:root {
    --primary-color: #2563eb;
    --secondary-color: #1e40af;
    --text-color: #1f2937;
    --background-color: #ffffff;
    --card-background: #f3f4f6;
    --border-radius: 12px;
    --transition: all 0.3s ease;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

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

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

/* Navigation Styles */
.navbar {
    position: fixed;
    width: 100%;
    top: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.nav-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

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

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

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

.hamburger {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 2px;
    background-color: var(--text-color);
    transition: 0.3s;
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
}

.hero-content {
    max-width: 800px;
    padding: 2rem;
    text-align: center;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.hero h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

/* About Section */
.about {
    padding: 8rem 2rem;
    background-color: var(--background-color);
}

.about-content {
    max-width: 1200px;
    margin: 0 auto;
}

.about-text p {
    margin-bottom: 1rem;
}

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

.skill-tag {
    padding: 0.5rem 1rem;
    background-color: var(--card-background);
    border-radius: var(--border-radius);
    font-size: 0.9rem;
}

/* Experience Section */
.experience {
    padding: 8rem 2rem;
    background-color: #f8fafc;
}

.timeline {
    position: relative;
    padding: 2rem 0;
}

.timeline::before {
    content: '';
    position: absolute;
    width: 2px;
    height: 100%;
    background-color: var(--primary-color);
    left: 50%;
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
}

.timeline-marker {
    position: absolute;
    width: 12px;
    height: 12px;
    background-color: var(--primary-color);
    border-radius: 50%;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
}

.timeline-content {
    width: 45%;
    padding: 1.5rem;
    background-color: var(--card-background);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
}

.timeline-item:nth-child(even) .timeline-content {
    left: 55%;
}

.timeline-item:nth-child(odd) .timeline-content {
    right: 55%;
}

/* Projects Section */
.projects {
    padding: 8rem 2rem;
    background-color: var(--background-color);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.project-card {
    background-color: var(--card-background);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

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

.project-content {
    padding: 1.5rem;
}

.project-tech {
    color: var(--primary-color);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.project-description {
    margin-bottom: 1rem;
}

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

/* Contact Section */
.contact {
    padding: 8rem 2rem;
    background-color: #f8fafc;
}

.contact-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
}

.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: var(--primary-color);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

input,
textarea {
    padding: 0.75rem;
    border: 1px solid #e5e7eb;
    border-radius: var(--border-radius);
    font-family: inherit;
}

textarea {
    height: 150px;
    resize: vertical;
}

/* Footer */
.footer {
    padding: 4rem 2rem 2rem;
    background-color: var(--text-color);
    color: white;
}

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

.footer-logo {
    color: var(--primary-color);
    font-size: 1.5rem;
    font-weight: 700;
}

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

    .hamburger {
        display: flex;
    }

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

    .timeline-content {
        width: 90%;
        padding: 1rem;
    }

    .timeline-item:nth-child(even) .timeline-content,
    .timeline-item:nth-child(odd) .timeline-content {
        left: 0;
    }

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

/* Buttons */
.btn-primary {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background-color: var(--primary-color);
    color: white;
    text-decoration: none;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.btn-primary:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
}

.btn-secondary {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background-color: var(--card-background);
    color: var(--text-color);
    text-decoration: none;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.btn-secondary:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

/* Section Titles */
.section-title {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    text-align: center;
    color: var(--text-color);
}

/* Utilities */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.grid {
    display: grid;
    gap: 2rem;
}

.grid-cols-2 {
    grid-template-columns: repeat(2, 1fr);
}

.mt-8 {
    margin-top: 2rem;
}

.mt-6 {
    margin-top: 1.5rem;
}

.text-primary {
    color: var(--primary-color);
}

.text-gray-600 {
    color: #6b7280;
}

.hover:text-primary:hover {
    color: var(--primary-color);
}

.profile-image img {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    object-fit: cover;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
}

.profile-image img:hover {
    transform: scale(1.05);
}

.text-primary {
    color: var(--primary-color);
}

.text-gray-600 {
    color: #4b5563;
}

.mt-8 {
    margin-top: 2rem;
}

.mt-6 {
    margin-top: 1.5rem;
}

.btn-primary {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background-color: var(--primary-color);
    color: white;
    text-decoration: none;
    border-radius: var(--border-radius);
    transition: var(--transition);
    margin-right: 1rem;
}

