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

body {
    font-family: 'Segoe UI', Roboto, -apple-system, BlinkMacSystemFont, Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: #0066cc;
    transition: color 0.3s ease;
}

a:hover {
    color: #004499;
}

ul {
    list-style: none;
}

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

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 0.5em;
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: 1rem;
    color: #555;
}

.section-title {
    text-align: center;
    margin-bottom: 2rem;
    position: relative;
    padding-bottom: 0.5rem;
}

.section-title:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, #4a6cf7, #f86cf7);
}

/* Header & Navigation */
header {
    background-color: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 1rem 0;
}

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

.logo h1 {
    font-size: 1.5rem;
    margin: 0;
    color: #333;
}

.logo span {
    color: #4a6cf7;
    font-weight: 800;
}

nav ul {
    display: flex;
    align-items: center;
}

nav ul li {
    margin-left: 1.5rem;
}

nav ul li a {
    color: #333;
    font-weight: 500;
    padding: 0.5rem 0;
    position: relative;
}

nav ul li a:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #4a6cf7, #f86cf7);
    transition: width 0.3s ease;
}

nav ul li a:hover:after {
    width: 100%;
}

.cta-button {
    background: linear-gradient(90deg, #4a6cf7, #f86cf7);
    color: #fff !important;
    padding: 0.5rem 1rem;
    border-radius: 30px;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
}

.cta-button i {
    margin-left: 0.5rem;
    font-size: 0.8rem;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(74, 108, 247, 0.4);
}

/* Hero Section */
.hero {
    padding: 5rem 0;
    background: linear-gradient(135deg, #f5f7ff 0%, #e8f0ff 100%);
    position: relative;
    overflow: hidden;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: center;
}

.hero-content h1 {
    font-size: 2.8rem;
    margin-bottom: 1rem;
    background: linear-gradient(90deg, #333, #4a6cf7);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-content h2 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    color: #555;
}

.hero-content p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    color: #666;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
}

.primary-button {
    background: linear-gradient(90deg, #4a6cf7, #f86cf7);
    color: #fff;
    padding: 0.8rem 1.5rem;
    border-radius: 30px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    transition: all 0.3s ease;
}

.primary-button i {
    margin-left: 0.5rem;
}

.primary-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(74, 108, 247, 0.4);
}

.secondary-button {
    border: 2px solid #4a6cf7;
    color: #4a6cf7;
    padding: 0.8rem 1.5rem;
    border-radius: 30px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.secondary-button:hover {
    background-color: #4a6cf7;
    color: #fff;
}

.hero-image {
    position: relative;
}

.demo-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    background-color: #fff;
    padding: 1.5rem;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.demo-image {
    width: 45%;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.arrow-animation {
    font-size: 2rem;
    color: #4a6cf7;
    animation: pulse 1.5s infinite;
}

.video-placeholder {
    width: 45%;
    aspect-ratio: 16/9;
    background: linear-gradient(135deg, #e0e8ff, #d0d8ff);
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.play-icon {
    width: 50px;
    height: 50px;
    background-color: #4a6cf7;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    margin-bottom: 0.5rem;
    animation: pulse 2s infinite;
}

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

/* Features Section */
.features {
    padding: 5rem 0;
    background-color: #fff;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background-color: #fff;
    border-radius: 10px;
    padding: 2rem;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    text-align: center;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #4a6cf7, #f86cf7);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: #fff;
    font-size: 1.8rem;
}

.feature-card h3 {
    margin-bottom: 1rem;
    color: #333;
}

.feature-card p {
    color: #666;
}

/* Comparison Section */
.comparison {
    padding: 5rem 0;
    background-color: #f5f7ff;
}

.comparison-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: center;
}

.comparison-table table {
    width: 100%;
    border-collapse: collapse;
    background-color: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
}

.comparison-table th, .comparison-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid #eee;
}

.comparison-table th {
    background-color: #4a6cf7;
    color: #fff;
    font-weight: 600;
}

.comparison-table tr:last-child td {
    border-bottom: none;
}

.highlight {
    color: #4a6cf7;
    font-weight: 600;
}

.chart-container {
    background-color: #fff;
    border-radius: 10px;
    padding: 2rem;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
}

.chart-title {
    text-align: center;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: #333;
}

.bar-chart {
    display: flex;
    justify-content: space-around;
    align-items: flex-end;
    height: 250px;
    margin-bottom: 1.5rem;
}

.bar-group {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 30%;
}

.bar {
    width: 100%;
    border-radius: 5px 5px 0 0;
    transition: all 0.3s ease;
}

.bar.seedance {
    background: linear-gradient(135deg, #4a6cf7, #f86cf7);
}

.bar.competitor {
    background-color: #ccc;
}

.bar-label {
    text-align: center;
    margin-top: 0.5rem;
    font-weight: 500;
}

.bar-label span {
    display: block;
    font-size: 0.8rem;
    color: #666;
    font-weight: normal;
}

.chart-note {
    text-align: center;
    font-size: 0.8rem;
    color: #666;
    font-style: italic;
}

/* Technical Section */
.technical {
    background-color: #f9f9f9;
    padding: 5rem 0;
}

.technical-image {
    margin-bottom: 2rem;
    text-align: center;
}

.technical-image img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

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

.technical-card {
    background-color: #f5f7ff;
    border-radius: 10px;
    padding: 2rem;
    transition: all 0.3s ease;
}

