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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

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

h1, h2, h3, h4, h5, h6 {
    margin-bottom: 1rem;
    font-weight: 600;
}

h1 { font-size: 3rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 2rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }

p {
    margin-bottom: 1rem;
}

a {
    text-decoration: none;
    color: inherit;
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 6px;
    font-weight: 500;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.3);
}

.btn-outline {
    border: 2px solid #667eea;
    color: #667eea;
    background: transparent;
}

.btn-outline:hover {
    background: #667eea;
    color: white;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

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

.nav-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: #333;
}

.accent {
    color: #667eea;
}

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

.nav-links a {
    color: #666;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: #667eea;
}

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

.hamburger span {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
}

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

.hero-text h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-text h2 {
    font-size: 1.5rem;
    color: #666;
    margin-bottom: 2rem;
    font-weight: 400;
}

.hero-text p {
    font-size: 1.1rem;
    color: #555;
    margin-bottom: 2rem;
    line-height: 1.8;
    text-align: left;
    padding-left: 0;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.social-links {
    display: flex;
    gap: 1.5rem;
}

.social-links a {
    font-size: 1.5rem;
    color: #666;
    transition: color 0.3s ease;
}

.social-links a:hover {
    color: #667eea;
}

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

.image-container {
    position: relative;
    width: 300px;
    height: 300px;
    margin: 0 auto;
}

.image-container::before {
    content: '';
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    opacity: 0.1;
    z-index: -1;
}

.image-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    border: 5px solid white;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

/* About Section */
.about {
    padding: 80px 0;
    background: #fff;
}

.about h2 {
    text-align: center;
    margin-bottom: 4rem;
    color: #333;
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: start;
}

.about-text h3 {
    color: #667eea;
    margin-bottom: 2rem;
    font-size: 1.8rem;
}

.about-text p {
    margin-bottom: 1.5rem;
    color: #555;
    line-height: 1.8;
}

.skills-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 2rem;
}

.tag {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

.about-details h4 {
    color: #333;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.edu-item {
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid #eee;
}

.edu-item:last-child {
    border-bottom: none;
}

.edu-item h5 {
    color: #333;
    margin-bottom: 0.5rem;
}

.edu-item p {
    color: #666;
    font-size: 0.9rem;
}

.skills-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.skills-list span {
    background: #f0f0f0;
    color: #666;
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.85rem;
}

/* Experience Section */
.experience {
    padding: 80px 0;
    background: #f8f9fa;
}

.experience h2 {
    text-align: center;
    margin-bottom: 4rem;
    color: #333;
}

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

.timeline::before {
    content: '';
    position: absolute;
    left: 30px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
    padding-left: 80px;
}

.timeline-marker {
    position: absolute;
    left: 20px;
    top: 30px;
    width: 20px;
    height: 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    border: 4px solid white;
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.2);
}

.timeline-content {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.job-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 0.5rem;
}

.job-header h3 {
    color: #333;
    margin: 0;
}

.date {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.85rem;
    font-weight: 500;
}

.timeline-content h4 {
    color: #667eea;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.timeline-content p {
    color: #555;
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tech-stack span {
    background: #f0f0f0;
    color: #666;
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.85rem;
    font-weight: 500;
}

/* Skills Section */
.skills {
    padding: 80px 0;
    background: white;
}

.skills h2 {
    text-align: center;
    margin-bottom: 4rem;
    color: #333;
}

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

.skill-category {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.skill-category h3 {
    color: #333;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

.skill-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.8rem 1rem;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
}

.skill-name {
    font-weight: 500;
    color: #333;
}

.skill-level {
    padding: 0.2rem 0.6rem;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 500;
}

.skill-level.advanced {
    background: #d4edda;
    color: #155724;
}

.skill-level.intermediate {
    background: #fff3cd;
    color: #856404;
}

.skill-level.beginner {
    background: #f8d7da;
    color: #721c24;
}

/* Projects Section */
.projects {
    padding: 80px 0;
    background: #f8f9fa;
}

.projects h2 {
    text-align: center;
    margin-bottom: 4rem;
    color: #333;
}

.featured-project {
    background: white;
    border-radius: 15px;
    padding: 3rem;
    margin-bottom: 4rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    align-items: center;
}

.featured-project h3 {
    color: #333;
    margin-bottom: 0.5rem;
    font-size: 1.8rem;
}

.featured-project p:first-of-type {
    color: #667eea;
    font-weight: 500;
    margin-bottom: 1rem;
}

.featured-project p:nth-of-type(2) {
    color: #555;
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 2rem;
}

.project-tech span {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.85rem;
    font-weight: 500;
}

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

.project-image img {
    width: 100%;
    border-radius: 10px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

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

.project-card {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

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

.project-card .project-image img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.project-card .project-content {
    padding: 1.5rem;
}

.project-card h4 {
    color: #333;
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.project-card p {
    color: #555;
    line-height: 1.6;
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.project-card .project-tech {
    margin-bottom: 1.5rem;
}

.project-card .project-links {
    display: flex;
    gap: 1rem;
    font-size: 1.2rem;
}

.project-card .project-links a {
    color: #666;
    transition: color 0.3s ease;
}

.project-card .project-links a:hover {
    color: #667eea;
}

.view-more {
    text-align: center;
    margin-top: 3rem;
}

/* Contact Section */
.contact {
    padding: 80px 0;
    background: white;
}

.contact h2 {
    text-align: center;
    margin-bottom: 4rem;
    color: #333;
}

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

.contact-form {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 10px;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: #333;
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #667eea;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.contact-item i {
    font-size: 1.5rem;
    color: #667eea;
}

.contact-item h4 {
    color: #333;
    margin-bottom: 0.25rem;
}

.contact-item p {
    color: #666;
    font-size: 0.9rem;
}

.contact .social-links {
    margin-top: 2rem;
    justify-content: flex-start;
}

/* Footer */
.footer {
    background: #2d3748;
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-brand h3 {
    margin-bottom: 0.5rem;
}

.footer-brand p {
    color: #a0aec0;
}

.footer-nav {
    display: flex;
    justify-content: center;
    gap: 2rem;
}

.footer-nav a {
    color: #a0aec0;
    transition: color 0.3s ease;
}

.footer-nav a:hover {
    color: white;
}

.footer-social {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    font-size: 1.2rem;
}

.footer-social a {
    color: #a0aec0;
    transition: color 0.3s ease;
}

.footer-social a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #4a5568;
}

.footer-bottom p {
    color: #a0aec0;
    font-size: 0.9rem;
}

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

    .hamburger {
        display: flex;
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

    .hero-text h1 {
        font-size: 2.5rem;
    }

    .hero-buttons {
        justify-content: center;
    }

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

    .featured-project {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

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

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 1rem;
    }

    .footer-nav {
        justify-content: center;
    }

    .footer-social {
        justify-content: center;
    }

    .timeline::before {
        left: 20px;
    }

    .timeline-item {
        padding-left: 60px;
    }

    .timeline-marker {
        left: 10px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    h1 { font-size: 2rem; }
    h2 { font-size: 2rem; }

    .hero {
        padding: 100px 0 60px;
    }

    .hero-text h1 {
        font-size: 2rem;
    }

    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }

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

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

    .job-header {
        flex-direction: column;
        gap: 0.5rem;
        align-items: flex-start;
    }
}