/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Databricks-inspired color scheme */
    --primary-color: #FF6B00;
    --primary-dark: #E85D00;
    --primary-light: #FF8533;
    --secondary-color: #1B3139;
    --secondary-dark: #0F1F25;
    --secondary-light: #2A454F;
    
    /* Text colors matching Databricks */
    --text-primary: #1B3139;
    --text-secondary: #5A6C75;
    --text-light: #8A9BA5;
    --text-white: #FFFFFF;
    --text-accent: #FF6B00;
    
    /* Background colors */
    --bg-primary: #FFFFFF;
    --bg-secondary: #F8FAFB;
    --bg-dark: #1B3139;
    --bg-card: #FFFFFF;
    --bg-accent: #FFF4ED;
    
    /* Border and shadows */
    --border-color: #E5EBF0;
    --border-light: #F0F4F7;
    --shadow-sm: 0 1px 3px rgba(27, 49, 57, 0.1);
    --shadow-md: 0 4px 12px rgba(27, 49, 57, 0.15);
    --shadow-lg: 0 10px 40px rgba(27, 49, 57, 0.2);
    
    /* Typography */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;
    
    /* Transitions */
    --transition-smooth: all 0.2s ease-in-out;
    --transition-bounce: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    
    /* Layout */
    --container-width: 1200px;
    --section-padding: 80px 0;
    --border-radius: 8px;
    --border-radius-lg: 16px;
    
    /* Missing accents & effects */
    --accent-color: #4facfe;
    --primary-gradient: linear-gradient(135deg, #FF6B00 0%, #FF8533 100%);
    --accent-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --secondary-gradient: linear-gradient(135deg, #1B3139 0%, #2A454F 100%);
    --bg-glass: rgba(255, 255, 255, 0.6);
    --shadow-light: 0 8px 24px rgba(27, 49, 57, 0.12);
    --shadow-heavy: 0 18px 60px rgba(27, 49, 57, 0.25);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Skip link */
.skip-link {
    position: absolute;
    left: -9999px;
    top: auto;
    width: 1px;
    height: 1px;
    overflow: hidden;
}
.skip-link:focus {
    position: fixed;
    left: 16px;
    top: 16px;
    width: auto;
    height: auto;
    padding: 10px 14px;
    background: var(--primary-color);
    color: var(--text-white);
    border-radius: 6px;
    z-index: 2000;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: var(--transition-smooth);
    box-shadow: var(--shadow-sm);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
    height: 80px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-img {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.nav-logo h2 {
    color: var(--text-primary);
    font-size: 24px;
    font-weight: 700;
    margin: 0;
}

.nav-logo h2 a {
    color: inherit;
    text-decoration: none;
}

.nav-menu {
    display: flex;
    gap: 0;
    align-items: center;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
    transition: var(--transition-smooth);
    position: relative;
    padding: 28px 16px;
    display: flex;
    align-items: center;
}

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

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--primary-color);
    transform: scaleX(0);
    transition: transform 0.2s ease-in-out;
    transform-origin: left;
}

.nav-link:hover::after,
.nav-link.active::after {
    transform: scaleX(1);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 8px;
}

.bar {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    margin: 3px 0;
    transition: var(--transition-smooth);
    border-radius: 2px;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: var(--bg-primary);
    padding-top: 80px;
}

/* Ensure sections don't hide under fixed navbar when using anchor links */
section[id] {
    scroll-margin-top: 100px;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
}

/* Simplified background pattern */
.tech-grid {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.05;
    background-image: 
        linear-gradient(var(--border-color) 1px, transparent 1px),
        linear-gradient(90deg, var(--border-color) 1px, transparent 1px);
    background-size: 60px 60px;
}

.floating-nodes {
    display: none; /* Simplified design (JS adjusted to not animate hidden nodes) */
}

.hero-content {
    text-align: center;
    max-width: 800px;
    padding: 0 24px;
    animation: fadeInUp 1s ease-out;
}

.hero-title {
    font-size: 64px;
    font-weight: 700;
    margin-bottom: 24px;
    line-height: 1.1;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.gradient-text {
    color: var(--primary-color);
}

