:root {
    --bg-dark: #05050f;
    --bg-light: #f0f0f5;
    --text-dark: #e0e0ff;
    --text-light: #101020;
    
    --cyan: #00f3ff;
    --purple: #bc13fe;
    --blue: #0b40e0;
    
    --glass-bg-dark: rgba(20, 20, 35, 0.4);
    --glass-border-dark: rgba(0, 243, 255, 0.1);
    
    --glass-bg-light: rgba(255, 255, 255, 0.4);
    --glass-border-light: rgba(0, 0, 0, 0.1);

    --font-main: 'Outfit', sans-serif;
    --font-mono: 'Fira Code', monospace;
}

[data-theme="light"] {
    --bg-color: var(--bg-light);
    --text-color: var(--text-light);
    --glass-bg: var(--glass-bg-light);
    --glass-border: var(--glass-border-light);
}

[data-theme="dark"] {
    --bg-color: var(--bg-dark);
    --text-color: var(--text-dark);
    --glass-bg: var(--glass-bg-dark);
    --glass-border: var(--glass-border-dark);
}

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

body {
    font-family: var(--font-main);
    background-color: var(--bg-color);
    color: var(--text-color);
    overflow-x: hidden;
    transition: background-color 0.3s, color 0.3s;
}

/* Background Animation */
.background-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    overflow: hidden;
    background: radial-gradient(circle at center, #111122 0%, #05050f 100%);
}

[data-theme="light"] .background-animation {
    background: radial-gradient(circle at center, #ffffff 0%, #e0e0f0 100%);
}

.blob {
    position: absolute;
    filter: blur(80px);
    border-radius: 50%;
    opacity: 0.5;
    animation: float 20s infinite ease-in-out alternate;
}

.blob-1 {
    width: 400px;
    height: 400px;
    background: var(--purple);
    top: -10%;
    left: -10%;
    animation-delay: 0s;
}

.blob-2 {
    width: 500px;
    height: 500px;
    background: var(--blue);
    bottom: -20%;
    right: -10%;
    animation-delay: -5s;
}

@keyframes float {
    0% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(100px, 50px) scale(1.2); }
    100% { transform: translate(-50px, 100px) scale(0.8); }
}

/* Glassmorphism */
.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
}

[data-theme="light"] .glass-panel {
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.1);
}

/* Typography & Colors */
.neon-text {
    color: var(--cyan);
    text-shadow: 0 0 10px rgba(0, 243, 255, 0.5);
}

/* Navigation */
.glass-nav {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 90%;
    max-width: 1200px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 30px;
    z-index: 1000;
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 50px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: 1px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 600;
    transition: color 0.3s;
    font-size: 1rem;
}

.nav-links a:hover {
    color: var(--cyan);
}

.glass-btn {
    background: transparent;
    border: 1px solid var(--glass-border);
    color: var(--text-color);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: all 0.3s;
}

.glass-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    box-shadow: 0 0 15px var(--cyan);
    border-color: var(--cyan);
    color: var(--cyan);
}

/* Hero Section */
main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 120px 20px 40px;
}

.hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 80vh;
    gap: 40px;
}

.hero-content {
    flex: 1;
    padding: 50px;
}

.greeting {
    font-family: var(--font-mono);
    color: var(--cyan);
    margin-bottom: 10px;
}

.name {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 10px;
    background: linear-gradient(to right, #fff, var(--cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

[data-theme="light"] .name {
    background: linear-gradient(to right, #000, var(--blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.title {
    font-size: 2rem;
    margin-bottom: 20px;
    height: 40px;
}

.cursor {
    display: inline-block;
    width: 3px;
    background-color: var(--cyan);
    animation: blink 1s infinite;
}

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

.bio {
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 30px;
    color: rgba(255,255,255,0.7);
}

[data-theme="light"] .bio {
    color: rgba(0,0,0,0.7);
}

.hero-buttons {
    display: flex;
    gap: 15px;
    align-items: center;
}

.primary-btn {
    background: linear-gradient(45deg, var(--blue), var(--purple));
    color: white;
    padding: 12px 25px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: transform 0.3s, box-shadow 0.3s;
}

.primary-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(188, 19, 254, 0.4);
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 400px;
    position: relative;
}

.ai-brain-container {
    position: relative;
    width: 200px;
    height: 200px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.pulse-ring {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border: 2px solid var(--cyan);
    animation: pulse 2s infinite;
}

