/* =====================================================
   SILICON HILAND - Global Intellectual Property Asset Center
   Premium CSS Stylesheet
   ===================================================== */

/* =====================================================
   CSS Variables & Root Settings
   ===================================================== */
:root {
    /* Primary Colors - Deep Intellectual Navy Blue */
    --primary: #1e3a5f;
    --primary-dark: #0f2744;
    --primary-light: #2d5a8b;
    
    /* Accent Colors - Sophisticated Gold/Amber */
    --accent: #c9a227;
    --accent-dark: #a68521;
    --accent-light: #e6c547;
    
    /* Secondary Accent - Elegant Teal */
    --teal: #0d9488;
    --teal-light: #14b8a6;
    
    /* Gradient - Professional Intelligence */
    --gradient-primary: linear-gradient(135deg, #1e3a5f 0%, #0d9488 50%, #c9a227 100%);
    --gradient-subtle: linear-gradient(135deg, #1e3a5f 0%, #2d5a8b 100%);
    --gradient-dark: linear-gradient(135deg, #0a1628 0%, #0f172a 100%);
    --gradient-glow: linear-gradient(135deg, rgba(30, 58, 95, 0.4) 0%, rgba(13, 148, 136, 0.3) 50%, rgba(201, 162, 39, 0.2) 100%);
    --gradient-gold: linear-gradient(135deg, #c9a227 0%, #e6c547 100%);
    
    /* Background Colors - Deep Professional */
    --bg-dark: #0a1628;
    --bg-darker: #050d18;
    --bg-card: rgba(30, 58, 95, 0.15);
    --bg-card-hover: rgba(30, 58, 95, 0.25);
    
    /* Text Colors */
    --text-primary: #f8fafc;
    --text-secondary: rgba(248, 250, 252, 0.75);
    --text-muted: rgba(248, 250, 252, 0.5);
    --text-gold: #e6c547;
    
    /* Border Colors */
    --border-color: rgba(45, 90, 139, 0.3);
    --border-glow: rgba(201, 162, 39, 0.5);
    --border-accent: rgba(13, 148, 136, 0.5);
    
    /* Spacing */
    --section-padding: 120px;
    --container-max: 1200px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 30px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
}

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 20px;
}

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

ul {
    list-style: none;
}

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

/* =====================================================
   Typography
   ===================================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    line-height: 1.2;
}

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

/* =====================================================
   Navigation
   ===================================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition-normal);
}

.navbar.scrolled {
    background: rgba(15, 15, 26, 0.95);
    backdrop-filter: blur(20px);
    padding: 15px 0;
    border-bottom: 1px solid var(--border-color);
}

.nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
}

.nav-logo .logo-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.nav-logo .highlight {
    color: var(--accent);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 40px;
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition-normal);
}

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

.nav-link.nav-cta {
    background: var(--gradient-primary);
    padding: 10px 24px;
    border-radius: var(--radius-xl);
    color: white;
}

.nav-link.nav-cta::after {
    display: none;
}

.nav-link.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(30, 58, 95, 0.4);
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
}

/* =====================================================
   Hero Section
   ===================================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding: 100px 20px;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-particles {
    position: absolute;
    inset: 0;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(34, 211, 238, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(99, 102, 241, 0.1) 0%, transparent 30%);
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, transparent 0%, var(--bg-dark) 70%);
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 10px 24px;
    border-radius: var(--radius-xl);
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 30px;
}

.hero-badge i {
    color: var(--accent);
}

.hero-title {
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 900;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2.5vw, 1.5rem);
    color: var(--text-secondary);
    margin-bottom: 40px;
    font-weight: 400;
}

.hero-statement {
    margin-bottom: 50px;
    font-size: 1.1rem;
    line-height: 2;
}

.hero-statement p {
    color: var(--text-secondary);
}

.hero-statement .highlight-text {
    color: var(--text-primary);
    font-size: 1.2rem;
}

.hero-cta {
    margin-bottom: 50px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 600;
    font-size: 1rem;
    padding: 16px 32px;
    border-radius: var(--radius-xl);
    transition: var(--transition-normal);
    border: none;
    cursor: pointer;
}

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

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 20px 40px rgba(30, 58, 95, 0.4);
}

.hero-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
}

.hero-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.hero-link:hover {
    background: var(--bg-card-hover);
    border-color: var(--primary);
    color: var(--text-primary);
}

.hero-link i {
    color: var(--accent);
}

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
}

.hero-scroll a {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    font-size: 0.85rem;
    color: var(--text-muted);
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(10px); }
}

/* Hero Background Image */
.hero-image {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0.15;
    z-index: 0;
}

