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

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

:root {
    /* Color Palette - Professional & Clean */
    --primary-color: #2563eb;
    --primary-dark: #1e40af;
    --primary-light: #60a5fa;
    --secondary-color: #0f172a;
    --secondary-light: #1e293b;
    --accent-color: #06b6d4;
    
    /* Neutral Colors */
    --text-primary: #0f172a;
    --text-secondary: #64748b;
    --text-dark: #1e293b;
    --text-light: #94a3b8;
    --bg-white: #ffffff;
    --bg-light: #f1f5f9;
    --bg-dark: #0f172a;
    --border-color: #e2e8f0;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    --font-weight-light: 300;
    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* 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), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 250ms ease-in-out;
    --transition-slow: 350ms ease-in-out;
}

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

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

/* ========================================
   Typography
   ======================================== */

h1, h2, h3, h4, h5, h6 {
    font-weight: var(--font-weight-bold);
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.875rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
    line-height: 1.7;
}

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

a:hover {
    color: var(--primary-dark);
}

/* ========================================
   Layout Components
   ======================================== */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.navbar .container {
    max-width: 100%;
    padding: 0 20px;
}

.section {
    padding: var(--spacing-3xl) 0;
}

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

.section-about .section-subtitle {
    font-size: 1.375rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-3xl);
}

.section-title {
    font-size: 2.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--text-primary);
    font-weight: var(--font-weight-regular);
}

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

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: #000000;
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: all var(--transition-base);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

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

.logo {
    font-size: 1.25rem;
    font-weight: var(--font-weight-bold);
    color: #ffffff;
    text-decoration: none;
    display: flex;
    align-items: center;
}

.logo-img {
    height: 60px;
    width: auto;
    transition: opacity var(--transition-fast);
}

.logo:hover .logo-img {
    opacity: 0.8;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
    align-items: center;
    margin-left: auto;
}

.nav-link {
    font-size: 0.938rem;
    font-weight: var(--font-weight-medium);
    color: #ffffff;
    transition: color var(--transition-fast);
    padding: var(--spacing-xs) 0;
    position: relative;
}

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

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

.nav-link-cta {
    background-color: var(--primary-color);
    color: white;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-md);
}

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

.nav-link-cta:hover {
    background-color: var(--primary-dark);
    color: white;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.mobile-menu-toggle span {
    width: 25px;
    height: 2px;
    background-color: #ffffff;
    margin: 3px 0;
    transition: all var(--transition-base);
}

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

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: 
        linear-gradient(135deg, rgba(15, 23, 42, 0.4) 0%, rgba(30, 41, 59, 0.4) 100%),
        url('../graphics/banners/banner world map.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    color: white;
    overflow: hidden;
    padding-top: 80px;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(37, 99, 235, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(6, 182, 212, 0.15) 0%, transparent 50%);
    animation: pulse 15s ease-in-out infinite;
    pointer-events: none;
}

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

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
    text-align: center;
    background: rgba(15, 23, 42, 0.3);
    padding: var(--spacing-3xl);
    border-radius: var(--radius-xl);
    backdrop-filter: blur(10px);
}

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

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: var(--font-weight-medium);
    color: var(--primary-light);
    opacity: 0;
    animation: fadeInUp 0.8s ease-out 0.2s forwards;
}

.hero-main {
    font-size: 3.5rem;
    font-weight: var(--font-weight-bold);
    line-height: 1.1;
    color: #ffffff;
    opacity: 0;
    animation: fadeInUp 0.8s ease-out 0.4s forwards;
}

.hero-description {
    font-size: 1.25rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-xl);
    opacity: 0;
    animation: fadeInUp 0.8s ease-out 0.6s forwards;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    opacity: 0;
    animation: fadeInUp 0.8s ease-out 0.8s forwards;
}

