/* ============================================
   GLOBALE STILE & CSS RESET
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-light);
    background-color: var(--bg-dark);
    overflow-x: hidden;
}

/* ============================================
   FARBVARIABLEN (Dunkles Gaming-Theme)
   ============================================ */
:root {
    --primary-color: #00d4ff;
    --secondary-color: #ff006e;
    --accent-color: #7c3aed;
    --bg-dark: #0d1117;
    --bg-card: #1a1f2e;
    --text-light: #e0e0e0;
    --text-muted: #a0a0a0;
    --border-color: #2d3748;
    --success-color: #00d084;
}

/* ============================================
   LIGHT MODE FARBVARIABLEN
   ============================================ */
html.light-mode,
html.light-mode body {
    --primary-color: #0066ff;
    --secondary-color: #ff0055;
    --accent-color: #6610f2;
    --bg-dark: #f8f9fa;
    --bg-card: #ffffff;
    --text-light: #212529;
    --text-muted: #6c757d;
    --border-color: #dee2e6;
    --success-color: #00b359;
    color: #212529;
    background-color: #f8f9fa;
}

/* ============================================
   HEADER & NAVIGATION
   ============================================ */
header {
    background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-card) 100%);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 2px solid var(--primary-color);
    box-shadow: 0 4px 20px rgba(0, 212, 255, 0.1);
    backdrop-filter: blur(10px);
}

.header-container {
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.8rem;
    font-weight: bold;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 0.05em;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
}

.logo img {
    height: 44px;
    width: auto;
    max-width: 100%;
    display: block;
    object-fit: contain;
}

nav {
    position: relative;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

nav a {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
    padding: 0.5rem 0;
}

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

nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

nav a:hover::after {
    width: 100%;
}

nav ul li:has(.nav-konfigurator) {
    margin-left: auto;
}

nav ul li {
    width: auto;
}

nav ul li a {
    display: inline;
    padding: 0.5rem 0;
    background: none;
    border-radius: 0;
    transition: color 0.3s ease;
    border-left: none;
    color: var(--text-light);
}

nav ul li a:hover {
    background: none;
    border-left-color: transparent;
    color: var(--primary-color);
}

nav ul li a::after {
    display: block;
}

nav ul li a.nav-konfigurator {
    background: transparent;
    background: linear-gradient(90deg, var(--accent-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    padding: 0.6rem 1.2rem;
    border: 2px solid transparent;
    border-radius: 8px;
    font-weight: 700;
    transition: all 0.3s ease;
    position: relative;
}

nav ul li a.nav-konfigurator::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 8px;
    padding: 2px;
    background: linear-gradient(90deg, var(--accent-color), var(--secondary-color));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.3s ease;
}

nav ul li a.nav-konfigurator:hover::before {
    opacity: 1;
}

nav ul li a.nav-konfigurator:hover {
    transform: translateY(-2px);
    background: linear-gradient(90deg, var(--accent-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

nav ul li a.nav-konfigurator::after {
    display: none;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--primary-color);
    font-size: 1.5rem;
    cursor: pointer;
}

/* ============================================
   THEME TOGGLE BUTTON
   ============================================ */
.theme-toggle-btn {
    position: relative;
    border: 2px solid transparent;
    font-size: 1.3rem;
    cursor: pointer;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    background: 
        linear-gradient(90deg, var(--accent-color), var(--secondary-color)) text,
        linear-gradient(var(--bg-dark), var(--bg-dark)) padding-box,
        linear-gradient(90deg, var(--accent-color), var(--secondary-color)) border-box;
    -webkit-background-clip: text, padding-box, border-box;
    background-clip: text, padding-box, border-box;
    -webkit-text-fill-color: transparent;
}

.theme-toggle-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 0 20px rgba(138, 43, 226, 0.5);
}

@media (max-width: 768px) {
    .theme-toggle-btn {
        width: 40px;
        height: 40px;
        font-size: 1.1rem;
    }
}

/* ============================================
   HERO-BEREICH
   ============================================ */
.hero {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-card) 50%, var(--accent-color) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 2rem;
    position: relative;
    overflow: hidden;
}

.hero::before,
.hero::after {
    content: '';
    position: absolute;
    width: 1000px;
    height: 1000px;
    border-radius: 50%;
    filter: blur(100px);
    animation: float 20s ease-in-out infinite;
    opacity: 0.1;
}

.hero::before {
    top: -50%;
    right: -30%;
    background: radial-gradient(circle, var(--primary-color) 0%, transparent 70%);
}

