/* =========================================
   AI ROI CALCULATOR — centre-screen modal
   Light editorial treatment: cream ground, purple ink,
   gold for brand chrome, muted terracotta for all data
   visualisation (slider fills + breakdown bars).
   ========================================= */

.roi-overlay {
    --roi-cream: #FFFDF7;
    --roi-white: #FFFFFF;
    --roi-ink: #1A0A3C;
    --roi-ink-soft: rgba(26, 10, 60, 0.62);
    --roi-ink-faint: rgba(26, 10, 60, 0.42);
    --roi-hair: rgba(26, 10, 60, 0.12);
    --roi-gold: #FDB71A;
    --roi-gold-dark: #B8860B;
    --roi-terracotta: #C1502E;
    --roi-terracotta-soft: rgba(193, 80, 46, 0.09);
    --roi-terracotta-line: rgba(193, 80, 46, 0.3);
    --roi-brown: #3D2817;
    --roi-green: #1A7F4B;
    --roi-green-soft: rgba(26, 127, 75, 0.08);
    --roi-track: rgba(26, 10, 60, 0.1);

    position: fixed;
    inset: 0;
    z-index: 100000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background: rgba(8, 4, 20, 0.82);
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.35s ease, visibility 0.35s ease;
}

.roi-overlay.is-open {
    opacity: 1;
    visibility: visible;
}

.roi-panel {
    position: relative;
    width: 100%;
    max-width: 1080px;
    max-height: 92vh;
    overflow-y: auto;
    border-radius: 20px;
    background: var(--roi-cream);
    border: 1px solid rgba(253, 183, 26, 0.4);
    box-shadow: 0 50px 120px -30px rgba(0, 0, 0, 0.9);
    transform: translateY(24px) scale(0.97);
    opacity: 0;
    transition: transform 0.45s cubic-bezier(0.2, 0.7, 0.2, 1), opacity 0.45s ease;
}

.roi-overlay.is-open .roi-panel {
    transform: translateY(0) scale(1);
    opacity: 1;
}

.roi-panel::-webkit-scrollbar { width: 8px; }
.roi-panel::-webkit-scrollbar-track { background: transparent; }
.roi-panel::-webkit-scrollbar-thumb { background: rgba(193, 80, 46, 0.35); border-radius: 4px; }

.roi-close {
    position: absolute;
    top: 16px;
    right: 16px;
    z-index: 6;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    border: 1px solid var(--roi-hair);
    background: var(--roi-white);
    color: var(--roi-ink-soft);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background 0.3s ease, color 0.3s ease, transform 0.3s ease;
}

.roi-close:hover,
.roi-close:focus-visible {
    background: var(--roi-terracotta);
    color: #fff;
    transform: rotate(90deg);
    outline: none;
}

.roi-close svg { width: 18px; height: 18px; }

/* ===== HEADER ===== */
.roi-head {
    padding: 40px 40px 28px;
    border-bottom: 1px solid var(--roi-hair);
    background: var(--roi-white);
    border-radius: 20px 20px 0 0;
}

.roi-eyebrow {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-body, 'Instrument Sans', sans-serif);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--roi-terracotta);
    margin: 0 0 14px;
}

.roi-eyebrow::after {
    content: '';
    flex: 0 0 44px;
    height: 1px;
    background: var(--roi-terracotta);
}

.roi-title {
    font-family: var(--font-heading, 'Fraunces', Georgia, serif);
    font-size: clamp(1.5rem, 3vw, 2.1rem);
    font-weight: 600;
    line-height: 1.15;
    color: var(--roi-ink);
    margin: 0 0 12px;
    max-width: 640px;
}

.roi-sub {
    font-family: var(--font-body, 'Instrument Sans', sans-serif);
    font-size: 0.95rem;
    line-height: 1.65;
    color: var(--roi-ink-soft);
    margin: 0;
    max-width: 660px;
}

/* ===== BODY GRID ===== */
.roi-body {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 28px;
    padding: 28px 40px 40px;
    align-items: start;
}

