/* Optimized transitions and animations */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    background: #0a0a0a;
    color: #ffffff;
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

/* Loading Screen */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease-out;
}

.loading-screen.hidden {
    opacity: 0;
    pointer-events: none;
}

.loader {
    width: 50px;
    height: 50px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top: 3px solid #ffffff;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Particles Background */
/* Optimized Particles Background */
#particles-js {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: -1;
    background: linear-gradient(135deg, rgba(10, 10, 10, 0.95) 0%, rgba(15, 15, 25, 0.95) 50%, rgba(10, 10, 10, 0.95) 100%);
    will-change: transform;
}

/* Navigation */
/* Optimized Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: background-color 0.2s ease;
    padding: 1rem 0;
    will-change: background-color;
}

.navbar.scrolled {
    background: rgba(10, 10, 10, 0.98);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
}

.nav-logo a {
    color: #ffffff;
    text-decoration: none;
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(45deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    gap: 2rem;
}

.nav-link {
    color: #ffffff;
    text-decoration: none;
    font-weight: 500;
    position: relative;
    transition: color 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
    color: #667eea;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(45deg, #667eea, #764ba2);
    transition: width 0.3s ease;
}

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

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

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

.hamburger.active .bar:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
}

.hamburger.active .bar:nth-child(2) {
    opacity: 0;
}

.hamburger.active .bar:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
}

/* Hero Section */
/* Optimized Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: linear-gradient(135deg, rgba(6, 6, 15, 0.9) 0%, rgba(10, 10, 20, 0.95) 50%, rgba(8, 8, 18, 0.9) 100%);
    backdrop-filter: blur(10px);
    will-change: transform;
}

.hero-content {
    text-align: center;
    z-index: 2;
}

.hero-name {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(45deg, #00d4ff, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: glow 2s ease-in-out infinite alternate;
    text-shadow: 0 0 30px rgba(102, 126, 234, 0.5);
    position: relative;
}

/* Optimized animations with hardware acceleration */
@keyframes glow {
    from {
        filter: drop-shadow(0 0 20px rgba(102, 126, 234, 0.5));
    }
    to {
        filter: drop-shadow(0 0 30px rgba(118, 75, 162, 0.8));
    }
}

.hero-profession {
    font-size: 1.5rem;
    color: #e0e6ff;
    margin-bottom: 1rem;
    font-weight: 500;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.7);
}

.hero-tagline {
    font-size: 1.2rem;
    color: #c8d0ff;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.6);
    font-weight: 400;
}

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 30px;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(45deg, #667eea, #764ba2);
    color: #ffffff;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.5);
}

.btn-secondary {
    background: transparent;
    color: #ffffff;
    border: 2px solid #667eea;
}

.btn-secondary:hover {
    background: #667eea;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
}

.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;
}

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

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    will-change: transform;
}

.scroll-arrow {
    width: 30px;
    height: 30px;
    border: 2px solid #667eea;
    border-bottom: none;
    border-right: none;
    transform: rotate(225deg);
    animation: bounce 2s infinite;
}

/* Optimized bounce animation */
@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translate3d(-50%, 0, 0) rotate(225deg);
    }
    40% {
        transform: translate3d(-50%, -10px, 0) rotate(225deg);
    }
    60% {
        transform: translate3d(-50%, -5px, 0) rotate(225deg);
    }
}

/* Section Styles */
section {
    padding: 100px 0;
    position: relative;
}



/* About Section */
.about {
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
}

/* Optimized card animations */
.about-card {
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(15px);
    border-radius: 20px;
    padding: 3rem;
    border: 1px solid rgba(102, 126, 234, 0.2);
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 3rem;
    align-items: center;
    transition: transform 0.2s ease;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    will-change: transform;
}

.about-card:hover {
    transform: translate3d(0, -10px, 0);
}

.about-image {
    position: relative;
}

.about-image img {
    width: 100%;
    border-radius: 20px;
    filter: grayscale(100%);
    transition: filter 0.3s ease;
}

