/* === CSS CUSTOM PROPERTIES === */
:root {
    /* Enhanced Primary Colors - Modern Automotive Theme */
    --primary-dark: #0b1c2d;
    --primary-blue: #2563eb;
    --primary-light: #3b82f6;
    --primary-accent: #851062;
    --primary-gradient: linear-gradient(135deg, #0b1c2d 0%, #1e3a8a 100%);
    
    /* Secondary Colors - Better Contrast */
    --secondary-light: #f8fafc;
    --secondary-white: #ffffff;
    --secondary-gray: #f1f5f9;
    --secondary-border: #e2e8f0;
    
    /* Text Colors - WCAG Compliant */
    --text-dark: #1e293b;
    --text-medium: #334155;
    --text-light: #64748b;
    --text-white: #ffffff;
    
    /* Background Colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-card: #ffffff;
    
    /* Modern Accent Colors */
    --accent-blue: #3b82f6;
    --accent-green: #10b981;
    --accent-orange: #f59e0b;
    --accent-purple: #8b5cf6;
    --accent-red: #ef4444;
    
    /* Spacing - Consistent scale */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-xxl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    
    /* Modern Shadows - Depth system */
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
    --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);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* Typography - Modern font stack */
    --font-primary: 'Inter', system-ui, -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: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --line-height-tight: 1.25;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.75;
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* === DARK MODE === */
@media (prefers-color-scheme: dark) {
    :root {
        --primary-dark: #0f172a;
        --primary-blue: #60a5fa;
        --primary-light: #93c5fd;
        
        --secondary-white: #0f172a;
        --secondary-light: #1e293b;
        --secondary-gray: #334155;
        --secondary-border: #475569;
        
        --text-dark: #f1f5f9;
        --text-medium: #e2e8f0;
        --text-light: #cbd5e1;
        
        --bg-primary: #0f172a;
        --bg-secondary: #1e293b;
        --bg-card: #1e293b;
    }
}

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

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

body {
    font-family: var(--font-primary);
    line-height: var(--line-height-normal);
    color: var(--text-dark);
    background-color: var(--bg-primary);
    font-size: var(--font-size-base);
    overflow-x: hidden;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* === IMAGE ERROR FALLBACKS === */
img[src$=".jpg"]:not([src]), 
img[src$=".png"]:not([src]),
img:not([src]) {
    background: linear-gradient(135deg, #f0f0f0 0%, #e0e0e0 100%);
    min-height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #666;
    font-style: italic;
    position: relative;
}

/* Slideshow fallback */
.slideshow__image:before {
    content: "Loading image...";
    display: none;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 16px;
}

.slideshow__image[src=""],
.slideshow__image:not([src]) {
    background: var(--primary-gradient);
}

.slideshow__image[src=""]:before,
.slideshow__image:not([src]):before {
    display: block;
}

/* Logo fallback */
.logo__image:before {
    content: "MYTECHLEARN";
    display: none;
    color: white;
    font-weight: bold;
    font-size: 20px;
}

.logo__image[src=""],
.logo__image:not([src]) {
    background: var(--primary-dark);
    width: 200px;
    min-height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
}

.logo__image[src=""]:before,
.logo__image:not([src]):before {
    display: block;
}

/* Banner fallbacks */
.tab-banner__image[src=""],
.tab-banner__image:not([src]) {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-blue) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: var(--font-size-xl);
    font-weight: 600;
}

.tab-banner__image[src=""]:before,
.tab-banner__image:not([src]):before {
    content: "Banner Image";
    display: block;
}

/* === SKIP TO MAIN CONTENT === */
.skip-to-main {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--primary-blue);
    color: white;
    padding: 12px 16px;
    z-index: 9999;
    text-decoration: none;
    border-radius: var(--radius-sm);
    font-weight: 600;
    transition: top var(--transition-normal);
}

.skip-to-main:focus {
    top: 10px;
    outline: 3px solid var(--primary-blue);
    outline-offset: 2px;
}

