/* Modern CSS Reset */
*, *::before, *::after { 
    margin: 0; 
    padding: 0; 
    box-sizing: border-box; 
}

html {
    font-size: 16px !important;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif !important;
    line-height: 1.6 !important;
    color: #0f172a !important;
    background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%) !important;
    min-height: 100vh !important;
    margin: 0 !important;
    padding: 0 !important;
    font-feature-settings: 'liga' 1, 'kern' 1 !important;
    text-rendering: optimizeLegibility !important;
    -webkit-font-smoothing: antialiased !important;
    -moz-osx-font-smoothing: grayscale !important;
    overflow-x: hidden !important;
    -webkit-text-size-adjust: 100% !important;
    -ms-text-size-adjust: 100% !important;
}

/* Navigation - Modern Design */
.quiz-navbar {
    background: rgba(255, 255, 255, 0.9) !important;
    backdrop-filter: blur(16px) !important;
    border-bottom: 1px solid rgba(226, 232, 240, 0.8) !important;
    padding: 1.25rem 0 !important;
    position: sticky !important;
    top: 0 !important;
    z-index: 1000 !important;
    box-shadow: 0 1px 3px rgba(15, 23, 42, 0.08) !important;
}

.quiz-nav-content {
    max-width: 1200px !important;
    margin: 0 auto !important;
    padding: 0 2rem !important;
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
}

@media (max-width: 768px) {
    .quiz-nav-content {
        padding: 0 1rem !important;
    }
}

.quiz-logo {
    font-size: 1.5rem !important;
    font-weight: 700 !important;
    color: #0f172a !important;
    text-decoration: none !important;
    letter-spacing: -0.025em !important;
}

.quiz-breadcrumb {
    font-size: 0.875rem !important;
    color: #64748b !important;
    font-weight: 500 !important;
}

/* Hero Section - Light Blue Theme */
.quiz-hero {
    background: linear-gradient(135deg, #1e40af 0%, #3b82f6 50%, #60a5fa 100%) !important;
    color: white !important;
    padding: 4rem 2rem !important;
    text-align: center !important;
    position: relative !important;
    overflow: hidden !important;
}

.quiz-hero::before {
    content: '' !important;
    position: absolute !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>') !important;
    opacity: 0.4 !important;
}

.quiz-hero-content {
    max-width: 900px !important;
    margin: 0 auto !important;
    position: relative !important;
    z-index: 1 !important;
}

.quiz-hero-title {
    font-size: 3.5rem !important;
    font-weight: 800 !important;
    margin-bottom: 1.5rem !important;
    color: white !important;
    letter-spacing: -0.025em !important;
    line-height: 1.1 !important;
}

.quiz-hero-subtitle {
    font-size: 1.25rem !important;
    color: rgba(255, 255, 255, 0.8) !important;
    max-width: 700px !important;
    margin: 0 auto 2rem !important;
    font-weight: 400 !important;
    line-height: 1.6 !important;
}

/* Quiz Container */
.quiz-container {
    max-width: 1000px !important;
    margin: -3rem auto 0 !important;
    padding: 0 2rem !important;
    position: relative !important;
    z-index: 10 !important;
}

/* Quiz Card - Modern Professional */
.quiz-card {
    background: rgba(255, 255, 255, 0.95) !important;
    backdrop-filter: blur(16px) !important;
    border-radius: 24px !important;
    padding: 3rem !important;
    margin-bottom: 3rem !important;
    box-shadow: 0 25px 50px rgba(15, 23, 42, 0.15) !important;
    border: 1px solid rgba(226, 232, 240, 0.5) !important;
    position: relative !important;
    overflow: hidden !important;
}

.quiz-card::before {
    content: '' !important;
    position: absolute !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    height: 4px !important;
    background: linear-gradient(90deg, #1e40af 0%, #3b82f6 50%, #60a5fa 100%) !important;
}

/* Start Screen */
.quiz-start {
    text-align: center !important;
    padding: 4rem 2rem !important;
}

.quiz-start h2 {
    font-size: 2.5rem !important;
    font-weight: 700 !important;
    color: #1e40af !important;
    margin-bottom: 1.5rem !important;
    letter-spacing: -0.025em !important;
}

.quiz-start p {
    font-size: 1.125rem !important;
    color: #64748b !important;
    margin-bottom: 2rem !important;
    line-height: 1.7 !important;
    max-width: 600px !important;
    margin-left: auto !important;
    margin-right: auto !important;
}

.quiz-start-btn {
    background: linear-gradient(135deg, #1e40af 0%, #3b82f6 100%) !important;
    color: white !important;
    border: none !important;
    padding: 1rem 2.5rem !important;
    border-radius: 12px !important;
    font-weight: 600 !important;
    font-size: 1.125rem !important;
    cursor: pointer !important;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
    text-transform: uppercase !important;
    letter-spacing: 0.05em !important;
    box-shadow: 0 4px 12px rgba(30, 64, 175, 0.3) !important;
}

