/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Theme Variables */
:root {
    --primary-bg: #000014;
    --secondary-bg: #0a0a23;
    --accent-color: #00ffff;
    --secondary-accent: #ff00ff;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --card-bg: rgba(255, 255, 255, 0.05);
    --gradient-primary: linear-gradient(45deg, #00ffff, #ff00ff);
    --gradient-secondary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --shadow-neon: 0 0 20px rgba(0, 255, 255, 0.5);
    --shadow-pink: 0 0 20px rgba(255, 0, 255, 0.5);
}

[data-theme="light"] {
    --primary-bg: #f8f9fa;
    --secondary-bg: #e9ecef;
    --accent-color: #007bff;
    --secondary-accent: #6f42c1;
    --text-primary: #212529;
    --text-secondary: #6c757d;
    --card-bg: rgba(255, 255, 255, 0.9);
    --shadow-neon: 0 0 20px rgba(0, 123, 255, 0.3);
    --shadow-pink: 0 0 20px rgba(111, 66, 193, 0.3);
}

body {
    font-family: 'Orbitron', monospace;
    background: var(--primary-bg);
    color: var(--text-primary);
    overflow-x: hidden;
    line-height: 1.6;
}

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

::-webkit-scrollbar-track {
    background: var(--secondary-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--accent-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-accent);
}

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

/* Header */
header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(0, 0, 20, 0.9);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    border-bottom: 1px solid rgba(0, 255, 255, 0.2);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3), 0 2px 8px rgba(0, 255, 255, 0.1), 0 0 15px rgba(0, 255, 255, 0.05);
}

nav ul {
    display: flex;
    justify-content: center;
    align-items: center;
    list-style: none;
    gap: 2rem;
}

nav a {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

nav a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-color);
    transition: width 0.3s ease;
}

nav a:hover::after {
    width: 100%;
}

#theme-toggle {
    background: none;
    border: 2px solid var(--accent-color);
    color: var(--accent-color);
    padding: 0.5rem 1rem;
    border-radius: 25px;
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3), 0 2px 4px rgba(0, 255, 255, 0.2);
}

#theme-toggle:hover {
    background: var(--accent-color);
    color: var(--primary-bg);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.4), 0 3px 6px rgba(0, 255, 255, 0.3), var(--shadow-neon);
    transform: translateY(-2px);
}

/* Hero Section */
#hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(ellipse at center, #001122 0%, #000014 100%);
    position: relative;
    overflow: hidden;
}

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

.glitch-text h1 {
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 700;
    margin-bottom: 1rem;
    position: relative;
    color: var(--accent-color);
}

.glitch-text h1::before,
.glitch-text h1::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.glitch-text h1::before {
    color: #ff00ff;
    animation: glitch 2s infinite;
    clip-path: polygon(0 0, 100% 0, 100% 45%, 0 45%);
}

.glitch-text h1::after {
    color: #00ff00;
    animation: glitch 2s infinite reverse;
    clip-path: polygon(0 55%, 100% 55%, 100% 100%, 0 100%);
}

@keyframes glitch {
    0%, 20%, 40%, 60%, 80%, 100% {
        transform: translate(0);
    }
    10% {
        transform: translate(-2px, 2px);
    }
    30% {
        transform: translate(2px, -2px);
    }
    50% {
        transform: translate(-1px, 1px);
    }
    70% {
        transform: translate(1px, -1px);
    }
    90% {
        transform: translate(-1px, -1px);
    }
}

.typewriter {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    overflow: hidden;
    border-right: 2px solid var(--accent-color);
    white-space: nowrap;
    margin: 0 auto 2rem;
    letter-spacing: 0.1em;
    animation: typing 3.5s steps(40, end), blink-caret 0.75s step-end infinite;
}

@keyframes typing {
    from { width: 0 }
    to { width: 100% }
}

@keyframes blink-caret {
    from, to { border-color: transparent }
    50% { border-color: var(--accent-color) }
}

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

.btn {
    display: inline-block;
    padding: 1rem 2rem;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3), 0 2px 4px rgba(0, 0, 0, 0.2);
}

.neon-btn {
    background: transparent;
    color: var(--accent-color);
    border: 2px solid var(--accent-color);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3), 0 2px 4px rgba(0, 255, 255, 0.2), var(--shadow-neon);
}

.neon-btn:hover {
    background: var(--accent-color);
    color: var(--primary-bg);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4), 0 4px 8px rgba(0, 255, 255, 0.3), 0 0 30px var(--accent-color);
    transform: translateY(-2px);
}

.outline-btn {
    background: transparent;
    color: var(--secondary-accent);
    border: 2px solid var(--secondary-accent);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3), 0 2px 4px rgba(255, 0, 255, 0.2);
}

.outline-btn:hover {
    background: var(--secondary-accent);
    color: var(--primary-bg);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4), 0 4px 8px rgba(255, 0, 255, 0.3), var(--shadow-pink);
    transform: translateY(-2px);
}

/* Floating Particles */
.floating-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.floating-particles::before {
    content: '';
    position: absolute;
    top: 20%;
    left: 20%;
    width: 4px;
    height: 4px;
    background: var(--accent-color);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
    box-shadow: 0 0 10px var(--accent-color);
}

.floating-particles::after {
    content: '';
    position: absolute;
    top: 60%;
    right: 20%;
    width: 6px;
    height: 6px;
    background: var(--secondary-accent);
    border-radius: 50%;
    animation: float 8s ease-in-out infinite reverse;
    box-shadow: 0 0 15px var(--secondary-accent);
}

