/* === NAV === */
.site-header {
    position: sticky;
    top: 0;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 40px;
    border-bottom: 1px solid var(--border-color);
    background-color: var(--bg-site);
    transition: background-color var(--transition-speed) ease;
}

.site-header .nav-logo {
    font-weight: 800;
    font-size: 1.15rem;
    letter-spacing: 0.1em;
    text-decoration: none;
    color: #ffffff;
    background-color: #1C1C1C;
    padding: 6px 14px;
    line-height: 1;
    display: inline-block;
    height: 31px;
}

[data-theme="dark"] .site-header .nav-logo {
    color: #1C1C1C;
    background-color: #ffffff;
}

.site-header .nav-links {
    display: flex;
    gap: 20px;
    align-items: center;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.site-header .nav-links .nav-links-list {
    display: flex;
    gap: 20px;
    align-items: center;
}

.site-header .nav-links .nav-links-list a {
    color: var(--text-main);
    text-decoration: none;
    transition: color 0.2s ease;
}

.site-header .nav-links .nav-links-list a:hover,
.site-header .nav-links .nav-links-list a.active {
    color: var(--accent);
}

.site-header .nav-links .nav-mobile-actions,
.site-header .nav-links .mobile-close {
    display: none;
}

.site-header .nav-divider {
    width: 1px;
    height: 14px;
    background: var(--border-color);
    opacity: 0.2;
    flex-shrink: 0;
}

.site-header .nav-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-shrink: 0;
}

.site-header .nav-actions .theme-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    display: flex;
    align-items: center;
    transition: opacity 0.2s ease;
}

.site-header .nav-actions .theme-btn:hover {
    opacity: 0.6;
}

.site-header .nav-actions .nav-cv-btn {
    background: none;
    border: none;
    cursor: pointer;
    color: #ffffff;
    background-color: #1C1C1C;
    padding: 6px 14px;
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    line-height: 1;
    transition: opacity 0.2s ease;
    flex-shrink: 0;
}

.site-header .nav-actions .nav-cv-btn:hover {
    opacity: 0.8;
}

[data-theme="dark"] .site-header .nav-actions .nav-cv-btn {
    color: #1C1C1C;
    background-color: #ffffff;
}

.site-header .hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    flex-shrink: 0;
    flex-direction: column;
    gap: 5px;
}

.site-header .hamburger span {
    display: block;
    width: 22px;
    height: 3px;
    background-color: var(--text-main);
    border-radius: 2px;
}

/* === SECTION BASE === */
section.page-section {
    padding: 80px 40px;
    border-bottom: 1px solid var(--border-color);
}

section.page-section .section-meta {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 15px;
}

section.page-section .section-title {
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 40px;
    line-height: 1.1;
}

/* === BADGE === */
.badge {
    font-weight: 600;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 12px;
}

/* === HERO === */
.hero-layout {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 40px;
    align-items: center;
}

.hero-layout .hero-text h1 {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.05;
    letter-spacing: -0.03em;
    margin-bottom: 20px;
}

.hero-layout .hero-text h1 span {
    color: var(--accent);
}

.hero-layout .hero-text .tagline {
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--text-muted);
    margin-bottom: 25px;
}

.hero-layout .hero-text .description {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--text-muted);
    max-width: 500px;
}

.hero-layout .hero-image-wrapper {
    width: 100%;
    background-color: var(--border-color);
    overflow: hidden;
}

.hero-layout .hero-image-wrapper img {
    width: 100%;
    height: auto;
    display: block;
    filter: grayscale(var(--img-grayscale));
    transition: filter 0.5s ease;
}

.hero-layout .hero-image-wrapper img:hover {
    filter: grayscale(0%);
}

/* === ABOUT === */
.about-layout {
    max-width: 100%;
}

.about-layout .about-paragraphs {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.about-layout .about-paragraphs .skills-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.about-layout .about-paragraphs .skills-list .skill-group {
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: 12px;
    align-items: baseline;
}

.about-layout .about-paragraphs .skills-list .skill-group .skill-category {
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    text-align: right;
}

.about-layout .about-paragraphs .skills-list .skill-group .skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.about-layout .about-paragraphs .skills-list .skill-tag {
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border: 0.5px solid var(--accent);
    padding: 3px 10px;
    transition: all 0.2s ease;
}

[data-theme="dark"] .about-layout .about-paragraphs .skills-list .skill-tag {
    color: rgba(107, 163, 232, 0.65);
    border-color: rgba(107, 163, 232, 0.35);
}

