/* ============================================
   MIT for Distributors - Global Styles
   B2B Data Intelligence Platform Design
   ============================================ */

:root {
    /* Primary Colors - Professional Blue & Gray */
    --primary-blue: #1e40af;
    --primary-blue-light: #3b82f6;
    --primary-blue-dark: #1e3a8a;
    --secondary-blue: #0ea5e9;
    
    /* Gray Scale */
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    /* Accent Colors */
    --accent-green: #10b981;
    --accent-yellow: #f59e0b;
    --accent-red: #ef4444;
    --accent-purple: #8b5cf6;
    
    /* Status Colors */
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #0ea5e9;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-korean: 'Noto Sans KR', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;
}

/* ============================================
   Reset & Base Styles
   ============================================ */

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

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

body {
    font-family: var(--font-primary), var(--font-korean);
    color: var(--gray-800);
    background-color: var(--gray-50);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ============================================
   Navigation
   ============================================ */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-200);
    padding: var(--spacing-sm) 0;
    z-index: 1000;
    transition: var(--transition-base);
}

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

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--primary-blue);
}

.nav-brand i {
    font-size: 1.5rem;
}

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

.nav-menu a {
    text-decoration: none;
    color: var(--gray-700);
    font-weight: 500;
    transition: var(--transition-fast);
    font-size: 0.95rem;
}

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

.btn-nav {
    background: var(--primary-blue);
    color: white !important;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-md);
    transition: var(--transition-base);
}

.btn-nav:hover {
    background: var(--primary-blue-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.nav-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--gray-700);
}

/* ============================================
   Hero Section
   ============================================ */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #1e3a8a 0%, #1e40af 50%, #3b82f6 100%);
    overflow: hidden;
    margin-top: 70px;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0.1;
}

#worldMap {
    width: 100%;
    height: 100%;
}

.data-particles {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
}

.hero-content {
    position: relative;
    z-index: 10;
    color: white;
}

.hero-text {
    max-width: 800px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    animation: fadeInUp 0.8s ease;
}

.hero-title .highlight {
    color: #fbbf24;
    text-shadow: 0 0 30px rgba(251, 191, 36, 0.5);
}

.hero-subtitle {
    font-size: 1.25rem;
    opacity: 0.95;
    margin-bottom: var(--spacing-xl);
    animation: fadeInUp 0.8s ease 0.2s backwards;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
    animation: fadeInUp 0.8s ease 0.4s backwards;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    animation: fadeInUp 0.8s ease 0.6s backwards;
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: var(--spacing-xs);
}

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

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

/* ============================================
   Buttons
   ============================================ */

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

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

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

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

.btn-secondary:hover {
    background: transparent;
    color: white;
    transform: translateY(-2px);
}

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

.btn-outline:hover {
    background: var(--primary-blue);
    color: white;
    transform: translateY(-2px);
}

.btn-large {
    padding: 1.125rem 2.5rem;
    font-size: 1.125rem;
}

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

/* ============================================
   Sections
   ============================================ */

.section {
    padding: var(--spacing-2xl) 0;
}

.section:nth-child(even) {
    background: white;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: var(--primary-blue);
    color: white;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-lg);
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-md);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--gray-900);
    margin-bottom: var(--spacing-md);
}

.section-description {
    font-size: 1.125rem;
    color: var(--gray-600);
    max-width: 700px;
    margin: 0 auto;
}

/* ============================================
   Intelligence Section
   ============================================ */

.content-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.chart-container {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.chart-container h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: var(--spacing-md);
}

.insight-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.insight-card {
    background: white;
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    display: flex;
    gap: var(--spacing-md);
    transition: var(--transition-base);
}

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

.card-icon {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
}

.card-icon.usa { background: linear-gradient(135deg, #3b82f6, #2563eb); }
.card-icon.aus { background: linear-gradient(135deg, #10b981, #059669); }
.card-icon.bra { background: linear-gradient(135deg, #f59e0b, #d97706); }
.card-icon.nz { background: linear-gradient(135deg, #8b5cf6, #7c3aed); }

.card-content h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: var(--spacing-xs);
}

.price {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--gray-900);
    margin-bottom: var(--spacing-xs);
}

.change {
    font-size: 0.875rem;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    margin-left: var(--spacing-xs);
}

.change.up {
    background: rgba(16, 185, 129, 0.1);
    color: var(--accent-green);
}

.change.down {
    background: rgba(239, 68, 68, 0.1);
    color: var(--accent-red);
}

.card-content p {
    font-size: 0.875rem;
    color: var(--gray-600);
}

/* Simulator Box */
.simulator-box {
    background: linear-gradient(135deg, var(--primary-blue-dark), var(--primary-blue));
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    color: white;
    box-shadow: var(--shadow-lg);
}

