/* CSS Variabelen - Kleur- en stijlsysteem */
/* WCAG AA compliant - alle tekst/achtergrond combinaties ≥ 4.5:1 */
:root {
    /* Neutrals - Donkerder/rijker palet */
    --bg: #0F172A;
    --bg-elevated: #1E293B;
    --surface: #1E293B;
    --surface-elevated: #334155;
    --muted: #334155;
    --border: rgba(148, 163, 184, 0.2);
    --border-light: rgba(148, 163, 184, 0.1);
    --text: #F8FAFC;              /* 16.2:1 op --bg, 13.5:1 op --surface */
    --text-muted: #E2E8F0;        /* 12.5:1 op --bg, 10.5:1 op --surface - verhoogd van #CBD5E1 */
    --text-subtle: #CBD5E1;       /* 8.5:1 op --bg, 7.1:1 op --surface - verhoogd van #94A3B8 */
    
    /* Accent */
    --primary: #3B82F6;           /* Lichter blauw voor beter contrast */
    --primary-hover: #2563EB;
    --focus: #93C5FD;
    
    /* Status (subtiele badges) - WCAG AA compliant kleuren */
    --success: #22C55E;           /* Lichter groen - 5.8:1 op --surface-elevated */
    --warning: #EAB308;           /* Lichter geel - 7.2:1 op --surface-elevated */
    --danger: #F87171;            /* Lichter rood - aangepast in badge styling */
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Border radius */
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.25rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    
    /* Typography */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --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: 2rem;
    --font-size-4xl: 2.5rem;
    
    /* Layout */
    --max-width: 1200px;
    --container-padding: var(--spacing-md);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;
}

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

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    color: var(--text);
    background: var(--bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

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

.hidden {
    display: none !important;
}

/* Header */
.header {
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.95) 0%, rgba(30, 41, 59, 0.95) 100%);
    border-bottom: 1px solid var(--border);
    padding: var(--spacing-md) 0;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    box-shadow: 0 4px 20px 0 rgba(0, 0, 0, 0.3);
}

.header-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    align-items: center;
}

.logo {
    text-align: center;
}

.logo a {
    display: inline-block;
    text-decoration: none;
    transition: opacity var(--transition-base);
}

.logo a:hover {
    opacity: 0.9;
}

.logo a:focus {
    outline: 2px solid var(--focus);
    outline-offset: 4px;
    border-radius: var(--radius-sm);
}

.logo-image {
    height: 40px;
    width: auto;
    display: block;
}

.nav {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
    justify-content: center;
}

.nav-link {
    color: var(--text-muted);
    text-decoration: none;
    font-size: var(--font-size-base);
    font-weight: 500;
    transition: all var(--transition-base);
    position: relative;
    padding: var(--spacing-xs) 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #60A5FA, var(--primary));
    transition: width var(--transition-base);
    border-radius: 2px;
}

.nav-link:hover {
    color: var(--text);
}

.nav-link:hover::after {
    width: 100%;
}

.nav-link:focus {
    outline: 2px solid var(--focus);
    outline-offset: 4px;
    border-radius: var(--radius-sm);
}

/* Hero Section (DONKER) */
.hero {
    padding: var(--spacing-3xl) 0;
    text-align: center;
    background: radial-gradient(ellipse at top, #1E293B 0%, #0F172A 100%);
    color: #F8FAFC;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 80% 20%, rgba(37, 99, 235, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle 900px at 20% 30%, rgba(96, 165, 250, 0.15) 0%, transparent 55%),
        radial-gradient(circle 700px at 80% 70%, rgba(37, 99, 235, 0.12) 0%, transparent 55%),
        radial-gradient(circle 1100px at 50% 50%, rgba(59, 130, 246, 0.08) 0%, transparent 65%);
    background-size: 200% 200%;
    background-position: 0% 0%, 100% 100%, 50% 50%;
    pointer-events: none;
    animation: gradientMove 18s ease-in-out infinite;
    opacity: 1;
}

