/* ============================================
   NOSTRADO CORPORATE PREMIUM DESIGN SYSTEM
   Master-CSS für alle Plattform-Seiten
   Farben: #1e3a5f (Blau) | #d4af37 (Gold)
   ============================================ */

/* ============================================
   1. CSS-VARIABLEN (Design Tokens)
   ============================================ */
:root {
    /* Corporate Farbpalette */
    --corp-blue-dark: #1e3a5f;
    --corp-blue: #2c5282;
    --corp-blue-light: #4299e1;
    --corp-blue-lighter: #ebf8ff;
    --corp-gold: #d4af37;
    --corp-gold-light: #f6e05e;
    --corp-gold-dark: #b8860b;
    
    /* Textfarben */
    --text-primary: #1a202c;
    --text-secondary: #4a5568;
    --text-muted: #718096;
    --text-white: #ffffff;
    
    /* Hintergründe */
    --bg-white: #ffffff;
    --bg-light: #f7fafc;
    --bg-gray: #edf2f7;
    --bg-dark: #1e3a5f;
    
    /* Statusfarben */
    --success: #48bb78;
    --warning: #ed8936;
    --error: #f56565;
    --info: #4299e1;
    
    /* Abstände */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    
    /* Typografie */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
    --text-6xl: 3.75rem;
    
    /* Schatten */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 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);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-gold: 0 0 30px rgba(212, 175, 55, 0.4);
    --shadow-blue: 0 0 30px rgba(30, 58, 95, 0.3);
    
    /* Animationen */
    --transition-fast: 150ms ease;
    --transition: 300ms ease;
    --transition-slow: 500ms ease;
    
    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
}

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

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

body {
    font-family: var(--font-primary);
    color: var(--text-primary);
    line-height: 1.6;
    background: var(--bg-white);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img, video, svg {
    max-width: 100%;
    height: auto;
    display: block;
}

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

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

ul, ol {
    list-style: none;
}

/* ============================================
   3. LAYOUT & CONTAINER
   ============================================ */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.container-narrow {
    max-width: 800px;
}

.container-wide {
    max-width: 1400px;
}

.section {
    padding: var(--space-4xl) 0;
}

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

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

/* ============================================
   4. TYPOGRAPHY
   ============================================ */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-xs { font-size: var(--text-xs); }
.text-sm { font-size: var(--text-sm); }
.text-base { font-size: var(--text-base); }
.text-lg { font-size: var(--text-lg); }
.text-xl { font-size: var(--text-xl); }
.text-2xl { font-size: var(--text-2xl); }
.text-3xl { font-size: var(--text-3xl); }
.text-4xl { font-size: var(--text-4xl); }
.text-5xl { font-size: var(--text-5xl); }
.text-6xl { font-size: var(--text-6xl); }

.font-normal { font-weight: 400; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.font-extrabold { font-weight: 800; }

.text-primary { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }
.text-muted { color: var(--text-muted); }
.text-white { color: var(--text-white); }
.text-blue { color: var(--corp-blue); }
.text-gold { color: var(--corp-gold); }
.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.text-error { color: var(--error); }

/* ============================================
   5. BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: var(--text-base);
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
    text-align: center;
    white-space: nowrap;
}

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

.btn:hover::after {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, var(--corp-gold) 0%, var(--corp-gold-light) 100%);
    color: var(--corp-blue-dark);
    box-shadow: var(--shadow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-gold);
}

.btn-secondary {
    background: var(--bg-white);
    color: var(--corp-blue-dark);
    border: 2px solid var(--corp-blue-dark);
}

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

.btn-ghost {
    background: transparent;
    color: var(--corp-blue);
    border: 1px solid transparent;
}

.btn-ghost:hover {
    background: var(--bg-light);
    border-color: var(--bg-gray);
}

.btn-dark {
    background: var(--corp-blue-dark);
    color: var(--text-white);
}

.btn-dark:hover {
    background: var(--corp-blue);
}

.btn-small {
    padding: var(--space-sm) var(--space-md);
    font-size: var(--text-sm);
}

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

.btn-full {
    width: 100%;
}

.btn-glow {
    animation: glow 2s ease-in-out infinite;
}

@keyframes glow {
    0%, 100% { box-shadow: 0 0 20px rgba(212, 175, 55, 0.4); }
    50% { box-shadow: 0 0 40px rgba(212, 175, 55, 0.6); }
}

.btn-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

/* ============================================
   6. FORMULARE & INPUTS
   ============================================ */
.form-group {
    margin-bottom: var(--space-lg);
}

.form-label {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
    font-size: var(--text-sm);
}

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

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: var(--space-md);
    border: 2px solid var(--bg-gray);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: var(--text-base);
    color: var(--text-primary);
    background: var(--bg-white);
    transition: all var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--corp-blue);
    box-shadow: 0 0 0 3px rgba(30, 58, 95, 0.1);
}

.form-input::placeholder {
    color: var(--text-muted);
}

.form-input-error {
    border-color: var(--error);
}

.form-input-error:focus {
    box-shadow: 0 0 0 3px rgba(245, 101, 101, 0.1);
}

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

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

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

.form-checkbox,
.form-radio {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    cursor: pointer;
}

.form-checkbox input,
.form-radio input {
    width: 20px;
    height: 20px;
    margin-top: 2px;
    accent-color: var(--corp-blue);
}

.form-checkbox-label,
.form-radio-label {
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

/* ============================================
   7. CARDS & CONTAINERS
   ============================================ */
.card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: all var(--transition);
}

.card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.card-header {
    padding: var(--space-lg);
    border-bottom: 1px solid var(--bg-gray);
}

.card-body {
    padding: var(--space-lg);
}

.card-footer {
    padding: var(--space-lg);
    border-top: 1px solid var(--bg-gray);
    background: var(--bg-light);
}