/* === IMPROVED HEADER === */
.header {
    background: linear-gradient(135deg, rgba(11, 28, 45, 0.95) 0%, rgba(11, 28, 45, 0.98) 100%);
    backdrop-filter: blur(10px);
    color: var(--text-white);
    padding: var(--spacing-md) 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.header__container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    width: 100%;
}

/* Enhanced Logo */
.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    text-decoration: none;
    transition: transform var(--transition-normal);
}

.logo:hover {
    transform: translateY(-2px);
}

.logo__image {
    height: 60px;
    width: auto;
    max-width: 200px;
    object-fit: contain;
    display: block;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

.logo__text {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.logo__title {
    font-size: var(--font-size-2xl);
    font-weight: 800;
    color: var(--text-white);
    line-height: 1.2;
    display: flex;
    gap: var(--spacing-xs);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.logo__title span:first-child {
    color: #60a5fa;
}

.logo__title span:last-child {
    color: var(--text-white);
}

.logo__subtitle {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.9);
    font-weight: 400;
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-white);
    font-size: var(--font-size-2xl);
    cursor: pointer;
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    min-width: 44px;
    min-height: 44px;
    align-items: center;
    justify-content: center;
}

.menu-toggle:hover {
    background: rgba(255, 255, 255, 0.1);
}

.menu-toggle:focus {
    outline: 3px solid var(--primary-blue);
    outline-offset: 2px;
}

/* Modern Navigation */
.nav {
    flex: 1;
    max-width: 800px;
}

.nav__list {
    list-style: none;
    display: flex;
    gap: var(--spacing-sm);
    margin: 0;
    padding: 0;
    justify-content: flex-end;
    flex-wrap: wrap;
}

.nav__link {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-white);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
    text-align: center;
    white-space: nowrap;
    position: relative;
    overflow: hidden;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav__link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--primary-light);
    transition: width var(--transition-normal);
}

.nav__link:hover::before,
.nav__link.active::before {
    width: 70%;
}

.nav__link:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-1px);
}

.nav__link.active {
    background: rgba(37, 99, 235, 0.2);
}

.nav__link:focus {
    outline: 3px solid var(--primary-blue);
    outline-offset: 2px;
}

/* === MAIN CONTENT IMPROVEMENTS === */
.main {
    flex: 1;
    padding: var(--spacing-xl) var(--spacing-lg);
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    position: relative;
}

.main::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 300px;
    background: var(--primary-gradient);
    opacity: 0.03;
    z-index: -1;
    border-radius: 0 0 var(--radius-2xl) var(--radius-2xl);
}

/* Enhanced Sections */
.page-content {
    padding: var(--spacing-xxl);
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    margin-bottom: var(--spacing-xxl);
    animation: fadeInUp 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid var(--secondary-border);
    position: relative;
    overflow: hidden;
}

.page-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-blue), var(--primary-accent));
}

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

/* Improved Typography */
.section-title {
    font-size: var(--font-size-3xl);
    color: var(--text-dark);
    margin-bottom: var(--spacing-lg);
    font-weight: 700;
    position: relative;
    padding-bottom: var(--spacing-md);
    line-height: var(--line-height-tight);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 4px;
    background: var(--primary-blue);
    border-radius: var(--radius-sm);
}

.section-subtitle {
    font-size: var(--font-size-xl);
    color: var(--primary-blue);
    margin: var(--spacing-lg) 0 var(--spacing-md);
    font-weight: 600;
}

/* === MODERN TRUST BADGES === */
.trust-badges {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin: var(--spacing-xl) 0 var(--spacing-xxl);
    padding: var(--spacing-lg);
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    border: 1px solid var(--secondary-border);
    box-shadow: var(--shadow-md);
}

.trust-badge {
    padding: var(--spacing-lg) var(--spacing-xl);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-white);
    border-radius: var(--radius-lg);
    text-decoration: none;
    transition: all var(--transition-normal);
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    min-height: 70px;
    border: 2px solid transparent;
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}

