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

/* Custom Scrollbar Styling */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 10px;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, #3498db, #2980b9);
    border-radius: 10px;
    border: 2px solid #f1f1f1;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #2980b9, #1f5f8b);
}

/* Firefox Scrollbar */
* {
    scrollbar-width: thin;
    scrollbar-color: #3498db #f1f1f1;
}

/* Custom Cursor with Highlighter Effect */
body {
    cursor: none;
    overflow-x: hidden;
}

.custom-cursor {
    position: fixed;
    width: 20px;
    height: 20px;
    background: rgba(243, 156, 18, 0.8);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9999;
    mix-blend-mode: difference;
    transition: transform 0.1s ease;
}

.custom-cursor.hover {
    transform: scale(2);
    background: rgba(243, 156, 18, 0.6);
}

.custom-cursor.click {
    transform: scale(0.8);
    background: rgba(243, 156, 18, 1);
}

/* Disable custom cursor on touch devices */
@media (hover: none) and (pointer: coarse) {
    body {
        cursor: auto;
    }
    
    .custom-cursor {
        display: none;
    }
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

/* Custom smooth scrolling with faster transitions */
* {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: all 0.3s ease;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo a {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: #2c3e50;
    font-weight: 700;
    font-size: 1.5rem;
    transition: all 0.3s ease;
}

.nav-logo a i {
    margin-right: 0.5rem;
    color: #3498db;
    font-size: 1.8rem;
    transition: all 0.3s ease;
}

.nav-logo a:hover {
    color: #3498db;
    transform: scale(1.05);
}

.nav-logo a:hover i {
    transform: rotate(15deg);
}

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

.nav-link {
    text-decoration: none;
    color: #2c3e50;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    padding: 0.5rem 0;
}

.nav-link:hover {
    color: #3498db;
    transform: translateY(-2px);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, #3498db, #2980b9);
    transform: scaleX(0);
    transition: transform 0.3s ease;
    border-radius: 1px;
}

.nav-link:hover::after {
    transform: scaleX(1);
}

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

.bar {
    width: 25px;
    height: 3px;
    background: #2c3e50;
    margin: 3px 0;
    transition: 0.3s;
}

/* Enhanced hero section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 900;
    color: white;
    margin-bottom: 1rem;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.hero-description {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 2.5rem;
    line-height: 1.7;
    max-width: 500px;
}

.highlight {
    background: linear-gradient(135deg, #f39c12, #e67e22);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
}

.highlight::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(135deg, #f39c12, #e67e22);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.hero-title:hover .highlight::after {
    transform: scaleX(1);
}


.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    border: none;
    cursor: pointer;
    letter-spacing: 0.5px;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, #3498db, #2980b9);
    color: white;
    box-shadow: 0 4px 15px rgba(52, 152, 219, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(52, 152, 219, 0.4);
    background: linear-gradient(135deg, #2980b9, #1f5f8b);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.profile-image {
    width: 350px;
    height: 350px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease;
}

.profile-image:hover {
    transform: scale(1.05);
}

/* Section Titles */
.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 3rem;
    color: #2c3e50;
    position: relative;
    letter-spacing: -0.02em;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, #3498db, #2980b9);
    border-radius: 2px;
}

/* Skills Section */
.skills {
    padding: 80px 0;
    background: #f8f9fa;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
    max-width: 800px;
    margin: 0 auto;
}

.skill-item {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    padding: 2.5rem 1.5rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.skill-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #3498db, #2980b9);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.skill-item:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: 0 25px 50px rgba(52, 152, 219, 0.2);
    border-color: #3498db;
}

.skill-item:hover::before {
    transform: scaleX(1);
}

.skill-item i,
.skill-item svg {
    font-size: 3.5rem;
    color: #3498db;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: block;
    width: 3.5rem;
    height: 3.5rem;
    margin-left: auto;
    margin-right: auto;
    filter: drop-shadow(0 2px 4px rgba(52, 152, 219, 0.2));
}

.skill-item:hover i,
.skill-item:hover svg {
    transform: scale(1.15) rotate(5deg);
    color: #2980b9;
    filter: drop-shadow(0 4px 8px rgba(52, 152, 219, 0.4));
}

.skill-item span {
    font-weight: 700;
    color: #2c3e50;
    font-size: 1.1rem;
    letter-spacing: 0.5px;
    transition: color 0.3s ease;
}

.skill-item:hover span {
    color: #1a252f;
}

/* Ensure skill-item links maintain styling */
.skill-item {
    text-decoration: none;
    color: inherit;
    display: block;
}

