/* ============================================
   IPMarket - IP Cá nhân Website
   Professional Design System
   ============================================ */

/* CSS Variables */
:root {
    /* Primary Colors */
    --primary-dark: #0a192f;
    --primary: #1e3a5f;
    --primary-light: #2d5a87;
    --primary-lighter: #3d7ab7;
    
    /* Accent Colors */
    --accent: #64ffda;
    --accent-dark: #4ad5b8;
    --accent-glow: rgba(100, 255, 218, 0.3);
    
    /* Secondary Colors */
    --gold: #ffd700;
    --gold-light: #ffe44d;
    
    /* Neutral Colors */
    --white: #ffffff;
    --gray-100: #f8f9fa;
    --gray-200: #e9ecef;
    --gray-300: #dee2e6;
    --gray-400: #ced4da;
    --gray-500: #adb5bd;
    --gray-600: #6c757d;
    --gray-700: #495057;
    --gray-800: #343a40;
    --gray-900: #212529;
    
    /* Status Colors */
    --success: #28a745;
    --danger: #dc3545;
    --warning: #ffc107;
    --info: #17a2b8;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-display: 'Playfair Display', Georgia, serif;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 20px;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 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 40px rgba(100, 255, 218, 0.15);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;
    
    /* Z-Index */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal: 400;
    --z-tooltip: 500;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--white);
    overflow-x: hidden;
}

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

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

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

ul, ol {
    list-style: none;
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* ============================================
   Navigation
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-fixed);
    padding: var(--space-md) 0;
    background: transparent;
    transition: var(--transition-base);
}

.navbar.scrolled {
    background: rgba(10, 25, 47, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-lg);
    padding: var(--space-sm) 0;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--white);
    font-weight: 700;
    font-size: 1.25rem;
}

.logo-img {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    object-fit: contain;
}

.logo-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--accent), var(--primary-lighter));
    border-radius: var(--radius-md);
    font-size: 1.25rem;
    color: var(--primary-dark);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.nav-link {
    color: rgba(255, 255, 255, 0.85);
    font-weight: 500;
    font-size: 0.9rem;
    position: relative;
    padding: var(--space-xs) 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: var(--transition-base);
}

.nav-link:hover {
    color: var(--accent);
}

.nav-link:hover::after {
    width: 100%;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.lang-toggle {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-sm) var(--space-md);
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    color: var(--white);
    font-size: 0.85rem;
    font-weight: 600;
    transition: var(--transition-base);
}

.lang-toggle:hover {
    background: rgba(255, 255, 255, 0.2);
}

.lang-active {
    color: var(--accent);
}

.lang-inactive {
    opacity: 0.6;
}

.lang-divider {
    opacity: 0.3;
}

.nav-toggle {
    display: none;
    color: var(--white);
    font-size: 1.5rem;
    padding: var(--space-sm);
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4xl) var(--space-xl);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
    z-index: -2;
}

.hero-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
}

.hero-bg::after {
    content: '';
    position: absolute;
    bottom: -50%;
    right: -20%;
    width: 80%;
    height: 100%;
    background: radial-gradient(ellipse, var(--accent-glow) 0%, transparent 70%);
    z-index: -1;
}

.hero-content {
    text-align: center;
    max-width: 900px;
    animation: fadeInUp 1s ease;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    background: rgba(100, 255, 218, 0.1);
    border: 1px solid rgba(100, 255, 218, 0.3);
    border-radius: var(--radius-full);
    color: var(--accent);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: var(--space-xl);
}

.hero-title {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.title-main {
    font-family: var(--font-display);
    font-size: clamp(3rem, 8vw, 5rem);
    font-weight: 700;
    color: var(--white);
    line-height: 1.1;
    background: linear-gradient(135deg, var(--white) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.title-sub {
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    font-weight: 400;
    color: var(--gray-300);
    letter-spacing: 0.02em;
}

.hero-desc {
    font-size: 1.25rem;
    color: var(--gray-400);
    max-width: 700px;
    margin: 0 auto var(--space-lg);
    line-height: 1.8;
}

.hero-quote {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 500;
    font-style: italic;
    color: var(--white);
    max-width: 850px;
    margin: 0 auto var(--space-xl);
    padding: var(--space-lg) var(--space-xl);
    background: rgba(100, 255, 218, 0.1);
    border-left: 4px solid var(--accent);
    border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
    line-height: 1.8;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    text-align: left;
}

.hero-quote em {
    color: var(--accent);
    font-style: normal;
    font-weight: 600;
}

.hero-quote strong {
    color: var(--gold);
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--space-2xl);
    flex-wrap: wrap;
    margin-bottom: var(--space-2xl);
    padding: var(--space-lg) 0;
}

.hero-stat {
    text-align: center;
    padding: var(--space-md) var(--space-xl);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    min-width: 150px;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--accent);
    line-height: 1;
    margin-bottom: var(--space-xs);
}

.stat-label {
    font-size: 0.85rem;
    color: var(--gray-400);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.hero-cta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-lg);
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: var(--transition-base);
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    color: var(--primary-dark);
    box-shadow: 0 4px 15px rgba(100, 255, 218, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(100, 255, 218, 0.4);
}

.btn-outline {
    border: 2px solid rgba(255, 255, 255, 0.3);
    color: var(--white);
}

.btn-outline:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: rgba(100, 255, 218, 0.1);
}

.hero-scroll {
    position: absolute;
    bottom: var(--space-2xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    color: var(--gray-400);
    font-size: 0.85rem;
    animation: bounce 2s infinite;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* ============================================
   Section Base Styles
   ============================================ */
.section {
    padding: var(--space-4xl) 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.section-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: var(--white);
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-md);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    color: var(--primary-dark);
    line-height: 1.3;
}

.subsection-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: var(--space-xl);
    text-align: center;
}

/* ============================================
   Section I: Definition
   ============================================ */
.section-definition {
    background: linear-gradient(180deg, var(--gray-100) 0%, var(--white) 100%);
}

.definition-main {
    max-width: 900px;
    margin: 0 auto var(--space-3xl);
}

.definition-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    box-shadow: var(--shadow-xl);
    text-align: center;
}

.definition-card.highlight {
    border: 2px solid var(--accent);
    position: relative;
}

.definition-card.highlight::before {
    content: '';
    position: absolute;
    inset: -2px;
    background: linear-gradient(135deg, var(--accent), var(--primary-lighter));
    border-radius: var(--radius-xl);
    z-index: -1;
    opacity: 0.2;
}

.definition-icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    border-radius: var(--radius-full);
    margin: 0 auto var(--space-lg);
    font-size: 2rem;
    color: var(--primary-dark);
}

.definition-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: var(--space-md);
}

.definition-text {
    font-size: 1.15rem;
    color: var(--gray-700);
    line-height: 1.8;
}

/* Six Elements */
.elements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-3xl);
}

.element-card {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-lg);
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
    position: relative;
}

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

.element-number {
    position: absolute;
    top: -10px;
    left: -10px;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary);
    color: var(--white);
    font-size: 0.85rem;
    font-weight: 700;
    border-radius: var(--radius-full);
}

.element-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: var(--radius-md);
    color: var(--white);
    font-size: 1.25rem;
    flex-shrink: 0;
}

.element-card span {
    font-weight: 500;
    color: var(--gray-800);
}

/* Distinction */
.distinction-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-xl);
}

.distinction-card {
    padding: var(--space-xl);
    border-radius: var(--radius-xl);
}

.distinction-card.not {
    background: linear-gradient(135deg, #fff5f5, #ffe3e3);
    border: 1px solid rgba(220, 53, 69, 0.2);
}

.distinction-card.is {
    background: linear-gradient(135deg, #f0fff4, #dcffe4);
    border: 1px solid rgba(40, 167, 69, 0.2);
}

