/* ==========================================
   RS Finance - Finanzierungs-Funnel Styles
   ========================================== */

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* RS Finance Colors */
    --primary-color: #587592;
    --primary-dark: #4a6279;
    --primary-light: #7a94b0;
    --secondary-color: #CCDBE7;
    --background-light: #F9F9F9;
    --background-lighter: #FCFEFF;
    --text-dark: #222222;
    --text-medium: #333333;
    --text-light: #5a5a5a;
    --border-color: #E7E7E7;
    --success-color: #4CAF50;
    --success-light: #E8F5E9;
    --white: #FFFFFF;

    /* Spacing */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 32px;
    --spacing-xl: 48px;
    --spacing-xxl: 64px;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 50px;

    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
}

body {
    font-family: 'Roboto', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--background-light);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ==========================================
   Header & Logo Cleanup - ONLY for /rechner page
   ========================================== */

/* Hide ALL logo variants in header/overlay */
body.rechner-page .header-logo,
body.rechner-page .funnel-logo,
body.rechner-page .logo-overlay,
body.rechner-page #rechner-brand-overlay {
    display: none !important;
}

/* Hide any header on rechner page */
body.rechner-page .header {
    display: none;
    height: 0;
    margin: 0;
    padding: 0;
}

/* ==========================================
   Footer Partner Section - ONLY for /rechner page
   ========================================== */

body.rechner-page .footer-partner {
    text-align: center;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

body.rechner-page .footer-rs-logo {
    max-width: 110px;
    height: auto;
    display: block;
    margin: 0 auto;
}

/* ==========================================
   Header
   ========================================== */

.header {
    padding: 0 64px;
    background-color: var(--white);
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    height: 73px;
    display: flex;
    align-items: center;
}

.logo-text {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
}

/* ==========================================
   Progress Bar
   ========================================== */

.progress-container {
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg) 0;
}

.progress-bar {
    width: 100%;
    height: 6px;
    background-color: var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: var(--spacing-md);
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color) 0%, var(--primary-light) 100%);
    width: 20%;
    transition: width 0.4s ease;
    border-radius: var(--radius-lg);
}

.progress-steps {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.progress-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 1;
    position: relative;
}

.step-circle {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--border-color);
    color: var(--text-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    transition: all 0.3s ease;
    margin-bottom: var(--spacing-xs);
}

.progress-step.active .step-circle {
    background-color: var(--primary-color);
    color: var(--white);
    box-shadow: 0 4px 12px rgba(88, 117, 146, 0.3);
}

.progress-step.completed .step-circle {
    background-color: var(--success-color);
    color: var(--white);
}

.step-label {
    font-size: 12px;
    color: var(--text-light);
    text-align: center;
    margin-top: var(--spacing-xs);
}

.progress-step.active .step-label {
    color: var(--primary-color);
    font-weight: 500;
}

/* ==========================================
   Main Content
   ========================================== */

.main-content {
    flex: 1;
    margin-bottom: var(--spacing-xl);
}

.step-content {
    display: none;
    animation: fadeIn 0.4s ease;
}

.step-content.active {
    display: block;
}

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

/* ==========================================
   Hero Section (Step 1)
   ========================================== */

.hero-section {
    background: linear-gradient(135deg, var(--background-lighter) 0%, var(--secondary-color) 100%);
    padding: var(--spacing-xxl) var(--spacing-xl);
    border-radius: var(--radius-md);
    text-align: center;
    box-shadow: var(--shadow-md);
}

.main-heading {
    font-size: 42px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.subtitle {
    font-size: 20px;
    color: var(--text-medium);
    margin-bottom: var(--spacing-xl);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin: var(--spacing-xl) 0;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background-color: var(--white);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-sm);
}

.benefit-icon {
    width: 32px;
    height: 32px;
    background-color: var(--success-light);
    color: var(--success-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    flex-shrink: 0;
}

.benefit-text {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-medium);
    text-align: left;
}

/* ==========================================
   Section Headings
   ========================================== */

.section-heading {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
    text-align: center;
}

.section-subtitle {
    font-size: 18px;
    color: var(--text-light);
    margin-bottom: var(--spacing-xl);
    text-align: center;
}

/* ==========================================
   Options Grid (Step 2)
   ========================================== */

.options-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.option-card {
    background-color: var(--white);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

.option-card:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.option-card.selected {
    border-color: var(--primary-color);
    background-color: var(--background-lighter);
    box-shadow: 0 4px 16px rgba(88, 117, 146, 0.2);
}

