:root {
    --primary: #6C63FF;
    --secondary: #4A44C6;
    --accent: #FF6584;
    --text: #333333;
    --text-light: #666666;
    --bg: #ffffff;
    --bg-secondary: #f8f9fa;
    --card-bg: #ffffff;
    --shadow: rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

.dark-mode {
    --primary: #7D76E3;
    --secondary: #5B54D6;
    --accent: #FF7B95;
    --text: #f0f0f0;
    --text-light: #b0b0b0;
    --bg: #121212;
    --bg-secondary: #1e1e1e;
    --card-bg: #1e1e1e;
    --shadow: rgba(0, 0, 0, 0.3);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: var(--text);
    background-color: var(--bg);
    transition: var(--transition);
    overflow-x: hidden;
}

/* Enhanced Scroll Animation */
.reveal {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.reveal-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.8s ease;
}

.reveal-left.active {
    opacity: 1;
    transform: translateX(0);
}

.reveal-right {
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.8s ease;
}

.reveal-right.active {
    opacity: 1;
    transform: translateX(0);
}

/* Floating Animation */
@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

.float {
    animation: float 6s ease-in-out infinite;
}

/* Pulse Animation */
@keyframes pulse {
    0% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.05);
        opacity: 0.8;
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

.pulse {
    animation: pulse 3s ease-in-out infinite;
}

/* Gradient Animation */
@keyframes gradientShift {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

.gradient-animate {
    background: linear-gradient(-45deg, var(--primary), var(--accent), var(--secondary), var(--primary));
    background-size: 400% 400%;
    animation: gradientShift 8s ease infinite;
}

/* Glow Effect */
@keyframes glow {
    0%, 100% {
        box-shadow: 0 0 20px rgba(108, 99, 255, 0.3);
    }
    50% {
        box-shadow: 0 0 40px rgba(108, 99, 255, 0.6);
    }
}

.glow {
    animation: glow 3s ease-in-out infinite;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 1rem;
}

h1 {
    font-size: 3.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 4s ease infinite;
}

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

h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    border-radius: 2px;
    animation: gradientShift 4s ease infinite;
}

p {
    margin-bottom: 1rem;
    color: var(--text-light);
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

section {
    padding: 100px 0;
}

/* Enhanced Button Animations */
.btn {
    display: inline-block;
    padding: 12px 30px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    color: white;
    border: none;
    border-radius: 30px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    box-shadow: 0 4px 15px rgba(108, 99, 255, 0.3);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.5s;
}

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

.btn:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 8px 25px rgba(108, 99, 255, 0.5);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
}

.btn-outline:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-3px) scale(1.05);
}

/* Enhanced Header & Navigation */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px var(--shadow);
    transition: var(--transition);
    transform: translateY(0);
}

.dark-mode header {
    background-color: rgba(30, 30, 30, 0.95);
}

.header-hidden {
    transform: translateY(-100%);
}

.header-scrolled {
    padding: 10px 0;
    background-color: rgba(255, 255, 255, 0.98);
}

.dark-mode .header-scrolled {
    background-color: rgba(30, 30, 30, 0.98);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    transition: var(--transition);
}

.logo {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
}

.logo:hover {
    transform: scale(1.05);
}

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

.nav-links li {
    margin-left: 30px;
    position: relative;
}

.nav-links a {
    text-decoration: none;
    color: var(--text);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
}

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

.nav-links a:hover {
    color: var(--primary);
    transform: translateY(-2px);
}

.theme-toggle {
    background: none;
    border: none;
    color: var(--text);
    font-size: 1.2rem;
    cursor: pointer;
    margin-left: 20px;
    transition: var(--transition);
    border-radius: 50%;
    padding: 8px;
}

.theme-toggle:hover {
    color: var(--primary);
    background-color: rgba(108, 99, 255, 0.1);
    transform: rotate(180deg) scale(1.1);
}

.mobile-menu {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition);
}

.mobile-menu:hover {
    color: var(--primary);
    transform: scale(1.1);
}

/* Enhanced Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, rgba(108, 99, 255, 0.1) 0%, rgba(255, 101, 132, 0.1) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    top: -250px;
    right: -100px;
    opacity: 0.1;
    z-index: -1;
    animation: float 8s ease-in-out infinite;
}

.hero::after {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), var(--primary));
    bottom: -200px;
    left: -100px;
    opacity: 0.1;
    z-index: -1;
    animation: float 6s ease-in-out infinite reverse;
}

.hero-content {
    max-width: 600px;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1s ease 0.5s forwards;
}

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

.hero h1 {
    margin-bottom: 1rem;
    font-weight: 700;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: var(--text-light);
    opacity: 0;
    animation: fadeInUp 1s ease 0.8s forwards;
}

.hero-btns {
    display: flex;
    gap: 15px;
    opacity: 0;
    animation: fadeInUp 1s ease 1.1s forwards;
}

/* Enhanced About Section */
.about {
    background-color: var(--bg-secondary);
}

.about-content {
    display: flex;
    align-items: center;
    gap: 50px;
}

.about-text {
    flex: 1;
}

.about-image {
    flex: 0 0 300px;
    text-align: center;
}

.profile-img {
    width: 250px;
    height: 250px;
    border-radius: 50%;
    object-fit: cover;
    border: 5px solid var(--primary);
    box-shadow: 0 10px 30px var(--shadow);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.profile-img::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    transition: left 0.5s;
}

