/* for index.css */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #e0f2fe 0%, #bae6fd 100%);
    color: #1e2937;
}
.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 40px 20px;
    text-align: center;
}
.header {
    margin-bottom: 40px;
}
.logo {
    font-size: 3.5rem;
    margin-bottom: 10px;
}

h1 {
    font-size: 2.8rem;
    color: #1e40af;
    margin-bottom: 10px;
}
.tagline {
    font-size: 1.4rem;
    color: #334155;
    margin-bottom: 30px;
}
.features {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
    margin: 40px 0;
}
.feature-card {
    background: white;
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 10px 15px rgba(0,0,0,0.1);
    width: 280px;
}
.btn {
    display: inline-block;
    background: #1e40af;
    color: white;
    padding: 16px 32px;
    font-size: 1.2rem;
    border-radius: 50px;
    text-decoration: none;
    margin-top: 20px;
    transition: all 0.3s;
    box-shadow: 0 8px 15px rgba(30, 64, 175, 0.3);
}
.btn:hover {
    background: #1e3a8a;
    transform: translateY(-5px);
    box-shadow: 0 12px 20px rgba(30, 64, 175, 0.4);
}