.option-icon {
    margin-bottom: var(--spacing-md);
}

.option-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
}

.option-description {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: var(--spacing-md);
}

.option-radio {
    display: flex;
    justify-content: center;
}

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

/* ==========================================
   Form Styles (Steps 3 & 4)
   ========================================== */

.form-container {
    max-width: 700px;
    margin: 0 auto var(--spacing-xl);
    background-color: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    font-size: 16px;
    font-weight: 500;
    color: var(--text-dark);
    margin-bottom: var(--spacing-xs);
}

.form-hint {
    display: block;
    font-size: 13px;
    font-weight: 400;
    color: var(--text-light);
    margin-top: 4px;
}

.form-input,
.form-textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 16px;
    font-family: 'Roboto', sans-serif;
    color: var(--text-dark);
    transition: border-color 0.3s ease;
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-textarea {
    resize: vertical;
    min-height: 100px;
}

.checkbox-group {
    margin-bottom: var(--spacing-md);
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    font-size: 14px;
    color: var(--text-medium);
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    margin-top: 4px;
    width: 18px;
    height: 18px;
    accent-color: var(--primary-color);
    cursor: pointer;
    flex-shrink: 0;
}

.checkbox-label a {
    color: var(--primary-color);
    text-decoration: none;
}

.checkbox-label a:hover {
    text-decoration: underline;
}

/* Range Slider Styles */
.input-wrapper {
    padding: var(--spacing-sm) 0;
}

.range-slider {
    width: 100%;
    height: 6px;
    border-radius: var(--radius-lg);
    background: var(--border-color);
    outline: none;
    -webkit-appearance: none;
    appearance: none;
    margin-bottom: var(--spacing-md);
}

.range-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary-color);
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(88, 117, 146, 0.3);
    transition: transform 0.2s ease;
}

.range-slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

.range-slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary-color);
    cursor: pointer;
    border: none;
    box-shadow: 0 2px 8px rgba(88, 117, 146, 0.3);
    transition: transform 0.2s ease;
}

.range-slider::-moz-range-thumb:hover {
    transform: scale(1.2);
}

.range-values {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    color: var(--text-light);
}

.range-current {
    font-size: 18px;
    font-weight: 600;
    color: var(--primary-color);
}

/* Calculation Result */
.calculation-result {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, var(--background-lighter) 0%, var(--secondary-color) 100%);
    border-radius: var(--radius-md);
    text-align: center;
}

.result-label {
    font-size: 16px;
    color: var(--text-medium);
    margin-bottom: var(--spacing-xs);
}

.result-value {
    font-size: 36px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
}

.result-hint {
    font-size: 12px;
    color: var(--text-light);
    font-style: italic;
}

/* ==========================================
   Success Page (Step 5)
   ========================================== */

.success-container {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.success-icon {
    margin: 0 auto var(--spacing-lg);
    display: inline-block;
}

.next-steps {
    background-color: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    margin: var(--spacing-xl) 0;
    text-align: left;
}

.next-steps h3 {
    font-size: 22px;
    color: var(--text-dark);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.timeline {
    position: relative;
}

.timeline-item {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    position: relative;
}

.timeline-item:not(:last-child)::after {
    content: '';
    position: absolute;
    left: 20px;
    top: 45px;
    width: 2px;
    height: calc(100% + var(--spacing-md));
    background-color: var(--border-color);
}

.timeline-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    flex-shrink: 0;
    position: relative;
    z-index: 1;
}

.timeline-content h4 {
    font-size: 18px;
    color: var(--text-dark);
    margin-bottom: var(--spacing-xs);
}

.timeline-content p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.6;
}

.contact-info {
    background-color: var(--background-lighter);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    margin: var(--spacing-xl) 0;
}

.contact-info h3 {
    font-size: 20px;
    color: var(--text-dark);
    margin-bottom: var(--spacing-md);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.contact-item {
    font-size: 16px;
    color: var(--text-medium);
}

.contact-item a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

.contact-item a:hover {
    text-decoration: underline;
}

/* ==========================================
   Buttons
   ========================================== */

.button-group {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.btn-primary,
.btn-secondary {
    padding: 14px 32px;
    font-size: 16px;
    font-weight: 500;
    border-radius: var(--radius-lg);
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Roboto', sans-serif;
    text-decoration: none;
    display: inline-block;
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--white);
    box-shadow: 0 4px 12px rgba(88, 117, 146, 0.3);
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    box-shadow: 0 6px 16px rgba(88, 117, 146, 0.4);
    transform: translateY(-2px);
}

