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

html {
    scroll-behavior: smooth;
    scrollbar-width: none;
    -ms-overflow-style: none; 
}

html::-webkit-scrollbar {
    width: 0px; 
    background: transparent;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: whitesmoke;
    overflow-x: hidden;
    scrollbar-width: none; 
    -ms-overflow-style: none; 
}

body::-webkit-scrollbar {
    width: 0px;
    background: transparent;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    transition: all 0.3s ease;
}

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

.nav-logo h3 {
    color: #2563eb;
    font-weight: 700;
    font-size: 1.5rem;
}

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

.nav-link {
    text-decoration: none;
    display: inline-block;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: #2563eb;
    transition: width 0.3s ease;
}

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

.nav-link:hover,
.nav-link.active {
    color: #2563eb;
}

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

.bar {
    width: 25px;
    height: 3px;
    background-color: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(145deg, #0f172a, #1b335a);
    color: white;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-size: cover;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 1rem;
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: #e5e7eb;
}

.hero-description {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 2rem;
    color: #d1d5db;
}

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

.btn {
    padding: 12px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: #fbbf24;
    color: #1f2937;
}

.btn-primary:hover {
    background: #f59e0b;
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(251, 191, 36, 0.3);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.btn-secondary:hover {
    background: white;
    color: #1f2937;
    transform: translateY(-2px);
}

.btn-small {
    padding: 8px 20px;
    font-size: 0.9rem;
}

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

.image-wrapper {
    position: relative;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    overflow: hidden;
    border: 4px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

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

.image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
}

.hero-scroll {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
}

.scroll-link {
    color: white;
    font-size: 1.5rem;
    animation: bounce 2s infinite;
    text-decoration: none;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

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

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: #1f2937;
    margin-bottom: 1rem;
}

.section-line {
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, #2563eb, #3847cf);
    margin: 0 auto 1rem;
    border-radius: 2px;
}

.section-description {
    font-size: 1.1rem;
    color: #6b7280;
    max-width: 600px;
    margin: 0 auto;
}

/* About Section */
.about {
    background-color: #f9fafb;
}

.about-content {
    display: grid;
    gap: 4rem;
}

.about-intro {
    font-size: 1.2rem;
    color: #4b5563;
    margin-bottom: 2rem;
    text-align: center;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.about-highlights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.highlight-item {
    display: flex;
    gap: 1rem;
    padding: 1.5rem;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(20px);
}

.highlight-item.animate {
    opacity: 1;
    transform: translateY(0);
}

.highlight-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.highlight-item i {
    font-size: 2rem;
    color: #2563eb;
    flex-shrink: 0;
}

.highlight-item h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #1f2937;
}

.highlight-item p {
    color: #6b7280;
    line-height: 1.6;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
    text-align: center;
}

.stat-item {
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.3s ease;
}

.stat-item.animate {
    opacity: 1;
    transform: scale(1);
}

.stat-item h3 {
    font-size: 2.5rem;
    font-weight: 800;
    color: #2563eb;
    margin-bottom: 0.5rem;
}

.stat-item p {
    color: #6b7280;
    font-weight: 500;
}

/* Skills Section */
.skills-content {
    display: grid;
    gap: 3rem;
}

.skills-category {
    margin-bottom: 3rem;
    padding: 2.5rem;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(248, 250, 252, 0.95));
    border-radius: 20px;
    border: 1px solid rgba(226, 232, 240, 0.8);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    backdrop-filter: blur(10px);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
    opacity: 0;
    transform: translateY(30px);
}

.skills-category.animate {
    opacity: 1;
    transform: translateY(0);
}

.skills-category::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #667eea, #764ba2);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s ease;
}

.skills-category:hover::before {
    transform: scaleX(1);
}

.skills-category:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
    border-color: rgba(102, 126, 234, 0.3);
}

.skills-category h3 {
    font-size: 1.6rem;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 2rem;
    position: relative;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.skill-showcase {
    display: grid;
    gap: 2rem;
}

.skill-highlight {
    display: flex;
    gap: 1.5rem;
    padding: 2rem;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.05), rgba(59, 130, 246, 0.05));
    border-radius: 16px;
    border: 1px solid rgba(37, 99, 235, 0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    opacity: 0;
    transform: translateX(-30px);
}

