/* CSS Reset */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
}

ul {
    list-style: none;
}

a {
    text-decoration: none;
    color: inherit;
}

img {
    max-width: 100%;
    display: block;
}

/* CSS Custom Properties (Variables) */
:root {
    /* Colors */
    --bg-dark: #0a0a0f;
    --bg-darker: #050508;
    --accent: #1842c1;
    --accent-light: #2a5dd1;
    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --text-muted: #6a6a7a;
    
    /* Gradients */
    --gradient-main: linear-gradient(135deg, var(--bg-darker) 0%, var(--bg-dark) 50%, #0f1729 100%);
    --gradient-accent: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
    
    /* Spacing */
    --sidebar-width: 280px;
    --section-padding: 80px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.4s ease;
}

/* Light Theme */
[data-theme="light"] {
    --bg-dark: #f8f9fa;
    --bg-darker: #e9ecef;
    --text-primary: #1a1a2e;
    --text-secondary: #4a4a5a;
    --text-muted: #6a6a7a;
    --gradient-main: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 50%, #dee2e6 100%);
}

/* Base body styles */
body {
    background: var(--gradient-main);
    color: var(--text-primary);
    min-height: 100vh;
    transition: background 0.5s ease, color 0.5s ease;
}

/* Layout: Sidebar + Main Content */
body {
    min-height: 100vh;
    position: relative;
}

/* Sidebar Navigation */
.sidebar {
    position: absolute;
    top: 0;
    left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    display: flex;
    flex-direction: column;
    padding: 40px 30px;
    z-index: 100;
}

.sidebar-logo-icon {
    width: 50px;
    height: 50px;
    /* background: var(--accent); */
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    font-size: 1.5rem;
    margin-bottom: 30px;
}

.nav-links {
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex: 1;
    justify-content: center;
}

.nav-link {
    display: block;
    padding: 10px 0;
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 400;
    opacity: 0.6;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: var(--text-primary);
    opacity: 0.85;
}

.nav-link.active {
    color: var(--accent-light);
    font-size: 1.35rem;
    font-weight: 500;
    opacity: 1;
    text-shadow: 0 0 30px rgba(24, 66, 193, 0.8),
                 0 0 60px rgba(24, 66, 193, 0.4);
}

.nav-link.active::before {
    content: '';
    position: absolute;
    left: -30px;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 20px;
    background: var(--accent);
    border-radius: 0 2px 2px 0;
}

/* Main Content Area */
.main-content {
    width: 100%;
    min-height: 100vh;
    position: relative;
}

/* Scroll Snap for Section Zoom Effect */
.main-content {
    width: 100%;
    min-height: 100vh;
    scroll-snap-type: y mandatory;
    overflow-y: scroll;
    height: 100vh;
}

/* Sections - Full Viewport Height with Snap */
.section {
    min-height: 100vh;
    scroll-snap-align: start;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--section-padding) 60px;
    position: relative;
}

/* Section Content Container */
.section-content {
    max-width: 900px;
    width: 100%;
    opacity: 0.8;
    transform: scale(0.95);
    transition: all var(--transition-medium);
}

/* When section is in view (we'll use :target or JS for this) */
.section:target .section-content,
.section.active .section-content {
    opacity: 1;
    transform: scale(1);
}

/* Section Headings */
.section h2 {
    font-size: 2.5rem;
    margin-bottom: 40px;
    position: relative;
    display: inline-block;
}

/* Home Section Specifics */
.home-section {
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 50px;
    position: relative;
    z-index: 2;
}

.hero-greeting {
    font-size: 1.2rem;
    color: var(--accent-light);
    margin-bottom: 10px;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.hero-name {
    font-size: 4.5rem;
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.1;
}

.hero-typewriter {
    font-size: 2rem;
    color: var(--text-secondary);
    margin-bottom: 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
}

.cursor {
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

.hero-description {
    font-size: 1.2rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto 40px;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
}

.cta-button.primary {
    background: var(--gradient-accent);
    color: white;
}

