:root {
    --primary: #0A2C70;
    --primary-dark: #071E4D;
    --secondary: #FF7A00;
    --secondary-dark: #F06A00;
    --accent-blue: #2570ff;
    --white: #FFFFFF;
    --light: #F6F8FC;
    --gray: #EEF2F8;
    --border: #E2E8F0;
    --text: #1F2937;
    --text-light: #64748B;
    --success: #16A34A;
    --danger: #DC2626;
    --radius: 18px;
    --transition: .3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;
}

body {
    background: var(--light);
    color: var(--text);
    min-height: 100vh;
    padding: 30px 15px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.wizard-container {
    width: 100%;
    max-width: 980px;
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: 0 20px 50px rgba(10, 44, 112, 0.08);
    border: 1px solid var(--border);
    overflow: hidden;
}

.wizard-header {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--white);
    padding: 32px 30px 22px;
    text-align: center;
}

.brand-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.15);
    padding: 6px 14px;
    border-radius: 30px;
    font-size: 12px;
    font-weight: 700;
    margin-bottom: 10px;
}

.wizard-header h1 { font-size: 24px; font-weight: 800; margin-bottom: 4px; }
.wizard-header p { font-size: 13.5px; color: #cbd5e1; }

.stepper-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 25px;
    position: relative;
}

.step-node {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    position: relative;
    z-index: 2;
    cursor: pointer;
}

.step-node.locked {
    cursor: not-allowed;
    opacity: 0.5;
}

.step-circle {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.18);
    border: 2px solid rgba(255, 255, 255, 0.35);
    color: #fff;
    font-size: 14px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.step-node.active .step-circle {
    background: var(--secondary);
    border-color: #fff;
    box-shadow: 0 0 15px rgba(255, 122, 0, 0.7);
    transform: scale(1.08);
}

.step-node.completed .step-circle {
    background: var(--success);
    border-color: #fff;
}

.step-node span { font-size: 11.5px; font-weight: 600; color: #cbd5e1; }
.step-node.active span { color: #fff; font-weight: 700; }

.wizard-body { padding: 35px; }
.step-content { display: none; animation: fadeIn 0.3s ease; }
.step-content.active { display: block; }

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.section-title { margin-bottom: 22px; }
.section-title span { font-size: 12px; font-weight: 800; color: var(--secondary); text-transform: uppercase; }
.section-title h2 { font-size: 21px; font-weight: 800; color: var(--primary); margin-top: 2px; }
.section-title p { font-size: 13px; color: var(--text-light); }

.sim-sub-group {
    background: #f8fafc;
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 18px 20px;
    margin-bottom: 18px;
}

.sim-sub-title {
    font-size: 13px;
    font-weight: 800;
    color: var(--primary);
    text-transform: uppercase;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.sim-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 12px;
}

.sim-card {
    background: #fff;
    border: 2px solid var(--border);
    border-radius: 12px;
    padding: 14px 10px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
}

.sim-card:hover { border-color: var(--primary); transform: translateY(-2px); }
.sim-card.selected {
    border-color: var(--secondary);
    background: #fff7ed;
    box-shadow: 0 4px 14px rgba(255, 122, 0, 0.15);
}

.sim-card i { font-size: 22px; color: var(--primary); margin-bottom: 6px; }
.sim-card.selected i { color: var(--secondary); }
.sim-card h4 { font-size: 13px; font-weight: 700; color: var(--text); margin-bottom: 2px; }
.sim-card p { font-size: 11px; color: var(--text-light); }

.sim-card .badge-discount {
    position: absolute; top: 6px; right: 6px;
    background: var(--success); color: #fff;
    font-size: 9.5px; font-weight: 800; padding: 2px 6px; border-radius: 12px;
}

.pricing-display-bar {
    background: linear-gradient(135deg, #0A2C70, #071E4D);
    color: #fff;
    border-radius: 14px;
    padding: 18px 22px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 10px;
}

.pricing-display-bar .price-val { font-size: 22px; font-weight: 800; color: #f97316; }
.saving-tag {
    background: rgba(34, 197, 94, 0.2);
    color: #4ade80;
    border: 1px solid #22c55e;
    font-size: 11px;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: 20px;
}

.payment-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 14px;
    margin-bottom: 20px;
}

.payment-method-card {
    border: 2px solid var(--border);
    border-radius: 12px;
    padding: 16px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    background: #fff;
}

.payment-method-card:hover { border-color: var(--primary); }
.payment-method-card.selected {
    border-color: var(--secondary);
    background: #fff7ed;
    box-shadow: 0 4px 14px rgba(255, 122, 0, 0.15);
}

.payment-method-card h4 { font-size: 13.5px; font-weight: 700; }

.fee-calculation-box {
    background: #f8fafc;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 18px;
    margin-bottom: 20px;
}

.fee-row { display: flex; justify-content: space-between; padding: 6px 0; font-size: 13px; }
.fee-row.total {
    border-top: 2px solid var(--border);
    margin-top: 8px;
    padding-top: 10px;
    font-size: 15px;
    font-weight: 800;
    color: var(--primary);
}

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-group.full { grid-column: 1 / -1; }
.form-group label { display: block; font-size: 12.5px; font-weight: 700; color: var(--primary); margin-bottom: 6px; }

