/* ---------------------------------- */
/* --- DESIGN SYSTEM: NEON EDITORIAL --- */
/* ---------------------------------- */

/* --- 1. FONTS & VARIABLES --- */
@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;700&family=Inter:wght@400;500;600;700&display=swap');

:root {
    /* Color Palette */
    --primary: #0f172a;    /* Slate 900 */
    --secondary: #1e293b;  /* Slate 800 */
    --accent: #22d3ee;     /* Cyan 400 */
    --accent2: #a78bfa;    /* Violet 400 */
    --background: #020617; /* Slate 950 */
    --surface: #0f172a;
    --card: #1e293b;
    --text: #e2e8f0;       /* Slate 200 */
    --muted: #94a3b8;      /* Slate 400 */
    --highlight: #facc15;  /* Yellow 400 */
    --success: #34d399;
    --danger: #f87171;
    --border-color: rgba(34, 211, 238, 0.2);

    /* Typography */
    --font-headings: 'JetBrains Mono', monospace;
    --font-body: 'Inter', sans-serif;

    /* Spacing */
    --container-width: 1100px;
    --padding-section: 6rem;
}

/* --- 2. BASE & RESET --- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 100%;
}

body {
    background-color: var(--background);
    color: var(--text);
    font-family: var(--font-body);
    font-weight: 400;
    line-height: 1.8;
    font-size: 1.05rem;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* --- 3. TYPOGRAPHY --- */
h1, h2, h3, h4 {
    font-family: var(--font-headings);
    font-weight: 700;
    line-height: 1.2;
    color: var(--text);
}

h1 {
    font-size: 3rem;
    letter-spacing: -0.03em;
    text-transform: uppercase;
}

h2 {
    font-size: 2rem;
    letter-spacing: -0.02em;
    text-transform: uppercase;
    border-bottom: 3px solid var(--accent);
    padding-bottom: 0.5rem;
    margin-bottom: 2rem;
    display: inline-block;
}

h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--accent);
    margin-bottom: 1rem;
}

h4 {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--text);
    margin-bottom: 0.5rem;
}

p {
    margin-bottom: 1.5rem;
    max-width: 75ch;
}

p.subheading {
    font-family: var(--font-headings);
    color: var(--muted);
    margin-top: -1.5rem;
    margin-bottom: 2rem;
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--accent2);
}

ul {
    list-style: none;
}

/* --- 4. LAYOUT & HELPERS --- */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.content-section {
    padding: var(--padding-section) 0;
}

.text-center { text-align: center; }
.ascii-divider {
    font-family: var(--font-headings);
    color: var(--muted);
    opacity: 0.3;
    text-align: center;
    user-select: none;
}
.gradient-divider {
    height: 2px;
    width: 100%;
    background: linear-gradient(90deg, var(--accent), var(--accent2));
    opacity: 0.3;
}

.disclaimer {
    font-size: 0.8rem;
    color: var(--muted);
    text-align: center;
    margin-top: 2rem;
}

/* --- 5. COMPONENTS --- */

/* Buttons */
.btn {
    display: inline-block;
    font-family: var(--font-headings);
    font-weight: 500;
    text-transform: uppercase;
    padding: 0.75rem 1.5rem;
    border: 2px solid;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
    letter-spacing: 0.05em;
}
.btn-primary {
    background-color: transparent;
    border-color: var(--accent);
    color: var(--accent);
}
.btn-primary:hover {
    background-color: var(--accent);
    color: var(--background);
    box-shadow: 0 0 15px var(--accent);
}
.btn-secondary {
    background-color: transparent;
    border-color: var(--muted);
    color: var(--muted);
}
.btn-secondary:hover {
    border-color: var(--accent2);
    color: var(--accent2);
}

/* Terminal-style Box */
.terminal-box {
    background-color: var(--primary);
    border: 1px solid var(--border-color);
    padding: 1.5rem;
    border-radius: 4px;
}
.terminal-box h3 { margin-bottom: 0.5rem; font-size: 1.1rem; }
.terminal-box p { font-size: 0.95rem; line-height: 1.6; color: var(--muted); margin: 0; }
.terminal-box.wide {
    width: 100%;
    margin-top: 2rem;
}
.terminal-box pre {
    font-family: var(--font-headings);
    font-size: 1rem;
    line-height: 1.8;
    color: var(--text);
    white-space: pre-wrap;
}

/* Cards */
.info-card {
    background-color: var(--card);
    border: 1px solid var(--border-color);
    padding: 2rem;
    border-radius: 4px;
    transition: all 0.3s ease;
}
.info-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 0 20px rgba(34, 211, 238, 0.3);
    border-color: var(--accent);
}
.info-card h3 { color: var(--text); }
.info-card p { font-size: 0.9rem; color: var(--muted); margin: 0; }

