/* Enhanced CSS Variables with Animation Colors */
:root {
    /* New Color Palette - Modern Purple & Teal Theme */
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary: #14b8a6;
    --secondary-dark: #0d9488;
    --secondary-light: #5eead4;
    
    /* Neutral Colors */
    --light: #ffffff;
    --dark: #1e293b;
    --gray: #64748b;
    --gray-light: #f1f5f9;
    --gray-dark: #334155;
    
    /* Status Colors */
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #3b82f6;
    
    /* Code Theme Colors */
    --code-bg: #0f172a;
    --code-blue: #60a5fa;
    --code-green: #34d399;
    --code-purple: #a78bfa;
    --code-yellow: #fbbf24;
    --code-pink: #f472b6;
    
    /* Design System */
    --border-radius: 8px;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-hover: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --transition: all 0.3s ease;
}

[data-theme="dark"] {
    --primary: #818cf8;
    --primary-dark: #6366f1;
    --secondary: #5eead4;
    --dark: #f8fafc;
    --light: #0f172a;
    --gray: #94a3b8;
    --gray-light: #1e293b;
    --gray-dark: #e2e8f0;
    --success: #34d399;
    --warning: #fbbf24;
    --danger: #f87171;
    --info: #60a5fa;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    --shadow-hover: 0 15px 40px rgba(0, 0, 0, 0.4);
}

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

html {
    scroll-behavior: smooth;
}

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

h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    line-height: 1.3;
}

.container {
    width: 100%;
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 12px;
}

section {
    padding: 50px 0;
}

.section-title {
    font-size: 1.7rem;
    margin-bottom: 12px;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -10px;
    width: 70px;
    height: 4px;
    background: linear-gradient(to right, var(--primary), var(--secondary));
    border-radius: 2px;
}

.section-subtitle {
    color: var(--gray);
    font-size: 0.9rem;
    margin-bottom: 30px;
    max-width: 650px;
}

/* Scroll Progress Bar */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: linear-gradient(to right, var(--primary), var(--secondary));
    z-index: 10000;
    transition: width 0.2s ease;
}

/* Particles Background */
#particles-js {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
}

/* Theme Toggle */
.theme-toggle {
    background: none;
    border: none;
    color: var(--dark);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.theme-toggle:hover {
    background-color: var(--gray-light);
    transform: scale(1.1);
}

[data-theme="dark"] .theme-toggle {
    color: var(--dark);
}

/* Typing Animation */
#typing-text {
    border-right: 3px solid var(--primary);
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 50% { border-color: var(--primary); }
    51%, 100% { border-color: transparent; }
}

/* Project Filters */
.project-filters {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin: 30px 0;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 20px;
    border: 2px solid var(--gray-light);
    background-color: transparent;
    color: var(--gray);
    border-radius: var(--border-radius);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.9rem;
}

.filter-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-2px);
}

.filter-btn.active {
    background-color: var(--primary);
    color: var(--light);
    border-color: var(--primary);
}

/* Project Card Hidden State */
.project-card.hidden {
    display: none;
}

.project-card.visible {
    display: block;
    animation: fadeInUp 0.5s ease;
}

/* Header & Navigation */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 12px 0;
    transition: var(--transition);
    background-color: var(--light);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow);
}

header.scrolled {
    padding: 8px 0;
    background-color: var(--light);
}

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

.logo {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--dark);
    display: flex;
    align-items: center;
    gap: 6px;
    text-decoration: none;
}

.logo span {
    color: var(--primary);
}

.logo i {
    color: var(--secondary);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 18px;
}

.nav-links a {
    text-decoration: none;
    color: var(--dark);
    font-weight: 500;
    font-size: 1rem;
    transition: var(--transition);
    position: relative;
}

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

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

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

.mobile-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--dark);
    background: none;
    border: 2px solid transparent;
    padding: 8px;
    border-radius: 6px;
    transition: all 0.2s ease;
    min-width: 44px;
    min-height: 44px;
    position: relative;
    z-index: 1001;
}

.mobile-toggle:hover {
    background-color: var(--gray-light);
    border-color: var(--primary);
}

.mobile-toggle:active {
    transform: scale(0.95);
    background-color: var(--primary);
    color: var(--light);
}

.mobile-toggle i {
    transition: transform 0.3s ease;
    display: block;
    width: 24px;
    height: 24px;
    text-align: center;
    line-height: 24px;
}

/* Hero Section */
.hero {
    padding-top: 80px;
    min-height: 70vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    right: 0;
    width: 45%;
    height: 100%;
    background: linear-gradient(135deg, rgba(58, 134, 255, 0.1), rgba(131, 56, 236, 0.1));
    border-radius: 0 0 0 100px;
    z-index: -1;
    transform: translateX(100px);
    opacity: 0;
    animation: fadeInRight 1s ease forwards 0.5s;
}

@keyframes fadeInRight {
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.hero-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.hero-text {
    flex: 1;
    animation: fadeInUp 1s ease;
}

