/**
 * Finanzrechner.at - Stylesheet
 * Design: Hell & Seriös mit Blauem Akzent
 * Version: 2.0
 */

/* ============================================================
   CSS CUSTOM PROPERTIES (Design Tokens)
   ============================================================ */
:root {
    /* Primärfarben */
    --color-primary: #1a5276;
    --color-primary-dark: #154360;
    --color-primary-light: #2471a3;
    --color-primary-bg: rgba(26, 82, 118, 0.08);
    
    /* Akzentfarbe (Österreich-Rot) */
    --color-accent: #c0392b;
    --color-accent-dark: #a93226;
    --color-accent-light: #e74c3c;
    
    /* Hintergrundfarben */
    --color-bg: #ffffff;
    --color-bg-light: #f8f9fa;
    --color-bg-section: #f1f4f7;
    --color-bg-card: #f8f9fa;
    
    /* Textfarben */
    --color-text: #2c3e50;
    --color-text-light: #34495e;
    --color-text-muted: #7f8c8d;
    --color-text-white: #ffffff;
    
    /* Rahmen & Linien */
    --color-border: #e5e8eb;
    --color-border-light: #ecf0f1;
    
    /* Status-Farben */
    --color-success: #27ae60;
    --color-success-bg: rgba(39, 174, 96, 0.1);
    --color-warning: #f39c12;
    --color-warning-bg: rgba(243, 156, 18, 0.1);
    --color-error: #e74c3c;
    --color-error-bg: rgba(231, 76, 60, 0.1);
    --color-info: #3498db;
    --color-info-bg: rgba(52, 152, 219, 0.1);
    
    /* Typografie */
    --font-family-base: 'Source Sans 3', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-family-heading: 'Source Sans 3', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-family-mono: 'JetBrains Mono', 'SF Mono', Consolas, monospace;
    
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    --line-height-tight: 1.25;
    --line-height-base: 1.5;
    --line-height-relaxed: 1.75;
    
    /* Abstände */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Radien */
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 8px;
    --radius-xl: 12px;
    
    /* Schatten */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 2px 4px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-xl: 0 8px 24px rgba(0, 0, 0, 0.1);
    
    /* Übergänge */
    --transition-fast: 0.15s ease;
    --transition-base: 0.2s ease;
    --transition-slow: 0.3s ease;
    
    /* Layout */
    --container-max: 1200px;
    --container-sm: 720px;
    --header-height: 70px;
}

/* ============================================================
   RESET & BASE
   ============================================================ */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-family-base);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-normal);
    line-height: var(--line-height-base);
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typografie */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-family-heading);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
}

h1 { font-size: var(--font-size-3xl); }
h2 { font-size: var(--font-size-2xl); }
h3 { font-size: var(--font-size-xl); }
h4 { font-size: var(--font-size-lg); }

p {
    margin-bottom: var(--spacing-md);
    color: var(--color-text-light);
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-primary-dark);
}

strong, b {
    font-weight: var(--font-weight-semibold);
}

/* ============================================================
   LAYOUT
   ============================================================ */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.container-sm {
    max-width: var(--container-sm);
}

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

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

@media (max-width: 768px) {
    .grid-2, .grid-3, .grid-4 {
        grid-template-columns: 1fr;
    }
}

/* Flex */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: var(--spacing-sm); }
.gap-2 { gap: var(--spacing-md); }
.gap-3 { gap: var(--spacing-lg); }

/* ============================================================
   HEADER
   ============================================================ */
.header {
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-accent {
    height: 4px;
    background: linear-gradient(90deg, 
        var(--color-accent) 0%, 
        var(--color-accent) 33.33%, 
        var(--color-bg) 33.33%, 
        var(--color-bg) 66.66%, 
        var(--color-accent) 66.66%
    );
}

.header-main,
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
    padding: 0 var(--spacing-lg);
    max-width: var(--container-max);
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
}

.logo-icon {
    width: 21px;
    height: 18px;
    flex-shrink: 0;
}

.logo-text {
    color: var(--color-primary);
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    letter-spacing: -0.01em;
}