.card-premium {
    border: 2px solid var(--corp-gold);
    position: relative;
}

.card-premium::before {
    content: 'Premium';
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--corp-gold);
    color: var(--corp-blue-dark);
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 700;
    text-transform: uppercase;
}

/* ============================================
   8. NAVIGATION & HEADER
   ============================================ */
.header {
    background: var(--bg-white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: 800;
    font-size: var(--text-xl);
    color: var(--corp-blue-dark);
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--corp-gold) 0%, var(--corp-gold-light) 100%);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--corp-blue-dark);
}

.nav {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.nav-link {
    font-weight: 500;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

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

.nav-link-active {
    color: var(--corp-blue-dark);
    font-weight: 600;
}

/* ============================================
   9. TRUST BAR
   ============================================ */
.trust-bar {
    background: linear-gradient(135deg, var(--corp-blue-dark) 0%, var(--corp-blue) 100%);
    color: var(--text-white);
    padding: var(--space-md) 0;
    position: relative;
    overflow: hidden;
}

.trust-bar::before {
    content: '';
    position: absolute;
    top: 0;
    left: -50%;
    width: 200%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.trust-bar-content {
    display: flex;
    justify-content: space-around;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-md);
    position: relative;
    z-index: 1;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--text-sm);
}

.trust-item strong {
    font-size: var(--text-lg);
    color: var(--corp-gold-light);
}

.trust-icon {
    width: 24px;
    height: 24px;
    stroke: var(--corp-gold);
}

/* ============================================
   10. HERO SECTION
   ============================================ */
.hero {
    background: linear-gradient(135deg, var(--bg-light) 0%, var(--bg-white) 100%);
    padding: var(--space-4xl) 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(66, 153, 225, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.hero-content {
    max-width: 600px;
}

.hero-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--corp-gold) 0%, var(--corp-gold-light) 100%);
    color: var(--corp-blue-dark);
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-md);
    box-shadow: var(--shadow);
}

.hero-title {
    font-size: var(--text-5xl);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--space-lg);
    color: var(--corp-blue-dark);
}

.gradient-text {
    background: linear-gradient(135deg, var(--corp-blue) 0%, var(--corp-gold) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: var(--text-xl);
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
    line-height: 1.6;
}

/* Hero Visual / Certificate Preview */
.hero-visual {
    position: relative;
}

.certificate-preview {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.cert-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    box-shadow: var(--shadow-xl);
    width: 280px;
    border: 2px solid var(--corp-gold);
    position: relative;
    z-index: 2;
}

.floating {
    animation: float 6s ease-in-out infinite;
}

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

.cert-header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-md);
    border-bottom: 2px solid var(--corp-gold-light);
}

.cert-logo {
    width: 28px;
    height: 28px;
    fill: var(--corp-blue);
}

.cert-label {
    font-size: var(--text-xs);
    font-weight: 700;
    color: var(--corp-blue);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.cert-body h4 {
    font-size: var(--text-xl);
    color: var(--corp-blue-dark);
    margin-bottom: var(--space-xs);
}

.cert-body p {
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

.cert-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--space-lg);
    padding-top: var(--space-md);
    border-top: 1px solid var(--bg-gray);
    font-size: var(--text-xs);
    color: var(--text-muted);
}

.checkmark {
    color: var(--success);
    font-weight: 700;
    font-size: var(--text-lg);
}

.stat-card {
    background: var(--bg-white);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    box-shadow: var(--shadow);
    position: absolute;
    text-align: center;
}

.stat-card-1 {
    top: 20px;
    right: -20px;
    z-index: 3;
}

.stat-card-2 {
    bottom: 20px;
    right: -40px;
    z-index: 3;
}

.stat-number {
    display: block;
    font-size: var(--text-2xl);
    font-weight: 800;
    color: var(--corp-blue-dark);
}

.stat-label {
    font-size: var(--text-xs);
    color: var(--text-muted);
}

/* ============================================
   11. VIDEO COMPONENTS
   ============================================ */
.video-container {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    margin-bottom: var(--space-xl);
    cursor: pointer;
    transition: transform var(--transition);
}

.video-container:hover {
    transform: scale(1.02);
}

.video-container:hover .video-overlay {
    background: rgba(0, 0, 0, 0.4);
}

.video-thumb {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: background var(--transition);
}

.play-button {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition);
}

.play-button:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-gold);
}

.play-icon {
    width: 32px;
    height: 32px;
    fill: var(--corp-blue-dark);
    margin-left: 4px;
}

.video-duration {
    color: white;
    font-size: var(--text-sm);
    margin-top: var(--space-md);
    margin-bottom: var(--space-sm);
    text-shadow: 0 2px 4px rgba(0,0,0,0.5);
    font-weight: 500;
}

.video-badge {
    display: inline-block;
    background: var(--corp-gold);
    color: var(--corp-blue-dark);
    font-size: var(--text-xs);
    font-weight: 700;
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    box-shadow: 0 4px 12px rgba(212, 175, 55, 0.4);
}

/* Video Modal */
.video-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: var(--space-lg);
}

.video-modal.active {
    display: flex;
    animation: fadeIn 0.3s ease;
}

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

.video-modal-content {
    position: relative;
    width: 100%;
    max-width: 900px;
    background: black;
    border-radius: var(--radius-md);
    overflow: hidden;
}

.video-close {
    position: absolute;
    top: -40px;
    right: 0;
    color: white;
    font-size: 32px;
    line-height: 1;
    cursor: pointer;
    transition: color var(--transition-fast);
}

.video-close:hover {
    color: var(--corp-gold);
}

.video-wrapper {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.video-modal-footer {
    background: var(--bg-light);
    padding: var(--space-md) var(--space-lg);
    text-align: center;
    border-top: 1px solid var(--bg-gray);
}

