/* --- RESET & VARIABLES --- */
:root {
    --bg-color: #0f172a;       /* Sehr dunkles Blau/Grau */
    --card-bg: #1e293b;        /* Etwas helleres Grau für Karten */
    --text-primary: #f8fafc;   /* Fast Weiß */
    --text-secondary: #94a3b8; /* Gedämpftes Grau */
    --accent: #38bdf8;         /* Helles Blau als Akzent */
    --accent-hover: #0ea5e9;
    
    --font-main: 'Inter', sans-serif;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

/* --- NAVIGATION --- */
.navbar {
    padding: 20px 0;
    position: fixed;
    width: 100%;
    top: 0;
    background-color: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-weight: 700;
    font-size: 1.5rem;
    letter-spacing: -1px;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
}

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

/* --- HERO SECTION --- */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 60px;
}

.greeting {
    color: var(--accent);
    font-weight: 500;
    margin-bottom: 10px;
}

.hero h1 {
    font-size: clamp(3rem, 5vw, 5rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 10px;
    background: linear-gradient(to right, #fff, #94a3b8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero .role {
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    color: var(--text-secondary);
    margin-bottom: 20px;
    font-weight: 400;
}

.tech-stack {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 600px;
}

.highlight {
    color: var(--text-primary);
    font-weight: 600;
}

.cta-group {
    display: flex;
    gap: 20px;
}

/* BUTTONS */
.btn {
    padding: 12px 28px;
    border-radius: 5px;
    font-weight: 500;
    font-size: 1rem;
    cursor: pointer;
    display: inline-block;
}

.btn-primary {
    background-color: var(--accent);
    color: var(--bg-color);
    border: 1px solid var(--accent);
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    border-color: var(--accent-hover);
}

.btn-outline {
    background-color: transparent;
    border: 1px solid var(--text-secondary);
    color: var(--text-primary);
}

.btn-outline:hover {
    border-color: var(--accent);
    color: var(--accent);
}

/* --- SECTIONS --- */
.section {
    padding: 100px 0;
}

.section-title {
    font-size: 2rem;
    margin-bottom: 50px;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    width: 40%;
    height: 3px;
    background-color: var(--accent);
    bottom: -10px;
    left: 0;
}

/* --- PROJECTS --- */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.project-card {
    background-color: var(--card-bg);
    border-radius: 10px;
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid rgba(255,255,255,0.05);
}

.project-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent);
    box-shadow: 0 10px 30px -15px rgba(0,0,0,0.5);
}

.project-image {
    width: 100%;
    height: 220px;
    overflow: hidden;
    background-color: #000;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.project-content {
    padding: 25px;
}

.project-content h4 {
    font-size: 1.25rem;
    margin-bottom: 10px;
}

.project-content p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 20px;
}

.tags {
    display: flex;
    gap: 10px;
    margin-bottom: 25px;
    flex-wrap: wrap;
}

.tags li {
    font-size: 0.75rem;
    font-family: monospace;
    color: var(--accent);
    background-color: rgba(56, 189, 248, 0.1);
    padding: 4px 10px;
    border-radius: 50px;
}

.link-arrow {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-weight: 600;
    font-size: 0.9rem;
}

.link-arrow:hover {
    color: var(--accent);
    gap: 10px; /* Pfeil bewegt sich */
}

/* --- CONTACT --- */
.contact-section {
    text-align: center;
    padding-bottom: 150px;
}

.contact-section p {
    color: var(--text-secondary);
    margin-bottom: 30px;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.mail-link {
    font-size: clamp(1.5rem, 4vw, 3rem);
    font-weight: 700;
    color: var(--text-primary);
    position: relative;
}

.mail-link:hover {
    color: var(--accent);
}

/* --- FOOTER --- */
footer {
    padding: 40px 0;
    border-top: 1px solid rgba(255,255,255,0.05);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

footer .container {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 20px;
}

.legal a {
    margin-left: 20px;
}

.legal a:hover {
    color: var(--accent);
}

/* --- RESPONSIVE --- */
@media (max-width: 768px) {
    .hero {
        text-align: center;
        justify-content: center;
    }
    
    .tech-stack {
        margin-left: auto;
        margin-right: auto;
    }

    .cta-group {
        justify-content: center;
    }

    .nav-links {
        display: none; /* Für Mobile vereinfacht ausgeblendet, alternativ Hamburger Menu */
    }
    
    .navbar {
        justify-content: center;
    }
    
    footer .container {
        flex-direction: column;
        text-align: center;
    }
    
    .legal a {
        margin: 0 10px;
    }
}