/* ROI Calculator � matches EazyAI modern-style tokens */

.roi-page {
    padding: 6.5rem 0 4rem;
    min-height: 100vh;
    background: var(--surface);
}

.roi-hero {
    text-align: center;
    max-width: 820px;
    margin: 0 auto var(--spacing-2xl);
    padding: 0 var(--spacing-md);
}

.roi-hero h1 {
    font-size: clamp(1.85rem, 4vw, 2.75rem);
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.roi-hero .lead {
    color: var(--text-secondary);
    font-size: 1.0625rem;
    line-height: 1.65;
    margin-bottom: 0;
}

.roi-pillars {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
    max-width: 1100px;
    margin-left: auto;
    margin-right: auto;
    padding: 0 var(--spacing-md);
}

.roi-pillar {
    background: var(--surface-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
}

.roi-pillar h3 {
    font-size: 1rem;
    margin-bottom: var(--spacing-xs);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.roi-pillar h3 i {
    color: var(--primary);
}

.roi-pillar p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.55;
}

.roi-layout {
    display: grid;
    grid-template-columns: 1fr min(380px, 100%);
    gap: var(--spacing-xl);
    align-items: start;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

@media (max-width: 960px) {
    .roi-layout {
        grid-template-columns: 1fr;
    }
}

.roi-form-stack {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.roi-section {
    background: var(--surface-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
}

.roi-section h2 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.roi-section > p.hint {
    font-size: 0.875rem;
    color: var(--text-tertiary);
    margin: -0.25rem 0 var(--spacing-md);
}

.roi-field-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.roi-field {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.roi-field label {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-primary);
}

.roi-field input[type="number"],
.roi-field input[type="text"] {
    font-family: var(--font-primary);
    padding: 0.6rem 0.75rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-size: 0.9375rem;
    background: var(--background);
    color: var(--text-primary);
    width: 100%;
}

.roi-field input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.12);
}

.roi-toggle-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: var(--spacing-md);
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.roi-toggle-row input {
    width: 1rem;
    height: 1rem;
    accent-color: var(--primary);
}

.roi-presets {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.roi-presets button {
    font-family: var(--font-primary);
    font-size: 0.8125rem;
    font-weight: 600;
    padding: 0.45rem 0.85rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text-primary);
    cursor: pointer;
    transition: border-color var(--transition-fast), background var(--transition-fast);
}

.roi-presets button:hover {
    border-color: var(--primary);
    background: rgba(0, 102, 204, 0.06);
}

.roi-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.roi-warning {
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.35);
    border-radius: var(--radius-md);
    font-size: 0.8125rem;
    color: var(--text-primary);
}

.roi-results {
    position: sticky;
    top: 5.5rem;
    background: var(--surface-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
}

@media (max-width: 960px) {
    .roi-results {
        position: static;
        order: -1;
    }
}

.roi-results h2 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-md);
}

.roi-stat-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.roi-stat {
    padding: var(--spacing-md);
    background: var(--surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
}

.roi-stat .label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-tertiary);
    font-weight: 600;
}

.roi-stat .value {
    font-size: 1.35rem;
    font-weight: 800;
    font-family: var(--font-mono);
    color: var(--text-primary);
    margin-top: 0.25rem;
}

.roi-stat.positive .value {
    color: var(--success);
}

.roi-stat.negative .value {
    color: var(--error);
}

.roi-stat:not(.positive):not(.negative) .value {
    color: var(--text-primary);
}

.roi-table-wrap {
    overflow-x: auto;
    margin-bottom: var(--spacing-md);
}

.roi-table {
    width: 100%;
    font-size: 0.8125rem;
    border-collapse: collapse;
}

.roi-table th,
.roi-table td {
    text-align: left;
    padding: 0.5rem 0.4rem;
    border-bottom: 1px solid var(--border-light);
}

.roi-table th {
    color: var(--text-tertiary);
    font-weight: 600;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.roi-table td:last-child,
.roi-table th:last-child {
    text-align: right;
    font-family: var(--font-mono);
}

.roi-table tr.total td {
    font-weight: 700;
    border-bottom: none;
    padding-top: var(--spacing-sm);
}

.roi-disclaimer {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    line-height: 1.5;
    margin: 0;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-light);
}

.roi-cta {
    margin-top: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.roi-cta .btn {
    text-align: center;
    justify-content: center;
}

/* Full-width blocks below the calculator grid */
.roi-page-wide {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-2xl) var(--spacing-md) 0;
}

.roi-subhead {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.roi-page-wide > .lead {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.65;
    margin-bottom: var(--spacing-lg);
    max-width: 900px;
}

.roi-results-divider {
    margin: var(--spacing-lg) 0;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-light);
}

.roi-results-divider h3 {
    font-size: 1rem;
    font-weight: 700;
    margin: 0 0 var(--spacing-xs);
    color: var(--text-primary);
}

.roi-results-divider > p {
    font-size: 0.8125rem;
    color: var(--text-tertiary);
    margin: 0 0 var(--spacing-md);
    line-height: 1.5;
}