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

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-number {
    display: inline-block;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent);
    background: rgba(34, 211, 238, 0.1);
    padding: 8px 16px;
    border-radius: var(--radius-xl);
    margin-bottom: 20px;
}

.section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    margin-bottom: 15px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* =====================================================
   Location Section
   ===================================================== */
.location {
    background: var(--bg-darker);
    overflow: hidden;
}

.location-bg-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    overflow: hidden;
}

.location-bg-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(5, 13, 24, 0.95) 0%, rgba(10, 22, 40, 0.85) 100%);
}

.location-bg-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.4;
}

.location .container {
    position: relative;
    z-index: 1;
}

.location-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.location-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 30px;
    display: flex;
    align-items: flex-start;
    gap: 15px;
    transition: var(--transition-normal);
}

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

.stat-card.featured {
    grid-column: span 2;
    background: var(--gradient-glow);
    border-color: var(--primary);
}

.stat-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    flex-shrink: 0;
}

.stat-content {
    display: flex;
    flex-direction: column;
}

.stat-value {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 2rem;
    font-weight: 700;
    line-height: 1;
}

.stat-unit {
    font-size: 1rem;
    color: var(--accent);
    font-weight: 600;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-top: 5px;
}

.location-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.info-comparison {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 30px;
}

.info-comparison h4 {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 25px;
    font-size: 1.1rem;
}

.info-comparison h4 i {
    color: var(--accent);
}

.comparison-bars {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.bar-item {
    display: flex;
    align-items: center;
    gap: 15px;
}

.bar-label {
    width: 100px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    flex-shrink: 0;
}

.bar-track {
    flex: 1;
    height: 30px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.bar-fill {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    padding: 0 15px;
    font-size: 0.85rem;
    font-weight: 600;
}

.advantages {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 30px;
}

.advantages h4 {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.advantages h4 i {
    color: var(--accent);
}

.advantage-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.advantage-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    color: var(--text-secondary);
}

.advantage-list li i {
    color: var(--primary);
    margin-top: 4px;
    flex-shrink: 0;
}

.location-quote {
    background: var(--gradient-glow);
    border: 1px solid var(--primary);
    border-radius: var(--radius-lg);
    padding: 25px 30px;
    position: relative;
}

.location-quote i {
    color: var(--primary);
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.location-quote p {
    font-size: 1.1rem;
    line-height: 1.6;
}

/* =====================================================
   Global Context / Stack Section
   ===================================================== */
.context {
    background: var(--bg-dark);
}

.stack-container {
    display: flex;
    flex-direction: column;
    gap: 60px;
}

.stack-layers {
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-width: 800px;
    margin: 0 auto;
}

.stack-layer {
    display: flex;
    align-items: center;
    gap: 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 20px 30px;
    transition: var(--transition-normal);
}

.stack-layer.highlighted {
    background: var(--gradient-glow);
    border-color: var(--primary);
    transform: scale(1.02);
}

.layer-number {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.3rem;
    font-weight: 700;
    flex-shrink: 0;
}

.stack-layer.highlighted .layer-number {
    background: var(--gradient-primary);
}

.layer-content {
    flex: 1;
}

.layer-content h4 {
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.layer-content p {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.layer-badge {
    display: inline-block;
    background: var(--accent);
    color: var(--bg-dark);
    font-size: 0.75rem;
    font-weight: 700;
    padding: 5px 12px;
    border-radius: var(--radius-xl);
    margin-top: 10px;
}

.layer-arrow {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--accent);
    font-weight: 600;
}

.stack-summary {
    text-align: center;
}

.summary-card {
    display: inline-block;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 40px 60px;
    max-width: 700px;
}

.summary-card i {
    font-size: 2.5rem;
    color: var(--accent);
    margin-bottom: 20px;
}

.summary-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.summary-card p {
    color: var(--text-secondary);
}

/* =====================================================
   Vision & Mission Section
   ===================================================== */
.vision {
    background: var(--bg-darker);
}

.vision-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.vision-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 50px 40px;
    transition: var(--transition-normal);
}

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

.vision-card.mission {
    background: var(--gradient-glow);
    border-color: var(--primary);
}

.card-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    margin-bottom: 25px;
}

.vision-card h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.vision-card > p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1.8;
}

.mission-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.mission-list li {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    color: var(--text-secondary);
    font-size: 1.05rem;
}

.mission-list li i {
    color: var(--accent);
    font-size: 1.2rem;
    margin-top: 2px;
    flex-shrink: 0;
}

/* =====================================================
   BrainEx Section
   ===================================================== */
.brainex {
    background: var(--bg-dark);
}