.skill-highlight.animate {
    opacity: 1;
    transform: translateX(0);
}

.skill-highlight::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #2563eb, #3b82f6);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.skill-highlight:hover::before {
    transform: scaleX(1);
}

.skill-highlight:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(37, 99, 235, 0.15);
    border-color: rgba(37, 99, 235, 0.2);
}

.skill-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #2563eb, #3b82f6);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    flex-shrink: 0;
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.3);
}

.skill-details h4 {
    font-size: 1.4rem;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 0.75rem;
}

.skill-details p {
    color: #6b7280;
    line-height: 1.6;
    margin-bottom: 1rem;
    font-size: 1rem;
}

.skill-applications {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.skill-applications span {
    background: rgba(37, 99, 235, 0.1);
    color: #2563eb;
    padding: 0.3rem 0.75rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    border: 1px solid rgba(37, 99, 235, 0.2);
}

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

.skill-tag {
    display: inline-flex;
    align-items: center;
    padding: 0.75rem 1.5rem;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(59, 130, 246, 0.05));
    border: 2px solid rgba(37, 99, 235, 0.15);
    border-radius: 25px;
    color: #1e40af;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    cursor: pointer;
    white-space: nowrap;
    opacity: 0;
    transform: scale(0.8);
}

.skill-tag.animate {
    opacity: 1;
    transform: scale(1);
}

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

.skill-tag:hover::before {
    left: 100%;
}

.skill-tag:hover {
    transform: translateY(-4px) scale(1.05);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
    border-color: rgba(37, 99, 235, 0.4);
}

/* Education Section */
.education {
    background-color: #f9fafb;
}

.timeline {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 30px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, #2563eb, #3b82f6);
    opacity: 0;
    animation: drawTimeline 1s ease 0.5s forwards;
}

@keyframes drawTimeline {
    to {
        opacity: 1;
    }
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
    padding-left: 80px;
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.6s ease;
}

.timeline-item.animate {
    opacity: 1;
    transform: translateX(0);
}

.timeline-dot {
    position: absolute;
    left: 20px;
    top: 0;
    width: 20px;
    height: 20px;
    background: #2563eb;
    border-radius: 50%;
    border: 4px solid white;
    box-shadow: 0 0 0 4px #e5e7eb, 0 4px 15px rgba(37, 99, 235, 0.3);
    opacity: 0;
    transform: scale(0);
    animation: popDot 0.4s ease forwards;
    z-index: 2;
}

.timeline-item.animate .timeline-dot {
    animation: popDot 0.4s ease 0.3s forwards;
}

@keyframes popDot {
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.timeline-content {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    position: relative;
    border-left: 4px solid transparent;
}

.timeline-item.animate .timeline-content {
    border-left-color: #2563eb;
}

.timeline-content:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.timeline-date {
    color: #2563eb;
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    display: inline-block;
    background: rgba(37, 99, 235, 0.1);
    padding: 0.25rem 0.75rem;
    border-radius: 15px;
}

.timeline-content h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 0.5rem;
}

.timeline-content h4 {
    color: #6b7280;
    font-weight: 500;
    margin-bottom: 1rem;
}

.timeline-content p {
    color: #4b5563;
    line-height: 1.6;
    margin-bottom: 0.5rem;
}

/* Projects Section */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.project-card {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: all 0.4s ease;
    position: relative;
    border: 1px solid rgba(0, 0, 0, 0.05);
    opacity: 0;
    transform: translateY(30px);
}

.project-card.animate {
    opacity: 1;
    transform: translateY(0);
}

.project-card.featured {
    border: 2px solid #2563eb;
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.15);
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
}

.project-card.featured:hover {
    box-shadow: 0 25px 50px rgba(37, 99, 235, 0.25);
}

.project-image {
        background: linear-gradient(145deg, #0f172a, #1b335a);
    /* background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); */
    padding: 2rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.project-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(255, 255, 255, 0.1), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.project-card:hover .project-image::before {
    opacity: 1;
}

.project-image i {
    font-size: 3rem;
    color: white;
    transition: transform 0.3s ease;
}

