/* Modern CSS Variables */
:root {
    --primary-color: #6b46c1;
    --secondary-color: #4a5568;
    --accent-color: #805ad5;
    --background-light: #ffffff;
    --background-dark: #1a202c;
    --text-light: #2d3748;
    --text-dark: #e2e8f0;
    --transition: all 0.3s ease;
    --hover-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

/* Dark Theme Variables */
[data-theme="dark"] {
    --background-light: #1a202c;
    --background-dark: #2d3748;
    --text-light: #e2e8f0;
    --text-dark: #2d3748;
}

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

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

.progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    height: 4px;
    background: linear-gradient(to right, var(--primary-color), var(--accent-color));
    width: 0%;
    z-index: 1001;
    transition: width 0.3s ease;
}

/* Navbar Styles */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.nav-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-text {
    font-size: 1.8rem;
    font-weight: bold;
    background: linear-gradient(45deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.nav-link {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 500;
    position: relative;
    padding: 0.5rem 0;
    transition: var(--transition);
}

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

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

/* Hero Section */
.hero {
    min-height: 100vh;
    padding-top: 80px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(107, 70, 193, 0.1), rgba(128, 90, 213, 0.1));
}

#particles-js {
    position: absolute;
    width: 100%;
    height: 100%;
    z-index: 1;
}

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

.profile-card {
    background: rgba(255, 255, 255, 0.9);
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: var(--hover-shadow);
    backdrop-filter: blur(10px);
    max-width: 600px;
    margin: 0 auto;
}

.profile-img {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    margin-bottom: 1rem;
    border: 4px solid var(--primary-color);
    object-fit: cover;
}

.professional-summary {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-light);
    margin: 1.5rem 0;
    padding: 1.5rem 2rem;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 12px;
    border-left: 4px solid var(--primary-color);
    box-shadow: var(--hover-shadow);
    backdrop-filter: blur(10px);
    text-align: left;
    transition: var(--transition);
    position: relative;
    z-index: 1;
}

.professional-summary:hover {
    transform: translateY(-3px);
    background: rgba(255, 255, 255, 0.95);
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin: 1.5rem 0;
}

.social-link {
    color: var(--primary-color);
    font-size: 1.5rem;
    transition: var(--transition);
}

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

/* Button Styles */
.btn {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    border-radius: 2rem;
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: linear-gradient(45deg, var(--primary-color), var(--accent-color));
    color: white;
}

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

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

/* About Section Styles */
.about-section {
    padding: 5rem 0;
    background: linear-gradient(135deg, rgba(107, 70, 193, 0.02), rgba(128, 90, 213, 0.05));
}

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

.about-content {
    max-width: 900px;
    margin: 0 auto 4rem;
}

.about-text {
    background: white;
    padding: 2.5rem;
    border-radius: 1rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    border-left: 4px solid var(--primary-color);
}

.about-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 1.2rem;
    color: var(--text-light);
}

.about-text p:last-child {
    margin-bottom: 0;
}

.skills-subtitle {
    text-align: center;
    color: var(--primary-color);
    font-size: 1.8rem;
    margin: 3rem 0 2rem;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.skill-card {
    background: white;
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
    border-top: 3px solid var(--primary-color);
}

.skill-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.skill-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.skill-card h4 {
    color: var(--primary-color);
    margin-bottom: 0.8rem;
    font-size: 1.3rem;
}

.skill-card p {
    color: var(--secondary-color);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

.skill-tags span {
    background: rgba(107, 70, 193, 0.1);
    color: var(--primary-color);
    padding: 0.3rem 0.8rem;
    border-radius: 1rem;
    font-size: 0.85rem;
    font-weight: 500;
}

.stats-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.stat-item {
    text-align: center;
    padding: 1.5rem;
    background: white;
    border-radius: 1rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
}

.stat-item:hover {
    transform: scale(1.05);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: bold;
    background: linear-gradient(45deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    color: var(--secondary-color);
    font-size: 0.9rem;
    margin-top: 0.5rem;
}

/* Experience Section */
.experience-section {
    padding: 5rem 0;
    background: linear-gradient(135deg, rgba(107, 70, 193, 0.05), rgba(128, 90, 213, 0.05));
}

.experience-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 2rem;
}

.experience-card {
    background: white;
    border-radius: 1rem;
    padding: 2rem;
    margin: 2rem 0;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
    position: relative;
    border-left: 4px solid var(--primary-color);
}

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

.experience-header {
    margin-bottom: 1.5rem;
}

.experience-company {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.experience-company h3 {
    color: var(--primary-color);
    font-size: 1.3rem;
    margin: 0;
}

