/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #0D7377;
    --accent-color: #14A085;
    --accent-light: #26D07C;
    --accent-lighter: #4ECCA3;
    --orange-accent: #14A085;
    --orange-light: #26D07C;
    --orange-lighter: #4ECCA3;
    --text-color: #1F2937;
    --text-light: #4B5563;
    --text-lighter: #6B7280;
    --bg-color: #ffffff;
    --bg-light: #E5E7EB;
    --bg-gradient: linear-gradient(135deg, #E5E7EB 0%, #E8EAED 100%);
    --border-color: rgba(209, 213, 219, 0.5);
    --link-color: #0D7377;
    --link-hover: #14A085;
    --glass-bg: rgba(255, 255, 255, 0.8);
    --glass-border: rgba(255, 255, 255, 0.3);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.08);
    --shadow-glass: 0 4px 6px rgba(0, 0, 0, 0.05), inset 0 1px 0 rgba(255, 255, 255, 0.9);
    --gradient-primary: linear-gradient(135deg, #0D7377 0%, #14A085 100%);
    --gradient-accent: linear-gradient(135deg, #14A085 0%, #26D07C 100%);
    --gradient-subtle: linear-gradient(135deg, rgba(13, 115, 119, 0.04) 0%, rgba(20, 160, 133, 0.04) 100%);
    --gradient-bg: linear-gradient(135deg, #E5E7EB 0%, #E8EAED 50%, #E5E7EB 100%);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.75;
    color: var(--text-color);
    background: var(--bg-light);
    background-attachment: fixed;
    font-size: 16px;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1254px;
    margin: 0 auto;
    padding: 0 20px;
}

.container.home-container {
    max-width: 1400px;
    margin-left: auto;
    margin-right: 5%;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border-bottom: 1px solid rgba(209, 213, 219, 0.4);
    z-index: 1000;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.04);
}

.navbar::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--gradient-primary);
    pointer-events: none;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.navbar-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.language-switcher {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.lang-btn {
    background: none;
    border: none;
    color: var(--text-color);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    padding: 0.25rem 0.5rem;
    transition: color 0.2s ease;
    font-family: inherit;
}

.lang-btn:hover {
    color: var(--primary-color);
}

.lang-btn.active {
    color: var(--primary-color);
    font-weight: 600;
}

.lang-separator {
    color: var(--text-lighter);
    font-size: 0.85rem;
}

.nav-brand {
    font-size: 1.2rem;
    font-weight: 600;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
    display: flex;
    align-items: center;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 400;
    font-size: 0.95rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    padding: 0.3rem 0.5rem;
    border-radius: 6px;
}

.nav-link:hover {
    color: var(--link-color);
    background: rgba(27, 94, 32, 0.06);
}

.nav-link.active {
    color: var(--accent-color);
    font-weight: 500;
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 2px;
    background-color: var(--orange-accent);
    border-radius: 2px;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.hamburger span {
    width: 25px;
    height: 2px;
    background-color: var(--text-color);
    transition: all 0.3s ease;
}

/* Main Content */
.main-content {
    margin-top: 80px;
    padding: 5px 0;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.container.home-container {
    display: flex;
    gap: 1.25rem;
    align-items: flex-start;
}

.home-main-wrapper {
    flex: 0 0 85%;
    max-width: 85%;
}

.external-news-sidebar {
    flex: 0 0 15%;
    max-width: 15%;
    position: sticky;
    top: 100px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px) saturate(180%);
    -webkit-backdrop-filter: blur(10px) saturate(180%);
    border-radius: 20px;
    padding: 1.5rem;
    border: 1px solid rgba(209, 213, 219, 0.2);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
    height: fit-content;
}

.external-news-sidebar h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-color);
    padding-bottom: 0.75rem;
    border-bottom: 2px solid rgba(209, 213, 219, 0.3);
}