.hero-subtitle {
    font-size: 20px;
    color: var(--text-secondary);
    margin-bottom: 48px;
    line-height: 1.5;
    font-weight: 400;
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Hero highlights */
.hero-highlights {
    margin: 32px auto 0;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    max-width: 880px;
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    text-decoration: none;
    color: var(--text-primary);
    transition: var(--transition-smooth);
}

.highlight-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: rgba(102, 126, 234, 0.35);
}

.highlight-item i {
    color: var(--text-accent);
    font-size: 18px;
}

.highlight-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.highlight-title {
    font-weight: 600;
    font-size: 14px;
}

.highlight-meta {
    color: var(--text-secondary);
    font-size: 12px;
}

.cta-btn {
    padding: 16px 32px;
    border: 1px solid transparent;
    border-radius: var(--border-radius);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-smooth);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    position: relative;
    min-height: 48px;
    white-space: nowrap;
}

.cta-btn.primary {
    background: var(--primary-color);
    color: var(--text-white);
    box-shadow: var(--shadow-sm);
}

.cta-btn.primary:hover {
    background: var(--primary-dark);
    box-shadow: var(--shadow-md);
}

.cta-btn.secondary {
    background: var(--bg-primary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.cta-btn.secondary:hover {
    background: var(--bg-secondary);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.cta-btn.large {
    padding: 20px 40px;
    font-size: 18px;
}

.cta-btn:hover {
    transform: translateY(-1px);
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
    cursor: pointer;
    z-index: 10;
}

.scroll-arrow {
    width: 24px;
    height: 24px;
    border-right: 2px solid var(--text-secondary);
    border-bottom: 2px solid var(--text-secondary);
    transform: rotate(45deg);
    transition: var(--transition-smooth);
}

.scroll-indicator:hover .scroll-arrow {
    border-color: var(--primary-color);
}

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

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Section Styles */
.section-title {
    font-size: 48px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 16px;
    color: var(--text-primary);
    line-height: 1.2;
    letter-spacing: -0.01em;
}

.section-subtitle {
    font-size: 20px;
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 64px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.5;
    font-weight: 400;
}

/* About Section */
.about {
    padding: var(--section-padding);
    background: var(--bg-secondary);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-text .section-title {
    text-align: left;
    margin-bottom: 24px;
}

.about-text .section-subtitle {
    text-align: left;
    margin-bottom: 48px;
}

.about-features {
    display: flex;
    flex-direction: column;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 24px;
}

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

.feature-item i {
    font-size: 28px;
    color: var(--primary-color);
    margin-top: 2px;
    flex-shrink: 0;
    width: 32px;
    text-align: center;
}

.feature-content {
    flex: 1;
}

.feature-item h4 {
    font-size: 20px;
    margin-bottom: 12px;
    color: var(--text-primary);
    font-weight: 600;
    line-height: 1.3;
}

.feature-item p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin: 0;
}

.about-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.capabilities-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(220px, 1fr));
    gap: 20px;
}

.capability-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-bounce);
}

.capability-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

.capability-icon {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.capability-icon i {
    font-size: 20px;
}

.capability-card h4 {
    font-size: 18px;
    margin-bottom: 8px;
    font-weight: 700;
}

.capability-card p {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 12px;
}

.capability-card ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 8px;
}

.capability-card li {
    font-size: 13px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.capability-card li::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--primary-color);
    display: inline-block;
}

/* Accented icon backgrounds per capability */
.capability-card.ai .capability-icon { background: var(--primary-gradient); }
.capability-card.iot .capability-icon { background: var(--accent-gradient); }
.capability-card.data .capability-icon { background: linear-gradient(135deg, #00c6ff 0%, #0072ff 100%); }
.capability-card.cloud .capability-icon { background: linear-gradient(135deg, #a1c4fd 0%, #c2e9fb 100%); }

.tech-illustration {
    position: relative;
    width: 300px;
    height: 300px;
}

.central-hub {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    background: var(--primary-gradient);
    border-radius: 50%;
    box-shadow: 0 0 30px rgba(102, 126, 234, 0.5);
    animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); }
    50% { transform: translate(-50%, -50%) scale(1.1); }
}

