/**
 * Modern Glassmorphism UI Components
 * Erweiterte Glassmorphism-Effekte für die moderne Service-Page
 * Version: 2.0 - Complete Design System
 */

/* ===================================================================
   GLASSMORPHISM DESIGN TOKENS
   =================================================================== */
:root {
    /* Glassmorphism Color System */
    --glass-white: rgba(255, 255, 255, 0.1);
    --glass-white-light: rgba(255, 255, 255, 0.05);
    --glass-white-strong: rgba(255, 255, 255, 0.2);
    --glass-black: rgba(0, 0, 0, 0.1);
    --glass-black-light: rgba(0, 0, 0, 0.05);
    --glass-black-strong: rgba(0, 0, 0, 0.2);
    
    /* Border System */
    --glass-border-light: rgba(255, 255, 255, 0.1);
    --glass-border-medium: rgba(255, 255, 255, 0.2);
    --glass-border-strong: rgba(255, 255, 255, 0.3);
    
    /* Shadow System */
    --glass-shadow-light: 0 8px 32px rgba(0, 0, 0, 0.1);
    --glass-shadow-medium: 0 12px 40px rgba(0, 0, 0, 0.15);
    --glass-shadow-strong: 0 20px 60px rgba(0, 0, 0, 0.25);
    --glass-shadow-inset: inset 0 1px 0 rgba(255, 255, 255, 0.2);
    
    /* Blur System */
    --glass-blur-light: blur(10px);
    --glass-blur-medium: blur(15px);
    --glass-blur-strong: blur(25px);
    
    /* Modern Gradients */
    --gradient-primary: linear-gradient(135deg, var(--glass-white) 0%, var(--glass-white-light) 100%);
    --gradient-secondary: linear-gradient(135deg, var(--glass-black-light) 0%, var(--glass-white-light) 100%);
    --gradient-hero: linear-gradient(135deg, rgba(0,0,0,0.8) 0%, rgba(155,153,153,0.6) 50%, rgba(0,0,0,0.7) 100%);
    
    /* Animation Curves */
    --ease-glassmorphism: cubic-bezier(0.4, 0, 0.2, 1);
    --ease-smooth: cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --ease-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* ===================================================================
   BASE GLASSMORPHISM CLASSES
   =================================================================== */
.glass-container {
    background: var(--glass-white);
    backdrop-filter: var(--glass-blur-medium);
    border: 1px solid var(--glass-border-medium);
    border-radius: 20px;
    box-shadow: var(--glass-shadow-light);
    position: relative;
    overflow: hidden;
}

.glass-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--glass-border-strong), transparent);
    opacity: 0.8;
}

.glass-container-strong {
    background: var(--glass-white-strong);
    backdrop-filter: var(--glass-blur-strong);
    border: 1px solid var(--glass-border-strong);
    box-shadow: var(--glass-shadow-medium);
}

.glass-container-dark {
    background: var(--glass-black);
    backdrop-filter: var(--glass-blur-medium);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: white;
}

/* ===================================================================
   HERO SECTION GLASSMORPHISM
   =================================================================== */
.glass-hero-content {
    background: var(--glass-white);
    backdrop-filter: var(--glass-blur-strong);
    border: 1px solid var(--glass-border-medium);
    border-radius: 30px;
    padding: 3rem 2rem;
    box-shadow: var(--glass-shadow-strong);
    position: relative;
    overflow: hidden;
}

.glass-hero-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, 
        rgba(255,255,255,0.1) 0%, 
        transparent 50%, 
        rgba(255,255,255,0.05) 100%
    );
    pointer-events: none;
}

.glass-hero-title {
    background: linear-gradient(135deg, 
        rgba(255,255,255,1) 0%, 
        rgba(255,255,255,0.8) 50%,
        rgba(220,220,220,1) 100%
    );
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 2px 20px rgba(255,255,255,0.3);
}