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

.hero-text h1 {
    font-size: 2rem;
    margin-bottom: 10px;
    line-height: 1.2;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 5px;
}

.hero-text h1 span {
    color: var(--primary);
    position: relative;
}

.hero-text h1 span::after {
    content: '';
    position: absolute;
    bottom: 5px;
    left: 0;
    width: 100%;
    height: 8px;
    background-color: rgba(58, 134, 255, 0.2);
    z-index: -1;
}

.hero-text p {
    font-size: 1rem;
    color: var(--gray);
    margin-bottom: 20px;
    max-width: 500px;
}

.highlight {
    display: inline-block;
    background-color: rgba(6, 214, 160, 0.1);
    color: var(--success);
    padding: 5px 15px;
    border-radius: 30px;
    font-weight: 500;
    margin-bottom: 20px;
    animation: pulse 2s infinite;
}

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

.cta-buttons {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}

.btn {
    padding: 10px 20px;
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: 0.9rem;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background-color: var(--primary);
    color: var(--light);
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

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

.btn-secondary:hover {
    background-color: rgba(58, 134, 255, 0.1);
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

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

.profile-container {
    width: 240px;
    height: 240px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    animation: float 6s ease-in-out infinite;
    box-shadow: 0 20px 40px rgba(58, 134, 255, 0.3);
}

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

.profile-container::before {
    content: '';
    position: absolute;
    width: 260px;
    height: 260px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    opacity: 0.2;
    z-index: -1;
    animation: pulse-ring 3s ease-in-out infinite;
}

@keyframes pulse-ring {
    0% { transform: scale(0.8); opacity: 0.8; }
    100% { transform: scale(1.1); opacity: 0; }
}

.profile-container img {
    width: 230px;
    height: 230px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid white;
}

/* About Section */
.about {
    background-color: var(--light);
}

.about-content {
    display: flex;
    align-items: center;
    gap: 50px;
}

.about-text {
    flex: 1;
}

.about-text p {
    margin-bottom: 16px;
    font-size: 1rem;
}

.skills-container {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-top: 24px;
}

.skill-item {
    background-color: var(--light);
    padding: 12px 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}

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

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

.about-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
}

.stat-item {
    background-color: var(--light);
    padding: 12px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
}

.stat-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 10px;
}

.stat-label {
    color: var(--gray);
    font-weight: 500;
}

/* Projects Section */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.project-card {
    background-color: var(--light);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

.project-image {
    height: 180px;
    width: 100%;
    overflow: hidden;
    flex-shrink: 0;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.project-card:hover .project-image img {
    transform: scale(1.1);
}

.project-content {
    padding: 20px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.project-content h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: var(--dark);
}

.project-content p {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--gray);
    margin-bottom: 15px;
    flex-grow: 1;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: auto;
}

.tag {
    background-color: var(--primary);
    color: var(--light);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    transition: var(--transition);
}

.tag:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
}

.project-links {
    display: flex;
    gap: 10px;
    margin-top: 15px;
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    color: var(--primary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
}

.project-link:hover {
    color: var(--primary-dark);
    transform: translateX(3px);
}

/* Experience Section */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding: 20px 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--primary);
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    margin-bottom: 40px;
    display: flex;
    align-items: center;
}

.timeline-item:nth-child(odd) {
    flex-direction: row-reverse;
}

.timeline-date {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: var(--light);
    padding: 8px 16px;
    border-radius: 20px;
    font-weight: 500;
    font-size: 0.9rem;
    white-space: nowrap;
    z-index: 1;
}

.timeline-content {
    background: var(--light);
    padding: 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    width: 45%;
    transition: var(--transition);
}

.timeline-content:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.timeline-content h3 {
    color: var(--primary);
    margin-bottom: 8px;
    font-size: 1.2rem;
}

.timeline-content h4 {
    color: var(--dark);
    margin-bottom: 10px;
    font-size: 1rem;
}

.timeline-content ul {
    list-style: none;
    padding: 0;
}

.timeline-content li {
    color: var(--gray);
    margin-bottom: 5px;
    position: relative;
    padding-left: 15px;
}

.timeline-content li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--primary);
}

/* Contact Section */
.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-top: 30px;
}

.contact-info {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px;
    background: var(--light);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.contact-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--primary);
    color: var(--light);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.contact-details h3 {
    color: var(--dark);
    margin-bottom: 5px;
    font-size: 1.1rem;
}

.contact-details p {
    color: var(--gray);
    font-size: 0.95rem;
}

.contact-form {
    background: var(--light);
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--dark);
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--gray-light);
    border-radius: var(--border-radius);
    font-size: 0.95rem;
    transition: var(--transition);
    background: var(--light);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

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

.btn-submit {
    width: 100%;
    padding: 14px;
    background: var(--primary);
    color: var(--light);
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.btn-submit:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