.about-layout .about-paragraphs p {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text-muted);
    white-space: pre-line;
}

/* === EDUCATION === */
.education-layout {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 60px;
    align-items: start;
}

.education-layout .timeline-description {
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--text-muted);
    margin-bottom: 40px;
    white-space: pre-line;
}

.education-layout .timeline-display {
    min-height: 0;
}

.education-layout .timeline-display .accordion-item {
    border-bottom: 1px solid var(--border-color);
}

.education-layout .timeline-display .accordion-item .accordion-header {
    background: none;
    border: none;
    width: 100%;
    text-align: left;
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-main);
    opacity: 0.4;
    cursor: pointer;
    padding: 14px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.2s ease;
}

.education-layout .timeline-display .accordion-item .accordion-header::after {
    content: "+";
    font-size: 1.2rem;
    font-weight: 300;
    color: var(--text-muted);
}

.education-layout .timeline-display .accordion-item .accordion-header:hover {
    opacity: 0.7;
}

.education-layout .timeline-display .accordion-item .accordion-header.active {
    opacity: 1;
    color: var(--accent);
}

.education-layout .timeline-display .accordion-item .accordion-header.active::after {
    content: "\2212";
    color: var(--accent);
}

.education-layout .timeline-display .accordion-item .accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.3s ease;
    padding: 0;
}

.education-layout .timeline-display .accordion-item .accordion-content.open {
    max-height: 2000px;
    padding: 0 0 20px;
}

.education-layout .timeline-display .accordion-item .accordion-content .meta-tag {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--text-muted);
    letter-spacing: 0.05em;
    margin-bottom: 6px;
}

.education-layout .timeline-display .accordion-item .accordion-content h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 6px;
    line-height: 1.2;
}

.education-layout .timeline-display .accordion-item .accordion-content h4 {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--accent);
    margin-bottom: 2px;
}

.education-layout .timeline-display .accordion-item .accordion-content .accordion-date {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 12px;
}

.education-layout .timeline-display .accordion-item .accordion-content .info-block {
    margin-bottom: 16px;
}

.education-layout .timeline-display .accordion-item .accordion-content .info-block .block-label {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 8px;
}

.education-layout .timeline-display .accordion-item .accordion-content .info-block ul {
    list-style: none;
    padding: 0;
}

.education-layout .timeline-display .accordion-item .accordion-content .info-block ul li {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 6px;
    padding-left: 12px;
    position: relative;
}

.education-layout .timeline-display .accordion-item .accordion-content .info-block ul li::before {
    content: "\2022";
    color: var(--accent);
    position: absolute;
    left: 0;
}

.education-layout .timeline-display .accordion-item .accordion-content .specs-grid {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 20px;
}

.education-layout .timeline-display .accordion-item .accordion-content .specs-grid .spec-row {
    font-size: 0.8rem;
    line-height: 1.4;
}

.education-layout .timeline-display .accordion-item .accordion-content .specs-grid .spec-row strong {
    text-transform: uppercase;
    font-size: 0.7rem;
    letter-spacing: 0.05em;
    display: block;
    margin-bottom: 2px;
}

.education-layout .timeline-display .accordion-item .accordion-content .specs-grid .spec-row span {
    color: var(--text-muted);
    white-space: pre-line;
}

.education-layout .timeline-display .accordion-item .accordion-content .timeline-link {
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--accent);
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border: 0.5px solid var(--accent);
    padding: 6px 14px;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

[data-theme="dark"] .education-layout .timeline-display .accordion-item .accordion-content .timeline-link {
    color: rgba(107, 163, 232, 0.65);
    border-color: rgba(107, 163, 232, 0.35);
}

.education-layout .timeline-display .accordion-item .accordion-content .timeline-link:hover {
    background-color: var(--accent);
    color: #ffffff;
}

/* === PUBLICATIONS === */
.publications-layout .publications-intro {
    max-width: 700px;
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-muted);
    margin-bottom: 50px;
}

.publications-layout .featured-pub {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    padding: 30px;
    margin-bottom: 50px;
    background-color: rgba(26, 91, 184, 0.05);
}

[data-theme="dark"] .publications-layout .featured-pub {
    background-color: rgba(107, 163, 232, 0.06);
}

.publications-layout .featured-pub.featured-pub--no-image {
    grid-template-columns: 1fr;
}

