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

:root {
    --primary-color: #2563eb;
    --primary-dark: #1e40af;
    --secondary-color: #64748b;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-accent: #f1f5f9;
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 2px 0 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);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
}

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

/* Navigation */
.navbar {
    background-color: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
    background-color: rgba(255, 255, 255, 0.9);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

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

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

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: width 0.3s ease;
}

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

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 8rem 0;
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 1rem;
    animation: fadeInUp 0.8s ease;
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 400;
    margin-bottom: 0.5rem;
    opacity: 0.95;
    animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-location {
    font-size: 1.125rem;
    opacity: 0.9;
    margin-bottom: 2rem;
    animation: fadeInUp 0.8s ease 0.4s both;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease 0.6s both;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 0.5rem;
    transition: all 0.3s ease;
    cursor: pointer;
    border: 2px solid transparent;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

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

/* Section Styles */
section {
    padding: 5rem 0;
}

/* Companies Showcase */
.companies-showcase {
    background-color: var(--bg-primary);
    padding: 3rem 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.showcase-label {
    text-align: center;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.companies-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 4rem;
    flex-wrap: wrap;
    max-width: 900px;
    margin: 0 auto;
}

.company-showcase-item {
    flex: 0 1 auto;
    transition: all 0.3s ease;
}

.company-showcase-item:hover {
    transform: translateY(-4px);
}

.showcase-logo {
    height: 70px;
    width: auto;
    max-width: 200px;
    object-fit: contain;
    opacity: 0.85;
    transition: all 0.3s ease;
}

.showcase-logo:hover {
    opacity: 1;
    transform: scale(1.08);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--text-primary);
}

/* About Section */
.about {
    background-color: var(--bg-secondary);
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
}

.about-text {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

/* Experience Section - Timeline */
.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    padding-left: 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, var(--primary-color), var(--primary-dark));
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
    padding-left: 2rem;
}

.timeline-marker {
    position: absolute;
    left: -2rem;
    top: 0;
    width: 16px;
    height: 16px;
    background-color: var(--primary-color);
    border: 3px solid var(--bg-primary);
    border-radius: 50%;
    box-shadow: 0 0 0 3px var(--primary-color);
}

.timeline-content {
    background-color: var(--bg-primary);
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.timeline-content:hover {
    box-shadow: var(--shadow-xl);
    transform: translateX(4px);
}

.timeline-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
    gap: 1rem;
}

.company-logo-inline {
    width: 120px;
    height: 60px;
    background: white;
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    padding: 0.5rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
}

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

.company-name {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
    color: var(--text-primary);
}

.role-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
}

.timeline-date {
    font-size: 0.9rem;
    color: var(--secondary-color);
    font-weight: 500;
}

.role-description {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.achievements {
    margin-bottom: 1.5rem;
}

.achievements-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.achievements-list {
    list-style: none;
    padding-left: 0;
}

.achievements-list li {
    position: relative;
    padding-left: 1.75rem;
    margin-bottom: 0.75rem;
    line-height: 1.6;
    color: var(--text-secondary);
}

.achievements-list li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
    font-size: 1.1rem;
}

.experience-highlights {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.highlight-tag {
    display: inline-block;
    padding: 0.375rem 0.875rem;
    background-color: var(--bg-accent);
    color: var(--primary-color);
    border-radius: 2rem;
    font-size: 0.875rem;
    font-weight: 500;
}

/* Projects Section */
.projects {
    background-color: var(--bg-secondary);
}

.featured-project {
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.05), rgba(118, 75, 162, 0.05));
    border: 2px solid var(--border-color);
    border-radius: 1.5rem;
    padding: 3rem;
    margin-bottom: 3rem;
    transition: all 0.3s ease;
}

.featured-project:hover {
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.project-header {
    display: flex;
    gap: 2rem;
    align-items: flex-start;
    margin-bottom: 1.5rem;
}

.project-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.project-icon.featured {
    width: 80px;
    height: 80px;
}

.project-icon svg {
    width: 32px;
    height: 32px;
    color: white;
}

.project-icon.featured svg {
    width: 40px;
    height: 40px;
}

.project-name {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.project-tagline {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-weight: 500;
}