.hero::after {
    bottom: -50%;
    left: -30%;
    background: radial-gradient(circle, var(--accent-color) 0%, transparent 70%);
    animation-delay: -10s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    25% { transform: translate(30px, -30px) rotate(5deg); }
    50% { transform: translate(-20px, 20px) rotate(-5deg); }
    75% { transform: translate(40px, 10px) rotate(3deg); }
}

.hero-content {
    position: relative;
    z-index: 10;
    max-width: 900px;
}

.hero-badge {
    display: inline-block;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid var(--primary-color);
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    color: var(--primary-color);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    animation: slideDown 0.6s ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero h1 {
    font-size: clamp(2.5rem, 8vw, 4.5rem);
    margin-bottom: 1.5rem;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: slideUp 0.8s ease-out;
    line-height: 1.4;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero .subtitle {
    font-size: clamp(1rem, 3vw, 1.4rem);
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    line-height: 1.8;
    animation: slideUp 1s ease-out;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: slideUp 1.2s ease-out;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1.2rem 2.5rem;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    color: var(--bg-dark);
    text-decoration: none;
    border: none;
    border-radius: 8px;
    font-weight: bold;
    font-size: 1.05rem;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(0, 212, 255, 0.3);
    position: relative;
    overflow: hidden;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s;
}

.cta-button:hover::before {
    left: 100%;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 25px rgba(0, 212, 255, 0.5);
}

.cta-button.secondary {
    background: linear-gradient(90deg, var(--secondary-color), var(--accent-color));
    box-shadow: 0 4px 20px rgba(255, 0, 110, 0.3);
}

.cta-button.secondary:hover {
    box-shadow: 0 6px 25px rgba(255, 0, 110, 0.5);
}

.cta-button.outline {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    box-shadow: none;
}

.cta-button.outline:hover {
    background: rgba(0, 212, 255, 0.1);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
}

/* Trust Badges unter Hero */
.trust-badges {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-top: 4rem;
    flex-wrap: wrap;
}

.trust-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.trust-item .icon {
    font-size: 2rem;
    color: var(--primary-color);
}

.trust-item strong {
    color: var(--text-light);
    display: block;
}

/* ============================================
   SEKTION-ALLGEMEIN
   ============================================ */
section {
    padding: 6rem 2rem;
    margin: 0 auto;
}

.section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    margin-bottom: 1rem;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-align: center;
}

.section-subtitle {
    text-align: center;
    color: var(--text-muted);
    margin-bottom: 4rem;
    font-size: 1.2rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* ============================================
   LEISTUNGEN-SEKTION
   ============================================ */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.service-card {
    background: var(--bg-card);
    padding: 2.5rem;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    transition: all 0.4s ease;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card:hover {
    border-color: var(--primary-color);
    box-shadow: 0 8px 30px rgba(0, 212, 255, 0.2);
    transform: translateY(-8px);
}

.service-icon {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    display: block;
    filter: drop-shadow(0 0 15px rgba(0, 212, 255, 0.3));
    transition: transform 0.3s ease;
}

.service-card:hover .service-icon {
    transform: scale(1.1);
}

.service-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.4rem;
}

.service-card p {
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.service-features {
    list-style: none;
    text-align: left;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.service-features li {
    color: var(--text-muted);
    padding: 0.3rem 0;
    font-size: 0.95rem;
}

.service-features li::before {
    content: '✓';
    color: var(--success-color);
    font-weight: bold;
    margin-right: 0.5rem;
}

/* ============================================
   FEATURES / USP SEKTION
   ============================================ */
.features-section {
    background: linear-gradient(135deg, var(--bg-card) 0%, rgba(124, 58, 237, 0.05) 100%);
    border-radius: 20px;
    padding: 4rem 2rem;
    margin: 4rem 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
    margin-top: 3rem;
}

.feature-item {
    background: var(--bg-dark);
    padding: 2rem;
    border-radius: 12px;
    border: 2px solid var(--border-color);
    transition: all 0.3s ease;
    text-align: center;
}

.feature-item:hover {
    border-color: var(--accent-color);
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(124, 58, 237, 0.2);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
}

.feature-item h4 {
    color: var(--primary-color);
    margin-bottom: 0.8rem;
    font-size: 1.2rem;
}

.feature-item p {
    color: var(--text-muted);
    line-height: 1.7;
}

/* ============================================
   STATISTIKEN
   ============================================ */
.stats-section {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.05) 0%, rgba(255, 0, 110, 0.05) 100%);
    padding: 4rem 0;
    margin: 4rem 0;
}

.stats-container {
    margin: 0 auto;
    padding: 0 2rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    text-align: center;
}

