body {
    font-family: Arial, sans-serif;
    background: #f8fafc;
    margin: 0;
    padding: 0;
    color: #1e293b;
}
header {
    text-align: center;
    padding: 60px 20px 0px;
}
h1 {
    font-size: 2.8rem;
    margin-bottom: 10px;
}
h2 {
    font-size: 1.4rem;
    font-weight: normal;
    color: #475569;
    margin-top: 0;
}
.button {
    background: #2563eb;
    color: white;
    padding: 12px 24px;
    border-radius: 6px;
    text-decoration: none;
    font-size: 1.1rem;
    display: inline-block;
    margin-top: 25px;
}
.section {
    max-width: 900px;
    margin: 50px auto;
    padding: 0 20px;
    text-align: center;
}
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 30px;
}
.feature {
    background: white;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.08);
}
footer {
    text-align: center;
    margin: 60px 0;
    color: #64748b;
}
input[type="email"] {
    padding: 12px;
    width: 260px;
    max-width: 80%;
    font-size: 1rem;
    border: 1px solid #cbd5e1;
    border-radius: 6px;
}
.waitlist-button {
    padding: 12px 20px;
    margin-left: 10px;
    background: #2563eb;
    color: white;
    border-radius: 6px;
    border: none;
    font-size: 1rem;
    cursor: pointer;
}
.waitlist-wrapper {
    margin-top: 25px;
}