.quiz-start-btn:hover {
    transform: translateY(-2px) !important;
    box-shadow: 0 8px 24px rgba(30, 64, 175, 0.4) !important;
}

/* Loading State - Modern */
.quiz-loading {
    text-align: center !important;
    padding: 4rem 2rem !important;
}

.quiz-loading h2 {
    margin-bottom: 1.5rem !important;
    color: #0f172a !important;
    font-size: 1.75rem !important;
    font-weight: 600 !important;
}

.quiz-loading p {
    color: #64748b !important;
    font-size: 1rem !important;
    margin-bottom: 2rem !important;
}

.quiz-loading-spinner {
    width: 48px !important;
    height: 48px !important;
    border: 4px solid #e2e8f0 !important;
    border-top: 4px solid #0f172a !important;
    border-radius: 50% !important;
    animation: spin 1s linear infinite !important;
    margin: 0 auto 2rem !important;
}

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

/* Quiz Progress Bar - Modern */
.quiz-progress {
    background: #e2e8f0 !important;
    height: 6px !important;
    border-radius: 6px !important;
    margin-bottom: 2.5rem !important;
    overflow: hidden !important;
    position: relative !important;
}

.quiz-progress-bar {
    background: linear-gradient(90deg, #1e40af 0%, #3b82f6 50%, #60a5fa 100%) !important;
    height: 100% !important;
    border-radius: 6px !important;
    transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1) !important;
    width: 0% !important;
    position: relative !important;
}

.quiz-progress-bar::after {
    content: '' !important;
    position: absolute !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    background: linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, 0.3) 50%, transparent 100%) !important;
    animation: shimmer 2s infinite !important;
}

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

/* Question display - Modern */
.quiz-question {
    display: none !important;
    animation: fadeIn 0.4s ease-out !important;
}

.quiz-question.active {
    display: block !important;
}

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

.quiz-question-text {
    font-size: 1.5rem !important;
    font-weight: 600 !important;
    color: #1e40af !important;
    margin-bottom: 2rem !important;
    line-height: 1.4 !important;
    letter-spacing: -0.025em !important;
}

/* Answer options - Modern Professional */
.quiz-answers {
    display: grid !important;
    gap: 1rem !important;
}

@media (max-width: 480px) {
    .quiz-answers {
        gap: 0.75rem !important;
    }
}

.quiz-answer {
    background: rgba(248, 250, 252, 0.8) !important;
    border: 2px solid #e2e8f0 !important;
    border-radius: 16px !important;
    padding: 1.25rem 1.5rem !important;
    cursor: pointer !important;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
    font-size: 1.125rem !important;
    text-align: left !important;
    display: flex !important;
    align-items: center !important;
    gap: 1rem !important;
    position: relative !important;
    overflow: hidden !important;
}

.quiz-answer::before {
    content: '' !important;
    position: absolute !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    background: linear-gradient(135deg, rgba(30, 64, 175, 0.05) 0%, rgba(59, 130, 246, 0.05) 100%) !important;
    opacity: 0 !important;
    transition: opacity 0.3s ease !important;
}

.quiz-answer:hover {
    border-color: #1e40af !important;
    background: rgba(255, 255, 255, 0.9) !important;
    transform: translateY(-2px) !important;
    box-shadow: 0 8px 24px rgba(30, 64, 175, 0.12) !important;
}

.quiz-answer:hover::before {
    opacity: 1 !important;
}

.quiz-answer.selected {
    border-color: #1e40af !important;
    background: rgba(30, 64, 175, 0.05) !important;
    transform: translateY(-1px) !important;
    box-shadow: 0 4px 12px rgba(30, 64, 175, 0.15) !important;
}

.quiz-answer-letter {
    background: linear-gradient(135deg, #1e40af 0%, #3b82f6 100%) !important;
    color: white !important;
    width: 2.5rem !important;
    height: 2.5rem !important;
    border-radius: 12px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    font-weight: 600 !important;
    font-size: 1rem !important;
    flex-shrink: 0 !important;
    box-shadow: 0 2px 8px rgba(30, 64, 175, 0.3) !important;
}

.quiz-answer-text {
    color: #1e40af !important;
    font-weight: 500 !important;
    line-height: 1.5 !important;
}

/* Quiz controls - Modern */
.quiz-controls {
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
    margin-top: 3rem !important;
    padding-top: 2rem !important;
    border-top: 1px solid #e2e8f0 !important;
    gap: 1rem !important;
}