.brainex-content {
    display: flex;
    flex-direction: column;
    gap: 60px;
}

.brainex-intro {
    text-align: center;
}

.intro-icon {
    width: 100px;
    height: 100px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    margin: 0 auto 30px;
}

.brainex-intro h3 {
    font-size: 1.8rem;
    margin-bottom: 15px;
}

.brainex-intro p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.ip-types {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.ip-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 30px 20px;
    text-align: center;
    transition: var(--transition-normal);
}

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

.ip-card i {
    font-size: 2rem;
    color: var(--accent);
    margin-bottom: 15px;
}

.ip-card span {
    display: block;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

/* =====================================================
   DeepBrain Investment Model
   ===================================================== */
.deepbrain-model {
    background: var(--gradient-glow);
    border: 2px solid var(--primary);
    border-radius: var(--radius-lg);
    padding: 50px 40px;
    margin: 50px 0;
}

.deepbrain-header {
    text-align: center;
    margin-bottom: 40px;
}

.deepbrain-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-gold);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--bg-dark);
    margin: 0 auto 20px;
}

.deepbrain-header h4 {
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.deepbrain-subtitle {
    color: var(--accent);
    font-size: 1.1rem;
    font-weight: 500;
}

.deepbrain-flow {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
    margin-bottom: 40px;
    padding: 30px;
    background: rgba(0, 0, 0, 0.2);
    border-radius: var(--radius-lg);
}

.flow-item {
    text-align: center;
    min-width: 120px;
}

.flow-value {
    display: block;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent);
    line-height: 1;
}

.flow-unit {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 5px 0;
}

.flow-label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
}

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

.deepbrain-replication {
    text-align: center;
    margin-bottom: 30px;
    padding: 30px;
    background: rgba(0, 0, 0, 0.15);
    border-radius: var(--radius-lg);
}

.replication-visual {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 30px;
    margin-bottom: 20px;
}

.rep-center {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 20px 30px;
    background: var(--gradient-gold);
    border-radius: var(--radius-md);
    color: var(--bg-dark);
}

.rep-center i {
    font-size: 2rem;
}

.rep-center span {
    font-weight: 600;
}

.rep-arrows {
    font-size: 2rem;
    color: var(--teal);
    animation: pulse 2s infinite;
}

.rep-result {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
}

.rep-number {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 3rem;
    font-weight: 700;
    color: var(--teal-light);
    line-height: 1;
}

.rep-text {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.replication-note {
    font-size: 1rem;
    color: var(--text-secondary);
    margin: 0;
}

.deepbrain-result {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    padding: 25px 30px;
    background: var(--gradient-subtle);
    border-radius: var(--radius-md);
}

.deepbrain-result i {
    font-size: 2.5rem;
    color: var(--accent);
}

.result-text {
    text-align: left;
}

.result-text p {
    margin: 0;
    font-size: 1.1rem;
}

.result-text .result-highlight {
    font-size: 1.3rem;
    margin-top: 5px;
}

.brainex-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.feature-column {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 40px;
}

.feature-column h4 {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.2rem;
    margin-bottom: 25px;
}

.feature-column h4 i {
    color: var(--accent);
}

.feature-column ul {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.feature-column li {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-secondary);
}

.feature-column li i {
    color: var(--primary);
    width: 20px;
    flex-shrink: 0;
}

/* =====================================================
   BrainFarm Section
   ===================================================== */
.brainfarm {
    background: var(--bg-darker);
}

.brainfarm-content {
    display: flex;
    flex-direction: column;
    gap: 60px;
}

.brainfarm-statement {
    text-align: center;
}

.statement-highlight {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 40px 60px;
    display: inline-block;
}

.statement-highlight p {
    font-size: 1.2rem;
    margin-bottom: 10px;
    line-height: 1.8;
}

.statement-highlight p:last-child {
    margin-bottom: 0;
}

/* Living Ecosystem Preview */
.ecosystem-preview {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 30px;
}

.eco-icons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
}

.eco-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 15px 20px;
    background: rgba(13, 148, 136, 0.1);
    border: 1px solid var(--teal);
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
}

.eco-item:hover {
    background: rgba(13, 148, 136, 0.2);
    transform: translateY(-3px);
}

.eco-item i {
    font-size: 1.5rem;
    color: var(--teal-light);
}

.eco-item span {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* 11 IP Grid */
.ip-eleven-grid {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 40px;
}

.ip-grid-title {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    font-size: 1.4rem;
    margin-bottom: 30px;
    color: var(--text-gold);
}