.connection-lines {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.line {
    position: absolute;
    background: var(--accent-gradient);
    height: 2px;
    transform-origin: left center;
}

.line-1 {
    top: 50%;
    left: 50%;
    width: 100px;
    transform: translate(-50%, -50%) rotate(0deg);
}

.line-2 {
    top: 50%;
    left: 50%;
    width: 100px;
    transform: translate(-50%, -50%) rotate(90deg);
}

.line-3 {
    top: 50%;
    left: 50%;
    width: 100px;
    transform: translate(-50%, -50%) rotate(180deg);
}

.line-4 {
    top: 50%;
    left: 50%;
    width: 100px;
    transform: translate(-50%, -50%) rotate(270deg);
}

.tech-nodes {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.tech-node {
    position: absolute;
    width: 60px;
    height: 60px;
    background: var(--bg-card);
    border: 2px solid var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 12px;
    box-shadow: var(--shadow-sm);
}

.ai-node {
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    color: var(--primary-color);
}

.iot-node {
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    color: var(--primary-color);
}

.data-node {
    top: 50%;
    left: 0;
    transform: translateY(-50%);
    color: var(--primary-color);
}

.cloud-node {
    top: 50%;
    right: 0;
    transform: translateY(-50%);
    color: var(--primary-color);
}

@keyframes rotate {
    0% { 
        transform: rotate(0deg); 
    }
    100% { 
        transform: rotate(360deg); 
    }
}

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

.solutions-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
}

.solutions-benefits {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
    margin: 20px 0 32px;
}

@media (max-width: 768px) {
    .solutions-benefits {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }
}

@media (max-width: 480px) {
    .solutions-benefits {
        grid-template-columns: 1fr;
        gap: 8px;
    }
}

.solutions-benefits .benefit {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-secondary);
    font-size: 14px;
    white-space: nowrap;
}

@media (max-width: 768px) {
    .solutions-benefits .benefit {
        padding: 8px 10px;
        font-size: 13px;
        gap: 8px;
    }
}

@media (max-width: 480px) {
    .solutions-benefits .benefit {
        white-space: normal;
        text-align: center;
        justify-content: center;
    }
}

.solutions-benefits .benefit i {
    color: var(--text-accent);
    font-size: 16px;
}

.solution-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 40px;
    transition: var(--transition-smooth);
    position: relative;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
}

.solution-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.card-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 32px;
}

.card-icon {
    font-size: 32px;
    color: var(--primary-color);
}

.card-header h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
}

.solution-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 24px;
    padding: 16px;
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    transition: var(--transition-smooth);
}

.solution-item:hover {
    background: var(--bg-accent);
    transform: translateX(2px);
}

.solution-item i {
    font-size: 20px;
    color: var(--primary-color);
    margin-top: 2px;
    flex-shrink: 0;
}

.solution-item h4 {
    font-size: 16px;
    margin-bottom: 4px;
    color: var(--text-primary);
    font-weight: 600;
}

.solution-item p {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.5;
}

.solution-card .card-content {
    display: flex;
    flex-direction: column;
    gap: 12px;
    flex: 1;
}

.solution-meta {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: auto;
}

.solution-footer {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.cta-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    border-radius: 10px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    text-decoration: none;
    transition: var(--transition-smooth);
}

.cta-link:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

/* Products Section */
.products {
    padding: var(--section-padding);
    background: var(--bg-secondary);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
    gap: 32px;
    margin-bottom: 64px;
}

.products-benefits {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
    margin: 20px 0 32px;
}

@media (max-width: 768px) {
    .products-benefits {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }
}

@media (max-width: 480px) {
    .products-benefits {
        grid-template-columns: 1fr;
        gap: 8px;
    }
}

.products-benefits .benefit {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-secondary);
    font-size: 14px;
    white-space: nowrap;
}

@media (max-width: 768px) {
    .products-benefits .benefit {
        padding: 8px 10px;
        font-size: 13px;
        gap: 8px;
    }
}

