/* =============================================
   DANIELA MURAWCZYK PORTFOLIO - STYLES
   ============================================= */

:root {
    --bg-primary: #ffffff;
    --bg-secondary: #f5f7fa;
    --bg-card: #ffffff;
    --text-primary: #1a2744;
    --text-secondary: #4a5568;
    --accent-copper: #1a2744;
    --accent-copper-light: #2d3a4f;
    --accent-green: #22a55b;
    --accent-blue: #1a2744;
    --border: #e2e8f0;
    --grid-color: rgba(26, 39, 68, 0.06);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'JetBrains Mono', monospace;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Background Effects */
.grid-bg {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(var(--grid-color) 1px, transparent 1px),
        linear-gradient(90deg, var(--grid-color) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
    z-index: 0;
}

.noise-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0.03;
    pointer-events: none;
    z-index: 1;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 1.5rem 3rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: linear-gradient(to bottom, var(--bg-primary) 0%, transparent 100%);
}

.logo {
    font-family: 'Instrument Serif', serif;
    font-size: 1.5rem;
    font-style: italic;
    color: var(--accent-copper);
    text-decoration: none;
    letter-spacing: -0.02em;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
    list-style: none;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    transition: color 0.3s ease;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--accent-copper);
    transition: width 0.3s ease;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--text-primary);
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
    z-index: 101;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: all 0.3s ease;
}

.mobile-menu-btn.active span:first-child {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.active span:last-child {
    transform: rotate(-45deg) translate(5px, -5px);
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-primary);
    z-index: 99;
    align-items: center;
    justify-content: center;
}

.mobile-menu.active {
    display: flex;
}

.mobile-menu ul {
    list-style: none;
    text-align: center;
}

.mobile-menu li {
    margin: 2rem 0;
}

.mobile-menu a {
    font-family: 'Instrument Serif', serif;
    font-size: 2rem;
    color: var(--text-primary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.mobile-menu a:hover {
    color: var(--accent-copper);
}

/* Hero Section */
.hero {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 8rem 6rem 4rem;
    position: relative;
    z-index: 2;
}

.hero-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.3em;
    color: var(--accent-copper);
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    opacity: 0;
    animation: fadeSlideUp 0.8s ease forwards;
    animation-delay: 0.2s;
}

.hero-label::before {
    content: '';
    width: 40px;
    height: 1px;
    background: var(--accent-copper);
}

.hero-title {
    font-family: 'Instrument Serif', serif;
    font-size: clamp(3.5rem, 10vw, 8rem);
    font-weight: 400;
    line-height: 1.05;
    margin-bottom: 2rem;
    letter-spacing: -0.03em;
}

.hero-title .line {
    display: block;
    overflow: hidden;
}

.hero-title .line span {
    display: block;
    opacity: 0;
    transform: translateY(100%);
    animation: revealText 1s ease forwards;
}

.hero-title .line:nth-child(1) span { animation-delay: 0.4s; }
.hero-title .line:nth-child(2) span { animation-delay: 0.55s; }

.hero-title em {
    font-style: italic;
    color: var(--accent-copper-light);
}

.hero-subtitle {
    font-size: 1rem;
    color: var(--text-secondary);
    max-width: 500px;
    margin-bottom: 3rem;
    opacity: 0;
    animation: fadeSlideUp 0.8s ease forwards;
    animation-delay: 0.8s;
}

.hero-bio {
    max-width: 600px;
    margin-bottom: 3rem;
    opacity: 0;
    animation: fadeSlideUp 0.8s ease forwards;
    animation-delay: 0.8s;
}

.hero-bio p {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 1rem;
}

.hero-bio p:last-child {
    margin-bottom: 0;
}

.hero-bio .cta-line {
    color: var(--text-primary);
    margin-top: 1.5rem;
}

.hero-cta {
    display: flex;
    gap: 1.5rem;
    opacity: 0;
    animation: fadeSlideUp 0.8s ease forwards;
    animation-delay: 1s;
    margin-top: 2rem;
}

/* Buttons */
.btn {
    padding: 1rem 2rem;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    text-decoration: none;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    display: inline-block;
    z-index: 1;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--accent-copper);
    transition: left 0.3s ease;
    z-index: -1;
}