.distinction-header {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.distinction-header i {
    font-size: 1.5rem;
}

.distinction-card.not .distinction-header i {
    color: var(--danger);
}

.distinction-card.is .distinction-header i {
    color: var(--success);
}

.distinction-header h4 {
    font-size: 1.25rem;
    font-weight: 700;
}

.distinction-card.not .distinction-header h4 {
    color: var(--danger);
}

.distinction-card.is .distinction-header h4 {
    color: var(--success);
}

.distinction-card ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.distinction-card ul li {
    padding-left: var(--space-lg);
    position: relative;
    color: var(--gray-700);
}

.distinction-card.not ul li::before {
    content: '✕';
    position: absolute;
    left: 0;
    color: var(--danger);
    font-weight: 700;
}

.distinction-card.is ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success);
    font-weight: 700;
}

/* ============================================
   Section II: Comparison
   ============================================ */
.section-comparison {
    background: var(--white);
}

.comparison-table-wrapper {
    overflow-x: auto;
    margin-bottom: var(--space-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 600px;
}

.comparison-table th,
.comparison-table td {
    padding: var(--space-lg);
    text-align: left;
    border-bottom: 1px solid var(--gray-200);
}

.comparison-table thead {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
}

.comparison-table th {
    color: var(--white);
    font-weight: 600;
    font-size: 1rem;
}

.comparison-table th:first-child {
    border-radius: var(--radius-lg) 0 0 0;
}

.comparison-table th:last-child {
    border-radius: 0 var(--radius-lg) 0 0;
}

.comparison-table tbody tr {
    transition: var(--transition-base);
}

.comparison-table tbody tr:hover {
    background: var(--gray-100);
}

.comparison-table td:first-child {
    font-weight: 600;
    color: var(--primary);
}

.comparison-table td:nth-child(2) {
    color: var(--gray-600);
}

.comparison-table td:nth-child(3) {
    color: var(--primary-light);
    font-weight: 500;
}

.comparison-insight {
    text-align: center;
}

.insight-cards {
    display: flex;
    justify-content: center;
    gap: var(--space-xl);
    flex-wrap: wrap;
    margin-bottom: var(--space-xl);
}

.insight-card {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-lg) var(--space-xl);
    background: var(--gray-100);
    border-radius: var(--radius-lg);
}

.insight-card i {
    font-size: 1.5rem;
    color: var(--primary);
}

.insight-card p {
    font-weight: 500;
    color: var(--gray-700);
}

.insight-conclusion {
    padding: var(--space-lg);
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: var(--radius-lg);
    display: inline-block;
}

.insight-conclusion p {
    color: var(--white);
    font-weight: 600;
    font-size: 1.1rem;
}

/* ============================================
   Section III: Market
   ============================================ */
.section-market {
    background: linear-gradient(180deg, var(--gray-100) 0%, var(--white) 100%);
}

.market-intro {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.market-quote {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary);
    font-style: italic;
}

.pain-points-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
}

.pain-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
    border: 1px solid var(--gray-200);
}

.pain-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
    border-color: var(--accent);
}

.pain-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: var(--radius-full);
    margin: 0 auto var(--space-md);
    font-size: 1.5rem;
    color: var(--white);
}

.pain-card h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--primary-dark);
    margin-bottom: var(--space-sm);
}

.pain-stat {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--accent-dark);
}

.pain-bar {
    height: 4px;
    background: var(--gray-200);
    border-radius: var(--radius-full);
    margin-top: var(--space-md);
    position: relative;
    overflow: hidden;
}

.pain-bar::after {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: var(--bar-width, 50%);
    background: linear-gradient(90deg, var(--accent-dark), var(--accent));
    border-radius: var(--radius-full);
    animation: grow-bar 1.5s ease-out;
}

@keyframes grow-bar {
    from { width: 0; }
    to { width: var(--bar-width, 50%); }
}

/* Market Infographic */
.market-infographic {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    margin: var(--space-2xl) 0;
    color: var(--white);
}

.market-infographic h4 {
    color: var(--accent);
    font-size: 1.15rem;
    margin-bottom: var(--space-xl);
    text-align: center;
}

.market-infographic h4 i {
    margin-right: var(--space-sm);
}

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

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

.infographic-label {
    min-width: 120px;
    font-size: 0.9rem;
    color: rgba(255,255,255,0.8);
}

.infographic-bar-container {
    flex: 1;
    height: 30px;
    background: rgba(255,255,255,0.1);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.infographic-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-dark), var(--accent));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding-right: var(--space-md);
    animation: grow-infographic 1.5s ease-out;
}

@keyframes grow-infographic {
    from { width: 0 !important; }
}

.infographic-value {
    font-weight: 700;
    font-size: 0.85rem;
    color: var(--primary-dark);
    white-space: nowrap;
}

.infographic-note {
    margin-top: var(--space-lg);
    font-size: 0.85rem;
    text-align: center;
    opacity: 0.8;
    font-style: italic;
}

/* ============================================
   Persona Pathways Section
   ============================================ */
.section-pathways {
    background: linear-gradient(180deg, var(--primary-dark) 0%, var(--primary) 100%);
    padding: var(--space-3xl) 0;
}

.pathways-title {
    text-align: center;
    color: var(--white);
    font-size: 1.75rem;
    margin-bottom: var(--space-2xl);
}

.pathways-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-xl);
    max-width: 900px;
    margin: 0 auto;
}

.pathway-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    text-align: center;
    transition: var(--transition-base);
    border: 3px solid transparent;
}

.pathway-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.pathway-card.owner {
    border-color: var(--accent);
}

.pathway-card.seeker {
    border-color: var(--gold);
}

.pathway-icon {
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    font-size: 2rem;
    margin: 0 auto var(--space-lg);
}

.pathway-card.owner .pathway-icon {
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    color: var(--primary-dark);
}

.pathway-card.seeker .pathway-icon {
    background: linear-gradient(135deg, var(--gold), var(--gold-light));
    color: var(--primary-dark);
}

.pathway-card h3 {
    font-size: 1.15rem;
    color: var(--primary-dark);
    margin-bottom: var(--space-md);
}

.pathway-card > p {
    color: var(--gray-600);
    font-size: 0.95rem;
    margin-bottom: var(--space-lg);
}

.pathway-card ol {
    text-align: left;
    list-style: none;
    counter-reset: pathway-counter;
    margin-bottom: var(--space-xl);
}

.pathway-card ol li {
    counter-increment: pathway-counter;
    position: relative;
    padding-left: var(--space-2xl);
    margin-bottom: var(--space-sm);
    font-size: 0.95rem;
    color: var(--gray-700);
}

.pathway-card ol li::before {
    content: counter(pathway-counter);
    position: absolute;
    left: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary);
    color: var(--white);
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: var(--radius-full);
}

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

.market-message {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.market-message p {
    margin-bottom: var(--space-md);
    color: var(--gray-700);
    font-size: 1.1rem;
}

.market-message blockquote {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary);
    font-style: italic;
    padding: var(--space-lg);
    background: var(--gray-100);
    border-left: 4px solid var(--accent);
    border-radius: var(--radius-md);
    margin: var(--space-xl) 0;
}

.market-message .highlight-text {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary);
}

/* ============================================
   Section IV: Trillion
   ============================================ */
.section-trillion {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
    color: var(--white);
}

.section-trillion .section-number {
    background: rgba(255, 255, 255, 0.2);
}

.section-trillion .section-title {
    color: var(--white);
}

.reasons-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
}

.reason-card {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    padding: var(--space-lg);
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition-base);
}

.reason-card:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateX(10px);
}

.reason-number {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent);
    color: var(--primary-dark);
    font-weight: 700;
    border-radius: var(--radius-full);
    flex-shrink: 0;
}

