/* ===================================
   CSS Variables & Reset
   =================================== */
:root {
    /* Colors */
    --color-primary: #6366f1;
    --color-primary-dark: #4f46e5;
    --color-primary-light: #818cf8;
    --color-secondary: #10b981;
    --color-accent: #f59e0b;
    --color-danger: #ef4444;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-success: linear-gradient(135deg, #4ade80 0%, #22c55e 100%);
    --gradient-cosmic: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);

    /* Dark theme colors */
    --color-bg: #0a0a0f;
    --color-bg-secondary: #13131a;
    --color-bg-tertiary: #1a1a24;
    --color-surface: rgba(255, 255, 255, 0.05);
    --color-surface-hover: rgba(255, 255, 255, 0.08);
    --color-border: rgba(255, 255, 255, 0.1);
    --color-text: #ffffff;
    --color-text-secondary: #a1a1aa;
    --color-text-tertiary: #71717a;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Space Grotesk', var(--font-primary);

    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-glow: 0 0 30px rgba(102, 126, 234, 0.3);

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

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

/* ===================================
   Background Effects
   =================================== */
.bg-gradient {
    position: fixed;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 20% 50%, rgba(102, 126, 234, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(118, 75, 162, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 40% 20%, rgba(240, 147, 251, 0.1) 0%, transparent 50%);
    animation: gradientShift 20s ease infinite;
    pointer-events: none;
    z-index: 0;
}

@keyframes gradientShift {

    0%,
    100% {
        transform: translate(0, 0) rotate(0deg);
    }

    33% {
        transform: translate(5%, 5%) rotate(120deg);
    }

    66% {
        transform: translate(-5%, 5%) rotate(240deg);
    }
}

.bg-grid {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
    z-index: 0;
}

/* ===================================
   Layout
   =================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    position: relative;
    z-index: 1;
}

/* ===================================
   Header
   =================================== */
.header {
    padding: var(--spacing-lg) 0;
    position: relative;
    z-index: 10;
}

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

.logo-text {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===================================
   Typography
   =================================== */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
}

.gradient-text {
    background: var(--gradient-cosmic);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===================================
   Buttons
   =================================== */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 1rem 2rem;
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: var(--radius-lg);
    font-size: 1.125rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: 0 4px 14px rgba(102, 126, 234, 0.4);
    text-decoration: none;
}

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1L6 6L11 1' stroke='%239ca3af' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 3rem;
    cursor: pointer;
    color: var(--color-text);
    background-color: var(--color-surface);
}

.form-group select option {
    background-color: white;
    color: #1a1a1a;
    padding: 0.75rem;
}

.form-group select option:hover,
.form-group select option:focus,
.form-group select option:checked {
    background-color: var(--color-primary);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.5);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.875rem 1.75rem;
    background: var(--color-surface);
    color: var(--color-text);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
}

.btn-secondary:hover {
    background: var(--color-surface-hover);
    border-color: var(--color-primary-light);
}

.btn-link {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-fast);
}

.btn-link:hover {
    color: var(--color-primary-light);
}

.button-group {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    padding: var(--spacing-2xl) 0;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    display: none;
}

.hero.active {
    display: block;
    animation: fadeInUp 0.6s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

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

.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.5rem 1rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 2rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--color-secondary);
    border-radius: 50%;
    animation: pulse 2s ease infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: var(--spacing-md);
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
}

/* ===================================
   Stats Grid
   =================================== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin: var(--spacing-xl) 0 var(--spacing-md) 0;
}

.stats-disclaimer {
    text-align: center;
    font-size: 0.75rem;
    color: var(--color-text-tertiary);
    margin-bottom: var(--spacing-xl);
    opacity: 0.8;
}

.stats-disclaimer a {
    color: var(--color-text-secondary);
    text-decoration: underline;
    transition: color var(--transition-fast);
}

.stats-disclaimer a:hover {
    color: var(--color-primary);
}

.stat-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: all var(--transition-base);
}

.stat-card:hover {
    background: var(--color-surface-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.stat-icon {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

.stat-desc {
    font-size: 0.75rem;
    color: var(--color-text-tertiary);
}

/* ===================================
   Trust Indicators
   =================================== */
.trust-indicators {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
    flex-wrap: wrap;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-text-secondary);
    font-size: 0.875rem;
}

/* ===================================
   Assessment Section
   =================================== */
.assessment {
    padding: var(--spacing-2xl) 0;
    display: none;
}

.assessment.active {
    display: block;
}

.assessment-container {
    max-width: 700px;
    margin: 0 auto;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-xl);
}

/* Progress Bar */
.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--color-surface);
    border-radius: 1rem;
    overflow: hidden;
    margin-bottom: var(--spacing-sm);
}

.progress-fill {
    height: 100%;
    background: var(--gradient-primary);
    transition: width var(--transition-slow);
    border-radius: 1rem;
}

.progress-text {
    text-align: center;
    color: var(--color-text-secondary);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-xl);
}

/* Steps */
.step {
    display: none;
}

.step.active {
    display: block;
    animation: fadeInUp 0.4s ease;
}

.step-title {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
}

.step-subtitle {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
}

/* Form Elements */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    color: var(--color-text);
}

.form-group small {
    display: block;
    margin-top: var(--spacing-xs);
    color: var(--color-text-tertiary);
    font-size: 0.875rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* Consent Checkbox */
.consent-checkbox {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    cursor: pointer;
    padding: var(--spacing-md);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.consent-checkbox:hover {
    background: var(--color-surface-hover);
    border-color: var(--color-primary-light);
}

.consent-checkbox input[type="checkbox"] {
    width: auto;
    min-width: 20px;
    height: 20px;
    margin-top: 2px;
    cursor: pointer;
    accent-color: var(--color-primary);
}

