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

:root {
    --primary-bg-start: #0A0F1C;
    --primary-bg-end: #0E1628;
    --accent-orange: #FF7A00;
    --secondary-text: #B0B3B8;
    --primary-text: #FFFFFF;
    --card-bg: rgba(255, 255, 255, 0.05);
    --card-border: rgba(255, 255, 255, 0.1);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(135deg, var(--primary-bg-start) 0%, var(--primary-bg-end) 100%);
    color: var(--primary-text);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
    min-height: 100vh;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--primary-bg-start);
}

::-webkit-scrollbar-thumb {
    background: var(--accent-orange);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: #ff8c1a;
}

/* Particle Canvas */
#particleCanvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(10, 15, 28, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    border-bottom: 1px solid var(--card-border);
    transition: var(--transition);
}

.navbar.scrolled {
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-orange);
}

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

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

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

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

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--accent-orange);
    transition: var(--transition);
}

/* Hero Section */
.hero-section {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 100px 20px 50px;
    position: relative;
    z-index: 1;
}

.hero-content {
    max-width: 800px;
    animation: fadeInUp 1s ease-out;
}

.profile-image {
    width: 200px;
    height: 200px;
    margin: 0 auto 2rem;
    border-radius: 50%;
    overflow: hidden;
    border: 5px solid var(--accent-orange);
    box-shadow: 0 10px 40px rgba(255, 122, 0, 0.3);
    animation: float 3s ease-in-out infinite;
}

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

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.highlight {
    color: var(--accent-orange);
}

.typewriter-container {
    font-size: 1.5rem;
    color: var(--accent-orange);
    margin-bottom: 1.5rem;
    min-height: 2rem;
}

.typewriter {
    font-weight: 500;
}

.cursor {
    animation: blink 1s infinite;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--secondary-text);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 12px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-primary {
    background: var(--accent-orange);
    color: var(--primary-text);
    border: 2px solid var(--accent-orange);
}

.btn-primary:hover {
    background: transparent;
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(255, 122, 0, 0.3);
}

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

.btn-secondary:hover {
    background: var(--accent-orange);
    color: var(--primary-text);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(255, 122, 0, 0.3);
}

.scroll-indicator {
    position: absolute;
    bottom: 3px;
    left: 50%;
    transform: translateX(-50%);
}

.mouse {
    width: 30px;
    height: 50px;
    border: 2px solid var(--accent-orange);
    border-radius: 20px;
    position: relative;
}

.mouse::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--accent-orange);
    border-radius: 50%;
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 2s infinite;
}

/* Section Styles */
section {
    padding: 100px 20px;
    position: relative;
    z-index: 1;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 1rem;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: var(--accent-orange);
    margin: 1rem auto;
    border-radius: 2px;
}

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

/* About Section */
.about-content {
    display: grid;
    align-items: center;
    text-align: center; 
    grid-template-columns: 1fr;
    gap: 3rem;
    margin-top: 3rem;
}

.about-text p {
    color: var(--secondary-text);
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    line-height: 1.8;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.stat-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-orange);
    box-shadow: 0 10px 40px rgba(255, 122, 0, 0.2);
}

.stat-card i {
    font-size: 3rem;
    color: var(--accent-orange);
    margin-bottom: 1rem;
}

.stat-card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

.stat-card p {
    color: var(--secondary-text);
}

/* ChatBoard Section */
.chatboard-section {
    background: rgba(255, 255, 255, 0.02);
}

.chatboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.platform-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 2rem;
    transition: var(--transition);
}

.platform-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 50px rgba(255, 122, 0, 0.2);
}

.platform-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.platform-header i {
    font-size: 2rem;
    color: var(--accent-orange);
}

.platform-header h3 {
    font-size: 1.5rem;
}

.platform-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-item {
    text-align: center;
}

.stat-value {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-orange);
}

.stat-label {
    display: block;
    color: var(--secondary-text);
    font-size: 0.9rem;
}

.language-chart {
    margin-bottom: 2rem;
}

.language-item {
    margin-bottom: 1rem;
}

.language-name {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.language-bar {
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    overflow: hidden;
}

.language-progress {
    height: 100%;
    border-radius: 10px;
    transition: var(--transition);
}

.linkedin-profile {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.linkedin-profile img {
    width: 80px;
    height: 80px;
    border-radius: 50%;
}

