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

body {
    background: #f6f7f9;
    color: #333;
    line-height: 1.7;
}

.hero {
    background: linear-gradient(120deg, #4b79ff, #6a9fff);
    padding: 80px 20px;
    text-align: center;
    color: white;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 20px;
}

.hero p {
    max-width: 700px;
    margin: 0 auto 20px;
    font-size: 1.2rem;
}

.btn-primary {
    background: #fff;
    color: #4b79ff;
    padding: 12px 30px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
}

.intro, .faq, .categories {
    padding: 60px 20px;
    max-width: 1100px;
    margin: 0 auto;
}

.intro h2, .tools-grid h2, .categories h2, .faq h2 {
    text-align: center;
    margin-bottom: 20px;
    font-size: 2rem;
}

.tools-grid {
    background: white;
    padding: 60px 20px;
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 25px;
    max-width: 1200px;
    margin: auto;
}

.tool-card {
    background: #ffffff;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.08);
    text-align: center;
}

.tool-card h3 {
    margin-bottom: 10px;
}

.btn-secondary {
    display: inline-block;
    background: #4b79ff;
    color: white;
    padding: 10px 25px;
    margin-top: 10px;
    border-radius: 6px;
    text-decoration: none;
}

.categories .category {
    background: white;
    padding: 25px;
    border-radius: 10px;
    margin-bottom: 20px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.06);
}

.faq-item {
    margin-bottom: 20px;
}

footer {
    background: #222;
    color: white;
    text-align: center;
    padding: 20px;
    margin-top: 40px;
}