.reason-card p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.05rem;
    line-height: 1.6;
}

.trillion-insight {
    text-align: center;
}

.insight-box {
    display: inline-block;
    padding: var(--space-2xl);
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(100, 255, 218, 0.3);
}

.insight-box p {
    font-size: 1.15rem;
    margin-bottom: var(--space-sm);
}

.insight-box p strong {
    color: var(--accent);
}

.insight-box .emphasis {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--accent);
    margin-top: var(--space-md);
}

/* ============================================
   Section V: AI Era
   ============================================ */
.section-ai {
    background: var(--white);
}

.ai-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-xl);
}

.ai-card {
    padding: var(--space-xl);
    background: var(--gray-100);
    border-radius: var(--radius-xl);
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.ai-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent), var(--primary-lighter));
}

.ai-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
}

.ai-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-lg);
    font-size: 1.5rem;
    color: var(--white);
}

.ai-card h4 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: var(--space-md);
}

.ai-card p {
    color: var(--gray-600);
    line-height: 1.7;
}

/* ============================================
   Section VI: Untapped
   ============================================ */
.section-untapped {
    background: linear-gradient(180deg, var(--gray-100) 0%, var(--white) 100%);
}

.untapped-list {
    max-width: 700px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.untapped-item {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    padding: var(--space-lg);
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
    border-left: 4px solid var(--warning);
}

.untapped-item:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-lg);
}

.untapped-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--warning), var(--gold));
    border-radius: var(--radius-md);
    font-size: 1.25rem;
    color: var(--primary-dark);
    flex-shrink: 0;
}

.untapped-item span {
    font-weight: 500;
    color: var(--gray-700);
}

/* ============================================
   Section VII: Legal
   ============================================ */
.section-legal {
    background: var(--white);
}

.legal-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-xl);
}

.legal-card {
    padding: var(--space-xl);
    border-radius: var(--radius-xl);
}

.legal-card.protection {
    background: linear-gradient(135deg, #e8f5e9, #c8e6c9);
    border: 1px solid rgba(40, 167, 69, 0.2);
}

.legal-card.boundaries {
    background: linear-gradient(135deg, #e3f2fd, #bbdefb);
    border: 1px solid rgba(23, 162, 184, 0.2);
}

.legal-card h4 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: var(--space-lg);
}

.legal-card ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.legal-card ul li {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    color: var(--gray-700);
}

.legal-card ul li i {
    color: var(--success);
}

.boundary-items {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.boundary-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    background: rgba(255, 255, 255, 0.6);
    border-radius: var(--radius-md);
}

.boundary-item i {
    font-size: 1.25rem;
    color: var(--info);
}

/* ============================================
   Section VIII: Economic
   ============================================ */
.section-economic {
    background: linear-gradient(180deg, var(--gray-100) 0%, var(--white) 100%);
}

.economic-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-xl);
}

.economic-card {
    padding: var(--space-xl);
    border-radius: var(--radius-xl);
    background: var(--white);
    box-shadow: var(--shadow-lg);
}

.economic-card h4 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-md);
    border-bottom: 2px solid var(--gray-200);
}

.economic-card ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.economic-card ul li {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    color: var(--gray-700);
}

.economic-card .num {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary);
    color: var(--white);
    font-size: 0.85rem;
    font-weight: 700;
    border-radius: var(--radius-full);
    flex-shrink: 0;
}

.economic-card.silicon-model {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
}

.economic-card.silicon-model h4 {
    color: var(--white);
    border-bottom-color: rgba(255, 255, 255, 0.2);
}

.economic-card.silicon-model ul li {
    color: rgba(255, 255, 255, 0.9);
}

.economic-card.silicon-model ul li i {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent);
    color: var(--primary-dark);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
}

/* ============================================
   Section IX: Infrastructure
   ============================================ */
.section-infrastructure {
    background: var(--white);
}

.infra-intro {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.infra-mission {
    font-size: 1.1rem;
    color: var(--gray-600);
    margin-bottom: var(--space-sm);
}

.infra-tagline {
    font-size: 1.35rem;
    font-weight: 600;
    color: var(--primary);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.6;
}

.three-layers {
    margin-bottom: var(--space-2xl);
}

.layers-title {
    text-align: center;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary-dark);
    margin-bottom: var(--space-xl);
}

.layers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-xl);
}

.layer-card {
    text-align: center;
    padding: var(--space-xl);
    background: var(--gray-100);
    border-radius: var(--radius-xl);
    transition: var(--transition-base);
}

.layer-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    background: var(--white);
}

.layer-icon {
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    border-radius: var(--radius-full);
    margin: 0 auto var(--space-lg);
    font-size: 1.75rem;
    color: var(--primary-dark);
}

.layer-card h5 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: var(--space-sm);
}

.layer-card p {
    color: var(--gray-600);
}

.infra-note {
    text-align: center;
    padding: var(--space-xl);
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: var(--radius-xl);
    max-width: 500px;
    margin: 0 auto;
}

.infra-note p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.1rem;
}

.infra-note .emphasis {
    color: var(--white);
    font-size: 1.25rem;
    margin-top: var(--space-sm);
}

.infra-note strong {
    color: var(--accent);
}

/* ============================================
   Section X: Roadmap
   ============================================ */
.section-roadmap {
    background: linear-gradient(180deg, var(--gray-100) 0%, var(--white) 100%);
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding-left: var(--space-3xl);
}

.timeline::before {
    content: '';
    position: absolute;
    left: 15px;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(180deg, var(--accent), var(--primary));
    border-radius: var(--radius-full);
}

.timeline-item {
    position: relative;
    margin-bottom: var(--space-2xl);
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-marker {
    position: absolute;
    left: -48px;
    top: 0;
}

.timeline-marker .year {
    display: inline-block;
    padding: var(--space-sm) var(--space-md);
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    color: var(--primary-dark);
    font-weight: 700;
    font-size: 0.9rem;
    border-radius: var(--radius-md);
    white-space: nowrap;
}

.timeline-content {
    background: var(--white);
    padding: var(--space-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    margin-left: var(--space-xl);
    transition: var(--transition-base);
}

.timeline-content:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-lg);
}

.timeline-content h4 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: var(--space-sm);
}

.timeline-content p {
    color: var(--gray-600);
    line-height: 1.7;
}

/* ============================================
   Section XI: Manifesto
   ============================================ */
.section-manifesto {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
    color: var(--white);
    padding: var(--space-4xl) 0;
}

.section-manifesto .section-number {
    background: rgba(255, 255, 255, 0.2);
}

.section-manifesto .section-title {
    color: var(--white);
}

.manifesto-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.manifesto-text {
    margin-bottom: var(--space-2xl);
}

.manifesto-text p {
    font-size: 1.35rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.85);
}

.manifesto-text .highlight {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--accent);
    margin-top: var(--space-md);
}

.manifesto-final {
    padding: var(--space-2xl);
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(100, 255, 218, 0.3);
    margin-bottom: var(--space-2xl);
}

.manifesto-final p {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
}

.manifesto-final .emphasis {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent);
    margin-top: var(--space-md);
}

.manifesto-cta {
    padding-top: var(--space-xl);
    text-align: center;
}

.btn-accent {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-2xl);
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    color: var(--primary-dark);
    font-size: 1.1rem;
    font-weight: 700;
    border-radius: var(--radius-full);
    box-shadow: 0 4px 20px rgba(100, 255, 218, 0.4);
    transition: var(--transition-base);
}

.btn-accent:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(100, 255, 218, 0.5);
}

.btn-accent i {
    animation: heartbeat 1.5s infinite;
}

@keyframes heartbeat {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.2); }
}