.experience-duration {
    color: var(--secondary-color);
    font-size: 0.9rem;
    font-weight: 500;
}

.experience-title {
    color: var(--text-light);
    font-size: 1.1rem;
    font-weight: 600;
}

.experience-achievements {
    list-style: none;
    padding: 0;
    margin: 0;
}

.experience-achievements li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.8rem;
    line-height: 1.6;
}

.experience-achievements li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

/* Testimonials */
.testimonials-section {
    margin: 4rem 0;
    padding: 2rem;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.testimonial-card {
    background: white;
    border-radius: 1rem;
    padding: 1.5rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    border-left: 4px solid var(--accent-color);
    transition: transform 0.3s ease;
    height: 100%;
}

.testimonial-card:hover {
    transform: translateY(-5px);
}

.testimonial-content {
    position: relative;
    padding-left: 2.5rem;
    margin-bottom: 1rem;
}

.quote-icon {
    position: absolute;
    left: 0;
    top: 0;
    font-size: 1.5rem;
    color: var(--primary-color);
    opacity: 0.3;
}

.testimonial-content p {
    position: relative;
    font-style: italic;
    margin: 0;
    line-height: 1.6;
}

.testimonial-author {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(0,0,0,0.05);
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.author-name {
    font-weight: 600;
    color: var(--primary-color);
}

.author-title {
    color: var(--secondary-color);
    font-size: 0.9rem;
}

.linkedin-recommendation {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 0.85rem;
    margin-top: 0.5rem;
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    transition: var(--transition);
}

.linkedin-recommendation:hover {
    color: var(--accent-color);
}

/* Projects Section */
.projects-section {
    padding: 5rem 0;
    background: linear-gradient(135deg, rgba(128, 90, 213, 0.05), rgba(107, 70, 193, 0.02));
}

.section-title {
    text-align: center;
    margin-bottom: 1rem;
    position: relative;
    font-size: 2.5rem;
    color: var(--text-light);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 3px;
    background: var(--primary-color);
}

.section-subtitle {
    text-align: center;
    color: var(--secondary-color);
    font-size: 1.1rem;
    margin-bottom: 3rem;
}

.projects-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.project-card {
    background: white;
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
    position: relative;
}

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

.featured-project {
    border: 2px solid var(--primary-color);
}

.project-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: linear-gradient(45deg, #ff6b6b, #ff8e53);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    font-weight: 600;
    font-size: 0.85rem;
    z-index: 10;
    box-shadow: 0 4px 10px rgba(255, 107, 107, 0.3);
}

.project-media {
    position: relative;
    width: 100%;
    height: 300px;
    overflow: hidden;
}

.project-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.project-media-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.project-card:hover .project-image {
    transform: scale(1.05);
}

.play-button {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--primary-color);
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.play-button:hover {
    transform: scale(1.1);
}

.project-content {
    padding: 2rem;
}

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

.project-content h4 {
    color: var(--secondary-color);
    margin-top: 1rem;
    margin-bottom: 0.5rem;
}

.project-tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 1rem 0;
}

.tech-tag {
    background: rgba(107, 70, 193, 0.1);
    color: var(--primary-color);
    padding: 0.3rem 0.8rem;
    border-radius: 1rem;
    font-size: 0.9rem;
}

.project-links {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
    flex-wrap: wrap;
}

.project-link {
    color: var(--primary-color);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
}

.project-link:hover {
    color: var(--accent-color);
}

/* Case Study Toggle */
.case-study-toggle {
    margin: 1.5rem 0;
}

.toggle-case-study {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: transparent;
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    padding: 0.6rem 1rem;
    border-radius: 4px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    width: fit-content;
}

.toggle-case-study:hover {
    background: rgba(107, 70, 193, 0.1);
}

.case-study-details {
    margin-top: 1.5rem;
    padding: 1.5rem;
    border-radius: 8px;
    background: rgba(107, 70, 193, 0.05);
    border-left: 3px solid var(--primary-color);
}

.case-section {
    margin-bottom: 1.5rem;
}

.case-section:last-child {
    margin-bottom: 0;
}

.case-section h4 {
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.hidden {
    display: none;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 1000;
}

.modal-content {
    position: relative;
    width: 90%;
    max-width: 800px;
    margin: 50px auto;
    background: white;
    border-radius: 1rem;
    padding: 1rem;
}

.close-modal {
    position: absolute;
    right: 1rem;
    top: 0.5rem;
    font-size: 2rem;
    cursor: pointer;
    color: var(--text-light);
    z-index: 10;
}

.video-container {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* Beyond Code Section */
.beyond-code-section {
    padding: 5rem 0;
    background: linear-gradient(135deg, rgba(128, 90, 213, 0.05), rgba(107, 70, 193, 0.02));
}