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

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

.btn {
    display: inline-block;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: var(--font-weight-semibold);
    text-align: center;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    cursor: pointer;
    border: 2px solid transparent;
    line-height: 1.5;
    vertical-align: middle;
    box-sizing: border-box;
}

.btn-primary {
    background-color: transparent;
    color: white;
    border-color: white;
}

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

.btn-secondary {
    background-color: transparent;
    color: white;
    border-color: white;
}

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

/* ========================================
   About Section
   ======================================== */

.section-about {
    background-color: var(--bg-white);
}

.section-intro {
    font-size: 1.375rem;
    line-height: 1.8;
    color: var(--text-primary);
    text-align: center;
    margin-bottom: 0;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

/* ========================================
   Why TRC Section
   ======================================== */

.section-why-trc {
    background-color: var(--bg-light);
}

.section-why-trc .section-header {
    margin-bottom: var(--spacing-lg);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-xl);
}

.benefit-item {
    text-align: center;
    padding: var(--spacing-lg);
}

.benefit-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto var(--spacing-md) auto;
    color: var(--primary-color);
}

.benefit-icon svg {
    width: 100%;
    height: 100%;
}

.benefit-item h4 {
    font-size: 1.25rem;
    color: var(--text-primary);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-md);
}

.benefit-item p {
    color: #475569;
    line-height: 1.8;
    margin-bottom: 0;
}

/* ========================================
   Platform Section
   ======================================== */

.section-platform {
    background-color: var(--bg-white);
}

.section-platform .section-subtitle {
    font-size: 1.5rem;
    font-weight: var(--font-weight-medium);
}

.workflow-title {
    text-align: center;
    font-size: 2rem;
    margin-bottom: var(--spacing-xl);
    color: var(--text-primary);
}

.workflow-steps {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-3xl);
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.workflow-step {
    flex: 1;
    min-width: 120px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #7c3aed, #5b21b6);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    margin: 0 auto var(--spacing-md);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    cursor: pointer;
    position: relative;
}

.step-number::before {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    border: 3px solid transparent;
    transition: all var(--transition-base);
}

.step-number:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-lg);
}

.step-number:hover::before {
    border-color: #7c3aed;
}

.workflow-step.active .step-number {
    background: linear-gradient(135deg, #10b981, #06b6d4);
    transform: scale(1.15);
    box-shadow: var(--shadow-lg);
}

.step-content h4 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xs);
    color: var(--text-dark);
    min-height: 1.5rem;
}

.step-content p {
    font-size: 0.875rem;
    color: var(--text-dark);
    margin-bottom: 0;
}

.workflow-arrow {
    font-size: 2rem;
    color: var(--primary-color);
    font-weight: var(--font-weight-bold);
}

/* Platform Slider */
.platform-slider {
    margin-top: var(--spacing-3xl);
    margin-bottom: var(--spacing-3xl);
}

.slider-container {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0;
    overflow: hidden;
}

.slider-wrapper {
    overflow: visible;
    border-radius: 0;
    padding: 80px 0;
    margin-top: -80px;
}

.slider-track {
    display: flex;
    transition: transform 0.5s ease-in-out;
}

.slider-slide {
    min-width: 100%;
    width: 100%;
    position: relative;
    padding-top: 0;
    filter: none;
}

.slider-slide.no-header {
    padding-top: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    filter: none;
    background: #ffffff !important;
    box-shadow: none !important;
    width: 100%;
    min-height: 400px;
}

.slider-slide.no-header::before,
.slider-slide.no-header::after {
    display: none !important;
}

.slider-slide.no-header img {
    border-radius: 0;
    border: none;
    width: 25%;
    box-shadow: none !important;
    background: #ffffff;
}

.slider-slide.slide-text {
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 400px;
    background: linear-gradient(135deg, #f8fafc 0%, #e0e7ff 100%);
    border-radius: var(--radius-lg);
    filter: none;
}

.slider-slide.slide-text::before,
.slider-slide.slide-text::after {
    display: none;
}