.publications-layout .featured-pub .pub-img-container {
    background-color: var(--border-color);
    overflow: hidden;
}

.publications-layout .featured-pub .pub-img-container img {
    width: 100%;
    height: auto;
    display: block;
    filter: grayscale(var(--img-grayscale));
    transition: filter 0.5s ease;
}

.publications-layout .featured-pub .pub-img-container:hover img {
    filter: grayscale(0%);
}

.publications-layout .featured-pub .pub-info {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.publications-layout .featured-pub .pub-info .journal-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-weight: 700;
    color: var(--text-muted);
    margin-bottom: 6px;
}

.publications-layout .featured-pub .pub-info .tag-row {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
}

.publications-layout .featured-pub .pub-info .tag-row .tag {
    font-size: 0.65rem;
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 0.05em;
    background-color: rgba(26, 91, 184, 0.1);
    color: var(--accent);
    padding: 4px 8px;
}

[data-theme="dark"] .publications-layout .featured-pub .pub-info .tag-row .tag {
    background-color: rgba(107, 163, 232, 0.15);
}

.publications-layout .featured-pub .pub-info h3 {
    font-size: 1.35rem;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 10px;
}

.publications-layout .featured-pub .pub-info .authors {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 20px;
}

.publications-layout .featured-pub .pub-info .paragraphs-stack {
    display: flex;
    flex-direction: column;
    gap: 15px;
    font-size: 0.85rem;
    line-height: 1.6;
    color: var(--text-muted);
    margin-bottom: 25px;
}

.publications-layout .featured-pub .pub-info .links-stack {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.publications-layout .featured-pub .pub-info .links-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 10px;
}

.publications-layout .featured-pub .pub-info .links-stack .pub-link-item {
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--accent);
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border: 0.5px solid var(--accent);
    padding: 6px 14px;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

[data-theme="dark"] .publications-layout .featured-pub .pub-info .links-stack .pub-link-item {
    color: rgba(107, 163, 232, 0.65);
    border-color: rgba(107, 163, 232, 0.35);
}

.publications-layout .featured-pub .pub-info .links-stack .pub-link-item:hover {
    background-color: var(--accent);
    color: #ffffff;
}

.publications-layout .featured-pub .pub-info .links-stack .pub-link-item .label-group {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: inherit;
    font-weight: inherit;
}

.publications-layout .featured-pub .pub-info .links-stack .pub-link-item .info-lbl {
    display: none;
}

.publications-layout .items-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.publications-layout .items-list .item-card {
    border-top: 1px solid var(--border-color);
    padding-top: 20px;
    display: flex;
    flex-direction: column;
}

.publications-layout .items-list .item-card .journal-label {
    font-size: 0.6rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-weight: 700;
    color: var(--text-muted);
    margin-bottom: 6px;
}

.publications-layout .items-list .item-card .item-card-image {
    width: 100%;
    height: 120px;
    overflow: hidden;
    margin: 8px 0;
}

.publications-layout .items-list .item-card .item-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(var(--img-grayscale));
    transition: filter 0.5s ease;
}

.publications-layout .items-list .item-card .item-card-image:hover img {
    filter: grayscale(0%);
}

.publications-layout .items-list .item-card .tags {
    display: flex;
    gap: 8px;
    margin-bottom: 10px;
}

.publications-layout .items-list .item-card .tags span {
    font-size: 0.6rem;
    text-transform: uppercase;
    font-weight: 700;
    color: var(--accent);
}

.publications-layout .items-list .item-card h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 10px;
    line-height: 1.3;
}

.publications-layout .items-list .item-card .authors {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 10px;
}

.publications-layout .items-list .item-card p {
    font-size: 0.8rem;
    line-height: 1.5;
    color: var(--text-muted);
    margin-bottom: 15px;
}

.btn-icon {
    font-size: 0.85rem;
    vertical-align: middle;
    margin-right: 2px;
}

.publications-layout .items-list .item-card .card-links {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: auto;
    align-items: flex-start;
}

.publications-layout .items-list .item-card .card-links a {
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--accent);
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border: 0.5px solid var(--accent);
    padding: 4px 10px;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 3px;
}

[data-theme="dark"] .publications-layout .items-list .item-card .card-links a {
    color: rgba(107, 163, 232, 0.65);
    border-color: rgba(107, 163, 232, 0.35);
}

