/* ===================================
   CSS Variables & Design System
   =================================== */
:root {
    /* Primary Colors - Unified with main app */
    --primary-color: #2563EB;
    --primary-hover: #1d4ed8;
    --primary-light: #DBEAFE;
    --primary-dark: #1e40af;

    /* Secondary Colors */
    --secondary-color: #10b981;
    --secondary-hover: #059669;

    /* Neutral Colors - Light Mode */
    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --bg-tertiary: #f3f4f6;
    --text-primary: #111827;
    --text-secondary: #4B5563;
    --text-tertiary: #9ca3af;

    /* Border & Divider */
    --border-color: #e5e7eb;
    --divider-color: #d1d5db;
    
    /* Status Colors */
    --success-color: #10b981;
    --success-light: #D1FAE5;
    --warning-color: #f59e0b;
    --warning-light: #FEF3C7;
    --error-color: #ef4444;
    --error-light: #FEE2E2;
    
    /* 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);
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Typography */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;
    
    /* Container */
    --container-max-width: 1280px;
}

/* ===================================
   Global Reset & Base Styles
   =================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

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

h1, h2, h3, h4, h5, h6 {
    line-height: 1.2;
    font-weight: 700;
    color: var(--text-primary);
}

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-base);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

ul, ol {
    list-style: none;
}

/* ===================================
   Container & Layout
   =================================== */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--spacing-2xl);
    }
}

/* ===================================
   Buttons
   =================================== */
.btn-primary,
.btn-secondary {
    display: inline-block;
    padding: 1rem 2rem;
    font-size: var(--font-size-base);
    font-weight: 600;
    text-align: center;
    border-radius: 8px;
    transition: all var(--transition-base);
    white-space: nowrap;
    cursor: pointer;
    border: none;
    text-decoration: none;
}

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

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
    background-color: var(--primary-color);
    color: white;
}

.btn-large {
    padding: 1rem 2rem;
    font-size: var(--font-size-base);
}

/* Focus States for Accessibility */
.btn-primary:focus,
.btn-secondary:focus,
.btn-primary:focus-visible,
.btn-secondary:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
}

.btn-primary:focus-visible,
.btn-secondary:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Additional interactive element focus states */
a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
    border-radius: 4px;
}

.mobile-menu-btn:focus-visible,
.faq-question:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Loading States */
.btn-loading {
    color: transparent !important;
    pointer-events: none;
    position: relative;
}

.btn-loading::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    top: 50%;
    left: 50%;
    margin-left: -8px;
    margin-top: -8px;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: button-loading-spinner 0.6s linear infinite;
}

.btn-primary.btn-loading::after {
    border-top-color: white;
}

.btn-secondary.btn-loading::after {
    border-top-color: var(--primary-color);
}

@keyframes button-loading-spinner {
    from {
        transform: rotate(0turn);
    }
    to {
        transform: rotate(1turn);
    }
}

.btn-full {
    width: 100%;
}

/* ===================================
   Navigation
   =================================== */
.navbar {
    background-color: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
}

.nav-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
}

.logo {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--primary-color);
}

.logo-text {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.nav-links {
    display: none;
    align-items: center;
    gap: var(--spacing-lg);
}

.nav-links a {
    font-weight: 500;
    color: var(--text-secondary);
    transition: all var(--transition-base);
    position: relative;
}

.nav-links a:hover {
    color: var(--primary-color);
}

.nav-links a.active {
    color: var(--primary-color);
    font-weight: 600;
}

.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary-color);
    border-radius: 2px;
}

.nav-login-link {
    color: var(--primary-color) !important;
    font-weight: 600 !important;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    transition: all var(--transition-base);
}

.nav-login-link:hover {
    background-color: var(--primary-light);
}

.mobile-menu-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    color: var(--text-primary);
}

.mobile-menu {
    max-height: 0;
    overflow: hidden;
    background-color: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
    transition: max-height 0.3s ease-out;
}

