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

:root {
    --primary: #2563eb;
    --primary-dark: #1e40af;
    --secondary: #64748b;
    --text: #1e293b;
    --text-light: #64748b;
    --bg: #ffffff;
    --bg-alt: #f8fafc;
    --border: #e2e8f0;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text);
    background: var(--bg);
}

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

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

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

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

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    color: var(--text);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

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

/* Hero */
.hero {
    padding: 8rem 0 6rem;
    margin-top: 60px;
}

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

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: var(--text);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 1rem;
}

.hero-location {
    font-size: 1rem;
    color: var(--text-light);
    margin-bottom: 2rem;
}

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

.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    border-radius: 0.5rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s;
    border: 2px solid transparent;
}

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

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

.btn-secondary {
    border-color: var(--primary);
    color: var(--primary);
}

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

/* Sections */
.section {
    padding: 5rem 0;
}

.section-alt {
    background: var(--bg-alt);
}

.section h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    text-align: center;
}

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

.about-text p {
    font-size: 1.125rem;
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.experience,
.education,
.skills {
    margin-top: 2rem;
}

.experience h3,
.education h3,
.skills h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.experience-item,
.education-item {
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
}

.experience-item:last-child,
.education-item:last-child {
    border-bottom: none;
}

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

.experience-duration {
    color: var(--text-light);
    font-size: 0.875rem;
}

.experience-role {
    color: var(--text-light);
    font-weight: 600;
    margin: 0.25rem 0;
}

.experience-description {
    color: var(--text-light);
    font-size: 0.95rem;
    margin: 0.5rem 0 0 0;
    line-height: 1.5;
}

.experience-location {
    color: var(--text-light);
    font-size: 0.875rem;
    margin: 0.25rem 0 0 0;
}

.education-item strong {
    display: block;
    margin-bottom: 0.25rem;
}

.education-item p {
    color: var(--text-light);
    margin: 0;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.tag {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: white;
    border: 1px solid var(--border);
    border-radius: 2rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text);
}

/* Services */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.service-card {
    background: white;
    padding: 2rem;
    border-radius: 1rem;
    border: 1px solid var(--border);
    transition: all 0.2s;
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.service-card p {
    color: var(--text-light);
    margin-bottom: 1rem;
}

.service-price {
    font-weight: 600;
    color: var(--primary);
    font-size: 1.125rem;
}

/* Projects */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.project-card {
    background: white;
    padding: 2rem;
    border-radius: 1rem;
    border: 1px solid var(--border);
}

.project-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.project-card p {
    color: var(--text-light);
    margin-bottom: 1rem;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.project-link {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    display: inline-block;
    margin-top: 1rem;
}

.project-link:hover {
    text-decoration: underline;
}

/* Contact */
.contact-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.contact-content h2 {
    margin-bottom: 1rem;
}

.contact-content > p {
    font-size: 1.125rem;
    color: var(--text-light);
    margin-bottom: 2rem;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
}

.contact-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 2rem;
    background: white;
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    text-decoration: none;
    color: var(--text);
    font-weight: 500;
    transition: all 0.2s;
    min-width: 300px;
}

.contact-link:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
}

.contact-icon {
    font-size: 1.5rem;
}

/* Footer */
.footer {
    padding: 2rem 0;
    text-align: center;
    border-top: 1px solid var(--border);
    color: var(--text-light);
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .nav-links {
        gap: 1rem;
    }
    
    .section h2 {
        font-size: 2rem;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        text-align: center;
    }
    
    .contact-link {
        min-width: auto;
        width: 100%;
    }
}