/* ===== CARDS ===== */
.roi-card {
    background: var(--roi-white);
    border: 1px solid var(--roi-hair);
    border-top: 3px solid var(--roi-terracotta);
    border-radius: 12px;
    padding: 24px 24px 20px;
    margin-bottom: 20px;
}

.roi-card:last-child { margin-bottom: 0; }

.roi-card-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-body, 'Instrument Sans', sans-serif);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--roi-ink-faint);
    margin: 0 0 6px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--roi-hair);
}

.roi-card-title::before {
    content: '';
    width: 16px;
    height: 2px;
    background: var(--roi-terracotta);
    flex-shrink: 0;
}

.roi-card-note {
    font-family: var(--font-body, 'Instrument Sans', sans-serif);
    font-size: 0.82rem;
    line-height: 1.6;
    color: var(--roi-ink-soft);
    margin: 14px 0 18px;
}

/* Commentary card, no inputs: tinted so it reads as a note, not a control */
.roi-card--growth {
    background:
        radial-gradient(420px 200px at 0% 0%, rgba(193, 80, 46, 0.06), transparent 70%),
        var(--roi-white);
}

.roi-card--growth p {
    font-family: var(--font-body, 'Instrument Sans', sans-serif);
    font-size: 0.88rem;
    line-height: 1.72;
    color: var(--roi-ink-soft);
    margin: 14px 0 0;
}

.roi-card--growth p:first-of-type { margin-top: 16px; }
.roi-card--growth p strong { color: var(--roi-ink); font-weight: 700; }

/* ===== ROLE SELECTOR ===== */
.roi-roles {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin: 18px 0 24px;
}

.roi-role {
    font-family: var(--font-body, 'Instrument Sans', sans-serif);
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--roi-ink-soft);
    background: var(--roi-cream);
    border: 1px solid var(--roi-hair);
    border-radius: 8px;
    padding: 12px 10px;
    cursor: pointer;
    text-align: center;
    line-height: 1.35;
    transition: border-color 0.25s ease, background 0.25s ease, color 0.25s ease;
}

.roi-role:hover { border-color: var(--roi-terracotta-line); color: var(--roi-ink); }

.roi-role.is-active {
    background: var(--roi-terracotta);
    border-color: var(--roi-terracotta);
    color: #fff;
}

.roi-role:focus-visible { outline: 2px solid var(--roi-terracotta); outline-offset: 2px; }

/* ===== SLIDERS ===== */
.roi-slider { margin-bottom: 20px; }
.roi-slider:last-child { margin-bottom: 4px; }

.roi-slider-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 14px;
    margin-bottom: 10px;
}

.roi-slider-name {
    font-family: var(--font-body, 'Instrument Sans', sans-serif);
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--roi-ink);
    line-height: 1.35;
}

.roi-slider-sub {
    font-family: var(--font-body, 'Instrument Sans', sans-serif);
    font-size: 0.75rem;
    line-height: 1.45;
    color: var(--roi-ink-faint);
    margin-top: 3px;
}

.roi-slider-val {
    font-family: var(--font-body, 'Instrument Sans', sans-serif);
    font-size: 0.78rem;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    color: var(--roi-terracotta);
    background: var(--roi-terracotta-soft);
    border: 1px solid var(--roi-terracotta-line);
    padding: 4px 10px;
    border-radius: 100px;
    white-space: nowrap;
    flex-shrink: 0;
    min-width: 86px;
    text-align: right;
}

.roi-slider input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 20px;
    background: transparent;
    outline: none;
    cursor: pointer;
    display: block;
    margin: 0;
}

/* WebKit track + thumb */
.roi-slider input[type="range"]::-webkit-slider-runnable-track {
    height: 6px;
    border-radius: 100px;
    background: linear-gradient(to right,
        var(--roi-terracotta) 0%,
        var(--roi-terracotta) var(--pct, 50%),
        var(--roi-track) var(--pct, 50%),
        var(--roi-track) 100%);
}