.simulator-box h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.simulator-controls {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.control-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    opacity: 0.9;
}

.control-group select,
.control-group input[type="range"] {
    width: 100%;
    padding: var(--spacing-xs) var(--spacing-sm);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.1);
    color: white;
    font-size: 1rem;
}

.result-display {
    background: rgba(255, 255, 255, 0.2);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: 1.5rem;
    font-weight: 800;
    text-align: center;
}

/* ============================================
   Timing Section
   ============================================ */

.timing-dashboard {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-xl);
}

.timing-chart-container {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

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

.signal-card {
    background: white;
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    display: flex;
    gap: var(--spacing-md);
    border-left: 4px solid var(--gray-300);
    transition: var(--transition-base);
}

.signal-card:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-lg);
}

.signal-card.optimal {
    border-left-color: var(--accent-green);
}

.signal-card.warning {
    border-left-color: var(--accent-yellow);
}

.signal-card.good {
    border-left-color: var(--primary-blue);
}

.signal-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.signal-card.optimal .signal-icon {
    background: rgba(16, 185, 129, 0.1);
    color: var(--accent-green);
}

.signal-card.warning .signal-icon {
    background: rgba(245, 158, 11, 0.1);
    color: var(--accent-yellow);
}

.signal-card.good .signal-icon {
    background: rgba(59, 130, 246, 0.1);
    color: var(--primary-blue);
}

.signal-content h4 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: var(--spacing-xs);
}

.signal-status {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-600);
    margin-bottom: var(--spacing-xs);
}

.signal-score {
    font-size: 0.875rem;
    color: var(--gray-600);
    margin-bottom: var(--spacing-xs);
}

.signal-score strong {
    color: var(--primary-blue);
    font-weight: 800;
}

.signal-content p {
    font-size: 0.875rem;
    color: var(--gray-500);
}

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

/* ============================================
   Inventory Section
   ============================================ */

.inventory-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--spacing-xl);
}

.inventory-chart {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.inventory-chart h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: var(--spacing-md);
}

.inventory-metrics {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

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

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

.metric-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-blue-light), var(--primary-blue));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
}

.metric-card h4 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-600);
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.metric-value {
    font-size: 2rem;
    font-weight: 800;
    color: var(--gray-900);
    margin-bottom: var(--spacing-xs);
}

.metric-value .unit {
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-500);
}

.metric-change {
    font-size: 0.875rem;
    font-weight: 600;
}

.metric-change.up {
    color: var(--accent-green);
}

.metric-change.down {
    color: var(--accent-red);
}

.metric-note {
    font-size: 0.875rem;
    color: var(--gray-500);
}

/* ============================================
   FTA Section
   ============================================ */

.fta-comparison {
    display: grid;
    gap: var(--spacing-xl);
}

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

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

.comparison-table thead {
    background: var(--primary-blue);
    color: white;
}

.comparison-table th {
    padding: var(--spacing-md);
    text-align: left;
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.comparison-table td {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--gray-200);
    font-size: 0.95rem;
}

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

.comparison-table tbody tr:hover {
    background: var(--gray-50);
}

.rank-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 700;
}

.rank-badge.gold {
    background: linear-gradient(135deg, #fbbf24, #f59e0b);
    color: white;
}

.rank-badge.silver {
    background: linear-gradient(135deg, #e5e7eb, #d1d5db);
    color: var(--gray-700);
}

.rank-badge.bronze {
    background: linear-gradient(135deg, #f97316, #ea580c);
    color: white;
}

.highlight-green {
    color: var(--accent-green);
    font-weight: 700;
}

.highlight-yellow {
    color: var(--accent-yellow);
    font-weight: 700;
}

.fta-chart-container {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.fta-chart-container h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: var(--spacing-md);
}

/* ============================================
   Risk Section
   ============================================ */

.risk-dashboard {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
}

.risk-map {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.risk-map h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: var(--spacing-md);
}

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

.heatmap-row {
    display: grid;
    grid-template-columns: 150px repeat(4, 1fr);
    gap: var(--spacing-sm);
    align-items: center;
}

.heatmap-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-700);
}

.heatmap-cell {
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    text-align: center;
    font-size: 0.875rem;
    font-weight: 600;
    transition: var(--transition-fast);
}

.heatmap-cell:hover {
    transform: scale(1.05);
}

.heatmap-cell.low {
    background: rgba(16, 185, 129, 0.2);
    color: var(--accent-green);
}

.heatmap-cell.medium {
    background: rgba(245, 158, 11, 0.2);
    color: var(--accent-yellow);
}