@media (max-width: 480px) {
    .products-benefits .benefit {
        white-space: normal;
        text-align: center;
        justify-content: center;
    }
}

.products-benefits .benefit i {
    color: var(--text-accent);
    font-size: 16px;
}

.product-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    transition: var(--transition-smooth);
    position: relative;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.product-header {
    position: relative;
    padding: 20px 24px 12px;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.product-icon {
    width: 48px;
    height: 48px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: var(--text-white);
    box-shadow: var(--shadow-sm);
}

.product-status {
    background: #10b981;
    color: var(--text-white);
    padding: 4px 12px;
    border-radius: var(--border-radius);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
}

.product-content {
    padding: 0 24px 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    flex: 1;
}

.product-content h3 {
    font-size: 18px;
    margin-bottom: 12px;
    font-weight: 700;
    color: var(--text-primary);
}

.product-description {
    color: var(--text-secondary);
    margin-bottom: 16px;
    line-height: 1.5;
    font-size: 14px;
}

.product-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.product-features .feature {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
    padding: 0.4rem 0.5rem;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 8px;
    transition: var(--transition-smooth);
}

.product-features .feature:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateX(3px);
}

.product-features .feature i {
    color: var(--text-accent);
    font-size: 1rem;
}

.product-tech {
    margin-bottom: 1rem;
}

.product-tech h4 {
    font-size: 0.95rem;
    margin-bottom: 0.5rem;
    color: var(--text-accent);
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tech-tag {
    background: rgba(102, 126, 234, 0.1);
    color: var(--text-accent);
    padding: 0.2rem 0.6rem;
    border-radius: 10px;
    font-size: 0.75rem;
    font-weight: 500;
    border: 1px solid rgba(102, 126, 234, 0.2);
}

.product-footer {
    display: flex;
    gap: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
    margin-top: auto;
}

.product-impact {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    color: var(--primary-color);
    background: rgba(79, 172, 254, 0.08);
    border: 1px solid rgba(79, 172, 254, 0.25);
    padding: 4px 8px;
    border-radius: 8px;
    width: fit-content;
}

.product-btn {
    flex: 1;
    padding: 0.6rem 1.25rem;
    border: none;
    border-radius: 25px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-smooth);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    text-decoration: none;
    font-size: 0.85rem;
}

.product-btn.primary {
    background: var(--primary-gradient);
    color: var(--text-primary);
    box-shadow: var(--shadow-light);
}

.product-btn.secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.product-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-heavy);
}

.product-btn.secondary:hover {
    background: var(--bg-glass);
    border-color: rgba(255, 255, 255, 0.3);
}

.products-cta {
    text-align: center;
    padding: 3rem;
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: 20px;
}

.products-cta h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.products-cta p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

/* Learn Section */
.learn {
    padding: var(--section-padding);
    background: var(--bg-primary);
}

.courses-container {
    position: relative;
    margin-bottom: 80px;
}

.courses-navigation {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    margin-bottom: 32px;
}

.course-nav-btn {
    width: 48px;
    height: 48px;
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-smooth);
    color: var(--text-secondary);
}

.course-nav-btn:hover:not(:disabled) {
    background: var(--primary-color);
    color: var(--text-white);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-sm);
}

.course-nav-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.course-nav-btn i {
    font-size: 16px;
}

.courses-grid {
    display: flex;
    gap: 32px;
    overflow: hidden;
    position: relative;
    width: 100%;
    transition: transform 0.3s ease-in-out;
}

.course-card {
    flex: 0 0 calc(33.333% - 21.33px); /* 3 cards per view on desktop */
    max-width: calc(33.333% - 21.33px);
}

/* Responsive course cards */
@media (max-width: 1200px) {
    .course-card {
        flex: 0 0 calc(50% - 16px); /* 2 cards per view on tablet */
        max-width: calc(50% - 16px);
    }
}

@media (max-width: 768px) {
    .course-card {
        flex: 0 0 100%; /* 1 card per view on mobile */
        max-width: 100%;
    }
    
    .courses-navigation {
        justify-content: center;
    }
}

/* Course card styling continues from above flex definition */
.course-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    transition: var(--transition-smooth);
    position: relative;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    min-height: 640px; /* Increased height to show all details */
}

