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

:root {
    --bg-color: #0a0a0a;
    --text-color: #f5f5f5;
    --card-bg: rgba(26, 26, 26, 0.9);
    --navbar-bg: rgba(10, 10, 10, 0.95);
    --footer-bg: rgba(26, 26, 26, 0.95);
    --skill-bar-bg: #2a2a2a;
    --project-card-bg: rgba(26, 26, 26, 0.9);
    --accent-color: #8A2BE2;
    --accent-secondary: #6a0dad;
    --accent-gradient: linear-gradient(135deg, #8A2BE2, #6a0dad, #23a6d5);
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.15);
    --neon-glow: 0 0 20px rgba(138, 43, 226, 0.4);
    --border-color: #333;
    --border-radius: 16px;
    --transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.light-theme {
    --bg-color: #f8f9fa;
    --text-color: #2d3748;
    --card-bg: rgba(255, 255, 255, 0.95);
    --navbar-bg: rgba(248, 249, 250, 0.95);
    --footer-bg: rgba(255, 255, 255, 0.95);
    --skill-bar-bg: #e2e8f0;
    --project-card-bg: rgba(255, 255, 255, 0.95);
    --glass-bg: rgba(255, 255, 255, 0.6);
    --glass-border: rgba(0, 0, 0, 0.1);
    --neon-glow: 0 0 20px rgba(138, 43, 226, 0.2);
    --border-color: #e2e8f0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background: var(--bg-color);
    color: var(--text-color);
    line-height: 1.7;
    overflow-x: hidden;
    transition: var(--transition);
    background-image: 
        radial-gradient(at 80% 20%, rgba(138, 43, 226, 0.1) 0px, transparent 50%),
        radial-gradient(at 20% 80%, rgba(33, 150, 243, 0.1) 0px, transparent 50%);
    background-attachment: fixed;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.2rem 5%;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    background: var(--navbar-bg);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    transition: var(--transition);
}

.nav-brand {
    display: flex;
}

.brand-logo {
    font-size: 1.8rem;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-menu a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
    padding: 0.5rem 0;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--accent-color);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent-gradient);
    transition: var(--transition);
}

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

.controls-container {
    display: flex;
    align-items: center;
    gap: 15px;
}

.theme-switch-wrapper {
    display: flex;
    align-items: center;
    gap: 10px;
}

.theme-switch {
    position: relative;
    display: inline-block;
    width: 60px;
    height: 34px;
}

.theme-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    transition: .4s;
    border-radius: 34px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 26px;
    width: 26px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: .4s;
    border-radius: 50%;
}

input:checked + .slider {
    background-color: var(--accent-color);
}

input:checked + .slider:before {
    transform: translateX(26px);
}

.theme-text {
    font-size: 0.9rem;
    white-space: nowrap;
}

.language-switcher {
    display: flex;
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
}

.lang-btn {
    padding: 6px 12px;
    background: transparent;
    color: var(--text-color);
    border: none;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.9rem;
}

.lang-btn.active {
    background: var(--accent-color);
    color: white;
}

.lang-btn:hover {
    background: var(--accent-color);
    opacity: 0.9;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 5px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: var(--text-color);
    margin: 3px 0;
    transition: 0.3s;
    border-radius: 2px;
}

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 0 5%;
    margin-top: 80px;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(138, 43, 226, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(33, 150, 243, 0.15) 0%, transparent 50%);
    z-index: -1;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    font-weight: 700;
    line-height: 1.2;
}

.highlight {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: block;
}

.description {
    font-size: 1.2rem;
    margin-bottom: 2.5rem;
    max-width: 700px;
    color: var(--text-color);
    opacity: 0.9;
}

.cta-button {
    display: inline-block;
    padding: 1.2rem 2.5rem;
    background: var(--accent-gradient);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    box-shadow: var(--neon-glow);
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 30px rgba(138, 43, 226, 0.4);
}

.services {
    padding: 8rem 5%;
    background: var(--bg-color);
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 1rem;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-subtitle {
    font-size: 1.2rem;
    text-align: center;
    margin-bottom: 4rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0.8;
}

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

.service-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
    transition: left 0.6s;
}

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

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--neon-glow);
    border-color: var(--accent-color);
}

