* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Arial, sans-serif;
}
body {
    color: #333;
    line-height: 1.6;
    background-color: #f8f9fa;
}
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

header {
    background-color: #2c3e50;
    color: white;
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 100;
}
.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.logo {
    font-size: 24px;
    font-weight: bold;
    color: white;
    text-decoration: none;
}
.logo span {
    color: #3778A6; 
}
.nav-links a {
    color: white;
    text-decoration: none;
    margin-left: 25px;
    font-size: 14px;
    transition: color 0.3s;
}
.nav-links a:hover {
    color: #3778A6; 
}

.hero {
    background: linear-gradient(135deg, #34495e 0%, #2c3e50 100%); 
    color: white;
    padding: 80px 0;
    text-align: center;
}
.hero h1 {
    font-size: 36px;
    margin-bottom: 20px;
}
.hero h1 span {
    color: #3778A6; 
}
.hero p {
    font-size: 18px;
    max-width: 800px;
    margin: 0 auto 30px;
}
.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}
.btn {
    padding: 12px 30px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    transition: transform 0.2s, background-color 0.3s;
    border: none;
    cursor: pointer;
}
.btn-primary {
    background-color: #3778A6; 
    color: white;
}
.btn-primary:hover {
    background-color: #1F425A; 
    transform: translateY(-3px);
}
.btn-primary:active {
    background-color: #c55f0d; 
    transform: translateY(0);
}
.btn-secondary {
    background-color: white;
    color: #2c3e50;
    border: 2px solid #3778A6; 
}
.btn-secondary:hover {
    background-color: #fff0e6; 
    transform: translateY(-3px);
}
.btn-secondary:active {
    background-color: #ffe8d8;
    transform: translateY(0);
}

.sticky-cta {
    position: fixed;
    right: 20px;
    bottom: 20px;
    z-index: 99;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
    border-radius: 5px;
}
.sticky-cta .btn {
    padding: 10px 20px;
    font-size: 14px;
}

.features {
    padding: 80px 0;
    background-color: white;
}
.section-title {
    text-align: center;
    font-size: 28px;
    margin-bottom: 50px;
    color: #2c3e50;
}
.section-title span {
    color: #3778A6;
}
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}
.feature-card {
    padding: 30px;
    background-color: #f8f9fa;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s, box-shadow 0.3s;
}
.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.15);
}
.feature-card i {
    font-size: 36px;
    color: #3778A6; 
    margin-bottom: 20px;
}
.feature-card h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #2c3e50;
}

.tui-card {
    border-left: 4px solid #3778A6;
    background-color: #fff0e6;
}
		

.video-demo {
    padding: 80px 0;
    background-color: #f8f9fa;
    border-top: 1px solid #e0e0e0;
    border-bottom: 1px solid #e0e0e0;
}
.video-container {
    max-width: 900px;
    margin: 0 auto;
    background-color: #1a1a1a;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 8px 24px rgba(0,0,0,0.2);
    position: relative;
}
.video-caption {
    text-align: center;
    margin-top: 20px;
    color: #555;
    font-size: 16px;
    line-height: 1.6;
}
.video-caption strong {
    color: #3778A6;
}

.examples {
    padding: 80px 0;
    background-color: #f8f9fa;
}
.code-block {
    background-color: #1a1a1a; 
    color: #f8f8f2;
    padding: 20px;
    border-radius: 8px;
    margin: 20px 0;
    position: relative;
    overflow-x: auto;
    border-top: 25px solid #333; 
    box-shadow: 0 4px 10px rgba(0,0,0,0.2);
}

.code-block::before {
    content: "";
    position: absolute;
    top: -15px;
    left: 15px;
    display: flex;
    gap: 8px;
}
.code-block::before {
    content: "● ● ●";
    color: #777;
    font-size: 12px;
    letter-spacing: 2px;
}
.code-block pre {
    font-family: 'Consolas', 'Monaco', 'Fira Code', monospace;
    font-size: 14px;
    line-height: 1.5;
}

.code-block pre .keyword {
    color: #3778A6;
}
.code-block pre .value {
    color: #2ecc71;
}

.copy-btn {
    position: absolute;
    top: 0px; 
    right: 15px; 
    padding: 5px 10px;
    background-color: #3778A6; 
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
    transition: background-color 0.3s;
    z-index: 10; 
    height: 22px; 
    line-height: 12px; 
}
.copy-btn:hover {
    background-color: #1F425A;
}
.example-item {
    margin-bottom: 40px;
}
.example-item h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #2c3e50;
}
.example-item h3 i {
    color: #3778A6;
    margin-right: 8px;
}
.example-item p {
    margin-bottom: 10px;
    color: #555;
}

.pricing {
    padding: 80px 0;
    background-color: white;
}
.pricing-table {
    width: 100%;
    border-collapse: collapse;
    margin: 30px 0;
}
.pricing-table th, .pricing-table td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid #ddd;
}
.pricing-table th {
    background-color: #fff0e6; 
    color: #2c3e50;
    border-left: 4px solid #3778A6;
}
.pricing-table tr:hover {
    background-color: #f8f9fa;
}
/* FAQ */
.faq {
    padding: 80px 0;
    background-color: #f8f9fa;
}
.faq-item {
    margin-bottom: 20px;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}
.faq-question {
    padding: 15px 20px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color 0.3s;
}
.faq-question:hover {
    background-color: #fff0e6;
}
.faq-question i {
    color: #3778A6;
    transition: transform 0.3s;
}
.faq-answer {
    padding: 0 20px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}
.faq-answer.show {
    padding: 0 20px 20px;
    max-height: 500px;
}

footer {
    background-color: #2c3e50;
    color: white;
    padding: 50px 0 20px;
}
.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-bottom: 30px;
}
.footer-col h3 {
    font-size: 18px;
    margin-bottom: 20px;
    color: #3778A6; 
    border-bottom: 1px solid #3778A6;
    padding-bottom: 10px;
}
.footer-col a {
    display: block;
    color: #ddd;
    text-decoration: none;
    margin-bottom: 10px;
    transition: color 0.3s;
}
.footer-col a:hover {
    color: #3778A6;
}
.copyright {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #444;
    font-size: 14px;
    color: #aaa;
}

@media (max-width: 768px) {
    .hero h1 {
font-size: 28px;
    }
    .hero p {
font-size: 16px;
    }
    .section-title {
font-size: 24px;
    }
    .nav-links {
display: none;
    }
    .sticky-cta {
display: none;
    }
    .code-block {
border-top: 20px solid #333;
    }

    .copy-btn {
top: -15px;
right: 10px;
padding: 4px 8px;
font-size: 11px;
height: 20px;
    }
}