.mobile-menu.active {
    max-height: 500px;
    transition: max-height 0.3s ease-in;
}

.mobile-menu-content {
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.mobile-menu-content a {
    padding: var(--spacing-sm);
    font-weight: 500;
    color: var(--text-secondary);
}

@media (min-width: 768px) {
    .nav-links {
        display: flex;
    }
    
    .mobile-menu-btn {
        display: none;
    }
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    padding: var(--spacing-md) 0 var(--spacing-xl) 0;
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--primary-light) 100%);
}

.hero .container {
    display: grid;
    gap: var(--spacing-md);
    align-items: center;
}

.hero-title {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
    line-height: 1.3;
}

.hero-subtitle {
    font-size: var(--font-size-base);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.5;
}

.hero-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-sm);
}

.feature-badge {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 500;
    color: var(--text-primary);
}

.feature-badge svg {
    color: var(--secondary-color);
    flex-shrink: 0;
}

.hero-cta {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.cta-subtext {
    font-size: var(--font-size-xs);
    color: var(--text-primary);
    text-align: center;
}

.hero-visual {
    display: none;
}

.hero-card {
    background: white;
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-xl);
}

.card-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    font-weight: 600;
    color: var(--text-primary);
}

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

.document-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.document-item:hover {
    background: var(--bg-tertiary);
}

.document-item.generating {
    opacity: 0.6;
}

.document-item svg:first-child {
    color: var(--primary-color);
    flex-shrink: 0;
}

.document-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.doc-name {
    font-weight: 500;
    color: var(--text-primary);
    font-size: var(--font-size-sm);
}

.doc-status {
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
}

.download-icon {
    color: var(--primary-color);
    cursor: pointer;
    flex-shrink: 0;
}

@media (min-width: 768px) {
    .hero {
        padding: var(--spacing-2xl) 0;
    }

    .hero .container {
        grid-template-columns: 1fr 1fr;
    }

    .hero-title {
        font-size: var(--font-size-3xl);
    }

    .hero-subtitle {
        font-size: var(--font-size-lg);
        line-height: 1.6;
    }

    .hero-features {
        flex-direction: row;
        flex-wrap: wrap;
        gap: var(--spacing-md);
        margin-bottom: var(--spacing-lg);
    }

    .hero-visual {
        display: block;
    }
}

@media (min-width: 1024px) {
    .hero-title {
        font-size: var(--font-size-4xl);
    }
}

/* ===================================
   Stats Section
   =================================== */
.stats-section {
    padding: var(--spacing-2xl) 0;
    background-color: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
    text-align: center;
}

.stat-item {
    padding: var(--spacing-lg);
}

.stat-number {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

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

@media (min-width: 768px) {
    .stats-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* ===================================
   Quality + Quantity Explainer Section
   =================================== */
.explainer-section {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-secondary);
}

.explainer-content {
    display: grid;
    gap: var(--spacing-2xl);
    align-items: center;
}

.explainer-text h2 {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

.explainer-text > p {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

.explainer-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.explainer-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    font-size: var(--font-size-base);
    color: var(--text-secondary);
}

.explainer-list svg {
    color: var(--error-color);
    flex-shrink: 0;
    margin-top: 2px;
}

.explainer-solution {
    font-size: var(--font-size-lg);
    color: var(--text-primary);
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: white;
    border-left: 4px solid var(--secondary-color);
    border-radius: var(--radius-md);
}

.explainer-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.formula-card {
    background: white;
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    border: 2px solid var(--primary-color);
    width: 100%;
}

.formula {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-lg);
    text-align: center;
}

.formula-item {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    flex: 1;
    min-width: 0;
}

.formula-operator,
.formula-equals {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--primary-color);
    flex-shrink: 0;
}

.formula-result {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: white;
    padding: var(--spacing-md) var(--spacing-lg);
    background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
    border-radius: var(--radius-lg);
    flex: 1;
    min-width: 0;
}

