:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --secondary: #10b981;
    --dark: #1e293b;
    --light: #f8fafc;
    --gray: #64748b;
    --gray-light: #e2e8f0;
    --transition: all 0.3s ease;
    --shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --radius: 10px;
}

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

html {
    scroll-behavior: smooth;
}

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

h1, h2, h3, h4 {
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header & Navigation */
header {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo {
    display: flex;
    flex-direction: column;
}

.logo-text {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary);
}

.logo-subtitle {
    font-size: 0.8rem;
    color: var(--gray);
    margin-top: -5px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-links a {
    text-decoration: none;
    color: var(--dark);
    font-weight: 500;
    transition: var(--transition);
    padding: 5px 0;
    position: relative;
}

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

.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--primary);
}

.mobile-menu-btn {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    padding: 150px 0 100px;
    background: linear-gradient(135deg, #f0f4ff 0%, #e6f7ff 100%);
}

.hero-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 50px;
}

.hero-text {
    flex: 1;
}

.greeting {
    font-size: 1.2rem;
    color: var(--primary);
    margin-bottom: 10px;
}

.hero-name {
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: 10px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-title {
    font-size: 1.8rem;
    color: var(--dark);
    margin-bottom: 20px;
    font-weight: 500;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--gray);
    margin-bottom: 30px;
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: 15px;
}

.btn {
    padding: 12px 30px;
    border-radius: var(--radius);
    font-weight: 500;
    text-decoration: none;
    transition: var(--transition);
    display: inline-block;
    border: none;
    cursor: pointer;
    font-family: 'Poppins', sans-serif;
}

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

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

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

.btn-secondary:hover {
    background-color: rgba(99, 102, 241, 0.1);
    transform: translateY(-3px);
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
}

.image-placeholder {
    width: 350px;
    height: 350px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    box-shadow: var(--shadow);
}

.avatar {
    font-size: 12rem;
    color: white;
    opacity: 0.9;
}

.tech-icons {
    position: absolute;
    width: 100%;
    height: 100%;
}

.tech-icon {
    position: absolute;
    width: 60px;
    height: 60px;
    background-color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow);
    font-size: 1.5rem;
    color: var(--primary);
}

.tech-icon:nth-child(1) {
    top: 10%;
    left: 10%;
}

.tech-icon:nth-child(2) {
    top: 10%;
    right: 10%;
}

.tech-icon:nth-child(3) {
    bottom: 10%;
    left: 10%;
}

.tech-icon:nth-child(4) {
    bottom: 10%;
    right: 10%;
}

/* Section Styles */
section {
    padding: 80px 0;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 20px;
    color: var(--dark);
}

.section-subtitle {
    text-align: center;
    color: var(--gray);
    max-width: 600px;
    margin: 0 auto 50px;
}

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

.about-text {
    flex: 1;
}

.about-text p {
    margin-bottom: 20px;
    color: var(--gray);
    font-size: 1.1rem;
}

.about-stats {
    display: flex;
    justify-content: space-between;
    margin-top: 30px;
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary);
    line-height: 1;
}

.stat-text {
    color: var(--gray);
    margin-top: 5px;
}

.about-image {
    flex: 1;
}

.about-card {
    background-color: white;
    border-radius: var(--radius);
    padding: 30px;
    box-shadow: var(--shadow);
}

.about-card h3 {
    margin-bottom: 20px;
    color: var(--dark);
}

.about-card ul {
    list-style: none;
}

.about-card li {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
}

.about-card li i {
    color: var(--secondary);
    margin-right: 10px;
}

/* Projects Section */
.projects {
    background-color: #f8fafc;
}

.filter-buttons {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 40px;
}

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

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

/* Projects Carousel */
.projects-carousel {
    position: relative;
    overflow: hidden;
}

.carousel-container {
    overflow: hidden;
    margin-bottom: 30px;
}

.carousel-track {
    display: flex;
    transition: transform 0.5s ease;
    gap: 30px;
}

.project-card {
    min-width: 350px;
    background-color: white;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.project-image {
    height: 200px;
    background-color: var(--gray-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: white;
}

.ai-bg {
    background: linear-gradient(135deg, #8b5cf6 0%, #6366f1 100%);
}

.web-bg {
    background: linear-gradient(135deg, #3b82f6 0%, #06b6d4 100%);
}

.mobile-bg {
    background: linear-gradient(135deg, #10b981 0%, #3b82f6 100%);
}