/* Vendor / platform comparison matrix */
.roi-compare-wrap {
    overflow-x: auto;
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    background: var(--surface-elevated);
    box-shadow: var(--shadow-sm);
}

.roi-compare-matrix {
    width: 100%;
    min-width: 720px;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.roi-compare-matrix th,
.roi-compare-matrix td {
    text-align: left;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-light);
    vertical-align: top;
}

.roi-compare-matrix th {
    background: var(--surface);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-tertiary);
    font-weight: 700;
}

.roi-compare-matrix tbody tr:last-child td {
    border-bottom: none;
}

.roi-compare-matrix .tool-name {
    font-weight: 700;
    color: var(--text-primary);
    white-space: nowrap;
}

.roi-compare-matrix tr.eazyai-row {
    background: rgba(0, 102, 204, 0.06);
}

.roi-compare-matrix tr.eazyai-row .tool-name {
    color: var(--primary-dark);
}

.roi-compare-matrix td {
    color: var(--text-secondary);
    line-height: 1.5;
}

@media (max-width: 768px) {
    .roi-compare-matrix {
        font-size: 0.8125rem;
    }
}

/* Screen-reader-only caption */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Feature scorecard matrix (EazyAI vs platforms) */
.roi-feature-matrix-title {
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--border-light);
}

.roi-feature-matrix-intro {
    margin-bottom: var(--spacing-md);
    max-width: 900px;
}

/* Legend above feature matrix */
.fm-legend {
    margin: 0 0 var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-md);
    background: linear-gradient(135deg, rgba(0, 102, 204, 0.07) 0%, rgba(248, 250, 252, 1) 55%);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    max-width: 900px;
}

.fm-legend-line {
    margin: 0;
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.65;
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 0.25rem 0.5rem;
}

.fm-legend-strong {
    color: var(--text-primary);
    font-weight: 700;
    margin-right: 0.25rem;
}

.fm-legend-item {
    white-space: nowrap;
}

.fm-legend-glyph {
    font-size: 1em;
}

.fm-legend-sep {
    color: var(--text-tertiary);
    user-select: none;
    padding: 0 0.15rem;
}

/* Scorecard table: richer chrome than default roi-compare-wrap */
.roi-compare-wrap.roi-feature-matrix-wrap {
    min-width: 0;
    overflow-x: auto;
    overflow-y: hidden;
    background: linear-gradient(180deg, #ffffff 0%, #fafbfc 100%);
    box-shadow: var(--shadow-md);
}

.roi-feature-matrix {
    width: 100%;
    min-width: 1080px;
    border-collapse: separate;
    border-spacing: 0;
    font-size: 0.8125rem;
}

.roi-feature-matrix caption {
    padding: 0;
}

/* ��� Header row with logos ��� */
.roi-feature-matrix thead th {
    padding: 0;
    vertical-align: bottom;
    border-bottom: 1px solid var(--border);
    background: linear-gradient(180deg, #f8fafc 0%, #f1f5f9 100%);
}

.roi-feature-matrix .fm-th-corner {
    text-align: left;
    vertical-align: middle;
    padding: 1rem 1rem 1.1rem;
    min-width: 9.5rem;
    background: linear-gradient(135deg, #f8fafc 0%, #eef2f7 100%);
}

.roi-feature-matrix .fm-th-corner-inner {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.7rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-tertiary);
}

.roi-feature-matrix .fm-th-corner-inner .fas {
    font-size: 1rem;
    color: var(--primary);
    opacity: 0.85;
}

.roi-feature-matrix .fm-th-vendor {
    text-align: center;
    border-left: 1px solid var(--border-light);
}

.roi-feature-matrix .fm-th-stack {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-end;
    gap: 0.55rem;
    padding: 1rem 0.65rem 1.15rem;
    min-height: 6.5rem;
}

.roi-feature-matrix .fm-th-name {
    display: block;
    font-size: 0.62rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.035em;
    line-height: 1.3;
    color: var(--text-secondary);
    max-width: 8.75rem;
    hyphens: auto;
}

.roi-feature-matrix .fm-th-eazyai {
    background: linear-gradient(180deg, rgba(0, 102, 204, 0.12) 0%, rgba(0, 102, 204, 0.06) 100%);
    border-left: none;
}

.roi-feature-matrix .fm-th-eazyai .fm-th-name {
    color: var(--primary-dark);
}

.roi-feature-matrix .fm-logo-wrap-eazyai {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 2.25rem;
}

.roi-feature-matrix .fm-logo-img {
    max-height: 2rem;
    width: auto;
    max-width: 6.5rem;
    object-fit: contain;
}

.roi-feature-matrix .fm-brand-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    line-height: 1;
}

.roi-feature-matrix .fm-th-ms .fm-brand-icon {
    color: #00a4ef;
}

.roi-feature-matrix .fm-th-aws .fm-brand-icon {
    color: #ff9900;
}

.roi-feature-matrix .fm-th-gcp .fm-brand-icon {
    color: #4285f4;
}

.roi-feature-matrix .fm-th-custom .fm-brand-icon-custom {
    font-size: 1.65rem;
    color: var(--text-tertiary);
}