.consent-text {
    font-size: 0.875rem;
    line-height: 1.6;
    color: var(--color-text-secondary);
}

.consent-text a {
    color: var(--color-primary-light);
    text-decoration: underline;
    transition: color var(--transition-fast);
}

.consent-text a:hover {
    color: var(--color-primary);
}


/* Option Cards */
.options-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.option-card {
    background: var(--color-surface);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-base);
}

.option-card:hover {
    background: var(--color-surface-hover);
    border-color: var(--color-primary-light);
    transform: translateY(-4px);
}

.option-card.selected {
    background: rgba(99, 102, 241, 0.1);
    border-color: var(--color-primary);
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.3);
}

.option-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.option-title {
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.option-desc {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

/* Option List */
.options-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
}

.option-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--color-surface);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    cursor: pointer;
    transition: all var(--transition-base);
}

.option-item:hover {
    background: var(--color-surface-hover);
    border-color: var(--color-primary-light);
}

.option-item.selected {
    background: rgba(99, 102, 241, 0.1);
    border-color: var(--color-primary);
}

.option-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.option-icon-small {
    font-size: 1.5rem;
}

.option-title-small {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.option-desc-small {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

.option-check {
    width: 24px;
    height: 24px;
    border: 2px solid var(--color-border);
    border-radius: 50%;
    transition: all var(--transition-fast);
}

.option-item.selected .option-check {
    background: var(--color-primary);
    border-color: var(--color-primary);
    position: relative;
}

.option-item.selected .option-check::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 0.875rem;
}

/* Checkbox Grid */
.checkbox-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.checkbox-card {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--color-surface);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    cursor: pointer;
    transition: all var(--transition-base);
}

.checkbox-card:hover {
    background: var(--color-surface-hover);
    border-color: var(--color-primary-light);
}

.checkbox-card input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.checkbox-card input[type="checkbox"]:checked~.checkbox-content {
    color: var(--color-primary-light);
}

.checkbox-card input[type="checkbox"]:checked~.checkbox-indicator {
    background: var(--color-primary);
    border-color: var(--color-primary);
}

.checkbox-card input[type="checkbox"]:checked~.checkbox-indicator::after {
    opacity: 1;
}

.checkbox-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    transition: color var(--transition-fast);
}

.checkbox-indicator {
    width: 24px;
    height: 24px;
    border: 2px solid var(--color-border);
    border-radius: 6px;
    transition: all var(--transition-fast);
    position: relative;
    flex-shrink: 0;
}

.checkbox-indicator::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 0.875rem;
    opacity: 0;
    transition: opacity var(--transition-fast);
}

/* ===================================
   Results Section
   =================================== */
.results {
    padding: var(--spacing-2xl) 0;
    display: none;
}

.results.active {
    display: block;
    animation: fadeInUp 0.6s ease;
}

.results-container {
    max-width: 800px;
    margin: 0 auto;
}

.results-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.success-icon {
    margin: 0 auto var(--spacing-lg);
    animation: scaleIn 0.5s ease;
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.5);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

.results-title {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.results-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.result-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
    animation: fadeInUp 0.6s ease backwards;
}

.result-card:nth-child(1) {
    animation-delay: 0.1s;
}

.result-card:nth-child(2) {
    animation-delay: 0.2s;
}

.result-card:nth-child(3) {
    animation-delay: 0.3s;
}

.result-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.result-label {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xs);
}

.result-value {
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-xs);
}

.result-desc {
    font-size: 0.875rem;
    color: var(--color-text-tertiary);
}

/* Next Steps */
.next-steps {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.next-steps h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.steps-timeline {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.timeline-item {
    display: flex;
    gap: var(--spacing-md);
    animation: fadeInUp 0.6s ease backwards;
}

.timeline-item:nth-child(1) {
    animation-delay: 0.4s;
}

.timeline-item:nth-child(2) {
    animation-delay: 0.5s;
}

.timeline-item:nth-child(3) {
    animation-delay: 0.6s;
}

.timeline-number {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.125rem;
}

.timeline-content h4 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xs);
}

.timeline-content p {
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* CTA Section */
.cta-section {
    text-align: center;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    animation: fadeInUp 0.6s ease 0.7s backwards;
}

.cta-section h3 {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-sm);
}

.cta-section p {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
}

.cta-section .btn-primary {
    margin-bottom: var(--spacing-md);
}

/* ===================================
   Footer
   =================================== */
.footer {
    padding: var(--spacing-xl) 0;
    text-align: center;
    color: var(--color-text-tertiary);
    border-top: 1px solid var(--color-border);
    margin-top: var(--spacing-2xl);
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

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

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

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

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

    .button-group {
        flex-direction: column;
    }

    .button-group .btn-primary,
    .button-group .btn-secondary {
        width: 100%;
        justify-content: center;
    }

    .trust-indicators {
        flex-direction: column;
        align-items: center;
    }

    .assessment-container {
        padding: var(--spacing-lg);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }

    .hero {
        padding: var(--spacing-lg) 0;
    }

    .assessment {
        padding: var(--spacing-lg) 0;
    }

    .results {
        padding: var(--spacing-lg) 0;
    }
}

/* Error Notification */
.error-notification {
    position: fixed;
    top: 20px;
    right: 20px;
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: white;
    padding: 1rem 1.5rem;
    border-radius: 0.75rem;
    box-shadow: 0 10px 25px rgba(239, 68, 68, 0.3);
    z-index: 10000;
    font-weight: 500;
    max-width: 400px;
    animation: slideInRight 0.3s ease;
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOutRight {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(100%);
        opacity: 0;
    }
}

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