:root {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-card: #334155;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --accent: #38bdf8;
    --accent-hover: #0ea5e9;
    --border: #475569;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    font-size: 16px;
}

header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
    padding: 1rem 2rem;
}

nav {
    display: flex;
    justify-content: center;
    gap: 2rem;
    align-items: center;
    max-width: 800px;
    margin: 0 auto;
}

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

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

.lang-toggle {
    margin-left: auto;
}

.lang-toggle button {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.2s;
}

.lang-toggle button:hover {
    background: var(--bg-card);
    color: var(--accent);
}

main {
    max-width: 800px;
    margin: 0 auto;
    padding: 6rem 2rem 4rem;
}

section {
    margin-bottom: 4rem;
}

h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--accent);
}

h2 {
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    border-bottom: 2px solid var(--accent);
    padding-bottom: 0.5rem;
}

h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--accent);
}

#hero {
    text-align: center;
    padding: 3rem 0;
}

.tagline {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 2rem;
}

.badges {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.service-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    transition: all 0.2s;
}

.service-card:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
}

.service-card p {
    color: var(--text-secondary);
}

.info-box {
    background: linear-gradient(135deg, var(--bg-secondary), var(--bg-card));
    border: 1px solid var(--accent);
    border-radius: 8px;
    padding: 2rem;
    text-align: center;
}

.info-box h2 {
    border-bottom: none;
    padding-bottom: 0;
}

.info-box p {
    font-size: 1.125rem;
    color: var(--text-secondary);
}

#kontakt {
    text-align: center;
}

.cta-button {
    display: inline-block;
    background: var(--accent);
    color: var(--bg-primary);
    text-decoration: none;
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    font-weight: 600;
    margin-top: 1rem;
    transition: all 0.2s;
}

.cta-button:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
}

footer {
    text-align: center;
    padding: 2rem;
    border-top: 1px solid var(--border);
    color: var(--text-secondary);
    font-size: 0.875rem;
}

@media (max-width: 600px) {
    nav {
        flex-wrap: wrap;
        gap: 1rem;
    }

    h1 {
        font-size: 2rem;
    }

    main {
        padding: 5rem 1rem 3rem;
    }
}