.quiz-btn {
    background: linear-gradient(135deg, #1e40af 0%, #3b82f6 100%) !important;
    color: white !important;
    border: none !important;
    padding: 0.875rem 1.75rem !important;
    border-radius: 12px !important;
    font-weight: 600 !important;
    cursor: pointer !important;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
    font-size: 1rem !important;
    text-transform: uppercase !important;
    letter-spacing: 0.025em !important;
    box-shadow: 0 4px 12px rgba(30, 64, 175, 0.3) !important;
}

.quiz-btn:hover {
    transform: translateY(-2px) !important;
    box-shadow: 0 8px 24px rgba(30, 64, 175, 0.4) !important;
}

.quiz-btn:disabled {
    background: #94a3b8 !important;
    cursor: not-allowed !important;
    transform: none !important;
    box-shadow: none !important;
}

.quiz-btn.secondary {
    background: #64748b !important;
}

.quiz-btn.secondary:hover {
    background: #475569 !important;
}

/* Share buttons */
.share-buttons {
    display: flex !important;
    gap: 0.75rem !important;
    justify-content: center !important;
    flex-wrap: wrap !important;
    margin: 2rem 0 !important;
}

.share-btn {
    background: #64748b !important;
    color: white !important;
    border: none !important;
    padding: 0.75rem 1.25rem !important;
    border-radius: 12px !important;
    font-weight: 500 !important;
    cursor: pointer !important;
    transition: all 0.3s ease !important;
    font-size: 0.875rem !important;
    display: flex !important;
    align-items: center !important;
    gap: 0.5rem !important;
    text-decoration: none !important;
}

.share-btn:hover {
    transform: translateY(-2px) !important;
    box-shadow: 0 4px 12px rgba(100, 116, 139, 0.4) !important;
}

.share-btn.twitter {
    background: #1d9bf0 !important;
}

.share-btn.facebook {
    background: #1877f2 !important;
}

.share-btn.linkedin {
    background: #0077b5 !important;
}

.share-btn.whatsapp {
    background: #25d366 !important;
}

/* Quiz Info */
.quiz-info {
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
    margin-bottom: 2rem !important;
    padding: 1rem 1.5rem !important;
    background: rgba(248, 250, 252, 0.8) !important;
    border-radius: 12px !important;
    border: 1px solid #e2e8f0 !important;
}

.quiz-info span {
    font-size: 0.875rem !important;
    color: #64748b !important;
    font-weight: 500 !important;
}

.quiz-timer {
    font-weight: 600 !important;
    color: #1e40af !important;
}

/* Mobile optimizations - Better Responsive Design */
@media screen and (max-width: 768px) {
    html {
        font-size: 14px !important;
    }
    
    .quiz-hero {
        padding: 2rem 1rem !important;
    }
    
    .quiz-hero-title {
        font-size: 2rem !important;
        line-height: 1.2 !important;
        margin-bottom: 1rem !important;
    }
    
    .quiz-hero-subtitle {
        font-size: 1rem !important;
        line-height: 1.5 !important;
        padding: 0 1rem !important;
    }
    
    .quiz-container {
        padding: 0 1rem !important;
        margin: -2rem auto 0 !important;
        max-width: 100% !important;
    }
    
    .quiz-card {
        padding: 1.5rem !important;
        margin-bottom: 1.5rem !important;
        border-radius: 16px !important;
        box-shadow: 0 4px 12px rgba(30, 64, 175, 0.1) !important;
    }
    
    .quiz-start {
        padding: 2rem 1rem !important;
    }
    
    .quiz-start h2 {
        font-size: 1.75rem !important;
        margin-bottom: 1rem !important;
    }
    
    .quiz-start p {
        font-size: 1rem !important;
        line-height: 1.6 !important;
        margin-bottom: 1.5rem !important;
    }
    
    .quiz-question-text {
        font-size: 1.125rem !important;
        line-height: 1.4 !important;
        margin-bottom: 1.5rem !important;
    }
    
    .quiz-answer {
        padding: 1rem !important;
        font-size: 1rem !important;
        margin-bottom: 0.75rem !important;
        border-radius: 12px !important;
    }
    
    .quiz-answer-letter {
        width: 2.5rem !important;
        height: 2.5rem !important;
        font-size: 1rem !important;
        border-radius: 8px !important;
    }
    
    .quiz-controls {
        flex-direction: column !important;
        gap: 1rem !important;
        margin-top: 2rem !important;
    }
    
    .quiz-btn {
        width: 100% !important;
        padding: 1rem !important;
        font-size: 1rem !important;
        min-height: 48px !important;
    }
    
    .quiz-info {
        flex-direction: column !important;
        gap: 0.5rem !important;
        text-align: center !important;
        padding: 1rem !important;
    }
    
    .quiz-results {
        padding: 1.5rem 1rem !important;
    }
    
    .quiz-results h2 {
        font-size: 1.75rem !important;
        margin-bottom: 1.5rem !important;
    }
    
