/* Modern Design System */
:root {
    --primary-color: #3498db;
    --secondary-color: #2c3e50;
    --accent-color: #e74c3c;
    --background-color: #f8f9fa;
    --text-color: #333;
    --text-light: #666;
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.1);
    --transition: all 0.3s ease;
    --border-radius: 12px;
}

/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background-color);
}

/* Modern Navigation */
header {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    transition: var(--transition);
}

header.scrolled {
    background: rgba(255, 255, 255, 0.95);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    font-size: 1.8rem;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    font-weight: bold;
}

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

.nav-links li a {
    color: var(--text-color);
    text-decoration: none;
    position: relative;
    padding: 0.5rem 1rem;
    transition: var(--transition);
}

.nav-links li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
}

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

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 0 2rem;
    position: relative;
    overflow: hidden;
    background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)), url('../assets/images/physics-bg.jpg');
    background-size: cover;
    background-position: center;
    color: white;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero-content h1 {
    font-size: clamp(3rem, 8vw, 4.5rem);
    margin-bottom: 1.5rem;
    background: linear-gradient(45deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    line-height: 1.2;
}

.hero-content h2 {
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    margin-bottom: 1.5rem;
    color: rgba(255,255,255,0.9);
}

.hero-content p {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto 2.5rem;
    color: rgba(255,255,255,0.8);
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-top: 2rem;
}

.social-icon {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.1);
    transition: var(--transition);
    color: white;
    font-size: 1.2rem;
}

.social-icon:hover {
    background: rgba(255,255,255,0.2);
    transform: translateY(-3px);
    color: var(--primary-color);
}

/* Research Section */
.research {
    padding: 8rem 2rem 4rem;
    max-width: 1200px;
    margin: 0 auto;
}

.research h2 {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    text-align: center;
    position: relative;
}

.research h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--primary-color);
}

.research-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
}

.research-item {
    background: white;
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid rgba(0,0,0,0.05);
}

.research-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.research-item h3 {
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.research-item p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

/* Publications Section */
.publications {
    padding: 8rem 2rem 4rem;
    background: var(--background-color);
}

.publications h2 {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    text-align: center;
    position: relative;
}

.publications h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--primary-color);
}

/* Teaching Section */
.teaching {
    padding: 8rem 2rem 4rem;
}

.teaching h2 {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    text-align: center;
    position: relative;
}

.teaching h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--primary-color);
}

/* CV Section */
.cv {
    padding: 8rem 2rem 4rem;
    background: var(--background-color);
}

.cv h2 {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    text-align: center;
    position: relative;
}

.cv h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--primary-color);
}

.cv-content {
    max-width: 800px;
    margin: 0 auto;
}

.cv-header {
    text-align: center;
    margin-bottom: 2rem;
}

.cv-header p {
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.cv-download {
    margin-top: 1.5rem;
}

.download-btn {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    background: var(--primary-color);
    color: white;
    text-decoration: none;
    border-radius: var(--border-radius);
    transition: var(--transition);
    margin-top: 1rem;
}

.download-btn:hover {
    background: #2980b9;
    transform: translateY(-2px);
}

.cv-section {
    margin-top: 3rem;
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
}

.cv-section h3 {
    color: var(--secondary-color);
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid #eee;
}

.cv-item {
    margin-bottom: 1.5rem;
    position: relative;
    padding-left: 1rem;
    border-left: 2px solid var(--primary-color);
}

.cv-subtitle {
    font-style: italic;
    color: var(--text-light);
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.cv-details {
    margin-top: 0.8rem;
    margin-bottom: 0;
    padding-left: 1.5rem;
}

.cv-details li {
    margin-bottom: 0.5rem;
    line-height: 1.5;
    color: var(--text-light);
}

.cv-title {
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--text-color);
    margin-bottom: 0.3rem;
}

.cv-place {
    color: var(--text-light);
    margin-bottom: 0.3rem;
}

.cv-date {
    color: var(--primary-color);
    font-weight: 500;
    font-size: 0.9rem;
}

