/* ============================================
   CSS Variables & Root Styles
   ============================================ */
:root {
    /* Brand Colors - Light Green and Dark Blue */
    --color-primary: #0a2540;        /* Dark Blue */
    --color-primary-light: #1a4a7a;  /* Lighter Blue */
    --color-secondary: #7cb342;      /* Light Green */
    --color-secondary-light: #9ccc65; /* Lighter Green */
    --color-secondary-pale: #c5e1a5; /* Pale Green */
    --color-accent: #4caf50;         /* Medium Green */
    
    /* Neutrals */
    --color-white: #ffffff;
    --color-off-white: #f8faf5;
    --color-gray-100: #f5f7f4;
    --color-gray-200: #e8ede6;
    --color-gray-300: #d0d8cd;
    --color-gray-400: #9ca89a;
    --color-gray-500: #6b7a69;
    --color-gray-600: #4a5a48;
    --color-gray-700: #2d3a2b;
    --color-black: #0f1a0e;
    
    /* Typography */
    --font-display: 'Playfair Display', Georgia, serif;
    --font-body: 'Source Sans 3', -apple-system, BlinkMacSystemFont, sans-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;
    
    /* Container */
    --container-max: 1200px;
    --container-padding: 1.5rem;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(10, 37, 64, 0.05);
    --shadow-md: 0 4px 12px rgba(10, 37, 64, 0.08);
    --shadow-lg: 0 8px 24px rgba(10, 37, 64, 0.12);
    --shadow-xl: 0 16px 48px rgba(10, 37, 64, 0.16);
}

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

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

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-gray-700);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

ul {
    list-style: none;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 500;
    line-height: 1.2;
    color: var(--color-primary);
}

/* ============================================
   Layout Utilities
   ============================================ */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.section-label {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-secondary);
    margin-bottom: var(--space-md);
}

.section-label.light {
    color: var(--color-secondary-light);
}

/* ============================================
   Navigation
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 37, 64, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

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

.logo-icon {
    color: var(--color-secondary);
    font-size: 1.25rem;
}

.logo-text {
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: var(--color-white);
}

.logo-highlight {
    color: var(--color-secondary-light);
}

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

.nav-links a {
    font-size: 0.875rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.85);
    transition: color var(--transition-fast);
}

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

.nav-cta {
    padding: 0.6rem 1.25rem;
    background: var(--color-secondary);
    color: var(--color-white) !important;
    border-radius: 4px;
    font-weight: 600;
}

.nav-cta:hover {
    background: var(--color-secondary-light);
    color: var(--color-primary) !important;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-white);
    transition: var(--transition-base);
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('https://images.unsplash.com/photo-1486406146926-c627a92ad1ab?w=1920&h=1080&fit=crop') center/cover no-repeat;
    opacity: 0.3;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, rgba(10, 37, 64, 0.7) 0%, rgba(10, 37, 64, 0.9) 100%);
}

.hero-content {
    position: relative;
    z-index: 10;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    padding-top: 100px;
}

.hero-subtitle {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    color: var(--color-secondary-light);
    margin-bottom: var(--space-lg);
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 400;
    color: var(--color-white);
    line-height: 1.1;
    margin-bottom: var(--space-xl);
}

.hero-description {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.8);
    max-width: 540px;
    margin-bottom: var(--space-2xl);
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.9rem 1.75rem;
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: 4px;
    transition: all var(--transition-base);
    cursor: pointer;
    border: none;
}

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

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

.btn-secondary {
    background: transparent;
    color: var(--color-white);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
}

/* ============================================
   Features Section
   ============================================ */
.features {
    padding: var(--space-4xl) 0;
    background: var(--color-white);
}

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

.feature-item {
    padding-right: var(--space-xl);
}

.feature-line {
    width: 40px;
    height: 3px;
    background: var(--color-primary);
    margin-bottom: var(--space-lg);
}

.feature-item h3 {
    font-size: 1.25rem;
    font-weight: 500;
    margin-bottom: var(--space-md);
    color: var(--color-primary);
}

.feature-item p {
    font-size: 0.95rem;
    color: var(--color-gray-500);
    line-height: 1.7;
}

/* ============================================
   Insights Section
   ============================================ */
.insights {
    padding: var(--space-4xl) 0;
    background: var(--color-gray-100);
}

.section-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    margin-bottom: var(--space-2xl);
    flex-wrap: wrap;
    gap: var(--space-md);
}

.section-header h2 {
    font-size: 2rem;
    color: var(--color-primary);
}

.view-all {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-secondary);
    transition: color var(--transition-fast);
}