/* ��� Body cells ��� */
.roi-feature-matrix tbody th,
.roi-feature-matrix tbody td {
    padding: 0.7rem 0.65rem;
    border-bottom: 1px solid var(--border-light);
    vertical-align: middle;
    line-height: 1.35;
}

.roi-feature-matrix tbody tr:nth-child(even) td {
    background: rgba(248, 250, 252, 0.65);
}

.roi-feature-matrix tbody tr:hover td {
    background: rgba(0, 102, 204, 0.04);
}

.roi-feature-matrix tbody tr:hover th[scope="row"] {
    background: #eef6fc;
}

.roi-feature-matrix tbody th[scope="row"] {
    text-align: left;
    font-weight: 600;
    font-size: 0.8rem;
    color: var(--text-primary);
    background: var(--surface-elevated);
    position: sticky;
    left: 0;
    z-index: 1;
    box-shadow: 4px 0 14px -10px rgba(0, 0, 0, 0.18);
    min-width: 9.5rem;
    border-right: 1px solid var(--border-light);
}

.roi-feature-matrix thead .fm-th-corner {
    position: sticky;
    left: 0;
    z-index: 3;
    box-shadow: 4px 0 14px -10px rgba(0, 0, 0, 0.12);
    border-right: 1px solid var(--border-light);
}

.roi-feature-matrix tbody td {
    text-align: center;
    border-left: 1px solid rgba(241, 245, 249, 0.9);
    white-space: normal;
    color: var(--text-secondary);
    vertical-align: middle;
}

.roi-feature-matrix tbody td:nth-child(2) {
    background: rgba(0, 102, 204, 0.055);
    border-left: none;
}

.roi-feature-matrix tbody tr:nth-child(even) td:nth-child(2) {
    background: rgba(0, 102, 204, 0.08);
}

.roi-feature-matrix tbody tr:hover td:nth-child(2) {
    background: rgba(0, 102, 204, 0.11);
}

/* Pills for status text */
.roi-feature-matrix .fm-pill {
    display: inline-flex;
    align-items: flex-start;
    justify-content: center;
    gap: 0.28rem;
    padding: 0.35rem 0.5rem;
    border-radius: var(--radius-lg);
    font-size: 0.72rem;
    font-weight: 600;
    border: 1px solid transparent;
    max-width: 11.5rem;
    white-space: normal;
    text-align: left;
    line-height: 1.35;
    margin: 0 auto;
}

.roi-feature-matrix .fm-pill .fm-glyph {
    font-size: 0.85rem;
    line-height: 1;
}

.roi-feature-matrix .fm-pill-yes {
    color: #047857;
    background: rgba(16, 185, 129, 0.12);
    border-color: rgba(16, 185, 129, 0.25);
}

.roi-feature-matrix .fm-pill-partial {
    color: #b45309;
    background: rgba(245, 158, 11, 0.12);
    border-color: rgba(245, 158, 11, 0.28);
}

.roi-feature-matrix .fm-pill-no {
    color: #6b7280;
    background: rgba(107, 114, 128, 0.1);
    border-color: rgba(107, 114, 128, 0.18);
}

/* Total row */
.roi-feature-matrix-total th,
.roi-feature-matrix-total td {
    border-top: 2px solid var(--border);
    border-bottom: none;
    padding-top: 1rem;
    padding-bottom: 1rem;
    font-weight: 700;
    background: linear-gradient(180deg, #f1f5f9 0%, #e8eef5 100%) !important;
    color: var(--text-primary);
}

.roi-feature-matrix-total:hover td,
.roi-feature-matrix-total:hover th {
    background: linear-gradient(180deg, #e8eef5 0%, #dfe7f0 100%) !important;
}

.roi-feature-matrix-total td:nth-child(2) {
    background: linear-gradient(180deg, rgba(0, 102, 204, 0.18) 0%, rgba(0, 102, 204, 0.1) 100%) !important;
}

.roi-feature-matrix .fm-total-score {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
    font-weight: 800;
    font-variant-numeric: tabular-nums;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.roi-feature-matrix .fm-total-strong {
    color: var(--primary-dark);
    font-size: 1rem;
}

.roi-feature-matrix .fm-total-mid {
    color: #b45309;
}

.roi-feature-matrix-footnote {
    margin-top: var(--spacing-md);
    color: var(--text-secondary);
    font-size: 0.875rem;
}

@media (max-width: 768px) {
    .roi-feature-matrix {
        font-size: 0.75rem;
        min-width: 1020px;
    }

    .fm-legend {
        max-width: none;
    }

    .fm-legend-line {
        font-size: 0.8125rem;
    }

    .roi-feature-matrix tbody th,
    .roi-feature-matrix tbody td {
        padding: 0.5rem 0.4rem;
    }

    .roi-feature-matrix .fm-pill {
        font-size: 0.7rem;
        padding: 0.22rem 0.35rem;
    }

    .roi-feature-matrix .fm-brand-icon {
        font-size: 1.6rem;
    }

    .roi-feature-matrix .fm-th-stack {
        min-height: 5.75rem;
        padding: 0.75rem 0.45rem 0.9rem;
    }
}