body {
    font-family: Arial, sans-serif;
    background: #f7f8fa;
    margin: 0;
    padding: 0;
}
.container {
    max-width: 800px;
    margin: 40px auto;
    background: #f7f8fa;
    padding: 32px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}
h1 {
    color: #2c3e50;
    margin-bottom: 16px;
}
h2 {
    color: #34495e;
    margin-top: 32px;
}
p {
    color: #333;
    line-height: 1.7;
}
ul {
    color: #333;
}

/* About page layout */
.about-main {
    background: #f7f8fa;
    padding: 48px 16px 72px;
}

.about-container {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: minmax(280px, 340px) minmax(0, 1fr);
    gap: 40px;
    align-items: flex-start;
}

.about-profile {
    background: #f7f8fa;
    border-radius: 16px;
    padding: 32px 24px;
    text-align: center;
    box-shadow: 0 12px 30px rgba(15, 37, 63, 0.12);
}

.about-profile img {
    width: 180px;
    height: 180px;
    object-fit: cover;
    border-radius: 50%;
    border: 4px solid #eef3fa;
    margin-bottom: 16px;
}

.about-profile h2 {
    margin: 12px 0 8px;
    color: #1f2d3d;
}

.about-role {
    font-size: 1.05em;
    color: #34495e;
    line-height: 1.5;
    margin-bottom: 12px;
}

.about-location {
    color: #6c7a89;
    font-size: 0.95em;
    margin-bottom: 24px;
}

.profile-actions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 12px;
    margin-bottom: 24px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 16px;
    border-radius: 10px;
    font-weight: 600;
    text-decoration: none;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-primary {
    background: #17446b;
    color: #fff;
}

.btn-secondary {
    background: #2c3e50;
    color: #fff;
}

.btn-outline {
    background: #fff;
    border: 1px solid #cfd8e3;
    color: #17446b;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 18px rgba(23, 68, 107, 0.18);
}

.profile-social {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
}

.profile-social a {
    background: #eef3fb;
    color: #17446b;
    text-decoration: none;
    padding: 6px 14px;
    border-radius: 999px;
    font-weight: 500;
    font-size: 0.9em;
    transition: background 0.2s ease;
}

.profile-social a:hover {
    background: #d3e0f2;
}

.about-content {
    background: #f7f8fa;
    border-radius: 16px;
    padding: 36px;
    box-shadow: 0 12px 30px rgba(15, 37, 63, 0.08);
}

.about-content h2 {
    margin-top: 0;
    color: #1f2d3d;
}

.about-content p {
    font-size: 1.05em;
    color: #2f3b4c;
    line-height: 1.7;
    margin-bottom: 18px;
}

.about-content h3 {
    color: #1f3b57;
    margin-top: 32px;
    margin-bottom: 12px;
}

.about-list {
    list-style: none;
    padding-left: 0;
    margin: 0;
    display: grid;
    gap: 12px;
}

.about-list li {
    background: #f4f6fa;
    border-radius: 10px;
    padding: 12px 14px;
    color: #2f3b4c;
    line-height: 1.5;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.04);
}

.education-list {
    list-style: none;
    padding-left: 0;
    margin: 0;
    display: grid;
    gap: 12px;
}

.education-list li {
    background: #f9fbff;
    border-left: 4px solid #17446b;
    padding: 14px 16px;
    border-radius: 8px;
    color: #2f3b4c;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
}

.affiliation-grid {
    display: grid;
    gap: 18px;
}

.affiliation-card {
    background: #f7f8fa;
    border-radius: 14px;
    padding: 18px 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.affiliation-card h4 {
    margin: 0 0 8px;
    color: #1f3b57;
}

.affiliation-card span {
    display: block;
    color: #5f6b7c;
    font-size: 0.95em;
    margin-bottom: 12px;
}

.affiliation-links {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.affiliation-links a {
    display: inline-flex;
    align-items: center;
    padding: 8px 16px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    color: #fff;
    background: #2c3e50;
    transition: transform 0.2s ease, background 0.2s ease;
}

