:root {
    /* Retro Pop Art Color Palette */
    --pop-red: #FF3B30;
    --pop-blue: #007AFF;
    --pop-yellow: #FFD60A;
    --pop-green: #34C759;
    --pop-orange: #FF9500;
    --pop-pink: #FF2D55;
    --pop-purple: #AF52DE;
    --pop-black: #000000;
    --pop-white: #FFFFFF;
    --pop-cream: #FFF9E5;

    /* Background colors */
    --bg-main: #FFF9E5;
    --bg-card: #FFFFFF;
    --bg-pattern: #FFE5B4;

    /* Text colors */
    --text-dark: #000000;
    --text-light: #333333;

    /* Border */
    --border-thick: 4px;
    --border-medium: 3px;
    --border-thin: 2px;

    /* Shadows - Comic book style */
    --shadow-pop: 6px 6px 0px rgba(0, 0, 0, 1);
    --shadow-pop-lg: 8px 8px 0px rgba(0, 0, 0, 1);
    --shadow-pop-hover: 4px 4px 0px rgba(0, 0, 0, 1);

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    /* Border Radius - More rounded for pop art */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-normal: 250ms cubic-bezier(0.68, -0.55, 0.265, 1.55);
    --transition-slow: 350ms ease-in-out;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-main);
    background-image:
        radial-gradient(circle, var(--pop-black) 1px, transparent 1px);
    background-size: 20px 20px;
    background-position: 0 0, 10px 10px;
    color: var(--text-dark);
    line-height: 1.6;
    min-height: 100vh;
}

/* Header */
.header {
    background: linear-gradient(135deg, var(--pop-red) 0%, var(--pop-orange) 100%);
    padding: var(--spacing-lg) var(--spacing-xl);
    border-bottom: var(--border-thick) solid var(--pop-black);
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow-pop);
    position: relative;
    overflow: hidden;
}

.header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        repeating-linear-gradient(45deg, transparent, transparent 10px, rgba(255, 255, 255, 0.1) 10px, rgba(255, 255, 255, 0.1) 20px);
    pointer-events: none;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    position: relative;
    z-index: 1;
}

.logo {
    width: 56px;
    height: 56px;
    object-fit: contain;
    transition: transform var(--transition-normal);
    filter: drop-shadow(3px 3px 0px var(--pop-black));
}

.logo:hover {
    transform: scale(1.1) rotate(-5deg);
}

.logo-text {
    font-size: 2rem;
    font-weight: 900;
    color: var(--pop-white);
    text-shadow: 3px 3px 0px var(--pop-black);
    letter-spacing: -0.025em;
}

.sample-btn {
    background: var(--pop-yellow);
    color: var(--pop-black);
    border: var(--border-thick) solid var(--pop-black);
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-xl);
    font-size: 1rem;
    font-weight: 900;
    cursor: pointer;
    transition: all var(--transition-normal);
    font-family: 'Inter', sans-serif;
    box-shadow: var(--shadow-pop);
    text-transform: uppercase;
    position: relative;
    z-index: 1;
}

.sample-btn:hover {
    background: var(--pop-green);
    transform: translate(-2px, -2px);
    box-shadow: var(--shadow-pop-lg);
}

/* Container */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-xl);
}

/* Banner */
.banner {
    background: var(--pop-blue);
    border: var(--border-thick) solid var(--pop-black);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    text-align: center;
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--shadow-pop-lg);
    position: relative;
    overflow: hidden;
}

.banner::before {
    content: '';
    position: absolute;
    top: 10px;
    left: 10px;
    right: 10px;
    bottom: 10px;
    border: 3px dashed var(--pop-yellow);
    border-radius: var(--radius-md);
    pointer-events: none;
}

@keyframes shimmer {

    0%,
    100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0;
    }

    50% {
        transform: translate(-30%, -30%) scale(1.2);
        opacity: 1;
    }
}

.banner-title {
    font-size: 2.25rem;
    font-weight: 900;
    color: var(--pop-white);
    margin-bottom: var(--spacing-md);
    position: relative;
    z-index: 1;
    text-transform: uppercase;
    text-shadow: 4px 4px 0px var(--pop-black);
}

.banner-description {
    font-size: 1.1rem;
    color: var(--pop-yellow);
    font-weight: 700;
    position: relative;
    z-index: 1;
    text-shadow: 2px 2px 0px var(--pop-black);
}

/* Main Grid */
.main-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

/* Cards */
.card {
    background: var(--bg-card);
    border: var(--border-thick) solid var(--pop-black);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-pop);
    transition: all var(--transition-normal);
    position: relative;
}