/* Nav Support Link Highlight */
.nav-link.support-link {
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    color: var(--primary-dark) !important;
    padding: var(--space-sm) var(--space-md) !important;
    border-radius: var(--radius-full);
    font-weight: 600;
}

.nav-link.support-link:hover {
    transform: scale(1.05);
}

/* ============================================
   Support Section
   ============================================ */
.section-support {
    background: linear-gradient(180deg, #fef9e7 0%, #fdf6e3 100%);
    padding: var(--space-4xl) 0;
}

.section-support .section-number {
    background: linear-gradient(135deg, #8B4513, #A0522D);
}

.support-options {
    display: flex;
    justify-content: center;
    gap: var(--space-lg);
    flex-wrap: wrap;
    margin-bottom: var(--space-3xl);
}

.support-card {
    width: 120px;
    padding: var(--space-xl) var(--space-lg);
    background: var(--white);
    border: 3px solid #c9a86c;
    border-radius: var(--radius-lg);
    text-align: center;
    cursor: pointer;
    transition: var(--transition-base);
}

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

.support-card.active {
    background: #8B4513;
    border-color: #8B4513;
}

.support-card.active .support-amount,
.support-card.active .support-label {
    color: var(--white);
}

.support-amount {
    font-size: 2rem;
    font-weight: 700;
    color: #8B4513;
    margin-bottom: var(--space-xs);
}

.support-label {
    font-size: 0.9rem;
    color: #8B4513;
    font-weight: 500;
}

.contact-author {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    text-align: center;
    margin-bottom: var(--space-2xl);
    box-shadow: var(--shadow-md);
    border: 1px solid #e0d5c5;
}

.contact-author h3 {
    color: #5d6b4b;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
}

.contact-author h3 i {
    margin-right: var(--space-sm);
}

.author-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: var(--space-xl);
}

.contact-buttons {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.contact-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition-base);
}

.contact-btn.phone {
    background: #28a745;
    color: var(--white);
}

.contact-btn.phone:hover {
    background: #218838;
}

.contact-btn.zalo {
    background: var(--white);
    border: 2px solid #0068ff;
    color: #0068ff;
}

.contact-btn.zalo:hover {
    background: #0068ff;
    color: var(--white);
}

.contact-btn.zalo .zalo-badge {
    background: #0068ff;
    color: var(--white);
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
}

.contact-btn.zalo:hover .zalo-badge {
    background: var(--white);
    color: #0068ff;
}

.contact-btn.email {
    background: #8B4513;
    color: var(--white);
}

.contact-btn.email:hover {
    background: #6b3410;
}

.payment-section {
    display: flex;
    justify-content: center;
    gap: var(--space-3xl);
    flex-wrap: wrap;
}

.payment-qr {
    text-align: center;
    background: var(--white);
    padding: var(--space-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    max-width: 320px;
}

.payment-qr img {
    max-width: 280px;
    height: auto;
    border-radius: var(--radius-md);
    margin-bottom: var(--space-md);
}

.payment-qr.payip img {
    max-width: 200px;
    padding: var(--space-md);
}

.bank-info {
    text-align: center;
}

.bank-info .bank-name {
    font-size: 1.1rem;
    font-weight: 700;
    color: #0a7d3e;
    margin-bottom: var(--space-xs);
}

.bank-info .account-name {
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-700);
}

.bank-info .account-number {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--gray-800);
    font-family: monospace;
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background: var(--primary-dark);
    padding: var(--space-3xl) 0 var(--space-xl);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-xl);
    padding-bottom: var(--space-xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: var(--space-xl);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--white);
    font-size: 1.5rem;
    font-weight: 700;
}

.footer-logo i {
    color: var(--accent);
}

.footer-logo-img {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    object-fit: contain;
}

.footer-tagline {
    color: var(--gray-400);
    margin-top: var(--space-sm);
}

.footer-links {
    display: flex;
    gap: var(--space-xl);
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--gray-400);
    transition: var(--transition-base);
}

.footer-links a:hover {
    color: var(--accent);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.copyright {
    color: var(--gray-400);
    font-size: 0.9rem;
}

.copyright strong {
    color: var(--accent);
}

.footer-note {
    color: var(--accent);
    font-size: 0.9rem;
    font-weight: 500;
}

/* ============================================
   Back to Top Button
   ============================================ */
.back-to-top {
    position: fixed;
    bottom: var(--space-xl);
    right: var(--space-xl);
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: var(--white);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-base);
    z-index: var(--z-fixed);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-4px);
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    color: var(--primary-dark);
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 992px) {
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 300px;
        height: 100vh;
        background: var(--primary-dark);
        flex-direction: column;
        align-items: flex-start;
        padding: var(--space-4xl) var(--space-xl);
        gap: var(--space-lg);
        transition: var(--transition-base);
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-toggle {
        display: block;
    }
    
    .timeline {
        padding-left: var(--space-xl);
    }
    
    .timeline::before {
        left: 5px;
    }
    
    .timeline-marker {
        position: relative;
        left: 0;
        margin-bottom: var(--space-md);
    }
    
    .timeline-content {
        margin-left: 0;
    }
    
    .contact-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .contact-btn {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .hero {
        padding: var(--space-4xl) var(--space-md);
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .section {
        padding: var(--space-3xl) 0;
    }
    
    .elements-grid {
        grid-template-columns: 1fr;
    }
    
    .comparison-table th,
    .comparison-table td {
        padding: var(--space-md);
        font-size: 0.9rem;
    }
    
    .pain-points-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-links {
        justify-content: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-md);
    }
    
    .nav-container {
        padding: 0 var(--space-md);
    }
    
    .pain-points-grid {
        grid-template-columns: 1fr;
    }
    
    .economic-grid {
        grid-template-columns: 1fr;
    }
    
    .layers-grid {
        grid-template-columns: 1fr;
    }
    
    .manifesto-text p {
        font-size: 1.1rem;
    }
    
    .manifesto-text .highlight {
        font-size: 1.35rem;
    }
    
    .manifesto-final p {
        font-size: 1rem;
    }
    
    .manifesto-final .emphasis {
        font-size: 1.25rem;
    }
    
    .support-options {
        gap: var(--space-md);
    }
    
    .support-card {
        width: 100px;
        padding: var(--space-md);
    }
    
    .support-amount {
        font-size: 1.5rem;
    }
    
    .payment-section {
        gap: var(--space-xl);
    }
    
    .payment-qr {
        padding: var(--space-md);
    }
    
    .payment-qr img {
        max-width: 220px;
    }
}

/* ============================================
   Animation Classes
   ============================================ */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.slide-in-left {
    opacity: 0;
    transform: translateX(-30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.slide-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.slide-in-right {
    opacity: 0;
    transform: translateX(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.slide-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

/* Stagger animation for cards */
.stagger-item {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.stagger-item.visible {
    opacity: 1;
    transform: translateY(0);
}

.stagger-item:nth-child(1) { transition-delay: 0.1s; }
.stagger-item:nth-child(2) { transition-delay: 0.2s; }
.stagger-item:nth-child(3) { transition-delay: 0.3s; }
.stagger-item:nth-child(4) { transition-delay: 0.4s; }
.stagger-item:nth-child(5) { transition-delay: 0.5s; }
.stagger-item:nth-child(6) { transition-delay: 0.6s; }

/* ============================================
   Urgency Box
   ============================================ */
.urgency-box {
    background: linear-gradient(135deg, #dc3545, #c82333);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    text-align: center;
    margin-bottom: var(--space-2xl);
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.urgency-box::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: repeating-linear-gradient(
        45deg,
        transparent,
        transparent 10px,
        rgba(255,255,255,0.05) 10px,
        rgba(255,255,255,0.05) 20px
    );
    animation: urgency-stripes 20s linear infinite;
}

@keyframes urgency-stripes {
    0% { transform: translateX(0); }
    100% { transform: translateX(28px); }
}