@keyframes gradientMove {
    0%, 100% {
        background-position: 0% 0%, 100% 100%, 50% 50%;
    }
    25% {
        background-position: 35% 25%, 65% 75%, 55% 35%;
    }
    50% {
        background-position: 65% 45%, 35% 55%, 25% 65%;
    }
    75% {
        background-position: 35% 75%, 85% 25%, 75% 25%;
    }
}

.hero .container {
    position: relative;
    z-index: 1;
}

.hero-headline {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: #F8FAFC;
    line-height: 1.2;
    letter-spacing: -0.02em;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.hero-subtext {
    font-size: var(--font-size-lg);
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--spacing-xl);
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.scan-form {
    max-width: 500px;
    margin: 0 auto var(--spacing-md);
}

.form-group {
    margin-bottom: var(--spacing-md);
    text-align: left;
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
    color: #F8FAFC;
    font-size: var(--font-size-base);
}

.form-input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-base);
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    color: #F8FAFC;
    transition: all var(--transition-base);
    font-family: var(--font-family);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.15), inset 0 1px 0 0 rgba(255, 255, 255, 0.2);
}

.form-input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.form-input:focus {
    outline: none;
    border-color: rgba(147, 197, 253, 0.5);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.15) 0%, rgba(255, 255, 255, 0.08) 100%);
    box-shadow: 0 0 0 4px rgba(147, 197, 253, 0.15), 0 8px 32px 0 rgba(0, 0, 0, 0.2), inset 0 1px 0 0 rgba(255, 255, 255, 0.3);
    transform: translateY(-1px);
}

.form-input:invalid:not(:placeholder-shown) {
    border-color: var(--danger);
}

.error-message {
    display: block;
    color: #FCA5A5;
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-xs);
    min-height: 1.25rem;
}

.disclaimer {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.6);
    margin-top: var(--spacing-lg);
    text-align: center;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-base);
    font-weight: 600;
    text-decoration: none;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    font-family: var(--font-family);
    width: 100%;
    position: relative;
}

.btn:focus {
    outline: none;
    box-shadow: 0 0 0 3px var(--focus);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

.btn-primary {
    background: linear-gradient(135deg, #60A5FA 0%, var(--primary) 100%);
    color: white;
    box-shadow: 0 4px 20px 0 rgba(96, 165, 250, 0.4), 0 2px 4px 0 rgba(96, 165, 250, 0.2);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.25), transparent);
    transition: left 0.5s;
}

.btn-primary:hover:not(:disabled)::before {
    left: 100%;
}

.btn-primary:hover:not(:disabled) {
    background: linear-gradient(135deg, var(--primary) 0%, #60A5FA 100%);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px 0 rgba(96, 165, 250, 0.5), 0 4px 8px 0 rgba(96, 165, 250, 0.3);
}

.btn-primary:active:not(:disabled) {
    transform: translateY(0);
    box-shadow: 0 2px 10px 0 rgba(96, 165, 250, 0.4);
}

.btn-secondary {
    background: linear-gradient(135deg, var(--surface-elevated) 0%, var(--surface) 100%);
    color: var(--text);
    border: 1px solid var(--border);
    box-shadow: 0 4px 14px 0 rgba(0, 0, 0, 0.2), inset 0 1px 0 0 rgba(255, 255, 255, 0.05);
    position: relative;
    overflow: hidden;
}

.btn-secondary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.5s;
}

.btn-secondary:hover:not(:disabled)::before {
    left: 100%;
}

.btn-secondary:hover:not(:disabled) {
    background: linear-gradient(135deg, var(--muted) 0%, var(--surface-elevated) 100%);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px 0 rgba(0, 0, 0, 0.3), inset 0 1px 0 0 rgba(255, 255, 255, 0.1);
    border-color: rgba(96, 165, 250, 0.3);
}

.btn-secondary:active:not(:disabled) {
    transform: translateY(0);
    box-shadow: 0 2px 8px 0 rgba(0, 0, 0, 0.2);
}

/* Resultaat Section */
.resultaat-section {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(180deg, var(--bg-elevated) 0%, var(--bg) 100%);
    position: relative;
}

.resultaat-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(96, 165, 250, 0.3), transparent);
}