.logo-sub {
    display: block;
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-normal);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Navigation */
.nav,
.nav-main {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.nav a,
.nav-main a,
.nav-link {
    color: var(--color-text);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    padding: var(--spacing-sm) 0;
    border-bottom: 2px solid transparent;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.nav a:hover,
.nav a.active,
.nav-main a:hover,
.nav-main a.active,
.nav-link:hover {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

.nav-link-icon {
    width: 16px;
    height: 16px;
    opacity: 0.5;
}

/* Dropdown */
.nav-item {
    position: relative;
}

.nav-dropdown,
.dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 220px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-sm) 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition-base);
    z-index: 200;
}

.nav-item:hover .nav-dropdown,
.nav-item:hover .dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.nav-dropdown a,
.dropdown a,
.dropdown-link {
    display: block;
    padding: var(--spacing-sm) var(--spacing-lg);
    color: var(--color-text);
    font-size: var(--font-size-sm);
    border-bottom: none;
}

.nav-dropdown a:hover,
.dropdown a:hover,
.dropdown-link:hover {
    background: var(--color-bg-light);
    color: var(--color-primary);
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    padding: var(--spacing-sm);
    cursor: pointer;
}

.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text);
    margin: 5px 0;
    transition: var(--transition-fast);
}

@media (max-width: 768px) {
    .nav,
    .nav-main {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--color-bg);
        border-bottom: 1px solid var(--color-border);
        flex-direction: column;
        padding: var(--spacing-lg);
        gap: var(--spacing-md);
    }
    
    .nav.active,
    .nav-main.active {
        display: flex;
    }
    
    .menu-toggle {
        display: block;
    }
}

/* ============================================================
   BREADCRUMB
   ============================================================ */
.breadcrumb-wrapper {
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) 0;
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.breadcrumb a {
    color: var(--color-primary);
}

.breadcrumb a:hover {
    text-decoration: underline;
}

.breadcrumb-separator {
    color: var(--color-border);
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
    background: var(--color-bg-section);
    padding: var(--spacing-2xl) 0;
    border-bottom: 1px solid var(--color-border);
}

.hero h1 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.hero p {
    color: var(--color-text-muted);
    font-size: var(--font-size-lg);
    margin-bottom: 0;
}

.hero-highlight {
    background: var(--color-primary);
    color: var(--color-text-white);
    padding: var(--spacing-2xl) 0;
}

.hero-highlight h1 {
    color: var(--color-text-white);
}

.hero-highlight p {
    color: rgba(255, 255, 255, 0.85);
}

/* ============================================================
   CALCULATOR
   ============================================================ */
.calculator {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: var(--spacing-2xl);
    box-shadow: var(--shadow-md);
    display: grid;
    grid-template-columns: 1fr 1fr;
}

.calculator-form {
    padding: var(--spacing-xl);
    border-right: 1px solid var(--color-border);
}

.calculator-results {
    padding: var(--spacing-xl);
    background: var(--color-bg-section);
}

.calculator-header {
    background: var(--color-primary);
    color: var(--color-text-white);
    padding: var(--spacing-xl);
    grid-column: 1 / -1;
}

.calculator-header h1 {
    color: var(--color-text-white);
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-xs);
}

.calculator-header p {
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 0;
}

.calculator-body {
    padding: var(--spacing-xl);
}

.calculator-section {
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-xl);
    border-bottom: 1px solid var(--color-border);
}

.calculator-section:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.calculator-section-title {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary);
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.calculator-section-title::before {
    content: '';
    width: 4px;
    height: 20px;
    background: var(--color-primary);
    border-radius: 2px;
}

.calculator-footer {
    background: var(--color-bg-light);
    padding: var(--spacing-lg) var(--spacing-xl);
    border-top: 1px solid var(--color-border);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    grid-column: 1 / -1;
}

.calculator-footer p {
    margin: 0;
}

@media (max-width: 768px) {
    .calculator {
        grid-template-columns: 1fr;
    }
    
