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

body {
    font-family: 'Poppins', sans-serif;
    background: 
        linear-gradient(45deg, 
            rgba(0, 119, 255, 0.1) 0%, 
            rgba(0, 255, 170, 0.1) 50%, 
            rgba(255, 0, 150, 0.1) 100%),
        url('https://images.pexels.com/photos/373543/pexels-photo-373543.jpeg?auto=compress&cs=tinysrgb&w=1600&h=900&dpr=2') no-repeat center center fixed;
    background-size: cover, cover;
    background-attachment: fixed;
    color: #333;
    line-height: 1.6;
    scroll-behavior: smooth;
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0;
    animation: fadeIn 1s ease-in-out 0.5s forwards, gradientShift 10s ease-in-out infinite;
}

/* Animated background gradient */
@keyframes gradientShift {
    0%, 100% { 
        background: 
            linear-gradient(45deg, 
                rgba(0, 119, 255, 0.1) 0%, 
                rgba(0, 255, 170, 0.1) 50%, 
                rgba(255, 0, 150, 0.1) 100%),
            url('https://images.pexels.com/photos/373543/pexels-photo-373543.jpeg?auto=compress&cs=tinysrgb&w=1600&h=900&dpr=2') no-repeat center center fixed;
    }
    50% { 
        background: 
            linear-gradient(45deg, 
                rgba(255, 0, 150, 0.1) 0%, 
                rgba(0, 119, 255, 0.1) 50%, 
                rgba(0, 255, 170, 0.1) 100%),
            url('https://images.pexels.com/photos/373543/pexels-photo-373543.jpeg?auto=compress&cs=tinysrgb&w=1600&h=900&dpr=2') no-repeat center center fixed;
    }
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(120, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 40% 80%, rgba(120, 219, 255, 0.3) 0%, transparent 50%);
    animation: floatingOrbs 15s ease-in-out infinite;
    pointer-events: none;
    z-index: -2;
}

/* Floating orbs animation */
@keyframes floatingOrbs {
    0%, 100% { transform: translateY(0px) rotate(0deg); opacity: 0.5; }
    33% { transform: translateY(-20px) rotate(120deg); opacity: 0.8; }
    66% { transform: translateY(10px) rotate(240deg); opacity: 0.6; }
}

/* Particle system */
body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(2px 2px at 20px 30px, rgba(255, 255, 255, 0.3), transparent),
        radial-gradient(2px 2px at 40px 70px, rgba(120, 219, 255, 0.4), transparent),
        radial-gradient(1px 1px at 90px 40px, rgba(255, 0, 150, 0.3), transparent),
        radial-gradient(1px 1px at 130px 80px, rgba(0, 255, 170, 0.2), transparent),
        radial-gradient(2px 2px at 160px 30px, rgba(255, 119, 198, 0.3), transparent);
    background-repeat: repeat;
    background-size: 200px 100px;
    animation: particleFloat 20s linear infinite;
    pointer-events: none;
    z-index: -1;
}

@keyframes particleFloat {
    0% { transform: translateY(0px) translateX(0px); }
    100% { transform: translateY(-100px) translateX(-50px); }
}

/* Advanced 2025 Animations */
@keyframes morphingBlob {
    0%, 100% { 
        border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
        transform: translate(0, 0) rotate(0deg);
    }
    25% { 
        border-radius: 50% 30% 60% 40% / 50% 60% 40% 50%;
        transform: translate(-5px, -5px) rotate(90deg);
    }
    50% { 
        border-radius: 70% 30% 40% 60% / 30% 70% 30% 70%;
        transform: translate(5px, -5px) rotate(180deg);
    }
    75% { 
        border-radius: 40% 60% 30% 70% / 60% 40% 60% 40%;
        transform: translate(-5px, 5px) rotate(270deg);
    }
}

@keyframes liquidWave {
    0%, 100% { 
        transform: scale(1) rotate(0deg);
        border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
    }
    50% { 
        transform: scale(1.1) rotate(180deg);
        border-radius: 30% 60% 70% 40% / 50% 70% 30% 50%;
    }
}

@keyframes quantumPulse {
    0%, 100% { 
        box-shadow: 
            0 0 20px rgba(0, 119, 255, 0.5),
            0 0 40px rgba(0, 119, 255, 0.3),
            0 0 60px rgba(0, 119, 255, 0.1);
        transform: scale(1);
    }
    50% { 
        box-shadow: 
            0 0 40px rgba(255, 0, 150, 0.7),
            0 0 80px rgba(255, 0, 150, 0.5),
            0 0 120px rgba(255, 0, 150, 0.3);
        transform: scale(1.02);
    }
}

@keyframes holographic {
    0% { 
        filter: hue-rotate(0deg) brightness(1) saturate(1);
        transform: translateY(0px);
    }
    100% { 
        filter: hue-rotate(360deg) brightness(1.2) saturate(1.5);
        transform: translateY(-10px);
    }
}

@keyframes elasticBounce {
    0% { transform: scale(1) rotate(0deg); }
    25% { transform: scale(1.1) rotate(5deg); }
    50% { transform: scale(1.2) rotate(-5deg); }
    75% { transform: scale(1.1) rotate(3deg); }
    100% { transform: scale(1) rotate(0deg); }
}