.btn-primary:disabled {
    background-color: var(--border-color);
    color: var(--text-light);
    cursor: not-allowed;
    box-shadow: none;
    transform: none;
}

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

.btn-secondary:hover {
    background-color: var(--primary-color);
    color: var(--white);
    transform: translateY(-2px);
}

/* ==========================================
   Footer
   ========================================== */

.footer {
    padding: var(--spacing-lg) 0;
    text-align: center;
    border-top: 1px solid var(--border-color);
    margin-top: auto;
}

.footer p {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: var(--spacing-sm);
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.footer-links a {
    font-size: 14px;
    color: var(--primary-color);
    text-decoration: none;
}

.footer-links a:hover {
    text-decoration: underline;
}

/* ==========================================
   Responsive Design
   ========================================== */

@media (max-width: 768px) {
    /* Footer Partner - Mobile (rechner page only) */
    body.rechner-page .footer-rs-logo {
        max-width: 60px;
    }

    /* Container & Spacing */
    .container {
        padding: 0 var(--spacing-md);
        max-width: 100%;
    }

    /* Header - Mobile */
    .header {
        padding: var(--spacing-md) 0;
    }

    .logo {
        gap: 10px;
    }

    .logo svg {
        width: 40px;
        height: 40px;
    }

    .logo-text {
        font-size: 16px;
    }

    /* Progress Bar - Mobile Optimized */
    .progress-container {
        padding: var(--spacing-md) var(--spacing-sm);
    }

    .progress-steps {
        gap: 8px;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        padding-bottom: 8px;
    }

    .progress-step {
        flex-shrink: 0;
    }

    .step-label {
        font-size: 10px;
        white-space: nowrap;
    }

    .step-circle {
        width: 32px;
        height: 32px;
        font-size: 14px;
    }

    /* Headings - Mobile */
    .main-heading {
        font-size: 28px;
        line-height: 1.3;
        margin-bottom: var(--spacing-md);
    }

    .subtitle {
        font-size: 16px;
        line-height: 1.5;
    }

    .section-heading {
        font-size: 24px;
        margin-bottom: var(--spacing-md);
    }

    .section-subtitle {
        font-size: 15px;
        margin-bottom: var(--spacing-lg);
    }

    /* Hero Section - Mobile */
    .hero-section {
        padding: var(--spacing-xl) var(--spacing-md);
    }

    .benefits-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }

    .benefit-item {
        padding: var(--spacing-sm);
    }

    .benefit-icon {
        font-size: 18px;
    }

    .benefit-text {
        font-size: 14px;
    }

    /* Options Grid - Mobile */
    .options-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .option-card {
        padding: var(--spacing-lg);
    }

    .option-title {
        font-size: 20px;
    }

    .option-description {
        font-size: 14px;
    }

    /* Form - Mobile Optimized */
    .form-container {
        padding: var(--spacing-md);
    }

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

    .form-label {
        font-size: 15px;
    }

    .form-input,
    .form-textarea {
        padding: 14px 16px;
        font-size: 16px; /* Prevents zoom on iOS */
        min-height: 48px; /* Touch target */
    }

    .range-slider {
        height: 12px;
    }

    .range-values {
        font-size: 13px;
    }

    .range-current {
        font-size: 18px;
    }

    /* Calculation Result - Mobile */
    .calculation-result {
        padding: var(--spacing-lg);
        margin: var(--spacing-lg) 0;
    }

    .result-value {
        font-size: 32px;
    }

    .result-hint {
        font-size: 13px;
    }

    /* Buttons - Mobile */
    .button-group {
        flex-direction: column;
        width: 100%;
        gap: var(--spacing-sm);
    }

    .btn-primary,
    .btn-secondary {
        width: 100%;
        min-height: 48px; /* Touch target */
        padding: 14px 24px;
        font-size: 16px;
    }

    /* Timeline - Mobile */
    .timeline {
        gap: var(--spacing-md);
    }

    .timeline-item {
        padding: var(--spacing-md);
    }

    .timeline-icon {
        width: 44px;
        height: 44px;
        font-size: 20px;
    }

    .timeline-content h4 {
        font-size: 18px;
    }

    .timeline-content p {
        font-size: 14px;
    }

    /* Success Container - Mobile */
    .success-container {
        padding: var(--spacing-xl) var(--spacing-md);
    }