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

.project-content {
    padding: 2rem;
}

.project-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: linear-gradient(135deg, #2563eb, #3b82f6);
    color: white;
    padding: 0.3rem 0.75rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 600;
    z-index: 2;
}

.project-content h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 1rem;
}

.project-description {
    color: #4b5563;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.project-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: #4b5563;
}

.feature-item i {
    color: #2563eb;
    font-size: 0.85rem;
    width: 16px;
    flex-shrink: 0;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.project-tech span {
    background: #f3f4f6;
    color: #374151;
    padding: 0.25rem 0.75rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
}

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

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

.certification-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    text-align: center;
    transition: all 0.3s ease;
    opacity: 0;
    transform: scale(0.9);
}

.certification-card.animate {
    opacity: 1;
    transform: scale(1);
}

.certification-card:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.cert-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #2563eb, #3b82f6);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    transition: transform 0.3s ease;
}

.certification-card:hover .cert-icon {
    transform: scale(1.1);
}

.cert-icon i {
    font-size: 2rem;
    color: white;
}

.certification-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 0.5rem;
}

.certification-card p {
    color: #6b7280;
    margin-bottom: 1rem;
}

.cert-link {
    
    /* color: #2563eb; */
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.cert-link:hover {
    color: #1d4ed8;
    text-decoration: underline;
}

.cert-status {
    background: #fef3c7;
    color: #92400e;
    padding: 0.25rem 0.75rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 600;
}

/* Contact Section */
.contact {
        background: linear-gradient(145deg, #0f172a, #1b335a);
    /* background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); */
    color: white;
}

.contact .section-title,
.contact .section-description {
    color: white;
}

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

.contact-info {
    display: grid;
    gap: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateX(-30px);
}

.contact-item.animate {
    opacity: 1;
    transform: translateX(0);
}

.contact-item:hover {
    transform: translateX(10px);
    background: rgba(255, 255, 255, 0.15);
}

.contact-item i {
    font-size: 1.5rem;
    color: #fbbf24;
    width: 30px;
    flex-shrink: 0;
}

.contact-item h4 {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.contact-item p,
.contact-item a {
    color: #d1d5db;
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-item a:hover {
    color: #fbbf24;
}

.contact-form {
    background: rgba(255, 255, 255, 0.1);
    padding: 2rem;
    border-radius: 12px;
    backdrop-filter: blur(10px);
    opacity: 0;
    transform: translateX(30px);
    transition: all 0.6s ease;
}

.contact-form.animate {
    opacity: 1;
    transform: translateX(0);
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    font-size: 1rem;
    transition: all 0.3s ease;
    font-family: inherit;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #fbbf24;
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 0 0 3px rgba(251, 191, 36, 0.1);
}

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

/* Footer */
.footer {
    background-color: #1f2937;
    color: white;
    padding: 2rem 0;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-left h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.footer-left p {
    color: #9ca3af;
}

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

.social-links a {
    width: 40px;
    height: 40px;
    background: #374151;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: #2563eb;
    transform: translateY(-2px);
}

.footer-bottom {
    text-align: center;
    padding-top: 1rem;
    border-top: 1px solid #374151;
    color: #9ca3af;
}

/* Scroll to Top Button */
.scroll-to-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    background: #2563eb;
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.2rem;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
}

.scroll-to-top.show {
    opacity: 1;
    visibility: visible;
}

.scroll-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.4);
}

/* Notification Styles */
.notification {
    position: fixed;
    top: 100px;
    right: 20px;
    background: #10b981;
    color: white;
    padding: 1rem 1.5rem;
    border-radius: 12px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    z-index: 1000;
    transform: translateX(400px);
    transition: all 0.4s ease;
    max-width: 350px;
    backdrop-filter: blur(10px);
}

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

.notification-close {
    background: none;
    border: none;
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
    margin-left: auto;
}

.notification.error {
    background: #ef4444;
}

.notification.warning {
    background: #f59e0b;
}

.notification.info {
    background: #3b82f6;
}

/* Error Message Styles */
.error-message {
    color: #ef4444;
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