.view-all:hover {
    color: var(--color-primary);
}

.insights-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xl);
}

.insight-card {
    background: var(--color-white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

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

.insight-image {
    position: relative;
    height: 220px;
    overflow: hidden;
}

.insight-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.insight-card:hover .insight-image img {
    transform: scale(1.05);
}

.insight-badge {
    position: absolute;
    top: var(--space-md);
    left: var(--space-md);
    padding: 0.4rem 0.75rem;
    background: var(--color-primary);
    color: var(--color-white);
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    border-radius: 3px;
}

.insight-badge span {
    color: var(--color-secondary-light);
}

.insight-content {
    padding: var(--space-lg);
}

.insight-meta {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.insight-category {
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--color-secondary);
}

.insight-date {
    font-size: 0.75rem;
    color: var(--color-gray-400);
}

.insight-content h3 {
    font-size: 1.125rem;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: var(--space-sm);
    color: var(--color-primary);
}

.insight-content p {
    font-size: 0.875rem;
    color: var(--color-gray-500);
    line-height: 1.6;
}

.insight-card.featured .insight-image {
    height: 200px;
}

/* ============================================
   Market Dynamics Section
   ============================================ */
.market-dynamics {
    padding: var(--space-4xl) 0;
    background: var(--color-white);
}

.dynamics-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: center;
}

.dynamics-text h2 {
    font-size: 2.5rem;
    line-height: 1.2;
    margin-bottom: var(--space-lg);
    color: var(--color-primary);
}

.dynamics-text p {
    font-size: 1rem;
    color: var(--color-gray-500);
    line-height: 1.7;
    margin-bottom: var(--space-2xl);
}

.dynamics-stats {
    display: flex;
    gap: var(--space-3xl);
}

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

.stat-number {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 500;
    color: var(--color-secondary);
    line-height: 1;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--color-gray-400);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-top: var(--space-xs);
}

.chart-container {
    background: var(--color-off-white);
    border: 1px solid var(--color-gray-200);
    border-radius: 12px;
    padding: var(--space-xl);
}

.chart-header {
    display: flex;
    align-items: baseline;
    gap: var(--space-sm);
    margin-bottom: var(--space-xl);
}

.chart-value {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 500;
    color: var(--color-primary);
}

.chart-label {
    font-size: 0.8rem;
    color: var(--color-gray-400);
}

.chart-bars {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    height: 200px;
    padding: 0 var(--space-md);
    margin-bottom: var(--space-lg);
}

.chart-bar-group {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    flex: 1;
}

.chart-bar {
    width: 40px;
    background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    border-radius: 4px 4px 0 0;
    transition: all var(--transition-base);
}

.chart-bar-group:hover .chart-bar {
    background: linear-gradient(180deg, var(--color-secondary) 0%, var(--color-secondary-light) 100%);
}

.chart-bar-label {
    font-size: 0.75rem;
    color: var(--color-gray-400);
}

.chart-footer {
    font-size: 0.75rem;
    color: var(--color-gray-400);
    text-align: center;
}

/* ============================================
   Leaders Section
   ============================================ */
.leaders-section {
    position: relative;
    padding: var(--space-4xl) 0;
    min-height: 500px;
    display: flex;
    align-items: center;
}

.leaders-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
}

.leaders-background img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.leaders-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(10, 37, 64, 0.92) 0%, rgba(26, 74, 122, 0.88) 100%);
}

.leaders-content {
    position: relative;
    z-index: 10;
    max-width: 700px;
}

.leaders-content h2 {
    font-size: 2.5rem;
    color: var(--color-white);
    line-height: 1.2;
    margin-bottom: var(--space-lg);
}

.leaders-content p {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.7;
    margin-bottom: var(--space-2xl);
}

.leaders-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-xl);
    padding: var(--space-xl);
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.15);
}

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

.leader-stat-number {
    display: block;
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 500;
    color: var(--color-secondary-light);
    line-height: 1;
    margin-bottom: var(--space-xs);
}

.leader-stat-label {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.7);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ============================================
   Pipeline Section
   ============================================ */
.pipeline-section {
    padding: var(--space-4xl) 0;
    background: var(--color-off-white);
}

.pipeline-section h2 {
    font-size: 2.25rem;
    color: var(--color-primary);
    margin-bottom: var(--space-lg);
}

.pipeline-intro {
    font-size: 1rem;
    color: var(--color-gray-500);
    max-width: 700px;
    line-height: 1.7;
    margin-bottom: var(--space-3xl);
}