/* Footer */

/* Experience Section */
.experience {
    background-color: var(--light);
}

.timeline {
    position: relative;
    max-width: 750px;
    margin: 40px auto 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 30px;
    top: 0;
    height: 100%;
    width: 4px;
    background: linear-gradient(to bottom, var(--primary), var(--secondary));
}

.timeline-item {
    position: relative;
    margin-bottom: 40px;
    padding-left: 80px;
}

.timeline-date {
    position: absolute;
    left: 0;
    top: 0;
    background-color: var(--primary);
    color: var(--light);
    padding: 8px 20px;
    border-radius: 30px;
    font-weight: 600;
    font-size: 0.9rem;
}

.timeline-content {
    background-color: var(--light);
    padding: 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.timeline-content h3 {
    font-size: 1.3rem;
    margin-bottom: 5px;
}

.timeline-content h4 {
    color: var(--primary);
    font-weight: 500;
    margin-bottom: 10px;
}

.timeline-content ul {
    padding-left: 20px;
    color: var(--gray);
}

.timeline-content li {
    margin-bottom: 5px;
}

/* Contact Section */
.contact-container {
    display: flex;
    gap: 40px;
    margin-top: 40px;
}

.contact-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
    background-color: var(--light);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.contact-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--light);
    font-size: 1.3rem;
}

.contact-details h3 {
    font-size: 1.2rem;
    margin-bottom: 5px;
}

.contact-details p {
    color: var(--gray);
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 30px;
}

.social-link {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--gray-light);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--dark);
    font-size: 1.2rem;
    transition: var(--transition);
    text-decoration: none;
}

.social-link:hover {
    background-color: var(--primary);
    color: var(--light);
    transform: translateY(-5px);
}

.contact-form {
    flex: 1;
    background-color: var(--light);
    padding: 32px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--dark);
}

.form-control {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--gray-light);
    border-radius: var(--border-radius);
    font-family: 'Inter', sans-serif;
    font-size: 0.95rem;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
}

textarea.form-control {
    min-height: 150px;
    resize: vertical;
}

/* Footer */
footer {
    background-color: var(--dark);
    color: var(--light);
    padding: 50px 0 24px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
}

.footer-logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--light);
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}

.footer-logo span {
    color: var(--primary);
}

.footer-links {
    display: flex;
    gap: 30px;
}

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

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

.copyright {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--gray-light);
    color: var(--gray);
    font-size: 0.9rem;
}

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

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

/* Page Transitions */
.page-transition {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.page-transition.active {
    opacity: 1;
    transform: translateY(0);
}

/* Smooth scroll behavior */
html {
    scroll-behavior: smooth;
}

/* Enhanced section transitions */
section {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

section.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Loading animation for stats */
.stat-number {
    transition: all 0.5s ease;
}

.stat-number.loading {
    opacity: 0.5;
    transform: scale(0.8);
}

/* Programmer-Themed Animations */
@keyframes matrix-rain {
    0% { transform: translateY(-100%); opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { transform: translateY(100vh); opacity: 0; }
}

@keyframes code-glow {
    0%, 100% { text-shadow: 0 0 5px var(--code-blue), 0 0 10px var(--code-blue); }
    50% { text-shadow: 0 0 20px var(--code-blue), 0 0 30px var(--code-blue), 0 0 40px var(--code-blue); }
}

@keyframes terminal-cursor {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

@keyframes binary-stream {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100vw); }
}

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

@keyframes glitch {
    0%, 100% { transform: translate(0); filter: hue-rotate(0deg); }
    20% { transform: translate(-2px, 2px); filter: hue-rotate(90deg); }
    40% { transform: translate(-2px, -2px); filter: hue-rotate(180deg); }
    60% { transform: translate(2px, 2px); filter: hue-rotate(270deg); }
    80% { transform: translate(2px, -2px); filter: hue-rotate(360deg); }
}

@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 0 20px rgba(58, 134, 255, 0.5); }
    50% { box-shadow: 0 0 40px rgba(58, 134, 255, 0.8), 0 0 60px rgba(131, 56, 236, 0.6); }
}

@keyframes slide-in-code {
    from { transform: translateX(-100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

@keyframes rotate-3d {
    from { transform: perspective(1000px) rotateY(0deg); }
    to { transform: perspective(1000px) rotateY(360deg); }
}

/* Code Background Effects */
.code-bg {
    position: relative;
    overflow: hidden;
}

.code-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, 
        transparent 30%, 
        rgba(58, 134, 255, 0.1) 50%, 
        transparent 70%);
    animation: slide-in-code 3s ease-in-out infinite;
    pointer-events: none;
}

/* Enhanced Typing Animation */
.typing-container {
    position: relative;
    display: inline-block;
    min-width: 250px;
    white-space: nowrap;
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    color: var(--primary);
    line-height: 1.2;
    vertical-align: baseline;
}

.typing-container::before {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: -2px;
    height: 2px;
    background: var(--primary);
    border-radius: 1px;
    opacity: 0.3;
}