.ip-grid-title i {
    color: var(--accent);
}

.ip-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.ip-item {
    display: flex;
    gap: 15px;
    padding: 20px;
    background: var(--bg-darker);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
}

.ip-item:hover {
    border-color: var(--teal);
    transform: translateY(-3px);
}

.ip-item.featured {
    grid-column: span 3;
    background: var(--gradient-glow);
    border-color: var(--accent);
}

.ip-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--gradient-subtle);
    border-radius: 50%;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--accent);
    flex-shrink: 0;
}

.ip-item.featured .ip-number {
    background: var(--gradient-gold);
    color: var(--bg-dark);
}

.ip-content h5 {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1rem;
    margin-bottom: 5px;
    color: var(--text-primary);
}

.ip-content h5 i {
    color: var(--teal);
    font-size: 0.9rem;
}

.ip-content p {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin: 0;
    line-height: 1.5;
}

/* Investor Value Grid */
.investor-value {
    background: var(--gradient-glow);
    border: 2px solid var(--accent);
    border-radius: var(--radius-lg);
    padding: 40px;
}

.investor-value h4 {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    font-size: 1.3rem;
    margin-bottom: 30px;
    color: var(--text-gold);
}

.investor-value h4 i {
    color: var(--accent);
}

.value-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.value-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 20px;
    background: rgba(0, 0, 0, 0.2);
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
}

.value-item:hover {
    background: rgba(0, 0, 0, 0.3);
}

.value-item i {
    font-size: 1.5rem;
    color: var(--accent);
    flex-shrink: 0;
}

.value-item span {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.brainfarm-features {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.bf-feature {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 40px 30px;
    text-align: center;
    transition: var(--transition-normal);
}

.bf-feature:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
}

.bf-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin: 0 auto 20px;
}

.bf-feature h4 {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.brainfarm-roles {
    text-align: center;
}

.brainfarm-roles h4 {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 1.3rem;
    margin-bottom: 30px;
}

.brainfarm-roles h4 i {
    color: var(--accent);
}

.role-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    max-width: 900px;
    margin: 0 auto;
}

.role-card {
    background: var(--gradient-glow);
    border: 1px solid var(--primary);
    border-radius: var(--radius-md);
    padding: 30px;
    text-align: center;
}

.role-card i {
    font-size: 2rem;
    color: var(--accent);
    margin-bottom: 15px;
}

.role-card p {
    color: var(--text-secondary);
}

/* =====================================================
   Digital Nomad Section
   ===================================================== */
.nomad {
    background: var(--bg-dark);
}

.nomad-content {
    display: flex;
    flex-direction: column;
    gap: 60px;
}

.nomad-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
}

.nomad-stat {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 40px 60px;
    text-align: center;
    transition: var(--transition-normal);
}

.nomad-stat:hover {
    border-color: var(--primary);
}

.nomad-stat.featured {
    background: var(--gradient-glow);
    border-color: var(--primary);
}

.nomad-stat .stat-label {
    display: block;
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 10px;
}

.nomad-stat .stat-value {
    display: block;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 3rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
}

.nomad-stat .stat-unit {
    display: block;
    font-size: 1rem;
    color: var(--accent);
    margin-top: 5px;
}

.nomad-traits {
    text-align: center;
}

.nomad-traits h4 {
    font-size: 1.3rem;
    margin-bottom: 25px;
    color: var(--text-secondary);
}

.trait-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
}

.trait {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 12px 24px;
    font-size: 0.95rem;
    color: var(--text-secondary);
    transition: var(--transition-normal);
}

.trait:hover {
    border-color: var(--primary);
    color: var(--text-primary);
}

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

.nomad-quote {
    text-align: center;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 40px;
    max-width: 700px;
    margin: 0 auto;
}

.nomad-quote i {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 20px;
}

.nomad-quote p {
    font-size: 1.2rem;
    color: var(--text-secondary);
}

/* =====================================================
   Three Blocks Section
   ===================================================== */
.three-blocks {
    background: var(--bg-darker);
}

.blocks-grid {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
    margin-bottom: 60px;
}

.block-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 40px 30px;
    text-align: center;
    min-width: 200px;
    flex: 1;
    max-width: 280px;
    transition: var(--transition-normal);
}

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

.block-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin: 0 auto 20px;
}

.block-card h4 {
    font-size: 1.1rem;
    margin-bottom: 10px;
}

.block-card p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.block-connector {
    color: var(--accent);
    font-size: 1.5rem;
}

.blocks-result {
    text-align: center;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 40px;
    max-width: 800px;
    margin: 0 auto;
}

.result-flow {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
    margin-bottom: 20px;
    font-size: 1rem;
    color: var(--text-secondary);
}