.video-modal-footer p {
    margin: 0;
    color: var(--text-secondary);
    font-size: var(--text-base);
}

.modal-cta {
    color: var(--corp-blue);
    font-weight: 700;
    text-decoration: underline;
    text-decoration-color: var(--corp-gold);
    text-underline-offset: 3px;
    transition: all var(--transition-fast);
}

.modal-cta:hover {
    color: var(--corp-blue-dark);
    text-decoration-thickness: 2px;
}

/* Video Container Hover Effects */
.video-container {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    transition: transform var(--transition), box-shadow var(--transition);
}

.video-container:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl), 0 0 40px rgba(212, 175, 55, 0.2);
}

.video-container:hover .play-button {
    transform: scale(1.1);
    background: var(--corp-gold);
}

.video-container:hover .video-thumb {
    transform: scale(1.05);
}

.video-thumb {
    width: 100%;
    height: auto;
    display: block;
    transition: transform var(--transition-slow);
}

/* ============================================
   12. SOCIAL PROOF
   ============================================ */
.social-proof {
    background: var(--bg-light);
    padding: var(--space-2xl) 0;
    border-top: 1px solid var(--bg-gray);
    border-bottom: 1px solid var(--bg-gray);
}

.social-proof-title {
    text-align: center;
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-lg);
}

.social-proof-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-2xl);
    flex-wrap: wrap;
}

.company-logo {
    opacity: 0.6;
    transition: opacity var(--transition);
}

.company-logo:hover {
    opacity: 1;
}

.company-logo svg {
    height: 30px;
    width: auto;
    fill: var(--text-muted);
}

/* ============================================
   13. MODULE PREVIEW
   ============================================ */
.module-preview {
    padding: var(--space-4xl) 0;
    background: var(--bg-white);
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--space-3xl);
}

.section-badge {
    display: inline-block;
    background: var(--corp-blue-light);
    color: var(--text-white);
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-md);
}

.section-title {
    font-size: var(--text-4xl);
    font-weight: 800;
    color: var(--corp-blue-dark);
    margin-bottom: var(--space-md);
}

.section-subtitle {
    font-size: var(--text-lg);
    color: var(--text-secondary);
}

.preview-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    border: 1px solid var(--bg-gray);
}

.preview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-xl);
    background: var(--bg-light);
    cursor: pointer;
    transition: background var(--transition);
}

.preview-header:hover {
    background: var(--bg-gray);
}

.preview-meta h3 {
    font-size: var(--text-xl);
    color: var(--corp-blue-dark);
    margin-bottom: var(--space-xs);
}

.preview-number {
    display: inline-block;
    background: var(--corp-blue);
    color: var(--text-white);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.preview-stats {
    display: flex;
    gap: var(--space-lg);
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

.preview-stats span {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.preview-stats svg {
    width: 16px;
    height: 16px;
    stroke: var(--corp-blue);
}

.preview-toggle {
    color: var(--corp-blue);
}

.preview-progress {
    height: 3px;
    background: var(--bg-gray);
}

.preview-progress-bar {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--corp-blue) 0%, var(--corp-gold) 100%);
    transition: width 0.3s;
}

.preview-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow);
}

.preview-content.active {
    max-height: 1000px;
}

.video-lesson {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--space-xl);
    padding: var(--space-xl);
}

.lesson-thumbnail {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
}

.lesson-thumbnail img {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.lesson-play {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(255, 255, 255, 0.95);
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: 600;
    box-shadow: var(--shadow-lg);
    transition: transform var(--transition);
}

.lesson-thumbnail:hover .lesson-play {
    transform: translate(-50%, -50%) scale(1.05);
}

.lesson-play svg {
    width: 20px;
    height: 20px;
    fill: var(--corp-blue-dark);
}

.lesson-badge {
    position: absolute;
    top: var(--space-md);
    left: var(--space-md);
    background: var(--success);
    color: var(--text-white);
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 700;
}

.lesson-details h4 {
    font-size: var(--text-lg);
    margin-bottom: var(--space-lg);
    color: var(--corp-blue-dark);
}

.checklist {
    list-style: none;
    margin-bottom: var(--space-xl);
}

.checklist li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
    color: var(--text-secondary);
}

.checklist li::before {
    content: '✓';
    color: var(--success);
    font-weight: 700;
}

.lesson-cta {
    display: flex;
    gap: var(--space-md);
}

/* ============================================
   11. PRICE COMPARISON
   ============================================ */
.price-comparison {
    background: linear-gradient(135deg, var(--corp-blue-dark) 0%, var(--corp-blue) 100%);
    color: var(--text-white);
    padding: var(--space-4xl) 0;
    position: relative;
    overflow: hidden;
}

.price-comparison::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255,255,255,0.05) 0%, transparent 70%);
    border-radius: 50%;
}

.price-comparison .section-title,
.price-comparison .section-subtitle {
    color: var(--text-white);
}

.price-comparison .section-subtitle {
    opacity: 0.9;
}

.comparison-table {
    max-width: 800px;
    margin: 0 auto var(--space-3xl);
}

.comparison-row {
    display: grid;
    grid-template-columns: 2fr 2fr 1fr;
    gap: var(--space-lg);
    align-items: center;
    padding: var(--space-lg);
    border-bottom: 1px solid rgba(255,255,255,0.1);
    transition: background var(--transition);
}

.comparison-row:hover {
    background: rgba(255,255,255,0.05);
}

.comparison-highlight {
    background: rgba(255,255,255,0.1) !important;
    border-radius: var(--radius-md);
    border: 2px solid var(--corp-gold);
}

.comparison-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.comparison-item svg {
    width: 24px;
    height: 24px;
    stroke: rgba(255,255,255,0.7);
}