.trust-badge::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.6s;
}

.trust-badge:hover::before {
    left: 100%;
}

.trust-badge:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(255, 255, 255, 0.3);
}

.trust-badge:focus {
    outline: 3px solid var(--text-white);
    outline-offset: 2px;
}

/* Trust badge colors with improved gradients */
.trust-badge:nth-child(1) {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
}

.trust-badge:nth-child(2) {
    background: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%);
}

.trust-badge:nth-child(3) {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
}

.trust-badge:nth-child(4) {
    background: linear-gradient(135deg, #f97316 0%, #ea580c 100%);
}

/* === TAB BANNERS === */
.tab-banner {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    margin: var(--spacing-xl) 0 var(--spacing-xxl);
    box-shadow: var(--shadow-2xl);
    height: 400px;
    background: var(--primary-gradient);
}

.tab-banner__container {
    position: relative;
    height: 100%;
}

.tab-banner__slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.tab-banner__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.tab-banner__overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--spacing-xxl);
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    color: var(--text-white);
    z-index: 2;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    align-items: center;
    min-height: 200px;
    gap: var(--spacing-md);
}

.tab-banner__title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.tab-banner__subtitle {
    font-size: var(--font-size-lg);
    opacity: 0.95;
    margin-bottom: var(--spacing-lg);
}

.tab-banner__cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md) var(--spacing-xl);
    background: var(--primary-accent);
    color: var(--text-white);
    text-decoration: none;
    border-radius: var(--radius-lg);
    font-weight: 600;
    transition: all var(--transition-normal);
    border: 2px solid rgba(255, 255, 255, 0.3);
    min-width: 200px;
    gap: var(--spacing-sm);
    box-shadow: var(--shadow-md);
    min-height: 54px;
}

.tab-banner__cta:hover {
    background: #9b1573;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(255, 255, 255, 0.5);
}

.tab-banner__cta:focus {
    outline: 3px solid var(--text-white);
    outline-offset: 2px;
}

/* === IMPROVED SLIDESHOW === */
.slideshow {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    margin: var(--spacing-xxl) 0;
    box-shadow: var(--shadow-2xl);
    min-height: 400px;
    max-height: 700px;
    background: var(--primary-gradient);
}

.slideshow__container {
    position: relative;
    height: 100%;
}

.slideshow__slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity var(--transition-slow) ease-in-out;
}

.slideshow__slide.active {
    opacity: 1;
    z-index: 1;
}

/* Make images responsive */
.slideshow__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.slideshow__overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--spacing-xxl);
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    color: var(--text-white);
    z-index: 2;
}

.slideshow__title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.slideshow__description {
    font-size: var(--font-size-lg);
    opacity: 0.95;
}

.slideshow__controls {
    position: absolute;
    bottom: var(--spacing-lg);
    left: 0;
    right: 0;
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    z-index: 3;
}

.slideshow__button {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.6);
    border: none;
    cursor: pointer;
    padding: 0;
    transition: all var(--transition-fast);
}

.slideshow__button:hover {
    background: rgba(255, 255, 255, 0.9);
    transform: scale(1.2);
}

.slideshow__button.active {
    background: var(--primary-light);
    transform: scale(1.2);
}

.slideshow__button:focus {
    outline: 3px solid var(--text-white);
    outline-offset: 2px;
}

/* === CONTENT BLOCKS === */
.content-block {
    margin: var(--spacing-xl) 0;
}

.content-highlight {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(59, 130, 246, 0.05) 100%);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    margin: var(--spacing-xl) 0;
    border-left: 4px solid var(--primary-blue);
    position: relative;
    overflow: hidden;
}

.info-box {
    background: var(--bg-secondary);
    border-left: 4px solid var(--primary-blue);
    padding: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
    border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
    position: relative;
}

.info-box__title {
    color: var(--primary-blue);
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-xl);
    font-weight: 600;
}

/* === MODERN CARDS === */
.course-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
}