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

.cta-button.secondary:hover {
    background: rgba(24, 66, 193, 0.1);
}

.hero-stats {
    display: flex;
    gap: 60px;
    margin-top: 30px;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-light);
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 5px;
}

.hero-decoration {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 1;
}

.decoration-circle {
    position: absolute;
    border-radius: 50%;
    background: var(--gradient-accent);
    opacity: 0.1;
    filter: blur(60px);
}

.circle-1 {
    width: 400px;
    height: 400px;
    top: -100px;
    right: -100px;
    animation: float 8s ease-in-out infinite;
}

.circle-2 {
    width: 300px;
    height: 300px;
    bottom: -50px;
    left: -50px;
    animation: float 10s ease-in-out infinite reverse;
}

.circle-3 {
    width: 200px;
    height: 200px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.05; transform: translate(-50%, -50%) scale(1); }
    50% { opacity: 0.15; transform: translate(-50%, -50%) scale(1.2); }
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-30px); }
}

.highlight {
    color: var(--accent-light);
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tagline {
    font-size: 1.3rem;
    color: var(--text-secondary);
    margin-bottom: 15px;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.intro {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 40px;
}

/* CTA Button */
.cta-button {
    display: inline-block;
    padding: 16px 40px;
    background: var(--gradient-accent);
    color: white;
    font-weight: 600;
    border-radius: 50px;
    transition: all var(--transition-fast);
    box-shadow: 0 4px 20px rgba(24, 66, 193, 0.4);
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(24, 66, 193, 0.5);
}

/* About Section */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-intro {
    margin-bottom: 40px;
}

.about-intro p {
    color: var(--text-secondary);
    margin-bottom: 15px;
    line-height: 1.8;
    font-size: 1.05rem;
}

.about-details {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.detail-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.detail-icon {
    width: 50px;
    height: 50px;
    /* background: var(--gradient-accent); */
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--accent);
    font-size: 1.2rem;
}

.detail-content h4 {
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-bottom: 5px;
}

.detail-content p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
}

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

.image-placeholder {
    width: 100%;
    max-width: 400px;
    aspect-ratio: 1;
    background: rgba(24, 66, 193, 0.05);
    border: 2px dashed rgba(24, 66, 193, 0.2);
    border-radius: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
}

.image-placeholder i {
    font-size: 4rem;
    margin-bottom: 15px;
    opacity: 0.5;
}

.image-placeholder p {
    font-size: 0.9rem;
}

/* Skills Section */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.skill-category {
    background: rgba(24, 66, 193, 0.05);
    border: 1px solid rgba(24, 66, 193, 0.1);
    border-radius: 20px;
    padding: 35px;
    transition: all var(--transition-fast);
    text-align: center;
}

.skill-category:hover {
    background: rgba(24, 66, 193, 0.1);
    border-color: rgba(24, 66, 193, 0.2);
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(24, 66, 193, 0.15);
}

.skill-icon {
    width: 70px;
    height: 70px;
    /* background: var(--gradient-accent); */
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    font-size: 1.8rem;
    color: var(--accent);
}

.skill-category h3 {
    font-size: 1.3rem;
    margin-bottom: 25px;
    color: var(--text-primary);
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
}

.skill-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    background: rgba(24, 66, 193, 0.1);
    border: 1px solid rgba(24, 66, 193, 0.2);
    border-radius: 25px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    transition: all var(--transition-fast);
}

.skill-tag:hover {
    background: rgba(24, 66, 193, 0.2);
    border-color: rgba(24, 66, 193, 0.3);
    color: var(--text-primary);
}

.skill-tag i {
    font-size: 1.2rem;
}

/* Projects Section */
.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-top: 10px;
}

.featured-project {
    margin-bottom: 60px;
}

.featured-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
    background: rgba(24, 66, 193, 0.05);
    border: 1px solid rgba(24, 66, 193, 0.15);
    border-radius: 24px;
    padding: 50px;
    position: relative;
    overflow: hidden;
}

.featured-content::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: var(--gradient-accent);
    opacity: 0.05;
    filter: blur(80px);
    border-radius: 50%;
}