.card:hover {
    box-shadow: var(--shadow-pop-lg);
    transform: translate(-2px, -2px);
}

.card-title {
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--pop-black);
    margin-bottom: var(--spacing-lg);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Text Areas */
.text-area {
    width: 100%;
    min-height: 250px;
    padding: var(--spacing-lg);
    border: var(--border-medium) solid var(--pop-black);
    border-radius: var(--radius-md);
    font-family: 'Inter', monospace;
    font-size: 0.95rem;
    line-height: 1.6;
    resize: vertical;
    transition: all var(--transition-normal);
    background: var(--pop-cream);
    color: var(--text-dark);
    margin-bottom: var(--spacing-lg);
    box-shadow: inset 3px 3px 0px rgba(0, 0, 0, 0.1);
}

.text-area:focus {
    outline: none;
    border-color: var(--pop-red);
    border-width: var(--border-thick);
    box-shadow: inset 4px 4px 0px rgba(255, 59, 48, 0.1);
}

.text-area::placeholder {
    color: var(--text-light);
    font-style: italic;
}

/* Buttons */
.btn {
    width: 100%;
    padding: var(--spacing-lg) var(--spacing-xl);
    border-radius: var(--radius-xl);
    font-size: 1.1rem;
    font-weight: 900;
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    font-family: 'Inter', sans-serif;
    border: var(--border-thick) solid var(--pop-black);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-primary {
    background: var(--pop-red);
    color: var(--pop-white);
    box-shadow: var(--shadow-pop);
}

.btn-primary:hover {
    background: var(--pop-pink);
    transform: translate(-2px, -2px);
    box-shadow: var(--shadow-pop-lg);
}

.btn-primary:active {
    transform: translate(0, 0);
    box-shadow: var(--shadow-pop-hover);
}

.btn-secondary {
    background: var(--pop-blue);
    color: var(--pop-white);
    box-shadow: var(--shadow-pop);
}

.btn-secondary:hover {
    background: var(--pop-purple);
    transform: translate(-2px, -2px);
    box-shadow: var(--shadow-pop-lg);
}

.btn-outline {
    background: var(--pop-yellow);
    color: var(--pop-black);
    box-shadow: var(--shadow-pop);
}

.btn-outline:hover {
    background: var(--pop-orange);
    transform: translate(-2px, -2px);
    box-shadow: var(--shadow-pop-lg);
}

.btn-icon {
    font-size: 1.3rem;
}

.btn span {
    position: relative;
    z-index: 1;
}

/* Options Grid */
.options-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border: var(--border-thin) solid transparent;
    transition: all var(--transition-fast);
}

.checkbox-label:hover {
    background: var(--pop-cream);
    border-color: var(--pop-black);
    transform: translateX(2px);
}

.checkbox-label input[type="checkbox"] {
    width: 24px;
    height: 24px;
    cursor: pointer;
    accent-color: var(--pop-red);
    border: var(--border-thin) solid var(--pop-black);
}

.checkbox-text {
    font-size: 0.95rem;
    color: var(--pop-black);
    font-weight: 600;
    user-select: none;
}

/* Statistics */
.stats-content {
    padding: var(--spacing-lg);
    background: var(--pop-cream);
    border: var(--border-medium) solid var(--pop-black);
    border-radius: var(--radius-md);
    min-height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: inset 2px 2px 0px rgba(0, 0, 0, 0.1);
}

.stats-empty {
    color: var(--text-light);
    font-weight: 700;
    font-size: 1rem;
}

.stats-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    width: 100%;
}

.stats-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--pop-white);
    border: var(--border-thin) solid var(--pop-black);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    box-shadow: 2px 2px 0px rgba(0, 0, 0, 0.2);
}

.stats-label {
    color: var(--pop-black);
    font-weight: 700;
}

.stats-value {
    color: var(--pop-red);
    font-weight: 900;
    font-size: 1.1rem;
}

/* Reset Container */
.reset-container {
    display: flex;
    justify-content: center;
}

.reset-container .btn {
    max-width: 300px;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    animation: fadeIn var(--transition-normal);
}

.modal.active {
    display: flex;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.modal-content {
    background: var(--pop-white);
    border: var(--border-thick) solid var(--pop-black);
    border-radius: var(--radius-lg);
    max-width: 600px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: var(--shadow-pop-lg);
    animation: slideUp var(--transition-slow);
}

