/* Data Scientist Seite - Technisches/Analytisches Theme */

:root {
    --data-primary: #2980b9;
    --data-secondary: #1f618d;
    --data-accent: #3498db;
    --data-light: #ebf5fb;
    --data-dark: #1a5276;
    --data-gray: #f8f9fa;
    --data-gradient: linear-gradient(120deg, var(--data-primary), var(--data-dark));
}

body {
    background-color: var(--data-light);
    color: #2c3e50;
}

.navbar {
    background-color: var(--data-dark);
}

.navbar a.active {
    background-color: var(--data-primary);
}

/* Header der Data Scientist Seite */
.data-header {
    background: var(--data-gradient);
    padding: 100px 0 60px;
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.data-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('https://images.unsplash.com/photo-1509228627152-72ae9ae6848d?ixlib=rb-1.2.1&auto=format&fit=crop&w=1350&q=80');
    background-size: cover;
    background-position: center;
    opacity: 0.1;
    z-index: 0;
}

.data-header .container {
    position: relative;
    z-index: 2;
}

.data-header h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    color: white;
}

.data-header .subtitle {
    font-size: 1.8rem;
    color: var(--data-accent);
    margin-bottom: 40px;
}

.data-intro {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-top: 40px;
}

.data-avatar {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    overflow: hidden;
    border: 5px solid rgba(255, 255, 255, 0.3);
    margin-bottom: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.data-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.data-quote {
    font-style: italic;
    font-size: 1.5rem;
    max-width: 800px;
    margin: 0 auto;
    color: var(--data-light);
}

/* Timeline-Stil für die Reise-Sektion */
.data-journey {
    background-color: white;
    padding: 80px 0;
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 60px auto;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    background-color: var(--data-primary);
}

.timeline-item {
    position: relative;
    margin-bottom: 60px;
}

.timeline-dot {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background-color: var(--data-primary);
    z-index: 2;
}

.timeline-content {
    position: relative;
    width: 45%;
    padding: 20px;
    background-color: var(--data-gray);
    border-radius: 5px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.timeline-item:nth-child(odd) .timeline-content {
    margin-left: auto;
}

.timeline-item:nth-child(even) .timeline-content {
    margin-right: auto;
}

.timeline-content h3 {
    font-size: 1.8rem;
    color: var(--data-primary);
    margin-bottom: 10px;
}

.timeline-content h4 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--data-dark);
}

/* Fähigkeiten-Sektion */
.data-skills {
    background-color: var(--data-gray);
    padding: 80px 0;
}

.skills-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.skill-category {
    background-color: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.skill-category h3 {
    font-size: 1.4rem;
    color: var(--data-dark);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
}

.skill-category h3 i {
    margin-right: 10px;
    color: var(--data-primary);
}

.skill-bars {
    margin-top: 20px;
}

.skill {
    margin-bottom: 15px;
}

.skill-name {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
}

.skill-bar {
    height: 10px;
    background-color: #e9ecef;
    border-radius: 5px;
    overflow: hidden;
}

.skill-level {
    height: 100%;
    background: var(--data-gradient);
    border-radius: 5px;
    color: white;
    text-align: right;
    padding-right: 10px;
    font-size: 0.7rem;
    line-height: 10px;
    transition: width 1.5s ease;
}

/* Projekte-Sektion */
.data-projects {
    padding: 80px 0;
    background-color: white;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.project-card {
    background-color: var(--data-gray);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.project-image {
    height: 200px;
    overflow: hidden;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.project-content {
    padding: 25px;
}

.project-content h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: var(--data-dark);
}

.project-tech {
    margin-top: 20px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.project-tech span {
    background-color: rgba(41, 128, 185, 0.1);
    color: var(--data-primary);
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

.more-projects {
    text-align: center;
    margin-top: 50px;
}

/* Fun Facts Sektion */
.data-fun-facts {
    background-color: var(--data-gray);
    padding: 80px 0;
}

.fun-facts-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.fun-fact {
    background-color: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    text-align: center;
    transition: transform 0.3s ease;
}

.fun-fact:hover {
    transform: translateY(-10px);
}

.fun-fact i {
    font-size: 3rem;
    color: var(--data-primary);
    margin-bottom: 20px;
}

.fun-fact h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: var(--data-dark);
}

/* CTA Banner */
.cta-banner {
    background: var(--data-gradient);
    padding: 60px 0;
    color: white;
    position: relative;
    overflow: hidden;
}

.cta-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('https://images.unsplash.com/photo-1454165804606-c3d57bc86b40?ixlib=rb-1.2.1&auto=format&fit=crop&w=1350&q=80');
    background-size: cover;
    background-position: center;
    opacity: 0.1;
    z-index: 0;
}

.cta-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: 2.2rem;
    margin-bottom: 20px;
}

.cta-content p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

.cta-content .btn {
    background-color: white;
    color: var(--data-primary);
    font-size: 1.1rem;
    padding: 12px 30px;
}

.cta-content .btn:hover {
    background-color: var(--data-accent);
    color: white;
}

/* Footer Anpassungen */
.footer {
    background-color: var(--data-dark);
}

.social-links {
    margin-top: 15px;
    display: flex;
    justify-content: center;
    gap: 20px;
}

.social-links a {
    color: var(--data-light);
    font-size: 1.5rem;
    transition: color 0.3s ease, transform 0.3s ease;
}

.social-links a:hover {
    color: var(--data-accent);
    transform: translateY(-3px);
}

/* Animation für Skill-Level beim Scrollen */
.skill-level {
    width: 0 !important;
}

.skill-level.animate {
    width: var(--width) !important;
}

/* Responsive Design für Mobil */
@media (max-width: 768px) {
    .timeline::before {
        left: 30px;
    }
    
    .timeline-dot {
        left: 30px;
    }
    
    .timeline-content {
        width: calc(100% - 60px);
        margin-left: 60px !important;
    }
    
    .data-header h1 {
        font-size: 2.5rem;
    }
    
    .data-header .subtitle {
        font-size: 1.4rem;
    }
    
    .data-quote {
        font-size: 1.2rem;
    }
    
    .skills-container,
    .projects-grid,
    .fun-facts-container {
        grid-template-columns: 1fr;
    }
}