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

:root {
    --primary-color: #2563eb;
    --primary-dark: #1e40af;
    --secondary-color: #6366f1;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-light: #64748b;
    --bg-white: #ffffff;
    --bg-light: #f8fafc;
    --bg-gray: #f1f5f9;
    --border-color: #e2e8f0;
    --gradient-start: #2563eb;
    --gradient-end: #7c3aed;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Improve touch targets on mobile */
@media (max-width: 768px) {
    button, a, .tab-item {
        min-height: 44px;
        min-width: 44px;
    }
    
    /* Prevent text size adjustment on iOS */
    input, textarea, select, button {
        font-size: 16px;
    }
    
    /* Better scrolling */
    * {
        -webkit-overflow-scrolling: touch;
    }
}

.container {
    max-width: 100%;
    width: 100%;
    margin: 0 auto;
    padding: 0 48px;
}

@media (max-width: 768px) {
    .container {
        padding: 0 24px;
    }
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    padding: 16px 0;
}

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

.logo {
    font-size: 24px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    transition: color 0.2s;
}

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

/* Buttons */
.btn-primary, .btn-secondary {
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
    font-family: inherit;
}

.btn-primary {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: white;
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

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

.btn-secondary:hover {
    background: var(--bg-light);
}

.btn-large {
    padding: 16px 32px;
    font-size: 16px;
}

/* Hero Section */
.hero {
    margin-top: 80px;
    padding: 100px 0 80px;
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.hero-content {
    text-align: center;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 72px;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 20px;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.gradient-text {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 24px;
    color: var(--text-secondary);
    margin-bottom: 16px;
    line-height: 1.4;
    font-weight: 500;
}

.hero-description {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 40px;
    line-height: 1.6;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 0;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 48px;
    margin-top: 100px;
    padding-top: 80px;
    border-top: 1px solid var(--border-color);
}

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

.stat-number {
    font-size: 48px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.stat-description {
    font-size: 14px;
    color: var(--text-light);
}

/* Hero Visual - Chat Interface */
.hero-visual {
    max-width: 1000px;
    margin: 60px auto 0;
    position: relative;
    z-index: 1;
}

.hero-demo {
    position: relative;
    padding: 0 24px;
}

.hero-chat {
    background: white;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1), 0 0 0 1px rgba(0, 0, 0, 0.05);
    overflow: hidden;
    transform: translateY(0);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hero-chat:hover {
    transform: translateY(-4px);
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.15), 0 0 0 1px rgba(0, 0, 0, 0.05);
}

.hero-indicator:hover {
    background: var(--primary-color);
    opacity: 0.7;
}

.chat-interface {
    background: white;
    border-radius: 16px;
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.chat-header {
    background: var(--bg-light);
    padding: 16px 24px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid var(--border-color);
}

.chat-dots {
    display: flex;
    gap: 6px;
}

.chat-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--border-color);
}

.chat-dots span:nth-child(1) {
    background: #ff5f57;
}

.chat-dots span:nth-child(2) {
    background: #ffbd2e;
}

.chat-dots span:nth-child(3) {
    background: #28ca42;
}

.chat-title {
    font-weight: 600;
    color: var(--text-primary);
}

.chat-messages {
    padding: 24px;
    min-height: 300px;
}

.message {
    margin-bottom: 24px;
}

.message.user .message-content {
    background: var(--bg-light);
    padding: 16px 20px;
    border-radius: 12px;
    max-width: 80%;
    margin-left: auto;
    color: var(--text-primary);
    font-weight: 500;
}

/* Typing cursor animation - ONLY for hero-chat */
.hero-chat .message.user .message-content.typing::after {
    content: '|';
    color: #2563eb;
    margin-left: 2px;
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 50% {
        opacity: 1;
    }
    51%, 100% {
        opacity: 0;
    }
}

.message.ai .message-content {
    background: white;
    padding: 20px;
    border-radius: 12px;
    max-width: 90%;
    border: 1px solid var(--border-color);
    transition: opacity 0.5s ease-in;
}