.publications-layout .items-list .item-card .card-links a:hover {
    background-color: var(--accent);
    color: #ffffff;
}

/* === PROJECTS === */
.projects-layout .projects-intro {
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-muted);
    margin-bottom: 50px;
}

.projects-layout .featured-projects-grid {
    columns: 2;
    column-gap: 40px;
    margin-bottom: 60px;
}

.projects-layout .featured-projects-grid .featured-card {
    break-inside: avoid;
    margin-bottom: 40px;
    padding: 24px;
    background-color: rgba(26, 91, 184, 0.05);
}

[data-theme="dark"] .projects-layout .featured-projects-grid .featured-card {
    background-color: rgba(107, 163, 232, 0.06);
}

.projects-layout .featured-projects-grid .featured-card .proj-img {
    background-color: var(--border-color);
    overflow: hidden;
    margin-bottom: 20px;
}

.projects-layout .featured-projects-grid .featured-card .proj-img img {
    width: 100%;
    height: auto;
    display: block;
    filter: grayscale(var(--img-grayscale));
    transition: filter 0.3s ease;
}

.projects-layout .featured-projects-grid .featured-card:hover .proj-img img {
    filter: grayscale(0%);
}

.projects-layout .featured-projects-grid .featured-card .status-badge {
    display: inline-block;
    font-size: 0.65rem;
    text-transform: uppercase;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 10px;
}

.projects-layout .featured-projects-grid .featured-card h3 {
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.projects-layout .featured-projects-grid .featured-card p {
    font-size: 0.85rem;
    line-height: 1.6;
    color: var(--text-muted);
    margin-bottom: 20px;
}

.projects-layout .featured-projects-grid .featured-card .btn-action {
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--accent);
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border: 0.5px solid var(--accent);
    padding: 6px 14px;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

[data-theme="dark"] .projects-layout .featured-projects-grid .featured-card .btn-action {
    color: rgba(107, 163, 232, 0.65);
    border-color: rgba(107, 163, 232, 0.35);
}

.projects-layout .featured-projects-grid .featured-card .btn-action:hover {
    background-color: var(--accent);
    color: #ffffff;
}

.projects-layout .minor-projects-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.projects-layout .minor-projects-grid .minor-card {
    border-top: 1px solid var(--border-color);
    padding-top: 20px;
    display: flex;
    flex-direction: column;
}

.projects-layout .minor-projects-grid .minor-card .minor-card-image {
    width: 100%;
    height: 100px;
    overflow: hidden;
    margin-bottom: 10px;
}

.projects-layout .minor-projects-grid .minor-card .minor-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(var(--img-grayscale));
    transition: filter 0.5s ease;
}

.projects-layout .minor-projects-grid .minor-card .minor-card-image:hover img {
    filter: grayscale(0%);
}

.projects-layout .minor-projects-grid .minor-card .status {
    font-size: 0.6rem;
    text-transform: uppercase;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 8px;
}

.projects-layout .minor-projects-grid .minor-card h4 {
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.projects-layout .minor-projects-grid .minor-card p {
    font-size: 0.75rem;
    line-height: 1.5;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.projects-layout .minor-projects-grid .minor-card a {
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--accent);
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border: 0.5px solid var(--accent);
    padding: 4px 10px;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 3px;
    margin-top: auto;
    align-self: flex-start;
}

[data-theme="dark"] .projects-layout .minor-projects-grid .minor-card a {
    color: rgba(107, 163, 232, 0.65);
    border-color: rgba(107, 163, 232, 0.35);
}

.projects-layout .minor-projects-grid .minor-card a:hover {
    background-color: var(--accent);
    color: #ffffff;
}

/* === BLOG PREVIEW === */
.blog-preview {
    width: 100%;
}

.blog-preview .blog-preview-tagline {
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-muted);
    margin-bottom: 30px;
}

.blog-preview .blog-preview-link,
.section-view-link {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--bg-site);
    background-color: var(--text-main);
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border: none;
    padding: 12px 24px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: background-color 0.2s ease;
    cursor: pointer;
}

.blog-preview .blog-preview-link:hover,
.section-view-link:hover {
    background-color: var(--accent);
    color: #ffffff;
}

.blog-preview .blog-preview-wrapper {
    text-align: center;
}

.section-view-wrapper {
    text-align: center;
    margin-top: 40px;
}

.blog-preview .blog-cards {
    display: flex;
    gap: 24px;
    margin-bottom: 30px;
    width: 100%;
}