.btn:hover {
    border-color: var(--accent-copper);
    color: #ffffff;
}

.btn:hover::before {
    left: 0;
}

.btn-outline {
    background: transparent;
}

.btn-small {
    padding: 0.75rem 1.5rem;
    font-size: 0.7rem;
}

/* Circuit decoration */
.circuit-decoration {
    position: absolute;
    right: 6rem;
    top: 50%;
    transform: translateY(-50%);
    width: 400px;
    height: 400px;
    opacity: 0.15;
    pointer-events: none;
}

.circuit-decoration svg {
    width: 100%;
    height: 100%;
}

/* Stats bar */
.stats-bar {
    display: flex;
    gap: 4rem;
    padding-top: 2rem;
    margin-top: 3rem;
    border-top: 1px solid var(--border);
    opacity: 0;
    animation: fadeSlideUp 0.8s ease forwards;
    animation-delay: 1.2s;
}

.stat {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.stat-value {
    font-family: 'Instrument Serif', serif;
    font-size: 2.5rem;
    color: var(--accent-copper);
}

.stat-label {
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--text-secondary);
}

/* Page Header */
.page-header {
    padding: 10rem 6rem 4rem;
    position: relative;
    z-index: 2;
}

.page-header .page-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.3em;
    color: var(--accent-copper);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.page-header .page-label::before {
    content: '';
    width: 40px;
    height: 1px;
    background: var(--accent-copper);
}

.page-header h1 {
    font-family: 'Instrument Serif', serif;
    font-size: clamp(2.5rem, 6vw, 5rem);
    font-weight: 400;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.page-header h1 em {
    font-style: italic;
    color: var(--accent-copper-light);
}

.page-header .page-description {
    font-size: 1rem;
    color: var(--text-secondary);
    max-width: 600px;
    line-height: 1.8;
}

/* Section styles */
section {
    position: relative;
    z-index: 2;
    padding: 2rem 6rem;
}

.home-section {
    padding: 6rem;
}

.section-header {
    display: flex;
    align-items: center;
    gap: 2rem;
    margin-bottom: 3rem;
}

.section-number {
    font-family: 'Instrument Serif', serif;
    font-size: 1rem;
    color: var(--accent-copper);
    font-style: italic;
}

.section-title {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.3em;
    color: var(--text-secondary);
}

.section-line {
    flex: 1;
    height: 1px;
    background: var(--border);
}

.section-link {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent-copper);
    text-decoration: none;
    transition: color 0.3s ease;
}

.section-link:hover {
    color: var(--accent-copper-light);
}

/* Featured Grid (Home) */
.featured-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.featured-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 2rem;
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.4s ease;
    position: relative;
}

.featured-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 3px;
    height: 0;
    background: var(--accent-copper);
    transition: height 0.4s ease;
}

.featured-card:hover {
    border-color: var(--accent-copper);
    transform: translateY(-4px);
}

.featured-card:hover::before {
    height: 100%;
}

/* Projects Grid */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.project-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 2.5rem;
    position: relative;
    overflow: hidden;
    transition: all 0.4s ease;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 3px;
    height: 0;
    background: var(--accent-copper);
    transition: height 0.4s ease;
}

.project-card:hover {
    border-color: var(--accent-copper);
    transform: translateY(-4px);
}

.project-card:hover::before {
    height: 100%;
}

/* Clickable Project Cards */
a.project-card.clickable {
    text-decoration: none;
    cursor: pointer;
}

a.project-card.clickable:hover {
    transform: translateY(-4px);
}

.view-project-link {
    display: inline-block;
    margin-top: 1rem;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--accent-copper);
    transition: gap 0.3s ease;
}

a.project-card.clickable:hover .view-project-link {
    text-decoration: underline;
}

.project-card.featured {
    display: block;
}

.project-card.featured .project-info {
    display: block;
}

.project-year {
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--accent-copper);
    margin-bottom: 1rem;
    display: block;
}

.project-title {
    font-family: 'Instrument Serif', serif;
    font-size: 1.75rem;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.project-description {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag {
    font-size: 0.6rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: 0.4rem 0.8rem;
    background: rgba(184, 115, 51, 0.1);
    border: 1px solid rgba(184, 115, 51, 0.3);
    color: var(--accent-copper-light);
}

.project-visual {
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    padding: 2rem;
    position: relative;
}