.cv-link a {
    color: var(--primary-color);
    text-decoration: none;
    display: inline-block;
    margin-top: 0.5rem;
    font-weight: 500;
}

.cv-link a:hover {
    text-decoration: underline;
}

/* Contact Section */
.contact {
    padding: 8rem 2rem 4rem;
}

.contact h2 {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    text-align: center;
    position: relative;
}

.contact h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--primary-color);
}

.contact-info {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.contact-info p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.contact-info i {
    margin-right: 0.5rem;
    color: var(--primary-color);
}

/* Tutorials Section */
.tutorials {
    padding: 8rem 2rem 4rem;
    background: var(--background-color);
}

.tutorials h2 {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    text-align: center;
    position: relative;
}

.tutorials h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--primary-color);
}

.tutorials-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    gap: 4rem;
}

.tutorial-category {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.tutorial-category:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.tutorial-category h3 {
    color: var(--secondary-color);
    margin-bottom: 2rem;
    font-size: 1.8rem;
}

.tutorial-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.tutorial-card {
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.tutorial-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.card-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.tutorial-card:hover .card-image img {
    transform: scale(1.05);
}

.card-content {
    padding: 1.5rem;
}

.card-content h4 {
    color: var(--secondary-color);
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.card-content p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.tutorial-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.tag {
    background: var(--primary-color);
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.9rem;
    transition: var(--transition);
}

.tag:hover {
    background: #2980b9;
}

.start-learning {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    background: var(--primary-color);
    color: white;
    text-decoration: none;
    border-radius: var(--border-radius);
    transition: var(--transition);
    font-weight: 500;
}

.start-learning:hover {
    background: #2980b9;
    transform: translateY(-2px);
}

/* Responsive Design for Tutorials */
@media (max-width: 768px) {
    .tutorials-grid {
        gap: 3rem;
    }

    .tutorial-category {
        padding: 1.5rem;
    }

    .tutorial-cards {
        grid-template-columns: 1fr;
    }

    .card-image {
        height: 250px;
    }
}

/* Tutorial Page Styles */
.tutorial-page {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

.tutorial-header {
    text-align: center;
    margin-bottom: 4rem;
}

.tutorial-header h1 {
    font-size: 2.5rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.tutorial-subtitle {
    color: var(--text-light);
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

.tutorial-meta {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.tutorial-content {
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: 3rem;
    margin-bottom: 4rem;
}

.tutorial-nav {
    position: sticky;
    top: 2rem;
}

.tutorial-nav ul {
    list-style: none;
    padding: 0;
}

.tutorial-nav li {
    margin-bottom: 0.5rem;
}

.tutorial-nav a {
    display: block;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    color: var(--text-color);
    text-decoration: none;
    transition: var(--transition);
}

.tutorial-nav a:hover,
.tutorial-nav a.active {
    background: var(--primary-color);
    color: white;
}

.tutorial-article {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
}

.tutorial-article h2 {
    color: var(--secondary-color);
    margin-top: 2rem;
    margin-bottom: 1.5rem;
    font-size: 1.8rem;
}

.tutorial-article p {
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

/* Code Syntax Highlighting */
pre {
    background: #f8f9fa;
    padding: 1.5rem;
    border-radius: var(--border-radius);
    overflow-x: auto;
    margin: 1.5rem 0;
}

pre code {
    display: block;
}

/* Responsive Design for Tutorial Pages */
@media (max-width: 1024px) {
    .tutorial-content {
        grid-template-columns: 1fr;
    }

    .tutorial-nav {
        position: static;
        margin-bottom: 2rem;
    }

    .tutorial-nav ul {
        display: flex;
        flex-wrap: wrap;
        gap: 1rem;
    }

    .tutorial-nav li {
        flex: 1;
        max-width: 120px;
    }
}

@media (max-width: 768px) {
    .tutorial-page {
        padding: 1rem;
    }

    .tutorial-header h1 {
        font-size: 2rem;
    }

    .tutorial-article {
        padding: 1.5rem;
    }
}

/* Publications Section */
.publications {
    padding: 8rem 2rem 4rem;
    max-width: 1200px;
    margin: 0 auto;
}