@keyframes orbit {
    0% { transform: rotate(0deg) translateX(50px) rotate(0deg); }
    100% { transform: rotate(360deg) translateX(50px) rotate(-360deg); }
}

@keyframes glitch {
    0% { transform: translate(0); text-shadow: 0 0 5px #ff0080; }
    20% { transform: translate(-1px, 1px); text-shadow: 1px 0 10px #00ffaa; }
    40% { transform: translate(-1px, -1px); text-shadow: -1px 0 10px #0077ff; }
    60% { transform: translate(1px, 1px); text-shadow: 0 -1px 10px #ffaa00; }
    80% { transform: translate(1px, -1px); text-shadow: 1px 1px 15px #aa00ff; }
    100% { transform: translate(0); text-shadow: 0 0 5px #ff0080; }
}

@keyframes dataStream {
    0% { transform: translateY(100vh); opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { transform: translateY(-100vh); opacity: 0; }
}

@keyframes cyberPulse {
    0%, 100% { box-shadow: 0 0 20px rgba(0, 255, 170, 0.5); }
    50% { box-shadow: 0 0 40px rgba(255, 0, 150, 0.8), 0 0 60px rgba(0, 119, 255, 0.6); }
}

body.loaded {
    opacity: 1;
}

body.dark {
    background:
        linear-gradient(45deg,
            rgba(10, 10, 30, 0.9) 0%,
            rgba(30, 30, 60, 0.9) 50%,
            rgba(60, 60, 90, 0.9) 100%),
        url('https://images.pexels.com/photos/924824/pexels-photo-924824.jpeg?auto=compress&cs=tinysrgb&w=1600&h=900&dpr=2') no-repeat center center fixed;
    background-size: cover, cover;
    background-attachment: fixed;
    color: #e0e0e0;
}

body.light {
    background:
        linear-gradient(45deg,
            rgba(0, 119, 255, 0.1) 0%,
            rgba(0, 255, 170, 0.1) 50%,
            rgba(255, 0, 150, 0.1) 100%),
        url('https://images.pexels.com/photos/373543/pexels-photo-373543.jpeg?auto=compress&cs=tinysrgb&w=1600&h=900&dpr=2') no-repeat center center fixed;
    background-size: cover, cover;
    background-attachment: fixed;
    color: #333;
}

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

@keyframes slideInLeft {
    from { opacity: 0; transform: translateX(-50px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes slideInRight {
    from { opacity: 0; transform: translateX(50px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes bounceIn {
    0% { opacity: 0; transform: scale(0.3); }
    50% { opacity: 1; transform: scale(1.05); }
    70% { transform: scale(0.9); }
    100% { opacity: 1; transform: scale(1); }
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

@keyframes rotateIn {
    from { opacity: 0; transform: rotate(-180deg) scale(0.5); }
    to { opacity: 1; transform: rotate(0deg) scale(1); }
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

/* Animation Classes */
.animate {
    animation: fadeIn 0.8s ease-out forwards;
}

.animate:nth-child(odd) {
    animation: slideInLeft 0.8s ease-out forwards;
}

.animate:nth-child(even) {
    animation: slideInRight 0.8s ease-out forwards;
}

.skill-card {
    animation: bounceIn 0.6s ease-out forwards;
    animation-delay: calc(var(--i) * 0.1s);
}

.portfolio-card {
    animation: rotateIn 0.8s ease-out forwards;
    animation-delay: calc(var(--i) * 0.1s);
}

.skill-card:hover {
    animation: quantumPulse 0.6s ease-in-out infinite;
    transform: translateY(-15px) scale(1.1);
    box-shadow: 0 25px 50px rgba(0, 119, 255, 0.4);
    border: 3px solid #ff0080;
}

.portfolio-card:hover {
    animation: morphingBlob 2s ease-in-out infinite, holographic 3s ease-in-out infinite;
    transform: translateY(-20px) scale(1.05) rotateY(10deg);
    box-shadow: 
        0 30px 60px rgba(0, 0, 0, 0.3),
        0 0 40px rgba(0, 255, 170, 0.4);
}

.social-links a img {
    width: 20px;
    height: 20px;
    margin: 0 10px;
    border-radius: 50%;
    transition: transform 0.3s;
}

.social-links a img:hover {
    animation: elasticBounce 0.8s ease-out, orbit 2s linear infinite;
    transform: scale(1.5) rotate(360deg);
    filter: brightness(1.3) contrast(1.2) hue-rotate(180deg);
}