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

.external-news-item {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    text-decoration: none;
    color: inherit;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    border-radius: 12px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.5);
    border: 1px solid rgba(209, 213, 219, 0.3);
}

.external-news-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.external-news-thumbnail {
    width: 100%;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: rgba(240, 240, 240, 0.5);
}

.external-news-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.external-news-title {
    font-size: 0.9rem;
    line-height: 1.4;
    padding: 0 0.75rem 0.75rem;
    color: var(--text-color);
    font-weight: 500;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.content-section {
    margin-bottom: 30px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px) saturate(180%);
    -webkit-backdrop-filter: blur(10px) saturate(180%);
    border-radius: 20px;
    padding: 1.5rem;
    border: 1px solid rgba(209, 213, 219, 0.2);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
    transition: box-shadow 0.2s ease;
}

.content-section:hover {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
    transform: none;
}

#home {
    margin-bottom: 30px;
}

#home:hover {
    transform: none !important;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04) !important;
}

#tabs-section {
    margin-top: 10px;
    position: relative;
    padding: 0 !important;
    background: transparent !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    border: none !important;
    box-shadow: none !important;
}

#tabs-section:hover {
    transform: none !important;
    box-shadow: none !important;
}

#tabs-section::before {
    content: '';
    position: absolute;
    top: -5px;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(212, 212, 170, 0.4), 
        transparent
    );
    pointer-events: none;
}

.content-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(255, 255, 255, 0.6), 
        transparent
    );
    pointer-events: none;
}

/* Header Section */
.header-section {
    margin-bottom: 10px;
}

.profile-header {
    display: flex;
    align-items: flex-start;
    gap: 2.5rem;
    margin-bottom: 0.75rem;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px) saturate(180%);
    -webkit-backdrop-filter: blur(10px) saturate(180%);
    border-radius: 20px;
    padding: 1.5rem;
    border: 1px solid rgba(209, 213, 219, 0.3);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
    transition: none;
}

.profile-header:hover {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
}

.profile-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(255, 255, 255, 0.8), 
        transparent
    );
    pointer-events: none;
}

.profile-text {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0;
}

.profile-image {
    width: 200px;
    height: 200px;
    border-radius: 24px;
    object-fit: cover;
    border: 4px solid transparent;
    background: linear-gradient(white, white) padding-box, var(--gradient-primary) border-box;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 4px;
    flex-shrink: 0;
    box-shadow: 0 4px 15px rgba(27, 94, 32, 0.1);
    transition: none;
}

.profile-image:hover {
    transform: none;
    box-shadow: 0 4px 15px rgba(27, 94, 32, 0.1);
}

.main-title {
    font-size: 3rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
    line-height: 1.2;
    letter-spacing: -0.04em;
    padding: 0;
    border-radius: 0;
    display: block;
    border: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    position: relative;
}

.subtitle {
    font-size: 1rem;
    color: var(--text-light);
    margin-bottom: 0.3rem;
    line-height: 1.6;
    font-weight: 400;
}

.subtitle:last-of-type {
    margin-bottom: 0.3rem;
}


.affiliation-section h2 {
    font-size: 1.6rem;
    font-weight: 600;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
    padding-bottom: 0.4rem;
    border-bottom: none;
    letter-spacing: -0.02em;
}

.affiliation-section p {
    color: var(--text-color);
    font-size: 1.05rem;
    line-height: 1.7;
    margin: 0;
    margin-bottom: 0.5rem;
}

.affiliation-section p:last-child {
    margin-bottom: 0;
}

.affiliation-section a {
    color: var(--link-color);
    text-decoration: none;
    transition: color 0.2s ease;
}

.affiliation-section a:hover {
    color: var(--link-hover);
    text-decoration: underline;
}

.contact-info {
    margin-top: 0;
    padding-top: 1.5rem;
    border-top: none;
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(10px);
    border-radius: 12px;
    padding: 1.5rem;
    border: none;
}