.skill-item:hover {
    text-decoration: none;
    color: inherit;
}

/* Projects Section */
.projects {
    padding: 80px 0;
}

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

.project-card {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    background: white;
    height: 320px;
    backdrop-filter: blur(10px);
}

.project-card:hover {
    transform: translateY(-15px) scale(1.02);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.25);
}

.project-image {
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.project-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
}

.project-placeholder {
    font-size: 4rem;
    color: rgba(255, 255, 255, 0.3);
    z-index: 2;
    position: relative;
}

.project-placeholder {
    font-size: 4rem;
    color: rgba(255, 255, 255, 0.3);
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(52, 152, 219, 0.95), rgba(41, 128, 185, 0.95));
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 10;
    backdrop-filter: blur(5px);
}

.project-card:hover .project-overlay {
    opacity: 1;
    transform: scale(1.02);
}

.project-info {
    text-align: center;
    color: white;
    padding: 2rem;
    max-width: 90%;
    max-height: 90%;
    overflow-y: auto;
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none; /* Internet Explorer 10+ */
}

.project-info::-webkit-scrollbar {
    display: none; /* Chrome, Safari, Opera */
}

.project-info h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.project-info p {
    margin-bottom: 1.5rem;
    line-height: 1.6;
    font-size: 0.95rem;
}

.project-tech {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
}

.project-tech span {
    background: rgba(255, 255, 255, 0.2);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

.project-links {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.project-link {
    color: white;
    text-decoration: none;
    padding: 0.5rem 1rem;
    border: 2px solid white;
    border-radius: 25px;
    font-weight: 600;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.project-link:hover {
    background: white;
    color: #3498db;
}

/* Education Section */
.education {
    padding: 80px 0;
    background: #f8f9fa;
}

.education-timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem 0;
}

.education-timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(to bottom, #3498db, #2980b9);
    transform: translateX(-50%);
    border-radius: 2px;
}

.timeline-node {
    position: relative;
    margin-bottom: 3rem;
    display: flex;
    align-items: center;
}

.timeline-node:nth-child(odd) {
    flex-direction: row;
}

.timeline-node:nth-child(even) {
    flex-direction: row-reverse;
}

.node-circle {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #3498db, #2980b9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 5px 15px rgba(52, 152, 219, 0.3);
    position: relative;
    z-index: 10;
    transition: all 0.3s ease;
}

.node-circle:hover {
    transform: scale(1.1);
    box-shadow: 0 10px 25px rgba(52, 152, 219, 0.4);
}

    .node-circle i {
        font-size: 1.5rem;
        color: white;
    }

.node-content {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    margin: 0 2rem;
    flex: 1;
    max-width: 400px;
    transition: all 0.3s ease;
    position: relative;
}

.timeline-node:nth-child(odd) .node-content {
    margin-left: 2rem;
}

.timeline-node:nth-child(even) .node-content {
    margin-right: 2rem;
}

.node-content:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.node-content h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: #2c3e50;
}

.education-school {
    font-weight: 600;
    color: #3498db;
    margin-bottom: 0.5rem;
}

.education-year {
    color: #7f8c8d;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.education-description {
    color: #555;
    line-height: 1.6;
}

/* About Section */
.about {
    padding: 80px 0;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.about-text p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    line-height: 1.8;
    color: #555;
    text-align: justify;
}

.contact-info {
    margin-top: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    padding: 1rem;
    background: #f8f9fa;
    border-radius: 10px;
    transition: all 0.3s ease;
}

.contact-item:hover {
    background: #e9ecef;
    transform: translateX(5px);
}

.contact-item i {
    color: #3498db;
    font-size: 1.2rem;
    width: 25px;
    flex-shrink: 0;
}

.contact-form {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.contact-form h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: #2c3e50;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: #2c3e50;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem 1.5rem;
    border: 2px solid #e9ecef;
    border-radius: 12px;
    font-size: 1rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    font-family: 'Inter', sans-serif;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #3498db;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
    background: rgba(255, 255, 255, 0.95);
    transform: translateY(-2px);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #95a5a6;
    font-style: italic;
    opacity: 0.8;
}

.form-group input:focus::placeholder,
.form-group textarea:focus::placeholder {
    opacity: 0.5;
    color: #7f8c8d;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* Footer */
.footer {
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    color: white;
    padding: 4rem 0 2rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, #3498db, transparent);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
    position: relative;
    z-index: 2;
}

.footer-text {
    flex: 1;
    text-align: left;
}

.footer-text h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: #ecf0f1;
}

.footer-text p {
    color: #bdc3c7;
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    text-align: left;
}