.featured-text {
    position: relative;
    z-index: 1;
}

.featured-badge {
    display: inline-block;
    padding: 6px 16px;
    background: var(--gradient-accent);
    color: white;
    font-size: 0.8rem;
    font-weight: 600;
    border-radius: 20px;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.featured-text h3 {
    font-size: 2rem;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.featured-text p {
    color: var(--text-secondary);
    margin-bottom: 25px;
    line-height: 1.7;
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--accent-light);
    font-weight: 600;
    transition: all var(--transition-fast);
}

.project-link:hover {
    gap: 12px;
    color: var(--text-primary);
}

.featured-image {
    position: relative;
    z-index: 1;
}

.featured-image img {
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(24, 66, 193, 0.2);
    border: 1px solid rgba(24, 66, 193, 0.2);
    transition: transform var(--transition-medium);
}

.featured-image:hover img {
    transform: translateY(-5px);
}

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

.repo-card {
    display: block;
    border-radius: 16px;
    overflow: hidden;
    transition: all var(--transition-medium);
    border: 1px solid rgba(24, 66, 193, 0.15);
    background: rgba(5, 5, 8, 0.4);
    position: relative;
}

.repo-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-accent);
    opacity: 0;
    transition: opacity var(--transition-medium);
    z-index: 0;
}

.repo-card:hover {
    transform: translateY(-8px);
    border-color: rgba(24, 66, 193, 0.4);
    box-shadow: 0 15px 50px rgba(24, 66, 193, 0.2);
}

.repo-card:hover::before {
    opacity: 0.08;
}

.card-content {
    padding: 35px;
    position: relative;
    z-index: 1;
}

.card-icon {
    width: 60px;
    height: 60px;
    /* background: var(--gradient-accent); */
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    font-size: 1.5rem;
    color: var(--accent);
}

.card-content h4 {
    font-size: 1.4rem;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.card-content p {
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.6;
    font-size: 0.95rem;
}

.card-arrow {
    display: inline-flex;
    align-items: center;
    color: var(--accent-light);
    font-size: 0.9rem;
    transition: all var(--transition-fast);
}

.repo-card:hover .card-arrow {
    transform: translateX(5px);
    color: var(--text-primary);
}

/* Resume Section */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto 50px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 3px;
    height: 100%;
    background: var(--gradient-accent);
    border-radius: 2px;
}

.timeline-item {
    position: relative;
    width: 50%;
    padding: 20px 40px;
    margin-bottom: 40px;
}

.timeline-item.left {
    left: 0;
    text-align: right;
}

.timeline-item.right {
    left: 50%;
    text-align: left;
}

.timeline-item::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    background: var(--accent);
    border: 4px solid var(--bg-dark);
    border-radius: 50%;
    top: 25px;
    z-index: 1;
}

.timeline-item.left::after {
    right: -8px;
}

.timeline-item.right::after {
    left: -8px;
}

.timeline-content {
    background: rgba(24, 66, 193, 0.05);
    border: 1px solid rgba(24, 66, 193, 0.15);
    border-radius: 16px;
    padding: 25px;
    transition: all var(--transition-fast);
}

.timeline-content:hover {
    background: rgba(24, 66, 193, 0.1);
    border-color: rgba(24, 66, 193, 0.25);
    transform: translateY(-5px);
}

.timeline-date {
    display: inline-block;
    padding: 4px 14px;
    background: var(--gradient-accent);
    color: white;
    font-size: 0.8rem;
    font-weight: 600;
    border-radius: 20px;
    margin-bottom: 15px;
}

.timeline-content h3 {
    font-size: 1.3rem;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.timeline-company {
    color: var(--accent-light);
    font-weight: 500;
    margin-bottom: 12px;
    font-size: 0.95rem;
}

.timeline-content p {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 0.95rem;
}

.resume-actions {
    text-align: center;
}

.download-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 35px;
    background: transparent;
    border: 2px solid var(--accent);
    color: var(--accent-light);
    font-weight: 600;
    border-radius: 50px;
    transition: all var(--transition-fast);
}

.download-btn:hover {
    background: var(--accent);
    color: white;
    transform: translateY(-3px);
}