.contact-info p {
    margin-bottom: 0.9rem;
    color: var(--text-color);
    font-size: 1.05rem;
    line-height: 1.7;
}

.contact-info p:last-child {
    margin-bottom: 0;
}

.contact-info a {
    color: var(--link-color);
    text-decoration: none;
    transition: color 0.2s ease;
}

.contact-info a:hover {
    color: var(--link-hover);
    text-decoration: underline;
}

/* IRIS Logo Styles */
.iris-logo {
    font-weight: 600;
    color: var(--primary-color);
    letter-spacing: 0.05em;
    text-decoration: none;
    transition: color 0.2s ease;
}

.iris-logo:hover {
    color: var(--accent-color);
    text-decoration: underline;
}

.iris-i1 {
    color: #1a1a1a;
    font-weight: 700;
}

.iris-r {
    color: #1a1a1a;
    font-weight: 700;
}

.iris-i2 {
    color: #1a1a1a;
    font-weight: 700;
}

.iris-s {
    color: #1a1a1a;
    font-weight: 700;
}

.info-section {
    margin-top: 0;
    margin-bottom: 0;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px) saturate(180%);
    -webkit-backdrop-filter: blur(10px) saturate(180%);
    border-radius: 16px;
    border: 1px solid rgba(209, 213, 219, 0.3);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.04);
}

.affiliation-section {
    margin-top: 0;
    margin-bottom: 1rem;
    padding: 0;
    background: transparent;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border-radius: 0;
    border: none;
    box-shadow: none;
}

.affiliation-section:last-of-type {
    margin-bottom: 0;
}

.research-interests-section {
    margin-top: 0;
    margin-bottom: 0;
    padding: 0;
    padding-top: 1rem;
    background: transparent;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border-radius: 0;
    border: none;
    border-top: 1px solid rgba(209, 213, 219, 0.3);
    box-shadow: none;
}

.research-interests-section h2 {
    font-size: 1.6rem;
    font-weight: 600;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
    padding-bottom: 0.4rem;
    border-bottom: none;
    letter-spacing: -0.02em;
}

.social-links {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid rgba(209, 213, 219, 0.3);
}

.social-link {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.75rem 1.4rem;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 12px;
    border: 1.5px solid rgba(209, 213, 219, 0.3);
    color: var(--text-color);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    position: relative;
    overflow: hidden;
}

.social-link svg {
    flex-shrink: 0;
    fill: var(--text-light);
    transition: fill 0.2s ease;
}

.social-link:hover {
    background: rgba(255, 255, 255, 1);
    border-color: var(--primary-color);
    color: var(--primary-color);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    transform: none;
}

.social-link:hover svg {
    fill: var(--primary-color);
}

.social-link.scholar,
.social-link.researchgate,
.social-link.orcid,
.social-link.linkedin {
    color: var(--text-color);
}

.social-link.scholar:hover,
.social-link.researchgate:hover,
.social-link.orcid:hover,
.social-link.linkedin:hover {
    background: rgba(249, 250, 251, 0.95);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

/* Tabs Styles */
.tabs-container {
    width: 100%;
    border: 1px solid rgba(209, 213, 219, 0.2);
    border-radius: 20px;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px) saturate(180%);
    -webkit-backdrop-filter: blur(10px) saturate(180%);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
    transition: none;
}

.tabs-container:hover {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
    transform: none;
}

.tabs-nav {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid rgba(209, 213, 219, 0.3);
    padding-bottom: 0.5rem;
    flex-wrap: wrap;
}

.tab-button {
    background: none;
    border: none;
    padding: 1rem 2rem;
    font-size: 1.05rem;
    font-weight: 500;
    color: var(--text-light);
    cursor: pointer;
    transition: color 0.2s ease, background 0.2s ease;
    position: relative;
    border-radius: 12px;
    font-family: inherit;
}

.tab-button:hover {
    color: var(--primary-color);
    background: var(--gradient-subtle);
    transform: none;
}