.linkedin-info h4 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

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

.leetcode-breakdown {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.difficulty-item {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
}

.difficulty-label {
    color: var(--secondary-text);
}

.difficulty-count {
    color: var(--accent-orange);
    font-weight: 600;
}

.platform-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--accent-orange);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.platform-link:hover {
    gap: 1rem;
}

/* Pinned Projects */
.subsection-title {
    font-size: 1.8rem;
    margin-bottom: 2rem;
}

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

.pinned-repo {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 15px;
    padding: 1.5rem;
    transition: var(--transition);
}

.pinned-repo:hover {
    transform: translateY(-5px);
    border-color: var(--accent-orange);
}

.pinned-repo h4 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: var(--accent-orange);
}

.pinned-repo p {
    color: var(--secondary-text);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.repo-stats {
    display: flex;
    gap: 1rem;
    color: var(--secondary-text);
    font-size: 0.9rem;
}

.repo-stats span {
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

/* Skills Section */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.skill-category {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 2rem;
    transition: var(--transition);
}

.skill-category:hover {
    transform: translateY(-10px);
    border-color: var(--accent-orange);
    box-shadow: 0 10px 40px rgba(255, 122, 0, 0.2);
}

.category-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
    color: var(--accent-orange);
}

.category-title i {
    font-size: 1.5rem;
}

.skill-items {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.skill-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.05);
    padding: 0.8rem 1.2rem;
    border-radius: 50px;
    transition: var(--transition);
}

.skill-item:hover {
    background: var(--accent-orange);
    transform: scale(1.05);
}

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

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

.project-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    overflow: hidden;
    transition: var(--transition);
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 50px rgba(255, 122, 0, 0.2);
}

.project-image {
    position: relative;
    overflow: hidden;
    height: 250px;
}

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

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

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 15, 28, 0.9);
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: var(--transition);
}

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

.project-links {
    display: flex;
    gap: 1rem;
}

.project-link-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--accent-orange);
    color: var(--primary-text);
    display: flex;
    justify-content: center;
    align-items: center;
    text-decoration: none;
    transition: var(--transition);
}

.project-link-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 5px 20px rgba(255, 122, 0, 0.5);
}

.project-content {
    padding: 1.5rem;
}

.project-content h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.project-content p {
    color: var(--secondary-text);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag {
    background: rgba(255, 122, 0, 0.2);
    color: var(--accent-orange);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.85rem;
}

/* Contact Section */
.contact-section {
    background: rgba(255, 255, 255, 0.02);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-top: 3rem;
}

.contact-info h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.contact-info p {
    color: var(--secondary-text);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.social-links {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.social-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 10px;
    color: var(--primary-text);
    text-decoration: none;
    transition: var(--transition);
}

.social-link:hover {
    border-color: var(--accent-orange);
    transform: translateX(10px);
}

.social-link i {
    font-size: 1.5rem;
    color: var(--accent-orange);
}

.contact-form {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 2rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--secondary-text);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--card-border);
    border-radius: 10px;
    color: var(--primary-text);
    font-family: 'Poppins', sans-serif;
    transition: var(--transition);
}

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

.form-group textarea {
    resize: vertical;
}

/* Footer */
.footer {
    background: rgba(10, 15, 28, 0.95);
    padding: 2rem 0;
    text-align: center;
    border-top: 1px solid var(--card-border);
}

.footer p {
    color: var(--secondary-text);
    margin-bottom: 0.5rem;
}

.footer i {
    color: var(--accent-orange);
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--accent-orange);
    color: var(--primary-text);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: none;
    justify-content: center;
    align-items: center;
    font-size: 1.2rem;
    transition: var(--transition);
    z-index: 999;
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(255, 122, 0, 0.5);
}

.back-to-top.show {
    display: flex;
}

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

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

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

@keyframes scroll {
    0% {
        top: 10px;
        opacity: 1;
    }
    100% {
        top: 30px;
        opacity: 0;
    }
}

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: rgba(10, 15, 28, 0.98);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        padding: 2rem 0;
        gap: 1rem;
    }

    .nav-menu.active {
        left: 0;
    }

    .hamburger {
        display: flex;
    }

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

    .typewriter-container {
        font-size: 1.2rem;
    }

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

    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

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

    .hero-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.5rem;
    }

    .profile-image {
        width: 150px;
        height: 150px;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .platform-stats {
        grid-template-columns: 1fr;
    }
}