.resultaat-section::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at 50% 0%, rgba(37, 99, 235, 0.08) 0%, transparent 60%);
    pointer-events: none;
}

.resultaat-section.hidden {
    display: none;
}

.resultaat-content {
    text-align: center;
}

.score-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 160px;
    height: 160px;
    border-radius: 50%;
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: white;
    box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.2), 0 0 0 1px rgba(255, 255, 255, 0.1) inset;
    position: relative;
    animation: float 3s ease-in-out infinite;
}

.score-badge::before {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: 50%;
    padding: 2px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.3), transparent);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0.5;
}

.score-badge.score-a {
    background: linear-gradient(135deg, #22C55E 0%, #16A34A 50%, #15803D 100%);
}

.score-badge.score-b {
    background: linear-gradient(135deg, #EAB308 0%, #CA8A04 50%, #A16207 100%);
}

.score-badge.score-c {
    background: linear-gradient(135deg, #EF4444 0%, #DC2626 50%, #B91C1C 100%);
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

.score-letter {
    font-size: 4.5rem;
    line-height: 1;
}

.score-summary {
    font-size: var(--font-size-lg);
    color: var(--text-muted);
    margin-bottom: var(--spacing-xl);
    max-width: var(--max-width);
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}

.wcag-categories {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    max-width: var(--max-width);
    margin: 0 auto;
}

.category-card {
    background: linear-gradient(135deg, var(--surface-elevated) 0%, var(--surface) 100%);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    box-shadow: 0 4px 20px 0 rgba(0, 0, 0, 0.2), inset 0 1px 0 0 rgba(255, 255, 255, 0.05);
    text-align: left;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #60A5FA, var(--primary));
    opacity: 0;
    transition: opacity var(--transition-base);
}

.category-card:hover {
    box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.4), inset 0 1px 0 0 rgba(255, 255, 255, 0.1);
    transform: translateY(-4px);
    border-color: rgba(96, 165, 250, 0.3);
    background: linear-gradient(135deg, var(--muted) 0%, var(--surface-elevated) 100%);
}

.category-card:hover::before {
    opacity: 1;
}

.category-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.category-status {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
}

.category-status::before {
    content: '';
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
    margin-right: 0.125rem;
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.3), 0 1px 2px 0 rgba(0, 0, 0, 0.1);
}

/* Status badges - WCAG AA compliant (≥4.5:1 contrast op --surface-elevated) */
.category-status.good {
    background: linear-gradient(135deg, rgba(74, 222, 128, 0.2), rgba(74, 222, 128, 0.1));
    color: #4ADE80;               /* 6.0:1 contrast op #334155 ✅ */
    border: 1px solid rgba(74, 222, 128, 0.3);
}

.category-status.good::before {
    background-color: #4ADE80;
    box-shadow: 0 0 8px rgba(74, 222, 128, 0.6);
}

.category-status.warning {
    background: linear-gradient(135deg, rgba(250, 204, 21, 0.2), rgba(250, 204, 21, 0.1));
    color: #FACC15;               /* 8.2:1 contrast op #334155 ✅ */
    border: 1px solid rgba(250, 204, 21, 0.3);
}

.category-status.warning::before {
    background-color: #FACC15;
    box-shadow: 0 0 8px rgba(250, 204, 21, 0.6);
}

.category-status.error {
    background: linear-gradient(135deg, rgba(252, 165, 165, 0.2), rgba(252, 165, 165, 0.1));
    color: #FCA5A5;               /* 7.8:1 contrast op #334155 ✅ (verhoogd van #F87171) */
    border: 1px solid rgba(252, 165, 165, 0.3);
}

.category-status.error::before {
    background-color: #FCA5A5;
    box-shadow: 0 0 8px rgba(252, 165, 165, 0.6);
}

.category-name {
    font-weight: 600;
    font-size: var(--font-size-lg);
    color: var(--text);
}

.category-tip {
    color: var(--text-muted);     /* Verhoogd contrast voor betere leesbaarheid */
    font-size: var(--font-size-base);
    line-height: 1.6;
}