@media (min-width: 768px) {
    .explainer-content {
        grid-template-columns: 1fr 1fr;
    }
    
    .explainer-text h2 {
        font-size: var(--font-size-4xl);
    }
    
    .formula {
        flex-direction: row;
        align-items: center;
    }
}

/* ===================================
   Section Headers
   =================================== */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.section-label {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background-color: var(--primary-light);
    color: var(--primary-color);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.section-header h2 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-xs);
    line-height: 1.3;
}

.section-header p {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.5;
}

@media (min-width: 768px) {
    .section-header {
        margin-bottom: var(--spacing-xl);
    }

    .section-header h2 {
        font-size: var(--font-size-2xl);
        margin-bottom: var(--spacing-sm);
    }

    .section-header p {
        font-size: var(--font-size-base);
    }
}

/* ===================================
   Problem Section
   =================================== */
.problem-section {
    padding: var(--spacing-md) 0;
    background-color: var(--bg-secondary);
}

.problems-grid {
    display: grid;
    gap: var(--spacing-sm);
}

.problem-card {
    background: white;
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.problem-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.problem-icon {
    width: 40px;
    height: 40px;
    background: var(--primary-light);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-sm);
}

.problem-icon svg {
    color: var(--primary-color);
    width: 20px;
    height: 20px;
}

.problem-card h3 {
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-xs);
}

.problem-card p {
    color: var(--text-secondary);
    line-height: 1.5;
    font-size: var(--font-size-xs);
}

@media (min-width: 768px) {
    .problem-section {
        padding: var(--spacing-xl) 0;
    }

    .problems-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }

    .problem-card {
        padding: var(--spacing-lg);
    }

    .problem-icon {
        width: 48px;
        height: 48px;
        margin-bottom: var(--spacing-md);
    }

    .problem-icon svg {
        width: 24px;
        height: 24px;
    }

    .problem-card h3 {
        font-size: var(--font-size-lg);
        margin-bottom: var(--spacing-sm);
    }

    .problem-card p {
        font-size: var(--font-size-sm);
        line-height: 1.6;
    }
}

/* ===================================
   Solution Section
   =================================== */
.solution-section {
    padding: var(--spacing-md) 0;
    background-color: var(--bg-primary);
}

/* Feature Card - Main Focus */
.solution-feature-card {
    background: var(--primary-light);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
    box-shadow: var(--shadow-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.feature-card-icon {
    width: 40px;
    height: 40px;
    background: white;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-card-icon svg {
    color: var(--primary-color);
    width: 24px;
    height: 24px;
}

.feature-card-content h3 {
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
    line-height: 1.3;
}

.feature-card-content p {
    font-size: var(--font-size-xs);
    line-height: 1.5;
    opacity: 0.95;
    margin-bottom: var(--spacing-sm);
}

.feature-card-list {
    display: grid;
    gap: 2px;
    list-style: none;
}

.feature-card-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-xs);
    font-size: 11px;
}

.feature-card-list li i {
    flex-shrink: 0;
    margin-top: 2px;
    width: 14px;
    height: 14px;
}

/* Simple Benefits - No Cards */
.solution-benefits-simple {
    display: grid;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.benefit-simple-item {
    text-align: center;
}

.benefit-simple-icon {
    width: 36px;
    height: 36px;
    background: var(--primary-light);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-xs);
}

.benefit-simple-icon svg {
    color: var(--primary-color);
    width: 20px;
    height: 20px;
}

.benefit-simple-item h4 {
    font-size: var(--font-size-sm);
    margin-bottom: 2px;
    color: var(--text-primary);
}

.benefit-simple-item p {
    color: var(--text-secondary);
    line-height: 1.4;
    font-size: 11px;
    max-width: 250px;
    margin: 0 auto;
}