.technical-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.technical-card h3 {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
    color: #333;
}

.technical-card h3 i {
    margin-right: 0.5rem;
    color: #4a6cf7;
}

.technical-card p {
    color: #666;
}

/* Use Cases Section */
.use-cases {
    padding: 5rem 0;
    background-color: #f5f7ff;
}

.use-case-image {
    margin-bottom: 2rem;
    text-align: center;
}

.use-case-image img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

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

.use-case-card {
    background-color: #fff;
    border-radius: 10px;
    padding: 2rem;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    text-align: center;
}

.use-case-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.use-case-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #4a6cf7, #f86cf7);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: #fff;
    font-size: 1.8rem;
}

.use-case-card h3 {
    margin-bottom: 1rem;
    color: #333;
}

.use-case-card p {
    color: #666;
}

/* Benchmark section */
.benchmark-section {
    padding: 5rem 0;
    background-color: #f5f7ff;
}

.benchmark-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: center;
    margin-bottom: 3rem;
}

.benchmark-content-second {
    margin-top: 2rem;
    margin-bottom: 0;
}

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

.benchmark-img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.benchmark-description h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: #333;
}

.benchmark-description h4 {
    font-size: 1.4rem;
    margin: 1.5rem 0 0.5rem;
    color: #4a6cf7;
}

.benchmark-description p {
    font-size: 1.1rem;
    line-height: 1.6;
    color: #555;
    margin-bottom: 1rem;
}

@media (max-width: 768px) {
    .benchmark-content {
        grid-template-columns: 1fr;
    }
    
    .benchmark-image {
        margin-bottom: 2rem;
    }
}

/* Models Collection Section */
.models-collection {
    padding: 5rem 0;
    background-color: #fff;
}

.models-description {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 3rem;
}

.models-description p {
    font-size: 1.2rem;
    color: #555;
    line-height: 1.6;
}

.models-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.model-card {
    background-color: #f8f9ff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.model-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.model-info {
    padding: 1.5rem;
}

.model-info h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: #333;
}

.model-price {
    font-size: 1.1rem;
    font-weight: 700;
    color: #4a6cf7;
    margin-bottom: 1rem;
}

.model-info p {
    font-size: 0.95rem;
    color: #666;
    line-height: 1.5;
}

.models-cta {
    text-align: center;
    margin-top: 2rem;
}

@media (max-width: 768px) {
    .models-grid {
        grid-template-columns: 1fr;
    }
}

/* CTA Section */
.cta-section {
    padding: 5rem 0;
    background: linear-gradient(135deg, #4a6cf7, #f86cf7);
    color: #fff;
    text-align: center;
}

.cta-content h2 {
    margin-bottom: 1.5rem;
    color: #fff;
}

.cta-content p {
    max-width: 800px;
    margin: 0 auto 2rem;
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.1rem;
}

/* Limitations Section */
.limitations {
    padding: 5rem 0;
    background-color: #fff;
}

.limitations-list {
    max-width: 800px;
    margin: 0 auto;
    background-color: #f5f7ff;
    border-radius: 10px;
    padding: 2rem;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
}

.limitations-list li {
    margin-bottom: 1rem;
    padding-left: 1.5rem;
    position: relative;
    color: #555;
}

.limitations-list li:before {
    content: '•';
    position: absolute;
    left: 0;
    color: #4a6cf7;
    font-weight: bold;
}

.limitations-list li:last-child {
    margin-bottom: 0;
}

/* Footer */
footer {
    background-color: #1a1a1a;
    color: #fff;
    padding: 4rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.footer-logo h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #fff;
}

.footer-logo span {
    color: #4a6cf7;
    font-weight: 800;
}

.footer-logo p {
    color: rgba(255, 255, 255, 0.7);
}

.footer-links h4 {
    color: #fff;
    margin-bottom: 1.5rem;
}

.footer-links ul li {
    margin-bottom: 0.8rem;
}

.footer-links ul li a {
    color: rgba(255, 255, 255, 0.7);
    transition: all 0.3s ease;
}

.footer-links ul li a:hover {
    color: #4a6cf7;
}

.footer-cta h4 {
    color: #fff;
    margin-bottom: 1.5rem;
}

.footer-button {
    background: linear-gradient(90deg, #4a6cf7, #f86cf7);
    color: #fff;
    padding: 0.8rem 1.5rem;
    border-radius: 30px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    transition: all 0.3s ease;
}

.footer-button i {
    margin-left: 0.5rem;
}

.footer-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 992px) {
    .hero .container,
    .comparison-content {
        grid-template-columns: 1fr;
    }
    
    .hero-content {
        text-align: center;
        margin-bottom: 2rem;
    }
    
    .cta-buttons {
        justify-content: center;
    }
    
    nav ul {
        display: none;
    }
}

@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.5rem;
    }
    
    .feature-grid,
    .technical-grid,
    .use-case-grid {
        grid-template-columns: 1fr;
    }
    
    .demo-container {
        flex-direction: column;
    }
    
    .demo-image,
    .video-placeholder {
        width: 100%;
    }
}

/* Fix for webkit background-clip */
.hero-content h1 {
    background: linear-gradient(90deg, #333, #4a6cf7);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}