.download-btn.secondary-btn {
    background: transparent;
    color: var(--accent-light);
    margin-left: 15px;
}

.download-btn.secondary-btn:hover {
    background: var(--accent);
    color: white;
}

/* Contact Section */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

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

.info-card {
    display: flex;
    gap: 20px;
    align-items: center;
    padding: 20px;
    background: rgba(24, 66, 193, 0.05);
    border: 1px solid rgba(24, 66, 193, 0.1);
    border-radius: 16px;
    transition: all var(--transition-fast);
}

.info-card:hover {
    background: rgba(24, 66, 193, 0.1);
    border-color: rgba(24, 66, 193, 0.2);
    transform: translateX(5px);
}

.info-icon {
    width: 50px;
    height: 50px;
    /* background: var(--gradient-accent); */
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    font-size: 1.2rem;
    flex-shrink: 0;
}

.info-content h4 {
    font-size: 1rem;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.info-content p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

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

.social-icon {
    width: 45px;
    height: 45px;
    background: rgba(24, 66, 193, 0.1);
    border: 1px solid rgba(24, 66, 193, 0.2);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 1.2rem;
    transition: all var(--transition-fast);
}

.social-icon:hover {
    background: var(--gradient-accent);
    border-color: var(--accent);
    color: white;
    transform: translateY(-3px) scale(1.1);
}

.contact-form-wrapper {
    background: rgba(24, 66, 193, 0.05);
    border: 1px solid rgba(24, 66, 193, 0.1);
    border-radius: 20px;
    padding: 35px;
}

.contact-form {
    display: grid;
    gap: 20px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 16px 20px;
    background: rgba(5, 5, 8, 0.5);
    border: 1px solid rgba(24, 66, 193, 0.2);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 20px rgba(24, 66, 193, 0.2);
}

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

.submit-btn {
    padding: 16px 40px;
    background: var(--gradient-accent);
    color: white;
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: 10px;
    justify-self: start;
}

.submit-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(24, 66, 193, 0.4);
}

/* Social Links in Sidebar */
.sidebar .social-links {
    display: flex;
    gap: 20px;
    margin-top: auto;
    padding-top: 30px;
}

.social-links a {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 1.3rem;
    opacity: 0.7;
    transition: all var(--transition-fast);
}

.social-links a:hover {
    color: var(--accent-light);
    opacity: 1;
    transform: translateY(-3px) scale(1.1);
    text-shadow: 0 0 20px rgba(24, 66, 193, 0.6);
}

/* Mobile Responsive Styles */
@media screen and (max-width: 1024px) {
    :root {
        --sidebar-width: 240px;
    }
    
    .section {
        padding: var(--section-padding) 40px;
    }
    
    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media screen and (max-width: 768px) {
    :root {
        --sidebar-width: 0px;
    }
    
    /* Hide sidebar, create top nav instead */
    .sidebar {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: auto;
        flex-direction: row;
        padding: 15px 20px;
        background: rgba(5, 5, 8, 0.98);
        border-right: none;
        border-bottom: 1px solid rgba(24, 66, 193, 0.2);
        align-items: center;
    }
    
    .nav-links {
        flex-direction: row;
        gap: 5px;
        flex: 1;
        justify-content: center;
    }
    
    .nav-link {
        padding: 8px 12px;
        font-size: 0.85rem;
    }
    
    .nav-link.active::before {
        display: none;
    }
    
    .sidebar .social-links {
        display: none;
    }
    
    .sidebar-logo-icon {
        display: none;
    }
    
    /* Adjust main content */
    .main-content {
        width: 100%;
        margin-top: 70px;
        height: calc(100vh - 70px);
    }
    
    .section {
        min-height: calc(100vh - 70px);
        padding: 40px 20px;
    }
    
    /* Stack grids on mobile */
    .home-grid,
    .about-grid,
    .resume-content,
    .featured-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .home-right {
        display: none;
    }
    
    .profile-card-wrapper {
        margin-top: 20px;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-name {
        font-size: 2.8rem;
    }
    