.typing-container::after {
    content: '|';
    position: absolute;
    right: -15px;
    top: 0;
    color: var(--primary);
    font-family: 'Courier New', monospace;
    animation: terminal-cursor 1s infinite;
    font-weight: bold;
    font-size: 1.1em;
}

@keyframes terminal-cursor {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

/* Code Block Styling */
.code-block {
    background: var(--code-bg);
    border-radius: 8px;
    padding: 20px;
    margin: 20px 0;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.code-block::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 30px;
    background: linear-gradient(90deg, 
        #ff5f56 0%, 
        #ffbd2e 33%, 
        #27c93f 66%);
    opacity: 0.8;
}

.code-block pre {
    color: var(--code-green);
    font-family: 'Courier New', monospace;
    font-size: 14px;
    line-height: 1.6;
    margin: 10px 0 0 0;
    white-space: pre-wrap;
    word-wrap: break-word;
}

/* Enhanced Button Effects */
.btn-code {
    position: relative;
    overflow: hidden;
    background: linear-gradient(45deg, var(--code-bg), var(--primary));
    border: 1px solid var(--code-blue);
    color: var(--code-green);
    font-family: 'Courier New', monospace;
    transition: all 0.3s ease;
}

.btn-code::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(58, 134, 255, 0.4), 
        transparent);
    transition: left 0.5s ease;
}

.btn-code:hover::before {
    left: 100%;
}

.btn-code:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(58, 134, 255, 0.4);
    animation: pulse-glow 2s ease-in-out infinite;
}

/* Terminal Section */
.terminal-section {
    margin: 20px 0;
    border-radius: 8px;
    overflow: hidden;
}

.terminal-text {
    font-family: 'Courier New', monospace;
    color: var(--code-green);
    background: var(--code-bg);
    padding: 15px;
    border-radius: 8px 8px 0 0;
    border: 1px solid var(--code-blue);
    border-bottom: none;
    position: relative;
    overflow: hidden;
    margin-bottom: 0;
}

.terminal-text::before {
    content: '$ ';
    color: var(--code-blue);
    font-weight: bold;
}

/* Console Output */
.console-output {
    background: var(--code-bg);
    padding: 15px;
    border-radius: 0 0 8px 8px;
    border: 1px solid var(--code-blue);
    border-top: none;
    font-family: 'Courier New', monospace;
    font-size: 14px;
    max-height: 200px;
    overflow-y: auto;
}

.console-line {
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.console-prompt {
    color: var(--code-blue);
    font-weight: bold;
    min-width: 20px;
}

.console-command {
    color: var(--code-green);
    flex: 1;
}

.console-success {
    color: var(--success);
    font-style: italic;
}

.console-error {
    color: var(--danger);
    font-style: italic;
}

.console-info {
    color: var(--code-purple);
    font-weight: bold;
}

.console-warning {
    color: var(--warning);
    font-style: italic;
}

/* Console Scrollbar */
.console-output::-webkit-scrollbar {
    width: 6px;
}

.console-output::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.1);
    border-radius: 3px;
}

.console-output::-webkit-scrollbar-thumb {
    background: var(--code-blue);
    border-radius: 3px;
}

.console-output::-webkit-scrollbar-thumb:hover {
    background: var(--primary);
}

/* Developer Console Widget */
.dev-console {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 400px;
    height: 300px;
    background: var(--code-bg);
    border: 1px solid var(--code-blue);
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    z-index: 1000;
    font-family: 'Courier New', monospace;
    transition: all 0.3s ease;
    resize: both;
    overflow: hidden;
}

.dev-console.minimized {
    height: 40px;
}

.console-header {
    background: linear-gradient(90deg, var(--code-blue), var(--code-purple));
    color: white;
    padding: 10px 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: move;
    user-select: none;
    touch-action: none;
}

.console-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: bold;
    font-size: 14px;
    cursor: pointer;
}

.console-toggle {
    background: none;
    border: none;
    color: white;
    cursor: pointer;
    font-size: 12px;
    padding: 4px 8px;
    border-radius: 4px;
    transition: all 0.2s ease;
    touch-action: manipulation;
}

.console-toggle:hover {
    background: rgba(255, 255, 255, 0.2);
}

.console-body {
    height: calc(100% - 40px);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.dev-console.minimized .console-body {
    display: none;
}

.console-history {
    flex: 1;
    padding: 10px;
    overflow-y: auto;
    font-size: 13px;
    line-height: 1.4;
}

.console-input-line {
    display: flex;
    align-items: center;
    padding: 10px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(0, 0, 0, 0.2);
}

.console-input {
    flex: 1;
    background: none;
    border: none;
    color: var(--code-green);
    font-family: 'Courier New', monospace;
    font-size: 13px;
    outline: none;
    margin-left: 8px;
    touch-action: manipulation;
}

.console-input::placeholder {
    color: rgba(152, 195, 121, 0.5);
}

/* Console Commands */
.console-command-help {
    color: var(--code-blue);
    margin-bottom: 5px;
}