.course-card,
.security-card,
.testimonial {
    background: var(--bg-card);
    border: 1px solid var(--secondary-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.course-card:hover,
.security-card:hover,
.testimonial:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-blue);
}

.course-card::before,
.security-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(to bottom, var(--primary-blue), var(--primary-accent));
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.course-card:hover::before,
.security-card:hover::before {
    opacity: 1;
}

.course-card h4 {
    color: var(--primary-blue);
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-xl);
    font-weight: 600;
}

.course-card ul {
    list-style: none;
    padding: 0;
    margin: var(--spacing-md) 0;
}

.course-card li {
    padding: var(--spacing-xs) 0;
    position: relative;
    padding-left: var(--spacing-lg);
    color: var(--text-medium);
}

.course-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-green);
    font-weight: bold;
}

/* === SECURITY FEATURES === */
.security-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-xxl) 0;
}

.security-card--green::before { background: var(--accent-green); }
.security-card--blue::before { background: var(--primary-blue); }
.security-card--orange::before { background: var(--accent-orange); }
.security-card--yellow::before { background: #f59e0b; }

.security-card__icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
    display: inline-block;
}

.security-card__title {
    font-size: var(--font-size-xl);
    color: var(--text-dark);
    margin-bottom: var(--spacing-md);
    font-weight: 600;
}

.security-checklist {
    list-style: none;
    padding: 0;
    margin: var(--spacing-lg) 0;
}

.security-checklist li {
    padding: var(--spacing-sm) 0;
    position: relative;
    padding-left: var(--spacing-xl);
    color: var(--text-medium);
}

.security-checklist li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-green);
    font-weight: bold;
    font-size: var(--font-size-lg);
}

.security-level {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-left: var(--spacing-sm);
}

.security-level--high {
    background-color: rgba(40, 167, 69, 0.1);
    color: var(--accent-green);
    border: 1px solid rgba(40, 167, 69, 0.3);
}

.security-level--medium {
    background-color: rgba(255, 193, 7, 0.1);
    color: var(--accent-orange);
    border: 1px solid rgba(255, 193, 7, 0.3);
}

.security-level--critical {
    background-color: rgba(220, 53, 69, 0.1);
    color: var(--accent-red);
    border: 1px solid rgba(220, 53, 69, 0.3);
}

/* === TESTIMONIALS === */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-xxl) 0;
}

.testimonial::before {
    content: '"';
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-md);
    font-size: var(--font-size-5xl);
    color: var(--primary-blue);
    opacity: 0.1;
    font-family: serif;
    line-height: 1;
}

.testimonial-content {
    position: relative;
    z-index: 1;
    font-style: italic;
    color: var(--text-medium);
    line-height: var(--line-height-relaxed);
}

.testimonial-author {
    font-weight: bold;
    color: var(--primary-blue);
    margin-top: var(--spacing-md);
    font-size: var(--font-size-base);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.testimonial-author::before {
    content: '—';
    color: var(--text-light);
}

/* === ENHANCED CTA BUTTONS === */
.cta {
    background: var(--primary-gradient);
    color: var(--text-white);
    padding: var(--spacing-xxl) var(--spacing-xl);
    border-radius: var(--radius-xl);
    text-align: center;
    margin: var(--spacing-xxl) 0;
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(77, 166, 255, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.cta__content {
    position: relative;
    z-index: 1;
}

.cta__title {
    color: var(--text-white);
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-3xl);
    font-weight: 700;
}

.cta__description {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-xxl);
    font-size: var(--font-size-lg);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.cta__buttons {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xxl);
    align-items: center;
}

.cta__button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md) var(--spacing-xl);
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-dark) 100%);
    color: var(--text-white);
    text-decoration: none;
    border-radius: var(--radius-lg);
    font-weight: 600;
    transition: all var(--transition-normal);
    border: 2px solid transparent;
    min-width: 200px;
    gap: var(--spacing-sm);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    min-height: 54px;
}

