/* FactoringWerkstatt Corporate Branding CSS */
/* Komplettes Design System für einheitliches Corporate Branding */

:root {
    /* Corporate Colors */
    --fw-primary-start: #1e3a8a;
    --fw-primary-end: #3b82f6;
    --fw-secondary-start: #059669;
    --fw-secondary-end: #10b981;
    --fw-accent-start: #dc2626;
    --fw-accent-end: #ef4444;
    
    /* WhatsApp Colors */
    --whatsapp-green: #25d366;
    --whatsapp-dark: #128c7e;
    --whatsapp-light: #dcf8c6;
    
    /* Typography */
    --fw-font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --fw-font-weight-light: 300;
    --fw-font-weight-normal: 400;
    --fw-font-weight-medium: 500;
    --fw-font-weight-semibold: 600;
    --fw-font-weight-bold: 700;
    --fw-font-weight-extrabold: 800;
    --fw-font-weight-black: 900;
    
    /* Spacing */
    --fw-spacing-xs: 0.25rem;
    --fw-spacing-sm: 0.5rem;
    --fw-spacing-md: 1rem;
    --fw-spacing-lg: 1.5rem;
    --fw-spacing-xl: 2rem;
    --fw-spacing-2xl: 3rem;
    --fw-spacing-3xl: 4rem;
    
    /* Border Radius */
    --fw-radius-sm: 0.375rem;
    --fw-radius-md: 0.5rem;
    --fw-radius-lg: 0.75rem;
    --fw-radius-xl: 1rem;
    
    /* Shadows */
    --fw-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --fw-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --fw-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --fw-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Animations */
    --fw-transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --fw-transition-normal: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --fw-transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* Base Styles */
* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--fw-font-family);
    line-height: 1.6;
    color: #334155;
    margin: 0;
    padding: 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

/* Typography System */
.fw-heading-1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: var(--fw-font-weight-black);
    line-height: 1.1;
    letter-spacing: -0.025em;
}

.fw-heading-2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: var(--fw-font-weight-extrabold);
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.fw-heading-3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: var(--fw-font-weight-bold);
    line-height: 1.3;
}

.fw-heading-4 {
    font-size: clamp(1.25rem, 2.5vw, 1.5rem);
    font-weight: var(--fw-font-weight-semibold);
    line-height: 1.4;
}

.fw-body-large {
    font-size: 1.125rem;
    font-weight: var(--fw-font-weight-normal);
    line-height: 1.7;
}

.fw-body-normal {
    font-size: 1rem;
    font-weight: var(--fw-font-weight-normal);
    line-height: 1.6;
}

.fw-body-small {
    font-size: 0.875rem;
    font-weight: var(--fw-font-weight-normal);
    line-height: 1.5;
}

/* Corporate Color Classes */
.fw-bg-primary {
    background: linear-gradient(135deg, var(--fw-primary-start) 0%, var(--fw-primary-end) 100%);
}

.fw-bg-secondary {
    background: linear-gradient(135deg, var(--fw-secondary-start) 0%, var(--fw-secondary-end) 100%);
}

.fw-bg-accent {
    background: linear-gradient(135deg, var(--fw-accent-start) 0%, var(--fw-accent-end) 100%);
}

.fw-text-primary {
    color: var(--fw-primary-start);
}

.fw-text-secondary {
    color: var(--fw-secondary-start);
}

.fw-text-accent {
    color: var(--fw-accent-start);
}

.fw-border-primary {
    border-color: var(--fw-primary-end);
}

.fw-border-secondary {
    border-color: var(--fw-secondary-end);
}

.fw-border-accent {
    border-color: var(--fw-accent-end);
}

/* Logo Text Effect */
.fw-logo-text {
    background: linear-gradient(135deg, var(--fw-primary-start) 0%, var(--fw-primary-end) 50%, var(--fw-secondary-start) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: var(--fw-font-weight-black);
    letter-spacing: -0.02em;
}