/* Loading animation - ONLY for hero-chat */
.hero-chat .ai-loading {
    display: flex;
    align-items: center;
    padding: 8px 0;
}

.hero-chat .loading-dots {
    display: flex;
    gap: 8px;
    align-items: center;
}

.hero-chat .loading-dots span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #2563eb;
    display: inline-block;
    animation: bounce 1.4s infinite ease-in-out both;
}

.hero-chat .loading-dots span:nth-child(1) {
    animation-delay: -0.32s;
}

.hero-chat .loading-dots span:nth-child(2) {
    animation-delay: -0.16s;
}

.hero-chat .loading-dots span:nth-child(3) {
    animation-delay: 0s;
}

@keyframes bounce {
    0%, 80%, 100% {
        transform: scale(0.8);
        opacity: 0.5;
    }
    40% {
        transform: scale(1);
        opacity: 1;
    }
}

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

.response-text {
    margin-bottom: 16px;
    color: var(--text-secondary);
}

.response-table {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
}

.table-row {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
}

.table-row:last-child {
    border-bottom: none;
}

.table-row.header {
    background: var(--bg-light);
    font-weight: 600;
    color: var(--text-primary);
}

.table-row:not(.header) {
    color: var(--text-secondary);
}

.positive {
    color: #10b981;
    font-weight: 600;
}

/* Chart Styles */
.chart-container {
    margin: 16px 0;
    background: var(--bg-light);
    border-radius: 12px;
    padding: 24px;
    border: 1px solid var(--border-color);
}

.line-chart, .bar-chart, .area-chart, .pie-chart {
    width: 100%;
    height: auto;
    display: block;
    min-height: 300px;
}

.chart-wrapper {
    padding: 20px;
    background: white;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

/* Chat Slider with Visualizations */
.chat-slider-container {
    margin-top: 80px;
    position: relative;
}

.chat-slider-wrapper {
    position: relative;
    max-width: 1400px;
    margin: 0 auto;
}

.chat-slider {
    position: relative;
    overflow: hidden;
    border-radius: 16px;
}

.chat-slide {
    display: none;
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
}

.chat-slide.active {
    display: block;
    opacity: 1;
}

.chat-interface-slide {
    background: white;
    border-radius: 16px;
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.chat-messages {
    padding: 32px;
    min-height: 500px;
}

.answer-insight-small {
    margin-top: 16px;
    padding: 12px;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.05), rgba(124, 58, 237, 0.05));
    border-left: 3px solid var(--primary-color);
    border-radius: 6px;
    font-size: 13px;
    color: var(--text-primary);
    line-height: 1.5;
}

.answer-insight-small strong {
    color: var(--primary-color);
}

/* Slider Controls */
.slider-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
    margin-top: 32px;
}

.slider-btn {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 2px solid var(--border-color);
    background: white;
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.slider-btn:hover {
    border-color: var(--primary-color);
    background: var(--bg-light);
    transform: scale(1.1);
}

.slider-btn:active {
    transform: scale(0.95);
}

/* Interactive Tabs Section */
.interactive-tabs-section {
    padding: 120px 0;
    background: white;
}

.interactive-tabs-section .section-header {
    margin-bottom: 64px;
}

@media (max-width: 768px) {
    .interactive-tabs-section .section-header {
        margin-bottom: 40px;
    }
    
    .interactive-tabs-section .section-header h2 {
        font-size: 28px;
        padding: 0;
    }
    
    .interactive-tabs-section .section-header p {
        font-size: 15px;
        padding: 0;
    }
}

.interactive-tabs-wrapper {
    max-width: 1400px;
    width: 100%;
    margin: 0 auto;
    padding: 0 48px;
}

.interactive-tabs-inner {
    position: relative;
}

.tabs-content-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 80px;
    align-items: start;
    min-height: 600px;
    position: relative;
}