.stat-item {
    padding: 2rem;
}

.stat-number {
    font-size: 3rem;
    font-weight: bold;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-muted);
    font-size: 1.1rem;
}

/* ============================================
   PREISLISTE-SEKTION
   ============================================ */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.pricing-card {
    background: var(--bg-card);
    padding: 2.5rem;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    text-align: center;
    transition: all 0.4s ease;
    position: relative;
    display: flex;
    flex-direction: column;
}

.pricing-card.featured {
    border-color: var(--secondary-color);
    box-shadow: 0 0 30px rgba(255, 0, 110, 0.2);
    transform: scale(1.05);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(90deg, var(--secondary-color), var(--accent-color));
    color: var(--bg-dark);
    padding: 0.4rem 1.5rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: bold;
}

.pricing-card:hover {
    border-color: var(--primary-color);
    box-shadow: 0 8px 30px rgba(0, 212, 255, 0.3);
    transform: translateY(-5px);
}

.pricing-card.featured:hover {
    transform: translateY(-5px) scale(1.05);
}

.pricing-card h3 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

.price {
    font-size: 3rem;
    color: var(--secondary-color);
    font-weight: bold;
    margin: 1.5rem 0;
}

.price-note {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.pricing-features {
    list-style: none;
    text-align: left;
    margin: 1.5rem 0;
    flex-grow: 1;
}

.pricing-features li {
    color: var(--text-muted);
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-color);
}

.pricing-features li:last-child {
    border-bottom: none;
}

.pricing-features li::before {
    content: '✓';
    color: var(--success-color);
    font-weight: bold;
    margin-right: 0.5rem;
}

.pricing-disclaimer {
    background: rgba(124, 58, 237, 0.1);
    border: 2px solid var(--accent-color);
    padding: 2rem;
    border-radius: 12px;
    margin-top: 3rem;
    text-align: center;
    color: var(--text-light);
}

/* ============================================
   PROZESS-SEKTION
   ============================================ */
.process-section {
    background: var(--bg-card);
    border-radius: 20px;
    padding: 4rem 2rem;
    margin: 4rem 0;
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
    position: relative;
}

.process-step {
    text-align: center;
    position: relative;
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: var(--bg-dark);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    margin: 0 auto 1rem auto;
    box-shadow: 0 4px 15px rgba(0, 212, 255, 0.3);
}

.process-step h4 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.process-step p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* ============================================
   KONTAKT-SEKTION
   ============================================ */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-top: 3rem;
}

.contact-info {
    background: var(--bg-card);
    padding: 2.5rem;
    border-radius: 12px;
    border: 2px solid var(--border-color);
}

.contact-info h3 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

.contact-item {
    display: flex;
    align-items: start;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.contact-item .icon {
    font-size: 1.5rem;
    color: var(--primary-color);
    min-width: 30px;
}

.contact-item div {
    flex: 1;
}

.contact-item strong {
    display: block;
    color: var(--text-light);
    margin-bottom: 0.3rem;
}

.contact-item p {
    color: var(--text-muted);
    margin: 0;
}

.contact-section {
    background: var(--bg-card);
    padding: 2.5rem;
    border-radius: 12px;
    border: 2px solid var(--border-color);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
    font-weight: 600;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-light);
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

/* ============================================
   HONEYPOT SPAM-SCHUTZ
   ============================================ */
.hp {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

/* ============================================
   FORM MESSAGE STYLING
   ============================================ */
.form-message {
    padding: 1rem;
    border-radius: 8px;
    margin-top: 1rem;
    font-weight: 500;
    animation: slideDown 0.3s ease-out;
}

.form-message.success {
    background-color: rgba(0, 208, 132, 0.1);
    color: var(--success-color);
    border: 1px solid var(--success-color);
}

.form-message.error {
    background-color: rgba(255, 0, 85, 0.1);
    color: var(--secondary-color);
    border: 1px solid var(--secondary-color);
}

.form-message.info {
    background-color: rgba(124, 58, 237, 0.1);
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
}

.form-message.hidden {
    display: none;
}

.contact-notice {
    background: rgba(255, 0, 110, 0.1);
    border: 1px solid var(--secondary-color);
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.submit-btn {
    width: 100%;
    padding: 1.2rem;
    background: linear-gradient(90deg, var(--accent-color), var(--secondary-color));
    color: white;
    border: none;
    border-radius: 8px;
    font-weight: bold;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(124, 58, 237, 0.3);
}

.submit-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(124, 58, 237, 0.5);
}

.submit-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
    pointer-events: none;
}

.btn:disabled,
        .btn.disabled {
            opacity: 0.5 !important;
            cursor: not-allowed !important;
            pointer-events: none !important;
            transform: none !important;
        }