.blog-preview .blog-card {
    display: flex;
    flex-direction: column;
    border: 1px solid var(--border-color);
    text-decoration: none;
    color: var(--text-main);
    transition: all 0.2s ease;
    flex: 1 1 0;
    min-width: 0;
}

.blog-preview .blog-card:hover {
    border-color: var(--accent);
}

.blog-preview .blog-card .blog-card-image {
    width: 100%;
    height: 160px;
    overflow: hidden;
}

.blog-preview .blog-card .blog-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(var(--img-grayscale));
    transition: filter 0.5s ease;
}

.blog-preview .blog-card:hover .blog-card-image img {
    filter: grayscale(0%);
}

.blog-preview .blog-card .blog-card-body {
    padding: 16px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.blog-preview .blog-card .blog-card-meta {
    font-size: 0.7rem;
    text-transform: uppercase;
    color: var(--text-muted);
    letter-spacing: 0.05em;
    margin-bottom: 6px;
}

.blog-preview .blog-card .blog-card-body h3 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 8px;
    line-height: 1.3;
}

.blog-preview .blog-card .blog-card-body p {
    font-size: 0.8rem;
    line-height: 1.5;
    color: var(--text-muted);
    margin-bottom: 12px;
    flex: 1;
}

.blog-preview .blog-card .blog-card-footer {
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

@media (max-width: 768px) {
    .blog-preview .blog-cards {
        flex-direction: column;
    }
}

/* === CONTACT === */
.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-layout .contact-info p.message {
    font-size: 1.1rem;
    line-height: 1.6;
    color: var(--text-muted);
    margin-bottom: 40px;
    white-space: pre-line;
}

.contact-layout .contact-info .contact-details {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.contact-layout .contact-info .contact-details .detail-row {
    display: flex;
    align-items: flex-start;
    gap: 15px;
}

.contact-layout .contact-info .contact-details .detail-row .material-icons {
    color: var(--accent);
    font-size: 1.4rem;
}

.contact-layout .contact-info .contact-details .detail-row .detail-content h5 {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 4px;
}

.contact-layout .contact-info .contact-details .detail-row .detail-content span,
.contact-layout .contact-info .contact-details .detail-row .detail-content a {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-decoration: none;
    line-height: 1.4;
    white-space: pre-line;
}

.contact-layout .contact-info .contact-details .detail-row .detail-content a:hover {
    color: var(--accent);
}

.contact-layout .contact-info .socials-row {
    display: flex;
    gap: 0.8rem;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
    padding-left: calc(1.4rem + 15px);
}

.contact-layout .contact-info .socials-row a {
    display: flex;
    align-items: center;
    opacity: 0.5;
    transition: all 0.2s;
}

.contact-layout .contact-info .socials-row a:hover {
    opacity: 1;
}

.contact-layout .contact-info .socials-row a:hover img {
    filter: brightness(0) saturate(100%) invert(33%) sepia(88%) saturate(1850%) hue-rotate(200deg) brightness(100%) contrast(105%);
}

[data-theme="dark"] .contact-layout .contact-info .socials-row a img {
    filter: brightness(0) invert(1);
}

[data-theme="dark"] .contact-layout .contact-info .socials-row a:hover img {
    filter: brightness(0) saturate(100%) invert(33%) sepia(88%) saturate(1850%) hue-rotate(200deg) brightness(100%) contrast(105%);
}

.contact-layout .contact-form {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.contact-layout .contact-form .form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.contact-layout .contact-form .form-group label {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.contact-layout .contact-form .form-group input,
.contact-layout .contact-form .form-group textarea {
    background-color: transparent;
    border: none;
    border-bottom: 1px solid var(--text-main);
    padding: 10px 0;
    color: var(--text-main);
    font-family: var(--font-sans);
    font-size: 0.9rem;
    outline: none;
    transition: border-color 0.2s ease;
}

.contact-layout .contact-form .form-group input:focus,
.contact-layout .contact-form .form-group textarea:focus {
    border-color: var(--accent);
}

.contact-layout .contact-form button.submit-btn {
    background-color: var(--text-main);
    color: var(--bg-site);
    border: none;
    padding: 15px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: 0.8rem;
    cursor: pointer;
    transition: background-color 0.2s ease, transform 0.1s ease;
}

.contact-layout .contact-form button.submit-btn:hover {
    background-color: var(--accent);
    color: #ffffff;
}