.tab-button.active {
    color: var(--primary-color);
    font-weight: 600;
    background: var(--gradient-subtle);
}

.tab-button.active::after {
    content: '';
    position: absolute;
    bottom: -0.5rem;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-accent);
    border-radius: 3px;
}

.tabs-content {
    position: relative;
    min-height: 300px;
}

.tab-panel {
    display: none;
    animation: fadeIn 0.3s ease-in-out;
}

.tab-panel.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.content-body p {
    margin-bottom: 1.75rem;
    color: var(--text-color);
    text-align: justify;
    font-size: 1.05rem;
    line-height: 1.8;
}

.content-body h2 {
    font-size: 1.5rem;
    font-weight: 600;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid rgba(209, 213, 219, 0.5);
    letter-spacing: -0.01em;
    position: relative;
}

.content-body h2::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 40px;
    height: 2px;
    background: var(--gradient-accent);
}

.content-body h3 {
    font-size: 1.3rem;
    font-weight: 600;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-top: 2rem;
    margin-bottom: 1rem;
    letter-spacing: -0.01em;
}

.research-list,
.education-list {
    list-style: none;
    padding-left: 0;
    margin-bottom: 2rem;
}

.research-list li,
.education-list li {
    padding: 0.4rem 0;
    padding-left: 1.75rem;
    position: relative;
    color: var(--text-color);
    font-size: 1.05rem;
    line-height: 1.6;
}

.research-list li::before,
.education-list li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: 600;
    font-size: 1.1rem;
}

.research-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.25rem 0.75rem;
    margin-bottom: 0.75rem;
}

/* Section Title */
.section-title {
    font-size: 2.25rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid rgba(209, 213, 219, 0.5);
    letter-spacing: -0.03em;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 60px;
    height: 2px;
    background: var(--gradient-accent);
}

/* News Section */
.news-timeline {
    margin-top: 0.5rem;
}

.news-item {
    display: flex;
    gap: 2rem;
    margin-bottom: 1.25rem;
    padding: 1.5rem;
    border: 1px solid rgba(209, 213, 219, 0.4);
    transition: background 0.2s ease;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
}

.news-item:hover {
    background: rgba(255, 255, 255, 0.9);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
    transform: none;
    border-color: rgba(209, 213, 219, 0.4);
}

.news-item:last-child {
    border-bottom: 1px solid rgba(209, 213, 219, 0.5);
}

.news-date {
    font-weight: 600;
    color: var(--text-light);
    min-width: 130px;
    font-size: 1rem;
    letter-spacing: -0.01em;
}

.news-content {
    flex: 1;
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.news-text {
    flex: 1;
}

.news-image-container {
    flex-shrink: 0;
    width: 150px;
}

.news-image {
    width: 100%;
    height: auto;
    border-radius: 8px;
    display: block;
    object-fit: cover;
}

.news-content p {
    margin-bottom: 0;
    color: var(--text-color);
    font-size: 1.05rem;
    line-height: 1.75;
}

.news-content strong {
    font-weight: 700;
    color: var(--primary-color);
}

.news-content a {
    color: var(--link-color);
    text-decoration: none;
    transition: color 0.2s ease;
}

.news-content a:hover {
    color: var(--link-hover);
    text-decoration: underline;
}

/* Research Section */
.research-content {
    margin-top: 1rem;
}

.research-content > h3:first-child {
    margin-top: 0;
}

/* Conference Section */
.conference-content {
    margin-top: 1rem;
}

.conference-category {
    margin-bottom: 2.5rem;
}

.conference-category:last-child {
    margin-bottom: 0;
}

.conference-category h3 {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-top: 2rem;
    margin-bottom: 1.25rem;
    letter-spacing: -0.02em;
    padding: 1.25rem;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    border-radius: 12px;
    border: 1px solid rgba(209, 213, 219, 0.4);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
}