.roi-slider input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--roi-terracotta);
    border: 3px solid #fff;
    box-shadow: 0 0 0 1.5px var(--roi-terracotta), 0 2px 6px rgba(0, 0, 0, 0.2);
    margin-top: -7px;
    transition: transform 0.15s ease;
}

.roi-slider input[type="range"]:hover::-webkit-slider-thumb { transform: scale(1.15); }
.roi-slider input[type="range"]:focus-visible::-webkit-slider-thumb { box-shadow: 0 0 0 1.5px var(--roi-terracotta), 0 0 0 5px rgba(193, 80, 46, 0.3); }

/* Firefox track + thumb */
.roi-slider input[type="range"]::-moz-range-track {
    height: 6px;
    border-radius: 100px;
    background: var(--roi-track);
}

.roi-slider input[type="range"]::-moz-range-progress {
    height: 6px;
    border-radius: 100px;
    background: var(--roi-terracotta);
}

.roi-slider input[type="range"]::-moz-range-thumb {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--roi-terracotta);
    border: 3px solid #fff;
    box-shadow: 0 0 0 1.5px var(--roi-terracotta);
}

/* ===== BREAKDOWN BARS ===== */
.roi-bar-row {
    display: grid;
    grid-template-columns: 26px 1fr auto;
    gap: 12px;
    align-items: start;
    padding: 13px 0;
    border-bottom: 1px solid var(--roi-hair);
}

.roi-bar-row:last-child { border-bottom: none; }

.roi-bar-num {
    font-family: var(--font-body, 'Instrument Sans', sans-serif);
    font-size: 0.7rem;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    color: var(--roi-ink-faint);
    padding-top: 2px;
}

.roi-bar-name {
    font-family: var(--font-body, 'Instrument Sans', sans-serif);
    font-size: 0.84rem;
    font-weight: 700;
    color: var(--roi-ink);
    margin-bottom: 8px;
    line-height: 1.35;
}

.roi-bar-track {
    height: 5px;
    background: var(--roi-track);
    border-radius: 100px;
    overflow: hidden;
}

.roi-bar-fill {
    height: 100%;
    background: var(--roi-terracotta);
    border-radius: 100px;
    width: 0;
    transition: width 0.45s cubic-bezier(0.4, 0, 0.2, 1);
}

.roi-bar-val {
    font-family: var(--font-body, 'Instrument Sans', sans-serif);
    font-size: 0.86rem;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    color: var(--roi-green);
    text-align: right;
    padding-top: 1px;
    white-space: nowrap;
}

/* ===== RESULTS PANEL ===== */
.roi-results { position: sticky; top: 0; }

.roi-result-card {
    background: var(--roi-white);
    border: 1px solid var(--roi-hair);
    border-top: 3px solid var(--roi-gold);
    border-radius: 12px;
    padding: 26px 22px 22px;
    text-align: center;
    margin-bottom: 16px;
}

.roi-result-label {
    font-family: var(--font-body, 'Instrument Sans', sans-serif);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--roi-ink-faint);
    margin: 0 0 8px;
}

.roi-result-num {
    font-family: var(--font-heading, 'Fraunces', Georgia, serif);
    font-size: clamp(2.6rem, 6vw, 3.6rem);
    font-weight: 700;
    line-height: 1;
    color: var(--roi-terracotta);
    font-variant-numeric: tabular-nums;
    letter-spacing: -0.02em;
    margin: 0 0 6px;
}

.roi-result-unit {
    font-family: var(--font-body, 'Instrument Sans', sans-serif);
    font-size: 0.76rem;
    color: var(--roi-ink-faint);
    margin: 0 0 22px;
    line-height: 1.5;
}

.roi-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-bottom: 16px;
}

.roi-stat {
    background: var(--roi-cream);
    border: 1px solid var(--roi-hair);
    border-radius: 8px;
    padding: 12px 10px;
    text-align: left;
}

.roi-stat-label {
    font-family: var(--font-body, 'Instrument Sans', sans-serif);
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--roi-ink-faint);
    margin-bottom: 5px;
    line-height: 1.3;
}

.roi-stat-val {
    font-family: var(--font-body, 'Instrument Sans', sans-serif);
    font-size: 0.95rem;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    color: var(--roi-ink);
}