.slider-slide img {
    width: 100%;
    height: auto;
    object-fit: contain;
    display: block;
    border-radius: 0;
    border: none;
    max-width: none;
}

.slider-slide::before,
.slider-slide::after {
    display: none;
}

.slide-caption {
    text-align: center;
    margin-top: var(--spacing-md);
    font-size: 1.125rem;
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
}

.slider-slide.slide-text .slide-content {
    max-width: 900px;
    padding: var(--spacing-3xl);
    text-align: center;
}

.slider-slide.slide-text .slide-content p {
    font-size: 2rem;
    line-height: 1.5;
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    margin: 0;
}

.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: white;
    border: 2px solid var(--border-color);
    border-radius: 50%;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-base);
    z-index: 10;
    color: var(--text-primary);
}

.slider-btn:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
    transform: translateY(-50%) scale(1.1);
}

.slider-btn-prev {
    left: 0;
}

.slider-btn-next {
    right: 0;
}

.slider-dots {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.slider-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--border-color);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
}

.slider-dot:hover {
    background: var(--primary-light);
}

.slider-dot.active {
    background: var(--primary-color);
    transform: scale(1.2);
}

/* Text-based slider navigation for insights */
.slider-nav-text {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
    flex-wrap: wrap;
}

.slider-nav-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: transparent;
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    border-radius: var(--radius-md);
    max-width: 300px;
}

.slider-nav-item:hover {
    background: var(--background-light);
}

.slider-nav-item.active {
    background: rgba(148, 163, 184, 0.06);
}

.nav-number {
    font-size: 0.875rem;
    font-weight: var(--font-weight-bold);
    color: var(--primary-color);
    opacity: 0.6;
    transition: all var(--transition-base);
}

.slider-nav-item.active .nav-number {
    opacity: 1;
}

.nav-title {
    font-size: 1rem;
    font-weight: var(--font-weight-medium);
    color: var(--text-dark);
    text-align: left;
    line-height: 1.4;
    transition: color var(--transition-base);
}

.slider-nav-item.active .nav-title {
    color: var(--text-dark);
    font-weight: var(--font-weight-semibold);
}

@media (max-width: 768px) {
    .slider-nav-text {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .slider-nav-item {
        max-width: 100%;
        width: 100%;
    }
    
    .slider-dots {
        display: none;
        margin-top: 0;
    }
    
    /* Mobile menu */
    .nav-menu {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav-menu.active {
        display: flex;
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        flex-direction: column;
        background-color: var(--bg-dark);
        padding: var(--spacing-lg);
        box-shadow: var(--shadow-lg);
        z-index: 999;
    }
    
    .nav-menu.active li {
        margin: 0;
        width: 100%;
    }
    
    .nav-menu.active .nav-link {
        display: block;
        padding: var(--spacing-md);
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    /* Platform slider spacing fix */
    .platform-slider {
        margin-top: var(--spacing-xl);
        margin-bottom: var(--spacing-xl);
    }
    
    .section-platform {
        padding-bottom: var(--spacing-xl);
    }
    
    /* Hide Services section completely on mobile */
    .section-services {
        display: none;
    }
    
    /* Hide contact departments on mobile */
    .contact-departments {
        display: none;
    }
    
    /* Reduce font size in platform slider text slide */
    .slider-slide.slide-text {
        min-height: 250px;
    }
    
    .slider-slide.slide-text .slide-content {
        padding: var(--spacing-xl);
    }
    
    .slider-slide.slide-text .slide-content p {
        font-size: 1rem;
        line-height: 1.6;
    }
    
    .service-grid {
        grid-template-columns: 1fr;
    }
    
    .service-feature {
        width: 100%;
    }
    
    .insights-track .slider-slide {
        flex-direction: column;
        padding: var(--spacing-lg);
        gap: var(--spacing-lg);
    }
    
    .insights-track .slider-slide a,
    .insights-track .slider-slide > img {
        width: 100%;
    }
}