    .calculator-form {
        border-right: none;
        border-bottom: 1px solid var(--color-border);
    }
}

/* ============================================================
   FORMS
   ============================================================ */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

@media (max-width: 768px) {
    .form-row {
        grid-template-columns: 1fr;
    }
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
}

.form-label-required::after {
    content: ' *';
    color: var(--color-accent);
}

.form-hint {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-top: var(--spacing-xs);
}

.input-group {
    position: relative;
    display: flex;
    align-items: center;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.input-prefix {
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-bg-section);
    color: var(--color-text-muted);
    font-weight: var(--font-weight-semibold);
    border-right: 1px solid var(--color-border);
}

.input-group .form-input {
    flex: 1;
    border: none;
    border-radius: 0;
}

.input-group .form-input:focus {
    box-shadow: none;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: var(--spacing-md);
    font-family: var(--font-family-base);
    font-size: var(--font-size-base);
    color: var(--color-text);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-bg);
}

.form-input-lg {
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--font-size-lg);
}

.input-suffix {
    position: absolute;
    right: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-muted);
    font-weight: var(--font-weight-medium);
    pointer-events: none;
}

.input-group .form-input {
    padding-right: 3.5rem;
}

/* Range Slider */
.form-range {
    width: 100%;
    height: 8px;
    background: var(--color-bg-section);
    border-radius: 4px;
    -webkit-appearance: none;
    appearance: none;
    cursor: pointer;
}

.form-range::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 22px;
    height: 22px;
    background: var(--color-primary);
    border-radius: 50%;
    cursor: pointer;
    transition: transform var(--transition-fast);
}

.form-range::-webkit-slider-thumb:hover {
    transform: scale(1.1);
}

.range-labels {
    display: flex;
    justify-content: space-between;
    margin-top: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

/* Checkbox & Radio */
.form-check {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    font-size: var(--font-size-base);
}

.form-check input[type="checkbox"],
.form-check input[type="radio"] {
    width: 20px;
    height: 20px;
    accent-color: var(--color-primary);
    cursor: pointer;
}

/* Select */
.form-select {
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%237f8c8d' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--spacing-md) center;
    padding-right: 2.5rem;
}

/* Error State */
.form-input.error,
.form-select.error {
    border-color: var(--color-error);
}

.form-error {
    font-size: var(--font-size-sm);
    color: var(--color-error);
    margin-top: var(--spacing-xs);
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    font-family: var(--font-family-base);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    line-height: 1;
    text-align: center;
    text-decoration: none;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-primary {
    background: var(--color-primary);
    color: var(--color-text-white);
}

.btn-primary:hover {
    background: var(--color-primary-dark);
    color: var(--color-text-white);
}

.btn-secondary {
    background: var(--color-bg-section);
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover {
    background: var(--color-border);
}

.btn-outline {
    background: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}

.btn-outline:hover {
    background: var(--color-primary);
    color: var(--color-text-white);
}

.btn-lg {
    padding: var(--spacing-lg) var(--spacing-2xl);
    font-size: var(--font-size-lg);
}

.btn-sm {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
}

.btn-block {
    display: flex;
    width: 100%;
}

/* ============================================================
   RESULTS
   ============================================================ */
.result-box {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.result-box-highlight,
.result-highlight {
    border-color: var(--color-success);
    border-width: 2px;
}

.result-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-xs);
}

.result-box-highlight .result-label {
    color: rgba(255, 255, 255, 0.75);
}

.result-main,
.result-value {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    line-height: 1.2;
}

.result-highlight .result-value {
    color: var(--color-success);
}

.result-box-highlight .result-main {
    color: var(--color-text-white);
}

.result-main-lg {
    font-size: var(--font-size-4xl);
}

.result-subtitle {
    font-size: var(--font-size-base);
    color: var(--color-text-muted);
    margin-top: var(--spacing-xs);
}