@keyframes slideUp {
    from {
        transform: translateY(50px);
        opacity: 0;
    }

    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-xl);
    background: var(--pop-blue);
    border-bottom: var(--border-thick) solid var(--pop-black);
}

.modal-title {
    font-size: 1.75rem;
    font-weight: 900;
    color: var(--pop-white);
    text-transform: uppercase;
    text-shadow: 2px 2px 0px var(--pop-black);
}

.close-btn {
    background: var(--pop-yellow);
    border: var(--border-medium) solid var(--pop-black);
    font-size: 1.5rem;
    color: var(--pop-black);
    cursor: pointer;
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all var(--transition-normal);
    font-weight: 900;
    box-shadow: 3px 3px 0px var(--pop-black);
}

.close-btn:hover {
    background: var(--pop-red);
    color: var(--pop-white);
    transform: rotate(90deg) scale(1.1);
}

.modal-body {
    padding: var(--spacing-xl);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    background: var(--pop-cream);
}

.sample-option {
    background: var(--pop-white);
    border: var(--border-medium) solid var(--pop-black);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    cursor: pointer;
    transition: all var(--transition-normal);
    text-align: left;
    box-shadow: var(--shadow-pop-hover);
}

.sample-option:hover {
    background: var(--pop-yellow);
    transform: translate(-3px, -3px);
    box-shadow: var(--shadow-pop);
}

.sample-title {
    font-size: 1.2rem;
    font-weight: 900;
    color: var(--pop-black);
    margin-bottom: var(--spacing-xs);
    text-transform: uppercase;
}

.sample-desc {
    font-size: 0.95rem;
    color: var(--text-light);
    font-weight: 600;
}

/* Responsive Design */
@media (max-width: 968px) {
    .main-grid {
        grid-template-columns: 1fr;
    }

    .options-grid {
        grid-template-columns: 1fr;
    }

    .header {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .banner-title {
        font-size: 1.5rem;
    }
}

/* Information Sections */
.info-sections {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2xl);
    margin-top: var(--spacing-2xl);
}

.info-card {
    background: var(--bg-card);
    border: var(--border-thick) solid var(--pop-black);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-pop-lg);
    position: relative;
}

.info-title {
    font-size: 2rem;
    font-weight: 900;
    color: var(--pop-black);
    margin-bottom: var(--spacing-lg);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Why Section */
.why-section {
    background: var(--pop-yellow);
    border-color: var(--pop-black);
}

.why-section .info-title {
    color: var(--pop-black);
}

.info-description {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--pop-black);
    font-weight: 600;
}

/* How It Works Section */
.how-section {
    background: var(--pop-blue);
}

.how-section .info-title {
    color: var(--pop-white);
    text-shadow: 3px 3px 0px var(--pop-black);
}

.feature-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.feature-item {
    background: var(--pop-white);
    border: var(--border-medium) solid var(--pop-black);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    box-shadow: 3px 3px 0px rgba(0, 0, 0, 0.3);
    transition: all var(--transition-normal);
}

.feature-item:hover {
    transform: translate(-2px, -2px);
    box-shadow: 5px 5px 0px rgba(0, 0, 0, 0.4);
}

.feature-label {
    font-size: 1.1rem;
    font-weight: 900;
    color: var(--pop-black);
    margin-bottom: var(--spacing-xs);
    text-transform: capitalize;
}

.feature-desc {
    font-size: 0.95rem;
    color: var(--text-light);
    line-height: 1.6;
    font-weight: 600;
}

/* Who Is This For Section */
.who-section {
    background: var(--pop-cream);
}

.who-section .info-title {
    color: var(--pop-black);
}

.audience-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.audience-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    background: var(--pop-white);
    border: var(--border-medium) solid var(--pop-black);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    box-shadow: 3px 3px 0px rgba(0, 0, 0, 0.3);
    transition: all var(--transition-normal);
}

.audience-item:hover {
    transform: translate(-2px, -2px);
    box-shadow: 5px 5px 0px rgba(0, 0, 0, 0.4);
    background: var(--pop-yellow);
}

.audience-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.audience-content {
    flex: 1;
}

.audience-label {
    font-size: 1.1rem;
    font-weight: 900;
    color: var(--pop-black);
    margin-bottom: var(--spacing-xs);
}

.audience-desc {
    font-size: 0.95rem;
    color: var(--text-light);
    line-height: 1.6;
    font-weight: 600;
}

/* Success Animation */
@keyframes successPulse {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.05);
    }
}

.success-animation {
    animation: successPulse 0.3s ease-in-out;
}