/* Tables */
.table-wrapper {
    overflow-x: auto;
    margin-top: 2rem;
}
table {
    width: 100%;
    border-collapse: collapse;
    font-family: var(--font-headings);
}
th, td {
    padding: 1rem 1.5rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}
th {
    text-transform: uppercase;
    color: var(--accent);
    font-size: 0.9rem;
    letter-spacing: 0.1em;
}
td {
    color: var(--muted);
}
tbody tr:hover td {
    background-color: rgba(34, 211, 238, 0.05);
    color: var(--text);
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}
.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-family: var(--font-headings);
    color: var(--muted);
}
input[type="text"], input[type="email"], textarea, select {
    width: 100%;
    background: var(--primary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 0.75rem;
    color: var(--text);
    font-family: var(--font-body);
    font-size: 1rem;
}
input[type="text"]:focus, input[type="email"]:focus, textarea:focus, select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 10px rgba(34, 211, 238, 0.5);
}
::placeholder {
    color: var(--muted);
    opacity: 0.7;
}

/* Badges */
.badge {
    display: inline-block;
    background: linear-gradient(90deg, var(--accent), var(--accent2));
    color: var(--background);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-family: var(--font-headings);
    font-weight: 700;
    font-size: 0.9rem;
    box-shadow: 0 0 10px rgba(167, 139, 250, 0.4);
}


/* --- 6. HEADER --- */
.main-header {
    background-color: var(--primary);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    width: 100%;
}
.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.logo {
    font-family: var(--font-headings);
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--text);
    display: flex;
    align-items: center;
}
.logo-indicator {
    display: inline-block;
    width: 10px;
    height: 10px;
    background-color: var(--accent);
    border-radius: 2px;
    margin-left: 0.5rem;
    animation: blink 2s infinite;
}
@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}
.main-nav ul {
    display: flex;
    gap: 2rem;
}
.main-nav a {
    font-family: var(--font-headings);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--muted);
}
.main-nav a:hover {
    color: var(--accent);
}

/* --- 7. FOOTER --- */
.main-footer {
    background-color: var(--primary);
    padding: 4rem 0 2rem;
    border-top: 2px solid;
    border-image-slice: 1;
    border-image-source: linear-gradient(to right, var(--accent), var(--accent2));
}
.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}
.footer-col h4 {
    font-family: var(--font-headings);
    color: var(--text);
    margin-bottom: 1rem;
}
.footer-col p, .footer-col a {
    font-size: 0.9rem;
    color: var(--muted);
}
.footer-col ul li {
    margin-bottom: 0.5rem;
}
.footer-bottom {
    text-align: center;
    color: var(--muted);
    opacity: 0.5;
    font-size: 0.8rem;
}
.footer-bottom pre {
    font-family: var(--font-headings);
}

/* --- 8. SECTION STYLES --- */

/* Hero */
.hero-section {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 6rem 0;
    position: relative;
    overflow: hidden;
    background-image:
        linear-gradient(rgba(2, 6, 23, 0.9), rgba(2, 6, 23, 0.9)),
        radial-gradient(var(--primary) 1px, transparent 1px);
    background-size: 100%, 30px 30px;
}
.hero-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.05;
    z-index: -1;
}
.hero-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 50vw;
    height: 50vh;
    background: radial-gradient(circle, var(--accent) 0%, transparent 70%);
    transform: translate(-50%, -50%);
    opacity: 0.1;
    filter: blur(100px);
    animation: glow-pulse 10s infinite alternate;
}
@keyframes glow-pulse {
    from { transform: translate(-50%, -50%) scale(0.8); }
    to { transform: translate(-50%, -50%) scale(1.2); }
}
.hero-subheading {
    font-family: var(--font-headings);
    color: var(--muted);
    font-size: 1.1rem;
    max-width: 60ch;
    margin: 1.5rem auto 2.5rem;
}
.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 4rem;
}
.hero-stats {
    display: flex;
    justify-content: center;
    gap: 1px;
    background-color: var(--border-color);
    border: 1px solid var(--border-color);
    padding: 0;
}
.stat-box {
    background-color: var(--primary);
    padding: 0.75rem 1.5rem;
    font-family: var(--font-headings);
}

/* Einfuhrung */
.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 3rem;
}

/* Matrix */
.matrix-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    border: 1px solid var(--border-color);
    padding: 2rem;
    background-color: var(--primary);
}
.matrix-column h3 {
    color: var(--muted);
    font-size: 1.2rem;
}
.matrix-column ul li {
    padding-left: 1.5rem;
    position: relative;
    margin-bottom: 1rem;
    color: var(--muted);
}
.matrix-column ul li::before {
    content: '»';
    position: absolute;
    left: 0;
    color: var(--accent);
}
.matrix-column ul li strong {
    color: var(--text);
    display: block;
}

/* Freelancing */
.checklist-box {
    margin-top: 2rem;
    border-left: 3px solid var(--accent);
    padding-left: 2rem;
}
.checklist-box ul li {
    font-family: var(--font-headings);
    color: var(--text);
    margin-bottom: 0.5rem;
}