.urgency-stat {
    position: relative;
    z-index: 1;
    margin-bottom: var(--space-md);
}

.urgency-number {
    display: block;
    font-size: 4rem;
    font-weight: 800;
    line-height: 1;
    margin-bottom: var(--space-sm);
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.urgency-text {
    font-size: 1.25rem;
    opacity: 0.95;
}

.urgency-message {
    position: relative;
    z-index: 1;
    font-size: 1.15rem;
    font-weight: 600;
    background: rgba(0,0,0,0.2);
    padding: var(--space-md) var(--space-xl);
    border-radius: var(--radius-lg);
    display: inline-block;
}

/* Formula Note */
.formula-note {
    margin-top: var(--space-md);
    font-size: 0.85rem;
    font-style: italic;
    opacity: 0.8;
    color: rgba(255,255,255,0.7);
}

/* ============================================
   AI Metadata Boxes
   ============================================ */
.ai-metadata {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-bottom: var(--space-xl);
    padding: var(--space-md);
    background: rgba(100, 255, 218, 0.1);
    border-radius: var(--radius-md);
    border: 1px dashed var(--accent);
}

.metadata-tag {
    font-size: 0.75rem;
    color: var(--gray-600);
    background: var(--white);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    font-family: monospace;
}

/* ============================================
   Section: Legal Framework
   ============================================ */
.section-legal {
    background: linear-gradient(180deg, var(--white) 0%, #f0f8ff 100%);
}

.legal-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
}

.legal-card {
    background: var(--white);
    padding: var(--space-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
    transition: var(--transition-base);
}

.legal-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.legal-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: var(--white);
    border-radius: var(--radius-lg);
    font-size: 1.25rem;
    margin-bottom: var(--space-md);
}

.legal-card h4 {
    color: var(--primary-dark);
    font-size: 1.1rem;
    margin-bottom: var(--space-sm);
}

.legal-card p {
    color: var(--gray-600);
    font-size: 0.95rem;
    line-height: 1.7;
}

.legal-boundary {
    background: linear-gradient(135deg, #fff3cd, #ffeeba);
    padding: var(--space-xl);
    border-radius: var(--radius-xl);
    border: 1px solid #ffc107;
}

.legal-boundary h4 {
    color: #856404;
    font-size: 1.1rem;
    margin-bottom: var(--space-lg);
}

.legal-boundary h4 i {
    margin-right: var(--space-sm);
}

.boundary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-md);
}

.boundary-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--white);
    border-radius: var(--radius-md);
}

.boundary-item.good i {
    color: var(--success);
    font-size: 1.25rem;
}

.boundary-item.bad i {
    color: var(--danger);
    font-size: 1.25rem;
}

/* ============================================
   Section: Valuation Framework
   ============================================ */
.section-valuation {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
    color: var(--white);
}

.section-valuation .section-number {
    background: rgba(255, 255, 255, 0.2);
}

.section-valuation .section-title {
    color: var(--white);
}

.section-valuation .ai-metadata {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(100, 255, 218, 0.5);
}

.section-valuation .metadata-tag {
    background: rgba(255, 255, 255, 0.2);
    color: rgba(255, 255, 255, 0.8);
}

.formula-box {
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid var(--accent);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.formula-box h4 {
    color: var(--accent);
    margin-bottom: var(--space-md);
}

.formula {
    background: rgba(0, 0, 0, 0.3);
    padding: var(--space-lg);
    border-radius: var(--radius-md);
}

.formula-text {
    font-family: monospace;
    font-size: 1.1rem;
    color: var(--accent);
}

.formula-note {
    margin-top: var(--space-md);
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
    font-style: italic;
}

.formula-note i {
    margin-right: var(--space-xs);
    color: var(--accent);
}

.trillion-formula {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.trillion-formula .trillion-item {
    text-align: center;
    min-width: 80px;
}

.trillion-formula .trillion-number {
    display: block;
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--white);
}

.trillion-formula .trillion-item.result .trillion-number {
    color: var(--accent);
    font-size: 2.5rem;
}

.trillion-formula .trillion-label {
    display: block;
    font-size: 0.8rem;
    opacity: 0.8;
    margin-top: var(--space-xs);
}

.trillion-operator {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--accent);
}

.trillion-expansion {
    background: rgba(100, 255, 218, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    text-align: center;
    margin-top: var(--space-lg);
    border: 1px dashed var(--accent);
}

.expansion-result {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    margin-top: var(--space-md);
}

.expansion-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--accent);
}

.expansion-label {
    font-size: 0.95rem;
    opacity: 0.9;
}

.breakdown-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-lg);
}

.breakdown-card {
    background: rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    text-align: center;
    transition: var(--transition-base);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.breakdown-card:hover {
    transform: translateY(-3px);
    border-color: var(--accent);
}

.breakdown-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto var(--space-md);
    background: rgba(100, 255, 218, 0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.breakdown-icon i {
    font-size: 1.5rem;
    color: var(--accent);
}

.breakdown-card h5 {
    color: var(--white);
    font-size: 1.1rem;
    margin-bottom: var(--space-md);
}

.breakdown-stat {
    margin-bottom: var(--space-md);
}

.breakdown-stat .stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: var(--accent);
}

.breakdown-stat .stat-desc {
    display: block;
    font-size: 0.85rem;
    opacity: 0.7;
    margin-top: var(--space-xs);
}

.breakdown-detail {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
    text-align: left;
    line-height: 1.5;
}

.valuation-example {
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    margin-bottom: var(--space-2xl);
}

.valuation-example h4 {
    color: var(--accent);
    margin-bottom: var(--space-xl);
    font-size: 1.1rem;
}

.valuation-example h4 i {
    margin-right: var(--space-sm);
}

.calculation-grid {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.calc-item {
    text-align: center;
    padding: var(--space-lg);
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    min-width: 150px;
}

.calc-item.result {
    background: var(--accent);
    color: var(--primary-dark);
}

.calc-label {
    display: block;
    font-size: 0.85rem;
    margin-bottom: var(--space-sm);
    opacity: 0.8;
}

.calc-item.result .calc-label {
    color: var(--primary-dark);
    opacity: 1;
}

.calc-value {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
}

.calc-value.highlight {
    font-size: 1.75rem;
    color: var(--primary-dark);
}

.calc-source {
    display: block;
    font-size: 0.75rem;
    margin-top: var(--space-xs);
    opacity: 0.7;
}

.calc-item.result .calc-source {
    color: var(--primary-dark);
    font-weight: 600;
}

.calc-operator {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent);
}

.trillion-calculation {
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    margin-bottom: var(--space-2xl);
}

.trillion-calculation h4 {
    color: var(--accent);
    margin-bottom: var(--space-xl);
}

.trillion-calculation h4 i {
    margin-right: var(--space-sm);
}

.trillion-items {
    display: flex;
    justify-content: center;
    gap: var(--space-2xl);
    flex-wrap: wrap;
}

.trillion-item {
    text-align: center;
}

.trillion-number {
    display: block;
    font-size: 3rem;
    font-weight: 800;
    color: var(--white);
}

.trillion-item.result .trillion-number {
    color: var(--accent);
    font-size: 4rem;
}

.trillion-label {
    display: block;
    font-size: 0.95rem;
    opacity: 0.8;
    margin-top: var(--space-sm);
}

.pricing-tiers {
    margin-top: var(--space-2xl);
}

.pricing-tiers h4 {
    color: var(--accent);
    margin-bottom: var(--space-xl);
    text-align: center;
}

.pricing-tiers h4 i {
    margin-right: var(--space-sm);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--space-lg);
}

.pricing-card {
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: var(--transition-base);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.pricing-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent);
}

.pricing-card.featured {
    border-color: var(--accent);
    transform: scale(1.05);
}