.conference-category h3:first-child {
    margin-top: 0;
}

.conference-list {
    list-style: none;
    padding-left: 0;
    margin-top: 0.5rem;
}

.conference-list li {
    display: flex;
    gap: 1.5rem;
    padding: 0.8rem 0;
    border-bottom: 1px solid rgba(209, 213, 219, 0.2);
    align-items: flex-start;
}

.conference-list li:last-child {
    border-bottom: none;
}

.conference-date {
    font-weight: 600;
    color: var(--text-light);
    min-width: 120px;
    font-size: 0.95rem;
    flex-shrink: 0;
}

.conference-text {
    flex: 1;
    color: var(--text-color);
    font-size: 1.05rem;
    line-height: 1.7;
}

.research-content h3 {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-top: 2rem;
    margin-bottom: 1.25rem;
    letter-spacing: -0.02em;
    padding: 1.25rem;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    border-radius: 12px;
    border: 1px solid rgba(209, 213, 219, 0.4);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
}

.research-content h3:hover {
    background: rgba(255, 255, 255, 0.95);
    color: var(--orange-accent);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.06);
    transform: translateY(-2px);
    border-color: rgba(27, 94, 32, 0.2);
}

.research-content p {
    margin-bottom: 1.75rem;
    color: var(--text-color);
    text-align: justify;
    font-size: 1.05rem;
    line-height: 1.8;
}

/* Publications Section */
.publications-list {
    margin-top: 1rem;
}

.publication-item {
    margin-bottom: 2.5rem;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    border: 1px solid rgba(209, 213, 219, 0.4);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
}

/* In progress publications - 더 컴팩트한 스타일 */
.publication-item:has(h3[data-i18n="publications.inProgress"]) {
    padding: 1.25rem;
    margin-bottom: 1.5rem;
}

.publication-item:hover {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.06);
    transform: translateY(-2px);
    border-color: rgba(27, 94, 32, 0.2);
}

.publication-item h3 {
    font-size: 1.2rem;
    font-weight: 600;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
    letter-spacing: -0.01em;
}

.publication-item ul {
    list-style: none;
    padding-left: 0;
}

.publication-item li {
    margin-bottom: 1.2rem;
    padding-left: 0;
    color: var(--text-color);
    line-height: 1.75;
    padding: 1rem;
    border-radius: 10px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: 1.02rem;
    position: relative;
}

.publication-year {
    position: absolute;
    bottom: -1.5rem;
    right: 0;
    font-size: 3rem;
    font-weight: 700;
    color: rgba(209, 213, 219, 0.4);
    line-height: 1;
    pointer-events: none;
    user-select: none;
    z-index: 0;
}

.publication-item li:hover {
    background: rgba(27, 94, 32, 0.05);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
}

.publication-item em {
    font-style: italic;
    color: var(--text-light);
}

.publication-item li[style*="display: flex"] {
    display: flex !important;
    gap: 1.5rem;
    align-items: flex-start;
}

.publication-item li > div[style*="flex-shrink: 0"],
.publication-item li > a > div[style*="flex-shrink: 0"] {
    flex-shrink: 0;
}

.publication-item li img {
    max-width: 200px;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    display: block;
}

.publication-item li > div[style*="flex: 1"],
.publication-item li > a > div[style*="flex: 1"] {
    flex: 1;
    position: relative;
}

/* About Section */
.about-content {
    margin-top: 1rem;
}

.about-content .publication-item {
    margin-bottom: 1.2rem;
    padding: 1.25rem;
}

.about-content .publication-item h3 {
    margin-bottom: 0.6rem;
    padding-bottom: 0.35rem;
}

.about-content .publication-item li {
    margin-bottom: 0.5rem;
    padding: 0.4rem;
    line-height: 1.5;
    font-size: 0.95rem;
}