.publications h2 {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    text-align: center;
    position: relative;
}

.publications h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--primary-color);
}

.year-heading {
    font-size: 1.8rem;
    margin: 2rem 0 1rem;
    color: var(--secondary-color);
    border-bottom: 1px solid #eee;
    padding-bottom: 0.5rem;
}

.publications-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2.5rem;
    margin-bottom: 3rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.publication-item {
    background: white;
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    position: relative;
}

.publication-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.pub-number {
    position: absolute;
    top: 1rem;
    left: 1rem;
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--primary-color);
}

.pub-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--secondary-color);
    margin-bottom: 0.8rem;
    margin-top: 0.5rem;
    line-height: 1.4;
}

.publication-item .authors {
    margin-bottom: 0.5rem;
    line-height: 1.6;
    color: var(--text-color);
}

.publication-item .journal {
    color: var(--text-light);
    font-weight: 500;
}

.publication-item .journal a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    margin-left: 0.5rem;
}

.publication-item .journal a:hover {
    text-decoration: underline;
}

.coming-soon {
    font-style: italic;
    color: var(--accent-color);
    margin-top: 1rem;
}

.footnote {
    font-size: 0.9rem;
    color: var(--text-light);
    text-align: right;
    margin-top: 1rem;
    font-style: italic;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* Responsive Design */
@media only screen and (max-width: 768px) {
    .nav-links {
        display: none;
    }
    .menu-toggle {
        display: block;
        cursor: pointer;
    }
    .nav-links.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 60px;
        right: 0;
        background: var(--background-color);
        width: 100%;
        box-shadow: var(--shadow-md);
    }
    .hero {
        height: 80vh;
    }
    .hero-content h1 {
        font-size: 2.5rem;
    }
    .hero-content h2 {
        font-size: 1.5rem;
    }
    .tutorials-grid {
        grid-template-columns: 1fr;
    }
    .publications-grid {
        grid-template-columns: 1fr;
    }
    .contact-info {
        grid-template-columns: 1fr;
    }
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
}

/* Contact Section */
.contact {
    padding: 8rem 2rem 4rem;
    background: var(--background-color);
}

.contact h2 {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    text-align: center;
    position: relative;
}

.contact h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--primary-color);
}

.contact-info {
    max-width: 800px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    background: white;
    padding: 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.contact-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.contact-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-right: 1rem;
}

.contact-item p {
    color: var(--text-color);
    font-size: 1rem;
}

/* Footer */
footer {
    background: var(--secondary-color);
    color: white;
    padding: 3rem 2rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
}

.footer-info {
    flex: 1;
    min-width: 250px;
    margin-bottom: 1rem;
}

.footer-info p {
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.footer-links {
    flex: 1;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    min-width: 250px;
    margin-bottom: 1rem;
}

.footer-links a {
    color: white;
    margin: 0.5rem 1rem;
    text-decoration: none;
    transition: var(--transition);
    font-size: 0.9rem;
}

.footer-links a:hover {
    color: var(--primary-color);
}

.footer-social {
    display: flex;
    justify-content: center;
    gap: 1rem;
    min-width: 250px;
}

.footer-social .social-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.1);
    transition: var(--transition);
    color: white;
    font-size: 1.1rem;
}

.footer-social .social-icon:hover {
    background: rgba(255,255,255,0.2);
    transform: translateY(-3px);
    color: var(--primary-color);
}

/* Footer */
footer {
    background: var(--secondary-color);
    color: white;
    padding: 3rem 2rem 1rem;
    text-align: center;
    margin-top: 5rem;
    position: relative;
}

.back-to-top {
    position: absolute;
    top: -25px;
    right: 50px;
}

.back-to-top a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    text-decoration: none;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.back-to-top a:hover {
    background: var(--accent-color);
    transform: translateY(-5px);
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

section {
    animation: fadeIn 0.8s ease-out;
}

/* Print Styles */
@media print {
    header,
    footer,
    .social-links,
    .nav-links {
        display: none;
    }

    section {
        page-break-after: always;
    }

    body {
        background: white;
    }
}

/* CV Photo Styling */
.cv-header {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 3rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid #eee;
    gap: 2rem;
}