.form-control {
    width: 100%; height: 48px;
    border: 1.5px solid var(--border);
    border-radius: 10px; padding: 0 14px;
    font-size: 13.5px; outline: none;
    transition: var(--transition); background: #fff;
}

.form-control:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(10, 44, 112, 0.08); }
.form-control.is-invalid { border-color: var(--danger); background: #fef2f2; }

.error-message { font-size: 11.5px; color: var(--danger); font-weight: 600; margin-top: 4px; display: none; }

.password-box { position: relative; }
.password-box input { padding-right: 45px; }
.toggle-password {
    position: absolute; right: 12px; top: 50%;
    transform: translateY(-50%); background: none;
    border: none; color: #94a3b8; cursor: pointer; font-size: 15px;
}

.strength-bar {
    width: 100%; height: 6px;
    background: #e2e8f0; border-radius: 10px;
    margin-top: 6px; overflow: hidden;
}

.strength-fill { height: 100%; width: 0%; transition: var(--transition); background: var(--danger); }
.password-rules {
    background: #f8fafc; border: 1px solid var(--border);
    border-radius: 10px; padding: 12px; margin-top: 10px; font-size: 11.5px;
}
.password-rules ul {
    list-style: none; display: grid;
    grid-template-columns: 1fr 1fr; gap: 4px; margin-top: 4px;
}
.password-rules li { color: #94a3b8; }
.password-rules li.valid { color: var(--success); font-weight: 600; }

.summary-box {
    background: #fff; border: 1px solid var(--border);
    border-radius: 12px; padding: 16px; margin-bottom: 14px;
}
.summary-header {
    display: flex; justify-content: space-between; align-items: center;
    border-bottom: 1px solid var(--border); padding-bottom: 8px; margin-bottom: 10px;
}
.summary-header h3 { font-size: 14px; color: var(--primary); font-weight: 700; }
.btn-edit-step {
    background: rgba(255, 122, 0, 0.1); color: var(--secondary);
    border: none; padding: 4px 10px; border-radius: 6px; font-size: 11.5px; font-weight: 700; cursor: pointer;
}

.summary-row { display: flex; justify-content: space-between; padding: 5px 0; font-size: 12.5px; }
.summary-row span:first-child { color: var(--text-light); }
.summary-row span:last-child { font-weight: 700; color: var(--text); }

.wizard-footer {
    display: flex; justify-content: space-between; align-items: center;
    margin-top: 30px; padding-top: 20px; border-top: 1px solid var(--border);
}

.btn-nav {
    height: 46px; padding: 0 22px; border-radius: 10px;
    font-size: 13.5px; font-weight: 700; cursor: pointer;
    display: inline-flex; align-items: center; gap: 8px;
    border: none; transition: var(--transition);
}

.btn-prev { background: #f1f5f9; color: #475569; }
.btn-prev:hover { background: #e2e8f0; }
.btn-next { background: linear-gradient(135deg, var(--primary), var(--primary-dark)); color: #fff; }
.btn-next:hover { box-shadow: 0 4px 15px rgba(10, 44, 112, 0.25); }
.btn-submit { background: linear-gradient(135deg, var(--secondary), var(--secondary-dark)); color: #fff; }
.btn-submit:hover { box-shadow: 0 4px 15px rgba(255, 122, 0, 0.35); }

.btn-pay-trigger {
    background: linear-gradient(135deg, #15803d, #166534);
    color: #fff;
    height: 48px;
    padding: 0 26px;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 800;
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}
.btn-pay-trigger:hover { box-shadow: 0 4px 15px rgba(22, 101, 52, 0.35); transform: translateY(-1px); }

/* Success & Receipt Box in Step 5 */
.payment-success-card {
    display: none;
    background: #f0fdf4;
    border: 2px solid #bbf7d0;
    border-radius: 14px;
    padding: 20px;
    margin-top: 15px;
    text-align: left;
}

.receipt-sheet {
    background: #ffffff;
    border: 1px dashed #15803d;
    border-radius: 10px;
    padding: 16px;
    margin-top: 12px;
    font-size: 12.5px;
}

/* Modal Popup Confirmation Style */
.modal-overlay {
    position: fixed; inset: 0;
    background: rgba(15, 23, 42, 0.75); backdrop-filter: blur(4px);
    display: none; align-items: center; justify-content: center;
    z-index: 9999; padding: 20px;
}
.modal-overlay.show { display: flex; }

.modal-card {
    background: #fff; border-radius: 20px;
    max-width: 520px; width: 100%; padding: 35px 25px;
    text-align: center; box-shadow: 0 25px 60px rgba(0,0,0,0.3);
    animation: zoomIn 0.3s ease;
}

@keyframes zoomIn {
    from { opacity: 0; transform: scale(0.9); }
    to { opacity: 1; transform: scale(1); }
}

.modal-icon-success { font-size: 60px; color: var(--success); margin-bottom: 14px; }

@media (max-width: 768px) {
    .form-grid, .payment-grid { grid-template-columns: 1fr; }
    .stepper-nav { justify-content: flex-start; gap: 8px; overflow-x: auto; }
}