/* WhatsApp Branding */
.whatsapp-green {
    background: linear-gradient(135deg, var(--whatsapp-green) 0%, var(--whatsapp-dark) 100%);
}

.whatsapp-light {
    background-color: var(--whatsapp-light);
    border-left: 4px solid var(--whatsapp-green);
}

/* Corporate Cards */
.fw-card {
    background: linear-gradient(135deg, rgba(30, 58, 138, 0.02) 0%, rgba(59, 130, 246, 0.05) 100%);
    border: 1px solid rgba(59, 130, 246, 0.1);
    backdrop-filter: blur(10px);
    border-radius: var(--fw-radius-xl);
    transition: all var(--fw-transition-normal);
}

.fw-card:hover {
    background: linear-gradient(135deg, rgba(30, 58, 138, 0.05) 0%, rgba(59, 130, 246, 0.1) 100%);
    border-color: rgba(59, 130, 246, 0.2);
    transform: translateY(-2px);
    box-shadow: var(--fw-shadow-xl), 0 0 25px rgba(59, 130, 246, 0.1);
}

.fw-card-interactive {
    cursor: pointer;
    transition: all var(--fw-transition-normal);
}

.fw-card-interactive:hover {
    transform: translateY(-4px) scale(1.02);
}

.fw-card-interactive:active {
    transform: translateY(-1px) scale(0.98);
}

/* Content Cards */
.content-card {
    background: linear-gradient(145deg, #ffffff 0%, #f8fafc 100%);
    border: 1px solid rgba(148, 163, 184, 0.1);
    border-radius: var(--fw-radius-xl);
    transition: all var(--fw-transition-slow);
    position: relative;
    overflow: hidden;
}

.content-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--fw-primary-start), var(--fw-primary-end), var(--fw-secondary-start));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--fw-transition-normal);
}

.content-card:hover::before {
    transform: scaleX(1);
}

.content-card:hover {
    border-color: rgba(37, 211, 102, 0.3);
    box-shadow: var(--fw-shadow-xl);
    transform: translateY(-2px);
}

/* Buttons */
.fw-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--fw-spacing-sm) var(--fw-spacing-lg);
    border-radius: var(--fw-radius-lg);
    font-weight: var(--fw-font-weight-semibold);
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all var(--fw-transition-fast);
    position: relative;
    overflow: hidden;
}

.fw-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 var(--fw-transition-slow);
}

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

.fw-button-primary {
    background: linear-gradient(135deg, var(--fw-primary-start) 0%, var(--fw-primary-end) 100%);
    color: white;
}

.fw-button-primary:hover {
    transform: translateY(-1px);
    box-shadow: var(--fw-shadow-lg), 0 0 20px rgba(59, 130, 246, 0.4);
}

.fw-button-secondary {
    background: linear-gradient(135deg, var(--fw-secondary-start) 0%, var(--fw-secondary-end) 100%);
    color: white;
}

.fw-button-secondary:hover {
    transform: translateY(-1px);
    box-shadow: var(--fw-shadow-lg), 0 0 20px rgba(16, 185, 129, 0.4);
}

.fw-button-whatsapp {
    background: linear-gradient(135deg, var(--whatsapp-green) 0%, var(--whatsapp-dark) 100%);
    color: white;
}

.fw-button-whatsapp:hover {
    transform: translateY(-1px) scale(1.05);
    box-shadow: var(--fw-shadow-lg), 0 0 20px rgba(37, 211, 102, 0.4);
}

/* Copy Button Animations */
.copy-btn {
    transition: all var(--fw-transition-normal);
    position: relative;
}

.copy-btn:hover {
    transform: scale(1.05);
}

.copy-success {
    background: linear-gradient(135deg, var(--fw-secondary-start) 0%, var(--fw-secondary-end) 100%) !important;
    animation: pulse 0.6s ease-in-out;
}

@keyframes pulse {
    0%, 100% { 
        transform: scale(1); 
    }
    50% { 
        transform: scale(1.1); 
    }
}