/* Animation Classes */
.fade-in {
    animation: fadeInUp 0.6s ease forwards;
}

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

/* Network Animation Canvas */
.network-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    pointer-events: none;
    opacity: 0.6; /* More visible than before */
}

.hero .network-canvas {
    opacity: 0.7; /* More visible in hero section */
}

.hero {
    position: relative;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(10px);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .skill-highlight {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .skill-icon {
        align-self: center;
    }
    
    .project-features {
        grid-template-columns: 1fr;
    }
}
/*  */
/*  */
/* chatbot */
/*  */
.chatbot-container {
            position: fixed;
            bottom: 90px;
            right: 20px;
            z-index: 1000;
        }

        .chatbot-toggle {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            /* background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); */    background: linear-gradient(145deg, #0f172a, #1b335a);

            border: none;
            color: white;
            font-size: 24px;
            cursor: pointer;
            box-shadow: 0 4px 20px rgba(0,0,0,0.3);
            transition: transform 0.3s ease;
            overflow: hidden;
            padding: 0;
        }

        .chatbot-gif {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 50%;
        }

        .chatbot-toggle:hover {
            transform: scale(1.1);
        }

        .chatbot-window {
            position: absolute;
            bottom: 80px;
            right: 0;
            width: 350px;
            height: 500px;
            background: white;
            border-radius: 10px;
            box-shadow: 0 10px 40px rgba(0,0,0,0.2);
            display: none;
            flex-direction: column;
            overflow: hidden;
        }

        .chatbot-header {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 15px;
            text-align: center;
        }

        .chatbot-header h4 {
            margin: 0 0 5px 0;
            font-size: 18px;
        }

        .chatbot-header p {
            margin: 0;
            font-size: 12px;
            opacity: 0.9;
        }

        .chatbot-messages {
            flex: 1;
            overflow-y: auto;
            padding: 15px;
            max-height: 350px;
        }

        .message {
            margin-bottom: 15px;
            display: flex;
            align-items: flex-start;
            gap: 8px;
        }

        .message.user {
            flex-direction: row-reverse;
        }

        .message-avatar {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            flex-shrink: 0;
        }

        .message.bot .message-avatar {
            background: #e5e7eb;
            color: #6b7280;
        }

        .message.user .message-avatar {
            background: #3b82f6;
            color: white;
        }

        .message-content {
            max-width: 250px;
            padding: 10px 15px;
            border-radius: 18px;
            font-size: 14px;
            line-height: 1.4;
        }

        .message.bot .message-content {
            background: #f3f4f6;
            color: #374151;
        }

        .message.user .message-content {
            background: #3b82f6;
            color: white;
        }

        .typing-indicator {
            display: none;
            margin-bottom: 15px;
            align-items: flex-start;
            gap: 8px;
        }

        .typing-indicator .message-avatar {
            background: #e5e7eb;
            color: #6b7280;
        }

        .typing-dots {
            background: #f3f4f6;
            padding: 15px;
            border-radius: 18px;
            display: flex;
            gap: 4px;
        }

        .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #9ca3af;
            animation: bounce 1.4s infinite;
        }

        .dot:nth-child(2) { animation-delay: 0.2s; }
        .dot:nth-child(3) { animation-delay: 0.4s; }

        @keyframes bounce {
            0%, 60%, 100% { transform: translateY(0); }
            30% { transform: translateY(-10px); }
        }

        .chatbot-input {
            border-top: 1px solid #e5e7eb;
            padding: 15px;
            display: flex;
            gap: 10px;
        }

        .chatbot-input input {
            flex: 1;
            padding: 10px 15px;
            border: 1px solid #d1d5db;
            border-radius: 20px;
            outline: none;
            font-size: 14px;
        }

        .chatbot-input input:focus {
            border-color: #3b82f6;
        }

        .chatbot-input button {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: #3b82f6;
            border: none;
            color: white;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .chatbot-input button:hover {
            background: #2563eb;
        }

        .chatbot-input button:disabled {
            background: #9ca3af;
            cursor: not-allowed;
        }

        @media (max-width: 480px) {
            .chatbot-window {
                width: 300px;
                height: 450px;
                right: -10px;
            }
        }