.about-content .publication-item li:hover {
    padding-left: 0.75rem;
}

.about-content .contact-info {
    margin-top: 1.5rem;
}

/* Contact Section */
.contact-content {
    margin-top: 1rem;
}

.contact-content p {
    margin-bottom: 1.75rem;
    color: var(--text-color);
    font-size: 1.05rem;
    line-height: 1.8;
}

.contact-details {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px) saturate(180%);
    -webkit-backdrop-filter: blur(10px) saturate(180%);
    padding: 2rem;
    border-radius: 16px;
    margin-top: 1.5rem;
    border: 1px solid rgba(209, 213, 219, 0.4);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.04);
}

.contact-details p {
    margin-bottom: 1rem;
    color: var(--text-color);
    font-size: 1.05rem;
    line-height: 1.7;
}

.contact-details a {
    color: var(--link-color);
    text-decoration: none;
    transition: color 0.2s ease;
}

.contact-details a:hover {
    color: var(--link-hover);
    text-decoration: underline;
}

/* Footer */
.footer {
    border-top: 1px solid rgba(209, 213, 219, 0.4);
    padding: 2.5rem 0;
    margin-top: 80px;
    text-align: center;
    color: var(--text-light);
    font-size: 0.95rem;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
}

/* Links */
a {
    color: var(--link-color);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--link-hover);
    text-decoration: underline;
}

/* Responsive Design */
@media (max-width: 1200px) {
    .container {
        max-width: 95%;
    }
    
    .container.home-container {
        flex-direction: column;
        margin-right: 0;
        padding: 0 20px;
    }
    
    .home-main-wrapper {
        flex: 1;
        max-width: 100%;
    }
    
    .external-news-sidebar {
        display: none;
    }
    
    .main-title {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .affiliation-section h2,
    .research-interests-section h2 {
        font-size: 1.4rem;
    }
    
    .content-body h2 {
        font-size: 1.4rem;
    }
    
    .content-body h3 {
        font-size: 1.2rem;
    }
    
    .conference-category h3,
    .research-content h3 {
        font-size: 1.25rem;
    }
}

@media (max-width: 1024px) {
    body {
        font-size: 15px;
    }
    
    .main-title {
        font-size: 2.25rem;
    }
    
    .section-title {
        font-size: 1.9rem;
    }
    
    .affiliation-section h2,
    .research-interests-section h2 {
        font-size: 1.3rem;
    }
    
    .affiliation-section p,
    .contact-info p,
    .news-content p,
    .content-body p {
        font-size: 1rem;
    }
    
    .publication-item li {
        font-size: 0.98rem;
    }
    
    .conference-text {
        font-size: 1rem;
    }
    
    .tab-button {
        font-size: 1rem;
        padding: 0.9rem 1.8rem;
    }
    
    .nav-brand {
        font-size: 1.1rem;
    }
    
    .nav-link {
        font-size: 0.9rem;
    }
}

@media (max-width: 768px) {
    body {
        font-size: 14px;
    }
    
    .container {
        padding: 0 15px;
        max-width: 100%;
    }
    
    .container.home-container {
        padding: 0 15px;
        margin-right: 0;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 60px;
        flex-direction: column;
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: saturate(180%) blur(20px);
        -webkit-backdrop-filter: saturate(180%) blur(20px);
        width: 100%;
        text-align: left;
        transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        padding: 1.5rem 0;
        border-bottom: 1px solid rgba(209, 213, 219, 0.5);
        border-top: 1px solid rgba(209, 213, 219, 0.5);
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-menu li {
        padding: 0.8rem 2rem;
    }

    .nav-link.active::after {
        display: none;
    }

    .hamburger {
        display: flex;
    }
    
    .navbar-right {
        gap: 0.75rem;
    }
    
    .language-switcher {
        gap: 0.2rem;
    }
    
    .lang-btn {
        font-size: 0.8rem;
        padding: 0.2rem 0.4rem;
    }

    .main-title {
        font-size: 2rem;
    }
    
    .subtitle {
        font-size: 0.95rem;
    }

    .section-title {
        font-size: 1.75rem;
    }
    
    .affiliation-section h2,
    .research-interests-section h2 {
        font-size: 1.2rem;
    }
    