.platform-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-3xl);
}

.feature-card {
    background: var(--bg-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

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

.feature-icon {
    font-size: 2.5rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    color: var(--text-primary);
}

.feature-card h4 {
    font-size: 1rem;
    color: var(--primary-color);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-md);
}

.feature-card p {
    color: var(--text-dark);
    line-height: 1.8;
}

/* ========================================
   Services Section
   ======================================== */

.section-services {
    background-color: var(--bg-light);
}

.section-services .section-subtitle {
    font-size: 1.5rem;
    font-weight: var(--font-weight-medium);
}

.services-tabs {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: var(--spacing-3xl);
    align-items: start;
}

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

.tab-button {
    padding: var(--spacing-md) var(--spacing-xl);
    background-color: var(--bg-light);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: var(--font-weight-semibold);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-base);
}

.tab-button:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.tab-button.active {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

.tab-panel {
    display: none;
    animation: fadeIn 0.5s ease-in-out;
}

.tab-panel.active {
    display: block;
}

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

.service-intro {
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--text-dark);
    margin-bottom: var(--spacing-xl);
    font-weight: var(--font-weight-medium);
}

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

.service-feature {
    padding: var(--spacing-md);
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--primary-color);
}

.service-feature h4 {
    font-size: 1.25rem;
    color: var(--text-dark);
    margin-bottom: var(--spacing-xs);
}

.service-feature p {
    color: var(--text-dark);
    line-height: 1.6;
    margin: 0;
}

/* ========================================
   Insights Section
   ======================================== */

.section-insights {
    background-color: var(--bg-white);
}

.section-insights .section-subtitle {
    font-size: 1.5rem;
    font-weight: var(--font-weight-medium);
}

.insights-slider {
    margin-top: var(--spacing-3xl);
    max-width: 1400px;
    margin-left: auto;
    margin-right: auto;
}

.insights-track .slider-slide {
    display: flex;
    gap: var(--spacing-xl);
    align-items: center;
    padding: var(--spacing-xl) var(--spacing-xl);
    background: var(--bg-light);
    border-radius: var(--radius-lg);
}

.insights-track .slider-slide.slide-dark {
    background: #1e293b;
}

.insights-track .slider-slide.slide-dark .insight-content h3 {
    color: white;
}

.insights-track .slider-slide.slide-dark .insight-content p {
    color: #cbd5e1;
}

.insights-track .slider-slide.slide-dark .insight-link {
    color: #60a5fa;
}

.insights-track .slider-slide::before,
.insights-track .slider-slide::after {
    display: none;
}

.insights-track .slider-slide a {
    width: 50%;
    flex-shrink: 0;
}

.insights-track .slider-slide > img {
    width: 50%;
    flex-shrink: 0;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border: none;
    transition: transform var(--transition-base);
}

.insights-track .slider-slide a img {
    width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border: none;
    transition: transform var(--transition-base);
    cursor: pointer;
}

.insights-track .slider-slide a:hover img {
    transform: scale(1.02);
}

.insight-content {
    flex: 1;
}

.insight-content h3 {
    font-size: 1.75rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    line-height: 1.3;
}

.insight-content p {
    color: var(--text-dark);
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
    font-size: 1.0625rem;
}

.insight-link {
    display: inline-block;
    color: var(--primary-color);
    font-weight: var(--font-weight-semibold);
    transition: transform var(--transition-fast);
    text-decoration: none;
    white-space: nowrap;
}

/* Three column grid for company page */
.three-column-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-3xl);
}

.three-column-grid .column h3 {
    color: var(--text-dark);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
}

.three-column-grid .column p {
    color: var(--text-dark);
    line-height: 1.7;
}

@media (max-width: 992px) {
    .three-column-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
}