.result-flow i {
    color: var(--accent);
}

.result-highlight {
    font-size: 1.2rem;
    color: var(--accent);
}

/* =====================================================
   IP Economy Section
   ===================================================== */
.ip-economy {
    background: var(--bg-dark);
}

.economy-content {
    display: flex;
    flex-direction: column;
    gap: 50px;
    align-items: center;
}

.economy-highlight {
    text-align: center;
    background: var(--gradient-glow);
    border: 1px solid var(--primary);
    border-radius: var(--radius-lg);
    padding: 50px 80px;
}

.highlight-stat {
    margin-bottom: 20px;
}

.highlight-stat .percent {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 4rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.highlight-stat .label {
    display: block;
    font-size: 1.2rem;
    color: var(--text-secondary);
}

.economy-highlight .highlight-text {
    font-size: 1.1rem;
    color: var(--accent);
}

.economy-why {
    text-align: center;
    max-width: 700px;
}

.economy-why h4 {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 1.3rem;
    margin-bottom: 30px;
}

.economy-why h4 i {
    color: var(--accent);
}

.why-reasons {
    display: flex;
    justify-content: center;
    gap: 30px;
}

.reason {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 30px 40px;
}

.reason i {
    font-size: 2rem;
    color: var(--primary);
}

.reason span {
    color: var(--text-secondary);
}

.economy-conclusion {
    display: flex;
    align-items: center;
    gap: 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 30px 50px;
}

.economy-conclusion i {
    font-size: 2.5rem;
    color: var(--accent);
}

.economy-conclusion p {
    font-size: 1.2rem;
    color: var(--text-secondary);
}

/* =====================================================
   Government Section
   ===================================================== */
.government {
    background: var(--bg-darker);
}

.gov-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-bottom: 50px;
}

.gov-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 40px;
}

.gov-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 25px;
}

.gov-header i {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
}

.gov-header h4 {
    font-size: 1.3rem;
}

.gov-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.gov-list li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
    background: rgba(255, 255, 255, 0.02);
    border-radius: var(--radius-sm);
}

.item-label {
    color: var(--text-secondary);
}

.item-value {
    font-weight: 600;
    color: var(--accent);
}

.gov-quote {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    background: var(--gradient-glow);
    border: 1px solid var(--primary);
    border-radius: var(--radius-lg);
    padding: 30px 50px;
    max-width: 600px;
    margin: 0 auto;
}

.gov-quote i {
    font-size: 2rem;
    color: var(--accent);
}

.gov-quote p {
    font-size: 1.2rem;
}

/* =====================================================
   Bigmen Section
   ===================================================== */
.bigmen {
    background: var(--bg-dark);
}

.bigmen-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 50px;
}

.bigmen-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 40px 30px;
    text-align: center;
    transition: var(--transition-normal);
}

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

.bm-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin: 0 auto 25px;
}

.bigmen-card h4 {
    font-size: 1.3rem;
    margin-bottom: 10px;
}

.bigmen-card p {
    color: var(--text-muted);
}

.bigmen-result {
    text-align: center;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 40px;
    max-width: 600px;
    margin: 0 auto;
}

.bigmen-result p {
    font-size: 1.3rem;
    margin-bottom: 20px;
}

.result-tags {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #ef4444;
    padding: 8px 16px;
    border-radius: var(--radius-xl);
    font-size: 0.9rem;
}

/* =====================================================
   Impact Section
   ===================================================== */
.impact {
    background: var(--bg-darker);
}

.impact-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.impact-card {
    background: var(--gradient-glow);
    border: 1px solid var(--primary);
    border-radius: var(--radius-lg);
    padding: 50px 30px;
    text-align: center;
    transition: var(--transition-normal);
}

.impact-card:hover {
    transform: translateY(-5px);
}

.impact-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin: 0 auto 25px;
}

.impact-card p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* =====================================================
   CTA Section
   ===================================================== */
.cta-section {
    background: var(--bg-dark);
    padding-bottom: 80px;
}

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

.cta-audiences {
    margin-bottom: 50px;
}

.cta-audiences h4 {
    font-size: 1.3rem;
    margin-bottom: 25px;
    color: var(--text-secondary);
}

.audience-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
}

.audience {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 12px 24px;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

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

.cta-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
}

.btn-cta {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: var(--gradient-primary);
    color: white;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    padding: 18px 36px;
    border-radius: var(--radius-xl);
    transition: var(--transition-normal);
}

.btn-cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 20px 40px rgba(30, 58, 95, 0.4);
}

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

.btn-cta.btn-outline:hover {
    background: var(--primary);
}

/* =====================================================
   Footer
   ===================================================== */
.footer {
    background: var(--bg-darker);
    padding: 80px 0 40px;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 20px;
}

