/* Reset und Basisstile */
:root {
    --primary-color: #8b5cf6;
    --secondary-color: #7c3aed;
    --accent-color: #a855f7;
    --text-color: #333;
    --light-gray: #f3f4f6;
    --dark-gray: #4b5563;
    --white: #ffffff;
    --max-width: 1200px;
    --border-radius: 8px;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    overflow-x: hidden;
}

/* Header und Navigation */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: var(--white);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    z-index: 1000;
}

.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
}

.logo {
    height: 40px;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-img {
    height: 100%;
    width: auto;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: color 0.3s ease;
}

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

.mobile-menu {
    display: none;
}

/* Hero Sektion */
.hero {
    padding: 8rem 2rem 4rem;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4rem;
}

.hero-content {
    flex: 1;
    max-width: 600px;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-text {
    font-size: 1.5rem;
    color: var(--dark-gray);
    margin-bottom: 2rem;
}

.hero-image {
    flex: 1;
    max-width: 350px;
}

.app-preview {
    width: 80%;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    margin: 0 auto;
    display: block;
}

/* CTA Buttons */
.cta-buttons {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    text-decoration: none;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.cta-button.primary {
    background-color: var(--primary-color);
    color: var(--white);
}

.cta-button.secondary {
    background-color: var(--white);
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

/* Features Sektion */
.features {
    padding: 6rem 2rem;
    background-color: var(--white);
}

.features h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 4rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: var(--max-width);
    margin: 0 auto;
}

.feature-card {
    padding: 2rem;
    border-radius: var(--border-radius);
    background-color: var(--light-gray);
    text-align: center;
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.feature-card h3 {
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

/* Benefits Sektion */
.benefits {
    padding: 6rem 2rem;
    background-color: var(--light-gray);
}

.benefits h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 4rem;
}

.benefits-container {
    max-width: var(--max-width);
    margin: 0 auto;
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: 4rem;
    margin-bottom: 4rem;
}

.benefit-content {
    flex: 1;
}

.benefit-image {
    flex: 1;
    max-width: 500px;
    width: 100%;
    height: auto;
    border-radius: var(--border-radius);
    object-fit: contain;
}

.benefit-list {
    list-style: none;
    margin-top: 1rem;
}

.benefit-list li {
    margin-bottom: 0.5rem;
    padding-left: 1.5rem;
    position: relative;
}

.benefit-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

/* Download Sektion */
.download {
    padding: 6rem 2rem;
    background-color: var(--primary-color);
    color: var(--white);
    text-align: center;
}

.download-content {
    max-width: var(--max-width);
    margin: 0 auto;
}

.store-buttons {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 2rem;
}

.store-button img {
    height: 50px;
    transition: transform 0.3s ease;
}

.store-button:hover img {
    transform: scale(1.05);
}

/* Kontakt Sektion */
.contact {
    padding: 6rem 2rem;
    background-color: var(--white);
}

.contact h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 4rem;
}

.contact-container {
    max-width: 600px;
    margin: 0 auto;
}

.contact-form {
    display: grid;
    gap: 1.5rem;
}

.form-group {
    display: grid;
    gap: 0.5rem;
}

.form-group label {
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    padding: 0.75rem;
    border: 1px solid var(--dark-gray);
    border-radius: var(--border-radius);
    font-family: inherit;
}

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

.submit-button {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 1rem 2rem;
    border: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.submit-button:hover {
    background-color: var(--secondary-color);
}

/* Footer */
.footer {
    background-color: var(--dark-gray);
    color: var(--white);
    padding: 4rem 2rem 2rem;
}

.footer-content {
    max-width: var(--max-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.footer-section h4 {
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: var(--white);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    font-size: 1.5rem;
}

.footer-bottom {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    text-align: center;
}

/* Legal Pages Styles */
.legal-page {
    padding: 6rem 2rem 4rem;
    background-color: var(--white);
    min-height: 100vh;
}

.legal-container {
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.6;
}

.legal-container h1 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 2rem;
    text-align: center;
}

.legal-container h2 {
    font-size: 1.5rem;
    color: var(--secondary-color);
    margin: 2rem 0 1rem 0;
    border-bottom: 2px solid var(--light-gray);
    padding-bottom: 0.5rem;
}

.legal-container p {
    margin-bottom: 1rem;
    color: var(--text-color);
}

.legal-container ul {
    margin-bottom: 1rem;
    padding-left: 2rem;
}

.legal-container li {
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.legal-container a {
    color: var(--primary-color);
    text-decoration: underline;
}

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

.privacy-highlight {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius);
    margin: 2rem 0;
    text-align: center;
}

.privacy-highlight h2 {
    color: var(--white);
    border-bottom: none;
    margin-bottom: 1rem;
    font-size: 1.8rem;
}

.privacy-highlight i {
    margin-right: 0.5rem;
}

.privacy-summary {
    background-color: var(--light-gray);
    padding: 2rem;
    border-radius: var(--border-radius);
    margin: 2rem 0;
    border-left: 4px solid var(--primary-color);
}

.privacy-summary h2 {
    color: var(--primary-color);
    border-bottom: none;
    margin-bottom: 1rem;
}

.privacy-summary i {
    margin-right: 0.5rem;
}

.privacy-summary ul {
    list-style: none;
    padding-left: 0;
}

.privacy-summary li {
    margin-bottom: 0.5rem;
    padding-left: 0;
}

.back-link {
    text-align: center;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--light-gray);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: white;
        flex-direction: column;
        padding: 1rem 0;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        border-top: 1px solid var(--light-gray);
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links li {
        margin: 0;
        text-align: center;
    }

    .nav-links a {
        display: block;
        padding: 1rem 2rem;
        border-bottom: 1px solid var(--light-gray);
        transition: background-color 0.3s ease;
    }

    .nav-links a:hover {
        background-color: #f8f9fa;
    }

    .nav-links li:last-child a {
        border-bottom: none;
    }

    .mobile-menu {
        display: block;
        width: 30px;
        height: 20px;
        position: relative;
        background: none;
        border: none;
        cursor: pointer;
    }

    .mobile-menu span {
        display: block;
        width: 100%;
        height: 2px;
        background-color: var(--text-color);
        position: absolute;
        transition: transform 0.3s ease;
    }

    .mobile-menu span:first-child {
        top: 0;
    }

    .mobile-menu span:nth-child(2) {
        top: 50%;
        transform: translateY(-50%);
    }

    .mobile-menu span:last-child {
        bottom: 0;
    }

    .hero {
        flex-direction: column;
        text-align: center;
        padding-top: 6rem;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero-text {
        font-size: 1.2rem;
    }

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

    .benefit-item {
        flex-direction: column;
        text-align: center;
        gap: 2rem;
    }

    .benefit-image {
        max-width: 100%;
        width: auto;
        height: auto;
        max-height: 300px;
        object-fit: contain;
    }

    .benefit-list {
        text-align: left;
        display: inline-block;
    }

    .benefit-list li {
        padding-left: 1.2rem;
    }

    .benefit-list li::before {
        left: 0;
    }

    .store-buttons {
        flex-direction: column;
        align-items: center;
    }
}