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

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

.section-title {
    font-size: 3rem;
    text-align: center;
    margin-bottom: 3rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.about-text p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: var(--text-secondary);
}

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

.skill-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.skill-name {
    font-weight: 600;
    color: var(--accent-color);
}

.skill-bar {
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    overflow: hidden;
}

.skill-progress {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 4px;
    transition: width 2s ease;
    animation: fillBar 2s ease-in-out;
}

@keyframes fillBar {
    from { width: 0; }
}

.about-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hologram-effect {
    width: 300px;
    height: 300px;
    background: var(--gradient-primary);
    border-radius: 50%;
    position: relative;
    animation: hologram 4s ease-in-out infinite;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4), 0 5px 10px rgba(0, 255, 255, 0.3), 0 0 30px rgba(0, 255, 255, 0.2);
}

.hologram-effect::before {
    content: '';
    position: absolute;
    inset: 20px;
    background: var(--secondary-bg);
    border-radius: 50%;
}

@keyframes hologram {
    0%, 100% { transform: scale(1) rotate(0deg); }
    50% { transform: scale(1.1) rotate(180deg); }
}

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

.project-card {
    background: var(--card-bg);
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 255, 255, 0.2);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3), 0 4px 8px rgba(0, 255, 255, 0.1), 0 0 20px rgba(0, 255, 255, 0.1);
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 32px rgba(0, 0, 0, 0.4), 0 8px 16px rgba(0, 255, 255, 0.2), 0 0 30px rgba(0, 255, 255, 0.3);
    border-color: rgba(0, 255, 255, 0.4);
}

.project-image {
    height: 200px;
    background: var(--gradient-secondary);
    position: relative;
    overflow: hidden;
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

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

.project-link {
    color: var(--accent-color);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border: 1px solid var(--accent-color);
    border-radius: 20px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2), 0 0 10px rgba(0, 255, 255, 0.1);
}

.project-link:hover {
    background: var(--accent-color);
    color: var(--primary-bg);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3), 0 0 20px rgba(0, 255, 255, 0.3);
}

.project-content {
    padding: 1.5rem;
}

.project-content h3 {
    color: var(--accent-color);
    margin-bottom: 1rem;
    font-size: 1.4rem;
}

.project-content p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

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

.tech-tag {
    background: var(--gradient-primary);
    color: var(--primary-bg);
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2), 0 0 10px rgba(0, 255, 255, 0.1);
}

/* Contact Section */
#contact {
    background: var(--secondary-bg);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.contact-form {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 20px;
    border: 1px solid rgba(0, 255, 255, 0.2);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3), 0 4px 8px rgba(0, 255, 255, 0.1), 0 0 20px rgba(0, 255, 255, 0.1);
}

.form-group {
    position: relative;
    margin-bottom: 2rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    background: transparent;
    border: 2px solid rgba(0, 255, 255, 0.3);
    border-radius: 10px;
    color: var(--text-primary);
    font-family: 'Orbitron', monospace;
    transition: all 0.3s ease;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2), 0 2px 4px rgba(0, 255, 255, 0.1), 0 0 10px rgba(0, 255, 255, 0.05);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: transparent;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3), 0 3px 6px rgba(0, 255, 255, 0.2), 0 0 20px rgba(0, 255, 255, 0.2);
}

.form-group label {
    position: absolute;
    top: 1rem;
    left: 1rem;
    color: var(--text-secondary);
    pointer-events: none;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.form-group input:focus + label,
.form-group textarea:focus + label,
.form-group input:not(:placeholder-shown) + label,
.form-group textarea:not(:placeholder-shown) + label {
    top: -0.5rem;
    left: 0.5rem;
    font-size: 0.8rem;
    color: var(--accent-color);
    background: var(--secondary-bg);
    padding: 0 0.5rem;
    border-radius: 4px;
}

.form-group textarea {
    height: 120px;
    resize: vertical;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--card-bg);
    border-radius: 15px;
    border: 1px solid rgba(255, 0, 255, 0.2);
    transition: all 0.3s ease;
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.3), 0 3px 6px rgba(255, 0, 255, 0.1), 0 0 15px rgba(255, 0, 255, 0.1);
    
}

.contact-item a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease;
}

/* hover state */
.contact-item a:hover {
  color: #0077b5 !important;  /* LinkedIn-blue (or pick your own) */
}

.contact-icon {
    font-size: 2rem;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: 50%;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3), 0 0 15px rgba(0, 255, 255, 0.2);
}

.contact-item h4 {
    color: var(--accent-color);
    margin-bottom: 0.5rem;
}

.contact-item p {
    color: var(--text-secondary);
}

/* Footer */
footer {
    background: var(--primary-bg);
    padding: 2rem 0;
    border-top: 1px solid rgba(0, 255, 255, 0.2);
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.3), 0 -2px 8px rgba(0, 255, 255, 0.1), 0 0 15px rgba(0, 255, 255, 0.05);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

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

.social-link {
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-link:hover {
    color: var(--accent-color);
    transform: translateY(-2px);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .typewriter {
        font-size: 1.2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    nav ul {
        flex-direction: column;
        gap: 1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    section {
        padding: 60px 0;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .btn {
        padding: 0.8rem 1.5rem;
    }
}