.footer-manifesto {
    text-align: center;
    margin-bottom: 60px;
    padding: 60px;
    background: var(--gradient-glow);
    border: 1px solid var(--primary);
    border-radius: var(--radius-lg);
}

.manifesto-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin: 0 auto 30px;
}

.manifesto-text {
    font-size: 1.4rem;
    line-height: 2;
    color: var(--text-secondary);
}

.footer-links {
    text-align: center;
    margin-bottom: 40px;
}

.footer-brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.footer-brand .logo-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

.footer-brand .highlight {
    color: var(--accent);
}

.footer-tagline {
    color: var(--text-muted);
}

/* =====================================================
   Nomad Comparison Section (University VS Silicon Hiland)
   ===================================================== */
.nomad-comparison {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 50px 40px;
    margin-top: 40px;
}

.comparison-title {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    margin-bottom: 40px;
}

.comparison-title i {
    font-size: 2rem;
    color: var(--accent);
}

.comparison-title h4 {
    font-size: 1.4rem;
    margin: 0;
}

.comparison-grid {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 30px;
    align-items: center;
}

.compare-card {
    background: var(--bg-darker);
    border-radius: var(--radius-lg);
    padding: 35px 30px;
    text-align: center;
    border: 2px solid transparent;
    transition: var(--transition-normal);
}

.compare-card.traditional {
    border-color: rgba(239, 68, 68, 0.3);
}

.compare-card.silicon-hiland {
    border-color: var(--accent);
    background: var(--gradient-glow);
}

.compare-header {
    margin-bottom: 25px;
}

.compare-header i {
    font-size: 2.5rem;
    margin-bottom: 15px;
    display: block;
}

.compare-card.traditional .compare-header i {
    color: #ef4444;
}

.compare-card.silicon-hiland .compare-header i {
    color: var(--accent);
}

.compare-header h5 {
    font-size: 1.2rem;
    font-weight: 600;
    margin: 0;
}

.compare-content {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.compare-stat {
    background: rgba(0, 0, 0, 0.2);
    border-radius: var(--radius-sm);
    padding: 15px;
}

.compare-value {
    display: block;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.4rem;
    font-weight: 700;
    color: #ef4444;
    margin-bottom: 5px;
}

.compare-label {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.compare-text {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

.compare-vs {
    display: flex;
    align-items: center;
    justify-content: center;
}

.compare-vs span {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: var(--gradient-gold);
    border-radius: 50%;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--bg-dark);
}

/* =====================================================
   Leverage Statement (Impact Section)
   ===================================================== */
.leverage-statement {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 25px;
    background: var(--gradient-glow);
    border: 2px solid var(--accent);
    border-radius: var(--radius-lg);
    padding: 40px 50px;
    margin-bottom: 60px;
    text-align: center;
}

.leverage-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-gold);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--bg-dark);
    flex-shrink: 0;
}

.leverage-statement p {
    font-size: 1.3rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin: 0;
    text-align: left;
}

/* =====================================================
   Research Unit Section
   ===================================================== */
.research-unit {
    background: var(--bg-dark);
    padding-bottom: 80px;
}

.research-content {
    max-width: 900px;
    margin: 0 auto;
}

.company-card {
    display: flex;
    align-items: center;
    gap: 30px;
    background: var(--gradient-glow);
    border: 2px solid var(--primary);
    border-radius: var(--radius-lg);
    padding: 40px;
    margin-bottom: 50px;
}

.company-logo {
    width: 100px;
    height: 100px;
    background: var(--gradient-subtle);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: var(--accent);
    flex-shrink: 0;
}

.company-info h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--text-gold);
}

.company-address {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-secondary);
    font-size: 1rem;
}

.company-address i {
    color: var(--teal);
}

.leadership-grid {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 40px;
}

.leadership-grid h4 {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.3rem;
    margin-bottom: 30px;
    color: var(--text-primary);
}

.leadership-grid h4 i {
    color: var(--accent);
}

.leader-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.leader-card {
    display: flex;
    align-items: center;
    gap: 20px;
    background: var(--bg-darker);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 25px;
    transition: var(--transition-normal);
}

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

.leader-avatar {
    width: 70px;
    height: 70px;
    background: var(--gradient-subtle);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--teal-light);
    flex-shrink: 0;
}

.leader-info {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.leader-info h5 {
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0;
    color: var(--text-primary);
}