.pricing-card.featured:hover {
    transform: scale(1.08);
}

.pricing-header {
    padding: var(--space-lg);
    text-align: center;
}

.pricing-header.free {
    background: var(--gray-600);
}

.pricing-header.starter {
    background: #17a2b8;
}

.pricing-header.pro {
    background: var(--accent);
}

.pricing-header.enterprise {
    background: #6f42c1;
}

.pricing-tier {
    display: block;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--space-xs);
}

.pricing-header.pro .pricing-tier,
.pricing-header.pro .pricing-price {
    color: var(--primary-dark);
}

.pricing-price {
    font-size: 2rem;
    font-weight: 700;
}

.pricing-card ul {
    padding: var(--space-lg);
    list-style: none;
}

.pricing-card ul li {
    padding: var(--space-sm) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.9rem;
}

.pricing-card ul li:last-child {
    border-bottom: none;
}

/* ============================================
   Section: Case Studies
   ============================================ */
.section-cases {
    background: linear-gradient(180deg, var(--gray-100) 0%, var(--white) 100%);
}

/* Flagship Case Study */
.flagship-case {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    margin-bottom: var(--space-2xl);
    position: relative;
    overflow: hidden;
}

.flagship-case::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(100, 255, 218, 0.15), transparent);
    border-radius: 50%;
}

.flagship-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    background: var(--gold);
    color: var(--primary-dark);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: var(--space-xl);
}

.flagship-content {
    display: flex;
    gap: var(--space-xl);
    align-items: flex-start;
    position: relative;
    z-index: 1;
}

.flagship-avatar {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent);
    color: var(--primary-dark);
    border-radius: var(--radius-full);
    font-size: 2.5rem;
    flex-shrink: 0;
}

.flagship-story h4 {
    color: var(--accent);
    font-size: 1.25rem;
    margin-bottom: var(--space-md);
}

.flagship-story > p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.05rem;
    line-height: 1.7;
    margin-bottom: var(--space-xl);
}

.flagship-story strong {
    color: var(--accent);
}

.flagship-formula {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    flex-wrap: wrap;
    padding: var(--space-lg);
    background: rgba(0, 0, 0, 0.2);
    border-radius: var(--radius-lg);
}

.flagship-formula span {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
}

.flagship-formula i {
    color: var(--accent);
}

.flagship-revenue {
    background: var(--accent);
    color: var(--primary-dark) !important;
    font-weight: 700;
    font-size: 1.25rem !important;
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
}

@media (max-width: 768px) {
    .flagship-content {
        flex-direction: column;
        text-align: center;
    }
    
    .flagship-avatar {
        margin: 0 auto;
    }
    
    .flagship-formula {
        justify-content: center;
    }
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-xl);
    margin-bottom: var(--space-2xl);
}

.case-card {
    display: flex;
    gap: var(--space-lg);
    background: var(--white);
    padding: var(--space-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
    transition: var(--transition-base);
}

.case-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent);
}

.case-avatar {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: var(--white);
    border-radius: var(--radius-full);
    font-size: 1.5rem;
    flex-shrink: 0;
}

.case-content h4 {
    color: var(--primary-dark);
    font-size: 1.05rem;
    margin-bottom: var(--space-sm);
}

.case-story {
    color: var(--gray-600);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: var(--space-md);
}

.case-stats {
    display: flex;
    align-items: baseline;
    gap: var(--space-xs);
}

.case-revenue {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--success);
}

.case-period {
    color: var(--gray-500);
    font-size: 0.9rem;
}

.cases-insight {
    text-align: center;
    padding: var(--space-xl);
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: var(--radius-xl);
    color: var(--white);
}

.cases-insight p {
    font-size: 1.15rem;
}

.cases-insight strong {
    color: var(--accent);
}

/* ============================================
   Section: How-To Guide
   ============================================ */
.section-howto {
    background: linear-gradient(135deg, #0a192f 0%, #1e3a5f 100%);
    color: var(--white);
}

.section-howto .section-number {
    background: rgba(255, 255, 255, 0.2);
}

.section-howto .section-title {
    color: var(--white);
}

.section-howto .ai-metadata {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(100, 255, 218, 0.5);
}

.section-howto .metadata-tag {
    background: rgba(255, 255, 255, 0.2);
    color: rgba(255, 255, 255, 0.8);
}

.steps-container {
    display: flex;
    align-items: stretch;
    justify-content: center;
    gap: var(--space-lg);
    flex-wrap: wrap;
    margin-bottom: var(--space-2xl);
}

.step-card {
    flex: 1;
    min-width: 280px;
    max-width: 350px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
}

.step-number {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent);
    color: var(--primary-dark);
    font-size: 1.5rem;
    font-weight: 700;
    border-radius: var(--radius-full);
}

.step-content {
    margin-top: var(--space-lg);
}

.step-content h4 {
    color: var(--accent);
    font-size: 1.1rem;
    margin-bottom: var(--space-lg);
    text-align: center;
}

.step-content ul {
    list-style: none;
}

.step-content ul li {
    position: relative;
    padding-left: var(--space-xl);
    margin-bottom: var(--space-md);
    font-size: 0.95rem;
    line-height: 1.5;
}

.step-content ul li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: 700;
}

.step-arrow {
    display: flex;
    align-items: center;
    color: var(--accent);
    font-size: 1.5rem;
}

.cta-register {
    text-align: center;
}

.btn-large {
    padding: var(--space-lg) var(--space-2xl);
    font-size: 1.15rem;
}

.cta-note {
    margin-top: var(--space-md);
    font-size: 0.9rem;
    opacity: 0.8;
}

/* ============================================
   Section: Verification
   ============================================ */
.section-verification {
    background: var(--white);
}

.verification-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-lg);
}

.verification-card {
    background: var(--gray-100);
    padding: var(--space-xl);
    border-radius: var(--radius-xl);
    transition: var(--transition-base);
}

.verification-card:hover {
    background: var(--white);
    box-shadow: var(--shadow-lg);
}

.verification-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: var(--white);
    border-radius: var(--radius-lg);
    font-size: 1.25rem;
    margin-bottom: var(--space-md);
}

.verification-card h4 {
    color: var(--primary-dark);
    font-size: 1.05rem;
    margin-bottom: var(--space-md);
}

.verification-card ul {
    list-style: none;
}

.verification-card ul li {
    position: relative;
    padding-left: var(--space-lg);
    margin-bottom: var(--space-sm);
    font-size: 0.9rem;
    color: var(--gray-600);
}

.verification-card ul li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: 700;
}

/* ============================================
   Section: Economic Flow
   ============================================ */
.section-flow {
    background: linear-gradient(180deg, var(--gray-100) 0%, var(--white) 100%);
}

.flow-diagram {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--space-md);
    padding: var(--space-2xl);
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    margin-bottom: var(--space-2xl);
}

.flow-step {
    text-align: center;
    padding: var(--space-lg);
    min-width: 120px;
}

.flow-step.highlight {
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    border-radius: var(--radius-xl);
    color: var(--primary-dark);
}

.flow-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: var(--white);
    border-radius: var(--radius-full);
    font-size: 1.25rem;
    margin: 0 auto var(--space-sm);
}

.flow-step.highlight .flow-icon {
    background: var(--primary-dark);
}

.flow-label {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--primary-dark);
    margin-bottom: var(--space-xs);
}

.flow-step.highlight .flow-label {
    color: var(--primary-dark);
}

.flow-desc {
    font-size: 0.8rem;
    color: var(--gray-500);
}

.flow-step.highlight .flow-desc {
    color: var(--primary);
    font-weight: 600;
}

.flow-arrow {
    color: var(--accent);
    font-size: 1.5rem;
}

.revenue-split {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    color: var(--white);
    text-align: center;
}

