.roi-hero {
    padding: 140px 0 56px;
    background:
        radial-gradient(circle at 15% 20%, rgba(30, 58, 138, 0.18), transparent 42%),
        radial-gradient(circle at 85% 15%, rgba(20, 184, 166, 0.22), transparent 45%),
        linear-gradient(135deg, #eff6ff 0%, #ecfeff 100%);
    border-bottom: 1px solid #dbeafe;
}

.roi-hero-copy {
    max-width: 760px;
}

.roi-badge {
    display: inline-flex;
    padding: 6px 12px;
    border-radius: 999px;
    background: #dbeafe;
    color: #1e3a8a;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.roi-hero h1 {
    margin-top: 12px;
    font-size: clamp(32px, 4vw, 52px);
    line-height: 1.1;
}

.roi-hero p {
    margin-top: 12px;
    font-size: 18px;
    color: #334155;
    max-width: 680px;
}

.roi-page-section {
    padding: 28px 0 72px;
}

.roi-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 18px;
    align-items: start;
}

.roi-panel.card,
.roi-results.card {
    border: 1px solid #dbe7ff;
    border-radius: 16px;
    box-shadow: 0 8px 28px rgba(15, 23, 42, 0.05);
}

.roi-form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

.roi-panel .form-group {
    margin-bottom: 0;
}

.roi-panel .form-label {
    display: block;
    margin-bottom: 8px;
    font-size: 15px;
    font-weight: 700;
    color: #1e3354;
}

.roi-panel .form-input,
.roi-panel input[type='number'],
.roi-panel select {
    width: 100%;
    height: 46px;
    border: 1px solid #c4d5f8;
    border-radius: 10px;
    background: #fff;
    color: #0f172a;
    padding: 10px 12px;
    font-size: 15px;
    font-weight: 600;
    box-sizing: border-box;
    outline: none;
    transition: border-color .2s ease, box-shadow .2s ease;
    appearance: none;
}

.roi-panel select {
    padding-right: 38px;
    background-image: linear-gradient(45deg, transparent 50%, #1e3a8a 50%), linear-gradient(135deg, #1e3a8a 50%, transparent 50%);
    background-position: calc(100% - 18px) calc(50% - 2px), calc(100% - 12px) calc(50% - 2px);
    background-size: 6px 6px, 6px 6px;
    background-repeat: no-repeat;
}

.roi-panel .form-input:focus,
.roi-panel input[type='number']:focus,
.roi-panel select:focus {
    border-color: #4f46e5;
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.14);
}

.roi-range-group {
    padding: 10px 12px;
    border: 1px solid #dbe7ff;
    border-radius: 12px;
    background: #f8fbff;
}

.roi-range-controls {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 110px;
    gap: 10px;
    align-items: center;
}

.roi-range-group input[type='range'] {
    width: 100%;
    accent-color: #2563eb;
    cursor: pointer;
}

.roi-custom-input-wrap {
    display: flex;
    align-items: center;
    gap: 6px;
    justify-content: flex-end;
}

.roi-custom-input-wrap span {
    color: #64748b;
    font-size: 12px;
    white-space: nowrap;
}

.roi-custom-input {
    height: 36px;
    padding: 6px 8px;
    width: 74px !important;
    min-width: 74px;
    text-align: center;
    font-size: 14px !important;
    font-weight: 700;
    border-radius: 8px !important;
}

.roi-actions {
    margin-top: 8px;
    display: flex;
    justify-content: flex-start;
}

.roi-empty {
    padding: 14px;
    border-radius: 12px;
    border: 1px dashed #cbd5e1;
    color: #64748b;
    background: #f8fafc;
}

.roi-result-stack {
    display: grid;
    gap: 12px;
}

.roi-risk-hero {
    border-radius: 14px;
    padding: 16px 18px;
    color: #fff;
    background: linear-gradient(135deg, #f43f5e 0%, #e11d48 100%);
}

.roi-hero-label {
    font-size: 14px;
    opacity: 0.95;
}

.roi-hero-value {
    margin-top: 4px;
    font-size: clamp(34px, 3.2vw, 52px);
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.05;
}

.roi-hero-note {
    margin-top: 4px;
    font-size: 14px;
    opacity: 0.92;
}

.roi-metric-pair {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.roi-mini-card {
    border: 1px solid #dbe7ff;
    background: #f8fbff;
    border-radius: 12px;
    padding: 14px;
}

.roi-mini-card span {
    display: block;
    font-size: 12px;
    color: #64748b;
}

.roi-mini-card strong {
    display: block;
    margin-top: 6px;
    font-size: 34px;
    line-height: 1.05;
    color: #0f172a;
    letter-spacing: -0.01em;
}

.roi-mini-card small {
    display: block;
    margin-top: 3px;
    color: #64748b;
    font-size: 12px;
}

.roi-solution-card {
    border-radius: 14px;
    padding: 16px;
    color: #fff;
    background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
}

.roi-solution-card h4 {
    margin: 0 0 12px;
    font-size: 24px;
    line-height: 1.1;
}

.roi-solution-top {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.roi-solution-box {
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 10px;
    padding: 12px;
}

.roi-solution-box span {
    display: block;
    font-size: 12px;
    opacity: 0.92;
}

.roi-solution-box strong {
    display: block;
    margin-top: 4px;
    font-size: 28px;
    line-height: 1.05;
    letter-spacing: -0.01em;
}

.roi-break-even {
    margin-top: 10px;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 10px;
    padding: 12px;
}

.roi-break-even span {
    display: block;
    font-size: 13px;
    margin-bottom: 4px;
}

.roi-break-even p {
    margin: 0;
    font-size: 13px;
}

.roi-solution-roi {
    text-align: center;
    margin-top: 12px;
}

.roi-solution-roi span {
    font-size: 13px;
    opacity: 0.9;
}

.roi-solution-roi strong {
    display: block;
    margin-top: 4px;
    font-size: 54px;
    line-height: 1.05;
    letter-spacing: -0.02em;
}

.roi-solution-roi small {
    font-size: 13px;
    opacity: 0.95;
}

.roi-solution-note {
    margin: 10px 0 0;
    font-size: 11px;
    opacity: 0.8;
}

.roi-summary-card {
    border: 1px solid #dbe7ff;
    background: #fff;
    border-radius: 12px;
    padding: 14px;
}

.roi-summary-card h5 {
    margin: 0 0 10px;
    font-size: 15px;
}

.roi-summary-row {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    padding: 7px 0;
    border-bottom: 1px solid #e2e8f0;
    color: #475569;
    font-size: 14px;
}

.roi-summary-row:last-child {
    border-bottom: 0;
}

.roi-summary-row strong {
    color: #0f172a;
    font-size: 15px;
}

.roi-summary-row .neg {
    color: #e11d48;
}

.roi-summary-row .pos,
.roi-summary-row .net {
    color: #059669;
}

.roi-summary-row.total {
    font-weight: 700;
}

.roi-disclaimer {
    margin-top: 14px;
    color: #64748b;
    font-size: 12px;
}

@media (max-width: 1024px) {
    .roi-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 760px) {
    .roi-hero {
        padding-top: 118px;
    }

    .roi-form-grid,
    .roi-metric-pair,
    .roi-solution-top {
        grid-template-columns: 1fr;
    }

    .roi-range-controls {
        grid-template-columns: 1fr;
    }

    .roi-mini-card strong {
        font-size: 30px;
    }

    .roi-solution-box strong {
        font-size: 24px;
    }

    .roi-solution-roi strong {
        font-size: 42px;
    }
}