.console-command-result {
    color: var(--code-green);
    margin-left: 10px;
    margin-bottom: 5px;
}

.console-command-error {
    color: var(--danger);
    margin-left: 10px;
    margin-bottom: 5px;
}

.console-command-info {
    color: var(--warning);
    margin-bottom: 5px;
}

/* Console Scrollbar */
.console-history::-webkit-scrollbar {
    width: 6px;
}

.console-history::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.1);
    border-radius: 3px;
}

.console-history::-webkit-scrollbar-thumb {
    background: var(--code-blue);
    border-radius: 3px;
}

.console-history::-webkit-scrollbar-thumb:hover {
    background: var(--primary);
}

/* Mobile Responsive Console */
@media (max-width: 768px) {
    .dev-console {
        width: calc(100% - 20px);
        right: 10px;
        left: 10px;
        bottom: 10px;
        height: 250px;
        max-width: 400px;
        margin: 0 auto;
    }
    
    .console-header {
        padding: 8px 12px;
    }
    
    .console-title {
        font-size: 12px;
        gap: 6px;
    }
    
    .console-toggle {
        padding: 3px 6px;
        font-size: 11px;
    }
    
    .console-history {
        padding: 8px;
        font-size: 12px;
    }
    
    .console-input-line {
        padding: 8px;
    }
    
    .console-input {
        font-size: 12px;
        margin-left: 6px;
    }
    
    .console-body {
        height: calc(100% - 36px);
    }
}

@media (max-width: 480px) {
    .dev-console {
        width: calc(100% - 10px);
        right: 5px;
        left: 5px;
        bottom: 5px;
        height: 200px;
    }
    
    .console-header {
        padding: 6px 10px;
    }
    
    .console-title {
        font-size: 11px;
        gap: 4px;
    }
    
    .console-toggle {
        padding: 2px 4px;
        font-size: 10px;
    }
    
    .console-history {
        padding: 6px;
        font-size: 11px;
    }
    
    .console-input-line {
        padding: 6px;
    }
    
    .console-input {
        font-size: 11px;
        margin-left: 4px;
    }
    
    .console-body {
        height: calc(100% - 32px);
    }
}

/* Professional Responsive Design */

/* Large Desktop - 1200px+ */
@media (min-width: 1200px) {
    .container {
        max-width: 1200px;
    }
    
    .hero-text h1 {
        font-size: 2.5rem;
    }
    
    .profile-container {
        width: 280px;
        height: 280px;
    }
    
    .profile-container img {
        width: 270px;
        height: 270px;
    }
    
    .projects-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 25px;
    }
    
    .research-content {
        grid-template-columns: 1.2fr 0.8fr;
        gap: 30px;
    }
}

/* Desktop - 992px to 1199px */
@media (max-width: 1199px) and (min-width: 992px) {
    .container {
        max-width: 960px;
    }
    
    .hero-content {
        gap: 40px;
    }
    
    .profile-container {
        width: 260px;
        height: 260px;
    }
    
    .profile-container img {
        width: 250px;
        height: 250px;
    }
    
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 22px;
    }
    
    .research-content {
        grid-template-columns: 1fr 1fr;
        gap: 25px;
    }
}

/* Small Desktop/Large Tablet - 768px to 991px */
@media (max-width: 991px) and (min-width: 768px) {
    .container {
        max-width: 720px;
    }
    
    .hero-content {
        flex-direction: column;
        text-align: center;
        gap: 30px;
    }
    
    .hero-text {
        order: 2;
    }
    
    .hero-image {
        order: 1;
    }
    
    .hero-text h1 {
        font-size: 2.2rem;
        justify-content: center;
    }
    
    .profile-container {
        width: 220px;
        height: 220px;
    }
    
    .profile-container img {
        width: 210px;
        height: 210px;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .about-stats {
        grid-template-columns: repeat(4, 1fr);
        gap: 15px;
    }
    
    .projects-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 20px;
    }
    
    .research-content {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .research-visual {
        order: -1;
    }
    
    .timeline-item {
        padding-left: 50px;
    }
    
    .timeline::before {
        left: 15px;
    }
    
    .contact-container {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

/* Tablet - 576px to 767px */
@media (max-width: 767px) and (min-width: 576px) {
    .container {
        max-width: 540px;
    }
    
    section {
        padding: 40px 0;
    }
    
    .hero {
        min-height: 60vh;
        padding-top: 70px;
    }
    
    .hero-text h1 {
        font-size: 2rem;
        text-align: center;
    }
    
    .hero-text p {
        text-align: center;
        font-size: 0.95rem;
    }
    
    .cta-buttons {
        justify-content: center;
        flex-direction: row;
        flex-wrap: wrap;
        gap: 10px;
    }
    
    .profile-container {
        width: 200px;
        height: 200px;
    }
    
    .profile-container img {
        width: 190px;
        height: 190px;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .about-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    
    .skills-container {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    
    .projects-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 18px;
    }
    