/* Backstory letter styling */
.backstory-letter {
    background: linear-gradient(135deg, #f0f4f9, #eef2f6 48%, #f7f9fb);
    border: 1px solid #e1e8ef;
    border-radius: 18px;
    padding: 2.5rem 2.25rem 3rem;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 18px -6px rgba(0, 0, 0, 0.15), 0 2px 6px rgba(0, 0, 0, 0.05);
    margin-bottom: var(--spacing-3xl);
}

.backstory-letter:before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 78% 18%, rgba(11, 91, 211, 0.12), transparent 60%),
                linear-gradient(125deg, rgba(11, 91, 211, 0.06), rgba(104, 167, 255, 0.04));
    pointer-events: none;
}

.founder-photo {
    width: 110px;
    height: 110px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid #e1e8ef;
    box-shadow: 0 4px 14px -4px rgba(0, 0, 0, 0.25);
    margin: 0 auto 1.15rem;
    display: block;
}

.drop-cap {
    float: left;
    font-size: 3.4rem;
    line-height: 0.9;
    padding: 0 0.55rem 0 0;
    font-weight: 600;
    font-family: Georgia, Times, serif;
    color: var(--primary-color);
    margin-top: 0.2rem;
}

.backstory-letter p {
    position: relative;
    margin-bottom: 1.3rem;
    font-size: 1.02rem;
    line-height: 1.7;
    color: var(--text-dark);
}

.backstory-letter p:last-of-type {
    margin-bottom: 0;
}

.signature-block {
    margin-top: 2.4rem;
    padding-top: 1.4rem;
    border-top: 1px solid #d5dde5;
    display: flex;
    flex-wrap: wrap;
    gap: 0.85rem 1.75rem;
    align-items: center;
}

.sig-name {
    font-weight: 600;
    font-size: 1.05rem;
    letter-spacing: 0.25px;
    color: #4a5865;
}

.sig-title {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: #4a5865;
    font-weight: 600;
}

.linkedin-btn {
    font-size: 0.8rem;
    text-decoration: none;
    background: var(--primary-color);
    color: white;
    padding: 0.4rem 0.7rem 0.38rem;
    border-radius: 6px;
    font-weight: 600;
    letter-spacing: 0.5px;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    box-shadow: 0 2px 6px -2px rgba(0, 0, 0, 0.3);
    transition: all var(--transition-base);
}

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

.linkedin-btn:active {
    transform: translateY(-1px);
}

@media (max-width: 768px) {
    .founder-photo {
        width: 95px;
        height: 95px;
        margin: 0 auto 1rem;
    }
    
    .backstory-letter {
        padding: 1.6rem 1.25rem 2.3rem;
        border-radius: 15px;
    }
}

.insight-link:hover {
    transform: translateX(5px);
}

.insight-cta {
    font-weight: var(--font-weight-semibold);
    color: var(--primary-color);
    margin-bottom: 0 !important;
}

/* ========================================
   Insight Page Styles
   ======================================== */

.insight-page {
    padding-top: 80px;
}

.section-insight-hero {
    background: linear-gradient(135deg, #1e3a8a, #3b82f6);
    color: white;
    padding: var(--spacing-3xl) 0;
}

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

.insight-category {
    font-size: 0.875rem;
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-sm);
    opacity: 0.9;
    color: white;
}

.insight-title {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
    line-height: 1.2;
    color: white;
}

.insight-subtitle {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-xs);
    font-weight: var(--font-weight-medium);
    color: white;
}

.insight-date {
    font-size: 1rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.95;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: white;
    font-weight: var(--font-weight-semibold);
}

.btn-download {
    display: inline-block;
    padding: var(--spacing-md) var(--spacing-xl);
    background: white;
    color: var(--primary-color);
    border-radius: var(--radius-md);
    font-weight: var(--font-weight-semibold);
    text-decoration: none;
    transition: all var(--transition-base);
}

.btn-download:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.section-insight-content {
    background: var(--bg-white);
    padding: var(--spacing-3xl) 0;
}