.course-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--primary-gradient);
    opacity: 0;
    transition: var(--transition-smooth);
    z-index: -1;
}

.course-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-heavy);
}

.course-card:hover::before {
    opacity: 0.05;
}

.course-header {
    position: relative;
    padding: 24px 24px 16px;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-shrink: 0;
}

.course-icon {
    width: 60px;
    height: 60px;
    background: var(--primary-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--text-primary);
}

.iot-course .course-icon {
    background: var(--accent-gradient);
}

.combined-course .course-icon {
    background: var(--secondary-gradient);
    color: var(--text-white);
}

.course-badge {
    background: var(--primary-gradient);
    color: var(--text-primary);
    padding: 0.25rem 0.75rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
}

.course-badge.new {
    background: var(--accent-gradient);
}

.course-badge.best-value {
    background: var(--secondary-gradient);
    color: var(--text-white);
}

.course-content {
    padding: 0 24px 24px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.course-content h3 {
    font-size: 20px;
    margin-bottom: 12px;
    font-weight: 700;
    color: var(--text-primary);
}

.course-description {
    color: var(--text-secondary);
    margin-bottom: 24px;
    line-height: 1.6;
    font-size: 15px;
}

.course-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 24px;
}

.feature {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-secondary);
    padding: 8px 10px;
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
}

.feature i {
    color: var(--primary-color);
    font-size: 14px;
    flex-shrink: 0;
}

.course-topics {
    margin-bottom: 24px;
    flex: 1;
}

.course-topics h4 {
    font-size: 16px;
    margin-bottom: 12px;
    color: var(--primary-color);
    font-weight: 600;
}

.course-topics ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.course-topics li {
    padding: 6px 0;
    color: var(--text-secondary);
    position: relative;
    padding-left: 20px;
    font-size: 14px;
    line-height: 1.5;
}

.course-topics li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
    font-size: 12px;
}

.course-footer {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
    margin-top: auto;
    flex-shrink: 0;
}

.course-price {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    margin-bottom: 0;
    text-align: center;
    min-height: 72px; /* keep height consistent across cards */
}

.original-price {
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-decoration: line-through;
    opacity: 0.7;
}

.current-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.savings {
    font-size: 0.8rem;
    color: #4facfe;
    font-weight: 600;
    background: rgba(79, 172, 254, 0.1);
    padding: 0.25rem 0.5rem;
    border-radius: 12px;
    border: 1px solid rgba(79, 172, 254, 0.3);
}

.course-buttons {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
}

.course-detail-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: transparent;
    color: var(--accent-color);
    border: 1px solid var(--accent-color);
    padding: 0.75rem 1.5rem;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.course-detail-btn:hover {
    background: var(--accent-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(79, 172, 254, 0.3);
}

.enroll-btn {
    padding: 0.75rem 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--text-white);
    border: none;
    border-radius: 25px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    font-size: 0.9rem;
    white-space: nowrap;
}

.enroll-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
}

.enroll-btn.premium {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
}

.course-benefits {
    text-align: center;
    margin-bottom: 4rem;
}

.course-benefits h3 {
    font-size: 2rem;
    margin-bottom: 3rem;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.benefit-item {
    text-align: center;
    padding: 2rem 1rem;
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    transition: var(--transition-smooth);
}

.benefit-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-light);
}

.benefit-item i {
    font-size: 2.5rem;
    color: var(--text-accent);
    margin-bottom: 1rem;
}

.benefit-item h4 {
    font-size: 1.2rem;
    margin-bottom: 0.75rem;
}

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

.courses-cta {
    text-align: center;
    padding: 3rem;
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: 20px;
}

.courses-cta h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.courses-cta p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Why Choose Us Section */
.why-choose {
    padding: var(--section-padding);
    background: var(--bg-secondary);
}

.value-props {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.prop-card {
    text-align: center;
    padding: 2rem;
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    transition: var(--transition-bounce);
}

.prop-card:hover {
    transform: translateY(-10px) scale(1.05);
    box-shadow: var(--shadow-heavy);
}

