* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Arial', sans-serif;
}

body {
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

nav {
    background: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.logo {
    font-size: 1.8rem;
    font-weight: bold;
    color: #007bff;
    text-decoration: none;
}

.nav-links {
    display: flex;
    gap: 25px;
}

.nav-links a {
    color: #333;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: #007bff;
}

.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 80px 0;
    text-align: center;
}

.hero h1 {
    font-size: 2.8rem;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.cta-button {
    display: inline-block;
    background: #28a745;
    color: white;
    padding: 15px 30px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.1rem;
    transition: background 0.3s;
}

.cta-button:hover {
    background: #218838;
}

.tool-demo {
    padding: 60px 0;
    background: #fff;
}

.section-title {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 40px;
    color: #333;
}

.demo-container {
    background: #f1f3f5;
    border-radius: 8px;
    padding: 30px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}

.features {
    padding: 60px 0;
    background: #f8f9fa;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 20px;
}

.feature-card {
    background: white;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    transition: transform 0.3s, box-shadow 0.3s;
}

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

.feature-card h3 {
    color: #007bff;
    margin-bottom: 15px;
    font-size: 1.3rem;
}

.feature-card p {
    color: #666;
    margin-bottom: 20px;
}

.feature-link {
    color: #007bff;
    text-decoration: none;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
}

.feature-link::after {
    content: '→';
    margin-left: 5px;
    transition: margin-left 0.3s;
}

.feature-link:hover::after {
    margin-left: 10px;
}

.faq {
    padding: 60px 0;
    background: #fff;
}

.faq-container {
    max-width: 850px;
    margin: 0 auto;
}

.faq-item {
    background: #f8f9fa;
    margin-bottom: 15px;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid #e9ecef;
}

.faq-question {
    padding: 20px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 1rem;
}

.faq-answer {
    padding: 0 20px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
    color: #555;
}

.faq-item.active .faq-answer {
    padding: 0 20px 20px;
    max-height: 300px;
}

.faq-toggle {
    transition: transform 0.3s ease;
    font-size: 1.1rem;
}

.faq-item.active .faq-toggle {
    transform: rotate(180deg);
}

.cta {
    text-align: center;
    padding: 30px;
}

footer {
    background: #333;
    color: white;
    padding: 40px 0;
    text-align: center;
    margin-top: 20px;
}

footer a {
    color: #ccc;
}


.copyright {
    color: #999;
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    .hero h1 {
font-size: 2.2rem;
    }

    .nav-container {
flex-direction: column;
gap: 15px;
    }

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

}