.insight-content-wrapper {
    max-width: 800px;
    margin: 0 auto;
}

.insight-article {
    line-height: 1.8;
}

.insight-article h2 {
    font-size: 2rem;
    color: var(--text-primary);
    margin-top: var(--spacing-2xl);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-sm);
    border-bottom: 3px solid var(--primary-color);
}

.insight-article h3 {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
}

.insight-article h4 {
    font-size: 1.25rem;
    color: var(--text-primary);
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
}

.insight-article p {
    margin-bottom: var(--spacing-lg);
    color: var(--text-dark);
}

.insight-article ol,
.insight-article ul {
    margin-bottom: var(--spacing-lg);
    margin-left: var(--spacing-xl);
    color: var(--text-dark);
}

.insight-article li {
    margin-bottom: var(--spacing-sm);
}

.insight-article strong {
    color: var(--text-primary);
    font-weight: var(--font-weight-semibold);
}

.cta-section {
    background: var(--bg-light);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-lg);
    margin: var(--spacing-3xl) 0;
}

.cta-section h2 {
    border-bottom: none;
    margin-top: 0;
}

.sources-section {
    margin-top: var(--spacing-3xl);
    padding-top: var(--spacing-2xl);
    border-top: 2px solid var(--border-color);
}

.sources-list {
    list-style: none;
    margin-left: 0;
}

.sources-list li {
    margin-bottom: var(--spacing-lg);
    padding-left: var(--spacing-md);
    border-left: 3px solid var(--primary-color);
}

.sources-list a {
    color: var(--primary-color);
    text-decoration: none;
    word-break: break-all;
}

.sources-list a:hover {
    text-decoration: underline;
}

.disclaimer {
    font-size: 0.875rem;
    font-style: italic;
    color: var(--text-light);
    margin-top: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: var(--bg-light);
    border-radius: var(--radius-md);
}

.back-link {
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--border-color);
}

.back-link a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    transition: transform var(--transition-fast);
    display: inline-block;
}

.back-link a:hover {
    transform: translateX(-5px);
}

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

.section-contact {
    background-color: var(--bg-light);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    max-width: 1000px;
    margin: 0 auto;
}

.contact-info h3 {
    font-size: 1.875rem;
    margin-bottom: var(--spacing-md);
}

.contact-info p {
    margin-bottom: var(--spacing-xl);
    color: var(--text-dark);
}

.contact-departments {
    display: grid;
    gap: var(--spacing-lg);
}

.department h4 {
    font-size: 1rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.department a {
    color: var(--primary-color);
    font-weight: var(--font-weight-medium);
}

.contact-form-wrapper {
    background: var(--bg-light);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
}

.contact-form {
    display: grid;
    gap: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-size: 0.938rem;
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.form-group input,
.form-group textarea {
    padding: var(--spacing-md);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group textarea {
    resize: vertical;
}

.form-message {
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 8px;
    font-size: 0.95rem;
    display: none;
}

.form-message.success {
    display: block;
    background-color: #d1fae5;
    color: #065f46;
    border: 1px solid #10b981;
}

.form-message.error {
    display: block;
    background-color: #fee2e2;
    color: #991b1b;
    border: 1px solid #ef4444;
}

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

.contact-form .btn-primary:hover {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
}

/* ========================================
   Additional Company Details Section
   ======================================== */

.section-company-details {
    background-color: var(--bg-white);
}

.accordion-wrapper {
    max-width: 800px;
    margin: 0 auto;
}

.accordion-item {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-md);
    overflow: hidden;
    transition: all var(--transition-base);
}

.accordion-item:hover {
    box-shadow: var(--shadow-md);
}

.accordion-item:hover .accordion-content {
    max-height: 1000px;
}

.accordion-item:hover .accordion-header .accordion-icon {
    transform: rotate(180deg);
}