.design-bg {
    background: linear-gradient(135deg, #f59e0b 0%, #ef4444 100%);
}

.project-content {
    padding: 25px;
}

.project-tag {
    display: inline-block;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    margin-bottom: 15px;
    color: white;
}

.ai-tag {
    background-color: #8b5cf6;
}

.web-tag {
    background-color: #3b82f6;
}

.mobile-tag {
    background-color: #10b981;
}

.design-tag {
    background-color: #f59e0b;
}

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

.project-content p {
    color: var(--gray);
    margin-bottom: 20px;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 20px;
}

.tech-tag {
    padding: 5px 10px;
    background-color: var(--gray-light);
    border-radius: 5px;
    font-size: 0.8rem;
    color: var(--dark);
}

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

.project-link:hover {
    gap: 10px;
}

.carousel-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 30px;
}

.carousel-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: white;
    border: 2px solid var(--gray-light);
    color: var(--dark);
    font-size: 1.2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.carousel-btn:hover {
    background-color: var(--primary);
    color: white;
    border-color: var(--primary);
}

.carousel-dots {
    display: flex;
    gap: 10px;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: var(--gray-light);
    cursor: pointer;
    transition: var(--transition);
}

.dot.active {
    background-color: var(--primary);
}

/* Skills Section */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.skill-category {
    background-color: white;
    border-radius: var(--radius);
    padding: 30px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.skill-category:hover {
    transform: translateY(-5px);
}

.skill-category h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
    color: var(--dark);
}

.skill-category h3 i {
    color: var(--primary);
}

.skill-category ul {
    list-style: none;
}

.skill-category li {
    margin-bottom: 12px;
    padding-left: 20px;
    position: relative;
}

.skill-category li::before {
    content: '▹';
    position: absolute;
    left: 0;
    color: var(--primary);
}

/* Contact Section */
.contact-content {
    display: flex;
    gap: 50px;
}

.contact-info {
    flex: 1;
}

.contact-info h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: var(--dark);
}

.contact-info p {
    color: var(--gray);
    margin-bottom: 30px;
}

.contact-details {
    margin-bottom: 30px;
}

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

.contact-item i {
    width: 50px;
    height: 50px;
    background-color: rgba(99, 102, 241, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 1.2rem;
}

.contact-item h4 {
    margin-bottom: 5px;
    color: var(--dark);
}

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

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

.social-links a {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background-color: rgba(99, 102, 241, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 1.2rem;
    transition: var(--transition);
    text-decoration: none;
}

.social-links a:hover {
    background-color: var(--primary);
    color: white;
    transform: translateY(-3px);
}

.contact-form {
    flex: 1;
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid var(--gray-light);
    border-radius: var(--radius);
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    transition: var(--transition);
}

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

/* Footer */
footer {
    background-color: var(--dark);
    color: white;
    padding: 40px 0;
}

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

.footer-logo {
    display: flex;
    flex-direction: column;
}

.footer-logo .logo-text {
    font-size: 1.5rem;
    color: white;
}

.footer-logo p {
    color: var(--gray-light);
    margin-top: 5px;
}

.copyright {
    color: var(--gray-light);
}

.back-to-top {
    width: 50px;
    height: 50px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: var(--transition);
}

.back-to-top:hover {
    background-color: var(--primary);
}

/* Responsive Design */
@media (max-width: 992px) {
    .hero-content {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-description {
        max-width: 100%;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .about-content {
        flex-direction: column;
    }
    
    .contact-content {
        flex-direction: column;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: white;
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
        gap: 15px;
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero-name {
        font-size: 2.8rem;
    }
    
    .hero-title {
        font-size: 1.5rem;
    }
    
    .image-placeholder {
        width: 280px;
        height: 280px;
    }
    
    .avatar {
        font-size: 10rem;
    }
    
    .tech-icon {
        width: 50px;
        height: 50px;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .about-stats {
        flex-direction: column;
        gap: 20px;
    }
    
    .project-card {
        min-width: 300px;
    }
    
    .carousel-controls {
        gap: 15px;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-name {
        font-size: 2.2rem;
    }
    
