:root {
    /* Industrial / Swiss Palette */
    --bg-color: #f0f0f0;
    /* Off-white paper feel */
    --text-primary: #000000;
    --text-secondary: #666666;
    --accent-color: #FF4400;
    /* International Orange */
    --grid-color: #cccccc;
    --border-color: #000000;

    /* Typography */
    --font-main: 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    /* Spacing */
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 32px;
    --spacing-xl: 64px;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-main);
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.4;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    flex-direction: column;
    overflow-x: hidden;
    width: 100%;
    /* Grid Background */
    background-image:
        linear-gradient(var(--grid-color) 1px, transparent 1px),
        linear-gradient(90deg, var(--grid-color) 1px, transparent 1px);
    background-size: 40px 40px;

    /* Hide Scrollbar */
    scrollbar-width: none;
    /* Firefox */
    -ms-overflow-style: none;
    /* IE/Edge */
}

body::-webkit-scrollbar {
    display: none;
    /* Chrome/Safari/Opera */
}

/* Technical Layout Elements */
.tech-border {
    border: 2px solid var(--border-color);
    position: relative;
}

.tech-border::before,
.tech-border::after {
    content: '+';
    position: absolute;
    font-family: var(--font-mono);
    font-weight: bold;
    background: var(--bg-color);
    padding: 0 2px;
}

.tech-border::before {
    top: -10px;
    left: -5px;
}

.tech-border::after {
    bottom: -10px;
    right: -5px;
}

.app-container {
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-md);
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

/* Typography */
h1,
h2,
h3 {
    font-family: var(--font-main);
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: -1px;
    margin-bottom: var(--spacing-md);
}

.hero-title {
    font-size: 4rem;
    line-height: 0.9;
    border-bottom: 4px solid var(--accent-color);
    padding-bottom: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.hero-subtitle {
    font-family: var(--font-mono);
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    border-left: 2px solid var(--accent-color);
    padding-left: var(--spacing-md);
}

/* Timer */
.timer-display {
    position: fixed;
    top: var(--spacing-md);
    right: var(--spacing-md);
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: bold;
    background: var(--text-primary);
    color: var(--accent-color);
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--accent-color);
    z-index: 100;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: var(--spacing-md) var(--spacing-lg);
    font-family: var(--font-mono);
    font-size: 1rem;
    font-weight: 700;
    text-transform: uppercase;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s ease;
    border: 2px solid var(--text-primary);
    background: transparent;
    color: var(--text-primary);
}

.primary-btn {
    background-color: var(--accent-color);
    color: white;
    border-color: var(--accent-color);
}

.primary-btn:hover {
    background-color: black;
    color: white;
    border-color: black;
}

.full-width {
    width: 100%;
    text-align: center;
}

/* Screens */
.screen {
    opacity: 0;
    visibility: hidden;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    transition: opacity 0.3s ease;
}

.screen.active {
    opacity: 1;
    visibility: visible;
    position: relative;
}

.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    position: absolute;
}

/* Progress Bar */
.progress-container {
    width: 100%;
    height: 4px;
    background-color: var(--grid-color);
    margin-bottom: var(--spacing-lg);
    position: relative;
}

.progress-bar {
    height: 100%;
    background-color: var(--accent-color);
    width: 0%;
    transition: width 0.2s linear;
}

/* Quiz Card */
.question-card {
    background-color: white;
    padding: var(--spacing-lg);
    border: 2px solid var(--text-primary);
    box-shadow: 8px 8px 0px var(--text-primary);
}

.question-meta {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
}

.question-text {
    font-size: 1.8rem;
    margin-bottom: var(--spacing-lg);
}

.options-grid {
    display: grid;
    gap: var(--spacing-md);
}

.option-btn {
    background-color: white;
    border: 1px solid var(--text-primary);
    padding: var(--spacing-md);
    text-align: left;
    cursor: pointer;
    font-family: var(--font-mono);
    font-size: 1rem;
    transition: all 0.1s ease;
    color: var(--text-primary);
    /* Force black text */
    -webkit-appearance: none;
    /* Remove iOS default styling */
    appearance: none;
}

.option-btn:hover {
    background-color: var(--text-primary);
    color: white;
    transform: translate(-2px, -2px);
    box-shadow: 4px 4px 0px var(--accent-color);
}

/* Processing Screen (New) */
.loader-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 4px;
    width: 60px;
    margin: 0 auto;
}

.loader-cell {
    width: 100%;
    padding-top: 100%;
    /* Square */
    background-color: var(--grid-color);
    animation: pulseGrid 1.5s infinite ease-in-out;
}

.loader-cell:nth-child(1) {
    animation-delay: 0s;
}

.loader-cell:nth-child(2) {
    animation-delay: 0.1s;
}

.loader-cell:nth-child(3) {
    animation-delay: 0.2s;
}

.loader-cell:nth-child(4) {
    animation-delay: 0.1s;
}

.loader-cell:nth-child(5) {
    animation-delay: 0.2s;
}

.loader-cell:nth-child(6) {
    animation-delay: 0.3s;
}

.loader-cell:nth-child(7) {
    animation-delay: 0.2s;
}

.loader-cell:nth-child(8) {
    animation-delay: 0.3s;
}

.loader-cell:nth-child(9) {
    animation-delay: 0.4s;
}

@keyframes pulseGrid {

    0%,
    100% {
        background-color: var(--grid-color);
    }

    50% {
        background-color: var(--accent-color);
    }
}

.progress-line {
    width: 100%;
    height: 2px;
    background: var(--grid-color);
    margin: 1rem 0;
    position: relative;
    overflow: hidden;
}

