/* CSS Variables - Dark Mode Color Palette */
:root {
    /* Primary Colors - Black + Neon Theme */
    --primary-color: #00ff88;
    --secondary-color: #00ccff;
    --accent-color: #ff0080;
    --success-color: #ffff00;
    
    /* Background Colors */
    --dark-bg: #000000;
    --darker-bg: #000000;
    --card-bg: #111111;
    --card-hover-bg: #1a1a1a;
    
    /* Text Colors */
    --text-primary: #ffffff;
    --text-secondary: #e0e0e0;
    --text-muted: #a0a0a0;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #00ff88 0%, #00ccff 100%);
    --gradient-accent: linear-gradient(135deg, #ff0080 0%, #ffff00 100%);
    --gradient-dark: linear-gradient(135deg, #000000 0%, #111111 100%);
    --gradient-hero: linear-gradient(135deg, #000000 0%, #111111 50%, #1a1a1a 100%);
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.8);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.9);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.9);
    --shadow-xl: 0 20px 25px rgba(0,0,0,0.95);
    --glow-primary: 0 0 30px rgba(0, 255, 136, 0.6);
    --glow-accent: 0 0 30px rgba(255, 0, 128, 0.6);
    --glow-secondary: 0 0 20px rgba(0, 204, 255, 0.5);
    --glow-success: 0 0 25px rgba(255, 255, 0, 0.5);
    
    /* Transitions */
    --transition-fast: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
}

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

.lead {
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--text-primary);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1rem 0;
    transition: var(--transition-smooth);
    backdrop-filter: blur(10px);
    background: rgba(0, 0, 0, 0.9);
    border-bottom: 1px solid var(--primary-color);
    box-shadow: 0 2px 20px rgba(0, 255, 136, 0.3);
}

.navbar.scrolled {
    background: rgba(0, 0, 0, 0.98);
    box-shadow: 0 2px 30px rgba(0, 255, 136, 0.4);
}

.navbar .container {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}



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

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

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

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color);
}

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    position: absolute;
    right: 0;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    margin: 3px 0;
    transition: var(--transition-fast);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background: var(--gradient-hero);
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: -1;
}

.gradient-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(0, 255, 136, 0.05) 0%, rgba(0, 204, 255, 0.05) 100%);
}

.animated-shapes {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
}

.shape {
    position: absolute;
    background: linear-gradient(45deg, rgba(0, 255, 136, 0.1), rgba(0, 204, 255, 0.1));
    border-radius: 50%;
    box-shadow: 0 0 40px rgba(0, 255, 136, 0.3);
}

.shape-1 {
    width: 400px;
    height: 400px;
    top: 10%;
    right: 10%;
    animation: float 8s ease-in-out infinite;
}

.shape-2 {
    width: 300px;
    height: 300px;
    bottom: 20%;
    left: 5%;
    animation: float 6s ease-in-out infinite reverse;
}

.shape-3 {
    width: 200px;
    height: 200px;
    top: 50%;
    left: 50%;
    animation: float 10s ease-in-out infinite;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    padding: 2rem 0;
}

.hero-logo {
    margin-bottom: 2rem;
    text-align: center;
}

.hero-logo-image {
    height: 600px;
    width: auto;
    filter: drop-shadow(0 10px 20px rgba(0,0,0,0.3));
    animation: float-logo 3s ease-in-out infinite;
}

@keyframes float-logo {
    0%, 100% { 
        transform: translateY(0) scale(1); 
    }
    50% { 
        transform: translateY(-10px) scale(1.02); 
    }
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-weight: 600;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    padding: 0.875rem 2rem;
    border-radius: 0.5rem;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-fast);
    position: relative;
    overflow: hidden;
    border: 2px solid transparent;
}

.btn-primary {
    background: var(--gradient-primary);
    color: #000000;
    box-shadow: var(--glow-primary);
    border: 2px solid var(--primary-color);
    font-weight: 700;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl), var(--glow-primary);
}

.btn-outline {
    border: 2px solid var(--secondary-color);
    color: var(--secondary-color);
    background: transparent;
    box-shadow: var(--glow-secondary);
    font-weight: 700;
}

.btn-outline:hover {
    background: var(--secondary-color);
    color: #000000;
    transform: translateY(-2px);
    box-shadow: 0 5px 25px rgba(0, 204, 255, 0.5);
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}



.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.image-container {
    position: relative;
    width: 400px;
    height: 400px;
}

.image-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 20px;
    box-shadow: var(--shadow-xl);
}

.image-decoration {
    position: absolute;
    top: -20px;
    left: -20px;
    right: -20px;
    bottom: -20px;
    background: var(--gradient-primary);
    border-radius: 30px;
    z-index: -1;
    opacity: 0.3;
    animation: pulse 2s ease-in-out infinite;
}

/* Sections */
section {
    padding: 5rem 0;
}

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

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.title-line {
    width: 80px;
    height: 4px;
    background: var(--gradient-primary);
    margin: 0 auto;
    border-radius: 2px;
}

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

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: start;
}

.about-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.feature-card {
    background: var(--dark-bg);
    padding: 2rem;
    border-radius: 1rem;
    transition: var(--transition-fast);
    border: 1px solid var(--primary-color);
    box-shadow: 0 0 20px rgba(0, 255, 136, 0.1);
}

.feature-card:hover {
    transform: translateY(-5px);
    background: var(--card-hover-bg);
    box-shadow: 0 10px 40px rgba(0, 255, 136, 0.3);
    border-color: var(--primary-color);
}