    .affiliation-section p,
    .contact-info p,
    .news-content p,
    .content-body p {
        font-size: 0.95rem;
    }
    
    .publication-item h3 {
        font-size: 1.1rem;
    }
    
    .publication-item li {
        font-size: 0.93rem;
    }
    
    .conference-category h3,
    .research-content h3 {
        font-size: 1.15rem;
    }
    
    .conference-text {
        font-size: 0.95rem;
    }
    
    .content-body h2 {
        font-size: 1.25rem;
    }

    .content-body h3 {
        font-size: 1.1rem;
    }

    .news-item {
        flex-direction: column;
        gap: 0.5rem;
        padding: 1.2rem;
    }

    .news-date {
        min-width: auto;
        font-size: 0.9rem;
    }
    
    .news-content {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .news-image-container {
        width: 100%;
        max-width: 250px;
        align-self: flex-start;
    }
    
    .news-image {
        width: 100%;
        max-width: 250px;
    }
    
    .news-text {
        width: 100%;
    }
    
    .publication-item li {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .publication-item li > div:first-child,
    .publication-item li > a > div:first-child {
        width: 100%;
        max-width: 250px;
        align-self: flex-start;
    }
    
    .publication-item li img,
    .publication-item li a img {
        width: 100%;
        max-width: 250px;
        height: auto;
    }
    
    .publication-item li > div:last-child,
    .publication-item li > a > div:last-child {
        width: 100%;
    }

    .main-content {
        padding: 30px 0;
        margin-top: 50px;
    }
    
    .content-section {
        padding: 1.2rem;
        border-radius: 16px;
    }
    
    .profile-header {
        flex-direction: column;
        align-items: center;
        text-align: center;
        padding: 4.5rem 1.2rem;
        gap: 0.75rem;
        background: rgba(255, 255, 255, 0.95);
        box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    }
    
    .profile-image {
        width: 130px;
        height: 130px;
        margin-bottom: 0.5rem;
    }
    
    .profile-text {
        align-items: center;
    }
    
    .main-title {
        margin-bottom: 1rem;
    }
    
    .info-section {
        padding: 0.8rem;
        background: rgba(243, 244, 246, 0.55);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        border-radius: 12px;
    }
    
    .social-link {
        padding: 0.6rem 1.2rem;
        font-size: 0.9rem;
    }
    
    .tabs-container {
        padding: 1.2rem;
    }

    .content-body p {
        text-align: left;
        font-size: 0.95rem;
    }
    
    .tabs-nav {
        gap: 0.25rem;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .tab-button {
        padding: 0.6rem 1rem;
        font-size: 0.9rem;
        white-space: nowrap;
    }
    
    .tabs-content {
        min-height: 300px;
    }
    
    .research-list {
        grid-template-columns: 1fr;
        gap: 0.2rem;
    }
    
    .conference-list li {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .conference-date {
        min-width: auto;
    }
    
    .publication-item {
        padding: 1.2rem;
    }
    
    .publication-item li {
        padding: 0.8rem;
        flex-direction: column !important;
        gap: 0.75rem !important;
    }
    
    .publication-item li[style*="display: flex"] {
        flex-direction: column !important;
    }
    
    .publication-item li > div:first-child,
    .publication-item li > a > div:first-child {
        width: 100% !important;
        max-width: 250px !important;
        align-self: flex-start;
    }
    
    .publication-item li img,
    .publication-item li a img {
        width: 100% !important;
        max-width: 250px !important;
        height: auto;
    }
    
    .publication-item li > div:last-child,
    .publication-item li > a > div:last-child {
        width: 100% !important;
    }
    
    .publication-item li a[style*="display: flex"] {
        flex-direction: column !important;
        width: 100% !important;
    }
    