.footer-links h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #ecf0f1;
}

.footer-links a {
    color: #bdc3c7;
    text-decoration: none;
    transition: color 0.3s ease;
    font-size: 0.9rem;
}

.footer-links a:hover {
    color: #3498db;
}

.social-links {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
}

.social-link {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.social-link:hover {
    background: linear-gradient(135deg, #3498db, #2980b9);
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(52, 152, 219, 0.3);
    border-color: #3498db;
}

.social-link i {
    font-size: 1.2rem;
    transition: transform 0.3s ease;
}

.social-link:hover i {
    transform: scale(1.1);
}

.footer-bottom {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #95a5a6;
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
    }

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

    .nav-menu .nav-item {
        margin-bottom: 1rem;
    }

    .nav-menu .nav-link {
        padding: 0.5rem 1rem;
        display: block;
    }

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
        min-height: auto;
    }
    
    .hero-content {
        min-width: auto;
    }

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

    .hero-buttons {
        justify-content: center;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }



    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: 2rem;
    }

    .footer-text {
        text-align: center;
    }

    .footer-links {
        text-align: center;
    }

    .social-links {
        justify-content: center;
    }

    .projects-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .project-card {
        height: 250px;
    }

    .education-timeline::before {
        left: 25px;
        transform: none;
    }

    .timeline-node {
        flex-direction: column !important;
        align-items: flex-start;
        margin-left: 60px;
        padding-left: 5px;
    }

    .timeline-node:nth-child(odd),
    .timeline-node:nth-child(even) {
        flex-direction: column !important;
    }

    .node-circle {
        width: 50px;
        height: 50px;
        position: absolute;
        left: -65px;
        top: 0;
    }

    .node-content {
        margin: 0 !important;
        max-width: none;
        width: 100%;
        margin-top: 10px;
    }

    .node-circle i {
        font-size: 1.2rem;
    }

    .skills-grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
        gap: 1rem;
    }

    .skill-item {
        padding: 1.5rem 1rem;
        margin-bottom: 0.5rem;
    }

    .skill-item i,
    .skill-item svg {
        font-size: 2.5rem;
        width: 2.5rem;
        height: 2.5rem;
    }

    .contact-item {
        margin-bottom: 1rem;
        padding: 1.25rem;
        gap: 1rem;
    }

    .contact-item i {
        font-size: 1.4rem;
        width: 30px;
        flex-shrink: 0;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero-title {
        font-size: 2rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }

    .project-info {
        padding: 1rem;
    }

    .project-info h3 {
        font-size: 1.3rem;
    }

    .skills-grid {
        gap: 1rem;
    }

    .skill-item {
        padding: 1.25rem 0.75rem;
    }

    .skill-item i,
    .skill-item svg {
        font-size: 2rem;
        width: 2rem;
        height: 2rem;
    }

    .contact-item {
        padding: 1.25rem;
        margin-bottom: 1rem;
        gap: 1.25rem;
    }

    .contact-item i {
        font-size: 1.2rem;
        width: 25px;
        flex-shrink: 0;
    }

    .nav-menu .nav-item {
        margin-bottom: 0.75rem;
    }

    .nav-menu .nav-link {
        padding: 0.75rem 1rem;
    }
}

/* Loading animations and page transitions */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Apply animations to sections */
.hero-content {
    animation: fadeInUp 0.8s ease-out;
}

.hero-image {
    animation: slideInRight 0.8s ease-out 0.2s both;
}

.skills-grid {
    animation: scaleIn 0.6s ease-out;
}

.projects-grid {
    animation: fadeInUp 0.8s ease-out;
}

.education-timeline {
    animation: slideInLeft 0.8s ease-out;
}

.about-content {
    animation: fadeInUp 0.8s ease-out;
}

/* Stagger animations for skill items */
.skill-item {
    animation: scaleIn 0.6s ease-out;
}

.skill-item:nth-child(1) { animation-delay: 0.1s; }
.skill-item:nth-child(2) { animation-delay: 0.2s; }
.skill-item:nth-child(3) { animation-delay: 0.3s; }
.skill-item:nth-child(4) { animation-delay: 0.4s; }
.skill-item:nth-child(5) { animation-delay: 0.5s; }
.skill-item:nth-child(6) { animation-delay: 0.6s; }
.skill-item:nth-child(7) { animation-delay: 0.7s; }
.skill-item:nth-child(8) { animation-delay: 0.8s; }

/* Stagger animations for project cards */
.project-card {
    animation: scaleIn 0.6s ease-out;
}