.cta__button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.6s;
}

.cta__button:hover::before {
    left: 100%;
}

.cta__button:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary-blue) 100%);
}

.cta__button--outline {
    background: transparent;
    color: var(--text-white);
    border: 2px solid var(--text-white);
}

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

.cta__button:focus {
    outline: 3px solid var(--text-white);
    outline-offset: 2px;
}

/* === BROCHURE DOWNLOAD === */
.brochure-download {
    text-align: center;
    padding: var(--spacing-xxl);
    background: var(--secondary-gray);
    border-radius: var(--radius-xl);
    margin: var(--spacing-xxl) 0;
    position: relative;
    overflow: hidden;
}

.brochure-download::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-gradient);
}

.brochure-download a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg) var(--spacing-xxl);
    background: var(--primary-blue);
    color: var(--text-white);
    text-decoration: none;
    border-radius: var(--radius-lg);
    font-weight: 600;
    margin-top: var(--spacing-lg);
    transition: all var(--transition-normal);
    border: 2px solid var(--primary-blue);
    min-width: 300px;
    position: relative;
    overflow: hidden;
    min-height: 54px;
}

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

.brochure-download a:hover::before {
    left: 100%;
}

.brochure-download a:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-dark);
}

.brochure-download a:focus {
    outline: 3px solid var(--primary-blue);
    outline-offset: 2px;
}

/* === BLOG CONTENT === */
.blog-container {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xxl);
    margin: var(--spacing-xxl) 0;
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--secondary-border);
}

.blog-header {
    text-align: center;
    margin-bottom: var(--spacing-xxl);
    padding-bottom: var(--spacing-xl);
    border-bottom: 2px solid var(--secondary-border);
}

.blog-title {
    font-size: var(--font-size-4xl);
    color: var(--primary-dark);
    margin-bottom: var(--spacing-lg);
    line-height: 1.2;
    font-weight: 800;
}

.blog-content {
    font-size: var(--font-size-lg);
    line-height: var(--line-height-relaxed);
    color: var(--text-medium);
}

.blog-content h2 {
    color: #f59e0b; /* Changed to orange */
    margin: var(--spacing-xxl) 0 var(--spacing-lg);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid #f59e0b; /* Changed to orange */
    font-size: var(--font-size-3xl);
    font-weight: 700;
}

.blog-content h3 {
    color: var(--primary-blue);
    margin: var(--spacing-xl) 0 var(--spacing-md);
    font-size: var(--font-size-2xl);
    font-weight: 600;
}

.blog-content ul, .blog-content ol {
    margin: var(--spacing-lg) 0 var(--spacing-lg) var(--spacing-xl);
}

.blog-content li {
    margin-bottom: var(--spacing-sm);
    color: var(--text-medium);
}

/* === FOOTER ENHANCEMENTS === */
.footer {
    background: linear-gradient(135deg, #0a1626 0%, #0b1c2d 100%);
    color: var(--text-white);
    padding: var(--spacing-xxl) var(--spacing-lg) var(--spacing-xl);
    margin-top: auto;
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-blue), var(--primary-accent));
}

.footer__container {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xxl);
    margin-bottom: var(--spacing-xxl);
}

.footer__section h4 {
    color: #66b3ff;
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-xl);
    font-weight: 600;
    position: relative;
    padding-bottom: var(--spacing-sm);
}

.footer__section h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background: #66b3ff;
}

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

.footer-links a {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    transition: all var(--transition-fast);
    padding: var(--spacing-xs) 0;
    display: block;
    position: relative;
    padding-left: 0;
    min-height: 32px;
    display: flex;
    align-items: center;
}

.footer-links a::before {
    content: '→';
    position: absolute;
    left: 0;
    opacity: 0;
    transform: translateX(-10px);
    transition: all var(--transition-normal);
}

.footer-links a:hover {
    color: #4da6ff;
    padding-left: var(--spacing-md);
}