.tab-content-panels-wrapper {
    position: relative;
    min-height: 100vh;
}

.tabs-sidebar {
    position: sticky;
    top: 120px;
    max-width: 500px;
    align-self: start;
    height: fit-content;
}

.tabs-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.tab-item {
    display: block;
    padding: 24px;
    background: white;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    outline: none;
}

.tab-item:hover:not(.active) {
    border-color: var(--primary-color);
    background: var(--bg-light);
    transform: translateX(4px);
}

.tab-item:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.tab-item.active {
    border-color: var(--primary-color);
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.05), rgba(124, 58, 237, 0.05));
    box-shadow: var(--shadow-md);
}

.tab-item-header {
    margin-bottom: 12px;
}

.tab-item-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.tab-item.active .tab-item-title {
    color: var(--primary-color);
}

.tab-item-content {
    display: block;
}

.tab-item-description {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.tab-content-panel {
    position: relative;
    width: 100%;
    min-height: 100vh;
    padding: 40px 0;
    opacity: 0;
    transition: opacity 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
    will-change: opacity;
}

.tab-content-panel.immediate-show {
    transition: none;
    opacity: 1 !important;
}

.tab-content-panel.active {
    opacity: 1;
    pointer-events: auto;
}

.tab-content-box {
    position: relative;
}

.tab-visualization {
    background: white;
    border-radius: 16px;
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    border: 1px solid var(--border-color);
}

/* Responsive adjustments for tabs */
@media (max-width: 1024px) {
    .interactive-tabs-section {
        padding: 80px 0;
    }
    
    .interactive-tabs-wrapper {
        padding: 0 32px;
    }
    
    .tabs-content-grid {
        grid-template-columns: 1fr;
        gap: 40px;
        min-height: auto;
    }
    
    .tab-content-panels-wrapper {
        min-height: auto;
    }
    
    .tab-content-panel {
        min-height: auto;
        padding: 32px 0;
    }
    
    .tabs-sidebar {
        position: static;
        max-width: 100%;
        top: auto;
    }
    
    .tabs-list {
        flex-direction: row;
        overflow-x: auto;
        padding-bottom: 16px;
        scroll-snap-type: x mandatory;
        -webkit-overflow-scrolling: touch;
        gap: 12px;
    }
    
    .tab-item {
        min-width: 280px;
        flex-shrink: 0;
        scroll-snap-align: start;
        padding: 20px;
    }
    
    .tab-content-panel {
        position: relative;
    }
    
    .tab-content-panel.active {
        position: relative;
    }
    
    .tab-visualization .chat-interface {
        border-radius: 12px;
    }
    
    .tab-visualization .chat-messages {
        padding: 20px;
        min-height: 300px;
    }
}

@media (max-width: 768px) {
    .interactive-tabs-section {
        padding: 60px 0;
    }
    
    .interactive-tabs-wrapper {
        padding: 0 16px;
    }
    
    .tabs-content-grid {
        gap: 32px;
    }
    
    .tab-content-panel {
        min-height: auto;
        padding: 24px 0;
    }
    
    .tabs-list {
        gap: 10px;
        padding-bottom: 12px;
    }
    
    .tab-item {
        padding: 18px 16px;
        min-width: 240px;
        border-radius: 10px;
    }
    
    .tab-item-title {
        font-size: 16px;
        margin-bottom: 6px;
    }
    
    .tab-item-description {
        font-size: 12px;
        line-height: 1.5;
    }
    
    .tab-item-header {
        margin-bottom: 8px;
    }
    
    .tab-visualization {
        border-radius: 12px;
    }
    
    .tab-visualization .chat-interface {
        border-radius: 10px;
    }
    
    .tab-visualization .chat-header {
        padding: 10px 14px;
    }
    
    .tab-visualization .chat-title {
        font-size: 13px;
    }
    
    .tab-visualization .chat-messages {
        padding: 16px;
        min-height: 250px;
    }
    
