/* AI for GTM: page-specific layout and the three small demos */
.gtm { --k-num: #2f6fc2; --k-sort: #2f8a5b; --k-gen: #c2512f; --k-you: rgb(102, 102, 102); }
.gtm-band { background: var(--tint-sand); }
.gtm-narrow { max-width: 760px; }
.gtm-kicker { margin: 0 0 0.5rem; font-size: 0.78rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--color-muted); }
.gtm-h2 { margin: 0 0 1rem; font-family: var(--font-display); font-weight: 400; font-size: clamp(1.7rem, 3.4vw, 2.5rem); line-height: 1.12; letter-spacing: -0.01em; }
.gtm-p { margin: 0 0 1rem; max-width: 34rem; color: var(--color-muted); font-size: 1.05rem; }
.gtm-note { font-size: 0.92rem; }
.gtm-split { display: grid; gap: 2rem; }
@media (min-width: 900px) {
  .gtm-split { grid-template-columns: 1fr 1fr; gap: 4rem; align-items: start; }
  .gtm-split--wide .gtm-demo { position: sticky; top: calc(var(--header-height) + 1.5rem); }
}

.gtm-tokens { list-style: none; margin: 0; padding: 0; }
.gtm-toggle button { font: inherit; cursor: pointer; border-radius: var(--radius-pill); border: 1px solid var(--color-border-strong); background: var(--color-bg); color: var(--color-text); padding: 0.55rem 0.95rem; min-height: 44px; }


.gtm-cards { display: grid; gap: 1rem; margin-top: 1.5rem; }
@media (min-width: 760px) { .gtm-cards { grid-template-columns: repeat(3, 1fr); } }
.gtm-card { display: flex; flex-direction: column; gap: 0.5rem; padding: 1.5rem; border-radius: var(--radius-lg); background: var(--tint); color: inherit; text-decoration: none; }
.gtm-card__n { font-size: 0.8rem; font-weight: 600; color: var(--color-muted); }
.gtm-card__t { font-family: var(--font-display); font-size: 1.45rem; line-height: 1.15; }
.gtm-card__d { color: var(--color-muted); }


.gtm-toggle { display: inline-flex; flex-wrap: wrap; gap: 0.3rem; padding: 0.3rem; border-radius: 1.7rem; background: var(--color-surface); margin-bottom: 1rem; }
.gtm-toggle button { border-color: transparent; background: transparent; }
.gtm-toggle button[aria-selected="true"] { background: var(--color-primary-bg); color: var(--color-primary-text); }

.gtm-demo { padding: 1.25rem; border-radius: var(--radius-lg); background: var(--color-bg); border: 1px solid var(--color-border-strong); }
.gtm-band .gtm-demo { border-color: transparent; }
.gtm-slider { display: block; margin: 0 0 1rem; color: var(--color-muted); font-size: 0.95rem; }
.gtm-slider strong { color: var(--color-text); }
.gtm-slider input { display: block; width: 100%; margin-top: 0.4rem; accent-color: var(--color-accent); min-height: 32px; }
.gtm-chart { display: block; width: 100%; height: auto; }
.gtm-chart text { font-family: var(--font-sans); font-size: 10px; fill: var(--color-muted); }
.gtm-chart .axis { stroke: var(--color-border-strong); stroke-width: 1; }
.gtm-chart .dot { fill: rgba(22, 22, 22, 0.28); }
.gtm-chart .dot--won { fill: var(--k-sort); }
.gtm-chart .line { stroke: var(--k-num); stroke-width: 2; fill: none; }
.gtm-chart .cut { stroke: var(--k-sort); stroke-width: 1.5; stroke-dasharray: 4 4; }
.gtm-chart .you { fill: var(--color-accent); }
.gtm-chart .bar { fill: var(--color-accent-soft); }
.gtm-chart .bar--top { fill: var(--color-accent); }
.gtm-chart .bar-label { font-size: 11px; fill: var(--color-text); }
.gtm-chart .edge { stroke: rgba(22, 22, 22, 0.16); stroke-width: 0.7; }
.gtm-chart .node { fill: var(--color-bg); stroke: var(--color-text); stroke-width: 1.4; }
.gtm-map-a circle { fill: var(--k-num); }
.gtm-map-b circle { fill: var(--k-sort); }
.gtm-chart--map text { font-size: 11px; fill: var(--color-text); }
.gtm-answer { margin: 0.8rem 0 0; font-family: var(--font-display); font-size: 1.25rem; line-height: 1.3; }

.gtm-field input { width: 100%; font: inherit; padding: 0.8rem 1rem; border-radius: var(--radius-sm); border: 1px solid var(--color-border-strong); background: var(--color-bg); color: var(--color-text); margin-bottom: 1rem; }
.gtm-tokens { display: flex; flex-wrap: wrap; gap: 0.35rem; }
.gtm-tokens li { display: flex; flex-direction: column; align-items: center; padding: 0.35rem 0.55rem; border-radius: var(--radius-sm); background: var(--tint-peach); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.9rem; }
.gtm-tokens li:nth-child(3n+2) { background: var(--tint-blue); }
.gtm-tokens li:nth-child(3n) { background: var(--tint-green); }
.gtm-tokens small { color: var(--color-muted); font-size: 0.7rem; }

/* Articles: head, sticky demo, body. Phone order is head, demo, body. */
.gtm-art { display: grid; gap: 1.75rem; }
.gtm-art__head, .gtm-art__body { min-width: 0; }
@media (min-width: 900px) {
  .gtm-art { grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr); column-gap: 4rem; row-gap: 1.5rem; align-items: start; }
  .gtm-art__head { grid-column: 1; grid-row: 1; }
  .gtm-art__body { grid-column: 1; grid-row: 2; }
  .gtm-art > .gtm-demo { grid-column: 2; grid-row: 1 / span 2; position: sticky; top: calc(var(--header-height) + 1.5rem); }
}
.gtm-take { margin: 0; max-width: 34rem; font-size: 1.2rem; line-height: 1.45; color: var(--color-text); }
.gtm-art__body { max-width: 34rem; }
.gtm-art__body p { margin: 0 0 1rem; font-size: 1.05rem; line-height: 1.65; }
.gtm-art__body h3 { display: flex; align-items: baseline; gap: 0.7rem; margin: 2rem 0 0.6rem; font-family: var(--font-display); font-weight: 400; font-size: 1.4rem; line-height: 1.2; }
.gtm-art__body h3 span { font-family: var(--font-sans); font-size: 0.8rem; font-weight: 600; color: var(--color-accent); }
.gtm-pull { margin: 1.75rem 0; padding: 0 0 0 1.1rem; border-left: 3px solid var(--color-accent); font-family: var(--font-display); font-size: 1.5rem; line-height: 1.25; }
.gtm-art .gtm-demo .gtm-note { margin: 0.6rem 0 0; }