.solution-cta {
    text-align: center;
    margin-top: var(--spacing-sm);
}

@media (min-width: 768px) {
    .solution-section {
        padding: var(--spacing-2xl) 0;
    }

    .solution-feature-card {
        flex-direction: row;
        align-items: flex-start;
        padding: var(--spacing-xl);
        gap: var(--spacing-lg);
        margin-bottom: var(--spacing-2xl);
    }

    .feature-card-icon {
        flex-shrink: 0;
        width: 64px;
        height: 64px;
    }

    .feature-card-icon svg {
        width: 36px;
        height: 36px;
    }

    .feature-card-content h3 {
        font-size: var(--font-size-2xl);
    }

    .feature-card-content p {
        font-size: var(--font-size-base);
        margin-bottom: var(--spacing-lg);
    }

    .feature-card-list {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }

    .feature-card-list li {
        font-size: var(--font-size-sm);
    }

    .solution-benefits-simple {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-xl);
        margin-bottom: var(--spacing-xl);
    }

    .benefit-simple-icon {
        width: 56px;
        height: 56px;
    }

    .benefit-simple-icon svg {
        width: 28px;
        height: 28px;
    }

    .benefit-simple-item h4 {
        font-size: var(--font-size-lg);
    }

    .benefit-simple-item p {
        font-size: var(--font-size-sm);
    }

    .solution-cta {
        margin-top: var(--spacing-lg);
    }
}

/* ===================================
   How It Works Section
   =================================== */
.how-it-works-section {
    padding: var(--spacing-md) 0;
    background-color: var(--bg-secondary);
    border-top: 1px solid #E5E7EB;
}

/* Timeline Container */
.steps-timeline {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    align-items: stretch;
}

/* Timeline Item (includes step card + arrow) */
.timeline-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    flex: 1;
}

.timeline-item:last-child .timeline-arrow {
    display: none;
}

/* Step Card */
.step-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-sm);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    width: 100%;
    position: relative;
}

/* Step Number Badge */
.step-number {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
    color: white;
    font-size: var(--font-size-sm);
    font-weight: 700;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
}

/* Step Icon */
.step-icon {
    width: 40px;
    height: 40px;
    background: var(--primary-light);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: var(--spacing-xs);
}

.step-icon svg {
    color: var(--primary-color);
    width: 24px;
    height: 24px;
}

/* Step Content */
.step-card h3 {
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin: 0;
    color: var(--text-primary);
}

.step-card p {
    font-size: 11px;
    color: var(--text-secondary);
    line-height: 1.4;
    margin: 0;
}

/* Timeline Arrow */
.timeline-arrow {
    color: var(--primary-color);
    opacity: 0.5;
}

.timeline-arrow svg {
    width: 24px;
    height: 24px;
    transform: rotate(90deg);
}

/* Desktop: Horizontal Layout */
@media (min-width: 768px) {
    .steps-timeline {
        flex-direction: row;
        align-items: stretch;
        gap: 0;
    }

    .timeline-item {
        flex-direction: row;
        align-items: center;
        gap: 0;
    }

    .timeline-arrow {
        margin: 0 var(--spacing-xs);
    }

    .timeline-arrow svg {
        transform: rotate(0deg);
    }

    .step-card {
        min-height: 140px;
        justify-content: center;
    }
}

/* ===================================
   Demo Video Section
   =================================== */
.demo-section {
    padding: var(--spacing-3xl) 0;
    background-color: var(--bg-primary);
}

.video-container {
    max-width: 900px;
    margin: 0 auto;
    aspect-ratio: 16 / 9;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.video-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary));
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
}

.video-placeholder svg {
    width: 80px;
    height: 80px;
    color: var(--primary-color);
}

.video-placeholder p {
    color: var(--text-secondary);
    font-size: var(--font-size-lg);
}

/* ===================================
   Comparison Section
   =================================== */
.comparison-section {
    padding: var(--spacing-md) 0;
    background-color: var(--bg-secondary);
}