    .hero-typewriter {
        font-size: 1.4rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .hero-stats {
        gap: 30px;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .cta-button {
        width: 100%;
        text-align: center;
    }
    
    .featured-content {
        padding: 30px;
    }
    
    .featured-text h3 {
        font-size: 1.5rem;
    }
    
    .section h2 {
        font-size: 2rem;
    }
    
    /* Timeline mobile */
    .timeline::before {
        left: 20px;
    }
    
    .timeline-item {
        width: 100%;
        padding-left: 50px;
        padding-right: 20px;
        text-align: left;
    }
    
    .timeline-item.left,
    .timeline-item.right {
        left: 0;
        text-align: left;
    }
    
    .timeline-item::after {
        left: 12px;
    }
    
    .timeline-item.left::after {
        right: auto;
        left: 12px;
    }
    
    /* Contact grid mobile */
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .about-image {
        order: -1;
    }
    
    .theme-toggle {
        width: 40px;
        height: 40px;
        font-size: 1rem;
        top: 80px;
    }
    
    .github-stats-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .profile-photo {
        max-width: 280px;
    }
    
    .github-number {
        font-size: 2rem;
    }
    
    .github-graph {
        padding: 15px;
    }
    
    .toast-container {
        left: 20px;
        right: 20px;
        bottom: 20px;
    }
    
    .toast {
        transform: translateY(150%);
    }
    
    .toast.show {
        transform: translateY(0);
    }
    
    .resume-actions {
        display: flex;
        flex-direction: column;
        gap: 15px;
    }
    
    .download-btn.secondary-btn {
        margin-left: 0;
    }
}

/* ============================================
   NEW FEATURES CSS
   ============================================ */

/* Light Theme Variables */
[data-theme="light"] {
    --bg-dark: #f8f9fa;
    --bg-darker: #e9ecef;
    --text-primary: #1a1a2e;
    --text-secondary: #4a4a5a;
    --text-muted: #6a6a7a;
    --gradient-main: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 50%, #dee2e6 100%);
}

[data-theme="light"] body {
    background: var(--gradient-main);
    color: var(--text-primary);
}

[data-theme="light"] .sidebar {
    background: rgba(255, 255, 255, 0.9);
}

[data-theme="light"] .form-group input,
[data-theme="light"] .form-group textarea {
    background: rgba(255, 255, 255, 0.8);
    color: var(--text-primary);
    border-color: rgba(24, 66, 193, 0.2);
}

[data-theme="light"] .repo-card {
    background: rgba(255, 255, 255, 0.6);
}

/* Scroll Progress Bar */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    z-index: 1000;
    background: rgba(24, 66, 193, 0.1);
}

.scroll-progress-bar {
    height: 100%;
    background: var(--gradient-accent);
    width: 0%;
    transition: width 0.1s ease;
    box-shadow: 0 0 10px rgba(24, 66, 193, 0.5);
}

/* Theme Toggle */
.theme-toggle {
    position: fixed;
    top: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--gradient-accent);
    border: none;
    color: white;
    cursor: pointer;
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: all var(--transition-fast);
    box-shadow: 0 4px 15px rgba(24, 66, 193, 0.4);
}

.theme-toggle:hover {
    transform: scale(1.1) rotate(15deg);
    box-shadow: 0 6px 20px rgba(24, 66, 193, 0.5);
}

.theme-toggle .fa-sun {
    display: none;
}

[data-theme="light"] .theme-toggle .fa-moon {
    display: none;
}

[data-theme="light"] .theme-toggle .fa-sun {
    display: block;
}

/* Particles Canvas */
.particles-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

/* Profile Photo */
.profile-photo-container {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.profile-photo-glow {
    position: absolute;
    width: 100%;
    max-width: 400px;
    aspect-ratio: 1;
    background: var(--gradient-accent);
    border-radius: 20px;
    filter: blur(40px);
    opacity: 0.3;
    animation: glow-pulse 3s ease-in-out infinite;
}

@keyframes glow-pulse {
    0%, 100% { opacity: 0.2; transform: scale(0.95); }
    50% { opacity: 0.4; transform: scale(1.05); }
}