/* Status Indicators */
.status-ready {
    background: linear-gradient(135deg, var(--fw-secondary-start) 0%, var(--fw-secondary-end) 100%);
    color: white;
    animation: glow-green 2s ease-in-out infinite alternate;
    border-radius: 9999px;
    padding: var(--fw-spacing-sm) var(--fw-spacing-lg);
    display: inline-flex;
    align-items: center;
}

@keyframes glow-green {
    from { 
        box-shadow: 0 0 5px var(--fw-secondary-end); 
    }
    to { 
        box-shadow: 0 0 15px var(--fw-secondary-end), 0 0 25px var(--fw-secondary-end); 
    }
}

.status-pending {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    color: white;
}

.status-in-progress {
    background: linear-gradient(135deg, var(--fw-primary-start) 0%, var(--fw-primary-end) 100%);
    color: white;
}

/* Navigation Styles */
.fw-nav {
    background: linear-gradient(135deg, var(--fw-primary-start) 0%, var(--fw-primary-end) 100%);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.fw-nav-item {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    padding: var(--fw-spacing-sm) var(--fw-spacing-md);
    border-radius: var(--fw-radius-md);
    transition: all var(--fw-transition-fast);
    display: flex;
    align-items: center;
}

.fw-nav-item:hover {
    color: white;
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-1px);
}

/* Form Styles */
.fw-input {
    width: 100%;
    padding: var(--fw-spacing-sm) var(--fw-spacing-md);
    border: 2px solid rgba(148, 163, 184, 0.2);
    border-radius: var(--fw-radius-lg);
    font-family: var(--fw-font-family);
    font-size: 1rem;
    transition: all var(--fw-transition-fast);
    background: white;
}

.fw-input:focus {
    outline: none;
    border-color: var(--fw-primary-end);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.fw-textarea {
    min-height: 120px;
    resize: vertical;
}

/* Loading States */
.loading {
    opacity: 0.7;
    pointer-events: none;
    position: relative;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--whatsapp-green);
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { 
        transform: rotate(360deg); 
    }
}

/* Responsive Grids */
.fw-grid {
    display: grid;
    gap: var(--fw-spacing-lg);
}

.fw-grid-1 { grid-template-columns: 1fr; }
.fw-grid-2 { grid-template-columns: repeat(2, 1fr); }
.fw-grid-3 { grid-template-columns: repeat(3, 1fr); }
.fw-grid-4 { grid-template-columns: repeat(4, 1fr); }

/* Content Categories */
.category-badge {
    padding: var(--fw-spacing-xs) var(--fw-spacing-sm);
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: var(--fw-font-weight-medium);
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.category-vorstellung {
    background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
    color: #1e40af;
}

.category-bildung {
    background: linear-gradient(135deg, #ede9fe 0%, #ddd6fe 100%);
    color: #7c3aed;
}

.category-branche {
    background: linear-gradient(135deg, #fed7aa 0%, #fdba74 100%);
    color: #ea580c;
}

.category-erfolg {
    background: linear-gradient(135deg, #dcfce7 0%, #bbf7d0 100%);
    color: #16a34a;
}

.category-mythos {
    background: linear-gradient(135deg, #fee2e2 0%, #fecaca 100%);
    color: #dc2626;
}

.category-wochenende {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    color: #d97706;
}

/* Mobile Optimizations */
@media (max-width: 768px) {
    :root {
        --fw-spacing-md: 0.75rem;
        --fw-spacing-lg: 1rem;
        --fw-spacing-xl: 1.5rem;
    }
    
    .fw-grid-2,
    .fw-grid-3,
    .fw-grid-4 {
        grid-template-columns: 1fr;
    }
    
    .fw-card {
        margin-bottom: var(--fw-spacing-md);
    }
    
    .fw-heading-1 {
        font-size: 2.5rem;
    }
    
    .fw-heading-2 {
        font-size: 2rem;
    }
    
    .fw-nav-item {
        padding: var(--fw-spacing-xs) var(--fw-spacing-sm);
    }
}