.comparison-label strong {
    display: block;
    margin-bottom: var(--space-xs);
    color: var(--text-white);
}

.comparison-label span {
    font-size: var(--text-sm);
    color: rgba(255,255,255,0.7);
}

.our-badge {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    background: var(--corp-gold);
    color: var(--corp-blue-dark);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 700;
}

.our-badge svg {
    width: 14px;
    height: 14px;
    fill: currentColor;
    stroke: none;
}

.comparison-bar {
    height: 8px;
    background: rgba(255,255,255,0.2);
    border-radius: 4px;
    overflow: hidden;
}

.bar-fill {
    height: 100%;
    background: rgba(255,255,255,0.5);
    border-radius: 4px;
    transition: width 1s ease;
}

.comparison-bar-accent .bar-fill {
    background: var(--warning);
}

.comparison-bar-success .bar-fill {
    background: var(--success);
}

.price-tag {
    font-weight: 600;
    text-align: right;
}

.price-accent {
    color: var(--warning);
}

.price-success {
    color: var(--success);
    font-size: var(--text-xl);
}

.comparison-cta {
    text-align: center;
}

.guarantee-text {
    margin-top: var(--space-lg);
    font-size: var(--text-sm);
    opacity: 0.8;
}

/* ============================================
   12. CTA SECTIONS
   ============================================ */
.cta-section {
    padding: var(--space-3xl) 0;
    background: var(--bg-light);
}

.cta-light {
    background: var(--bg-white);
}

.cta-box {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: var(--space-3xl);
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.cta-box-border {
    border: 2px solid var(--bg-gray);
}

.cta-box h2 {
    font-size: var(--text-3xl);
    color: var(--corp-blue-dark);
    margin-bottom: var(--space-md);
}

.cta-box p {
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
}

.cta-modules {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
    flex-wrap: wrap;
}

.module-tag {
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
}

.module-tag.available {
    background: var(--success);
    color: var(--text-white);
}

.module-tag.coming {
    background: var(--bg-gray);
    color: var(--text-muted);
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    flex-wrap: wrap;
}

/* ============================================
   13. FAQ ACCORDION
   ============================================ */
.faq {
    padding: var(--space-4xl) 0;
    background: var(--bg-white);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--bg-gray);
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-lg) 0;
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--corp-blue-dark);
    text-align: left;
}

.faq-question:hover {
    color: var(--corp-blue);
}

.faq-icon {
    width: 20px;
    height: 20px;
    stroke: var(--corp-blue);
    transition: transform var(--transition);
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow);
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding-bottom: var(--space-lg);
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ============================================
   14. FOOTER
   ============================================ */
.footer-cta {
    background: linear-gradient(135deg, var(--corp-blue-dark) 0%, #0f2642 100%);
    color: var(--text-white);
    padding: var(--space-4xl) 0 var(--space-xl);
}

.footer-cta-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.footer-cta-content h2 {
    font-size: var(--text-4xl);
    margin-bottom: var(--space-lg);
}

.footer-price {
    margin-bottom: var(--space-xl);
}

.price-old {
    font-size: var(--text-2xl);
    text-decoration: line-through;
    opacity: 0.6;
    margin-right: var(--space-md);
}

.price-current {
    font-size: var(--text-5xl);
    font-weight: 800;
    color: var(--corp-gold);
}

.badge-limited {
    display: inline-block;
    background: rgba(255,255,255,0.2);
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    margin-left: var(--space-md);
}

.footer-trust {
    display: flex;
    justify-content: center;
    gap: var(--space-xl);
    margin-top: var(--space-2xl);
    flex-wrap: wrap;
}

.footer-trust span {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--text-sm);
    opacity: 0.8;
}

.footer-trust svg {
    width: 20px;
    height: 20px;
    stroke: currentColor;
}

.footer-bottom {
    margin-top: var(--space-3xl);
    padding-top: var(--space-xl);
    border-top: 1px solid rgba(255,255,255,0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.footer-bottom p {
    font-size: var(--text-sm);
    opacity: 0.6;
}

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

.footer-links a {
    font-size: var(--text-sm);
    opacity: 0.6;
    transition: opacity var(--transition-fast);
}

.footer-links a:hover {
    opacity: 1;
}

/* ============================================
   15. UTILITY CLASSES
   ============================================ */
.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;
}

.hidden {
    display: none !important;
}

.visible {
    display: block;
}

.flex { display: flex; }
.inline-flex { display: inline-flex; }
.grid { display: grid; }
.block { display: block; }
.inline { display: inline; }

.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-around { justify-content: space-around; }

.gap-xs { gap: var(--space-xs); }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }
.gap-xl { gap: var(--space-xl); }

.mt-0 { margin-top: 0; }
.mt-xs { margin-top: var(--space-xs); }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mt-2xl { margin-top: var(--space-2xl); }

.mb-0 { margin-bottom: 0; }
.mb-xs { margin-bottom: var(--space-xs); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }
.mb-2xl { margin-bottom: var(--space-2xl); }

.p-0 { padding: 0; }
.p-xs { padding: var(--space-xs); }
.p-sm { padding: var(--space-sm); }
.p-md { padding: var(--space-md); }
.p-lg { padding: var(--space-lg); }
.p-xl { padding: var(--space-xl); }
.p-2xl { padding: var(--space-2xl); }

/* ============================================
   16. ALERTS & NOTIFICATIONS
   ============================================ */
.alert {
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.alert-success {
    background: rgba(72, 187, 120, 0.1);
    border: 1px solid var(--success);
    color: #276749;
}

.alert-warning {
    background: rgba(237, 137, 54, 0.1);
    border: 1px solid var(--warning);
    color: #c05621;
}

.alert-error {
    background: rgba(245, 101, 101, 0.1);
    border: 1px solid var(--error);
    color: #c53030;
}