.schematic-icon {
    width: 100%;
    max-width: 300px;
    opacity: 0.6;
}

/* Publications */
.publications-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.publication {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 2rem;
    align-items: center;
    padding: 2rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    transition: all 0.3s ease;
}

.publication:hover {
    border-color: var(--accent-green);
}

.publication-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--accent-green);
    color: var(--accent-green);
    font-size: 1.2rem;
}

.publication-content h3 {
    font-family: 'Instrument Serif', serif;
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    line-height: 1.3;
}

.publication-content p {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.publication-link {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--accent-green);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: gap 0.3s ease;
}

.publication-link:hover {
    gap: 1rem;
}

/* Publications Preview (Home) */
.publications-preview {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.pub-preview-item {
    padding: 2rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    transition: border-color 0.3s ease;
}

.pub-preview-item:hover {
    border-color: var(--accent-green);
}

.pub-preview-item .pub-type {
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--accent-green);
    margin-bottom: 1rem;
    display: block;
}

.pub-preview-item h3 {
    font-family: 'Instrument Serif', serif;
    font-size: 1.25rem;
    line-height: 1.3;
}

/* Experience Timeline */
.timeline {
    position: relative;
    padding-left: 3rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 1px;
    background: var(--border);
}

.timeline-item {
    position: relative;
    padding-bottom: 3rem;
}

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -3rem;
    top: 0.5rem;
    width: 9px;
    height: 9px;
    background: var(--accent-copper);
    border-radius: 50%;
    transform: translateX(-4px);
}

.timeline-date {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--accent-copper);
    margin-bottom: 0.75rem;
}

.timeline-title {
    font-family: 'Instrument Serif', serif;
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.timeline-company {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.timeline-description {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.timeline-description ul {
    list-style: none;
    margin-top: 1rem;
}

.timeline-description li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.5rem;
}

.timeline-description li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--accent-copper);
}

/* About Page */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6rem;
    align-items: start;
}

.about-text {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.9;
}

.about-text p {
    margin-bottom: 1.5rem;
}

.about-text strong {
    color: var(--text-primary);
}

.skills-section {
    margin-top: 0;
}

.skills-section h3 {
    font-family: 'Instrument Serif', serif;
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.skills-grid-full {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.skill-category h4 {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--accent-copper);
    margin-bottom: 0.75rem;
}

.skill-category ul {
    list-style: none;
}

.skill-category li {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 0.4rem;
}

.about-sidebar {
    position: sticky;
    top: 8rem;
}

.about-photo {
    width: 100%;
    aspect-ratio: 4/5;
    background: var(--bg-card);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 2rem;
}

.about-photo-placeholder {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.2em;
}

.quick-facts {
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 2rem;
}

.quick-facts h4 {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--accent-copper);
    margin-bottom: 1.5rem;
}

.quick-facts ul {
    list-style: none;
}

.quick-facts li {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.quick-facts li span {
    color: var(--accent-copper);
}

/* Contact Page */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6rem;
}

.contact-info h2 {
    font-family: 'Instrument Serif', serif;
    font-size: clamp(2rem, 4vw, 3rem);
    line-height: 1.2;
    margin-bottom: 2rem;
}

.contact-info h2 em {
    font-style: italic;
    color: var(--accent-copper-light);
}

.contact-info p {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 3rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.contact-label {
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--text-secondary);
}

.contact-value {
    font-family: 'Instrument Serif', serif;
    font-size: 1.5rem;
    color: var(--text-primary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-value:hover {
    color: var(--accent-copper);
}

.contact-form {
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 3rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.9rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    color: var(--text-primary);
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-copper);
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

/* CTA Section */
.cta-section {
    padding: 8rem 6rem;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    text-align: center;
}

.cta-content h2 {
    font-family: 'Instrument Serif', serif;
    font-size: clamp(2rem, 5vw, 3.5rem);
    margin-bottom: 1.5rem;
}

.cta-content h2 em {
    font-style: italic;
    color: var(--accent-copper-light);
}

.cta-content p {
    font-size: 1rem;
    color: var(--text-secondary);
    max-width: 500px;
    margin: 0 auto 2rem;
}

/* Footer */
footer {
    position: relative;
    z-index: 2;
    padding: 3rem 6rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.7rem;
    color: var(--text-secondary);
}