.contact-layout .contact-form button.submit-btn:active {
    transform: scale(0.98);
}

.contact-layout .contact-map,
.contact-layout .contact-image {
    width: 100%;
    min-height: 400px;
    overflow: hidden;
}

.contact-layout .contact-map iframe {
    width: 100%;
    height: 100%;
    min-height: 400px;
    border: none;
}

.contact-layout .contact-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* === FOOTER === */
.site-footer {
    padding: 2rem 40px;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 1.5rem;
}

.site-footer .footer-left {
    font-weight: 800;
    font-size: 1.15rem;
    letter-spacing: 0.1em;
    color: #ffffff;
    background-color: #1C1C1C;
    padding: 6px 14px;
    line-height: 1;
    display: inline-block;
}

[data-theme="dark"] .site-footer .footer-left {
    color: #1C1C1C;
    background-color: #ffffff;
}

.site-footer .footer-center {
    display: none;
}

.site-footer .footer-right {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.4rem;
}

.site-footer .footer-right a {
    font-size: 0.7rem;
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 1px;
    color: var(--text-muted);
    text-decoration: none;
}

.site-footer .footer-right a:hover {
    color: var(--accent);
}

.avi-credit {
    margin-top: 1rem;
    padding: 0.75rem 40px 1.5rem;
    border-top: 1px solid var(--border-color);
    opacity: 0.4;
    font-size: 0.5rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--text-muted);
    line-height: 1.7;
    text-align: center;
    min-height: 60px;
}

.avi-credit a {
    color: inherit;
    text-decoration: underline;
    text-underline-offset: 2px;
}

.avi-credit a:hover {
    opacity: 1;
    color: var(--text-main);
}

/* === RESPONSIVE === */
@media (max-width: 992px) {
    .site-header {
        display: flex;
        flex-wrap: wrap;
        justify-content: space-between;
        align-items: center;
        gap: 10px;
        text-align: center;
    }

    .site-header .hamburger {
        display: flex;
    }

    .site-header .nav-divider {
        display: none;
    }

    .site-header .nav-actions {
        display: none;
    }

    .site-header .nav-links {
        display: none;
    }

    .site-header .nav-links .nav-links-list {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 28px;
    }

    .site-header .nav-links .nav-links-list a {
        font-size: 1.2rem;
    }

    .site-header .nav-links.open {
        position: fixed;
        inset: 0;
        z-index: 200;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 40px;
        background-color: var(--bg-site);
        padding: 60px 20px;
    }

    .site-header .nav-links .mobile-close {
        display: flex;
        position: absolute;
        top: 1.5rem;
        right: 1.5rem;
        background: none;
        border: none;
        cursor: pointer;
        color: var(--text-main);
        font-size: 1.5rem;
        font-weight: 700;
        line-height: 1;
        padding: 4px;
        align-items: center;
        justify-content: center;
    }

    .site-header .nav-links .nav-mobile-actions {
        display: flex;
        flex-direction: row;
        justify-content: center;
        align-items: center;
        gap: 12px;
        padding: 8px 0;
        width: 100%;
    }

    .site-header .nav-links .nav-mobile-actions .nav-cv-btn {
        background: none;
        border: none;
        cursor: pointer;
        color: #ffffff;
        background-color: #1C1C1C;
        padding: 6px 14px;
        font-family: var(--font-sans);
        font-size: 0.75rem;
        font-weight: 700;
        letter-spacing: 0.1em;
        line-height: 1;
        transition: opacity 0.2s ease;
    }

    .site-header .nav-links .nav-mobile-actions .nav-cv-btn:hover {
        opacity: 0.8;
    }

    .site-header .nav-links .nav-mobile-actions .theme-btn {
        background: none;
        border: none;
        cursor: pointer;
        padding: 4px;
        display: flex;
        align-items: center;
        transition: opacity 0.2s ease;
    }

    .site-header .nav-links .nav-mobile-actions .theme-btn:hover {
        opacity: 0.6;
    }

    .site-header .nav-links .nav-mobile-actions .theme-btn img {
        width: 24px;
        height: 24px;
    }

    section.page-section {
        padding: 40px 20px;
    }

    .hero-layout,
    .education-layout,
    .publications-layout .featured-pub,
    .projects-layout .featured-projects-grid,
    .contact-layout {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .projects-layout .featured-projects-grid {
        columns: 1;
    }