    .project-content {
        padding: 14px;
    }
    
    .project-content h3 {
        font-size: 1.1rem;
    }
    
    .research-content {
        grid-template-columns: 1fr;
        gap: 18px;
    }
    
    .research-layers {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    
    .layer-item {
        padding: 16px;
    }
    
    .achievements-grid {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    
    .timeline-item {
        padding-left: 40px;
    }
    
    .timeline::before {
        left: 10px;
    }
    
    .contact-container {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .contact-info {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .section-title {
        font-size: 1.7rem;
        text-align: center;
    }
    
    .section-subtitle {
        text-align: center;
        font-size: 0.85rem;
    }
}
/* Mobile - 575px and below */
@media (max-width: 575px) {
    .container {
        max-width: 100%;
        padding: 0 15px;
    }
    
    section {
        padding: 30px 0;
    }
    
    header {
        padding: 10px 0;
    }
    
    .hero {
        min-height: 50vh;
        padding-top: 60px;
    }
    
    .hero-text h1 {
        font-size: 1.8rem;
        text-align: center;
        line-height: 1.3;
    }
    
    .hero-text p {
        text-align: center;
        font-size: 0.9rem;
        margin-bottom: 20px;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
        gap: 12px;
    }
    
    .btn {
        width: 100%;
        max-width: 280px;
        padding: 12px 20px;
        font-size: 0.9rem;
    }
    
    .profile-container {
        width: 180px;
        height: 180px;
    }
    
    .profile-container img {
        width: 170px;
        height: 170px;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .about-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }
    
    .skills-container {
        grid-template-columns: 1fr;
        gap: 8px;
    }
    
    .skill-item {
        padding: 12px;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .project-content {
        padding: 12px;
    }
    
    .project-content h3 {
        font-size: 1rem;
    }
    
    .project-content p {
        font-size: 0.85rem;
    }
    
    .tag {
        font-size: 0.75rem;
        padding: 4px 8px;
    }
    
    .research-content {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .research-layers {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    
    .layer-item {
        padding: 14px;
    }
    
    .layer-icon {
        width: 40px;
        height: 40px;
        font-size: 1.1rem;
    }
    
    .layer-content h5 {
        font-size: 0.95rem;
    }
    
    .layer-content li {
        font-size: 0.8rem;
    }
    
    .achievements-grid {
        grid-template-columns: 1fr;
        gap: 8px;
    }
    
    .achievement-item {
        padding: 10px;
    }
    
    .timeline-item {
        padding-left: 30px;
    }
    
    .timeline::before {
        left: 5px;
    }
    
    .timeline-date {
        font-size: 0.75rem;
        padding: 4px 10px;
    }
    
    .timeline-content h3 {
        font-size: 1rem;
    }
    
    .timeline-content h4 {
        font-size: 0.9rem;
    }
    
    .timeline-content ul {
        font-size: 0.8rem;
    }
    
    .contact-container {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .contact-info {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    
    .contact-item {
        padding: 15px;
    }
    
    .contact-icon {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
    
    .contact-details h3 {
        font-size: 0.95rem;
    }
    
    .contact-details p {
        font-size: 0.85rem;
    }
    
    .section-title {
        font-size: 1.6rem;
        text-align: center;
        margin-bottom: 10px;
    }
    
    .section-subtitle {
        text-align: center;
        font-size: 0.8rem;
        margin-bottom: 25px;
    }
    
    .terminal-section {
        margin: 15px 0;
    }
    
    .terminal-text {
        font-size: 0.8rem;
        padding: 8px 12px;
    }
    
    .console-output {
        font-size: 0.75rem;
        padding: 8px 12px;
    }
    
    .dev-console {
        width: calc(100% - 20px);
        right: 10px;
        left: 10px;
        bottom: 10px;
        height: 180px;
    }
    
    .console-header {
        padding: 6px 10px;
    }
    
    .console-title {
        font-size: 10px;
    }
    
    .console-history {
        font-size: 10px;
        padding: 6px;
    }
    
    .console-input-line {
        padding: 6px;
    }
    
    .console-input {
        font-size: 10px;
    }
}

/* Ultra Small Mobile - 375px and below */
@media (max-width: 375px) {
    .container {
        padding: 0 10px;
    }
    
    .hero-text h1 {
        font-size: 1.6rem;
    }
    
    .profile-container {
        width: 160px;
        height: 160px;
    }
    
    .profile-container img {
        width: 150px;
        height: 150px;
    }
    
    .btn {
        font-size: 0.85rem;
        padding: 10px 16px;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
        gap: 8px;
    }
    
    .skill-item {
        padding: 10px;
    }
    
    .layer-item {
        padding: 12px;
    }
    
    .contact-item {
        padding: 12px;
    }
}

/* Console Mobile Optimizations */
@media (hover: none) and (pointer: coarse) {
    .console-toggle {
        min-height: 44px;
        min-width: 44px;
    }
    
