:root {
    --primary-bg: #0a0a1a;
    --secondary-bg: #12122a;
    --accent: #00f2ff;
    --accent-alt: #ff00d6;
    --text-primary: #ffffff;
    --text-secondary: #a0a0d0;
    --card-bg: rgba(16, 18, 40, 0.7);
    --glow: 0 0 15px;
    --input-bg: rgba(255, 255, 255, 0.1);
    --border-glow: 1px solid rgba(0, 242, 255, 0.3);
}

[data-theme="light"] {
    --primary-bg: #f0f2f5;
    --secondary-bg: #ffffff;
    --accent: #0066ff;
    --accent-alt: #ff0080;
    --text-primary: #222222;
    --text-secondary: #666688;
    --card-bg: rgba(255, 255, 255, 0.9);
    --glow: 0 0 10px;
    --input-bg: rgba(0, 0, 0, 0.05);
    --border-glow: 1px solid rgba(0, 102, 255, 0.3);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    transition: background-color 0.3s, color 0.3s, border-color 0.3s;
}

body {
    background: var(--primary-bg);
    color: var(--text-primary);
    overflow-x: hidden;
    line-height: 1.6;
}

.dark-mode-bg {
    background-image: 
        radial-gradient(circle at 15% 50%, rgba(38, 5, 77, 0.4) 0%, transparent 40%),
        radial-gradient(circle at 85% 30%, rgba(77, 5, 53, 0.4) 0%, transparent 40%),
        linear-gradient(135deg, #0a0a1a 0%, #12122a 100%);
}

.light-mode-bg {
    background-image: 
        radial-gradient(circle at 15% 50%, rgba(200, 220, 255, 0.6) 0%, transparent 40%),
        radial-gradient(circle at 85% 30%, rgba(255, 200, 240, 0.6) 0%, transparent 40%),
        linear-gradient(135deg, #f0f2f5 0%, #e6e9ef 100%);
}

/* Theme Toggle */
.theme-toggle {
    position: fixed;
    bottom: 25px;
    right: 25px;
    z-index: 1000;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    border: var(--border-glow);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
}

.theme-toggle:hover {
    transform: scale(1.1);
    border-color: var(--accent);
    box-shadow: var(--glow) var(--accent);
}

.theme-toggle i {
    font-size: 1.5rem;
    background: linear-gradient(45deg, var(--accent), var(--accent-alt));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

/* Navigation */
.futuristic-nav {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(10, 10, 26, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 242, 255, 0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-size: 1.5rem;
    font-weight: 800;
}

.logo-glow {
    background: linear-gradient(45deg, var(--accent), var(--accent-alt));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-shadow: 0 0 10px var(--accent);
}

.logo-pulse {
    color: var(--text-secondary);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

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

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: var(--accent);
}

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

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

/* Sections */
section {
    padding: 100px 2rem;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.section-container {
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.title-number {
    background: linear-gradient(45deg, var(--accent), var(--accent-alt));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-right: 1rem;
}

/* Hero Section */
.hero-section {
    position: relative;
    overflow: hidden;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-glitch {
    font-size: 1.2rem;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: 1rem;
    position: relative;
    animation: glitch 2s infinite;
}

@keyframes glitch {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-2px); }
    50% { transform: translateX(2px); }
    75% { transform: translateX(-1px); }
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.text-gradient {
    background: linear-gradient(45deg, var(--accent), var(--accent-alt));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.hero-description {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    color: var(--text-secondary);
}

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

.btn {
    padding: 1rem 2rem;
    border: none;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(45deg, var(--accent), var(--accent-alt));
    color: white;
}

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

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.hero-visual {
    position: relative;
    height: 400px;
}

.cyber-grid {
    position: absolute;
    width: 100%;
    height: 100%;
    background: 
        linear-gradient(90deg, transparent 24px, rgba(0, 242, 255, 0.1) 25px, transparent 26px),
        linear-gradient(transparent 24px, rgba(0, 242, 255, 0.1) 25px, transparent 26px);
    background-size: 26px 26px;
    animation: grid-move 20s linear infinite;
}

@keyframes grid-move {
    0% { background-position: 0 0; }
    100% { background-position: 26px 26px; }
}