.prop-icon {
    width: 80px;
    height: 80px;
    background: var(--primary-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: var(--text-primary);
}

.prop-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

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

/* Industries Section */
.industries {
    padding: var(--section-padding);
    background: var(--bg-primary);
}

.industries-container {
    position: relative;
    margin-bottom: 80px;
}

.industries-navigation {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    margin-bottom: 32px;
}

.industry-nav-btn {
    width: 48px;
    height: 48px;
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-smooth);
    color: var(--text-secondary);
}

.industry-nav-btn:hover:not(:disabled) {
    background: var(--primary-color);
    color: var(--text-white);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-sm);
}

.industry-nav-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.industry-nav-btn i {
    font-size: 16px;
}

.industries-carousel {
    display: flex;
    gap: 32px;
    overflow: hidden;
    position: relative;
    width: 100%;
    transition: transform 0.3s ease-in-out;
}

.industries-benefits {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
    margin: 20px 0 32px;
}

@media (max-width: 768px) {
    .industries-benefits {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }
}

@media (max-width: 480px) {
    .industries-benefits {
        grid-template-columns: 1fr;
        gap: 8px;
    }
}

.industries-benefits .benefit {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-secondary);
    font-size: 14px;
    white-space: nowrap;
}

@media (max-width: 768px) {
    .industries-benefits .benefit {
        padding: 8px 10px;
        font-size: 13px;
        gap: 8px;
    }
}

@media (max-width: 480px) {
    .industries-benefits .benefit {
        white-space: normal;
        text-align: center;
        justify-content: center;
    }
}

.industries-benefits .benefit i {
    color: var(--text-accent);
    font-size: 16px;
}

.industry-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 28px;
    text-align: center;
    transition: var(--transition-smooth);
    position: relative;
    box-shadow: var(--shadow-sm);
    flex: 0 0 calc(50% - 16px); /* 2 cards per view on desktop */
    max-width: calc(50% - 16px);
}

/* Responsive industry cards */
@media (max-width: 768px) {
    .industry-card {
        flex: 0 0 100%; /* 1 card per view on mobile */
        max-width: 100%;
    }
    
    .industries-navigation {
        justify-content: center;
    }
}

.industry-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.industry-icon {
    width: 80px;
    height: 80px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    font-size: 32px;
    color: var(--text-white);
    box-shadow: var(--shadow-sm);
}

.industry-card h3 {
    font-size: 20px;
    margin-bottom: 16px;
    color: var(--text-primary);
    font-weight: 700;
}

.industry-card p {
    color: var(--text-secondary);
    margin-bottom: 14px;
    line-height: 1.6;
}

.impact-stat {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 14px;
}

.industry-meta {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 12px;
}

.industry-footer {
    display: flex;
    justify-content: center;
}

/* Testimonials Section */
.testimonials {
    padding: var(--section-padding);
    background: var(--bg-secondary);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.testimonial-card {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 2rem;
    transition: var(--transition-smooth);
}

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

.testimonial-content {
    margin-bottom: 1.5rem;
}

.testimonial-content p {
    font-style: italic;
    font-size: 1.1rem;
    line-height: 1.6;
    color: var(--text-secondary);
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.author-info h4 {
    font-size: 1rem;
    margin-bottom: 0.25rem;
}

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

.trust-section {
    text-align: center;
    padding-top: 3rem;
    border-top: 1px solid var(--border-color);
}

.trust-section h3 {
    margin-bottom: 2rem;
    color: var(--text-secondary);
}

.partner-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 3rem;
    flex-wrap: wrap;
}

.logo-placeholder {
    padding: 1rem 2rem;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-secondary);
    font-weight: 600;
    transition: var(--transition-smooth);
}

.logo-placeholder:hover {
    color: var(--text-primary);
    border-color: var(--text-accent);
}

/* Final CTA Section */
.final-cta {
    padding: var(--section-padding);
    background: var(--bg-dark);
    text-align: center;
}

.cta-content h2 {
    font-size: 48px;
    margin-bottom: 16px;
    color: var(--text-white);
    font-weight: 700;
}