/* Header Styles */
header {
    position: relative;
    text-align: center;
    padding: 20px;
    margin-left: 200px;
    background: url('https://images.pexels.com/photos/67517/pexels-photo-67517.jpeg?auto=compress&cs=tinysrgb&w=1260&h=750&dpr=2') no-repeat center center;
    background-size: cover;
    color: white;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: -1;
}

header h1 {
    font-size: 3rem;
    margin-bottom: 10px;
    letter-spacing: 2px;
    cursor: pointer;
    transition: text-shadow 0.3s;
}

header h1:hover {
    animation: glitch 0.5s;
}

header p {
    font-size: 1.2rem;
    font-weight: 300;
}

/* Menu Toggle Button */
.menu-toggle {
    position: fixed;
    top: 20px;
    left: 20px;
    background-color: #333;
    color: white;
    border: none;
    padding: 10px 15px;
    font-size: 20px;
    cursor: pointer;
    border-radius: 5px;
    z-index: 15;
    display: block;
}

.menu-toggle:hover {
    background-color: #2575fc;
}

/* Navigation Styles */
#sidebar {
    background-color: #333;
    color: white;
    width: 200px;
    height: 100vh;
    position: fixed;
    left: 0;
    top: 0;
    z-index: 10;
    box-shadow: 4px 0 6px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transform: translateX(-100%);
    transition: transform 0.3s ease;
}

#sidebar.open {
    transform: translateX(0);
}

nav ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 30px;
    padding: 0;
    margin: 0;
}

nav ul li a,
nav ul li button {
    color: white;
    text-decoration: none;
    font-weight: bold;
    padding: 15px 20px;
    transition: background-color 0.3s, transform 0.2s;
    border-radius: 5px;
    display: block;
    text-align: center;
    width: 160px;
    background: none;
    border: none;
    cursor: pointer;
}

nav ul li a:hover,
nav ul li button:hover {
    background-color: #2575fc;
    transform: scale(1.05);
}

/* Main Content */
main {
    margin-left: 200px;
}

footer {
    margin-left: 200px;
    text-align: center;
    padding: 20px;
    background-color: #333;
    color: white;
}

/* About Section */
.about-section {
    text-align: center;
    padding: 40px;
    background-color: #f9f9f9;
    border-radius: 10px;
    margin: 20px auto;
    max-width: 1000px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.about-section img {
    margin-top: 20px;
    width: 150px;
    height: 150px;
    border-radius: 50%;
    border: 3px solid #2575fc;
    transition: transform 0.3s;
}

.about-section img:hover {
    transform: scale(1.1);
}

/* Skills Section */
.skills-section {
    text-align: center;
    padding: 40px;
    background: #e3f2fd;
    border-radius: 10px;
    margin: 20px auto;
    max-width: 1000px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.skills-section h2 {
    color: #2575fc;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.skill-card {
    background: white;
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s, box-shadow 0.3s;
    text-align: center;
}

.skill-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.2);
}

.skill-card h3 {
    color: #2575fc;
    margin-bottom: 10px;
}

/* Portfolio Section */
.portfolio {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    padding: 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.portfolio h2 {
    text-align: center;
    margin-bottom: 20px;
    color: #2575fc;
}

.portfolio-card {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s, box-shadow 0.3s;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.portfolio-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.2);
}

.portfolio-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.card-content {
    padding: 20px;
}

.card-content h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
    color: #2575fc;
}

.card-content p {
    font-size: 1rem;
    color: #555;
}

/* Contact Section */
.contact-section {
    text-align: center;
    padding: 40px;
    background: white;
    border-radius: 10px;
    margin: 20px auto;
    max-width: 800px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.contact-section h2 {
    color: #2575fc;
    margin-bottom: 20px;
}

form {
    display: flex;
    flex-direction: column;
    align-items: center;
}

form label {
    margin-bottom: 5px;
    font-weight: bold;
}

form input, form textarea, form button {
    margin-bottom: 15px;
}

/* Dark Mode Styles */
body.dark header::before {
    background: rgba(0, 0, 0, 0.7);
}

body.dark nav {
    background-color: #222;
}

body.dark .about-section {
    background-color: #333;
    color: #e0e0e0;
}

body.dark .skills-section {
    background: #2a2a4a;
    color: #e0e0e0;
}

body.dark .skills-section h2 {
    color: #5a7fff;
}

body.dark .skill-card {
    background: #444;
    color: #e0e0e0;
}

body.dark .skill-card h3 {
    color: #5a7fff;
}

body.dark .portfolio-card {
    background: #333;
    color: #e0e0e0;
}

body.dark .card-content h3 {
    color: #5a7fff;
}

body.dark .card-content p {
    color: #ccc;
}

body.dark .contact-section {
    background: #333;
    color: #e0e0e0;
}

body.dark .contact-section h2 {
    color: #5a7fff;
}

body.dark form label {
    color: #e0e0e0;
}

body.dark .portfolio h2 {
    color: #5a7fff;
}

body.dark footer {
    background-color: #222;
}

/* Responsive Design */
@media (min-width: 769px) {
    .menu-toggle {
        display: none;
    }

    #sidebar {
        transform: translateX(0);
    }

    header {
        margin-left: 200px;
    }

    main {
        margin-left: 200px;
    }

    footer {
        margin-left: 200px;
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }

    #sidebar {
        transform: translateX(-100%);
    }

    header {
        margin-left: 0;
    }

    main {
        margin-left: 0;
    }

    footer {
        margin-left: 0;
    }

    #sidebar.open {
        transform: translateX(0);
    }
}