.beyond-code-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    gap: 2rem;
}

.feature-card {
    background: white;
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.full-width {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
}

.feature-media {
    position: relative;
    height: 100%;
    min-height: 300px;
    overflow: hidden;
}

.feature-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.feature-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.feature-content {
    padding: 2rem;
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.feature-content h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.feature-content p {
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 1rem;
}

.feature-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    margin-top: 1rem;
    transition: var(--transition);
}

.feature-link:hover {
    color: var(--accent-color);
    gap: 0.8rem;
}

.impact-stats {
    display: flex;
    gap: 2rem;
    margin: 1.5rem 0;
    padding: 1rem;
    background: rgba(107, 70, 193, 0.05);
    border-radius: 0.5rem;
}

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

.impact-number {
    font-size: 1.8rem;
    font-weight: bold;
    color: var(--primary-color);
}

.impact-label {
    font-size: 0.85rem;
    color: var(--secondary-color);
}

.blog-topics {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 1rem 0;
}

.topic-tag {
    background: rgba(107, 70, 193, 0.1);
    color: var(--primary-color);
    padding: 0.4rem 0.9rem;
    border-radius: 1rem;
    font-size: 0.85rem;
}

.coming-soon {
    background: rgba(255, 193, 7, 0.1);
    color: #f57c00;
    padding: 0.8rem;
    border-radius: 0.5rem;
    margin: 1rem 0;
    font-weight: 500;
}

.activities-grid {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.activity-item {
    background: white;
    padding: 1.5rem;
    border-radius: 0.8rem;
    text-align: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.activity-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.activity-item i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 0.8rem;
}

.activity-item h4 {
    color: var(--text-light);
    margin-bottom: 0.5rem;
}

.activity-item p {
    color: var(--secondary-color);
    font-size: 0.9rem;
}

/* Education Section */
.education-section {
    padding: 5rem 0;
    background: linear-gradient(135deg, rgba(107, 70, 193, 0.1), rgba(128, 90, 213, 0.1));
}

.education-item {
    background: rgba(255, 255, 255, 0.9);
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: var(--hover-shadow);
    margin: 2rem auto;
    max-width: 800px;
    transition: var(--transition);
}

.education-item:hover {
    transform: translateY(-5px);
}

/* Contact Form */
.contact-form {
    max-width: 600px;
    margin: 0 auto;
    padding: 5rem 2rem;
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.8rem;
    border: none;
    border-bottom: 2px solid var(--secondary-color);
    background: transparent;
    color: var(--text-light);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group textarea {
    min-height: 100px;
    resize: vertical;
}

.form-group label {
    position: absolute;
    left: 0;
    top: 0.8rem;
    color: var(--secondary-color);
    transition: var(--transition);
    pointer-events: none;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-bottom-color: var(--primary-color);
}

.form-group input:focus ~ label,
.form-group input:valid ~ label,
.form-group textarea:focus ~ label,
.form-group textarea:valid ~ label {
    top: -1.2rem;
    font-size: 0.8rem;
    color: var(--primary-color);
}

.submit-btn {
    background: linear-gradient(45deg, var(--primary-color), var(--accent-color));
    color: white;
    padding: 1rem 2rem;
    border: none;
    border-radius: 2rem;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 0 auto;
    font-size: 1rem;
}

.submit-btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--hover-shadow);
}

/* Footer */
.footer {
    background: var(--background-dark);
    color: var(--text-dark);
    padding: 2rem 0;
    text-align: center;
}

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

.fa-heart {
    color: #e74c3c;
    animation: heartbeat 1.5s infinite;
}

@keyframes heartbeat {
    0% { transform: scale(1); }
    50% { transform: scale(1.2); }
    100% { transform: scale(1); }
}

/* Responsive Design */
@media (max-width: 992px) {
    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .full-width {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none; /* Add mobile menu later */
    }

    .profile-card {
        margin: 0 1rem;
        padding: 1.5rem;
    }

    .section-title {
        font-size: 2rem;
    }

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

    .stats-container {
        grid-template-columns: repeat(2, 1fr);
    }

    .experience-company {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

    .experience-card {
        padding: 1.5rem;
    }

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

    .project-media {
        height: 200px;
    }

    .project-content {
        padding: 1.5rem;
    }

    .project-links {
        flex-direction: column;
    }

    .full-width {
        grid-template-columns: 1fr;
    }

    .feature-media {
        min-height: 250px;
    }

    .impact-stats {
        flex-direction: column;
        gap: 1rem;
    }

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

/* Section spacing */
section {
    padding: 5rem 0;
}

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