.footer-links a:hover::before {
    opacity: 1;
    transform: translateX(0);
}

.footer-links a:focus {
    outline: 3px solid #4da6ff;
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

.contact-info {
    margin-top: var(--spacing-lg);
}

.contact-info p {
    margin: var(--spacing-sm) 0;
    color: #e6f2ff;
    font-size: var(--font-size-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    min-height: 32px;
}

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

.contact-info a:hover {
    color: #4da6ff;
}

.contact-info a:focus {
    outline: 3px solid #4da6ff;
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-xl);
    border-top: 1px solid #1f3c5b;
    font-size: var(--font-size-sm);
    color: #cce0ff;
    max-width: 1400px;
    margin: 0 auto;
}

.footer-bottom a {
    color: #66b3ff;
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-bottom a:hover {
    color: #4da6ff;
    text-decoration: underline;
}

.footer-bottom a:focus {
    outline: 3px solid #4da6ff;
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

/* === RESPONSIVE DESIGN === */
@media (max-width: 768px) {
    .header__container {
        flex-wrap: wrap;
        padding: 0 var(--spacing-md);
    }
    
    .logo__text {
        display: none;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .nav {
        display: none;
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background: rgba(11, 28, 45, 0.98);
        backdrop-filter: blur(20px);
        padding: var(--spacing-md);
        z-index: 999;
        max-height: calc(100vh - 80px);
        overflow-y: auto;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .nav.active {
        display: block;
    }
    
    .nav__list {
        flex-direction: column;
        gap: var(--spacing-xs);
    }
    
    .trust-badges {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .slideshow {
        height: 300px;
        min-height: 300px;
    }
    
    .tab-banner {
        height: 250px;
    }
    
    .cta__buttons {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .cta__button {
        width: 100%;
    }
    
    .page-content {
        padding: var(--spacing-lg);
    }
    
    .section-title {
        font-size: var(--font-size-2xl);
    }
    
    .slideshow__title {
        font-size: var(--font-size-xl);
    }
    
    .slideshow__description {
        font-size: var(--font-size-base);
    }
    
    .tab-banner__title {
        font-size: var(--font-size-xl);
    }
    
    .tab-banner__subtitle {
        font-size: var(--font-size-base);
    }
    
    .security-features {
        grid-template-columns: 1fr;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .course-details {
        grid-template-columns: 1fr;
    }
    
    .blog-container {
        padding: var(--spacing-xl);
    }
    
    .blog-title {
        font-size: var(--font-size-2xl);
    }
    
    .footer {
        padding: var(--spacing-xl) var(--spacing-md);
    }
    
    .footer__container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer__section h4::after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .footer-links a {
        text-align: center;
        padding-left: 0;
        justify-content: center;
    }
    
    .footer-links a::before {
        display: none;
    }
    
    .footer-links a:hover {
        padding-left: 0;
    }
    
    .contact-info p {
        justify-content: center;
    }
}

@media (min-width: 768px) and (max-width: 1024px) {
    .trust-badges {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .security-features {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .cta__buttons {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .footer__container {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .trust-badges {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .security-features {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .course-details {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer__container {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .cta__buttons {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
    }
}

/* === ACCESSIBILITY === */
:focus-visible {
    outline: 3px solid var(--primary-blue);
    outline-offset: 3px;
    border-radius: var(--radius-sm);
}

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

/* === PRINT STYLES === */
@media print {
    .header,
    .footer,
    .cta,
    .menu-toggle,
    .slideshow__controls,
    .trust-badges,
    .cta__buttons,
    .tab-banner,
    .slideshow {
        display: none !important;
    }
    
    .page-content {
        box-shadow: none;
        border: none;
        page-break-inside: avoid;
        padding: 0 !important;
        margin: 0 0 20px 0 !important;
    }
    
    a {
        color: #000 !important;
        text-decoration: underline;
    }
    
    .blog-container {
        box-shadow: none;
        border: none;
        padding: 0 !important;
    }
    
    .main {
        padding: 0 !important;
    }
}