    /* Contact Details - Mobile */
    .contact-details {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .contact-item {
        font-size: 15px;
    }

    /* Footer - Mobile */
    .footer {
        padding: var(--spacing-lg) 0;
    }

    .footer-links {
        flex-direction: column;
        gap: var(--spacing-sm);
        align-items: center;
    }
}

@media (max-width: 480px) {
    /* Extra Small Devices */
    .container {
        padding: 0 var(--spacing-sm);
    }

    .logo svg {
        width: 36px;
        height: 36px;
    }

    .logo-text {
        font-size: 14px;
    }

    /* Typography - Very Small Screens */
    .main-heading {
        font-size: 24px;
        line-height: 1.3;
    }

    .section-heading {
        font-size: 22px;
    }

    .subtitle {
        font-size: 15px;
    }

    /* Progress Steps - Compact */
    .step-label {
        font-size: 9px;
    }

    .step-circle {
        width: 28px;
        height: 28px;
        font-size: 12px;
    }

    /* Options - Compact */
    .option-card {
        padding: var(--spacing-md);
    }

    .option-icon svg {
        width: 48px;
        height: 48px;
    }

    .option-title {
        font-size: 18px;
    }

    .option-description {
        font-size: 13px;
    }

    /* Forms - Very Small Screens */
    .form-container {
        padding: var(--spacing-sm);
    }

    .form-input,
    .form-textarea {
        font-size: 16px; /* Keep 16px to prevent zoom */
        padding: 12px 14px;
    }

    /* Result Display */
    .calculation-result {
        padding: var(--spacing-md);
    }

    .result-value {
        font-size: 28px;
    }

    .result-label {
        font-size: 14px;
    }

    /* Buttons - Extra Padding for Touch */
    .btn-primary,
    .btn-secondary {
        padding: 16px 24px;
        font-size: 15px;
    }

    /* Timeline - Compact */
    .timeline-item {
        padding: var(--spacing-sm);
    }

    .timeline-icon {
        width: 40px;
        height: 40px;
    }

    /* Success Screen */
    .success-icon svg {
        width: 60px;
        height: 60px;
    }

    .next-steps h3 {
        font-size: 18px;
    }

    .contact-info h3 {
        font-size: 18px;
    }
}

/* Touch Device Optimizations */
@media (hover: none) and (pointer: coarse) {
    /* All interactive elements minimum touch target */
    button,
    a,
    input[type="radio"],
    input[type="checkbox"],
    .option-card,
    .progress-step {
        min-height: 44px;
        min-width: 44px;
    }

    /* Larger touch targets for primary actions */
    .btn-primary,
    .btn-secondary {
        min-height: 48px;
        padding: 14px 28px;
    }

    /* Form inputs optimized for touch */
    .form-input,
    .form-textarea,
    select {
        min-height: 48px;
        font-size: 16px; /* Prevents iOS zoom */
    }

    /* Range slider - larger thumb for touch */
    .range-slider {
        height: 14px;
    }

    .range-slider::-webkit-slider-thumb {
        width: 28px;
        height: 28px;
    }

    .range-slider::-moz-range-thumb {
        width: 28px;
        height: 28px;
    }

    /* Radio buttons and checkboxes - larger */
    input[type="radio"],
    input[type="checkbox"] {
        width: 24px;
        height: 24px;
    }

    /* Option cards - better spacing */
    .option-card {
        padding: var(--spacing-lg);
        margin-bottom: var(--spacing-md);
    }

    /* Remove hover effects on touch */
    .option-card:hover,
    .btn-primary:hover,
    .btn-secondary:hover {
        transform: none;
    }

    /* Active feedback for touch */
    .btn-primary:active {
        transform: scale(0.98);
        opacity: 0.9;
    }

    .option-card:active {
        transform: scale(0.99);
        opacity: 0.95;
    }

    /* Prevent text selection on buttons */
    button,
    .btn-primary,
    .btn-secondary {
        -webkit-user-select: none;
        user-select: none;
        -webkit-tap-highlight-color: transparent;
    }
}

/* Landscape mode on mobile */
@media (max-width: 896px) and (orientation: landscape) {
    .hero-section {
        padding: var(--spacing-lg) var(--spacing-md);
    }

    .progress-container {
        padding: var(--spacing-sm);
    }

    .main-heading {
        font-size: 24px;
    }
}