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

.leader-phone {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-top: 5px;
}

.leader-phone:hover {
    color: var(--teal-light);
}

.leader-phone i {
    color: var(--teal);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 30px;
    border-top: 1px solid var(--border-color);
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.footer-social {
    display: flex;
    gap: 15px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: var(--transition-normal);
}

.footer-social a:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

/* =====================================================
   Section Visual Backgrounds - Hình ảnh minh họa
   ===================================================== */

/* Context Section Visual */
.context {
    position: relative;
}

.context-visual {
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    z-index: 0;
    overflow: hidden;
}

.context-bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.15;
}

.context-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to right, var(--bg-dark) 0%, transparent 50%, rgba(10, 22, 40, 0.9) 100%);
}

.context .container {
    position: relative;
    z-index: 1;
}

/* BrainEx Section Visual */
.brainex {
    position: relative;
    overflow: hidden;
}

.brainex-visual {
    position: absolute;
    top: 0;
    left: 0;
    width: 40%;
    height: 100%;
    z-index: 0;
}

.brainex-bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.12;
}

.brainex-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to left, var(--bg-dark) 0%, transparent 50%, rgba(10, 22, 40, 0.95) 100%);
}

.brainex .container {
    position: relative;
    z-index: 1;
}

/* BrainFarm Gallery */
.brainfarm-gallery {
    max-width: 1400px;
    margin: 0 auto 60px auto;
    padding: 0 20px;
}

.gallery-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 20px;
    height: 400px;
}

.gallery-item {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition-normal);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.gallery-item:hover img {
    transform: scale(1.1);
}

.gallery-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(10, 22, 40, 0.9) 0%, transparent 50%);
    display: flex;
    align-items: flex-end;
    padding: 20px;
    opacity: 0;
    transition: var(--transition-normal);
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-overlay span {
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 600;
    text-shadow: 0 2px 10px rgba(0,0,0,0.5);
}

.gallery-item.large {
    grid-row: span 2;
}

/* IP Economy Section Visual */
.ip-economy {
    position: relative;
    overflow: hidden;
}

.ip-economy-visual {
    position: absolute;
    top: 0;
    right: 0;
    width: 45%;
    height: 100%;
    z-index: 0;
}

.ip-economy-bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.1;
}

.ip-economy-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to right, var(--bg-dark) 30%, transparent 60%, rgba(10, 22, 40, 0.9) 100%);
}

.ip-economy .container {
    position: relative;
    z-index: 1;
}

/* Bigmen Section Visual */
.bigmen {
    position: relative;
    overflow: hidden;
}

.bigmen-visual {
    position: absolute;
    top: 0;
    left: 0;
    width: 35%;
    height: 100%;
    z-index: 0;
}

.bigmen-bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.1;
}

.bigmen-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to left, var(--bg-dark) 30%, transparent 60%, rgba(10, 22, 40, 0.95) 100%);
}

.bigmen .container {
    position: relative;
    z-index: 1;
}

/* CTA Section Visual */
.cta-section {
    position: relative;
    overflow: hidden;
}

.cta-visual {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.cta-bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.15;
}

.cta-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(10, 22, 40, 0.95) 0%, rgba(30, 58, 95, 0.85) 50%, rgba(10, 22, 40, 0.95) 100%);
}

.cta-section .container {
    position: relative;
    z-index: 1;
}

/* =====================================================
   Responsive Design
   ===================================================== */
@media (max-width: 1024px) {
    :root {
        --section-padding: 80px;
    }
    
    /* Visual backgrounds responsive */
    .context-visual,
    .brainex-visual,
    .ip-economy-visual,
    .bigmen-visual {
        width: 100%;
        opacity: 0.5;
    }
    
    .context-overlay,
    .brainex-overlay,
    .ip-economy-overlay,
    .bigmen-overlay {
        background: linear-gradient(to bottom, rgba(10, 22, 40, 0.9) 0%, rgba(10, 22, 40, 0.85) 100%);
    }
    
    .gallery-grid {
        grid-template-columns: 1fr 1fr;
        height: 350px;
    }
    
    .gallery-item.large {
        grid-row: span 1;
    }
    
    .location-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .vision-grid {
        grid-template-columns: 1fr;
    }
    
    /* DeepBrain Model Responsive */
    .deepbrain-flow {
        gap: 15px;
    }
    
    .flow-item {
        min-width: 100px;
    }
    
    .flow-value {
        font-size: 2rem;
    }
    
    /* 11 IP Grid Responsive */
    .ip-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .ip-item.featured {
        grid-column: span 2;
    }
    
    .value-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .ip-types {
        grid-template-columns: 1fr 1fr;
    }
    