.profile-photo {
    width: 100%;
    max-width: 400px;
    aspect-ratio: 1;
    object-fit: cover;
    border-radius: 20px;
    position: relative;
    z-index: 1;
    border: 3px solid rgba(24, 66, 193, 0.3);
    transition: all var(--transition-medium);
}

.profile-photo:hover {
    transform: translateY(-10px) scale(1.02);
    border-color: var(--accent);
    box-shadow: 0 20px 60px rgba(24, 66, 193, 0.3);
}

/* Skill Progress Bars */
.skill-bars {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-top: 20px;
}

.skill-bar {
    width: 100%;
}

.skill-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.skill-info i {
    margin-right: 8px;
    font-size: 1.1rem;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: rgba(24, 66, 193, 0.1);
    border-radius: 10px;
    overflow: hidden;
    position: relative;
}

.progress {
    height: 100%;
    background: var(--gradient-accent);
    border-radius: 10px;
    width: 0%;
    transition: width 1.5s ease-out;
    position: relative;
}

.progress::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: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* GitHub Stats Section */
.github-section {
    text-align: center;
}

.github-stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 40px;
}

.github-card {
    background: rgba(24, 66, 193, 0.05);
    border: 1px solid rgba(24, 66, 193, 0.15);
    border-radius: 20px;
    padding: 30px;
    transition: all var(--transition-fast);
}

.github-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent);
    box-shadow: 0 15px 40px rgba(24, 66, 193, 0.2);
}

.github-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.github-stat i {
    font-size: 2rem;
    color: var(--accent);
}

.github-number {
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.github-graph {
    background: rgba(24, 66, 193, 0.05);
    border: 1px solid rgba(24, 66, 193, 0.15);
    border-radius: 16px;
    padding: 25px;
    overflow: hidden;
}

.contribution-graph {
    width: 100%;
    max-width: 800px;
    border-radius: 8px;
}

/* 3D Tilt Card Effect */
.repo-card[data-tilt] {
    transform-style: preserve-3d;
    perspective: 1000px;
}

.repo-card[data-tilt] .card-content {
    transform-style: preserve-3d;
    transition: transform 0.1s ease-out;
}

/* Project Tags */
.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 10px;
    margin-bottom: 15px;
}

.project-tag {
    padding: 4px 12px;
    background: rgba(24, 66, 193, 0.15);
    border: 1px solid rgba(24, 66, 193, 0.25);
    border-radius: 20px;
    font-size: 0.75rem;
    color: var(--accent-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 10000;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toast {
    background: var(--gradient-accent);
    color: white;
    padding: 16px 24px;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(24, 66, 193, 0.4);
    display: flex;
    align-items: center;
    gap: 12px;
    transform: translateX(150%);
    transition: transform 0.4s ease;
    font-weight: 500;
}

.toast.show {
    transform: translateX(0);
}

.toast i {
    font-size: 1.2rem;
}

/* Scroll Reveal Animations */
.section {
    opacity: 1;
}

.section-content {
    opacity: 0.8;
    transform: scale(0.95);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.section.revealed .section-content {
    opacity: 1;
    transform: scale(1);
}

.reveal-up {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.section.revealed .reveal-up {
    opacity: 1;
    transform: translateY(0);
}

.reveal-up:nth-child(1) { transition-delay: 0.1s; }
.reveal-up:nth-child(2) { transition-delay: 0.2s; }
.reveal-up:nth-child(3) { transition-delay: 0.3s; }
.reveal-up:nth-child(4) { transition-delay: 0.4s; }

/* Form Status */
.form-status {
    margin-top: 15px;
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 0.9rem;
    display: none;
}

.form-status.success {
    display: block;
    background: rgba(40, 167, 69, 0.1);
    border: 1px solid rgba(40, 167, 69, 0.3);
    color: #28a745;
}

.form-status.error {
    display: block;
    background: rgba(220, 53, 69, 0.1);
    border: 1px solid rgba(220, 53, 69, 0.3);
    color: #dc3545;
}

/* GitHub Section Responsive */
@media screen and (max-width: 1024px) {
    .github-stats-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}