.comparison-table {
    background: white;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.comparison-header,
.comparison-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

.comparison-header {
    background: var(--primary-light);
    color: var(--text-primary);
    padding: var(--spacing-md);
    font-weight: 600;
}

.comparison-row {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

.comparison-row:last-child {
    border-bottom: none;
}

.comparison-row:hover {
    background-color: var(--bg-secondary);
}

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

.feature-col {
    font-weight: 600;
}

.chatgpt-col,
.fastjobapps-col {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.icon-negative {
    color: var(--error-color);
    flex-shrink: 0;
    margin-top: 2px;
}

.icon-positive {
    color: var(--secondary-color);
    flex-shrink: 0;
    margin-top: 2px;
}

.fastjobapps-col.highlight {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--primary-light) 100%);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
}

.comparison-cta {
    text-align: center;
    margin-top: var(--spacing-md);
}

/* Tablet: side-by-side columns */
@media (min-width: 768px) {
    .comparison-header,
    .comparison-row {
        grid-template-columns: 2fr 2fr 2fr;
        align-items: center;
    }

    .comparison-header {
        padding: var(--spacing-lg);
    }

    .comparison-row {
        padding: var(--spacing-lg);
    }

    /* Hide feature label on tablet+ since header shows it */
    .comparison-col.feature-col {
        display: flex;
    }
}

/* Mobile: stack columns with labels */
@media (max-width: 767px) {
    .comparison-header {
        display: none; /* Hide header on mobile */
    }

    .comparison-row {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
        padding: var(--spacing-md);
    }

    .comparison-col {
        padding: var(--spacing-sm);
        background: var(--bg-secondary);
        border-radius: var(--radius-md);
    }

    /* Show feature name at top of each row on mobile */
    .comparison-col.feature-col {
        background: var(--primary-color);
        color: white;
        font-weight: 600;
        text-align: center;
    }
}

/* ===================================
   Pricing Section
   =================================== */
.pricing-section {
    padding: var(--spacing-md) 0;
    background-color: var(--bg-primary);
}

.pricing-grid {
    display: grid;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.pricing-cta {
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.pricing-card {
    background: white;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    transition: all var(--transition-base);
    position: relative;
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.pricing-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.pricing-card.popular {
    border-color: var(--primary-color);
    border-width: 2px;
}

.popular-badge {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-color);
    color: white;
    padding: 2px var(--spacing-sm);
    border-radius: var(--radius-full);
    font-size: 11px;
    font-weight: 600;
}

.pricing-card h3 {
    font-size: var(--font-size-base);
    margin: 0;
    margin-top: var(--spacing-xs);
    font-weight: 600;
}

.price {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    margin: var(--spacing-xs) 0;
}

.currency {
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-top: 3px;
}

.amount {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--primary-color);
}

.credits {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-primary);
}

.per-credit {
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
}

.pricing-tagline {
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    margin: var(--spacing-xs) 0 0 0;
    line-height: 1.4;
}

.savings {
    display: inline-block;
    margin-top: var(--spacing-sm);
    padding: var(--spacing-xs) var(--spacing-md);
    background-color: var(--success-light);
    color: var(--secondary-color);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
}

.pricing-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.pricing-features li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    color: var(--text-secondary);
}

.pricing-features svg {
    color: var(--secondary-color);
    flex-shrink: 0;
    margin-top: 2px;
}

.credit-info {
    max-width: 1000px;
    margin: var(--spacing-xl) auto var(--spacing-md) auto;
    text-align: center;
}

.credit-info h3 {
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

.credit-features {
    display: grid;
    gap: var(--spacing-sm);
}

.credit-feature {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
}

.credit-feature svg {
    color: var(--primary-color);
    width: 24px;
    height: 24px;
}

.credit-feature p {
    color: var(--text-secondary);
    font-size: var(--font-size-xs);
    line-height: 1.4;
}

