/* ===================================
   BEYOND POD - 인터랙티브 페이지 스타일
   =================================== */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Nanum+Myeongjo:wght@400;700;800&family=Noto+Sans+KR:wght@300;400;500;600;700&display=swap');

/* CSS Variables */
:root {
    /* Primary Gradient */
    --primary-from: #E5D4ED;
    --primary-to: #D4E5F7;
    --primary-gradient: linear-gradient(135deg, var(--primary-from) 0%, var(--primary-to) 100%);

    /* Accent Colors */
    --accent-gold: #D4AF37;
    --accent-gold-light: #F5E6B3;
    --accent-black: #1a1a1a;
    --accent-purple: #9B7BB8;

    /* Status Colors */
    --success: #10b981;
    --success-light: #d1fae5;
    --warning: #f59e0b;
    --warning-light: #fef3c7;
    --error: #ef4444;
    --error-light: #fee2e2;

    /* Neutrals */
    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --bg-tertiary: #f3f4f6;
    --text-primary: #1a1a1a;
    --text-secondary: #6b7280;
    --text-muted: #9ca3af;
    --border-light: #e5e7eb;
    --border-medium: #d1d5db;

    /* Glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.85);
    --glass-border: rgba(255, 255, 255, 0.18);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);

    /* Typography */
    --font-display: 'Nanum Myeongjo', serif;
    --font-sans: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);

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

/* ===================================
   Base Styles
   =================================== */
.interactive-page {
    font-family: var(--font-sans);
    background: var(--primary-gradient);
    min-height: 100vh;
    color: var(--text-primary);
    overflow-x: hidden;
}

.interactive-page * {
    box-sizing: border-box;
}

/* ===================================
   Progress Indicator
   =================================== */
.progress-container {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
    padding: var(--spacing-md) var(--spacing-lg);
}

.progress-inner {
    max-width: 900px;
    margin: 0 auto;
}

.progress-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.progress-logo {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--accent-black);
}

.progress-close {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--bg-tertiary);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-base);
}

.progress-close:hover {
    background: var(--border-light);
    transform: rotate(90deg);
}

.progress-steps {
    display: flex;
    gap: var(--spacing-xs);
    align-items: center;
}

.progress-step {
    flex: 1;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.step-circle {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--bg-tertiary);
    border: 2px solid var(--border-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-muted);
    transition: var(--transition-base);
    flex-shrink: 0;
}

.step-circle.active {
    background: var(--accent-black);
    border-color: var(--accent-black);
    color: white;
}

.step-circle.completed {
    background: var(--success);
    border-color: var(--success);
    color: white;
}

.step-line {
    flex: 1;
    height: 2px;
    background: var(--border-light);
    transition: var(--transition-base);
}

.step-line.completed {
    background: var(--success);
}

.step-label {
    display: none;
}

@media (min-width: 768px) {
    .step-label {
        display: block;
        font-size: 0.75rem;
        color: var(--text-muted);
        white-space: nowrap;
    }

    .progress-step.active .step-label {
        color: var(--accent-black);
        font-weight: 600;
    }
}

/* ===================================
   Main Content Container
   =================================== */
.interactive-main {
    padding-top: 120px;
    padding-bottom: var(--spacing-2xl);
    min-height: 100vh;
}

.step-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* ===================================
   Step Cards (Generic)
   =================================== */
.step-content {
    display: none;
    animation: fadeInUp 0.6s ease forwards;
}

.step-content.active {
    display: block;
}

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

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

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

.step-number {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(155, 123, 184, 0.15);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--accent-purple);
    margin-bottom: var(--spacing-sm);
}

.step-title {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 4vw, 2rem);
    font-weight: 800;
    color: var(--accent-black);
    margin-bottom: var(--spacing-xs);
}

.step-subtitle {
    font-size: 1rem;
    color: var(--text-secondary);
}

/* ===================================
   Step 1: Manuscript Type Cards
   =================================== */
.category-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

@media (max-width: 640px) {
    .category-grid {
        grid-template-columns: 1fr;
    }
}