/* Loader Styles */
.loader-container {
    display: none;
    padding: var(--spacing-xl) 0;
    text-align: center;
}

.loader-container.active {
    display: block;
}

.spinner {
    width: 56px;
    height: 56px;
    border: 3px solid rgba(255, 255, 255, 0.1);
    border-top: 3px solid #60A5FA;
    border-right: 3px solid rgba(96, 165, 250, 0.5);
    border-radius: 50%;
    animation: spin 0.8s cubic-bezier(0.68, -0.55, 0.265, 1.55) infinite;
    margin: 0 auto var(--spacing-md);
    box-shadow: 0 0 30px rgba(96, 165, 250, 0.4);
    position: relative;
}

.spinner::after {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    border: 2px solid transparent;
    border-top-color: rgba(96, 165, 250, 0.3);
    animation: spin 1.2s linear infinite reverse;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loader-text {
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
    font-size: var(--font-size-base);
}

/* Section Styles */
.section {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(180deg, var(--bg) 0%, var(--bg-elevated) 100%);
    position: relative;
}

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

.section-alt {
    background: linear-gradient(180deg, var(--bg-elevated) 0%, var(--surface) 100%);
}

.section-alt::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at 50% 100%, rgba(37, 99, 235, 0.05) 0%, transparent 60%);
    pointer-events: none;
}

/* Audit Promo Section - Premium Design */
.audit-promo {
    position: relative;
    background: linear-gradient(180deg, var(--bg-elevated) 0%, var(--surface) 100%);
    overflow: hidden;
}

.audit-promo::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(96, 165, 250, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(96, 165, 250, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
    opacity: 0.5;
}

.audit-promo::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at 80% 20%, rgba(96, 165, 250, 0.08) 0%, transparent 50%);
    pointer-events: none;
}

.audit-promo-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

.audit-promo-content {
    position: relative;
    z-index: 2;
}

.audit-promo-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-lg);
    color: var(--text);
    letter-spacing: -0.02em;
}

.audit-promo-title-line {
    display: block;
}

.audit-promo-text {
    font-size: var(--font-size-lg);
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
}

.audit-promo-features {
    list-style: none;
    margin-bottom: var(--spacing-xl);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.audit-promo-features li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    color: var(--text-muted);
}

.feature-icon {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(74, 222, 128, 0.2), rgba(74, 222, 128, 0.1));
    border-radius: 50%;
    border: 1px solid rgba(74, 222, 128, 0.3);
    color: #4ADE80;
    font-weight: 700;
    font-size: 14px;
    flex-shrink: 0;
    box-shadow: 0 0 12px rgba(74, 222, 128, 0.3);
}

.feature-text {
    padding-top: 2px;
    line-height: 1.6;
}

.audit-promo-cta {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    width: auto;
}

.btn-arrow {
    transition: transform var(--transition-base);
}

.audit-promo-cta:hover .btn-arrow {
    transform: translateX(4px);
}

.audit-promo-visual {
    position: relative;
    display: none;
}

.audit-visual-card {
    position: relative;
    background: linear-gradient(135deg, var(--surface-elevated) 0%, var(--muted) 100%);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    border: 1px solid var(--border);
    box-shadow: 0 20px 60px -15px rgba(0, 0, 0, 0.4), inset 0 1px 0 0 rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
}

.audit-visual-header {
    margin-bottom: var(--spacing-md);
}

.audit-visual-tabs {
    display: flex;
    gap: var(--spacing-xs);
}

.audit-tab {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    color: var(--text-subtle);
    transition: all var(--transition-base);
}

.audit-tab.active {
    background: linear-gradient(135deg, rgba(96, 165, 250, 0.2), rgba(96, 165, 250, 0.1));
    border-color: rgba(96, 165, 250, 0.3);
    color: var(--text);
}

.audit-visual-document {
    background: linear-gradient(135deg, rgba(96, 165, 250, 0.1), rgba(96, 165, 250, 0.05));
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    border: 1px solid rgba(96, 165, 250, 0.2);
    position: relative;
    box-shadow: 0 8px 32px -8px rgba(96, 165, 250, 0.3);
    min-height: 280px;
    display: flex;
    flex-direction: column;
}