    .tab-visualization .message {
        margin-bottom: 14px;
    }
    
    .tab-visualization .message.user .message-content {
        padding: 10px 14px;
        font-size: 12px;
        max-width: 85%;
    }
    
    .tab-visualization .message.ai .message-content {
        padding: 14px;
        font-size: 12px;
        max-width: 95%;
    }
    
    .tab-visualization .response-text {
        font-size: 12px;
        margin-bottom: 10px;
    }
    
    .tab-visualization .response-table {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .tab-visualization .table-row {
        padding: 8px 10px;
        font-size: 11px;
        min-width: 280px;
    }
    
    .tab-visualization .chart-container {
        padding: 12px;
        margin: 10px 0;
        overflow-x: auto;
    }
    
    .tab-visualization .line-chart,
    .tab-visualization .bar-chart {
        min-height: 180px;
    }
    
    .tab-visualization .answer-insight-small {
        font-size: 11px;
        padding: 10px;
        margin-top: 10px;
    }
}

@media (max-width: 480px) {
    .interactive-tabs-section {
        padding: 50px 0;
    }
    
    .interactive-tabs-wrapper {
        padding: 0 12px;
    }
    
    .tabs-content-grid {
        gap: 24px;
    }
    
    .tab-content-panel {
        padding: 20px 0;
    }
    
    .tabs-list {
        gap: 8px;
    }
    
    .tab-item {
        padding: 16px 14px;
        min-width: 200px;
    }
    
    .tab-item-title {
        font-size: 15px;
    }
    
    .tab-item-description {
        font-size: 11px;
    }
    
    .tab-visualization .chat-messages {
        padding: 12px;
        min-height: 200px;
    }
    
    .tab-visualization .message.user .message-content {
        padding: 8px 12px;
        font-size: 11px;
    }
    
    .tab-visualization .message.ai .message-content {
        padding: 12px;
        font-size: 11px;
    }
    
    .tab-visualization .table-row {
        padding: 6px 8px;
        font-size: 10px;
        min-width: 260px;
    }
    
    .tab-visualization .chart-container {
        padding: 10px;
    }
    
    .tab-visualization .line-chart,
    .tab-visualization .bar-chart {
        min-height: 160px;
    }
}

.slider-dots {
    display: flex;
    gap: 12px;
    align-items: center;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--border-color);
    cursor: pointer;
    transition: all 0.2s;
}

.dot.active {
    background: var(--primary-color);
    width: 32px;
    border-radius: 6px;
}

.dot:hover {
    background: var(--primary-color);
    opacity: 0.7;
}

/* Fast Integration */
.fast-integration {
    background: white;
    padding: 100px 0;
}

.integration-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-top: 64px;
}

.integration-feature {
    text-align: center;
    padding: 40px 32px;
    background: white;
    border-radius: 20px;
    border: 2px solid var(--border-color);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.integration-feature::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.integration-feature:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(37, 99, 235, 0.15);
    border-color: var(--primary-color);
}

.integration-feature:hover::before {
    transform: scaleX(1);
}

.feature-icon-wrapper {
    margin-bottom: 24px;
    display: flex;
    justify-content: center;
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(124, 58, 237, 0.1));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.feature-icon svg {
    width: 40px;
    height: 40px;
}

.integration-feature:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.15), rgba(124, 58, 237, 0.15));
}

.integration-feature h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-primary);
    transition: color 0.3s;
}

.integration-feature:hover h3 {
    color: var(--primary-color);
}

.integration-feature p {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Enterprise Platform */
.enterprise-platform {
    background: var(--bg-light);
    padding: 100px 0;
}

.platform-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 48px;
    margin-top: 64px;
}

.platform-feature {
    text-align: center;
    padding: 32px;
    background: white;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    transition: all 0.3s;
}

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

.platform-feature h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.platform-feature p {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.section-subtitle {
    font-size: 16px;
    color: var(--text-light);
    margin-top: 8px;
}

/* Sections */
section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 64px;
}

.section-header h2 {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.how-it-works .section-header {
    max-width: 900px;
}