/* ===================================================================
   CARD NAVIGATION GLASSMORPHISM
   =================================================================== */
.glass-nav-card {
    background: var(--glass-white);
    backdrop-filter: var(--glass-blur-medium);
    border: 1px solid var(--glass-border-light);
    border-radius: 24px;
    padding: 2rem;
    box-shadow: var(--glass-shadow-light);
    transition: all 0.4s var(--ease-glassmorphism);
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.glass-nav-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, 
        rgba(255,255,255,0.1) 0%, 
        transparent 50%, 
        rgba(255,255,255,0.05) 100%
    );
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.glass-nav-card:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: var(--glass-shadow-strong);
    background: var(--glass-white-strong);
    border-color: var(--glass-border-strong);
}

.glass-nav-card:hover::before {
    opacity: 1;
}

.glass-nav-card:active {
    transform: translateY(-8px) scale(0.98);
    transition: all 0.1s ease;
}

/* Card Icon Glassmorphism */
.glass-card-icon {
    background: var(--glass-white-light);
    border: 1px solid var(--glass-border-light);
    border-radius: 50%;
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-size: 2rem;
    backdrop-filter: var(--glass-blur-light);
    transition: all 0.3s var(--ease-glassmorphism);
}

.glass-nav-card:hover .glass-card-icon {
    background: var(--glass-white-strong);
    transform: rotate(10deg) scale(1.1);
    box-shadow: 0 8px 25px rgba(0,0,0,0.2);
}

/* ===================================================================
   SECTION CONTENT GLASSMORPHISM
   =================================================================== */
.glass-section-content {
    background: var(--gradient-primary);
    backdrop-filter: var(--glass-blur-medium);
    border: 1px solid var(--glass-border-medium);
    border-radius: 24px;
    padding: 3rem;
    box-shadow: var(--glass-shadow-medium);
    position: relative;
    overflow: hidden;
}

.glass-section-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, 
        transparent, 
        var(--glass-border-strong), 
        var(--glass-border-medium),
        transparent
    );
}

.glass-section-content::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 100px;
    height: 100px;
    background: radial-gradient(circle, var(--glass-white-light) 0%, transparent 70%);
    opacity: 0.5;
    pointer-events: none;
}

/* ===================================================================
   BUTTON GLASSMORPHISM
   =================================================================== */
.glass-cta-button {
    background: linear-gradient(135deg, #2196F3 0%, #21CBF3 100%);
    backdrop-filter: var(--glass-blur-light);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 50px;
    padding: 1rem 2.5rem;
    color: white;
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s var(--ease-glassmorphism);
    box-shadow: var(--glass-shadow-light), var(--glass-shadow-inset);
    position: relative;
    overflow: hidden;
}

.glass-cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(255,255,255,0.2), 
        transparent
    );
    transition: left 0.5s ease;
}

.glass-cta-button:hover {
    transform: translateY(-3px);
    box-shadow: var(--glass-shadow-strong), var(--glass-shadow-inset);
    background: linear-gradient(135deg, #1976D2 0%, #00BCD4 100%);
}

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

.glass-cta-button:active {
    transform: translateY(-1px);
    transition: all 0.1s ease;
}

/* ===================================================================
   IMAGE CONTAINER GLASSMORPHISM
   =================================================================== */
.glass-image-container {
    position: relative;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: var(--glass-shadow-medium);
}

.glass-image-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, 
        rgba(255,255,255,0.1) 0%, 
        transparent 30%,
        rgba(0,0,0,0.1) 100%
    );
    z-index: 2;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.glass-image-container:hover::before {
    opacity: 1;
}

.glass-image-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s var(--ease-smooth);
}

.glass-image-container:hover img {
    transform: scale(1.05);
}

/* ===================================================================
   FEATURE LIST GLASSMORPHISM
   =================================================================== */
.glass-feature-list {
    list-style: none;
    padding: 0;
    margin: 1.5rem 0;
}