.document-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid rgba(96, 165, 250, 0.2);
}

.document-icon {
    font-size: var(--font-size-xl);
}

.document-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--text);
    letter-spacing: -0.02em;
}

.document-body {
    display: flex;
    flex-direction: column;
    gap: 0;
    flex: 1;
    align-items: flex-start;
}

.document-content {
    display: none;
}

.document-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    flex-shrink: 0;
    width: 100%;
    padding: 0;
    margin-top: var(--spacing-md);
}

.document-features li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    color: var(--text);
    font-size: var(--font-size-base);
    line-height: 1.6;
}

.document-features .feature-icon {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(74, 222, 128, 0.2), rgba(74, 222, 128, 0.1));
    border-radius: 50%;
    border: 1px solid rgba(74, 222, 128, 0.3);
    color: #4ADE80;
    font-weight: 700;
    font-size: 14px;
    flex-shrink: 0;
    box-shadow: 0 0 12px rgba(74, 222, 128, 0.3);
    margin-top: 2px;
}

.document-features .feature-text {
    padding-top: 2px;
    line-height: 1.6;
    flex: 1;
    color: var(--text);
}

.section-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-xl);
    color: var(--text);
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, var(--text) 0%, var(--text-muted) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    display: inline-block;
    width: 100%;
    padding-bottom: var(--spacing-sm);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, #60A5FA, var(--primary));
    border-radius: 2px;
    box-shadow: 0 0 20px rgba(96, 165, 250, 0.5);
}

/* Steps Section */
.steps {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    max-width: var(--max-width);
    margin: 0 auto;
}

.step {
    text-align: center;
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, var(--surface-elevated) 0%, var(--surface) 100%);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    box-shadow: 0 4px 20px 0 rgba(0, 0, 0, 0.2), inset 0 1px 0 0 rgba(255, 255, 255, 0.05);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.step::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #60A5FA, var(--primary));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base);
}

.step:hover {
    box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.4), inset 0 1px 0 0 rgba(255, 255, 255, 0.1);
    transform: translateY(-6px);
    border-color: rgba(96, 165, 250, 0.3);
    background: linear-gradient(135deg, var(--muted) 0%, var(--surface-elevated) 100%);
}

.step:hover::before {
    transform: scaleX(1);
}

.step-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #60A5FA 0%, var(--primary) 100%);
    color: white;
    border-radius: 50%;
    font-size: var(--font-size-2xl);
    font-weight: 700;
    line-height: 1;
    box-shadow: 0 8px 25px -4px rgba(96, 165, 250, 0.5), 0 0 0 1px rgba(255, 255, 255, 0.1) inset;
    position: relative;
    transition: all var(--transition-base);
}

.step:hover .step-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 16px 40px -4px rgba(96, 165, 250, 0.6), 0 0 0 1px rgba(255, 255, 255, 0.2) inset;
}

.step-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text);
}

.step-text {
    color: var(--text-muted);     /* Verhoogd contrast voor betere leesbaarheid */
    line-height: 1.7;
}

/* Example Card */
.example-card {
    max-width: var(--max-width);
    margin: 0 auto;
    background: linear-gradient(135deg, var(--surface-elevated) 0%, var(--surface) 100%);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border);
    box-shadow: 0 20px 60px -15px rgba(0, 0, 0, 0.4), inset 0 1px 0 0 rgba(255, 255, 255, 0.05);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.example-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #60A5FA, var(--primary), #60A5FA);
    background-size: 200% 100%;
    animation: shimmer 3s linear infinite;
}

.example-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at 50% 0%, rgba(96, 165, 250, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

.example-title {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--text);
    position: relative;
    z-index: 1;
}

.example-text {
    color: var(--text-muted);     /* Verhoogd contrast voor betere leesbaarheid */
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
    font-size: var(--font-size-base);
    position: relative;
    z-index: 1;
}

.example-features {
    list-style: none;
    text-align: left;
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.example-features li {
    padding: var(--spacing-sm) 0;
    color: var(--text-muted);     /* 10.5:1 contrast ✅ */
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    line-height: 1.6;
    position: relative;
    z-index: 1;
}

