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

:root {
    --primary-purple: #6366f1;
    --primary-dark: #4f46e5;
    --purple-light: #a5b4fc;
    --background-dark: #0f172a;
    --background-card: #1e293b;
    --background-section: #334155;
    --text-primary: #ffffff;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --accent-blue: #3b82f6;
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    --gradient-secondary: linear-gradient(135deg, #3b82f6 0%, #6366f1 100%);
}

html {
    scroll-behavior: smooth;
    overflow-y: scroll;
}

body {
    font-family: 'Inter', sans-serif;
    background: var(--background-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    padding-top: 65px;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    /* Platz für den fixierten Header */
}

main {
    flex: 1 0 auto;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Header */
header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(99, 102, 241, 0.2);
    transition: all 0.3s ease;
}

.header-content {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 1rem 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
    gap: 3rem;
    position: relative;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--text-primary);
    text-decoration: none;
    transition: all 0.3s ease;
}

.logo:hover {
    transform: translateY(-1px);
}

.desktop-nav {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.desktop-nav a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    position: relative;
}

.desktop-nav a.btn {
    color: #ffffff !important;
}

.desktop-nav a:not(.btn):hover {
    color: var(--text-primary);
    background: rgba(99, 102, 241, 0.1);
}

.btn {
    background: var(--gradient-primary);
    color: #ffffff !important;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s ease;
}

.btn:hover {
    color: #ffffff !important;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(99, 102, 241, 0.3);
}

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

.btn.outline:hover {
    background: var(--primary-purple);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(99, 102, 241, 0.3);
}

.btn-desktop-highlight {
    background: var(--gradient-primary);
    color: #ffffff !important;
}

.btn-mobile-highlight {
    display: none;
    background: var(--gradient-primary);
    color: #ffffff !important;
    padding: 0.6rem 1.2rem;
    font-size: 0.9rem;
    position: absolute;
    right: 4rem;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    position: absolute;
    right: 1.5rem;
}

.menu-toggle:hover {
    background: rgba(99, 102, 241, 0.1);
}

.mobile-drawer {
    display: none;
    flex-direction: column;
    align-items: center;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(30, 41, 59, 0.95);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    z-index: 999;
    border-bottom: 1px solid rgba(99, 102, 241, 0.2);
}

.mobile-drawer.active {
    display: flex;
}

.mobile-drawer a {
    color: var(--text-secondary);
    text-decoration: none;
    margin: 0.5rem 0;
    padding: 0.75rem 1rem;
    width: 80%;
    text-align: center;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.mobile-drawer a:hover {
    background: rgba(99, 102, 241, 0.1);
    color: var(--text-primary);
}

/* Hero Section */
.hero {
    padding: 8rem 0 6rem 0;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><radialGradient id="gradient" cx="50%" cy="50%" r="50%"><stop offset="0%" stop-color="%236366f1" stop-opacity="0.1"/><stop offset="100%" stop-color="%236366f1" stop-opacity="0"/></radialGradient></defs><circle cx="50" cy="50" r="50" fill="url(%23gradient)"/></svg>') center/cover;
    opacity: 0.5;
}

.hero-content {
    text-align: center;
    position: relative;
    z-index: 2;
}

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

.hero .tagline {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-weight: 500;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 3rem;
}

.app-preview {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    margin-top: 3rem;
}

.phone-mockup {
    width: 300px;
    height: auto;
    filter: drop-shadow(0 20px 40px rgba(99, 102, 241, 0.3));
    transform: perspective(1000px) rotateY(-15deg);
    transition: all 0.3s ease;
}

.phone-mockup:hover {
    transform: perspective(1000px) rotateY(0deg) translateY(-10px);
}

/* Content Sections */
.content-section {
    padding: 6rem 0;
    position: relative;
}

.content-section:nth-child(even) {
    background: var(--background-card);
}

.section-header {
    text-align: center;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.section-header .subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin: 0 auto 1rem;
}

.content-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.content-text h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.content-text p {
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.video-wrapper {
    position: relative;
    max-width: 960px;
    margin: 2rem auto 0 auto;
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid rgba(99, 102, 241, 0.2);
    box-shadow: 0 20px 40px rgba(99, 102, 241, 0.1);
}

.promo-video {
    display: block;
    width: 100%;
    height: auto;
    background: #000;
}

.feature-card {
    background: var(--background-card);
    padding: 2rem;
    border-radius: 16px;
    border: 1px solid rgba(99, 102, 241, 0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(99, 102, 241, 0.1);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.feature-card h4 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Team Section */
.team-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 1rem;
}

.team-member {
    background: var(--background-card);
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid rgba(99, 102, 241, 0.1);
    transition: all 0.3s ease;
}

.team-member:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(99, 102, 241, 0.1);
}

.team-photo {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 16px 16px 0 0;
}

.team-member-image {
    width: 100%;
    height: 250px;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
}

.team-member-info {
    padding: 2rem;
    text-align: center;
}

.team-member-name {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.team-member-role {
    color: var(--primary-purple);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.team-member-linkedin {
    display: inline-block;
    background: var(--gradient-primary);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s ease;
    margin: 0.25rem;
}

.team-member-linkedin:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(99, 102, 241, 0.3);
}

/* Footer */
footer {
    background: var(--background-dark);
    padding: 3rem 0;
    text-align: center;
    border-top: 1px solid rgba(99, 102, 241, 0.1);
}

.legal-notice {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 1.5rem;
    color: var(--text-muted);
    line-height: 1.6;
}

.funding-logo {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(99, 102, 241, 0.1);
    display: flex;
    justify-content: center;
    align-items: center;
}

.funding-logo img {
    max-width: 100%;
    height: auto;
    max-height: 240px;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.funding-logo img:hover {
    opacity: 1;
}

/* Responsive Design */
@media (max-width: 768px) {
    .header-content {
        justify-content: flex-start;
        gap: 0;
    }

    .logo {
        z-index: 10;
    }

    .desktop-nav {
        display: none;
    }

    .btn-mobile-highlight {
        display: inline-block;
        margin-left: auto;
        margin-right: 1rem;
        position: static;
        right: auto;
    }

    .menu-toggle {
        display: block;
        position: static;
        right: auto;
    }

    .hero {
        padding: 6rem 0 4rem 0;
    }

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

    .hero .tagline {
        font-size: 1.1rem;
    }

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

    .phone-mockup {
        width: 250px;
        transform: none;
    }

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

    .section-header h2 {
        font-size: 2rem;
    }

    .content-section {
        padding: 4rem 0;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .team-container {
        grid-template-columns: 1fr;
    }

    .funding-logo img {
        max-height: 180px;
    }
}