/* Kalkulator */
.calculator-wrapper {
    background: var(--primary);
    border: 1px solid var(--border-color);
    padding: 2rem;
    border-radius: 4px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}
.calculator-results {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    border-left: 1px solid var(--border-color);
    padding-left: 2rem;
}
.result-item span {
    font-family: var(--font-headings);
    color: var(--muted);
    font-size: 1rem;
}
.result-item div {
    font-family: var(--font-headings);
    font-size: 2.5rem;
    color: var(--accent);
    font-weight: 700;
}
input[type="range"] {
    -webkit-appearance: none;
    width: 100%;
    height: 3px;
    background: var(--secondary);
    outline: none;
    opacity: 0.7;
    transition: opacity .2s;
}
input[type="range"]:hover { opacity: 1; }
input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    background: var(--accent);
    cursor: pointer;
    border-radius: 2px;
}
.note-box {
    grid-column: 1 / -1;
    text-align: center;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
    font-size: 0.9rem;
    color: var(--muted);
}

/* Dividenden */
.content-split {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
    align-items: center;
    margin-bottom: 2rem;
}
.image-content img {
    width: 100%;
    height: auto;
    border-radius: 4px;
    border: 1px solid var(--border-color);
    opacity: 0.8;
}

/* Digitale Produkte */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 3rem;
}

/* Risiken */
.warning-box {
    border: 2px solid var(--danger);
    background-color: rgba(248, 113, 113, 0.1);
    padding: 2rem;
    margin-bottom: 2rem;
    border-radius: 4px;
}
.warning-box h4 {
    color: var(--danger);
    text-transform: uppercase;
}
.warning-box ul {
    list-style-type: '– ';
    padding-left: 1.5rem;
    color: var(--muted);
}

/* Testimonials */
.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 3rem;
}
.testimonial-card {
    background-color: var(--card);
    border: 1px solid var(--border-color);
    padding: 2rem;
    border-radius: 4px;
    display: flex;
    flex-direction: column;
}
.testimonial-card blockquote {
    font-style: italic;
    flex-grow: 1;
    margin-bottom: 1rem;
    color: var(--text);
    border-left: 3px solid var(--accent);
    padding-left: 1.5rem;
}
.testimonial-card cite {
    font-family: var(--font-headings);
    color: var(--muted);
    font-style: normal;
    margin-bottom: 1rem;
}

/* FAQ */
.faq-accordion {
    border: 1px solid var(--border-color);
    background-color: var(--primary);
    border-radius: 4px;
}
.faq-item {
    border-bottom: 1px solid var(--border-color);
}
.faq-item:last-child {
    border-bottom: none;
}
.faq-question {
    background: none;
    border: none;
    width: 100%;
    text-align: left;
    padding: 1.5rem;
    font-family: var(--font-headings);
    font-size: 1.1rem;
    color: var(--text);
    cursor: pointer;
    transition: color 0.3s;
}
.faq-question:hover {
    color: var(--accent);
}
.faq-question.active {
    color: var(--accent2);
}
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s ease-out;
}
.faq-answer p {
    padding: 0 1.5rem 1.5rem 1.5rem;
    color: var(--muted);
    margin: 0;
}

/* Kontakt */
.contact-wrapper {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    margin-top: 3rem;
}
.contact-details {
    font-family: var(--font-headings);
}
.contact-details p {
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--muted);
    line-height: 1.6;
}
.contact-details a {
    color: var(--muted);
}
.contact-details a:hover {
    color: var(--accent);
}

/* --- 9. ANIMATIONS --- */
.animate-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
.animate-in.is-visible {
    opacity: 1;
    transform: translateY(0);
}
h1.animate-in { transition-delay: 0.1s; }
p.hero-subheading.animate-in { transition-delay: 0.2s; }
.hero-cta.animate-in { transition-delay: 0.3s; }
.hero-stats.animate-in { transition-delay: 0.4s; }


/* --- 10. RESPONSIVE DESIGN --- */
@media (max-width: 1024px) {
    .content-split, .matrix-grid {
        grid-template-columns: 1fr;
    }
    .image-content {
        order: -1;
        max-width: 400px;
        margin: 0 auto;
    }
}
@media (max-width: 768px) {
    :root {
        --padding-section: 4rem;
    }
    h1 { font-size: 2.5rem; }
    h2 { font-size: 1.8rem; }
    .main-header .container {
        flex-direction: column;
        gap: 1rem;
    }
    .main-nav ul {
        gap: 1.5rem;
    }
    .main-header .btn { display: none; }
    .hero-cta { flex-direction: column; align-items: center; }
    .hero-stats { flex-direction: column; }
    .calculator-wrapper { grid-template-columns: 1fr; }
    .calculator-results {
        border-left: none;
        padding-left: 0;
        border-top: 1px solid var(--border-color);
        padding-top: 2rem;
        margin-top: 1rem;
        flex-direction: row;
        justify-content: space-around;
        flex-wrap: wrap;
    }
    .result-item div { font-size: 2rem; }
    .contact-wrapper { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.5rem; }
    .main-nav ul {
        gap: 1rem;
        flex-wrap: wrap;
        justify-content: center;
    }
     .main-nav a { font-size: 0.8rem; }
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
}