    .console-input {
        min-height: 44px;
        font-size: 16px; /* Prevents zoom on iOS */
    }
    
    .console-header {
        min-height: 44px;
    }
}

/* Research & Current Projects Section */
.research {
    padding: 40px 0;
    background: linear-gradient(135deg, var(--light) 0%, var(--gray-light) 100%);
}

.research-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 20px;
}

.research-main {
    background: var(--light);
    border-radius: var(--border-radius);
    padding: 20px;
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-light);
}

.research-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 15px;
}

.research-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--light);
    font-size: 1.2rem;
    animation: pulse-glow 3s ease-in-out infinite;
}

.research-title h3 {
    font-size: 1.8rem;
    margin-bottom: 8px;
    color: var(--dark);
}

.research-status {
    display: inline-block;
    padding: 6px 12px;
    background: var(--success);
    color: var(--light);
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    animation: pulse 2s ease-in-out infinite;
}

.research-description p {
    color: var(--gray);
    line-height: 1.5;
    margin-bottom: 15px;
}

.tech-stack h4 {
    font-size: 1.1rem;
    margin-bottom: 15px;
    color: var(--dark);
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tech-tag {
    padding: 8px 16px;
    background: var(--code-bg);
    border: 1px solid var(--code-blue);
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--code-green);
    transition: all 0.3s ease;
}

.tech-tag.primary {
    background: var(--primary);
    color: var(--light);
    border-color: var(--primary);
}

.tech-tag:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(58, 134, 255, 0.3);
}

.research-features {
    margin-top: 20px;
}

.research-features h4 {
    font-size: 1.1rem;
    margin-bottom: 15px;
    color: var(--dark);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 15px;
    background: var(--gray-light);
    border-radius: 8px;
    transition: all 0.3s ease;
    opacity: 1;
    visibility: visible;
}

.feature-item:hover {
    background: var(--light);
    transform: translateX(5px);
    box-shadow: var(--shadow);
}

.feature-item i {
    color: var(--primary);
    font-size: 1.1rem;
    width: 20px;
}

.feature-item span {
    color: var(--dark);
    font-weight: 500;
}

/* Research Visual Section */
.research-visual {
    background: var(--light);
    border-radius: var(--border-radius);
    padding: 20px;
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-light);
}

.dashboard-container {
    position: relative;
}

.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.dashboard-header h4 {
    font-size: 1.2rem;
    color: var(--dark);
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--code-bg);
    border-radius: 20px;
    border: 1px solid var(--code-blue);
}

.status-indicator.online {
    border-color: var(--success);
}

.status-dot {
    width: 8px;
    height: 8px;
    background: var(--success);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

.dashboard-image {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.dashboard-image img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 8px;
}

.dashboard-overlay {
    position: absolute;
    top: 20px;
    right: 20px;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.dashboard-overlay .stat-item {
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    padding: 12px 16px;
    border-radius: 8px;
    border: 1px solid var(--primary);
    min-width: 120px;
}

.dashboard-overlay .stat-number {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 4px;
}

.dashboard-overlay .stat-label {
    font-size: 0.8rem;
    color: var(--gray);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Research Highlights */
.research-highlights {
    margin-top: 25px;
}

.research-highlights h4 {
    font-size: 1.1rem;
    margin-bottom: 20px;
    color: var(--dark);
}

.research-layers {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 15px;
}

.layer-item {
    background: var(--gray-light);
    border-radius: 8px;
    padding: 20px;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.layer-item:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    box-shadow: var(--shadow);
}

.layer-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--light);
    font-size: 1.3rem;
    margin-bottom: 15px;
}

.layer-content h5 {
    font-size: 1rem;
    margin-bottom: 10px;
    color: var(--dark);
    font-weight: 600;
}

.layer-content ul {
    list-style: none;
    padding: 0;
}

.layer-content li {
    color: var(--gray);
    margin-bottom: 8px;
    padding-left: 15px;
    position: relative;
    font-size: 0.9rem;
    line-height: 1.4;
}

.layer-content li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: bold;
}

.layer-content li strong {
    color: var(--primary);
    font-weight: 600;
}

/* Research Achievements */
.research-achievements {
    margin-top: 25px;
}

.research-achievements h4 {
    font-size: 1.1rem;
    margin-bottom: 15px;
    color: var(--dark);
}

.achievements-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.achievement-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px;
    background: var(--gray-light);
    border-radius: 6px;
    transition: all 0.3s ease;
}

.achievement-item:hover {
    background: var(--light);
    transform: translateX(5px);
}

.achievement-item i {
    color: var(--success);
    font-size: 1.1rem;
}

.achievement-item span {
    color: var(--dark);
    font-weight: 500;
    font-size: 0.9rem;
}

.research-vision {
    margin-top: 20px;
    padding: 15px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 8px;
    text-align: center;
    font-style: italic;
    color: var(--light);
    font-size: 0.95rem;
    line-height: 1.4;
}