.revenue-split h4 {
    color: var(--accent);
    margin-bottom: var(--space-xl);
}

.revenue-split h4 i {
    margin-right: var(--space-sm);
}

.split-chart {
    display: flex;
    justify-content: center;
    gap: var(--space-2xl);
    flex-wrap: wrap;
}

.split-item {
    text-align: center;
}

.split-percentage {
    display: block;
    font-size: 3rem;
    font-weight: 800;
}

.split-item.owner .split-percentage {
    color: var(--accent);
}

.split-item.platform .split-percentage {
    color: #ffd700;
}

.split-item.affiliate .split-percentage {
    color: #ff6b6b;
}

.split-label {
    font-size: 0.9rem;
    opacity: 0.8;
}

/* ============================================
   Section: Future Vision (formerly Marketplace)
   ============================================ */
.section-future {
    background: linear-gradient(180deg, #f8f9fa 0%, #e9ecef 100%);
}

.future-intro {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.future-intro p {
    font-size: 1.1rem;
    color: var(--gray-600);
    max-width: 700px;
    margin: 0 auto;
}

.future-examples h4 {
    text-align: center;
    color: var(--primary);
    font-size: 1.15rem;
    margin-bottom: var(--space-xl);
}

.future-examples h4 i {
    margin-right: var(--space-sm);
    color: var(--accent-dark);
}

.ip-desc {
    text-align: center;
    font-size: 0.9rem;
    color: var(--gray-600);
    padding: 0 var(--space-md);
    margin-bottom: var(--space-md);
    line-height: 1.5;
}

.ip-potential {
    text-align: center;
    padding: var(--space-md);
    background: var(--gray-100);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    margin: 0 calc(var(--space-md) * -1) calc(var(--space-md) * -1);
}

.potential-label {
    font-size: 0.8rem;
    color: var(--gray-500);
}

.potential-value {
    display: block;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--primary);
    margin-top: var(--space-xs);
}

.ip-badge.potential {
    background: #e8f5e9;
    color: #2e7d32;
}

.future-note {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    background: linear-gradient(135deg, #fff3cd, #ffeeba);
    border: 1px solid #ffc107;
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    margin-top: var(--space-2xl);
}

.future-note i {
    color: #856404;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.future-note p {
    color: #856404;
    font-size: 0.95rem;
    line-height: 1.6;
}

/* How-To Note */
.howto-note {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    background: rgba(100, 255, 218, 0.1);
    border: 1px solid var(--accent);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    margin-top: var(--space-xl);
}

.howto-note i {
    color: var(--accent);
    font-size: 1.25rem;
    flex-shrink: 0;
}

.howto-note p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ============================================
   Section: Marketplace Demo
   ============================================ */
.section-marketplace {
    background: linear-gradient(180deg, #f8f9fa 0%, #e9ecef 100%);
}

.marketplace-intro {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.marketplace-intro p {
    font-size: 1.1rem;
    color: var(--gray-600);
}

.marketplace-intro strong {
    color: var(--primary);
}

.ip-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-xl);
    margin-bottom: var(--space-2xl);
}

.ip-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
    border: 2px solid transparent;
}

.ip-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-light);
}

.ip-card.featured {
    border-color: var(--accent);
}

.ip-card.featured:hover {
    border-color: var(--accent);
}

.ip-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md);
    background: var(--gray-100);
}

.ip-category {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--primary);
    background: var(--white);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-full);
}

.ip-badge {
    font-size: 0.7rem;
    font-weight: 600;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.ip-badge.verified {
    background: #d4edda;
    color: #155724;
}

.ip-badge.top-seller {
    background: #fff3cd;
    color: #856404;
}

.ip-badge.new {
    background: #cce5ff;
    color: #004085;
}

.ip-card-avatar {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: var(--white);
    border-radius: var(--radius-full);
    font-size: 2rem;
    margin: var(--space-lg) auto;
}

.ip-title {
    text-align: center;
    font-size: 1rem;
    font-weight: 600;
    color: var(--primary-dark);
    padding: 0 var(--space-md);
    margin-bottom: var(--space-sm);
}

.ip-author {
    text-align: center;
    font-size: 0.85rem;
    color: var(--gray-500);
    margin-bottom: var(--space-md);
}

.ip-stats-row {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--gray-100);
}

.ip-stat {
    font-size: 0.8rem;
    color: var(--gray-600);
}

.ip-stat i {
    color: var(--primary);
    margin-right: var(--space-xs);
}

.ip-price {
    text-align: center;
    padding: var(--space-md);
}

.price-label {
    font-size: 0.8rem;
    color: var(--gray-500);
}

.price-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    margin-left: var(--space-xs);
}

.ip-card .btn-sm {
    display: block;
    margin: 0 var(--space-md) var(--space-md);
    padding: var(--space-sm) var(--space-md);
    text-align: center;
    font-size: 0.9rem;
}

.marketplace-cta {
    text-align: center;
}

/* ============================================
   Section: Data Sources
   ============================================ */
.section-sources {
    background: var(--white);
}

.sources-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-lg);
}

.source-card {
    background: var(--gray-100);
    padding: var(--space-xl);
    border-radius: var(--radius-xl);
    text-align: center;
    transition: var(--transition-base);
}

.source-card:hover {
    background: var(--white);
    box-shadow: var(--shadow-lg);
}

.source-logo {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: var(--white);
    border-radius: var(--radius-full);
    font-size: 1.25rem;
    margin: 0 auto var(--space-md);
}

.source-card h4 {
    color: var(--primary-dark);
    font-size: 1.1rem;
    margin-bottom: var(--space-sm);
}

.source-card p {
    color: var(--gray-600);
    font-size: 0.85rem;
    margin-bottom: var(--space-md);
    line-height: 1.5;
}

.source-card a {
    color: var(--primary);
    font-size: 0.85rem;
    font-weight: 600;
    text-decoration: underline;
}

.source-card a:hover {
    color: var(--accent-dark);
}

/* ============================================
   New Sections: Potential, AI Era, Barriers, Solutions
   ============================================ */

/* Section: Potential */
.section-potential {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
    color: var(--white);
}

.potential-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-3xl);
}

.potential-card {
    background: rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    position: relative;
    transition: var(--transition-base);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.potential-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.12);
    border-color: var(--accent);
}

.potential-number {
    position: absolute;
    top: -10px;
    left: var(--space-lg);
    background: var(--accent);
    color: var(--primary-dark);
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
}

.potential-icon {
    font-size: 2rem;
    color: var(--accent);
    margin-bottom: var(--space-md);
}

.potential-card h4 {
    color: var(--white);
    font-size: 1.1rem;
    margin-bottom: var(--space-sm);
}

.potential-card p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Scale Illustration */
.scale-illustration {
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
}

.scale-grid {
    display: grid;
    gap: var(--space-lg);
    margin: var(--space-xl) 0;
}

.scale-item {
    display: grid;
    grid-template-columns: 50px 1fr auto;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
}

.scale-icon {
    width: 50px;
    height: 50px;
    background: rgba(100, 255, 218, 0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    font-size: 1.2rem;
}

.scale-info h4 {
    color: var(--white);
    font-size: 1rem;
    margin-bottom: var(--space-xs);
}

.scale-bar {
    height: 8px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    position: relative;
    overflow: hidden;
    margin-bottom: var(--space-xs);
}

.scale-bar::after {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: var(--width, 50%);
    max-width: 100%;
    background: linear-gradient(90deg, var(--accent), var(--accent-dark));
    border-radius: var(--radius-full);
}

.scale-number {
    font-size: 0.85rem;
    color: var(--accent);
    font-weight: 600;
}

.scale-source {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.5);
}

.scale-note {
    text-align: center;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    margin-top: var(--space-lg);
}