    .hero-layout .hero-text h1 {
        font-size: 2.5rem;
    }

    .education-layout .timeline-display .accordion-item .accordion-header {
        font-size: 1rem;
        opacity: 0.5;
        border-bottom: 1px solid var(--border-color);
        padding: 14px 0;
        display: flex;
        justify-content: space-between;
        align-items: center;
        background: none;
        border: none;
        width: 100%;
        text-align: left;
        font-weight: 700;
        color: var(--text-main);
        cursor: pointer;
    }

    .education-layout .timeline-display .accordion-item .accordion-header::after {
        content: "+";
        font-size: 1.2rem;
        font-weight: 300;
        color: var(--text-muted);
    }

    .education-layout .timeline-display .accordion-item .accordion-header.active {
        opacity: 1;
        color: var(--accent);
    }

    .education-layout .timeline-display .accordion-item .accordion-header.active::after {
        content: "\2212";
        color: var(--accent);
    }

    .education-layout .timeline-display .accordion-content {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.4s ease, padding 0.3s ease;
        padding: 0;
        border-bottom: 1px solid var(--border-color);
    }

    .education-layout .accordion-content.open {
        max-height: 2000px;
        padding: 20px 0;
    }

    .education-layout .accordion-content .meta-tag {
        font-size: 0.7rem;
        font-weight: 600;
        text-transform: uppercase;
        color: var(--text-muted);
        letter-spacing: 0.05em;
        margin-bottom: 6px;
    }

    .education-layout .accordion-content h3 {
        font-size: 1.2rem;
        font-weight: 700;
        margin-bottom: 6px;
        line-height: 1.2;
    }

    .education-layout .accordion-content h4 {
        font-size: 0.85rem;
        font-weight: 500;
        color: var(--accent);
        margin-bottom: 2px;
    }

    .education-layout .accordion-content .accordion-date {
        font-size: 0.75rem;
        font-weight: 600;
        color: var(--text-muted);
        text-transform: uppercase;
        letter-spacing: 0.05em;
        margin-bottom: 12px;
    }

    .education-layout .accordion-content .info-block {
        margin-bottom: 16px;
    }

    .education-layout .accordion-content .info-block .block-label {
        font-size: 0.7rem;
        font-weight: 700;
        text-transform: uppercase;
        letter-spacing: 0.05em;
        margin-bottom: 8px;
    }

    .education-layout .accordion-content .info-block ul {
        list-style: none;
        padding: 0;
    }

    .education-layout .accordion-content .info-block ul li {
        font-size: 0.8rem;
        color: var(--text-muted);
        margin-bottom: 6px;
        padding-left: 12px;
        position: relative;
    }

    .education-layout .accordion-content .info-block ul li::before {
        content: "\2022";
        color: var(--accent);
        position: absolute;
        left: 0;
    }

    .education-layout .accordion-content .specs-grid {
        display: flex;
        flex-direction: column;
        gap: 12px;
        margin-bottom: 20px;
    }

    .education-layout .accordion-content .specs-grid .spec-row {
        font-size: 0.8rem;
        line-height: 1.4;
    }

    .education-layout .accordion-content .specs-grid .spec-row strong {
        text-transform: uppercase;
        font-size: 0.7rem;
        letter-spacing: 0.05em;
        display: block;
        margin-bottom: 2px;
    }

    .education-layout .accordion-content .specs-grid .spec-row span {
        color: var(--text-muted);
        white-space: pre-line;
    }

    .education-layout .accordion-content .timeline-link {
        font-size: 0.7rem;
        font-weight: 700;
        color: var(--accent);
        text-decoration: none;
        text-transform: uppercase;
        border: 0.5px solid var(--accent);
        padding: 6px 14px;
        letter-spacing: 0.05em;
        display: inline-flex;
        align-items: center;
        gap: 4px;
    }

    [data-theme="dark"] .education-layout .accordion-content .timeline-link {
        color: rgba(107, 163, 232, 0.65);
        border-color: rgba(107, 163, 232, 0.35);
    }

    .publications-layout .items-list {
        grid-template-columns: 1fr 1fr;
    }

    .projects-layout .minor-projects-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 576px) {
    .publications-layout .items-list,
    .projects-layout .minor-projects-grid {
        grid-template-columns: 1fr;
    }
}

[data-theme="dark"] .site-header .nav-links .nav-mobile-actions .nav-cv-btn {
    color: #1C1C1C;
    background-color: #ffffff;
}