:root {
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --dark-color: #1e293b;
    --darker-color: #0f172a;
    --light-color: #f8fafc;
    --gray-color: #64748b;
    --light-gray: #e2e8f0;
    --white: #ffffff;
    --black: #000000;
}

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

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

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

/* Navigation */
.navbar {
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    z-index: 1000;
    padding: 15px 0;
}

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

.logo {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
    background-color: var(--light-gray);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.nav-links li {
    margin-left: 30px;
}

.nav-links a {
    color: var(--dark-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
    position: relative;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    bottom: -5px;
    left: 0;
    transition: width 0.3s;
}

.nav-links a:hover::after {
    width: 100%;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--dark-color);
    font-size: 24px;
    cursor: pointer;
}

/* Hero Section */
.hero {
    padding: 150px 0 100px;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

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

.hero-text {
    flex: 1;
}

.title {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--darker-color);
}

.title span {
    color: var(--primary-color);
}

.subtitle {
    font-size: 24px;
    font-weight: 500;
    color: var(--gray-color);
    margin-bottom: 20px;
}

.description {
    font-size: 18px;
    color: var(--gray-color);
    margin-bottom: 30px;
    max-width: 600px;
}

.cta-button {
    display: inline-block;
    padding: 12px 30px;
    background-color: var(--primary-color);
    color: var(--white);
    text-decoration: none;
    border-radius: 5px;
    font-weight: 500;
    transition: all 0.3s;
}

.cta-button:hover {
    background-color: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(37, 99, 235, 0.2);
}

.hero-image {
    flex: 1;
    text-align: center;
}

.hero-image img {
    width: 350px;
    height: 350px;
    border-radius: 50%;
    object-fit: cover;
    border: 5px solid var(--white);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

/* Section Styles */
.section {
    padding: 100px 0;
}

.section-title {
    font-size: 36px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 60px;
    color: var(--darker-color);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    width: 80px;
    height: 4px;
    background: var(--primary-color);
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
}

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

.about-text {
    flex: 2;
}

.about-text p {
    font-size: 16px;
    color: var(--gray-color);
    margin-bottom: 30px;
    line-height: 1.8;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-top: 30px;
}

.info-item {
    display: flex;
    align-items: center;
}

.info-label {
    font-weight: 600;
    margin-right: 10px;
    color: var(--darker-color);
}

.info-value {
    color: var(--gray-color);
}

.about-stats {
    flex: 1;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.stat-card {
    background-color: var(--white);
    border-radius: 10px;
    padding: 30px 20px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s;
}

.stat-card:hover {
    transform: translateY(-10px);
}

.stat-number {
    font-size: 36px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.stat-text {
    font-size: 16px;
    color: var(--gray-color);
}

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

.timeline::before {
    content: '';
    position: absolute;
    width: 2px;
    background-color: var(--primary-color);
    top: 0;
    bottom: 0;
    left: 50%;
    margin-left: -1px;
}

.timeline-item {
    padding: 20px 0;
    position: relative;
    width: 100%;
    opacity: 0;
    transform: translateY(50px);
}

.timeline-date {
    position: absolute;
    width: 120px;
    background-color: var(--primary-color);
    color: var(--white);
    text-align: center;
    padding: 5px 10px;
    border-radius: 5px;
    left: 50%;
    margin-left: -60px;
    top: 20px;
    font-weight: 500;
}

.timeline-content {
    width: calc(50% - 40px);
    padding: 20px;
    background-color: var(--white);
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    position: relative;
}

.timeline-item:nth-child(odd) .timeline-content {
    margin-left: auto;
}

.timeline-item:nth-child(even) .timeline-content {
    margin-right: auto;
}

.timeline-content h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--darker-color);
    margin-bottom: 5px;
}

.timeline-content h4 {
    font-size: 16px;
    font-weight: 500;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.timeline-content ul {
    list-style: none;
}

.timeline-content ul li {
    margin-bottom: 10px;
    color: var(--gray-color);
    position: relative;
    padding-left: 20px;
}

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

/* Education Section */
.education-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.education-card {
    background-color: var(--white);
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s;
}

.education-card:hover {
    transform: translateY(-10px);
}

.education-date {
    font-size: 14px;
    color: var(--primary-color);
    font-weight: 500;
    margin-bottom: 10px;
}

.education-content h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--darker-color);
    margin-bottom: 5px;
}

.education-content h4 {
    font-size: 16px;
    font-weight: 500;
    color: var(--gray-color);
    margin-bottom: 10px;
}

.education-content p {
    font-size: 14px;
    color: var(--gray-color);
}

/* Skills Section */
.skills-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.skills-column {
    background-color: var(--white);
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.skills-category {
    font-size: 20px;
    font-weight: 600;
    color: var(--darker-color);
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.skills-category::after {
    content: '';
    position: absolute;
    width: 50px;
    height: 3px;
    background: var(--primary-color);
    bottom: 0;
    left: 0;
}

.skill-item {
    margin-bottom: 20px;
}

.skill-name {
    font-size: 16px;
    font-weight: 500;
    color: var(--darker-color);
    margin-bottom: 10px;
}

.skill-bar {
    height: 8px;
    background-color: var(--light-gray);
    border-radius: 4px;
    overflow: hidden;
}

.skill-level {
    height: 100%;
    background-color: var(--primary-color);
    border-radius: 4px;
    width: 0;
    transition: width 1.5s ease-out;
}

.certifications-list {
    list-style: none;
}

.certifications-list li {
    margin-bottom: 15px;
    color: var(--gray-color);
    position: relative;
    padding-left: 25px;
}

.certifications-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

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

.contact-info {
    flex: 1;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 30px;
}

.contact-item i {
    font-size: 24px;
    color: var(--primary-color);
    margin-right: 20px;
    margin-top: 5px;
}