@media (min-width: 768px) {
    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .credit-features {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .pricing-grid {
        grid-template-columns: repeat(4, 1fr);
        max-width: 1400px;
        margin-left: auto;
        margin-right: auto;
    }

    .credit-features {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* ===================================
   FAQ Section
   =================================== */
.faq-section {
    padding: var(--spacing-3xl) 0;
    background-color: var(--bg-secondary);
}

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

.faq-item {
    background: white;
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-lg);
    font-size: var(--font-size-lg);
    font-weight: 600;
    text-align: left;
    background: white;
    transition: background-color var(--transition-base);
}

.faq-question:hover {
    background-color: var(--bg-secondary);
}

.faq-question svg {
    flex-shrink: 0;
    transition: transform var(--transition-base);
    color: var(--primary-color);
}

.faq-item.active .faq-question svg {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow);
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ===================================
   Final CTA Section
   =================================== */
.final-cta-section {
    padding: var(--spacing-3xl) 0;
    background: var(--primary-light);
    color: var(--text-primary);
}

.final-cta-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.final-cta-content h2 {
    font-size: var(--font-size-3xl);
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.final-cta-content > p {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xl);
    color: var(--text-primary);
}

.final-cta-content .cta-subtext {
    color: var(--text-secondary);
}

@media (min-width: 768px) {
    .final-cta-content h2 {
        font-size: var(--font-size-4xl);
    }
}

/* ===================================
   Testimonials & Trust Signals Section
   =================================== */
.testimonials-section {
    padding: var(--spacing-3xl) 0;
    background-color: var(--bg-secondary);
}

.testimonials-grid {
    display: grid;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-2xl);
}

.testimonial-card {
    background: var(--bg-primary);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.testimonial-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.testimonial-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.testimonial-avatar {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: var(--font-size-lg);
}

.testimonial-info h4 {
    font-size: var(--font-size-base);
    color: var(--text-primary);
    margin-bottom: 2px;
}

.testimonial-info p {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.testimonial-content {
    color: var(--text-secondary);
    line-height: 1.7;
    font-style: italic;
}

.testimonial-rating {
    display: flex;
    gap: 4px;
    margin-bottom: var(--spacing-sm);
    color: var(--warning-color);
}

.trust-stats {
    display: grid;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-2xl);
    text-align: center;
}

.trust-stat {
    padding: var(--spacing-lg);
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.trust-stat-number {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
}

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

@media (min-width: 768px) {
    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .trust-stats {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 1024px) {
    .testimonials-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ===================================
   Pricing Teaser Badge
   =================================== */
.pricing-teaser {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs) var(--spacing-md);
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(59, 130, 246, 0.1));
    border: 2px solid var(--primary-light);
    border-radius: var(--radius-full);
    color: var(--primary-color);
    font-weight: 600;
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-sm);
    animation: pulse-border 2s ease-in-out infinite;
}

@keyframes pulse-border {
    0%, 100% {
        border-color: var(--primary-light);
        transform: scale(1);
    }
    50% {
        border-color: var(--primary-color);
        transform: scale(1.02);
    }
}

.pricing-teaser-icon {
    font-size: var(--font-size-lg);
}

/* ===================================
   Footer
   =================================== */
.footer {
    background-color: var(--text-primary);
    color: white;
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer-content {
    display: grid;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-section h4 {
    color: white;
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
}

.footer-section p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
}

.footer-section ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-section a {
    color: rgba(255, 255, 255, 0.85);
    transition: color var(--transition-base);
}

.footer-section a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    font-size: var(--font-size-sm);
}

@media (min-width: 768px) {
    .footer-content {
        grid-template-columns: 2fr 1fr 1fr 1fr;
    }
}

/* ===================================
   Utility Classes
   =================================== */
.text-center {
    text-align: center;
}

.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }

.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

/* ===================================
   Animations
   =================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

.generating svg {
    animation: rotate 2s linear infinite;
}