    .quiz-results-grid {
        grid-template-columns: 1fr 1fr !important;
        gap: 1rem !important;
        padding: 1.5rem !important;
    }
    
    .quiz-stat-value {
        font-size: 1.75rem !important;
    }
    
    .quiz-stat-label {
        font-size: 0.875rem !important;
    }
}

@media screen and (max-width: 480px) {
    html {
        font-size: 13px !important;
    }
    
    .quiz-hero {
        padding: 1.5rem 0.75rem !important;
    }
    
    .quiz-hero-title {
        font-size: 1.75rem !important;
        line-height: 1.1 !important;
    }
    
    .quiz-hero-subtitle {
        font-size: 0.95rem !important;
        line-height: 1.4 !important;
        padding: 0 0.5rem !important;
    }
    
    .quiz-container {
        padding: 0 0.75rem !important;
        margin: -1.5rem auto 0 !important;
    }
    
    .quiz-card {
        padding: 1.25rem !important;
        border-radius: 12px !important;
    }
    
    .quiz-start {
        padding: 1.5rem 0.75rem !important;
    }
    
    .quiz-start h2 {
        font-size: 1.5rem !important;
    }
    
    .quiz-start p {
        font-size: 0.95rem !important;
        line-height: 1.5 !important;
    }
    
    .quiz-question-text {
        font-size: 1rem !important;
        line-height: 1.3 !important;
    }
    
    .quiz-answer {
        padding: 0.875rem !important;
        font-size: 0.95rem !important;
    }
    
    .quiz-answer-letter {
        width: 2.25rem !important;
        height: 2.25rem !important;
        font-size: 0.875rem !important;
    }
    
    .quiz-btn {
        padding: 0.875rem !important;
        font-size: 0.95rem !important;
        min-height: 44px !important;
    }
    
    .quiz-results-grid {
        grid-template-columns: 1fr !important;
        gap: 0.75rem !important;
        padding: 1.25rem !important;
    }
    
    .quiz-stat-value {
        font-size: 1.5rem !important;
    }
    
    .quiz-stat-label {
        font-size: 0.8rem !important;
    }
}

@media screen and (max-width: 375px) {
    html {
        font-size: 12px !important;
    }
    
    .quiz-hero {
        padding: 1.25rem 0.5rem !important;
    }
    
    .quiz-hero-title {
        font-size: 1.5rem !important;
    }
    
    .quiz-hero-subtitle {
        font-size: 0.9rem !important;
    }
    
    .quiz-container {
        padding: 0 0.5rem !important;
    }
    
    .quiz-card {
        padding: 1rem !important;
    }
    
    .quiz-answer {
        padding: 0.75rem !important;
        font-size: 0.9rem !important;
    }
    
    .quiz-answer-letter {
        width: 2rem !important;
        height: 2rem !important;
        font-size: 0.8rem !important;
    }
    
    .quiz-question-text {
        font-size: 0.95rem !important;
    }
    
    .quiz-btn {
        padding: 0.75rem !important;
        font-size: 0.9rem !important;
        min-height: 40px !important;
    }
}

/* Hidden utility class */
.hidden {
    display: none !important;
}

/* Accessibility */
.visually-hidden {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

/* Modern results styling */
.quiz-results {
    text-align: center !important;
    padding: 3rem 2rem !important;
}

.quiz-results h2 {
    font-size: 2.5rem !important;
    font-weight: 700 !important;
    color: #1e40af !important;
    margin-bottom: 1.5rem !important;
    letter-spacing: -0.025em !important;
}

.quiz-results-grid {
    display: grid !important;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)) !important;
    gap: 1.5rem !important;
    margin: 2rem 0 !important;
    padding: 2rem !important;
    background: rgba(248, 250, 252, 0.8) !important;
    border-radius: 16px !important;
    border: 1px solid #e2e8f0 !important;
}

.quiz-stat {
    text-align: center !important;
}

.quiz-stat-value {
    font-size: 2.5rem !important;
    font-weight: 700 !important;
    color: #1e40af !important;
    margin-bottom: 0.5rem !important;
}

.quiz-stat-label {
    color: #64748b !important;
    font-size: 0.875rem !important;
    font-weight: 500 !important;
    text-transform: uppercase !important;
    letter-spacing: 0.05em !important;
}

/* ------------------------------------------------------------------
 * Footer typography fix (scoped to this page only)
 * The quiz stylesheet uses global typography rules that can make the
 * global site footer text appear larger than on other pages. These
 * overrides restore the normal footer font size/line-height while
 * this page-specific CSS is loaded.
 * ------------------------------------------------------------------ */
footer,
footer p,
footer a,
footer li,
.site-footer,
.site-footer p,
.site-footer a,
.site-footer li {
    font-size: 0.875rem !important;  /* ~14px */
    line-height: 1.5 !important;
}