.profile-img:hover::before {
    left: 100%;
}

.profile-img:hover {
    transform: scale(1.05) rotate(5deg);
    box-shadow: 0 15px 40px var(--shadow);
}

/* Enhanced Skills Section */
.skills-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.skill-card {
    background-color: var(--card-bg);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px var(--shadow);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.skill-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

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

.skill-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 15px 30px var(--shadow);
}

.skill-card i {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 20px;
    transition: var(--transition);
}

.skill-card:hover i {
    transform: scale(1.2) rotate(10deg);
}

.skill-bar {
    height: 10px;
    background-color: #e0e0e0;
    border-radius: 5px;
    margin-top: 10px;
    overflow: hidden;
    position: relative;
}

.dark-mode .skill-bar {
    background-color: #333;
}

.skill-progress {
    height: 100%;
    border-radius: 5px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    width: 0;
    transition: width 1.5s ease-in-out;
    position: relative;
    overflow: hidden;
}

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

@keyframes shimmer {
    0% { left: -100%; }
    100% { left: 100%; }
}

/* Enhanced Projects Section */
.projects {
    background-color: var(--bg-secondary);
}

.projects-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.project-card {
    background-color: var(--card-bg);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px var(--shadow);
    transition: var(--transition);
    position: relative;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(108, 99, 255, 0.1), rgba(255, 101, 132, 0.1));
    opacity: 0;
    transition: var(--transition);
}

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

.project-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 15px 30px var(--shadow);
}

.project-img {
    height: 200px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 3rem;
    position: relative;
    overflow: hidden;
}

.project-img::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;
}

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

.project-content {
    padding: 25px;
    position: relative;
}

.project-content h3 {
    margin-bottom: 10px;
    transition: var(--transition);
}

.project-card:hover .project-content h3 {
    color: var(--primary);
}

.project-content p {
    margin-bottom: 20px;
}

/* Enhanced Contact Section */
.contact-form {
    max-width: 600px;
    margin: 0 auto;
    background-color: var(--card-bg);
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 5px 15px var(--shadow);
    transition: var(--transition);
}

.contact-form:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px var(--shadow);
}

.form-group {
    margin-bottom: 20px;
    position: relative;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    transition: var(--transition);
}

.form-control {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-family: 'Poppins', sans-serif;
    font-size: 1rem;
    transition: var(--transition);
    background-color: var(--bg);
    color: var(--text);
}

.dark-mode .form-control {
    border-color: #444;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(108, 99, 255, 0.2);
    transform: scale(1.02);
}

.form-group:focus-within label {
    color: var(--primary);
    transform: translateY(-2px);
}

textarea.form-control {
    min-height: 150px;
    resize: vertical;
    transition: var(--transition);
}

.submit-btn {
    width: 100%;
    padding: 12px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    color: white;
    border: none;
    border-radius: 5px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    font-size: 1rem;
    position: relative;
    overflow: hidden;
}

.submit-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.5s;
}

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

.submit-btn:hover {
    background: linear-gradient(90deg, var(--secondary), var(--primary));
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(108, 99, 255, 0.4);
}

/* Enhanced Footer */
footer {
    background-color: var(--bg-secondary);
    padding: 50px 0 20px;
    text-align: center;
    position: relative;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 30px;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background-color: var(--primary);
    color: white;
    border-radius: 50%;
    text-decoration: none;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.social-links a::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.5s;
}

.social-links a:hover::before {
    left: 100%;
}

.social-links a:hover {
    transform: translateY(-5px) scale(1.1);
    background-color: var(--secondary);
    box-shadow: 0 5px 15px rgba(108, 99, 255, 0.4);
}

.copyright {
    color: var(--text-light);
    font-size: 0.9rem;
    opacity: 0;
    animation: fadeInUp 1s ease 0.5s forwards;
}

/* Particle Background Effect */
.particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
}

.particle {
    position: absolute;
    background: var(--primary);
    border-radius: 50%;
    opacity: 0.3;
    animation: float 15s infinite linear;
}

/* Loading Animation */
.loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loader.hidden {
    opacity: 0;
    visibility: hidden;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 5px solid rgba(108, 99, 255, 0.3);
    border-top: 5px solid var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Responsive Styles */
@media (max-width: 992px) {
    h1 {
        font-size: 2.8rem;
    }
    
    h2 {
        font-size: 2.2rem;
    }
    
    .about-content {
        flex-direction: column;
        text-align: center;
    }
    
    .about-image {
        order: -1;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background-color: var(--bg);
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
        padding-top: 50px;
        transition: var(--transition);
        backdrop-filter: blur(10px);
    }
    
    .nav-links.active {
        left: 0;
    }
    
    .nav-links li {
        margin: 15px 0;
        opacity: 0;
        transform: translateX(-20px);
        animation: slideIn 0.3s ease forwards;
    }
    
    @keyframes slideIn {
        to {
            opacity: 1;
            transform: translateX(0);
        }
    }
    
    .mobile-menu {
        display: block;
    }
    
    .hero-btns {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .hero-btns .btn {
        width: 100%;
        text-align: center;
    }
}

@media (max-width: 576px) {
    h1 {
        font-size: 2.2rem;
    }
    
    h2 {
        font-size: 1.8rem;
    }
    
    section {
        padding: 70px 0;
    }
    
    .contact-form {
        padding: 25px;
    }
}

.project-img img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: var(--transition);
}

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