/* ============================================
   FOOTER
   ============================================ */
footer {
    background: var(--bg-card);
    border-top: 2px solid var(--border-color);
    padding: 4rem 2rem 2rem 2rem;
    margin-top: 4rem;
}

.footer-content {
    margin: 0 auto;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-section h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.footer-section p,
.footer-section a {
    color: var(--text-muted);
    text-decoration: none;
    display: block;
    margin-bottom: 0.5rem;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: var(--primary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 0.9rem;
}

.footer-bottom p {
    margin: 0.5rem 0;
}

/* ============================================
   SCROLL TO TOP BUTTON
   ============================================ */
.scroll-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: var(--bg-dark);
    border: none;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 212, 255, 0.3);
    z-index: 99;
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 212, 255, 0.5);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 1024px) {
    .contact-wrapper {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    nav {
        position: fixed;
        top: 100%;
        left: 0;
        right: 0;
        bottom: 0;
        width: 100%;
        height: 100vh;
        background: var(--bg-dark);
        z-index: 100;
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }

    nav.active {
        transform: translateX(0);
    }

    nav::before {
        content: '';
        position: fixed;
        top: 100%;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: -1;
        transition: opacity 0.3s ease;
        opacity: 0;
        pointer-events: none;
    }

    nav.active::before {
        opacity: 1;
        pointer-events: all;
    }

    nav ul {
        display: flex !important;
        flex-direction: column;
        position: static;
        background: none;
        padding: 2rem 1rem;
        gap: 0;
        border-bottom: none;
        box-shadow: none;
        z-index: auto;
        width: 100%;
        max-height: none;
        overflow: visible;
    }

    nav ul.active {
        display: flex !important;
    }

    nav ul li {
        width: 100%;
        margin-bottom: 0;
    }

    nav ul li a {
        display: block;
        padding: 1.5rem 1.5rem;
        background: rgba(0, 212, 255, 0.05);
        border-radius: 8px;
        transition: all 0.3s ease;
        border-left: 4px solid transparent;
        color: var(--text-light);
        margin-bottom: 0.8rem;
        font-size: 1.1rem;
    }

    nav ul li a:hover {
        background: rgba(0, 212, 255, 0.15);
        padding-left: 2rem;
        border-left-color: var(--primary-color);
        color: var(--primary-color);
    }

    nav ul li a::after {
        display: none;
    }

    nav ul li a.nav-konfigurator {
        background: linear-gradient(90deg, var(--accent-color), var(--secondary-color));
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
        border-left: 4px solid var(--accent-color);
        font-weight: 700;
        font-size: 1.15rem;
        box-shadow: 0 4px 15px rgba(124, 58, 237, 0.3);
        color: var(--primary-color);
    }

    nav ul li a.nav-konfigurator:hover {
        border-left-color: var(--secondary-color);
        transform: translateX(5px);
        color: var(--primary-color);
    }

    .mobile-menu-btn {
        display: block;
        z-index: 102;
    }

    .header-container {
        padding: 0 1rem;
    }

    section {
        padding: 3rem 1rem;
    }

    .hero {
        min-height: auto;
        padding: 3rem 1rem;
    }

    .hero h1 {
        font-size: 1.8rem;
    }

    .hero .subtitle {
        font-size: 1rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }

    .cta-button {
        width: 100%;
        justify-content: center;
        padding: 1rem 1.5rem;
        font-size: 0.95rem;
    }

    .cta-button span:last-child {
        display: inline;
    }

    .cta-button span:first-child {
        font-size: 1.2rem;
    }

    .trust-badges {
        gap: 1rem;
        flex-direction: column;
        align-items: center;
    }

    .trust-item {
        font-size: 0.85rem;
        min-width: 100%;
    }

    .services-grid,
    .features-grid,
    .pricing-grid,
    .process-steps,
    .stats-grid {
        grid-template-columns: 1fr;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .section-subtitle {
        font-size: 1rem;
    }

    .pricing-card.featured {
        transform: scale(1);
    }

    .pricing-card.featured:hover {
        transform: translateY(-5px) scale(1);
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .scroll-top {
        bottom: 1rem;
        right: 1rem;
        width: 45px;
        height: 45px;
        font-size: 1.3rem;
    }

    .service-card {
        padding: 1.5rem;
    }

    .service-icon {
        font-size: 2.5rem;
    }

    .feature-item {
        padding: 1.5rem;
    }

    .form-group input,
    .form-group textarea {
        padding: 0.8rem;
        font-size: 16px;
    }