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

.project-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    background-color: var(--bg-primary);
    color: var(--primary-color);
    text-decoration: none;
    border-radius: 0.5rem;
    font-weight: 600;
    font-size: 0.9rem;
    border: 2px solid var(--primary-color);
    transition: all 0.3s ease;
}

.project-link:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.project-link svg {
    width: 18px;
    height: 18px;
}

.project-description {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

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

.tech-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background-color: var(--bg-primary);
    color: var(--primary-color);
    border-radius: 2rem;
    font-size: 0.875rem;
    font-weight: 600;
    border: 1px solid var(--border-color);
}

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

.project-card {
    background-color: var(--bg-primary);
    border-radius: 1rem;
    padding: 2rem;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.project-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.project-card-header {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.project-card-name {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.github-link {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
    transition: color 0.3s ease;
}

.github-link:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

.project-card-description {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.github-cta {
    text-align: center;
    padding: 3rem;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(118, 75, 162, 0.1));
    border-radius: 1rem;
    border: 2px dashed var(--border-color);
}

.github-cta p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.github-cta .btn {
    display: inline-flex;
    align-items: center;
}

/* Expertise Section */
.expertise {
    background-color: var(--bg-primary);
}

.expertise-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    max-width: 1100px;
    margin: 0 auto;
}

.expertise-category {
    background-color: var(--bg-secondary);
    border-radius: 1rem;
    padding: 2rem;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.expertise-category:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    background-color: var(--bg-primary);
}

.category-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--border-color);
}

.category-header svg {
    width: 28px;
    height: 28px;
    color: var(--primary-color);
}

.category-header h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.skills-list {
    list-style: none;
    padding-left: 0;
}

.skills-list li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.75rem;
    line-height: 1.6;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.skills-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
    font-size: 1rem;
}

/* Values Section */
.values {
    background-color: var(--bg-secondary);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.value-card {
    text-align: center;
    padding: 2rem;
    background-color: var(--bg-primary);
    border-radius: 1rem;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.value-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.value-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.value-icon svg {
    width: 40px;
    height: 40px;
    color: white;
}

.value-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.value-description {
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-secondary);
}

/* Contact Section */
.contact {
    text-align: center;
}

.contact-content {
    max-width: 700px;
    margin: 0 auto;
}

.contact-text {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

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

.contact-link {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    background-color: var(--primary-color);
    color: white;
    text-decoration: none;
    border-radius: 0.5rem;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-md);
}

.contact-link:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.contact-link svg {
    width: 24px;
    height: 24px;
}

/* Footer */
.footer {
    background-color: var(--text-primary);
    color: white;
    text-align: center;
    padding: 2rem 0;
}

.footer p {
    opacity: 0.8;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        gap: 1rem;
    }

    .hero {
        padding: 5rem 0;
    }

    .companies-showcase {
        padding: 2rem 0;
    }

    .companies-logos {
        gap: 2rem;
    }

    .showcase-logo {
        height: 50px;
        max-width: 140px;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.25rem;
    }

    .hero-location {
        font-size: 1rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .timeline {
        padding-left: 1.5rem;
    }

    .timeline-item {
        padding-left: 1.5rem;
    }

    .timeline-marker {
        left: -1.75rem;
    }

    .timeline-header {
        flex-direction: column;
    }

    .company-logo-inline {
        align-self: flex-start;
        width: 100px;
        height: 50px;
    }

    .company-name {
        font-size: 1.5rem;
    }

    .achievements-list li {
        font-size: 0.95rem;
    }

    .featured-project {
        padding: 2rem;
    }

    .project-header {
        flex-direction: column;
        gap: 1rem;
    }

    .project-name {
        font-size: 1.5rem;
    }

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

    .github-cta {
        padding: 2rem;
    }

    .expertise-grid,
    .values-grid {
        grid-template-columns: 1fr;
    }

    .container {
        padding: 0 1rem;
    }
}

@media (max-width: 480px) {
    .nav-links {
        gap: 0.75rem;
        font-size: 0.875rem;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-cta {
        flex-direction: column;
        gap: 0.75rem;
    }

    .btn {
        width: 100%;
        text-align: center;
    }
}