/* Buchmoment Index Page Styles */
/* Diese Datei enthält alle Styles für die Startseite */

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #2d3748;
    overflow-x: hidden;
}

/* Header & Navigation */
.header {
    position: relative;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    overflow: hidden;
}

    .header::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"><circle cx="25" cy="25" r="2" fill="white" opacity="0.1"/><circle cx="75" cy="75" r="1" fill="white" opacity="0.1"/><circle cx="85" cy="25" r="1.5" fill="white" opacity="0.1"/><circle cx="15" cy="85" r="1" fill="white" opacity="0.1"/></svg>');
        animation: float 20s infinite linear;
    }

@keyframes float {
    0% {
        transform: translateY(0px) rotate(0deg);
    }

    100% {
        transform: translateY(-100px) rotate(360deg);
    }
}

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 15px 20px;
    box-shadow: 0 2px 20px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

    .nav.scrolled {
        background: rgba(255, 255, 255, 0.98);
        box-shadow: 0 4px 30px rgba(0,0,0,0.15);
    }

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav-links {
    display: flex;
    gap: 30px;
    list-style: none;
}

    .nav-links a {
        text-decoration: none;
        color: #4a5568;
        font-weight: 500;
        transition: all 0.3s ease;
        position: relative;
    }

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

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary-color);
            transition: width 0.3s ease;
        }

        .nav-links a:hover::after {
            width: 100%;
        }

.nav-cta {
    background: var(--primary-color);
    color: white;
    padding: 8px 16px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

    .nav-cta:hover {
        background: var(--primary-dark);
        transform: translateY(-1px);
    }

/* Hero Section */
.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    padding: 20px;
}

.beta-badge {
    background: rgba(255, 193, 7, 0.9);
    color: #856404;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 20px;
    display: inline-block;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.05);
    }
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    text-shadow: 0 4px 20px rgba(0,0,0,0.3);
    animation: slideUp 1s ease-out;
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 40px;
    opacity: 0.95;
    animation: slideUp 1s ease-out 0.2s both;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    animation: slideUp 1s ease-out 0.4s both;
}

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Buttons */
.btn {
    padding: 15px 30px;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: all 0.3s ease;
    font-size: 16px;
    position: relative;
    overflow: hidden;
}

    .btn::before {
        content: '';
        position: absolute;
        top: 0;
        left: -100%;
        width: 100%;
        height: 100%;
        background: rgba(255,255,255,0.2);
        transition: left 0.5s ease;
    }

    .btn:hover::before {
        left: 100%;
    }

.btn-primary {
    background: white;
    color: var(--primary-color);
    box-shadow: 0 8px 25px rgba(255,255,255,0.3);
}

    .btn-primary:hover {
        transform: translateY(-3px);
        box-shadow: 0 12px 35px rgba(255,255,255,0.4);
    }

.btn-secondary {
    background: rgba(255,255,255,0.15);
    color: white;
    border: 2px solid white;
    backdrop-filter: blur(10px);
}

    .btn-secondary:hover {
        background: white;
        color: var(--primary-color);
        transform: translateY(-3px);
    }

/* Features Section */
.features-section {
    padding: 100px 20px;
    background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
}

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

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-badge {
    background: var(--primary-light);
    color: var(--primary-dark);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 15px;
    display: inline-block;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1a202c;
    margin-bottom: 15px;
}

.section-subtitle {
    font-size: 1.2rem;
    color: #4a5568;
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.feature-card {
    background: white;
    border-radius: 16px;
    padding: 30px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

    .feature-card::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 4px;
        background: linear-gradient(90deg, var(--primary-color), var(--primary-dark));
    }

    .feature-card:hover {
        transform: translateY(-10px);
        box-shadow: 0 20px 60px rgba(0,0,0,0.15);
    }

.feature-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.feature-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1a202c;
    margin-bottom: 12px;
}

.feature-description {
    color: #4a5568;
    line-height: 1.7;
}

/* Scroll Animations */
.scroll-animate {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

    .scroll-animate.visible {
        opacity: 1;
        transform: translateY(0);
    }

/* Login Section */
.login-section {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    padding: 80px 20px;
}

.login-container {
    max-width: 500px;
    margin: 0 auto;
    background: white;
    border-radius: 20px;
    padding: 50px 40px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
}

.login-title {
    font-size: 2rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 10px;
    color: #1a202c;
}

.login-subtitle {
    text-align: center;
    color: #4a5568;
    margin-bottom: 30px;
}

.google-login-btn {
    width: 100%;
    padding: 15px;
    background: white;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 500;
    text-decoration: none;
    color: #2d3748;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

    .google-login-btn:hover {
        border-color: var(--primary-color);
        box-shadow: 0 4px 12px rgba(249, 119, 41, 0.15);
    }

/* Download Section */
.download-section {
    padding: 100px 20px;
    background: #1a202c;
    color: white;
    text-align: center;
}

.download-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 40px;
}

.download-btn {
    background: rgba(255,255,255,0.1);
    border: 2px solid rgba(255,255,255,0.2);
    border-radius: 16px;
    padding: 20px 30px;
    display: flex;
    align-items: center;
    gap: 15px;
    text-decoration: none;
    color: white;
    transition: all 0.3s ease;
    min-width: 250px;
    backdrop-filter: blur(10px);
    position: relative;
}

    .download-btn:hover {
        background: rgba(255,255,255,0.15);
        border-color: var(--primary-color);
        transform: translateY(-5px);
    }

    .download-btn.android {
        border-color: var(--secondary-color);
    }

    .download-btn.coming-soon {
        opacity: 0.6;
        cursor: not-allowed;
    }

        .download-btn.coming-soon:hover {
            transform: none;
        }

.beta-tag {
    position: absolute;
    top: -10px;
    right: -10px;
    background: #fbbf24;
    color: #92400e;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 700;
}

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

.download-text {
    text-align: left;
}

    .download-text strong {
        display: block;
        font-size: 1.1rem;
        margin-bottom: 4px;
    }

    .download-text small {
        color: rgba(255,255,255,0.7);
    }

/* Footer */
.footer {
    background: #0f172a;
    color: white;
    padding: 60px 20px 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto 40px;
}

.footer-section h3 {
    margin-bottom: 20px;
    font-size: 1.2rem;
}

.footer-section ul {
    list-style: none;
    padding: 0;
}

    .footer-section ul li {
        margin-bottom: 10px;
    }

        .footer-section ul li a {
            color: #a0aec0;
            text-decoration: none;
            transition: color 0.3s ease;
        }

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

.footer-bottom {
    border-top: 1px solid #4a5568;
    padding-top: 30px;
    text-align: center;
    color: #a0aec0;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }

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

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

    .nav-links {
        display: none;
    }

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

    .download-btn {
        width: 100%;
        max-width: 300px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .btn {
        padding: 12px 24px;
        font-size: 14px;
    }
}