.cv-photo {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid var(--primary-color);
    box-shadow: var(--shadow-md);
}

.cv-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.cv-info {
    text-align: left;
}

.cv-info p {
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

/* Tutorial Link Styling */
.tutorial-link {
    display: inline-block;
    background: var(--primary-color);
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: var(--border-radius);
    text-decoration: none;
    transition: var(--transition);
    margin-top: 1rem;
}

.tutorial-link:hover {
    background: var(--secondary-color);
    transform: translateY(-3px);
}

.tutorial-note {
    font-style: italic;
    color: var(--accent-color);
    margin-top: 0.5rem;
    font-size: 0.9rem;
}

/* Tutorial Page Styling */
.tutorial-page {
    padding: 8rem 2rem 4rem;
    max-width: 1200px;
    margin: 0 auto;
}

.tutorial-header {
    text-align: center;
    margin-bottom: 3rem;
}

.tutorial-header h1 {
    font-size: 2.8rem;
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

.tutorial-meta {
    color: var(--text-light);
    font-size: 1rem;
}

.tutorial-meta span {
    margin: 0 0.5rem;
}

.tutorial-content {
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: 3rem;
}

.tutorial-nav {
    position: sticky;
    top: 100px;
    align-self: start;
}

.tutorial-nav h3 {
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
    color: var(--secondary-color);
}

.tutorial-nav ul {
    list-style: none;
}

.tutorial-nav li {
    margin-bottom: 1rem;
}

.tutorial-nav a {
    color: var(--text-color);
    text-decoration: none;
    transition: var(--transition);
    display: block;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
}

.tutorial-nav a:hover {
    background: rgba(0,0,0,0.05);
    color: var(--primary-color);
}

.tutorial-article {
    background: white;
    border-radius: var(--border-radius);
    padding: 3rem;
    box-shadow: var(--shadow-md);
}

.tutorial-article h2 {
    font-size: 2rem;
    margin: 2rem 0 1rem;
    color: var(--secondary-color);
    border-bottom: 1px solid #eee;
    padding-bottom: 0.5rem;
}

.tutorial-article h3 {
    font-size: 1.5rem;
    margin: 1.5rem 0 1rem;
    color: var(--secondary-color);
}

.tutorial-article p {
    margin-bottom: 1.5rem;
}

.tutorial-article ul, .tutorial-article ol {
    margin-bottom: 1.5rem;
    padding-left: 2rem;
}

.tutorial-article li {
    margin-bottom: 0.5rem;
}

.tutorial-article pre {
    background: #f5f5f5;
    padding: 1rem;
    border-radius: var(--border-radius);
    overflow-x: auto;
    margin-bottom: 1.5rem;
}

.tutorial-article code {
    font-family: 'Courier New', monospace;
}

.tutorial-note {
    background: rgba(231, 76, 60, 0.1);
    border-left: 4px solid var(--accent-color);
    padding: 1rem;
    margin: 1.5rem 0;
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
}

.tutorial-continue {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid #eee;
}

@media (max-width: 992px) {
    .tutorial-content {
        grid-template-columns: 1fr;
    }
    
    .tutorial-nav {
        position: static;
        margin-bottom: 2rem;
    }
    
    .tutorial-nav ul {
        display: flex;
        flex-wrap: wrap;
        gap: 1rem;
    }
    
    .tutorial-nav li {
        flex: 1;
        min-width: 120px;
    }
}

@media (max-width: 768px) {
    .tutorial-page {
        padding: 6rem 1rem 2rem;
    }
    
    .tutorial-header h1 {
        font-size: 2rem;
    }
    
    .tutorial-article {
        padding: 1.5rem;
    }
    
    .cv-header {
        flex-direction: column;
        text-align: center;
    }
    
    .cv-info {
        text-align: center;
    }
}