.about-image:hover img {
    filter: grayscale(0%);
}

.about-text h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: #667eea;
}

.about-text p {
    margin-bottom: 1.5rem;
    color: #e5e5e5;
    line-height: 1.8;
    font-weight: 400;
}

.interests {
    display: flex;
    gap: 2rem;
    margin-top: 2rem;
}

.interest-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #667eea;
    font-weight: 500;
}

.interest-item i {
    font-size: 1.2rem;
}

/* Skills Section */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.skill-item {
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(15px);
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    border: 1px solid rgba(102, 126, 234, 0.2);
    transition: transform 0.2s ease, border-color 0.2s ease;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    will-change: transform;
}

.skill-item:hover {
    transform: translate3d(0, -10px, 0);
    border-color: #667eea;
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
}

.skill-icon {
    font-size: 3rem;
    color: #667eea;
    margin-bottom: 1rem;
}

.skill-item h3 {
    margin-bottom: 1rem;
    color: #ffffff;
}

.skill-progress {
    background: rgba(255, 255, 255, 0.1);
    height: 8px;
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(45deg, #667eea, #764ba2);
    width: 0;
    transition: width 1.5s ease;
    border-radius: 4px;
    will-change: width;
}

.skill-percentage {
    color: #667eea;
    font-weight: 600;
}

/* Projects Section */
.projects {
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.project-card {
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(15px);
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid rgba(102, 126, 234, 0.2);
    transition: transform 0.2s ease;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    will-change: transform;
}

.project-card:hover {
    transform: translate3d(0, -10px, 0);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.project-image {
    position: relative;
    overflow: hidden;
}

.project-image img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: transform 0.2s ease;
    will-change: transform;
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(102, 126, 234, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.2s ease;
    will-change: opacity;
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.project-card:hover .project-image img {
    transform: scale(1.1);
}

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

.project-link {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    text-decoration: none;
    transition: all 0.3s ease;
}

.project-link:hover {
    background: #ffffff;
    color: #667eea;
    transform: scale(1.1);
}

.project-content {
    padding: 2rem;
}

.project-content h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #667eea;
}

.project-content p {
    color: #e5e5e5;
    margin-bottom: 1.5rem;
    line-height: 1.6;
    font-weight: 400;
}

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

.project-tech span {
    background: rgba(102, 126, 234, 0.2);
    color: #667eea;
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
}

/* Contact Section */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: #667eea;
}

.contact-info p {
    color: #e5e5e5;
    margin-bottom: 2rem;
    line-height: 1.8;
    font-weight: 400;
}

.contact-details {
    margin-bottom: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    color: #e5e5e5;
    font-weight: 400;
}

.contact-item i {
    color: #667eea;
    font-size: 1.2rem;
    width: 20px;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-link {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #667eea;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.social-link:hover {
    background: #667eea;
    color: #ffffff;
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(102, 126, 234, 0.3);
}

.contact-form {
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(15px);
    border-radius: 20px;
    padding: 2rem;
    border: 1px solid rgba(102, 126, 234, 0.2);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(102, 126, 234, 0.3);
    border-radius: 10px;
    color: #ffffff;
    font-family: 'Poppins', sans-serif;
    transition: all 0.3s ease;
    font-weight: 400;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 20px rgba(102, 126, 234, 0.3);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #b8b8b8;
    font-weight: 400;
}

/* Footer */
.footer {
    background: rgba(0, 0, 0, 0.5);
    padding: 2rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #e5e5e5;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: #e5e5e5;
    text-decoration: none;
    transition: color 0.3s ease;
    font-weight: 400;
}

.footer-links a:hover {
    color: #667eea;
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translate3d(0, 20px, 0);
    animation: fadeInUp 0.8s ease forwards;
    will-change: opacity, transform;
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translate3d(0, 0, 0);
    }
}

/* Optimized AOS Animation Styles */
[data-aos] {
    opacity: 0;
    transition: opacity 0.4s ease, transform 0.4s ease;
    will-change: opacity, transform;
}