.alert-info {
    background: rgba(66, 153, 225, 0.1);
    border: 1px solid var(--info);
    color: #2b6cb0;
}

/* ============================================
   17. BADGES & TAGS
   ============================================ */
.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 600;
}

.badge-primary {
    background: var(--corp-blue);
    color: var(--text-white);
}

.badge-gold {
    background: var(--corp-gold);
    color: var(--corp-blue-dark);
}

.badge-success {
    background: var(--success);
    color: var(--text-white);
}

.badge-warning {
    background: var(--warning);
    color: var(--text-white);
}

.badge-error {
    background: var(--error);
    color: var(--text-white);
}

.badge-outline {
    background: transparent;
    border: 1px solid currentColor;
}

/* ============================================
   18. TABLES
   ============================================ */
.table-container {
    overflow-x: auto;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow);
}

.table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-white);
}

.table th,
.table td {
    padding: var(--space-md) var(--space-lg);
    text-align: left;
    border-bottom: 1px solid var(--bg-gray);
}

.table th {
    background: var(--bg-light);
    font-weight: 600;
    color: var(--corp-blue-dark);
    text-transform: uppercase;
    font-size: var(--text-xs);
    letter-spacing: 0.05em;
}

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

.table-striped tr:nth-child(even) {
    background: var(--bg-light);
}

/* ============================================
   19. MODAL
   ============================================ */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: var(--space-lg);
}

.modal.active {
    display: flex;
    animation: fadeIn 0.3s ease;
}

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

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

.modal-title {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--corp-blue-dark);
}

.modal-close {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: var(--bg-gray);
    color: var(--text-primary);
}

.modal-body {
    padding: var(--space-xl);
}

.modal-footer {
    padding: var(--space-lg) var(--space-xl);
    border-top: 1px solid var(--bg-gray);
    background: var(--bg-light);
    display: flex;
    justify-content: flex-end;
    gap: var(--space-md);
}

/* ============================================
   20. MOBILE RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }
    
    .hero-content {
        text-align: center;
        max-width: 100%;
    }
    
    .hero-ctas {
        justify-content: center;
    }
    
    .trust-badges {
        justify-content: center;
    }
    
    .hero-visual {
        order: -1;
    }
    
    .video-lesson {
        grid-template-columns: 1fr;
    }
    
    .comparison-row {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
    
    .comparison-bar {
        order: 3;
    }
}

@media (max-width: 768px) {
    :root {
        --text-6xl: 2.5rem;
        --text-5xl: 2rem;
        --text-4xl: 1.75rem;
        --text-3xl: 1.5rem;
    }
    
    .hero {
        padding: var(--space-2xl) 0;
    }
    
    .certificate-preview {
        transform: scale(0.85);
    }
    
    .social-proof-logos {
        gap: var(--space-lg);
    }
    
    .cta-box {
        padding: var(--space-xl);
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-trust {
        flex-direction: column;
        align-items: center;
    }
    
    .nav {
        display: none;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .lesson-cta {
        flex-direction: column;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-md);
    }
    
    .btn-large {
        padding: var(--space-md) var(--space-lg);
        font-size: var(--text-base);
    }
    
    .hero-ctas {
        flex-direction: column;
    }
    
    .trust-badges {
        flex-direction: column;
        align-items: center;
    }
}

/* ============================================
   21. ANIMATIONS
   ============================================ */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

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

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.animate-fadeIn { animation: fadeIn 0.3s ease; }
.animate-fadeInUp { animation: fadeInUp 0.5s ease; }
.animate-fadeInDown { animation: fadeInDown 0.5s ease; }
.animate-pulse { animation: pulse 2s ease-in-out infinite; }
.animate-spin { animation: spin 1s linear infinite; }

/* Scroll Animation */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   22. PRINT STYLES
   ============================================ */
@media print {
    .trust-bar,
    .video-container,
    .btn,
    .modal,
    .header {
        display: none !important;
    }
    
    body {
        color: black;
        background: white;
    }
    
    .container {
        max-width: 100%;
    }
}

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

/* ============================================
   ENHANCEMENTS: Premium Positioning Styles
   ============================================ */

/* Hero Price Highlight - Elegant & Professional */
.price-highlight {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    margin-top: var(--space-xl);
    padding: var(--space-md) var(--space-lg);
    background: linear-gradient(135deg, var(--corp-blue-dark) 0%, var(--corp-blue) 100%);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--corp-gold);
    color: var(--text-white);
}

.price-label {
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    opacity: 0.8;
    margin-bottom: var(--space-xs);
}

.price-value {
    font-size: var(--text-4xl);
    font-weight: 800;
    line-height: 1;
    margin-bottom: var(--space-xs);
}

.price-note {
    font-size: var(--text-sm);
    opacity: 0.9;
    font-weight: 400;
}

/* Footer Value Proposition */
.footer-value-prop {
    font-size: var(--text-xl);
    margin-bottom: var(--space-lg);
    color: var(--text-secondary);
}

.footer-value-prop strong {
    color: var(--corp-blue);
    font-size: var(--text-2xl);
}

.price-comparison {
    text-decoration: line-through;
    opacity: 0.6;
    font-size: var(--text-base);
}

.footer-badges-row {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    justify-content: center;
    margin-bottom: var(--space-xl);
}

.footer-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-xs) var(--space-md);
    background: var(--bg-light);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    color: var(--text-secondary);
    font-weight: 500;
}

/* Testimonial Section */
.testimonial-preview {
    margin-top: var(--space-2xl);
    padding: var(--space-xl);
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    border-left: 3px solid var(--corp-gold);
}

.testimonial-quote {
    margin: 0;
    font-style: italic;
}

.testimonial-quote p {
    font-size: var(--text-lg);
    color: var(--text-primary);
    margin-bottom: var(--space-md);
    line-height: 1.7;
}