.category-card {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 2px solid var(--glass-border);
    border-radius: 16px;
    padding: var(--spacing-lg);
    cursor: pointer;
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.category-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--accent-gold-light), transparent);
    opacity: 0;
    transition: var(--transition-base);
}

.category-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--glass-shadow);
}

.category-card:hover::before {
    opacity: 0.3;
}

.category-card.selected {
    border-color: var(--accent-gold);
    box-shadow: 0 0 0 4px rgba(212, 175, 55, 0.2);
}

.category-card.selected::before {
    opacity: 0.5;
}

.category-icon {
    width: 48px;
    height: 48px;
    background: var(--bg-tertiary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    position: relative;
    z-index: 1;
}

.category-card.selected .category-icon {
    background: var(--accent-gold);
    color: white;
}

.category-name {
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    position: relative;
    z-index: 1;
}

.category-desc {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.6;
    position: relative;
    z-index: 1;
}

.category-trigger {
    display: none;
    margin-top: var(--spacing-sm);
    padding: 0.5rem 0.75rem;
    background: rgba(212, 175, 55, 0.15);
    border-radius: 8px;
    font-size: 0.75rem;
    color: var(--accent-gold);
    font-weight: 600;
    position: relative;
    z-index: 1;
}

.category-card.selected .category-trigger {
    display: block;
}

/* ===================================
   Media Selection
   =================================== */
.media-section {
    margin-bottom: var(--spacing-xl);
}

.section-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

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

.media-option {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    border: 2px solid var(--glass-border);
    border-radius: 12px;
    cursor: pointer;
    transition: var(--transition-base);
}

.media-option:hover {
    border-color: var(--border-medium);
}

.media-option.selected {
    border-color: var(--accent-black);
    background: white;
}

.media-checkbox {
    width: 24px;
    height: 24px;
    border: 2px solid var(--border-medium);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-base);
    flex-shrink: 0;
}

.media-option.selected .media-checkbox {
    background: var(--accent-black);
    border-color: var(--accent-black);
    color: white;
}

.media-text {
    flex: 1;
}

.media-title {
    font-weight: 600;
    margin-bottom: 2px;
}

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

.media-badge {
    padding: 0.25rem 0.75rem;
    background: linear-gradient(135deg, #1a365d, #2d3748);
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 50px;
    white-space: nowrap;
}

.discount-badge {
    background: var(--success);
    margin-left: var(--spacing-xs);
}

/* ===================================
   Step 2: Pain Points
   =================================== */
.pain-points {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.pain-point-card {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    border: 2px solid var(--glass-border);
    border-radius: 16px;
    padding: var(--spacing-lg);
    cursor: pointer;
    transition: var(--transition-base);
}

.pain-point-card:hover {
    box-shadow: var(--glass-shadow);
}

.pain-point-card.selected {
    border-color: var(--accent-black);
}

.pain-point-header {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.pain-checkbox {
    width: 24px;
    height: 24px;
    border: 2px solid var(--border-medium);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-base);
    flex-shrink: 0;
    margin-top: 2px;
}

.pain-point-card.selected .pain-checkbox {
    background: var(--accent-black);
    border-color: var(--accent-black);
    color: white;
}

.pain-content {
    flex: 1;
}

.pain-title {
    font-weight: 600;
    font-size: 1rem;
    margin-bottom: var(--spacing-xs);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.tooltip-icon {
    width: 18px;
    height: 18px;
    background: var(--bg-tertiary);
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    color: var(--text-muted);
    cursor: help;
    position: relative;
}

.tooltip-content {
    position: absolute;
    top: calc(100% + 12px);
    left: 50%;
    transform: translateX(-50%);
    width: 320px;
    max-width: 90vw;
    padding: var(--spacing-md);
    background: var(--accent-black);
    color: white;
    border-radius: 12px;
    font-size: 0.875rem;
    line-height: 1.6;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-base);
    z-index: 1000;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.tooltip-content::after {
    content: '';
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 8px solid transparent;
    border-bottom-color: var(--accent-black);
}

.tooltip-icon:hover .tooltip-content {
    opacity: 1;
    visibility: visible;
}

.tooltip-problem {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--spacing-sm);
}