.service-card i {
    font-size: 3rem;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 1.5rem;
    display: block;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.service-card p {
    color: var(--text-color);
    opacity: 0.8;
    line-height: 1.6;
}

.skills-page {
    padding: 8rem 5% 4rem;
    min-height: 100vh;
    margin-top: 80px;
}

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

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

.skill-category {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    padding: 2rem;
    transition: var(--transition);
}

.skill-category:hover {
    transform: translateY(-5px);
    box-shadow: var(--neon-glow);
    border-color: var(--accent-color);
}

.category-header {
    display: flex;
    align-items: center;
    margin-bottom: 1.5rem;
}

.category-icon {
    font-size: 2rem;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-right: 1rem;
}

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

.skill-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
}

.skill-bar {
    height: 8px;
    background: var(--skill-bar-bg);
    border-radius: 4px;
    overflow: hidden;
}

.skill-progress {
    height: 100%;
    background: var(--accent-gradient);
    border-radius: 4px;
    transition: width 1.5s ease;
}

.projects-page {
    padding: 8rem 5%;
    min-height: 100vh;
    margin-top: 80px;
}

.projects-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
}

.project-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition);
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--neon-glow);
    border-color: var(--accent-color);
}

.project-image {
    height: 200px;
    overflow: hidden;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.project-info {
    padding: 1.5rem;
}

.project-tech {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.project-tech span {
    background: var(--accent-color);
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
}

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

.project-links a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--accent-color);
    text-decoration: none;
    transition: var(--transition);
    padding: 0.5rem 1rem;
    border: 1px solid var(--accent-color);
    border-radius: 20px;
}

.project-links a:hover {
    background: var(--accent-color);
    color: white;
}

.about-page {
    padding: 8rem 5%;
    min-height: 100vh;
    margin-top: 80px;
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto;
    align-items: start;
}

.about-text h3 {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin: 2rem 0 1rem;
}

.about-image {
    display: flex;
    justify-content: center;
}

.image-placeholder {
    width: 250px;
    height: 250px;
    background: var(--accent-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 4rem;
    animation: float 3s ease-in-out infinite;
}

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

.footer {
    background: var(--footer-bg);
    backdrop-filter: blur(20px);
    padding: 4rem 5% 2rem;
    border-top: 1px solid var(--glass-border);
}

.footer-sections {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    margin-bottom: 1.5rem;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.contact-info p {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
    opacity: 0.8;
}

.contact-info i {
    margin-right: 0.8rem;
    color: var(--accent-color);
}

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

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--glass-bg);
    color: var(--accent-color);
    border-radius: 50%;
    text-decoration: none;
    transition: var(--transition);
    border: 1px solid var(--glass-border);
}

.social-links a:hover {
    background: var(--accent-gradient);
    color: white;
    transform: translateY(-3px);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.8rem;
}

.footer-links a {
    color: var(--text-color);
    text-decoration: none;
    transition: var(--transition);
    opacity: 0.8;
}

.footer-links a:hover {
    color: var(--accent-color);
    opacity: 1;
}

.copyright {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--glass-border);
    opacity: 0.8;
}

.scroll-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: var(--accent-gradient);
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: none;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    z-index: 1000;
    box-shadow: var(--neon-glow);
}

.scroll-to-top:hover {
    transform: translateY(-3px);
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--navbar-bg);
        backdrop-filter: blur(20px);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        padding: 2rem 0;
        gap: 1.5rem;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .services-grid,
    .projects-container {
        grid-template-columns: 1fr;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .theme-text {
        display: none;
    }
}

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

.fade-in {
    animation: fadeInUp 0.8s ease-out;
}

.services,
.projects-page,
.skills-page,
.about-page {
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
}



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

.particle {
    position: absolute;
    background: var(--accent-color);
    border-radius: 50%;
    animation: floatParticle 15s infinite linear;
}

@keyframes floatParticle {
    0% { 
        transform: translateY(100vh) rotate(0deg); 
        opacity: 0;
    }
    10% {
        opacity: 0.3;
    }
    90% {
        opacity: 0.3;
    }
    100% { 
        transform: translateY(-100px) rotate(360deg);
        opacity: 0;
    }
}