.testimonial-author {
    font-size: var(--text-sm);
    color: var(--text-muted);
    font-weight: 600;
    font-style: normal;
}

/* Logo Styling */
.company-logo {
    opacity: 0.6;
    transition: opacity var(--transition);
}

.company-logo:hover {
    opacity: 1;
}

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

/* ============================================
   EXPERT SECTION Styles
   ============================================ */
.expert-section {
    background: var(--bg-white);
    padding: var(--space-4xl) 0;
}

.expert-grid {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: var(--space-3xl);
    align-items: start;
}

.expert-card {
    position: relative;
    text-align: center;
}

.expert-avatar-placeholder {
    width: 200px;
    height: 200px;
    margin: 0 auto var(--space-lg);
    background: linear-gradient(135deg, var(--corp-blue-lighter) 0%, var(--bg-light) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 3px solid var(--corp-gold);
    box-shadow: var(--shadow-lg);
}

.avatar-svg {
    width: 120px;
    height: 120px;
    color: var(--corp-blue);
}

.expert-credentials {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.credential-badge {
    display: inline-block;
    padding: var(--space-xs) var(--space-md);
    background: var(--corp-blue-lighter);
    color: var(--corp-blue);
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-full);
}

.expert-content h2 {
    margin: var(--space-md) 0 var(--space-sm);
    color: var(--corp-blue-dark);
}

.expert-title {
    font-size: var(--text-lg);
    color: var(--corp-gold-dark);
    font-weight: 600;
    margin-bottom: var(--space-md);
}

.expert-bio {
    font-size: var(--text-lg);
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-lg);
}

.expert-highlights {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
    list-style: none;
}

.expert-highlights li {
    position: relative;
    padding-left: var(--space-lg);
    color: var(--text-secondary);
    font-size: var(--text-base);
}

.expert-highlights li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--corp-gold);
    font-weight: bold;
}

@media (max-width: 768px) {
    .expert-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .expert-highlights {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   HEADER & NAVIGATION Styles
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--bg-gray);
    z-index: 100;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.nav {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.nav-link {
    color: var(--text-secondary);
    font-weight: 500;
    transition: color var(--transition-fast);
    position: relative;
}

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

.nav-link-active {
    color: var(--corp-blue);
    font-weight: 600;
}

.nav-link-active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--corp-gold);
    border-radius: 2px;
}

/* ============================================
   PORTAL & DASHBOARD Layout Styles
   ============================================ */
.portal-section,
.dashboard-section,
.module-section {
    padding-top: calc(72px + var(--space-3xl));
    padding-bottom: var(--space-4xl);
    min-height: 100vh;
}

/* Consistent Footer */
.footer-simple {
    background: var(--bg-light);
    border-top: 1px solid var(--bg-gray);
    padding: var(--space-xl) 0;
}

/* ============================================
   CARD Layout Fixes
   ============================================ */
.card-premium {
    border: 2px solid var(--corp-gold);
    box-shadow: var(--shadow-gold);
}

.card-progress-bar {
    height: 8px;
    background: var(--bg-gray);
    border-radius: 4px;
    overflow: hidden;
}

.card-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--corp-blue) 0%, var(--corp-gold) 100%);
    border-radius: 4px;
    transition: width 0.5s ease;
}

/* Module Item */
.module-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--bg-light);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.module-item:hover {
    transform: translateX(4px);
    box-shadow: var(--shadow-sm);
}

.module-item-active {
    background: var(--corp-blue-lighter);
    border: 2px solid var(--corp-blue);
}

.module-number {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    flex-shrink: 0;
}

.module-number--completed {
    background: var(--success);
    color: white;
}

.module-number--current {
    background: var(--corp-blue);
    color: white;
}

.module-number--locked {
    background: var(--bg-gray);
    color: var(--text-muted);
}

/* Progress Circle */
.progress-circle {
    width: 48px;
    height: 48px;
    background: var(--success);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
}

/* Certificate Preview */
.cert-preview {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border: 3px solid var(--corp-gold);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    position: relative;
    overflow: hidden;
    text-align: center;
}

.cert-preview-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 60px;
    height: 60px;
    background: var(--corp-gold);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Dashboard Stats */
.stat-card-value {
    font-size: var(--text-4xl);
    font-weight: 800;
    margin-bottom: var(--space-xs);
}

/* Video Module Player */
.module-video-player {
    position: relative;
    aspect-ratio: 16/9;
    background: linear-gradient(135deg, var(--corp-blue-dark) 0%, var(--corp-blue) 100%);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.module-video-overlay {
    position: absolute;
    bottom: var(--space-md);
    left: var(--space-md);
    color: white;
    font-size: var(--text-sm);
}

/* Certificate Large Icon */
.cert-icon-large {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--corp-gold) 0%, var(--corp-gold-light) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-lg);
}

.cert-icon-large svg {
    width: 40px;
    height: 40px;
    color: var(--corp-blue-dark);
}

.cert-meta-box {
    background: var(--bg-light);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    margin-bottom: var(--space-lg);
}

.cert-meta-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--space-sm);
}

.cert-meta-row:last-child {
    margin-bottom: 0;
}

/* Timeline Styles */
.timeline {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.timeline-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
}

.timeline-icon {
    width: 32px;
    height: 32px;
    background: var(--success);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 14px;
    flex-shrink: 0;
}

.timeline-icon--current {
    background: var(--corp-gold);
    color: var(--corp-blue-dark);
}

/* Sticky Card */
.card-sticky {
    position: sticky;
    top: 100px;
}

/* Module Layout */
.grid-module {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: var(--space-2xl);
}