.roi-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    padding: 11px 14px;
    border-radius: 8px;
    margin-bottom: 8px;
    font-family: var(--font-body, 'Instrument Sans', sans-serif);
}

.roi-row-label { font-size: 0.8rem; color: var(--roi-ink-soft); }
.roi-row-val { font-size: 0.95rem; font-weight: 700; font-variant-numeric: tabular-nums; }

.roi-row--value { background: var(--roi-green-soft); border: 1px solid rgba(26, 127, 75, 0.22); }
.roi-row--value .roi-row-val { color: var(--roi-green); }

.roi-row--cost { background: var(--roi-terracotta-soft); border: 1px solid var(--roi-terracotta-line); margin-bottom: 14px; }
.roi-row--cost .roi-row-val { color: var(--roi-terracotta); }

.roi-payback {
    display: block;
    width: 100%;
    background: var(--roi-ink);
    color: #fff;
    border-radius: 8px;
    padding: 11px 14px;
    font-family: var(--font-body, 'Instrument Sans', sans-serif);
    font-size: 0.82rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 16px;
}

.roi-cta {
    display: block;
    width: 100%;
    background: var(--roi-gold);
    color: var(--roi-ink);
    border: 1px solid var(--roi-gold);
    border-radius: 8px;
    padding: 13px 16px;
    font-family: var(--font-body, 'Instrument Sans', sans-serif);
    font-size: 0.88rem;
    font-weight: 700;
    text-align: center;
    text-decoration: none;
    cursor: pointer;
    transition: background 0.3s ease, color 0.3s ease;
}

.roi-cta:hover,
.roi-cta:focus-visible {
    background: var(--roi-ink);
    color: var(--roi-gold);
    outline: none;
}

/* ===== PILLAR SUBTOTALS ===== */
.roi-pillars {
    background: var(--roi-white);
    border: 1px solid var(--roi-hair);
    border-radius: 12px;
    padding: 18px 20px;
    margin-bottom: 16px;
}

.roi-pillar-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 10px;
    padding: 9px 0;
    border-bottom: 1px solid var(--roi-hair);
}

.roi-pillar-row:last-child { border-bottom: none; }

.roi-pillar-name {
    font-family: var(--font-body, 'Instrument Sans', sans-serif);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--roi-ink-soft);
    line-height: 1.35;
}

.roi-pillar-val {
    font-family: var(--font-body, 'Instrument Sans', sans-serif);
    font-size: 0.88rem;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    color: var(--roi-ink);
    white-space: nowrap;
}

/* ===== METHODOLOGY / FOOTER ===== */
/* Sits outside .roi-body's grid on purpose: as a grid item it shared a row with
   the sticky results panel, which then scrolled over the top of this text. */
.roi-method {
    border-top: 1px solid var(--roi-hair);
    padding: 26px 40px 36px;
    margin: 0;
}

.roi-method-title {
    font-family: var(--font-body, 'Instrument Sans', sans-serif);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--roi-ink-faint);
    margin: 0 0 12px;
}

.roi-method p {
    font-family: var(--font-body, 'Instrument Sans', sans-serif);
    font-size: 0.78rem;
    line-height: 1.7;
    color: var(--roi-ink-soft);
    margin: 0 0 10px;
    max-width: 900px;
}

.roi-method p:last-child { margin-bottom: 0; }
.roi-method strong { color: var(--roi-ink); font-weight: 700; }

.roi-method a { color: var(--roi-terracotta); text-decoration: underline; text-underline-offset: 2px; }

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
    .roi-overlay { padding: 12px; }
    .roi-panel { max-height: 94vh; border-radius: 16px; }
    .roi-head { padding: 32px 22px 22px; border-radius: 16px 16px 0 0; }
    .roi-body { grid-template-columns: 1fr; gap: 20px; padding: 22px 22px 32px; }
    .roi-results { position: static; }
}

