.dfs-card {
    max-width: 560px;
    margin: 30px auto;
    padding: 28px;
    border-radius: 24px;
    background: linear-gradient(145deg, #ffffff, #f7f7fb);
    box-shadow: 0 20px 60px rgba(15, 23, 42, .12);
    font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: #111827;
}
.dfs-badge {
    display: inline-block;
    background: #111827;
    color: white;
    padding: 7px 12px;
    border-radius: 999px;
    font-size: 12px;
    margin-bottom: 12px;
}
.dfs-header h2 { margin: 0; font-size: 30px; letter-spacing: -0.04em; }
.dfs-header p { color: #6b7280; line-height: 1.6; }
.dfs-progress-wrap { margin: 22px 0; }
.dfs-progress-meta {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    font-size: 13px;
    color: #4b5563;
    margin-bottom: 8px;
}
.dfs-progress {
    height: 12px;
    background: #e5e7eb;
    border-radius: 999px;
    overflow: hidden;
}
.dfs-progress div {
    height: 100%;
    background: #111827;
    border-radius: 999px;
}
.dfs-form label { display: block; margin: 15px 0 8px; font-weight: 700; }
.dfs-amounts {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
}
.dfs-amounts button {
    padding: 13px 10px;
    border: 1px solid #d1d5db;
    background: white;
    border-radius: 14px;
    cursor: pointer;
    font-weight: 700;
}
.dfs-amounts button.active { background: #111827; color: white; border-color: #111827; }
.dfs-row {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 12px;
}
.dfs-row input, .dfs-form input[type="text"], .dfs-form input[type="email"], .dfs-form textarea {
    width: 100%;
    box-sizing: border-box;
    padding: 14px 15px;
    border: 1px solid #d1d5db;
    border-radius: 14px;
    outline: none;
    font-size: 15px;
}
.dfs-form textarea { min-height: 90px; resize: vertical; margin-top: 12px; }
.dfs-frequency {
    display: flex;
    gap: 14px;
    margin-bottom: 12px;
}
.dfs-frequency label, .dfs-check { font-weight: 500 !important; color: #374151; }
.dfs-submit {
    width: 100%;
    padding: 15px;
    border: 0;
    border-radius: 16px;
    background: #111827;
    color: #fff;
    font-size: 16px;
    font-weight: 800;
    cursor: pointer;
    margin-top: 18px;
}
.dfs-submit:disabled { opacity: .6; cursor: not-allowed; }
.dfs-note { text-align: center; color: #6b7280; font-size: 13px; }
.dfs-response { margin-top: 12px; color: #b91c1c; font-weight: 700; }
@media (max-width: 520px) {
    .dfs-card { margin: 15px; padding: 20px; }
    .dfs-amounts { grid-template-columns: repeat(2, 1fr); }
    .dfs-header h2 { font-size: 25px; }
}