.floating-shapes {
    position: absolute;
    width: 100%;
    height: 100%;
}

.shape {
    position: absolute;
    border-radius: 50%;
    background: linear-gradient(45deg, var(--accent), var(--accent-alt));
    opacity: 0.3;
    animation: float 6s ease-in-out infinite;
}

.shape-1 {
    width: 80px;
    height: 80px;
    top: 20%;
    left: 20%;
    animation-delay: 0s;
}

.shape-2 {
    width: 60px;
    height: 60px;
    top: 60%;
    left: 70%;
    animation-delay: 2s;
}

.shape-3 {
    width: 100px;
    height: 100px;
    top: 40%;
    left: 50%;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

/* About Section */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    color: var(--text-secondary);
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    background: linear-gradient(45deg, var(--accent), var(--accent-alt));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.code-terminal {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 1.5rem;
    border: var(--border-glow);
    box-shadow: var(--glow) var(--accent);
}

.terminal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-glow);
}

.terminal-dots {
    display: flex;
    gap: 0.5rem;
}

.terminal-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--accent-alt);
}

.terminal-dots span:nth-child(1) { background: #ff5f56; }
.terminal-dots span:nth-child(2) { background: #ffbd2e; }
.terminal-dots span:nth-child(3) { background: #27ca3f; }

.terminal-content {
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
}

.terminal-prompt {
    color: var(--accent);
}

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

.skill-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 12px;
    border: var(--border-glow);
    text-align: center;
    transition: all 0.3s ease;
}

.skill-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--glow) var(--accent);
}

.skill-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    background: linear-gradient(45deg, var(--accent), var(--accent-alt));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.skill-name {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.level-bar {
    width: 100%;
    height: 6px;
    background: var(--input-bg);
    border-radius: 3px;
    overflow: hidden;
}

.level-progress {
    height: 100%;
    background: linear-gradient(45deg, var(--accent), var(--accent-alt));
    border-radius: 3px;
    animation: progressFill 2s ease-in-out;
}

@keyframes progressFill {
    from { width: 0%; }
}

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

.project-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 12px;
    border: var(--border-glow);
    transition: all 0.3s ease;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--glow) var(--accent);
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.project-title {
    font-size: 1.3rem;
    color: var(--text-primary);
}

.project-links {
    display: flex;
    gap: 0.5rem;
}

.project-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 1.2rem;
    transition: color 0.3s ease;
}

.project-link:hover {
    color: var(--accent);
}

.project-description {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.project-technologies {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tech-tag {
    background: linear-gradient(45deg, var(--accent), var(--accent-alt));
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

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

.contact-info h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.contact-info p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.contact-item i {
    color: var(--accent);
    font-size: 1.2rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    position: relative;
}

.form-input {
    width: 100%;
    padding: 1rem;
    border: var(--border-glow);
    background: var(--input-bg);
    color: var(--text-primary);
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 2px rgba(0, 242, 255, 0.2);
}

.form-input::placeholder {
    color: var(--text-secondary);
}
.form-status {
    padding: 12px;
    border-radius: 6px;
    margin-top: 1rem;
    display: none;
    text-align: center;
}

.form-status.success {
    background: rgba(46, 204, 113, 0.2);
    border: 1px solid #2ecc71;
    display: block;
}

.form-status.error {
    background: rgba(231, 76, 60, 0.2);
    border: 1px solid #e74c3c;
    display: block;
}

.btn-loading {
    position: relative;
    color: transparent !important;
}

.btn-loading::after {
    content: "";
    position: absolute;
    width: 20px;
    height: 20px;
    top: 50%;
    left: 50%;
    margin: -10px 0 0 -10px;
    border: 2px solid #ffffff;
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 0.8s ease infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Footer */
.futuristic-footer {
    background: var(--secondary-bg);
    padding: 2rem;
    text-align: center;
    border-top: var(--border-glow);
}

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

.footer-links {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 1rem;
}

.footer-links a {
    color: var(--text-secondary);
    font-size: 1.5rem;
    transition: color 0.3s ease;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        gap: 1rem;
    }
    
    .nav-links {
        gap: 1rem;
    }
    
    .hero-container,
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    section {
        padding: 80px 1rem;
    }
    
    .theme-toggle {
        bottom: 15px;
        right: 15px;
        width: 50px;
        height: 50px;
    }
}