:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --text-color: #333;
    --light-gray: #7f8c8d;
    --border-color: #e0e0e0;
    --background: #ffffff;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background: var(--background);
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 2rem;
}

/* Language Switcher */
.language-switcher {
    text-align: right;
    margin-bottom: 1rem;
}

.language-switcher a {
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border: 1px solid var(--secondary-color);
    border-radius: 4px;
    transition: all 0.3s ease;
}

.language-switcher a:hover {
    background: var(--secondary-color);
    color: white;
}

/* Header */
.resume-header {
    text-align: center;
    padding: 2rem 0;
    border-bottom: 2px solid var(--border-color);
    margin-bottom: 2rem;
}

.resume-header h1 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.tagline {
    font-size: 1.2rem;
    color: var(--light-gray);
    margin-bottom: 0.5rem;
}

.location {
    color: var(--light-gray);
    font-size: 1rem;
}

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

.contact-link {
    color: var(--secondary-color);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border: 1px solid var(--secondary-color);
    border-radius: 4px;
    transition: all 0.3s ease;
}

.contact-link:hover {
    background: var(--secondary-color);
    color: white;
}

/* Resume Sections */
.resume-section {
    margin-bottom: 2.5rem;
}

.resume-section h2 {
    font-size: 1.8rem;
    color: var(--primary-color);
    border-bottom: 2px solid var(--secondary-color);
    padding-bottom: 0.5rem;
    margin-bottom: 1.5rem;
}

/* Skills */
.skill-category {
    margin-bottom: 1.5rem;
}

.skill-category h3 {
    font-size: 1.1rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.skill-category p {
    color: var(--text-color);
    line-height: 1.8;
}

/* Experience */
.experience-item {
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
}

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

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

.experience-title h3 {
    font-size: 1.3rem;
    color: var(--primary-color);
    margin-bottom: 0.25rem;
}

.company {
    font-weight: 600;
    color: var(--secondary-color);
    font-size: 1.1rem;
}

.period {
    color: var(--light-gray);
    font-style: italic;
    white-space: nowrap;
}

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

.achievements li {
    margin-bottom: 0.8rem;
    padding-left: 1.5rem;
    position: relative;
}

.achievements li:before {
    content: "▸";
    color: var(--secondary-color);
    position: absolute;
    left: 0;
    font-weight: bold;
}

.tech-stack {
    display: block;
    margin-top: 0.3rem;
    color: var(--light-gray);
    font-size: 0.9rem;
    font-style: italic;
}

/* Education */
.education-item {
    margin-bottom: 1.5rem;
}

.education-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 1rem;
}

.education-header h3 {
    font-size: 1.2rem;
    color: var(--primary-color);
    margin-bottom: 0.25rem;
}

.school {
    font-weight: 600;
    color: var(--secondary-color);
}

/* Projects */
.project-item {
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
    position: relative;
}

.project-item:before {
    content: "▸";
    color: var(--secondary-color);
    position: absolute;
    left: 0;
    font-weight: bold;
}

.project-title {
    margin-bottom: 0.25rem;
    line-height: 1.5;
}

.project-year {
    color: var(--light-gray);
    font-style: italic;
    font-size: 0.9rem;
}

/* Certifications */
.certifications-list {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    align-items: flex-start;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }
    
    .resume-header h1 {
        font-size: 2rem;
    }
    
    .experience-header,
    .education-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .period {
        white-space: normal;
    }
}

/* Landing Page Styles */
.landing-header {
    text-align: center;
    padding: 3rem 0 2rem;
    margin-bottom: 1rem;
}

.landing-header h1 {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.landing-header .tagline {
    font-size: 1.3rem;
    color: var(--light-gray);
    margin-bottom: 0;
}

.landing-links {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    max-width: 600px;
    margin: 2rem auto;
    padding: 0 1rem;
}

.link-button {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 1.25rem 2rem;
    border-radius: 12px;
    text-decoration: none;
    font-size: 1.25rem;
    font-weight: 600;
    color: white;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    border: none;
    cursor: pointer;
}

.link-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.link-button:active {
    transform: translateY(0);
}

.link-button .icon {
    font-size: 1.5rem;
    font-weight: bold;
}

.email-button {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.linkedin-button {
    background: linear-gradient(135deg, #0077b5 0%, #00a0dc 100%);
}

.metrics-button {
    background: linear-gradient(135deg, #5e3a9e 0%, #7c4daf 100%);
}

.resume-button {
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
}

.homelab-button {
    background: linear-gradient(135deg, #4a4a4a 0%, #6a6a6a 100%);
}

.landing-footer {
    text-align: center;
    margin-top: 4rem;
    padding: 2rem 0;
    color: var(--light-gray);
    font-size: 0.9rem;
}

.landing-footer p {
    margin: 0;
}

/* Back to Home Link */
.back-to-home {
    text-align: center;
    margin-top: 3rem;
    padding: 2rem 0;
}

.back-link {
    color: var(--secondary-color);
    text-decoration: none;
    font-size: 1rem;
    font-weight: 500;
    padding: 0.75rem 1.5rem;
    border: 2px solid var(--secondary-color);
    border-radius: 8px;
    display: inline-block;
    transition: all 0.3s ease;
}

.back-link:hover {
    background: var(--secondary-color);
    color: white;
    transform: translateX(-4px);
}

/* Print Styles */
@media print {
    body {
        font-size: 12pt;
    }
    
    .container {
        max-width: 100%;
        padding: 0;
    }
    
    .language-switcher {
        display: none;
    }
    
    .contact-link {
        border: none;
        padding: 0.2rem 0.5rem;
    }
    
    .resume-section {
        page-break-inside: avoid;
    }
    
    .experience-item {
        page-break-inside: avoid;
    }
}