.affiliation-links a:hover {
    transform: translateY(-1px);
    background: #17446b;
}

.site-footer {
    background: #17446b;
    color: #fff;
}

.footer-top {
    max-width: 1100px;
    margin: 0 auto;
    padding: 24px 16px;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 24px;
    flex-wrap: wrap;
}

.footer-links {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.footer-links a {
    color: #fff;
    text-decoration: none;
    font-weight: 500;
}

.footer-links a:hover {
    text-decoration: underline;
}

.footer-bottom {
    background: #102b44;
}

.footer-bottom-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 12px 16px;
    font-size: 0.85em;
    color: #d3e0f2;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}

.footer-bottom a {
    color: #d3e0f2;
    text-decoration: underline;
}

@media (max-width: 960px) {
    .about-container {
        grid-template-columns: 1fr;
    }

    .about-content {
        padding: 28px;
    }
}

@media (max-width: 600px) {
    .profile-actions {
        grid-template-columns: 1fr;
    }

    .about-content {
        padding: 24px 20px;
    }
}

/* Publications page */
.pubs-main {
    background: #f7f8fa;
    padding: 48px 16px 72px;
}

.pubs-container {
    max-width: 1050px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.pubs-header {
    background: #f7f8fa;
    border-radius: 18px;
    padding: 32px 36px;
    box-shadow: 0 16px 38px rgba(23, 40, 72, 0.12);
    border: 1px solid rgba(16, 43, 68, 0.08);
}

.pubs-kicker {
    font-family: "Courier New", Courier, monospace;
    color: #17446b;
    letter-spacing: 2px;
    font-weight: 700;
    font-size: 0.95em;
}

.pubs-header h2 {
    margin: 12px 0 6px;
    color: #1f2d3d;
}

.pubs-header p {
    margin: 0;
    color: #4c5b70;
    font-size: 1em;
}

.pub-section h3 {
    color: #2b4160;
    margin: 0 0 18px;
}

.pub-list {
    list-style: decimal;
    margin: 0;
    padding-left: 22px;
    display: grid;
    gap: 18px;
}

.pub-list li {
    padding-left: 6px;
}

.pub-card {
    background: #f7f8fa;
    border: 1px solid rgba(23, 68, 107, 0.2);
    border-radius: 16px;
    padding: 20px 22px 24px;
    box-shadow: 0 12px 25px rgba(23, 68, 107, 0.12);
}

.pub-card header {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 12px;
}

.pub-source {
    font-weight: 600;
    color: #1f4f82;
    letter-spacing: 0.5px;
}

.pub-card h4 {
    margin: 0;
    color: #1d2e45;
    font-size: 1.1em;
}

.pub-title {
    color: #1c3d6b;
    text-decoration: none;
    transition: color 0.2s ease;
}

.pub-title:hover {
    color: #0f2a49;
    text-decoration: underline;
}

.pub-authors {
    margin: 0 0 8px;
    color: #2f3b4c;
    line-height: 1.6;
}

.pub-meta {
    margin: 0 0 12px;
    color: #425067;
    line-height: 1.5;
}

.pub-meta a {
    color: #17446b;
    font-weight: 600;
}

.pub-links {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.badge-link {
    display: inline-flex;
    align-items: center;
    padding: 8px 14px;
    background: #17446b;
    color: #fff;
    text-decoration: none;
    border-radius: 10px;
    font-size: 0.92em;
    font-weight: 600;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.badge-secondary {
    background: #2b6ca3;
}

.badge-link:hover {
    transform: translateY(-1px);
    box-shadow: 0 10px 20px rgba(23, 68, 107, 0.25);
}

.publisher-springer {
    color: #1b63b2;
}

.pub-notes {
    margin: 12px 0 0;
    font-style: italic;
    color: #5b6880;
}

@media (max-width: 720px) {
    .pubs-header {
        padding: 24px;
    }

    .pub-card {
        padding: 18px;
    }
}