/* View Gallery Button */
.view-gallery-btn {
    display: block;
    width: 100%;
    margin-top: 1.5rem;
    padding: 0.75rem 1rem;
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    cursor: pointer;
    transition: all 0.3s ease;
}

.view-gallery-btn:hover {
    border-color: var(--accent-copper);
    color: var(--accent-copper);
    background: rgba(184, 115, 51, 0.05);
}

/* Gallery Modal */
.gallery-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.95);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    flex-direction: column;
}

.gallery-modal.active {
    display: flex;
}

.gallery-close {
    position: absolute;
    top: 1.5rem;
    right: 2rem;
    font-size: 2.5rem;
    color: #ffffff;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1001;
    transition: color 0.3s ease;
}

.gallery-close:hover {
    color: var(--accent-copper);
}

.gallery-content {
    display: flex;
    align-items: center;
    gap: 2rem;
    max-width: 90vw;
    max-height: 70vh;
}

.gallery-image-container {
    position: relative;
}

.gallery-image-container img {
    max-width: 80vw;
    max-height: 65vh;
    object-fit: contain;
}

.gallery-counter {
    position: absolute;
    bottom: -2rem;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.75rem;
    color: var(--text-secondary);
    letter-spacing: 0.1em;
}

.gallery-caption {
    position: absolute;
    bottom: -3.5rem;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.85rem;
    color: var(--text-primary);
    text-align: center;
    max-width: 80%;
    white-space: nowrap;
}

.gallery-caption {
    text-align: center;
    margin-top: 1rem;
    font-size: 0.85rem;
    color: var(--text-primary);
    font-style: italic;
}

.gallery-nav {
    background: none;
    border: 1px solid var(--border);
    color: var(--text-primary);
    font-size: 1.5rem;
    padding: 1rem 1.25rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.gallery-nav:hover {
    border-color: var(--accent-copper);
    color: var(--accent-copper);
}

.gallery-thumbnails {
    display: flex;
    gap: 0.75rem;
    margin-top: 3rem;
    overflow-x: auto;
    max-width: 90vw;
    padding: 0.5rem;
}

.gallery-thumbnails img {
    width: 80px;
    height: 60px;
    object-fit: cover;
    cursor: pointer;
    opacity: 0.5;
    border: 2px solid transparent;
    transition: all 0.3s ease;
}

.gallery-thumbnails img:hover {
    opacity: 0.8;
}

.gallery-thumbnails img.active {
    opacity: 1;
    border-color: var(--accent-copper);
}

.footer-left {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.status-dot {
    width: 6px;
    height: 6px;
    background: var(--accent-green);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

/* Animations */
@keyframes fadeSlideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes revealText {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

/* Scroll animations */
.fade-in {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger children */
.fade-in:nth-child(1) { transition-delay: 0.1s; }
.fade-in:nth-child(2) { transition-delay: 0.2s; }
.fade-in:nth-child(3) { transition-delay: 0.3s; }
.fade-in:nth-child(4) { transition-delay: 0.4s; }
.fade-in:nth-child(5) { transition-delay: 0.5s; }
.fade-in:nth-child(6) { transition-delay: 0.6s; }

/* Responsive */
@media (max-width: 1024px) {
    .hero, section, .page-header, .home-section {
        padding-left: 3rem;
        padding-right: 3rem;
    }

    nav {
        padding: 1.5rem 2rem;
    }

    .nav-links {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .projects-grid,
    .featured-grid,
    .publications-preview {
        grid-template-columns: 1fr;
    }

    .project-card.featured {
        display: block;
    }

    .about-content,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .about-sidebar {
        position: static;
        order: -1;
    }

    .about-photo {
        max-width: 300px;
    }

    .stats-bar {
        left: 3rem;
        right: 3rem;
        gap: 2rem;
        flex-wrap: wrap;
    }

    .circuit-decoration {
        display: none;
    }

    footer {
        padding: 2rem 3rem;
        flex-direction: column;
        gap: 1rem;
    }

    .cta-section {
        padding: 6rem 3rem;
    }
}

@media (max-width: 640px) {
    .hero, section, .page-header, .home-section {
        padding-left: 1.5rem;
        padding-right: 1.5rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .stats-bar {
        left: 1.5rem;
        right: 1.5rem;
        gap: 1.5rem;
    }