.feature-card i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.feature-card h3 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.feature-card p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin: 0;
}

/* Timeline */
.career {
    background: var(--dark-bg);
}

.timeline {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    width: 4px;
    height: 100%;
    background: var(--gradient-primary);
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    width: 50%;
    padding: 2rem;
}

.timeline-item.left {
    left: 0;
    padding-right: 3rem;
}

.timeline-item.right {
    left: 50%;
    padding-left: 3rem;
}

.timeline-content {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 1rem;
    position: relative;
    box-shadow: 0 5px 25px rgba(0, 204, 255, 0.2);
    transition: var(--transition-fast);
    border: 1px solid var(--secondary-color);
}

.timeline-content:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(0, 204, 255, 0.4);
}

.timeline-date {
    background: var(--gradient-primary);
    color: var(--text-primary);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    display: inline-block;
    margin-bottom: 1rem;
}

.timeline-content h3 {
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.timeline-content p {
    color: var(--text-secondary);
    margin: 0;
}

.timeline-icon {
    display: none;
}



/* Education Section */
.education {
    background: var(--card-bg);
}

.education-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.education-card {
    background: var(--dark-bg);
    padding: 2.5rem;
    border-radius: 1rem;
    text-align: center;
    transition: var(--transition-fast);
    border: 1px solid var(--accent-color);
    box-shadow: 0 5px 25px rgba(255, 0, 128, 0.1);
    position: relative;
    overflow: hidden;
}

.education-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 0, 128, 0.2), transparent);
    transition: var(--transition-smooth);
}

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

.education-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 50px rgba(255, 0, 128, 0.3);
}

.education-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: var(--text-primary);
}

.education-card h3 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.education-card h4 {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 1rem;
}

.education-year {
    background: var(--gradient-accent);
    color: var(--text-primary);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    display: inline-block;
    margin-top: 1rem;
}

/* Contact Section */
.contact {
    background: var(--dark-bg);
}

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

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

.contact-items {
    margin: 2rem 0;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.contact-item i {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--text-primary);
}

.contact-item h4 {
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.contact-item p {
    color: var(--text-secondary);
    margin: 0;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.social-link {
    width: 50px;
    height: 50px;
    background: var(--card-bg);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-fast);
}

.social-link:hover {
    background: var(--primary-color);
    color: var(--text-primary);
    transform: translateY(-3px);
}

/* Contact Form */
.contact-form {
    background: var(--card-bg);
    padding: 2.5rem;
    border-radius: 1rem;
    box-shadow: 0 10px 40px rgba(0, 255, 136, 0.2);
    border: 1px solid var(--primary-color);
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    background: var(--dark-bg);
    border: 2px solid var(--primary-color);
    border-radius: 0.5rem;
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition-fast);
    box-shadow: 0 0 10px rgba(0, 255, 136, 0.2);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 25px rgba(0, 204, 255, 0.5);
}

.form-group label {
    position: absolute;
    top: 1rem;
    left: 1rem;
    color: var(--text-muted);
    transition: var(--transition-fast);
    pointer-events: none;
}

.form-group input:focus + label,
.form-group input:valid + label,
.form-group textarea:focus + label,
.form-group textarea:valid + label {
    top: -0.5rem;
    left: 0.5rem;
    font-size: 0.875rem;
    color: var(--primary-color);
    background: var(--card-bg);
    padding: 0 0.5rem;
}

/* Footer */
.footer {
    background: var(--darker-bg);
    padding: 2rem 0;
    border-top: 1px solid var(--primary-color);
    box-shadow: 0 -2px 20px rgba(0, 255, 136, 0.2);
}

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

.footer-text p {
    color: var(--text-muted);
    margin: 0;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

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

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

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

@keyframes gradient-shift {
    0% { 
        background-position: 0% 50%; 
    }
    50% { 
        background-position: 100% 50%; 
    }
    100% { 
        background-position: 0% 50%; 
    }
}

@keyframes pulse {
    0%, 100% { 
        opacity: 0.3; 
        transform: scale(1); 
    }
    50% { 
        opacity: 0.5; 
        transform: scale(1.05); 
    }
}

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

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

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--dark-bg);
        width: 100%;
        text-align: center;
        transition: var(--transition-fast);
        padding: 2rem 0;
        box-shadow: 0 5px 30px rgba(0, 255, 136, 0.3);
        border-bottom: 1px solid var(--primary-color);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hamburger.active span:nth-child(1) {
        transform: rotate(-45deg) translate(-5px, 6px);
    }
    
    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active span:nth-child(3) {
        transform: rotate(45deg) translate(-5px, -6px);
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .hero-logo {
        margin-bottom: 1rem;
    }
    
    .hero-logo-image {
        height: 480px;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .timeline::before {
        left: 30px;
    }
    
    .timeline-item {
        width: 100%;
        left: 0 !important;
        padding-left: 70px !important;
        padding-right: 20px !important;
        margin-bottom: 2rem;
    }
    
    .timeline-item.left,
    .timeline-item.right {
        left: 0 !important;
        padding-left: 70px !important;
        padding-right: 20px !important;
    }
    

    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero-logo {
        margin-bottom: 0.5rem;
    }
    
    .hero-logo-image {
        height: 360px;
    }
    
    .section-title {
        font-size: 2rem;
    }
    

    
    .education-grid {
        grid-template-columns: 1fr;
    }
}