.pipeline-steps {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.pipeline-step {
    display: flex;
    align-items: flex-start;
    gap: var(--space-xl);
    padding: var(--space-lg);
    background: var(--color-white);
    border-radius: 8px;
    border-left: 4px solid var(--color-secondary);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.pipeline-step:hover {
    box-shadow: var(--shadow-md);
    transform: translateX(4px);
}

.step-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--color-primary);
    color: var(--color-white);
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    border-radius: 50%;
    flex-shrink: 0;
}

.step-content h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--space-sm);
}

.step-content p {
    font-size: 0.9rem;
    color: var(--color-gray-500);
    line-height: 1.6;
}

/* ============================================
   Research Depth Section
   ============================================ */
.research-depth {
    padding: var(--space-4xl) 0;
    background: var(--color-white);
}

.research-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: center;
}

.research-image {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.research-image img {
    width: 100%;
    height: auto;
}

.research-content h2 {
    font-size: 2.25rem;
    color: var(--color-primary);
    margin-bottom: var(--space-lg);
}

.research-content > p {
    font-size: 1rem;
    color: var(--color-gray-500);
    line-height: 1.7;
    margin-bottom: var(--space-2xl);
}

.research-services {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.service {
    padding-left: var(--space-lg);
    border-left: 3px solid var(--color-secondary);
}

.service h4 {
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--space-xs);
}

.service p {
    font-size: 0.875rem;
    color: var(--color-gray-500);
    line-height: 1.6;
}

/* ============================================
   Quote Section
   ============================================ */
.quote-section {
    padding: var(--space-4xl) 0;
    background: var(--color-gray-100);
    text-align: center;
}

.quote-section blockquote {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    font-style: italic;
    color: var(--color-primary);
    line-height: 1.4;
    margin-bottom: var(--space-lg);
}

.quote-section cite {
    font-family: var(--font-body);
    font-size: 0.8rem;
    font-style: normal;
    font-weight: 600;
    letter-spacing: 0.15em;
    color: var(--color-secondary);
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background: var(--color-primary);
    color: var(--color-white);
    padding: var(--space-4xl) 0 var(--space-xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-3xl);
    margin-bottom: var(--space-3xl);
}

.footer-brand {
    padding-right: var(--space-2xl);
}

.footer-brand .logo {
    margin-bottom: var(--space-lg);
}

.footer-brand p {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
}

.footer-links h4 {
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: var(--space-lg);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

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

.footer-links a {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
    transition: color var(--transition-fast);
}

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

.footer-disclaimer {
    padding: var(--space-xl);
    background: rgba(0, 0, 0, 0.2);
    border-radius: 8px;
    margin-bottom: var(--space-2xl);
}

.footer-disclaimer p {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.5);
    line-height: 1.7;
}

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

.footer-bottom p {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.5);
}

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

.footer-legal a {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.5);
}

.footer-legal a:hover {
    color: var(--color-secondary-light);
}

/* ============================================
   Responsive Styles
   ============================================ */
@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-2xl);
    }
    
    .insights-grid {
        grid-template-columns: 1fr;
    }
    
    .dynamics-content {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }
    
    .leaders-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .research-grid {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }
    
    .research-image {
        order: -1;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--color-primary);
        flex-direction: column;
        padding: var(--space-lg);
        gap: var(--space-md);
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-title {
        font-size: 2.25rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .section-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .dynamics-stats {
        flex-direction: column;
        gap: var(--space-lg);
    }
    
    .leaders-stats {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
    
    .leader-stat {
        text-align: left;
        padding: var(--space-sm) 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .leader-stat:last-child {
        border-bottom: none;
    }
    
    .chart-bars {
        height: 150px;
    }
    
    .chart-bar {
        width: 30px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-legal {
        flex-wrap: wrap;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    :root {
        --container-padding: 1rem;
    }
    
    .hero-title {
        font-size: 1.875rem;
    }
    
    .leaders-content h2,
    .dynamics-text h2 {
        font-size: 1.75rem;
    }
    
    .pipeline-step {
        flex-direction: column;
        gap: var(--space-md);
    }
    
    .quote-section blockquote {
        font-size: 1.25rem;
    }
}

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

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.hero-content {
    animation: fadeInUp 0.8s ease-out;
}

.feature-item {
    animation: fadeInUp 0.6s ease-out;
    animation-fill-mode: both;
}

.feature-item:nth-child(1) { animation-delay: 0.1s; }
.feature-item:nth-child(2) { animation-delay: 0.2s; }
.feature-item:nth-child(3) { animation-delay: 0.3s; }

/* Scroll animations - will be triggered by JS */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease-out;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}