@media (max-width: 560px) {
    .roi-roles { grid-template-columns: 1fr; }
    .roi-card { padding: 20px 16px 16px; }
    .roi-head { padding: 28px 18px 20px; }
    .roi-body { padding: 18px 18px 28px; }
    .roi-slider-head { flex-direction: column; gap: 8px; }
    .roi-slider-val { align-self: flex-start; min-width: 0; text-align: left; }
    .roi-stats { grid-template-columns: 1fr; }
}

/* ===== REDUCED MOTION ===== */
@media (prefers-reduced-motion: reduce) {
    .roi-overlay,
    .roi-panel,
    .roi-bar-fill,
    .roi-close,
    .roi-slider input[type="range"]::-webkit-slider-thumb {
        transition: none;
    }
}

/* =========================================
   ROI CALCULATOR — in-page feature section
   Mirrors the risk-tool feature card, but in terracotta
   so the two tools read as siblings rather than duplicates.
   Standalone classes (no dependency on service-pages.css load order).
   ========================================= */

.roi-feature-section {
    background: #FFFDF7;
    padding: 88px 40px;
    box-sizing: border-box;
}

.roi-feature-card {
    max-width: 720px;
    margin: 0 auto;
    text-align: center;
    background:
        radial-gradient(480px 260px at 50% 0%, rgba(193, 80, 46, 0.07), transparent 70%),
        #FFFFFF;
    border: 1.5px solid rgba(193, 80, 46, 0.32);
    border-radius: 24px;
    padding: 56px 48px;
    box-shadow: 0 24px 60px -20px rgba(26, 10, 60, 0.18);
}

.roi-feature-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 22px;
    border-radius: 16px;
    background: rgba(193, 80, 46, 0.1);
    border: 1px solid rgba(193, 80, 46, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
}

.roi-feature-icon svg {
    width: 32px;
    height: 32px;
    fill: none;
    stroke: #C1502E;
    stroke-width: 1.7;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.roi-feature-eyebrow {
    font-family: var(--font-body, 'Instrument Sans', sans-serif);
    font-weight: 700;
    font-size: 0.78rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: #C1502E;
    margin: 0 0 14px;
}

.roi-feature-title {
    font-family: var(--font-heading, 'Fraunces', Georgia, serif);
    font-weight: 600;
    font-size: clamp(1.5rem, 2.6vw, 2rem);
    letter-spacing: -0.01em;
    line-height: 1.25;
    color: #1A0A3C;
    margin: 0 0 16px;
}

.roi-feature-sub {
    font-family: var(--font-body, 'Instrument Sans', sans-serif);
    font-size: 1rem;
    line-height: 1.7;
    color: rgba(26, 10, 60, 0.7);
    max-width: 560px;
    margin: 0 auto 30px;
}

.roi-feature-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 40px;
    background: #C1502E;
    color: #FFFFFF;
    font-family: var(--font-body, 'Instrument Sans', sans-serif);
    font-weight: 700;
    font-size: 15px;
    letter-spacing: 0.2px;
    border-radius: 4px;
    text-decoration: none;
    box-shadow: 0 12px 32px -8px rgba(193, 80, 46, 0.45);
    transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
    cursor: pointer;
    border: none;
}

.roi-feature-btn:hover,
.roi-feature-btn:focus-visible {
    background: #1A0A3C;
    color: #FFFFFF;
    transform: translateY(-2px);
    box-shadow: 0 16px 36px -8px rgba(26, 10, 60, 0.4);
    outline: none;
}

.roi-feature-btn svg {
    width: 18px;
    height: 18px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.roi-feature-note {
    font-family: var(--font-body, 'Instrument Sans', sans-serif);
    font-size: 0.82rem;
    color: rgba(26, 10, 60, 0.5);
    margin: 18px 0 0;
}

@media (max-width: 640px) {
    .roi-feature-section { padding: 56px 20px; }
    .roi-feature-card { padding: 40px 24px; border-radius: 18px; }
    .roi-feature-btn { width: 100%; justify-content: center; padding: 16px 24px; }
}

@media (prefers-reduced-motion: reduce) {
    .roi-feature-btn { transition: none; }
}