.accordion-header {
    width: 100%;
    padding: var(--spacing-lg) var(--spacing-xl);
    background: var(--bg-white);
    border: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-size: 1.25rem;
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    text-align: left;
    transition: all var(--transition-base);
}

.accordion-header:hover {
    background: var(--bg-light);
}

.accordion-header[aria-expanded="true"] {
    border-bottom: 1px solid var(--border-color);
}

.accordion-icon {
    transition: transform var(--transition-base);
    flex-shrink: 0;
    color: var(--primary-color);
}

.accordion-header[aria-expanded="true"] .accordion-icon {
    transform: rotate(180deg);
}

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

.accordion-content p {
    padding: var(--spacing-lg) var(--spacing-xl);
    margin: 0;
    line-height: 1.8;
    color: var(--text-secondary);
}

.accordion-content p + p {
    padding-top: 0;
}

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

.footer {
    background-color: var(--bg-dark);
    color: rgba(255, 255, 255, 0.8);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

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

.footer-col h4 {
    color: white;
    font-size: 1.125rem;
    margin-bottom: var(--spacing-md);
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: var(--spacing-sm);
}

.footer-col a {
    color: rgba(255, 255, 255, 0.7);
    transition: color var(--transition-fast);
}

.footer-col a:hover {
    color: var(--primary-light);
}

.footer-description {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
}

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

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    margin: 0;
}

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

.footer-links a {
    color: rgba(255, 255, 255, 0.6);
}

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

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

@media (max-width: 968px) {
    .nav-menu {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero-main {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.25rem;
    }
    
    .workflow-arrow {
        display: none;
    }
    
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
    
    .platform-features {
        grid-template-columns: 1fr;
    }
    
    .slider-container {
        padding: 0 50px;
    }
    
    .slider-btn {
        width: 40px;
        height: 40px;
    }
}

@media (max-width: 640px) {
    * {
        max-width: 100%;
    }
    
    body {
        overflow-x: hidden;
    }
    
    .hero {
        min-height: 60vh;
        background-image: none;
        background: linear-gradient(135deg, rgba(15, 23, 42, 0.95) 0%, rgba(30, 41, 59, 0.95) 100%);
    }
    
    .hero-content {
        padding: var(--spacing-md);
        max-width: 100%;
    }
    
    .container {
        padding: 0 var(--spacing-sm);
        max-width: 100%;
    }
    
    .section {
        padding: var(--spacing-2xl) 0;
    }
    
    .section-platform {
        padding-bottom: var(--spacing-lg);
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .hero-main {
        font-size: 2rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
    
    .slider-container {
        padding: 0;
    }
    
    .slider-slide {
        padding-top: 20px;
    }
    
    .slider-btn {
        width: 36px;
        height: 36px;
    }
    
    .slide-caption {
        font-size: 0.938rem;
    }
}

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

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

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

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

/* ========================================
   Modal
   ======================================== */

.modal {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.6);
    animation: fadeIn 0.3s ease;
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: white;
    margin: 2rem;
    padding: 2rem;
    border-radius: var(--radius-lg);
    max-width: 700px;
    max-height: 85vh;
    overflow-y: auto;
    position: relative;
    box-shadow: var(--shadow-xl);
    animation: slideIn 0.3s ease;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--border-color);
}

.modal-header h2 {
    margin: 0;
    color: var(--text-dark);
    font-size: 1.75rem;
}

.modal-close {
    background: none;
    border: none;
    font-size: 2rem;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.modal-close:hover {
    background-color: var(--background-light);
    color: var(--text-dark);
}

.modal-body {
    color: var(--text-secondary);
    line-height: 1.7;
}

.modal-body h3 {
    color: var(--text-dark);
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
    font-size: 1.25rem;
}

.modal-body p {
    margin-bottom: 1rem;
}

.modal-body a {
    color: var(--primary-color);
    text-decoration: underline;
}

.modal-body a:hover {
    color: var(--primary-dark);
}

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

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}