.tooltip-solution {
    padding-top: var(--spacing-sm);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.tooltip-solution strong {
    color: var(--accent-gold);
}

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

/* ===================================
   Step 3: Upload & Analysis
   =================================== */
.upload-zone {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    border: 3px dashed var(--border-medium);
    border-radius: 20px;
    padding: var(--spacing-2xl);
    text-align: center;
    transition: var(--transition-base);
    cursor: pointer;
    margin-bottom: var(--spacing-xl);
}

.upload-zone:hover,
.upload-zone.dragover {
    border-color: var(--accent-purple);
    background: rgba(155, 123, 184, 0.1);
}

.upload-icon {
    width: 64px;
    height: 64px;
    background: var(--bg-tertiary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
    font-size: 1.5rem;
}

.upload-text {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.upload-hint {
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* Analyzing State */
.analyzing-container {
    display: none;
    text-align: center;
    padding: var(--spacing-2xl);
}

.analyzing-container.active {
    display: block;
}

.analyzing-spinner {
    width: 80px;
    height: 80px;
    border: 4px solid var(--bg-tertiary);
    border-top-color: var(--accent-purple);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto var(--spacing-lg);
}

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

.analyzing-text {
    font-size: 1rem;
    color: var(--text-secondary);
    min-height: 1.5rem;
}

.analyzing-text.fade {
    animation: textFade 0.5s ease;
}

@keyframes textFade {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.3;
    }
}

/* Analysis Results */
.analysis-results {
    display: none;
}

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

.result-section {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.result-section-title {
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.result-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
}

@media (max-width: 640px) {
    .result-grid {
        grid-template-columns: 1fr;
    }
}

.result-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: white;
    border-radius: 10px;
}

.result-icon {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.result-icon.success {
    background: var(--success-light);
    color: var(--success);
}

.result-icon.warning {
    background: var(--warning-light);
    color: var(--warning);
}

.result-icon.error {
    background: var(--error-light);
    color: var(--error);
}

.result-icon.info {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
}

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

.result-value {
    font-weight: 600;
}

.result-note {
    font-size: 0.75rem;
    color: var(--accent-gold);
    margin-top: 2px;
}

/* Financial Summary */
.financial-summary {
    background: linear-gradient(135deg, #1a1a1a, #2d2d2d);
    color: white;
    border-radius: 16px;
    padding: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.financial-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.financial-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.financial-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.9rem;
}

.financial-value {
    font-weight: 700;
    font-size: 1.125rem;
}

.financial-highlight {
    color: var(--success);
}

/* ===================================
   Step 4: Service Tiers
   =================================== */
.tier-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

@media (max-width: 900px) {
    .tier-grid {
        grid-template-columns: 1fr;
    }
}

.tier-card {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    border: 2px solid var(--glass-border);
    border-radius: 20px;
    padding: var(--spacing-lg);
    cursor: pointer;
    transition: var(--transition-base);
    position: relative;
}

.tier-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--glass-shadow);
}

.tier-card.selected {
    border-color: var(--accent-gold);
    box-shadow: 0 0 0 4px rgba(212, 175, 55, 0.2);
}

.tier-card.popular {
    border-color: var(--accent-black);
}

.tier-card.popular::before {
    content: 'BEST';
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    padding: 0.25rem 1rem;
    background: var(--accent-black);
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: 50px;
}

.tier-icon {
    width: 48px;
    height: 48px;
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.tier-name {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 800;
    margin-bottom: var(--spacing-xs);
}

.tier-tagline {
    font-size: 0.875rem;
    color: var(--accent-purple);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.tier-target {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border-light);
}

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

.tier-features li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-xs);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-xs);
}

.tier-features li::before {
    content: '✓';
    color: var(--success);
    font-weight: 700;
}

.tier-price {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-light);
}

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

.price-value {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 800;
}

.price-note {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: var(--spacing-xs);
}

/* Comparison Graph */
.comparison-section {
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
    border-radius: 20px;
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.comparison-title {
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    text-align: center;
}

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

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

.comparison-label {
    width: 100px;
    font-size: 0.875rem;
    flex-shrink: 0;
}