.module-main {
    min-width: 0;
}

.module-sidebar {
    min-width: 0;
}

/* Module Lesson List */
.module-lesson-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.module-lesson-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--bg-light);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.module-lesson-item:hover {
    transform: translateX(4px);
    box-shadow: var(--shadow-sm);
}

.lesson-status {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    flex-shrink: 0;
}

.lesson-status--completed {
    background: var(--success);
}

.lesson-status--current {
    background: var(--corp-blue);
}

.lesson-status--locked {
    background: var(--bg-gray);
    color: var(--text-muted);
}

.lesson-info {
    flex: 1;
    min-width: 0;
}

.lesson-title {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
}

.lesson-meta {
    font-size: var(--text-sm);
    color: var(--text-muted);
}

/* Module Stats */
.module-stats {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.module-stat {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: var(--text-sm);
}

/* Dashboard Specific */
.dashboard-welcome {
    background: linear-gradient(135deg, var(--corp-blue-dark) 0%, var(--corp-blue) 100%);
    color: white;
}

.grid-4-col {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
}

@media (max-width: 1024px) {
    .grid-4-col {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .grid-4-col {
        grid-template-columns: 1fr;
    }
}

/* Dashboard Modules */
.dashboard-modules {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.dashboard-module-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--bg-light);
    border-radius: var(--radius-md);
}

.dashboard-module-item--active {
    background: var(--corp-blue-lighter);
    border: 2px solid var(--corp-blue);
}

.dashboard-module-item--locked {
    opacity: 0.6;
}

.progress-circle--current {
    background: var(--corp-blue);
}

.progress-circle--locked {
    background: var(--bg-gray);
    color: var(--text-muted);
}

/* Utility */
.flex-1 {
    flex: 1;
    min-width: 0;
}

.gap-sm {
    gap: var(--space-sm);
}

.mt-xs {
    margin-top: var(--space-xs);
}

.mt-sm {
    margin-top: var(--space-sm);
}

.mt-md {
    margin-top: var(--space-md);
}

/* Next Module Preview */
.next-module-preview {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.next-module-number {
    width: 60px;
    height: 60px;
    background: var(--corp-blue);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    font-size: 20px;
    flex-shrink: 0;
}

.next-module-info {
    flex: 1;
    min-width: 0;
}

@media (max-width: 768px) {
    .grid-module {
        grid-template-columns: 1fr;
    }
    
    .card-sticky {
        position: static;
    }
}

/* Focus styles */
:focus-visible {
    outline: 2px solid var(--corp-blue);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --corp-blue-dark: #000000;
        --corp-gold: #b8860b;
        --text-secondary: #333333;
    }
}

/* ============================================
   VIDEO FEATURE SECTION Styles
   ============================================ */
.video-feature {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
    margin-top: var(--space-2xl);
}

.video-feature-main {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
    box-shadow: var(--shadow-xl);
    aspect-ratio: 16/9;
}

.video-feature-thumb {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform var(--transition-slow);
}

.video-feature-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: linear-gradient(to top, rgba(30, 58, 95, 0.8) 0%, rgba(0, 0, 0, 0.3) 50%, rgba(0, 0, 0, 0.1) 100%);
    transition: background var(--transition);
}

.video-feature-play {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-md);
}

.video-feature-play svg {
    width: 80px;
    height: 80px;
    filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.3));
    transition: transform var(--transition);
}

.video-feature-label {
    display: block;
    margin-top: var(--space-md);
    font-size: var(--text-lg);
    font-weight: 600;
    color: white;
    text-shadow: 0 2px 4px rgba(0,0,0,0.5);
}

.video-feature:hover .video-feature-thumb {
    transform: scale(1.05);
}

.video-feature:hover .video-feature-play svg {
    transform: scale(1.1);
}

.video-feature-points {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.feature-point {
    display: flex;
    gap: var(--space-md);
    align-items: flex-start;
}

.feature-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--corp-gold);
    color: var(--corp-blue-dark);
    font-weight: 800;
    font-size: var(--text-sm);
    border-radius: 50%;
    flex-shrink: 0;
}

.feature-point h4 {
    color: var(--corp-blue-dark);
    font-size: var(--text-lg);
    margin-bottom: var(--space-xs);
}

.feature-point p {
    color: var(--text-secondary);
    font-size: var(--text-base);
    line-height: 1.5;
}

@media (max-width: 768px) {
    .video-feature {
        grid-template-columns: 1fr;
    }
    
    .video-feature-main {
        aspect-ratio: 16/9;
    }
}

/* FIX 1: Preview Toggle Button Alignment */
.preview-header {
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
    flex-wrap: nowrap !important;
}

.preview-toggle {
    display: flex !important;
    align-items: center !important;
    gap: 0.5rem !important;
    white-space: nowrap !important;
    flex-shrink: 0 !important;
}

.preview-meta {
    flex: 1 !important;
    min-width: 0 !important;
}

/* FIX 2: Footer Price Section - Better layout */
.footer-price {
    margin-bottom: var(--space-xl);
    display: flex !important;
    flex-wrap: wrap !important;
    align-items: center !important;
    justify-content: center !important;
    gap: var(--space-md) !important;
}

.price-old {
    font-size: var(--text-2xl) !important;
    text-decoration: line-through !important;
    opacity: 0.6 !important;
    margin-right: 0 !important;
}

.price-current {
    font-size: var(--text-4xl) !important;
    font-weight: 800 !important;
    color: var(--corp-gold) !important;
}

.badge-limited {
    display: inline-flex !important;
    align-items: center !important;
    background: rgba(255,255,255,0.2) !important;
    padding: var(--space-xs) var(--space-md) !important;
    border-radius: var(--radius-full) !important;
    font-size: var(--text-sm) !important;
    margin-left: 0 !important;
}