.core-chip {
    font-size: 5rem;
    color: var(--cyan);
    animation: float-chip 3s infinite ease-in-out alternate;
    text-shadow: 0 0 20px var(--cyan);
}

@keyframes pulse {
    0% { transform: scale(0.8); opacity: 0.8; }
    100% { transform: scale(1.5); opacity: 0; }
}

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

/* Sections General */
section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
}

/* Skills */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
}

.skill-card {
    padding: 30px;
    text-align: center;
    transition: transform 0.3s;
}

.skill-card:hover {
    transform: translateY(-10px);
    border-color: var(--cyan);
}

.skill-icon {
    font-size: 3rem;
    color: var(--cyan);
    margin-bottom: 15px;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: rgba(255,255,255,0.1);
    border-radius: 4px;
    margin-top: 15px;
    overflow: hidden;
}

[data-theme="light"] .progress-bar {
    background: rgba(0,0,0,0.1);
}

.progress {
    height: 100%;
    background: linear-gradient(90deg, var(--cyan), var(--purple));
    border-radius: 4px;
}

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

.project-card {
    overflow: hidden;
    transition: transform 0.3s;
    display: flex;
    flex-direction: column;
}

.project-card:hover {
    transform: translateY(-10px);
    border-color: var(--purple);
}

.project-img {
    height: 200px;
    background-size: cover;
    background-position: center;
    border-bottom: 1px solid var(--glass-border);
    position: relative;
    overflow: hidden;
}

.project-img::after {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: linear-gradient(to bottom, transparent, rgba(0,0,0,0.7));
}

[data-theme="light"] .project-img::after {
    background: linear-gradient(to bottom, transparent, rgba(0,0,0,0.3));
}

/* Placeholder gradients for project images */
.placeholder-1 { background: linear-gradient(135deg, #1f005c, #5b0060, #870160, #ac255e, #ca485c, #e16b5c, #f39060, #ffb56b); }
.placeholder-2 { background: linear-gradient(135deg, #000046, #1cb5e0); }
.placeholder-3 { background: linear-gradient(135deg, #0f2027, #203a43, #2c5364); }

.project-info {
    padding: 25px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.project-info h3 {
    margin-bottom: 10px;
    color: var(--cyan);
}

.project-info p {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.7);
    margin-bottom: 15px;
    flex: 1;
}

[data-theme="light"] .project-info p {
    color: rgba(0,0,0,0.7);
}

.tech-stack {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.tech-stack span {
    font-size: 0.8rem;
    padding: 5px 10px;
    background: rgba(255,255,255,0.05);
    border-radius: 20px;
    border: 1px solid var(--glass-border);
    color: var(--cyan);
    font-family: var(--font-mono);
}

[data-theme="light"] .tech-stack span {
    background: rgba(0,0,0,0.05);
}

.primary-btn.small {
    padding: 8px 15px;
    font-size: 0.9rem;
    align-self: flex-start;
}

/* Contact Form */
.contact-container {
    max-width: 600px;
    margin: 0 auto;
    padding: 40px;
}

.input-group {
    margin-bottom: 20px;
}

.input-group label {
    display: block;
    margin-bottom: 8px;
    font-family: var(--font-mono);
    color: var(--cyan);
    font-size: 0.9rem;
}

.input-group input,
.input-group textarea {
    width: 100%;
    padding: 15px;
    background: rgba(0,0,0,0.2);
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    color: var(--text-color);
    font-family: var(--font-main);
    transition: border-color 0.3s, box-shadow 0.3s;
}

[data-theme="light"] .input-group input,
[data-theme="light"] .input-group textarea {
    background: rgba(255,255,255,0.5);
}

.input-group input:focus,
.input-group textarea:focus {
    outline: none;
    border-color: var(--cyan);
    box-shadow: 0 0 10px rgba(0, 243, 255, 0.2);
}

.glow-btn {
    width: 100%;
    justify-content: center;
    font-size: 1.1rem;
}

/* Footer */
.glass-footer {
    text-align: center;
    padding: 20px;
    border-top: 1px solid var(--glass-border);
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    margin-top: 50px;
    font-family: var(--font-mono);
    font-size: 0.9rem;
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive */
@media (max-width: 768px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding-top: 60px;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .nav-links {
        display: none;
    }
    
    .glass-nav {
        justify-content: space-between;
    }
}