.cta-content p {
    font-size: 20px;
    color: var(--text-light);
    margin-bottom: 32px;
}

/* Footer */
.footer {
    background: var(--bg-dark);
    border-top: 1px solid var(--secondary-light);
    padding: 64px 0 32px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    margin-bottom: 16px;
    color: var(--text-white);
    font-size: 20px;
    font-weight: 700;
}

.footer-section h4 {
    margin-bottom: 16px;
    color: var(--text-white);
    font-size: 16px;
    font-weight: 600;
}

.footer-section p {
    color: var(--text-light);
    margin-bottom: 24px;
    line-height: 1.6;
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: var(--text-light);
    text-decoration: none;
    transition: var(--transition-smooth);
}

.footer-section ul li a:hover {
    color: var(--text-white);
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: var(--secondary-light);
    border: 1px solid var(--secondary-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    text-decoration: none;
    transition: var(--transition-smooth);
}

.social-links a:hover {
    background: var(--primary-color);
    color: var(--text-white);
    transform: translateY(-2px);
    border-color: var(--primary-color);
}

.contact-info p {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.contact-info i {
    color: var(--primary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 32px;
    border-top: 1px solid var(--secondary-light);
    color: var(--text-light);
}

/* removed sticky CTA and floating enroll styles */

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 80px;
        flex-direction: column;
        background: var(--bg-primary);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-md);
        padding: 32px 0;
        border-top: 1px solid var(--border-color);
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-toggle {
        display: flex;
    }

    .hero-title {
        font-size: 40px;
    }

    .hero-subtitle {
        font-size: 18px;
    }

    .hero-cta {
        flex-direction: column;
        align-items: center;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .about-text .section-title,
    .about-text .section-subtitle {
        text-align: center;
    }

    .capabilities-grid {
        grid-template-columns: 1fr;
    }

    .solutions-grid {
        grid-template-columns: 1fr;
    }

    .products-grid {
        grid-template-columns: 1fr;
    }

    .product-features {
        grid-template-columns: 1fr;
    }

    .product-footer {
        flex-direction: column;
    }

    .value-props {
        grid-template-columns: 1fr;
    }

    .testimonials-grid {
        grid-template-columns: 1fr;
    }

    .course-features {
        grid-template-columns: 1fr;
    }

    .benefits-grid {
        grid-template-columns: 1fr;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .partner-logos {
        gap: 1.5rem;
    }

    .section-title {
        font-size: 32px;
    }

    .cta-content h2 {
        font-size: 32px;
    }

    /* Reduce tall cards on mobile */
    .course-card {
        min-height: 560px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .hero-title {
        font-size: 32px;
    }

    .hero-subtitle {
        font-size: 16px;
    }

    .section-title {
        font-size: 28px;
    }

    .cta-btn {
        padding: 14px 24px;
        font-size: 14px;
    }

    .solution-card,
    .prop-card,
    .industry-card,
    .testimonial-card {
        padding: 24px;
    }

    .course-buttons {
        flex-direction: column;
        gap: 0.5rem;
        width: 100%;
    }

    .course-detail-btn,
    .enroll-btn {
        width: 100%;
        justify-content: center;
        padding: 0.875rem 1rem;
        font-size: 0.85rem;
    }

    .course-price {
        margin-bottom: 1.5rem;
    }

    .current-price {
        font-size: 1.25rem;
    }

    .hero-highlights {
        grid-template-columns: 1fr;
        gap: 10px;
        padding: 0 16px;
    }
}

/* Scroll animations */
@media (prefers-reduced-motion: reduce) {
    * {
        animation: none !important;
        transition: none !important;
        scroll-behavior: auto !important;
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-on-scroll {
    opacity: 0;
    transition: all 0.6s ease-out;
}

.animate-on-scroll.animated {
    opacity: 1;
}

.slide-in-left.animated {
    animation: slideInLeft 0.6s ease-out forwards;
}

.slide-in-right.animated {
    animation: slideInRight 0.6s ease-out forwards;
}

.slide-in-up.animated {
    animation: slideInUp 0.6s ease-out forwards;
}