.progress-line::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 30%;
    background: var(--accent-color);
    animation: scan 2s infinite linear;
}

@keyframes scan {
    0% {
        left: -30%;
    }

    100% {
        left: 100%;
    }
}

/* Teaser / Graph */
.teaser-card {
    background-color: white;
    padding: var(--spacing-lg);
    border: 2px solid var(--text-primary);
}

.graph-container {
    margin: var(--spacing-lg) 0;
    padding: var(--spacing-lg);
    border: 2px dashed var(--text-secondary);
    background: transparent;
}

.bar-chart {
    display: flex;
    align-items: flex-end;
    justify-content: space-around;
    height: 300px;
    /* Increased height for images */
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--text-primary);
}

.bar-group {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 25%;
    justify-content: flex-end;
    /* Align bottom */
    height: 100%;
}

.bar-img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: var(--spacing-sm);
    filter: grayscale(100%) contrast(120%);
    border: 2px solid var(--text-primary);
}

.bar-img-placeholder {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--grid-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-mono);
    font-weight: bold;
    margin-bottom: var(--spacing-sm);
    border: 2px solid var(--text-primary);
}

.bar {
    width: 100%;
    background-color: var(--text-primary);
    transition: height 1s ease-out;
    position: relative;
    min-height: 2px;
    /* Ensure visibility */
}

.bar.famous {
    background-color: var(--text-secondary);
}

.bar.user {
    background-color: var(--accent-color);
    filter: blur(4px);
    /* Blur effect */
}

.bar-label {
    margin-top: var(--spacing-sm);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    text-align: center;
    font-weight: bold;
}

.bar-value {
    margin-bottom: var(--spacing-sm);
    font-family: var(--font-mono);
    font-weight: bold;
}

.blur-text {
    filter: blur(4px);
}

/* Offer Section */
.offer-container {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--grid-color);
    text-align: center;
}

.offer-timer {
    font-family: var(--font-mono);
    color: var(--accent-color);
    font-weight: bold;
    margin-bottom: var(--spacing-sm);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        opacity: 1;
    }

    50% {
        opacity: 0.7;
    }

    100% {
        opacity: 1;
    }
}

.price-box {
    margin-bottom: var(--spacing-md);
}

.old-price {
    text-decoration: line-through;
    color: var(--text-secondary);
    margin-right: var(--spacing-sm);
    font-size: 1.2rem;
}

.new-price {
    font-size: 2rem;
    font-weight: 900;
    color: var(--text-primary);
}

.certificate-section {
    text-align: center;
    background: #f9f9f9;
    padding: var(--spacing-lg);
    border: 2px dashed var(--text-secondary);
    margin-top: var(--spacing-xl);
}

.cert-canvas-container {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: var(--spacing-md) auto;
    max-width: 100%;
    overflow: hidden;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.certificate-preview {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    background: #f9f9f9;
    padding: var(--spacing-sm);
    border: 1px dashed var(--grid-color);
    margin-bottom: var(--spacing-md);
    font-size: 0.9rem;
    font-weight: 600;
}

.trust-badges {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
    font-size: 0.8rem;
    color: var(--text-secondary);
    flex-wrap: wrap;
}

/* Mobile Optimizations */
@media (max-width: 480px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .question-card {
        padding: var(--spacing-md);
        box-shadow: 4px 4px 0px var(--text-primary);
    }

    .timer-display {
        font-size: 1.2rem;
        padding: 4px 8px;
    }

    .result-text {
        font-size: 0.85rem !important;
        /* Prevent wrapping on small screens */
        white-space: nowrap;
        /* Force single line if possible, or allow wrap if too long */
    }
}

/* Upsell Section */
.upsell-section {
    margin: var(--spacing-xl) 0;
    border: 2px solid var(--accent-color);
    background: white;
    position: relative;
    overflow: hidden;
}

.upsell-header {
    background: var(--accent-color);
    color: white;
    padding: var(--spacing-md);
    text-align: center;
}

.upsell-content {
    padding: var(--spacing-lg);
    position: relative;
}

.upsell-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.upsell-card {
    border: 1px solid var(--grid-color);
    padding: var(--spacing-md);
    background: #f9f9f9;
}

.upsell-card h4 {
    font-family: var(--font-mono);
    color: var(--accent-color);
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
}

/* Locked State */
.locked-content {
    filter: blur(5px);
    user-select: none;
    pointer-events: none;
}

.lock-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.8);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 10;
    text-align: center;
    padding: var(--spacing-lg);
}

.lock-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.upsell-price {
    font-size: 2rem;
    font-weight: 900;
    color: var(--accent-color);
    margin: var(--spacing-md) 0;
}

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