.heatmap-cell.high {
    background: rgba(239, 68, 68, 0.2);
    color: var(--accent-red);
}

.heatmap-legend {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.875rem;
    color: var(--gray-600);
}

.legend-color {
    width: 20px;
    height: 20px;
    border-radius: var(--radius-sm);
}

.legend-color.low { background: rgba(16, 185, 129, 0.2); }
.legend-color.medium { background: rgba(245, 158, 11, 0.2); }
.legend-color.high { background: rgba(239, 68, 68, 0.2); }

.scenario-simulator {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.scenario-simulator h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: var(--spacing-md);
}

.scenario-results {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.scenario-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    font-weight: 600;
}

.scenario-item i {
    font-size: 1.5rem;
}

.scenario-item.best {
    background: rgba(16, 185, 129, 0.1);
    color: var(--accent-green);
}

.scenario-item.base {
    background: rgba(59, 130, 246, 0.1);
    color: var(--primary-blue);
}

.scenario-item.worst {
    background: rgba(239, 68, 68, 0.1);
    color: var(--accent-red);
}

.scenario-item div {
    display: flex;
    flex-direction: column;
}

.scenario-item strong {
    font-size: 1rem;
}

.scenario-item span {
    font-size: 0.875rem;
}

/* ============================================
   Dashboard Section
   ============================================ */

.dashboard-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
}

.dashboard-chart {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.dashboard-chart h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: var(--spacing-md);
}

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

.dashboard-metric {
    background: linear-gradient(135deg, var(--primary-blue-light), var(--primary-blue));
    color: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    box-shadow: var(--shadow-md);
}

.dashboard-metric i {
    font-size: 2rem;
    opacity: 0.9;
}

.dashboard-metric h4 {
    font-size: 0.875rem;
    font-weight: 600;
    opacity: 0.9;
    margin-bottom: var(--spacing-xs);
}

.metric-big {
    font-size: 2rem;
    font-weight: 800;
}

.fair-value-calculator {
    grid-column: 1 / -1;
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.fair-value-calculator h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.calculator-inputs {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr auto;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.calculator-inputs input {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-size: 1rem;
}

.calculator-result {
    background: var(--gray-100);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    text-align: center;
    font-size: 1.125rem;
    color: var(--gray-700);
}

.calculator-result strong {
    font-size: 1.5rem;
    color: var(--primary-blue);
}

/* ============================================
   Contact Section
   ============================================ */

.section-contact {
    background: linear-gradient(135deg, var(--gray-900), var(--gray-800));
    color: white;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: start;
}

.contact-info h2 {
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

.contact-lead {
    font-size: 1.125rem;
    opacity: 0.9;
    margin-bottom: var(--spacing-xl);
}

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

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

.feature-item i {
    color: var(--accent-green);
    font-size: 1.25rem;
}

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

.detail-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    opacity: 0.9;
}

.detail-item i {
    color: var(--primary-blue-light);
    width: 20px;
}

.contact-form-wrapper {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

.contact-form h3 {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--gray-900);
    margin-bottom: var(--spacing-lg);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: var(--spacing-xs);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-group textarea {
    resize: vertical;
}

/* ============================================
   Footer
   ============================================ */

.footer {
    background: var(--gray-900);
    color: white;
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-xl);
}

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

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-blue-light);
}

.footer-logo i {
    font-size: 1.75rem;
}

.footer-brand p {
    opacity: 0.8;
}

.footer-social {
    display: flex;
    gap: var(--spacing-md);
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    transition: var(--transition-base);
}

.footer-social a:hover {
    background: var(--primary-blue);
    transform: translateY(-3px);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.footer-column h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.footer-column a {
    display: block;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    margin-bottom: var(--spacing-sm);
    transition: var(--transition-fast);
}

.footer-column a:hover {
    color: var(--primary-blue-light);
    transform: translateX(3px);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.875rem;
    opacity: 0.7;
}

.footer-legal {
    display: flex;
    gap: var(--spacing-lg);
}

.footer-legal a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition-fast);
}

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

/* ============================================
   Responsive Design
   ============================================ */

@media (max-width: 1024px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .content-grid,
    .timing-dashboard,
    .inventory-grid,
    .risk-dashboard,
    .dashboard-grid,
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .insight-cards {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .nav-toggle {
        display: block;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .simulator-controls {
        grid-template-columns: 1fr;
    }
    
    .heatmap-row {
        grid-template-columns: 1fr;
    }
    
    .calculator-inputs {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   Utility Classes
   ============================================ */

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

.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }

.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mb-5 { margin-bottom: var(--spacing-xl); }