.how-it-works .section-header h2 {
    white-space: nowrap;
}

.integrations .section-header {
    max-width: 900px;
}

.integrations .section-header h2 {
    white-space: nowrap;
}

.section-header p {
    font-size: 18px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Features */
.features {
    background: white;
}

.features-layout {
    display: flex;
    flex-direction: column;
    gap: 64px;
}

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

.feature-main h2 {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.feature-main p {
    font-size: 18px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.feature-card {
    padding: 32px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    background: white;
    transition: all 0.3s;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.feature-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.feature-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* How It Works */
.how-it-works {
    background: var(--bg-light);
}

.steps-container {
    margin-top: 80px;
    position: relative;
}

.steps {
    display: grid;
    grid-template-columns: 1fr auto 1fr auto 1fr;
    gap: 24px;
    align-items: center;
}

.step {
    text-align: center;
    position: relative;
}

.step-content {
    padding: 48px 32px;
    background: white;
    border-radius: 24px;
    border: 2px solid var(--border-color);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.step-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.03), rgba(124, 58, 237, 0.03));
    opacity: 0;
    transition: opacity 0.4s;
}

.step:hover .step-content {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(37, 99, 235, 0.15);
    border-color: var(--primary-color);
}

.step:hover .step-content::before {
    opacity: 1;
}

.step-number-wrapper {
    position: relative;
    margin-bottom: 32px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.step-number {
    font-size: 120px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0.15;
    line-height: 1;
    transition: opacity 0.4s;
}

.step:hover .step-number {
    opacity: 0.25;
}

.step-connector {
    width: 100%;
    max-width: 120px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.step-connector svg {
    width: 100%;
    height: 100%;
}

.step h3 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-primary);
    transition: color 0.3s;
    position: relative;
    z-index: 1;
}

.step:hover h3 {
    color: var(--primary-color);
}

.step p {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 16px;
    position: relative;
    z-index: 1;
}

@media (max-width: 1024px) {
    .steps {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .step-connector {
        transform: rotate(90deg);
        max-width: 40px;
        margin: 16px 0;
    }
}

/* Stats Section */
.stats-section {
    background: white;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.stat-card {
    text-align: center;
    padding: 32px;
    border-radius: 16px;
    background: var(--bg-light);
    border: 1px solid var(--border-color);
}

.stat-value {
    font-size: 64px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
    line-height: 1;
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 4px;
}

.stat-value .stat-title {
    font-size: 32px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.stat-desc {
    font-size: 14px;
    color: var(--text-light);
}

/* Integrations */
.integrations {
    background: var(--bg-light);
}

.integrations-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-bottom: 48px;
}

.integrations-coming-soon {
    text-align: center;
    padding: 24px;
    background: var(--bg-light);
    border-radius: 12px;
    border: 1px dashed var(--border-color);
}

.integrations-coming-soon p {
    font-size: 16px;
    color: var(--text-secondary);
    font-weight: 500;
    margin: 0;
}

.integration-item {
    padding: 24px;
    background: white;
    border-radius: 12px;
    text-align: center;
    font-weight: 600;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    transition: all 0.2s;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.integration-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 4px;
}

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

.integration-name {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}

.integration-item:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Use Cases */
.use-cases {
    background: white;
}

.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.use-case-card {
    padding: 32px;
    border-radius: 16px;
    background: var(--bg-light);
    border: 1px solid var(--border-color);
    transition: all 0.3s;
}

.use-case-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.use-case-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.use-case-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: white;
    padding: 120px 0;
}

.cta-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 16px;
}

.cta-content p {
    font-size: 20px;
    margin-bottom: 40px;
    opacity: 0.9;
}

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

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

.cta-section .btn-primary:hover {
    background: var(--bg-light);
}

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

.cta-section .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* Footer */
.footer {
    background: var(--text-primary);
    color: white;
    padding: 80px 0 32px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-logo {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 12px;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.7);
    margin-top: 12px;
}