/* FIX 3: Footer Trust Badges - Better spacing */
.footer-trust {
    display: flex !important;
    flex-wrap: wrap !important;
    justify-content: center !important;
    gap: var(--space-lg) !important;
    margin-top: var(--space-2xl) !important;
}

.footer-trust span {
    display: inline-flex !important;
    align-items: center !important;
    gap: var(--space-sm) !important;
}

/* Mobile fixes for footer price */
@media (max-width: 768px) {
    .footer-price {
        flex-direction: column !important;
        gap: var(--space-sm) !important;
    }
    
    .price-current {
        font-size: var(--text-3xl) !important;
    }
    
    .preview-header {
        flex-direction: column !important;
        align-items: flex-start !important;
        gap: var(--space-md) !important;
    }
    
    .preview-toggle {
        width: 100% !important;
        justify-content: center !important;
        margin-left: 0 !important;
        margin-top: var(--space-md) !important;
    }
}

/* ============================================
   LEARNING PORTAL - Module Grid Styles
   ============================================ */
.module-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
}

.module-card {
    display: block;
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    border: 2px solid var(--bg-gray);
    transition: all var(--transition);
    text-decoration: none;
    color: inherit;
}

.module-card:hover:not(.module-card--locked) {
    border-color: var(--corp-blue);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.module-card--completed {
    border-color: var(--success);
    background: linear-gradient(135deg, var(--bg-light) 0%, rgba(72, 187, 120, 0.05) 100%);
}

.module-card--active {
    border-color: var(--corp-blue);
    border-width: 3px;
    background: var(--corp-blue-lighter);
}

.module-card--locked {
    opacity: 0.6;
    cursor: not-allowed;
}

.module-card--bonus {
    background: linear-gradient(135deg, var(--bg-light) 0%, rgba(212, 175, 55, 0.05) 100%);
    border-color: var(--corp-gold);
}

.module-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-md);
}

.module-number {
    width: 48px;
    height: 48px;
    background: var(--corp-blue);
    color: white;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-xl);
    font-weight: 800;
}

.module-card--completed .module-number {
    background: var(--success);
}

.module-card--locked .module-number {
    background: var(--bg-gray);
    color: var(--text-muted);
}

.module-status {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--text-muted);
}

.module-status--active {
    color: var(--corp-blue);
}

.module-title {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--corp-blue-dark);
    margin-bottom: var(--space-sm);
}

.module-desc {
    color: var(--text-secondary);
    font-size: var(--text-base);
    line-height: 1.6;
    margin-bottom: var(--space-md);
}

.module-meta {
    display: flex;
    gap: var(--space-md);
    font-size: var(--text-sm);
    color: var(--text-muted);
}

.module-progress {
    margin-top: var(--space-md);
    padding-top: var(--space-md);
    border-top: 1px solid var(--bg-gray);
}

.module-progress-bar {
    height: 6px;
    background: var(--bg-gray);
    border-radius: 3px;
    margin-bottom: var(--space-xs);
}

.module-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--corp-blue) 0%, var(--corp-gold) 100%);
    border-radius: 3px;
}

.module-progress-text {
    font-size: var(--text-sm);
    color: var(--corp-blue);
    font-weight: 600;
}

/* Action Cards Grid */
.grid-3-col {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.action-icon {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    margin: 0 auto var(--space-md);
}

.action-icon--primary {
    background: var(--corp-blue-lighter);
}

.action-icon--gold {
    background: linear-gradient(135deg, var(--corp-gold) 0%, var(--corp-gold-light) 100%);
}

.action-icon--secondary {
    background: var(--bg-light);
}

.card-hover {
    transition: all var(--transition);
}

.card-hover:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

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


/* ============================================
   AUTH PAGES (Login / Register)
   ============================================ */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--corp-blue-dark) 0%, var(--corp-blue) 100%);
    padding: var(--space-lg);
}

.auth-container {
    width: 100%;
    max-width: 420px;
}

.auth-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    box-shadow: var(--shadow-xl);
}

.auth-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-xl);
}

.auth-logo svg {
    width: 32px;
    height: 32px;
    color: var(--corp-blue);
}

.auth-logo span {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--corp-blue-dark);
}

.auth-title {
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--corp-blue-dark);
    text-align: center;
    margin-bottom: var(--space-sm);
}

.auth-subtitle {
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: var(--space-xl);
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.auth-footer {
    text-align: center;
}

.auth-footer a {
    color: var(--corp-blue);
    font-weight: 600;
}

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

.form-checkbox {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
}

.form-checkbox input {
    margin-top: 2px;
}

.form-checkbox label {
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

.form-checkbox a {
    color: var(--corp-blue);
}


/* ============================================
   MOBILE UX OPTIMIZATION (Added 2026-02-27)
   Touch-Targets, Accessibility, Performance
   ============================================ */

/* Touch-Targets - Minimum 44x44px für alle Touch-Elemente */
button, 
a, 
.nav-item,
.mobile-menu-btn,
.module-nav-btn,
.quiz-option label {
    min-height: 44px;
    min-width: 44px;
}

/* Buttons besonders für Mobile */
.btn-primary,
.btn-secondary,
.btn-large {
    padding: 14px 28px;
    min-height: 48px;
}

/* Form Elemente */
input[type="text"],
input[type="email"],
input[type="password"],
select,
textarea {
    min-height: 44px;
    padding: 12px 16px;
    font-size: 16px;
}

/* Loading States */
@keyframes spin {
    to { transform: rotate(360deg); }
}

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

/* Focus States für Accessibility */
*:focus-visible {
    outline: 2px solid var(--corp-gold);
    outline-offset: 2px;
}

/* Print Styles */
@media print {
    .no-print, nav, .cookie-banner, .mobile-menu-btn {
        display: none !important;
    }
}

/* Erstellt von Georg - Digital Growth Architect */