    .publication-year {
        font-size: 2rem;
    }
    
    .about-profile-section {
        flex-direction: column !important;
        align-items: center !important;
        text-align: center !important;
    }
    
    .about-profile-section img {
        width: 140px !important;
        height: 140px !important;
        margin-bottom: 1rem;
    }
    
    .about-profile-section .contact-info {
        text-align: center;
    }
}

@media (max-width: 480px) {
    body {
        font-size: 13px;
    }
    
    .container {
        padding: 0 12px;
    }
    
    .container.home-container {
        padding: 0 12px;
        margin-right: 0;
    }
    
    .main-content {
        margin-top: 45px;
    }
    
    .profile-header {
        background: rgba(255, 255, 255, 0.95);
        box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
        padding: 4rem 1rem;
    }
    
    .info-section {
        background: rgba(243, 244, 246, 0.55);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        border-radius: 12px;
    }

    .section-title {
        font-size: 1.5rem;
    }
    
    .affiliation-section h2,
    .research-interests-section h2 {
        font-size: 1.1rem;
    }
    
    .affiliation-section p,
    .contact-info p,
    .news-content p,
    .content-body p {
        font-size: 0.9rem;
    }
    
    .publication-item h3 {
        font-size: 1rem;
    }
    
    .publication-item li {
        font-size: 0.88rem;
        flex-direction: column !important;
        gap: 0.75rem !important;
    }
    
    .publication-item li[style*="display: flex"] {
        flex-direction: column !important;
    }
    
    .publication-item li > div:first-child,
    .publication-item li > a > div:first-child {
        max-width: 150px !important;
        width: 100% !important;
    }
    
    .publication-item li img,
    .publication-item li a img {
        max-width: 150px !important;
        width: 100% !important;
    }
    
    .publication-item li > div:last-child,
    .publication-item li > a > div:last-child {
        width: 100% !important;
    }
    
    .publication-item li a[style*="display: flex"] {
        flex-direction: column !important;
        width: 100% !important;
    }
    
    .news-image-container {
        max-width: 200px;
    }
    
    .news-image {
        max-width: 200px;
    }
    
    .publication-year {
        font-size: 1.8rem;
    }
    
    .conference-category h3,
    .research-content h3 {
        font-size: 1.05rem;
    }
    
    .conference-text {
        font-size: 0.9rem;
    }

    .content-body h2 {
        font-size: 1.2rem;
    }

    .content-body h3 {
        font-size: 1.05rem;
    }
    
    .content-section {
        padding: 1rem;
    }
    
    .profile-header {
        padding: 3.5rem 1rem;
    }
    
    .profile-image {
        width: 110px;
        height: 110px;
    }
    
    .nav-brand {
        font-size: 1rem;
    }
    
    .tab-button {
        padding: 0.5rem 0.8rem;
        font-size: 0.85rem;
    }
    
    .about-profile-section img {
        width: 120px !important;
        height: 120px !important;
    }
}

@media (max-width: 360px) {
    body {
        font-size: 12px;
    }
    
    .container {
        padding: 0 10px;
    }
    
    .container.home-container {
        padding: 0 10px;
        margin-right: 0;
    }
    
    .main-content {
        margin-top: 40px;
    }
    
    .profile-header {
        background: rgba(255, 255, 255, 0.95);
        box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
        padding: 3.2rem 0.875rem;
    }
    
    .info-section {
        background: rgba(243, 244, 246, 0.55);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        border-radius: 12px;
    }
    
    .affiliation-section h2,
    .research-interests-section h2 {
        font-size: 1rem;
    }
    
    .affiliation-section p,
    .contact-info p,
    .news-content p,
    .content-body p {
        font-size: 0.85rem;
    }
    
    .publication-item li {
        font-size: 0.83rem;
    }
    
    .profile-image {
        width: 100px;
        height: 100px;
    }
    
    .about-profile-section img {
        width: 100px !important;
        height: 100px !important;
    }
}