@media (max-width: 480px) {
    .fw-button {
        width: 100%;
        justify-content: center;
    }
    
    .content-card {
        padding: var(--fw-spacing-md);
    }
    
    .whatsapp-light {
        padding: var(--fw-spacing-sm);
        font-size: 0.875rem;
    }
}

/* High DPI Screens */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .fw-logo-text,
    .fw-heading-1,
    .fw-heading-2 {
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    .content-card {
        background: linear-gradient(145deg, #1e293b 0%, #0f172a 100%);
        border-color: rgba(71, 85, 105, 0.3);
        color: #e2e8f0;
    }
    
    .whatsapp-light {
        background-color: rgba(220, 248, 198, 0.1);
        color: #e2e8f0;
    }
    
    .fw-input {
        background: #1e293b;
        color: #e2e8f0;
        border-color: rgba(71, 85, 105, 0.3);
    }
}

/* Print Styles */
@media print {
    .fw-nav,
    .copy-btn,
    .fw-button {
        display: none !important;
    }
    
    .content-card {
        break-inside: avoid;
        border: 1px solid #000;
        margin-bottom: var(--fw-spacing-md);
    }
    
    .fw-logo-text {
        color: #000 !important;
        -webkit-text-fill-color: #000 !important;
    }
}

/* Accessibility Improvements */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Focus States */
.fw-button:focus-visible,
.fw-input:focus-visible,
.fw-nav-item:focus-visible {
    outline: 2px solid var(--fw-primary-end);
    outline-offset: 2px;
}

/* Contrast Improvements */
.high-contrast-text {
    color: #000000 !important;
    text-shadow: none !important;
}

.high-contrast-text-white {
    color: #ffffff !important;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.8) !important;
}

/* Better text contrast on colored backgrounds */
.bg-primary .text-muted,
.bg-primary .text-light {
    color: #e2e8f0 !important;
}

.bg-secondary .text-muted,
.bg-secondary .text-light {
    color: #f0fdf4 !important;
}

/* Link contrast improvements */
.bg-primary a:not(.fw-button) {
    color: #bfdbfe !important;
}

.bg-primary a:not(.fw-button):hover {
    color: #ffffff !important;
}

/* Badge contrast improvements */
.badge-improved {
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 600;
    border: 1px solid rgba(0, 0, 0, 0.1);
}

.badge-blue {
    background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
    color: #1e40af;
    border-color: #3b82f6;
}

.badge-green {
    background: linear-gradient(135deg, #d1fae5 0%, #a7f3d0 100%);
    color: #065f46;
    border-color: #10b981;
}

.badge-purple {
    background: linear-gradient(135deg, #ede9fe 0%, #ddd6fe 100%);
    color: #6b21a8;
    border-color: #8b5cf6;
}

.badge-orange {
    background: linear-gradient(135deg, #fed7aa 0%, #fdba74 100%);
    color: #c2410c;
    border-color: #f97316;
}

.badge-red {
    background: linear-gradient(135deg, #fee2e2 0%, #fecaca 100%);
    color: #b91c1c;
    border-color: #ef4444;
}

.badge-yellow {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    color: #b45309;
    border-color: #f59e0b;
}

/* Animation Utilities */
.fw-fade-in {
    animation: fadeIn 0.6s ease-out;
}

.fw-slide-up {
    animation: slideUp 0.6s ease-out;
}

.fw-scale-in {
    animation: scaleIn 0.4s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from { 
        opacity: 0; 
        transform: translateY(20px); 
    }
    to { 
        opacity: 1; 
        transform: translateY(0); 
    }
}

@keyframes scaleIn {
    from { 
        opacity: 0; 
        transform: scale(0.9); 
    }
    to { 
        opacity: 1; 
        transform: scale(1); 
    }
}