    .pricing-disclaimer {
        padding: 1.5rem;
        font-size: 0.85rem;
    }

    .stat-number {
        font-size: 2.5rem;
    }

    .process-step {
        margin-bottom: 1.5rem;
    }

    .contact-notice {
        font-size: 0.9rem;
        padding: 0.8rem;
    }
}

@media (max-width: 480px) {
    .logo {
        font-size: 1.2rem;
    }

    .logo::before {
        font-size: 1.5rem;
    }

    .mobile-menu-btn {
        font-size: 1.3rem;
    }

    .header-container {
        padding: 0 0.5rem;
    }

    section {
        padding: 2rem 0.5rem;
    }

    .hero {
        padding: 2rem 0.5rem;
    }

    .hero-badge {
        font-size: 0.8rem;
        padding: 0.3rem 1rem;
    }

    .hero h1 {
        font-size: 1.5rem;
        margin-bottom: 1rem;
    }

    .hero .subtitle {
        font-size: 0.9rem;
        margin-bottom: 1.5rem;
    }

    .hero-buttons {
        gap: 0.5rem;
    }

    .cta-button {
        padding: 0.8rem 1rem;
        font-size: 0.85rem;
        gap: 0.3rem;
    }

    .cta-button span:last-child {
        display: inline;
    }

    .cta-button span:first-child {
        font-size: 1.2rem;
    }

    .trust-badges {
        gap: 0.5rem;
    }

    .trust-item {
        font-size: 0.75rem;
        gap: 0.3rem;
    }

    .trust-item .icon {
        font-size: 1.5rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .section-subtitle {
        font-size: 0.9rem;
    }

    .service-card,
    .feature-item,
    .pricing-card {
        padding: 1.2rem;
    }

    .service-icon {
        font-size: 2rem;
    }

    .service-card h3,
    .feature-item h4,
    .pricing-card h3 {
        font-size: 1.2rem;
    }

    .service-card p,
    .feature-item p {
        font-size: 0.9rem;
    }

    .price {
        font-size: 2rem;
    }

    .price-note {
        font-size: 0.8rem;
    }

    .pricing-features li,
    .service-features li {
        font-size: 0.85rem;
        padding: 0.3rem 0;
    }

    .stat-number {
        font-size: 2rem;
    }

    .stat-label {
        font-size: 0.9rem;
    }

    .contact-info h3,
    .contact-section > div:first-child h3 {
        font-size: 1.3rem;
    }

    .contact-item .icon {
        font-size: 1.3rem;
    }

    .contact-item strong {
        font-size: 0.95rem;
    }

    .contact-item p {
        font-size: 0.85rem;
    }

    .form-group label {
        font-size: 0.95rem;
    }

    .form-group input,
    .form-group textarea {
        padding: 0.7rem;
        font-size: 16px;
    }

    .submit-btn {
        padding: 0.9rem;
        font-size: 1rem;
    }

    .footer-section h4 {
        font-size: 1rem;
    }

    .footer-section p,
    .footer-section a {
        font-size: 0.85rem;
    }

    .footer-bottom p {
        font-size: 0.8rem;
    }

    .scroll-top {
        bottom: 0.8rem;
        right: 0.8rem;
        width: 40px;
        height: 40px;
        font-size: 1.1rem;
    }

    .process-step {
        margin-bottom: 1rem;
    }

    .step-number {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }

    .process-step h4 {
        font-size: 1rem;
    }

    .process-step p {
        font-size: 0.85rem;
    }

    .contact-notice {
        font-size: 0.8rem;
        padding: 0.7rem;
    }

    .pricing-disclaimer {
        padding: 1.2rem;
        font-size: 0.8rem;
    }
}

/* ============================================
           CUSTOM CHECKBOX STYLING (DSGVO)
           ============================================ */
        .form-group input[type="checkbox"] {
            appearance: none;
            -webkit-appearance: none;
            width: 20px;
            height: 20px;
            border: 2px solid var(--border-color);
            border-radius: 4px;
            background: var(--bg-dark);
            cursor: pointer;
            position: relative;
            transition: all 0.3s ease;
            flex-shrink: 0;
        }

        .form-group input[type="checkbox"]:hover {
            border-color: var(--primary-color);
            box-shadow: 0 0 10px rgba(0, 212, 255, 0.2);
        }

        .form-group input[type="checkbox"]:checked {
            background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
            border-color: var(--primary-color);
        }

        .form-group input[type="checkbox"]:checked::after {
            content: '✓';
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            color: #000;
            font-weight: bold;
            font-size: 14px;
        }

        .form-group input[type="checkbox"]:focus {
            outline: none;
            border-color: var(--primary-color);
            box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
        }