    .stat-value {
        font-size: 1.75rem;
    }

    .publication {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .publication-icon {
        display: none;
    }

    .skills-grid {
        grid-template-columns: 1fr;
    }

    .hero-cta {
        flex-direction: column;
    }

    .btn {
        text-align: center;
    }
}

/* ============================================
   DEDICATED PROJECT PAGE STYLES
   ============================================ */

/* Back Link */
.project-back-link {
    position: relative;
    z-index: 2;
    padding: 6rem 6rem 0;
}

.project-back-link a {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.project-back-link a:hover {
    color: var(--accent-copper);
}

/* Project Hero */
.project-hero {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    padding: 3rem 6rem 4rem;
    align-items: center;
}

.project-hero-content {
    max-width: 600px;
}

.project-hero-content .project-year {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.3em;
    color: var(--accent-copper);
    margin-bottom: 1.5rem;
    display: block;
}

.project-hero-content h1 {
    font-family: 'Instrument Serif', serif;
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 400;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.project-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 2rem;
}

.project-hero-image {
    width: 100%;
    aspect-ratio: 4/3;
    background: var(--bg-card);
    border: 1px solid var(--border);
    overflow: hidden;
}

.project-hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Image Placeholder */
.image-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border: 1px dashed var(--border);
    color: var(--text-secondary);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    text-align: center;
    padding: 2rem;
}

.image-placeholder small {
    display: block;
    margin-top: 0.5rem;
    font-size: 0.7rem;
    color: var(--accent-copper);
    text-transform: none;
    letter-spacing: 0;
}

/* Project Sections */
.project-section {
    position: relative;
    z-index: 2;
    padding: 3rem 6rem;
}

.project-overview {
    max-width: 800px;
}

.project-overview p {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.9;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.feature-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 2rem;
    transition: border-color 0.3s ease;
}

.feature-item:hover {
    border-color: var(--accent-copper);
}

.feature-item h4 {
    font-family: 'Instrument Serif', serif;
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.feature-item p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Project Gallery */
.project-gallery {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.gallery-item {
    aspect-ratio: 4/3;
    background: var(--bg-card);
    border: 1px solid var(--border);
    overflow: hidden;
    transition: transform 0.3s ease;
}

.gallery-item:hover {
    transform: scale(1.02);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Schematics Gallery */
.schematics-gallery {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.schematic-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 2rem;
}

.schematic-item img {
    width: 100%;
    height: auto;
    display: block;
}

.schematic-caption {
    margin-top: 1rem;
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-align: center;
}

/* Technical Details */
.tech-details {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.tech-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.tech-label {
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--text-secondary);
}

.tech-value {
    font-family: 'Instrument Serif', serif;
    font-size: 1.25rem;
    color: var(--text-primary);
}

/* Project Navigation */
.project-nav {
    position: relative;
    z-index: 2;
    padding: 4rem 6rem;
    display: flex;
    justify-content: flex-end;
    gap: 2rem;
    border-top: 1px solid var(--border);
}

.project-nav-item {
    text-decoration: none;
    text-align: right;
    transition: transform 0.3s ease;
}

.project-nav-item:hover {
    transform: translateX(10px);
}

.project-nav-item.prev {
    text-align: left;
    margin-right: auto;
}

.project-nav-item.prev:hover {
    transform: translateX(-10px);
}

.nav-label {
    display: block;
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.nav-title {
    font-family: 'Instrument Serif', serif;
    font-size: 1.25rem;
    color: var(--accent-copper);
}

/* Project Page Responsive */
@media (max-width: 1024px) {
    .project-back-link,
    .project-hero,
    .project-section,
    .project-nav {
        padding-left: 3rem;
        padding-right: 3rem;
    }

    .project-hero {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .tech-details {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .project-back-link,
    .project-hero,
    .project-section,
    .project-nav {
        padding-left: 1.5rem;
        padding-right: 1.5rem;
    }

    .features-grid,
    .project-gallery,
    .tech-details {
        grid-template-columns: 1fr;
    }

    .project-nav {
        flex-direction: column;
    }

    .project-nav-item,
    .project-nav-item.prev {
        text-align: center;
    }

    .project-nav-item:hover,
    .project-nav-item.prev:hover {
        transform: none;
    }
}