/* Features Page Specific Styles */

.page-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 120px 0 60px;
    text-align: center;
    color: white;
}

.page-header h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    animation: fadeIn 0.8s ease-out;
}

.page-header .lead {
    font-size: 1.25rem;
    opacity: 0.9;
    animation: fadeIn 0.8s ease-out 0.2s both;
}

/* Main Features Section */
.main-features {
    padding: 80px 0;
    background: white;
}

.features-showcase {
    margin-top: 3rem;
}

.feature-block {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    margin-bottom: 5rem;
    padding: 3rem;
    background: white;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.feature-block:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.feature-block.reverse {
    grid-template-columns: 1fr 1fr;
}

.feature-block.reverse .feature-visual {
    order: -1;
}

.feature-icon-large {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 2rem;
}

.feature-icon-large i {
    font-size: 2.5rem;
    color: white;
}

.feature-content h3 {
    color: var(--dark-color);
    font-size: 2rem;
    margin-bottom: 1rem;
}

.feature-content p {
    color: var(--gray-medium);
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 2rem;
}

.feature-list {
    list-style: none;
}

.feature-list li {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
    color: var(--gray-medium);
}

.feature-list li i {
    color: var(--secondary-color);
    margin-right: 1rem;
    font-size: 1.2rem;
}

.feature-visual img {
    width: 100%;
    border-radius: 15px;
    box-shadow: var(--shadow-lg);
}

/* Additional Features Grid */
.additional-features {
    background: var(--light-color);
    padding: 80px 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background: white;
    padding: 2.5rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-primary);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.feature-card-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #667eea20 0%, #764ba220 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.feature-card-icon i {
    font-size: 2rem;
    color: var(--primary-color);
}

.feature-card h4 {
    color: var(--dark-color);
    margin-bottom: 1rem;
}

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

/* AI Technology Section */
.ai-technology {
    background: white;
    padding: 80px 0;
}

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

.tech-item {
    text-align: center;
    transition: var(--transition);
}

.tech-item:hover {
    transform: translateY(-10px);
}

.tech-item img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    border-radius: 15px;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-md);
}

.tech-item h3 {
    color: var(--dark-color);
    margin-bottom: 1rem;
}

.tech-item p {
    color: var(--gray-medium);
    line-height: 1.6;
}

/* Security Features */
.security-features {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    padding: 80px 0;
}

.security-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.security-item {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.security-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.security-item i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.security-item h4 {
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

.security-item p {
    color: var(--gray-medium);
    font-size: 0.95rem;
}

/* App Screenshots */
.app-screenshots {
    background: white;
    padding: 80px 0;
}

.screenshots-carousel {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 3rem;
    overflow-x: auto;
    padding: 2rem 0;
}

.screenshot-item {
    flex-shrink: 0;
    text-align: center;
}

.screenshot-item img {
    width: 250px;
    height: 500px;
    object-fit: cover;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
}

.screenshot-item:hover img {
    transform: scale(1.05);
    box-shadow: var(--shadow-xl);
}

.screenshot-item p {
    margin-top: 1rem;
    color: var(--gray-medium);
    font-weight: 500;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .feature-block {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .feature-block.reverse .feature-visual {
        order: 0;
    }
}

@media (max-width: 768px) {
    .page-header h1 {
        font-size: 2rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .tech-showcase {
        grid-template-columns: 1fr;
    }
    
    .security-grid {
        grid-template-columns: 1fr;
    }
    
    .screenshots-carousel {
        justify-content: flex-start;
    }
    
    .feature-content h3 {
        font-size: 1.5rem;
    }
    
    .feature-block {
        padding: 2rem;
    }
}

/* Animation Classes */
.feature-block,
.feature-card,
.tech-item,
.security-item {
    opacity: 0;
    transform: translateY(30px);
}

.feature-block.visible,
.feature-card.visible,
.tech-item.visible,
.security-item.visible {
    opacity: 1;
    transform: translateY(0);
    transition: all 0.6s ease-out;
}

/* Loading States */
.feature-loading {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 200px;
}

.feature-loading::after {
    content: '';
    width: 50px;
    height: 50px;
    border: 5px solid var(--gray-light);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* Interactive Elements */
.feature-interactive {
    cursor: pointer;
    position: relative;
}

.feature-interactive::after {
    content: 'Klicken für Details';
    position: absolute;
    bottom: -30px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--dark-color);
    color: white;
    padding: 5px 10px;
    border-radius: 5px;
    font-size: 0.8rem;
    opacity: 0;
    transition: opacity 0.3s;
    pointer-events: none;
}

.feature-interactive:hover::after {
    opacity: 1;
}