.glass-feature-list li {
    background: var(--glass-white-light);
    backdrop-filter: var(--glass-blur-light);
    border: 1px solid var(--glass-border-light);
    border-radius: 12px;
    padding: 1rem 1.5rem;
    margin-bottom: 0.8rem;
    position: relative;
    transition: all 0.3s var(--ease-glassmorphism);
}

.glass-feature-list li::before {
    content: "✓";
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: #4CAF50;
    font-weight: bold;
    background: rgba(76, 175, 80, 0.1);
    border-radius: 50%;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
}

.glass-feature-list li:hover {
    background: var(--glass-white-strong);
    transform: translateX(8px);
    box-shadow: var(--glass-shadow-light);
}

/* ===================================================================
   IDEAL-FOR BOX GLASSMORPHISM
   =================================================================== */
.glass-ideal-for {
    background: linear-gradient(135deg, 
        rgba(227, 242, 253, 0.8) 0%,
        rgba(243, 229, 245, 0.8) 100%
    );
    backdrop-filter: var(--glass-blur-light);
    border: 1px solid rgba(33, 150, 243, 0.2);
    border-left: 4px solid #2196F3;
    border-radius: 16px;
    padding: 1.5rem;
    margin: 1.5rem 0;
    position: relative;
    overflow: hidden;
}

.glass-ideal-for::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at top right, 
        rgba(33, 150, 243, 0.1) 0%, 
        transparent 50%
    );
    pointer-events: none;
}

/* ===================================================================
   RESPONSIVE GLASSMORPHISM OPTIMIZATIONS
   =================================================================== */
@media (max-width: 768px) {
    .glass-hero-content {
        padding: 2rem 1.5rem;
        border-radius: 20px;
    }
    
    .glass-nav-card {
        padding: 1.5rem;
        border-radius: 16px;
    }
    
    .glass-section-content {
        padding: 2rem;
        border-radius: 16px;
    }
    
    .glass-card-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
    
    .glass-cta-button {
        padding: 0.8rem 2rem;
        border-radius: 40px;
    }
}

@media (max-width: 480px) {
    .glass-hero-content {
        padding: 1.5rem 1rem;
        border-radius: 16px;
    }
    
    .glass-nav-card {
        padding: 1rem;
        border-radius: 12px;
    }
    
    .glass-section-content {
        padding: 1.5rem;
        border-radius: 12px;
    }
    
    .glass-feature-list li {
        padding: 0.8rem 1rem;
        border-radius: 8px;
    }
}

/* ===================================================================
   PERFORMANCE OPTIMIZATIONS
   =================================================================== */
.glass-container,
.glass-nav-card,
.glass-section-content,
.glass-cta-button {
    will-change: transform, box-shadow, background;
    backface-visibility: hidden;
    perspective: 1000px;
}

/* ===================================================================
   DARK MODE GLASSMORPHISM
   =================================================================== */
@media (prefers-color-scheme: dark) {
    .glass-container {
        background: var(--glass-black);
        border-color: rgba(255, 255, 255, 0.1);
    }
    
    .glass-hero-title {
        background: linear-gradient(135deg, 
            rgba(255,255,255,0.9) 0%, 
            rgba(255,255,255,0.6) 50%,
            rgba(200,200,200,0.8) 100%
        );
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }
    
    .glass-feature-list li {
        background: rgba(0, 0, 0, 0.2);
        border-color: rgba(255, 255, 255, 0.1);
        color: rgba(255, 255, 255, 0.9);
    }
}

/* ===================================================================
   ACCESSIBILITY IMPROVEMENTS
   =================================================================== */
@media (prefers-reduced-motion: reduce) {
    .glass-nav-card,
    .glass-cta-button,
    .glass-card-icon {
        transition: none !important;
        animation: none !important;
    }
}

/* Focus States */
.glass-nav-card:focus,
.glass-cta-button:focus {
    outline: 2px solid #2196F3;
    outline-offset: 2px;
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    .glass-container,
    .glass-nav-card,
    .glass-section-content {
        background: rgba(255, 255, 255, 0.9);
        border: 2px solid #000;
        backdrop-filter: none;
    }
}