.result-box-highlight .result-subtitle {
    color: rgba(255, 255, 255, 0.85);
}

/* Result Details */
.result-details {
    margin-top: var(--spacing-md);
}

.result-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--color-border-light);
}

.result-row:last-child {
    border-bottom: none;
}

.result-row-label {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}

.result-row-value {
    font-family: var(--font-family-mono);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
}

.result-row-highlight {
    background: var(--color-bg-section);
    margin: var(--spacing-sm) calc(-1 * var(--spacing-md));
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    border-bottom: none;
}

.result-row-highlight .result-row-value {
    color: var(--color-primary);
    font-size: var(--font-size-lg);
}

/* ============================================================
   CARDS
   ============================================================ */
.card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: all var(--transition-base);
}

.card:hover {
    box-shadow: var(--shadow-md);
}

.card-link {
    text-decoration: none;
    display: block;
}

.card-link:hover .card {
    border-color: var(--color-primary);
}

.card-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.card-text {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-bottom: 0;
}

/* Info Cards */
.info-card {
    display: flex;
    gap: var(--spacing-md);
    background: var(--color-info-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.info-card-icon {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    color: var(--color-info);
}

.info-card-icon svg {
    width: 100%;
    height: 100%;
}

.info-card-content {
    flex: 1;
}

.info-card-title {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-xs);
}

.info-card-highlight {
    border-left: 4px solid var(--color-primary);
}

.info-card-success {
    background: var(--color-success-bg);
    border-left: 4px solid var(--color-success);
}

.info-card-warning {
    background: var(--color-warning-bg);
    border-left: 4px solid var(--color-warning);
}

.info-card-error {
    background: var(--color-error-bg);
    border-left: 4px solid var(--color-error);
}

.info-card h4 {
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-sm);
}

.info-card p {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    margin-bottom: 0;
}

/* ============================================================
   TABLES
   ============================================================ */
.table-wrapper {
    overflow-x: auto;
}

.table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--font-size-sm);
}

.table th,
.table td {
    padding: var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.table th {
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
    background: var(--color-bg-light);
}

.table td {
    color: var(--color-text-light);
}

.table tr:hover td {
    background: var(--color-bg-light);
}

/* ============================================================
   SECTIONS
   ============================================================ */
.section {
    padding: var(--spacing-2xl) 0;
}

.section-bg {
    background: var(--color-bg-section);
}

.section h2 {
    margin-bottom: var(--spacing-lg);
}

.section h3 {
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
    background: var(--color-text);
    color: var(--color-text-white);
    padding: var(--spacing-2xl) 0;
    margin-top: var(--spacing-2xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: var(--spacing-2xl);
}

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
}

.footer-brand {
    color: var(--color-text-white);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
}

.footer-logo-icon {
    width: 18px;
    height: 15px;
    flex-shrink: 0;
}

.footer-logo-text {
    color: var(--color-text-white);
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
}

.footer-brand .logo-text {
    color: var(--color-text-white);
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    margin-top: var(--spacing-md);
    font-size: var(--font-size-sm);
}

.footer-heading {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-white);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-md);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--spacing-sm);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--font-size-sm);
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-text-white);
}

.footer-bottom {
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.5);
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.5);
}

.footer-bottom a:hover {
    color: var(--color-text-white);
}

/* ============================================================
   UTILITIES
   ============================================================ */
/* Text */
.text-primary { color: var(--color-primary); }
.text-muted { color: var(--color-text-muted); }
.text-success { color: var(--color-success); }
.text-error { color: var(--color-error); }
.text-center { text-align: center; }
.text-right { text-align: right; }

.font-semibold { font-weight: var(--font-weight-semibold); }
.font-bold { font-weight: var(--font-weight-bold); }
.font-mono { font-family: var(--font-family-mono); }

/* Spacing */
.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }

/* Display */
.hidden { display: none; }
.block { display: block; }

/* Width */
.w-full { width: 100%; }

/* ============================================================
   ANIMATIONS
   ============================================================ */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.02); }
}