    .hero-title {
        font-size: 1.3rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .filter-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .project-card {
        min-width: 280px;
    }
}






/* WhatsApp Chatbot Styles */
.whatsapp-chatbot {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 1000;
}

.chat-toggle-btn {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 1.8rem;
    cursor: pointer;
    box-shadow: 0 5px 15px rgba(37, 211, 102, 0.3);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    position: absolute;
    bottom: 0;
    right: 0;
}

.chat-toggle-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 20px rgba(37, 211, 102, 0.4);
}

.chatbot-container {
    position: absolute;
    bottom: 70px;
    right: 0;
    width: 350px;
    background: white;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    overflow: hidden;
    display: none;
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from {
        transform: translateY(20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* WhatsApp Chatbot Styles */
.whatsapp-chatbot {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 1000;
}

.chat-toggle-btn {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 1.8rem;
    cursor: pointer;
    box-shadow: 0 5px 15px rgba(37, 211, 102, 0.3);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    position: absolute;
    bottom: 0;
    right: 0;
}

.chat-toggle-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 20px rgba(37, 211, 102, 0.4);
}

.chatbot-container {
    position: absolute;
    bottom: 70px;
    right: 0;
    width: 350px;
    background: white;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    overflow: hidden;
    display: none;
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from {
        transform: translateY(20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.chatbot-container.open {
    display: block;
}

.chatbot-header {
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
    color: white;
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.chatbot-avatar {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
}

.chatbot-info {
    flex: 1;
}

.chatbot-info h3 {
    margin: 0;
    font-size: 1.2rem;
}

.chatbot-info p {
    margin: 5px 0 0;
    opacity: 0.9;
    font-size: 0.9rem;
}

.chatbot-close {
    background: none;
    border: none;
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
    opacity: 0.8;
    transition: opacity 0.2s;
}

.chatbot-close:hover {
    opacity: 1;
}

.chatbot-messages {
    height: 300px;
    overflow-y: auto;
    padding: 20px;
    background: #f0f2f5;
}

.chat-message {
    margin-bottom: 15px;
    display: flex;
}

.bot-message {
    justify-content: flex-start;
}

.user-message {
    justify-content: flex-end;
}

.message-content {
    max-width: 80%;
    padding: 12px 15px;
    border-radius: 18px;
    position: relative;
    animation: messageAppear 0.3s ease;
}

@keyframes messageAppear {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.bot-message .message-content {
    background: white;
    border-top-left-radius: 5px;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.user-message .message-content {
    background: #d9fdd3;
    border-top-right-radius: 5px;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.message-content p {
    margin: 0;
    line-height: 1.4;
}

.message-time {
    font-size: 0.7rem;
    color: #999;
    text-align: right;
    margin-top: 5px;
}

.chatbot-input {
    display: flex;
    padding: 15px;
    border-top: 1px solid #e0e0e0;
    background: white;
}

.chatbot-input input {
    flex: 1;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 25px;
    font-family: 'Inter', sans-serif;
    font-size: 0.95rem;
    outline: none;
    transition: border-color 0.3s;
}

.chatbot-input input:focus {
    border-color: #25D366;
}

.chatbot-input button {
    width: 45px;
    height: 45px;
    background: #25D366;
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
    margin-left: 10px;
    transition: background 0.3s;
}

.chatbot-input button:hover {
    background: #128C7E;
}

.chatbot-suggestions {
    padding: 0 15px 15px;
    background: white;
}

.suggestion-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.suggestion-tag {
    background: #f0f2f5;
    border: none;
    border-radius: 15px;
    padding: 8px 15px;
    font-size: 0.9rem;
    color: #333;
    cursor: pointer;
    transition: all 0.2s;
    font-family: 'Inter', sans-serif;
}

.suggestion-tag:hover {
    background: #e0e0e0;
    transform: translateY(-1px);
}

.chatbot-footer {
    padding: 10px 15px;
    background: #f9f9f9;
    text-align: center;
    font-size: 0.8rem;
    color: #666;
    border-top: 1px solid #eee;
}

.whatsapp-button-container {
    padding: 15px;
    background: white;
    border-top: 1px solid #eee;
}

.whatsapp-button-container .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: 12px;
    background: #25D366;
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.3s;
}

.whatsapp-button-container .btn:hover {
    background: #128C7E;
    transform: translateY(-2px);
}