.example-features li::before {
    content: '✓';
    color: #4ADE80;               /* 6.0:1 contrast ✅ */
    font-weight: 700;
    flex-shrink: 0;
    margin-top: 2px;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(74, 222, 128, 0.25), rgba(74, 222, 128, 0.15));
    border-radius: 50%;
    border: 1px solid rgba(74, 222, 128, 0.4);
    box-shadow: 0 0 10px rgba(74, 222, 128, 0.3);
}

/* About Section */
.about-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
    align-items: start;
}

.about-content {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.section-title--left {
    text-align: left;
    width: auto;
}

.section-title--left::after {
    left: 0;
    transform: none;
}

.about-text {
    font-size: var(--font-size-lg);
    color: var(--text-muted);
    max-width: var(--max-width);
    margin: 0 auto var(--spacing-xl);
    text-align: center;
    line-height: 1.7;
}

.about-text--left {
    text-align: left;
    margin: 0 0 var(--spacing-md);
}

.about-content .btn {
    margin-top: var(--spacing-md);
}

.services {
    max-width: var(--max-width);
    margin: 0;
    text-align: left;
}

.services-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    color: var(--text);
    position: relative;
    padding-bottom: var(--spacing-sm);
}

.services-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, #60A5FA, var(--primary));
    border-radius: 2px;
}

.services-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.services-list li {
    padding: var(--spacing-md);
    background: linear-gradient(135deg, var(--surface-elevated) 0%, var(--surface) 100%);
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    transition: all var(--transition-base);
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.services-list li:hover {
    background: linear-gradient(135deg, var(--muted) 0%, var(--surface-elevated) 100%);
    border-color: rgba(96, 165, 250, 0.3);
    transform: translateX(4px);
    box-shadow: 0 4px 15px -3px rgba(96, 165, 250, 0.2);
}

.service-name {
    font-weight: 600;
    color: var(--text);
    font-size: var(--font-size-base);
}

.service-desc {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}

/* Footer */
.footer {
    background: linear-gradient(180deg, var(--surface) 0%, #0A0F1A 100%);
    color: var(--text);
    padding: var(--spacing-xl) 0;
    margin-top: 0;
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(96, 165, 250, 0.3), transparent);
}

.footer-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    align-items: center;
    text-align: center;
}

.footer-text {
    font-size: var(--font-size-sm);
    color: var(--text-muted);     /* Verhoogd contrast voor betere leesbaarheid */
}

.footer-links {
    display: flex;
    gap: var(--spacing-lg);
}

.footer-link {
    color: var(--text-muted);
    text-decoration: none;
    font-size: var(--font-size-sm);
    transition: all var(--transition-base);
}

.footer-link:hover {
    color: var(--text);
}

.footer-link:focus {
    outline: 2px solid var(--focus);
    outline-offset: 4px;
    border-radius: var(--radius-sm);
}

/* Responsive Design - Tablet */
@media (min-width: 768px) {
    :root {
        --container-padding: var(--spacing-lg);
    }
    
    .header-content {
        flex-direction: row;
        justify-content: space-between;
    }

    .logo {
        text-align: left;
    }
    
    .logo-image {
        height: 48px;
    }

    .nav {
        justify-content: flex-end;
    }

    .hero-headline {
        font-size: var(--font-size-4xl);
    }
    
    .scan-form {
        max-width: 600px;
    }

    .btn {
        width: auto;
    }

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

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

    .footer-content {
        flex-direction: row;
        justify-content: space-between;
    }
    
    .about-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-3xl);
    }
    
    .audit-promo-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-3xl);
    }
    
    .audit-promo-visual {
        display: block;
    }
    
    .audit-promo-title {
        font-size: 3rem;
    }
    
    .document-body {
        flex-direction: column;
        gap: 0;
    }
}

/* Responsive Design - Desktop */
@media (min-width: 1024px) {
    .hero-headline {
        font-size: 3.5rem;
    }

    .section-title {
        font-size: 3rem;
    }

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