 1.5rem;
    transition: border-color var(--transition);
}
.pub-item:hover { border-color: var(--orangelogo); }

.pub-meta { margin-bottom: 0.3rem; }
.pub-venue {
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--orangelogo);
}

.pub-title { font-family: var(--font-display); font-size: 1.05rem; margin-bottom: 0.25rem; }
.pub-authors { font-size: 0.88rem; color: var(--muted); margin-bottom: 0.6rem; }

.pub-links { display: flex; gap: 0.6rem; }
.pub-links a {
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    color: var(--black);
    background: var(--sand);
    border: 1px solid var(--border);
    padding: 0.2rem 0.65rem;
    border-radius: 4px;
    transition: background var(--transition);
}
.pub-links a:hover { background: var(--border); opacity: 1; }

/* ---------- Teaching ---------- */
.course-list { display: flex; flex-direction: column; gap: 1.25rem; }
.course-card {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
}
.course-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.4rem;
}
.course-code {
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--orangelogo);
}
.course-term {
    font-size: 0.78rem;
    color: var(--muted);
}
.course-card h3 { margin-bottom: 0.4rem; }
.course-card p { color: var(--muted); font-size: 0.9rem; margin-bottom: 0.75rem; }

/* ---------- Contact ---------- */
.contact-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
}
.contact-list li { display: flex; flex-direction: column; gap: 0.15rem; }
.contact-list strong { font-size: 0.78rem; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); }

.col-text h2 { margin-bottom: 0.75rem; }
.col-text h3 { margin-top: 1.75rem; margin-bottom: 0.4rem; font-family: var(--font-body); font-size: 1rem; font-weight: 600; }
.col-text p { color: var(--muted); margin-bottom: 0.5rem; font-size: 0.95rem; }

/* ---------- Footer ---------- */
.site-footer {
    background: var(--text);
    color: var(--orangelogo);
    padding: 1.5rem 0;
}
.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}
.footer-logo {
    font-family: var(--font-display);
    font-size: 1.1rem;
    color: var(--orangelogo);
}
.footer-inner p { font-size: 0.83rem; }

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
    .nav-links { display: none; }
    .nav-toggle { display: block; }
    .nav-links.open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 58px;
        left: 0;
        right: 0;
        background: var(--navy);
        padding: 1rem 1.5rem;
        gap: 0.25rem;
    }

    .two-col { grid-template-columns: 1fr; }
    .hero-inner { flex-direction: column; }
    .hero-badge { display: none; }
    .person-card--large { flex-direction: column; }
    .footer-inner { flex-direction: column; text-align: center; }
}

/*
ul {
    padding-left: 1.5rem;
} */


.filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 2rem;
}

.filter-btn {
    border: 1px solid var(--text);
    background: var(--white);
    padding: 0.35rem 0.9rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-family: var(--font-body);
    cursor: pointer;
    transition: background var(--transition), border-color var(--transition);
}

.filter-btn:hover {
    border-color: var(--orange);
}

.filter-btn.active {
    background: var(--text);
    color: var(--orangelogo);
    border-color: var(--orangelogo);
}

.pub-item.hidden {
    display: none;
}