[data-aos].aos-animate {
    opacity: 1;
}

[data-aos="fade-up"] {
    transform: translate3d(0, 30px, 0);
}

[data-aos="fade-up"].aos-animate {
    transform: translate3d(0, 0, 0);
}

[data-aos="zoom-in"] {
    transform: scale3d(0.9, 0.9, 1);
}

[data-aos="zoom-in"].aos-animate {
    transform: scale3d(1, 1, 1);
}

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

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: rgba(10, 10, 10, 0.98);
        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 a {
        padding: 1rem;
        display: block;
    }

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

    .hero-profession {
        font-size: 1.2rem;
    }

    .hero-tagline {
        font-size: 1rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

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

    .about-card {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }

    .interests {
        justify-content: center;
        flex-wrap: wrap;
    }

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

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

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

    .footer-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

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

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

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

    .about-card,
    .contact-form,
    .skill-item {
        padding: 1.5rem;
    }

    .project-content {
        padding: 1.5rem;
    }
}

/* Glassmorphism effect for cards */
.glass {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Glowing border animation */
.glow-border {
    position: relative;
    overflow: hidden;
}

.glow-border::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, #667eea, #764ba2, #667eea);
    z-index: -1;
    border-radius: inherit;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.glow-border:hover::before {
    opacity: 1;
}

/* Smooth scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #0a0a0a;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(45deg, #667eea, #764ba2);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(45deg, #764ba2, #667eea);
}

/* Enhanced text readability */
.section-title {
    font-size: 3rem;
    text-align: center;
    margin-bottom: 4rem;
    color: #ffffff;
    position: relative;
    text-shadow: 0 4px 20px rgba(102, 126, 234, 0.3);
    font-weight: 600;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: linear-gradient(45deg, #667eea, #764ba2);
    border-radius: 2px;
    box-shadow: 0 2px 10px rgba(102, 126, 234, 0.5);
}

/* Improved text contrast for better readability */
h1, h2, h3, h4, h5, h6 {
    color: #ffffff;
    font-weight: 600;
}

p {
    color: #e5e5e5;
    font-weight: 400;
    line-height: 1.7;
}

/* Enhanced navigation text */
.nav-link {
    color: #ffffff;
    text-decoration: none;
    font-weight: 500;
    position: relative;
    transition: color 0.3s ease;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

/* Performance optimizations */
.btn {
    display: inline-block;
    padding: 12px 30px;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    position: relative;
    overflow: hidden;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    will-change: transform;
}

.btn-primary:hover {
    transform: translate3d(0, -2px, 0);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.5);
}

.btn-secondary:hover {
    background: #667eea;
    transform: translate3d(0, -2px, 0);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
}

/* Improved skill item text */
.skill-item h3 {
    margin-bottom: 1rem;
    color: #ffffff;
    font-weight: 600;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
}

/* Enhanced project card text */
.project-content h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #ffffff;
    font-weight: 600;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
}

/* Better about section text */
.about-text h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: #ffffff;
    font-weight: 600;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
}

/* Enhanced contact section text */
.contact-info h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: #ffffff;
    font-weight: 600;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
}

/* Additional text readability improvements */
.interest-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #00d4ff;
    font-weight: 500;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.skill-percentage {
    color: #00d4ff;
    font-weight: 600;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.project-tech span {
    background: rgba(0, 212, 255, 0.15);
    color: #00d4ff;
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
    border: 1px solid rgba(0, 212, 255, 0.3);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}

/* Enhanced navigation logo */
.nav-logo a {
    color: #ffffff;
    text-decoration: none;
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(45deg, #00d4ff, #667eea);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 2px 8px rgba(102, 126, 234, 0.3);
}

/* Better social link visibility */
.social-link {
    width: 50px;
    height: 50px;
    background: rgba(0, 0, 0, 0.4);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #00d4ff;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 212, 255, 0.3);
    backdrop-filter: blur(10px);
}

.social-link:hover {
    background: #00d4ff;
    color: #000000;
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 212, 255, 0.4);
}