/* MiNet Lab — Lively Yet Soothing theme */
/* Palette: warm ivory bg, sage green primary, terracotta accent, slate text */
@import url('https://fonts.googleapis.com/css2?family=DM+Serif+Display:ital@0;1&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;1,9..40,300&display=swap');

:root {
    --sage:       #5C7A6B;   /* primary — sage green */
    --sage-dark:  #3D5449;   /* deeper sage for hover */
    --sage-light: #EAF0EC;   /* very pale sage tint */
    --terra:      #C4694A;   /* accent — terracotta */
    --terra-light:#F7EDE8;   /* pale terracotta tint */
    --cream:      #F7F4EE;   /* page background */
    --cream-dark: #EDE8DF;   /* card/section bg */
    --text-dark:  #2D2A25;   /* near-black warm */
    --text-mid:   #5A5650;   /* paragraph text */
    --text-light: #8A847C;   /* muted text */
    --border:     #DDD8CF;   /* subtle warm border */
    --white:      #FDFCF9;   /* warm white for cards */
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: 'DM Sans', sans-serif;
    font-optical-sizing: auto;
    color: var(--text-dark);
    background-color: var(--cream);
    line-height: 1.65;
    font-weight: 300;
}

/* ─── Container ─── */
.container {
    max-width: 1050px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* ─── Header ─── */
header {
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    background: rgba(247, 244, 238, 0.94);
    backdrop-filter: blur(8px);
    z-index: 100;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1050px;
    margin: 0 auto;
    padding: 1.1rem 2rem;
}

.logo {
    font-family: 'DM Serif Display', Georgia, serif;
    font-size: 1.35rem;
    font-weight: 400;
    color: var(--sage-dark);
    text-decoration: none;
    letter-spacing: 0.3px;
}

nav a {
    text-decoration: none;
    color: var(--text-mid);
    font-weight: 400;
    font-size: 0.95rem;
    margin-left: 2rem;
    transition: color 0.2s;
    letter-spacing: 0.2px;
}

nav a:hover, nav a.active {
    color: var(--terra);
}

/* ─── Hero ─── */
.hero {
    padding: 5rem 0 2.5rem;
    text-align: center;
}

.hero h1 {
    font-family: 'DM Serif Display', Georgia, serif;
    font-size: 3.4rem;
    font-weight: 400;
    color: var(--sage-dark);
    margin-bottom: 0.6rem;
    letter-spacing: -0.5px;
    line-height: 1.15;
}

.subtitle {
    font-size: 1.15rem;
    color: var(--terra);
    font-weight: 400;
    margin-bottom: 1.5rem;
    font-style: italic;
}

/* ─── Intro box ─── */
.intro-box {
    background: var(--white);
    border: 1px solid var(--border);
    border-left: 4px solid var(--sage);
    padding: 2rem 2.2rem;
    border-radius: 6px;
    font-size: 1.05rem;
    color: var(--text-mid);
    margin-bottom: 4rem;
    line-height: 1.75;
}

/* ─── Headings ─── */
h2 {
    font-family: 'DM Serif Display', Georgia, serif;
    font-size: 1.9rem;
    font-weight: 400;
    color: var(--sage-dark);
    margin-bottom: 1.5rem;
    letter-spacing: -0.2px;
}

h3 {
    font-family: 'DM Sans', sans-serif;
    font-weight: 600;
    font-size: 1.05rem;
}

/* ─── Grid + Cards ─── */
.grid, .team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 4rem;
}

.card, .member-card {
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--white);
    transition: transform 0.22s, box-shadow 0.22s;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 28px -6px rgba(61, 84, 73, 0.12);
}

.card h3 {
    color: var(--sage-dark);
    margin-bottom: 0.6rem;
}

.card p {
    color: var(--text-mid);
    font-size: 0.95rem;
}

/* ─── Research cards (with figures) ─── */
.research-card {
    display: flex;
    flex-direction: column;
    padding: 0;
}

.research-figure {
    background: white;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    height: 200px;
    border-bottom: 1px solid var(--border);
}

.research-figure img {
    max-height: 100%;
    max-width: 100%;
    object-fit: contain;
}

.research-card h3,
.research-card p {
    padding: 0 1.5rem;
}

.research-card h3 {
    margin-top: 1.2rem;
    margin-bottom: 0.4rem;
}

.research-card p {
    margin-bottom: 1.5rem;
}

/* ─── Concept block ─── */
.concept-block {
    background: var(--sage-light);
    border: 1px solid #C8D8CC;
    padding: 2.5rem;
    border-radius: 10px;
    margin-bottom: 4rem;
}

.etymology {
    font-size: 1rem;
    color: var(--terra);
    margin-bottom: 1rem;
    font-style: italic;
}

.concept-block p:last-child {
    color: var(--text-mid);
    font-size: 0.97rem;
}

/* ─── Page title ─── */
.page-title {
    padding: 3.5rem 0 1.5rem;
}

.page-title h1 {
    font-family: 'DM Serif Display', Georgia, serif;
    font-size: 2.8rem;
    font-weight: 400;
    color: var(--sage-dark);
    margin-bottom: 0.5rem;
}

.page-title .subtitle {
    font-style: normal;
    color: var(--text-light);
    font-size: 1rem;
}

.page-title .subtitle a {
    color: var(--terra);
    text-decoration: underline;
    text-underline-offset: 2px;
}