    .brainex-features {
        grid-template-columns: 1fr;
    }
    
    .brainfarm-features {
        grid-template-columns: 1fr 1fr;
    }
    
    .role-cards {
        grid-template-columns: 1fr;
    }
    
    .gov-grid {
        grid-template-columns: 1fr;
    }
    
    .bigmen-grid {
        grid-template-columns: 1fr;
    }
    
    .impact-cards {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    /* Gallery responsive 768px */
    .gallery-grid {
        grid-template-columns: 1fr;
        height: auto;
    }
    
    .gallery-item {
        height: 200px;
    }
    
    .gallery-item.large {
        height: 280px;
    }
    
    .brainfarm-gallery {
        margin-bottom: 40px;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background: var(--bg-darker);
        flex-direction: column;
        align-items: flex-start;
        padding: 100px 40px;
        gap: 25px;
        transition: var(--transition-normal);
        border-left: 1px solid var(--border-color);
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-toggle {
        display: block;
        z-index: 1001;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-links {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-link {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
    
    .location-stats {
        grid-template-columns: 1fr;
    }
    
    .stat-card.featured {
        grid-column: span 1;
    }
    
    .blocks-grid {
        flex-direction: column;
    }
    
    .block-connector {
        transform: rotate(90deg);
    }
    
    .block-card {
        max-width: 100%;
    }
    
    .nomad-stats {
        flex-direction: column;
        gap: 20px;
    }
    
    .nomad-stat {
        padding: 30px 40px;
    }
    
    .why-reasons {
        flex-direction: column;
        align-items: center;
    }
    
    .result-tags {
        flex-direction: column;
        align-items: center;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn-cta {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
    
    .footer-manifesto {
        padding: 40px 20px;
    }
    
    .manifesto-text {
        font-size: 1.1rem;
    }
    
    .ip-types {
        grid-template-columns: 1fr;
    }
    
    .brainfarm-features {
        grid-template-columns: 1fr;
    }
    
    .economy-highlight {
        padding: 30px;
    }
    
    .highlight-stat .percent {
        font-size: 2.5rem;
    }
    
    /* DeepBrain responsive 768px */
    .deepbrain-flow {
        flex-direction: column;
        gap: 20px;
    }
    
    .flow-arrow {
        transform: rotate(90deg);
    }
    
    .replication-visual {
        flex-direction: column;
        gap: 20px;
    }
    
    .deepbrain-result {
        flex-direction: column;
        text-align: center;
    }
    
    .result-text {
        text-align: center;
    }
    
    /* 11 IP Grid responsive 768px */
    .ip-grid {
        grid-template-columns: 1fr;
    }
    
    .ip-item.featured {
        grid-column: span 1;
    }
    
    .value-grid {
        grid-template-columns: 1fr;
    }
    
    .eco-icons {
        gap: 10px;
    }
    
    .eco-item {
        padding: 10px 15px;
    }
    
    /* Responsive for new sections */
    .comparison-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .compare-vs {
        order: -1;
    }
    
    .compare-vs span {
        width: 50px;
        height: 50px;
        font-size: 1rem;
    }
    
    .leverage-statement {
        flex-direction: column;
        text-align: center;
        padding: 30px 20px;
    }
    
    .leverage-statement p {
        text-align: center;
    }
    
    .company-card {
        flex-direction: column;
        text-align: center;
        padding: 30px 20px;
    }
    
    .company-address {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .leader-cards {
        grid-template-columns: 1fr;
    }
    
    .leader-card {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    :root {
        --section-padding: 60px;
    }
    
    .section-header {
        margin-bottom: 50px;
    }
    
    .hero {
        padding: 80px 15px;
    }
    
    .hero-badge {
        font-size: 0.8rem;
        padding: 8px 16px;
    }
    
    .hero-statement {
        font-size: 1rem;
    }
    
    .btn {
        padding: 14px 24px;
        font-size: 0.95rem;
    }
    
    .stat-card {
        padding: 20px;
    }
    
    .stat-value {
        font-size: 1.5rem;
    }
    
    .vision-card {
        padding: 30px 25px;
    }
    
    .gov-quote,
    .economy-conclusion {
        flex-direction: column;
        text-align: center;
        padding: 30px 20px;
    }
    
    .audience-tags {
        gap: 10px;
    }
    
    .audience {
        padding: 10px 16px;
        font-size: 0.85rem;
    }
}

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

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

@keyframes glow {
    0%, 100% {
        box-shadow: 0 0 20px rgba(30, 58, 95, 0.3);
    }
    50% {
        box-shadow: 0 0 40px rgba(201, 162, 39, 0.5);
    }
}

.stack-layer.highlighted {
    animation: glow 3s ease-in-out infinite;
}