/* Responsive Research Layers */
@media (max-width: 768px) {
    .research-layers {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    
    .layer-item {
        padding: 15px;
    }
    
    .layer-icon {
        width: 40px;
        height: 40px;
        font-size: 1.1rem;
        margin-bottom: 10px;
    }
    
    .achievements-grid {
        grid-template-columns: 1fr;
    }
}
.research-progress {
    margin-top: 30px;
}

.research-progress h4 {
    font-size: 1.1rem;
    margin-bottom: 20px;
    color: var(--dark);
}

.progress-bars {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.progress-item {
    display: flex;
    align-items: center;
    gap: 15px;
}

.progress-label {
    min-width: 140px;
    font-weight: 500;
    color: var(--dark);
}

.progress-bar {
    flex: 1;
    height: 8px;
    background: var(--gray-light);
    border-radius: 4px;
    overflow: hidden;
    position: relative;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: 4px;
    width: 0%;
    transition: width 2s ease-out;
    position: relative;
    overflow: hidden;
}

.progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(255, 255, 255, 0.3), 
        transparent);
    animation: binary-stream 2s linear infinite;
}

.progress-percentage {
    min-width: 40px;
    font-weight: 600;
    color: var(--primary);
}

/* Responsive Design */
@media (max-width: 992px) {
    .research-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .research-main,
    .research-visual {
        padding: 20px;
    }
    
    .research-header {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }
    
    .dashboard-overlay {
        position: static;
        flex-direction: row;
        justify-content: space-around;
        margin-top: 20px;
    }
    
    .dashboard-overlay .stat-item {
        min-width: auto;
        text-align: center;
    }
    
    .progress-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
}

/* Skill Bars with Animation */
.skill-bar {
    background: var(--gray-light);
    height: 6px;
    border-radius: 3px;
    overflow: hidden;
    margin-top: 6px;
    position: relative;
}

.skill-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: 4px;
    animation: hacker-typing 2s ease-out;
    position: relative;
    overflow: hidden;
}

.skill-bar-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(255, 255, 255, 0.3), 
        transparent);
    animation: binary-stream 2s linear infinite;
}

/* Enhanced Project Cards */
.project-card {
    position: relative;
    overflow: hidden;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, 
        transparent, 
        var(--code-blue), 
        var(--code-purple), 
        transparent);
    animation: binary-stream 3s linear infinite;
    z-index: 1;
}

.project-card:hover::before {
    left: 100%;
    transition: left 0.5s ease;
}

/* Loading Animation */
.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--gray-light);
    border-top: 3px solid var(--primary);
    border-radius: 50%;
    animation: rotate-3d 1s linear infinite;
}

/* Progress Bar Enhancement */
.scroll-progress {
    background: linear-gradient(90deg, 
        var(--code-blue), 
        var(--code-purple), 
        var(--primary));
    box-shadow: 0 0 10px rgba(58, 134, 255, 0.5);
}

/* Responsive Design */
@media (max-width: 992px) {
    .hero-content {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-bg {
        width: 100%;
        border-radius: 0 0 100px 100px;
    }
    
    .about-content {
        flex-direction: column;
    }
    
    .contact-container {
        flex-direction: column;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 30px;
        text-align: center;
    }
    
    .hero-text h1 {
        font-size: 2.4rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 60px;
        left: 0;
        width: 100%;
        background-color: var(--light);
        flex-direction: column;
        align-items: center;
        padding: 30px;
        gap: 25px;
        box-shadow: var(--shadow);
        transform: translateY(-100%);
        opacity: 0;
        transition: all 0.3s ease;
        z-index: 998;
        border-top: 1px solid var(--gray-light);
        max-height: calc(100vh - 60px);
        overflow-y: auto;
    }
    
    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
    }
    
    .mobile-toggle {
        display: block;
        font-size: 1.5rem;
        cursor: pointer;
        color: var(--dark);
        background: none;
        border: none;
        padding: 8px;
        border-radius: 4px;
        transition: all 0.2s ease;
        z-index: 1000;
        position: relative;
    }
    
    .mobile-toggle:hover {
        background-color: var(--gray-light);
    }
    
    .mobile-toggle i {
        transition: transform 0.3s ease;
    }
    
    .mobile-toggle:active i {
        transform: scale(0.9);
    }
}
    
    .hero-text h1 {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.6rem;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .timeline::before {
        left: 20px;
    }
    
    .timeline-item {
        padding-left: 60px;
    }
    
    .timeline-date {
        padding: 6px 15px;
        font-size: 0.8rem;
    }

@media (max-width: 576px) {
    .hero-text h1 {
        font-size: 2rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
    }
    
    .profile-container {
        width: 240px;
        height: 240px;
    }
    
    .profile-container::before {
        width: 260px;
        height: 260px;
    }
    
    .profile-container img {
        width: 230px;
        height: 230px;
    }
}