.footer-section h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
}

.footer-section a {
    display: block;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    margin-bottom: 12px;
    transition: color 0.2s;
}

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

.footer-bottom {
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: rgba(255, 255, 255, 0.7);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 48px;
    }
    
    .features-grid,
    .use-cases-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .integration-features,
    .platform-features {
        grid-template-columns: 1fr;
    }
    
    .chat-messages {
        min-height: 350px;
        padding: 20px;
    }
    
    .slider-controls {
        margin-top: 24px;
    }
    
    .slider-btn {
        width: 40px;
        height: 40px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .integrations-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Mobile devices (up to 768px) */
@media (max-width: 768px) {
    /* Navigation */
    .navbar {
        padding: 12px 0;
    }
    
    .nav-links {
        gap: 12px;
    }
    
    .nav-links a {
        display: none;
    }
    
    .logo {
        font-size: 20px;
    }
    
    .btn-primary, .btn-secondary {
        padding: 10px 20px;
        font-size: 13px;
    }
    
    .btn-large {
        padding: 14px 28px;
        font-size: 15px;
    }
    
    /* Hero Section */
    .hero {
        padding: 60px 0 40px;
        margin-top: 60px;
    }
    
    .hero-title {
        font-size: 32px;
        line-height: 1.2;
        margin-bottom: 12px;
        padding: 0 10px;
    }
    
    .hero-subtitle {
        font-size: 18px;
        margin-bottom: 12px;
        padding: 0 20px;
    }
    
    .hero-description {
        font-size: 15px;
        margin-bottom: 32px;
        padding: 0 20px;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
        gap: 12px;
    }
    
    .hero-visual {
        margin-top: 32px;
    }
    
    .hero-demo {
        padding: 0 12px;
    }
    
    .hero-chat {
        border-radius: 12px;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
        gap: 24px;
        margin-top: 60px;
        padding-top: 40px;
    }
    
    .stat-number {
        font-size: 40px;
    }
    
    .stat-label {
        font-size: 16px;
    }
    
    /* Chat Interface */
    .chat-interface {
        border-radius: 12px;
    }
    
    .chat-header {
        padding: 12px 16px;
    }
    
    .chat-title {
        font-size: 14px;
    }
    
    .chat-messages {
        padding: 16px;
        min-height: 250px;
    }
    
    .message {
        margin-bottom: 16px;
    }
    
    .message.user .message-content {
        padding: 12px 16px;
        font-size: 13px;
        max-width: 85%;
        border-radius: 10px;
    }
    
    .message.ai .message-content {
        padding: 16px;
        font-size: 13px;
        max-width: 95%;
        border-radius: 10px;
    }
    
    .response-text {
        font-size: 13px;
        margin-bottom: 12px;
    }
    
    .response-table {
        border-radius: 8px;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .table-row {
        padding: 10px 12px;
        font-size: 12px;
        grid-template-columns: 1.5fr 1fr 1fr;
        min-width: 300px;
    }
    
    .table-row.header {
        font-size: 11px;
    }
    
    .chart-container {
        padding: 16px;
        margin: 12px 0;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .line-chart, .bar-chart {
        min-height: 200px;
        width: 100%;
        height: auto;
    }
    
    .answer-insight-small {
        font-size: 12px;
        padding: 10px;
        margin-top: 12px;
    }
    
    /* Sections */
    section {
        padding: 60px 0;
    }
    
    .section-header {
        margin-bottom: 40px;
    }
    
    .section-header h2 {
        font-size: 28px;
        margin-bottom: 12px;
        padding: 0 10px;
    }
    
    .section-header p {
        font-size: 15px;
        padding: 0 20px;
    }
    
    /* Features & Use Cases */
    .features-grid,
    .use-cases-grid,
    .stats-grid,
    .integrations-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .feature-card,
    .use-case-card {
        padding: 24px;
    }
    