.btn-primary:hover {
    background-color: var(--secondary-color);
    transform: translateY(-1px);
}

.btn-secondary {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background-color: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    text-decoration: none;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.btn-secondary:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-1px);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.section-title {
    text-align: center;
    color: var(--text-color);
    margin-bottom: 3rem;
    font-size: 2.5rem;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background-color: var(--primary-color);
    margin: 1rem auto;
    border-radius: 2px;
}

.grid {
    display: grid;
}

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

.md\:grid-cols-2 {
    grid-template-columns: 1fr;
}

@media (min-width: 768px) {
    .md\:grid-cols-2 {
        grid-template-columns: repeat(2, 1fr);
    }
}

.gap-8 {
    gap: 2rem;
}

.skills {
    background: var(--card-background);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
}

.skill-tag {
    background: var(--primary-color);
    color: white;
    padding: 0.4rem 0.8rem;
    border-radius: 16px;
    font-size: 0.875rem;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 80px;
    text-align: center;
    margin: 0.25rem;
}

.skill-tag::after {
    content: '';
    display: block;
    width: 100%;
    height: 2px;
    background: rgba(255, 255, 255, 0.2);
    margin-top: 0.25rem;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.skill-tag:hover::after {
    opacity: 1;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1.5rem;
}

.stat-item {
    background: var(--card-background);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--shadow-sm);
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-top: 0.5rem;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.hero h2 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.social-links {
    margin-top: 2rem;
}

.social-icon {
    color: var(--text-color);
    font-size: 1.5rem;
    margin: 0 1rem;
    transition: color 0.3s ease;
}

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

.about, .projects, .contact {
    padding: 5rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

h2 {
    text-align: center;
    margin-bottom: 3rem;
    color: var(--text-color);
}

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

.project-card {
    background: var(--card-background);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    min-height: 400px;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.project-icon {
    flex: 0 0 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    transition: var(--transition);
}

.project-icon i {
    font-size: 3rem;
    color: white;
    transform: scale(1);
    transition: var(--transition);
}

.project-card:hover .project-icon {
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--primary-color) 100%);
}

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

.project-content {
    flex: 1;
    padding: 2rem;
    background: var(--background-color);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.project-content h3 {
    color: var(--text-color);
    margin-bottom: 1rem;
    font-size: 1.25rem;
    font-weight: 600;
    text-align: center;
}

.project-content p {
    color: #4b5563;
    margin-bottom: 1.5rem;
    line-height: 1.6;
    font-size: 0.95rem;
    text-align: center;
}

.project-stats {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
    color: #6b7280;
    font-size: 0.9rem;
    justify-content: center;
}

.project-stats span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.project-stats i {
    color: var(--primary-color);
}

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

.project-link {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

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

.project-link.secondary-btn:hover {
    background: var(--primary-color);
    color: white;
}

.project-card h3 {
    margin-bottom: 0.5rem;
    color: var(--text-color);
    font-size: 1.25rem;
}

.project-card p {
    color: #4b5563;
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.project-stats {
    display: flex;
    gap: 1rem;
    color: #6b7280;
    margin-bottom: 1rem;
    justify-content: center;
    font-size: 0.9rem;
}

.project-stats span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

.project-link {
    display: inline-block;
    margin-top: 1rem;
    text-decoration: none;
    color: var(--primary-color);
    font-weight: 500;
    transition: color 0.3s ease;
}

.project-link:hover {
    color: var(--secondary-color);
}

.contact form {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

input, textarea {
    padding: 1rem;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    font-family: inherit;
}

button {
    background: var(--primary-color);
    color: white;
    padding: 1rem;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 500;
    transition: background-color 0.3s ease;
}

button:hover {
    background: var(--secondary-color);
}

footer {
    text-align: center;
    padding: 2rem;
    background: var(--background-color);
    color: var(--text-color);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero h2 {
        font-size: 1.5rem;
    }
}