.scale-note i {
    color: var(--accent);
    margin-right: var(--space-xs);
}

/* Section: AI Era */
.section-ai {
    background: var(--gray-100);
}

.ai-dual-role {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-xl);
    margin-bottom: var(--space-3xl);
}

.ai-role-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    box-shadow: var(--shadow-md);
    border: 2px solid transparent;
    transition: var(--transition-base);
}

.ai-role-card:hover {
    box-shadow: var(--shadow-xl);
}

.ai-role-card.elevate {
    border-color: var(--accent-dark);
}

.ai-role-card.connect {
    border-color: var(--primary);
}

.role-header {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.role-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.ai-role-card.elevate .role-icon {
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    color: var(--primary-dark);
}

.ai-role-card.connect .role-icon {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: var(--white);
}

.role-header h3 {
    color: var(--primary-dark);
    font-size: 1.2rem;
}

.role-point {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.role-point > i {
    color: var(--success);
    font-size: 1.1rem;
    margin-top: 3px;
    flex-shrink: 0;
}

.role-point h4 {
    color: var(--primary-dark);
    font-size: 1rem;
    margin-bottom: var(--space-xs);
}

.role-point p {
    color: var(--gray-600);
    font-size: 0.9rem;
    line-height: 1.5;
}

/* AI Flow Diagram */
.ai-flow-diagram {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    box-shadow: var(--shadow-md);
}

.flow-steps {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--space-md);
    margin: var(--space-xl) 0;
}

.flow-step {
    text-align: center;
    padding: var(--space-lg);
    min-width: 120px;
}

.flow-step .flow-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto var(--space-sm);
    background: var(--gray-100);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--primary);
}

.flow-step.ai-step .flow-icon {
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    color: var(--primary-dark);
}

.flow-step .flow-label {
    font-weight: 600;
    color: var(--primary-dark);
    font-size: 0.95rem;
}

.flow-step .flow-desc {
    font-size: 0.8rem;
    color: var(--gray-500);
}

.flow-arrow {
    color: var(--accent-dark);
    font-size: 1.5rem;
}

.flow-note {
    text-align: center;
    background: var(--gray-100);
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    color: var(--primary-dark);
}

/* Section: Barriers */
.section-barriers {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
    color: var(--white);
}

.barriers-visual {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.barrier-stat {
    display: inline-block;
    background: rgba(255, 255, 255, 0.1);
    padding: var(--space-xl) var(--space-3xl);
    border-radius: var(--radius-xl);
    border: 2px solid var(--accent);
}

.barrier-stat .barrier-number {
    display: block;
    font-size: 4rem;
    font-weight: 800;
    color: var(--accent);
    line-height: 1;
}

.barrier-stat .barrier-text {
    display: block;
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.9);
    margin-top: var(--space-sm);
}

.barriers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
}

.barrier-card {
    background: rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    position: relative;
    transition: var(--transition-base);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.barrier-card:hover {
    transform: translateY(-3px);
    background: rgba(255, 255, 255, 0.12);
}

.barrier-card .barrier-icon {
    font-size: 2rem;
    color: var(--warning);
    margin-bottom: var(--space-md);
}

.barrier-card .barrier-number {
    position: absolute;
    top: var(--space-lg);
    right: var(--space-lg);
    font-size: 3rem;
    font-weight: 800;
    color: rgba(255, 255, 255, 0.1);
}

.barrier-card h4 {
    color: var(--white);
    font-size: 1.1rem;
    margin-bottom: var(--space-sm);
}

.barrier-card p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
    line-height: 1.6;
}

.barrier-conclusion {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    background: rgba(100, 255, 218, 0.1);
    border: 1px solid var(--accent);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
}

.barrier-conclusion > i {
    font-size: 2rem;
    color: var(--accent);
}

.barrier-conclusion p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1rem;
    line-height: 1.5;
}

/* Section: Solutions */
.section-solutions {
    background: var(--white);
}

.solutions-intro {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--space-2xl);
}

.solutions-intro p {
    font-size: 1.1rem;
    color: var(--gray-600);
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-3xl);
}

.solution-card {
    background: var(--gray-100);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    transition: var(--transition-base);
    border: 2px solid transparent;
}

.solution-card:hover {
    background: var(--white);
    border-color: var(--accent-dark);
    box-shadow: var(--shadow-lg);
}

.solution-header {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.solution-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: var(--white);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.solution-card .solution-number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--gray-300);
}

.solution-card h4 {
    color: var(--primary-dark);
    font-size: 1.1rem;
    margin-bottom: var(--space-sm);
}

.solution-card > p {
    color: var(--gray-600);
    font-size: 0.9rem;
    margin-bottom: var(--space-md);
}

.solution-card ul {
    list-style: none;
    padding: 0;
}

.solution-card ul li {
    padding: var(--space-xs) 0;
    color: var(--gray-700);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.solution-card ul li::before {
    content: "•";
    color: var(--accent-dark);
    font-weight: bold;
}

/* Roadmap */
.roadmap-section {
    background: var(--gray-100);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    margin-bottom: var(--space-2xl);
}

.roadmap-timeline {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-xl);
}

.roadmap-item {
    background: var(--white);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    position: relative;
    border-left: 4px solid var(--accent-dark);
}

.roadmap-phase {
    display: inline-block;
    background: var(--accent-dark);
    color: var(--primary-dark);
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
}

.roadmap-item h4 {
    color: var(--primary-dark);
    font-size: 1.1rem;
    margin-bottom: var(--space-sm);
}

.roadmap-item p {
    color: var(--gray-600);
    font-size: 0.9rem;
    line-height: 1.5;
}

/* Solutions CTA */
.solutions-cta {
    text-align: center;
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    color: var(--white);
    padding: var(--space-3xl);
    border-radius: var(--radius-xl);
}

.solutions-cta h3 {
    font-size: 1.5rem;
    margin-bottom: var(--space-md);
}

.solutions-cta p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--space-xl);
}

/* Examples Box */
.examples-box {
    background: rgba(100, 255, 218, 0.05);
    border: 1px solid rgba(100, 255, 218, 0.2);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    margin-top: var(--space-2xl);
}

.examples-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-lg);
}

.example-item {
    display: flex;
    gap: var(--space-md);
    padding: var(--space-lg);
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.example-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: var(--white);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.example-content h4 {
    color: var(--primary-dark);
    font-size: 1rem;
    margin-bottom: var(--space-xs);
}

.example-content p {
    color: var(--gray-600);
    font-size: 0.85rem;
    line-height: 1.4;
}

/* ============================================
   Responsive: New Sections
   ============================================ */
@media (max-width: 992px) {
    .steps-container {
        flex-direction: column;
        align-items: center;
    }
    
    .step-arrow {
        transform: rotate(90deg);
    }
    
    .step-card {
        max-width: 100%;
    }
    
    .calculation-grid {
        flex-direction: column;
    }
    
    .calc-operator {
        transform: rotate(90deg);
    }
}

@media (max-width: 768px) {
    .flow-diagram,
    .flow-steps {
        flex-direction: column;
    }
    
    .flow-arrow {
        transform: rotate(90deg);
    }
    
    .ai-dual-role {
        grid-template-columns: 1fr;
    }
    
    .scale-item {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .scale-icon {
        margin: 0 auto var(--space-sm);
    }
    
    .barrier-stat .barrier-number {
        font-size: 3rem;
    }
    
    .barrier-conclusion {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .potential-grid,
    .barriers-grid,
    .solutions-grid,
    .roadmap-timeline,
    .examples-grid,
    .sources-grid {
        grid-template-columns: 1fr;
    }
    
    .solutions-cta {
        padding: var(--space-xl);
    }
    
    .solutions-cta h3 {
        font-size: 1.2rem;
    }
}