.sehub-wrap {
    max-width: 1100px;
    margin: 40px auto;
    padding: 20px;
    font-family: Arial, Helvetica, sans-serif;
}

.sehub-hero {
    text-align: center;
    margin-bottom: 30px;
}

.sehub-hero h1 {
    font-size: 38px;
    margin-bottom: 10px;
}

.sehub-hero p {
    font-size: 18px;
    color: #555;
}

.sehub-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
}

.sehub-card {
    display: block;
    text-decoration: none;
    background: #ffffff;
    border: 1px solid #ddd;
    border-radius: 16px;
    padding: 22px;
    box-shadow: 0 8px 20px rgba(0,0,0,0.06);
    transition: transform 0.15s ease, box-shadow 0.15s ease;
    color: #222;
}

.sehub-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 14px 28px rgba(0,0,0,0.10);
}

.sehub-card h3 {
    margin-top: 0;
    margin-bottom: 10px;
}

.sehub-card p {
    margin: 0;
    color: #666;
}

.sehub-panel-box {
    max-width: 700px;
    margin: 0 auto;
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 20px;
    padding: 28px;
    box-shadow: 0 10px 24px rgba(0,0,0,0.08);
}

.sehub-panel-box h1 {
    margin-top: 0;
    margin-bottom: 10px;
    text-align: center;
}

.sehub-subtext {
    text-align: center;
    color: #666;
    margin-bottom: 25px;
}

.sehub-form {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.sehub-form label {
    font-weight: bold;
}

.sehub-form input {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid #bbb;
    border-radius: 12px;
    font-size: 16px;
    box-sizing: border-box;
}

.sehub-form button {
    margin-top: 10px;
    padding: 14px 16px;
    border: 0;
    border-radius: 14px;
    font-size: 18px;
    font-weight: bold;
    cursor: pointer;
    background: #1d4ed8;
    color: #fff;
}

.sehub-form button:hover {
    opacity: 0.92;
}

.sehub-message {
    margin-top: 18px;
    padding: 14px;
    border-radius: 12px;
    background: #f4f6f8;
    color: #222;
    text-align: center;
    min-height: 24px;
}

.sehub-last-call {
    margin-top: 20px;
    background: #f9fafb;
    border: 1px solid #e5e7eb;
    border-radius: 16px;
    padding: 18px;
}

.sehub-last-row {
    padding: 10px 0;
    border-bottom: 1px solid #ececec;
    font-size: 18px;
}

.sehub-last-row:last-child {
    border-bottom: none;
}

@media (max-width: 640px) {
    .sehub-hero h1 {
        font-size: 30px;
    }

    .sehub-panel-box {
        padding: 20px;
    }

    .sehub-last-row {
        font-size: 16px;
    }
}