.ribo-calc-section {
    background: #0a2f5c;
    padding: 48px 40px;
    border-radius: 8px;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    max-width: 1280px;
    margin: 0 auto;
}

.ribo-calc-header h2 {
    color: #fff;
    font-size: 34px;
    font-weight: 800;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    margin: 0 0 14px 0;
}

.ribo-underline {
    display: block;
    width: 70px;
    height: 4px;
    background: #3cb043;
    border-radius: 2px;
    margin-bottom: 18px;
}

.ribo-calc-header p {
    color: #cfe0f2;
    font-size: 16px;
    line-height: 1.6;
    max-width: 760px;
    margin: 0 0 30px 0;
}

.ribo-calc-grid {
    display: grid;
    grid-template-columns: 380px 1fr;
    gap: 24px;
}

@media (max-width: 900px) {
    .ribo-calc-grid { grid-template-columns: 1fr; }
}

.ribo-col-left,
.ribo-col-right {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.ribo-card,
.ribo-standard-box,
.ribo-stat-card,
.ribo-mitigation-card,
.ribo-chart-card {
    background: #fff;
    border-radius: 10px;
    padding: 24px;
}

.ribo-card h3 {
    margin: 0 0 20px 0;
    font-size: 18px;
    font-weight: 700;
    color: #0a2f5c;
    border-bottom: 1px solid #e3e8ee;
    padding-bottom: 12px;
}

.ribo-field-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

.ribo-field {
    margin-bottom: 16px;
}

.ribo-field label {
    display: block;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    color: #5b6b7d;
    margin-bottom: 6px;
}

.ribo-in {
    width: 100%;
    box-sizing: border-box;
    padding: 12px 14px;
    border: none;
    border-radius: 6px;
    background: #0a4a8f;
    color: #fff;
    font-size: 15px;
    font-weight: 600;
}

.ribo-in:focus {
    outline: 2px solid #3cb043;
}

.ribo-calc-btn {
    width: 100%;
    padding: 16px;
    margin-top: 4px;
    background: #3cb043;
    color: #fff;
    border: none;
    border-radius: 6px;
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    cursor: pointer;
    transition: background 0.2s ease;
}

.ribo-calc-btn:hover {
    background: #339b3a;
}

.ribo-standard-box h4 {
    margin: 0 0 10px 0;
    color: #2ea043;
    font-size: 15px;
    font-weight: 700;
}

.ribo-standard-box p {
    margin: 0;
    color: #33475b;
    font-size: 14px;
    line-height: 1.6;
}

.ribo-stat-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

@media (max-width: 600px) {
    .ribo-stat-row { grid-template-columns: 1fr; }
}

.ribo-stat-card h5,
.ribo-mitigation-top h5,
.ribo-chart-head h5 {
    margin: 0 0 10px 0;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    color: #5b6b7d;
}

.ribo-stat-value {
    font-size: 30px;
    font-weight: 800;
    color: #2ea043;
    margin-bottom: 10px;
}

.ribo-stat-note {
    margin: 0;
    padding-top: 10px;
    border-top: 1px solid #e3e8ee;
    font-size: 12px;
    color: #7c8a99;
}

.ribo-mitigation-card {
    border-left: 5px solid #2ea043;
}

.ribo-mitigation-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 4px;
}

.ribo-badge {
    background: #2ea043;
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.5px;
    padding: 5px 12px;
    border-radius: 20px;
}

.ribo-mitigation-value {
    display: flex;
    align-items: baseline;
    gap: 14px;
    flex-wrap: wrap;
}

.ribo-mitigation-amount {
    font-size: 34px;
    font-weight: 800;
    color: #2ea043;
}

.ribo-mitigation-label {
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.3px;
    color: #5b6b7d;
    text-transform: uppercase;
}

.ribo-chart-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 14px;
}

.ribo-legend {
    font-size: 12px;
    color: #5b6b7d;
    display: flex;
    align-items: center;
    gap: 6px;
}

.ribo-dot {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 2px;
    margin-left: 12px;
}
.ribo-dot:first-child { margin-left: 0; }
.ribo-dot.green { background: #2ea043; }
.ribo-dot.blue { background: #0a4a8f; }

.ribo-chart-footnote {
    margin: 14px 0 0 0;
    font-size: 12px;
    font-style: italic;
    color: #8a97a5;
    text-align: center;
}