/* ─── Publications ─── */
.publications-list {
    padding-bottom: 3rem;
}

.year-block {
    margin-bottom: 3rem;
}

.year-block h2 {
    font-size: 1.5rem;
    border-bottom: 2px solid var(--sage-light);
    padding-bottom: 0.4rem;
    margin-bottom: 1.2rem;
    position: relative;
}

.year-block h2::after {
    content: '';
    position: absolute;
    left: 0; bottom: -2px;
    width: 40px; height: 2px;
    background: var(--terra);
}

.pub-list { list-style: none; }

.pub-list li {
    margin-bottom: 1.15rem;
    padding-left: 1.1rem;
    border-left: 2px solid var(--cream-dark);
    color: var(--text-mid);
    font-size: 0.95rem;
    line-height: 1.7;
    transition: border-color 0.2s;
}

.pub-list li:hover {
    border-left-color: var(--terra);
}

.pub-list li strong {
    color: var(--text-dark);
    font-weight: 600;
}

/* ─── Software ─── */
.software-grid {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
    margin-top: 2rem;
    padding-bottom: 3rem;
}

.software-card {
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--white);
    overflow: hidden;
    transition: transform 0.2s, box-shadow 0.2s;
    display: flex;
    flex-direction: row;
}

.software-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 24px -5px rgba(61, 84, 73, 0.1);
}

.software-card-accent {
    width: 5px;
    flex-shrink: 0;
    background: var(--sage);
}

.software-card-body {
    padding: 1.5rem 1.8rem;
    flex: 1;
}

.software-card-top { margin-bottom: 0.4rem; }

.software-card-top h2 {
    font-size: 1.2rem;
    margin-bottom: 0;
    color: var(--sage-dark);
}

.software-card p {
    color: var(--text-mid);
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.software-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: center;
    font-size: 0.85rem;
    color: var(--text-light);
}

.software-meta .github-link {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    color: var(--text-dark);
    text-decoration: none;
    font-family: 'DM Mono', 'Courier New', monospace;
    font-size: 0.83rem;
    background: var(--cream);
    border: 1px solid var(--border);
    border-radius: 5px;
    padding: 0.25rem 0.65rem;
    transition: border-color 0.2s, color 0.2s;
}

.software-meta .github-link:hover {
    border-color: var(--terra);
    color: var(--terra);
}

.dev-tag { color: var(--text-light); font-size: 0.85rem; }
.dev-tag span { color: var(--text-mid); font-weight: 500; }

/* ─── People ─── */
.pi-profile {
    padding: 3.5rem 0 2rem;
    display: flex;
    gap: 2.5rem;
    align-items: flex-start;
    margin-bottom: 3rem;
}

.pi-photo-wrapper { flex-shrink: 0; }

.pi-photo {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--border);
}

.pi-title {
    font-size: 1.1rem;
    color: var(--terra);
    font-weight: 500;
    margin-bottom: 0.8rem;
    font-style: italic;
}

.identity-tags {
    font-size: 0.9rem;
    color: var(--text-light);
    margin: 1rem 0;
}

.contact-box {
    margin-top: 1rem;
    background: var(--cream-dark);
    padding: 0.75rem 1rem;
    display: inline-block;
    border-radius: 6px;
    border: 1px solid var(--border);
    font-size: 0.9rem;
}

.member-photo {
    width: 100%;
    height: 200px;
    object-fit: cover;
    object-position: center;
    border-radius: 0;
    margin-bottom: 0;
    display: block;
}

.member-card {
    display: flex;
    flex-direction: column;
}

.member-card-body {
    padding: 1.1rem 1.3rem 1.3rem;
}

.member-card strong {
    display: block;
    margin-bottom: 0.2rem;
    color: var(--text-dark);
    font-weight: 600;
}

.member-card p {
    color: var(--text-mid);
    font-size: 0.9rem;
}

.opportunities-box {
    background: var(--sage-light);
    border: 1px solid #C8D8CC;
    padding: 2.2rem;
    border-radius: 10px;
    margin-bottom: 5rem;
}

.opportunities-box h2 { color: var(--text-dark); }
.opportunities-box p { margin-bottom: 1rem; color: var(--text-mid); }

/* ─── Team section ─── */
.team-section { margin-bottom: 3rem; }
.contact-section { margin-bottom: 3rem; }
.contact-section .contact-box { margin-bottom: 1.5rem; }

/* ─── Buttons ─── */
.github-btn {
    padding: 0.35rem 0.9rem;
    border: 1px solid var(--sage);
    color: var(--sage);
    text-decoration: none;
    border-radius: 5px;
    font-size: 0.85rem;
    font-weight: 500;
    transition: all 0.2s;
}

.github-btn:hover {
    background: var(--sage);
    color: white;
}

/* ─── Footer ─── */
footer {
    background: var(--cream-dark);
    padding: 2.5rem 0;
    border-top: 1px solid var(--border);
    font-size: 0.88rem;
    color: var(--text-light);
}

.footer-content {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

/* ─── Responsive ─── */
@media (max-width: 768px) {
    .nav-container { flex-direction: column; gap: 1rem; }
    nav a { margin: 0 0.8rem; }
    .hero h1 { font-size: 2.4rem; }
    .pi-profile { flex-direction: column; }
}