/* Ahoton interactive tools — small, page-safe additions */
.tools-section {
    position: relative;
}

.tools-panel,
.tools-compare,
.tools-simulator {
    margin-top: 58px;
    border: 1px solid var(--line);
    background: var(--paper);
    padding: clamp(24px, 4vw, 46px);
}

.tools-panel {
    max-width: 980px;
}

.tools-form-grid,
.tools-calculator-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px 28px;
}

.tools-field {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.tools-field span,
.tools-result-label,
.tools-sim-kicker,
.tools-compare-label,
.tools-metric-label {
    color: var(--muted);
    font: 11px "DM Mono", monospace;
    letter-spacing: .06em;
    text-transform: uppercase;
}

.tools-field input {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--paper-soft);
    color: var(--text);
    padding: 13px 14px;
    outline: none;
}

.tools-field input:focus {
    border-color: var(--text);
    box-shadow: 0 0 0 3px rgba(162, 232, 194, .35);
}

.tools-field small,
.tools-footnote,
.tools-disclaimer {
    color: var(--muted);
    font-size: 13px;
}

.tools-form-footer,
.tools-result-footer,
.tools-sim-footer {
    align-items: center;
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
    justify-content: space-between;
    margin-top: 30px;
}

.tools-result[hidden],
.tools-sim-step[hidden] {
    display: none;
}

.tools-result {
    border-top: 1px solid var(--line);
    margin-top: 36px;
    padding-top: 32px;
}

.tools-result h3 {
    font-size: clamp(30px, 4vw, 52px);
    margin: 10px 0 16px;
}

.tools-result-why {
    color: var(--muted);
    max-width: 680px;
}

.tools-metrics {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1px;
    background: var(--line);
    margin: 28px 0;
}

.tools-metric {
    background: var(--paper);
    padding: 22px;
}

.tools-metric strong {
    display: block;
    font-size: clamp(27px, 4vw, 42px);
    font-weight: 500;
    letter-spacing: -.05em;
    line-height: 1;
    margin: 10px 0 6px;
}

.tools-metric small {
    color: var(--muted);
}

.tools-reset {
    background: transparent;
    border: 0;
    color: var(--muted);
    padding: 8px 0;
    text-decoration: underline;
    text-underline-offset: 4px;
}

.tools-compare {
    overflow: hidden;
}

.tools-compare-stage {
    background: var(--ink);
    color: var(--white);
    min-height: 420px;
    overflow: hidden;
    position: relative;
    --compare-position: 50%;
}

.tools-compare-pane {
    inset: 0;
    overflow: hidden;
    padding: clamp(24px, 4vw, 46px);
    position: absolute;
}

.tools-compare-pane-after {
    background: var(--ink-mid);
    /* The after-pane spans the full stage width, but the before-pane sits
       on top of its left portion. Without this, the after-pane's own
       heading/steps render from its fixed left edge and can visually
       collide with the before-pane's heading whenever the divider sits
       far to the right. Shifting the after-pane's content to start just
       past the current divider position keeps the two headlines from
       ever overlapping, at any drag position. */
    padding-left: calc(var(--compare-position, 50%) + clamp(24px, 4vw, 46px));
}

.tools-compare-pane-before {
    background: var(--ink);
    border-right: 1px solid var(--accent);
    width: var(--compare-position, 50%);
    z-index: 2;
}

.tools-compare-pane h3 {
    color: var(--white);
    font-size: clamp(25px, 3vw, 38px);
    margin: 12px 0 26px;
    overflow-wrap: break-word;
}

.tools-compare-pane-after h3 {
    color: var(--accent);
}

.tools-compare-steps {
    display: grid;
    gap: 0;
    max-width: 540px;
}

.tools-compare-step {
    border-bottom: 1px solid var(--line-dark);
    display: grid;
    grid-template-columns: 30px 1fr;
    gap: 12px;
    padding: 13px 0;
}

.tools-compare-step::before {
    color: var(--accent);
    content: attr(data-step);
    font: 11px "DM Mono", monospace;
    padding-top: 4px;
}

.tools-compare-step span {
    color: var(--silver);
    font-size: 15px;
}

.tools-compare-pane-before .tools-compare-step span {
    color: var(--white);
}

/* Futuristic divider: a glowing accent line down the midpoint, with a
   soft pulse and a slow vertical scan-light travelling along it — a
   quiet "system is alive" cue instead of a draggable handle. */
.tools-compare-divider {
    bottom: 0;
    left: var(--compare-position, 50%);
    position: absolute;
    top: 0;
    transform: translateX(-50%);
    width: 1px;
    z-index: 4;
    pointer-events: none;
}

.tools-compare-divider::before {
    background: linear-gradient(180deg,
        transparent 0%,
        rgba(162, 232, 194, .75) 12%,
        var(--accent) 50%,
        rgba(162, 232, 194, .75) 88%,
        transparent 100%);
    bottom: 0;
    content: "";
    left: 0;
    position: absolute;
    top: 0;
    width: 1px;
    box-shadow: 0 0 12px 1px rgba(162, 232, 194, .55), 0 0 34px 3px rgba(162, 232, 194, .18);
    animation: dividerPulse 3s ease-in-out infinite;
    pointer-events: none;
}