.comparison-bar {
    flex: 1;
    height: 40px;
    background: var(--bg-tertiary);
    border-radius: 8px;
    overflow: hidden;
    position: relative;
}

.comparison-fill {
    height: 100%;
    display: flex;
    align-items: center;
    padding: 0 var(--spacing-sm);
    font-weight: 600;
    font-size: 0.875rem;
    color: white;
    transition: width 1s ease;
}

.comparison-fill.other {
    background: var(--text-muted);
    width: 33%;
}

.comparison-fill.finderbooks {
    background: linear-gradient(90deg, var(--success), #059669);
    width: 100%;
}

/* Quote Calculator */
.quote-calculator {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.quote-title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.quote-breakdown {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.quote-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm);
    background: white;
    border-radius: 8px;
}

.quote-row.total {
    background: var(--accent-black);
    color: white;
    font-weight: 700;
    font-size: 1.125rem;
}

.ebook-toggle {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: linear-gradient(135deg, rgba(155, 123, 184, 0.1), rgba(212, 175, 55, 0.1));
    border-radius: 12px;
    cursor: pointer;
}

.toggle-switch {
    width: 48px;
    height: 24px;
    background: var(--border-medium);
    border-radius: 12px;
    position: relative;
    transition: var(--transition-base);
}

.toggle-switch::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 20px;
    height: 20px;
    background: white;
    border-radius: 50%;
    transition: var(--transition-base);
}

.ebook-toggle.active .toggle-switch {
    background: var(--success);
}

.ebook-toggle.active .toggle-switch::after {
    left: 26px;
}

.toggle-text {
    flex: 1;
}

.toggle-title {
    font-weight: 600;
    margin-bottom: 2px;
}

.toggle-badges {
    display: flex;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-xs);
}

.platform-badge {
    padding: 0.25rem 0.5rem;
    background: var(--accent-purple);
    color: white;
    font-size: 0.625rem;
    font-weight: 600;
    border-radius: 4px;
    animation: pulse 2s infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.7;
    }
}

/* Trust Section */
.trust-section {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

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

.trust-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: white;
    border-radius: 12px;
}

.trust-icon {
    width: 40px;
    height: 40px;
    background: var(--success-light);
    color: var(--success);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.trust-text h4 {
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 2px;
}

.trust-text p {
    font-size: 0.75rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* ===================================
   Navigation Buttons
   =================================== */
.nav-buttons {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-md);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-light);
}

.btn {
    padding: 1rem 2rem;
    border-radius: 12px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition-base);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    border: none;
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
}

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

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

.btn-primary:hover {
    background: #333;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.btn-primary:disabled {
    background: var(--border-medium);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.btn-success {
    background: linear-gradient(135deg, var(--success), #059669);
    color: white;
    font-size: 1.125rem;
    padding: 1.25rem 2.5rem;
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(16, 185, 129, 0.3);
}

/* ===================================
   Floating Summary Bar
   =================================== */
.floating-summary {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    border-top: 1px solid var(--glass-border);
    padding: var(--spacing-sm) var(--spacing-lg);
    transform: translateY(100%);
    transition: var(--transition-base);
    z-index: 90;
}

.floating-summary.visible {
    transform: translateY(0);
}

.floating-inner {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.floating-tag {
    padding: 0.5rem 1rem;
    background: rgba(16, 185, 129, 0.15);
    color: var(--success);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
}

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

.expert-btn {
    padding: 0.75rem 1.5rem;
    background: var(--accent-purple);
    color: white;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.875rem;
    cursor: pointer;
    transition: var(--transition-base);
}

.expert-btn:hover {
    background: #8a6aa5;
}

/* ===================================
   Responsive Adjustments
   =================================== */
@media (max-width: 640px) {
    .progress-container {
        padding: var(--spacing-sm);
    }

    .step-container {
        padding: 0 var(--spacing-sm);
    }

    .tooltip-content {
        width: 280px;
        left: 0;
        transform: none;
    }

    .nav-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }

    .floating-inner {
        flex-direction: column;
        gap: var(--spacing-sm);
        text-align: center;
    }
}