.contact-item h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--darker-color);
    margin-bottom: 5px;
}

.contact-item p {
    font-size: 16px;
    color: var(--gray-color);
}

.contact-form {
    flex: 1;
    background-color: var(--white);
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--light-gray);
    border-radius: 5px;
    font-family: 'Poppins', sans-serif;
    font-size: 16px;
    transition: border-color 0.3s;
}

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

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

.submit-button {
    background-color: var(--primary-color);
    color: var(--white);
    border: none;
    padding: 12px 30px;
    border-radius: 5px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
}

.submit-button:hover {
    background-color: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(37, 99, 235, 0.2);
}

/* Footer */
.footer {
    background-color: var(--darker-color);
    color: var(--white);
    padding: 60px 0 20px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
}

.footer-logo {
    font-size: 24px;
    font-weight: 700;
    color: var(--white);
}

.footer-links {
    display: flex;
    list-style: none;
}

.footer-links a {
    color: var(--light-gray);
    text-decoration: none;
    margin-left: 30px;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: var(--primary-color);
}

.social-links {
    display: flex;
    gap: 20px;
}

.social-links a {
    color: var(--white);
    font-size: 20px;
    transition: color 0.3s;
}

.social-links a:hover {
    color: var(--primary-color);
}

.copyright {
    text-align: center;
    color: var(--light-gray);
    font-size: 14px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Responsive Styles */
@media (max-width: 992px) {
    .hero-content {
        flex-direction: column;
        text-align: center;
    }

    .hero-image {
        margin-top: 50px;
    }

    .description {
        margin-left: auto;
        margin-right: auto;
    }

    .about-content {
        flex-direction: column;
    }

    .contact-content {
        flex-direction: column;
    }

    .timeline::before {
        left: 31px;
    }

    .timeline-item {
        padding-left: 70px;
    }

    .timeline-date {
        left: 0;
        margin-left: 0;
        text-align: left;
    }

    .timeline-content {
        width: 100%;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .menu-toggle {
        display: block;
    }

    .hero {
        padding: 120px 0 80px;
    }

    .title {
        font-size: 36px;
    }

    .subtitle {
        font-size: 20px;
    }

    .section-title {
        font-size: 30px;
    }

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

@media (max-width: 576px) {
    .hero-image img {
        width: 250px;
        height: 250px;
    }

    .section {
        padding: 60px 0;
    }

    .section-title {
        font-size: 26px;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: 30px;
    }

    .footer-links {
        flex-direction: column;
        gap: 15px;
        margin-left: 0;
    }

    .footer-links a {
        margin-left: 0;
    }
}

/* Experience Section */
/* Experience Section Styles */
.experience-section {
    background-color: #f8fafc;
    padding: 100px 0;
}

.experience-timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.experience-timeline::before {
    content: '';
    position: absolute;
    width: 3px;
    background-color: #2563eb;
    top: 0;
    bottom: 0;
    left: 50px;
    z-index: 1;
}

.experience-item {
    position: relative;
    margin-bottom: 50px;
    padding-left: 80px;
}

.experience-date {
    position: absolute;
    left: 0;
    top: 0;
    width: 100px;
    padding: 8px 15px;
    background-color: #2563eb;
    color: white;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    text-align: center;
    z-index: 2;
}

.experience-content {
    background-color: white;
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.05);
    position: relative;
}

.experience-content::before {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    background-color: #2563eb;
    border-radius: 50%;
    left: -10px;
    top: 40px;
    z-index: 2;
}

.company-header {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.company-logo {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 20px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    overflow: hidden;
    padding: 10px;
}

.company-logo img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.company-info h3 {
    font-size: 22px;
    color: #1e293b;
    margin-bottom: 5px;
}

.job-title {
    font-size: 16px;
    font-weight: 500;
    color: #64748b;
    display: block;
}

.responsibilities {
    list-style: none;
    margin: 20px 0;
}

.responsibilities li {
    margin-bottom: 12px;
    padding-left: 25px;
    position: relative;
    color: #64748b;
    line-height: 1.6;
}

.responsibilities li i {
    position: absolute;
    left: 0;
    top: 5px;
    color: #2563eb;
    font-size: 14px;
}

.skills-used {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 20px;
}

.skill-tag {
    font-size: 12px;
    background-color: rgba(37, 99, 235, 0.1);
    color: #2563eb;
    padding: 5px 15px;
    border-radius: 20px;
    font-weight: 500;
}

/* Animations */
.experience-item {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

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

/* Responsive */
@media (max-width: 768px) {
    .experience-timeline::before {
        left: 30px;
    }
    
    .experience-item {
        padding-left: 60px;
    }
    
    .experience-date {
        width: 60px;
        padding: 5px 10px;
        font-size: 12px;
    }
    
    .experience-content::before {
        left: -5px;
        width: 15px;
        height: 15px;
    }
    
    .company-logo {
        width: 50px;
        height: 50px;
        margin-right: 15px;
    }
    
    .company-info h3 {
        font-size: 18px;
    }
}

@media (max-width: 576px) {
    .experience-section {
        padding: 60px 0;
    }
    
    .experience-timeline::before {
        display: none;
    }
    
    .experience-item {
        padding-left: 0;
        margin-bottom: 30px;
    }
    
    .experience-date {
        position: relative;
        margin-bottom: 15px;
        left: auto;
        display: inline-block;
    }
    
    .experience-content::before {
        display: none;
    }
}

/* Animations */
.experience-card {
    opacity: 0;
    transform: translateY(30px);
}

@media (max-width: 768px) {
    .experience-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .company-logo {
        margin-right: 0;
        margin-bottom: 15px;
    }
    
    .job-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 5px;
    }
}