.project-card:nth-child(1) { animation-delay: 0.1s; }
.project-card:nth-child(2) { animation-delay: 0.2s; }
.project-card:nth-child(3) { animation-delay: 0.3s; }
.project-card:nth-child(4) { animation-delay: 0.4s; }
.project-card:nth-child(5) { animation-delay: 0.5s; }
.project-card:nth-child(6) { animation-delay: 0.6s; } 

/* Scroll progress indicator */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: linear-gradient(90deg, #3498db, #2980b9, #f39c12);
    z-index: 9999;
    transition: width 0.1s ease;
    box-shadow: 0 2px 4px rgba(52, 152, 219, 0.3);
}

/* Enhanced section transitions */
.section {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.section.visible {
    opacity: 1;
    transform: translateY(0);
} 

/* Enhanced mobile experience */
@media (max-width: 768px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
        padding: 0 1rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
        line-height: 1.2;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .hero-description {
        font-size: 1rem;
        margin: 0 auto 2rem auto;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 1rem;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
        justify-content: center;
        padding: 1.2rem 2rem;
        font-size: 1.1rem;
    }
    
    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    
    .skill-item {
        padding: 1.5rem 1rem;
    }
    
    .skill-item i,
    .skill-item svg {
        font-size: 2.5rem;
        width: 2.5rem;
        height: 2.5rem;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .project-card {
        height: 280px;
    }
    
    .project-info {
        padding: 1.5rem;
    }
    
    .project-info h3 {
        font-size: 1.3rem;
    }
    
    .project-info p {
        font-size: 0.9rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .contact-form {
        order: -1;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: 2rem;
    }
    
    .footer-text {
        text-align: center;
    }
    
    .footer-links {
        display: flex;
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .social-links {
        justify-content: center;
    }
    
    /* Enhanced mobile navigation */
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        width: 100%;
        text-align: center;
        transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        border-top: 1px solid rgba(255, 255, 255, 0.2);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu .nav-item {
        margin: 1rem 0;
    }
    
    .nav-menu .nav-link {
        font-size: 1.2rem;
        padding: 1rem 0;
        display: block;
    }
    

    
    /* Enhanced hamburger menu */
    .hamburger {
        display: block;
        cursor: pointer;
        z-index: 1001;
    }
    
    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    
    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
} 

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 55px;
    height: 55px;
    background: linear-gradient(135deg, #3498db, #2980b9);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 6px 20px rgba(52, 152, 219, 0.4);
    z-index: 9999;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    animation: bounceIn 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

@keyframes bounceIn {
    0% {
        opacity: 0;
        transform: translateY(20px) scale(0.3);
    }
    50% {
        opacity: 1;
        transform: translateY(0) scale(1.05);
    }
    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(52, 152, 219, 0.4);
    background: linear-gradient(135deg, #2980b9, #1f5f8b);
}

.back-to-top:active {
    transform: translateY(-1px);
}

/* Enhanced focus states for accessibility */
.back-to-top:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.3), 0 8px 25px rgba(52, 152, 219, 0.4);
}

/* Mobile responsive back to top */
@media (max-width: 768px) {
    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
        font-size: 1rem;
    }
} 

/* Loading Skeleton Animation */
@keyframes shimmer {
    0% {
        background-position: -200px 0;
    }
    100% {
        background-position: calc(200px + 100%) 0;
    }
}

.skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200px 100%;
    animation: shimmer 1.5s infinite;
    border-radius: 4px;
}

.skeleton-text {
    height: 1em;
    margin-bottom: 0.5rem;
}

.skeleton-text:last-child {
    width: 60%;
}

.skeleton-card {
    height: 200px;
    border-radius: 12px;
    margin-bottom: 1rem;
}

/* Loading state for project cards */
.project-card.loading {
    position: relative;
    overflow: hidden;
}

.project-card.loading::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    animation: shimmer 2s infinite;
}

/* Fade in animation for content */
.fade-in {
    animation: fadeIn 0.6s ease-out;
}

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

/* Notification System Styles */
@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOutRight {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(100%);
        opacity: 0;
    }
}

.notification-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 15px;
}

.notification-content i {
    font-size: 18px;
    flex-shrink: 0;
}

.notification-close {
    background: none;
    border: none;
    color: white;
    font-size: 20px;
    cursor: pointer;
    padding: 0;
    line-height: 1;
    opacity: 0.8;
    transition: opacity 0.2s ease;
}

.notification-close:hover {
    opacity: 1;
}

/* Loading spinner animation */
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.fa-spinner {
    animation: spin 1s linear infinite;
}