    .feature-card h3,
    .use-case-card h3 {
        font-size: 18px;
    }
    
    .feature-card p,
    .use-case-card p {
        font-size: 14px;
    }
    
    .feature-main h2 {
        font-size: 28px;
    }
    
    /* Steps */
    .steps {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .step-content {
        padding: 32px 24px;
    }
    
    .step-number {
        font-size: 80px;
    }
    
    .step h3 {
        font-size: 22px;
    }
    
    .step p {
        font-size: 14px;
    }
    
    .how-it-works .section-header h2,
    .integrations .section-header h2 {
        white-space: normal;
    }
    
    /* Integration Features */
    .fast-integration {
        padding: 60px 0;
    }
    
    .integration-feature {
        padding: 24px 20px;
    }
    
    .integration-feature h3 {
        font-size: 20px;
    }
    
    .integration-feature p {
        font-size: 14px;
    }
    
    .feature-icon {
        width: 60px;
        height: 60px;
    }
    
    .feature-icon svg {
        width: 32px;
        height: 32px;
    }
    
    /* Stats */
    .stats-section {
        padding: 60px 0;
    }
    
    .stat-card {
        padding: 24px;
    }
    
    .stat-value {
        font-size: 48px;
    }
    
    .stat-value .stat-title {
        font-size: 24px;
    }
    
    .stat-desc {
        font-size: 13px;
    }
    
    /* Integrations */
    .integrations {
        padding: 60px 0;
    }
    
    .integrations-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
        margin-bottom: 32px;
    }
    
    .integration-item {
        padding: 20px;
    }
    
    .integration-icon {
        width: 40px;
        height: 40px;
    }
    
    .integration-name {
        font-size: 14px;
    }
    
    .integrations-coming-soon {
        padding: 20px;
    }
    
    .integrations-coming-soon p {
        font-size: 14px;
    }
    
    /* Use Cases */
    .use-cases {
        padding: 60px 0;
    }
    
    /* CTA */
    .cta-section {
        padding: 60px 0;
    }
    
    .cta-content {
        padding: 0 20px;
    }
    
    .cta-content h2 {
        font-size: 28px;
        margin-bottom: 12px;
    }
    
    .cta-content p {
        font-size: 16px;
        margin-bottom: 32px;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
        gap: 12px;
    }
    
    /* Footer */
    .footer-content {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    /* Interactive Tabs */
    .interactive-tabs-section {
        padding: 60px 0;
    }
    
    .interactive-tabs-wrapper {
        padding: 0 16px;
    }
    
    .tabs-content-grid {
        gap: 24px;
    }
    
    .tab-item {
        padding: 20px;
        min-width: 200px;
    }
    
    .tab-item-title {
        font-size: 18px;
    }
    
    .tab-item-description {
        font-size: 13px;
    }
    
    .tab-content-panel {
        min-height: auto;
        padding: 24px 0;
    }
    
    .tab-visualization {
        border-radius: 12px;
    }
}

/* Small mobile devices (up to 480px) */
@media (max-width: 480px) {
    .container {
        padding: 0 12px;
    }
    
    .hero-title {
        font-size: 28px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .hero-description {
        font-size: 14px;
    }
    
    .section-header h2 {
        font-size: 24px;
    }
    
    .section-header p {
        font-size: 14px;
    }
    
    .chat-messages {
        padding: 12px;
    }
    
    .message.user .message-content {
        padding: 10px 14px;
        font-size: 12px;
    }
    
    .message.ai .message-content {
        padding: 14px;
        font-size: 12px;
    }
    
    .table-row {
        padding: 8px 10px;
        font-size: 11px;
        min-width: 280px;
    }
    
    .integrations-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-content h2 {
        font-size: 24px;
    }
    
    .tab-item {
        min-width: 180px;
        padding: 16px;
    }
    
    .tab-item-title {
        font-size: 16px;
    }
    
    .chart-container {
        padding: 10px;
    }
    
    .line-chart, .bar-chart {
        min-height: 180px;
    }
    
    .answer-insight-small {
        font-size: 11px;
        padding: 8px;
    }
}