.tools-compare-divider::after {
    content: "";
    position: absolute;
    left: 50%;
    top: 0;
    width: 46px;
    height: 46px;
    border-radius: 50%;
    transform: translate(-50%, -50%);
    background: radial-gradient(circle, rgba(198, 245, 217, .95), rgba(162, 232, 194, .25) 55%, transparent 72%);
    filter: blur(1px);
    animation: dividerScan 4.2s cubic-bezier(.45, 0, .55, 1) infinite;
}

@keyframes dividerPulse {
    0%, 100% { opacity: .7; }
    50%      { opacity: 1; }
}

@keyframes dividerScan {
    0%   { top: 4%;  opacity: 0; }
    12%  { opacity: 1; }
    50%  { top: 96%; opacity: 1; }
    62%  { opacity: 0; }
    100% { top: 4%;  opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
    .tools-compare-divider::before,
    .tools-compare-divider::after {
        animation: none;
    }
}

.tools-compare-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
    margin-top: 26px;
}

.tools-legend-item {
    align-items: center;
    color: var(--muted);
    display: inline-flex;
    font-size: 13px;
    gap: 8px;
}

.tools-legend-item i {
    background: var(--accent);
    border-radius: 50%;
    display: inline-block;
    height: 8px;
    width: 8px;
}

.tools-legend-item:nth-child(2) i { background: var(--text); }
.tools-legend-item:nth-child(3) i { background: var(--muted); }

.tools-human-note {
    border-left: 2px solid var(--accent);
    margin: 30px 0 0;
    padding-left: 16px;
}

.tools-simulator {
    max-width: 980px;
}

.tools-sim-progress {
    background: var(--line);
    height: 3px;
    margin-bottom: 36px;
    overflow: hidden;
}

.tools-sim-progress span {
    background: var(--accent);
    display: block;
    height: 100%;
    transition: width .25s ease;
    width: 25%;
}

.tools-sim-step h3 {
    font-size: clamp(28px, 4vw, 48px);
    margin: 12px 0 16px;
}

.tools-sim-step > p {
    color: var(--muted);
    max-width: 670px;
}

.tools-inquiry-card,
.tools-sim-insight {
    background: var(--paper-soft);
    border: 1px solid var(--line);
    margin-top: 26px;
    padding: 22px;
}

.tools-inquiry-card p:last-child,
.tools-sim-insight p:last-child {
    margin-bottom: 0;
}

.tools-sim-list {
    display: grid;
    gap: 12px;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    margin-top: 26px;
}

.tools-sim-list div {
    border-top: 1px solid var(--line);
    padding-top: 12px;
}

.tools-sim-list strong {
    display: block;
    margin-bottom: 5px;
}

.tools-sim-list span {
    color: var(--muted);
    font-size: 14px;
}

.tools-sim-counter {
    color: var(--muted);
    font: 11px "DM Mono", monospace;
    letter-spacing: .06em;
    text-transform: uppercase;
}

.tools-cost-breakdown {
    display: grid;
    gap: 1px;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    background: var(--line);
    margin-top: 30px;
}

.tools-cost-card {
    background: var(--paper);
    padding: 24px;
}

.tools-cost-card strong {
    display: block;
    font-size: clamp(24px, 3vw, 38px);
    font-weight: 500;
    letter-spacing: -.05em;
    margin-top: 10px;
}

.tools-cost-card p {
    color: var(--muted);
    font-size: 13px;
    margin: 8px 0 0;
}

@media (max-width: 767px) {
    .tools-form-grid,
    .tools-calculator-grid,
    .tools-sim-list,
    .tools-cost-breakdown {
        grid-template-columns: 1fr;
    }

    .tools-form-footer,
    .tools-result-footer,
    .tools-sim-footer {
        align-items: flex-start;
        flex-direction: column;
    }

    /* A left/right split gets cramped well before phone width, so on
       mobile the two panes stack full-width instead of sharing a
       divided stage — Before on top, After underneath. */
    .tools-compare-stage {
        display: flex;
        flex-direction: column;
        min-height: 0;
    }

    .tools-compare-pane {
        position: relative;
        inset: auto;
        width: 100%;
        padding: 26px 20px;
    }

    .tools-compare-pane-before {
        border-right: 0;
        border-bottom: 1px solid var(--accent);
        order: 1;
    }

    .tools-compare-pane-after {
        padding-left: 20px;
        order: 2;
    }

    .tools-compare-divider {
        display: none;
    }

    .tools-compare-pane h3 {
        font-size: 24px;
    }

    .tools-compare-step {
        font-size: 14px;
        gap: 7px;
        grid-template-columns: 22px 1fr;
    }

    .tools-compare-step span {
        font-size: 13px;
    }
}