.animate-fadeIn {
    animation: fadeIn 0.3s ease;
}

.animate-pulse {
    animation: pulse 0.3s ease;
}

/* ============================================================
   PRINT STYLES
   ============================================================ */
@media print {
    .header,
    .footer,
    .btn,
    .form-range,
    .nav {
        display: none !important;
    }
    
    body {
        font-size: 12pt;
        color: #000;
        background: #fff;
    }
    
    .calculator {
        box-shadow: none;
        border: 1px solid #ccc;
    }
    
    .result-box-highlight {
        background: #f0f0f0 !important;
        color: #000 !important;
        -webkit-print-color-adjust: exact;
    }
}

/* ============================================================
   SKIP LINK (Accessibility)
   ============================================================ */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--color-primary);
    color: var(--color-text-white);
    padding: var(--spacing-sm) var(--spacing-md);
    z-index: 1000;
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: 0;
}

/* Screen Reader Only */
.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;
}

/* ============================================================
   COOKIE BANNER
   ============================================================ */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--color-bg);
    border-top: 1px solid var(--color-border);
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
    z-index: 9999;
    padding: var(--spacing-lg);
}

.cookie-banner-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--spacing-lg);
}

.cookie-banner-text {
    flex: 1;
    min-width: 300px;
}

.cookie-banner-text strong {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-lg);
}

.cookie-banner-text p {
    margin: 0;
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.cookie-banner-text a {
    color: var(--color-primary);
}

.cookie-banner-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.btn-sm {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
}

/* Cookie Modal */
.cookie-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
}

.cookie-modal-content {
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
}

.cookie-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
}

.cookie-modal-header h3 {
    margin: 0;
}

.cookie-modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--color-text-muted);
    line-height: 1;
    padding: 0;
}

.cookie-modal-close:hover {
    color: var(--color-text);
}

.cookie-modal-body {
    padding: var(--spacing-lg);
}

.cookie-option {
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--color-border);
}

.cookie-option:last-child {
    border-bottom: none;
}

.cookie-option-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.cookie-option-header label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
}

.cookie-option-header input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.cookie-option-header input[type="checkbox"]:disabled {
    cursor: not-allowed;
}

.cookie-option p {
    margin: 0;
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.cookie-badge {
    font-size: var(--font-size-xs);
    background: var(--color-bg-section);
    color: var(--color-text-muted);
    padding: 2px 8px;
    border-radius: var(--radius-sm);
}

.cookie-modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
}

/* ============================================================
   LEGAL PAGES
   ============================================================ */
.container-narrow {
    max-width: 800px;
}

.legal-content {
    line-height: 1.8;
}

.legal-content h2 {
    margin-top: var(--spacing-2xl);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--color-border);
}

.legal-content h2:first-of-type {
    margin-top: var(--spacing-lg);
}

.legal-content h3 {
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-sm);
}

.legal-content p {
    margin-bottom: var(--spacing-md);
}

.legal-content ul {
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-xl);
}

.legal-content li {
    margin-bottom: var(--spacing-sm);
}

.legal-table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--spacing-lg) 0;
}

.legal-table td {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
    vertical-align: top;
}

.legal-table td:first-child {
    font-weight: 500;
    width: 35%;
    color: var(--color-text-muted);
}

/* Mobile Anpassungen für Cookie-Banner */
@media (max-width: 768px) {
    .cookie-banner {
        padding: var(--spacing-md);
    }
    
    .cookie-banner-content {
        flex-direction: column;
        align-items: stretch;
    }
    
    .cookie-banner-text {
        min-width: auto;
    }
    
    .cookie-banner-buttons {
        flex-direction: column;
    }
    
    .cookie-banner-buttons .btn {
        width: 100%;
        text-align: center;
    }
    
    .legal-table td {
        display: block;
        width: 100%;
    }
    
    .legal-table td:first-child {
        width: 100%;
        border-bottom: none;
        padding-bottom: var(--spacing-xs);
    }
    
    .legal-table td:last-child {
        padding-top: 0;
    }
}